| // Copyright 2014 Google Inc. All rights reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package pathtools |
| |
| import ( |
| "path/filepath" |
| "strings" |
| ) |
| |
| // Glob returns the list of files that match the given pattern along with the |
| // list of directories that were searched to construct the file list. |
| func Glob(pattern string) (matches, dirs []string, err error) { |
| matches, err = filepath.Glob(pattern) |
| if err != nil { |
| return nil, nil, err |
| } |
| |
| wildIndices := wildElements(pattern) |
| |
| if len(wildIndices) > 0 { |
| for _, match := range matches { |
| dir := filepath.Dir(match) |
| dirElems := strings.Split(dir, string(filepath.Separator)) |
| |
| for _, index := range wildIndices { |
| dirs = append(dirs, strings.Join(dirElems[:index], |
| string(filepath.Separator))) |
| } |
| } |
| } |
| |
| return |
| } |
| |
| func wildElements(pattern string) []int { |
| elems := strings.Split(pattern, string(filepath.Separator)) |
| |
| var result []int |
| for i, elem := range elems { |
| if isWild(elem) { |
| result = append(result, i) |
| } |
| } |
| return result |
| } |
| |
| func isWild(pattern string) bool { |
| return strings.ContainsAny(pattern, "*?[") |
| } |