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root = true
[*]
indent_style = tab
indent_size = 4

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# Setup a Global .gitignore for OS and editor generated files:
# https://help.github.com/articles/ignoring-files
# git config --global core.excludesfile ~/.gitignore_global
.vagrant
*.sublime-project

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sudo: false
language: go
go:
- 1.8.x
- 1.9.x
- tip
matrix:
allow_failures:
- go: tip
fast_finish: true
before_script:
- go get -u github.com/golang/lint/golint
script:
- go test -v --race ./...
after_script:
- test -z "$(gofmt -s -l -w . | tee /dev/stderr)"
- test -z "$(golint ./... | tee /dev/stderr)"
- go vet ./...
os:
- linux
- osx
notifications:
email: false

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# Names should be added to this file as
# Name or Organization <email address>
# The email address is not required for organizations.
# You can update this list using the following command:
#
# $ git shortlog -se | awk '{print $2 " " $3 " " $4}'
# Please keep the list sorted.
Aaron L <aaron@bettercoder.net>
Adrien Bustany <adrien@bustany.org>
Amit Krishnan <amit.krishnan@oracle.com>
Anmol Sethi <me@anmol.io>
Bjørn Erik Pedersen <bjorn.erik.pedersen@gmail.com>
Bruno Bigras <bigras.bruno@gmail.com>
Caleb Spare <cespare@gmail.com>
Case Nelson <case@teammating.com>
Chris Howey <chris@howey.me> <howeyc@gmail.com>
Christoffer Buchholz <christoffer.buchholz@gmail.com>
Daniel Wagner-Hall <dawagner@gmail.com>
Dave Cheney <dave@cheney.net>
Evan Phoenix <evan@fallingsnow.net>
Francisco Souza <f@souza.cc>
Hari haran <hariharan.uno@gmail.com>
John C Barstow
Kelvin Fo <vmirage@gmail.com>
Ken-ichirou MATSUZAWA <chamas@h4.dion.ne.jp>
Matt Layher <mdlayher@gmail.com>
Nathan Youngman <git@nathany.com>
Nickolai Zeldovich <nickolai@csail.mit.edu>
Patrick <patrick@dropbox.com>
Paul Hammond <paul@paulhammond.org>
Pawel Knap <pawelknap88@gmail.com>
Pieter Droogendijk <pieter@binky.org.uk>
Pursuit92 <JoshChase@techpursuit.net>
Riku Voipio <riku.voipio@linaro.org>
Rob Figueiredo <robfig@gmail.com>
Rodrigo Chiossi <rodrigochiossi@gmail.com>
Slawek Ligus <root@ooz.ie>
Soge Zhang <zhssoge@gmail.com>
Tiffany Jernigan <tiffany.jernigan@intel.com>
Tilak Sharma <tilaks@google.com>
Tom Payne <twpayne@gmail.com>
Travis Cline <travis.cline@gmail.com>
Tudor Golubenco <tudor.g@gmail.com>
Vahe Khachikyan <vahe@live.ca>
Yukang <moorekang@gmail.com>
bronze1man <bronze1man@gmail.com>
debrando <denis.brandolini@gmail.com>
henrikedwards <henrik.edwards@gmail.com>
铁哥 <guotie.9@gmail.com>

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# Changelog
## v1.4.7 / 2018-01-09
* BSD/macOS: Fix possible deadlock on closing the watcher on kqueue (thanks @nhooyr and @glycerine)
* Tests: Fix missing verb on format string (thanks @rchiossi)
* Linux: Fix deadlock in Remove (thanks @aarondl)
* Linux: Watch.Add improvements (avoid race, fix consistency, reduce garbage) (thanks @twpayne)
* Docs: Moved FAQ into the README (thanks @vahe)
* Linux: Properly handle inotify's IN_Q_OVERFLOW event (thanks @zeldovich)
* Docs: replace references to OS X with macOS
## v1.4.2 / 2016-10-10
* Linux: use InotifyInit1 with IN_CLOEXEC to stop leaking a file descriptor to a child process when using fork/exec [#178](https://github.com/fsnotify/fsnotify/pull/178) (thanks @pattyshack)
## v1.4.1 / 2016-10-04
* Fix flaky inotify stress test on Linux [#177](https://github.com/fsnotify/fsnotify/pull/177) (thanks @pattyshack)
## v1.4.0 / 2016-10-01
* add a String() method to Event.Op [#165](https://github.com/fsnotify/fsnotify/pull/165) (thanks @oozie)
## v1.3.1 / 2016-06-28
* Windows: fix for double backslash when watching the root of a drive [#151](https://github.com/fsnotify/fsnotify/issues/151) (thanks @brunoqc)
## v1.3.0 / 2016-04-19
* Support linux/arm64 by [patching](https://go-review.googlesource.com/#/c/21971/) x/sys/unix and switching to to it from syscall (thanks @suihkulokki) [#135](https://github.com/fsnotify/fsnotify/pull/135)
## v1.2.10 / 2016-03-02
* Fix golint errors in windows.go [#121](https://github.com/fsnotify/fsnotify/pull/121) (thanks @tiffanyfj)
## v1.2.9 / 2016-01-13
kqueue: Fix logic for CREATE after REMOVE [#111](https://github.com/fsnotify/fsnotify/pull/111) (thanks @bep)
## v1.2.8 / 2015-12-17
* kqueue: fix race condition in Close [#105](https://github.com/fsnotify/fsnotify/pull/105) (thanks @djui for reporting the issue and @ppknap for writing a failing test)
* inotify: fix race in test
* enable race detection for continuous integration (Linux, Mac, Windows)
## v1.2.5 / 2015-10-17
* inotify: use epoll_create1 for arm64 support (requires Linux 2.6.27 or later) [#100](https://github.com/fsnotify/fsnotify/pull/100) (thanks @suihkulokki)
* inotify: fix path leaks [#73](https://github.com/fsnotify/fsnotify/pull/73) (thanks @chamaken)
* kqueue: watch for rename events on subdirectories [#83](https://github.com/fsnotify/fsnotify/pull/83) (thanks @guotie)
* kqueue: avoid infinite loops from symlinks cycles [#101](https://github.com/fsnotify/fsnotify/pull/101) (thanks @illicitonion)
## v1.2.1 / 2015-10-14
* kqueue: don't watch named pipes [#98](https://github.com/fsnotify/fsnotify/pull/98) (thanks @evanphx)
## v1.2.0 / 2015-02-08
* inotify: use epoll to wake up readEvents [#66](https://github.com/fsnotify/fsnotify/pull/66) (thanks @PieterD)
* inotify: closing watcher should now always shut down goroutine [#63](https://github.com/fsnotify/fsnotify/pull/63) (thanks @PieterD)
* kqueue: close kqueue after removing watches, fixes [#59](https://github.com/fsnotify/fsnotify/issues/59)
## v1.1.1 / 2015-02-05
* inotify: Retry read on EINTR [#61](https://github.com/fsnotify/fsnotify/issues/61) (thanks @PieterD)
## v1.1.0 / 2014-12-12
* kqueue: rework internals [#43](https://github.com/fsnotify/fsnotify/pull/43)
* add low-level functions
* only need to store flags on directories
* less mutexes [#13](https://github.com/fsnotify/fsnotify/issues/13)
* done can be an unbuffered channel
* remove calls to os.NewSyscallError
* More efficient string concatenation for Event.String() [#52](https://github.com/fsnotify/fsnotify/pull/52) (thanks @mdlayher)
* kqueue: fix regression in rework causing subdirectories to be watched [#48](https://github.com/fsnotify/fsnotify/issues/48)
* kqueue: cleanup internal watch before sending remove event [#51](https://github.com/fsnotify/fsnotify/issues/51)
## v1.0.4 / 2014-09-07
* kqueue: add dragonfly to the build tags.
* Rename source code files, rearrange code so exported APIs are at the top.
* Add done channel to example code. [#37](https://github.com/fsnotify/fsnotify/pull/37) (thanks @chenyukang)
## v1.0.3 / 2014-08-19
* [Fix] Windows MOVED_TO now translates to Create like on BSD and Linux. [#36](https://github.com/fsnotify/fsnotify/issues/36)
## v1.0.2 / 2014-08-17
* [Fix] Missing create events on macOS. [#14](https://github.com/fsnotify/fsnotify/issues/14) (thanks @zhsso)
* [Fix] Make ./path and path equivalent. (thanks @zhsso)
## v1.0.0 / 2014-08-15
* [API] Remove AddWatch on Windows, use Add.
* Improve documentation for exported identifiers. [#30](https://github.com/fsnotify/fsnotify/issues/30)
* Minor updates based on feedback from golint.
## dev / 2014-07-09
* Moved to [github.com/fsnotify/fsnotify](https://github.com/fsnotify/fsnotify).
* Use os.NewSyscallError instead of returning errno (thanks @hariharan-uno)
## dev / 2014-07-04
* kqueue: fix incorrect mutex used in Close()
* Update example to demonstrate usage of Op.
## dev / 2014-06-28
* [API] Don't set the Write Op for attribute notifications [#4](https://github.com/fsnotify/fsnotify/issues/4)
* Fix for String() method on Event (thanks Alex Brainman)
* Don't build on Plan 9 or Solaris (thanks @4ad)
## dev / 2014-06-21
* Events channel of type Event rather than *Event.
* [internal] use syscall constants directly for inotify and kqueue.
* [internal] kqueue: rename events to kevents and fileEvent to event.
## dev / 2014-06-19
* Go 1.3+ required on Windows (uses syscall.ERROR_MORE_DATA internally).
* [internal] remove cookie from Event struct (unused).
* [internal] Event struct has the same definition across every OS.
* [internal] remove internal watch and removeWatch methods.
## dev / 2014-06-12
* [API] Renamed Watch() to Add() and RemoveWatch() to Remove().
* [API] Pluralized channel names: Events and Errors.
* [API] Renamed FileEvent struct to Event.
* [API] Op constants replace methods like IsCreate().
## dev / 2014-06-12
* Fix data race on kevent buffer (thanks @tilaks) [#98](https://github.com/howeyc/fsnotify/pull/98)
## dev / 2014-05-23
* [API] Remove current implementation of WatchFlags.
* current implementation doesn't take advantage of OS for efficiency
* provides little benefit over filtering events as they are received, but has extra bookkeeping and mutexes
* no tests for the current implementation
* not fully implemented on Windows [#93](https://github.com/howeyc/fsnotify/issues/93#issuecomment-39285195)
## v0.9.3 / 2014-12-31
* kqueue: cleanup internal watch before sending remove event [#51](https://github.com/fsnotify/fsnotify/issues/51)
## v0.9.2 / 2014-08-17
* [Backport] Fix missing create events on macOS. [#14](https://github.com/fsnotify/fsnotify/issues/14) (thanks @zhsso)
## v0.9.1 / 2014-06-12
* Fix data race on kevent buffer (thanks @tilaks) [#98](https://github.com/howeyc/fsnotify/pull/98)
## v0.9.0 / 2014-01-17
* IsAttrib() for events that only concern a file's metadata [#79][] (thanks @abustany)
* [Fix] kqueue: fix deadlock [#77][] (thanks @cespare)
* [NOTICE] Development has moved to `code.google.com/p/go.exp/fsnotify` in preparation for inclusion in the Go standard library.
## v0.8.12 / 2013-11-13
* [API] Remove FD_SET and friends from Linux adapter
## v0.8.11 / 2013-11-02
* [Doc] Add Changelog [#72][] (thanks @nathany)
* [Doc] Spotlight and double modify events on macOS [#62][] (reported by @paulhammond)
## v0.8.10 / 2013-10-19
* [Fix] kqueue: remove file watches when parent directory is removed [#71][] (reported by @mdwhatcott)
* [Fix] kqueue: race between Close and readEvents [#70][] (reported by @bernerdschaefer)
* [Doc] specify OS-specific limits in README (thanks @debrando)
## v0.8.9 / 2013-09-08
* [Doc] Contributing (thanks @nathany)
* [Doc] update package path in example code [#63][] (thanks @paulhammond)
* [Doc] GoCI badge in README (Linux only) [#60][]
* [Doc] Cross-platform testing with Vagrant [#59][] (thanks @nathany)
## v0.8.8 / 2013-06-17
* [Fix] Windows: handle `ERROR_MORE_DATA` on Windows [#49][] (thanks @jbowtie)
## v0.8.7 / 2013-06-03
* [API] Make syscall flags internal
* [Fix] inotify: ignore event changes
* [Fix] race in symlink test [#45][] (reported by @srid)
* [Fix] tests on Windows
* lower case error messages
## v0.8.6 / 2013-05-23
* kqueue: Use EVT_ONLY flag on Darwin
* [Doc] Update README with full example
## v0.8.5 / 2013-05-09
* [Fix] inotify: allow monitoring of "broken" symlinks (thanks @tsg)
## v0.8.4 / 2013-04-07
* [Fix] kqueue: watch all file events [#40][] (thanks @ChrisBuchholz)
## v0.8.3 / 2013-03-13
* [Fix] inoitfy/kqueue memory leak [#36][] (reported by @nbkolchin)
* [Fix] kqueue: use fsnFlags for watching a directory [#33][] (reported by @nbkolchin)
## v0.8.2 / 2013-02-07
* [Doc] add Authors
* [Fix] fix data races for map access [#29][] (thanks @fsouza)
## v0.8.1 / 2013-01-09
* [Fix] Windows path separators
* [Doc] BSD License
## v0.8.0 / 2012-11-09
* kqueue: directory watching improvements (thanks @vmirage)
* inotify: add `IN_MOVED_TO` [#25][] (requested by @cpisto)
* [Fix] kqueue: deleting watched directory [#24][] (reported by @jakerr)
## v0.7.4 / 2012-10-09
* [Fix] inotify: fixes from https://codereview.appspot.com/5418045/ (ugorji)
* [Fix] kqueue: preserve watch flags when watching for delete [#21][] (reported by @robfig)
* [Fix] kqueue: watch the directory even if it isn't a new watch (thanks @robfig)
* [Fix] kqueue: modify after recreation of file
## v0.7.3 / 2012-09-27
* [Fix] kqueue: watch with an existing folder inside the watched folder (thanks @vmirage)
* [Fix] kqueue: no longer get duplicate CREATE events
## v0.7.2 / 2012-09-01
* kqueue: events for created directories
## v0.7.1 / 2012-07-14
* [Fix] for renaming files
## v0.7.0 / 2012-07-02
* [Feature] FSNotify flags
* [Fix] inotify: Added file name back to event path
## v0.6.0 / 2012-06-06
* kqueue: watch files after directory created (thanks @tmc)
## v0.5.1 / 2012-05-22
* [Fix] inotify: remove all watches before Close()
## v0.5.0 / 2012-05-03
* [API] kqueue: return errors during watch instead of sending over channel
* kqueue: match symlink behavior on Linux
* inotify: add `DELETE_SELF` (requested by @taralx)
* [Fix] kqueue: handle EINTR (reported by @robfig)
* [Doc] Godoc example [#1][] (thanks @davecheney)
## v0.4.0 / 2012-03-30
* Go 1 released: build with go tool
* [Feature] Windows support using winfsnotify
* Windows does not have attribute change notifications
* Roll attribute notifications into IsModify
## v0.3.0 / 2012-02-19
* kqueue: add files when watch directory
## v0.2.0 / 2011-12-30
* update to latest Go weekly code
## v0.1.0 / 2011-10-19
* kqueue: add watch on file creation to match inotify
* kqueue: create file event
* inotify: ignore `IN_IGNORED` events
* event String()
* linux: common FileEvent functions
* initial commit
[#79]: https://github.com/howeyc/fsnotify/pull/79
[#77]: https://github.com/howeyc/fsnotify/pull/77
[#72]: https://github.com/howeyc/fsnotify/issues/72
[#71]: https://github.com/howeyc/fsnotify/issues/71
[#70]: https://github.com/howeyc/fsnotify/issues/70
[#63]: https://github.com/howeyc/fsnotify/issues/63
[#62]: https://github.com/howeyc/fsnotify/issues/62
[#60]: https://github.com/howeyc/fsnotify/issues/60
[#59]: https://github.com/howeyc/fsnotify/issues/59
[#49]: https://github.com/howeyc/fsnotify/issues/49
[#45]: https://github.com/howeyc/fsnotify/issues/45
[#40]: https://github.com/howeyc/fsnotify/issues/40
[#36]: https://github.com/howeyc/fsnotify/issues/36
[#33]: https://github.com/howeyc/fsnotify/issues/33
[#29]: https://github.com/howeyc/fsnotify/issues/29
[#25]: https://github.com/howeyc/fsnotify/issues/25
[#24]: https://github.com/howeyc/fsnotify/issues/24
[#21]: https://github.com/howeyc/fsnotify/issues/21

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# Contributing
## Issues
* Request features and report bugs using the [GitHub Issue Tracker](https://github.com/fsnotify/fsnotify/issues).
* Please indicate the platform you are using fsnotify on.
* A code example to reproduce the problem is appreciated.
## Pull Requests
### Contributor License Agreement
fsnotify is derived from code in the [golang.org/x/exp](https://godoc.org/golang.org/x/exp) package and it may be included [in the standard library](https://github.com/fsnotify/fsnotify/issues/1) in the future. Therefore fsnotify carries the same [LICENSE](https://github.com/fsnotify/fsnotify/blob/master/LICENSE) as Go. Contributors retain their copyright, so you need to fill out a short form before we can accept your contribution: [Google Individual Contributor License Agreement](https://developers.google.com/open-source/cla/individual).
Please indicate that you have signed the CLA in your pull request.
### How fsnotify is Developed
* Development is done on feature branches.
* Tests are run on BSD, Linux, macOS and Windows.
* Pull requests are reviewed and [applied to master][am] using [hub][].
* Maintainers may modify or squash commits rather than asking contributors to.
* To issue a new release, the maintainers will:
* Update the CHANGELOG
* Tag a version, which will become available through gopkg.in.
### How to Fork
For smooth sailing, always use the original import path. Installing with `go get` makes this easy.
1. Install from GitHub (`go get -u github.com/fsnotify/fsnotify`)
2. Create your feature branch (`git checkout -b my-new-feature`)
3. Ensure everything works and the tests pass (see below)
4. Commit your changes (`git commit -am 'Add some feature'`)
Contribute upstream:
1. Fork fsnotify on GitHub
2. Add your remote (`git remote add fork git@github.com:mycompany/repo.git`)
3. Push to the branch (`git push fork my-new-feature`)
4. Create a new Pull Request on GitHub
This workflow is [thoroughly explained by Katrina Owen](https://splice.com/blog/contributing-open-source-git-repositories-go/).
### Testing
fsnotify uses build tags to compile different code on Linux, BSD, macOS, and Windows.
Before doing a pull request, please do your best to test your changes on multiple platforms, and list which platforms you were able/unable to test on.
To aid in cross-platform testing there is a Vagrantfile for Linux and BSD.
* Install [Vagrant](http://www.vagrantup.com/) and [VirtualBox](https://www.virtualbox.org/)
* Setup [Vagrant Gopher](https://github.com/nathany/vagrant-gopher) in your `src` folder.
* Run `vagrant up` from the project folder. You can also setup just one box with `vagrant up linux` or `vagrant up bsd` (note: the BSD box doesn't support Windows hosts at this time, and NFS may prompt for your host OS password)
* Once setup, you can run the test suite on a given OS with a single command `vagrant ssh linux -c 'cd fsnotify/fsnotify; go test'`.
* When you're done, you will want to halt or destroy the Vagrant boxes.
Notice: fsnotify file system events won't trigger in shared folders. The tests get around this limitation by using the /tmp directory.
Right now there is no equivalent solution for Windows and macOS, but there are Windows VMs [freely available from Microsoft](http://www.modern.ie/en-us/virtualization-tools#downloads).
### Maintainers
Help maintaining fsnotify is welcome. To be a maintainer:
* Submit a pull request and sign the CLA as above.
* You must be able to run the test suite on Mac, Windows, Linux and BSD.
To keep master clean, the fsnotify project uses the "apply mail" workflow outlined in Nathaniel Talbott's post ["Merge pull request" Considered Harmful][am]. This requires installing [hub][].
All code changes should be internal pull requests.
Releases are tagged using [Semantic Versioning](http://semver.org/).
[hub]: https://github.com/github/hub
[am]: http://blog.spreedly.com/2014/06/24/merge-pull-request-considered-harmful/#.VGa5yZPF_Zs

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Copyright (c) 2012 The Go Authors. All rights reserved.
Copyright (c) 2012 fsnotify Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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# File system notifications for Go
[![GoDoc](https://godoc.org/github.com/fsnotify/fsnotify?status.svg)](https://godoc.org/github.com/fsnotify/fsnotify) [![Go Report Card](https://goreportcard.com/badge/github.com/fsnotify/fsnotify)](https://goreportcard.com/report/github.com/fsnotify/fsnotify)
fsnotify utilizes [golang.org/x/sys](https://godoc.org/golang.org/x/sys) rather than `syscall` from the standard library. Ensure you have the latest version installed by running:
```console
go get -u golang.org/x/sys/...
```
Cross platform: Windows, Linux, BSD and macOS.
|Adapter |OS |Status |
|----------|----------|----------|
|inotify |Linux 2.6.27 or later, Android\*|Supported [![Build Status](https://travis-ci.org/fsnotify/fsnotify.svg?branch=master)](https://travis-ci.org/fsnotify/fsnotify)|
|kqueue |BSD, macOS, iOS\*|Supported [![Build Status](https://travis-ci.org/fsnotify/fsnotify.svg?branch=master)](https://travis-ci.org/fsnotify/fsnotify)|
|ReadDirectoryChangesW|Windows|Supported [![Build status](https://ci.appveyor.com/api/projects/status/ivwjubaih4r0udeh/branch/master?svg=true)](https://ci.appveyor.com/project/NathanYoungman/fsnotify/branch/master)|
|FSEvents |macOS |[Planned](https://github.com/fsnotify/fsnotify/issues/11)|
|FEN |Solaris 11 |[In Progress](https://github.com/fsnotify/fsnotify/issues/12)|
|fanotify |Linux 2.6.37+ | |
|USN Journals |Windows |[Maybe](https://github.com/fsnotify/fsnotify/issues/53)|
|Polling |*All* |[Maybe](https://github.com/fsnotify/fsnotify/issues/9)|
\* Android and iOS are untested.
Please see [the documentation](https://godoc.org/github.com/fsnotify/fsnotify) and consult the [FAQ](#faq) for usage information.
## API stability
fsnotify is a fork of [howeyc/fsnotify](https://godoc.org/github.com/howeyc/fsnotify) with a new API as of v1.0. The API is based on [this design document](http://goo.gl/MrYxyA).
All [releases](https://github.com/fsnotify/fsnotify/releases) are tagged based on [Semantic Versioning](http://semver.org/). Further API changes are [planned](https://github.com/fsnotify/fsnotify/milestones), and will be tagged with a new major revision number.
Go 1.6 supports dependencies located in the `vendor/` folder. Unless you are creating a library, it is recommended that you copy fsnotify into `vendor/github.com/fsnotify/fsnotify` within your project, and likewise for `golang.org/x/sys`.
## Contributing
Please refer to [CONTRIBUTING][] before opening an issue or pull request.
## Example
See [example_test.go](https://github.com/fsnotify/fsnotify/blob/master/example_test.go).
## FAQ
**When a file is moved to another directory is it still being watched?**
No (it shouldn't be, unless you are watching where it was moved to).
**When I watch a directory, are all subdirectories watched as well?**
No, you must add watches for any directory you want to watch (a recursive watcher is on the roadmap [#18][]).
**Do I have to watch the Error and Event channels in a separate goroutine?**
As of now, yes. Looking into making this single-thread friendly (see [howeyc #7][#7])
**Why am I receiving multiple events for the same file on OS X?**
Spotlight indexing on OS X can result in multiple events (see [howeyc #62][#62]). A temporary workaround is to add your folder(s) to the *Spotlight Privacy settings* until we have a native FSEvents implementation (see [#11][]).
**How many files can be watched at once?**
There are OS-specific limits as to how many watches can be created:
* Linux: /proc/sys/fs/inotify/max_user_watches contains the limit, reaching this limit results in a "no space left on device" error.
* BSD / OSX: sysctl variables "kern.maxfiles" and "kern.maxfilesperproc", reaching these limits results in a "too many open files" error.
[#62]: https://github.com/howeyc/fsnotify/issues/62
[#18]: https://github.com/fsnotify/fsnotify/issues/18
[#11]: https://github.com/fsnotify/fsnotify/issues/11
[#7]: https://github.com/howeyc/fsnotify/issues/7
[contributing]: https://github.com/fsnotify/fsnotify/blob/master/CONTRIBUTING.md
## Related Projects
* [notify](https://github.com/rjeczalik/notify)
* [fsevents](https://github.com/fsnotify/fsevents)

37
vendor/github.com/fsnotify/fsnotify/fen.go generated vendored
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@ -1,37 +0,0 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build solaris
package fsnotify
import (
"errors"
)
// Watcher watches a set of files, delivering events to a channel.
type Watcher struct {
Events chan Event
Errors chan error
}
// NewWatcher establishes a new watcher with the underlying OS and begins waiting for events.
func NewWatcher() (*Watcher, error) {
return nil, errors.New("FEN based watcher not yet supported for fsnotify\n")
}
// Close removes all watches and closes the events channel.
func (w *Watcher) Close() error {
return nil
}
// Add starts watching the named file or directory (non-recursively).
func (w *Watcher) Add(name string) error {
return nil
}
// Remove stops watching the the named file or directory (non-recursively).
func (w *Watcher) Remove(name string) error {
return nil
}

66
vendor/github.com/fsnotify/fsnotify/fsnotify.go generated vendored
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@ -1,66 +0,0 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !plan9
// Package fsnotify provides a platform-independent interface for file system notifications.
package fsnotify
import (
"bytes"
"errors"
"fmt"
)
// Event represents a single file system notification.
type Event struct {
Name string // Relative path to the file or directory.
Op Op // File operation that triggered the event.
}
// Op describes a set of file operations.
type Op uint32
// These are the generalized file operations that can trigger a notification.
const (
Create Op = 1 << iota
Write
Remove
Rename
Chmod
)
func (op Op) String() string {
// Use a buffer for efficient string concatenation
var buffer bytes.Buffer
if op&Create == Create {
buffer.WriteString("|CREATE")
}
if op&Remove == Remove {
buffer.WriteString("|REMOVE")
}
if op&Write == Write {
buffer.WriteString("|WRITE")
}
if op&Rename == Rename {
buffer.WriteString("|RENAME")
}
if op&Chmod == Chmod {
buffer.WriteString("|CHMOD")
}
if buffer.Len() == 0 {
return ""
}
return buffer.String()[1:] // Strip leading pipe
}
// String returns a string representation of the event in the form
// "file: REMOVE|WRITE|..."
func (e Event) String() string {
return fmt.Sprintf("%q: %s", e.Name, e.Op.String())
}
// Common errors that can be reported by a watcher
var ErrEventOverflow = errors.New("fsnotify queue overflow")

337
vendor/github.com/fsnotify/fsnotify/inotify.go generated vendored
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@ -1,337 +0,0 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build linux
package fsnotify
import (
"errors"
"fmt"
"io"
"os"
"path/filepath"
"strings"
"sync"
"unsafe"
"golang.org/x/sys/unix"
)
// Watcher watches a set of files, delivering events to a channel.
type Watcher struct {
Events chan Event
Errors chan error
mu sync.Mutex // Map access
fd int
poller *fdPoller
watches map[string]*watch // Map of inotify watches (key: path)
paths map[int]string // Map of watched paths (key: watch descriptor)
done chan struct{} // Channel for sending a "quit message" to the reader goroutine
doneResp chan struct{} // Channel to respond to Close
}
// NewWatcher establishes a new watcher with the underlying OS and begins waiting for events.
func NewWatcher() (*Watcher, error) {
// Create inotify fd
fd, errno := unix.InotifyInit1(unix.IN_CLOEXEC)
if fd == -1 {
return nil, errno
}
// Create epoll
poller, err := newFdPoller(fd)
if err != nil {
unix.Close(fd)
return nil, err
}
w := &Watcher{
fd: fd,
poller: poller,
watches: make(map[string]*watch),
paths: make(map[int]string),
Events: make(chan Event),
Errors: make(chan error),
done: make(chan struct{}),
doneResp: make(chan struct{}),
}
go w.readEvents()
return w, nil
}
func (w *Watcher) isClosed() bool {
select {
case <-w.done:
return true
default:
return false
}
}
// Close removes all watches and closes the events channel.
func (w *Watcher) Close() error {
if w.isClosed() {
return nil
}
// Send 'close' signal to goroutine, and set the Watcher to closed.
close(w.done)
// Wake up goroutine
w.poller.wake()
// Wait for goroutine to close
<-w.doneResp
return nil
}
// Add starts watching the named file or directory (non-recursively).
func (w *Watcher) Add(name string) error {
name = filepath.Clean(name)
if w.isClosed() {
return errors.New("inotify instance already closed")
}
const agnosticEvents = unix.IN_MOVED_TO | unix.IN_MOVED_FROM |
unix.IN_CREATE | unix.IN_ATTRIB | unix.IN_MODIFY |
unix.IN_MOVE_SELF | unix.IN_DELETE | unix.IN_DELETE_SELF
var flags uint32 = agnosticEvents
w.mu.Lock()
defer w.mu.Unlock()
watchEntry := w.watches[name]
if watchEntry != nil {
flags |= watchEntry.flags | unix.IN_MASK_ADD
}
wd, errno := unix.InotifyAddWatch(w.fd, name, flags)
if wd == -1 {
return errno
}
if watchEntry == nil {
w.watches[name] = &watch{wd: uint32(wd), flags: flags}
w.paths[wd] = name
} else {
watchEntry.wd = uint32(wd)
watchEntry.flags = flags
}
return nil
}
// Remove stops watching the named file or directory (non-recursively).
func (w *Watcher) Remove(name string) error {
name = filepath.Clean(name)
// Fetch the watch.
w.mu.Lock()
defer w.mu.Unlock()
watch, ok := w.watches[name]
// Remove it from inotify.
if !ok {
return fmt.Errorf("can't remove non-existent inotify watch for: %s", name)
}
// We successfully removed the watch if InotifyRmWatch doesn't return an
// error, we need to clean up our internal state to ensure it matches
// inotify's kernel state.
delete(w.paths, int(watch.wd))
delete(w.watches, name)
// inotify_rm_watch will return EINVAL if the file has been deleted;
// the inotify will already have been removed.
// watches and pathes are deleted in ignoreLinux() implicitly and asynchronously
// by calling inotify_rm_watch() below. e.g. readEvents() goroutine receives IN_IGNORE
// so that EINVAL means that the wd is being rm_watch()ed or its file removed
// by another thread and we have not received IN_IGNORE event.
success, errno := unix.InotifyRmWatch(w.fd, watch.wd)
if success == -1 {
// TODO: Perhaps it's not helpful to return an error here in every case.
// the only two possible errors are:
// EBADF, which happens when w.fd is not a valid file descriptor of any kind.
// EINVAL, which is when fd is not an inotify descriptor or wd is not a valid watch descriptor.
// Watch descriptors are invalidated when they are removed explicitly or implicitly;
// explicitly by inotify_rm_watch, implicitly when the file they are watching is deleted.
return errno
}
return nil
}
type watch struct {
wd uint32 // Watch descriptor (as returned by the inotify_add_watch() syscall)
flags uint32 // inotify flags of this watch (see inotify(7) for the list of valid flags)
}
// readEvents reads from the inotify file descriptor, converts the
// received events into Event objects and sends them via the Events channel
func (w *Watcher) readEvents() {
var (
buf [unix.SizeofInotifyEvent * 4096]byte // Buffer for a maximum of 4096 raw events
n int // Number of bytes read with read()
errno error // Syscall errno
ok bool // For poller.wait
)
defer close(w.doneResp)
defer close(w.Errors)
defer close(w.Events)
defer unix.Close(w.fd)
defer w.poller.close()
for {
// See if we have been closed.
if w.isClosed() {
return
}
ok, errno = w.poller.wait()
if errno != nil {
select {
case w.Errors <- errno:
case <-w.done:
return
}
continue
}
if !ok {
continue
}
n, errno = unix.Read(w.fd, buf[:])
// If a signal interrupted execution, see if we've been asked to close, and try again.
// http://man7.org/linux/man-pages/man7/signal.7.html :
// "Before Linux 3.8, reads from an inotify(7) file descriptor were not restartable"
if errno == unix.EINTR {
continue
}
// unix.Read might have been woken up by Close. If so, we're done.
if w.isClosed() {
return
}
if n < unix.SizeofInotifyEvent {
var err error
if n == 0 {
// If EOF is received. This should really never happen.
err = io.EOF
} else if n < 0 {
// If an error occurred while reading.
err = errno
} else {
// Read was too short.
err = errors.New("notify: short read in readEvents()")
}
select {
case w.Errors <- err:
case <-w.done:
return
}
continue
}
var offset uint32
// We don't know how many events we just read into the buffer
// While the offset points to at least one whole event...
for offset <= uint32(n-unix.SizeofInotifyEvent) {
// Point "raw" to the event in the buffer
raw := (*unix.InotifyEvent)(unsafe.Pointer(&buf[offset]))
mask := uint32(raw.Mask)
nameLen := uint32(raw.Len)
if mask&unix.IN_Q_OVERFLOW != 0 {
select {
case w.Errors <- ErrEventOverflow:
case <-w.done:
return
}
}
// If the event happened to the watched directory or the watched file, the kernel
// doesn't append the filename to the event, but we would like to always fill the
// the "Name" field with a valid filename. We retrieve the path of the watch from
// the "paths" map.
w.mu.Lock()
name, ok := w.paths[int(raw.Wd)]
// IN_DELETE_SELF occurs when the file/directory being watched is removed.
// This is a sign to clean up the maps, otherwise we are no longer in sync
// with the inotify kernel state which has already deleted the watch
// automatically.
if ok && mask&unix.IN_DELETE_SELF == unix.IN_DELETE_SELF {
delete(w.paths, int(raw.Wd))
delete(w.watches, name)
}
w.mu.Unlock()
if nameLen > 0 {
// Point "bytes" at the first byte of the filename
bytes := (*[unix.PathMax]byte)(unsafe.Pointer(&buf[offset+unix.SizeofInotifyEvent]))
// The filename is padded with NULL bytes. TrimRight() gets rid of those.
name += "/" + strings.TrimRight(string(bytes[0:nameLen]), "\000")
}
event := newEvent(name, mask)
// Send the events that are not ignored on the events channel
if !event.ignoreLinux(mask) {
select {
case w.Events <- event:
case <-w.done:
return
}
}
// Move to the next event in the buffer
offset += unix.SizeofInotifyEvent + nameLen
}
}
}
// Certain types of events can be "ignored" and not sent over the Events
// channel. Such as events marked ignore by the kernel, or MODIFY events
// against files that do not exist.
func (e *Event) ignoreLinux(mask uint32) bool {
// Ignore anything the inotify API says to ignore
if mask&unix.IN_IGNORED == unix.IN_IGNORED {
return true
}
// If the event is not a DELETE or RENAME, the file must exist.
// Otherwise the event is ignored.
// *Note*: this was put in place because it was seen that a MODIFY
// event was sent after the DELETE. This ignores that MODIFY and
// assumes a DELETE will come or has come if the file doesn't exist.
if !(e.Op&Remove == Remove || e.Op&Rename == Rename) {
_, statErr := os.Lstat(e.Name)
return os.IsNotExist(statErr)
}
return false
}
// newEvent returns an platform-independent Event based on an inotify mask.
func newEvent(name string, mask uint32) Event {
e := Event{Name: name}
if mask&unix.IN_CREATE == unix.IN_CREATE || mask&unix.IN_MOVED_TO == unix.IN_MOVED_TO {
e.Op |= Create
}
if mask&unix.IN_DELETE_SELF == unix.IN_DELETE_SELF || mask&unix.IN_DELETE == unix.IN_DELETE {
e.Op |= Remove
}
if mask&unix.IN_MODIFY == unix.IN_MODIFY {
e.Op |= Write
}
if mask&unix.IN_MOVE_SELF == unix.IN_MOVE_SELF || mask&unix.IN_MOVED_FROM == unix.IN_MOVED_FROM {
e.Op |= Rename
}
if mask&unix.IN_ATTRIB == unix.IN_ATTRIB {
e.Op |= Chmod
}
return e
}

187
vendor/github.com/fsnotify/fsnotify/inotify_poller.go generated vendored
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@ -1,187 +0,0 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build linux
package fsnotify
import (
"errors"
"golang.org/x/sys/unix"
)
type fdPoller struct {
fd int // File descriptor (as returned by the inotify_init() syscall)
epfd int // Epoll file descriptor
pipe [2]int // Pipe for waking up
}
func emptyPoller(fd int) *fdPoller {
poller := new(fdPoller)
poller.fd = fd
poller.epfd = -1
poller.pipe[0] = -1
poller.pipe[1] = -1
return poller
}
// Create a new inotify poller.
// This creates an inotify handler, and an epoll handler.
func newFdPoller(fd int) (*fdPoller, error) {
var errno error
poller := emptyPoller(fd)
defer func() {
if errno != nil {
poller.close()
}
}()
poller.fd = fd
// Create epoll fd
poller.epfd, errno = unix.EpollCreate1(0)
if poller.epfd == -1 {
return nil, errno
}
// Create pipe; pipe[0] is the read end, pipe[1] the write end.
errno = unix.Pipe2(poller.pipe[:], unix.O_NONBLOCK)
if errno != nil {
return nil, errno
}
// Register inotify fd with epoll
event := unix.EpollEvent{
Fd: int32(poller.fd),
Events: unix.EPOLLIN,
}
errno = unix.EpollCtl(poller.epfd, unix.EPOLL_CTL_ADD, poller.fd, &event)
if errno != nil {
return nil, errno
}
// Register pipe fd with epoll
event = unix.EpollEvent{
Fd: int32(poller.pipe[0]),
Events: unix.EPOLLIN,
}
errno = unix.EpollCtl(poller.epfd, unix.EPOLL_CTL_ADD, poller.pipe[0], &event)
if errno != nil {
return nil, errno
}
return poller, nil
}
// Wait using epoll.
// Returns true if something is ready to be read,
// false if there is not.
func (poller *fdPoller) wait() (bool, error) {
// 3 possible events per fd, and 2 fds, makes a maximum of 6 events.
// I don't know whether epoll_wait returns the number of events returned,
// or the total number of events ready.
// I decided to catch both by making the buffer one larger than the maximum.
events := make([]unix.EpollEvent, 7)
for {
n, errno := unix.EpollWait(poller.epfd, events, -1)
if n == -1 {
if errno == unix.EINTR {
continue
}
return false, errno
}
if n == 0 {
// If there are no events, try again.
continue
}
if n > 6 {
// This should never happen. More events were returned than should be possible.
return false, errors.New("epoll_wait returned more events than I know what to do with")
}
ready := events[:n]
epollhup := false
epollerr := false
epollin := false
for _, event := range ready {
if event.Fd == int32(poller.fd) {
if event.Events&unix.EPOLLHUP != 0 {
// This should not happen, but if it does, treat it as a wakeup.
epollhup = true
}
if event.Events&unix.EPOLLERR != 0 {
// If an error is waiting on the file descriptor, we should pretend
// something is ready to read, and let unix.Read pick up the error.
epollerr = true
}
if event.Events&unix.EPOLLIN != 0 {
// There is data to read.
epollin = true
}
}
if event.Fd == int32(poller.pipe[0]) {
if event.Events&unix.EPOLLHUP != 0 {
// Write pipe descriptor was closed, by us. This means we're closing down the
// watcher, and we should wake up.
}
if event.Events&unix.EPOLLERR != 0 {
// If an error is waiting on the pipe file descriptor.
// This is an absolute mystery, and should never ever happen.
return false, errors.New("Error on the pipe descriptor.")
}
if event.Events&unix.EPOLLIN != 0 {
// This is a regular wakeup, so we have to clear the buffer.
err := poller.clearWake()
if err != nil {
return false, err
}
}
}
}
if epollhup || epollerr || epollin {
return true, nil
}
return false, nil
}
}
// Close the write end of the poller.
func (poller *fdPoller) wake() error {
buf := make([]byte, 1)
n, errno := unix.Write(poller.pipe[1], buf)
if n == -1 {
if errno == unix.EAGAIN {
// Buffer is full, poller will wake.
return nil
}
return errno
}
return nil
}
func (poller *fdPoller) clearWake() error {
// You have to be woken up a LOT in order to get to 100!
buf := make([]byte, 100)
n, errno := unix.Read(poller.pipe[0], buf)
if n == -1 {
if errno == unix.EAGAIN {
// Buffer is empty, someone else cleared our wake.
return nil
}
return errno
}
return nil
}
// Close all poller file descriptors, but not the one passed to it.
func (poller *fdPoller) close() {
if poller.pipe[1] != -1 {
unix.Close(poller.pipe[1])
}
if poller.pipe[0] != -1 {
unix.Close(poller.pipe[0])
}
if poller.epfd != -1 {
unix.Close(poller.epfd)
}
}

