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bleve/analysis/token_map/custom.go
Marty Schoch 933d99c576 rename the configurable token map from standard to custom
this makes it consistent with the "custom" analyzer
which operates similarly
also, added it to the config.go so its registerd and
available for use
2014-09-07 14:09:38 -04:00

47 lines
1.4 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 token_map
import (
"fmt"
"github.com/blevesearch/bleve/analysis"
"github.com/blevesearch/bleve/registry"
)
const Name = "custom"
func GenericTokenMapConstructor(config map[string]interface{}, cache *registry.Cache) (analysis.TokenMap, error) {
rv := analysis.NewTokenMap()
// first try to load by filename
filename, ok := config["filename"].(string)
if ok {
err := rv.LoadFile(filename)
return rv, err
}
// next look for an inline word list
tokens, ok := config["tokens"].([]interface{})
if ok {
for _, token := range tokens {
tokenStr, ok := token.(string)
if ok {
rv.AddToken(tokenStr)
}
}
return rv, nil
}
return nil, fmt.Errorf("must specify filename or list of tokens for token map")
}
func init() {
registry.RegisterTokenMap(Name, GenericTokenMapConstructor)
}