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resolves #261 use the new syntax highlighter API introduced in Asciid…
…octor 2.0.0
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| // .source-rouge | ||
| // Demonstration of source highlighting with Rouge | ||
| // :include: //div[@class="slides"] | ||
| // :header_footer: | ||
| = Source Code with Rouge | ||
| :icons: font | ||
| :source-highlighter: rouge | ||
| :rouge-style: monokai | ||
|
|
||
| == Requirements | ||
|
|
||
| WARNING: This will not work from Asciidoctor.js | ||
|
|
||
| [NOTE] | ||
| ==== | ||
| For this to work. You need to add: | ||
| gem 'rouge' | ||
| to your `Gemfile` and re-run: | ||
| bundle install | ||
| ==== | ||
|
|
||
| == Use the Source | ||
|
|
||
| [source, rust] | ||
| ---- | ||
| fn main() { | ||
| println!("Hello World!"); | ||
| } | ||
| ---- | ||
|
|
||
| == Stretch the Source | ||
|
|
||
| [source, rust, role="stretch"] | ||
| ---- | ||
| fn main() { | ||
| println!("Hello stretched World!"); | ||
| } | ||
| ---- |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,8 +1,10 @@ | ||
| if RUBY_ENGINE == 'opal' | ||
| require 'asciidoctor-revealjs/converter' | ||
| require 'asciidoctor-revealjs/version' | ||
| require 'asciidoctor-revealjs/highlightjs' | ||
| else | ||
| require 'asciidoctor' unless defined? Asciidoctor::Converter | ||
| require_relative 'asciidoctor-revealjs/converter' | ||
| require_relative 'asciidoctor-revealjs/version' | ||
| require_relative 'asciidoctor-revealjs/highlightjs' | ||
| end |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| # frozen_string_literal: true | ||
| module Asciidoctor | ||
| module Revealjs | ||
| module SyntaxHighlighter | ||
| # Override the built-in highlight.js syntax highlighter | ||
| class HighlightJsAdapter < Asciidoctor::SyntaxHighlighter::Base | ||
| register_for 'highlightjs', 'highlight.js' | ||
|
|
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| def initialize *args | ||
| super | ||
| @name = @pre_class = 'highlightjs' | ||
| end | ||
|
|
||
| def format node, lang, opts | ||
| super node, lang, (opts.merge transform: proc { |_, code| | ||
| code['class'] = %(language-#{lang || 'none'} hljs) | ||
| code['data-noescape'] = true | ||
| }) | ||
| end | ||
|
|
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| def docinfo? location | ||
| location == :footer | ||
| end | ||
|
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| def docinfo location, doc, opts | ||
| if RUBY_ENGINE == 'opal' && JAVASCRIPT_PLATFORM == 'node' | ||
| revealjsdir = (doc.attr :revealjsdir, 'node_modules/reveal.js') | ||
| else | ||
| revealjsdir = (doc.attr :revealjsdir, 'reveal.js') | ||
| end | ||
| if doc.attr? 'highlightjs-theme' | ||
| theme_href = doc.attr 'highlightjs-theme' | ||
| else | ||
| theme_href = "#{revealjsdir}/lib/css/zenburn.css" | ||
| end | ||
| %(<link rel="stylesheet" href="#{theme_href}"#{opts[:self_closing_tag_slash]}>) | ||
| end | ||
| end | ||
| end | ||
| end | ||
| end |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,35 +1,19 @@ | ||
| - if title? | ||
| .title=captioned_title | ||
| - nowrap = !(@document.attr? :prewrap) || (option? 'nowrap') | ||
| / implicit listing blocks and source blocks are rendered as code | ||
| / explicit listing blocks stay listing | ||
| - if @style == 'source' || (@style == 'listing' && attributes[1] != 'listing') | ||
| - language = attr :language | ||
| - code_class = language ? [language, "language-#{language}"] : nil | ||
| - pre_class = ['highlight'] | ||
| - pre_lang = nil | ||
| - code_noescape = false | ||
| - case document.attr 'source-highlighter' | ||
| - when 'coderay' | ||
| - pre_class = ['CodeRay'] | ||
| - when 'pygments' | ||
| - pre_class = ['pygments','highlight'] | ||
| - when 'prettify' | ||
| - pre_class = ['prettyprint'] | ||
| - pre_class << 'linenums' if attr? :linenums | ||
| - pre_class << language if language | ||
| - pre_class << "language-#{language}" if language | ||
| - code_class = nil | ||
| - when 'html-pipeline' | ||
| - pre_lang = language | ||
| - pre_class = code_class = nil | ||
| - nowrap = false | ||
| - when 'highlightjs', 'highlight.js' | ||
| - code_noescape=true | ||
| - pre_class << 'nowrap' if nowrap | ||
| - pre_class << 'listingblock' | ||
| - pre_class << role if role | ||
| pre class=pre_class lang=pre_lang id=@id | ||
| code data-noescape=code_noescape class=code_class =content | ||
| - nowrap = (option? 'nowrap') || !(document.attr? 'prewrap') | ||
| - syntax_hl = document.syntax_highlighter | ||
| - if @style == 'source' | ||
| - lang = attr :language | ||
| - if syntax_hl | ||
| - doc_attrs = document.attributes | ||
| - css_mode = (doc_attrs[%(#{syntax_hl.name}-css)] || :class).to_sym | ||
| - style = doc_attrs[%(#{syntax_hl.name}-style)] | ||
| - opts = syntax_hl.highlight? ? { css_mode: css_mode, style: style } : {} | ||
| - opts[:nowrap] = nowrap | ||
| - else | ||
| - pre_open = %(<pre class="highlight#{nowrap ? ' nowrap' : ''}"><code#{lang ? %[ class="language-#{lang}" data-lang="#{lang}"] : ''}>) | ||
| - pre_close = '</code></pre>' | ||
| - else | ||
| pre class=(nowrap ? 'nowrap' : nil) =content | ||
| - pre_open = %(<pre#{nowrap ? ' class="nowrap"' : ''}>) | ||
| - pre_close = '</pre>' | ||
| - id_attribute = id ? %( id="#{id}") : '' | ||
| - title_element = title? ? %(<div class="title">#{captioned_title}</div>\n) : '' | ||
| =%(<div#{id_attribute} class="listingblock#{(role = self.role) ? " #{role}" : ''}">#{title_element}<div class="content">#{syntax_hl ? (syntax_hl.format self, lang, opts) : pre_open + (content || '') + pre_close}</div></div>) |
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