diff options
author | rvelices <rv-github@modusoptimus.com> | 2008-02-27 02:31:51 +0000 |
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committer | rvelices <rv-github@modusoptimus.com> | 2008-02-27 02:31:51 +0000 |
commit | 75bb450a6ece6b2e30ad4c148083b7192d7d7224 (patch) | |
tree | 6b3e6c0da5baa7ba7e736e79a4b49a83918f25c9 /include/smarty/libs/internals/core.read_cache_file.php | |
parent | 01687607ec04f32ca03370456c112b64f66ca599 (diff) |
- first smarty use ... (in admin.php and admin plugins page)
git-svn-id: http://piwigo.org/svn/trunk@2216 68402e56-0260-453c-a942-63ccdbb3a9ee
Diffstat (limited to 'include/smarty/libs/internals/core.read_cache_file.php')
-rw-r--r-- | include/smarty/libs/internals/core.read_cache_file.php | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/include/smarty/libs/internals/core.read_cache_file.php b/include/smarty/libs/internals/core.read_cache_file.php new file mode 100644 index 000000000..c60e113a7 --- /dev/null +++ b/include/smarty/libs/internals/core.read_cache_file.php @@ -0,0 +1,101 @@ +<?php +/** + * Smarty plugin + * @package Smarty + * @subpackage plugins + */ + +/** + * read a cache file, determine if it needs to be + * regenerated or not + * + * @param string $tpl_file + * @param string $cache_id + * @param string $compile_id + * @param string $results + * @return boolean + */ + +// $tpl_file, $cache_id, $compile_id, &$results + +function smarty_core_read_cache_file(&$params, &$smarty) +{ + static $content_cache = array(); + + if ($smarty->force_compile) { + // force compile enabled, always regenerate + return false; + } + + if (isset($content_cache[$params['tpl_file'].','.$params['cache_id'].','.$params['compile_id']])) { + list($params['results'], $smarty->_cache_info) = $content_cache[$params['tpl_file'].','.$params['cache_id'].','.$params['compile_id']]; + return true; + } + + if (!empty($smarty->cache_handler_func)) { + // use cache_handler function + call_user_func_array($smarty->cache_handler_func, + array('read', &$smarty, &$params['results'], $params['tpl_file'], $params['cache_id'], $params['compile_id'], null)); + } else { + // use local cache file + $_auto_id = $smarty->_get_auto_id($params['cache_id'], $params['compile_id']); + $_cache_file = $smarty->_get_auto_filename($smarty->cache_dir, $params['tpl_file'], $_auto_id); + $params['results'] = $smarty->_read_file($_cache_file); + } + + if (empty($params['results'])) { + // nothing to parse (error?), regenerate cache + return false; + } + + $_contents = $params['results']; + $_info_start = strpos($_contents, "\n") + 1; + $_info_len = (int)substr($_contents, 0, $_info_start - 1); + $_cache_info = unserialize(substr($_contents, $_info_start, $_info_len)); + $params['results'] = substr($_contents, $_info_start + $_info_len); + + if ($smarty->caching == 2 && isset ($_cache_info['expires'])){ + // caching by expiration time + if ($_cache_info['expires'] > -1 && (time() > $_cache_info['expires'])) { + // cache expired, regenerate + return false; + } + } else { + // caching by lifetime + if ($smarty->cache_lifetime > -1 && (time() - $_cache_info['timestamp'] > $smarty->cache_lifetime)) { + // cache expired, regenerate + return false; + } + } + + if ($smarty->compile_check) { + $_params = array('get_source' => false, 'quiet'=>true); + foreach (array_keys($_cache_info['template']) as $_template_dep) { + $_params['resource_name'] = $_template_dep; + if (!$smarty->_fetch_resource_info($_params) || $_cache_info['timestamp'] < $_params['resource_timestamp']) { + // template file has changed, regenerate cache + return false; + } + } + + if (isset($_cache_info['config'])) { + $_params = array('resource_base_path' => $smarty->config_dir, 'get_source' => false, 'quiet'=>true); + foreach (array_keys($_cache_info['config']) as $_config_dep) { + $_params['resource_name'] = $_config_dep; + if (!$smarty->_fetch_resource_info($_params) || $_cache_info['timestamp'] < $_params['resource_timestamp']) { + // config file has changed, regenerate cache + return false; + } + } + } + } + + $content_cache[$params['tpl_file'].','.$params['cache_id'].','.$params['compile_id']] = array($params['results'], $_cache_info); + + $smarty->_cache_info = $_cache_info; + return true; +} + +/* vim: set expandtab: */ + +?> |