/**
* {@inheritdoc}
*/
public function apply($instance, stdClass $schema, Context $context, Walker $walker)
{
$hasMatch = false;
foreach ($schema->enum as $value) {
if (Utils::areEqual($instance, $value)) {
$hasMatch = true;
break;
}
}
if (!$hasMatch) {
$context->addViolation('should match one element in enum');
}
}
/**
* {@inheritdoc}
*/
public function apply($instance, stdClass $schema, Context $context, Walker $walker)
{
if ($schema->uniqueItems === true) {
foreach ($instance as $i => $aItem) {
foreach ($instance as $j => $bItem) {
if ($i !== $j && Utils::areEqual($aItem, $bItem)) {
$context->addViolation('elements must be unique');
break 2;
}
}
}
}
}
/**
* Fetches a remote schema and ensures it is valid.
*
* @param string $uri
*
* @throws InvalidRemoteSchemaException
* @throws JsonDecodeException
*
* @return stdClass
*/
private function fetchSchemaAt($uri)
{
if ($hook = $this->preFetchHook) {
$uri = $hook($uri);
}
set_error_handler(function ($severity, $error) use($uri) {
restore_error_handler();
throw new UnfetchableUriException([$uri, $error, $severity]);
});
$content = file_get_contents($uri);
restore_error_handler();
$schema = json_decode($content);
if (json_last_error() !== JSON_ERROR_NONE) {
throw new JsonDecodeException(sprintf('Cannot decode JSON from URI "%s" (error: %s)', $uri, Utils::lastJsonErrorMessage()));
}
if (!is_object($schema)) {
throw new InvalidRemoteSchemaException([$uri]);
}
return $schema;
}
/**
* {@inheritdoc}
*/
public function apply($instance, stdClass $schema, Context $context, Walker $walker)
{
if (!Utils::matchesRegex($instance, $schema->pattern)) {
$context->addViolation('should match regex "%s"', [$schema->pattern]);
}
}
/**
* Returns the JSON-decoded content of a file.
*
* @param string $file
*
* @return mixed
*/
protected function loadJsonFromFile($file)
{
return Utils::loadJsonFromFile($file);
}
private function parsePatternPropertiesProperty(stdClass $schema, Context $context, Walker $walker)
{
if (!is_object($schema->patternProperties)) {
throw new InvalidTypeException($context, Types::TYPE_OBJECT);
}
foreach ($schema->patternProperties as $regex => $value) {
$context->enterNode($regex);
if (!Utils::isValidRegex($regex)) {
throw new InvalidRegexException($context);
}
if (!is_object($value)) {
throw new InvalidTypeException($context, Types::TYPE_OBJECT);
}
$walker->parseSchema($value, $context);
$context->leaveNode();
}
}
private function getSchema($uri)
{
return Utils::loadJsonFromFile($this->uriToFile($uri));
}