521
vendor/github.com/fsnotify/fsnotify/kqueue.go generated vendored
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@ -1,521 +0,0 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build freebsd openbsd netbsd dragonfly darwin
package fsnotify
import (
"errors"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"sync"
"time"
"golang.org/x/sys/unix"
)
// Watcher watches a set of files, delivering events to a channel.
type Watcher struct {
Events chan Event
Errors chan error
done chan struct{} // Channel for sending a "quit message" to the reader goroutine
kq int // File descriptor (as returned by the kqueue() syscall).
mu sync.Mutex // Protects access to watcher data
watches map[string]int // Map of watched file descriptors (key: path).
externalWatches map[string]bool // Map of watches added by user of the library.
dirFlags map[string]uint32 // Map of watched directories to fflags used in kqueue.
paths map[int]pathInfo // Map file descriptors to path names for processing kqueue events.
fileExists map[string]bool // Keep track of if we know this file exists (to stop duplicate create events).
isClosed bool // Set to true when Close() is first called
}
type pathInfo struct {
name string
isDir bool
}
// NewWatcher establishes a new watcher with the underlying OS and begins waiting for events.
func NewWatcher() (*Watcher, error) {
kq, err := kqueue()
if err != nil {
return nil, err
}
w := &Watcher{
kq: kq,
watches: make(map[string]int),
dirFlags: make(map[string]uint32),
paths: make(map[int]pathInfo),
fileExists: make(map[string]bool),
externalWatches: make(map[string]bool),
Events: make(chan Event),
Errors: make(chan error),
done: make(chan struct{}),
}
go w.readEvents()
return w, nil
}
// Close removes all watches and closes the events channel.
func (w *Watcher) Close() error {
w.mu.Lock()
if w.isClosed {
w.mu.Unlock()
return nil
}
w.isClosed = true
// copy paths to remove while locked
var pathsToRemove = make([]string, 0, len(w.watches))
for name := range w.watches {
pathsToRemove = append(pathsToRemove, name)
}
w.mu.Unlock()
// unlock before calling Remove, which also locks
for _, name := range pathsToRemove {
w.Remove(name)
}
// send a "quit" message to the reader goroutine
close(w.done)
return nil
}
// Add starts watching the named file or directory (non-recursively).
func (w *Watcher) Add(name string) error {
w.mu.Lock()
w.externalWatches[name] = true
w.mu.Unlock()
_, err := w.addWatch(name, noteAllEvents)
return err
}
// Remove stops watching the the named file or directory (non-recursively).
func (w *Watcher) Remove(name string) error {
name = filepath.Clean(name)
w.mu.Lock()
watchfd, ok := w.watches[name]
w.mu.Unlock()
if !ok {
return fmt.Errorf("can't remove non-existent kevent watch for: %s", name)
}
const registerRemove = unix.EV_DELETE
if err := register(w.kq, []int{watchfd}, registerRemove, 0); err != nil {
return err
}
unix.Close(watchfd)
w.mu.Lock()
isDir := w.paths[watchfd].isDir
delete(w.watches, name)
delete(w.paths, watchfd)
delete(w.dirFlags, name)
w.mu.Unlock()
// Find all watched paths that are in this directory that are not external.
if isDir {
var pathsToRemove []string
w.mu.Lock()
for _, path := range w.paths {
wdir, _ := filepath.Split(path.name)
if filepath.Clean(wdir) == name {
if !w.externalWatches[path.name] {
pathsToRemove = append(pathsToRemove, path.name)
}
}
}
w.mu.Unlock()
for _, name := range pathsToRemove {
// Since these are internal, not much sense in propagating error
// to the user, as that will just confuse them with an error about
// a path they did not explicitly watch themselves.
w.Remove(name)
}
}
return nil
}
// Watch all events (except NOTE_EXTEND, NOTE_LINK, NOTE_REVOKE)
const noteAllEvents = unix.NOTE_DELETE | unix.NOTE_WRITE | unix.NOTE_ATTRIB | unix.NOTE_RENAME
// keventWaitTime to block on each read from kevent
var keventWaitTime = durationToTimespec(100 * time.Millisecond)
// addWatch adds name to the watched file set.
// The flags are interpreted as described in kevent(2).
// Returns the real path to the file which was added, if any, which may be different from the one passed in the case of symlinks.
func (w *Watcher) addWatch(name string, flags uint32) (string, error) {
var isDir bool
// Make ./name and name equivalent
name = filepath.Clean(name)
w.mu.Lock()
if w.isClosed {
w.mu.Unlock()
return "", errors.New("kevent instance already closed")
}
watchfd, alreadyWatching := w.watches[name]
// We already have a watch, but we can still override flags.
if alreadyWatching {
isDir = w.paths[watchfd].isDir
}
w.mu.Unlock()
if !alreadyWatching {
fi, err := os.Lstat(name)
if err != nil {
return "", err
}
// Don't watch sockets.
if fi.Mode()&os.ModeSocket == os.ModeSocket {
return "", nil
}
// Don't watch named pipes.
if fi.Mode()&os.ModeNamedPipe == os.ModeNamedPipe {
return "", nil
}
// Follow Symlinks
// Unfortunately, Linux can add bogus symlinks to watch list without
// issue, and Windows can't do symlinks period (AFAIK). To maintain
// consistency, we will act like everything is fine. There will simply
// be no file events for broken symlinks.
// Hence the returns of nil on errors.
if fi.Mode()&os.ModeSymlink == os.ModeSymlink {
name, err = filepath.EvalSymlinks(name)
if err != nil {
return "", nil
}
w.mu.Lock()
_, alreadyWatching = w.watches[name]
w.mu.Unlock()
if alreadyWatching {
return name, nil
}
fi, err = os.Lstat(name)
if err != nil {
return "", nil
}
}
watchfd, err = unix.Open(name, openMode, 0700)
if watchfd == -1 {
return "", err
}
isDir = fi.IsDir()
}
const registerAdd = unix.EV_ADD | unix.EV_CLEAR | unix.EV_ENABLE
if err := register(w.kq, []int{watchfd}, registerAdd, flags); err != nil {
unix.Close(watchfd)
return "", err
}
if !alreadyWatching {
w.mu.Lock()
w.watches[name] = watchfd
w.paths[watchfd] = pathInfo{name: name, isDir: isDir}
w.mu.Unlock()
}
if isDir {
// Watch the directory if it has not been watched before,
// or if it was watched before, but perhaps only a NOTE_DELETE (watchDirectoryFiles)
w.mu.Lock()
watchDir := (flags&unix.NOTE_WRITE) == unix.NOTE_WRITE &&
(!alreadyWatching || (w.dirFlags[name]&unix.NOTE_WRITE) != unix.NOTE_WRITE)
// Store flags so this watch can be updated later
w.dirFlags[name] = flags
w.mu.Unlock()
if watchDir {
if err := w.watchDirectoryFiles(name); err != nil {
return "", err
}
}
}
return name, nil
}
// readEvents reads from kqueue and converts the received kevents into
// Event values that it sends down the Events channel.
func (w *Watcher) readEvents() {
eventBuffer := make([]unix.Kevent_t, 10)
loop:
for {
// See if there is a message on the "done" channel
select {
case <-w.done:
break loop
default:
}
// Get new events
kevents, err := read(w.kq, eventBuffer, &keventWaitTime)
// EINTR is okay, the syscall was interrupted before timeout expired.
if err != nil && err != unix.EINTR {
select {
case w.Errors <- err:
case <-w.done:
break loop
}
continue
}
// Flush the events we received to the Events channel
for len(kevents) > 0 {
kevent := &kevents[0]
watchfd := int(kevent.Ident)
mask := uint32(kevent.Fflags)
w.mu.Lock()
path := w.paths[watchfd]
w.mu.Unlock()
event := newEvent(path.name, mask)
if path.isDir && !(event.Op&Remove == Remove) {
// Double check to make sure the directory exists. This can happen when
// we do a rm -fr on a recursively watched folders and we receive a
// modification event first but the folder has been deleted and later
// receive the delete event
if _, err := os.Lstat(event.Name); os.IsNotExist(err) {
// mark is as delete event
event.Op |= Remove
}
}
if event.Op&Rename == Rename || event.Op&Remove == Remove {
w.Remove(event.Name)
w.mu.Lock()
delete(w.fileExists, event.Name)
w.mu.Unlock()
}
if path.isDir && event.Op&Write == Write && !(event.Op&Remove == Remove) {
w.sendDirectoryChangeEvents(event.Name)
} else {
// Send the event on the Events channel.
select {
case w.Events <- event:
case <-w.done:
break loop
}
}
if event.Op&Remove == Remove {
// Look for a file that may have overwritten this.
// For example, mv f1 f2 will delete f2, then create f2.
if path.isDir {
fileDir := filepath.Clean(event.Name)
w.mu.Lock()
_, found := w.watches[fileDir]
w.mu.Unlock()
if found {
// make sure the directory exists before we watch for changes. When we
// do a recursive watch and perform rm -fr, the parent directory might
// have gone missing, ignore the missing directory and let the
// upcoming delete event remove the watch from the parent directory.
if _, err := os.Lstat(fileDir); err == nil {
w.sendDirectoryChangeEvents(fileDir)
}
}
} else {
filePath := filepath.Clean(event.Name)
if fileInfo, err := os.Lstat(filePath); err == nil {
w.sendFileCreatedEventIfNew(filePath, fileInfo)
}
}
}
// Move to next event
kevents = kevents[1:]
}
}
// cleanup
err := unix.Close(w.kq)
if err != nil {
// only way the previous loop breaks is if w.done was closed so we need to async send to w.Errors.
select {
case w.Errors <- err:
default:
}
}
close(w.Events)
close(w.Errors)
}
// newEvent returns an platform-independent Event based on kqueue Fflags.
func newEvent(name string, mask uint32) Event {
e := Event{Name: name}
if mask&unix.NOTE_DELETE == unix.NOTE_DELETE {
e.Op |= Remove
}
if mask&unix.NOTE_WRITE == unix.NOTE_WRITE {
e.Op |= Write
}
if mask&unix.NOTE_RENAME == unix.NOTE_RENAME {
e.Op |= Rename
}
if mask&unix.NOTE_ATTRIB == unix.NOTE_ATTRIB {
e.Op |= Chmod
}
return e
}
func newCreateEvent(name string) Event {
return Event{Name: name, Op: Create}
}
// watchDirectoryFiles to mimic inotify when adding a watch on a directory
func (w *Watcher) watchDirectoryFiles(dirPath string) error {
// Get all files
files, err := ioutil.ReadDir(dirPath)
if err != nil {
return err
}
for _, fileInfo := range files {
filePath := filepath.Join(dirPath, fileInfo.Name())
filePath, err = w.internalWatch(filePath, fileInfo)
if err != nil {
return err
}
w.mu.Lock()
w.fileExists[filePath] = true
w.mu.Unlock()
}
return nil
}
// sendDirectoryEvents searches the directory for newly created files
// and sends them over the event channel. This functionality is to have
// the BSD version of fsnotify match Linux inotify which provides a
// create event for files created in a watched directory.
func (w *Watcher) sendDirectoryChangeEvents(dirPath string) {
// Get all files
files, err := ioutil.ReadDir(dirPath)
if err != nil {
select {
case w.Errors <- err:
case <-w.done:
return
}
}
// Search for new files
for _, fileInfo := range files {
filePath := filepath.Join(dirPath, fileInfo.Name())
err := w.sendFileCreatedEventIfNew(filePath, fileInfo)
if err != nil {
return
}
}
}
// sendFileCreatedEvent sends a create event if the file isn't already being tracked.
func (w *Watcher) sendFileCreatedEventIfNew(filePath string, fileInfo os.FileInfo) (err error) {
w.mu.Lock()
_, doesExist := w.fileExists[filePath]
w.mu.Unlock()
if !doesExist {
// Send create event
select {
case w.Events <- newCreateEvent(filePath):
case <-w.done:
return
}
}
// like watchDirectoryFiles (but without doing another ReadDir)
filePath, err = w.internalWatch(filePath, fileInfo)
if err != nil {
return err
}
w.mu.Lock()
w.fileExists[filePath] = true
w.mu.Unlock()
return nil
}
func (w *Watcher) internalWatch(name string, fileInfo os.FileInfo) (string, error) {
if fileInfo.IsDir() {
// mimic Linux providing delete events for subdirectories
// but preserve the flags used if currently watching subdirectory
w.mu.Lock()
flags := w.dirFlags[name]
w.mu.Unlock()
flags |= unix.NOTE_DELETE | unix.NOTE_RENAME
return w.addWatch(name, flags)
}
// watch file to mimic Linux inotify
return w.addWatch(name, noteAllEvents)
}
// kqueue creates a new kernel event queue and returns a descriptor.
func kqueue() (kq int, err error) {
kq, err = unix.Kqueue()
if kq == -1 {
return kq, err
}
return kq, nil
}
// register events with the queue
func register(kq int, fds []int, flags int, fflags uint32) error {
changes := make([]unix.Kevent_t, len(fds))
for i, fd := range fds {
// SetKevent converts int to the platform-specific types:
unix.SetKevent(&changes[i], fd, unix.EVFILT_VNODE, flags)
changes[i].Fflags = fflags
}
// register the events
success, err := unix.Kevent(kq, changes, nil, nil)
if success == -1 {
return err
}
return nil
}
// read retrieves pending events, or waits until an event occurs.
// A timeout of nil blocks indefinitely, while 0 polls the queue.
func read(kq int, events []unix.Kevent_t, timeout *unix.Timespec) ([]unix.Kevent_t, error) {
n, err := unix.Kevent(kq, nil, events, timeout)
if err != nil {
return nil, err
}
return events[0:n], nil
}
// durationToTimespec prepares a timeout value
func durationToTimespec(d time.Duration) unix.Timespec {
return unix.NsecToTimespec(d.Nanoseconds())
}

11
vendor/github.com/fsnotify/fsnotify/open_mode_bsd.go generated vendored
View File

@ -1,11 +0,0 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build freebsd openbsd netbsd dragonfly
package fsnotify
import "golang.org/x/sys/unix"
const openMode = unix.O_NONBLOCK | unix.O_RDONLY

12
vendor/github.com/fsnotify/fsnotify/open_mode_darwin.go generated vendored
View File

@ -1,12 +0,0 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin
package fsnotify
import "golang.org/x/sys/unix"
// note: this constant is not defined on BSD
const openMode = unix.O_EVTONLY

561
vendor/github.com/fsnotify/fsnotify/windows.go generated vendored
View File

@ -1,561 +0,0 @@
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build windows
package fsnotify
import (
"errors"
"fmt"
"os"
"path/filepath"
"runtime"
"sync"
"syscall"
"unsafe"
)
// Watcher watches a set of files, delivering events to a channel.
type Watcher struct {
Events chan Event
Errors chan error
isClosed bool // Set to true when Close() is first called
mu sync.Mutex // Map access
port syscall.Handle // Handle to completion port
watches watchMap // Map of watches (key: i-number)
input chan *input // Inputs to the reader are sent on this channel
quit chan chan<- error
}
// NewWatcher establishes a new watcher with the underlying OS and begins waiting for events.
func NewWatcher() (*Watcher, error) {
port, e := syscall.CreateIoCompletionPort(syscall.InvalidHandle, 0, 0, 0)
if e != nil {
return nil, os.NewSyscallError("CreateIoCompletionPort", e)
}
w := &Watcher{
port: port,
watches: make(watchMap),
input: make(chan *input, 1),
Events: make(chan Event, 50),
Errors: make(chan error),
quit: make(chan chan<- error, 1),
}
go w.readEvents()
return w, nil
}
// Close removes all watches and closes the events channel.
func (w *Watcher) Close() error {
if w.isClosed {
return nil
}
w.isClosed = true
// Send "quit" message to the reader goroutine
ch := make(chan error)
w.quit <- ch
if err := w.wakeupReader(); err != nil {
return err
}
return <-ch
}
// Add starts watching the named file or directory (non-recursively).
func (w *Watcher) Add(name string) error {
if w.isClosed {
return errors.New("watcher already closed")
}
in := &input{
op: opAddWatch,
path: filepath.Clean(name),
flags: sysFSALLEVENTS,
reply: make(chan error),
}
w.input <- in
if err := w.wakeupReader(); err != nil {
return err
}
return <-in.reply
}
// Remove stops watching the the named file or directory (non-recursively).
func (w *Watcher) Remove(name string) error {
in := &input{
op: opRemoveWatch,
path: filepath.Clean(name),
reply: make(chan error),
}
w.input <- in
if err := w.wakeupReader(); err != nil {
return err
}
return <-in.reply
}
const (
// Options for AddWatch
sysFSONESHOT = 0x80000000
sysFSONLYDIR = 0x1000000
// Events
sysFSACCESS = 0x1
sysFSALLEVENTS = 0xfff
sysFSATTRIB = 0x4
sysFSCLOSE = 0x18
sysFSCREATE = 0x100
sysFSDELETE = 0x200
sysFSDELETESELF = 0x400
sysFSMODIFY = 0x2
sysFSMOVE = 0xc0
sysFSMOVEDFROM = 0x40
sysFSMOVEDTO = 0x80
sysFSMOVESELF = 0x800
// Special events
sysFSIGNORED = 0x8000
sysFSQOVERFLOW = 0x4000
)
func newEvent(name string, mask uint32) Event {
e := Event{Name: name}
if mask&sysFSCREATE == sysFSCREATE || mask&sysFSMOVEDTO == sysFSMOVEDTO {
e.Op |= Create
}
if mask&sysFSDELETE == sysFSDELETE || mask&sysFSDELETESELF == sysFSDELETESELF {
e.Op |= Remove
}
if mask&sysFSMODIFY == sysFSMODIFY {
e.Op |= Write
}
if mask&sysFSMOVE == sysFSMOVE || mask&sysFSMOVESELF == sysFSMOVESELF || mask&sysFSMOVEDFROM == sysFSMOVEDFROM {
e.Op |= Rename
}
if mask&sysFSATTRIB == sysFSATTRIB {
e.Op |= Chmod
}
return e
}
const (
opAddWatch = iota
opRemoveWatch
)
const (
provisional uint64 = 1 << (32 + iota)
)
type input struct {
op int
path string
flags uint32
reply chan error
}
type inode struct {
handle syscall.Handle
volume uint32
index uint64
}
type watch struct {
ov syscall.Overlapped
ino *inode // i-number
path string // Directory path
mask uint64 // Directory itself is being watched with these notify flags
names map[string]uint64 // Map of names being watched and their notify flags
rename string // Remembers the old name while renaming a file
buf [4096]byte
}
type indexMap map[uint64]*watch
type watchMap map[uint32]indexMap
func (w *Watcher) wakeupReader() error {
e := syscall.PostQueuedCompletionStatus(w.port, 0, 0, nil)
if e != nil {
return os.NewSyscallError("PostQueuedCompletionStatus", e)
}
return nil
}
func getDir(pathname string) (dir string, err error) {
attr, e := syscall.GetFileAttributes(syscall.StringToUTF16Ptr(pathname))
if e != nil {
return "", os.NewSyscallError("GetFileAttributes", e)
}
if attr&syscall.FILE_ATTRIBUTE_DIRECTORY != 0 {
dir = pathname
} else {
dir, _ = filepath.Split(pathname)
dir = filepath.Clean(dir)
}
return
}
func getIno(path string) (ino *inode, err error) {
h, e := syscall.CreateFile(syscall.StringToUTF16Ptr(path),
syscall.FILE_LIST_DIRECTORY,
syscall.FILE_SHARE_READ|syscall.FILE_SHARE_WRITE|syscall.FILE_SHARE_DELETE,
nil, syscall.OPEN_EXISTING,
syscall.FILE_FLAG_BACKUP_SEMANTICS|syscall.FILE_FLAG_OVERLAPPED, 0)
if e != nil {
return nil, os.NewSyscallError("CreateFile", e)
}
var fi syscall.ByHandleFileInformation
if e = syscall.GetFileInformationByHandle(h, &fi); e != nil {
syscall.CloseHandle(h)
return nil, os.NewSyscallError("GetFileInformationByHandle", e)
}
ino = &inode{
handle: h,
volume: fi.VolumeSerialNumber,
index: uint64(fi.FileIndexHigh)<<32 | uint64(fi.FileIndexLow),
}
return ino, nil
}
// Must run within the I/O thread.
func (m watchMap) get(ino *inode) *watch {
if i := m[ino.volume]; i != nil {
return i[ino.index]
}
return nil
}
// Must run within the I/O thread.
func (m watchMap) set(ino *inode, watch *watch) {
i := m[ino.volume]
if i == nil {
i = make(indexMap)
m[ino.volume] = i
}
i[ino.index] = watch
}
// Must run within the I/O thread.
func (w *Watcher) addWatch(pathname string, flags uint64) error {
dir, err := getDir(pathname)
if err != nil {
return err
}
if flags&sysFSONLYDIR != 0 && pathname != dir {
return nil
}
ino, err := getIno(dir)
if err != nil {
return err
}
w.mu.Lock()
watchEntry := w.watches.get(ino)
w.mu.Unlock()
if watchEntry == nil {
if _, e := syscall.CreateIoCompletionPort(ino.handle, w.port, 0, 0); e != nil {
syscall.CloseHandle(ino.handle)
return os.NewSyscallError("CreateIoCompletionPort", e)
}
watchEntry = &watch{
ino: ino,
path: dir,
names: make(map[string]uint64),
}
w.mu.Lock()
w.watches.set(ino, watchEntry)
w.mu.Unlock()
flags |= provisional
} else {
syscall.CloseHandle(ino.handle)
}
if pathname == dir {
watchEntry.mask |= flags
} else {
watchEntry.names[filepath.Base(pathname)] |= flags
}
if err = w.startRead(watchEntry); err != nil {
return err
}
if pathname == dir {
watchEntry.mask &= ^provisional
} else {
watchEntry.names[filepath.Base(pathname)] &= ^provisional
}
return nil
}
// Must run within the I/O thread.
func (w *Watcher) remWatch(pathname string) error {
dir, err := getDir(pathname)
if err != nil {
return err
}
ino, err := getIno(dir)
if err != nil {
return err
}
w.mu.Lock()
watch := w.watches.get(ino)
w.mu.Unlock()
if watch == nil {
return fmt.Errorf("can't remove non-existent watch for: %s", pathname)
}
if pathname == dir {
w.sendEvent(watch.path, watch.mask&sysFSIGNORED)
watch.mask = 0
} else {
name := filepath.Base(pathname)
w.sendEvent(filepath.Join(watch.path, name), watch.names[name]&sysFSIGNORED)
delete(watch.names, name)
}
return w.startRead(watch)
}
// Must run within the I/O thread.
func (w *Watcher) deleteWatch(watch *watch) {
for name, mask := range watch.names {
if mask&provisional == 0 {
w.sendEvent(filepath.Join(watch.path, name), mask&sysFSIGNORED)
}
delete(watch.names, name)
}
if watch.mask != 0 {
if watch.mask&provisional == 0 {
w.sendEvent(watch.path, watch.mask&sysFSIGNORED)
}
watch.mask = 0
}
}
// Must run within the I/O thread.
func (w *Watcher) startRead(watch *watch) error {
if e := syscall.CancelIo(watch.ino.handle); e != nil {
w.Errors <- os.NewSyscallError("CancelIo", e)
w.deleteWatch(watch)
}
mask := toWindowsFlags(watch.mask)
for _, m := range watch.names {
mask |= toWindowsFlags(m)
}
if mask == 0 {
if e := syscall.CloseHandle(watch.ino.handle); e != nil {
w.Errors <- os.NewSyscallError("CloseHandle", e)
}
w.mu.Lock()
delete(w.watches[watch.ino.volume], watch.ino.index)
w.mu.Unlock()
return nil
}
e := syscall.ReadDirectoryChanges(watch.ino.handle, &watch.buf[0],
uint32(unsafe.Sizeof(watch.buf)), false, mask, nil, &watch.ov, 0)
if e != nil {
err := os.NewSyscallError("ReadDirectoryChanges", e)
if e == syscall.ERROR_ACCESS_DENIED && watch.mask&provisional == 0 {
// Watched directory was probably removed
if w.sendEvent(watch.path, watch.mask&sysFSDELETESELF) {
if watch.mask&sysFSONESHOT != 0 {
watch.mask = 0
}
}
err = nil
}
w.deleteWatch(watch)
w.startRead(watch)
return err
}
return nil
}
// readEvents reads from the I/O completion port, converts the
// received events into Event objects and sends them via the Events channel.
// Entry point to the I/O thread.
func (w *Watcher) readEvents() {
var (
n, key uint32
ov *syscall.Overlapped
)
runtime.LockOSThread()
for {
e := syscall.GetQueuedCompletionStatus(w.port, &n, &key, &ov, syscall.INFINITE)
watch := (*watch)(unsafe.Pointer(ov))
if watch == nil {
select {
case ch := <-w.quit:
w.mu.Lock()
var indexes []indexMap
for _, index := range w.watches {
indexes = append(indexes, index)
}
w.mu.Unlock()
for _, index := range indexes {
for _, watch := range index {
w.deleteWatch(watch)
w.startRead(watch)
}
}
var err error
if e := syscall.CloseHandle(w.port); e != nil {
err = os.NewSyscallError("CloseHandle", e)
}
close(w.Events)
close(w.Errors)
ch <- err
return
case in := <-w.input:
switch in.op {
case opAddWatch:
in.reply <- w.addWatch(in.path, uint64(in.flags))
case opRemoveWatch:
in.reply <- w.remWatch(in.path)
}
default:
}
continue
}
switch e {
case syscall.ERROR_MORE_DATA:
if watch == nil {
w.Errors <- errors.New("ERROR_MORE_DATA has unexpectedly null lpOverlapped buffer")
} else {
// The i/o succeeded but the buffer is full.
// In theory we should be building up a full packet.
// In practice we can get away with just carrying on.
n = uint32(unsafe.Sizeof(watch.buf))
}
case syscall.ERROR_ACCESS_DENIED:
// Watched directory was probably removed
w.sendEvent(watch.path, watch.mask&sysFSDELETESELF)
w.deleteWatch(watch)
w.startRead(watch)
continue
case syscall.ERROR_OPERATION_ABORTED:
// CancelIo was called on this handle
continue
default:
w.Errors <- os.NewSyscallError("GetQueuedCompletionPort", e)
continue
case nil:
}
var offset uint32
for {
if n == 0 {
w.Events <- newEvent("", sysFSQOVERFLOW)
w.Errors <- errors.New("short read in readEvents()")
break
}
// Point "raw" to the event in the buffer
raw := (*syscall.FileNotifyInformation)(unsafe.Pointer(&watch.buf[offset]))
buf := (*[syscall.MAX_PATH]uint16)(unsafe.Pointer(&raw.FileName))
name := syscall.UTF16ToString(buf[:raw.FileNameLength/2])
fullname := filepath.Join(watch.path, name)
var mask uint64
switch raw.Action {
case syscall.FILE_ACTION_REMOVED:
mask = sysFSDELETESELF
case syscall.FILE_ACTION_MODIFIED:
mask = sysFSMODIFY
case syscall.FILE_ACTION_RENAMED_OLD_NAME:
watch.rename = name
case syscall.FILE_ACTION_RENAMED_NEW_NAME:
if watch.names[watch.rename] != 0 {
watch.names[name] |= watch.names[watch.rename]
delete(watch.names, watch.rename)
mask = sysFSMOVESELF
}
}
sendNameEvent := func() {
if w.sendEvent(fullname, watch.names[name]&mask) {
if watch.names[name]&sysFSONESHOT != 0 {
delete(watch.names, name)
}
}
}
if raw.Action != syscall.FILE_ACTION_RENAMED_NEW_NAME {
sendNameEvent()
}
if raw.Action == syscall.FILE_ACTION_REMOVED {
w.sendEvent(fullname, watch.names[name]&sysFSIGNORED)
delete(watch.names, name)
}
if w.sendEvent(fullname, watch.mask&toFSnotifyFlags(raw.Action)) {
if watch.mask&sysFSONESHOT != 0 {
watch.mask = 0
}
}
if raw.Action == syscall.FILE_ACTION_RENAMED_NEW_NAME {
fullname = filepath.Join(watch.path, watch.rename)
sendNameEvent()
}
// Move to the next event in the buffer
if raw.NextEntryOffset == 0 {
break
}
offset += raw.NextEntryOffset
// Error!
if offset >= n {
w.Errors <- errors.New("Windows system assumed buffer larger than it is, events have likely been missed.")
break
}
}
if err := w.startRead(watch); err != nil {
w.Errors <- err
}
}
}
func (w *Watcher) sendEvent(name string, mask uint64) bool {
if mask == 0 {
return false
}
event := newEvent(name, uint32(mask))
select {
case ch := <-w.quit:
w.quit <- ch
case w.Events <- event:
}
return true
}
func toWindowsFlags(mask uint64) uint32 {
var m uint32
if mask&sysFSACCESS != 0 {
m |= syscall.FILE_NOTIFY_CHANGE_LAST_ACCESS
}
if mask&sysFSMODIFY != 0 {
m |= syscall.FILE_NOTIFY_CHANGE_LAST_WRITE
}
if mask&sysFSATTRIB != 0 {
m |= syscall.FILE_NOTIFY_CHANGE_ATTRIBUTES
}
if mask&(sysFSMOVE|sysFSCREATE|sysFSDELETE) != 0 {
m |= syscall.FILE_NOTIFY_CHANGE_FILE_NAME | syscall.FILE_NOTIFY_CHANGE_DIR_NAME
}
return m
}
func toFSnotifyFlags(action uint32) uint64 {
switch action {
case syscall.FILE_ACTION_ADDED:
return sysFSCREATE
case syscall.FILE_ACTION_REMOVED:
return sysFSDELETE
case syscall.FILE_ACTION_MODIFIED:
return sysFSMODIFY
case syscall.FILE_ACTION_RENAMED_OLD_NAME:
return sysFSMOVEDFROM
case syscall.FILE_ACTION_RENAMED_NEW_NAME:
return sysFSMOVEDTO
}
return 0
}

2
vendor/github.com/go-acme/lego/v3/acme/api/api.go generated vendored
View File

@ -143,7 +143,7 @@ func (a *Core) signEABContent(newAccountURL, kid string, hmac []byte) ([]byte, e
return []byte(eabJWS.FullSerialize()), nil
}
// GetKeyAuthorization Gets the key authorization
// GetKeyAuthorization Gets the key authorization.
func (a *Core) GetKeyAuthorization(token string) (string, error) {
return a.jws.GetKeyAuthorization(token)
}

2
vendor/github.com/go-acme/lego/v3/acme/api/certificate.go generated vendored
View File

@ -77,7 +77,7 @@ func (c *CertificateService) get(certURL string) ([]byte, string, error) {
return cert, up, err
}
// getIssuerFromLink requests the issuer certificate
// getIssuerFromLink requests the issuer certificate.
func (c *CertificateService) getIssuerFromLink(up string) ([]byte, error) {
if len(up) == 0 {
return nil, nil

2
vendor/github.com/go-acme/lego/v3/acme/api/internal/nonces/nonce_manager.go generated vendored
View File

@ -46,7 +46,7 @@ func (n *Manager) Push(nonce string) {
n.nonces = append(n.nonces, nonce)
}
// Nonce implement jose.NonceSource
// Nonce implement jose.NonceSource.
func (n *Manager) Nonce() (string, error) {
if nonce, ok := n.Pop(); ok {
return nonce, nil

2
vendor/github.com/go-acme/lego/v3/acme/api/internal/sender/useragent.go generated vendored
View File

@ -5,7 +5,7 @@ package sender
const (
// ourUserAgent is the User-Agent of this underlying library package.
ourUserAgent = "xenolf-acme/3.6.0"
ourUserAgent = "xenolf-acme/3.7.0"
// ourUserAgentComment is part of the UA comment linked to the version status of this underlying library package.
// values: detach|release

6
vendor/github.com/go-acme/lego/v3/acme/api/service.go generated vendored
View File

@ -9,7 +9,7 @@ type service struct {
core *Core
}
// getLink get a rel into the Link header
// getLink get a rel into the Link header.
func getLink(header http.Header, rel string) string {
var linkExpr = regexp.MustCompile(`<(.+?)>;\s*rel="(.+?)"`)
@ -26,7 +26,7 @@ func getLink(header http.Header, rel string) string {
return ""
}
// getLocation get the value of the header Location
// getLocation get the value of the header Location.
func getLocation(resp *http.Response) string {
if resp == nil {
return ""
@ -35,7 +35,7 @@ func getLocation(resp *http.Response) string {
return resp.Header.Get("Location")
}
// getRetryAfter get the value of the header Retry-After
// getRetryAfter get the value of the header Retry-After.
func getRetryAfter(resp *http.Response) string {
if resp == nil {
return ""

2
vendor/github.com/go-acme/lego/v3/acme/errors.go generated vendored
View File

@ -4,7 +4,7 @@ import (
"fmt"
)
// Errors types
// Errors types.
const (
errNS = "urn:ietf:params:acme:error:"
BadNonceErr = errNS + "badNonce"

2
vendor/github.com/go-acme/lego/v3/certcrypto/crypto.go generated vendored
View File

@ -40,7 +40,7 @@ const (
OCSPServerFailed = ocsp.ServerFailed
)
// Constants for OCSP must staple
// Constants for OCSP must staple.
var (
tlsFeatureExtensionOID = asn1.ObjectIdentifier{1, 3, 6, 1, 5, 5, 7, 1, 24}
ocspMustStapleFeature = []byte{0x30, 0x03, 0x02, 0x01, 0x05}

2
vendor/github.com/go-acme/lego/v3/challenge/dns01/cname.go generated vendored
View File

@ -2,7 +2,7 @@ package dns01
import "github.com/miekg/dns"
// Update FQDN with CNAME if any
// Update FQDN with CNAME if any.
func updateDomainWithCName(r *dns.Msg, fqdn string) string {
for _, rr := range r.Answer {
if cn, ok := rr.(*dns.CNAME); ok {

4
vendor/github.com/go-acme/lego/v3/challenge/dns01/dns_challenge.go generated vendored
View File

@ -42,7 +42,7 @@ func CondOption(condition bool, opt ChallengeOption) ChallengeOption {
return opt
}
// Challenge implements the dns-01 challenge
// Challenge implements the dns-01 challenge.
type Challenge struct {
core *api.Core
validate ValidateFunc
@ -169,7 +169,7 @@ type sequential interface {
Sequential() time.Duration
}
// GetRecord returns a DNS record which will fulfill the `dns-01` challenge
// GetRecord returns a DNS record which will fulfill the `dns-01` challenge.
func GetRecord(domain, keyAuth string) (fqdn string, value string) {
keyAuthShaBytes := sha256.Sum256([]byte(keyAuth))
// base64URL encoding without padding

6
vendor/github.com/go-acme/lego/v3/challenge/dns01/dns_challenge_manual.go generated vendored
View File

@ -11,7 +11,7 @@ const (
dnsTemplate = `%s %d IN TXT "%s"`
)
// DNSProviderManual is an implementation of the ChallengeProvider interface
// DNSProviderManual is an implementation of the ChallengeProvider interface.
type DNSProviderManual struct{}
// NewDNSProviderManual returns a DNSProviderManual instance.
@ -19,7 +19,7 @@ func NewDNSProviderManual() (*DNSProviderManual, error) {
return &DNSProviderManual{}, nil
}
// Present prints instructions for manually creating the TXT record
// Present prints instructions for manually creating the TXT record.
func (*DNSProviderManual) Present(domain, token, keyAuth string) error {
fqdn, value := GetRecord(domain, keyAuth)
@ -37,7 +37,7 @@ func (*DNSProviderManual) Present(domain, token, keyAuth string) error {
return err
}
// CleanUp prints instructions for manually removing the TXT record
// CleanUp prints instructions for manually removing the TXT record.
func (*DNSProviderManual) CleanUp(domain, token, keyAuth string) error {
fqdn, _ := GetRecord(domain, keyAuth)

8
vendor/github.com/go-acme/lego/v3/challenge/dns01/nameserver.go generated vendored
View File

@ -26,10 +26,10 @@ var defaultNameservers = []string{
"google-public-dns-b.google.com:53",
}
// recursiveNameservers are used to pre-check DNS propagation
// recursiveNameservers are used to pre-check DNS propagation.
var recursiveNameservers = getNameservers(defaultResolvConf, defaultNameservers)
// soaCacheEntry holds a cached SOA record (only selected fields)
// soaCacheEntry holds a cached SOA record (only selected fields).
type soaCacheEntry struct {
zone string // zone apex (a domain name)
primaryNs string // primary nameserver for the zone apex
@ -70,7 +70,7 @@ func AddRecursiveNameservers(nameservers []string) ChallengeOption {
}
}
// getNameservers attempts to get systems nameservers before falling back to the defaults
// getNameservers attempts to get systems nameservers before falling back to the defaults.
func getNameservers(path string, defaults []string) []string {
config, err := dns.ClientConfigFromFile(path)
if err != nil || len(config.Servers) == 0 {
@ -215,7 +215,7 @@ func fetchSoaByFqdn(fqdn string, nameservers []string) (*soaCacheEntry, error) {
return nil, fmt.Errorf("could not find the start of authority for %s%s", fqdn, formatDNSError(in, err))
}
// dnsMsgContainsCNAME checks for a CNAME answer in msg
// dnsMsgContainsCNAME checks for a CNAME answer in msg.
func dnsMsgContainsCNAME(msg *dns.Msg) bool {
for _, ans := range msg.Answer {
if _, ok := ans.(*dns.CNAME); ok {

2
vendor/github.com/go-acme/lego/v3/challenge/http01/domain_matcher.go generated vendored
View File

@ -87,7 +87,7 @@ func (m *forwardedMatcher) matches(r *http.Request, domain string) bool {
return strings.HasPrefix(host, domain)
}
// parsing requires some form of state machine
// parsing requires some form of state machine.
func parseForwardedHeader(s string) (elements []map[string]string, err error) {
cur := make(map[string]string)
key := ""

2
vendor/github.com/go-acme/lego/v3/challenge/http01/http_challenge.go generated vendored
View File

@ -11,7 +11,7 @@ import (
type ValidateFunc func(core *api.Core, domain string, chlng acme.Challenge) error
// ChallengePath returns the URL path for the `http-01` challenge
// ChallengePath returns the URL path for the `http-01` challenge.
func ChallengePath(token string) string {
return "/.well-known/acme-challenge/" + token
}

8
vendor/github.com/go-acme/lego/v3/challenge/http01/http_challenge_server.go generated vendored
View File

@ -10,7 +10,7 @@ import (
"github.com/go-acme/lego/v3/log"
)
// ProviderServer implements ChallengeProvider for `http-01` challenge
// ProviderServer implements ChallengeProvider for `http-01` challenge.
// It may be instantiated without using the NewProviderServer function if
// you want only to use the default values.
type ProviderServer struct {
@ -49,7 +49,7 @@ func (s *ProviderServer) GetAddress() string {
return net.JoinHostPort(s.iface, s.port)
}
// CleanUp closes the HTTP server and removes the token from `ChallengePath(token)`
// CleanUp closes the HTTP server and removes the token from `ChallengePath(token)`.
func (s *ProviderServer) CleanUp(domain, token, keyAuth string) error {
if s.listener == nil {
return nil
@ -65,12 +65,12 @@ func (s *ProviderServer) CleanUp(domain, token, keyAuth string) error {
// When the server runs behind a proxy server, this is not the correct place to look at;
// Apache and NGINX have traditionally moved the original Host header into a new header named "X-Forwarded-Host".
// Other webservers might use different names;
// and RFC7239 has standadized a new header named "Forwarded" (with slightly different semantics).
// and RFC7239 has standardized a new header named "Forwarded" (with slightly different semantics).
//
// The exact behavior depends on the value of headerName:
// - "" (the empty string) and "Host" will restore the default and only check the Host header
// - "Forwarded" will look for a Forwarded header, and inspect it according to https://tools.ietf.org/html/rfc7239
// - any other value will check the header value with the same name
// - any other value will check the header value with the same name.
func (s *ProviderServer) SetProxyHeader(headerName string) {
switch h := textproto.CanonicalMIMEHeaderKey(headerName); h {
case "", "Host":

