/**
* This method is called automatically for each XML attribute that the
* processor has registered during the postprocessing, if the instruction
* requested this by setting the "postprocess" variable to "true" in the
* attribute. It can handle many attributes, and the
* default implementation redirects the processing to the private
* user-created methods _postprocessAttrName for "opt:name" attribute.
*
* @param Opt_Xml_Node $node The node that contains the attribute.
* @param Opt_Xml_Attribute $attr The attribute to be processed.
*/
public function postprocessAttribute(Opt_Xml_Node $node, Opt_Xml_Attribute $attr)
{
$name = '_postprocessAttr' . ucfirst($attr->getName());
$this->{$name}($node, $attr);
}
/**
* Processes the opt:attributes-build and opt:attributes-ignore attributes.
* @internal
* @param Opt_Xml_Element $node The node
* @param Opt_Xml_Attribute $attr The attribute to process
*/
public function processAttribute(Opt_Xml_Node $node, Opt_Xml_Attribute $attr)
{
if ($attr->getName() == 'attributes-build') {
$ignoreList = $node->getAttribute('opt:attributes-ignore');
if ($ignoreList instanceof Opt_Xml_Attribute) {
$ignore = $this->_compiler->compileExpression($ignoreList->getValue(), false, Opt_Compiler_Class::ESCAPE_OFF);
$ignore = $ignore[0];
} else {
$ignore = 'array()';
}
$expression = $this->_compiler->compileExpression($attr->getValue(), false, Opt_Compiler_Class::ESCAPE_OFF);
$node->addAfter(Opt_Xml_Buffer::TAG_ENDING_ATTRIBUTES, 'echo Opt_Function::buildAttributes(' . $expression[0] . ', ' . $ignore . ', \' \'); ');
}
}
/**
* 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, ' } ');
}
}
