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<?php
/*
* This file is part of the JsonSchema package.
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace JsonSchema\Constraints;
use JsonSchema\Uri\UriRetriever;
/**
* The Base Constraints, all Validators should extend this class
*
* @author Robert Schönthal <seroscho@googlemail.com>
* @author Bruno Prieto Reis <bruno.p.reis@gmail.com>
*/
abstract class Constraint implements ConstraintInterface
{
protected $checkMode = self::CHECK_MODE_NORMAL;
protected $uriRetriever;
protected $errors = array();
protected $inlineSchemaProperty = '$schema';
const CHECK_MODE_NORMAL = 1;
const CHECK_MODE_TYPE_CAST = 2;
/**
* @var null|Factory
*/
private $factory;
/**
* @param int $checkMode
* @param UriRetriever $uriRetriever
* @param Factory $factory
*/
public function __construct($checkMode = self::CHECK_MODE_NORMAL, UriRetriever $uriRetriever = null, Factory $factory = null)
{
$this->checkMode = $checkMode;
$this->uriRetriever = $uriRetriever;
$this->factory = $factory;
}
/**
* @return UriRetriever $uriRetriever
*/
public function getUriRetriever()
{
if (is_null($this->uriRetriever))
{
$this->setUriRetriever(new UriRetriever);
}
return $this->uriRetriever;
}
/**
* @return Factory
*/
public function getFactory()
{
if (!$this->factory) {
$this->factory = new Factory($this->getUriRetriever());
}
return $this->factory;
}
/**
* @param UriRetriever $uriRetriever
*/
public function setUriRetriever(UriRetriever $uriRetriever)
{
$this->uriRetriever = $uriRetriever;
}
/**
* {@inheritDoc}
*/
public function addError($path, $message, $constraint='', array $more=null)
{
$error = array(
'property' => $path,
'message' => $message,
'constraint' => $constraint,
);
if (is_array($more) && count($more) > 0)
{
$error += $more;
}
$this->errors[] = $error;
}
/**
* {@inheritDoc}
*/
public function addErrors(array $errors)
{
$this->errors = array_merge($this->errors, $errors);
}
/**
* {@inheritDoc}
*/
public function getErrors()
{
return $this->errors;
}
/**
* {@inheritDoc}
*/
public function isValid()
{
return !$this->getErrors();
}
/**
* Clears any reported errors. Should be used between
* multiple validation checks.
*/
public function reset()
{
$this->errors = array();
}
/**
* Bubble down the path
*
* @param string $path Current path
* @param mixed $i What to append to the path
*
* @return string
*/
protected function incrementPath($path, $i)
{
if ($path !== '') {
if (is_int($i)) {
$path .= '[' . $i . ']';
} elseif ($i == '') {
$path .= '';
} else {
$path .= '.' . $i;
}
} else {
$path = $i;
}
return $path;
}
/**
* Validates an array
*
* @param mixed $value
* @param mixed $schema
* @param mixed $path
* @param mixed $i
*/
protected function checkArray($value, $schema = null, $path = null, $i = null)
{
$validator = $this->getFactory()->createInstanceFor('collection');
$validator->check($value, $schema, $path, $i);
$this->addErrors($validator->getErrors());
}
/**
* Validates an object
*
* @param mixed $value
* @param mixed $schema
* @param mixed $path
* @param mixed $i
* @param mixed $patternProperties
*/
protected function checkObject($value, $schema = null, $path = null, $i = null, $patternProperties = null)
{
$validator = $this->getFactory()->createInstanceFor('object');
$validator->check($value, $schema, $path, $i, $patternProperties);
$this->addErrors($validator->getErrors());
}
/**
* Validates the type of a property
*
* @param mixed $value
* @param mixed $schema
* @param mixed $path
* @param mixed $i
*/
protected function checkType($value, $schema = null, $path = null, $i = null)
{
$validator = $this->getFactory()->createInstanceFor('type');
$validator->check($value, $schema, $path, $i);
$this->addErrors($validator->getErrors());
}
/**
* Checks a undefined element
*
* @param mixed $value
* @param mixed $schema
* @param mixed $path
* @param mixed $i
*/
protected function checkUndefined($value, $schema = null, $path = null, $i = null)
{
$validator = $this->getFactory()->createInstanceFor('undefined');
$validator->check($value, $schema, $path, $i);
$this->addErrors($validator->getErrors());
}
/**
* Checks a string element
*
* @param mixed $value
* @param mixed $schema
* @param mixed $path
* @param mixed $i
*/
protected function checkString($value, $schema = null, $path = null, $i = null)
{
$validator = $this->getFactory()->createInstanceFor('string');
$validator->check($value, $schema, $path, $i);
$this->addErrors($validator->getErrors());
}
/**
* Checks a number element
*
* @param mixed $value
* @param mixed $schema
* @param mixed $path
* @param mixed $i
*/
protected function checkNumber($value, $schema = null, $path = null, $i = null)
{
$validator = $this->getFactory()->createInstanceFor('number');
$validator->check($value, $schema, $path, $i);
$this->addErrors($validator->getErrors());
}
/**
* Checks a enum element
*
* @param mixed $value
* @param mixed $schema
* @param mixed $path
* @param mixed $i
*/
protected function checkEnum($value, $schema = null, $path = null, $i = null)
{
$validator = $this->getFactory()->createInstanceFor('enum');
$validator->check($value, $schema, $path, $i);
$this->addErrors($validator->getErrors());
}
protected function checkFormat($value, $schema = null, $path = null, $i = null)
{
$validator = $this->getFactory()->createInstanceFor('format');
$validator->check($value, $schema, $path, $i);
$this->addErrors($validator->getErrors());
}
/**
* @param string $uri JSON Schema URI
* @return string JSON Schema contents
*/
protected function retrieveUri($uri)
{
if (null === $this->uriRetriever) {
$this->setUriRetriever(new UriRetriever);
}
$jsonSchema = $this->uriRetriever->retrieve($uri);
// TODO validate using schema
return $jsonSchema;
}
}
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