github.com/graemephi/kahugo@v0.62.3-0.20211121071557-d78c0423784d/markup/mmark/renderer.go (about)

     1  // Copyright 2019 The Hugo Authors. All rights reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  // http://www.apache.org/licenses/LICENSE-2.0
     7  //
     8  // Unless required by applicable law or agreed to in writing, software
     9  // distributed under the License is distributed on an "AS IS" BASIS,
    10  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package mmark
    15  
    16  import (
    17  	"bytes"
    18  	"strings"
    19  
    20  	"github.com/gohugoio/hugo/markup/blackfriday/blackfriday_config"
    21  	"github.com/gohugoio/hugo/markup/converter"
    22  	"github.com/miekg/mmark"
    23  )
    24  
    25  // hugoHTMLRenderer wraps a blackfriday.Renderer, typically a blackfriday.Html
    26  // adding some custom behaviour.
    27  type mmarkRenderer struct {
    28  	Config            converter.ProviderConfig
    29  	BlackfridayConfig blackfriday_config.Config
    30  	mmark.Renderer
    31  }
    32  
    33  // BlockCode renders a given text as a block of code.
    34  func (r *mmarkRenderer) BlockCode(out *bytes.Buffer, text []byte, lang string, caption []byte, subfigure bool, callouts bool) {
    35  	if r.Config.MarkupConfig.Highlight.CodeFences {
    36  		str := strings.Trim(string(text), "\n\r")
    37  		highlighted, _ := r.Config.Highlight(str, lang, "")
    38  		out.WriteString(highlighted)
    39  	} else {
    40  		r.Renderer.BlockCode(out, text, lang, caption, subfigure, callouts)
    41  	}
    42  }