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<?php |
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/** |
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* @license LGPLv3, https://opensource.org/licenses/LGPL-3.0 |
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* @copyright Metaways Infosystems GmbH, 2011 |
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* @copyright Aimeos (aimeos.org), 2015-2025 |
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* @package Base |
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* @subpackage Common |
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*/ |
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namespace Aimeos\Base\Criteria\Expression\Combine; |
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/** |
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* SQL implementation for combining objects. |
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* |
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* @package Base |
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* @subpackage Common |
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*/ |
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class SQL extends Base |
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{ |
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private static $operators = array( '&&' => 'AND', '||' => 'OR', '!' => 'NOT' ); |
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/** |
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* Initializes the object. |
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* |
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* @param string $operator The used combine operator |
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* @param array $list List of expression objects |
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*/ |
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public function __construct( string $operator, array $list ) |
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{ |
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if( !isset( self::$operators[$operator] ) ) { |
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throw new \Aimeos\Base\Exception( sprintf( 'Invalid operator "%1$s"', $operator ) ); |
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} |
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parent::__construct( $operator, $list ); |
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} |
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/** |
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* Returns the available operators for the expression. |
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* |
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* @return array List of available operators |
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*/ |
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public static function getOperators() : array |
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{ |
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return array_keys( self::$operators ); |
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} |
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/** |
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* Generates a string from the expression objects. |
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* |
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* @param array $types Associative list of variable or column names as keys and their corresponding types |
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* @param array $translations Associative list of variable or column names that should be translated |
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* @param \Aimeos\Base\Criteria\Plugin\Iface[] $plugins Associative list of item names as keys and plugins objects as values |
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* @param array $funcs Associative list of item names and functions modifying the conditions |
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* @return mixed Expression that evaluates to a boolean result |
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*/ |
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public function toSource( array $types, array $translations = [], array $plugins = [], array $funcs = [] ) |
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{ |
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$expr = $this->getExpressions(); |
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if( ( $item = reset( $expr ) ) === false ) { |
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return ''; |
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} |
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$op = $this->getOperator(); |
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$string = $item->toSource( $types, $translations, $plugins, $funcs ); |
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if( $op == '!' && $string !== '' && $string !== null ) { |
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return ' ' . self::$operators[$op] . ' ( ' . $string . ' )'; |
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} |
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while( ( $item = next( $expr ) ) !== false ) |
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{ |
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$itemstr = $item->toSource( $types, $translations, $plugins, $funcs ); |
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if( $itemstr !== '' && $itemstr !== null ) |
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{ |
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if( $string !== '' && $string !== null ) { |
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$string .= ' ' . self::$operators[$op] . ' ' . $itemstr; |
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} else { |
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$string = $itemstr; |
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} |
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} |
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} |
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return $string ? '( ' . $string . ' )' : ''; |
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} |
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/** |
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* Translates the sort key into the name required by the storage |
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* |
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* @param array $translations Associative list of variable or column names that should be translated |
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* @param array $funcs Associative list of item names and functions modifying the conditions |
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* @return string|null Translated name (with replaced parameters if the name is an expression function) |
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*/ |
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public function translate( array $translations, array $funcs = [] ) : ?string |
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{ |
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return null; |
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} |
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} |
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aimeos /
aimeos-base
