mirror of
https://github.com/go-gitea/gitea.git
synced 2024-11-01 08:47:40 -04:00
a380cfd8e0
* update bleve to master b17287a86f6cac923a5d886e10618df994eeb54b6724eac2e3b8dde89cfbe3a2 * remove unused pkg from dep file * change bleve from master to recent revision
94 lines
2.3 KiB
Go
94 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 query
|
|
|
|
import (
|
|
"strings"
|
|
|
|
"github.com/blevesearch/bleve/index"
|
|
"github.com/blevesearch/bleve/mapping"
|
|
"github.com/blevesearch/bleve/search"
|
|
"github.com/blevesearch/bleve/search/searcher"
|
|
)
|
|
|
|
var wildcardRegexpReplacer = strings.NewReplacer(
|
|
// characters in the wildcard that must
|
|
// be escaped in the regexp
|
|
"+", `\+`,
|
|
"(", `\(`,
|
|
")", `\)`,
|
|
"^", `\^`,
|
|
"$", `\$`,
|
|
".", `\.`,
|
|
"{", `\{`,
|
|
"}", `\}`,
|
|
"[", `\[`,
|
|
"]", `\]`,
|
|
`|`, `\|`,
|
|
`\`, `\\`,
|
|
// wildcard characters
|
|
"*", ".*",
|
|
"?", ".")
|
|
|
|
type WildcardQuery struct {
|
|
Wildcard string `json:"wildcard"`
|
|
FieldVal string `json:"field,omitempty"`
|
|
BoostVal *Boost `json:"boost,omitempty"`
|
|
}
|
|
|
|
// NewWildcardQuery creates a new Query which finds
|
|
// documents containing terms that match the
|
|
// specified wildcard. In the wildcard pattern '*'
|
|
// will match any sequence of 0 or more characters,
|
|
// and '?' will match any single character.
|
|
func NewWildcardQuery(wildcard string) *WildcardQuery {
|
|
return &WildcardQuery{
|
|
Wildcard: wildcard,
|
|
}
|
|
}
|
|
|
|
func (q *WildcardQuery) SetBoost(b float64) {
|
|
boost := Boost(b)
|
|
q.BoostVal = &boost
|
|
}
|
|
|
|
func (q *WildcardQuery) Boost() float64 {
|
|
return q.BoostVal.Value()
|
|
}
|
|
|
|
func (q *WildcardQuery) SetField(f string) {
|
|
q.FieldVal = f
|
|
}
|
|
|
|
func (q *WildcardQuery) Field() string {
|
|
return q.FieldVal
|
|
}
|
|
|
|
func (q *WildcardQuery) Searcher(i index.IndexReader, m mapping.IndexMapping, options search.SearcherOptions) (search.Searcher, error) {
|
|
field := q.FieldVal
|
|
if q.FieldVal == "" {
|
|
field = m.DefaultSearchField()
|
|
}
|
|
|
|
regexpString := wildcardRegexpReplacer.Replace(q.Wildcard)
|
|
|
|
return searcher.NewRegexpStringSearcher(i, regexpString, field,
|
|
q.BoostVal.Value(), options)
|
|
}
|
|
|
|
func (q *WildcardQuery) Validate() error {
|
|
return nil // real validation delayed until searcher constructor
|
|
}
|