<?php

class saRouting extends sfPatternRouting
{
    public function initialize(sfEventDispatcher $dispatcher, sfCache $cache = null, $options = array())
    {
        $options['context']['prefix'] = isset($options['prefix']) ? $options['prefix'] : '';
        parent::initialize($dispatcher, $cache, $options);
    }

    public function getRouteThatMatchesUrl($url)
    {
        if (isset($this->options['context']['prefix']))
        {
            $url = substr($url, strlen($this->options['context']['prefix']));
        }
        if ($url == '')
        {
            $url = '/';
        }
        return parent::getRouteThatMatchesUrl($url);
    }
}