/**
* Processes the opt:dtd node.
* @internal
* @param Opt_Xml_Node $node The recognized node.
*/
public function processNode(Opt_Xml_Node $node)
{
$params = array('template' => array(0 => self::OPTIONAL, self::ID, null));
$this->_extractAttributes($node, $params);
// TODO: Hmmm... now we have to invent, how to deal with THAT!
if (is_null($params['template'])) {
Opt_Compiler_Utils::removeCdata($node, false);
$this->_process($node);
} else {
$root = $node;
while (is_object($tmp = $root->getParent())) {
$root = $tmp;
}
$node->set('nophp', true);
$node->set('hidden', false);
// Use one of the predefined DTD templates for various markup languages
switch ($params['template']) {
case 'xhtml10strict':
$dtd = new Opt_Xml_Dtd('<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">');
break;
case 'xhtml10transitional':
$dtd = new Opt_Xml_Dtd('<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">');
break;
case 'xhtml10frameset':
$dtd = new Opt_Xml_Dtd('<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd">');
break;
case 'xhtml11':
$dtd = new Opt_Xml_Dtd('<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">');
break;
case 'html40':
case 'html4':
$dtd = new Opt_Xml_Dtd('<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">');
break;
case 'html5':
$dtd = new Opt_Xml_Dtd('<!DOCTYPE html>');
break;
default:
throw new Opt_InvalidValue_Exception('opt:dtd template attribute: ' . $params['template']);
}
if (isset($dtd)) {
$root->setDtd($dtd);
}
}
}
/**
* Adds the escaping formula to the specified expression using the current escaping
* rules:
*
* 1. The $status variable.
* 2. The current template settings.
* 3. The OPT settings.
*
* @param char $modifier The modifier used to escape the expression.
* @param string $expression The PHP expression to be escaped.
* @param string $format The format of the expression.
* @param boolean $status The status of escaping for this expression or NULL, if not set.
* @return string The expression with the escaping formula added, if necessary.
*/
public function escape($modifier, $expression, $format, $status = null)
{
// OPT Configuration
$escape = $this->_tpl->escape;
// Template configuration
if ($this->get('escaping') !== null) {
$escape = $this->get('escaping') == true ? true : false;
}
// Expression settings
if ($status !== null) {
$escape = $status == true ? true : false;
}
// Apply the escaping subroutine defined by the modifier.
if (!array_key_exists($modifier, $this->_modifiers)) {
throw new Opt_InvalidExpressionModifier_Exception($modifier, $expression);
}
if ($escape && !empty($this->_modifiers[$modifier])) {
return $this->_modifiers[$modifier] . '(' . Opt_Compiler_Utils::cast($this->_cdfManager, $expression, $format, 'Scalar') . ')';
}
return $expression;
}
/**
* Processes an unary operator for a single expression.
*
* @param string $operator The PHP operator
* @param SplFixedArray $expr The expression
* @param int $weight The operator weight
* @return SplFixedArray
*/
public function _unaryOperator($operator, SplFixedArray $expr, $weight)
{
$expr[0] = $operator . Opt_Compiler_Utils::cast($this->_manager, $expr[0], $expr[2], 'Scalar');
$expr[1] += $weight;
$expr[3] = 0;
return $expr;
}
/**
* Used on a node, it looks for the CDATA elements and disables the
* CDATA flag on them. Moreover, it allows to disable the text entitizing.
*
* Note: this function is deprecated. Use Opt_Compiler_Utils::removeCdata()
* instead.
*
* @deprecated
* @param Opt_Xml_Node $node The scanned node
* @param Boolean $noEntitize optional The entitizing flag.
*/
public function disableCDATA(Opt_Xml_Node $node, $noEntitize = false)
{
Opt_Compiler_Utils::removeCdata($node, !$noEntitize);
}
