mirror of
https://github.com/minio/minio.git
synced 2024-12-25 14:45:54 -05:00
69 lines
2.2 KiB
Go
69 lines
2.2 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
|
|
//
|
|
// This file is part of MinIO Object Storage stack
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero 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 Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package wildcard
|
|
|
|
// MatchSimple - finds whether the text matches/satisfies the pattern string.
|
|
// supports only '*' wildcard in the pattern.
|
|
// considers a file system path as a flat name space.
|
|
func MatchSimple(pattern, name string) bool {
|
|
if pattern == "" {
|
|
return name == pattern
|
|
}
|
|
if pattern == "*" {
|
|
return true
|
|
}
|
|
// Does only wildcard '*' match.
|
|
return deepMatchRune([]rune(name), []rune(pattern), true)
|
|
}
|
|
|
|
// Match - finds whether the text matches/satisfies the pattern string.
|
|
// supports '*' and '?' wildcards in the pattern string.
|
|
// unlike path.Match(), considers a path as a flat name space while matching the pattern.
|
|
// The difference is illustrated in the example here https://play.golang.org/p/Ega9qgD4Qz .
|
|
func Match(pattern, name string) (matched bool) {
|
|
if pattern == "" {
|
|
return name == pattern
|
|
}
|
|
if pattern == "*" {
|
|
return true
|
|
}
|
|
// Does extended wildcard '*' and '?' match.
|
|
return deepMatchRune([]rune(name), []rune(pattern), false)
|
|
}
|
|
|
|
func deepMatchRune(str, pattern []rune, simple bool) bool {
|
|
for len(pattern) > 0 {
|
|
switch pattern[0] {
|
|
default:
|
|
if len(str) == 0 || str[0] != pattern[0] {
|
|
return false
|
|
}
|
|
case '?':
|
|
if len(str) == 0 && !simple {
|
|
return false
|
|
}
|
|
case '*':
|
|
return deepMatchRune(str, pattern[1:], simple) ||
|
|
(len(str) > 0 && deepMatchRune(str[1:], pattern, simple))
|
|
}
|
|
str = str[1:]
|
|
pattern = pattern[1:]
|
|
}
|
|
return len(str) == 0 && len(pattern) == 0
|
|
}
|