64 lines
1.7 KiB
Go
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
|
|
}
|