Class: Jekyll::PrismBlock

Inherits:
Liquid::Block
  • Object
show all
Includes:
Liquid::StandardFilters
Defined in:
lib/jekyll-prism-plugin.rb

Constant Summary collapse

OPTIONS_SYNTAX = 
%r{^([a-zA-Z0-9.+#-]+)((\s+\w+(=[0-9,-]+)?)*)$}

Instance Method Summary collapse

Constructor Details

#initialize(tag_name, markup, tokens) ⇒ PrismBlock

Returns a new instance of PrismBlock.



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# File 'lib/jekyll-prism-plugin.rb', line 8

def initialize(tag_name, markup, tokens)
  super
  if markup.strip =~ OPTIONS_SYNTAX
    @lang = $1
    if defined?($2) && $2 != ''
      tmp_options = {}
      $2.split.each do |opt|
        key, value = opt.split('=')
        if value.nil?
          value = true
        end
        tmp_options[key] = value
      end
      @options = tmp_options
    else
      @options = { "linenos" => "" }
    end
  else
    raise SyntaxError.new("Syntax Error in 'prism' - Valid syntax: prism <lang> [linenos(='1-5')]")
  end
end

Instance Method Details

#render(context) ⇒ Object 



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# File 'lib/jekyll-prism-plugin.rb', line 30

def render(context)
  code = h(super).strip

  if @options["linenos"] == true
    @options["linenos"] = "1-#{code.lines.count}"
  end

  <<-HTML
<div>
  <pre data-line='#{@options["linenos"]}'><code class='language-#{@lang}'>#{code}</code></pre>
</div>
  HTML
end