mirror of
https://github.com/go-gitea/gitea
synced 2024-11-18 08:04:25 +00:00
a380cfd8e0
* update bleve to master b17287a86f6cac923a5d886e10618df994eeb54b6724eac2e3b8dde89cfbe3a2 * remove unused pkg from dep file * change bleve from master to recent revision
142 lines
3.6 KiB
Go
142 lines
3.6 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 searcher
|
|
|
|
import (
|
|
"reflect"
|
|
|
|
"github.com/blevesearch/bleve/index"
|
|
"github.com/blevesearch/bleve/search"
|
|
"github.com/blevesearch/bleve/search/scorer"
|
|
"github.com/blevesearch/bleve/size"
|
|
)
|
|
|
|
var reflectStaticSizeTermSearcher int
|
|
|
|
func init() {
|
|
var ts TermSearcher
|
|
reflectStaticSizeTermSearcher = int(reflect.TypeOf(ts).Size())
|
|
}
|
|
|
|
type TermSearcher struct {
|
|
indexReader index.IndexReader
|
|
reader index.TermFieldReader
|
|
scorer *scorer.TermQueryScorer
|
|
tfd index.TermFieldDoc
|
|
}
|
|
|
|
func NewTermSearcher(indexReader index.IndexReader, term string, field string, boost float64, options search.SearcherOptions) (*TermSearcher, error) {
|
|
return NewTermSearcherBytes(indexReader, []byte(term), field, boost, options)
|
|
}
|
|
|
|
func NewTermSearcherBytes(indexReader index.IndexReader, term []byte, field string, boost float64, options search.SearcherOptions) (*TermSearcher, error) {
|
|
needFreqNorm := options.Score != "none"
|
|
reader, err := indexReader.TermFieldReader(term, field, needFreqNorm, needFreqNorm, options.IncludeTermVectors)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return newTermSearcherFromReader(indexReader, reader, term, field, boost, options)
|
|
}
|
|
|
|
func newTermSearcherFromReader(indexReader index.IndexReader, reader index.TermFieldReader,
|
|
term []byte, field string, boost float64, options search.SearcherOptions) (*TermSearcher, error) {
|
|
count, err := indexReader.DocCount()
|
|
if err != nil {
|
|
_ = reader.Close()
|
|
return nil, err
|
|
}
|
|
scorer := scorer.NewTermQueryScorer(term, field, boost, count, reader.Count(), options)
|
|
return &TermSearcher{
|
|
indexReader: indexReader,
|
|
reader: reader,
|
|
scorer: scorer,
|
|
}, nil
|
|
}
|
|
|
|
func (s *TermSearcher) Size() int {
|
|
return reflectStaticSizeTermSearcher + size.SizeOfPtr +
|
|
s.reader.Size() +
|
|
s.tfd.Size() +
|
|
s.scorer.Size()
|
|
}
|
|
|
|
func (s *TermSearcher) Count() uint64 {
|
|
return s.reader.Count()
|
|
}
|
|
|
|
func (s *TermSearcher) Weight() float64 {
|
|
return s.scorer.Weight()
|
|
}
|
|
|
|
func (s *TermSearcher) SetQueryNorm(qnorm float64) {
|
|
s.scorer.SetQueryNorm(qnorm)
|
|
}
|
|
|
|
func (s *TermSearcher) Next(ctx *search.SearchContext) (*search.DocumentMatch, error) {
|
|
termMatch, err := s.reader.Next(s.tfd.Reset())
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if termMatch == nil {
|
|
return nil, nil
|
|
}
|
|
|
|
// score match
|
|
docMatch := s.scorer.Score(ctx, termMatch)
|
|
// return doc match
|
|
return docMatch, nil
|
|
|
|
}
|
|
|
|
func (s *TermSearcher) Advance(ctx *search.SearchContext, ID index.IndexInternalID) (*search.DocumentMatch, error) {
|
|
termMatch, err := s.reader.Advance(ID, s.tfd.Reset())
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if termMatch == nil {
|
|
return nil, nil
|
|
}
|
|
|
|
// score match
|
|
docMatch := s.scorer.Score(ctx, termMatch)
|
|
|
|
// return doc match
|
|
return docMatch, nil
|
|
}
|
|
|
|
func (s *TermSearcher) Close() error {
|
|
return s.reader.Close()
|
|
}
|
|
|
|
func (s *TermSearcher) Min() int {
|
|
return 0
|
|
}
|
|
|
|
func (s *TermSearcher) DocumentMatchPoolSize() int {
|
|
return 1
|
|
}
|
|
|
|
func (s *TermSearcher) Optimize(kind string, octx index.OptimizableContext) (
|
|
index.OptimizableContext, error) {
|
|
o, ok := s.reader.(index.Optimizable)
|
|
if ok {
|
|
return o.Optimize(kind, octx)
|
|
}
|
|
|
|
return octx, nil
|
|
}
|