lib/smarty/internals/core.assemble_plugin_filepath.php

   1 <?php
   2 /**
   3  * Smarty plugin
   4  * @package Smarty
   5  * @subpackage plugins
   6  */
   7
   8 /**
   9  * assemble filepath of requested plugin
  10  *
  11  * @param string $type
  12  * @param string $name
  13  * @return string|false
  14  */
  15 function smarty_core_assemble_plugin_filepath($params, &$smarty)
  16 {
  17     static $_filepaths_cache = array();
  18
  19     $_plugin_filename = $params['type'] . '.' . $params['name'] . '.php';
  20     if (isset($_filepaths_cache[$_plugin_filename])) {
  21         return $_filepaths_cache[$_plugin_filename];
  22     }
  23     $_return = false;
  24
  25     foreach ((array)$smarty->plugins_dir as $_plugin_dir) {
  26
  27         $_plugin_filepath = $_plugin_dir . DIRECTORY_SEPARATOR . $_plugin_filename;
  28
  29         // see if path is relative
  30         if (!preg_match("/^([\/\\\\]|[a-zA-Z]:[\/\\\\])/", $_plugin_dir)) {
  31             $_relative_paths[] = $_plugin_dir;
  32             // relative path, see if it is in the SMARTY_DIR
  33             if (@is_readable(SMARTY_DIR . $_plugin_filepath)) {
  34                 $_return = SMARTY_DIR . $_plugin_filepath;
  35                 break;
  36             }
  37         }
  38         // try relative to cwd (or absolute)
  39         if (@is_readable($_plugin_filepath)) {
  40             $_return = $_plugin_filepath;
  41             break;
  42         }
  43     }
  44
  45     if($_return === false) {
  46         // still not found, try PHP include_path
  47         if(isset($_relative_paths)) {
  48             foreach ((array)$_relative_paths as $_plugin_dir) {
  49
  50                 $_plugin_filepath = $_plugin_dir . DIRECTORY_SEPARATOR . $_plugin_filename;
  51
  52                 $_params = array('file_path' => $_plugin_filepath);
  53                 require_once(SMARTY_CORE_DIR . 'core.get_include_path.php');
  54                 if(smarty_core_get_include_path($_params, $smarty)) {
  55                     $_return = $_params['new_file_path'];
  56                     break;
  57                 }
  58             }
  59         }
  60     }
  61     $_filepaths_cache[$_plugin_filename] = $_return;
  62     return $_return;
  63 }
  64
  65 /* vim: set expandtab: */
  66
  67 ?>