2
vendor/github.com/go-acme/lego/v3/challenge/resolver/prober.go generated vendored
View File

@ -29,7 +29,7 @@ type sequential interface {
Sequential() (bool, time.Duration)
}
// an authz with the solver we have chosen and the index of the challenge associated with it
// an authz with the solver we have chosen and the index of the challenge associated with it.
type selectedAuthSolver struct {
authz acme.Authorization
solver solver

6
vendor/github.com/go-acme/lego/v3/lego/client.go generated vendored
View File

@ -10,7 +10,7 @@ import (
"github.com/go-acme/lego/v3/registration"
)
// Client is the user-friendly way to ACME
// Client is the user-friendly way to ACME.
type Client struct {
Certificate *certificate.Certifier
Challenge *resolver.SolverManager
@ -63,12 +63,12 @@ func NewClient(config *Config) (*Client, error) {
}, nil
}
// GetToSURL returns the current ToS URL from the Directory
// GetToSURL returns the current ToS URL from the Directory.
func (c *Client) GetToSURL() string {
return c.core.GetDirectory().Meta.TermsOfService
}
// GetExternalAccountRequired returns the External Account Binding requirement of the Directory
// GetExternalAccountRequired returns the External Account Binding requirement of the Directory.
func (c *Client) GetExternalAccountRequired() bool {
return c.core.GetDirectory().Meta.ExternalAccountRequired
}

2
vendor/github.com/go-acme/lego/v3/lego/client_config.go generated vendored
View File

@ -61,7 +61,7 @@ type CertificateConfig struct {
// createDefaultHTTPClient Creates an HTTP client with a reasonable timeout value
// and potentially a custom *x509.CertPool
// based on the caCertificatesEnvVar environment variable (see the `initCertPool` function)
// based on the caCertificatesEnvVar environment variable (see the `initCertPool` function).
func createDefaultHTTPClient() *http.Client {
return &http.Client{
Transport: &http.Transport{

2
vendor/github.com/go-acme/lego/v3/platform/config/env/env.go generated vendored
View File

@ -12,7 +12,7 @@ import (
"github.com/go-acme/lego/v3/log"
)
// Get environment variables
// Get environment variables.
func Get(names ...string) (map[string]string, error) {
values := map[string]string{}

8
vendor/github.com/go-acme/lego/v3/providers/dns/duckdns/client.go generated vendored
View File

@ -47,10 +47,10 @@ func (d *DNSProvider) updateTxtRecord(domain, token, txt string, clear bool) err
return nil
}
// DuckDNS only lets you write to your subdomain
// so it must be in format subdomain.duckdns.org
// not in format subsubdomain.subdomain.duckdns.org
// so strip off everything that is not top 3 levels
// DuckDNS only lets you write to your subdomain.
// It must be in format subdomain.duckdns.org,
// not in format subsubdomain.subdomain.duckdns.org.
// So strip off everything that is not top 3 levels.
func getMainDomain(domain string) string {
domain = dns01.UnFqdn(domain)

8
vendor/github.com/go-acme/lego/v3/providers/dns/duckdns/duckdns.go generated vendored
View File

@ -24,7 +24,7 @@ const (
EnvSequenceInterval = envNamespace + "SEQUENCE_INTERVAL"
)
// Config is used to configure the creation of the DNSProvider
// Config is used to configure the creation of the DNSProvider.
type Config struct {
Token string
PropagationTimeout time.Duration
@ -33,7 +33,7 @@ type Config struct {
HTTPClient *http.Client
}
// NewDefaultConfig returns a default configuration for the DNSProvider
// NewDefaultConfig returns a default configuration for the DNSProvider.
func NewDefaultConfig() *Config {
return &Config{
PropagationTimeout: env.GetOrDefaultSecond(EnvPropagationTimeout, dns01.DefaultPropagationTimeout),
@ -45,7 +45,7 @@ func NewDefaultConfig() *Config {
}
}
// DNSProvider adds and removes the record for the DNS challenge
// DNSProvider implements the challenge.Provider interface.
type DNSProvider struct {
config *Config
}
@ -83,7 +83,7 @@ func (d *DNSProvider) Present(domain, token, keyAuth string) error {
return d.updateTxtRecord(domain, d.config.Token, txtRecord, false)
}
// CleanUp clears DuckDNS TXT record
// CleanUp clears DuckDNS TXT record.
func (d *DNSProvider) CleanUp(domain, token, keyAuth string) error {
return d.updateTxtRecord(domain, d.config.Token, "", true)
}

82
vendor/github.com/go-acme/lego/v3/providers/dns/godaddy/client.go generated vendored Normal file
View File

@ -0,0 +1,82 @@
package godaddy
import (
"bytes"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"net/http"
"path"
)
// DNSRecord a DNS record.
type DNSRecord struct {
Name string `json:"name,omitempty"`
Type string `json:"type,omitempty"`
Data string `json:"data"`
Priority int `json:"priority,omitempty"`
TTL int `json:"ttl,omitempty"`
}
func (d *DNSProvider) getRecords(domainZone string, rType string, recordName string) ([]DNSRecord, error) {
resource := path.Clean(fmt.Sprintf("/v1/domains/%s/records/%s/%s", domainZone, rType, recordName))
resp, err := d.makeRequest(http.MethodGet, resource, nil)
if err != nil {
return nil, err
}
defer func() { _ = resp.Body.Close() }()
if resp.StatusCode != http.StatusOK {
bodyBytes, _ := ioutil.ReadAll(resp.Body)
return nil, fmt.Errorf("could not get records: Domain: %s; Record: %s, Status: %v; Body: %s",
domainZone, recordName, resp.StatusCode, string(bodyBytes))
}
var records []DNSRecord
err = json.NewDecoder(resp.Body).Decode(&records)
if err != nil {
return nil, err
}
return records, nil
}
func (d *DNSProvider) updateTxtRecords(records []DNSRecord, domainZone string, recordName string) error {
body, err := json.Marshal(records)
if err != nil {
return err
}
resource := path.Clean(fmt.Sprintf("/v1/domains/%s/records/TXT/%s", domainZone, recordName))
var resp *http.Response
resp, err = d.makeRequest(http.MethodPut, resource, bytes.NewReader(body))
if err != nil {
return err
}
defer func() { _ = resp.Body.Close() }()
if resp.StatusCode != http.StatusOK {
bodyBytes, _ := ioutil.ReadAll(resp.Body)
return fmt.Errorf("could not create record %v; Status: %v; Body: %s", string(body), resp.StatusCode, string(bodyBytes))
}
return nil
}
func (d *DNSProvider) makeRequest(method, uri string, body io.Reader) (*http.Response, error) {
req, err := http.NewRequest(method, fmt.Sprintf("%s%s", defaultBaseURL, uri), body)
if err != nil {
return nil, err
}
req.Header.Set("Accept", "application/json")
req.Header.Set("Content-Type", "application/json")
req.Header.Set("Authorization", fmt.Sprintf("sso-key %s:%s", d.config.APIKey, d.config.APISecret))
return d.config.HTTPClient.Do(req)
}

200
vendor/github.com/go-acme/lego/v3/providers/dns/godaddy/godaddy.go generated vendored Normal file
View File

@ -0,0 +1,200 @@
// Package godaddy implements a DNS provider for solving the DNS-01 challenge using godaddy DNS.
package godaddy
import (
"errors"
"fmt"
"net/http"
"strings"
"time"
"github.com/go-acme/lego/v3/challenge/dns01"
"github.com/go-acme/lego/v3/platform/config/env"
)
const (
// defaultBaseURL represents the API endpoint to call.
defaultBaseURL = "https://api.godaddy.com"
minTTL = 600
)
// Environment variables names.
const (
envNamespace = "GODADDY_"
EnvAPIKey = envNamespace + "API_KEY"
EnvAPISecret = envNamespace + "API_SECRET"
EnvTTL = envNamespace + "TTL"
EnvPropagationTimeout = envNamespace + "PROPAGATION_TIMEOUT"
EnvPollingInterval = envNamespace + "POLLING_INTERVAL"
EnvHTTPTimeout = envNamespace + "HTTP_TIMEOUT"
)
// Config is used to configure the creation of the DNSProvider.
type Config struct {
APIKey string
APISecret string
PropagationTimeout time.Duration
PollingInterval time.Duration
TTL int
HTTPClient *http.Client
}
// NewDefaultConfig returns a default configuration for the DNSProvider.
func NewDefaultConfig() *Config {
return &Config{
TTL: env.GetOrDefaultInt(EnvTTL, minTTL),
PropagationTimeout: env.GetOrDefaultSecond(EnvPropagationTimeout, 120*time.Second),
PollingInterval: env.GetOrDefaultSecond(EnvPollingInterval, 2*time.Second),
HTTPClient: &http.Client{
Timeout: env.GetOrDefaultSecond(EnvHTTPTimeout, 30*time.Second),
},
}
}
// DNSProvider implements the challenge.Provider interface.
type DNSProvider struct {
config *Config
}
// NewDNSProvider returns a DNSProvider instance configured for godaddy.
// Credentials must be passed in the environment variables:
// GODADDY_API_KEY and GODADDY_API_SECRET.
func NewDNSProvider() (*DNSProvider, error) {
values, err := env.Get(EnvAPIKey, EnvAPISecret)
if err != nil {
return nil, fmt.Errorf("godaddy: %w", err)
}
config := NewDefaultConfig()
config.APIKey = values[EnvAPIKey]
config.APISecret = values[EnvAPISecret]
return NewDNSProviderConfig(config)
}
// NewDNSProviderConfig return a DNSProvider instance configured for godaddy.
func NewDNSProviderConfig(config *Config) (*DNSProvider, error) {
if config == nil {
return nil, errors.New("godaddy: the configuration of the DNS provider is nil")
}
if config.APIKey == "" || config.APISecret == "" {
return nil, errors.New("godaddy: credentials missing")
}
if config.TTL < minTTL {
return nil, fmt.Errorf("godaddy: invalid TTL, TTL (%d) must be greater than %d", config.TTL, minTTL)
}
return &DNSProvider{config: config}, nil
}
// Timeout returns the timeout and interval to use when checking for DNS
// propagation. Adjusting here to cope with spikes in propagation times.
func (d *DNSProvider) Timeout() (timeout, interval time.Duration) {
return d.config.PropagationTimeout, d.config.PollingInterval
}
// Present creates a TXT record to fulfill the dns-01 challenge.
func (d *DNSProvider) Present(domain, token, keyAuth string) error {
fqdn, value := dns01.GetRecord(domain, keyAuth)
domainZone, err := d.getZone(fqdn)
if err != nil {
return fmt.Errorf("godaddy: failed to get zone: %w", err)
}
recordName := d.extractRecordName(fqdn, domainZone)
records, err := d.getRecords(domainZone, "TXT", recordName)
if err != nil {
return fmt.Errorf("godaddy: failed to get TXT records: %w", err)
}
var newRecords []DNSRecord
for _, record := range records {
if record.Data != "" {
newRecords = append(newRecords, record)
}
}
record := DNSRecord{
Type: "TXT",
Name: recordName,
Data: value,
TTL: d.config.TTL,
}
newRecords = append(newRecords, record)
err = d.updateTxtRecords(newRecords, domainZone, recordName)
if err != nil {
return fmt.Errorf("godaddy: failed to add TXT record: %w", err)
}
return nil
}
// CleanUp removes the record matching the specified parameters.
func (d *DNSProvider) CleanUp(domain, token, keyAuth string) error {
fqdn, value := dns01.GetRecord(domain, keyAuth)
domainZone, err := d.getZone(fqdn)
if err != nil {
return fmt.Errorf("godaddy: failed to get zone: %w", err)
}
recordName := d.extractRecordName(fqdn, domainZone)
records, err := d.getRecords(domainZone, "TXT", recordName)
if err != nil {
return fmt.Errorf("godaddy: failed to get TXT records: %w", err)
}
if len(records) == 0 {
return nil
}
allTxtRecords, err := d.getRecords(domainZone, "TXT", "")
if err != nil {
return fmt.Errorf("godaddy: failed to get all TXT records: %w", err)
}
var recordsKeep []DNSRecord
for _, record := range allTxtRecords {
if record.Data != value && record.Data != "" {
recordsKeep = append(recordsKeep, record)
}
}
// GoDaddy API don't provide a way to delete a record, an "empty" record must be added.
if len(recordsKeep) == 0 {
emptyRecord := DNSRecord{Name: "empty", Data: ""}
recordsKeep = append(recordsKeep, emptyRecord)
}
err = d.updateTxtRecords(recordsKeep, domainZone, "")
if err != nil {
return fmt.Errorf("godaddy: failed to remove TXT record: %w", err)
}
return nil
}
func (d *DNSProvider) extractRecordName(fqdn, domain string) string {
name := dns01.UnFqdn(fqdn)
if idx := strings.Index(name, "."+domain); idx != -1 {
return name[:idx]
}
return name
}
func (d *DNSProvider) getZone(fqdn string) (string, error) {
authZone, err := dns01.FindZoneByFqdn(fqdn)
if err != nil {
return "", err
}
return dns01.UnFqdn(authZone), nil
}

25
vendor/github.com/go-acme/lego/v3/providers/dns/godaddy/godaddy.toml generated vendored Normal file
View File

@ -0,0 +1,25 @@
Name = "Go Daddy"
Description = ''''''
URL = "https://godaddy.com"
Code = "godaddy"
Since = "v0.5.0"
Example = '''
GODADDY_API_KEY=xxxxxxxx \
GODADDY_API_SECRET=yyyyyyyy \
lego --dns godaddy --domains my.domain.com --email my@email.com run
'''
[Configuration]
[Configuration.Credentials]
GODADDY_API_KEY = "API key"
GODADDY_API_SECRET = "API secret"
[Configuration.Additional]
GODADDY_POLLING_INTERVAL = "Time between DNS propagation check"
GODADDY_PROPAGATION_TIMEOUT = "Maximum waiting time for DNS propagation"
GODADDY_TTL = "The TTL of the TXT record used for the DNS challenge"
GODADDY_HTTP_TIMEOUT = "API request timeout"
GODADDY_SEQUENCE_INTERVAL = "Interval between iteration"
[Links]
API = "https://developer.godaddy.com/doc/endpoint/domains"

9
vendor/github.com/hashicorp/hcl/.gitignore generated vendored
View File

@ -1,9 +0,0 @@
y.output
# ignore intellij files
.idea
*.iml
*.ipr
*.iws
*.test

13
vendor/github.com/hashicorp/hcl/.travis.yml generated vendored
View File

@ -1,13 +0,0 @@
sudo: false
language: go
go:
- 1.x
- tip
branches:
only:
- master
script: make test

354
vendor/github.com/hashicorp/hcl/LICENSE generated vendored
View File

@ -1,354 +0,0 @@
Mozilla Public License, version 2.0
1. Definitions
1.1. “Contributor”
means each individual or legal entity that creates, contributes to the
creation of, or owns Covered Software.
1.2. “Contributor Version”
means the combination of the Contributions of others (if any) used by a
Contributor and that particular Contributor’s Contribution.
1.3. “Contribution”
means Covered Software of a particular Contributor.
1.4. “Covered Software”
means Source Code Form to which the initial Contributor has attached the
notice in Exhibit A, the Executable Form of such Source Code Form, and
Modifications of such Source Code Form, in each case including portions
thereof.
1.5. “Incompatible With Secondary Licenses”
means
a. that the initial Contributor has attached the notice described in
Exhibit B to the Covered Software; or
b. that the Covered Software was made available under the terms of version
1.1 or earlier of the License, but not also under the terms of a
Secondary License.
1.6. “Executable Form”
means any form of the work other than Source Code Form.
1.7. “Larger Work”
means a work that combines Covered Software with other material, in a separate
file or files, that is not Covered Software.
1.8. “License”
means this document.
1.9. “Licensable”
means having the right to grant, to the maximum extent possible, whether at the
time of the initial grant or subsequently, any and all of the rights conveyed by
this License.
1.10. “Modifications”
means any of the following:
a. any file in Source Code Form that results from an addition to, deletion
from, or modification of the contents of Covered Software; or
b. any new file in Source Code Form that contains any Covered Software.
1.11. “Patent Claims” of a Contributor
means any patent claim(s), including without limitation, method, process,
and apparatus claims, in any patent Licensable by such Contributor that
would be infringed, but for the grant of the License, by the making,
using, selling, offering for sale, having made, import, or transfer of
either its Contributions or its Contributor Version.
1.12. “Secondary License”
means either the GNU General Public License, Version 2.0, the GNU Lesser
General Public License, Version 2.1, the GNU Affero General Public
License, Version 3.0, or any later versions of those licenses.
1.13. “Source Code Form”
means the form of the work preferred for making modifications.
1.14. “You” (or “Your”)
means an individual or a legal entity exercising rights under this
License. For legal entities, “You” includes any entity that controls, is
controlled by, or is under common control with You. For purposes of this
definition, “control” means (a) the power, direct or indirect, to cause
the direction or management of such entity, whether by contract or
otherwise, or (b) ownership of more than fifty percent (50%) of the
outstanding shares or beneficial ownership of such entity.
2. License Grants and Conditions
2.1. Grants
Each Contributor hereby grants You a world-wide, royalty-free,
non-exclusive license:
a. under intellectual property rights (other than patent or trademark)
Licensable by such Contributor to use, reproduce, make available,
modify, display, perform, distribute, and otherwise exploit its
Contributions, either on an unmodified basis, with Modifications, or as
part of a Larger Work; and
b. under Patent Claims of such Contributor to make, use, sell, offer for
sale, have made, import, and otherwise transfer either its Contributions
or its Contributor Version.
2.2. Effective Date
The licenses granted in Section 2.1 with respect to any Contribution become
effective for each Contribution on the date the Contributor first distributes
such Contribution.
2.3. Limitations on Grant Scope
The licenses granted in this Section 2 are the only rights granted under this
License. No additional rights or licenses will be implied from the distribution
or licensing of Covered Software under this License. Notwithstanding Section
2.1(b) above, no patent license is granted by a Contributor:
a. for any code that a Contributor has removed from Covered Software; or
b. for infringements caused by: (i) Your and any other third party’s
modifications of Covered Software, or (ii) the combination of its
Contributions with other software (except as part of its Contributor
Version); or
c. under Patent Claims infringed by Covered Software in the absence of its
Contributions.
This License does not grant any rights in the trademarks, service marks, or
logos of any Contributor (except as may be necessary to comply with the
notice requirements in Section 3.4).
2.4. Subsequent Licenses
No Contributor makes additional grants as a result of Your choice to
distribute the Covered Software under a subsequent version of this License
(see Section 10.2) or under the terms of a Secondary License (if permitted
under the terms of Section 3.3).
2.5. Representation
Each Contributor represents that the Contributor believes its Contributions
are its original creation(s) or it has sufficient rights to grant the
rights to its Contributions conveyed by this License.
2.6. Fair Use
This License is not intended to limit any rights You have under applicable
copyright doctrines of fair use, fair dealing, or other equivalents.
2.7. Conditions
Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted in
Section 2.1.
3. Responsibilities
3.1. Distribution of Source Form
All distribution of Covered Software in Source Code Form, including any
Modifications that You create or to which You contribute, must be under the
terms of this License. You must inform recipients that the Source Code Form
of the Covered Software is governed by the terms of this License, and how
they can obtain a copy of this License. You may not attempt to alter or
restrict the recipients’ rights in the Source Code Form.
3.2. Distribution of Executable Form
If You distribute Covered Software in Executable Form then:
a. such Covered Software must also be made available in Source Code Form,
as described in Section 3.1, and You must inform recipients of the
Executable Form how they can obtain a copy of such Source Code Form by
reasonable means in a timely manner, at a charge no more than the cost
of distribution to the recipient; and
b. You may distribute such Executable Form under the terms of this License,
or sublicense it under different terms, provided that the license for
the Executable Form does not attempt to limit or alter the recipients’
rights in the Source Code Form under this License.
3.3. Distribution of a Larger Work
You may create and distribute a Larger Work under terms of Your choice,
provided that You also comply with the requirements of this License for the
Covered Software. If the Larger Work is a combination of Covered Software
with a work governed by one or more Secondary Licenses, and the Covered
Software is not Incompatible With Secondary Licenses, this License permits
You to additionally distribute such Covered Software under the terms of
such Secondary License(s), so that the recipient of the Larger Work may, at
their option, further distribute the Covered Software under the terms of
either this License or such Secondary License(s).
3.4. Notices
You may not remove or alter the substance of any license notices (including
copyright notices, patent notices, disclaimers of warranty, or limitations
of liability) contained within the Source Code Form of the Covered
Software, except that You may alter any license notices to the extent
required to remedy known factual inaccuracies.
3.5. Application of Additional Terms
You may choose to offer, and to charge a fee for, warranty, support,
indemnity or liability obligations to one or more recipients of Covered
Software. However, You may do so only on Your own behalf, and not on behalf
of any Contributor. You must make it absolutely clear that any such
warranty, support, indemnity, or liability obligation is offered by You
alone, and You hereby agree to indemnify every Contributor for any
liability incurred by such Contributor as a result of warranty, support,
indemnity or liability terms You offer. You may include additional
disclaimers of warranty and limitations of liability specific to any
jurisdiction.
4. Inability to Comply Due to Statute or Regulation
If it is impossible for You to comply with any of the terms of this License
with respect to some or all of the Covered Software due to statute, judicial
order, or regulation then You must: (a) comply with the terms of this License
to the maximum extent possible; and (b) describe the limitations and the code
they affect. Such description must be placed in a text file included with all
distributions of the Covered Software under this License. Except to the
extent prohibited by statute or regulation, such description must be
sufficiently detailed for a recipient of ordinary skill to be able to
understand it.
5. Termination
5.1. The rights granted under this License will terminate automatically if You
fail to comply with any of its terms. However, if You become compliant,
then the rights granted under this License from a particular Contributor
are reinstated (a) provisionally, unless and until such Contributor
explicitly and finally terminates Your grants, and (b) on an ongoing basis,
if such Contributor fails to notify You of the non-compliance by some
reasonable means prior to 60 days after You have come back into compliance.
Moreover, Your grants from a particular Contributor are reinstated on an
ongoing basis if such Contributor notifies You of the non-compliance by
some reasonable means, this is the first time You have received notice of
non-compliance with this License from such Contributor, and You become
compliant prior to 30 days after Your receipt of the notice.
5.2. If You initiate litigation against any entity by asserting a patent
infringement claim (excluding declaratory judgment actions, counter-claims,
and cross-claims) alleging that a Contributor Version directly or
indirectly infringes any patent, then the rights granted to You by any and
all Contributors for the Covered Software under Section 2.1 of this License
shall terminate.
5.3. In the event of termination under Sections 5.1 or 5.2 above, all end user
license agreements (excluding distributors and resellers) which have been
validly granted by You or Your distributors under this License prior to
termination shall survive termination.
6. Disclaimer of Warranty
Covered Software is provided under this License on an “as is” basis, without
warranty of any kind, either expressed, implied, or statutory, including,
without limitation, warranties that the Covered Software is free of defects,
merchantable, fit for a particular purpose or non-infringing. The entire
risk as to the quality and performance of the Covered Software is with You.
Should any Covered Software prove defective in any respect, You (not any
Contributor) assume the cost of any necessary servicing, repair, or
correction. This disclaimer of warranty constitutes an essential part of this
License. No use of any Covered Software is authorized under this License
except under this disclaimer.
7. Limitation of Liability
Under no circumstances and under no legal theory, whether tort (including
negligence), contract, or otherwise, shall any Contributor, or anyone who
distributes Covered Software as permitted above, be liable to You for any
direct, indirect, special, incidental, or consequential damages of any
character including, without limitation, damages for lost profits, loss of
goodwill, work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses, even if such party shall have been
informed of the possibility of such damages. This limitation of liability
shall not apply to liability for death or personal injury resulting from such
party’s negligence to the extent applicable law prohibits such limitation.
Some jurisdictions do not allow the exclusion or limitation of incidental or
consequential damages, so this exclusion and limitation may not apply to You.
8. Litigation
Any litigation relating to this License may be brought only in the courts of
a jurisdiction where the defendant maintains its principal place of business
and such litigation shall be governed by laws of that jurisdiction, without
reference to its conflict-of-law provisions. Nothing in this Section shall
prevent a party’s ability to bring cross-claims or counter-claims.
9. Miscellaneous
This License represents the complete agreement concerning the subject matter
hereof. If any provision of this License is held to be unenforceable, such
provision shall be reformed only to the extent necessary to make it
enforceable. Any law or regulation which provides that the language of a
contract shall be construed against the drafter shall not be used to construe
this License against a Contributor.
10. Versions of the License
10.1. New Versions
Mozilla Foundation is the license steward. Except as provided in Section
10.3, no one other than the license steward has the right to modify or
publish new versions of this License. Each version will be given a
distinguishing version number.
10.2. Effect of New Versions
You may distribute the Covered Software under the terms of the version of
the License under which You originally received the Covered Software, or
under the terms of any subsequent version published by the license
steward.
10.3. Modified Versions
If you create software not governed by this License, and you want to
create a new license for such software, you may create and use a modified
version of this License if you rename the license and remove any
references to the name of the license steward (except to note that such
modified license differs from this License).
10.4. Distributing Source Code Form that is Incompatible With Secondary Licenses
If You choose to distribute Source Code Form that is Incompatible With
Secondary Licenses under the terms of this version of the License, the
notice described in Exhibit B of this License must be attached.
Exhibit A - Source Code Form License Notice
This Source Code Form is subject to the
terms of the Mozilla Public License, v.
2.0. If a copy of the MPL was not
distributed with this file, You can
obtain one at
http://mozilla.org/MPL/2.0/.
If it is not possible or desirable to put the notice in a particular file, then
You may include the notice in a location (such as a LICENSE file in a relevant
directory) where a recipient would be likely to look for such a notice.
You may add additional accurate notices of copyright ownership.
Exhibit B - “Incompatible With Secondary Licenses” Notice
This Source Code Form is “Incompatible
With Secondary Licenses”, as defined by
the Mozilla Public License, v. 2.0.

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@ -1,18 +0,0 @@
TEST?=./...
default: test
fmt: generate
go fmt ./...
test: generate
go get -t ./...
go test $(TEST) $(TESTARGS)
generate:
go generate ./...
updatedeps:
go get -u golang.org/x/tools/cmd/stringer
.PHONY: default generate test updatedeps

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@ -1,125 +0,0 @@
# HCL
[![GoDoc](https://godoc.org/github.com/hashicorp/hcl?status.png)](https://godoc.org/github.com/hashicorp/hcl) [![Build Status](https://travis-ci.org/hashicorp/hcl.svg?branch=master)](https://travis-ci.org/hashicorp/hcl)
HCL (HashiCorp Configuration Language) is a configuration language built
by HashiCorp. The goal of HCL is to build a structured configuration language
that is both human and machine friendly for use with command-line tools, but
specifically targeted towards DevOps tools, servers, etc.
HCL is also fully JSON compatible. That is, JSON can be used as completely
valid input to a system expecting HCL. This helps makes systems
interoperable with other systems.
HCL is heavily inspired by
[libucl](https://github.com/vstakhov/libucl),
nginx configuration, and others similar.
## Why?
A common question when viewing HCL is to ask the question: why not
JSON, YAML, etc.?
Prior to HCL, the tools we built at [HashiCorp](http://www.hashicorp.com)
used a variety of configuration languages from full programming languages
such as Ruby to complete data structure languages such as JSON. What we
learned is that some people wanted human-friendly configuration languages
and some people wanted machine-friendly languages.
JSON fits a nice balance in this, but is fairly verbose and most
importantly doesn't support comments. With YAML, we found that beginners
had a really hard time determining what the actual structure was, and
ended up guessing more often than not whether to use a hyphen, colon, etc.
in order to represent some configuration key.
Full programming languages such as Ruby enable complex behavior
a configuration language shouldn't usually allow, and also forces
people to learn some set of Ruby.
Because of this, we decided to create our own configuration language
that is JSON-compatible. Our configuration language (HCL) is designed
to be written and modified by humans. The API for HCL allows JSON
as an input so that it is also machine-friendly (machines can generate
JSON instead of trying to generate HCL).
Our goal with HCL is not to alienate other configuration languages.
It is instead to provide HCL as a specialized language for our tools,
and JSON as the interoperability layer.
## Syntax
For a complete grammar, please see the parser itself. A high-level overview
of the syntax and grammar is listed here.
* Single line comments start with `#` or `//`
* Multi-line comments are wrapped in `/*` and `*/`. Nested block comments
are not allowed. A multi-line comment (also known as a block comment)
terminates at the first `*/` found.
* Values are assigned with the syntax `key = value` (whitespace doesn't
matter). The value can be any primitive: a string, number, boolean,
object, or list.
* Strings are double-quoted and can contain any UTF-8 characters.
Example: `"Hello, World"`
* Multi-line strings start with `<<EOF` at the end of a line, and end
with `EOF` on its own line ([here documents](https://en.wikipedia.org/wiki/Here_document)).
Any text may be used in place of `EOF`. Example:
```
<<FOO
hello
world
FOO
```
* Numbers are assumed to be base 10. If you prefix a number with 0x,
it is treated as a hexadecimal. If it is prefixed with 0, it is
treated as an octal. Numbers can be in scientific notation: "1e10".
* Boolean values: `true`, `false`
* Arrays can be made by wrapping it in `[]`. Example:
`["foo", "bar", 42]`. Arrays can contain primitives,
other arrays, and objects. As an alternative, lists
of objects can be created with repeated blocks, using
this structure:
```hcl
service {
key = "value"
}
service {
key = "value"
}
```
Objects and nested objects are created using the structure shown below:
```
variable "ami" {
description = "the AMI to use"
}
```
This would be equivalent to the following json:
``` json
{
"variable": {
"ami": {
"description": "the AMI to use"
}
}
}
```
## Thanks
Thanks to:
* [@vstakhov](https://github.com/vstakhov) - The original libucl parser
and syntax that HCL was based off of.
* [@fatih](https://github.com/fatih) - The rewritten HCL parser
in pure Go (no goyacc) and support for a printer.

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@ -1,19 +0,0 @@
version: "build-{branch}-{build}"
image: Visual Studio 2015
clone_folder: c:\gopath\src\github.com\hashicorp\hcl
environment:
GOPATH: c:\gopath
init:
- git config --global core.autocrlf false
install:
- cmd: >-
echo %Path%
go version
go env
go get -t ./...
build_script:
- cmd: go test -v ./...

729
vendor/github.com/hashicorp/hcl/decoder.go generated vendored
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@ -1,729 +0,0 @@
package hcl
import (
"errors"
"fmt"
"reflect"
"sort"
"strconv"
"strings"
"github.com/hashicorp/hcl/hcl/ast"
"github.com/hashicorp/hcl/hcl/parser"
"github.com/hashicorp/hcl/hcl/token"
)
// This is the tag to use with structures to have settings for HCL
const tagName = "hcl"
var (
// nodeType holds a reference to the type of ast.Node
nodeType reflect.Type = findNodeType()
)
// Unmarshal accepts a byte slice as input and writes the
// data to the value pointed to by v.
func Unmarshal(bs []byte, v interface{}) error {
root, err := parse(bs)
if err != nil {
return err
}
return DecodeObject(v, root)
}
// Decode reads the given input and decodes it into the structure
// given by `out`.
func Decode(out interface{}, in string) error {
obj, err := Parse(in)
if err != nil {
return err
}
return DecodeObject(out, obj)
}
// DecodeObject is a lower-level version of Decode. It decodes a
// raw Object into the given output.
func DecodeObject(out interface{}, n ast.Node) error {
val := reflect.ValueOf(out)
if val.Kind() != reflect.Ptr {
return errors.New("result must be a pointer")
}
// If we have the file, we really decode the root node
if f, ok := n.(*ast.File); ok {
n = f.Node
}
var d decoder
return d.decode("root", n, val.Elem())
}
type decoder struct {
stack []reflect.Kind
}
func (d *decoder) decode(name string, node ast.Node, result reflect.Value) error {
k := result
// If we have an interface with a valid value, we use that
// for the check.
if result.Kind() == reflect.Interface {
elem := result.Elem()
if elem.IsValid() {
k = elem
}
}
// Push current onto stack unless it is an interface.
if k.Kind() != reflect.Interface {
d.stack = append(d.stack, k.Kind())
// Schedule a pop
defer func() {
d.stack = d.stack[:len(d.stack)-1]
}()
}
switch k.Kind() {
case reflect.Bool:
return d.decodeBool(name, node, result)
case reflect.Float32, reflect.Float64:
return d.decodeFloat(name, node, result)
case reflect.Int, reflect.Int32, reflect.Int64:
return d.decodeInt(name, node, result)
case reflect.Interface:
// When we see an interface, we make our own thing
return d.decodeInterface(name, node, result)
case reflect.Map:
return d.decodeMap(name, node, result)
case reflect.Ptr:
return d.decodePtr(name, node, result)
case reflect.Slice:
return d.decodeSlice(name, node, result)
case reflect.String:
return d.decodeString(name, node, result)
case reflect.Struct:
return d.decodeStruct(name, node, result)
default:
return &parser.PosError{
Pos: node.Pos(),
Err: fmt.Errorf("%s: unknown kind to decode into: %s", name, k.Kind()),
}
}
}
func (d *decoder) decodeBool(name string, node ast.Node, result reflect.Value) error {
switch n := node.(type) {
case *ast.LiteralType:
if n.Token.Type == token.BOOL {
v, err := strconv.ParseBool(n.Token.Text)
if err != nil {
return err
}
result.Set(reflect.ValueOf(v))
return nil
}
}
return &parser.PosError{
Pos: node.Pos(),
Err: fmt.Errorf("%s: unknown type %T", name, node),
}
}
func (d *decoder) decodeFloat(name string, node ast.Node, result reflect.Value) error {
switch n := node.(type) {
case *ast.LiteralType:
if n.Token.Type == token.FLOAT || n.Token.Type == token.NUMBER {
v, err := strconv.ParseFloat(n.Token.Text, 64)
if err != nil {
return err
}
result.Set(reflect.ValueOf(v).Convert(result.Type()))
return nil
}
}
return &parser.PosError{
Pos: node.Pos(),
Err: fmt.Errorf("%s: unknown type %T", name, node),
}
}
func (d *decoder) decodeInt(name string, node ast.Node, result reflect.Value) error {
switch n := node.(type) {
case *ast.LiteralType:
switch n.Token.Type {
case token.NUMBER:
v, err := strconv.ParseInt(n.Token.Text, 0, 0)
if err != nil {
return err
}
if result.Kind() == reflect.Interface {
result.Set(reflect.ValueOf(int(v)))
} else {
result.SetInt(v)
}
return nil
case token.STRING:
v, err := strconv.ParseInt(n.Token.Value().(string), 0, 0)
if err != nil {
return err
}
if result.Kind() == reflect.Interface {
result.Set(reflect.ValueOf(int(v)))
} else {
result.SetInt(v)
}
return nil
}
}
return &parser.PosError{
Pos: node.Pos(),
Err: fmt.Errorf("%s: unknown type %T", name, node),
}
}
func (d *decoder) decodeInterface(name string, node ast.Node, result reflect.Value) error {
// When we see an ast.Node, we retain the value to enable deferred decoding.
// Very useful in situations where we want to preserve ast.Node information
// like Pos
if result.Type() == nodeType && result.CanSet() {
result.Set(reflect.ValueOf(node))
return nil
}
var set reflect.Value
redecode := true
// For testing types, ObjectType should just be treated as a list. We
// set this to a temporary var because we want to pass in the real node.
testNode := node
if ot, ok := node.(*ast.ObjectType); ok {
testNode = ot.List
}
switch n := testNode.(type) {
case *ast.ObjectList:
// If we're at the root or we're directly within a slice, then we
// decode objects into map[string]interface{}, otherwise we decode
// them into lists.
if len(d.stack) == 0 || d.stack[len(d.stack)-1] == reflect.Slice {
var temp map[string]interface{}
tempVal := reflect.ValueOf(temp)
result := reflect.MakeMap(
reflect.MapOf(
reflect.TypeOf(""),
tempVal.Type().Elem()))
set = result
} else {
var temp []map[string]interface{}
tempVal := reflect.ValueOf(temp)
result := reflect.MakeSlice(
reflect.SliceOf(tempVal.Type().Elem()), 0, len(n.Items))
set = result
}
case *ast.ObjectType:
// If we're at the root or we're directly within a slice, then we
// decode objects into map[string]interface{}, otherwise we decode
// them into lists.
if len(d.stack) == 0 || d.stack[len(d.stack)-1] == reflect.Slice {
var temp map[string]interface{}
tempVal := reflect.ValueOf(temp)
result := reflect.MakeMap(
reflect.MapOf(
reflect.TypeOf(""),
tempVal.Type().Elem()))
set = result
} else {
var temp []map[string]interface{}
tempVal := reflect.ValueOf(temp)
result := reflect.MakeSlice(
reflect.SliceOf(tempVal.Type().Elem()), 0, 1)
set = result
}
case *ast.ListType:
var temp []interface{}
tempVal := reflect.ValueOf(temp)
result := reflect.MakeSlice(
reflect.SliceOf(tempVal.Type().Elem()), 0, 0)
set = result
case *ast.LiteralType:
switch n.Token.Type {
case token.BOOL:
var result bool
set = reflect.Indirect(reflect.New(reflect.TypeOf(result)))
case token.FLOAT:
var result float64
set = reflect.Indirect(reflect.New(reflect.TypeOf(result)))
case token.NUMBER:
var result int
set = reflect.Indirect(reflect.New(reflect.TypeOf(result)))
case token.STRING, token.HEREDOC:
set = reflect.Indirect(reflect.New(reflect.TypeOf("")))
default:
return &parser.PosError{
Pos: node.Pos(),
Err: fmt.Errorf("%s: cannot decode into interface: %T", name, node),
}
}
default:
return fmt.Errorf(
"%s: cannot decode into interface: %T",
name, node)
}
// Set the result to what its supposed to be, then reset
// result so we don't reflect into this method anymore.
result.Set(set)
if redecode {
// Revisit the node so that we can use the newly instantiated
// thing and populate it.
if err := d.decode(name, node, result); err != nil {
return err
}
}
return nil
}
func (d *decoder) decodeMap(name string, node ast.Node, result reflect.Value) error {
if item, ok := node.(*ast.ObjectItem); ok {
node = &ast.ObjectList{Items: []*ast.ObjectItem{item}}
}
if ot, ok := node.(*ast.ObjectType); ok {
node = ot.List
}
n, ok := node.(*ast.ObjectList)
if !ok {
return &parser.PosError{
Pos: node.Pos(),
Err: fmt.Errorf("%s: not an object type for map (%T)", name, node),
}
}
// If we have an interface, then we can address the interface,
// but not the slice itself, so get the element but set the interface
set := result
if result.Kind() == reflect.Interface {
result = result.Elem()
}
resultType := result.Type()
resultElemType := resultType.Elem()
resultKeyType := resultType.Key()
if resultKeyType.Kind() != reflect.String {
return &parser.PosError{
Pos: node.Pos(),
Err: fmt.Errorf("%s: map must have string keys", name),
}
}
// Make a map if it is nil
resultMap := result
if result.IsNil() {
resultMap = reflect.MakeMap(
reflect.MapOf(resultKeyType, resultElemType))
}
// Go through each element and decode it.
done := make(map[string]struct{})
for _, item := range n.Items {
if item.Val == nil {
continue
}
// github.com/hashicorp/terraform/issue/5740
if len(item.Keys) == 0 {
return &parser.PosError{
Pos: node.Pos(),
Err: fmt.Errorf("%s: map must have string keys", name),
}
}
// Get the key we're dealing with, which is the first item
keyStr := item.Keys[0].Token.Value().(string)
// If we've already processed this key, then ignore it
if _, ok := done[keyStr]; ok {
continue
}
// Determine the value. If we have more than one key, then we
// get the objectlist of only these keys.
itemVal := item.Val
if len(item.Keys) > 1 {
itemVal = n.Filter(keyStr)
done[keyStr] = struct{}{}
}
// Make the field name
fieldName := fmt.Sprintf("%s.%s", name, keyStr)
// Get the key/value as reflection values
key := reflect.ValueOf(keyStr)
val := reflect.Indirect(reflect.New(resultElemType))
// If we have a pre-existing value in the map, use that
oldVal := resultMap.MapIndex(key)
if oldVal.IsValid() {
val.Set(oldVal)
}
// Decode!
if err := d.decode(fieldName, itemVal, val); err != nil {
return err
}
// Set the value on the map
resultMap.SetMapIndex(key, val)
}
// Set the final map if we can
set.Set(resultMap)
return nil
}
func (d *decoder) decodePtr(name string, node ast.Node, result reflect.Value) error {
// Create an element of the concrete (non pointer) type and decode
// into that. Then set the value of the pointer to this type.
resultType := result.Type()
resultElemType := resultType.Elem()
val := reflect.New(resultElemType)
if err := d.decode(name, node, reflect.Indirect(val)); err != nil {
return err
}
result.Set(val)
return nil
}
func (d *decoder) decodeSlice(name string, node ast.Node, result reflect.Value) error {
// If we have an interface, then we can address the interface,
// but not the slice itself, so get the element but set the interface
set := result
if result.Kind() == reflect.Interface {
result = result.Elem()
}
// Create the slice if it isn't nil
resultType := result.Type()
resultElemType := resultType.Elem()
if result.IsNil() {
resultSliceType := reflect.SliceOf(resultElemType)
result = reflect.MakeSlice(
resultSliceType, 0, 0)
}
// Figure out the items we'll be copying into the slice
var items []ast.Node
switch n := node.(type) {
case *ast.ObjectList:
items = make([]ast.Node, len(n.Items))
for i, item := range n.Items {
items[i] = item
}
case *ast.ObjectType:
items = []ast.Node{n}
case *ast.ListType:
items = n.List
default:
return &parser.PosError{
Pos: node.Pos(),
Err: fmt.Errorf("unknown slice type: %T", node),
}
}
for i, item := range items {
fieldName := fmt.Sprintf("%s[%d]", name, i)
// Decode
val := reflect.Indirect(reflect.New(resultElemType))
// if item is an object that was decoded from ambiguous JSON and
// flattened, make sure it's expanded if it needs to decode into a
// defined structure.
item := expandObject(item, val)
if err := d.decode(fieldName, item, val); err != nil {
return err
}
// Append it onto the slice
result = reflect.Append(result, val)
}
set.Set(result)
return nil
}
// expandObject detects if an ambiguous JSON object was flattened to a List which
// should be decoded into a struct, and expands the ast to properly deocode.
func expandObject(node ast.Node, result reflect.Value) ast.Node {
item, ok := node.(*ast.ObjectItem)
if !ok {
return node
}
elemType := result.Type()
// our target type must be a struct
switch elemType.Kind() {
case reflect.Ptr:
switch elemType.Elem().Kind() {
case reflect.Struct:
//OK
default:
return node
}
case reflect.Struct:
//OK
default:
return node
}
// A list value will have a key and field name. If it had more fields,
// it wouldn't have been flattened.
if len(item.Keys) != 2 {
return node
}
keyToken := item.Keys[0].Token
item.Keys = item.Keys[1:]
// we need to un-flatten the ast enough to decode
newNode := &ast.ObjectItem{
Keys: []*ast.ObjectKey{
&ast.ObjectKey{
Token: keyToken,
},
},
Val: &ast.ObjectType{
List: &ast.ObjectList{
Items: []*ast.ObjectItem{item},
},
},
}
return newNode
}
func (d *decoder) decodeString(name string, node ast.Node, result reflect.Value) error {
switch n := node.(type) {
case *ast.LiteralType:
switch n.Token.Type {
case token.NUMBER:
result.Set(reflect.ValueOf(n.Token.Text).Convert(result.Type()))
return nil
case token.STRING, token.HEREDOC:
result.Set(reflect.ValueOf(n.Token.Value()).Convert(result.Type()))
return nil
}
}
return &parser.PosError{
Pos: node.Pos(),
Err: fmt.Errorf("%s: unknown type for string %T", name, node),
}
}
func (d *decoder) decodeStruct(name string, node ast.Node, result reflect.Value) error {
var item *ast.ObjectItem
if it, ok := node.(*ast.ObjectItem); ok {
item = it
node = it.Val
}
if ot, ok := node.(*ast.ObjectType); ok {
node = ot.List
}
// Handle the special case where the object itself is a literal. Previously
// the yacc parser would always ensure top-level elements were arrays. The new
// parser does not make the same guarantees, thus we need to convert any
// top-level literal elements into a list.
if _, ok := node.(*ast.LiteralType); ok && item != nil {
node = &ast.ObjectList{Items: []*ast.ObjectItem{item}}
}
list, ok := node.(*ast.ObjectList)
if !ok {
return &parser.PosError{
Pos: node.Pos(),
Err: fmt.Errorf("%s: not an object type for struct (%T)", name, node),
}
}
// This slice will keep track of all the structs we'll be decoding.
// There can be more than one struct if there are embedded structs
// that are squashed.
structs := make([]reflect.Value, 1, 5)
structs[0] = result
// Compile the list of all the fields that we're going to be decoding
// from all the structs.
type field struct {
field reflect.StructField
val reflect.Value
}
fields := []field{}
for len(structs) > 0 {
structVal := structs[0]
structs = structs[1:]
structType := structVal.Type()
for i := 0; i < structType.NumField(); i++ {
fieldType := structType.Field(i)
tagParts := strings.Split(fieldType.Tag.Get(tagName), ",")
// Ignore fields with tag name "-"
if tagParts[0] == "-" {
continue
}
if fieldType.Anonymous {
fieldKind := fieldType.Type.Kind()
if fieldKind != reflect.Struct {
return &parser.PosError{
Pos: node.Pos(),
Err: fmt.Errorf("%s: unsupported type to struct: %s",
fieldType.Name, fieldKind),
}
}
// We have an embedded field. We "squash" the fields down
// if specified in the tag.
squash := false
for _, tag := range tagParts[1:] {
if tag == "squash" {
squash = true
break
}
}
if squash {
structs = append(
structs, result.FieldByName(fieldType.Name))
continue
}
}
// Normal struct field, store it away
fields = append(fields, field{fieldType, structVal.Field(i)})
}
}
usedKeys := make(map[string]struct{})
decodedFields := make([]string, 0, len(fields))
decodedFieldsVal := make([]reflect.Value, 0)
unusedKeysVal := make([]reflect.Value, 0)
for _, f := range fields {
field, fieldValue := f.field, f.val
if !fieldValue.IsValid() {
// This should never happen
panic("field is not valid")
}
// If we can't set the field, then it is unexported or something,
// and we just continue onwards.
if !fieldValue.CanSet() {
continue
}
fieldName := field.Name
tagValue := field.Tag.Get(tagName)
tagParts := strings.SplitN(tagValue, ",", 2)
if len(tagParts) >= 2 {
switch tagParts[1] {
case "decodedFields":
decodedFieldsVal = append(decodedFieldsVal, fieldValue)
continue
case "key":
if item == nil {
return &parser.PosError{
Pos: node.Pos(),
Err: fmt.Errorf("%s: %s asked for 'key', impossible",
name, fieldName),
}
}
fieldValue.SetString(item.Keys[0].Token.Value().(string))
continue
case "unusedKeys":
unusedKeysVal = append(unusedKeysVal, fieldValue)
continue
}
}
if tagParts[0] != "" {
fieldName = tagParts[0]
}
// Determine the element we'll use to decode. If it is a single
// match (only object with the field), then we decode it exactly.
// If it is a prefix match, then we decode the matches.
filter := list.Filter(fieldName)
prefixMatches := filter.Children()
matches := filter.Elem()
if len(matches.Items) == 0 && len(prefixMatches.Items) == 0 {
continue
}
// Track the used key
usedKeys[fieldName] = struct{}{}
// Create the field name and decode. We range over the elements
// because we actually want the value.
fieldName = fmt.Sprintf("%s.%s", name, fieldName)
if len(prefixMatches.Items) > 0 {
if err := d.decode(fieldName, prefixMatches, fieldValue); err != nil {
return err
}
}
for _, match := range matches.Items {
var decodeNode ast.Node = match.Val
if ot, ok := decodeNode.(*ast.ObjectType); ok {
decodeNode = &ast.ObjectList{Items: ot.List.Items}
}
if err := d.decode(fieldName, decodeNode, fieldValue); err != nil {
return err
}
}
decodedFields = append(decodedFields, field.Name)
}
if len(decodedFieldsVal) > 0 {
// Sort it so that it is deterministic
sort.Strings(decodedFields)
for _, v := range decodedFieldsVal {
v.Set(reflect.ValueOf(decodedFields))
}
}
return nil
}
// findNodeType returns the type of ast.Node
func findNodeType() reflect.Type {
var nodeContainer struct {
Node ast.Node
}
value := reflect.ValueOf(nodeContainer).FieldByName("Node")
return value.Type()
}

