Class: CnMdEmoji::Render

Inherits:
Redcarpet::Render::HTML
  • Object
show all
Defined in:
lib/cn_md_emoji/render.rb

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Render

Returns a new instance of Render.



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# File 'lib/cn_md_emoji/render.rb', line 3

def initialize(options={})
  @options = options.merge(:no_intra_emphasis => true)
  super @options
end

Instance Method Details

#list_item(text, list_type) ⇒ Object 



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# File 'lib/cn_md_emoji/render.rb', line 14

def list_item(text, list_type)
  "<li>#{replace_emoji(text)}</li>"
end

#paragraph(text) ⇒ Object 



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# File 'lib/cn_md_emoji/render.rb', line 8

def paragraph(text)
  text.gsub!("\n", "<br>\n") if @options[:hard_wrap]

  "<p>#{replace_emoji(text)}</p>\n"
end

#replace_emoji(text) ⇒ Object

Replaces valid emoji characters, ie :smile:, with img tags

Valid emoji charaters are listed in MdEmoji::EMOJI



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# File 'lib/cn_md_emoji/render.rb', line 21

def replace_emoji(text)
  text.gsub(/\[(\S+?)\]/) do |emoji|
    emoji_code = emoji
    emoji      = emoji_code.gsub(/[\[\]]/, "")

    filename = nil

    if CnMdEmoji::CN_MOJI.include?(emoji)
      emoji = CnMdEmoji::CN_EN[emoji] 
      file_name    = "#{emoji}.gif"
    end

    if CnMdEmoji::EMOJI.include?(emoji)
      file_name    = "#{emoji}.png"
    end

    if file_name
      default_size = %{height="22" width="22"}
      %{<img src="/assets/emojis/#{file_name}" class="emoji" } +
        %{title="#{emoji_code}" alt="#{emoji_code}" #{default_size}>}
    else
      emoji_code
    end
  end
end