/**
* Initialise xml element types.
* @return void
*/
public static function readElements($filename = 'elements.php')
{
FileUtils::assertFileReadable($filename);
require $filename;
if (isset($dtd)) {
self::$dtd = $dtd;
self::$filenameDTD = $filename;
}
if (isset($elements)) {
self::registerElements($elements);
}
}
/**
* Write PHP source code that generates top nodes
* to file.
* @method exportNodes
* @param string $filename Path to file on file system.
* @return int|false Number of bits writen or false on failure.
*/
public function exportNodes($filename = 'parsedNodes.php')
{
// Render top nodes
$source = '';
foreach ($this->topNodes as $node) {
if ($node instanceof NodeAccess) {
$source .= NodeRenderer::renderRecursive($node);
} else {
$source .= NodeRenderer::render($node);
}
}
return FileUtils::write2file($source, $filename, FileUtils::FILE_NEW);
}
/**
* Write PHP source code that generates an array containig empty
* elements.
* @method exportEmptyElements
* @param string $filename Valid path to file.
* @return int|false No. of bits written or false.
*/
public function exportEmptyElements($filename = 'emptyElements.php')
{
$elements = $this->getEmptyElements();
$source = NodeRenderer::renderArray($elements, 'elements');
return FileUtils::write2file($source, $filename, FileUtils::FILE_NEW);
}
