Файл: concrete5.7.5.6/concrete/vendor/doctrine/orm/lib/Doctrine/ORM/Query/Expr/Base.php
Строк: 77
<?php
/*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the MIT license. For more information, see
* <http://www.doctrine-project.org>.
*/
namespace DoctrineORMQueryExpr;
/**
* Abstract base Expr class for building DQL parts.
*
* @link www.doctrine-project.org
* @since 2.0
* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
* @author Jonathan Wage <jonwage@gmail.com>
* @author Roman Borschel <roman@code-factory.org>
*/
abstract class Base
{
/**
* @var string
*/
protected $preSeparator = '(';
/**
* @var string
*/
protected $separator = ', ';
/**
* @var string
*/
protected $postSeparator = ')';
/**
* @var array
*/
protected $allowedClasses = array();
/**
* @var array
*/
protected $parts = array();
/**
* @param array $args
*/
public function __construct($args = array())
{
$this->addMultiple($args);
}
/**
* @param array $args
*
* @return Base
*/
public function addMultiple($args = array())
{
foreach ((array) $args as $arg) {
$this->add($arg);
}
return $this;
}
/**
* @param mixed $arg
*
* @return Base
*
* @throws InvalidArgumentException
*/
public function add($arg)
{
if ( $arg !== null && (!$arg instanceof self || $arg->count() > 0) ) {
// If we decide to keep ExprBase instances, we can use this check
if ( ! is_string($arg)) {
$class = get_class($arg);
if ( ! in_array($class, $this->allowedClasses)) {
throw new InvalidArgumentException("Expression of type '$class' not allowed in this context.");
}
}
$this->parts[] = $arg;
}
return $this;
}
/**
* @return integer
*/
public function count()
{
return count($this->parts);
}
/**
* @return string
*/
public function __toString()
{
if ($this->count() == 1) {
return (string) $this->parts[0];
}
return $this->preSeparator . implode($this->separator, $this->parts) . $this->postSeparator;
}
}