mirror of
https://github.com/go-gitea/gitea.git
synced 2024-11-01 08:47:40 -04:00
111 lines
2.6 KiB
Go
111 lines
2.6 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 (
|
|
"github.com/blevesearch/bleve/index"
|
|
"github.com/blevesearch/bleve/search"
|
|
"github.com/blevesearch/bleve/search/scorer"
|
|
)
|
|
|
|
type TermSearcher struct {
|
|
indexReader index.IndexReader
|
|
term string
|
|
field string
|
|
reader index.TermFieldReader
|
|
scorer *scorer.TermQueryScorer
|
|
tfd index.TermFieldDoc
|
|
explain bool
|
|
}
|
|
|
|
func NewTermSearcher(indexReader index.IndexReader, term string, field string, boost float64, explain bool) (*TermSearcher, error) {
|
|
reader, err := indexReader.TermFieldReader([]byte(term), field, true, true, true)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
count, err := indexReader.DocCount()
|
|
if err != nil {
|
|
_ = reader.Close()
|
|
return nil, err
|
|
}
|
|
scorer := scorer.NewTermQueryScorer(term, field, boost, count, reader.Count(), explain)
|
|
return &TermSearcher{
|
|
indexReader: indexReader,
|
|
term: term,
|
|
field: field,
|
|
explain: explain,
|
|
reader: reader,
|
|
scorer: scorer,
|
|
}, nil
|
|
}
|
|
|
|
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
|
|
}
|