Methods to transform wordpress snipetts

Wordpress_snippets.rb

#gem "acts_as_unvlogable" , git: "git://github.com/michelson/acts_as_unvlogable.git"

String.class_eval do
  # Transformer Captions like
  # [caption id="attachment_18994" align="alignnone" width="528" caption="perspectiva Roller Contract T 140"]
  #   CONTENT
  # [/caption]
  # into
  # <div id="attachment_18994" class="wp-caption alignnone" style="width:528px;">
  #   CONTENT
  #   <p class='wp-caption-text'>perspectiva Roller Contract T 140</p>
  # </div>
  #
  def to_captions
    self.gsub(/\[caption([^\]]*)\]([^\[]*)\[\/caption\]/) do |caption|
      attributes = $1
      content = $2.strip
      div_attributes = {}
      attributes.scan(/([^=]*)(=)\"([^\"]*)\"/).each do |attribute|
        case attribute[0].strip
        when "id"
          div_attributes["id"] = attribute[2]
        when "width"
          div_attributes["width"] = "width: #{attribute[2]}px;"
        when "align"
          div_attributes["class"] = "wp-caption #{attribute[2]}"
        when "caption"
          div_attributes["caption"] = attribute[2]
        end
      end
      "<div id='#{div_attributes["id"]}' class='#{div_attributes["class"]}' style='#{div_attributes["width"]}'>#{content.strip}<p class='wp-caption-text'>#{div_attributes["caption"]}</p></div>"
    end
    # wd_prod.post_content.to_captions
  end

  # Transforms youtube snippets like
  # [youtube width="528" height="350"]http://www.youtube.com/watch?v=tK2fbe1JacY[/youtube]
  # into
  # <object width='528' height='350'>
  #   <param name='movie' value='http://www.youtube.com/v/tK2fbe1JacY?version=3&f=videos&app=youtube_gdata[]'></param>
  #   <param name='allowFullScreen' value='true'></param>
  #   <param name='allowscriptaccess' value='always'></param>
  #   <embed src='http://www.youtube.com/v/tK2fbe1JacY?version=3&f=videos&app=youtube_gdata[]' type='application/x-shockwave-flash' allowscriptaccess='always' allowfullscreen='true' width='528' height='350'></embed>
  # </object>
  #
  def to_embed_youtube
    self.gsub(/\[youtube([^\]]*)\]([^\[]*)\[\/youtube\]/) do |youtube|
      attributes = $1
      url = $2.strip
      width = height = nil
      attributes.scan(/([^=]*)(=)\"([^\"]*)\"/).each do |attribute|
        case attribute[0].strip
        when "width"
          width = attribute[2]
        when "height"
          height = attribute[2]
        end
      end
      video = UnvlogIt.new(url)
      video.embed_html(width, height)
    end
    # wd_prod.post_content.to_embed_youtube
  end
  
end