Class: DOT::DOTSubgraph
Overview
subgraph element is the same to graph, but has another header in dot notation
Instance Attribute Summary
Attributes inherited from DOTElement
#name, #options
#name
Instance Method Summary
collapse
Methods inherited from DOTElement
#each_option, #each_option_pair
Constructor Details
#initialize(params = {}, option_list = GRAPH_OPTS) ⇒ DOTSubgraph
Returns a new instance of DOTSubgraph.
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# File 'lib/rdoc/dot/dot.rb', line 188
def initialize( params = {}, option_list = GRAPH_OPTS )
super( params, option_list )
@nodes = params['nodes'] ? params['nodes'] : []
@dot_string = 'subgraph'
end
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Instance Method Details
#<<(thing) ⇒ Object
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# File 'lib/rdoc/dot/dot.rb', line 198
def << ( thing )
@nodes << thing
end
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#each_node ⇒ Object
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# File 'lib/rdoc/dot/dot.rb', line 194
def each_node
@nodes.each{ |i| yield i }
end
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#pop ⇒ Object
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# File 'lib/rdoc/dot/dot.rb', line 206
def pop
@nodes.pop
end
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#push(thing) ⇒ Object
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# File 'lib/rdoc/dot/dot.rb', line 202
def push( thing )
@nodes.push( thing )
end
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#to_s(t = '') ⇒ Object
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# File 'lib/rdoc/dot/dot.rb', line 210
def to_s( t = '' )
hdr = t + "#{@dot_string} #{@name} {\n"
options = @options.to_a.collect{ |name, val|
val && name != 'label' ?
t + $tab + "#{name} = #{val}" :
name ? t + $tab + "#{name} = \"#{val}\"" : nil
}.compact.join( "\n" ) + "\n"
nodes = @nodes.collect{ |i|
i.to_s( t + $tab )
}.join( "\n" ) + "\n"
hdr + options + nodes + t + "}\n"
end
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