mirror of
https://github.com/go-gitea/gitea.git
synced 2024-10-31 08:37:35 -04:00
90 lines
2.8 KiB
Go
Vendored
90 lines
2.8 KiB
Go
Vendored
// Copyright (c) 2014 Couchbase, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package registry
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import (
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"fmt"
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"github.com/blevesearch/bleve/search/highlight"
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)
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func RegisterFragmentFormatter(name string, constructor FragmentFormatterConstructor) {
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_, exists := fragmentFormatters[name]
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if exists {
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panic(fmt.Errorf("attempted to register duplicate fragment formatter named '%s'", name))
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}
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fragmentFormatters[name] = constructor
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}
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type FragmentFormatterConstructor func(config map[string]interface{}, cache *Cache) (highlight.FragmentFormatter, error)
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type FragmentFormatterRegistry map[string]FragmentFormatterConstructor
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type FragmentFormatterCache struct {
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*ConcurrentCache
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}
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func NewFragmentFormatterCache() *FragmentFormatterCache {
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return &FragmentFormatterCache{
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NewConcurrentCache(),
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}
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}
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func FragmentFormatterBuild(name string, config map[string]interface{}, cache *Cache) (interface{}, error) {
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cons, registered := fragmentFormatters[name]
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if !registered {
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return nil, fmt.Errorf("no fragment formatter with name or type '%s' registered", name)
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}
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fragmentFormatter, err := cons(config, cache)
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if err != nil {
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return nil, fmt.Errorf("error building fragment formatter: %v", err)
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}
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return fragmentFormatter, nil
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}
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func (c *FragmentFormatterCache) FragmentFormatterNamed(name string, cache *Cache) (highlight.FragmentFormatter, error) {
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item, err := c.ItemNamed(name, cache, FragmentFormatterBuild)
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if err != nil {
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return nil, err
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}
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return item.(highlight.FragmentFormatter), nil
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}
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func (c *FragmentFormatterCache) DefineFragmentFormatter(name string, typ string, config map[string]interface{}, cache *Cache) (highlight.FragmentFormatter, error) {
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item, err := c.DefineItem(name, typ, config, cache, FragmentFormatterBuild)
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if err != nil {
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if err == ErrAlreadyDefined {
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return nil, fmt.Errorf("fragment formatter named '%s' already defined", name)
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}
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return nil, err
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}
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return item.(highlight.FragmentFormatter), nil
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}
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func FragmentFormatterTypesAndInstances() ([]string, []string) {
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emptyConfig := map[string]interface{}{}
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emptyCache := NewCache()
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var types []string
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var instances []string
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for name, cons := range fragmentFormatters {
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_, err := cons(emptyConfig, emptyCache)
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if err == nil {
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instances = append(instances, name)
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} else {
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types = append(types, name)
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}
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}
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return types, instances
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}
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