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// Copyright 2016 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 (
"bytes"
"fmt"
"github.com/spf13/hugo/helpers"
"github.com/spf13/hugo/source"
"github.com/spf13/hugo/tpl"
"github.com/spf13/viper"
)
func init() {
RegisterHandler(new(markdownHandler))
RegisterHandler(new(htmlHandler))
RegisterHandler(new(asciidocHandler))
RegisterHandler(new(rstHandler))
RegisterHandler(new(mmarkHandler))
}
type basicPageHandler Handle
func (b basicPageHandler) Read(f *source.File, s *Site) HandledResult {
page, err := NewPage(f.Path())
if err != nil {
return HandledResult{file: f, err: err}
}
if _, err := page.ReadFrom(f.Contents); err != nil {
return HandledResult{file: f, err: err}
}
page.Site = &s.Info
return HandledResult{file: f, page: page, err: err}
}
func (b basicPageHandler) FileConvert(*source.File, *Site) HandledResult {
return HandledResult{}
}
type markdownHandler struct {
basicPageHandler
}
func (h markdownHandler) Extensions() []string { return []string{"mdown", "markdown", "md"} }
func (h markdownHandler) PageConvert(p *Page, t tpl.Template) HandledResult {
return commonConvert(p, t)
}
type htmlHandler struct {
basicPageHandler
}
func (h htmlHandler) Extensions() []string { return []string{"html", "htm"} }
func (h htmlHandler) PageConvert(p *Page, t tpl.Template) HandledResult {
if p.rendered {
panic(fmt.Sprintf("Page %q already rendered, does not need conversion", p.BaseFileName()))
}
p.ProcessShortcodes(t)
return HandledResult{err: nil}
}
type asciidocHandler struct {
basicPageHandler
}
func (h asciidocHandler) Extensions() []string { return []string{"asciidoc", "adoc", "ad"} }
func (h asciidocHandler) PageConvert(p *Page, t tpl.Template) HandledResult {
return commonConvert(p, t)
}
type rstHandler struct {
basicPageHandler
}
func (h rstHandler) Extensions() []string { return []string{"rest", "rst"} }
func (h rstHandler) PageConvert(p *Page, t tpl.Template) HandledResult {
return commonConvert(p, t)
}
type mmarkHandler struct {
basicPageHandler
}
func (h mmarkHandler) Extensions() []string { return []string{"mmark"} }
func (h mmarkHandler) PageConvert(p *Page, t tpl.Template) HandledResult {
return commonConvert(p, t)
}
func commonConvert(p *Page, t tpl.Template) HandledResult {
if p.rendered {
panic(fmt.Sprintf("Page %q already rendered, does not need conversion", p.BaseFileName()))
}
p.ProcessShortcodes(t)
// TODO(bep) these page handlers need to be re-evaluated, as it is hard to
// process a page in isolation. See the new preRender func.
if viper.GetBool("enableEmoji") {
p.rawContent = helpers.Emojify(p.rawContent)
}
// We have to replace the <!--more--> with something that survives all the
// rendering engines.
// TODO(bep) inline replace
p.rawContent = bytes.Replace(p.rawContent, []byte(helpers.SummaryDivider), internalSummaryDivider, 1)
p.rawContent = p.renderContent(p.rawContent)
return HandledResult{err: nil}
}
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