# @Opulent
module Opulent
  # @Compiler
  class Compiler
    # Generate the code for a while control structure
    #
    # @param node [Array] Node code generation data
    # @param indent [Fixnum] Size of the indentation to be added
    # @param context [Context] Processing environment data
    #
    def doctype_node(node, indent, context)
      indentation = " " * indent

      value = case node[@value]
      when :"", :"html", :"5"
        "!DOCTYPE html"
      when :"1.1"
        '!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"'
      when :strict
        '!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"'
      when :frameset
        '!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd"'
      when :mobile
        '!DOCTYPE html PUBLIC "-//WAPFORUM//DTD XHTML Mobile 1.2//EN" "http://www.openmobilealliance.org/tech/DTD/xhtml-mobile12.dtd"'
      when :basic
        '!DOCTYPE html PUBLIC "-//W3C//DTD XHTML Basic 1.1//EN" "http://www.w3.org/TR/xhtml-basic/xhtml-basic11.dtd"'
      when :transitional
        '!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"'
      when :xml
        '?xml version="1.0" encoding="utf-8" ?'
      when :'xml ISO-8859-1'
        '?xml version="1.0" encoding="iso-8859-1" ?'
      end

      doctype_tag = "#{indentation}<#{value}>\n"

      @node_stack << :doctype
      @code += doctype_tag
    end
  end
end