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<?php |
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namespace League\JsonGuard\Constraints; |
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use League\JsonGuard; |
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use League\JsonGuard\ValidationError; |
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class Type implements PropertyConstraint |
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{ |
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const KEYWORD = 'type'; |
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/** |
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* {@inheritdoc} |
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*/ |
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80 |
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public static function validate($value, $type, $pointer = null) |
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{ |
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if (is_array($type)) { |
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return self::anyType($value, $type, $pointer); |
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} |
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switch ($type) { |
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80 |
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case 'object': |
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return self::validateType($value, $type, 'is_object', $pointer); |
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case 'array': |
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return self::validateType($value, $type, 'is_array', $pointer); |
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case 'boolean': |
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return self::validateType($value, $type, 'is_bool', $pointer); |
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case 'null': |
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return self::validateType($value, $type, 'is_null', $pointer); |
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case 'number': |
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return self::validateType( |
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$value, |
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$type, |
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'League\JsonGuard\is_json_number', |
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$pointer |
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); |
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case 'integer': |
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return self::validateType( |
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$value, |
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$type, |
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'League\JsonGuard\is_json_integer', |
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$pointer |
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); |
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case 'string': |
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return self::validateType( |
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$value, |
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$type, |
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function ($value) { |
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if (is_string($value)) { |
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// Make sure the string isn't actually a number that was too large |
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// to be cast to an int on this platform. This will only happen if |
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// you decode JSON with the JSON_BIGINT_AS_STRING option. |
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if (!(ctype_digit($value) && JsonGuard\compare($value, PHP_INT_MAX) === 1)) { |
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return true; |
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} |
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2 |
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} |
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return false; |
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}, |
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$pointer |
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); |
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} |
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} |
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/** |
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* @param mixed $value |
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* @param string $type |
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* @param callable $callable |
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* @param string $pointer |
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* |
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* @return \League\JsonGuard\ValidationError|null |
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*/ |
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private static function validateType($value, $type, callable $callable, $pointer) |
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{ |
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if (call_user_func($callable, $value) === true) { |
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return null; |
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} |
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return new ValidationError( |
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'Value {value} is not a(n) {type}', |
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self::KEYWORD, |
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$value, |
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$pointer, |
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['value' => $value, 'type' => $type] |
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); |
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} |
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/** |
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* @param mixed $value |
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* @param array $choices |
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* @param string $pointer |
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* |
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* @return \League\JsonGuard\ValidationError|null |
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*/ |
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private static function anyType($value, array $choices, $pointer) |
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{ |
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foreach ($choices as $type) { |
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$error = static::validate($value, $type, $pointer); |
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if (is_null($error)) { |
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return null; |
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} |
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} |
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return new ValidationError( |
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'Value {value} is not one of: {choices}', |
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self::KEYWORD, |
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$value, |
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$pointer, |
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[ |
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'value' => $value, |
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'choices' => $choices |
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] |
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); |
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} |
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} |
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thephpleague /
json-guard