3
vendor/github.com/hashicorp/hcl/go.mod generated vendored
View File

@ -1,3 +0,0 @@
module github.com/hashicorp/hcl
require github.com/davecgh/go-spew v1.1.1

2
vendor/github.com/hashicorp/hcl/go.sum generated vendored
View File

@ -1,2 +0,0 @@
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=

11
vendor/github.com/hashicorp/hcl/hcl.go generated vendored
View File

@ -1,11 +0,0 @@
// Package hcl decodes HCL into usable Go structures.
//
// hcl input can come in either pure HCL format or JSON format.
// It can be parsed into an AST, and then decoded into a structure,
// or it can be decoded directly from a string into a structure.
//
// If you choose to parse HCL into a raw AST, the benefit is that you
// can write custom visitor implementations to implement custom
// semantic checks. By default, HCL does not perform any semantic
// checks.
package hcl

219
vendor/github.com/hashicorp/hcl/hcl/ast/ast.go generated vendored
View File

@ -1,219 +0,0 @@
// Package ast declares the types used to represent syntax trees for HCL
// (HashiCorp Configuration Language)
package ast
import (
"fmt"
"strings"
"github.com/hashicorp/hcl/hcl/token"
)
// Node is an element in the abstract syntax tree.
type Node interface {
node()
Pos() token.Pos
}
func (File) node() {}
func (ObjectList) node() {}
func (ObjectKey) node() {}
func (ObjectItem) node() {}
func (Comment) node() {}
func (CommentGroup) node() {}
func (ObjectType) node() {}
func (LiteralType) node() {}
func (ListType) node() {}
// File represents a single HCL file
type File struct {
Node Node // usually a *ObjectList
Comments []*CommentGroup // list of all comments in the source
}
func (f *File) Pos() token.Pos {
return f.Node.Pos()
}
// ObjectList represents a list of ObjectItems. An HCL file itself is an
// ObjectList.
type ObjectList struct {
Items []*ObjectItem
}
func (o *ObjectList) Add(item *ObjectItem) {
o.Items = append(o.Items, item)
}
// Filter filters out the objects with the given key list as a prefix.
//
// The returned list of objects contain ObjectItems where the keys have
// this prefix already stripped off. This might result in objects with
// zero-length key lists if they have no children.
//
// If no matches are found, an empty ObjectList (non-nil) is returned.
func (o *ObjectList) Filter(keys ...string) *ObjectList {
var result ObjectList
for _, item := range o.Items {
// If there aren't enough keys, then ignore this
if len(item.Keys) < len(keys) {
continue
}
match := true
for i, key := range item.Keys[:len(keys)] {
key := key.Token.Value().(string)
if key != keys[i] && !strings.EqualFold(key, keys[i]) {
match = false
break
}
}
if !match {
continue
}
// Strip off the prefix from the children
newItem := *item
newItem.Keys = newItem.Keys[len(keys):]
result.Add(&newItem)
}
return &result
}
// Children returns further nested objects (key length > 0) within this
// ObjectList. This should be used with Filter to get at child items.
func (o *ObjectList) Children() *ObjectList {
var result ObjectList
for _, item := range o.Items {
if len(item.Keys) > 0 {
result.Add(item)
}
}
return &result
}
// Elem returns items in the list that are direct element assignments
// (key length == 0). This should be used with Filter to get at elements.
func (o *ObjectList) Elem() *ObjectList {
var result ObjectList
for _, item := range o.Items {
if len(item.Keys) == 0 {
result.Add(item)
}
}
return &result
}
func (o *ObjectList) Pos() token.Pos {
// always returns the uninitiliazed position
return o.Items[0].Pos()
}
// ObjectItem represents a HCL Object Item. An item is represented with a key
// (or keys). It can be an assignment or an object (both normal and nested)
type ObjectItem struct {
// keys is only one length long if it's of type assignment. If it's a
// nested object it can be larger than one. In that case "assign" is
// invalid as there is no assignments for a nested object.
Keys []*ObjectKey
// assign contains the position of "=", if any
Assign token.Pos
// val is the item itself. It can be an object,list, number, bool or a
// string. If key length is larger than one, val can be only of type
// Object.
Val Node
LeadComment *CommentGroup // associated lead comment
LineComment *CommentGroup // associated line comment
}
func (o *ObjectItem) Pos() token.Pos {
// I'm not entirely sure what causes this, but removing this causes
// a test failure. We should investigate at some point.
if len(o.Keys) == 0 {
return token.Pos{}
}
return o.Keys[0].Pos()
}
// ObjectKeys are either an identifier or of type string.
type ObjectKey struct {
Token token.Token
}
func (o *ObjectKey) Pos() token.Pos {
return o.Token.Pos
}
// LiteralType represents a literal of basic type. Valid types are:
// token.NUMBER, token.FLOAT, token.BOOL and token.STRING
type LiteralType struct {
Token token.Token
// comment types, only used when in a list
LeadComment *CommentGroup
LineComment *CommentGroup
}
func (l *LiteralType) Pos() token.Pos {
return l.Token.Pos
}
// ListStatement represents a HCL List type
type ListType struct {
Lbrack token.Pos // position of "["
Rbrack token.Pos // position of "]"
List []Node // the elements in lexical order
}
func (l *ListType) Pos() token.Pos {
return l.Lbrack
}
func (l *ListType) Add(node Node) {
l.List = append(l.List, node)
}
// ObjectType represents a HCL Object Type
type ObjectType struct {
Lbrace token.Pos // position of "{"
Rbrace token.Pos // position of "}"
List *ObjectList // the nodes in lexical order
}
func (o *ObjectType) Pos() token.Pos {
return o.Lbrace
}
// Comment node represents a single //, # style or /*- style commment
type Comment struct {
Start token.Pos // position of / or #
Text string
}
func (c *Comment) Pos() token.Pos {
return c.Start
}
// CommentGroup node represents a sequence of comments with no other tokens and
// no empty lines between.
type CommentGroup struct {
List []*Comment // len(List) > 0
}
func (c *CommentGroup) Pos() token.Pos {
return c.List[0].Pos()
}
//-------------------------------------------------------------------
// GoStringer
//-------------------------------------------------------------------
func (o *ObjectKey) GoString() string { return fmt.Sprintf("*%#v", *o) }
func (o *ObjectList) GoString() string { return fmt.Sprintf("*%#v", *o) }

52
vendor/github.com/hashicorp/hcl/hcl/ast/walk.go generated vendored
View File

@ -1,52 +0,0 @@
package ast
import "fmt"
// WalkFunc describes a function to be called for each node during a Walk. The
// returned node can be used to rewrite the AST. Walking stops the returned
// bool is false.
type WalkFunc func(Node) (Node, bool)
// Walk traverses an AST in depth-first order: It starts by calling fn(node);
// node must not be nil. If fn returns true, Walk invokes fn recursively for
// each of the non-nil children of node, followed by a call of fn(nil). The
// returned node of fn can be used to rewrite the passed node to fn.
func Walk(node Node, fn WalkFunc) Node {
rewritten, ok := fn(node)
if !ok {
return rewritten
}
switch n := node.(type) {
case *File:
n.Node = Walk(n.Node, fn)
case *ObjectList:
for i, item := range n.Items {
n.Items[i] = Walk(item, fn).(*ObjectItem)
}
case *ObjectKey:
// nothing to do
case *ObjectItem:
for i, k := range n.Keys {
n.Keys[i] = Walk(k, fn).(*ObjectKey)
}
if n.Val != nil {
n.Val = Walk(n.Val, fn)
}
case *LiteralType:
// nothing to do
case *ListType:
for i, l := range n.List {
n.List[i] = Walk(l, fn)
}
case *ObjectType:
n.List = Walk(n.List, fn).(*ObjectList)
default:
// should we panic here?
fmt.Printf("unknown type: %T\n", n)
}
fn(nil)
return rewritten
}

17
vendor/github.com/hashicorp/hcl/hcl/parser/error.go generated vendored
View File

@ -1,17 +0,0 @@
package parser
import (
"fmt"
"github.com/hashicorp/hcl/hcl/token"
)
// PosError is a parse error that contains a position.
type PosError struct {
Pos token.Pos
Err error
}
func (e *PosError) Error() string {
return fmt.Sprintf("At %s: %s", e.Pos, e.Err)
}

532
vendor/github.com/hashicorp/hcl/hcl/parser/parser.go generated vendored
View File

@ -1,532 +0,0 @@
// Package parser implements a parser for HCL (HashiCorp Configuration
// Language)
package parser
import (
"bytes"
"errors"
"fmt"
"strings"
"github.com/hashicorp/hcl/hcl/ast"
"github.com/hashicorp/hcl/hcl/scanner"
"github.com/hashicorp/hcl/hcl/token"
)
type Parser struct {
sc *scanner.Scanner
// Last read token
tok token.Token
commaPrev token.Token
comments []*ast.CommentGroup
leadComment *ast.CommentGroup // last lead comment
lineComment *ast.CommentGroup // last line comment
enableTrace bool
indent int
n int // buffer size (max = 1)
}
func newParser(src []byte) *Parser {
return &Parser{
sc: scanner.New(src),
}
}
// Parse returns the fully parsed source and returns the abstract syntax tree.
func Parse(src []byte) (*ast.File, error) {
// normalize all line endings
// since the scanner and output only work with "\n" line endings, we may
// end up with dangling "\r" characters in the parsed data.
src = bytes.Replace(src, []byte("\r\n"), []byte("\n"), -1)
p := newParser(src)
return p.Parse()
}
var errEofToken = errors.New("EOF token found")
// Parse returns the fully parsed source and returns the abstract syntax tree.
func (p *Parser) Parse() (*ast.File, error) {
f := &ast.File{}
var err, scerr error
p.sc.Error = func(pos token.Pos, msg string) {
scerr = &PosError{Pos: pos, Err: errors.New(msg)}
}
f.Node, err = p.objectList(false)
if scerr != nil {
return nil, scerr
}
if err != nil {
return nil, err
}
f.Comments = p.comments
return f, nil
}
// objectList parses a list of items within an object (generally k/v pairs).
// The parameter" obj" tells this whether to we are within an object (braces:
// '{', '}') or just at the top level. If we're within an object, we end
// at an RBRACE.
func (p *Parser) objectList(obj bool) (*ast.ObjectList, error) {
defer un(trace(p, "ParseObjectList"))
node := &ast.ObjectList{}
for {
if obj {
tok := p.scan()
p.unscan()
if tok.Type == token.RBRACE {
break
}
}
n, err := p.objectItem()
if err == errEofToken {
break // we are finished
}
// we don't return a nil node, because might want to use already
// collected items.
if err != nil {
return node, err
}
node.Add(n)
// object lists can be optionally comma-delimited e.g. when a list of maps
// is being expressed, so a comma is allowed here - it's simply consumed
tok := p.scan()
if tok.Type != token.COMMA {
p.unscan()
}
}
return node, nil
}
func (p *Parser) consumeComment() (comment *ast.Comment, endline int) {
endline = p.tok.Pos.Line
// count the endline if it's multiline comment, ie starting with /*
if len(p.tok.Text) > 1 && p.tok.Text[1] == '*' {
// don't use range here - no need to decode Unicode code points
for i := 0; i < len(p.tok.Text); i++ {
if p.tok.Text[i] == '\n' {
endline++
}
}
}
comment = &ast.Comment{Start: p.tok.Pos, Text: p.tok.Text}
p.tok = p.sc.Scan()
return
}
func (p *Parser) consumeCommentGroup(n int) (comments *ast.CommentGroup, endline int) {
var list []*ast.Comment
endline = p.tok.Pos.Line
for p.tok.Type == token.COMMENT && p.tok.Pos.Line <= endline+n {
var comment *ast.Comment
comment, endline = p.consumeComment()
list = append(list, comment)
}
// add comment group to the comments list
comments = &ast.CommentGroup{List: list}
p.comments = append(p.comments, comments)
return
}
// objectItem parses a single object item
func (p *Parser) objectItem() (*ast.ObjectItem, error) {
defer un(trace(p, "ParseObjectItem"))
keys, err := p.objectKey()
if len(keys) > 0 && err == errEofToken {
// We ignore eof token here since it is an error if we didn't
// receive a value (but we did receive a key) for the item.
err = nil
}
if len(keys) > 0 && err != nil && p.tok.Type == token.RBRACE {
// This is a strange boolean statement, but what it means is:
// We have keys with no value, and we're likely in an object
// (since RBrace ends an object). For this, we set err to nil so
// we continue and get the error below of having the wrong value
// type.
err = nil
// Reset the token type so we don't think it completed fine. See
// objectType which uses p.tok.Type to check if we're done with
// the object.
p.tok.Type = token.EOF
}
if err != nil {
return nil, err
}
o := &ast.ObjectItem{
Keys: keys,
}
if p.leadComment != nil {
o.LeadComment = p.leadComment
p.leadComment = nil
}
switch p.tok.Type {
case token.ASSIGN:
o.Assign = p.tok.Pos
o.Val, err = p.object()
if err != nil {
return nil, err
}
case token.LBRACE:
o.Val, err = p.objectType()
if err != nil {
return nil, err
}
default:
keyStr := make([]string, 0, len(keys))
for _, k := range keys {
keyStr = append(keyStr, k.Token.Text)
}
return nil, &PosError{
Pos: p.tok.Pos,
Err: fmt.Errorf(
"key '%s' expected start of object ('{') or assignment ('=')",
strings.Join(keyStr, " ")),
}
}
// key=#comment
// val
if p.lineComment != nil {
o.LineComment, p.lineComment = p.lineComment, nil
}
// do a look-ahead for line comment
p.scan()
if len(keys) > 0 && o.Val.Pos().Line == keys[0].Pos().Line && p.lineComment != nil {
o.LineComment = p.lineComment
p.lineComment = nil
}
p.unscan()
return o, nil
}
// objectKey parses an object key and returns a ObjectKey AST
func (p *Parser) objectKey() ([]*ast.ObjectKey, error) {
keyCount := 0
keys := make([]*ast.ObjectKey, 0)
for {
tok := p.scan()
switch tok.Type {
case token.EOF:
// It is very important to also return the keys here as well as
// the error. This is because we need to be able to tell if we
// did parse keys prior to finding the EOF, or if we just found
// a bare EOF.
return keys, errEofToken
case token.ASSIGN:
// assignment or object only, but not nested objects. this is not
// allowed: `foo bar = {}`
if keyCount > 1 {
return nil, &PosError{
Pos: p.tok.Pos,
Err: fmt.Errorf("nested object expected: LBRACE got: %s", p.tok.Type),
}
}
if keyCount == 0 {
return nil, &PosError{
Pos: p.tok.Pos,
Err: errors.New("no object keys found!"),
}
}
return keys, nil
case token.LBRACE:
var err error
// If we have no keys, then it is a syntax error. i.e. {{}} is not
// allowed.
if len(keys) == 0 {
err = &PosError{
Pos: p.tok.Pos,
Err: fmt.Errorf("expected: IDENT | STRING got: %s", p.tok.Type),
}
}
// object
return keys, err
case token.IDENT, token.STRING:
keyCount++
keys = append(keys, &ast.ObjectKey{Token: p.tok})
case token.ILLEGAL:
return keys, &PosError{
Pos: p.tok.Pos,
Err: fmt.Errorf("illegal character"),
}
default:
return keys, &PosError{
Pos: p.tok.Pos,
Err: fmt.Errorf("expected: IDENT | STRING | ASSIGN | LBRACE got: %s", p.tok.Type),
}
}
}
}
// object parses any type of object, such as number, bool, string, object or
// list.
func (p *Parser) object() (ast.Node, error) {
defer un(trace(p, "ParseType"))
tok := p.scan()
switch tok.Type {
case token.NUMBER, token.FLOAT, token.BOOL, token.STRING, token.HEREDOC:
return p.literalType()
case token.LBRACE:
return p.objectType()
case token.LBRACK:
return p.listType()
case token.COMMENT:
// implement comment
case token.EOF:
return nil, errEofToken
}
return nil, &PosError{
Pos: tok.Pos,
Err: fmt.Errorf("Unknown token: %+v", tok),
}
}
// objectType parses an object type and returns a ObjectType AST
func (p *Parser) objectType() (*ast.ObjectType, error) {
defer un(trace(p, "ParseObjectType"))
// we assume that the currently scanned token is a LBRACE
o := &ast.ObjectType{
Lbrace: p.tok.Pos,
}
l, err := p.objectList(true)
// if we hit RBRACE, we are good to go (means we parsed all Items), if it's
// not a RBRACE, it's an syntax error and we just return it.
if err != nil && p.tok.Type != token.RBRACE {
return nil, err
}
// No error, scan and expect the ending to be a brace
if tok := p.scan(); tok.Type != token.RBRACE {
return nil, &PosError{
Pos: tok.Pos,
Err: fmt.Errorf("object expected closing RBRACE got: %s", tok.Type),
}
}
o.List = l
o.Rbrace = p.tok.Pos // advanced via parseObjectList
return o, nil
}
// listType parses a list type and returns a ListType AST
func (p *Parser) listType() (*ast.ListType, error) {
defer un(trace(p, "ParseListType"))
// we assume that the currently scanned token is a LBRACK
l := &ast.ListType{
Lbrack: p.tok.Pos,
}
needComma := false
for {
tok := p.scan()
if needComma {
switch tok.Type {
case token.COMMA, token.RBRACK:
default:
return nil, &PosError{
Pos: tok.Pos,
Err: fmt.Errorf(
"error parsing list, expected comma or list end, got: %s",
tok.Type),
}
}
}
switch tok.Type {
case token.BOOL, token.NUMBER, token.FLOAT, token.STRING, token.HEREDOC:
node, err := p.literalType()
if err != nil {
return nil, err
}
// If there is a lead comment, apply it
if p.leadComment != nil {
node.LeadComment = p.leadComment
p.leadComment = nil
}
l.Add(node)
needComma = true
case token.COMMA:
// get next list item or we are at the end
// do a look-ahead for line comment
p.scan()
if p.lineComment != nil && len(l.List) > 0 {
lit, ok := l.List[len(l.List)-1].(*ast.LiteralType)
if ok {
lit.LineComment = p.lineComment
l.List[len(l.List)-1] = lit
p.lineComment = nil
}
}
p.unscan()
needComma = false
continue
case token.LBRACE:
// Looks like a nested object, so parse it out
node, err := p.objectType()
if err != nil {
return nil, &PosError{
Pos: tok.Pos,
Err: fmt.Errorf(
"error while trying to parse object within list: %s", err),
}
}
l.Add(node)
needComma = true
case token.LBRACK:
node, err := p.listType()
if err != nil {
return nil, &PosError{
Pos: tok.Pos,
Err: fmt.Errorf(
"error while trying to parse list within list: %s", err),
}
}
l.Add(node)
case token.RBRACK:
// finished
l.Rbrack = p.tok.Pos
return l, nil
default:
return nil, &PosError{
Pos: tok.Pos,
Err: fmt.Errorf("unexpected token while parsing list: %s", tok.Type),
}
}
}
}
// literalType parses a literal type and returns a LiteralType AST
func (p *Parser) literalType() (*ast.LiteralType, error) {
defer un(trace(p, "ParseLiteral"))
return &ast.LiteralType{
Token: p.tok,
}, nil
}
// scan returns the next token from the underlying scanner. If a token has
// been unscanned then read that instead. In the process, it collects any
// comment groups encountered, and remembers the last lead and line comments.
func (p *Parser) scan() token.Token {
// If we have a token on the buffer, then return it.
if p.n != 0 {
p.n = 0
return p.tok
}
// Otherwise read the next token from the scanner and Save it to the buffer
// in case we unscan later.
prev := p.tok
p.tok = p.sc.Scan()
if p.tok.Type == token.COMMENT {
var comment *ast.CommentGroup
var endline int
// fmt.Printf("p.tok.Pos.Line = %+v prev: %d endline %d \n",
// p.tok.Pos.Line, prev.Pos.Line, endline)
if p.tok.Pos.Line == prev.Pos.Line {
// The comment is on same line as the previous token; it
// cannot be a lead comment but may be a line comment.
comment, endline = p.consumeCommentGroup(0)
if p.tok.Pos.Line != endline {
// The next token is on a different line, thus
// the last comment group is a line comment.
p.lineComment = comment
}
}
// consume successor comments, if any
endline = -1
for p.tok.Type == token.COMMENT {
comment, endline = p.consumeCommentGroup(1)
}
if endline+1 == p.tok.Pos.Line && p.tok.Type != token.RBRACE {
switch p.tok.Type {
case token.RBRACE, token.RBRACK:
// Do not count for these cases
default:
// The next token is following on the line immediately after the
// comment group, thus the last comment group is a lead comment.
p.leadComment = comment
}
}
}
return p.tok
}
// unscan pushes the previously read token back onto the buffer.
func (p *Parser) unscan() {
p.n = 1
}
// ----------------------------------------------------------------------------
// Parsing support
func (p *Parser) printTrace(a ...interface{}) {
if !p.enableTrace {
return
}
const dots = ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "
const n = len(dots)
fmt.Printf("%5d:%3d: ", p.tok.Pos.Line, p.tok.Pos.Column)
i := 2 * p.indent
for i > n {
fmt.Print(dots)
i -= n
}
// i <= n
fmt.Print(dots[0:i])
fmt.Println(a...)
}
func trace(p *Parser, msg string) *Parser {
p.printTrace(msg, "(")
p.indent++
return p
}
// Usage pattern: defer un(trace(p, "..."))
func un(p *Parser) {
p.indent--
p.printTrace(")")
}

789
vendor/github.com/hashicorp/hcl/hcl/printer/nodes.go generated vendored
View File

@ -1,789 +0,0 @@
package printer
import (
"bytes"
"fmt"
"sort"
"github.com/hashicorp/hcl/hcl/ast"
"github.com/hashicorp/hcl/hcl/token"
)
const (
blank = byte(' ')
newline = byte('\n')
tab = byte('\t')
infinity = 1 << 30 // offset or line
)
var (
unindent = []byte("\uE123") // in the private use space
)
type printer struct {
cfg Config
prev token.Pos
comments []*ast.CommentGroup // may be nil, contains all comments
standaloneComments []*ast.CommentGroup // contains all standalone comments (not assigned to any node)
enableTrace bool
indentTrace int
}
type ByPosition []*ast.CommentGroup
func (b ByPosition) Len() int { return len(b) }
func (b ByPosition) Swap(i, j int) { b[i], b[j] = b[j], b[i] }
func (b ByPosition) Less(i, j int) bool { return b[i].Pos().Before(b[j].Pos()) }
// collectComments comments all standalone comments which are not lead or line
// comment
func (p *printer) collectComments(node ast.Node) {
// first collect all comments. This is already stored in
// ast.File.(comments)
ast.Walk(node, func(nn ast.Node) (ast.Node, bool) {
switch t := nn.(type) {
case *ast.File:
p.comments = t.Comments
return nn, false
}
return nn, true
})
standaloneComments := make(map[token.Pos]*ast.CommentGroup, 0)
for _, c := range p.comments {
standaloneComments[c.Pos()] = c
}
// next remove all lead and line comments from the overall comment map.
// This will give us comments which are standalone, comments which are not
// assigned to any kind of node.
ast.Walk(node, func(nn ast.Node) (ast.Node, bool) {
switch t := nn.(type) {
case *ast.LiteralType:
if t.LeadComment != nil {
for _, comment := range t.LeadComment.List {
if _, ok := standaloneComments[comment.Pos()]; ok {
delete(standaloneComments, comment.Pos())
}
}
}
if t.LineComment != nil {
for _, comment := range t.LineComment.List {
if _, ok := standaloneComments[comment.Pos()]; ok {
delete(standaloneComments, comment.Pos())
}
}
}
case *ast.ObjectItem:
if t.LeadComment != nil {
for _, comment := range t.LeadComment.List {
if _, ok := standaloneComments[comment.Pos()]; ok {
delete(standaloneComments, comment.Pos())
}
}
}
if t.LineComment != nil {
for _, comment := range t.LineComment.List {
if _, ok := standaloneComments[comment.Pos()]; ok {
delete(standaloneComments, comment.Pos())
}
}
}
}
return nn, true
})
for _, c := range standaloneComments {
p.standaloneComments = append(p.standaloneComments, c)
}
sort.Sort(ByPosition(p.standaloneComments))
}
// output prints creates b printable HCL output and returns it.
func (p *printer) output(n interface{}) []byte {
var buf bytes.Buffer
switch t := n.(type) {
case *ast.File:
// File doesn't trace so we add the tracing here
defer un(trace(p, "File"))
return p.output(t.Node)
case *ast.ObjectList:
defer un(trace(p, "ObjectList"))
var index int
for {
// Determine the location of the next actual non-comment
// item. If we're at the end, the next item is at "infinity"
var nextItem token.Pos
if index != len(t.Items) {
nextItem = t.Items[index].Pos()
} else {
nextItem = token.Pos{Offset: infinity, Line: infinity}
}
// Go through the standalone comments in the file and print out
// the comments that we should be for this object item.
for _, c := range p.standaloneComments {
// Go through all the comments in the group. The group
// should be printed together, not separated by double newlines.
printed := false
newlinePrinted := false
for _, comment := range c.List {
// We only care about comments after the previous item
// we've printed so that comments are printed in the
// correct locations (between two objects for example).
// And before the next item.
if comment.Pos().After(p.prev) && comment.Pos().Before(nextItem) {
// if we hit the end add newlines so we can print the comment
// we don't do this if prev is invalid which means the
// beginning of the file since the first comment should
// be at the first line.
if !newlinePrinted && p.prev.IsValid() && index == len(t.Items) {
buf.Write([]byte{newline, newline})
newlinePrinted = true
}
// Write the actual comment.
buf.WriteString(comment.Text)
buf.WriteByte(newline)
// Set printed to true to note that we printed something
printed = true
}
}
// If we're not at the last item, write a new line so
// that there is a newline separating this comment from
// the next object.
if printed && index != len(t.Items) {
buf.WriteByte(newline)
}
}
if index == len(t.Items) {
break
}
buf.Write(p.output(t.Items[index]))
if index != len(t.Items)-1 {
// Always write a newline to separate us from the next item
buf.WriteByte(newline)
// Need to determine if we're going to separate the next item
// with a blank line. The logic here is simple, though there
// are a few conditions:
//
// 1. The next object is more than one line away anyways,
// so we need an empty line.
//
// 2. The next object is not a "single line" object, so
// we need an empty line.
//
// 3. This current object is not a single line object,
// so we need an empty line.
current := t.Items[index]
next := t.Items[index+1]
if next.Pos().Line != t.Items[index].Pos().Line+1 ||
!p.isSingleLineObject(next) ||
!p.isSingleLineObject(current) {
buf.WriteByte(newline)
}
}
index++
}
case *ast.ObjectKey:
buf.WriteString(t.Token.Text)
case *ast.ObjectItem:
p.prev = t.Pos()
buf.Write(p.objectItem(t))
case *ast.LiteralType:
buf.Write(p.literalType(t))
case *ast.ListType:
buf.Write(p.list(t))
case *ast.ObjectType:
buf.Write(p.objectType(t))
default:
fmt.Printf(" unknown type: %T\n", n)
}
return buf.Bytes()
}
func (p *printer) literalType(lit *ast.LiteralType) []byte {
result := []byte(lit.Token.Text)
switch lit.Token.Type {
case token.HEREDOC:
// Clear the trailing newline from heredocs
if result[len(result)-1] == '\n' {
result = result[:len(result)-1]
}
// Poison lines 2+ so that we don't indent them
result = p.heredocIndent(result)
case token.STRING:
// If this is a multiline string, poison lines 2+ so we don't
// indent them.
if bytes.IndexRune(result, '\n') >= 0 {
result = p.heredocIndent(result)
}
}
return result
}
// objectItem returns the printable HCL form of an object item. An object type
// starts with one/multiple keys and has a value. The value might be of any
// type.
func (p *printer) objectItem(o *ast.ObjectItem) []byte {
defer un(trace(p, fmt.Sprintf("ObjectItem: %s", o.Keys[0].Token.Text)))
var buf bytes.Buffer
if o.LeadComment != nil {
for _, comment := range o.LeadComment.List {
buf.WriteString(comment.Text)
buf.WriteByte(newline)
}
}
// If key and val are on different lines, treat line comments like lead comments.
if o.LineComment != nil && o.Val.Pos().Line != o.Keys[0].Pos().Line {
for _, comment := range o.LineComment.List {
buf.WriteString(comment.Text)
buf.WriteByte(newline)
}
}
for i, k := range o.Keys {
buf.WriteString(k.Token.Text)
buf.WriteByte(blank)
// reach end of key
if o.Assign.IsValid() && i == len(o.Keys)-1 && len(o.Keys) == 1 {
buf.WriteString("=")
buf.WriteByte(blank)
}
}
buf.Write(p.output(o.Val))
if o.LineComment != nil && o.Val.Pos().Line == o.Keys[0].Pos().Line {
buf.WriteByte(blank)
for _, comment := range o.LineComment.List {
buf.WriteString(comment.Text)
}
}
return buf.Bytes()
}
// objectType returns the printable HCL form of an object type. An object type
// begins with a brace and ends with a brace.
func (p *printer) objectType(o *ast.ObjectType) []byte {
defer un(trace(p, "ObjectType"))
var buf bytes.Buffer
buf.WriteString("{")
var index int
var nextItem token.Pos
var commented, newlinePrinted bool
for {
// Determine the location of the next actual non-comment
// item. If we're at the end, the next item is the closing brace
if index != len(o.List.Items) {
nextItem = o.List.Items[index].Pos()
} else {
nextItem = o.Rbrace
}
// Go through the standalone comments in the file and print out
// the comments that we should be for this object item.
for _, c := range p.standaloneComments {
printed := false
var lastCommentPos token.Pos
for _, comment := range c.List {
// We only care about comments after the previous item
// we've printed so that comments are printed in the
// correct locations (between two objects for example).
// And before the next item.
if comment.Pos().After(p.prev) && comment.Pos().Before(nextItem) {
// If there are standalone comments and the initial newline has not
// been printed yet, do it now.
if !newlinePrinted {
newlinePrinted = true
buf.WriteByte(newline)
}
// add newline if it's between other printed nodes
if index > 0 {
commented = true
buf.WriteByte(newline)
}
// Store this position
lastCommentPos = comment.Pos()
// output the comment itself
buf.Write(p.indent(p.heredocIndent([]byte(comment.Text))))
// Set printed to true to note that we printed something
printed = true
/*
if index != len(o.List.Items) {
buf.WriteByte(newline) // do not print on the end
}
*/
}
}
// Stuff to do if we had comments
if printed {
// Always write a newline
buf.WriteByte(newline)
// If there is another item in the object and our comment
// didn't hug it directly, then make sure there is a blank
// line separating them.
if nextItem != o.Rbrace && nextItem.Line != lastCommentPos.Line+1 {
buf.WriteByte(newline)
}
}
}
if index == len(o.List.Items) {
p.prev = o.Rbrace
break
}
// At this point we are sure that it's not a totally empty block: print
// the initial newline if it hasn't been printed yet by the previous
// block about standalone comments.
if !newlinePrinted {
buf.WriteByte(newline)
newlinePrinted = true
}
// check if we have adjacent one liner items. If yes we'll going to align
// the comments.
var aligned []*ast.ObjectItem
for _, item := range o.List.Items[index:] {
// we don't group one line lists
if len(o.List.Items) == 1 {
break
}
// one means a oneliner with out any lead comment
// two means a oneliner with lead comment
// anything else might be something else
cur := lines(string(p.objectItem(item)))
if cur > 2 {
break
}
curPos := item.Pos()
nextPos := token.Pos{}
if index != len(o.List.Items)-1 {
nextPos = o.List.Items[index+1].Pos()
}
prevPos := token.Pos{}
if index != 0 {
prevPos = o.List.Items[index-1].Pos()
}
// fmt.Println("DEBUG ----------------")
// fmt.Printf("prev = %+v prevPos: %s\n", prev, prevPos)
// fmt.Printf("cur = %+v curPos: %s\n", cur, curPos)
// fmt.Printf("next = %+v nextPos: %s\n", next, nextPos)
if curPos.Line+1 == nextPos.Line {
aligned = append(aligned, item)
index++
continue
}
if curPos.Line-1 == prevPos.Line {
aligned = append(aligned, item)
index++
// finish if we have a new line or comment next. This happens
// if the next item is not adjacent
if curPos.Line+1 != nextPos.Line {
break
}
continue
}
break
}
// put newlines if the items are between other non aligned items.
// newlines are also added if there is a standalone comment already, so
// check it too
if !commented && index != len(aligned) {
buf.WriteByte(newline)
}
if len(aligned) >= 1 {
p.prev = aligned[len(aligned)-1].Pos()
items := p.alignedItems(aligned)
buf.Write(p.indent(items))
} else {
p.prev = o.List.Items[index].Pos()
buf.Write(p.indent(p.objectItem(o.List.Items[index])))
index++
}
buf.WriteByte(newline)
}
buf.WriteString("}")
return buf.Bytes()
}
func (p *printer) alignedItems(items []*ast.ObjectItem) []byte {
var buf bytes.Buffer
// find the longest key and value length, needed for alignment
var longestKeyLen int // longest key length
var longestValLen int // longest value length
for _, item := range items {
key := len(item.Keys[0].Token.Text)
val := len(p.output(item.Val))
if key > longestKeyLen {
longestKeyLen = key
}
if val > longestValLen {
longestValLen = val
}
}
for i, item := range items {
if item.LeadComment != nil {
for _, comment := range item.LeadComment.List {
buf.WriteString(comment.Text)
buf.WriteByte(newline)
}
}
for i, k := range item.Keys {
keyLen := len(k.Token.Text)
buf.WriteString(k.Token.Text)
for i := 0; i < longestKeyLen-keyLen+1; i++ {
buf.WriteByte(blank)
}
// reach end of key
if i == len(item.Keys)-1 && len(item.Keys) == 1 {
buf.WriteString("=")
buf.WriteByte(blank)
}
}
val := p.output(item.Val)
valLen := len(val)
buf.Write(val)
if item.Val.Pos().Line == item.Keys[0].Pos().Line && item.LineComment != nil {
for i := 0; i < longestValLen-valLen+1; i++ {
buf.WriteByte(blank)
}
for _, comment := range item.LineComment.List {
buf.WriteString(comment.Text)
}
}
// do not print for the last item
if i != len(items)-1 {
buf.WriteByte(newline)
}
}
return buf.Bytes()
}
// list returns the printable HCL form of an list type.
func (p *printer) list(l *ast.ListType) []byte {
if p.isSingleLineList(l) {
return p.singleLineList(l)
}
var buf bytes.Buffer
buf.WriteString("[")
buf.WriteByte(newline)
var longestLine int
for _, item := range l.List {
// for now we assume that the list only contains literal types
if lit, ok := item.(*ast.LiteralType); ok {
lineLen := len(lit.Token.Text)
if lineLen > longestLine {
longestLine = lineLen
}
}
}
haveEmptyLine := false
for i, item := range l.List {
// If we have a lead comment, then we want to write that first
leadComment := false
if lit, ok := item.(*ast.LiteralType); ok && lit.LeadComment != nil {
leadComment = true
// Ensure an empty line before every element with a
// lead comment (except the first item in a list).
if !haveEmptyLine && i != 0 {
buf.WriteByte(newline)
}
for _, comment := range lit.LeadComment.List {
buf.Write(p.indent([]byte(comment.Text)))
buf.WriteByte(newline)
}
}
// also indent each line
val := p.output(item)
curLen := len(val)
buf.Write(p.indent(val))
// if this item is a heredoc, then we output the comma on
// the next line. This is the only case this happens.
comma := []byte{','}
if lit, ok := item.(*ast.LiteralType); ok && lit.Token.Type == token.HEREDOC {
buf.WriteByte(newline)
comma = p.indent(comma)
}
buf.Write(comma)
if lit, ok := item.(*ast.LiteralType); ok && lit.LineComment != nil {
// if the next item doesn't have any comments, do not align
buf.WriteByte(blank) // align one space
for i := 0; i < longestLine-curLen; i++ {
buf.WriteByte(blank)
}
for _, comment := range lit.LineComment.List {
buf.WriteString(comment.Text)
}
}
buf.WriteByte(newline)
// Ensure an empty line after every element with a
// lead comment (except the first item in a list).
haveEmptyLine = leadComment && i != len(l.List)-1
if haveEmptyLine {
buf.WriteByte(newline)
}
}
buf.WriteString("]")
return buf.Bytes()
}
// isSingleLineList returns true if:
// * they were previously formatted entirely on one line
// * they consist entirely of literals
// * there are either no heredoc strings or the list has exactly one element
// * there are no line comments
func (printer) isSingleLineList(l *ast.ListType) bool {
for _, item := range l.List {
if item.Pos().Line != l.Lbrack.Line {
return false
}
lit, ok := item.(*ast.LiteralType)
if !ok {
return false
}
if lit.Token.Type == token.HEREDOC && len(l.List) != 1 {
return false
}
if lit.LineComment != nil {
return false
}
}
return true
}
// singleLineList prints a simple single line list.
// For a definition of "simple", see isSingleLineList above.
func (p *printer) singleLineList(l *ast.ListType) []byte {
buf := &bytes.Buffer{}
buf.WriteString("[")
for i, item := range l.List {
if i != 0 {
buf.WriteString(", ")
}
// Output the item itself
buf.Write(p.output(item))
// The heredoc marker needs to be at the end of line.
if lit, ok := item.(*ast.LiteralType); ok && lit.Token.Type == token.HEREDOC {
buf.WriteByte(newline)
}
}
buf.WriteString("]")
return buf.Bytes()
}
// indent indents the lines of the given buffer for each non-empty line
func (p *printer) indent(buf []byte) []byte {
var prefix []byte
if p.cfg.SpacesWidth != 0 {
for i := 0; i < p.cfg.SpacesWidth; i++ {
prefix = append(prefix, blank)
}
} else {
prefix = []byte{tab}
}
var res []byte
bol := true
for _, c := range buf {
if bol && c != '\n' {
res = append(res, prefix...)
}
res = append(res, c)
bol = c == '\n'
}
return res
}
// unindent removes all the indentation from the tombstoned lines
func (p *printer) unindent(buf []byte) []byte {
var res []byte
for i := 0; i < len(buf); i++ {
skip := len(buf)-i <= len(unindent)
if !skip {
skip = !bytes.Equal(unindent, buf[i:i+len(unindent)])
}
if skip {
res = append(res, buf[i])
continue
}
// We have a marker. we have to backtrace here and clean out
// any whitespace ahead of our tombstone up to a \n
for j := len(res) - 1; j >= 0; j-- {
if res[j] == '\n' {
break
}
res = res[:j]
}
// Skip the entire unindent marker
i += len(unindent) - 1
}
return res
}
// heredocIndent marks all the 2nd and further lines as unindentable
func (p *printer) heredocIndent(buf []byte) []byte {
var res []byte
bol := false
for _, c := range buf {
if bol && c != '\n' {
res = append(res, unindent...)
}
res = append(res, c)
bol = c == '\n'
}
return res
}
// isSingleLineObject tells whether the given object item is a single
// line object such as "obj {}".
//
// A single line object:
//
// * has no lead comments (hence multi-line)
// * has no assignment
// * has no values in the stanza (within {})
//
func (p *printer) isSingleLineObject(val *ast.ObjectItem) bool {
// If there is a lead comment, can't be one line
if val.LeadComment != nil {
return false
}
// If there is assignment, we always break by line
if val.Assign.IsValid() {
return false
}
// If it isn't an object type, then its not a single line object
ot, ok := val.Val.(*ast.ObjectType)
if !ok {
return false
}
// If the object has no items, it is single line!
return len(ot.List.Items) == 0
}
func lines(txt string) int {
endline := 1
for i := 0; i < len(txt); i++ {
if txt[i] == '\n' {
endline++
}
}
return endline
}
// ----------------------------------------------------------------------------
// Tracing support
func (p *printer) printTrace(a ...interface{}) {
if !p.enableTrace {
return
}
const dots = ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "
const n = len(dots)
i := 2 * p.indentTrace
for i > n {
fmt.Print(dots)
i -= n
}
// i <= n
fmt.Print(dots[0:i])
fmt.Println(a...)
}
func trace(p *printer, msg string) *printer {
p.printTrace(msg, "(")
p.indentTrace++
return p
}
// Usage pattern: defer un(trace(p, "..."))
func un(p *printer) {
p.indentTrace--
p.printTrace(")")
}

