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#include "linuxpath.hpp"
#if defined(__linux__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__)
#include <pwd.h>
#include <unistd.h>
#include <boost/filesystem/fstream.hpp>
#include <components/debug/debuglog.hpp>
#include <components/misc/stringops.hpp>
namespace
{
boost::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 boost::filesystem::path();
else
return boost::filesystem::path(dir);
}
boost::filesystem::path getEnv(const std::string& envVariable, const boost::filesystem::path& fallback)
{
const char* result = getenv(envVariable.c_str());
if (!result)
return fallback;
boost::filesystem::path dir(result);
if (dir.empty())
return fallback;
else
return dir;
}
}
/**
* \namespace Files
*/
namespace Files
{
LinuxPath::LinuxPath(const std::string& application_name)
: mName(application_name)
{
boost::filesystem::path localPath = getLocalPath();
if (chdir(localPath.string().c_str()) != 0)
Log(Debug::Warning) << "Error " << errno << " when changing current directory";
}
boost::filesystem::path LinuxPath::getUserConfigPath() const
{
return getEnv("XDG_CONFIG_HOME", getUserHome() / ".config") / mName;
}
boost::filesystem::path LinuxPath::getUserDataPath() const
{
return getEnv("XDG_DATA_HOME", getUserHome() / ".local/share") / mName;
}
boost::filesystem::path LinuxPath::getCachePath() const
{
return getEnv("XDG_CACHE_HOME", getUserHome() / ".cache") / mName;
}
boost::filesystem::path LinuxPath::getGlobalConfigPath() const
{
boost::filesystem::path globalPath(GLOBAL_CONFIG_PATH);
return globalPath / mName;
}
boost::filesystem::path LinuxPath::getLocalPath() const
{
boost::filesystem::path localPath("./");
std::string binPath(pathconf(".", _PC_PATH_MAX), '\0');
const char *statusPaths[] = {"/proc/self/exe", "/proc/self/file", "/proc/curproc/exe", "/proc/curproc/file"};
for(const char *path : statusPaths)
{
if (readlink(path, &binPath[0], binPath.size()) != -1)
{
localPath = boost::filesystem::path(binPath).parent_path() / "/";
break;
}
}
return localPath;
}
boost::filesystem::path LinuxPath::getGlobalDataPath() const
{
boost::filesystem::path globalDataPath(GLOBAL_DATA_PATH);
return globalDataPath / mName;
}
boost::filesystem::path LinuxPath::getInstallPath() const
{
boost::filesystem::path installPath;
boost::filesystem::path homePath = getUserHome();
if (!homePath.empty())
{
boost::filesystem::path wineDefaultRegistry(homePath);
wineDefaultRegistry /= ".wine/system.reg";
if (boost::filesystem::is_regular_file(wineDefaultRegistry))
{
boost::filesystem::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 (!boost::filesystem::is_directory(installPath))
{
installPath.clear();
}
}
}
}
return installPath;
}
} /* namespace Files */
#endif /* defined(__linux__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__) */
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