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<?php |
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namespace League\JsonGuard\Constraint\DraftFour; |
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use League\JsonGuard\Assert; |
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use League\JsonGuard\ConstraintInterface; |
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use League\JsonGuard\ValidationError; |
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use League\JsonGuard\Validator; |
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use function League\JsonGuard\error; |
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final class Type implements ConstraintInterface |
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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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public function validate($value, $type, Validator $validator) |
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{ |
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Assert::type($type, ['array', 'string'], self::KEYWORD, $validator->getSchemaPath()); |
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if (is_array($type)) { |
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return $this->anyType($value, $type, $validator); |
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} |
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switch ($type) { |
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case 'object': |
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return $this->validateType($value, 'is_object', $validator); |
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case 'array': |
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return $this->validateType($value, 'is_array', $validator); |
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case 'boolean': |
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return $this->validateType($value, 'is_bool', $validator); |
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case 'null': |
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return $this->validateType($value, 'is_null', $validator); |
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case 'number': |
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return $this->validateType( |
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$value, |
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'League\JsonGuard\is_json_number', |
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$validator |
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); |
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case 'integer': |
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return $this->validateType( |
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$value, |
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'League\JsonGuard\is_json_integer', |
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$validator |
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); |
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case 'string': |
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return $this->validateType($value, 'is_string', $validator); |
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} |
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} |
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/** |
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* @param mixed $value |
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* @param callable $callable |
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* @param \League\JsonGuard\Validator $validator |
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* |
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* @return \League\JsonGuard\ValidationError|null |
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* |
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*/ |
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private function validateType($value, callable $callable, Validator $validator) |
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{ |
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if (call_user_func($callable, $value) === true) { |
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return null; |
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} |
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return error('The data must be a(n) {parameter}.', $validator); |
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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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* |
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* @param Validator $validator |
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* |
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* @return ValidationError|null |
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*/ |
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private function anyType($value, array $choices, Validator $validator) |
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{ |
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foreach ($choices as $type) { |
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$error = $this->validate($value, $type, $validator); |
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if (is_null($error)) { |
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return null; |
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} |
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} |
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return error('The data must be one of {parameter}.', $validator); |
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} |
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} |
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thephpleague /
json-guard
