自学教程：C++ GetLocalPath函数代码示例

bool DirectoryFileSystem::RemoveFile(const std::string &filename) {	std::string fullName = GetLocalPath(filename);#ifdef _WIN32	bool retValue = (::DeleteFileA(fullName.c_str()) == TRUE);#else	bool retValue = (0 == unlink(fullName.c_str()));#endif#if HOST_IS_CASE_SENSITIVE	if (! retValue)	{		// May have failed due to case sensitivity, so try again		fullName = filename;		if ( ! FixPathCase(basePath,fullName, FPC_FILE_MUST_EXIST) )			return false;  // or go on and attempt (for a better error code than just false?)		fullName = GetLocalPath(fullName);#ifdef _WIN32		retValue = (::DeleteFileA(fullName.c_str()) == TRUE);#else		retValue = (0 == unlink(fullName.c_str()));#endif	}#endif	return retValue;}

PSPFileInfo DirectoryFileSystem::GetFileInfo(std::string filename) {	PSPFileInfo x;	x.name = filename;	std::string fullName = GetLocalPath(filename);	if (! File::Exists(fullName)) {#if HOST_IS_CASE_SENSITIVE		if (! FixPathCase(basePath,filename, FPC_FILE_MUST_EXIST))			return x;		fullName = GetLocalPath(filename);		if (! File::Exists(fullName))			return x;#else		return x;#endif	}	x.type = File::IsDirectory(fullName) ? FILETYPE_DIRECTORY : FILETYPE_NORMAL;	x.exists = true;	if (x.type != FILETYPE_DIRECTORY)	{		struct stat s;		stat(fullName.c_str(), &s);		x.size = File::GetSize(fullName);		x.access = s.st_mode & 0x1FF;		localtime_r((time_t*)&s.st_atime,&x.atime);		localtime_r((time_t*)&s.st_ctime,&x.ctime);		localtime_r((time_t*)&s.st_mtime,&x.mtime);	}	return x;}

int DirectoryFileSystem::RenameFile(const std::string &from, const std::string &to) {	std::string fullTo = to;	// Rename ignores the path (even if specified) on to.	size_t chop_at = to.find_last_of('/');	if (chop_at != to.npos)		fullTo = to.substr(chop_at + 1);	// Now put it in the same directory as from.	size_t dirname_end = from.find_last_of('/');	if (dirname_end != from.npos)		fullTo = from.substr(0, dirname_end + 1) + fullTo;	// At this point, we should check if the paths match and give an already exists error.	if (from == fullTo)		return SCE_KERNEL_ERROR_ERRNO_FILE_ALREADY_EXISTS;	std::string fullFrom = GetLocalPath(from);#if HOST_IS_CASE_SENSITIVE	// In case TO should overwrite a file with different case	if ( ! FixPathCase(basePath,fullTo, FPC_PATH_MUST_EXIST) )		return -1;  // or go on and attempt (for a better error code than just false?)#endif	fullTo = GetLocalPath(fullTo);	const char * fullToC = fullTo.c_str();#ifdef _WIN32_NO_MINGW	bool retValue = (MoveFile(ConvertUTF8ToWString(fullFrom).c_str(), ConvertUTF8ToWString(fullToC).c_str()) == TRUE);#else	bool retValue = (0 == rename(fullFrom.c_str(), fullToC));#endif#if HOST_IS_CASE_SENSITIVE	if (! retValue)	{		// May have failed due to case sensitivity on FROM, so try again		fullFrom = from;		if ( ! FixPathCase(basePath,fullFrom, FPC_FILE_MUST_EXIST) )			return -1;  // or go on and attempt (for a better error code than just false?)		fullFrom = GetLocalPath(fullFrom);#ifdef _WIN32_NO_MINGW		retValue = (MoveFile(fullFrom.c_str(), fullToC) == TRUE);#else		retValue = (0 == rename(fullFrom.c_str(), fullToC));#endif	}#endif	// TODO: Better error codes.	return retValue ? 0 : (int)SCE_KERNEL_ERROR_ERRNO_FILE_ALREADY_EXISTS;}

bool DirectoryFileSystem::MkDir(const std::string &dirname) {#if HOST_IS_CASE_SENSITIVE	// Must fix case BEFORE attempting, because MkDir would create	// duplicate (different case) directories	std::string fixedCase = dirname;	if ( ! FixPathCase(basePath,fixedCase, FPC_PARTIAL_ALLOWED) )		return false;	return File::CreateFullPath(GetLocalPath(fixedCase));#else	return File::CreateFullPath(GetLocalPath(dirname));#endif}

