/**
* Generates the processing chain.
*
* @author Noah Fontes <*****@*****.**>
* @since 1.0.0
*/
protected static function createProcessors()
{
self::$processors = array();
self::$processorCount = 0;
foreach (self::$chain as $file) {
$processorImpl = new AgaviXmlConfigDomDocument();
$processorImpl->load(AgaviConfig::get('core.agavi_dir') . '/config/schematron/' . $file);
$processor = new AgaviXmlConfigXsltProcessor();
$processor->importStylesheet($processorImpl);
self::$processors[] = $processor;
self::$processorCount++;
}
}
/**
* Validate the document against the given list of Schematron files.
*
* @param AgaviXmlConfigDomDocument The document to act upon.
* @param string The environment name.
* @param string The context name.
* @param array An array of file names to validate against.
*
* @author David Zülke <*****@*****.**>
* @author Noah Fontes <*****@*****.**>
* @since 0.11.0
*/
public static function validateSchematron(AgaviXmlConfigDomDocument $document, $environment, $context, array $validationFiles = array())
{
if (AgaviConfig::get('core.skip_config_transformations', false)) {
return;
}
// load the schematron processor
$schematron = new AgaviXmlConfigSchematronProcessor();
$schematron->setNode($document);
// set some info (config file path, context name, environment name) as params
// first arg is the namespace URI, which PHP doesn't support. awesome. see http://bugs.php.net/bug.php?id=30622 for the sad details
// we could use "agavi:context" etc, that does work even without such a prefix being declared in the stylesheet, but that would be completely non-XML-ish, confusing, and against the spec. so we use dots instead.
$schematron->setParameters(array('agavi.config_path' => $document->documentURI, 'agavi.environment' => $environment, 'agavi.context' => $context));
// loop over all validation files. those are .sch schematron schemas, which we transform to an XSL document that is then used to validate the source document :)
foreach ($validationFiles as $href) {
if (!is_readable($href)) {
throw new AgaviUnreadableException(sprintf('Schematron validation file "%s" for configuration file "%s" does not exist or is unreadable', $href, $document->documentURI));
}
// load the .sch file
try {
$sch = new AgaviXmlConfigDomDocument();
$sch->load($href);
} catch (DOMException $dome) {
throw new AgaviParseException(sprintf('Schematron validation of configuration file "%s" failed: Could not load schema file "%s": %s', $document->documentURI, $href, $dome->getMessage()));
}
// perform the validation transformation
try {
$result = $schematron->transform($sch);
} catch (Exception $e) {
throw new AgaviParseException(sprintf('Schematron validation of configuration file "%s" failed: Transformation failed: %s', $document->documentURI, $e->getMessage()));
}
// validation ran okay, now we need to look at the result document to see if there are errors
$xpath = $result->getXpath();
$xpath->registerNamespace('svrl', self::NAMESPACE_SVRL_ISO);
$results = $xpath->query('/svrl:schematron-output/svrl:failed-assert/svrl:text');
if ($results->length) {
$errors = array('Failed assertions:');
foreach ($results as $result) {
$errors[] = $result->nodeValue;
}
$results = $xpath->query('/svrl:schematron-output/svrl:successful-report/svrl:text');
if ($results->length) {
$errors[] = '';
$errors[] = 'Successful reports:';
foreach ($results as $result) {
$errors[] = $result->nodeValue;
}
}
throw new AgaviParseException(sprintf('Schematron validation of configuration file "%s" failed:' . "\n\n%s", $document->documentURI, implode("\n", $errors)));
}
}
}
