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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@7137 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu 2004-10-29 08:43:10 +00:00
parent 61edd31bf6
commit 6b8e5b303f
1 changed files with 25 additions and 25 deletions
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50
lib/rdoc/dot/dot.rb
View file

@ -1,15 +1,15 @@
module DOT
# these glogal vars are used to make nice graph source
$tab = ' '
$tab2 = $tab * 2
# if we don't like 4 spaces, we can change it any time
def change_tab( t )
$tab = t
$tab2 = t * 2
end
# options for node declaration
NODE_OPTS = [
'bgcolor',
@ -27,7 +27,7 @@ module DOT
'style',
'URL',
]
# options for edge declaration
EDGE_OPTS = [
'color',
@ -45,7 +45,7 @@ module DOT
'style',
'weight'
]
# options for graph declaration
GRAPH_OPTS = [
'bgcolor',
@ -75,7 +75,7 @@ module DOT
'style',
'URL'
]
# a root class for any element in dot notation
class DOTSimpleElement
attr_accessor :name
@ -88,7 +88,7 @@ module DOT
@name
end
end
# an element that has options ( node, edge or graph )
class DOTElement < DOTSimpleElement
#attr_reader :parent
@ -96,7 +96,7 @@ module DOT
def initialize( params = {}, option_list = [] )
super( params )
@name = params['name'] ? params['name'] : nil
@name = params['name'] ? params['name'] : nil
@parent = params['parent'] ? params['parent'] : nil
@options = {}
option_list.each{ |i|
@ -104,7 +104,7 @@ module DOT
}
@options['label'] ||= @name if @name != 'node'
end
def each_option
@options.each{ |i| yield i }
end
@ -118,13 +118,13 @@ module DOT
# @parent = thing
#end
end
# this is used when we build nodes that have shape=record
# ports don't have options :)
class DOTPort < DOTSimpleElement
attr_accessor :label
def initialize( params = {} )
super( params )
@name = params['label'] ? params['label'] : ''
@ -133,7 +133,7 @@ module DOT
( @name && @name != "" ? "<#{@name}>" : "" ) + "#{@label}"
end
end
# node element
class DOTNode < DOTElement
@ -161,7 +161,7 @@ module DOT
def to_s( t = '' )
label = @options['shape'] != 'record' && @ports.length == 0 ?
@options['label'] ?
@options['label'] ?
t + $tab + "label = \"#{@options['label']}\"\n" :
'' :
t + $tab + 'label = "' + " \\\n" +
@ -170,14 +170,14 @@ module DOT
t + $tab2 + i.to_s
}.join( "| \\\n" ) + " \\\n" +
t + $tab + '"' + "\n"
t + "#{@name} [\n" +
@options.to_a.collect{ |i|
i[1] && i[0] != 'label' ?
i[1] && i[0] != 'label' ?
t + $tab + "#{i[0]} = #{i[1]}" : nil
}.compact.join( ",\n" ) + ( label != '' ? ",\n" : "\n" ) +
}.compact.join( ",\n" ) + ( label != '' ? ",\n" : "\n" ) +
label +
t + "]\n"
t + "]\n"
end
end
@ -198,7 +198,7 @@ module DOT
def << ( thing )
@nodes << thing
end
def push( thing )
@nodes.push( thing )
end
@ -211,14 +211,14 @@ module DOT
hdr = t + "#{@dot_string} #{@name} {\n"
options = @options.to_a.collect{ |name, val|
val && name != 'label' ?
t + $tab + "#{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"
}.join( "\n" ) + "\n"
hdr + options + nodes + t + "}\n"
end
end
@ -239,12 +239,12 @@ module DOT
@from = params['from'] ? params['from'] : nil
@to = params['to'] ? params['to'] : nil
end
def to_s( t = '' )
t + "#{@from} -> #{to} [\n" +
@options.to_a.collect{ |i|
i[1] && i[0] != 'label' ?
t + $tab + "#{i[0]} = #{i[1]}" :
i[1] && i[0] != 'label' ?
t + $tab + "#{i[0]} = #{i[1]}" :
i[1] ? t + $tab + "#{i[0]} = \"#{i[1]}\"" : nil
}.compact.join( "\n" ) + "\n" + t + "]\n"
end