diff options
Diffstat (limited to 'hugolib/handler_meta.go')
-rw-r--r-- | hugolib/handler_meta.go | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/hugolib/handler_meta.go b/hugolib/handler_meta.go deleted file mode 100644 index c1aaf5f8c..000000000 --- a/hugolib/handler_meta.go +++ /dev/null @@ -1,128 +0,0 @@ -// Copyright 2015 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 hugolib - -import ( - "errors" - - "fmt" - - "github.com/gohugoio/hugo/source" -) - -var handlers []Handler - -// MetaHandler abstracts reading and converting functionality of a Handler. -type MetaHandler interface { - // Read the Files in and register - Read(*source.File, *Site, HandleResults) - - // Generic Convert Function with coordination - Convert(interface{}, *Site, HandleResults) - - Handle() Handler -} - -// HandleResults is a channel for HandledResult. -type HandleResults chan<- HandledResult - -// NewMetaHandler creates a MetaHandle for a given extensions. -func NewMetaHandler(in string) *MetaHandle { - x := &MetaHandle{ext: in} - x.Handler() - return x -} - -// MetaHandle is a generic MetaHandler that internally uses -// the globally registered handlers for handling specific file types. -type MetaHandle struct { - handler Handler - ext string -} - -func (mh *MetaHandle) Read(f *source.File, s *Site, results HandleResults) { - if h := mh.Handler(); h != nil { - results <- h.Read(f, s) - return - } - - results <- HandledResult{err: errors.New("No handler found"), file: f} -} - -// Convert handles the conversion of files and pages. -func (mh *MetaHandle) Convert(i interface{}, s *Site, results HandleResults) { - h := mh.Handler() - - if f, ok := i.(*source.File); ok { - results <- h.FileConvert(f, s) - return - } - - if p, ok := i.(*Page); ok { - if p == nil { - results <- HandledResult{err: errors.New("file resulted in a nil page")} - return - } - - if h == nil { - results <- HandledResult{err: fmt.Errorf("No handler found for page '%s'. Verify the markup is supported by Hugo.", p.FullFilePath())} - return - } - - results <- h.PageConvert(p) - } -} - -// Handler finds the registered handler for the used extensions. -func (mh *MetaHandle) Handler() Handler { - if mh.handler == nil { - mh.handler = FindHandler(mh.ext) - - // if no handler found, use default handler - if mh.handler == nil { - mh.handler = FindHandler("*") - } - } - return mh.handler -} - -// FindHandler finds a Handler in the globally registered handlers. -func FindHandler(ext string) Handler { - for _, h := range Handlers() { - if HandlerMatch(h, ext) { - return h - } - } - return nil -} - -// HandlerMatch checks if the given extensions matches. -func HandlerMatch(h Handler, ext string) bool { - for _, x := range h.Extensions() { - if ext == x { - return true - } - } - return false -} - -// RegisterHandler adds a handler to the globally registered ones. -func RegisterHandler(h Handler) { - handlers = append(handlers, h) -} - -// Handlers returns the globally registered handlers. -func Handlers() []Handler { - return handlers -} |