clean parsing

.gitignore

@@ -10,3 +10,4 @@ Cargo.lock
 # These are backup files generated by rustfmt
 **/*.rs.bk
 
+grrs

Cargo.toml

@@ -4,5 +4,4 @@ version = "0.1.0"
 authors = ["lastlink <theefunk@gmail.com>"]
 edition = "2018"
 
-[dependencies]
-clap = "*"
+[dependencies]

README.md

@@ -1,3 +1,14 @@
 # sclient.rust
 
-compare https://git.rootprojects.org/root/sclient.go/src/branch/master
+compare https://git.rootprojects.org/root/sclient.go/src/branch/master
+
+## getting started
+
+* run directly
+    * `cargo run -- -servername example -k example.com 3000`
+    * `cargo run test`
+    * `cargo run -- --help`
+* build
+    * `cargo build`
+    * `target/debug/sclient --help` run from build
+    * `.\target\debug\sclient.exe --help` windows cmd

src/main.rs

@@ -1,43 +1,69 @@
-use clap::*;
-fn main() {
-  let app = App::new("sclient")
-    .arg(
-      Arg::with_name("pattern")
-        .long("pattern")
-        .takes_value(true)
-        .required(true),
-    )
-    .arg(
-      Arg::with_name("servername")
-        .long("servername")
-        .takes_value(true)
-        .required(true),
-    )
-    .arg(
-      Arg::with_name("k")
-        .short("k")
-        .takes_value(true) // remove if t/f
-        .required(true),
+use std::env;
+
+fn help() {
+    println!(
+        "Usage: sclient  [--servername <string>] [-k | --insecure] [ssh|rsync] <remote> <port>
+            ex: sclient whatever.com 3000
+                (whatever.com:443 localhost:3000)
+            ex: sclient whatever.com:4080 0.0.0.0:3000"
     );
-  // println!("Hello, world!");
-  //
-  let matches = app.get_matches();
-  println!("{}", matches.value_of("pattern").unwrap());
 }
 
-// cargo run test
-// cargo build
-// cargo run -- --help
-// target/debug/sclient --help
-// target/debug/sclient --pattern=kevin
+fn main() {
+    let args: Vec<String> = env::args().collect();
 
-struct Cli {
-  pattern: String,
-  path: std::path::PathBuf,
+    if args
+        .iter()
+        .any(|element| element == "-h" || element == "--help")
+    {
+        help();
+        return;
+    }
+
+    let mut flags = Flags::default();
+
+    // try!()
+    if args
+        .iter()
+        .any(|element| element == "-k" || element == "--insecure")
+    {
+        flags.insecure = true;
+    }
+
+    let serverNameArg = args
+        .iter()
+        .enumerate()
+        .find(|(index, element)| *element == "-servername");
+
+    if let Some((index, _)) = serverNameArg {
+        flags.servername = args[index + 1].clone(); 
+    }
+
+    // get port
+    let maybe_port = args[args.len() - 1].parse::<i32>();
+    if maybe_port.is_ok() {
+        // pull out of maybe option error
+        flags.port = maybe_port.unwrap();
+    } else {
+        help();
+        print!("<port> needs to be an integer");
+    }
+    // get remote
+    flags.remote = args[args.len() - 2].clone();
+
+    if args[args.len() - 3] == "ssh" || args[args.len() - 3] == "rsync" {
+        flags.custom = args[args.len() - 3].clone();
+    }
+
+    dbg!(flags);
+    // tls port forward functionality
+}
+
+#[derive(Default, Debug)]
+struct Flags {
+    insecure: bool,
+    servername: String,
+    remote: String,
+    custom: String,
+    port: i32,
 }
-// insecure := flag.Bool("k", false, "ignore bad TLS/SSL/HTTPS certificates")
-// 	servername := flag.String("servername", "", "specify a servername different from <remote> (to disable SNI use an IP as <remote> and do use this option)")
-// 	flag.BoolVar(insecure, "insecure", false, "ignore bad TLS/SSL/HTTPS certificates")
-// 	flag.Parse()
-// 	remotestr := flag.Arg(0)
-// 	localstr := flag.Arg(1)