66
vendor/github.com/hashicorp/hcl/hcl/printer/printer.go generated vendored
View File

@ -1,66 +0,0 @@
// Package printer implements printing of AST nodes to HCL format.
package printer
import (
"bytes"
"io"
"text/tabwriter"
"github.com/hashicorp/hcl/hcl/ast"
"github.com/hashicorp/hcl/hcl/parser"
)
var DefaultConfig = Config{
SpacesWidth: 2,
}
// A Config node controls the output of Fprint.
type Config struct {
SpacesWidth int // if set, it will use spaces instead of tabs for alignment
}
func (c *Config) Fprint(output io.Writer, node ast.Node) error {
p := &printer{
cfg: *c,
comments: make([]*ast.CommentGroup, 0),
standaloneComments: make([]*ast.CommentGroup, 0),
// enableTrace: true,
}
p.collectComments(node)
if _, err := output.Write(p.unindent(p.output(node))); err != nil {
return err
}
// flush tabwriter, if any
var err error
if tw, _ := output.(*tabwriter.Writer); tw != nil {
err = tw.Flush()
}
return err
}
// Fprint "pretty-prints" an HCL node to output
// It calls Config.Fprint with default settings.
func Fprint(output io.Writer, node ast.Node) error {
return DefaultConfig.Fprint(output, node)
}
// Format formats src HCL and returns the result.
func Format(src []byte) ([]byte, error) {
node, err := parser.Parse(src)
if err != nil {
return nil, err
}
var buf bytes.Buffer
if err := DefaultConfig.Fprint(&buf, node); err != nil {
return nil, err
}
// Add trailing newline to result
buf.WriteString("\n")
return buf.Bytes(), nil
}

652
vendor/github.com/hashicorp/hcl/hcl/scanner/scanner.go generated vendored
View File

@ -1,652 +0,0 @@
// Package scanner implements a scanner for HCL (HashiCorp Configuration
// Language) source text.
package scanner
import (
"bytes"
"fmt"
"os"
"regexp"
"unicode"
"unicode/utf8"
"github.com/hashicorp/hcl/hcl/token"
)
// eof represents a marker rune for the end of the reader.
const eof = rune(0)
// Scanner defines a lexical scanner
type Scanner struct {
buf *bytes.Buffer // Source buffer for advancing and scanning
src []byte // Source buffer for immutable access
// Source Position
srcPos token.Pos // current position
prevPos token.Pos // previous position, used for peek() method
lastCharLen int // length of last character in bytes
lastLineLen int // length of last line in characters (for correct column reporting)
tokStart int // token text start position
tokEnd int // token text end position
// Error is called for each error encountered. If no Error
// function is set, the error is reported to os.Stderr.
Error func(pos token.Pos, msg string)
// ErrorCount is incremented by one for each error encountered.
ErrorCount int
// tokPos is the start position of most recently scanned token; set by
// Scan. The Filename field is always left untouched by the Scanner. If
// an error is reported (via Error) and Position is invalid, the scanner is
// not inside a token.
tokPos token.Pos
}
// New creates and initializes a new instance of Scanner using src as
// its source content.
func New(src []byte) *Scanner {
// even though we accept a src, we read from a io.Reader compatible type
// (*bytes.Buffer). So in the future we might easily change it to streaming
// read.
b := bytes.NewBuffer(src)
s := &Scanner{
buf: b,
src: src,
}
// srcPosition always starts with 1
s.srcPos.Line = 1
return s
}
// next reads the next rune from the bufferred reader. Returns the rune(0) if
// an error occurs (or io.EOF is returned).
func (s *Scanner) next() rune {
ch, size, err := s.buf.ReadRune()
if err != nil {
// advance for error reporting
s.srcPos.Column++
s.srcPos.Offset += size
s.lastCharLen = size
return eof
}
// remember last position
s.prevPos = s.srcPos
s.srcPos.Column++
s.lastCharLen = size
s.srcPos.Offset += size
if ch == utf8.RuneError && size == 1 {
s.err("illegal UTF-8 encoding")
return ch
}
if ch == '\n' {
s.srcPos.Line++
s.lastLineLen = s.srcPos.Column
s.srcPos.Column = 0
}
if ch == '\x00' {
s.err("unexpected null character (0x00)")
return eof
}
if ch == '\uE123' {
s.err("unicode code point U+E123 reserved for internal use")
return utf8.RuneError
}
// debug
// fmt.Printf("ch: %q, offset:column: %d:%d\n", ch, s.srcPos.Offset, s.srcPos.Column)
return ch
}
// unread unreads the previous read Rune and updates the source position
func (s *Scanner) unread() {
if err := s.buf.UnreadRune(); err != nil {
panic(err) // this is user fault, we should catch it
}
s.srcPos = s.prevPos // put back last position
}
// peek returns the next rune without advancing the reader.
func (s *Scanner) peek() rune {
peek, _, err := s.buf.ReadRune()
if err != nil {
return eof
}
s.buf.UnreadRune()
return peek
}
// Scan scans the next token and returns the token.
func (s *Scanner) Scan() token.Token {
ch := s.next()
// skip white space
for isWhitespace(ch) {
ch = s.next()
}
var tok token.Type
// token text markings
s.tokStart = s.srcPos.Offset - s.lastCharLen
// token position, initial next() is moving the offset by one(size of rune
// actually), though we are interested with the starting point
s.tokPos.Offset = s.srcPos.Offset - s.lastCharLen
if s.srcPos.Column > 0 {
// common case: last character was not a '\n'
s.tokPos.Line = s.srcPos.Line
s.tokPos.Column = s.srcPos.Column
} else {
// last character was a '\n'
// (we cannot be at the beginning of the source
// since we have called next() at least once)
s.tokPos.Line = s.srcPos.Line - 1
s.tokPos.Column = s.lastLineLen
}
switch {
case isLetter(ch):
tok = token.IDENT
lit := s.scanIdentifier()
if lit == "true" || lit == "false" {
tok = token.BOOL
}
case isDecimal(ch):
tok = s.scanNumber(ch)
default:
switch ch {
case eof:
tok = token.EOF
case '"':
tok = token.STRING
s.scanString()
case '#', '/':
tok = token.COMMENT
s.scanComment(ch)
case '.':
tok = token.PERIOD
ch = s.peek()
if isDecimal(ch) {
tok = token.FLOAT
ch = s.scanMantissa(ch)
ch = s.scanExponent(ch)
}
case '<':
tok = token.HEREDOC
s.scanHeredoc()
case '[':
tok = token.LBRACK
case ']':
tok = token.RBRACK
case '{':
tok = token.LBRACE
case '}':
tok = token.RBRACE
case ',':
tok = token.COMMA
case '=':
tok = token.ASSIGN
case '+':
tok = token.ADD
case '-':
if isDecimal(s.peek()) {
ch := s.next()
tok = s.scanNumber(ch)
} else {
tok = token.SUB
}
default:
s.err("illegal char")
}
}
// finish token ending
s.tokEnd = s.srcPos.Offset
// create token literal
var tokenText string
if s.tokStart >= 0 {
tokenText = string(s.src[s.tokStart:s.tokEnd])
}
s.tokStart = s.tokEnd // ensure idempotency of tokenText() call
return token.Token{
Type: tok,
Pos: s.tokPos,
Text: tokenText,
}
}
func (s *Scanner) scanComment(ch rune) {
// single line comments
if ch == '#' || (ch == '/' && s.peek() != '*') {
if ch == '/' && s.peek() != '/' {
s.err("expected '/' for comment")
return
}
ch = s.next()
for ch != '\n' && ch >= 0 && ch != eof {
ch = s.next()
}
if ch != eof && ch >= 0 {
s.unread()
}
return
}
// be sure we get the character after /* This allows us to find comment's
// that are not erminated
if ch == '/' {
s.next()
ch = s.next() // read character after "/*"
}
// look for /* - style comments
for {
if ch < 0 || ch == eof {
s.err("comment not terminated")
break
}
ch0 := ch
ch = s.next()
if ch0 == '*' && ch == '/' {
break
}
}
}
// scanNumber scans a HCL number definition starting with the given rune
func (s *Scanner) scanNumber(ch rune) token.Type {
if ch == '0' {
// check for hexadecimal, octal or float
ch = s.next()
if ch == 'x' || ch == 'X' {
// hexadecimal
ch = s.next()
found := false
for isHexadecimal(ch) {
ch = s.next()
found = true
}
if !found {
s.err("illegal hexadecimal number")
}
if ch != eof {
s.unread()
}
return token.NUMBER
}
// now it's either something like: 0421(octal) or 0.1231(float)
illegalOctal := false
for isDecimal(ch) {
ch = s.next()
if ch == '8' || ch == '9' {
// this is just a possibility. For example 0159 is illegal, but
// 0159.23 is valid. So we mark a possible illegal octal. If
// the next character is not a period, we'll print the error.
illegalOctal = true
}
}
if ch == 'e' || ch == 'E' {
ch = s.scanExponent(ch)
return token.FLOAT
}
if ch == '.' {
ch = s.scanFraction(ch)
if ch == 'e' || ch == 'E' {
ch = s.next()
ch = s.scanExponent(ch)
}
return token.FLOAT
}
if illegalOctal {
s.err("illegal octal number")
}
if ch != eof {
s.unread()
}
return token.NUMBER
}
s.scanMantissa(ch)
ch = s.next() // seek forward
if ch == 'e' || ch == 'E' {
ch = s.scanExponent(ch)
return token.FLOAT
}
if ch == '.' {
ch = s.scanFraction(ch)
if ch == 'e' || ch == 'E' {
ch = s.next()
ch = s.scanExponent(ch)
}
return token.FLOAT
}
if ch != eof {
s.unread()
}
return token.NUMBER
}
// scanMantissa scans the mantissa beginning from the rune. It returns the next
// non decimal rune. It's used to determine wheter it's a fraction or exponent.
func (s *Scanner) scanMantissa(ch rune) rune {
scanned := false
for isDecimal(ch) {
ch = s.next()
scanned = true
}
if scanned && ch != eof {
s.unread()
}
return ch
}
// scanFraction scans the fraction after the '.' rune
func (s *Scanner) scanFraction(ch rune) rune {
if ch == '.' {
ch = s.peek() // we peek just to see if we can move forward
ch = s.scanMantissa(ch)
}
return ch
}
// scanExponent scans the remaining parts of an exponent after the 'e' or 'E'
// rune.
func (s *Scanner) scanExponent(ch rune) rune {
if ch == 'e' || ch == 'E' {
ch = s.next()
if ch == '-' || ch == '+' {
ch = s.next()
}
ch = s.scanMantissa(ch)
}
return ch
}
// scanHeredoc scans a heredoc string
func (s *Scanner) scanHeredoc() {
// Scan the second '<' in example: '<<EOF'
if s.next() != '<' {
s.err("heredoc expected second '<', didn't see it")
return
}
// Get the original offset so we can read just the heredoc ident
offs := s.srcPos.Offset
// Scan the identifier
ch := s.next()
// Indented heredoc syntax
if ch == '-' {
ch = s.next()
}
for isLetter(ch) || isDigit(ch) {
ch = s.next()
}
// If we reached an EOF then that is not good
if ch == eof {
s.err("heredoc not terminated")
return
}
// Ignore the '\r' in Windows line endings
if ch == '\r' {
if s.peek() == '\n' {
ch = s.next()
}
}
// If we didn't reach a newline then that is also not good
if ch != '\n' {
s.err("invalid characters in heredoc anchor")
return
}
// Read the identifier
identBytes := s.src[offs : s.srcPos.Offset-s.lastCharLen]
if len(identBytes) == 0 || (len(identBytes) == 1 && identBytes[0] == '-') {
s.err("zero-length heredoc anchor")
return
}
var identRegexp *regexp.Regexp
if identBytes[0] == '-' {
identRegexp = regexp.MustCompile(fmt.Sprintf(`^[[:space:]]*%s\r*\z`, identBytes[1:]))
} else {
identRegexp = regexp.MustCompile(fmt.Sprintf(`^[[:space:]]*%s\r*\z`, identBytes))
}
// Read the actual string value
lineStart := s.srcPos.Offset
for {
ch := s.next()
// Special newline handling.
if ch == '\n' {
// Math is fast, so we first compare the byte counts to see if we have a chance
// of seeing the same identifier - if the length is less than the number of bytes
// in the identifier, this cannot be a valid terminator.
lineBytesLen := s.srcPos.Offset - s.lastCharLen - lineStart
if lineBytesLen >= len(identBytes) && identRegexp.Match(s.src[lineStart:s.srcPos.Offset-s.lastCharLen]) {
break
}
// Not an anchor match, record the start of a new line
lineStart = s.srcPos.Offset
}
if ch == eof {
s.err("heredoc not terminated")
return
}
}
return
}
// scanString scans a quoted string
func (s *Scanner) scanString() {
braces := 0
for {
// '"' opening already consumed
// read character after quote
ch := s.next()
if (ch == '\n' && braces == 0) || ch < 0 || ch == eof {
s.err("literal not terminated")
return
}
if ch == '"' && braces == 0 {
break
}
// If we're going into a ${} then we can ignore quotes for awhile
if braces == 0 && ch == '$' && s.peek() == '{' {
braces++
s.next()
} else if braces > 0 && ch == '{' {
braces++
}
if braces > 0 && ch == '}' {
braces--
}
if ch == '\\' {
s.scanEscape()
}
}
return
}
// scanEscape scans an escape sequence
func (s *Scanner) scanEscape() rune {
// http://en.cppreference.com/w/cpp/language/escape
ch := s.next() // read character after '/'
switch ch {
case 'a', 'b', 'f', 'n', 'r', 't', 'v', '\\', '"':
// nothing to do
case '0', '1', '2', '3', '4', '5', '6', '7':
// octal notation
ch = s.scanDigits(ch, 8, 3)
case 'x':
// hexademical notation
ch = s.scanDigits(s.next(), 16, 2)
case 'u':
// universal character name
ch = s.scanDigits(s.next(), 16, 4)
case 'U':
// universal character name
ch = s.scanDigits(s.next(), 16, 8)
default:
s.err("illegal char escape")
}
return ch
}
// scanDigits scans a rune with the given base for n times. For example an
// octal notation \184 would yield in scanDigits(ch, 8, 3)
func (s *Scanner) scanDigits(ch rune, base, n int) rune {
start := n
for n > 0 && digitVal(ch) < base {
ch = s.next()
if ch == eof {
// If we see an EOF, we halt any more scanning of digits
// immediately.
break
}
n--
}
if n > 0 {
s.err("illegal char escape")
}
if n != start && ch != eof {
// we scanned all digits, put the last non digit char back,
// only if we read anything at all
s.unread()
}
return ch
}
// scanIdentifier scans an identifier and returns the literal string
func (s *Scanner) scanIdentifier() string {
offs := s.srcPos.Offset - s.lastCharLen
ch := s.next()
for isLetter(ch) || isDigit(ch) || ch == '-' || ch == '.' {
ch = s.next()
}
if ch != eof {
s.unread() // we got identifier, put back latest char
}
return string(s.src[offs:s.srcPos.Offset])
}
// recentPosition returns the position of the character immediately after the
// character or token returned by the last call to Scan.
func (s *Scanner) recentPosition() (pos token.Pos) {
pos.Offset = s.srcPos.Offset - s.lastCharLen
switch {
case s.srcPos.Column > 0:
// common case: last character was not a '\n'
pos.Line = s.srcPos.Line
pos.Column = s.srcPos.Column
case s.lastLineLen > 0:
// last character was a '\n'
// (we cannot be at the beginning of the source
// since we have called next() at least once)
pos.Line = s.srcPos.Line - 1
pos.Column = s.lastLineLen
default:
// at the beginning of the source
pos.Line = 1
pos.Column = 1
}
return
}
// err prints the error of any scanning to s.Error function. If the function is
// not defined, by default it prints them to os.Stderr
func (s *Scanner) err(msg string) {
s.ErrorCount++
pos := s.recentPosition()
if s.Error != nil {
s.Error(pos, msg)
return
}
fmt.Fprintf(os.Stderr, "%s: %s\n", pos, msg)
}
// isHexadecimal returns true if the given rune is a letter
func isLetter(ch rune) bool {
return 'a' <= ch && ch <= 'z' || 'A' <= ch && ch <= 'Z' || ch == '_' || ch >= 0x80 && unicode.IsLetter(ch)
}
// isDigit returns true if the given rune is a decimal digit
func isDigit(ch rune) bool {
return '0' <= ch && ch <= '9' || ch >= 0x80 && unicode.IsDigit(ch)
}
// isDecimal returns true if the given rune is a decimal number
func isDecimal(ch rune) bool {
return '0' <= ch && ch <= '9'
}
// isHexadecimal returns true if the given rune is an hexadecimal number
func isHexadecimal(ch rune) bool {
return '0' <= ch && ch <= '9' || 'a' <= ch && ch <= 'f' || 'A' <= ch && ch <= 'F'
}
// isWhitespace returns true if the rune is a space, tab, newline or carriage return
func isWhitespace(ch rune) bool {
return ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r'
}
// digitVal returns the integer value of a given octal,decimal or hexadecimal rune
func digitVal(ch rune) int {
switch {
case '0' <= ch && ch <= '9':
return int(ch - '0')
case 'a' <= ch && ch <= 'f':
return int(ch - 'a' + 10)
case 'A' <= ch && ch <= 'F':
return int(ch - 'A' + 10)
}
return 16 // larger than any legal digit val
}

241
vendor/github.com/hashicorp/hcl/hcl/strconv/quote.go generated vendored
View File

@ -1,241 +0,0 @@
package strconv
import (
"errors"
"unicode/utf8"
)
// ErrSyntax indicates that a value does not have the right syntax for the target type.
var ErrSyntax = errors.New("invalid syntax")
// Unquote interprets s as a single-quoted, double-quoted,
// or backquoted Go string literal, returning the string value
// that s quotes. (If s is single-quoted, it would be a Go
// character literal; Unquote returns the corresponding
// one-character string.)
func Unquote(s string) (t string, err error) {
n := len(s)
if n < 2 {
return "", ErrSyntax
}
quote := s[0]
if quote != s[n-1] {
return "", ErrSyntax
}
s = s[1 : n-1]
if quote != '"' {
return "", ErrSyntax
}
if !contains(s, '$') && !contains(s, '{') && contains(s, '\n') {
return "", ErrSyntax
}
// Is it trivial? Avoid allocation.
if !contains(s, '\\') && !contains(s, quote) && !contains(s, '$') {
switch quote {
case '"':
return s, nil
case '\'':
r, size := utf8.DecodeRuneInString(s)
if size == len(s) && (r != utf8.RuneError || size != 1) {
return s, nil
}
}
}
var runeTmp [utf8.UTFMax]byte
buf := make([]byte, 0, 3*len(s)/2) // Try to avoid more allocations.
for len(s) > 0 {
// If we're starting a '${}' then let it through un-unquoted.
// Specifically: we don't unquote any characters within the `${}`
// section.
if s[0] == '$' && len(s) > 1 && s[1] == '{' {
buf = append(buf, '$', '{')
s = s[2:]
// Continue reading until we find the closing brace, copying as-is
braces := 1
for len(s) > 0 && braces > 0 {
r, size := utf8.DecodeRuneInString(s)
if r == utf8.RuneError {
return "", ErrSyntax
}
s = s[size:]
n := utf8.EncodeRune(runeTmp[:], r)
buf = append(buf, runeTmp[:n]...)
switch r {
case '{':
braces++
case '}':
braces--
}
}
if braces != 0 {
return "", ErrSyntax
}
if len(s) == 0 {
// If there's no string left, we're done!
break
} else {
// If there's more left, we need to pop back up to the top of the loop
// in case there's another interpolation in this string.
continue
}
}
if s[0] == '\n' {
return "", ErrSyntax
}
c, multibyte, ss, err := unquoteChar(s, quote)
if err != nil {
return "", err
}
s = ss
if c < utf8.RuneSelf || !multibyte {
buf = append(buf, byte(c))
} else {
n := utf8.EncodeRune(runeTmp[:], c)
buf = append(buf, runeTmp[:n]...)
}
if quote == '\'' && len(s) != 0 {
// single-quoted must be single character
return "", ErrSyntax
}
}
return string(buf), nil
}
// contains reports whether the string contains the byte c.
func contains(s string, c byte) bool {
for i := 0; i < len(s); i++ {
if s[i] == c {
return true
}
}
return false
}
func unhex(b byte) (v rune, ok bool) {
c := rune(b)
switch {
case '0' <= c && c <= '9':
return c - '0', true
case 'a' <= c && c <= 'f':
return c - 'a' + 10, true
case 'A' <= c && c <= 'F':
return c - 'A' + 10, true
}
return
}
func unquoteChar(s string, quote byte) (value rune, multibyte bool, tail string, err error) {
// easy cases
switch c := s[0]; {
case c == quote && (quote == '\'' || quote == '"'):
err = ErrSyntax
return
case c >= utf8.RuneSelf:
r, size := utf8.DecodeRuneInString(s)
return r, true, s[size:], nil
case c != '\\':
return rune(s[0]), false, s[1:], nil
}
// hard case: c is backslash
if len(s) <= 1 {
err = ErrSyntax
return
}
c := s[1]
s = s[2:]
switch c {
case 'a':
value = '\a'
case 'b':
value = '\b'
case 'f':
value = '\f'
case 'n':
value = '\n'
case 'r':
value = '\r'
case 't':
value = '\t'
case 'v':
value = '\v'
case 'x', 'u', 'U':
n := 0
switch c {
case 'x':
n = 2
case 'u':
n = 4
case 'U':
n = 8
}
var v rune
if len(s) < n {
err = ErrSyntax
return
}
for j := 0; j < n; j++ {
x, ok := unhex(s[j])
if !ok {
err = ErrSyntax
return
}
v = v<<4 | x
}
s = s[n:]
if c == 'x' {
// single-byte string, possibly not UTF-8
value = v
break
}
if v > utf8.MaxRune {
err = ErrSyntax
return
}
value = v
multibyte = true
case '0', '1', '2', '3', '4', '5', '6', '7':
v := rune(c) - '0'
if len(s) < 2 {
err = ErrSyntax
return
}
for j := 0; j < 2; j++ { // one digit already; two more
x := rune(s[j]) - '0'
if x < 0 || x > 7 {
err = ErrSyntax
return
}
v = (v << 3) | x
}
s = s[2:]
if v > 255 {
err = ErrSyntax
return
}
value = v
case '\\':
value = '\\'
case '\'', '"':
if c != quote {
err = ErrSyntax
return
}
value = rune(c)
default:
err = ErrSyntax
return
}
tail = s
return
}

46
vendor/github.com/hashicorp/hcl/hcl/token/position.go generated vendored
View File

@ -1,46 +0,0 @@
package token
import "fmt"
// Pos describes an arbitrary source position
// including the file, line, and column location.
// A Position is valid if the line number is > 0.
type Pos struct {
Filename string // filename, if any
Offset int // offset, starting at 0
Line int // line number, starting at 1
Column int // column number, starting at 1 (character count)
}
// IsValid returns true if the position is valid.
func (p *Pos) IsValid() bool { return p.Line > 0 }
// String returns a string in one of several forms:
//
// file:line:column valid position with file name
// line:column valid position without file name
// file invalid position with file name
// - invalid position without file name
func (p Pos) String() string {
s := p.Filename
if p.IsValid() {
if s != "" {
s += ":"
}
s += fmt.Sprintf("%d:%d", p.Line, p.Column)
}
if s == "" {
s = "-"
}
return s
}
// Before reports whether the position p is before u.
func (p Pos) Before(u Pos) bool {
return u.Offset > p.Offset || u.Line > p.Line
}
// After reports whether the position p is after u.
func (p Pos) After(u Pos) bool {
return u.Offset < p.Offset || u.Line < p.Line
}

219
vendor/github.com/hashicorp/hcl/hcl/token/token.go generated vendored
View File

@ -1,219 +0,0 @@
// Package token defines constants representing the lexical tokens for HCL
// (HashiCorp Configuration Language)
package token
import (
"fmt"
"strconv"
"strings"
hclstrconv "github.com/hashicorp/hcl/hcl/strconv"
)
// Token defines a single HCL token which can be obtained via the Scanner
type Token struct {
Type Type
Pos Pos
Text string
JSON bool
}
// Type is the set of lexical tokens of the HCL (HashiCorp Configuration Language)
type Type int
const (
// Special tokens
ILLEGAL Type = iota
EOF
COMMENT
identifier_beg
IDENT // literals
literal_beg
NUMBER // 12345
FLOAT // 123.45
BOOL // true,false
STRING // "abc"
HEREDOC // <<FOO\nbar\nFOO
literal_end
identifier_end
operator_beg
LBRACK // [
LBRACE // {
COMMA // ,
PERIOD // .
RBRACK // ]
RBRACE // }
ASSIGN // =
ADD // +
SUB // -
operator_end
)
var tokens = [...]string{
ILLEGAL: "ILLEGAL",
EOF: "EOF",
COMMENT: "COMMENT",
IDENT: "IDENT",
NUMBER: "NUMBER",
FLOAT: "FLOAT",
BOOL: "BOOL",
STRING: "STRING",
LBRACK: "LBRACK",
LBRACE: "LBRACE",
COMMA: "COMMA",
PERIOD: "PERIOD",
HEREDOC: "HEREDOC",
RBRACK: "RBRACK",
RBRACE: "RBRACE",
ASSIGN: "ASSIGN",
ADD: "ADD",
SUB: "SUB",
}
// String returns the string corresponding to the token tok.
func (t Type) String() string {
s := ""
if 0 <= t && t < Type(len(tokens)) {
s = tokens[t]
}
if s == "" {
s = "token(" + strconv.Itoa(int(t)) + ")"
}
return s
}
// IsIdentifier returns true for tokens corresponding to identifiers and basic
// type literals; it returns false otherwise.
func (t Type) IsIdentifier() bool { return identifier_beg < t && t < identifier_end }
// IsLiteral returns true for tokens corresponding to basic type literals; it
// returns false otherwise.
func (t Type) IsLiteral() bool { return literal_beg < t && t < literal_end }
// IsOperator returns true for tokens corresponding to operators and
// delimiters; it returns false otherwise.
func (t Type) IsOperator() bool { return operator_beg < t && t < operator_end }
// String returns the token's literal text. Note that this is only
// applicable for certain token types, such as token.IDENT,
// token.STRING, etc..
func (t Token) String() string {
return fmt.Sprintf("%s %s %s", t.Pos.String(), t.Type.String(), t.Text)
}
// Value returns the properly typed value for this token. The type of
// the returned interface{} is guaranteed based on the Type field.
//
// This can only be called for literal types. If it is called for any other
// type, this will panic.
func (t Token) Value() interface{} {
switch t.Type {
case BOOL:
if t.Text == "true" {
return true
} else if t.Text == "false" {
return false
}
panic("unknown bool value: " + t.Text)
case FLOAT:
v, err := strconv.ParseFloat(t.Text, 64)
if err != nil {
panic(err)
}
return float64(v)
case NUMBER:
v, err := strconv.ParseInt(t.Text, 0, 64)
if err != nil {
panic(err)
}
return int64(v)
case IDENT:
return t.Text
case HEREDOC:
return unindentHeredoc(t.Text)
case STRING:
// Determine the Unquote method to use. If it came from JSON,
// then we need to use the built-in unquote since we have to
// escape interpolations there.
f := hclstrconv.Unquote
if t.JSON {
f = strconv.Unquote
}
// This case occurs if json null is used
if t.Text == "" {
return ""
}
v, err := f(t.Text)
if err != nil {
panic(fmt.Sprintf("unquote %s err: %s", t.Text, err))
}
return v
default:
panic(fmt.Sprintf("unimplemented Value for type: %s", t.Type))
}
}
// unindentHeredoc returns the string content of a HEREDOC if it is started with <<
// and the content of a HEREDOC with the hanging indent removed if it is started with
// a <<-, and the terminating line is at least as indented as the least indented line.
func unindentHeredoc(heredoc string) string {
// We need to find the end of the marker
idx := strings.IndexByte(heredoc, '\n')
if idx == -1 {
panic("heredoc doesn't contain newline")
}
unindent := heredoc[2] == '-'
// We can optimize if the heredoc isn't marked for indentation
if !unindent {
return string(heredoc[idx+1 : len(heredoc)-idx+1])
}
// We need to unindent each line based on the indentation level of the marker
lines := strings.Split(string(heredoc[idx+1:len(heredoc)-idx+2]), "\n")
whitespacePrefix := lines[len(lines)-1]
isIndented := true
for _, v := range lines {
if strings.HasPrefix(v, whitespacePrefix) {
continue
}
isIndented = false
break
}
// If all lines are not at least as indented as the terminating mark, return the
// heredoc as is, but trim the leading space from the marker on the final line.
if !isIndented {
return strings.TrimRight(string(heredoc[idx+1:len(heredoc)-idx+1]), " \t")
}
unindentedLines := make([]string, len(lines))
for k, v := range lines {
if k == len(lines)-1 {
unindentedLines[k] = ""
break
}
unindentedLines[k] = strings.TrimPrefix(v, whitespacePrefix)
}
return strings.Join(unindentedLines, "\n")
}

117
vendor/github.com/hashicorp/hcl/json/parser/flatten.go generated vendored
View File

@ -1,117 +0,0 @@
package parser
import "github.com/hashicorp/hcl/hcl/ast"
// flattenObjects takes an AST node, walks it, and flattens
func flattenObjects(node ast.Node) {
ast.Walk(node, func(n ast.Node) (ast.Node, bool) {
// We only care about lists, because this is what we modify
list, ok := n.(*ast.ObjectList)
if !ok {
return n, true
}
// Rebuild the item list
items := make([]*ast.ObjectItem, 0, len(list.Items))
frontier := make([]*ast.ObjectItem, len(list.Items))
copy(frontier, list.Items)
for len(frontier) > 0 {
// Pop the current item
n := len(frontier)
item := frontier[n-1]
frontier = frontier[:n-1]
switch v := item.Val.(type) {
case *ast.ObjectType:
items, frontier = flattenObjectType(v, item, items, frontier)
case *ast.ListType:
items, frontier = flattenListType(v, item, items, frontier)
default:
items = append(items, item)
}
}
// Reverse the list since the frontier model runs things backwards
for i := len(items)/2 - 1; i >= 0; i-- {
opp := len(items) - 1 - i
items[i], items[opp] = items[opp], items[i]
}
// Done! Set the original items
list.Items = items
return n, true
})
}
func flattenListType(
ot *ast.ListType,
item *ast.ObjectItem,
items []*ast.ObjectItem,
frontier []*ast.ObjectItem) ([]*ast.ObjectItem, []*ast.ObjectItem) {
// If the list is empty, keep the original list
if len(ot.List) == 0 {
items = append(items, item)
return items, frontier
}
// All the elements of this object must also be objects!
for _, subitem := range ot.List {
if _, ok := subitem.(*ast.ObjectType); !ok {
items = append(items, item)
return items, frontier
}
}
// Great! We have a match go through all the items and flatten
for _, elem := range ot.List {
// Add it to the frontier so that we can recurse
frontier = append(frontier, &ast.ObjectItem{
Keys: item.Keys,
Assign: item.Assign,
Val: elem,
LeadComment: item.LeadComment,
LineComment: item.LineComment,
})
}
return items, frontier
}
func flattenObjectType(
ot *ast.ObjectType,
item *ast.ObjectItem,
items []*ast.ObjectItem,
frontier []*ast.ObjectItem) ([]*ast.ObjectItem, []*ast.ObjectItem) {
// If the list has no items we do not have to flatten anything
if ot.List.Items == nil {
items = append(items, item)
return items, frontier
}
// All the elements of this object must also be objects!
for _, subitem := range ot.List.Items {
if _, ok := subitem.Val.(*ast.ObjectType); !ok {
items = append(items, item)
return items, frontier
}
}
// Great! We have a match go through all the items and flatten
for _, subitem := range ot.List.Items {
// Copy the new key
keys := make([]*ast.ObjectKey, len(item.Keys)+len(subitem.Keys))
copy(keys, item.Keys)
copy(keys[len(item.Keys):], subitem.Keys)
// Add it to the frontier so that we can recurse
frontier = append(frontier, &ast.ObjectItem{
Keys: keys,
Assign: item.Assign,
Val: subitem.Val,
LeadComment: item.LeadComment,
LineComment: item.LineComment,
})
}
return items, frontier
}

313
vendor/github.com/hashicorp/hcl/json/parser/parser.go generated vendored
View File

