/**
* Validates an instance against a given schema and returns a list
* of violations, if any. If the schema contains relative remote
* references, its (absolute) URI must be passed as argument.
*
* @param mixed $instance
* @param stdClass $schema
* @param string $schemaUri
*
* @return array
*/
public function validate($instance, stdClass $schema, $schemaUri = '')
{
$parseContext = new Context();
$constraintContext = new Context();
// todo: keep ref of already resolved/parsed schemas
$schema = $this->walker->resolveReferences($schema, new Uri($schemaUri));
$schema = $this->walker->parseSchema($schema, $parseContext);
$this->walker->applyConstraints($instance, $schema, $constraintContext);
return $constraintContext->getViolations();
}
