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# XSD4R - WSDL named element collection.
# Copyright (C) 2002, 2003, 2005 NAKAMURA, Hiroshi <nahi@ruby-lang.org>.
# This program is copyrighted free software by NAKAMURA, Hiroshi. You can
# redistribute it and/or modify it under the same terms of Ruby's license;
# either the dual license version in 2003, or any later version.
module XSD
class NamedElements
include Enumerable
def initialize
@elements = []
@cache = {}
end
def dup
o = NamedElements.new
o.elements = @elements.dup
o
end
def freeze
super
@elements.freeze
self
end
def empty?
size == 0
end
def size
@elements.size
end
def [](idx)
if idx.is_a?(Numeric)
@elements[idx]
else
@cache[idx] ||= @elements.find { |item| item.name == idx }
end
end
def find_name(name)
@elements.find { |item| item.name.name == name }
end
def keys
collect { |element| element.name }
end
def each
@elements.each do |element|
yield(element)
end
end
def <<(rhs)
@elements << rhs
self
end
def delete(rhs)
@elements.delete(rhs)
end
def +(rhs)
o = NamedElements.new
o.elements = @elements + rhs.elements
o
end
def concat(rhs)
@elements.concat(rhs.elements)
self
end
Empty = NamedElements.new.freeze
protected
def elements=(rhs)
@elements = rhs
end
def elements
@elements
end
end
end
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