81 lines
2.3 KiB
Go
81 lines
2.3 KiB
Go
// Copyright (C) 2014 The Syncthing Authors.
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify it
|
|
// under the terms of the GNU General Public License as published by the Free
|
|
// Software Foundation, either version 3 of the License, or (at your option)
|
|
// any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful, but WITHOUT
|
|
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
// more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License along
|
|
// with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package fnmatch
|
|
|
|
import (
|
|
"path/filepath"
|
|
"regexp"
|
|
"runtime"
|
|
"strings"
|
|
)
|
|
|
|
const (
|
|
FNM_NOESCAPE = (1 << iota)
|
|
FNM_PATHNAME
|
|
FNM_CASEFOLD
|
|
)
|
|
|
|
func Convert(pattern string, flags int) (*regexp.Regexp, error) {
|
|
any := "."
|
|
|
|
switch runtime.GOOS {
|
|
case "windows":
|
|
flags |= FNM_NOESCAPE | FNM_CASEFOLD
|
|
pattern = filepath.FromSlash(pattern)
|
|
if flags&FNM_PATHNAME != 0 {
|
|
any = "[^\\\\]"
|
|
}
|
|
case "darwin":
|
|
flags |= FNM_CASEFOLD
|
|
fallthrough
|
|
default:
|
|
if flags&FNM_PATHNAME != 0 {
|
|
any = "[^/]"
|
|
}
|
|
}
|
|
|
|
if flags&FNM_NOESCAPE != 0 {
|
|
pattern = strings.Replace(pattern, "\\", "\\\\", -1)
|
|
} else {
|
|
pattern = strings.Replace(pattern, "\\*", "[:escapedstar:]", -1)
|
|
pattern = strings.Replace(pattern, "\\?", "[:escapedques:]", -1)
|
|
pattern = strings.Replace(pattern, "\\.", "[:escapeddot:]", -1)
|
|
}
|
|
pattern = strings.Replace(pattern, ".", "\\.", -1)
|
|
pattern = strings.Replace(pattern, "**", "[:doublestar:]", -1)
|
|
pattern = strings.Replace(pattern, "*", any+"*", -1)
|
|
pattern = strings.Replace(pattern, "[:doublestar:]", ".*", -1)
|
|
pattern = strings.Replace(pattern, "?", any, -1)
|
|
pattern = strings.Replace(pattern, "[:escapedstar:]", "\\*", -1)
|
|
pattern = strings.Replace(pattern, "[:escapedques:]", "\\?", -1)
|
|
pattern = strings.Replace(pattern, "[:escapeddot:]", "\\.", -1)
|
|
pattern = "^" + pattern + "$"
|
|
if flags&FNM_CASEFOLD != 0 {
|
|
pattern = "(?i)" + pattern
|
|
}
|
|
return regexp.Compile(pattern)
|
|
}
|
|
|
|
// Matches the pattern against the string, with the given flags,
|
|
// and returns true if the match is successful.
|
|
func Match(pattern, s string, flags int) (bool, error) {
|
|
exp, err := Convert(pattern, flags)
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
return exp.MatchString(s), nil
|
|
}
|