Платформа ЦРНП "Мирокод" для разработки проектов
https://git.mirocod.ru
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
89 lines
2.6 KiB
89 lines
2.6 KiB
// 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 RegisterFragmenter(name string, constructor FragmenterConstructor) { |
|
_, exists := fragmenters[name] |
|
if exists { |
|
panic(fmt.Errorf("attempted to register duplicate fragmenter named '%s'", name)) |
|
} |
|
fragmenters[name] = constructor |
|
} |
|
|
|
type FragmenterConstructor func(config map[string]interface{}, cache *Cache) (highlight.Fragmenter, error) |
|
type FragmenterRegistry map[string]FragmenterConstructor |
|
|
|
type FragmenterCache struct { |
|
*ConcurrentCache |
|
} |
|
|
|
func NewFragmenterCache() *FragmenterCache { |
|
return &FragmenterCache{ |
|
NewConcurrentCache(), |
|
} |
|
} |
|
|
|
func FragmenterBuild(name string, config map[string]interface{}, cache *Cache) (interface{}, error) { |
|
cons, registered := fragmenters[name] |
|
if !registered { |
|
return nil, fmt.Errorf("no fragmenter with name or type '%s' registered", name) |
|
} |
|
fragmenter, err := cons(config, cache) |
|
if err != nil { |
|
return nil, fmt.Errorf("error building fragmenter: %v", err) |
|
} |
|
return fragmenter, nil |
|
} |
|
|
|
func (c *FragmenterCache) FragmenterNamed(name string, cache *Cache) (highlight.Fragmenter, error) { |
|
item, err := c.ItemNamed(name, cache, FragmenterBuild) |
|
if err != nil { |
|
return nil, err |
|
} |
|
return item.(highlight.Fragmenter), nil |
|
} |
|
|
|
func (c *FragmenterCache) DefineFragmenter(name string, typ string, config map[string]interface{}, cache *Cache) (highlight.Fragmenter, error) { |
|
item, err := c.DefineItem(name, typ, config, cache, FragmenterBuild) |
|
if err != nil { |
|
if err == ErrAlreadyDefined { |
|
return nil, fmt.Errorf("fragmenter named '%s' already defined", name) |
|
} |
|
return nil, err |
|
} |
|
return item.(highlight.Fragmenter), nil |
|
} |
|
|
|
func FragmenterTypesAndInstances() ([]string, []string) { |
|
emptyConfig := map[string]interface{}{} |
|
emptyCache := NewCache() |
|
var types []string |
|
var instances []string |
|
for name, cons := range fragmenters { |
|
_, err := cons(emptyConfig, emptyCache) |
|
if err == nil { |
|
instances = append(instances, name) |
|
} else { |
|
types = append(types, name) |
|
} |
|
} |
|
return types, instances |
|
}
|
|
|