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Редакция | Автор | № строки | Строка |
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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 | * Prepend the cache information to the cache file |
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10 | * and write it |
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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 true|null |
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17 | */ |
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18 | |||
19 | // $tpl_file, $cache_id, $compile_id, $results |
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20 | |||
21 | function smarty_core_write_cache_file($params, &$smarty) |
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22 | { |
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23 | |||
24 | // put timestamp in cache header |
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25 | $smarty->_cache_info['timestamp'] = time(); |
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26 | if ($smarty->cache_lifetime > -1){ |
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27 | // expiration set |
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28 | $smarty->_cache_info['expires'] = $smarty->_cache_info['timestamp'] + $smarty->cache_lifetime; |
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29 | } else { |
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30 | // cache will never expire |
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31 | $smarty->_cache_info['expires'] = -1; |
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32 | } |
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33 | |||
34 | // collapse nocache.../nocache-tags |
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35 | if (preg_match_all('!\{(/?)nocache\:[0-9a-f]{32}#\d+\}!', $params['results'], $match, PREG_PATTERN_ORDER)) { |
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36 | // remove everything between every pair of outermost noache.../nocache-tags |
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37 | // and replace it by a single nocache-tag |
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38 | // this new nocache-tag will be replaced by dynamic contents in |
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39 | // smarty_core_process_compiled_includes() on a cache-read |
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40 | |||
41 | $match_count = count($match[0]); |
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42 | $results = preg_split('!(\{/?nocache\:[0-9a-f]{32}#\d+\})!', $params['results'], -1, PREG_SPLIT_DELIM_CAPTURE); |
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43 | |||
44 | $level = 0; |
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45 | $j = 0; |
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46 | for ($i=0, $results_count = count($results); $i < $results_count && $j < $match_count; $i++) { |
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47 | if ($results[$i] == $match[0][$j]) { |
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48 | // nocache tag |
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49 | if ($match[1][$j]) { // closing tag |
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50 | $level--; |
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51 | unset($results[$i]); |
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52 | } else { // opening tag |
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53 | if ($level++ > 0) unset($results[$i]); |
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54 | } |
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55 | $j++; |
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56 | } elseif ($level > 0) { |
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57 | unset($results[$i]); |
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58 | } |
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59 | } |
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60 | $params['results'] = implode('', $results); |
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61 | } |
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62 | $smarty->_cache_info['cache_serials'] = $smarty->_cache_serials; |
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63 | |||
64 | // prepend the cache header info into cache file |
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65 | $_cache_info = serialize($smarty->_cache_info); |
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66 | $params['results'] = strlen($_cache_info) . "\n" . $_cache_info . $params['results']; |
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67 | |||
68 | if (!empty($smarty->cache_handler_func)) { |
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69 | // use cache_handler function |
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70 | call_user_func_array($smarty->cache_handler_func, |
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71 | array('write', &$smarty, &$params['results'], $params['tpl_file'], $params['cache_id'], $params['compile_id'], $smarty->_cache_info['expires'])); |
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72 | } else { |
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73 | // use local cache file |
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74 | |||
75 | if(!@is_writable($smarty->cache_dir)) { |
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76 | // cache_dir not writable, see if it exists |
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77 | if(!@is_dir($smarty->cache_dir)) { |
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78 | $smarty->trigger_error('the $cache_dir \'' . $smarty->cache_dir . '\' does not exist, or is not a directory.', E_USER_ERROR); |
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79 | return false; |
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80 | } |
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81 | $smarty->trigger_error('unable to write to $cache_dir \'' . realpath($smarty->cache_dir) . '\'. Be sure $cache_dir is writable by the web server user.', E_USER_ERROR); |
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82 | return false; |
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83 | } |
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84 | |||
85 | $_auto_id = $smarty->_get_auto_id($params['cache_id'], $params['compile_id']); |
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86 | $_cache_file = $smarty->_get_auto_filename($smarty->cache_dir, $params['tpl_file'], $_auto_id); |
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87 | $_params = array('filename' => $_cache_file, 'contents' => $params['results'], 'create_dirs' => true); |
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88 | require_once(SMARTY_CORE_DIR . 'core.write_file.php'); |
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89 | smarty_core_write_file($_params, $smarty); |
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90 | return true; |
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91 | } |
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92 | } |
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93 | |||
94 | /* vim: set expandtab: */ |
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95 | |||
96 | ?> |