You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
130 lines
2.8 KiB
Go
130 lines
2.8 KiB
Go
// Code generated by golang.org/x/tools/cmd/bundle. DO NOT EDIT.
|
|
|
|
// Package quoted provides string manipulation utilities.
|
|
//
|
|
|
|
package main
|
|
|
|
import (
|
|
"flag"
|
|
"fmt"
|
|
"strings"
|
|
"unicode"
|
|
)
|
|
|
|
func cmdgoQuotedisSpaceByte(c byte) bool {
|
|
return c == ' ' || c == '\t' || c == '\n' || c == '\r'
|
|
}
|
|
|
|
// Split splits s into a list of fields,
|
|
// allowing single or double quotes around elements.
|
|
// There is no unescaping or other processing within
|
|
// quoted fields.
|
|
//
|
|
// Keep in sync with cmd/dist/quoted.go
|
|
func cmdgoQuotedSplit(s string) ([]string, error) {
|
|
// Split fields allowing '' or "" around elements.
|
|
// Quotes further inside the string do not count.
|
|
var f []string
|
|
for len(s) > 0 {
|
|
for len(s) > 0 && cmdgoQuotedisSpaceByte(s[0]) {
|
|
s = s[1:]
|
|
}
|
|
if len(s) == 0 {
|
|
break
|
|
}
|
|
// Accepted quoted string. No unescaping inside.
|
|
if s[0] == '"' || s[0] == '\'' {
|
|
quote := s[0]
|
|
s = s[1:]
|
|
i := 0
|
|
for i < len(s) && s[i] != quote {
|
|
i++
|
|
}
|
|
if i >= len(s) {
|
|
return nil, fmt.Errorf("unterminated %c string", quote)
|
|
}
|
|
f = append(f, s[:i])
|
|
s = s[i+1:]
|
|
continue
|
|
}
|
|
i := 0
|
|
for i < len(s) && !cmdgoQuotedisSpaceByte(s[i]) {
|
|
i++
|
|
}
|
|
f = append(f, s[:i])
|
|
s = s[i:]
|
|
}
|
|
return f, nil
|
|
}
|
|
|
|
// Join joins a list of arguments into a string that can be parsed
|
|
// with Split. Arguments are quoted only if necessary; arguments
|
|
// without spaces or quotes are kept as-is. No argument may contain both
|
|
// single and double quotes.
|
|
func cmdgoQuotedJoin(args []string) (string, error) {
|
|
var buf []byte
|
|
for i, arg := range args {
|
|
if i > 0 {
|
|
buf = append(buf, ' ')
|
|
}
|
|
var sawSpace, sawSingleQuote, sawDoubleQuote bool
|
|
for _, c := range arg {
|
|
switch {
|
|
case c > unicode.MaxASCII:
|
|
continue
|
|
case cmdgoQuotedisSpaceByte(byte(c)):
|
|
sawSpace = true
|
|
case c == '\'':
|
|
sawSingleQuote = true
|
|
case c == '"':
|
|
sawDoubleQuote = true
|
|
}
|
|
}
|
|
switch {
|
|
case !sawSpace && !sawSingleQuote && !sawDoubleQuote:
|
|
buf = append(buf, arg...)
|
|
|
|
case !sawSingleQuote:
|
|
buf = append(buf, '\'')
|
|
buf = append(buf, arg...)
|
|
buf = append(buf, '\'')
|
|
|
|
case !sawDoubleQuote:
|
|
buf = append(buf, '"')
|
|
buf = append(buf, arg...)
|
|
buf = append(buf, '"')
|
|
|
|
default:
|
|
return "", fmt.Errorf("argument %q contains both single and double quotes and cannot be quoted", arg)
|
|
}
|
|
}
|
|
return string(buf), nil
|
|
}
|
|
|
|
// A Flag parses a list of string arguments encoded with Join.
|
|
// It is useful for flags like cmd/link's -extldflags.
|
|
type cmdgoQuotedFlag []string
|
|
|
|
var _ flag.Value = (*cmdgoQuotedFlag)(nil)
|
|
|
|
func (f *cmdgoQuotedFlag) Set(v string) error {
|
|
fs, err := cmdgoQuotedSplit(v)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
*f = fs[:len(fs):len(fs)]
|
|
return nil
|
|
}
|
|
|
|
func (f *cmdgoQuotedFlag) String() string {
|
|
if f == nil {
|
|
return ""
|
|
}
|
|
s, err := cmdgoQuotedJoin(*f)
|
|
if err != nil {
|
|
return strings.Join(*f, " ")
|
|
}
|
|
return s
|
|
}
|