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forgejo/vendor/github.com/blevesearch/bleve/search/highlight/highlighter.go
2017-01-25 10:43:02 +08:00

64 lines
1.7 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 highlight
import (
"github.com/blevesearch/bleve/document"
"github.com/blevesearch/bleve/search"
)
type Fragment struct {
Orig []byte
ArrayPositions []uint64
Start int
End int
Score float64
Index int // used by heap
}
func (f *Fragment) Overlaps(other *Fragment) bool {
if other.Start >= f.Start && other.Start < f.End {
return true
} else if f.Start >= other.Start && f.Start < other.End {
return true
}
return false
}
type Fragmenter interface {
Fragment([]byte, TermLocations) []*Fragment
}
type FragmentFormatter interface {
Format(f *Fragment, orderedTermLocations TermLocations) string
}
type FragmentScorer interface {
Score(f *Fragment) float64
}
type Highlighter interface {
Fragmenter() Fragmenter
SetFragmenter(Fragmenter)
FragmentFormatter() FragmentFormatter
SetFragmentFormatter(FragmentFormatter)
Separator() string
SetSeparator(string)
BestFragmentInField(*search.DocumentMatch, *document.Document, string) string
BestFragmentsInField(*search.DocumentMatch, *document.Document, string, int) []string
}