protected function resolveCtxDeclarations($string)
{
$string = str_replace('$$', '__DBLDOLLAR__', $string);
preg_match_all('/\\$(?:\\{|\\[)(.*?)(?:\\}|\\])/', $string, $matches);
if (!$matches[0]) {
return $string;
}
$replaces = array();
// foreach ${term}, convert it to a PHP statement and resolve
// like a TALES expression
foreach ($matches[1] as $idx => $attr) {
$c = $this->createLocalVariable();
$structure = FALSE;
$dump = FALSE;
if (strpos($attr, 'structure ') === 0) {
$attr = trim(substr($attr, 10));
$structure = TRUE;
}
if (strpos($attr, 'dump ') === 0) {
$attr = trim(substr($attr, 5));
$dump = TRUE;
}
$str = PXHTMLTales::getInstance()->process($attr, $c . ' = %s;');
if ($structure) {
$php_inst = '<' . '?php ' . $str . 'echo ' . $c . '; unset(' . $c . ');' . '?' . '>';
} elseif ($dump) {
$php_inst = '<' . '?php ' . $str . 'var_dump(' . $c . '); unset(' . $c . ');' . '?' . '>';
} else {
$php_inst = '<' . '?php ' . $str . 'echo htmlspecialchars(' . $c . '); unset(' . $c . ');' . '?' . '>';
}
$replaces[$matches[0][$idx]] = $php_inst;
}
return str_replace('__DBLDOLLAR__', '$', str_replace(array_keys($replaces), array_values($replaces), $string));
}
public function __construct($Dom, $XPath)
{
$this->Dom = $Dom;
$this->XPath = $XPath;
$this->Tales = PXHTMLTales::getInstance();
}
public static function registerTales($pfx, $classname)
{
PXHTMLTales::cfg()->registerTales($pfx, $classname);
}
