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#include "linuxpath.hpp"
#if defined(__linux__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__)
#include <cstring>
#include <fstream>
#include <pwd.h>
#include <unistd.h>
#include <components/misc/strings/lower.hpp>
namespace
{
std::filesystem::path getUserHome()
{
const char* dir = getenv("HOME");
if (dir == nullptr)
{
struct passwd* pwd = getpwuid(getuid());
if (pwd != nullptr)
{
dir = pwd->pw_dir;
}
}
if (dir == nullptr)
return {};
else
return dir;
}
std::filesystem::path getEnv(const std::string& envVariable, const std::filesystem::path& fallback)
{
const char* result = getenv(envVariable.c_str());
if (!result)
return fallback;
std::filesystem::path dir(result);
if (dir.empty())
return fallback;
else
return dir;
}
}
/**
* \namespace Files
*/
namespace Files
{
LinuxPath::LinuxPath(const std::string& applicationName)
: mName(applicationName)
{
}
std::filesystem::path LinuxPath::getUserConfigPath() const
{
return getEnv("XDG_CONFIG_HOME", getUserHome() / ".config") / mName;
}
std::filesystem::path LinuxPath::getUserDataPath() const
{
return getEnv("XDG_DATA_HOME", getUserHome() / ".local/share") / mName;
}
std::filesystem::path LinuxPath::getCachePath() const
{
return getEnv("XDG_CACHE_HOME", getUserHome() / ".cache") / mName;
}
std::filesystem::path LinuxPath::getGlobalConfigPath() const
{
std::filesystem::path globalPath(GLOBAL_CONFIG_PATH);
return globalPath / mName;
}
std::filesystem::path LinuxPath::getLocalPath() const
{
auto localPath = std::filesystem::current_path() / "";
static const std::filesystem::path statusPaths[]
= { "/proc/self/exe", "/proc/self/file", "/proc/curproc/exe", "/proc/curproc/file" };
for (const auto& path : statusPaths)
{
std::error_code ec;
const auto binPath = read_symlink(path, ec);
if (ec.value() != -1)
{
localPath = binPath.parent_path() / "";
break;
}
}
return localPath;
}
std::filesystem::path LinuxPath::getGlobalDataPath() const
{
std::filesystem::path globalDataPath(GLOBAL_DATA_PATH);
return globalDataPath / mName;
}
std::filesystem::path LinuxPath::getInstallPath() const
{
std::filesystem::path installPath;
std::filesystem::path homePath = getUserHome();
if (!homePath.empty())
{
std::filesystem::path wineDefaultRegistry(homePath);
wineDefaultRegistry /= ".wine/system.reg";
if (std::filesystem::is_regular_file(wineDefaultRegistry))
{
std::ifstream file(wineDefaultRegistry);
bool isRegEntry = false;
std::string line;
std::string mwpath;
while (std::getline(file, line))
{
if (line[0] == '[') // we found an entry
{
if (isRegEntry)
{
break;
}
isRegEntry = (line.find("Softworks\\\\Morrowind]") != std::string::npos);
}
else if (isRegEntry)
{
if (line[0] == '"') // empty line means new registry key
{
std::string key = line.substr(1, line.find('"', 1) - 1);
if (strcasecmp(key.c_str(), "Installed Path") == 0)
{
std::string::size_type valuePos = line.find('=') + 2;
mwpath = line.substr(valuePos, line.rfind('"') - valuePos);
std::string::size_type pos = mwpath.find("\\");
while (pos != std::string::npos)
{
mwpath.replace(pos, 2, "/");
pos = mwpath.find("\\", pos + 1);
}
break;
}
}
}
}
if (!mwpath.empty())
{
// Change drive letter to lowercase, so we could use
// ~/.wine/dosdevices symlinks
mwpath[0] = Misc::StringUtils::toLower(mwpath[0]);
installPath /= homePath;
installPath /= ".wine/dosdevices/";
installPath /= mwpath;
if (!std::filesystem::is_directory(installPath))
{
installPath.clear();
}
}
}
}
return installPath;
}
} /* namespace Files */
#endif /* defined(__linux__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__) */
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