mirror of
https://gitea.wildfiregames.com/0ad/0ad
synced 2026-06-18 06:13:55 -07:00
109 lines
3.4 KiB
C++
109 lines
3.4 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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#include "lib/sysdep/filesystem.h" // wrealpath
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#include "lib/sysdep/sysdep.h" // sys_get_executable_name
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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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Paths::Paths(const CmdLineArgs& args)
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{
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m_root = Root(NativePathFromString(args.GetArg0()));
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#ifdef INSTALLED_DATADIR
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m_rdata = WIDEN(STRINGIZE(INSTALLED_DATADIR)) L"/";
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#else
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m_rdata = Path::Join(m_root, "data/");
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#endif
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const char* subdirectoryName = args.Has("writableRoot")? 0 : "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 = Path::Join(m_data, "config/");
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m_cache = Path::Join(m_data, "cache/");
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m_logs = Path::Join(m_root, "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 NativePath appdata = Path::AddSlash(Path::Join(wutil_AppdataPath(), subdirectoryName));
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m_data = Path::Join(appdata, "data/");
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m_config = Path::Join(appdata, "config/");
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m_cache = Path::Join(appdata, "cache/");
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m_logs = Path::Join(appdata, "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 NativePath home(NativePathFromString(envHome));
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const NativePath xdgData = Path::Join(XDG_Path("XDG_DATA_HOME", home, Path::Join(home, ".local/share/")), subdirectoryName);
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const NativePath xdgConfig = Path::Join(XDG_Path("XDG_CONFIG_HOME", home, Path::Join(home, ".config/")), subdirectoryName);
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const NativePath xdgCache = Path::Join(XDG_Path("XDG_CACHE_HOME", home, Path::Join(home, ".cache/")), subdirectoryName);
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m_data = Path::AddSlash(xdgData);
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m_cache = Path::AddSlash(xdgCache);
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m_config = Path::AddSlash(Path::Join(xdgConfig, "config"));
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m_logs = Path::AddSlash(Path::Join(xdgConfig, "logs"));
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#endif
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}
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}
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/*static*/ NativePath Paths::Root(const NativePath& argv0)
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{
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// get full path to executable
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NativePath 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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wchar_t pathname_buf[PATH_MAX];
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errno = 0;
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if(!wrealpath(argv0.c_str(), pathname_buf))
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WARN_ERR(LibError_from_errno(false));
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pathname = pathname_buf;
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}
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// make sure it's valid
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if(!FileExists(pathname))
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WARN_ERR(LibError_from_errno(false));
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fs::wpath components = pathname;
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for(size_t i = 0; i < 3; i++) // remove "system/name.exe"
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components.remove_leaf();
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return components.string();
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}
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/*static*/ NativePath Paths::XDG_Path(const char* envname, const NativePath& home, const NativePath& 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 Path::AddSlash(Path::Join(home, NativePathFromString(path)));
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return Path::AddSlash(NativePathFromString(path));
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}
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return Path::AddSlash(defaultPath);
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}
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