ThinkPHP/Library/Vendor/Smarty/sysplugins/smarty_internal_cacheresource_file.php

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<?php
/**
 * Smarty Internal Plugin CacheResource File
 *
 * @package Smarty
 * @subpackage Cacher
 * @author Uwe Tews
 * @author Rodney Rehm
 */

/**
 * This class does contain all necessary methods for the HTML cache on file system
 *
 * Implements the file system as resource for the HTML cache Version ussing nocache inserts.
 *
 * @package Smarty
 * @subpackage Cacher
 */
class Smarty_Internal_CacheResource_File extends Smarty_CacheResource {

    /**
     * populate Cached Object with meta data from Resource
     *
     * @param Smarty_Template_Cached   $cached    cached object
     * @param Smarty_Internal_Template $_template template object
     * @return void
     */
    public function populate(Smarty_Template_Cached $cached, Smarty_Internal_Template $_template)
    {
        $_source_file_path = str_replace(':', '.', $_template->source->filepath);
        $_cache_id = isset($_template->cache_id) ? preg_replace('![^\w\|]+!', '_', $_template->cache_id) : null;
        $_compile_id = isset($_template->compile_id) ? preg_replace('![^\w\|]+!', '_', $_template->compile_id) : null;
        $_filepath = $_template->source->uid;
        // if use_sub_dirs, break file into directories
        if ($_template->smarty->use_sub_dirs) {
            $_filepath = substr($_filepath, 0, 2) . DS
                . substr($_filepath, 2, 2) . DS
                . substr($_filepath, 4, 2) . DS
                . $_filepath;
        }
        $_compile_dir_sep = $_template->smarty->use_sub_dirs ? DS : '^';
        if (isset($_cache_id)) {
            $_cache_id = str_replace('|', $_compile_dir_sep, $_cache_id) . $_compile_dir_sep;
        } else {
            $_cache_id = '';
        }
        if (isset($_compile_id)) {
            $_compile_id = $_compile_id . $_compile_dir_sep;
        } else {
            $_compile_id = '';
        }
        $_cache_dir = $_template->smarty->getCacheDir();
        if ($_template->smarty->cache_locking) {
            // create locking file name
            // relative file name?
            if (!preg_match('/^([\/\\\\]|[a-zA-Z]:[\/\\\\])/', $_cache_dir)) {
                $_lock_dir = rtrim(getcwd(), '/\\') . DS . $_cache_dir;
            } else {
                $_lock_dir = $_cache_dir;
            }