/**
* Create the XML object from a string, fFile or URL
*
* The `$default_namespace` will be used for any sort of methods calls,
* member access or array access when the element or attribute name does
* not include a `:`.
*
* @throws fValidationException When the source XML is invalid or does not exist
*
* @param fFile|string $source The source of the XML, either an fFile object, a string of XML, a file path or a URL
* @param numeric $http_timeout The timeout to use in seconds when requesting an XML file from a URL
* @return fXML
*/
public function __construct($source, $http_timeout = NULL)
{
// Prevent spitting out errors to we can throw exceptions
$old_setting = libxml_use_internal_errors(TRUE);
$exception_message = NULL;
try {
if ($source instanceof DOMElement) {
$this->__dom = $source;
$xml = TRUE;
} elseif ($source instanceof fFile) {
$xml = simplexml_load_file($source->getPath());
// This handles URLs specially by adding a reasonable timeout
} elseif (preg_match('#^(?P<protocol>http(s)?)://#', $source, $matches)) {
if ($http_timeout === NULL) {
$http_timeout = ini_get('default_socket_timeout');
}
// We use the appropriate protocol here so PHP can supress IIS https:// warnings
$context = stream_context_create(array($matches['protocol'] => array('timeout' => $http_timeout)));
// If the URL is not loaded in time, this supresses the file_get_contents() warning
$old_level = error_reporting(error_reporting() & ~E_WARNING);
$xml = file_get_contents($source, 0, $context);
error_reporting($old_level);
if (!$xml) {
throw new fExpectedException('The URL specified, %s, could not be loaded', $source);
}
$xml = new SimpleXMLElement($xml);
} else {
$is_path = $source && !preg_match('#^\\s*<#', $source);
$xml = new SimpleXMLElement($source, 0, $is_path);
}
} catch (Exception $e) {
$exception_message = $e->getMessage();
$xml = FALSE;
}
// We want it to be clear when XML parsing issues occur
if ($xml === FALSE) {
$errors = libxml_get_errors();
foreach ($errors as $error) {
$exception_message .= "\n" . $error->message;
}
// If internal errors were off before, turn them back off
if (!$old_setting) {
libxml_use_internal_errors(FALSE);
}
throw new fValidationException(str_replace('%', '%%', $exception_message));
}
if (!$old_setting) {
libxml_use_internal_errors(FALSE);
}
if (!$this->__dom) {
$this->__dom = dom_import_simplexml($xml);
}
}
/**
* Keeps backup copies of files so they can be restored if there is a rollback
*
* @internal
*
* @param fFile $file The file that is being written to
* @return void
*/
public static function recordWrite($file)
{
self::$rollback_operations[] = array('action' => 'write', 'filename' => $file->getPath(), 'old_data' => file_get_contents($file->getPath()));
}
public function testGetPath()
{
$file = new fFile('output/fFile/one.txt');
$this->assertEquals(str_replace('/', DIRECTORY_SEPARATOR, '/output/fFile/one.txt'), str_replace($_SERVER['DOCUMENT_ROOT'], '', $file->getPath()));
}