C++ OsPath::Parent方法代码示例

Status CreateDirectories(const OsPath& path, mode_t mode, bool breakpoint)
{
	if(path.empty())
		return INFO::OK;

	struct stat s;
	if(wstat(path, &s) == 0)
	{
		if(!S_ISDIR(s.st_mode))	// encountered a file
			WARN_RETURN(ERR::FAIL);
		return INFO::OK;
	}

	// If we were passed a path ending with '/', strip the '/' now so that
	// we can consistently use Parent to find parent directory names
	if(path.IsDirectory())
		return CreateDirectories(path.Parent(), mode, breakpoint);

	RETURN_STATUS_IF_ERR(CreateDirectories(path.Parent(), mode));

	errno = 0;
	if(wmkdir(path, mode) != 0)
	{
		debug_printf("CreateDirectories: failed to mkdir %s (mode %d)\n", path.string8().c_str(), mode);
		if (breakpoint)
			WARN_RETURN(StatusFromErrno());
		else
			return StatusFromErrno();
	}

	return INFO::OK;
}

/*static*/ OsPath Paths::Root(const OsPath& argv0)
{
#if OS_ANDROID
	return OsPath("/sdcard/0ad"); // TODO: this is kind of bogus
#else

	// get full path to executable
	OsPath pathname = sys_ExecutablePathname();	// safe, but requires OS-specific implementation
	if(pathname.empty())	// failed, use argv[0] instead
	{
		errno = 0;
		pathname = wrealpath(argv0);
		if(pathname.empty())
			WARN_IF_ERR(StatusFromErrno());
	}

	// make sure it's valid
	if(!FileExists(pathname))
	{
		LOGERROR(L"Cannot find executable (expected at '%ls')", pathname.string().c_str());
		WARN_IF_ERR(StatusFromErrno());
	}

	for(size_t i = 0; i < 2; i++)	// remove "system/name.exe"
		pathname = pathname.Parent();
	return pathname;

#endif
}

void CSimulation2Impl::DumpState()
{
	PROFILE("DumpState");

	std::stringstream pid;
	pid << getpid();
	std::stringstream name;\
	name << std::setw(5) << std::setfill('0') << m_TurnNumber << ".txt";
	OsPath path = psLogDir() / "sim_log" / pid.str() / name.str();
	CreateDirectories(path.Parent(), 0700);
	std::ofstream file (OsString(path).c_str(), std::ofstream::out | std::ofstream::trunc);

	file << "State hash: " << std::hex;
	std::string hashRaw;
	m_ComponentManager.ComputeStateHash(hashRaw, false);
	for (size_t i = 0; i < hashRaw.size(); ++i)
		file << std::setfill('0') << std::setw(2) << (int)(unsigned char)hashRaw[i];
	file << std::dec << "\n";

	file << "\n";

	m_ComponentManager.DumpDebugState(file, true);

	std::ofstream binfile (OsString(path.ChangeExtension(L".dat")).c_str(), std::ofstream::out | std::ofstream::trunc | std::ofstream::binary);
	m_ComponentManager.SerializeState(binfile);
}

	virtual Status GetVirtualPath(const OsPath& realPathname, VfsPath& pathname)
	{
		ScopedLock s;
		const OsPath realPath = realPathname.Parent()/"";
		VfsPath path;
		RETURN_STATUS_IF_ERR(FindRealPathR(realPath, m_rootDirectory, L"", path));
		pathname = path / realPathname.Filename();
		return INFO::OK;
	}

CReplayLogger::CReplayLogger(ScriptInterface& scriptInterface) :
	m_ScriptInterface(scriptInterface)
{
	// Construct the directory name based on the PID, to be relatively unique.
	// Append "-1", "-2" etc if we run multiple matches in a single session,
	// to avoid accidentally overwriting earlier logs.

	std::wstringstream name;
	name << getpid();

	static int run = -1;
	if (++run)
		name << "-" << run;

	OsPath path = psLogDir() / L"sim_log" / name.str() / L"commands.txt";
	CreateDirectories(path.Parent(), 0700);
	m_Stream = new std::ofstream(OsString(path).c_str(), std::ofstream::out | std::ofstream::trunc);
}

/*static*/ OsPath Paths::Root(const OsPath& argv0)
{
	// get full path to executable
	OsPath pathname = sys_ExecutablePathname();	// safe, but requires OS-specific implementation
	if(pathname.empty())	// failed, use argv[0] instead
	{
		errno = 0;
		pathname = wrealpath(argv0);
		if(pathname.empty())
			WARN_IF_ERR(StatusFromErrno());
	}

	// make sure it's valid
	if(!FileExists(pathname))
		WARN_IF_ERR(StatusFromErrno());

	for(size_t i = 0; i < 2; i++)	// remove "system/name.exe"
		pathname = pathname.Parent();
	return pathname;
}