source: branches/comu-ver2/data/module/Smarty/libs/internals/core.read_cache_file.php @ 18650

Revision 18650, 3.5 KB checked in by Seasoft, 14 years ago (diff)

#403(インクルードしているライブラリ群をバージョンアップする)

  • Smarty 2.6.13 → 2.6.26
Line 
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
21function 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    $_contents = $params['results'];
52    $_info_start = strpos($_contents, "\n") + 1;
53    $_info_len = (int)substr($_contents, 0, $_info_start - 1);
54    $_cache_info = unserialize(substr($_contents, $_info_start, $_info_len));
55    $params['results'] = substr($_contents, $_info_start + $_info_len);
56
57    if ($smarty->caching == 2 && isset ($_cache_info['expires'])){
58        // caching by expiration time
59        if ($_cache_info['expires'] > -1 && (time() > $_cache_info['expires'])) {
60            // cache expired, regenerate
61            return false;
62        }
63    } else {
64        // caching by lifetime
65        if ($smarty->cache_lifetime > -1 && (time() - $_cache_info['timestamp'] > $smarty->cache_lifetime)) {
66            // cache expired, regenerate
67            return false;
68        }
69    }
70
71    if ($smarty->compile_check) {
72        $_params = array('get_source' => false, 'quiet'=>true);
73        foreach (array_keys($_cache_info['template']) as $_template_dep) {
74            $_params['resource_name'] = $_template_dep;
75            if (!$smarty->_fetch_resource_info($_params) || $_cache_info['timestamp'] < $_params['resource_timestamp']) {
76                // template file has changed, regenerate cache
77                return false;
78            }
79        }
80
81        if (isset($_cache_info['config'])) {
82            $_params = array('resource_base_path' => $smarty->config_dir, 'get_source' => false, 'quiet'=>true);
83            foreach (array_keys($_cache_info['config']) as $_config_dep) {
84                $_params['resource_name'] = $_config_dep;
85                if (!$smarty->_fetch_resource_info($_params) || $_cache_info['timestamp'] < $_params['resource_timestamp']) {
86                    // config file has changed, regenerate cache
87                    return false;
88                }
89            }
90        }
91    }
92
93    $content_cache[$params['tpl_file'].','.$params['cache_id'].','.$params['compile_id']] = array($params['results'], $_cache_info);
94
95    $smarty->_cache_info = $_cache_info;
96    return true;
97}
98
99/* vim: set expandtab: */
100
101?>
Note: See TracBrowser for help on using the repository browser.