Class: RSGenerator

Inherits:
Object
  • Object
show all
Includes:
Helpers
Defined in:
lib/rsyntaxtree.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(params = {}) ⇒ RSGenerator

Returns a new instance of RSGenerator.



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# File 'lib/rsyntaxtree.rb', line 48

def initialize(params = {})
 new_params = {}
 params.each do |key, value|
   case key
   when "data"
     data = URI.unescape(value)
     data  = data.gsub('-AMP-', '&').gsub('-PRIME-', "'").gsub('-SCOLON-', ';')
     new_params[key] = data
   when "symmetrize", "color", "autosub"
     new_params[key] = value == "on"? true : false
   when "fontsize"
     new_params[key] = value.to_i
   when "fontstyle"
     if value == "sans-serif"
       new_params["font"] = FONT_DIR + "/DroidSans.ttf"
     elsif value == "serif"
       new_params["font"] = FONT_DIR + "/DroidSerif-Regular.ttf"
     elsif value == "jp-gothic"
       new_params["font"] = FONT_DIR + "/ipagp.ttf"
     elsif value == "jp-mincho"
       new_params["font"] = FONT_DIR + "/ipamp.ttf"
     elsif value == "cjk"
       new_params["font"] = FONT_DIR + "/wqy-zenhei.ttf"
     elsif value == "aru"
       new_params["font"] = FONT_DIR + "/ArialUnicode.ttf"
     elsif value == "tnr"
       new_params["font"] = FONT_DIR + "/TimesNewRoman.ttf"
     end
   else
     new_params[key] = value
   end
 end
 
 
 @params = {
   "symmetrize" => true,
   "color"      => true,
   "autosub"    => false,
   "fontsize"   => 18,
   "format"     => "png",
   "leafstyle"   => "auto",
   "font"        => FONT_DIR + "/ipagp.ttf",
   "filename"   => "syntree",
   "data"       => "",
 }
 
 @params.merge! new_params
end

Class Method Details

.check_data(text) ⇒ Object 



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# File 'lib/rsyntaxtree.rb', line 97

def self.check_data(text)
   # StringParser.validate_text(text)     
   sp = StringParser.new(text)
   sp.valid?
end

Instance Method Details

#draw_pdf ⇒ Object 



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# File 'lib/rsyntaxtree.rb', line 108

def draw_pdf
  @params["format"] = "pdf"
  draw_tree
end

#draw_png ⇒ Object 



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# File 'lib/rsyntaxtree.rb', line 103

def draw_png
  @params["format"] = "png"
  draw_tree
end

#draw_svg ⇒ Object 



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# File 'lib/rsyntaxtree.rb', line 123

def draw_svg
  @params["format"] = "svg"
  sp = StringParser.new(@params["data"].gsub('&', '&'))
  sp.parse
  sp.auto_subscript if @params["autosub"]
  elist = sp.get_elementlist
  graph = SVGGraph.new(elist, 
    @params["symmetrize"], @params["color"], @params["leafstyle"], @params["font"], @params["fontsize"])
  graph.svg_data
end

#draw_tree ⇒ Object 



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# File 'lib/rsyntaxtree.rb', line 113

def draw_tree
  sp = StringParser.new(@params["data"])
  sp.parse
  sp.auto_subscript if @params["autosub"]
  elist = sp.get_elementlist
  graph = TreeGraph.new(elist, 
    @params["symmetrize"], @params["color"], @params["leafstyle"], @params["font"], @params["fontsize"], @params["format"])
  graph.to_blob(@params["format"])
end