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- // 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 simple
-
- import (
- "github.com/blevesearch/bleve/search"
- "github.com/blevesearch/bleve/search/highlight"
- )
-
- // FragmentScorer will score fragments by how many
- // unique terms occur in the fragment with no regard for
- // any boost values used in the original query
- type FragmentScorer struct {
- tlm search.TermLocationMap
- }
-
- func NewFragmentScorer(tlm search.TermLocationMap) *FragmentScorer {
- return &FragmentScorer{
- tlm: tlm,
- }
- }
-
- func (s *FragmentScorer) Score(f *highlight.Fragment) {
- score := 0.0
- OUTER:
- for _, locations := range s.tlm {
- for _, location := range locations {
- if location.ArrayPositions.Equals(f.ArrayPositions) && int(location.Start) >= f.Start && int(location.End) <= f.End {
- score += 1.0
- // once we find a term in the fragment
- // don't care about additional matches
- continue OUTER
- }
- }
- }
- f.Score = score
- }
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