NS_IMETHODIMP nsPop3IncomingServer::MarkMessages(){  nsresult rv;  if (m_runningProtocol)    rv = m_runningProtocol->MarkMessages(&m_uidlsToMark);  else  {    nsCString hostName;    nsCString userName;    nsCOMPtr<nsIFile> localPath;    GetLocalPath(getter_AddRefs(localPath));    GetHostName(hostName);    GetUsername(userName);    // do it all in one fell swoop    rv = nsPop3Protocol::MarkMsgForHost(hostName.get(), userName.get(), localPath, m_uidlsToMark);  }  uint32_t count = m_uidlsToMark.Length();  for (uint32_t i = 0; i < count; i++)  {    Pop3UidlEntry *ue = m_uidlsToMark[i];    PR_Free(ue->uidl);    PR_Free(ue);  }  m_uidlsToMark.Clear();  return rv;}

	void SyncManager::handleDirectoriesToSyncUpdated (const QList<SyncerInfo>& infos)	{		QStringList paths;		for (const auto& info : infos)		{			paths << info.LocalDirectory_;			auto acc = AM_->GetAccountFromUniqueID (info.AccountId_);			if (AccountID2Syncer_.contains (info.AccountId_))			{				auto syncer = AccountID2Syncer_ [info.AccountId_];				if (syncer->GetLocalPath () == info.LocalDirectory_ &&						syncer->GetRemotePath () == info.RemoteDirectory_)					continue;				else				{					//TODO update syncer// 					syncer->stop ();// 					AccountID2Syncer_.take (info.AccountId_)->deleteLater ();				}			}			else			{				auto syncer = CreateSyncer (acc, info.LocalDirectory_, info.RemoteDirectory_);				AccountID2Syncer_ [info.AccountId_] = syncer;// 				syncer->start ();			}		}		FilesWatcher_->updatePaths (paths);	}

u32 VFSFileSystem::OpenFile(std::string filename, FileAccess access, const char *devicename) {	if (access != FILEACCESS_READ) {		ERROR_LOG(FILESYS, "VFSFileSystem only supports plain reading");		return 0;	}	std::string fullName = GetLocalPath(filename);	const char *fullNameC = fullName.c_str();	DEBUG_LOG(FILESYS,"VFSFileSystem actually opening %s (%s)", fullNameC, filename.c_str());	size_t size;	u8 *data = VFSReadFile(fullNameC, &size);	if (!data) {		ERROR_LOG(FILESYS, "VFSFileSystem failed to open %s", filename.c_str());		return 0;	}	OpenFileEntry entry;	entry.fileData = data;	entry.size = size;	entry.seekPos = 0;	u32 newHandle = hAlloc->GetNewHandle();	entries[newHandle] = entry;	return newHandle;}

bool DirectoryFileSystem::MkDir(const std::string &dirname){	std::string fullName = GetLocalPath(dirname);	return File::CreateFullPath(fullName);}

	ERMsg CDirectoryManagerBase::Import(const std::string& filePath, const std::string& fileExt)const	{		ASSERT(!filePath.empty());		ASSERT(m_bHaveLocalPath);		ASSERT(!m_localPath.empty());		ERMsg msg;		if (!GetLocalPath().empty())		{			ASSERT(false);			//std::string newName = GetLocalPath() + UtilWin::GetFileTitle( filePath ) + fileExt;			//if( !DirExist(GetLocalPath()) )			//{			//	if( !CreateMultipleDir( GetLocalPath() ) )			//	{			//		msg.asgType(ERMsg::ERREUR);			//		return msg;			//	}			//}			//if( !::CopyFile( filePath, newName, true) )			//      {			//	msg = SYGetMessage( GetLastError() );			//          std::string erreur;			//          erreur.FormatMsg(IDS_CMN_FILENOTIMPORT, (LPCTSTR)filePath, (LPCTSTR)GetLocalPath() );			//          msg.ajoute(erreur);			//      }		}		return msg;	}

