152 lines
3.9 KiB
C++
152 lines
3.9 KiB
C++
/*
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Copyright (C) 2003, 2010 - Wolfire Games
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Copyright (C) 2010-2017 - Lugaru contributors (see AUTHORS file)
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This file is part of Lugaru.
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Lugaru 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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Lugaru 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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You should have received a copy of the GNU General Public License
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along with Lugaru. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "Folders.hpp"
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#include <cerrno>
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#include <cstdlib>
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#include <cstring>
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#include <unistd.h>
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#if PLATFORM_UNIX
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#include <pwd.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#endif
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#if _WIN32
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#include <shlobj.h> // to get paths related functions
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#include <windows.h>
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#endif
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const std::string Folders::dataDir = DATA_DIR;
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std::string Folders::getScreenshotDir()
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{
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std::string screenshotDir = getUserDataPath() + "/Screenshots";
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makeDirectory(screenshotDir);
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return screenshotDir;
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}
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std::string Folders::getUserDataPath()
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{
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std::string userDataPath;
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#ifdef _WIN32
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char path[MAX_PATH];
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// %APPDATA% (%USERPROFILE%\Application Data)
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if (SUCCEEDED(SHGetFolderPathA(nullptr, CSIDL_APPDATA, nullptr, 0, path))) {
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userDataPath = std::string(path) + "/Lugaru/";
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} else {
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return dataDir;
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}
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#elif (defined(__APPLE__) && defined(__MACH__))
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const char* homePath = getHomeDirectory();
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if (homePath == NULL) {
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userDataPath = ".";
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} else {
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userDataPath = std::string(homePath) + "/Library/Application Support/Lugaru";
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}
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#else // Linux
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userDataPath = getGenericDirectory("XDG_DATA_HOME", ".local/share");
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#endif
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makeDirectory(userDataPath);
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return userDataPath;
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}
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std::string Folders::getConfigFilePath()
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{
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std::string configFolder;
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#if defined(_WIN32) || (defined(__APPLE__) && defined(__MACH__))
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configFolder = getUserDataPath();
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#else // Linux
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configFolder = getGenericDirectory("XDG_CONFIG_HOME", ".config");
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makeDirectory(configFolder);
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#endif
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return configFolder + "/config.txt";
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}
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#if PLATFORM_LINUX
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/* Generic code for XDG ENVVAR test and fallback */
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std::string Folders::getGenericDirectory(const char* ENVVAR, const std::string& fallback)
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{
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const char* path = getenv(ENVVAR);
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std::string ret;
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if ((path != NULL) && (strlen(path) != 0)) {
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ret = std::string(path) + "/lugaru";
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} else {
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const char* homedir = getHomeDirectory();
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if ((homedir != NULL) && (strlen(homedir) != 0)) {
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ret = std::string(homedir) + '/' + fallback + "/lugaru";
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} else {
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ret = ".";
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}
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}
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return ret;
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}
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#endif
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#if PLATFORM_UNIX
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const char* Folders::getHomeDirectory()
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{
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const char* homedir = getenv("HOME");
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if (homedir != NULL) {
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return homedir;
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}
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struct passwd* pw = getpwuid(getuid());
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if (pw != NULL) {
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return pw->pw_dir;
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}
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return NULL;
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}
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#endif
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bool Folders::makeDirectory(const std::string& path)
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{
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#ifdef _WIN32
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int status = CreateDirectory(path.c_str(), NULL);
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return ((status != 0) || (GetLastError() == ERROR_ALREADY_EXISTS));
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#else
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errno = 0;
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int status = mkdir(path.c_str(), S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
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return ((status == 0) || (errno == EEXIST));
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#endif
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}
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FILE* Folders::openMandatoryFile(const std::string& filename, const char* mode)
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{
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FILE* tfile = fopen(filename.c_str(), mode);
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if (tfile == NULL) {
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throw FileNotFoundException(filename);
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}
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return tfile;
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}
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bool Folders::file_exists(const std::string& filepath)
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{
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FILE* file;
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file = fopen(filepath.c_str(), "rb");
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if (file == NULL) {
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return false;
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} else {
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fclose(file);
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return true;
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}
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}
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