<?php
/**
 * patTemplate modfifier Nl2br
 *
 * @package wombat
 * @subpackage patTemplate
 * @author gERD Schaufelberger <gerd@php-tools.net>
 */

/**
 * patTemplate modfifier Nl2br
 *
 * Formats dates and times according to a format string.
 *
 *
 * See the PHP documentation for number_format() for
 * more information.
 */
class patTemplate_Modifier_Nl2br extends patTemplate_Modifier
{
    private $defaults = array(
                        'mode'      =>  'html',
                        'replace'   =>  ' '
                    );
   /**
    * Modify the value
    *
    * @param string value
    * @return string modified value
    */
    public function modify($value, $params = array())
    {
        $params =   array_merge($this->defaults, $params);
        switch ($params['mode']) {
            case 'tex':
            case 'latex':
                $value  =   str_replace(array("\r","\n"), array('', "\\newline\n"), $value);
                break;

            case 'replace':
                $value  =   str_replace(array("\r","\n"), array('', $params['replace']), $value);
                break;

            default:
                $value  =   nl2br($value);
                break;
        }

        return $value;
    }
}