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fs: Add Find method to DirTree

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This commit is contained in:
Nick Craig-Wood 2017-07-24 22:53:02 +01:00
parent d5ff7104e5
commit 71fe046937
1 changed files with 15 additions and 7 deletions
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22
fs/walk.go
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@ -203,19 +203,27 @@ func (dt DirTree) addDir(entry DirEntry) {
} }
} }
// Find returns the DirEntry for filePath or nil if not found
func (dt DirTree) Find(filePath string) (parentPath string, entry DirEntry) {
parentPath = parentDir(filePath)
for _, entry := range dt[parentPath] {
if entry.Remote() == filePath {
return parentPath, entry
}
}
return parentPath, nil
}
// check that dirPath has a *Dir in its parent // check that dirPath has a *Dir in its parent
func (dt DirTree) checkParent(root, dirPath string) { func (dt DirTree) checkParent(root, dirPath string) {
if dirPath == root { if dirPath == root {
return return
} }
parentPath := parentDir(dirPath) parentPath, entry := dt.Find(dirPath)
entries := dt[parentPath] if entry != nil {
for _, entry := range entries { return
if entry.Remote() == dirPath {
return
}
} }
dt[parentPath] = append(entries, NewDir(dirPath, time.Now())) dt[parentPath] = append(dt[parentPath], NewDir(dirPath, time.Now()))
dt.checkParent(root, parentPath) dt.checkParent(root, parentPath)
} }