forked from blevesearch/bleve
/
html_char_filter.go
31 lines (24 loc) · 1.21 KB
/
html_char_filter.go
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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 html_char_filter
import (
"regexp"
"github.com/blevesearch/bleve/analysis"
"github.com/blevesearch/bleve/analysis/char_filters/regexp_char_filter"
"github.com/blevesearch/bleve/registry"
)
const Name = "html"
var htmlCharFilterRegexp = regexp.MustCompile(`</?[!\w]+((\s+\w+(\s*=\s*(?:".*?"|'.*?'|[^'">\s]+))?)+\s*|\s*)/?>`)
func CharFilterConstructor(config map[string]interface{}, cache *registry.Cache) (analysis.CharFilter, error) {
replaceBytes := []byte(" ")
return regexp_char_filter.NewRegexpCharFilter(htmlCharFilterRegexp, replaceBytes), nil
}
func init() {
registry.RegisterCharFilter(Name, CharFilterConstructor)
}