status_tServerRepositoryDataUpdateProcess::ProcessLocalData(){	DepotMatchingRepositoryListener* itemListener =		new DepotMatchingRepositoryListener(fModel, this);	ObjectDeleter<DepotMatchingRepositoryListener>		itemListenerDeleter(itemListener);	BulkContainerDumpExportRepositoryJsonListener* listener =		new BulkContainerDumpExportRepositoryJsonListener(itemListener);	ObjectDeleter<BulkContainerDumpExportRepositoryJsonListener>		listenerDeleter(listener);	BPath localPath;	status_t result = GetLocalPath(localPath);	if (result != B_OK)		return result;	result = ParseJsonFromFileWithListener(listener, localPath);	if (result != B_OK)		return result;	return listener->ErrorStatus();}

bool DirectoryFileSystem::RmDir(const std::string &dirname){	std::string fullName = GetLocalPath(dirname);#ifdef _WIN32	return RemoveDirectory(fullName.c_str()) == TRUE;#else  return 0 == rmdir(fullName.c_str());#endif}

//=============================================================================// 函数名称:	设置当前工作目录// 作者说明:	mushuai// 修改时间:	2010-03-08//=============================================================================BOOL SetLocalCurrentDir(){	CString path=GetLocalPath();	path+='//';	DWORD dwret=SetCurrentDirectory(path.GetBuffer(0));	if (dwret==0)		return FALSE;	return TRUE;}

PSPFileInfo DirectoryFileSystem::GetFileInfo(std::string filename) {	PSPFileInfo x;	x.name = filename;	std::string fullName = GetLocalPath(filename);	if (!File::Exists(fullName)) {#if HOST_IS_CASE_SENSITIVE		if (! FixPathCase(basePath,filename, FPC_FILE_MUST_EXIST))			return x;		fullName = GetLocalPath(filename);		if (! File::Exists(fullName))			return x;#else		return x;#endif	}	x.type = File::IsDirectory(fullName) ? FILETYPE_DIRECTORY : FILETYPE_NORMAL;	x.exists = true;	if (x.type != FILETYPE_DIRECTORY) {		File::FileDetails details;		if (!File::GetFileDetails(fullName, &details)) {			ERROR_LOG(FILESYS, "DirectoryFileSystem::GetFileInfo: GetFileDetails failed: %s", fullName.c_str());			x.size = 0;			x.access = 0;			memset(&x.atime, 0, sizeof(x.atime));			memset(&x.ctime, 0, sizeof(x.ctime));			memset(&x.mtime, 0, sizeof(x.mtime));		} else {			x.size = details.size;			x.access = details.access;			time_t atime = details.atime;			time_t ctime = details.ctime;			time_t mtime = details.mtime;			localtime_r((time_t*)&atime, &x.atime);			localtime_r((time_t*)&ctime, &x.ctime);			localtime_r((time_t*)&mtime, &x.mtime);		}	}	return x;}

int VirtualDiscFileSystem::getFileListIndex(std::string &fileName){	std::string normalized;	if (fileName.length() >= 1 && fileName[0] == '/') {		normalized = fileName.substr(1);	} else {		normalized = fileName;	}	for (size_t i = 0; i < fileList.size(); i++)	{		if (fileList[i].fileName == normalized)			return (int)i;	}	// unknown file - add it	std::string fullName = GetLocalPath(fileName);	if (! File::Exists(fullName)) {#if HOST_IS_CASE_SENSITIVE		if (! FixPathCase(basePath,fileName, FPC_FILE_MUST_EXIST))			return -1;		fullName = GetLocalPath(fileName);		if (! File::Exists(fullName))			return -1;#else		return -1;#endif	}	FileType type = File::IsDirectory(fullName) ? FILETYPE_DIRECTORY : FILETYPE_NORMAL;	if (type == FILETYPE_DIRECTORY)		return -1;	FileListEntry entry = {""};	entry.fileName = normalized;	entry.totalSize = File::GetFileSize(fullName);	entry.firstBlock = currentBlockIndex;	currentBlockIndex += (entry.totalSize+2047)/2048;	fileList.push_back(entry);	return (int)fileList.size()-1;}

