filer: directory listing adds namePatternExclude

fix https://github.com/chrislusf/seaweedfs/issues/2023
This commit is contained in:
Chris Lu
2021-04-24 11:49:03 -07:00
parent f0ad172e80
commit ddc8643ee0
11 changed files with 40 additions and 31 deletions

View File

@@ -20,9 +20,9 @@ func splitPattern(pattern string) (prefix string, restPattern string) {
}
// For now, prefix and namePattern are mutually exclusive
func (f *Filer) ListDirectoryEntries(ctx context.Context, p util.FullPath, startFileName string, inclusive bool, limit int64, prefix string, namePattern string) (entries []*Entry, hasMore bool, err error) {
func (f *Filer) ListDirectoryEntries(ctx context.Context, p util.FullPath, startFileName string, inclusive bool, limit int64, prefix string, namePattern string, namePatternExclude string) (entries []*Entry, hasMore bool, err error) {
_, err = f.StreamListDirectoryEntries(ctx, p, startFileName, inclusive, limit+1, prefix, namePattern, func(entry *Entry) bool {
_, err = f.StreamListDirectoryEntries(ctx, p, startFileName, inclusive, limit+1, prefix, namePattern, namePatternExclude, func(entry *Entry) bool {
entries = append(entries, entry)
return true
})
@@ -36,7 +36,7 @@ func (f *Filer) ListDirectoryEntries(ctx context.Context, p util.FullPath, start
}
// For now, prefix and namePattern are mutually exclusive
func (f *Filer) StreamListDirectoryEntries(ctx context.Context, p util.FullPath, startFileName string, inclusive bool, limit int64, prefix string, namePattern string, eachEntryFunc ListEachEntryFunc) (lastFileName string, err error) {
func (f *Filer) StreamListDirectoryEntries(ctx context.Context, p util.FullPath, startFileName string, inclusive bool, limit int64, prefix string, namePattern string, namePatternExclude string, eachEntryFunc ListEachEntryFunc) (lastFileName string, err error) {
if strings.HasSuffix(string(p), "/") && len(p) > 1 {
p = p[0 : len(p)-1]
}
@@ -47,30 +47,38 @@ func (f *Filer) StreamListDirectoryEntries(ctx context.Context, p util.FullPath,
}
var missedCount int64
missedCount, lastFileName, err = f.doListPatternMatchedEntries(ctx, p, startFileName, inclusive, limit, prefix, restNamePattern, eachEntryFunc)
missedCount, lastFileName, err = f.doListPatternMatchedEntries(ctx, p, startFileName, inclusive, limit, prefix, restNamePattern, namePatternExclude, eachEntryFunc)
for missedCount > 0 && err == nil {
missedCount, lastFileName, err = f.doListPatternMatchedEntries(ctx, p, lastFileName, false, missedCount, prefix, restNamePattern, eachEntryFunc)
missedCount, lastFileName, err = f.doListPatternMatchedEntries(ctx, p, lastFileName, false, missedCount, prefix, restNamePattern, namePatternExclude, eachEntryFunc)
}
return
}
func (f *Filer) doListPatternMatchedEntries(ctx context.Context, p util.FullPath, startFileName string, inclusive bool, limit int64, prefix, restNamePattern string, eachEntryFunc ListEachEntryFunc) (missedCount int64, lastFileName string, err error) {
func (f *Filer) doListPatternMatchedEntries(ctx context.Context, p util.FullPath, startFileName string, inclusive bool, limit int64, prefix, restNamePattern string, namePatternExclude string, eachEntryFunc ListEachEntryFunc) (missedCount int64, lastFileName string, err error) {
if len(restNamePattern) == 0 {
if len(restNamePattern) == 0 && len(namePatternExclude) == 0{
lastFileName, err = f.doListValidEntries(ctx, p, startFileName, inclusive, limit, prefix, eachEntryFunc)
return 0, lastFileName, err
}
lastFileName, err = f.doListValidEntries(ctx, p, startFileName, inclusive, limit, prefix, func(entry *Entry) bool {
nameToTest := strings.ToLower(entry.Name())
if matched, matchErr := filepath.Match(restNamePattern, nameToTest[len(prefix):]); matchErr == nil && matched {
if !eachEntryFunc(entry) {
return false
if len(namePatternExclude) > 0 {
if matched, matchErr := filepath.Match(namePatternExclude, nameToTest); matchErr == nil && matched {
missedCount++
return true
}
} else {
missedCount++
}
if len(restNamePattern) > 0 {
if matched, matchErr := filepath.Match(restNamePattern, nameToTest[len(prefix):]); matchErr == nil && !matched {
missedCount++
return true
}
}
if !eachEntryFunc(entry) {
return false
}
return true
})