mirror of
https://github.com/go-gitea/gitea
synced 2024-12-25 02:05:58 +01:00
a380cfd8e0
* update bleve to master b17287a86f6cac923a5d886e10618df994eeb54b6724eac2e3b8dde89cfbe3a2 * remove unused pkg from dep file * change bleve from master to recent revision
96 lines
2.3 KiB
Go
96 lines
2.3 KiB
Go
// Copyright (c) 2014 Couchbase, Inc.
|
|
//
|
|
// 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 collector
|
|
|
|
import (
|
|
"container/heap"
|
|
|
|
"github.com/blevesearch/bleve/search"
|
|
)
|
|
|
|
type collectStoreHeap struct {
|
|
heap search.DocumentMatchCollection
|
|
compare collectorCompare
|
|
}
|
|
|
|
func newStoreHeap(capacity int, compare collectorCompare) *collectStoreHeap {
|
|
rv := &collectStoreHeap{
|
|
heap: make(search.DocumentMatchCollection, 0, capacity),
|
|
compare: compare,
|
|
}
|
|
heap.Init(rv)
|
|
return rv
|
|
}
|
|
|
|
func (c *collectStoreHeap) AddNotExceedingSize(doc *search.DocumentMatch,
|
|
size int) *search.DocumentMatch {
|
|
c.add(doc)
|
|
if c.Len() > size {
|
|
return c.removeLast()
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (c *collectStoreHeap) add(doc *search.DocumentMatch) {
|
|
heap.Push(c, doc)
|
|
}
|
|
|
|
func (c *collectStoreHeap) removeLast() *search.DocumentMatch {
|
|
return heap.Pop(c).(*search.DocumentMatch)
|
|
}
|
|
|
|
func (c *collectStoreHeap) Final(skip int, fixup collectorFixup) (search.DocumentMatchCollection, error) {
|
|
count := c.Len()
|
|
size := count - skip
|
|
if size <= 0 {
|
|
return make(search.DocumentMatchCollection, 0), nil
|
|
}
|
|
rv := make(search.DocumentMatchCollection, size)
|
|
for i := size - 1; i >= 0; i-- {
|
|
doc := heap.Pop(c).(*search.DocumentMatch)
|
|
rv[i] = doc
|
|
err := fixup(doc)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
return rv, nil
|
|
}
|
|
|
|
// heap interface implementation
|
|
|
|
func (c *collectStoreHeap) Len() int {
|
|
return len(c.heap)
|
|
}
|
|
|
|
func (c *collectStoreHeap) Less(i, j int) bool {
|
|
so := c.compare(c.heap[i], c.heap[j])
|
|
return -so < 0
|
|
}
|
|
|
|
func (c *collectStoreHeap) Swap(i, j int) {
|
|
c.heap[i], c.heap[j] = c.heap[j], c.heap[i]
|
|
}
|
|
|
|
func (c *collectStoreHeap) Push(x interface{}) {
|
|
c.heap = append(c.heap, x.(*search.DocumentMatch))
|
|
}
|
|
|
|
func (c *collectStoreHeap) Pop() interface{} {
|
|
var rv *search.DocumentMatch
|
|
rv, c.heap = c.heap[len(c.heap)-1], c.heap[:len(c.heap)-1]
|
|
return rv
|
|
}
|