00001 // Filename: configVariableFilename.cxx 00002 // Created by: drose (22Nov04) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 #include "configVariableFilename.h" 00016 #include "executionEnvironment.h" 00017 00018 //////////////////////////////////////////////////////////////////// 00019 // Function: ConfigVariableFilename::reload_cache 00020 // Access: Private 00021 // Description: Recopies the config variable into the Filename for 00022 // returning its value. 00023 //////////////////////////////////////////////////////////////////// 00024 void ConfigVariableFilename:: 00025 reload_cache() { 00026 nassertv(_core != (ConfigVariableCore *)NULL); 00027 mark_cache_valid(_local_modified); 00028 00029 const ConfigDeclaration *decl = _core->get_declaration(0); 00030 const ConfigPage *page = decl->get_page(); 00031 00032 Filename page_filename(page->get_name()); 00033 Filename page_dirname = page_filename.get_dirname(); 00034 ExecutionEnvironment::shadow_environment_variable("THIS_PRC_DIR", page_dirname.to_os_specific()); 00035 00036 _cache = Filename::expand_from(decl->get_string_value()); 00037 ExecutionEnvironment::clear_shadow("THIS_PRC_DIR"); 00038 }