Contents

# Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Gregoire Lejeune <[e-mail]>
# 
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA

class GraphViz
   class Attrs
      attr_accessor :data

      def initialize( gviz, name, attributs )
         @name      = name
         @attributs = attributs
         @data      = Hash::new( )
         @graphviz  = gviz
      end

      def each
         @data.each do |k, v|
            yield(k, v)
         end
      end

      def to_h
         @data.clone
      end

      def []( key )
         if key.class == Hash
            key.each do |k, v|
               self[k] = v
            end
         else
            if @data.key?( key.to_s ) == false
               nil
            end
            @data[key.to_s]
         end
      end

      def []=( key, value )
         unless @attributs.keys.include?( key.to_s )
            raise ArgumentError, "#{@name} attribut '#{key.to_s}' invalid"
         end

         @data[key.to_s] = GraphViz::Types.const_get(@attributs[key.to_s]).new( value )

         if @graphviz.nil? == false
            @graphviz.set_position( @name, key.to_s, @data[key.to_s] )
         end
      end
   end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
ruby-graphviz-1.0.3	lib/graphviz/attrs.rb
ruby-graphviz-1.0.2	lib/graphviz/attrs.rb