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| Редакция | Автор | № строки | Строка |
|---|---|---|---|
| 2 | alex-w | 1 | <?php |
| 2 | /** |
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| 3 | * Smarty plugin |
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| 4 | * @package Smarty |
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| 5 | * @subpackage plugins |
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| 6 | */ |
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| 7 | |||
| 8 | /** |
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| 9 | * read a cache file, determine if it needs to be |
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| 10 | * regenerated or not |
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| 11 | * |
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| 12 | * @param string $tpl_file |
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| 13 | * @param string $cache_id |
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| 14 | * @param string $compile_id |
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| 15 | * @param string $results |
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| 16 | * @return boolean |
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| 17 | */ |
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| 18 | |||
| 19 | // $tpl_file, $cache_id, $compile_id, &$results |
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| 20 | |||
| 21 | function smarty_core_read_cache_file(&$params, &$smarty) |
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| 22 | { |
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| 23 | static $content_cache = array(); |
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| 24 | |||
| 25 | if ($smarty->force_compile) { |
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| 26 | // force compile enabled, always regenerate |
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| 27 | return false; |
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| 28 | } |
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| 29 | |||
| 30 | if (isset($content_cache[$params['tpl_file'].','.$params['cache_id'].','.$params['compile_id']])) { |
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| 31 | list($params['results'], $smarty->_cache_info) = $content_cache[$params['tpl_file'].','.$params['cache_id'].','.$params['compile_id']]; |
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| 32 | return true; |
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| 33 | } |
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| 34 | |||
| 35 | if (!empty($smarty->cache_handler_func)) { |
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| 36 | // use cache_handler function |
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| 37 | call_user_func_array($smarty->cache_handler_func, |
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| 38 | array('read', &$smarty, &$params['results'], $params['tpl_file'], $params['cache_id'], $params['compile_id'], null)); |
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| 39 | } else { |
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| 40 | // use local cache file |
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| 41 | $_auto_id = $smarty->_get_auto_id($params['cache_id'], $params['compile_id']); |
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| 42 | $_cache_file = $smarty->_get_auto_filename($smarty->cache_dir, $params['tpl_file'], $_auto_id); |
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| 43 | $params['results'] = $smarty->_read_file($_cache_file); |
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| 44 | } |
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| 45 | |||
| 46 | if (empty($params['results'])) { |
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| 47 | // nothing to parse (error?), regenerate cache |
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| 48 | return false; |
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| 49 | } |
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| 50 | |||
| 51 | $_contents = $params['results']; |
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| 52 | $_info_start = strpos($_contents, "\n") + 1; |
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| 53 | $_info_len = (int)substr($_contents, 0, $_info_start - 1); |
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| 54 | $_cache_info = unserialize(substr($_contents, $_info_start, $_info_len)); |
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| 55 | $params['results'] = substr($_contents, $_info_start + $_info_len); |
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| 56 | |||
| 57 | if ($smarty->caching == 2 && isset ($_cache_info['expires'])){ |
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| 58 | // caching by expiration time |
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| 59 | if ($_cache_info['expires'] > -1 && (time() > $_cache_info['expires'])) { |
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| 60 | // cache expired, regenerate |
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| 61 | return false; |
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| 62 | } |
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| 63 | } else { |
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| 64 | // caching by lifetime |
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| 65 | if ($smarty->cache_lifetime > -1 && (time() - $_cache_info['timestamp'] > $smarty->cache_lifetime)) { |
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| 66 | // cache expired, regenerate |
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| 67 | return false; |
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| 68 | } |
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| 69 | } |
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| 70 | |||
| 71 | if ($smarty->compile_check) { |
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| 72 | $_params = array('get_source' => false, 'quiet'=>true); |
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| 73 | foreach (array_keys($_cache_info['template']) as $_template_dep) { |
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| 74 | $_params['resource_name'] = $_template_dep; |
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| 75 | if (!$smarty->_fetch_resource_info($_params) || $_cache_info['timestamp'] < $_params['resource_timestamp']) { |
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| 76 | // template file has changed, regenerate cache |
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| 77 | return false; |
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| 78 | } |
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| 79 | } |
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| 80 | |||
| 81 | if (isset($_cache_info['config'])) { |
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| 82 | $_params = array('resource_base_path' => $smarty->config_dir, 'get_source' => false, 'quiet'=>true); |
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| 83 | foreach (array_keys($_cache_info['config']) as $_config_dep) { |
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| 84 | $_params['resource_name'] = $_config_dep; |
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| 85 | if (!$smarty->_fetch_resource_info($_params) || $_cache_info['timestamp'] < $_params['resource_timestamp']) { |
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| 86 | // config file has changed, regenerate cache |
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| 87 | return false; |
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| 88 | } |
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| 89 | } |
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| 90 | } |
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| 91 | } |
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| 92 | |||
| 93 | $content_cache[$params['tpl_file'].','.$params['cache_id'].','.$params['compile_id']] = array($params['results'], $_cache_info); |
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| 94 | |||
| 95 | $smarty->_cache_info = $_cache_info; |
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| 96 | return true; |
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| 97 | } |
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| 98 | |||
| 99 | /* vim: set expandtab: */ |
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| 100 | |||
| 101 | ?> |