janwas
8a52113e60
please note: format strings must be %hs for char* arguments and %ls for wchar_t* This was SVN commit r7161.
99 lines
2.8 KiB
C++
99 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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#include "precompiled.h"
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#include "Paths.h"
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#include "lib/path_util.h"
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#if OS_WIN
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#include "lib/sysdep/os/win/wutil.h" // wutil_AppdataPath
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#endif
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#include "lib/sysdep/sysdep.h" // sys_get_executable_name
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Paths::Paths(const CmdLineArgs& args)
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{
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m_root = Root(args.GetArg0());
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m_rdata = m_root/L"data";
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const wchar_t* subdirectoryName = args.Has("writableRoot")? 0 : L"0ad";
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// everything is a subdirectory of the root
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if(!subdirectoryName)
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{
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m_data = m_rdata;
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m_config = m_data/L"config";
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m_cache = m_data/L"cache";
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m_logs = m_root/L"logs";
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}
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else
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{
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#if OS_WIN
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const fs::wpath appdata(wutil_AppdataPath()/subdirectoryName);
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m_data = appdata/L"data";
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m_config = appdata/L"config";
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m_cache = appdata/L"cache";
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m_logs = appdata/L"logs";
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#else
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const char* envHome = getenv("HOME");
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debug_assert(envHome);
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const fs::wpath home(envHome);
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m_data = XDG_Path("XDG_DATA_HOME", home, home/".local/share")/subdirectoryName;
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m_config = XDG_Path("XDG_CONFIG_HOME", home, home/".config")/subdirectoryName;
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m_cache = XDG_Path("XDG_CACHE_HOME", home, home/".cache")/subdirectoryName;
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m_logs = m_config/"logs";
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#endif
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}
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}
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/*static*/ fs::wpath Paths::Root(const CStr& argv0)
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{
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// get full path to executable
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fs::wpath pathname;
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// .. first try safe, but system-dependent version
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if(sys_get_executable_name(pathname) != INFO::OK)
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{
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// .. failed; use argv[0]
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char pathname_c[PATH_MAX];
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errno = 0;
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if(!realpath(argv0.c_str(), pathname_c))
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WARN_ERR(LibError_from_errno(false));
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pathname = wpath_from_path(pathname_c);
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}
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// make sure it's valid
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if(!fs::exists(pathname))
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WARN_ERR(LibError_from_errno(false));
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for(size_t i = 0; i < 3; i++) // remove "system/name.exe"
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pathname.remove_leaf();
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return pathname;
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}
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/*static*/ fs::wpath Paths::XDG_Path(const char* envname, const fs::wpath& home, const fs::wpath& defaultPath)
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{
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const char* path = getenv(envname);
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if(path)
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{
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if(path[0] != '/') // relative to $HOME
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return home/CStrW(path);
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return fs::wpath(CStrW(path));
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}
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return defaultPath;
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}
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