class RGL::DOT::Port
Ports are used when a Node instance has its `shape' option set to record or Mrecord. Ports can be nested.
Attributes
label[RW]
name[RW]
ports[RW]
Public Class Methods
new(name = nil, label = nil)
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new(ports)
Create a new port with either an optional name and label or a set of nested ports.
A nil
value for name
is valid; otherwise, it must
be a String or it will be interpreted as ports
.
# File lib/rgl/rdot.rb, line 208 def initialize(name_or_ports = nil, label = nil) if name_or_ports.nil? || name_or_ports.kind_of?(String) @name = name_or_ports @label = label @ports = nil else @ports = name_or_ports @name = nil @label = nil end end
Public Instance Methods
to_s()
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Returns a string representation of this port. If ports is a non-empty Enumerable, a nested ports representation is returned; otherwise, a name-label representation is returned.
# File lib/rgl/rdot.rb, line 224 def to_s if @ports.nil? || @ports.empty? n = (name.nil? || name.empty?) ? '' : "<#{name}>" n + ((n.empty? || label.nil? || label.empty?) ? '' : ' ') + label.to_s else '{' + @ports.collect { |p| p.to_s }.join(' | ') + '}' end end