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121 linhas
3.9 KiB
121 linhas
3.9 KiB
<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006~2013 http://topthink.com All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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namespace Think;
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/**
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* ThinkPHP系统钩子实现
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*/
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class Hook {
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static private $tags = array();
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/**
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* 动态添加插件到某个标签
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* @param string $tag 标签名称
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* @param mixed $name 插件名称
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* @return void
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*/
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static public function add($tag,$name) {
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if(!isset(self::$tags[$tag])){
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self::$tags[$tag] = array();
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}
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if(is_array($name)){
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self::$tags[$tag] = array_merge(self::$tags[$tag],$name);
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}else{
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self::$tags[$tag][] = $name;
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}
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}
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/**
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* 批量导入插件
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* @param array $data 插件信息
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* @param boolean $recursive 是否递归合并
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* @return void
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*/
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static public function import($data,$recursive=true) {
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if(!$recursive){ // 覆盖导入
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self::$tags = array_merge(self::$tags,$data);
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}else{ // 合并导入
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foreach ($data as $tag=>$val){
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if(!isset(self::$tags[$tag]))
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self::$tags[$tag] = array();
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if(!empty($val['_overlay'])){
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// 可以针对某个标签指定覆盖模式
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unset($val['_overlay']);
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self::$tags[$tag] = $val;
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}else{
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// 合并模式
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self::$tags[$tag] = array_merge(self::$tags[$tag],$val);
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}
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}
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}
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}
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/**
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* 获取插件信息
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* @param string $tag 插件位置 留空获取全部
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* @return array
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*/
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static public function get($tag='') {
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if(empty($tag)){
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// 获取全部的插件信息
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return self::$tags;
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}else{
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return self::$tags[$tag];
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}
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}
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/**
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* 监听标签的插件
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* @param string $tag 标签名称
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* @param mixed $params 传入参数
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* @return void
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*/
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static public function listen($tag, &$params=NULL) {
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if(isset(self::$tags[$tag])) {
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if(APP_DEBUG) {
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G($tag.'Start');
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trace('[ '.$tag.' ] --START--','','INFO');
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}
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foreach (self::$tags[$tag] as $name) {
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APP_DEBUG && G($name.'_start');
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$result = self::exec($name, $tag,$params);
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if(APP_DEBUG){
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G($name.'_end');
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trace('Run '.$name.' [ RunTime:'.G($name.'_start',$name.'_end',6).'s ]','','INFO');
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}
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if(false === $result) {
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// 如果返回false 则中断插件执行
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return ;
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}
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}
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if(APP_DEBUG) { // 记录行为的执行日志
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trace('[ '.$tag.' ] --END-- [ RunTime:'.G($tag.'Start',$tag.'End',6).'s ]','','INFO');
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}
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}
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return;
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}
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/**
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* 执行某个插件
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* @param string $name 插件名称
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* @param string $tag 方法名（标签名）
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* @param Mixed $params 传入的参数
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* @return void
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*/
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static public function exec($name, $tag,&$params=NULL) {
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if('Behavior' == substr($name,-8) ){
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// 行为扩展必须用run入口方法
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$tag = 'run';
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}
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$addon = new $name();
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return $addon->$tag($params);
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}
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}
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