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<?php |
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/** |
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* The MIT License (MIT) |
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* |
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* Copyright (c) 2015 Repo2 |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in all |
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* copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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namespace Repo2\QueryBuilder; |
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class ExpressionBag implements \Countable |
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{ |
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/** @var ExpressionInterface[] */ |
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private $expressions; |
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/** |
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* @param ExpressionInterface[] $expressions |
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*/ |
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public function __construct(array $expressions = []) |
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{ |
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$this->expressions = $expressions; |
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} |
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/** |
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* @param \Repo2\QueryBuilder\ExpressionInterface $expression |
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* @return \Repo2\QueryBuilder\ExpressionBag |
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*/ |
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public function add(ExpressionInterface $expression) |
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{ |
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$this->expressions[] = $expression; |
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return $this; |
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} |
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/** |
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* @param \Repo2\QueryBuilder\DriverInterface $driver |
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* @param string $glue |
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* @return string |
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*/ |
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public function concat(DriverInterface $driver, $glue) |
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{ |
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$compiled = []; |
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foreach ($this->expressions as $expression) { |
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$compiled[] = $expression->compile($driver); |
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} |
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return implode($glue, $compiled); |
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} |
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/** |
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* @return boolean |
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*/ |
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public function isEmpty() |
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{ |
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return !$this->expressions; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function count() |
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{ |
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return count($this->expressions); |
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} |
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} |
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Repo2 /
query-builder
