Module: Octopress::TagHelpers::Conditional

Defined in:
lib/octopress-tag-helpers/conditional.rb

Constant Summary collapse

SYNTAX = 
/(?<tag>.*)\s(?<condition>if|unless)\s(?<expression>.+)/

Class Method Summary collapse

Class Method Details

.parse(markup, context) ⇒ Object 



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# File 'lib/octopress-tag-helpers/conditional.rb', line 6

def self.parse(markup, context)
  matched = markup.strip.match(SYNTAX)
  if matched
    case matched['condition'].strip
    when 'if'
      tag = Liquid::Template.parse("{% if #{matched['expression']} %}true{% endif %}")
    when 'unless'
      tag = Liquid::Template.parse("{% unless #{matched['expression']} %}true{% endunless %}")
    end
    tag.render!(context) != '' ? matched['tag'] : false
  else
    markup
  end
end