qii/Qii/Route/Parse/Normal.php

<?php
namespace Qii\Route\Parse;

/**
 * Route规则文件
 * 兼容以前版本的匹配规则
 *
 * @author Jinhui Zhu<jinhui.zhu@live.cn>2015-10-24 23:11
 * @version 1.2
 */

class Normal
{
	const VERSION = '1.2';
	private $config;

	public function __construct()
	{

	}

	/**
	 * 设置路由规则
	 * @param Array $config 路由规则
	 */
	public function setConfig($config)
	{
		$this->config = $config;
	}

	/**
	 * 路由转发， 转发对应的规则中xx不能为*
	 *
     * @param string $url url链接
	 * @param String $controller
	 * @param String $action
	 * @return Array ($controller, $action);
	 *
	 * *:* => *:yyy 所有controller和action都转发到 *->yyy
	 * *:* => yy:* 所有转发到xxx->*, 这里的*，前边对应的是什么，后边就对应转发到什么，比如: *:xxx => yy:yyy
	 * xx:* => yy:* xx中对应的方法转发到yy对应的方法
	 * xx:* => yy:yyy xxx Controller转发到 yy->yyy
	 * *:xxx => yy:yyy 所有Controller转发到 yy->yyy
	 * xxx:*(yy):第三个参数 => {1}:* 转发xxx:yy => yy:第三个参数
	 */
	public function parse($url, $controller, $action)
	{
		if (!$this->config) {
			return array('controller' => $controller, 'action' => $action);
		}

        $dirInfo = explode('/', pathinfo(ltrim($url, '/'), PATHINFO_DIRNAME));
        $fileName = pathinfo(ltrim($url, '/'), PATHINFO_FILENAME);
        $dirInfo[] = $fileName;
        $dir = '';
        $match = ['key' => '', 'val' => '', 'url' => $url];
        foreach($dirInfo AS $path)
        {
            $dir[] = $path;
            $joinPath = join($dir, ':') .":*";
            if(isset($this->config[$joinPath]))
            {
                $config = $this->config[$joinPath];
                //匹配最长的规则
                if(strlen($config) > strlen($match['val'])) {
                    $match = array_merge($match, ['key' => $joinPath, 'val' => $config]);
                }
            }
        }
        $match['dirInfo'] = $dirInfo;
        //如果match到就解析match的内容
        if($match['val']) {
            $matches = explode(':', $match['val']);
            $match['matches'] = $matches;
            $action = array_pop($matches);
            $controller = join('\\', $matches);
            $controllerExplode = explode('\\', $controller);
            if(stristr($controller, '{1}')){
                $controller = join('\\', array_slice($dirInfo,0 , count($controllerExplode)));
            }
            $action = $action == '{1}' || $action == '*' ? isset($dirInfo[count($controllerExplode)]) ? $dirInfo[count($controllerExplode)] : 'index' : $action;
            $match['controller'] = $controller;
            $match['action'] = $action;
        }else{
            $match['controller'] = isset($dirInfo[0]) ? $dirInfo[0] : 'index';
            $match['action'] = isset($dirInfo[1]) ? $dirInfo[1] : 'index';
        }
        return $match;
	}
}