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			164 lines
		
	
	
	
		
			4.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			164 lines
		
	
	
	
		
			4.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
#include "linuxpath.hpp"
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#if defined(__linux__) || defined(__FreeBSD__)
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#include <cstdlib>
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#include <cstring>
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#include <pwd.h>
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#include <unistd.h>
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#include <boost/filesystem/fstream.hpp>
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/**
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 * \namespace Files
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 */
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namespace Files
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{
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LinuxPath::LinuxPath(const std::string& application_name)
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    : mName(application_name)
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{
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}
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boost::filesystem::path LinuxPath::getUserPath() const
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{
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    boost::filesystem::path userPath(".");
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    const char* theDir = getenv("HOME");
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    if (theDir == NULL)
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    {
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        struct passwd* pwd = getpwuid(getuid());
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        if (pwd != NULL)
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        {
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            theDir = pwd->pw_dir;
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        }
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    }
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    if (theDir != NULL)
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    {
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        userPath = boost::filesystem::path(theDir);
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    }
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    return userPath / ".config" / mName;
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}
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boost::filesystem::path LinuxPath::getCachePath() const
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{
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    boost::filesystem::path userPath(".");
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    const char* theDir = getenv("HOME");
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    if (theDir == NULL)
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    {
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        struct passwd* pwd = getpwuid(getuid());
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        if (pwd != NULL)
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        {
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            theDir = pwd->pw_dir;
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        }
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    }
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    if (theDir != NULL)
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    {
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        userPath = boost::filesystem::path(theDir);
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    }
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    return userPath / ".cache" / mName;
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}
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boost::filesystem::path LinuxPath::getGlobalPath() const
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{
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    boost::filesystem::path globalPath("/etc/");
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    return globalPath / mName;
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}
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boost::filesystem::path LinuxPath::getLocalPath() const
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{
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    return boost::filesystem::path("./");
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}
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boost::filesystem::path LinuxPath::getGlobalDataPath() const
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{
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    boost::filesystem::path globalDataPath("/usr/share/games/");
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    return globalDataPath / mName;
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}
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boost::filesystem::path LinuxPath::getInstallPath() const
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{
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    boost::filesystem::path installPath;
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    char *homePath = getenv("HOME");
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    if (homePath == NULL)
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    {
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        struct passwd* pwd = getpwuid(getuid());
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        if (pwd != NULL)
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        {
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            homePath = pwd->pw_dir;
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        }
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    }
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    if (homePath != NULL)
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    {
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        boost::filesystem::path wineDefaultRegistry(homePath);
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        wineDefaultRegistry /= ".wine/system.reg";
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        if (boost::filesystem::is_regular_file(wineDefaultRegistry))
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        {
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            boost::filesystem::ifstream file(wineDefaultRegistry);
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            bool isRegEntry = false;
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            std::string line;
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            std::string mwpath;
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            while (std::getline(file, line))
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            {
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                if (line[0] == '[') // we found an entry
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                {
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                    if (isRegEntry)
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                    {
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                        break;
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                    }
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                    isRegEntry = (line.find("Softworks\\\\Morrowind]") != std::string::npos);
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                }
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                else if (isRegEntry)
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                {
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                    if (line[0] == '"') // empty line means new registry key
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                    {
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                        std::string key = line.substr(1, line.find('"', 1) - 1);
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                        if (strcasecmp(key.c_str(), "Installed Path") == 0)
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                        {
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                            std::string::size_type valuePos = line.find('=') + 2;
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                            mwpath = line.substr(valuePos, line.rfind('"') - valuePos);
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                            std::string::size_type pos = mwpath.find("\\");
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                            while (pos != std::string::npos)
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                            {
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                               mwpath.replace(pos, 2, "/");
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                               pos = mwpath.find("\\", pos + 1);
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                            }
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                            break;
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                        }
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                    }
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                }
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            }
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            if (!mwpath.empty())
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            {
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                // Change drive letter to lowercase, so we could use
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                // ~/.wine/dosdevices symlinks
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                mwpath[0] = tolower(mwpath[0]);
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                installPath /= homePath;
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                installPath /= ".wine/dosdevices/";
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                installPath /= mwpath;
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                if (!boost::filesystem::is_directory(installPath))
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                {
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                    installPath.clear();
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                }
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            }
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        }
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    }
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    return installPath;
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}
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} /* namespace Files */
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#endif /* defined(__linux__) || defined(__FreeBSD__) */
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