Hook.php
4.6 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2017 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
namespace think;
class Hook
{
private static $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
* @param bool $first 是否放到开头执行
* @return void
*/
public static function add($tag, $behavior, $first = false)
{
isset(self::$tags[$tag]) || self::$tags[$tag] = [];
if (is_array($behavior) && !is_callable($behavior)) {
if (!array_key_exists('_overlay', $behavior) || !$behavior['_overlay']) {
unset($behavior['_overlay']);
self::$tags[$tag] = array_merge(self::$tags[$tag], $behavior);
} else {
unset($behavior['_overlay']);
self::$tags[$tag] = $behavior;
}
} elseif ($first) {
array_unshift(self::$tags[$tag], $behavior);
} else {
self::$tags[$tag][] = $behavior;
}
}
/**
* 批量导入插件
* @param array $tags 插件信息
* @param boolean $recursive 是否递归合并
*/
public static function import(array $tags, $recursive = true)
{
if ($recursive) {
foreach ($tags as $tag => $behavior) {
self::add($tag, $behavior);
}
} else {
self::$tags = $tags + self::$tags;
}
}
/**
* 获取插件信息
* @param string $tag 插件位置 留空获取全部
* @return array
*/
public static function get($tag = '')
{
if (empty($tag)) {
//获取全部的插件信息
return self::$tags;
} else {
return array_key_exists($tag, self::$tags) ? self::$tags[$tag] : [];
}
}
/**
* 监听标签的行为
* @param string $tag 标签名称
* @param mixed $params 传入参数
* @param mixed $extra 额外参数
* @param bool $once 只获取一个有效返回值
* @return mixed
*/
public static function listen($tag, &$params = null, $extra = null, $once = false)
{
$results = [];
$tags = static::get($tag);
foreach ($tags as $key => $name) {
$results[$key] = self::exec($name, $tag, $params, $extra);
if (false === $results[$key]) {
// 如果返回false 则中断行为执行
break;
} elseif (!is_null($results[$key]) && $once) {
break;
}
}
return $once ? end($results) : $results;
}
/**
* 执行某个行为
* @param mixed $class 要执行的行为
* @param string $tag 方法名（标签名）
* @param Mixed $params 传人的参数
* @param mixed $extra 额外参数
* @return mixed
*/
public static function exec($class, $tag = '', &$params = null, $extra = null)
{
App::$debug && Debug::remark('behavior_start', 'time');
$method = Loader::parseName($tag, 1, false);
if ($class instanceof \Closure) {
$result = call_user_func_array($class, [ & $params, $extra]);
$class = 'Closure';
} elseif (is_array($class)) {
list($class, $method) = $class;
$result = (new $class())->$method($params, $extra);
$class = $class . '->' . $method;
} elseif (is_object($class)) {
$result = $class->$method($params, $extra);
$class = get_class($class);
} elseif (strpos($class, '::')) {
$result = call_user_func_array($class, [ & $params, $extra]);
} else {
$obj = new $class();
$method = ($tag && is_callable([$obj, $method])) ? $method : 'run';
$result = $obj->$method($params, $extra);
}
if (App::$debug) {
Debug::remark('behavior_end', 'time');
Log::record('[ BEHAVIOR ] Run ' . $class . ' @' . $tag . ' [ RunTime:' . Debug::getRangeTime('behavior_start', 'behavior_end') . 's ]', 'info');
}
return $result;
}
}