97 lines
1.7 KiB
Ruby
97 lines
1.7 KiB
Ruby
require 'rexml/document'
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# SimpleXML like xml parser. Written by leon breet from the ruby on rails Mailing list
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class XmlNode #:nodoc:
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attr :node
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def initialize(node, options = {})
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@node = node
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@children = {}
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@raise_errors = options[:raise_errors]
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end
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def self.from_xml(xml_or_io)
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document = REXML::Document.new(xml_or_io)
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if document.root
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XmlNode.new(document.root)
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else
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XmlNode.new(document)
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end
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end
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def node_encoding
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@node.encoding
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end
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def node_name
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@node.name
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end
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def node_value
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@node.text
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end
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def node_value=(value)
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@node.text = value
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end
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def xpath(expr)
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matches = nil
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REXML::XPath.each(@node, expr) do |element|
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matches ||= XmlNodeList.new
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matches << (@children[element] ||= XmlNode.new(element))
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end
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matches
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end
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def method_missing(name, *args)
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name = name.to_s
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nodes = nil
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@node.each_element(name) do |element|
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nodes ||= XmlNodeList.new
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nodes << (@children[element] ||= XmlNode.new(element))
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end
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nodes
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end
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def <<(node)
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if node.is_a? REXML::Node
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child = node
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elsif node.respond_to? :node
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child = node.node
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end
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@node.add_element child
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@children[child] ||= XmlNode.new(child)
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end
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def [](name)
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@node.attributes[name.to_s]
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end
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def []=(name, value)
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@node.attributes[name.to_s] = value
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end
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def to_s
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@node.to_s
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end
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def to_i
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to_s.to_i
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end
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end
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class XmlNodeList < Array #:nodoc:
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def [](i)
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i.is_a?(String) ? super(0)[i] : super(i)
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end
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def []=(i, value)
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i.is_a?(String) ? self[0][i] = value : super(i, value)
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end
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def method_missing(name, *args)
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name = name.to_s
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self[0].__send__(name, *args)
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end
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end |