Class: TDiary::Style::HTMLwithRouge

Inherits:

CommonMarker::HtmlRenderer

• Object
• CommonMarker::HtmlRenderer
• TDiary::Style::HTMLwithRouge

Defined in:

lib/tdiary/style/markdown.rb

Instance Method Summary

• #code_block(node) ⇒ Object
• #image(node) ⇒ Object
• #rouge_formatter(lexer) ⇒ Object

Instance Method Details

#code_block(node) ⇒ Object

# File 'lib/tdiary/style/markdown.rb', line 200

def code_block(node)
	language = if node.fence_info && !node.fence_info.empty?
					  node.fence_info.split(/\s+/)[0]
				  else
					  nil
				  end
	caption_part = ""
	language, caption = language.split(":", 2) if language
	if caption
		caption_part = "<span class=\"caption\">#{escape_html(caption)}</span>\n"
	end
	code = node.string_content
	lexer = Rouge::Lexer.find_fancy(language, code) || Rouge::Lexers::PlainText
	formatter = rouge_formatter(lexer)
	highlighted = formatter.format(lexer.lex(code))
	block do
		if option_enabled?(:GITHUB_PRE_LANG)
			out("<pre#{sourcepos(node)}")
			if language
				out(' lang="', language, '"')
			end
			out(">")
		else
			out("<pre#{sourcepos(node)}")
			if language
				out(' class="highlight ', language, '">')
			else
				out(' class="highlight plaintext">')
			end
		end
		out(caption_part)
		out('<code>')
		out(highlighted)
		out('</code></pre>')
	end
end

#image(node) ⇒ Object

# File 'lib/tdiary/style/markdown.rb', line 237

def image(node)
	out('<img src="', escape_href(node.url), '"')
	plain do
		out(' alt="', :children, '"')
	end
	if node.title && !node.title.empty?
		out(' title="', escape_html(node.title), '"')
	end
	out('>')
end

#rouge_formatter(lexer) ⇒ Object

# File 'lib/tdiary/style/markdown.rb', line 248

def rouge_formatter(lexer)
	::Rouge::Formatters::HTML.new(:css_class => "highlight #{lexer.tag}")
end