81 lines
2.0 KiB
Go
81 lines
2.0 KiB
Go
// Copyright (c) 2014 Couchbase, Inc.
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
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// except in compliance with the License. You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software distributed under the
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// License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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// either express or implied. See the License for the specific language governing permissions
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// and limitations under the License.
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// +build kagome full
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package ja_morph_kagome
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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/ikawaha/kagome/dic"
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"github.com/ikawaha/kagome/tokenizer"
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)
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const Name = "kagome"
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type KagomeMorphTokenizer struct {
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tok *tokenizer.Tokenizer
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}
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func NewKagomeMorphTokenizer() *KagomeMorphTokenizer {
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return &KagomeMorphTokenizer{
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tok: tokenizer.NewTokenizer(),
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}
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}
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func NewKagomeMorphTokenizerWithUserDic(userdic *dic.UserDic) *KagomeMorphTokenizer {
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kagome := tokenizer.NewTokenizer()
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kagome.SetUserDic(userdic)
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return &KagomeMorphTokenizer{
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tok: kagome,
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}
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}
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func (t *KagomeMorphTokenizer) Tokenize(input []byte) analysis.TokenStream {
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var morphs []tokenizer.Morph
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var err error
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rv := make(analysis.TokenStream, 0)
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if len(input) < 1 {
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return rv
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}
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morphs, err = t.tok.Tokenize(string(input))
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if err != nil {
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return rv
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}
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for i, m := range morphs {
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if m.Surface == "EOS" {
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continue
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}
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token := &analysis.Token{
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Term: []byte(m.Surface),
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Position: i + 1,
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Start: m.Start,
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End: m.End,
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Type: analysis.Ideographic,
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}
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rv = append(rv, token)
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}
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return rv
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}
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func KagomeMorphTokenizerConstructor(config map[string]interface{}, cache *registry.Cache) (analysis.Tokenizer, error) {
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return NewKagomeMorphTokenizer(), nil
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}
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func init() {
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registry.RegisterTokenizer(Name, KagomeMorphTokenizerConstructor)
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}
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