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require './plugins/pygments_code'
module BacktickCodeBlock
AllOptions = /([^\s]+)\s+(.+?)\s+(https?:\/\/\S+|\/\S+)\s*(.+)?/i
LangCaption = /([^\s]+)\s*(.+)?/i
def self.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}|\t)/)
str = str.gsub(/^( {4}|\t)/, '')
end
if @lang.nil? || @lang == 'plain'
code = HighlightCode::tableize_code(str.gsub('<','<').gsub('>','>'))
"<figure class='code'>#{@caption}#{code}</figure>"
else
if @lang.include? "-raw"
raw = "``` #{@options.sub('-raw', '')}\n"
raw += str
raw += "\n```\n"
else
code = HighlightCode::highlight(str, @lang)
"<figure class='code'>#{@caption}#{code}</figure>"
end
end
end
end
end
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