telebit/vendor/github.com/jcmturner/rpc/v2/ndr/strings.go

71 lines
1.5 KiB
Go

package ndr
import (
"fmt"
"reflect"
)
const (
subStringArrayTag = `ndr:"varying,X-subStringArray"`
subStringArrayValue = "X-subStringArray"
)
func uint16SliceToString(a []uint16) string {
s := make([]rune, len(a), len(a))
for i := range s {
s[i] = rune(a[i])
}
if len(s) > 0 {
// Remove any null terminator
if s[len(s)-1] == rune(0) {
s = s[:len(s)-1]
}
}
return string(s)
}
func (dec *Decoder) readVaryingString(def *[]deferedPtr) (string, error) {
a := new([]uint16)
v := reflect.ValueOf(a)
var t reflect.StructTag
err := dec.fillUniDimensionalVaryingArray(v.Elem(), t, def)
if err != nil {
return "", err
}
s := uint16SliceToString(*a)
return s, nil
}
func (dec *Decoder) readConformantVaryingString(def *[]deferedPtr) (string, error) {
a := new([]uint16)
v := reflect.ValueOf(a)
var t reflect.StructTag
err := dec.fillUniDimensionalConformantVaryingArray(v.Elem(), t, def)
if err != nil {
return "", err
}
s := uint16SliceToString(*a)
return s, nil
}
func (dec *Decoder) readStringsArray(v reflect.Value, tag reflect.StructTag, def *[]deferedPtr) error {
d, _ := sliceDimensions(v.Type())
ndrTag := parseTags(tag)
var m []int
//var ms int
if ndrTag.HasValue(TagConformant) {
for i := 0; i < d; i++ {
m = append(m, int(dec.precedingMax()))
}
//common max size
_ = dec.precedingMax()
//ms = int(n)
}
tag = reflect.StructTag(subStringArrayTag)
err := dec.fillVaryingArray(v, tag, def)
if err != nil {
return fmt.Errorf("could not read string array: %v", err)
}
return nil
}