Files
framework/Library/Think/Hook.php
2015-01-19 11:04:05 +08:00

87 lines
2.7 KiB
PHP

<?php
// +----------------------------------------------------------------------
// | TOPThink [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2011 http://topthink.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
namespace Think;
class Hook {
static private $tags = [];
/**
* 动态添加行为扩展到某个标签
* @param string $tag 标签名称
* @param mixed $behavior 行为名称
* @return void
*/
static public function add($tag,$behavior) {
if(is_array($behavior)) {
self::$tags[$tag] = array_merge(self::$tags[$tag],$behavior);
}else{
self::$tags[$tag][] = $behavior;
}
}
/**
* 批量导入行为
* @param array $tags 标签行为
* @return void
*/
static public function import($tags) {
self::$tags = array_merge(self::$tags,$tags);
}
/**
* 监听标签的行为
* @param string $tag 标签名称
* @param mixed $params 传入参数
* @return void
*/
static public function listen($tag, &$params=null) {
if(isset(self::$tags[$tag])) {
foreach (self::$tags[$tag] as $name) {
Config::get('app_debug') && Debug::remark('behavior_start','time');
$result = self::exec($name, $tag,$params);
if(Config::get('app_debug')){
Debug::remark('behavior_end','time');
Log::record('Run '.$name.' [ RunTime:'.Debug::getUseTime('behavior_start','behavior_end').'s ]','INFO');
}
if(false === $result) {
// 如果返回false 则中断行为执行
return ;
}
}
}
return;
}
/**
* 执行某个行为
* @param string $name 行为名称
* @param string $tag 方法名(标签名)
* @param Mixed $params 传人的参数
* @return void
*/
static public function exec($name, $tag,&$params=null) {
if($name instanceof \Closure) {
return $name($params);
}
if('Behavior' == substr($name,-8) ){
// 行为扩展必须用run入口方法
$tag = 'run';
}
$addon = new $name();
return $addon->$tag($params);
}
}