@ -1,313 +0,0 @@
package parser
import (
"errors"
"fmt"
"github.com/hashicorp/hcl/hcl/ast"
hcltoken "github.com/hashicorp/hcl/hcl/token"
"github.com/hashicorp/hcl/json/scanner"
"github.com/hashicorp/hcl/json/token"
)
type Parser struct {
sc *scanner.Scanner
// Last read token
tok token.Token
commaPrev token.Token
enableTrace bool
indent int
n int // buffer size (max = 1)
}
func newParser(src []byte) *Parser {
return &Parser{
sc: scanner.New(src),
}
}
// Parse returns the fully parsed source and returns the abstract syntax tree.
func Parse(src []byte) (*ast.File, error) {
p := newParser(src)
return p.Parse()
}
var errEofToken = errors.New("EOF token found")
// Parse returns the fully parsed source and returns the abstract syntax tree.
func (p *Parser) Parse() (*ast.File, error) {
f := &ast.File{}
var err, scerr error
p.sc.Error = func(pos token.Pos, msg string) {
scerr = fmt.Errorf("%s: %s", pos, msg)
}
// The root must be an object in JSON
object, err := p.object()
if scerr != nil {
return nil, scerr
}
if err != nil {
return nil, err
}
// We make our final node an object list so it is more HCL compatible
f.Node = object.List
// Flatten it, which finds patterns and turns them into more HCL-like
// AST trees.
flattenObjects(f.Node)
return f, nil
}
func (p *Parser) objectList() (*ast.ObjectList, error) {
defer un(trace(p, "ParseObjectList"))
node := &ast.ObjectList{}
for {
n, err := p.objectItem()
if err == errEofToken {
break // we are finished
}
// we don't return a nil node, because might want to use already
// collected items.
if err != nil {
return node, err
}
node.Add(n)
// Check for a followup comma. If it isn't a comma, then we're done
if tok := p.scan(); tok.Type != token.COMMA {
break
}
}
return node, nil
}
// objectItem parses a single object item
func (p *Parser) objectItem() (*ast.ObjectItem, error) {
defer un(trace(p, "ParseObjectItem"))
keys, err := p.objectKey()
if err != nil {
return nil, err
}
o := &ast.ObjectItem{
Keys: keys,
}
switch p.tok.Type {
case token.COLON:
pos := p.tok.Pos
o.Assign = hcltoken.Pos{
Filename: pos.Filename,
Offset: pos.Offset,
Line: pos.Line,
Column: pos.Column,
}
o.Val, err = p.objectValue()
if err != nil {
return nil, err
}
}
return o, nil
}
// objectKey parses an object key and returns a ObjectKey AST
func (p *Parser) objectKey() ([]*ast.ObjectKey, error) {
keyCount := 0
keys := make([]*ast.ObjectKey, 0)
for {
tok := p.scan()
switch tok.Type {
case token.EOF:
return nil, errEofToken
case token.STRING:
keyCount++
keys = append(keys, &ast.ObjectKey{
Token: p.tok.HCLToken(),
})
case token.COLON:
// If we have a zero keycount it means that we never got
// an object key, i.e. `{ :`. This is a syntax error.
if keyCount == 0 {
return nil, fmt.Errorf("expected: STRING got: %s", p.tok.Type)
}
// Done
return keys, nil
case token.ILLEGAL:
return nil, errors.New("illegal")
default:
return nil, fmt.Errorf("expected: STRING got: %s", p.tok.Type)
}
}
}
// object parses any type of object, such as number, bool, string, object or
// list.
func (p *Parser) objectValue() (ast.Node, error) {
defer un(trace(p, "ParseObjectValue"))
tok := p.scan()
switch tok.Type {
case token.NUMBER, token.FLOAT, token.BOOL, token.NULL, token.STRING:
return p.literalType()
case token.LBRACE:
return p.objectType()
case token.LBRACK:
return p.listType()
case token.EOF:
return nil, errEofToken
}
return nil, fmt.Errorf("Expected object value, got unknown token: %+v", tok)
}
// object parses any type of object, such as number, bool, string, object or
// list.
func (p *Parser) object() (*ast.ObjectType, error) {
defer un(trace(p, "ParseType"))
tok := p.scan()
switch tok.Type {
case token.LBRACE:
return p.objectType()
case token.EOF:
return nil, errEofToken
}
return nil, fmt.Errorf("Expected object, got unknown token: %+v", tok)
}
// objectType parses an object type and returns a ObjectType AST
func (p *Parser) objectType() (*ast.ObjectType, error) {
defer un(trace(p, "ParseObjectType"))
// we assume that the currently scanned token is a LBRACE
o := &ast.ObjectType{}
l, err := p.objectList()
// if we hit RBRACE, we are good to go (means we parsed all Items), if it's
// not a RBRACE, it's an syntax error and we just return it.
if err != nil && p.tok.Type != token.RBRACE {
return nil, err
}
o.List = l
return o, nil
}
// listType parses a list type and returns a ListType AST
func (p *Parser) listType() (*ast.ListType, error) {
defer un(trace(p, "ParseListType"))
// we assume that the currently scanned token is a LBRACK
l := &ast.ListType{}
for {
tok := p.scan()
switch tok.Type {
case token.NUMBER, token.FLOAT, token.STRING:
node, err := p.literalType()
if err != nil {
return nil, err
}
l.Add(node)
case token.COMMA:
continue
case token.LBRACE:
node, err := p.objectType()
if err != nil {
return nil, err
}
l.Add(node)
case token.BOOL:
// TODO(arslan) should we support? not supported by HCL yet
case token.LBRACK:
// TODO(arslan) should we support nested lists? Even though it's
// written in README of HCL, it's not a part of the grammar
// (not defined in parse.y)
case token.RBRACK:
// finished
return l, nil
default:
return nil, fmt.Errorf("unexpected token while parsing list: %s", tok.Type)
}
}
}
// literalType parses a literal type and returns a LiteralType AST
func (p *Parser) literalType() (*ast.LiteralType, error) {
defer un(trace(p, "ParseLiteral"))
return &ast.LiteralType{
Token: p.tok.HCLToken(),
}, nil
}
// scan returns the next token from the underlying scanner. If a token has
// been unscanned then read that instead.
func (p *Parser) scan() token.Token {
// If we have a token on the buffer, then return it.
if p.n != 0 {
p.n = 0
return p.tok
}
p.tok = p.sc.Scan()
return p.tok
}
// unscan pushes the previously read token back onto the buffer.
func (p *Parser) unscan() {
p.n = 1
}
// ----------------------------------------------------------------------------
// Parsing support
func (p *Parser) printTrace(a ...interface{}) {
if !p.enableTrace {
return
}
const dots = ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "
const n = len(dots)
fmt.Printf("%5d:%3d: ", p.tok.Pos.Line, p.tok.Pos.Column)
i := 2 * p.indent
for i > n {
fmt.Print(dots)
i -= n
}
// i <= n
fmt.Print(dots[0:i])
fmt.Println(a...)
}
func trace(p *Parser, msg string) *Parser {
p.printTrace(msg, "(")
p.indent++
return p
}
// Usage pattern: defer un(trace(p, "..."))
func un(p *Parser) {
p.indent--
p.printTrace(")")
}

451
vendor/github.com/hashicorp/hcl/json/scanner/scanner.go generated vendored
View File

@ -1,451 +0,0 @@
package scanner
import (
"bytes"
"fmt"
"os"
"unicode"
"unicode/utf8"
"github.com/hashicorp/hcl/json/token"
)
// eof represents a marker rune for the end of the reader.
const eof = rune(0)
// Scanner defines a lexical scanner
type Scanner struct {
buf *bytes.Buffer // Source buffer for advancing and scanning
src []byte // Source buffer for immutable access
// Source Position
srcPos token.Pos // current position
prevPos token.Pos // previous position, used for peek() method
lastCharLen int // length of last character in bytes
lastLineLen int // length of last line in characters (for correct column reporting)
tokStart int // token text start position
tokEnd int // token text end position
// Error is called for each error encountered. If no Error
// function is set, the error is reported to os.Stderr.
Error func(pos token.Pos, msg string)
// ErrorCount is incremented by one for each error encountered.
ErrorCount int
// tokPos is the start position of most recently scanned token; set by
// Scan. The Filename field is always left untouched by the Scanner. If
// an error is reported (via Error) and Position is invalid, the scanner is
// not inside a token.
tokPos token.Pos
}
// New creates and initializes a new instance of Scanner using src as
// its source content.
func New(src []byte) *Scanner {
// even though we accept a src, we read from a io.Reader compatible type
// (*bytes.Buffer). So in the future we might easily change it to streaming
// read.
b := bytes.NewBuffer(src)
s := &Scanner{
buf: b,
src: src,
}
// srcPosition always starts with 1
s.srcPos.Line = 1
return s
}
// next reads the next rune from the bufferred reader. Returns the rune(0) if
// an error occurs (or io.EOF is returned).
func (s *Scanner) next() rune {
ch, size, err := s.buf.ReadRune()
if err != nil {
// advance for error reporting
s.srcPos.Column++
s.srcPos.Offset += size
s.lastCharLen = size
return eof
}
if ch == utf8.RuneError && size == 1 {
s.srcPos.Column++
s.srcPos.Offset += size
s.lastCharLen = size
s.err("illegal UTF-8 encoding")
return ch
}
// remember last position
s.prevPos = s.srcPos
s.srcPos.Column++
s.lastCharLen = size
s.srcPos.Offset += size
if ch == '\n' {
s.srcPos.Line++
s.lastLineLen = s.srcPos.Column
s.srcPos.Column = 0
}
// debug
// fmt.Printf("ch: %q, offset:column: %d:%d\n", ch, s.srcPos.Offset, s.srcPos.Column)
return ch
}
// unread unreads the previous read Rune and updates the source position
func (s *Scanner) unread() {
if err := s.buf.UnreadRune(); err != nil {
panic(err) // this is user fault, we should catch it
}
s.srcPos = s.prevPos // put back last position
}
// peek returns the next rune without advancing the reader.
func (s *Scanner) peek() rune {
peek, _, err := s.buf.ReadRune()
if err != nil {
return eof
}
s.buf.UnreadRune()
return peek
}
// Scan scans the next token and returns the token.
func (s *Scanner) Scan() token.Token {
ch := s.next()
// skip white space
for isWhitespace(ch) {
ch = s.next()
}
var tok token.Type
// token text markings
s.tokStart = s.srcPos.Offset - s.lastCharLen
// token position, initial next() is moving the offset by one(size of rune
// actually), though we are interested with the starting point
s.tokPos.Offset = s.srcPos.Offset - s.lastCharLen
if s.srcPos.Column > 0 {
// common case: last character was not a '\n'
s.tokPos.Line = s.srcPos.Line
s.tokPos.Column = s.srcPos.Column
} else {
// last character was a '\n'
// (we cannot be at the beginning of the source
// since we have called next() at least once)
s.tokPos.Line = s.srcPos.Line - 1
s.tokPos.Column = s.lastLineLen
}
switch {
case isLetter(ch):
lit := s.scanIdentifier()
if lit == "true" || lit == "false" {
tok = token.BOOL
} else if lit == "null" {
tok = token.NULL
} else {
s.err("illegal char")
}
case isDecimal(ch):
tok = s.scanNumber(ch)
default:
switch ch {
case eof:
tok = token.EOF
case '"':
tok = token.STRING
s.scanString()
case '.':
tok = token.PERIOD
ch = s.peek()
if isDecimal(ch) {
tok = token.FLOAT
ch = s.scanMantissa(ch)
ch = s.scanExponent(ch)
}
case '[':
tok = token.LBRACK
case ']':
tok = token.RBRACK
case '{':
tok = token.LBRACE
case '}':
tok = token.RBRACE
case ',':
tok = token.COMMA
case ':':
tok = token.COLON
case '-':
if isDecimal(s.peek()) {
ch := s.next()
tok = s.scanNumber(ch)
} else {
s.err("illegal char")
}
default:
s.err("illegal char: " + string(ch))
}
}
// finish token ending
s.tokEnd = s.srcPos.Offset
// create token literal
var tokenText string
if s.tokStart >= 0 {
tokenText = string(s.src[s.tokStart:s.tokEnd])
}
s.tokStart = s.tokEnd // ensure idempotency of tokenText() call
return token.Token{
Type: tok,
Pos: s.tokPos,
Text: tokenText,
}
}
// scanNumber scans a HCL number definition starting with the given rune
func (s *Scanner) scanNumber(ch rune) token.Type {
zero := ch == '0'
pos := s.srcPos
s.scanMantissa(ch)
ch = s.next() // seek forward
if ch == 'e' || ch == 'E' {
ch = s.scanExponent(ch)
return token.FLOAT
}
if ch == '.' {
ch = s.scanFraction(ch)
if ch == 'e' || ch == 'E' {
ch = s.next()
ch = s.scanExponent(ch)
}
return token.FLOAT
}
if ch != eof {
s.unread()
}
// If we have a larger number and this is zero, error
if zero && pos != s.srcPos {
s.err("numbers cannot start with 0")
}
return token.NUMBER
}
// scanMantissa scans the mantissa beginning from the rune. It returns the next
// non decimal rune. It's used to determine wheter it's a fraction or exponent.
func (s *Scanner) scanMantissa(ch rune) rune {
scanned := false
for isDecimal(ch) {
ch = s.next()
scanned = true
}
if scanned && ch != eof {
s.unread()
}
return ch
}
// scanFraction scans the fraction after the '.' rune
func (s *Scanner) scanFraction(ch rune) rune {
if ch == '.' {
ch = s.peek() // we peek just to see if we can move forward
ch = s.scanMantissa(ch)
}
return ch
}
// scanExponent scans the remaining parts of an exponent after the 'e' or 'E'
// rune.
func (s *Scanner) scanExponent(ch rune) rune {
if ch == 'e' || ch == 'E' {
ch = s.next()
if ch == '-' || ch == '+' {
ch = s.next()
}
ch = s.scanMantissa(ch)
}
return ch
}
// scanString scans a quoted string
func (s *Scanner) scanString() {
braces := 0
for {
// '"' opening already consumed
// read character after quote
ch := s.next()
if ch == '\n' || ch < 0 || ch == eof {
s.err("literal not terminated")
return
}
if ch == '"' {
break
}
// If we're going into a ${} then we can ignore quotes for awhile
if braces == 0 && ch == '$' && s.peek() == '{' {
braces++
s.next()
} else if braces > 0 && ch == '{' {
braces++
}
if braces > 0 && ch == '}' {
braces--
}
if ch == '\\' {
s.scanEscape()
}
}
return
}
// scanEscape scans an escape sequence
func (s *Scanner) scanEscape() rune {
// http://en.cppreference.com/w/cpp/language/escape
ch := s.next() // read character after '/'
switch ch {
case 'a', 'b', 'f', 'n', 'r', 't', 'v', '\\', '"':
// nothing to do
case '0', '1', '2', '3', '4', '5', '6', '7':
// octal notation
ch = s.scanDigits(ch, 8, 3)
case 'x':
// hexademical notation
ch = s.scanDigits(s.next(), 16, 2)
case 'u':
// universal character name
ch = s.scanDigits(s.next(), 16, 4)
case 'U':
// universal character name
ch = s.scanDigits(s.next(), 16, 8)
default:
s.err("illegal char escape")
}
return ch
}
// scanDigits scans a rune with the given base for n times. For example an
// octal notation \184 would yield in scanDigits(ch, 8, 3)
func (s *Scanner) scanDigits(ch rune, base, n int) rune {
for n > 0 && digitVal(ch) < base {
ch = s.next()
n--
}
if n > 0 {
s.err("illegal char escape")
}
// we scanned all digits, put the last non digit char back
s.unread()
return ch
}
// scanIdentifier scans an identifier and returns the literal string
func (s *Scanner) scanIdentifier() string {
offs := s.srcPos.Offset - s.lastCharLen
ch := s.next()
for isLetter(ch) || isDigit(ch) || ch == '-' {
ch = s.next()
}
if ch != eof {
s.unread() // we got identifier, put back latest char
}
return string(s.src[offs:s.srcPos.Offset])
}
// recentPosition returns the position of the character immediately after the
// character or token returned by the last call to Scan.
func (s *Scanner) recentPosition() (pos token.Pos) {
pos.Offset = s.srcPos.Offset - s.lastCharLen
switch {
case s.srcPos.Column > 0:
// common case: last character was not a '\n'
pos.Line = s.srcPos.Line
pos.Column = s.srcPos.Column
case s.lastLineLen > 0:
// last character was a '\n'
// (we cannot be at the beginning of the source
// since we have called next() at least once)
pos.Line = s.srcPos.Line - 1
pos.Column = s.lastLineLen
default:
// at the beginning of the source
pos.Line = 1
pos.Column = 1
}
return
}
// err prints the error of any scanning to s.Error function. If the function is
// not defined, by default it prints them to os.Stderr
func (s *Scanner) err(msg string) {
s.ErrorCount++
pos := s.recentPosition()
if s.Error != nil {
s.Error(pos, msg)
return
}
fmt.Fprintf(os.Stderr, "%s: %s\n", pos, msg)
}
// isHexadecimal returns true if the given rune is a letter
func isLetter(ch rune) bool {
return 'a' <= ch && ch <= 'z' || 'A' <= ch && ch <= 'Z' || ch == '_' || ch >= 0x80 && unicode.IsLetter(ch)
}
// isHexadecimal returns true if the given rune is a decimal digit
func isDigit(ch rune) bool {
return '0' <= ch && ch <= '9' || ch >= 0x80 && unicode.IsDigit(ch)
}
// isHexadecimal returns true if the given rune is a decimal number
func isDecimal(ch rune) bool {
return '0' <= ch && ch <= '9'
}
// isHexadecimal returns true if the given rune is an hexadecimal number
func isHexadecimal(ch rune) bool {
return '0' <= ch && ch <= '9' || 'a' <= ch && ch <= 'f' || 'A' <= ch && ch <= 'F'
}
// isWhitespace returns true if the rune is a space, tab, newline or carriage return
func isWhitespace(ch rune) bool {
return ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r'
}
// digitVal returns the integer value of a given octal,decimal or hexadecimal rune
func digitVal(ch rune) int {
switch {
case '0' <= ch && ch <= '9':
return int(ch - '0')
case 'a' <= ch && ch <= 'f':
return int(ch - 'a' + 10)
case 'A' <= ch && ch <= 'F':
return int(ch - 'A' + 10)
}
return 16 // larger than any legal digit val
}

46
vendor/github.com/hashicorp/hcl/json/token/position.go generated vendored
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@ -1,46 +0,0 @@
package token
import "fmt"
// Pos describes an arbitrary source position
// including the file, line, and column location.
// A Position is valid if the line number is > 0.
type Pos struct {
Filename string // filename, if any
Offset int // offset, starting at 0
Line int // line number, starting at 1
Column int // column number, starting at 1 (character count)
}
// IsValid returns true if the position is valid.
func (p *Pos) IsValid() bool { return p.Line > 0 }
// String returns a string in one of several forms:
//
// file:line:column valid position with file name
// line:column valid position without file name
// file invalid position with file name
// - invalid position without file name
func (p Pos) String() string {
s := p.Filename
if p.IsValid() {
if s != "" {
s += ":"
}
s += fmt.Sprintf("%d:%d", p.Line, p.Column)
}
if s == "" {
s = "-"
}
return s
}
// Before reports whether the position p is before u.
func (p Pos) Before(u Pos) bool {
return u.Offset > p.Offset || u.Line > p.Line
}
// After reports whether the position p is after u.
func (p Pos) After(u Pos) bool {
return u.Offset < p.Offset || u.Line < p.Line
}

118
vendor/github.com/hashicorp/hcl/json/token/token.go generated vendored
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@ -1,118 +0,0 @@
package token
import (
"fmt"
"strconv"
hcltoken "github.com/hashicorp/hcl/hcl/token"
)
// Token defines a single HCL token which can be obtained via the Scanner
type Token struct {
Type Type
Pos Pos
Text string
}
// Type is the set of lexical tokens of the HCL (HashiCorp Configuration Language)
type Type int
const (
// Special tokens
ILLEGAL Type = iota
EOF
identifier_beg
literal_beg
NUMBER // 12345
FLOAT // 123.45
BOOL // true,false
STRING // "abc"
NULL // null
literal_end
identifier_end
operator_beg
LBRACK // [
LBRACE // {
COMMA // ,
PERIOD // .
COLON // :
RBRACK // ]
RBRACE // }
operator_end
)
var tokens = [...]string{
ILLEGAL: "ILLEGAL",
EOF: "EOF",
NUMBER: "NUMBER",
FLOAT: "FLOAT",
BOOL: "BOOL",
STRING: "STRING",
NULL: "NULL",
LBRACK: "LBRACK",
LBRACE: "LBRACE",
COMMA: "COMMA",
PERIOD: "PERIOD",
COLON: "COLON",
RBRACK: "RBRACK",
RBRACE: "RBRACE",
}
// String returns the string corresponding to the token tok.
func (t Type) String() string {
s := ""
if 0 <= t && t < Type(len(tokens)) {
s = tokens[t]
}
if s == "" {
s = "token(" + strconv.Itoa(int(t)) + ")"
}
return s
}
// IsIdentifier returns true for tokens corresponding to identifiers and basic
// type literals; it returns false otherwise.
func (t Type) IsIdentifier() bool { return identifier_beg < t && t < identifier_end }
// IsLiteral returns true for tokens corresponding to basic type literals; it
// returns false otherwise.
func (t Type) IsLiteral() bool { return literal_beg < t && t < literal_end }
// IsOperator returns true for tokens corresponding to operators and
// delimiters; it returns false otherwise.
func (t Type) IsOperator() bool { return operator_beg < t && t < operator_end }
// String returns the token's literal text. Note that this is only
// applicable for certain token types, such as token.IDENT,
// token.STRING, etc..
func (t Token) String() string {
return fmt.Sprintf("%s %s %s", t.Pos.String(), t.Type.String(), t.Text)
}
// HCLToken converts this token to an HCL token.
//
// The token type must be a literal type or this will panic.
func (t Token) HCLToken() hcltoken.Token {
switch t.Type {
case BOOL:
return hcltoken.Token{Type: hcltoken.BOOL, Text: t.Text}
case FLOAT:
return hcltoken.Token{Type: hcltoken.FLOAT, Text: t.Text}
case NULL:
return hcltoken.Token{Type: hcltoken.STRING, Text: ""}
case NUMBER:
return hcltoken.Token{Type: hcltoken.NUMBER, Text: t.Text}
case STRING:
return hcltoken.Token{Type: hcltoken.STRING, Text: t.Text, JSON: true}
default:
panic(fmt.Sprintf("unimplemented HCLToken for type: %s", t.Type))
}
}

38
vendor/github.com/hashicorp/hcl/lex.go generated vendored
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@ -1,38 +0,0 @@
package hcl
import (
"unicode"
"unicode/utf8"
)
type lexModeValue byte
const (
lexModeUnknown lexModeValue = iota
lexModeHcl
lexModeJson
)
// lexMode returns whether we're going to be parsing in JSON
// mode or HCL mode.
func lexMode(v []byte) lexModeValue {
var (
r rune
w int
offset int
)
for {
r, w = utf8.DecodeRune(v[offset:])
offset += w
if unicode.IsSpace(r) {
continue
}
if r == '{' {
return lexModeJson
}
break
}
return lexModeHcl
}

39
vendor/github.com/hashicorp/hcl/parse.go generated vendored
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@ -1,39 +0,0 @@
package hcl
import (
"fmt"
"github.com/hashicorp/hcl/hcl/ast"
hclParser "github.com/hashicorp/hcl/hcl/parser"
jsonParser "github.com/hashicorp/hcl/json/parser"
)
// ParseBytes accepts as input byte slice and returns ast tree.
//
// Input can be either JSON or HCL
func ParseBytes(in []byte) (*ast.File, error) {
return parse(in)
}
// ParseString accepts input as a string and returns ast tree.
func ParseString(input string) (*ast.File, error) {
return parse([]byte(input))
}
func parse(in []byte) (*ast.File, error) {
switch lexMode(in) {
case lexModeHcl:
return hclParser.Parse(in)
case lexModeJson:
return jsonParser.Parse(in)
}
return nil, fmt.Errorf("unknown config format")
}
// Parse parses the given input and returns the root object.
//
// The input format can be either HCL or JSON.
func Parse(input string) (*ast.File, error) {
return parse([]byte(input))
}

6
vendor/github.com/magiconair/properties/.gitignore generated vendored
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@ -1,6 +0,0 @@
*.sublime-project
*.sublime-workspace
*.un~
*.swp
.idea/
*.iml

12
vendor/github.com/magiconair/properties/.travis.yml generated vendored
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@ -1,12 +0,0 @@
language: go
go:
- 1.4.x
- 1.5.x
- 1.6.x
- 1.7.x
- 1.8.x
- 1.9.x
- "1.10.x"
- "1.11.x"
- "1.12.x"
- tip

139
vendor/github.com/magiconair/properties/CHANGELOG.md generated vendored
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@ -1,139 +0,0 @@
## Changelog
### [1.8.1](https://github.com/magiconair/properties/tree/v1.8.1) - 10 May 2019
* [PR #26](https://github.com/magiconair/properties/pull/35): Close body always after request
This patch ensures that in `LoadURL` the response body is always closed.
Thanks to [@liubog2008](https://github.com/liubog2008) for the patch.
### [1.8](https://github.com/magiconair/properties/tree/v1.8) - 15 May 2018
* [PR #26](https://github.com/magiconair/properties/pull/26): Disable expansion during loading
This adds the option to disable property expansion during loading.
Thanks to [@kmala](https://github.com/kmala) for the patch.
### [1.7.6](https://github.com/magiconair/properties/tree/v1.7.6) - 14 Feb 2018
* [PR #29](https://github.com/magiconair/properties/pull/29): Reworked expansion logic to handle more complex cases.
See PR for an example.
Thanks to [@yobert](https://github.com/yobert) for the fix.
### [1.7.5](https://github.com/magiconair/properties/tree/v1.7.5) - 13 Feb 2018
* [PR #28](https://github.com/magiconair/properties/pull/28): Support duplicate expansions in the same value
Values which expand the same key multiple times (e.g. `key=${a} ${a}`) will no longer fail
with a `circular reference error`.
Thanks to [@yobert](https://github.com/yobert) for the fix.
### [1.7.4](https://github.com/magiconair/properties/tree/v1.7.4) - 31 Oct 2017
* [Issue #23](https://github.com/magiconair/properties/issues/23): Ignore blank lines with whitespaces
* [PR #24](https://github.com/magiconair/properties/pull/24): Update keys when DisableExpansion is enabled
Thanks to [@mgurov](https://github.com/mgurov) for the fix.
### [1.7.3](https://github.com/magiconair/properties/tree/v1.7.3) - 10 Jul 2017
* [Issue #17](https://github.com/magiconair/properties/issues/17): Add [SetValue()](http://godoc.org/github.com/magiconair/properties#Properties.SetValue) method to set values generically
* [Issue #22](https://github.com/magiconair/properties/issues/22): Add [LoadMap()](http://godoc.org/github.com/magiconair/properties#LoadMap) function to load properties from a string map
### [1.7.2](https://github.com/magiconair/properties/tree/v1.7.2) - 20 Mar 2017
* [Issue #15](https://github.com/magiconair/properties/issues/15): Drop gocheck dependency
* [PR #21](https://github.com/magiconair/properties/pull/21): Add [Map()](http://godoc.org/github.com/magiconair/properties#Properties.Map) and [FilterFunc()](http://godoc.org/github.com/magiconair/properties#Properties.FilterFunc)
### [1.7.1](https://github.com/magiconair/properties/tree/v1.7.1) - 13 Jan 2017
* [Issue #14](https://github.com/magiconair/properties/issues/14): Decouple TestLoadExpandedFile from `$USER`
* [PR #12](https://github.com/magiconair/properties/pull/12): Load from files and URLs
* [PR #16](https://github.com/magiconair/properties/pull/16): Keep gofmt happy
* [PR #18](https://github.com/magiconair/properties/pull/18): Fix Delete() function
### [1.7.0](https://github.com/magiconair/properties/tree/v1.7.0) - 20 Mar 2016
* [Issue #10](https://github.com/magiconair/properties/issues/10): Add [LoadURL,LoadURLs,MustLoadURL,MustLoadURLs](http://godoc.org/github.com/magiconair/properties#LoadURL) method to load properties from a URL.
* [Issue #11](https://github.com/magiconair/properties/issues/11): Add [LoadString,MustLoadString](http://godoc.org/github.com/magiconair/properties#LoadString) method to load properties from an UTF8 string.
* [PR #8](https://github.com/magiconair/properties/pull/8): Add [MustFlag](http://godoc.org/github.com/magiconair/properties#Properties.MustFlag) method to provide overrides via command line flags. (@pascaldekloe)
### [1.6.0](https://github.com/magiconair/properties/tree/v1.6.0) - 11 Dec 2015
* Add [Decode](http://godoc.org/github.com/magiconair/properties#Properties.Decode) method to populate struct from properties via tags.
### [1.5.6](https://github.com/magiconair/properties/tree/v1.5.6) - 18 Oct 2015
* Vendored in gopkg.in/check.v1
### [1.5.5](https://github.com/magiconair/properties/tree/v1.5.5) - 31 Jul 2015
* [PR #6](https://github.com/magiconair/properties/pull/6): Add [Delete](http://godoc.org/github.com/magiconair/properties#Properties.Delete) method to remove keys including comments. (@gerbenjacobs)
### [1.5.4](https://github.com/magiconair/properties/tree/v1.5.4) - 23 Jun 2015
* [Issue #5](https://github.com/magiconair/properties/issues/5): Allow disabling of property expansion [DisableExpansion](http://godoc.org/github.com/magiconair/properties#Properties.DisableExpansion). When property expansion is disabled Properties become a simple key/value store and don't check for circular references.
### [1.5.3](https://github.com/magiconair/properties/tree/v1.5.3) - 02 Jun 2015
* [Issue #4](https://github.com/magiconair/properties/issues/4): Maintain key order in [Filter()](http://godoc.org/github.com/magiconair/properties#Properties.Filter), [FilterPrefix()](http://godoc.org/github.com/magiconair/properties#Properties.FilterPrefix) and [FilterRegexp()](http://godoc.org/github.com/magiconair/properties#Properties.FilterRegexp)
### [1.5.2](https://github.com/magiconair/properties/tree/v1.5.2) - 10 Apr 2015
* [Issue #3](https://github.com/magiconair/properties/issues/3): Don't print comments in [WriteComment()](http://godoc.org/github.com/magiconair/properties#Properties.WriteComment) if they are all empty
* Add clickable links to README
### [1.5.1](https://github.com/magiconair/properties/tree/v1.5.1) - 08 Dec 2014
* Added [GetParsedDuration()](http://godoc.org/github.com/magiconair/properties#Properties.GetParsedDuration) and [MustGetParsedDuration()](http://godoc.org/github.com/magiconair/properties#Properties.MustGetParsedDuration) for values specified compatible with
[time.ParseDuration()](http://golang.org/pkg/time/#ParseDuration).
### [1.5.0](https://github.com/magiconair/properties/tree/v1.5.0) - 18 Nov 2014
* Added support for single and multi-line comments (reading, writing and updating)
* The order of keys is now preserved
* Calling [Set()](http://godoc.org/github.com/magiconair/properties#Properties.Set) with an empty key now silently ignores the call and does not create a new entry
* Added a [MustSet()](http://godoc.org/github.com/magiconair/properties#Properties.MustSet) method
* Migrated test library from launchpad.net/gocheck to [gopkg.in/check.v1](http://gopkg.in/check.v1)
### [1.4.2](https://github.com/magiconair/properties/tree/v1.4.2) - 15 Nov 2014
* [Issue #2](https://github.com/magiconair/properties/issues/2): Fixed goroutine leak in parser which created two lexers but cleaned up only one
### [1.4.1](https://github.com/magiconair/properties/tree/v1.4.1) - 13 Nov 2014
* [Issue #1](https://github.com/magiconair/properties/issues/1): Fixed bug in Keys() method which returned an empty string
### [1.4.0](https://github.com/magiconair/properties/tree/v1.4.0) - 23 Sep 2014
* Added [Keys()](http://godoc.org/github.com/magiconair/properties#Properties.Keys) to get the keys
* Added [Filter()](http://godoc.org/github.com/magiconair/properties#Properties.Filter), [FilterRegexp()](http://godoc.org/github.com/magiconair/properties#Properties.FilterRegexp) and [FilterPrefix()](http://godoc.org/github.com/magiconair/properties#Properties.FilterPrefix) to get a subset of the properties
### [1.3.0](https://github.com/magiconair/properties/tree/v1.3.0) - 18 Mar 2014
* Added support for time.Duration
* Made MustXXX() failure beha[ior configurable (log.Fatal, panic](https://github.com/magiconair/properties/tree/vior configurable (log.Fatal, panic) - custom)
* Changed default of MustXXX() failure from panic to log.Fatal
### [1.2.0](https://github.com/magiconair/properties/tree/v1.2.0) - 05 Mar 2014
* Added MustGet... functions
* Added support for int and uint with range checks on 32 bit platforms
### [1.1.0](https://github.com/magiconair/properties/tree/v1.1.0) - 20 Jan 2014
* Renamed from goproperties to properties
* Added support for expansion of environment vars in
filenames and value expressions
* Fixed bug where value expressions were not at the
start of the string
### [1.0.0](https://github.com/magiconair/properties/tree/v1.0.0) - 7 Jan 2014
* Initial release

25
vendor/github.com/magiconair/properties/LICENSE generated vendored
View File

@ -1,25 +0,0 @@
goproperties - properties file decoder for Go
Copyright (c) 2013-2018 - Frank Schroeder
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

129
vendor/github.com/magiconair/properties/README.md generated vendored
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@ -1,129 +0,0 @@
[![](https://img.shields.io/github/tag/magiconair/properties.svg?style=flat-square&label=release)](https://github.com/magiconair/properties/releases)
[![Travis CI Status](https://img.shields.io/travis/magiconair/properties.svg?branch=master&style=flat-square&label=travis)](https://travis-ci.org/magiconair/properties)
[![CircleCI Status](https://img.shields.io/circleci/project/github/magiconair/properties.svg?label=circle+ci&style=flat-square)](https://circleci.com/gh/magiconair/properties)
[![License](https://img.shields.io/badge/License-BSD%202--Clause-orange.svg?style=flat-square)](https://raw.githubusercontent.com/magiconair/properties/master/LICENSE)
[![GoDoc](http://img.shields.io/badge/godoc-reference-5272B4.svg?style=flat-square)](http://godoc.org/github.com/magiconair/properties)
# Overview
#### Please run `git pull --tags` to update the tags. See [below](#updated-git-tags) why.
properties is a Go library for reading and writing properties files.
It supports reading from multiple files or URLs and Spring style recursive
property expansion of expressions like `${key}` to their corresponding value.
Value expressions can refer to other keys like in `${key}` or to environment
variables like in `${USER}`. Filenames can also contain environment variables
like in `/home/${USER}/myapp.properties`.
Properties can be decoded into structs, maps, arrays and values through
struct tags.
Comments and the order of keys are preserved. Comments can be modified
and can be written to the output.
The properties library supports both ISO-8859-1 and UTF-8 encoded data.
Starting from version 1.3.0 the behavior of the MustXXX() functions is
configurable by providing a custom `ErrorHandler` function. The default has
changed from `panic` to `log.Fatal` but this is configurable and custom
error handling functions can be provided. See the package documentation for
details.
Read the full documentation on [![GoDoc](http://img.shields.io/badge/godoc-reference-5272B4.svg?style=flat-square)](http://godoc.org/github.com/magiconair/properties)
## Getting Started
```go
import (
"flag"
"github.com/magiconair/properties"
)
func main() {
// init from a file
p := properties.MustLoadFile("${HOME}/config.properties", properties.UTF8)
// or multiple files
p = properties.MustLoadFiles([]string{
"${HOME}/config.properties",
"${HOME}/config-${USER}.properties",
}, properties.UTF8, true)
// or from a map
p = properties.LoadMap(map[string]string{"key": "value", "abc": "def"})
// or from a string
p = properties.MustLoadString("key=value\nabc=def")
// or from a URL
p = properties.MustLoadURL("http://host/path")
// or from multiple URLs
p = properties.MustLoadURL([]string{
"http://host/config",
"http://host/config-${USER}",
}, true)
// or from flags
p.MustFlag(flag.CommandLine)
// get values through getters
host := p.MustGetString("host")
port := p.GetInt("port", 8080)
// or through Decode
type Config struct {
Host string `properties:"host"`
Port int `properties:"port,default=9000"`
Accept []string `properties:"accept,default=image/png;image;gif"`
Timeout time.Duration `properties:"timeout,default=5s"`
}
var cfg Config
if err := p.Decode(&cfg); err != nil {
log.Fatal(err)
}
}
```
## Installation and Upgrade
```
$ go get -u github.com/magiconair/properties
```
## License
2 clause BSD license. See [LICENSE](https://github.com/magiconair/properties/blob/master/LICENSE) file for details.
## ToDo
* Dump contents with passwords and secrets obscured
## Updated Git tags
#### 13 Feb 2018
I realized that all of the git tags I had pushed before v1.7.5 were lightweight tags
and I've only recently learned that this doesn't play well with `git describe` 😞
I have replaced all lightweight tags with signed tags using this script which should
retain the commit date, name and email address. Please run `git pull --tags` to update them.
Worst case you have to reclone the repo.
```shell
#!/bin/bash
tag=$1
echo "Updating $tag"
date=$(git show ${tag}^0 --format=%aD | head -1)
email=$(git show ${tag}^0 --format=%aE | head -1)
name=$(git show ${tag}^0 --format=%aN | head -1)
GIT_COMMITTER_DATE="$date" GIT_COMMITTER_NAME="$name" GIT_COMMITTER_EMAIL="$email" git tag -s -f ${tag} ${tag}^0 -m ${tag}
```
I apologize for the inconvenience.
Frank

