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<?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 Doctrine\ORM\Mapping;
use const CASE_LOWER;
use const CASE_UPPER;
use const E_USER_DEPRECATED;
use function preg_replace;
use function strpos;
use function strrpos;
use function strtolower;
use function strtoupper;
use function substr;
use function trigger_error;
/**
* Naming strategy implementing the underscore naming convention.
* Converts 'MyEntity' to 'my_entity' or 'MY_ENTITY'.
*
*
* @link www.doctrine-project.org
* @since 2.3
* @author Fabio B. Silva <fabio.bat.silva@gmail.com>
*/
class UnderscoreNamingStrategy implements NamingStrategy
{
private const DEFAULT_PATTERN = '/(?<=[a-z])([A-Z])/';
private const NUMBER_AWARE_PATTERN = '/(?<=[a-z0-9])([A-Z])/';
/**
* @var integer
*/
private $case;
/** @var string */
private $pattern;
/**
* Underscore naming strategy construct.
*
* @param int $case CASE_LOWER | CASE_UPPER
*/
public function __construct($case = CASE_LOWER, bool $numberAware = false)
{
if (! $numberAware) {
@trigger_error(
'Creating ' . self::class . ' without making it number aware is deprecated and will be removed in Doctrine ORM 3.0.',
E_USER_DEPRECATED
);
}
$this->case = $case;
$this->pattern = $numberAware ? self::NUMBER_AWARE_PATTERN : self::DEFAULT_PATTERN;
}
/**
* @return integer CASE_LOWER | CASE_UPPER
*/
public function getCase()
{
return $this->case;
}
/**
* Sets string case CASE_LOWER | CASE_UPPER.
* Alphabetic characters converted to lowercase or uppercase.
*
* @param integer $case
*
* @return void
*/
public function setCase($case)
{
$this->case = $case;
}
/**
* {@inheritdoc}
*/
public function classToTableName($className)
{
if (strpos($className, '\\') !== false) {
$className = substr($className, strrpos($className, '\\') + 1);
}
return $this->underscore($className);
}
/**
* {@inheritdoc}
*/
public function propertyToColumnName($propertyName, $className = null)
{
return $this->underscore($propertyName);
}
/**
* {@inheritdoc}
*/
public function embeddedFieldToColumnName($propertyName, $embeddedColumnName, $className = null, $embeddedClassName = null)
{
return $this->underscore($propertyName).'_'.$embeddedColumnName;
}
/**
* {@inheritdoc}
*/
public function referenceColumnName()
{
return $this->case === CASE_UPPER ? 'ID' : 'id';
}
/**
* {@inheritdoc}
*/
public function joinColumnName($propertyName, $className = null)
{
return $this->underscore($propertyName) . '_' . $this->referenceColumnName();
}
/**
* {@inheritdoc}
*/
public function joinTableName($sourceEntity, $targetEntity, $propertyName = null)
{
return $this->classToTableName($sourceEntity) . '_' . $this->classToTableName($targetEntity);
}
/**
* {@inheritdoc}
*/
public function joinKeyColumnName($entityName, $referencedColumnName = null)
{
return $this->classToTableName($entityName) . '_' .
($referencedColumnName ?: $this->referenceColumnName());
}
private function underscore(string $string) : string
{
$string = preg_replace($this->pattern, '_$1', $string);
if ($this->case === CASE_UPPER) {
return strtoupper($string);
}
return strtolower($string);
}
}
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