mirror of
https://codeberg.org/forgejo/forgejo.git
synced 2024-11-27 09:11:53 -05:00
90 lines
2.6 KiB
Go
90 lines
2.6 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 registry
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
|
||
|
|
"github.com/blevesearch/bleve/search/highlight"
|
||
|
|
)
|
||
|
|
|
||
|
|
func RegisterHighlighter(name string, constructor HighlighterConstructor) {
|
||
|
|
_, exists := highlighters[name]
|
||
|
|
if exists {
|
||
|
|
panic(fmt.Errorf("attempted to register duplicate highlighter named '%s'", name))
|
||
|
|
}
|
||
|
|
highlighters[name] = constructor
|
||
|
|
}
|
||
|
|
|
||
|
|
type HighlighterConstructor func(config map[string]interface{}, cache *Cache) (highlight.Highlighter, error)
|
||
|
|
type HighlighterRegistry map[string]HighlighterConstructor
|
||
|
|
|
||
|
|
type HighlighterCache struct {
|
||
|
|
*ConcurrentCache
|
||
|
|
}
|
||
|
|
|
||
|
|
func NewHighlighterCache() *HighlighterCache {
|
||
|
|
return &HighlighterCache{
|
||
|
|
NewConcurrentCache(),
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func HighlighterBuild(name string, config map[string]interface{}, cache *Cache) (interface{}, error) {
|
||
|
|
cons, registered := highlighters[name]
|
||
|
|
if !registered {
|
||
|
|
return nil, fmt.Errorf("no highlighter with name or type '%s' registered", name)
|
||
|
|
}
|
||
|
|
highlighter, err := cons(config, cache)
|
||
|
|
if err != nil {
|
||
|
|
return nil, fmt.Errorf("error building highlighter: %v", err)
|
||
|
|
}
|
||
|
|
return highlighter, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func (c *HighlighterCache) HighlighterNamed(name string, cache *Cache) (highlight.Highlighter, error) {
|
||
|
|
item, err := c.ItemNamed(name, cache, HighlighterBuild)
|
||
|
|
if err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
return item.(highlight.Highlighter), nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func (c *HighlighterCache) DefineHighlighter(name string, typ string, config map[string]interface{}, cache *Cache) (highlight.Highlighter, error) {
|
||
|
|
item, err := c.DefineItem(name, typ, config, cache, HighlighterBuild)
|
||
|
|
if err != nil {
|
||
|
|
if err == ErrAlreadyDefined {
|
||
|
|
return nil, fmt.Errorf("highlighter named '%s' already defined", name)
|
||
|
|
}
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
return item.(highlight.Highlighter), nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func HighlighterTypesAndInstances() ([]string, []string) {
|
||
|
|
emptyConfig := map[string]interface{}{}
|
||
|
|
emptyCache := NewCache()
|
||
|
|
var types []string
|
||
|
|
var instances []string
|
||
|
|
for name, cons := range highlighters {
|
||
|
|
_, err := cons(emptyConfig, emptyCache)
|
||
|
|
if err == nil {
|
||
|
|
instances = append(instances, name)
|
||
|
|
} else {
|
||
|
|
types = append(types, name)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return types, instances
|
||
|
|
}
|