#Generates a named anchor and wrapping tag from a string.

module Jekyll

class AnchorBlock < Liquid::Block

def initialize(tag_name, markup, tokens)

attributes = markup.split

@tag = attributes[0]

@name = attributes[1] || false

super

end

def render(context)

contents = super

# pipe param through liquid to make additional replacements possible

content = Liquid::Template.parse(contents).render context

# if the anchor has a defined name, use that, otherwise make one up

if @name

safeContent = @name

else

#strip out special chars and replace spaces with hyphens

safeContent = content.rstrip.gsub(/[^\w\s]/,'').gsub(/[\s]/,'-')

end

#should refactor this to allow wrapping tag to be passed in

output = "<#{@tag} class=\"anchor-wrap\"><a name=\"#{safeContent}\" class=\"anchor\" href=\"##{safeContent}\">"

output += '<span class="anchor-icon"><i class="icon-link"></i></span></a>'

output += content.strip

output += "</#{@tag}>"

output

end

end

end

Liquid::Template.register_tag("anchor", Jekyll::AnchorBlock)