mirror of
https://github.com/gohugoio/hugo.git
synced 2024-12-23 19:11:26 +00:00
51 lines
1.5 KiB
Go
51 lines
1.5 KiB
Go
// Copyright 2020 The Hugo Authors. All rights reserved.
|
|
//
|
|
// 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 resources
|
|
|
|
import (
|
|
"github.com/gohugoio/hugo/resources/postpub"
|
|
"github.com/gohugoio/hugo/resources/resource"
|
|
)
|
|
|
|
type transformationKeyer interface {
|
|
TransformationKey() string
|
|
}
|
|
|
|
// PostProcess wraps the given Resource for later processing.
|
|
func (spec *Spec) PostProcess(r resource.Resource) (postpub.PostPublishedResource, error) {
|
|
key := r.(transformationKeyer).TransformationKey()
|
|
spec.postProcessMu.RLock()
|
|
result, found := spec.PostProcessResources[key]
|
|
spec.postProcessMu.RUnlock()
|
|
if found {
|
|
return result, nil
|
|
}
|
|
|
|
spec.postProcessMu.Lock()
|
|
defer spec.postProcessMu.Unlock()
|
|
|
|
// Double check
|
|
result, found = spec.PostProcessResources[key]
|
|
if found {
|
|
return result, nil
|
|
}
|
|
|
|
result = postpub.NewPostPublishResource(spec.incr.Incr(), r)
|
|
if result == nil {
|
|
panic("got nil result")
|
|
}
|
|
spec.PostProcessResources[key] = result
|
|
|
|
return result, nil
|
|
}
|