/**
* Processes the opt:if and opt:omit-tag attributes.
* @internal
* @param Opt_Xml_Node $node The node with the attribute
* @param Opt_Xml_Attribute $attr The recognized attribute.
*/
public function processAttribute(Opt_Xml_Node $node, Opt_Xml_Attribute $attr)
{
// TODO: Add opt:omit-tag implementation, changed opt:on->opt:omit-tag, it should work as before
switch ($attr->getName()) {
case 'omit-tag':
if (!$this->_compiler->isNamespace($node->getNamespace())) {
$expr = $this->_compiler->compileExpression((string) $attr, false, Opt_Compiler_Class::ESCAPE_OFF);
$node->addBefore(Opt_Xml_Buffer::TAG_OPENING_BEFORE, ' $_tag_' . $this->_cnt . ' = false; if(' . $expr[0] . '){ $_tag_' . $this->_cnt . ' = true; ');
$node->addAfter(Opt_Xml_Buffer::TAG_OPENING_AFTER, ' } ');
$node->addBefore(Opt_Xml_Buffer::TAG_CLOSING_BEFORE, ' if($_tag_' . $this->_cnt . ' === true){ ');
$node->addAfter(Opt_Xml_Buffer::TAG_CLOSING_AFTER, ' } ');
$this->_cnt++;
break;
}
case 'if':
// opt:if added to an section must be handled differently.
// Wait for the section processor and add the condition in the postprocessing.
if ($this->_compiler->isInstruction($node->getXmlName()) instanceof Opt_Instruction_BaseSection) {
$attr->set('postprocess', true);
return;
}
$expr = $this->_compiler->compileExpression((string) $attr, false, Opt_Compiler_Class::ESCAPE_OFF);
$node->addBefore(Opt_Xml_Buffer::TAG_BEFORE, ' if(' . $expr[0] . '){ ');
$node->addAfter(Opt_Xml_Buffer::TAG_AFTER, ' } ');
}
}
/**
* Processes the opt:single instruction attribute.
*
* @internal
* @param Opt_Xml_Node $node XML node.
* @param Opt_Xml_Attribute $attr XML attribute.
* @throws Opt_AttributeInvalidNamespace_Exception
*/
public function processAttribute(Opt_Xml_Node $node, Opt_Xml_Attribute $attr)
{
if ($this->_compiler->isNamespace($node->getNamespace())) {
throw new Opt_AttributeInvalidNamespace_Exception($node->getXmlName());
}
if ($attr->getValue() == 'yes') {
$attr->set('postprocess', true);
}
}
