66 lines
1.8 KiB
Go
66 lines
1.8 KiB
Go
// Copyright (c) 2014 Couchbase, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package ar
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import (
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"github.com/blevesearch/bleve/analysis"
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"github.com/blevesearch/bleve/registry"
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"github.com/blevesearch/bleve/analysis/token/lowercase"
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"github.com/blevesearch/bleve/analysis/token/unicodenorm"
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"github.com/blevesearch/bleve/analysis/tokenizer/unicode"
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)
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const AnalyzerName = "ar"
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func AnalyzerConstructor(config map[string]interface{}, cache *registry.Cache) (*analysis.Analyzer, error) {
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tokenizer, err := cache.TokenizerNamed(unicode.Name)
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if err != nil {
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return nil, err
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}
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toLowerFilter, err := cache.TokenFilterNamed(lowercase.Name)
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if err != nil {
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return nil, err
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}
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normalizeFilter := unicodenorm.MustNewUnicodeNormalizeFilter(unicodenorm.NFKC)
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stopArFilter, err := cache.TokenFilterNamed(StopName)
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if err != nil {
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return nil, err
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}
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normalizeArFilter, err := cache.TokenFilterNamed(NormalizeName)
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if err != nil {
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return nil, err
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}
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stemmerArFilter, err := cache.TokenFilterNamed(StemmerName)
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if err != nil {
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return nil, err
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}
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rv := analysis.Analyzer{
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Tokenizer: tokenizer,
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TokenFilters: []analysis.TokenFilter{
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toLowerFilter,
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normalizeFilter,
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stopArFilter,
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normalizeArFilter,
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stemmerArFilter,
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},
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}
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return &rv, nil
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}
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func init() {
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registry.RegisterAnalyzer(AnalyzerName, AnalyzerConstructor)
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}
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