66 lines
2.0 KiB
Go
66 lines
2.0 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 fa
|
|
|
|
import (
|
|
"github.com/couchbaselabs/bleve/analysis"
|
|
"github.com/couchbaselabs/bleve/registry"
|
|
|
|
"github.com/couchbaselabs/bleve/analysis/char_filters/zero_width_non_joiner"
|
|
"github.com/couchbaselabs/bleve/analysis/language/ar"
|
|
"github.com/couchbaselabs/bleve/analysis/token_filters/lower_case_filter"
|
|
"github.com/couchbaselabs/bleve/analysis/tokenizers/unicode_word_boundary"
|
|
)
|
|
|
|
const AnalyzerName = "fa"
|
|
|
|
func AnalyzerConstructor(config map[string]interface{}, cache *registry.Cache) (*analysis.Analyzer, error) {
|
|
zFilter, err := cache.CharFilterNamed(zero_width_non_joiner.Name)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
unicodeTokenizer, err := cache.TokenizerNamed(unicode_word_boundary.Name)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
normArFilter, err := cache.TokenFilterNamed(ar.NormalizeName)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
normFaFilter, err := cache.TokenFilterNamed(NormalizeName)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
toLowerFilter, err := cache.TokenFilterNamed(lower_case_filter.Name)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
stopFaFilter, err := cache.TokenFilterNamed(StopName)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
rv := analysis.Analyzer{
|
|
CharFilters: []analysis.CharFilter{
|
|
zFilter,
|
|
},
|
|
Tokenizer: unicodeTokenizer,
|
|
TokenFilters: []analysis.TokenFilter{
|
|
toLowerFilter,
|
|
normArFilter,
|
|
normFaFilter,
|
|
stopFaFilter,
|
|
},
|
|
}
|
|
return &rv, nil
|
|
}
|
|
|
|
func init() {
|
|
registry.RegisterAnalyzer(AnalyzerName, AnalyzerConstructor)
|
|
}
|