AbstractAsset.php

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<?php
/*
 *  $Id$
 *
 * 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 LGPL. For more information, see
 * <http://www.doctrine-project.org>.
 */
 
namespace Doctrine\DBAL\Schema;
 
use Doctrine\DBAL\Platforms\AbstractPlatform;
 
abstract class AbstractAsset
{
    protected $_name;
 
    protected $_quoted = false;
 
    protected function _setName($name)
    {
        if (strlen($name)) {
            // TODO: find more elegant way to solve this issue.
            if ($name[0] == '`') {
                $this->_quoted = true;
                $name = trim($name, '`');
            } else if ($name[0] == '"') {
                $this->_quoted = true;
                $name = trim($name, '"');
            }
        }
        $this->_name = $name;
    }
 
    public function getName()
    {
        return $this->_name;
    }
 
    public function getQuotedName(AbstractPlatform $platform)
    {
        return ($this->_quoted) ? $platform->quoteIdentifier($this->_name) : $this->_name;
    }
 
    protected function _generateIdentifierName($columnNames, $postfix='', $maxSize=30)
    {
        $columnCount = count($columnNames);
        $postfixLen = strlen($postfix);
        $parts = array_map(function($columnName) use($columnCount, $postfixLen, $maxSize) {
            return substr($columnName, -floor(($maxSize-$postfixLen)/$columnCount - 1));
        }, $columnNames);
        $parts[] = $postfix;
 
        $identifier = trim(implode("_", $parts), '_');
        // using implicit schema support of DB2 and Postgres there might be dots in the auto-generated
        // identifier names which can easily be replaced by underscores.
        $identifier = str_replace(".", "_", $identifier);
 
        if (is_numeric(substr($identifier, 0, 1))) {
            $identifier = "i" . substr($identifier, 0, strlen($identifier)-1);
        }
 
        return $identifier;
    }
}