You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

122 lines
3.9 KiB
PHTML

5 years ago
<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2013 http://topthink.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
namespace Think;
/**
* ThinkPHP系统钩子实现
*/
class Hook {
static private $tags = array();
/**
* 动态添加插件到某个标签
* @param string $tag 标签名称
* @param mixed $name 插件名称
* @return void
*/
static public function add($tag,$name) {
if(!isset(self::$tags[$tag])){
self::$tags[$tag] = array();
}
if(is_array($name)){
self::$tags[$tag] = array_merge(self::$tags[$tag],$name);
}else{
self::$tags[$tag][] = $name;
}
}
/**
* 批量导入插件
* @param array $data 插件信息
* @param boolean $recursive 是否递归合并
* @return void
*/
static public function import($data,$recursive=true) {
if(!$recursive){ // 覆盖导入
self::$tags = array_merge(self::$tags,$data);
}else{ // 合并导入
foreach ($data as $tag=>$val){
if(!isset(self::$tags[$tag]))
self::$tags[$tag] = array();
if(!empty($val['_overlay'])){
// 可以针对某个标签指定覆盖模式
unset($val['_overlay']);
self::$tags[$tag] = $val;
}else{
// 合并模式
self::$tags[$tag] = array_merge(self::$tags[$tag],$val);
}
}
}
}
/**
* 获取插件信息
* @param string $tag 插件位置 留空获取全部
* @return array
*/
static public function get($tag='') {
if(empty($tag)){
// 获取全部的插件信息
return self::$tags;
}else{
return self::$tags[$tag];
}
}
/**
* 监听标签的插件
* @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[$tag])) {
if(APP_DEBUG) {
G($tag.'Start');
trace('[ '.$tag.' ] --START--','','INFO');
}
foreach (self::$tags[$tag] as $name) {
APP_DEBUG && G($name.'_start');
$result = self::exec($name, $tag,$params);
if(APP_DEBUG){
G($name.'_end');
trace('Run '.$name.' [ RunTime:'.G($name.'_start',$name.'_end',6).'s ]','','INFO');
}
if(false === $result) {
// 如果返回false 则中断插件执行
return ;
}
}
if(APP_DEBUG) { // 记录行为的执行日志
trace('[ '.$tag.' ] --END-- [ RunTime:'.G($tag.'Start',$tag.'End',6).'s ]','','INFO');
}
}
return;
}
/**
* 执行某个插件
* @param string $name 插件名称
* @param string $tag 方法名(标签名)
* @param Mixed $params 传入的参数
* @return void
*/
static public function exec($name, $tag,&$params=NULL) {
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);
}
}