mirror of
https://github.com/go-gitea/gitea
synced 2024-11-09 03:34:24 +00:00
108 lines
2.9 KiB
Go
108 lines
2.9 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 document
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
|
||
|
|
"github.com/blevesearch/bleve/analysis"
|
||
|
|
)
|
||
|
|
|
||
|
|
const DefaultBooleanIndexingOptions = StoreField | IndexField
|
||
|
|
|
||
|
|
type BooleanField struct {
|
||
|
|
name string
|
||
|
|
arrayPositions []uint64
|
||
|
|
options IndexingOptions
|
||
|
|
value []byte
|
||
|
|
numPlainTextBytes uint64
|
||
|
|
}
|
||
|
|
|
||
|
|
func (b *BooleanField) Name() string {
|
||
|
|
return b.name
|
||
|
|
}
|
||
|
|
|
||
|
|
func (b *BooleanField) ArrayPositions() []uint64 {
|
||
|
|
return b.arrayPositions
|
||
|
|
}
|
||
|
|
|
||
|
|
func (b *BooleanField) Options() IndexingOptions {
|
||
|
|
return b.options
|
||
|
|
}
|
||
|
|
|
||
|
|
func (b *BooleanField) Analyze() (int, analysis.TokenFrequencies) {
|
||
|
|
tokens := make(analysis.TokenStream, 0)
|
||
|
|
tokens = append(tokens, &analysis.Token{
|
||
|
|
Start: 0,
|
||
|
|
End: len(b.value),
|
||
|
|
Term: b.value,
|
||
|
|
Position: 1,
|
||
|
|
Type: analysis.Boolean,
|
||
|
|
})
|
||
|
|
|
||
|
|
fieldLength := len(tokens)
|
||
|
|
tokenFreqs := analysis.TokenFrequency(tokens, b.arrayPositions, b.options.IncludeTermVectors())
|
||
|
|
return fieldLength, tokenFreqs
|
||
|
|
}
|
||
|
|
|
||
|
|
func (b *BooleanField) Value() []byte {
|
||
|
|
return b.value
|
||
|
|
}
|
||
|
|
|
||
|
|
func (b *BooleanField) Boolean() (bool, error) {
|
||
|
|
if len(b.value) == 1 {
|
||
|
|
return b.value[0] == 'T', nil
|
||
|
|
}
|
||
|
|
return false, fmt.Errorf("boolean field has %d bytes", len(b.value))
|
||
|
|
}
|
||
|
|
|
||
|
|
func (b *BooleanField) GoString() string {
|
||
|
|
return fmt.Sprintf("&document.BooleanField{Name:%s, Options: %s, Value: %s}", b.name, b.options, b.value)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (b *BooleanField) NumPlainTextBytes() uint64 {
|
||
|
|
return b.numPlainTextBytes
|
||
|
|
}
|
||
|
|
|
||
|
|
func NewBooleanFieldFromBytes(name string, arrayPositions []uint64, value []byte) *BooleanField {
|
||
|
|
return &BooleanField{
|
||
|
|
name: name,
|
||
|
|
arrayPositions: arrayPositions,
|
||
|
|
value: value,
|
||
|
|
options: DefaultNumericIndexingOptions,
|
||
|
|
numPlainTextBytes: uint64(len(value)),
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func NewBooleanField(name string, arrayPositions []uint64, b bool) *BooleanField {
|
||
|
|
return NewBooleanFieldWithIndexingOptions(name, arrayPositions, b, DefaultNumericIndexingOptions)
|
||
|
|
}
|
||
|
|
|
||
|
|
func NewBooleanFieldWithIndexingOptions(name string, arrayPositions []uint64, b bool, options IndexingOptions) *BooleanField {
|
||
|
|
numPlainTextBytes := 5
|
||
|
|
v := []byte("F")
|
||
|
|
if b {
|
||
|
|
numPlainTextBytes = 4
|
||
|
|
v = []byte("T")
|
||
|
|
}
|
||
|
|
return &BooleanField{
|
||
|
|
name: name,
|
||
|
|
arrayPositions: arrayPositions,
|
||
|
|
value: v,
|
||
|
|
options: options,
|
||
|
|
numPlainTextBytes: uint64(numPlainTextBytes),
|
||
|
|
}
|
||
|
|
}
|