separatortocamelcase.php

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<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to [e-mail] so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Filter
 * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: CamelCaseToSeparator.php 6779 2007-11-08 15:10:41Z matthew $
 */

/**
 * @see Zend_Filter_PregReplace
 */
require_once 'Zend/Filter/Word/Separator/Abstract.php';

/**
 * @category   Zend
 * @package    Zend_Filter
 * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Filter_Word_SeparatorToCamelCase extends Zend_Filter_Word_Separator_Abstract
{

    public function filter($value)
    {
        // a unicode safe way of converting characters to \x00\x00 notation
        $pregQuotedSeparator = preg_quote($this->_separator, '#');

        if (self::isUnicodeSupportEnabled()) {
            parent::setMatchPattern(array('#('.$pregQuotedSeparator.')(\p{L}{1})#e','#(^\p{Ll}{1})#e'));
            parent::setReplacement(array("strtoupper('\\2')","strtoupper('\\1')"));
        } else {
            parent::setMatchPattern(array('#('.$pregQuotedSeparator.')([A-Z]{1})#e','#(^[a-z]{1})#e'));
            parent::setReplacement(array("strtoupper('\\2')","strtoupper('\\1')"));
        }

        return parent::filter($value);
    }

}