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<?php |
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/* |
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* This file is part of the JVal package. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace JVal; |
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use JVal\Exception\UnsupportedTypeException; |
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/** |
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* Wraps the list of primitive types defined in the JSON Schema Core |
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* specification and provides utility methods to deal with them. |
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*/ |
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class Types |
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{ |
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const TYPE_ARRAY = 'array'; |
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const TYPE_BOOLEAN = 'boolean'; |
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const TYPE_INTEGER = 'integer'; |
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const TYPE_NUMBER = 'number'; |
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const TYPE_NULL = 'null'; |
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const TYPE_OBJECT = 'object'; |
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const TYPE_STRING = 'string'; |
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/** |
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* Returns the type of an instance according to JSON Schema Core 3.5. |
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* |
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* @param mixed $instance |
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* |
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* @return string |
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* |
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* @throws UnsupportedTypeException |
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*/ |
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public static function getPrimitiveTypeOf($instance) |
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{ |
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$phpType = gettype($instance); |
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switch ($phpType) { |
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case 'integer': |
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return self::TYPE_INTEGER; |
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case 'string': |
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return self::TYPE_STRING; |
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case 'boolean': |
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return self::TYPE_BOOLEAN; |
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case 'double': |
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return self::TYPE_NUMBER; |
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case 'object': |
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return self::TYPE_OBJECT; |
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case 'array': |
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return self::TYPE_ARRAY; |
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case 'NULL': |
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return self::TYPE_NULL; |
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} |
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throw new UnsupportedTypeException($phpType); |
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} |
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/** |
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* Returns whether an instance matches a given type. |
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* |
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* @param mixed $instance |
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* @param string $type |
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* |
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* @return bool |
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*/ |
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public static function isA($instance, $type) |
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{ |
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$phpType = gettype($instance); |
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switch ($phpType) { |
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case 'integer': |
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return $type === self::TYPE_INTEGER || $type === self::TYPE_NUMBER; |
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case 'string': |
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return $type === self::TYPE_STRING; |
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case 'boolean': |
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return $type === self::TYPE_BOOLEAN; |
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case 'double': |
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return $type === self::TYPE_NUMBER; |
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case 'object': |
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return $type === self::TYPE_OBJECT; |
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case 'array': |
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return $type === self::TYPE_ARRAY; |
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case 'NULL': |
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return $type === self::TYPE_NULL; |
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} |
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throw new UnsupportedTypeException($phpType); |
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} |
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/** |
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* Returns whether a type is part of the list of primitive types |
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* defined by the specification. |
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* |
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* @param string $type |
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* |
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* @return bool |
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*/ |
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public static function isPrimitive($type) |
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{ |
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return $type === self::TYPE_ARRAY |
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|| $type === self::TYPE_BOOLEAN |
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|| $type === self::TYPE_INTEGER |
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|| $type === self::TYPE_NUMBER |
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|| $type === self::TYPE_NULL |
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|| $type === self::TYPE_OBJECT |
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|| $type === self::TYPE_STRING; |
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} |
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} |
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