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|
package args
import (
"strings"
"github.com/osm/quake/common/buffer"
)
type Arg struct {
Cmd string
Args []string
}
func Parse(input string) []Arg {
var arg string
var args []string
var ret []Arg
var inQuotes bool
for _, c := range input {
switch c {
case '\n', ';':
if inQuotes {
arg += string(c)
continue
}
if arg != "" {
args = append(args, strings.TrimSpace(arg))
}
ret = append(ret, Arg{Cmd: strings.TrimSpace(args[0]), Args: args[1:]})
arg = ""
args = []string{}
case ' ':
if inQuotes {
arg += string(c)
continue
}
if arg != "" {
args = append(args, strings.TrimSpace(arg))
arg = ""
}
case '"':
inQuotes = !inQuotes
arg += string(c)
default:
arg += string(c)
}
}
if arg != "" {
args = append(args, strings.TrimSpace(arg))
}
if len(args) > 0 {
ret = append(ret, Arg{Cmd: strings.TrimSpace(args[0]), Args: args[1:]})
}
return ret
}
func (s Arg) Bytes() []byte {
buf := buffer.New()
buf.PutBytes([]byte(s.Cmd))
if len(s.Args) > 0 {
buf.PutByte(byte(' '))
buf.PutBytes([]byte(strings.Join(s.Args, " ")))
}
return buf.Bytes()
}
func (s Arg) String() string {
return string(s.Bytes())
}
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