Class: Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/parser.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(tokens) ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/parser.rb', line 14

def initialize(tokens)
  @els = Svg.new
  curr = @els

  # TODO: Switch to a state machine framework (state_machine, Ragel);
  # this is getting gross.
  tokens.each do |token|
    if curr == @els
      if token.first == :DIMENSION
        el = Svg.new
        el << token
        @els = el
        curr = el
      elsif token.first == :SASS
        el = SassEl.new
        el << token
        curr << el
        curr = el
      elsif token.first == :CIRCLE
        el = Circle.new
        el << token
        curr << el
        curr = el
      elsif token.first == :ELLIPSE
        el = Ellipse.new
        el << token
        curr << el
        curr = el
      elsif token.first == :ROUND_RECT
        el = RoundRect.new
        el << token
        curr << el
        curr = el
      elsif token.first == :RECT
        el = Rect.new
        el << token
        curr << el
        curr = el
      elsif token.first == :TEXT
        el = Text.new
        el << token
        curr << el
        curr = el
      elsif token.first == :LINE
        el = Line.new
        el << token
        curr << el
        curr = el
      elsif token.first == :PATH
        el = Path.new
        el << token
        curr << el
        curr = el
      end
    else
      if [:EOF, :DEDENT, :NEWLINE].include? token.first
        curr = @els
      else
        curr << token
      end
    end
  end
end

Instance Attribute Details

#els ⇒ Object (readonly)

Returns the value of attribute els.



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# File 'lib/parser.rb', line 12

def els
  @els
end

Instance Method Details

#translate ⇒ Object 



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# File 'lib/parser.rb', line 78

def translate
  @els.translate
end