Parses <ComponentRequirement>

        @param node: Node containing the <ComponentRequirement> element
        @type node: xml.etree.Element

def parse_component_requirement(self, node):
        """
        Parses <ComponentRequirement>

        @param node: Node containing the <ComponentRequirement> element
        @type node: xml.etree.Element
        """

        if 'name' in node.lattrib:
            name = node.lattrib['name']
        else:
            self.raise_error('<ComponentRequirement> must specify a name')

        self.current_component_type.add_component_requirement(ComponentRequirement(name))