Parser.php
4.23 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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
<?php
namespace common\components\cachekey;
use Yii;
/**
* @author wuxiao
* @date 2016-8-29
*/
class Parser{
//路径
private $path;
/**
* 缓存句柄
* @var type
*/
private $cache;
/**
* 缓存过期时间，秒
* @var type
*/
private $expire = 0;
/**
* 错误信息
* @var type
*/
static $error;
static function self(){
static $self;
if (empty($self)){
$self = new self;
//初始化缓存句柄
if (function_exists('apcu_store')){
$self->cache = Yii::createObject([
'class'=>'yii\caching\ApcCache',
'useApcu'=>true
]);
}elseif (function_exists('apc_store')){
$self->cache = Yii::createObject('yii\caching\ApcCache');
}elseif (function_exists('shm_attach')){
$self->cache = Yii::createObject('common\components\caching\ShmCache');
}else{
$self->cache = Yii::createObject('yii\caching\ArrayCache');
}
}
return $self;
}
/**
* 载入路径
* @param type $path
* @param type $params
* @return type
*/
static function load($path){
$self = self::self();
$self->path = $path;
return $self;
}
/**
* 获取最终键名
* @return type
*/
public function key($params = []){
if (func_num_args() > 1){
$params = func_get_args();
}
$path = $this->path;
if (is_array($params)){
ksort($params);
}
$main_key = 'get'.$path.serialize($params);
if ($realkey = $this->cache->get($main_key)){
return $realkey;
}
$key = 'cacheKey'.$path;
if (!$cachekey = $this->cache->get($key)){
$cache = basename($path);
$dir = dirname($path);
if (!$cacheMap = $this->read($dir)){
self::$error = 'cannot read '.$path;
return;
}
if (empty($cacheMap[$cache])){
self::$error = 'cannot find map key '.$cache;
return;
}
$cachekey = $cacheMap[$cache];
$this->cache->set($key,$cachekey,$this->expire);
}
if (count((array)$params) != preg_match_all('/{[^}]+}/',$cachekey)){
throw new \Exception('Number of arguments not match');
}
if (is_array($params)){
if (!is_list($params)){
$dict = $list = [];
foreach ($params as $tag=>$value){
if (!is_int($tag)){
$dict['{'.$tag.'}'] = $value;
}else{
$list[] = $value;
}
}
$cachekey = strtr($cachekey,$dict);
$params = $list;
}
$realkey = preg_replace('/{[^}]+}/', '%s', $cachekey);
$realkey = call_user_func_array('sprintf',array($realkey)+$params);
}else{
$realkey = preg_replace('/{[^}]+}/', '%s', $cachekey);
$realkey = sprintf($realkey,$params);
}
$realkey = $this->addPrefix($realkey);
$this->cache->set($main_key,$realkey,$this->expire);
return $realkey;
}
/**
* 添加前缀
* @param type $key
* @return type
*/
private function addPrefix($key){
return strtr(Yii::$app->params['cache_prefix'].':'.$key,array('::'=>':'));
}
/**
* 读取文件
* @param type $path
* @return boolean
*/
private function read($path){
$key = __FUNCTION__.$path;
if (!$content = $this->cache->get($key)){
if (!is_readable($file = __DIR__.'/keys/'.$path.'.php')){
return false;
}
$content = include($file);
$this->cache->set($key,$content,$this->expire);
}
return $content;
}
}
if (!function_exists('is_list')){
function is_list(array $arr){
return array_keys($arr) === range(0,count($arr)-1);
}
}