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