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<?php |
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namespace POData\Providers\Metadata\Type; |
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/** |
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* Class Guid. |
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*/ |
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class Guid implements IType |
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{ |
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/** |
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* Gets the type code |
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* Note: implementation of IType::getTypeCode. |
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* |
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* @return TypeCode |
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*/ |
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public function getTypeCode() |
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{ |
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return TypeCode::GUID; |
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} |
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/** |
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* Checks this type is compatible with another type |
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* Note: implementation of IType::isCompatibleWith. |
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* |
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* @param IType $type Type to check compatibility |
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* |
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* @return bool |
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*/ |
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public function isCompatibleWith(IType $type) |
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{ |
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return TypeCode::GUID == $type->getTypeCode(); |
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} |
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/** |
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* Validate a value in Astoria uri is in a format for this type |
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* Note: implementation of IType::validate. |
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* |
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* @param string $value The value to validate |
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* @param string &$outValue The stripped form of $value that can be |
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* used in PHP expressions |
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* |
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* @return bool |
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*/ |
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public function validate($value, &$outValue) |
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{ |
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////The GUID value present in the $filter option should have one of the following pattern. |
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//1. '/^guid\'([0-9a-fA-F]{32}\')?$/'; |
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//2. '/^guid\'([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}\')?$/'; |
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//3. '/^guid\'\{?([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}\}?\')?$/'; |
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//4. '/^guid\'\(?([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}\)?\')?$/'; |
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$length = strlen($value); |
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if (38 != $length && 42 != $length && 44 != $length) { |
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return false; |
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} |
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if (0 !== strpos($value, 'guid\'') && '\'' != $value[$length - 1]) { |
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return false; |
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} |
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$value = substr($value, 4, $length - 4); |
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if (!self::validateWithoutPrefix($value, true)) { |
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return false; |
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} |
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$outValue = $value; |
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return true; |
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} |
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/** |
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* Gets full name of this type in EDM namespace |
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* Note: implementation of IType::getFullTypeName. |
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* |
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* @return string |
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*/ |
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public function getFullTypeName() |
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{ |
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return 'Edm.Guid'; |
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} |
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/** |
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* Converts the given string value to guid type. |
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* |
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* @param string $stringValue value to convert |
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* |
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* @return string |
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*/ |
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public function convert($stringValue) |
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{ |
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$len = strlen($stringValue); |
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if (2 > $len) { |
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return $stringValue; |
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} |
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return substr($stringValue, 1, $len - 2); |
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} |
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/** |
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* Convert the given value to a form that can be used in OData uri. |
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* Note: The calling function should not pass null value, as this |
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* function will not perform any check for nullability. |
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* |
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* @param mixed $value value to convert |
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* |
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* @return string |
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*/ |
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public function convertToOData($value) |
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{ |
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return 'guid\'' . urlencode($value) . '\''; |
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} |
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/** |
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* Validates guid. |
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* |
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* @param string $guid The guid to validate |
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* @param bool $withQuotes Whether the above guid have quote as delimiter |
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* |
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* @return bool |
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*/ |
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public static function validateWithoutPrefix($guid, $withQuotes = false) |
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{ |
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if ($withQuotes) { |
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$patt = ['/^(\'[0-9a-fA-F]{32}\')?$/', |
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'/^(\'[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}\')?$/', |
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'/^\'\{?([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}\}?\')?$/', |
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'/^\'\(?([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}\)?\')?$/', ]; |
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} else { |
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$patt = ['/^([0-9a-fA-F]{32})?$/', |
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'/^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12})?$/', |
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'/^\{?([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}\}?)?$/', |
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'/^\(?([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}\)?)?$/', ]; |
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} |
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foreach ($patt as $pattern) { |
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if (1 == preg_match($pattern, $guid)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Check the equality of two guids. This function will not validate the |
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* guids one should use validate or validateWithoutPrefix to validate the |
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* guids before using them with this function. |
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* |
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* @param string $guid1 First guid |
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* @param string $guid2 Second guid |
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* |
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* @return bool True if both guids are same else false |
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*/ |
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public static function guidEqual($guid1, $guid2) |
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{ |
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$guid1 = str_replace(['{', '}', '(', ')', '-'], '', $guid1); |
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$guid2 = str_replace(['{', '}', '(', ')', '-'], '', $guid2); |
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return 0 === strcasecmp($guid1, $guid2); |
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} |
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/** |
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* Gets full name of the type implementing this interface in EDM namespace |
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* Note: implementation of IType::getFullTypeName. |
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* |
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* @return string |
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*/ |
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public function getName() |
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{ |
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return $this->getFullTypeName(); |
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} |
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} |
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Algo-Web /
POData
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