android.moparisthebest.org/plugins/backtick_code_block.rb

44 lines
1.2 KiB
Ruby

require './plugins/pygments_code'
module BacktickCodeBlock
include HighlightCode
AllOptions = /([^\s]+)\s+(.+?)(https?:\/\/\S+)\s*(.+)?/i
LangCaption = /([^\s]+)\s*(.+)?/i
def render_code_block(input)
@options = nil
@caption = nil
@lang = nil
@url = nil
@title = nil
input.gsub /^`{3} *([^\n]+)?\n(.+?)\n`{3}/m do
@options = $1 || ''
str = $2
if @options =~ AllOptions
@lang = $1
@caption = "<figcaption><span>#{$2}</span><a href='#{$3}'>#{$4 || 'link'}</a></figcaption>"
elsif @options =~ LangCaption
@lang = $1
@caption = "<figcaption><span>#{$2}</span></figcaption>"
end
if str.match(/\A {4}/)
str = str.gsub /^ {4}/, ''
end
if @lang.nil? || @lang == 'plain'
code = tableize_code(str.gsub('<','&lt;').gsub('>','&gt;'))
"<figure role=code>#{@caption}#{code}</figure>"
else
if @lang.include? "-raw"
raw = "``` #{@options.sub('-raw', '')}\n"
raw += str
raw += "\n```\n"
else
code = highlight(str, @lang)
"<figure role=code>#{@caption}#{code}</figure>"
end
end
end
end
end