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<?php |
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/** |
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* Author: Nil Portugués Calderó <[email protected]> |
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* Date: 12/23/14 |
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* Time: 1:26 PM. |
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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 NilPortugues\Sql\QueryFormatter\Tokenizer\Parser; |
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use NilPortugues\Sql\QueryFormatter\Tokenizer\Tokenizer; |
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/** |
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* Class UserDefined. |
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*/ |
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final class UserDefined |
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{ |
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/** |
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* @param Tokenizer $tokenizer |
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* @param string $string |
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* |
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* @return array |
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*/ |
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public static function isUserDefinedVariable(Tokenizer $tokenizer, $string) |
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{ |
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if (!$tokenizer->getNextToken() && self::isUserDefinedVariableString($string)) { |
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$tokenizer->setNextToken(self::getUserDefinedVariableString($string)); |
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} |
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} |
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/** |
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* @param string $string |
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* |
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* @return bool |
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*/ |
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protected static function isUserDefinedVariableString(&$string) |
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{ |
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return !empty($string[0]) && !empty($string[1]) && ($string[0] === '@' && isset($string[1])); |
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} |
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/** |
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* Gets the user defined variables for in quoted or non-quoted fashion. |
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* |
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* @param string $string |
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* |
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* @return array |
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*/ |
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protected static function getUserDefinedVariableString(&$string) |
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{ |
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$returnData = [ |
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Tokenizer::TOKEN_VALUE => null, |
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Tokenizer::TOKEN_TYPE => Tokenizer::TOKEN_TYPE_VARIABLE, |
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]; |
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self::setTokenValueStartingWithAtSymbolAndWrapped($returnData, $string); |
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self::setTokenValueStartingWithAtSymbol($returnData, $string); |
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return $returnData; |
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} |
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/** |
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* @param array $returnData |
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* @param string $string |
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*/ |
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protected static function setTokenValueStartingWithAtSymbolAndWrapped(array &$returnData, $string) |
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{ |
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if (!empty($string[1]) && ($string[1] === '"' || $string[1] === '\'' || $string[1] === '`')) { |
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$returnData[Tokenizer::TOKEN_VALUE] = '@'.Quoted::wrapStringWithQuotes(\substr($string, 1)); |
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} |
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} |
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/** |
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* @param array $returnData |
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* @param string $string |
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*/ |
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protected static function setTokenValueStartingWithAtSymbol(array &$returnData, $string) |
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{ |
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if (null === $returnData[Tokenizer::TOKEN_VALUE]) { |
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$matches = []; |
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\preg_match('/^(@[a-zA-Z0-9\._\$]+)/', $string, $matches); |
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if ($matches) { |
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$returnData[Tokenizer::TOKEN_VALUE] = $matches[1]; |
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} |
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} |
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} |
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} |
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nilportugues /
sql-query-formatter
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.