forgejo/modules/indexer/code/wrapped.go
Lauris BH 3c45cf8494
Add detected file language to code search ()
Move langauge detection to separate module to be more reusable

Add option to disable vendored file exclusion from file search

Allways show all language stats for search
2020-02-20 16:53:55 -03:00

94 lines
1.8 KiB
Go

// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package code
import (
"fmt"
"sync"
)
var (
indexer = newWrappedIndexer()
)
// ErrWrappedIndexerClosed is the error returned if the indexer was closed before it was ready
var ErrWrappedIndexerClosed = fmt.Errorf("Indexer closed before ready")
type wrappedIndexer struct {
internal Indexer
lock sync.RWMutex
cond *sync.Cond
closed bool
}
func newWrappedIndexer() *wrappedIndexer {
w := &wrappedIndexer{}
w.cond = sync.NewCond(w.lock.RLocker())
return w
}
func (w *wrappedIndexer) set(indexer Indexer) {
w.lock.Lock()
defer w.lock.Unlock()
if w.closed {
// Too late!
indexer.Close()
}
w.internal = indexer
w.cond.Broadcast()
}
func (w *wrappedIndexer) get() (Indexer, error) {
w.lock.RLock()
defer w.lock.RUnlock()
if w.internal == nil {
if w.closed {
return nil, ErrWrappedIndexerClosed
}
w.cond.Wait()
if w.closed {
return nil, ErrWrappedIndexerClosed
}
}
return w.internal, nil
}
func (w *wrappedIndexer) Index(repoID int64) error {
indexer, err := w.get()
if err != nil {
return err
}
return indexer.Index(repoID)
}
func (w *wrappedIndexer) Delete(repoID int64) error {
indexer, err := w.get()
if err != nil {
return err
}
return indexer.Delete(repoID)
}
func (w *wrappedIndexer) Search(repoIDs []int64, language, keyword string, page, pageSize int) (int64, []*SearchResult, []*SearchResultLanguages, error) {
indexer, err := w.get()
if err != nil {
return 0, nil, nil, err
}
return indexer.Search(repoIDs, language, keyword, page, pageSize)
}
func (w *wrappedIndexer) Close() {
w.lock.Lock()
defer w.lock.Unlock()
if w.closed {
return
}
w.closed = true
w.cond.Broadcast()
if w.internal != nil {
w.internal.Close()
}
}