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// Copyright 2018 Frank Schroeder. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package properties
import (
"fmt"
"reflect"
"strconv"
"strings"
"time"
)
// Decode assigns property values to exported fields of a struct.
//
// Decode traverses v recursively and returns an error if a value cannot be
// converted to the field type or a required value is missing for a field.
//
// The following type dependent decodings are used:
//
// String, boolean, numeric fields have the value of the property key assigned.
// The property key name is the name of the field. A different key and a default
// value can be set in the field's tag. Fields without default value are
// required. If the value cannot be converted to the field type an error is
// returned.
//
// time.Duration fields have the result of time.ParseDuration() assigned.
//
// time.Time fields have the vaule of time.Parse() assigned. The default layout
// is time.RFC3339 but can be set in the field's tag.
//
// Arrays and slices of string, boolean, numeric, time.Duration and time.Time
// fields have the value interpreted as a comma separated list of values. The
// individual values are trimmed of whitespace and empty values are ignored. A
// default value can be provided as a semicolon separated list in the field's
// tag.
//
// Struct fields are decoded recursively using the field name plus "." as
// prefix. The prefix (without dot) can be overridden in the field's tag.
// Default values are not supported in the field's tag. Specify them on the
// fields of the inner struct instead.
//
// Map fields must have a key of type string and are decoded recursively by
// using the field's name plus ".' as prefix and the next element of the key
// name as map key. The prefix (without dot) can be overridden in the field's
// tag. Default values are not supported.
//
// Examples:
//
// // Field is ignored.
// Field int `properties:"-"`
//
// // Field is assigned value of 'Field'.
// Field int
//
// // Field is assigned value of 'myName'.
// Field int `properties:"myName"`
//
// // Field is assigned value of key 'myName' and has a default
// // value 15 if the key does not exist.
// Field int `properties:"myName,default=15"`
//
// // Field is assigned value of key 'Field' and has a default
// // value 15 if the key does not exist.
// Field int `properties:",default=15"`
//
// // Field is assigned value of key 'date' and the date
// // is in format 2006-01-02
// Field time.Time `properties:"date,layout=2006-01-02"`
//
// // Field is assigned the non-empty and whitespace trimmed
// // values of key 'Field' split by commas.
// Field []string
//
// // Field is assigned the non-empty and whitespace trimmed
// // values of key 'Field' split by commas and has a default
// // value ["a", "b", "c"] if the key does not exist.
// Field []string `properties:",default=a;b;c"`
//
// // Field is decoded recursively with "Field." as key prefix.
// Field SomeStruct
//
// // Field is decoded recursively with "myName." as key prefix.
// Field SomeStruct `properties:"myName"`
//
// // Field is decoded recursively with "Field." as key prefix
// // and the next dotted element of the key as map key.
// Field map[string]string
//
// // Field is decoded recursively with "myName." as key prefix
// // and the next dotted element of the key as map key.
// Field map[string]string `properties:"myName"`
func (p *Properties) Decode(x interface{}) error {
t, v := reflect.TypeOf(x), reflect.ValueOf(x)
if t.Kind() != reflect.Ptr || v.Elem().Type().Kind() != reflect.Struct {
return fmt.Errorf("not a pointer to struct: %s", t)
}
if err := dec(p, "", nil, nil, v); err != nil {
return err
}
return nil
}
func dec(p *Properties, key string, def *string, opts map[string]string, v reflect.Value) error {
t := v.Type()
// value returns the property value for key or the default if provided.
value := func() (string, error) {
if val, ok := p.Get(key); ok {
return val, nil
}
if def != nil {
return *def, nil
}
return "", fmt.Errorf("missing required key %s", key)
}
// conv converts a string to a value of the given type.
conv := func(s string, t reflect.Type) (val reflect.Value, err error) {
var v interface{}
switch {
case isDuration(t):
v, err = time.ParseDuration(s)
case isTime(t):
layout := opts["layout"]
if layout == "" {
layout = time.RFC3339
}
v, err = time.Parse(layout, s)
case isBool(t):
v, err = boolVal(s), nil
case isString(t):
v, err = s, nil
case isFloat(t):
v, err = strconv.ParseFloat(s, 64)
case isInt(t):
v, err = strconv.ParseInt(s, 10, 64)
case isUint(t):
v, err = strconv.ParseUint(s, 10, 64)
default:
return reflect.Zero(t), fmt.Errorf("unsupported type %s", t)
}
if err != nil {
return reflect.Zero(t), err
}
return reflect.ValueOf(v).Convert(t), nil
}
// keydef returns the property key and the default value based on the
// name of the struct field and the options in the tag.
keydef := func(f reflect.StructField) (string, *string, map[string]string) {
_key, _opts := parseTag(f.Tag.Get("properties"))
var _def *string
if d, ok := _opts["default"]; ok {
_def = &d
}
if _key != "" {
return _key, _def, _opts
}
return f.Name, _def, _opts
}
switch {
case isDuration(t) || isTime(t) || isBool(t) || isString(t) || isFloat(t) || isInt(t) || isUint(t):
s, err := value()
if err != nil {
return err
}
val, err := conv(s, t)
if err != nil {
return err
}
v.Set(val)
case isPtr(t):
return dec(p, key, def, opts, v.Elem())
case isStruct(t):
for i := 0; i < v.NumField(); i++ {
fv := v.Field(i)
fk, def, opts := keydef(t.Field(i))
if !fv.CanSet() {
return fmt.Errorf("cannot set %s", t.Field(i).Name)
}
if fk == "-" {
continue
}
if key != "" {
fk = key + "." + fk
}
if err := dec(p, fk, def, opts, fv); err != nil {
return err
}
}
return nil
case isArray(t):
val, err := value()
if err != nil {
return err
}
vals := split(val, ";")
a := reflect.MakeSlice(t, 0, len(vals))
for _, s := range vals {
val, err := conv(s, t.Elem())
if err != nil {
return err
}
a = reflect.Append(a, val)
}
v.Set(a)
case isMap(t):
valT := t.Elem()
m := reflect.MakeMap(t)
for postfix := range p.FilterStripPrefix(key + ".").m {
pp := strings.SplitN(postfix, ".", 2)
mk, mv := pp[0], reflect.New(valT)
if err := dec(p, key+"."+mk, nil, nil, mv); err != nil {
return err
}
m.SetMapIndex(reflect.ValueOf(mk), mv.Elem())
}
v.Set(m)
default:
return fmt.Errorf("unsupported type %s", t)
}
return nil
}
// split splits a string on sep, trims whitespace of elements
// and omits empty elements
func split(s string, sep string) []string {
var a []string
for _, v := range strings.Split(s, sep) {
if v = strings.TrimSpace(v); v != "" {
a = append(a, v)
}
}
return a
}
// parseTag parses a "key,k=v,k=v,..."
func parseTag(tag string) (key string, opts map[string]string) {
opts = map[string]string{}
for i, s := range strings.Split(tag, ",") {
if i == 0 {
key = s
continue
}
pp := strings.SplitN(s, "=", 2)
if len(pp) == 1 {
opts[pp[0]] = ""
} else {
opts[pp[0]] = pp[1]
}
}
return key, opts
}
func isArray(t reflect.Type) bool { return t.Kind() == reflect.Array || t.Kind() == reflect.Slice }
func isBool(t reflect.Type) bool { return t.Kind() == reflect.Bool }
func isDuration(t reflect.Type) bool { return t == reflect.TypeOf(time.Second) }
func isMap(t reflect.Type) bool { return t.Kind() == reflect.Map }
func isPtr(t reflect.Type) bool { return t.Kind() == reflect.Ptr }
func isString(t reflect.Type) bool { return t.Kind() == reflect.String }
func isStruct(t reflect.Type) bool { return t.Kind() == reflect.Struct }
func isTime(t reflect.Type) bool { return t == reflect.TypeOf(time.Time{}) }
func isFloat(t reflect.Type) bool {
return t.Kind() == reflect.Float32 || t.Kind() == reflect.Float64
}
func isInt(t reflect.Type) bool {
return t.Kind() == reflect.Int || t.Kind() == reflect.Int8 || t.Kind() == reflect.Int16 || t.Kind() == reflect.Int32 || t.Kind() == reflect.Int64
}
func isUint(t reflect.Type) bool {
return t.Kind() == reflect.Uint || t.Kind() == reflect.Uint8 || t.Kind() == reflect.Uint16 || t.Kind() == reflect.Uint32 || t.Kind() == reflect.Uint64
}

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// Copyright 2018 Frank Schroeder. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package properties provides functions for reading and writing
// ISO-8859-1 and UTF-8 encoded .properties files and has
// support for recursive property expansion.
//
// Java properties files are ISO-8859-1 encoded and use Unicode
// literals for characters outside the ISO character set. Unicode
// literals can be used in UTF-8 encoded properties files but
// aren't necessary.
//
// To load a single properties file use MustLoadFile():
//
// p := properties.MustLoadFile(filename, properties.UTF8)
//
// To load multiple properties files use MustLoadFiles()
// which loads the files in the given order and merges the
// result. Missing properties files can be ignored if the
// 'ignoreMissing' flag is set to true.
//
// Filenames can contain environment variables which are expanded
// before loading.
//
// f1 := "/etc/myapp/myapp.conf"
// f2 := "/home/${USER}/myapp.conf"
// p := MustLoadFiles([]string{f1, f2}, properties.UTF8, true)
//
// All of the different key/value delimiters ' ', ':' and '=' are
// supported as well as the comment characters '!' and '#' and
// multi-line values.
//
// ! this is a comment
// # and so is this
//
// # the following expressions are equal
// key value
// key=value
// key:value
// key = value
// key : value
// key = val\
// ue
//
// Properties stores all comments preceding a key and provides
// GetComments() and SetComments() methods to retrieve and
// update them. The convenience functions GetComment() and
// SetComment() allow access to the last comment. The
// WriteComment() method writes properties files including
// the comments and with the keys in the original order.
// This can be used for sanitizing properties files.
//
// Property expansion is recursive and circular references
// and malformed expressions are not allowed and cause an
// error. Expansion of environment variables is supported.
//
// # standard property
// key = value
//
// # property expansion: key2 = value
// key2 = ${key}
//
// # recursive expansion: key3 = value
// key3 = ${key2}
//
// # circular reference (error)
// key = ${key}
//
// # malformed expression (error)
// key = ${ke
//
// # refers to the users' home dir
// home = ${HOME}
//
// # local key takes precedence over env var: u = foo
// USER = foo
// u = ${USER}
//
// The default property expansion format is ${key} but can be
// changed by setting different pre- and postfix values on the
// Properties object.
//
// p := properties.NewProperties()
// p.Prefix = "#["
// p.Postfix = "]#"
//
// Properties provides convenience functions for getting typed
// values with default values if the key does not exist or the
// type conversion failed.
//
// # Returns true if the value is either "1", "on", "yes" or "true"
// # Returns false for every other value and the default value if
// # the key does not exist.
// v = p.GetBool("key", false)
//
// # Returns the value if the key exists and the format conversion
// # was successful. Otherwise, the default value is returned.
// v = p.GetInt64("key", 999)
// v = p.GetUint64("key", 999)
// v = p.GetFloat64("key", 123.0)
// v = p.GetString("key", "def")
// v = p.GetDuration("key", 999)
//
// As an alternative properties may be applied with the standard
// library's flag implementation at any time.
//
// # Standard configuration
// v = flag.Int("key", 999, "help message")
// flag.Parse()
//
// # Merge p into the flag set
// p.MustFlag(flag.CommandLine)
//
// Properties provides several MustXXX() convenience functions
// which will terminate the app if an error occurs. The behavior
// of the failure is configurable and the default is to call
// log.Fatal(err). To have the MustXXX() functions panic instead
// of logging the error set a different ErrorHandler before
// you use the Properties package.
//
// properties.ErrorHandler = properties.PanicHandler
//
// # Will panic instead of logging an error
// p := properties.MustLoadFile("config.properties")
//
// You can also provide your own ErrorHandler function. The only requirement
// is that the error handler function must exit after handling the error.
//
// properties.ErrorHandler = func(err error) {
// fmt.Println(err)
// os.Exit(1)
// }
//
// # Will write to stdout and then exit
// p := properties.MustLoadFile("config.properties")
//
// Properties can also be loaded into a struct via the `Decode`
// method, e.g.
//
// type S struct {
// A string `properties:"a,default=foo"`
// D time.Duration `properties:"timeout,default=5s"`
// E time.Time `properties:"expires,layout=2006-01-02,default=2015-01-01"`
// }
//
// See `Decode()` method for the full documentation.
//
// The following documents provide a description of the properties
// file format.
//
// http://en.wikipedia.org/wiki/.properties
//
// http://docs.oracle.com/javase/7/docs/api/java/util/Properties.html#load%28java.io.Reader%29
//
package properties

1
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module github.com/magiconair/properties

34
vendor/github.com/magiconair/properties/integrate.go generated vendored
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@ -1,34 +0,0 @@
// Copyright 2018 Frank Schroeder. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package properties
import "flag"
// MustFlag sets flags that are skipped by dst.Parse when p contains
// the respective key for flag.Flag.Name.
//
// It's use is recommended with command line arguments as in:
// flag.Parse()
// p.MustFlag(flag.CommandLine)
func (p *Properties) MustFlag(dst *flag.FlagSet) {
m := make(map[string]*flag.Flag)
dst.VisitAll(func(f *flag.Flag) {
m[f.Name] = f
})
dst.Visit(func(f *flag.Flag) {
delete(m, f.Name) // overridden
})
for name, f := range m {
v, ok := p.Get(name)
if !ok {
continue
}
if err := f.Value.Set(v); err != nil {
ErrorHandler(err)
}
}
}

407
vendor/github.com/magiconair/properties/lex.go generated vendored
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@ -1,407 +0,0 @@
// Copyright 2018 Frank Schroeder. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//
// Parts of the lexer are from the template/text/parser package
// For these parts the following applies:
//
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file of the go 1.2
// distribution.
package properties
import (
"fmt"
"strconv"
"strings"
"unicode/utf8"
)
// item represents a token or text string returned from the scanner.
type item struct {
typ itemType // The type of this item.
pos int // The starting position, in bytes, of this item in the input string.
val string // The value of this item.
}
func (i item) String() string {
switch {
case i.typ == itemEOF:
return "EOF"
case i.typ == itemError:
return i.val
case len(i.val) > 10:
return fmt.Sprintf("%.10q...", i.val)
}
return fmt.Sprintf("%q", i.val)
}
// itemType identifies the type of lex items.
type itemType int
const (
itemError itemType = iota // error occurred; value is text of error
itemEOF
itemKey // a key
itemValue // a value
itemComment // a comment
)
// defines a constant for EOF
const eof = -1
// permitted whitespace characters space, FF and TAB
const whitespace = " \f\t"
// stateFn represents the state of the scanner as a function that returns the next state.
type stateFn func(*lexer) stateFn
// lexer holds the state of the scanner.
type lexer struct {
input string // the string being scanned
state stateFn // the next lexing function to enter
pos int // current position in the input
start int // start position of this item
width int // width of last rune read from input
lastPos int // position of most recent item returned by nextItem
runes []rune // scanned runes for this item
items chan item // channel of scanned items
}
// next returns the next rune in the input.
func (l *lexer) next() rune {
if l.pos >= len(l.input) {
l.width = 0
return eof
}
r, w := utf8.DecodeRuneInString(l.input[l.pos:])
l.width = w
l.pos += l.width
return r
}
// peek returns but does not consume the next rune in the input.
func (l *lexer) peek() rune {
r := l.next()
l.backup()
return r
}
// backup steps back one rune. Can only be called once per call of next.
func (l *lexer) backup() {
l.pos -= l.width
}
// emit passes an item back to the client.
func (l *lexer) emit(t itemType) {
i := item{t, l.start, string(l.runes)}
l.items <- i
l.start = l.pos
l.runes = l.runes[:0]
}
// ignore skips over the pending input before this point.
func (l *lexer) ignore() {
l.start = l.pos
}
// appends the rune to the current value
func (l *lexer) appendRune(r rune) {
l.runes = append(l.runes, r)
}
// accept consumes the next rune if it's from the valid set.
func (l *lexer) accept(valid string) bool {
if strings.ContainsRune(valid, l.next()) {
return true
}
l.backup()
return false
}
// acceptRun consumes a run of runes from the valid set.
func (l *lexer) acceptRun(valid string) {
for strings.ContainsRune(valid, l.next()) {
}
l.backup()
}
// acceptRunUntil consumes a run of runes up to a terminator.
func (l *lexer) acceptRunUntil(term rune) {
for term != l.next() {
}
l.backup()
}
// hasText returns true if the current parsed text is not empty.
func (l *lexer) isNotEmpty() bool {
return l.pos > l.start
}
// lineNumber reports which line we're on, based on the position of
// the previous item returned by nextItem. Doing it this way
// means we don't have to worry about peek double counting.
func (l *lexer) lineNumber() int {
return 1 + strings.Count(l.input[:l.lastPos], "\n")
}
// errorf returns an error token and terminates the scan by passing
// back a nil pointer that will be the next state, terminating l.nextItem.
func (l *lexer) errorf(format string, args ...interface{}) stateFn {
l.items <- item{itemError, l.start, fmt.Sprintf(format, args...)}
return nil
}
// nextItem returns the next item from the input.
func (l *lexer) nextItem() item {
i := <-l.items
l.lastPos = i.pos
return i
}
// lex creates a new scanner for the input string.
func lex(input string) *lexer {
l := &lexer{
input: input,
items: make(chan item),
runes: make([]rune, 0, 32),
}
go l.run()
return l
}
// run runs the state machine for the lexer.
func (l *lexer) run() {
for l.state = lexBeforeKey(l); l.state != nil; {
l.state = l.state(l)
}
}
// state functions
// lexBeforeKey scans until a key begins.
func lexBeforeKey(l *lexer) stateFn {
switch r := l.next(); {
case isEOF(r):
l.emit(itemEOF)
return nil
case isEOL(r):
l.ignore()
return lexBeforeKey
case isComment(r):
return lexComment
case isWhitespace(r):
l.ignore()
return lexBeforeKey
default:
l.backup()
return lexKey
}
}
// lexComment scans a comment line. The comment character has already been scanned.
func lexComment(l *lexer) stateFn {
l.acceptRun(whitespace)
l.ignore()
for {
switch r := l.next(); {
case isEOF(r):
l.ignore()
l.emit(itemEOF)
return nil
case isEOL(r):
l.emit(itemComment)
return lexBeforeKey
default:
l.appendRune(r)
}
}
}
// lexKey scans the key up to a delimiter
func lexKey(l *lexer) stateFn {
var r rune
Loop:
for {
switch r = l.next(); {
case isEscape(r):
err := l.scanEscapeSequence()
if err != nil {
return l.errorf(err.Error())
}
case isEndOfKey(r):
l.backup()
break Loop
case isEOF(r):
break Loop
default:
l.appendRune(r)
}
}
if len(l.runes) > 0 {
l.emit(itemKey)
}
if isEOF(r) {
l.emit(itemEOF)
return nil
}
return lexBeforeValue
}
// lexBeforeValue scans the delimiter between key and value.
// Leading and trailing whitespace is ignored.
// We expect to be just after the key.
func lexBeforeValue(l *lexer) stateFn {
l.acceptRun(whitespace)
l.accept(":=")
l.acceptRun(whitespace)
l.ignore()
return lexValue
}
// lexValue scans text until the end of the line. We expect to be just after the delimiter.
func lexValue(l *lexer) stateFn {
for {
switch r := l.next(); {
case isEscape(r):
if isEOL(l.peek()) {
l.next()
l.acceptRun(whitespace)
} else {
err := l.scanEscapeSequence()
if err != nil {
return l.errorf(err.Error())
}
}
case isEOL(r):
l.emit(itemValue)
l.ignore()
return lexBeforeKey
case isEOF(r):
l.emit(itemValue)
l.emit(itemEOF)
return nil
default:
l.appendRune(r)
}
}
}
// scanEscapeSequence scans either one of the escaped characters
// or a unicode literal. We expect to be after the escape character.
func (l *lexer) scanEscapeSequence() error {
switch r := l.next(); {
case isEscapedCharacter(r):
l.appendRune(decodeEscapedCharacter(r))
return nil
case atUnicodeLiteral(r):
return l.scanUnicodeLiteral()
case isEOF(r):
return fmt.Errorf("premature EOF")
// silently drop the escape character and append the rune as is
default:
l.appendRune(r)
return nil
}
}
// scans a unicode literal in the form \uXXXX. We expect to be after the \u.
func (l *lexer) scanUnicodeLiteral() error {
// scan the digits
d := make([]rune, 4)
for i := 0; i < 4; i++ {
d[i] = l.next()
if d[i] == eof || !strings.ContainsRune("0123456789abcdefABCDEF", d[i]) {
return fmt.Errorf("invalid unicode literal")
}
}
// decode the digits into a rune
r, err := strconv.ParseInt(string(d), 16, 0)
if err != nil {
return err
}
l.appendRune(rune(r))
return nil
}
// decodeEscapedCharacter returns the unescaped rune. We expect to be after the escape character.
func decodeEscapedCharacter(r rune) rune {
switch r {
case 'f':
return '\f'
case 'n':
return '\n'
case 'r':
return '\r'
case 't':
return '\t'
default:
return r
}
}
// atUnicodeLiteral reports whether we are at a unicode literal.
// The escape character has already been consumed.
func atUnicodeLiteral(r rune) bool {
return r == 'u'
}
// isComment reports whether we are at the start of a comment.
func isComment(r rune) bool {
return r == '#' || r == '!'
}
// isEndOfKey reports whether the rune terminates the current key.
func isEndOfKey(r rune) bool {
return strings.ContainsRune(" \f\t\r\n:=", r)
}
// isEOF reports whether we are at EOF.
func isEOF(r rune) bool {
return r == eof
}
// isEOL reports whether we are at a new line character.
func isEOL(r rune) bool {
return r == '\n' || r == '\r'
}
// isEscape reports whether the rune is the escape character which
// prefixes unicode literals and other escaped characters.
func isEscape(r rune) bool {
return r == '\\'
}
// isEscapedCharacter reports whether we are at one of the characters that need escaping.
// The escape character has already been consumed.
func isEscapedCharacter(r rune) bool {
return strings.ContainsRune(" :=fnrt", r)
}
// isWhitespace reports whether the rune is a whitespace character.
func isWhitespace(r rune) bool {
return strings.ContainsRune(whitespace, r)
}

292
vendor/github.com/magiconair/properties/load.go generated vendored
View File

@ -1,292 +0,0 @@
// Copyright 2018 Frank Schroeder. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package properties
import (
"fmt"
"io/ioutil"
"net/http"
"os"
"strings"
)
// Encoding specifies encoding of the input data.
type Encoding uint
const (
// utf8Default is a private placeholder for the zero value of Encoding to
// ensure that it has the correct meaning. UTF8 is the default encoding but
// was assigned a non-zero value which cannot be changed without breaking
// existing code. Clients should continue to use the public constants.
utf8Default Encoding = iota
// UTF8 interprets the input data as UTF-8.
UTF8
// ISO_8859_1 interprets the input data as ISO-8859-1.
ISO_8859_1
)
type Loader struct {
// Encoding determines how the data from files and byte buffers
// is interpreted. For URLs the Content-Type header is used
// to determine the encoding of the data.
Encoding Encoding
// DisableExpansion configures the property expansion of the
// returned property object. When set to true, the property values
// will not be expanded and the Property object will not be checked
// for invalid expansion expressions.
DisableExpansion bool
// IgnoreMissing configures whether missing files or URLs which return
// 404 are reported as errors. When set to true, missing files and 404
// status codes are not reported as errors.
IgnoreMissing bool
}
// Load reads a buffer into a Properties struct.
func (l *Loader) LoadBytes(buf []byte) (*Properties, error) {
return l.loadBytes(buf, l.Encoding)
}
// LoadAll reads the content of multiple URLs or files in the given order into
// a Properties struct. If IgnoreMissing is true then a 404 status code or
// missing file will not be reported as error. Encoding sets the encoding for
// files. For the URLs see LoadURL for the Content-Type header and the
// encoding.
func (l *Loader) LoadAll(names []string) (*Properties, error) {
all := NewProperties()
for _, name := range names {
n, err := expandName(name)
if err != nil {
return nil, err
}
var p *Properties
switch {
case strings.HasPrefix(n, "http://"):
p, err = l.LoadURL(n)
case strings.HasPrefix(n, "https://"):
p, err = l.LoadURL(n)
default:
p, err = l.LoadFile(n)
}
if err != nil {
return nil, err
}
all.Merge(p)
}
all.DisableExpansion = l.DisableExpansion
if all.DisableExpansion {
return all, nil
}
return all, all.check()
}
// LoadFile reads a file into a Properties struct.
// If IgnoreMissing is true then a missing file will not be
// reported as error.
func (l *Loader) LoadFile(filename string) (*Properties, error) {
data, err := ioutil.ReadFile(filename)
if err != nil {
if l.IgnoreMissing && os.IsNotExist(err) {
LogPrintf("properties: %s not found. skipping", filename)
return NewProperties(), nil
}
return nil, err
}
return l.loadBytes(data, l.Encoding)
}
// LoadURL reads the content of the URL into a Properties struct.
//
// The encoding is determined via the Content-Type header which
// should be set to 'text/plain'. If the 'charset' parameter is
// missing, 'iso-8859-1' or 'latin1' the encoding is set to
// ISO-8859-1. If the 'charset' parameter is set to 'utf-8' the
// encoding is set to UTF-8. A missing content type header is
// interpreted as 'text/plain; charset=utf-8'.
func (l *Loader) LoadURL(url string) (*Properties, error) {
resp, err := http.Get(url)
if err != nil {
return nil, fmt.Errorf("properties: error fetching %q. %s", url, err)
}
defer resp.Body.Close()
if resp.StatusCode == 404 && l.IgnoreMissing {
LogPrintf("properties: %s returned %d. skipping", url, resp.StatusCode)
return NewProperties(), nil
}
if resp.StatusCode != 200 {
return nil, fmt.Errorf("properties: %s returned %d", url, resp.StatusCode)
}
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, fmt.Errorf("properties: %s error reading response. %s", url, err)
}
ct := resp.Header.Get("Content-Type")
var enc Encoding
switch strings.ToLower(ct) {
case "text/plain", "text/plain; charset=iso-8859-1", "text/plain; charset=latin1":
enc = ISO_8859_1
case "", "text/plain; charset=utf-8":
enc = UTF8
default:
return nil, fmt.Errorf("properties: invalid content type %s", ct)
}
return l.loadBytes(body, enc)
}
func (l *Loader) loadBytes(buf []byte, enc Encoding) (*Properties, error) {
p, err := parse(convert(buf, enc))
if err != nil {
return nil, err
}
p.DisableExpansion = l.DisableExpansion
if p.DisableExpansion {
return p, nil
}
return p, p.check()
}
// Load reads a buffer into a Properties struct.
func Load(buf []byte, enc Encoding) (*Properties, error) {
l := &Loader{Encoding: enc}
return l.LoadBytes(buf)
}
// LoadString reads an UTF8 string into a properties struct.
func LoadString(s string) (*Properties, error) {
l := &Loader{Encoding: UTF8}
return l.LoadBytes([]byte(s))
}
// LoadMap creates a new Properties struct from a string map.
func LoadMap(m map[string]string) *Properties {
p := NewProperties()
for k, v := range m {
p.Set(k, v)
}
return p
}
// LoadFile reads a file into a Properties struct.
func LoadFile(filename string, enc Encoding) (*Properties, error) {
l := &Loader{Encoding: enc}
return l.LoadAll([]string{filename})
}
// LoadFiles reads multiple files in the given order into
// a Properties struct. If 'ignoreMissing' is true then
// non-existent files will not be reported as error.
func LoadFiles(filenames []string, enc Encoding, ignoreMissing bool) (*Properties, error) {
l := &Loader{Encoding: enc, IgnoreMissing: ignoreMissing}
return l.LoadAll(filenames)
}
// LoadURL reads the content of the URL into a Properties struct.
// See Loader#LoadURL for details.
func LoadURL(url string) (*Properties, error) {
l := &Loader{Encoding: UTF8}
return l.LoadAll([]string{url})
}
// LoadURLs reads the content of multiple URLs in the given order into a
// Properties struct. If IgnoreMissing is true then a 404 status code will
// not be reported as error. See Loader#LoadURL for the Content-Type header
// and the encoding.
func LoadURLs(urls []string, ignoreMissing bool) (*Properties, error) {
l := &Loader{Encoding: UTF8, IgnoreMissing: ignoreMissing}
return l.LoadAll(urls)
}
// LoadAll reads the content of multiple URLs or files in the given order into a
// Properties struct. If 'ignoreMissing' is true then a 404 status code or missing file will
// not be reported as error. Encoding sets the encoding for files. For the URLs please see
// LoadURL for the Content-Type header and the encoding.
func LoadAll(names []string, enc Encoding, ignoreMissing bool) (*Properties, error) {
l := &Loader{Encoding: enc, IgnoreMissing: ignoreMissing}
return l.LoadAll(names)
}
// MustLoadString reads an UTF8 string into a Properties struct and
// panics on error.
func MustLoadString(s string) *Properties {
return must(LoadString(s))
}
// MustLoadFile reads a file into a Properties struct and
// panics on error.
func MustLoadFile(filename string, enc Encoding) *Properties {
return must(LoadFile(filename, enc))
}
// MustLoadFiles reads multiple files in the given order into
// a Properties struct and panics on error. If 'ignoreMissing'
// is true then non-existent files will not be reported as error.
func MustLoadFiles(filenames []string, enc Encoding, ignoreMissing bool) *Properties {
return must(LoadFiles(filenames, enc, ignoreMissing))
}
// MustLoadURL reads the content of a URL into a Properties struct and
// panics on error.
func MustLoadURL(url string) *Properties {
return must(LoadURL(url))
}
// MustLoadURLs reads the content of multiple URLs in the given order into a
// Properties struct and panics on error. If 'ignoreMissing' is true then a 404
// status code will not be reported as error.
func MustLoadURLs(urls []string, ignoreMissing bool) *Properties {
return must(LoadURLs(urls, ignoreMissing))
}
// MustLoadAll reads the content of multiple URLs or files in the given order into a
// Properties struct. If 'ignoreMissing' is true then a 404 status code or missing file will
// not be reported as error. Encoding sets the encoding for files. For the URLs please see
// LoadURL for the Content-Type header and the encoding. It panics on error.
func MustLoadAll(names []string, enc Encoding, ignoreMissing bool) *Properties {
return must(LoadAll(names, enc, ignoreMissing))
}
func must(p *Properties, err error) *Properties {
if err != nil {
ErrorHandler(err)
}
return p
}
// expandName expands ${ENV_VAR} expressions in a name.
// If the environment variable does not exist then it will be replaced
// with an empty string. Malformed expressions like "${ENV_VAR" will
// be reported as error.
func expandName(name string) (string, error) {
return expand(name, []string{}, "${", "}", make(map[string]string))
}
// Interprets a byte buffer either as an ISO-8859-1 or UTF-8 encoded string.
// For ISO-8859-1 we can convert each byte straight into a rune since the
// first 256 unicode code points cover ISO-8859-1.
func convert(buf []byte, enc Encoding) string {
switch enc {
case utf8Default, UTF8:
return string(buf)
case ISO_8859_1:
runes := make([]rune, len(buf))
for i, b := range buf {
runes[i] = rune(b)
}
return string(runes)
default:
ErrorHandler(fmt.Errorf("unsupported encoding %v", enc))
}
panic("ErrorHandler should exit")
}

95
vendor/github.com/magiconair/properties/parser.go generated vendored
View File

@ -1,95 +0,0 @@
// Copyright 2018 Frank Schroeder. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package properties
import (
"fmt"
"runtime"
)
type parser struct {
lex *lexer
}
func parse(input string) (properties *Properties, err error) {
p := &parser{lex: lex(input)}
defer p.recover(&err)
properties = NewProperties()
key := ""
comments := []string{}
for {
token := p.expectOneOf(itemComment, itemKey, itemEOF)
switch token.typ {
case itemEOF:
goto done
case itemComment:
comments = append(comments, token.val)
continue
case itemKey:
key = token.val
if _, ok := properties.m[key]; !ok {
properties.k = append(properties.k, key)
}
}
token = p.expectOneOf(itemValue, itemEOF)
if len(comments) > 0 {
properties.c[key] = comments
comments = []string{}
}
switch token.typ {
case itemEOF:
properties.m[key] = ""
goto done
case itemValue:
properties.m[key] = token.val
}
}
done:
return properties, nil
}
func (p *parser) errorf(format string, args ...interface{}) {
format = fmt.Sprintf("properties: Line %d: %s", p.lex.lineNumber(), format)
panic(fmt.Errorf(format, args...))
}
func (p *parser) expect(expected itemType) (token item) {
token = p.lex.nextItem()
if token.typ != expected {
p.unexpected(token)
}
return token
}
func (p *parser) expectOneOf(expected ...itemType) (token item) {
token = p.lex.nextItem()
for _, v := range expected {
if token.typ == v {
return token
}
}
p.unexpected(token)
panic("unexpected token")
}
func (p *parser) unexpected(token item) {
p.errorf(token.String())
}
// recover is the handler that turns panics into returns from the top level of Parse.
func (p *parser) recover(errp *error) {
e := recover()
if e != nil {
if _, ok := e.(runtime.Error); ok {
panic(e)
}
*errp = e.(error)
}
return
}

833
vendor/github.com/magiconair/properties/properties.go generated vendored
View File

