mirror of
https://github.com/go-gitea/gitea
synced 2024-12-30 12:34:28 +00:00
138 lines
3.5 KiB
Go
Vendored
138 lines
3.5 KiB
Go
Vendored
// 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"
|
|
"reflect"
|
|
|
|
"github.com/blevesearch/bleve/v2/analysis"
|
|
"github.com/blevesearch/bleve/v2/size"
|
|
index "github.com/blevesearch/bleve_index_api"
|
|
)
|
|
|
|
var reflectStaticSizeBooleanField int
|
|
|
|
func init() {
|
|
var f BooleanField
|
|
reflectStaticSizeBooleanField = int(reflect.TypeOf(f).Size())
|
|
}
|
|
|
|
const DefaultBooleanIndexingOptions = index.StoreField | index.IndexField | index.DocValues
|
|
|
|
type BooleanField struct {
|
|
name string
|
|
arrayPositions []uint64
|
|
options index.FieldIndexingOptions
|
|
value []byte
|
|
numPlainTextBytes uint64
|
|
length int
|
|
frequencies index.TokenFrequencies
|
|
}
|
|
|
|
func (b *BooleanField) Size() int {
|
|
return reflectStaticSizeBooleanField + size.SizeOfPtr +
|
|
len(b.name) +
|
|
len(b.arrayPositions)*size.SizeOfUint64 +
|
|
len(b.value)
|
|
}
|
|
|
|
func (b *BooleanField) Name() string {
|
|
return b.name
|
|
}
|
|
|
|
func (b *BooleanField) ArrayPositions() []uint64 {
|
|
return b.arrayPositions
|
|
}
|
|
|
|
func (b *BooleanField) Options() index.FieldIndexingOptions {
|
|
return b.options
|
|
}
|
|
|
|
func (b *BooleanField) Analyze() {
|
|
tokens := make(analysis.TokenStream, 0)
|
|
tokens = append(tokens, &analysis.Token{
|
|
Start: 0,
|
|
End: len(b.value),
|
|
Term: b.value,
|
|
Position: 1,
|
|
Type: analysis.Boolean,
|
|
})
|
|
|
|
b.length = len(tokens)
|
|
b.frequencies = analysis.TokenFrequency(tokens, b.arrayPositions, b.options)
|
|
}
|
|
|
|
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 (b *BooleanField) EncodedFieldType() byte {
|
|
return 'b'
|
|
}
|
|
|
|
func (b *BooleanField) AnalyzedLength() int {
|
|
return b.length
|
|
}
|
|
|
|
func (b *BooleanField) AnalyzedTokenFrequencies() index.TokenFrequencies {
|
|
return b.frequencies
|
|
}
|
|
|
|
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 index.FieldIndexingOptions) *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),
|
|
}
|
|
}
|