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<?php
class VariableTemplateSyntaxElement extends AbstractTemplateSyntaxElement
{
public static function is_element(StringInputStream $input)
{
return $input->assert_next('\s*(?:@(?:H\|)?)?(?:[a-z0-9A-Z_]\w+\.)*[a-z0-9A-Z_]\w+\s*');
}
public function parse(TemplateSyntaxParserContext $context, StringInputStream $input, StringOutputStream $output)
{
$this->register($context, $input, $output);
$input->consume_next('\s*');
$element = null;
if (LangVarTemplateSyntaxElement::is_element($input))
{
$element = new LangVarTemplateSyntaxElement();
}
elseif (LoopVarTemplateSyntaxElement::is_element($input))
{
$element = new LoopVarTemplateSyntaxElement();
}
elseif (SimpleVarTemplateSyntaxElement::is_element($input))
{
$element = new SimpleVarTemplateSyntaxElement();
}
else
{
throw new TemplateRenderingException('invalid variable', $input);
}
$this->parse_elt($element);
$input->consume_next('\s*');
}
}
?>