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find InstalledPath in wine registry; mInstalledPath in Files::Path

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This commit is contained in:
Sebastian Wick 2012-01-17 19:18:17 +01:00
parent b4174b6419
commit 16c214a17a
3 changed files with 100 additions and 0 deletions
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70
components/files/linuxpath.cpp
View file

@ -154,6 +154,76 @@ boost::filesystem::path LinuxPath::getRuntimeDataPath() const
return boost::filesystem::path("./data/");
}
boost::filesystem::path LinuxPath::getInstallPath() const
{
char *homePath = getenv("HOME");
if(!homePath)
{
return boost::filesystem::path("");
}
boost::filesystem::path wineDefaultRegistry(homePath);
wineDefaultRegistry /= ".wine/system.reg";
boost::filesystem::path wineDriveC(homePath);
wineDriveC /= ".wine/drive_c";
boost::filesystem::file_status fileStatus = boost::filesystem::status(wineDefaultRegistry);
boost::filesystem::file_status dirStatus = boost::filesystem::status(wineDriveC);
if(!boost::filesystem::is_regular_file(fileStatus) || !boost::filesystem::is_directory(dirStatus))
{
return boost::filesystem::path("");
}
boost::filesystem::ifstream file(wineDefaultRegistry);
bool isRegEntry = false;
std::string line;
int startPos, pos;
while (std::getline(file, line))
{
if(line.length() > 0 && line[0] == '[') // we found an entry
{
std::string regkey = line.substr(1, line.find(']')-1);
if( regkey.compare("SOFTWARE\\\\Wow6432Node\\\\Bethesda Softworks\\\\Morrowind") == 0
|| regkey.compare("SOFTWARE\\\\Bethesda Softworks\\\\Morrowind") == 0 )
{
isRegEntry = true;
}
}
else if(isRegEntry)
{
if(line.length() == 0 || line[0] != '"') // empty line means new registry key
{
break;
}
std::string key = line.substr(1, line.find('"', 1)-1);
if(key.compare("Installed Path") == 0) {
startPos = line.find('=')+2;
std::string installPath = line.substr(startPos, line.find('"', startPos+1)-startPos);
installPath.replace(0, 2, wineDriveC.string());
pos = -1;
do
{
pos = static_cast<int>(installPath.find("\\\\", pos+1));
if(static_cast<size_t>(pos) == std::string::npos)
{
break;
}
installPath.replace(pos, 2, "/");
} while(true);
return boost::filesystem::path(installPath);
}
}
}
return boost::filesystem::path("");
}
} /* namespace Files */

8
components/files/linuxpath.hpp
View file

@ -26,6 +26,7 @@
#if defined(__linux__)
#include <boost/filesystem.hpp>
#include <boost/filesystem/fstream.hpp>
/**
* \namespace Files
@ -81,6 +82,13 @@ struct LinuxPath
* \return boost::filesystem::path
*/
boost::filesystem::path getRuntimeDataPath() const;
/**
* \brief Gets the path of the installed Morrowind version if there is one.
*
* \return boost::filesystem::path
*/
boost::filesystem::path getInstallPath() const;
};
} /* namespace Files */

22
components/files/path.hpp
View file

@ -76,6 +76,7 @@ struct Path
, mLocalDataPath(mPath.getLocalDataPath())
, mGlobalDataPath(mPath.getGlobalDataPath())
, mRuntimeDataPath(mPath.getRuntimeDataPath())
, mInstalledPath(mPath.getInstallPath())
{
if (!application_name.empty())
{
@ -209,6 +210,26 @@ struct Path
mRuntimeDataPath = path;
}
/**
* \brief Return path pointing to the directory where application was started.
*
* \return boost::filesystem::path
*/
const boost::filesystem::path& getInstalledPath() const
{
return mInstalledPath;
}
/**
* \brief Sets new runtime data directory.
*
* \param [in] path - New path
*/
void setInstalledPath(const boost::filesystem::path& path)
{
mInstalledPath = path;
}
private:
PathType mPath;
@ -223,6 +244,7 @@ struct Path
boost::filesystem::path mRuntimeDataPath; /**< Runtime path to the configuration files.
By default it is a 'data' directory in same
directory where application was run */
boost::filesystem::path mInstalledPath; /**< Runtime path to the configuration files. */
};