0ad/source/ps/GameSetup/Paths.cpp
Ykkrosh 83271ec816 Fix build errors.
Fix VFS root directory failing IsDirectory, which breaks the search for
textures.xml.
Fix incompatible change to loose cache name determination.

This was SVN commit r9092.
2011-03-21 21:06:08 +00:00

110 lines
3.4 KiB
C++

/* Copyright (C) 2009 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#include "precompiled.h"
#include "Paths.h"
#include "lib/path_util.h"
#include "lib/utf8.h"
#include "lib/sysdep/filesystem.h" // wrealpath
#include "lib/sysdep/sysdep.h" // sys_get_executable_name
#if OS_WIN
# include "lib/sysdep/os/win/wutil.h" // wutil_AppdataPath
#endif
Paths::Paths(const CmdLineArgs& args)
{
m_root = Root(wstring_from_utf8(args.GetArg0()));
#ifdef INSTALLED_DATADIR
m_rdata = WIDEN(STRINGIZE(INSTALLED_DATADIR)) L"/";
#else
m_rdata = Path::Join(m_root, "data/");
#endif
const char* subdirectoryName = args.Has("writableRoot")? 0 : "0ad";
// everything is a subdirectory of the root
if(!subdirectoryName)
{
m_data = m_rdata;
m_config = Path::Join(m_data, "config/");
m_cache = Path::Join(m_data, "cache/");
m_logs = Path::Join(m_root, "logs/");
}
else
{
#if OS_WIN
const NativePath appdata = Path::AddSlash(Path::Join(wutil_AppdataPath(), NativePath(subdirectoryName)));
m_data = Path::Join(appdata, "data/");
m_config = Path::Join(appdata, "config/");
m_cache = Path::Join(appdata, "cache/");
m_logs = Path::Join(appdata, "logs/");
#else
const char* envHome = getenv("HOME");
debug_assert(envHome);
const NativePath home(wstring_from_utf8(envHome));
const NativePath xdgData = Path::Join(XDG_Path("XDG_DATA_HOME", home, Path::Join(home, ".local/share/")), subdirectoryName);
const NativePath xdgConfig = Path::Join(XDG_Path("XDG_CONFIG_HOME", home, Path::Join(home, ".config/")), subdirectoryName);
const NativePath xdgCache = Path::Join(XDG_Path("XDG_CACHE_HOME", home, Path::Join(home, ".cache/")), subdirectoryName);
m_data = Path::AddSlash(xdgData);
m_cache = Path::AddSlash(xdgCache);
m_config = Path::AddSlash(Path::Join(xdgConfig, "config"));
m_logs = Path::AddSlash(Path::Join(xdgConfig, "logs"));
#endif
}
}
/*static*/ NativePath Paths::Root(const std::wstring& argv0)
{
// get full path to executable
NativePath pathname;
// .. first try safe, but system-dependent version
if(sys_get_executable_name(pathname) != INFO::OK)
{
// .. failed; use argv[0]
wchar_t pathname_buf[PATH_MAX];
errno = 0;
if(!wrealpath(argv0.c_str(), pathname_buf))
WARN_ERR(LibError_from_errno(false));
pathname = pathname_buf;
}
// make sure it's valid
if(!FileExists(pathname))
WARN_ERR(LibError_from_errno(false));
fs::wpath components = pathname;
for(size_t i = 0; i < 3; i++) // remove "system/name.exe"
components.remove_leaf();
return components.string();
}
/*static*/ NativePath Paths::XDG_Path(const char* envname, const NativePath& home, const NativePath& defaultPath)
{
const char* path = getenv(envname);
if(path)
{
if(path[0] != '/') // relative to $HOME
return Path::AddSlash(Path::Join(home, path));
return Path::AddSlash(NativePathFromString(path));
}
return Path::AddSlash(defaultPath);
}