@ -1,833 +0,0 @@
// Copyright 2018 Frank Schroeder. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package properties
// BUG(frank): Set() does not check for invalid unicode literals since this is currently handled by the lexer.
// BUG(frank): Write() does not allow to configure the newline character. Therefore, on Windows LF is used.
import (
"fmt"
"io"
"log"
"os"
"regexp"
"strconv"
"strings"
"time"
"unicode/utf8"
)
const maxExpansionDepth = 64
// ErrorHandlerFunc defines the type of function which handles failures
// of the MustXXX() functions. An error handler function must exit
// the application after handling the error.
type ErrorHandlerFunc func(error)
// ErrorHandler is the function which handles failures of the MustXXX()
// functions. The default is LogFatalHandler.
var ErrorHandler ErrorHandlerFunc = LogFatalHandler
// LogHandlerFunc defines the function prototype for logging errors.
type LogHandlerFunc func(fmt string, args ...interface{})
// LogPrintf defines a log handler which uses log.Printf.
var LogPrintf LogHandlerFunc = log.Printf
// LogFatalHandler handles the error by logging a fatal error and exiting.
func LogFatalHandler(err error) {
log.Fatal(err)
}
// PanicHandler handles the error by panicking.
func PanicHandler(err error) {
panic(err)
}
// -----------------------------------------------------------------------------
// A Properties contains the key/value pairs from the properties input.
// All values are stored in unexpanded form and are expanded at runtime
type Properties struct {
// Pre-/Postfix for property expansion.
Prefix string
Postfix string
// DisableExpansion controls the expansion of properties on Get()
// and the check for circular references on Set(). When set to
// true Properties behaves like a simple key/value store and does
// not check for circular references on Get() or on Set().
DisableExpansion bool
// Stores the key/value pairs
m map[string]string
// Stores the comments per key.
c map[string][]string
// Stores the keys in order of appearance.
k []string
}
// NewProperties creates a new Properties struct with the default
// configuration for "${key}" expressions.
func NewProperties() *Properties {
return &Properties{
Prefix: "${",
Postfix: "}",
m: map[string]string{},
c: map[string][]string{},
k: []string{},
}
}
// Load reads a buffer into the given Properties struct.
func (p *Properties) Load(buf []byte, enc Encoding) error {
l := &Loader{Encoding: enc, DisableExpansion: p.DisableExpansion}
newProperties, err := l.LoadBytes(buf)
if err != nil {
return err
}
p.Merge(newProperties)
return nil
}
// Get returns the expanded value for the given key if exists.
// Otherwise, ok is false.
func (p *Properties) Get(key string) (value string, ok bool) {
v, ok := p.m[key]
if p.DisableExpansion {
return v, ok
}
if !ok {
return "", false
}
expanded, err := p.expand(key, v)
// we guarantee that the expanded value is free of
// circular references and malformed expressions
// so we panic if we still get an error here.
if err != nil {
ErrorHandler(fmt.Errorf("%s in %q", err, key+" = "+v))
}
return expanded, true
}
// MustGet returns the expanded value for the given key if exists.
// Otherwise, it panics.
func (p *Properties) MustGet(key string) string {
if v, ok := p.Get(key); ok {
return v
}
ErrorHandler(invalidKeyError(key))
panic("ErrorHandler should exit")
}
// ----------------------------------------------------------------------------
// ClearComments removes the comments for all keys.
func (p *Properties) ClearComments() {
p.c = map[string][]string{}
}
// ----------------------------------------------------------------------------
// GetComment returns the last comment before the given key or an empty string.
func (p *Properties) GetComment(key string) string {
comments, ok := p.c[key]
if !ok || len(comments) == 0 {
return ""
}
return comments[len(comments)-1]
}
// ----------------------------------------------------------------------------
// GetComments returns all comments that appeared before the given key or nil.
func (p *Properties) GetComments(key string) []string {
if comments, ok := p.c[key]; ok {
return comments
}
return nil
}
// ----------------------------------------------------------------------------
// SetComment sets the comment for the key.
func (p *Properties) SetComment(key, comment string) {
p.c[key] = []string{comment}
}
// ----------------------------------------------------------------------------
// SetComments sets the comments for the key. If the comments are nil then
// all comments for this key are deleted.
func (p *Properties) SetComments(key string, comments []string) {
if comments == nil {
delete(p.c, key)
return
}
p.c[key] = comments
}
// ----------------------------------------------------------------------------
// GetBool checks if the expanded value is one of '1', 'yes',
// 'true' or 'on' if the key exists. The comparison is case-insensitive.
// If the key does not exist the default value is returned.
func (p *Properties) GetBool(key string, def bool) bool {
v, err := p.getBool(key)
if err != nil {
return def
}
return v
}
// MustGetBool checks if the expanded value is one of '1', 'yes',
// 'true' or 'on' if the key exists. The comparison is case-insensitive.
// If the key does not exist the function panics.
func (p *Properties) MustGetBool(key string) bool {
v, err := p.getBool(key)
if err != nil {
ErrorHandler(err)
}
return v
}
func (p *Properties) getBool(key string) (value bool, err error) {
if v, ok := p.Get(key); ok {
return boolVal(v), nil
}
return false, invalidKeyError(key)
}
func boolVal(v string) bool {
v = strings.ToLower(v)
return v == "1" || v == "true" || v == "yes" || v == "on"
}
// ----------------------------------------------------------------------------
// GetDuration parses the expanded value as an time.Duration (in ns) if the
// key exists. If key does not exist or the value cannot be parsed the default
// value is returned. In almost all cases you want to use GetParsedDuration().
func (p *Properties) GetDuration(key string, def time.Duration) time.Duration {
v, err := p.getInt64(key)
if err != nil {
return def
}
return time.Duration(v)
}
// MustGetDuration parses the expanded value as an time.Duration (in ns) if
// the key exists. If key does not exist or the value cannot be parsed the
// function panics. In almost all cases you want to use MustGetParsedDuration().
func (p *Properties) MustGetDuration(key string) time.Duration {
v, err := p.getInt64(key)
if err != nil {
ErrorHandler(err)
}
return time.Duration(v)
}
// ----------------------------------------------------------------------------
// GetParsedDuration parses the expanded value with time.ParseDuration() if the key exists.
// If key does not exist or the value cannot be parsed the default
// value is returned.
func (p *Properties) GetParsedDuration(key string, def time.Duration) time.Duration {
s, ok := p.Get(key)
if !ok {
return def
}
v, err := time.ParseDuration(s)
if err != nil {
return def
}
return v
}
// MustGetParsedDuration parses the expanded value with time.ParseDuration() if the key exists.
// If key does not exist or the value cannot be parsed the function panics.
func (p *Properties) MustGetParsedDuration(key string) time.Duration {
s, ok := p.Get(key)
if !ok {
ErrorHandler(invalidKeyError(key))
}
v, err := time.ParseDuration(s)
if err != nil {
ErrorHandler(err)
}
return v
}
// ----------------------------------------------------------------------------
// GetFloat64 parses the expanded value as a float64 if the key exists.
// If key does not exist or the value cannot be parsed the default
// value is returned.
func (p *Properties) GetFloat64(key string, def float64) float64 {
v, err := p.getFloat64(key)
if err != nil {
return def
}
return v
}
// MustGetFloat64 parses the expanded value as a float64 if the key exists.
// If key does not exist or the value cannot be parsed the function panics.
func (p *Properties) MustGetFloat64(key string) float64 {
v, err := p.getFloat64(key)
if err != nil {
ErrorHandler(err)
}
return v
}
func (p *Properties) getFloat64(key string) (value float64, err error) {
if v, ok := p.Get(key); ok {
value, err = strconv.ParseFloat(v, 64)
if err != nil {
return 0, err
}
return value, nil
}
return 0, invalidKeyError(key)
}
// ----------------------------------------------------------------------------
// GetInt parses the expanded value as an int if the key exists.
// If key does not exist or the value cannot be parsed the default
// value is returned. If the value does not fit into an int the
// function panics with an out of range error.
func (p *Properties) GetInt(key string, def int) int {
v, err := p.getInt64(key)
if err != nil {
return def
}
return intRangeCheck(key, v)
}
// MustGetInt parses the expanded value as an int if the key exists.
// If key does not exist or the value cannot be parsed the function panics.
// If the value does not fit into an int the function panics with
// an out of range error.
func (p *Properties) MustGetInt(key string) int {
v, err := p.getInt64(key)
if err != nil {
ErrorHandler(err)
}
return intRangeCheck(key, v)
}
// ----------------------------------------------------------------------------
// GetInt64 parses the expanded value as an int64 if the key exists.
// If key does not exist or the value cannot be parsed the default
// value is returned.
func (p *Properties) GetInt64(key string, def int64) int64 {
v, err := p.getInt64(key)
if err != nil {
return def
}
return v
}
// MustGetInt64 parses the expanded value as an int if the key exists.
// If key does not exist or the value cannot be parsed the function panics.
func (p *Properties) MustGetInt64(key string) int64 {
v, err := p.getInt64(key)
if err != nil {
ErrorHandler(err)
}
return v
}
func (p *Properties) getInt64(key string) (value int64, err error) {
if v, ok := p.Get(key); ok {
value, err = strconv.ParseInt(v, 10, 64)
if err != nil {
return 0, err
}
return value, nil
}
return 0, invalidKeyError(key)
}
// ----------------------------------------------------------------------------
// GetUint parses the expanded value as an uint if the key exists.
// If key does not exist or the value cannot be parsed the default
// value is returned. If the value does not fit into an int the
// function panics with an out of range error.
func (p *Properties) GetUint(key string, def uint) uint {
v, err := p.getUint64(key)
if err != nil {
return def
}
return uintRangeCheck(key, v)
}
// MustGetUint parses the expanded value as an int if the key exists.
// If key does not exist or the value cannot be parsed the function panics.
// If the value does not fit into an int the function panics with
// an out of range error.
func (p *Properties) MustGetUint(key string) uint {
v, err := p.getUint64(key)
if err != nil {
ErrorHandler(err)
}
return uintRangeCheck(key, v)
}
// ----------------------------------------------------------------------------
// GetUint64 parses the expanded value as an uint64 if the key exists.
// If key does not exist or the value cannot be parsed the default
// value is returned.
func (p *Properties) GetUint64(key string, def uint64) uint64 {
v, err := p.getUint64(key)
if err != nil {
return def
}
return v
}
// MustGetUint64 parses the expanded value as an int if the key exists.
// If key does not exist or the value cannot be parsed the function panics.
func (p *Properties) MustGetUint64(key string) uint64 {
v, err := p.getUint64(key)
if err != nil {
ErrorHandler(err)
}
return v
}
func (p *Properties) getUint64(key string) (value uint64, err error) {
if v, ok := p.Get(key); ok {
value, err = strconv.ParseUint(v, 10, 64)
if err != nil {
return 0, err
}
return value, nil
}
return 0, invalidKeyError(key)
}
// ----------------------------------------------------------------------------
// GetString returns the expanded value for the given key if exists or
// the default value otherwise.
func (p *Properties) GetString(key, def string) string {
if v, ok := p.Get(key); ok {
return v
}
return def
}
// MustGetString returns the expanded value for the given key if exists or
// panics otherwise.
func (p *Properties) MustGetString(key string) string {
if v, ok := p.Get(key); ok {
return v
}
ErrorHandler(invalidKeyError(key))
panic("ErrorHandler should exit")
}
// ----------------------------------------------------------------------------
// Filter returns a new properties object which contains all properties
// for which the key matches the pattern.
func (p *Properties) Filter(pattern string) (*Properties, error) {
re, err := regexp.Compile(pattern)
if err != nil {
return nil, err
}
return p.FilterRegexp(re), nil
}
// FilterRegexp returns a new properties object which contains all properties
// for which the key matches the regular expression.
func (p *Properties) FilterRegexp(re *regexp.Regexp) *Properties {
pp := NewProperties()
for _, k := range p.k {
if re.MatchString(k) {
// TODO(fs): we are ignoring the error which flags a circular reference.
// TODO(fs): since we are just copying a subset of keys this cannot happen (fingers crossed)
pp.Set(k, p.m[k])
}
}
return pp
}
// FilterPrefix returns a new properties object with a subset of all keys
// with the given prefix.
func (p *Properties) FilterPrefix(prefix string) *Properties {
pp := NewProperties()
for _, k := range p.k {
if strings.HasPrefix(k, prefix) {
// TODO(fs): we are ignoring the error which flags a circular reference.
// TODO(fs): since we are just copying a subset of keys this cannot happen (fingers crossed)
pp.Set(k, p.m[k])
}
}
return pp
}
// FilterStripPrefix returns a new properties object with a subset of all keys
// with the given prefix and the prefix removed from the keys.
func (p *Properties) FilterStripPrefix(prefix string) *Properties {
pp := NewProperties()
n := len(prefix)
for _, k := range p.k {
if len(k) > len(prefix) && strings.HasPrefix(k, prefix) {
// TODO(fs): we are ignoring the error which flags a circular reference.
// TODO(fs): since we are modifying keys I am not entirely sure whether we can create a circular reference
// TODO(fs): this function should probably return an error but the signature is fixed
pp.Set(k[n:], p.m[k])
}
}
return pp
}
// Len returns the number of keys.
func (p *Properties) Len() int {
return len(p.m)
}
// Keys returns all keys in the same order as in the input.
func (p *Properties) Keys() []string {
keys := make([]string, len(p.k))
copy(keys, p.k)
return keys
}
// Set sets the property key to the corresponding value.
// If a value for key existed before then ok is true and prev
// contains the previous value. If the value contains a
// circular reference or a malformed expression then
// an error is returned.
// An empty key is silently ignored.
func (p *Properties) Set(key, value string) (prev string, ok bool, err error) {
if key == "" {
return "", false, nil
}
// if expansion is disabled we allow circular references
if p.DisableExpansion {
prev, ok = p.Get(key)
p.m[key] = value
if !ok {
p.k = append(p.k, key)
}
return prev, ok, nil
}
// to check for a circular reference we temporarily need
// to set the new value. If there is an error then revert
// to the previous state. Only if all tests are successful
// then we add the key to the p.k list.
prev, ok = p.Get(key)
p.m[key] = value
// now check for a circular reference
_, err = p.expand(key, value)
if err != nil {
// revert to the previous state
if ok {
p.m[key] = prev
} else {
delete(p.m, key)
}
return "", false, err
}
if !ok {
p.k = append(p.k, key)
}
return prev, ok, nil
}
// SetValue sets property key to the default string value
// as defined by fmt.Sprintf("%v").
func (p *Properties) SetValue(key string, value interface{}) error {
_, _, err := p.Set(key, fmt.Sprintf("%v", value))
return err
}
// MustSet sets the property key to the corresponding value.
// If a value for key existed before then ok is true and prev
// contains the previous value. An empty key is silently ignored.
func (p *Properties) MustSet(key, value string) (prev string, ok bool) {
prev, ok, err := p.Set(key, value)
if err != nil {
ErrorHandler(err)
}
return prev, ok
}
// String returns a string of all expanded 'key = value' pairs.
func (p *Properties) String() string {
var s string
for _, key := range p.k {
value, _ := p.Get(key)
s = fmt.Sprintf("%s%s = %s\n", s, key, value)
}
return s
}
// Write writes all unexpanded 'key = value' pairs to the given writer.
// Write returns the number of bytes written and any write error encountered.
func (p *Properties) Write(w io.Writer, enc Encoding) (n int, err error) {
return p.WriteComment(w, "", enc)
}
// WriteComment writes all unexpanced 'key = value' pairs to the given writer.
// If prefix is not empty then comments are written with a blank line and the
// given prefix. The prefix should be either "# " or "! " to be compatible with
// the properties file format. Otherwise, the properties parser will not be
// able to read the file back in. It returns the number of bytes written and
// any write error encountered.
func (p *Properties) WriteComment(w io.Writer, prefix string, enc Encoding) (n int, err error) {
var x int
for _, key := range p.k {
value := p.m[key]
if prefix != "" {
if comments, ok := p.c[key]; ok {
// don't print comments if they are all empty
allEmpty := true
for _, c := range comments {
if c != "" {
allEmpty = false
break
}
}
if !allEmpty {
// add a blank line between entries but not at the top
if len(comments) > 0 && n > 0 {
x, err = fmt.Fprintln(w)
if err != nil {
return
}
n += x
}
for _, c := range comments {
x, err = fmt.Fprintf(w, "%s%s\n", prefix, encode(c, "", enc))
if err != nil {
return
}
n += x
}
}
}
}
x, err = fmt.Fprintf(w, "%s = %s\n", encode(key, " :", enc), encode(value, "", enc))
if err != nil {
return
}
n += x
}
return
}
// Map returns a copy of the properties as a map.
func (p *Properties) Map() map[string]string {
m := make(map[string]string)
for k, v := range p.m {
m[k] = v
}
return m
}
// FilterFunc returns a copy of the properties which includes the values which passed all filters.
func (p *Properties) FilterFunc(filters ...func(k, v string) bool) *Properties {
pp := NewProperties()
outer:
for k, v := range p.m {
for _, f := range filters {
if !f(k, v) {
continue outer
}
pp.Set(k, v)
}
}
return pp
}
// ----------------------------------------------------------------------------
// Delete removes the key and its comments.
func (p *Properties) Delete(key string) {
delete(p.m, key)
delete(p.c, key)
newKeys := []string{}
for _, k := range p.k {
if k != key {
newKeys = append(newKeys, k)
}
}
p.k = newKeys
}
// Merge merges properties, comments and keys from other *Properties into p
func (p *Properties) Merge(other *Properties) {
for k, v := range other.m {
p.m[k] = v
}
for k, v := range other.c {
p.c[k] = v
}
outer:
for _, otherKey := range other.k {
for _, key := range p.k {
if otherKey == key {
continue outer
}
}
p.k = append(p.k, otherKey)
}
}
// ----------------------------------------------------------------------------
// check expands all values and returns an error if a circular reference or
// a malformed expression was found.
func (p *Properties) check() error {
for key, value := range p.m {
if _, err := p.expand(key, value); err != nil {
return err
}
}
return nil
}
func (p *Properties) expand(key, input string) (string, error) {
// no pre/postfix -> nothing to expand
if p.Prefix == "" && p.Postfix == "" {
return input, nil
}
return expand(input, []string{key}, p.Prefix, p.Postfix, p.m)
}
// expand recursively expands expressions of '(prefix)key(postfix)' to their corresponding values.
// The function keeps track of the keys that were already expanded and stops if it
// detects a circular reference or a malformed expression of the form '(prefix)key'.
func expand(s string, keys []string, prefix, postfix string, values map[string]string) (string, error) {
if len(keys) > maxExpansionDepth {
return "", fmt.Errorf("expansion too deep")
}
for {
start := strings.Index(s, prefix)
if start == -1 {
return s, nil
}
keyStart := start + len(prefix)
keyLen := strings.Index(s[keyStart:], postfix)
if keyLen == -1 {
return "", fmt.Errorf("malformed expression")
}
end := keyStart + keyLen + len(postfix) - 1
key := s[keyStart : keyStart+keyLen]
// fmt.Printf("s:%q pp:%q start:%d end:%d keyStart:%d keyLen:%d key:%q\n", s, prefix + "..." + postfix, start, end, keyStart, keyLen, key)
for _, k := range keys {
if key == k {
return "", fmt.Errorf("circular reference")
}
}
val, ok := values[key]
if !ok {
val = os.Getenv(key)
}
new_val, err := expand(val, append(keys, key), prefix, postfix, values)
if err != nil {
return "", err
}
s = s[:start] + new_val + s[end+1:]
}
return s, nil
}
// encode encodes a UTF-8 string to ISO-8859-1 and escapes some characters.
func encode(s string, special string, enc Encoding) string {
switch enc {
case UTF8:
return encodeUtf8(s, special)
case ISO_8859_1:
return encodeIso(s, special)
default:
panic(fmt.Sprintf("unsupported encoding %v", enc))
}
}
func encodeUtf8(s string, special string) string {
v := ""
for pos := 0; pos < len(s); {
r, w := utf8.DecodeRuneInString(s[pos:])
pos += w
v += escape(r, special)
}
return v
}
func encodeIso(s string, special string) string {
var r rune
var w int
var v string
for pos := 0; pos < len(s); {
switch r, w = utf8.DecodeRuneInString(s[pos:]); {
case r < 1<<8: // single byte rune -> escape special chars only
v += escape(r, special)
case r < 1<<16: // two byte rune -> unicode literal
v += fmt.Sprintf("\\u%04x", r)
default: // more than two bytes per rune -> can't encode
v += "?"
}
pos += w
}
return v
}
func escape(r rune, special string) string {
switch r {
case '\f':
return "\\f"
case '\n':
return "\\n"
case '\r':
return "\\r"
case '\t':
return "\\t"
default:
if strings.ContainsRune(special, r) {
return "\\" + string(r)
}
return string(r)
}
}
func invalidKeyError(key string) error {
return fmt.Errorf("unknown property: %s", key)
}

31
vendor/github.com/magiconair/properties/rangecheck.go generated vendored
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@ -1,31 +0,0 @@
// Copyright 2018 Frank Schroeder. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package properties
import (
"fmt"
"math"
)
// make this a var to overwrite it in a test
var is32Bit = ^uint(0) == math.MaxUint32
// intRangeCheck checks if the value fits into the int type and
// panics if it does not.
func intRangeCheck(key string, v int64) int {
if is32Bit && (v < math.MinInt32 || v > math.MaxInt32) {
panic(fmt.Sprintf("Value %d for key %s out of range", v, key))
}
return int(v)
}
// uintRangeCheck checks if the value fits into the uint type and
// panics if it does not.
func uintRangeCheck(key string, v uint64) uint {
if is32Bit && v > math.MaxUint32 {
panic(fmt.Sprintf("Value %d for key %s out of range", v, key))
}
return uint(v)
}

8
vendor/github.com/mitchellh/mapstructure/.travis.yml generated vendored
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@ -1,8 +0,0 @@
language: go
go:
- "1.11.x"
- tip
script:
- go test

21
vendor/github.com/mitchellh/mapstructure/CHANGELOG.md generated vendored
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@ -1,21 +0,0 @@
## 1.1.2
* Fix error when decode hook decodes interface implementation into interface
type. [GH-140]
## 1.1.1
* Fix panic that can happen in `decodePtr`
## 1.1.0
* Added `StringToIPHookFunc` to convert `string` to `net.IP` and `net.IPNet` [GH-133]
* Support struct to struct decoding [GH-137]
* If source map value is nil, then destination map value is nil (instead of empty)
* If source slice value is nil, then destination slice value is nil (instead of empty)
* If source pointer is nil, then destination pointer is set to nil (instead of
allocated zero value of type)
## 1.0.0
* Initial tagged stable release.

21
vendor/github.com/mitchellh/mapstructure/LICENSE generated vendored
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@ -1,21 +0,0 @@
The MIT License (MIT)
Copyright (c) 2013 Mitchell Hashimoto
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

46
vendor/github.com/mitchellh/mapstructure/README.md generated vendored
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@ -1,46 +0,0 @@
# mapstructure [![Godoc](https://godoc.org/github.com/mitchellh/mapstructure?status.svg)](https://godoc.org/github.com/mitchellh/mapstructure)
mapstructure is a Go library for decoding generic map values to structures
and vice versa, while providing helpful error handling.
This library is most useful when decoding values from some data stream (JSON,
Gob, etc.) where you don't _quite_ know the structure of the underlying data
until you read a part of it. You can therefore read a `map[string]interface{}`
and use this library to decode it into the proper underlying native Go
structure.
## Installation
Standard `go get`:
```
$ go get github.com/mitchellh/mapstructure
```
## Usage & Example
For usage and examples see the [Godoc](http://godoc.org/github.com/mitchellh/mapstructure).
The `Decode` function has examples associated with it there.
## But Why?!
Go offers fantastic standard libraries for decoding formats such as JSON.
The standard method is to have a struct pre-created, and populate that struct
from the bytes of the encoded format. This is great, but the problem is if
you have configuration or an encoding that changes slightly depending on
specific fields. For example, consider this JSON:
```json
{
"type": "person",
"name": "Mitchell"
}
```
Perhaps we can't populate a specific structure without first reading
the "type" field from the JSON. We could always do two passes over the
decoding of the JSON (reading the "type" first, and the rest later).
However, it is much simpler to just decode this into a `map[string]interface{}`
structure, read the "type" key, then use something like this library
to decode it into the proper structure.

217
vendor/github.com/mitchellh/mapstructure/decode_hooks.go generated vendored
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@ -1,217 +0,0 @@
package mapstructure
import (
"errors"
"fmt"
"net"
"reflect"
"strconv"
"strings"
"time"
)
// typedDecodeHook takes a raw DecodeHookFunc (an interface{}) and turns
// it into the proper DecodeHookFunc type, such as DecodeHookFuncType.
func typedDecodeHook(h DecodeHookFunc) DecodeHookFunc {
// Create variables here so we can reference them with the reflect pkg
var f1 DecodeHookFuncType
var f2 DecodeHookFuncKind
// Fill in the variables into this interface and the rest is done
// automatically using the reflect package.
potential := []interface{}{f1, f2}
v := reflect.ValueOf(h)
vt := v.Type()
for _, raw := range potential {
pt := reflect.ValueOf(raw).Type()
if vt.ConvertibleTo(pt) {
return v.Convert(pt).Interface()
}
}
return nil
}
// DecodeHookExec executes the given decode hook. This should be used
// since it'll naturally degrade to the older backwards compatible DecodeHookFunc
// that took reflect.Kind instead of reflect.Type.
func DecodeHookExec(
raw DecodeHookFunc,
from reflect.Type, to reflect.Type,
data interface{}) (interface{}, error) {
switch f := typedDecodeHook(raw).(type) {
case DecodeHookFuncType:
return f(from, to, data)
case DecodeHookFuncKind:
return f(from.Kind(), to.Kind(), data)
default:
return nil, errors.New("invalid decode hook signature")
}
}
// ComposeDecodeHookFunc creates a single DecodeHookFunc that
// automatically composes multiple DecodeHookFuncs.
//
// The composed funcs are called in order, with the result of the
// previous transformation.
func ComposeDecodeHookFunc(fs ...DecodeHookFunc) DecodeHookFunc {
return func(
f reflect.Type,
t reflect.Type,
data interface{}) (interface{}, error) {
var err error
for _, f1 := range fs {
data, err = DecodeHookExec(f1, f, t, data)
if err != nil {
return nil, err
}
// Modify the from kind to be correct with the new data
f = nil
if val := reflect.ValueOf(data); val.IsValid() {
f = val.Type()
}
}
return data, nil
}
}
// StringToSliceHookFunc returns a DecodeHookFunc that converts
// string to []string by splitting on the given sep.
func StringToSliceHookFunc(sep string) DecodeHookFunc {
return func(
f reflect.Kind,
t reflect.Kind,
data interface{}) (interface{}, error) {
if f != reflect.String || t != reflect.Slice {
return data, nil
}
raw := data.(string)
if raw == "" {
return []string{}, nil
}
return strings.Split(raw, sep), nil
}
}
// StringToTimeDurationHookFunc returns a DecodeHookFunc that converts
// strings to time.Duration.
func StringToTimeDurationHookFunc() DecodeHookFunc {
return func(
f reflect.Type,
t reflect.Type,
data interface{}) (interface{}, error) {
if f.Kind() != reflect.String {
return data, nil
}
if t != reflect.TypeOf(time.Duration(5)) {
return data, nil
}
// Convert it by parsing
return time.ParseDuration(data.(string))
}
}
// StringToIPHookFunc returns a DecodeHookFunc that converts
// strings to net.IP
func StringToIPHookFunc() DecodeHookFunc {
return func(
f reflect.Type,
t reflect.Type,
data interface{}) (interface{}, error) {
if f.Kind() != reflect.String {
return data, nil
}
if t != reflect.TypeOf(net.IP{}) {
return data, nil
}
// Convert it by parsing
ip := net.ParseIP(data.(string))
if ip == nil {
return net.IP{}, fmt.Errorf("failed parsing ip %v", data)
}
return ip, nil
}
}
// StringToIPNetHookFunc returns a DecodeHookFunc that converts
// strings to net.IPNet
func StringToIPNetHookFunc() DecodeHookFunc {
return func(
f reflect.Type,
t reflect.Type,
data interface{}) (interface{}, error) {
if f.Kind() != reflect.String {
return data, nil
}
if t != reflect.TypeOf(net.IPNet{}) {
return data, nil
}
// Convert it by parsing
_, net, err := net.ParseCIDR(data.(string))
return net, err
}
}
// StringToTimeHookFunc returns a DecodeHookFunc that converts
// strings to time.Time.
func StringToTimeHookFunc(layout string) DecodeHookFunc {
return func(
f reflect.Type,
t reflect.Type,
data interface{}) (interface{}, error) {
if f.Kind() != reflect.String {
return data, nil
}
if t != reflect.TypeOf(time.Time{}) {
return data, nil
}
// Convert it by parsing
return time.Parse(layout, data.(string))
}
}
// WeaklyTypedHook is a DecodeHookFunc which adds support for weak typing to
// the decoder.
//
// Note that this is significantly different from the WeaklyTypedInput option
// of the DecoderConfig.
func WeaklyTypedHook(
f reflect.Kind,
t reflect.Kind,
data interface{}) (interface{}, error) {
dataVal := reflect.ValueOf(data)
switch t {
case reflect.String:
switch f {
case reflect.Bool:
if dataVal.Bool() {
return "1", nil
}
return "0", nil
case reflect.Float32:
return strconv.FormatFloat(dataVal.Float(), 'f', -1, 64), nil
case reflect.Int:
return strconv.FormatInt(dataVal.Int(), 10), nil
case reflect.Slice:
dataType := dataVal.Type()
elemKind := dataType.Elem().Kind()
if elemKind == reflect.Uint8 {
return string(dataVal.Interface().([]uint8)), nil
}
case reflect.Uint:
return strconv.FormatUint(dataVal.Uint(), 10), nil
}
}
return data, nil
}

50
vendor/github.com/mitchellh/mapstructure/error.go generated vendored
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@ -1,50 +0,0 @@
package mapstructure
import (
"errors"
"fmt"
"sort"
"strings"
)
// Error implements the error interface and can represents multiple
// errors that occur in the course of a single decode.
type Error struct {
Errors []string
}
func (e *Error) Error() string {
points := make([]string, len(e.Errors))
for i, err := range e.Errors {
points[i] = fmt.Sprintf("* %s", err)
}
sort.Strings(points)
return fmt.Sprintf(
"%d error(s) decoding:\n\n%s",
len(e.Errors), strings.Join(points, "\n"))
}
// WrappedErrors implements the errwrap.Wrapper interface to make this
// return value more useful with the errwrap and go-multierror libraries.
func (e *Error) WrappedErrors() []error {
if e == nil {
return nil
}
result := make([]error, len(e.Errors))
for i, e := range e.Errors {
result[i] = errors.New(e)
}
return result
}
func appendErrors(errors []string, err error) []string {
switch e := err.(type) {
case *Error:
return append(errors, e.Errors...)
default:
return append(errors, e.Error())
}
}

1
vendor/github.com/mitchellh/mapstructure/go.mod generated vendored
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@ -1 +0,0 @@
module github.com/mitchellh/mapstructure

1149
vendor/github.com/mitchellh/mapstructure/mapstructure.go generated vendored
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File diff suppressed because it is too large Load Diff

2
vendor/github.com/pelletier/go-toml/.gitignore generated vendored
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@ -1,2 +0,0 @@
test_program/test_program_bin
fuzz/

23
vendor/github.com/pelletier/go-toml/.travis.yml generated vendored
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@ -1,23 +0,0 @@
sudo: false
language: go
go:
- 1.8.x
- 1.9.x
- 1.10.x
- tip
matrix:
allow_failures:
- go: tip
fast_finish: true
script:
- if [ -n "$(go fmt ./...)" ]; then exit 1; fi
- ./test.sh
- ./benchmark.sh $TRAVIS_BRANCH https://github.com/$TRAVIS_REPO_SLUG.git
before_install:
- go get github.com/axw/gocov/gocov
- go get github.com/mattn/goveralls
- if ! go get code.google.com/p/go.tools/cmd/cover; then go get golang.org/x/tools/cmd/cover; fi
branches:
only: [master]
after_success:
- $HOME/gopath/bin/goveralls -service=travis-ci -coverprofile=coverage.out -repotoken $COVERALLS_TOKEN

21
vendor/github.com/pelletier/go-toml/LICENSE generated vendored
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@ -1,21 +0,0 @@
The MIT License (MIT)
Copyright (c) 2013 - 2017 Thomas Pelletier, Eric Anderton
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

131
vendor/github.com/pelletier/go-toml/README.md generated vendored
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@ -1,131 +0,0 @@
# go-toml
Go library for the [TOML](https://github.com/mojombo/toml) format.
This library supports TOML version
[v0.4.0](https://github.com/toml-lang/toml/blob/master/versions/en/toml-v0.4.0.md)
[![GoDoc](https://godoc.org/github.com/pelletier/go-toml?status.svg)](http://godoc.org/github.com/pelletier/go-toml)
[![license](https://img.shields.io/github/license/pelletier/go-toml.svg)](https://github.com/pelletier/go-toml/blob/master/LICENSE)
[![Build Status](https://travis-ci.org/pelletier/go-toml.svg?branch=master)](https://travis-ci.org/pelletier/go-toml)
[![Coverage Status](https://coveralls.io/repos/github/pelletier/go-toml/badge.svg?branch=master)](https://coveralls.io/github/pelletier/go-toml?branch=master)
[![Go Report Card](https://goreportcard.com/badge/github.com/pelletier/go-toml)](https://goreportcard.com/report/github.com/pelletier/go-toml)
## Features
Go-toml provides the following features for using data parsed from TOML documents:
* Load TOML documents from files and string data
* Easily navigate TOML structure using Tree
* Mashaling and unmarshaling to and from data structures
* Line & column position data for all parsed elements
* [Query support similar to JSON-Path](query/)
* Syntax errors contain line and column numbers
## Import
```go
import "github.com/pelletier/go-toml"
```
## Usage example
Read a TOML document:
```go
config, _ := toml.Load(`
[postgres]
user = "pelletier"
password = "mypassword"`)
// retrieve data directly
user := config.Get("postgres.user").(string)
// or using an intermediate object
postgresConfig := config.Get("postgres").(*toml.Tree)
password := postgresConfig.Get("password").(string)
```
Or use Unmarshal:
```go
type Postgres struct {
User string
Password string
}
type Config struct {
Postgres Postgres
}
doc := []byte(`
[Postgres]
User = "pelletier"
Password = "mypassword"`)
config := Config{}
toml.Unmarshal(doc, &config)
fmt.Println("user=", config.Postgres.User)
```
Or use a query:
```go
// use a query to gather elements without walking the tree
q, _ := query.Compile("$..[user,password]")
results := q.Execute(config)
for ii, item := range results.Values() {
fmt.Println("Query result %d: %v", ii, item)
}
```
## Documentation
The documentation and additional examples are available at
[godoc.org](http://godoc.org/github.com/pelletier/go-toml).
## Tools
Go-toml provides two handy command line tools:
* `tomll`: Reads TOML files and lint them.
```
go install github.com/pelletier/go-toml/cmd/tomll
tomll --help
```
* `tomljson`: Reads a TOML file and outputs its JSON representation.
```
go install github.com/pelletier/go-toml/cmd/tomljson
tomljson --help
```
## Contribute
Feel free to report bugs and patches using GitHub's pull requests system on
[pelletier/go-toml](https://github.com/pelletier/go-toml). Any feedback would be
much appreciated!
### Run tests
You have to make sure two kind of tests run:
1. The Go unit tests
2. The TOML examples base
You can run both of them using `./test.sh`.
### Fuzzing
The script `./fuzz.sh` is available to
run [go-fuzz](https://github.com/dvyukov/go-fuzz) on go-toml.
## Versioning
Go-toml follows [Semantic Versioning](http://semver.org/). The supported version
of [TOML](https://github.com/toml-lang/toml) is indicated at the beginning of
this document. The last two major versions of Go are supported
(see [Go Release Policy](https://golang.org/doc/devel/release.html#policy)).
## License
The MIT License (MIT). Read [LICENSE](LICENSE).

164
vendor/github.com/pelletier/go-toml/benchmark.json generated vendored
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@ -1,164 +0,0 @@
{
"array": {
"key1": [
1,
2,
3
],
"key2": [
"red",
"yellow",
"green"
],
"key3": [
[
1,
2
],
[
3,
4,
5
]
],
"key4": [
[
1,
2
],
[
"a",
"b",
"c"
]
],
"key5": [
1,
2,
3
],
"key6": [
1,
2
]
},
"boolean": {
"False": false,
"True": true
},
"datetime": {
"key1": "1979-05-27T07:32:00Z",
"key2": "1979-05-27T00:32:00-07:00",
"key3": "1979-05-27T00:32:00.999999-07:00"
},
"float": {
"both": {
"key": 6.626e-34
},
"exponent": {
"key1": 5e+22,
"key2": 1000000,
"key3": -0.02
},
"fractional": {
"key1": 1,
"key2": 3.1415,
"key3": -0.01
},
"underscores": {
"key1": 9224617.445991227,
"key2": 1e+100
}
},
"fruit": [{
"name": "apple",
"physical": {
"color": "red",
"shape": "round"
},
"variety": [{
"name": "red delicious"
},
{
"name": "granny smith"
}
]
},
{
"name": "banana",
"variety": [{
"name": "plantain"
}]
}
],
"integer": {
"key1": 99,
"key2": 42,
"key3": 0,
"key4": -17,
"underscores": {
"key1": 1000,
"key2": 5349221,
"key3": 12345
}
},
"products": [{
"name": "Hammer",
"sku": 738594937
},
{},
{
"color": "gray",
"name": "Nail",
"sku": 284758393
}
],
"string": {
"basic": {
"basic": "I'm a string. \"You can quote me\". Name\tJosé\nLocation\tSF."
},
"literal": {
"multiline": {
"lines": "The first newline is\ntrimmed in raw strings.\n All other whitespace\n is preserved.\n",
"regex2": "I [dw]on't need \\d{2} apples"
},
"quoted": "Tom \"Dubs\" Preston-Werner",
"regex": "\u003c\\i\\c*\\s*\u003e",
"winpath": "C:\\Users\\nodejs\\templates",
"winpath2": "\\\\ServerX\\admin$\\system32\\"
},
"multiline": {
"continued": {
"key1": "The quick brown fox jumps over the lazy dog.",
"key2": "The quick brown fox jumps over the lazy dog.",
"key3": "The quick brown fox jumps over the lazy dog."
},
"key1": "One\nTwo",
"key2": "One\nTwo",
"key3": "One\nTwo"
}
},
"table": {
"inline": {
"name": {
"first": "Tom",
"last": "Preston-Werner"
},
"point": {
"x": 1,
"y": 2
}
},
"key": "value",
"subtable": {
"key": "another value"
}
},
"x": {
"y": {
"z": {
"w": {}
}
}
}
}

32
vendor/github.com/pelletier/go-toml/benchmark.sh generated vendored
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@ -1,32 +0,0 @@
#!/bin/bash
set -e
reference_ref=${1:-master}
reference_git=${2:-.}
if ! `hash benchstat 2>/dev/null`; then
echo "Installing benchstat"
go get golang.org/x/perf/cmd/benchstat
go install golang.org/x/perf/cmd/benchstat
fi
tempdir=`mktemp -d /tmp/go-toml-benchmark-XXXXXX`
ref_tempdir="${tempdir}/ref"
ref_benchmark="${ref_tempdir}/benchmark-`echo -n ${reference_ref}|tr -s '/' '-'`.txt"
local_benchmark="`pwd`/benchmark-local.txt"
echo "=== ${reference_ref} (${ref_tempdir})"
git clone ${reference_git} ${ref_tempdir} >/dev/null 2>/dev/null
pushd ${ref_tempdir} >/dev/null
git checkout ${reference_ref} >/dev/null 2>/dev/null
go test -bench=. -benchmem | tee ${ref_benchmark}
popd >/dev/null
echo ""
echo "=== local"
go test -bench=. -benchmem | tee ${local_benchmark}
echo ""
echo "=== diff"
benchstat -delta-test=none ${ref_benchmark} ${local_benchmark}

244
vendor/github.com/pelletier/go-toml/benchmark.toml generated vendored
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@ -1,244 +0,0 @@
################################################################################
## Comment
# Speak your mind with the hash symbol. They go from the symbol to the end of
# the line.
################################################################################
## Table
# Tables (also known as hash tables or dictionaries) are collections of
# key/value pairs. They appear in square brackets on a line by themselves.
[table]
key = "value" # Yeah, you can do this.
# Nested tables are denoted by table names with dots in them. Name your tables
# whatever crap you please, just don't use #, ., [ or ].
[table.subtable]
key = "another value"
# You don't need to specify all the super-tables if you don't want to. TOML
# knows how to do it for you.
# [x] you
# [x.y] don't
# [x.y.z] need these
[x.y.z.w] # for this to work
################################################################################
## Inline Table
# Inline tables provide a more compact syntax for expressing tables. They are
# especially useful for grouped data that can otherwise quickly become verbose.
# Inline tables are enclosed in curly braces `{` and `}`. No newlines are
# allowed between the curly braces unless they are valid within a value.
[table.inline]
name = { first = "Tom", last = "Preston-Werner" }
point = { x = 1, y = 2 }
################################################################################
## String
# There are four ways to express strings: basic, multi-line basic, literal, and
# multi-line literal. All strings must contain only valid UTF-8 characters.
[string.basic]
basic = "I'm a string. \"You can quote me\". Name\tJos\u00E9\nLocation\tSF."
[string.multiline]
# The following strings are byte-for-byte equivalent:
key1 = "One\nTwo"
key2 = """One\nTwo"""
key3 = """
One
Two"""
[string.multiline.continued]
# The following strings are byte-for-byte equivalent:
key1 = "The quick brown fox jumps over the lazy dog."
key2 = """
The quick brown \
fox jumps over \
the lazy dog."""
key3 = """\
The quick brown \
fox jumps over \
the lazy dog.\
"""
[string.literal]
# What you see is what you get.
winpath = 'C:\Users\nodejs\templates'
winpath2 = '\\ServerX\admin$\system32\'
quoted = 'Tom "Dubs" Preston-Werner'
regex = '<\i\c*\s*>'
[string.literal.multiline]
regex2 = '''I [dw]on't need \d{2} apples'''
lines = '''
The first newline is
trimmed in raw strings.
All other whitespace
is preserved.
'''
################################################################################
## Integer
# Integers are whole numbers. Positive numbers may be prefixed with a plus sign.
# Negative numbers are prefixed with a minus sign.
[integer]
key1 = +99
key2 = 42
key3 = 0
key4 = -17
[integer.underscores]
# For large numbers, you may use underscores to enhance readability. Each
# underscore must be surrounded by at least one digit.
key1 = 1_000
key2 = 5_349_221
key3 = 1_2_3_4_5 # valid but inadvisable
################################################################################
## Float
# A float consists of an integer part (which may be prefixed with a plus or
# minus sign) followed by a fractional part and/or an exponent part.
[float.fractional]
key1 = +1.0
key2 = 3.1415
key3 = -0.01
[float.exponent]
key1 = 5e+22
key2 = 1e6
key3 = -2E-2
[float.both]
key = 6.626e-34
[float.underscores]
key1 = 9_224_617.445_991_228_313
key2 = 1e1_00
################################################################################
## Boolean
# Booleans are just the tokens you're used to. Always lowercase.
[boolean]
True = true
False = false
################################################################################
## Datetime
# Datetimes are RFC 3339 dates.
[datetime]
key1 = 1979-05-27T07:32:00Z
key2 = 1979-05-27T00:32:00-07:00
key3 = 1979-05-27T00:32:00.999999-07:00
################################################################################
## Array
# Arrays are square brackets with other primitives inside. Whitespace is
# ignored. Elements are separated by commas. Data types may not be mixed.
[array]
key1 = [ 1, 2, 3 ]
key2 = [ "red", "yellow", "green" ]
key3 = [ [ 1, 2 ], [3, 4, 5] ]
#key4 = [ [ 1, 2 ], ["a", "b", "c"] ] # this is ok
# Arrays can also be multiline. So in addition to ignoring whitespace, arrays
# also ignore newlines between the brackets. Terminating commas are ok before
# the closing bracket.
key5 = [
1, 2, 3
]
key6 = [
1,
2, # this is ok
]
################################################################################
## Array of Tables
# These can be expressed by using a table name in double brackets. Each table
# with the same double bracketed name will be an element in the array. The
# tables are inserted in the order encountered.
[[products]]
name = "Hammer"
sku = 738594937
[[products]]
[[products]]
name = "Nail"
sku = 284758393
color = "gray"
# You can create nested arrays of tables as well.
[[fruit]]
name = "apple"
[fruit.physical]
color = "red"
shape = "round"
[[fruit.variety]]
name = "red delicious"
[[fruit.variety]]
name = "granny smith"
[[fruit]]
name = "banana"
[[fruit.variety]]
name = "plantain"

121
vendor/github.com/pelletier/go-toml/benchmark.yml generated vendored
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@ -1,121 +0,0 @@
---
array:
key1:
- 1
- 2
- 3
key2:
- red
- yellow
- green
key3:
- - 1
- 2
- - 3
- 4
- 5
key4:
- - 1
- 2
- - a
- b
- c
key5:
- 1
- 2
- 3
key6:
- 1
- 2
boolean:
'False': false
'True': true
datetime:
key1: '1979-05-27T07:32:00Z'
key2: '1979-05-27T00:32:00-07:00'
key3: '1979-05-27T00:32:00.999999-07:00'
float:
both:
key: 6.626e-34
exponent:
key1: 5.0e+22
key2: 1000000
key3: -0.02
fractional:
key1: 1
key2: 3.1415
key3: -0.01
underscores:
key1: 9224617.445991227
key2: 1.0e+100
fruit:
- name: apple
physical:
color: red
shape: round
variety:
- name: red delicious
- name: granny smith
- name: banana
variety:
- name: plantain
integer:
key1: 99
key2: 42
key3: 0
key4: -17
underscores:
key1: 1000
key2: 5349221
key3: 12345
products:
- name: Hammer
sku: 738594937
- {}
- color: gray
name: Nail
sku: 284758393
string:
basic:
basic: "I'm a string. \"You can quote me\". Name\tJosé\nLocation\tSF."
literal:
multiline:
lines: |
The first newline is
trimmed in raw strings.
All other whitespace
is preserved.
regex2: I [dw]on't need \d{2} apples
quoted: Tom "Dubs" Preston-Werner
regex: "<\\i\\c*\\s*>"
winpath: C:\Users\nodejs\templates
winpath2: "\\\\ServerX\\admin$\\system32\\"
multiline:
continued:
key1: The quick brown fox jumps over the lazy dog.
key2: The quick brown fox jumps over the lazy dog.
key3: The quick brown fox jumps over the lazy dog.
key1: |-
One
Two
key2: |-
One
Two
key3: |-
One
Two
table:
inline:
name:
first: Tom
last: Preston-Werner
point:
x: 1
y: 2
key: value
subtable:
key: another value
x:
y:
z:
w: {}

23
vendor/github.com/pelletier/go-toml/doc.go generated vendored
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@ -1,23 +0,0 @@
// Package toml is a TOML parser and manipulation library.
//
// This version supports the specification as described in
// https://github.com/toml-lang/toml/blob/master/versions/en/toml-v0.4.0.md
//
// Marshaling
//
// Go-toml can marshal and unmarshal TOML documents from and to data
// structures.
//
// TOML document as a tree
//
// Go-toml can operate on a TOML document as a tree. Use one of the Load*
// functions to parse TOML data and obtain a Tree instance, then one of its
// methods to manipulate the tree.
//
// JSONPath-like queries
//
// The package github.com/pelletier/go-toml/query implements a system
// similar to JSONPath to quickly retrieve elements of a TOML document using a
// single expression. See the package documentation for more information.
//
package toml

29
vendor/github.com/pelletier/go-toml/example-crlf.toml generated vendored
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@ -1,29 +0,0 @@
# This is a TOML document. Boom.
title = "TOML Example"
[owner]
name = "Tom Preston-Werner"
organization = "GitHub"
bio = "GitHub Cofounder & CEO\nLikes tater tots and beer."
dob = 1979-05-27T07:32:00Z # First class dates? Why not?
[database]
server = "192.168.1.1"
ports = [ 8001, 8001, 8002 ]
connection_max = 5000
enabled = true
[servers]
# You can indent as you please. Tabs or spaces. TOML don't care.
[servers.alpha]
ip = "10.0.0.1"
dc = "eqdc10"
[servers.beta]
ip = "10.0.0.2"
dc = "eqdc10"
[clients]
data = [ ["gamma", "delta"], [1, 2] ] # just an update to make sure parsers support it

29
vendor/github.com/pelletier/go-toml/example.toml generated vendored
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@ -1,29 +0,0 @@
# This is a TOML document. Boom.
title = "TOML Example"
[owner]
name = "Tom Preston-Werner"
organization = "GitHub"
bio = "GitHub Cofounder & CEO\nLikes tater tots and beer."
dob = 1979-05-27T07:32:00Z # First class dates? Why not?
[database]
server = "192.168.1.1"
ports = [ 8001, 8001, 8002 ]
connection_max = 5000
enabled = true
[servers]
# You can indent as you please. Tabs or spaces. TOML don't care.
[servers.alpha]
ip = "10.0.0.1"
dc = "eqdc10"
[servers.beta]
ip = "10.0.0.2"
dc = "eqdc10"
[clients]
data = [ ["gamma", "delta"], [1, 2] ] # just an update to make sure parsers support it

31
vendor/github.com/pelletier/go-toml/fuzz.go generated vendored
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@ -1,31 +0,0 @@
// +build gofuzz
package toml
func Fuzz(data []byte) int {
tree, err := LoadBytes(data)
if err != nil {
if tree != nil {
panic("tree must be nil if there is an error")
}
return 0
}
str, err := tree.ToTomlString()
if err != nil {
if str != "" {
panic(`str must be "" if there is an error`)
}
panic(err)
}
tree, err = Load(str)
if err != nil {
if tree != nil {
panic("tree must be nil if there is an error")
}
return 0
}
return 1
}

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