131 lines
4.3 KiB
C++
131 lines
4.3 KiB
C++
/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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#include "PlatformFolders.hpp"
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#include <iostream>
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#if __APPLE__
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#include <TargetConditionals.h>
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#endif
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#ifdef _WIN32
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#include <winerror.h>
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// For SHGetFolderPathW and various CSIDL "magic numbers"
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#include <shlobj.h>
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#include <utf8.h>
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#include <memory>
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namespace OpenVulkano
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{
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namespace
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{
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std::string GetKnownWindowsFolder(REFKNOWNFOLDERID folderId, std::string name)
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{
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LPWSTR wszPath = NULL;
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HRESULT hr;
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hr = SHGetKnownFolderPath(folderId, KF_FLAG_CREATE, NULL, &wszPath);
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std::unique_ptr<wchar_t, decltype(&CoTaskMemFree)> scopeBoundMemory(wszPath, &CoTaskMemFree);
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if (!SUCCEEDED(hr))
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{
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throw std::runtime_error("Failed to find " + name + "folder.");
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}
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std::wstring winPath(wszPath);
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std::string str;
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utf8::utf16to8(winPath.begin(), winPath.end(), std::back_inserter(str));
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return str;
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}
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}
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}
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#endif
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namespace OpenVulkano
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{
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namespace
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{
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std::filesystem::path GetHome()
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{
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auto home = std::getenv("HOME");
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if (home == nullptr) throw std::runtime_error("HOME environment variable not set!");
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return home;
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}
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[[nodiscard]] std::filesystem::path GetXDGFolderDefault(const char* envName, std::string_view defaultRelativePath)
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{
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#ifndef TARGET_OS_IOS != 1
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if (const char* envValue = std::getenv(envName))
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{
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if (envValue[0] == '/') return envValue;
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std::cerr << "Ignoring environment '" << envName << "' (value: '" << envValue << "') because it's relative! XDG specifies it should be absolute path. Falling back to default path.";
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}
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#endif
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return GetHome() / defaultRelativePath;
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}
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}
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PlatformFolders::PlatformFolders()
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{
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#ifdef __APPLE__
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#if TARGET_OS_IOS == 1
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dataHome = GetHome() / "Documents/";
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configHome = dataHome;
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stateDir = dataHome;
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dataCache = GetHome() / "Library/Caches/";
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tempDir = dataCache;
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#else
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const auto home = GetHome();
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dataHome = home / "Library/Application Support";
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configHome = home / "Library/Preferences";
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stateDir = dataHome;
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dataCache = home / "Library/Caches";
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#endif
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#elif defined(_WIN32)
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dataHome = GetKnownWindowsFolder(FOLDERID_RoamingAppData, "RoamingAppData");
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configHome = GetKnownWindowsFolder(FOLDERID_RoamingAppData, "RoamingAppData");
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stateDir = GetKnownWindowsFolder(FOLDERID_LocalAppData, "LocalAppData");
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dataCache = GetKnownWindowsFolder(FOLDERID_LocalAppData, "LocalAppData");
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desktop = GetKnownWindowsFolder(FOLDERID_Desktop, "Desktop");
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documents = GetKnownWindowsFolder(FOLDERID_Documents, "Documents");
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downloads = GetKnownWindowsFolder(FOLDERID_Downloads, "Downloads");
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pictures = GetKnownWindowsFolder(FOLDERID_Pictures, "Pictures");
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publicDir = GetKnownWindowsFolder(FOLDERID_Public, "Public");
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music = GetKnownWindowsFolder(FOLDERID_Music, "Music");
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video = GetKnownWindowsFolder(FOLDERID_Videos, "Videos");
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savedGames = GetKnownWindowsFolder(FOLDERID_SavedGames, "Saved Games");
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#else
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dataHome = GetXDGFolderDefault("XDG_DATA_HOME", ".local/share");
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configHome = GetXDGFolderDefault("XDG_CONFIG_HOME", ".config");
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stateDir = GetXDGFolderDefault("XDG_STATE_HOME", ".local/state");
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dataCache = GetXDGFolderDefault("XDG_CACHE_HOME", ".cache");
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#endif
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#if TARGET_OS_IOS != 1
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tempDir = std::filesystem::temp_directory_path();
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#endif
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// Use XDG resolution on Linux and MacOS (will skip the env variable check on MacOS and just use the fallbacks, since they align with apple)
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#ifndef _WIN32
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desktop = GetXDGFolderDefault("XDG_DESKTOP_DIR", "Desktop");
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documents = GetXDGFolderDefault("XDG_DOCUMENTS_DIR", "Documents");
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downloads = GetXDGFolderDefault("XDG_DOWNLOAD_DIR", "Downloads");
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pictures = GetXDGFolderDefault("XDG_PICTURES_DIR", "Pictures");
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publicDir = GetXDGFolderDefault("XDG_PUBLICSHARE_DIR", "Public");
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music = GetXDGFolderDefault("XDG_MUSIC_DIR", "Music");
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#ifdef __APPLE__
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video = GetXDGFolderDefault("XDG_VIDEOS_DIR", "Movies");
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#else
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video = GetXDGFolderDefault("XDG_VIDEOS_DIR", "Videos");
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#endif
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savedGames = documents / "Saved Games";
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#endif
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}
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PlatformFolders& PlatformFolders::GetInstance()
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{
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static PlatformFolders instance;
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return instance;
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}
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}
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