Class: DOT::DOTNode

Inherits:
DOTElement show all
Defined in:
lib/rdoc/dot/dot.rb

Overview

node element

Instance Attribute Summary

Attributes inherited from DOTElement

#name, #options

Attributes inherited from DOTSimpleElement

#name

Instance Method Summary collapse

Methods inherited from DOTElement

#each_option, #each_option_pair

Constructor Details

#initialize(params = {}, option_list = NODE_OPTS) ⇒ DOTNode

Returns a new instance of DOTNode.



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# File 'lib/rdoc/dot/dot.rb', line 140

def initialize( params = {}, option_list = NODE_OPTS )
    super( params, option_list )
    @ports = params['ports'] ? params['ports'] : []
end

Instance Method Details

#<<(thing) ⇒ Object 



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# File 'lib/rdoc/dot/dot.rb', line 149

def << ( thing )
    @ports << thing
end

#each_port ⇒ Object 



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# File 'lib/rdoc/dot/dot.rb', line 145

def each_port
    @ports.each{ |i| yield i }
end

#pop ⇒ Object 



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# File 'lib/rdoc/dot/dot.rb', line 157

def pop
    @ports.pop
end

#push(thing) ⇒ Object 



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# File 'lib/rdoc/dot/dot.rb', line 153

def push ( thing )
    @ports.push( thing )
end

#to_s(t = '' ) ⇒ Object 



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# File 'lib/rdoc/dot/dot.rb', line 161

def to_s( t = '' )

    label = @options['shape'] != 'record' && @ports.length == 0 ?
        @options['label'] ?
            t + $tab + "label = \"#{@options['label']}\"\n" :
            '' :
        t + $tab + 'label = "' + " \\\n" +
        t + $tab2 + "#{@options['label']}| \\\n" +
        @ports.collect{ |i|
            t + $tab2 + i.to_s
        }.join( "| \\\n" ) + " \\\n" +
        t + $tab + '"' + "\n"

    t + "#{@name} [\n" +
    @options.to_a.collect{ |i|
        i[1] && i[0] != 'label' ?
            t + $tab + "#{i[0]} = #{i[1]}" : nil
    }.compact.join( ",\n" ) + ( label != '' ? ",\n" : "\n" ) +
    label +
    t + "]\n"
end