/[cvs]/nfo/php/libs/net.php.smarty/core/core.read_cache_file.php
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Annotation of /nfo/php/libs/net.php.smarty/core/core.read_cache_file.php

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Revision 1.1 - (hide annotations)
Wed Jun 16 21:58:12 2004 UTC (20 years, 1 month ago) by joko
Branch: MAIN
CVS Tags: HEAD
updated to smarty-2.6.3

1 joko 1.1 <?php
2     /**
3     * Smarty plugin
4     * @package Smarty
5     * @subpackage plugins
6     */
7    
8     /**
9     * read a cache file, determine if it needs to be
10     * regenerated or not
11     *
12     * @param string $tpl_file
13     * @param string $cache_id
14     * @param string $compile_id
15     * @param string $results
16     * @return boolean
17     */
18    
19     // $tpl_file, $cache_id, $compile_id, &$results
20    
21     function smarty_core_read_cache_file(&$params, &$smarty)
22     {
23     static $content_cache = array();
24    
25     if ($smarty->force_compile) {
26     // force compile enabled, always regenerate
27     return false;
28     }
29    
30     if (isset($content_cache[$params['tpl_file'].','.$params['cache_id'].','.$params['compile_id']])) {
31     list($params['results'], $smarty->_cache_info) = $content_cache[$params['tpl_file'].','.$params['cache_id'].','.$params['compile_id']];
32     return true;
33     }
34    
35     if (!empty($smarty->cache_handler_func)) {
36     // use cache_handler function
37     call_user_func_array($smarty->cache_handler_func,
38     array('read', &$smarty, &$params['results'], $params['tpl_file'], $params['cache_id'], $params['compile_id'], null));
39     } else {
40     // use local cache file
41     $_auto_id = $smarty->_get_auto_id($params['cache_id'], $params['compile_id']);
42     $_cache_file = $smarty->_get_auto_filename($smarty->cache_dir, $params['tpl_file'], $_auto_id);
43     $params['results'] = $smarty->_read_file($_cache_file);
44     }
45    
46     if (empty($params['results'])) {
47     // nothing to parse (error?), regenerate cache
48     return false;
49     }
50    
51     $cache_split = explode("\n", $params['results'], 2);
52     $cache_header = $cache_split[0];
53    
54     $_cache_info = unserialize($cache_header);
55    
56     if ($smarty->caching == 2 && isset ($_cache_info['expires'])){
57     // caching by expiration time
58     if ($_cache_info['expires'] > -1 && (time() > $_cache_info['expires'])) {
59     // cache expired, regenerate
60     return false;
61     }
62     } else {
63     // caching by lifetime
64     if ($smarty->cache_lifetime > -1 && (time() - $_cache_info['timestamp'] > $smarty->cache_lifetime)) {
65     // cache expired, regenerate
66     return false;
67     }
68     }
69    
70     if ($smarty->compile_check) {
71     $_params = array('get_source' => false, 'quiet'=>true);
72     foreach (array_keys($_cache_info['template']) as $_template_dep) {
73     $_params['resource_name'] = $_template_dep;
74     if (!$smarty->_fetch_resource_info($_params) || $_cache_info['timestamp'] < $_params['resource_timestamp']) {
75     // template file has changed, regenerate cache
76     return false;
77     }
78     }
79    
80     if (isset($_cache_info['config'])) {
81     $_params = array('resource_base_path' => $smarty->config_dir, 'get_source' => false, 'quiet'=>true);
82     foreach (array_keys($_cache_info['config']) as $_config_dep) {
83     $_params['resource_name'] = $_config_dep;
84     if (!$smarty->_fetch_resource_info($_params) || $_cache_info['timestamp'] < $_params['resource_timestamp']) {
85     // config file has changed, regenerate cache
86     return false;
87     }
88     }
89     }
90     }
91    
92     foreach ($_cache_info['cache_serials'] as $_include_file_path=>$_cache_serial) {
93     if (empty($smarty->_cache_serials[$_include_file_path])) {
94     $smarty->_include($_include_file_path, true);
95     }
96    
97     if ($smarty->_cache_serials[$_include_file_path] != $_cache_serial) {
98     /* regenerate */
99     return false;
100     }
101     }
102     $params['results'] = $cache_split[1];
103     $content_cache[$params['tpl_file'].','.$params['cache_id'].','.$params['compile_id']] = array($params['results'], $_cache_info);
104    
105     $smarty->_cache_info = $_cache_info;
106     return true;
107     }
108    
109     /* vim: set expandtab: */
110    
111     ?>

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