forked from 0ad/0ad
92 lines
2.8 KiB
C++
92 lines
2.8 KiB
C++
/* Copyright (C) 2009 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* manage paths relative to a root directory
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*/
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// path types:
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// tag type type separator
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// portable relative /
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// os native absolute SYS_DIR_SEP
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// vfs vfs absolute /
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// the vfs root directory is "". no ':', '\\', "." or ".." are allowed.
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#ifndef INCLUDED_PATH
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#define INCLUDED_PATH
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struct PathTraits;
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typedef fs::basic_path<std::string, PathTraits> Path;
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struct PathTraits
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{
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typedef std::string internal_string_type;
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typedef std::string external_string_type;
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static LIB_API external_string_type to_external(const Path&, const internal_string_type& src);
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static LIB_API internal_string_type to_internal(const external_string_type& src);
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};
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namespace boost
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{
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namespace filesystem
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{
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template<> struct is_basic_path<Path>
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{
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BOOST_STATIC_CONSTANT(bool, value = true);
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};
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}
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}
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namespace ERR
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{
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const LibError PATH_ROOT_DIR_ALREADY_SET = -110200;
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const LibError PATH_NOT_IN_ROOT_DIR = -110201;
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}
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/**
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* establish the root OS directory (portable paths are relative to it)
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*
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* @param argv0 the value of argv[0] (used to determine the location
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* of the executable in case sys_get_executable_path fails). note that
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* the current directory cannot be used because it's not set when
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* starting via batch file.
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* @param relativePath root directory relative to the executable's directory.
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* the value is considered trusted since it will typically be hard-coded.
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*
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* example: executable in "$install_dir/system"; desired root dir is
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* "$install_dir/data" => rel_path = "../data".
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*
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* can only be called once unless path_ResetRootDir is called.
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**/
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LIB_API LibError path_SetRoot(const char* argv0, const char* relativePath);
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/**
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* reset root directory that was previously established via path_SetRoot.
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*
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* this function avoids the security complaint that would be raised if
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* path_SetRoot is called twice; it is provided for the
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* legitimate application of a self-test setUp()/tearDown().
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**/
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LIB_API void path_ResetRootDir();
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// note: path_MakeAbsolute has been replaced by Path::external_directory_string.
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#endif // #ifndef INCLUDED_PATH
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