/*----------------------------------------------------------------------  Save an opened document to a specified path in order to open.  The parameter doc is the original doc to be saved  The parameter newdoc is the new document  The parameter newpath is the newdoc URI  Return the saved localFile (to be freed) or NULL  ----------------------------------------------------------------------*/char *SaveDocumentToNewDoc(Document doc, Document newdoc, char* newpath){  ElementType   elType;  Element       root;  char         *localFile = NULL, *s;  ThotBool      res = FALSE;  localFile = GetLocalPath (newdoc, newpath);  // apply link changes to the template    TtaOpenUndoSequence (doc, NULL, NULL, 0, 0);  SetRelativeURLs (doc, newpath, NULL, FALSE, FALSE, FALSE, FALSE);  // prepare the new document view  TtaExtractName (newpath, DirectoryName, DocumentName);  root = TtaGetRootElement(doc);  elType = TtaGetElementType (root);  // get the target document type  s = TtaGetSSchemaName (elType.ElSSchema);  if (!IsNotHTMLorHTML5 (s))    {	  if (TtaGetDocumentProfile(doc) == L_HTML5 || TtaGetDocumentProfile(doc) == L_HTML5_LEGACY)		 res = TtaExportDocumentWithNewLineNumbers (doc, localFile, "HTML5TX", FALSE);	  else	  {		  /* docType = docHTML; */		  if (TtaGetDocumentProfile(doc) == L_Xhtml11 ||			  TtaGetDocumentProfile(doc) == L_Basic)			res = TtaExportDocumentWithNewLineNumbers (doc, localFile, "HTMLT11", FALSE);		  else			res = TtaExportDocumentWithNewLineNumbers (doc, localFile, "HTMLTX", FALSE);	  }    }  else if (strcmp (s, "SVG") == 0)    /* docType = docSVG; */    res = TtaExportDocumentWithNewLineNumbers (doc, localFile, "SVGT", FALSE);  else if (strcmp (s, "MathML") == 0)    /* docType = docMath; */    res = TtaExportDocumentWithNewLineNumbers (doc, localFile, "MathMLT", FALSE);  else    /* docType = docXml; */    res = TtaExportDocumentWithNewLineNumbers (doc, localFile, NULL, FALSE);  // restore the previous state of the template  TtaCloseUndoSequence (doc);  TtaUndoNoRedo (doc);  if (res)    return localFile;  else    {      TtaFreeMemory (localFile);      return NULL;    }}

int CUpdator::Log(LPCTSTR msg){	static SampleTxtLogger slog;	if (!slog.m_state)	{		CString spath = GetLocalPath()+_T("//log.txt");		slog.Initialize(spath);	}	slog.Log(0,_T("%s"),msg);	return 0;}

bool DirectoryFileSystem::RenameFile(const std::string &from, const std::string &to) {	std::string fullTo = to;	// Rename only work for filename in current directory	std::string fullFrom = GetLocalPath(from);#if HOST_IS_CASE_SENSITIVE	// In case TO should overwrite a file with different case	if ( ! FixPathCase(fullTo, FPC_PATH_MUST_EXIST) )		return false;  // or go on and attempt (for a better error code than just false?)#endif	fullTo = GetLocalPath(fullTo);	const char * fullToC = fullTo.c_str();#ifdef _WIN32	bool retValue = (MoveFile(fullFrom.c_str(), fullToC) == TRUE);#else	bool retValue = (0 == rename(fullFrom.c_str(), fullToC));#endif#if HOST_IS_CASE_SENSITIVE	if (! retValue)	{		// May have failed due to case sensitivity on FROM, so try again		fullFrom = from;		if ( ! FixPathCase(fullFrom, FPC_FILE_MUST_EXIST) )			return false;  // or go on and attempt (for a better error code than just false?)		fullFrom = GetLocalPath(fullFrom);#ifdef _WIN32		retValue = (MoveFile(fullFrom.c_str(), fullToC) == TRUE);#else		retValue = (0 == rename(fullFrom.c_str(), fullToC));#endif	}#endif	return retValue;}

	//this default implementation import all file in the same directory	//that have the same file title	ERMsg CDirectoryManager::Import(const std::string& filePath)const	{		ERMsg msg;		if (!GetLocalPath().empty())		{			if (!DirectoryExists(GetLocalPath()))			{				msg = CreateMultipleDir(GetLocalPath());			}			if (msg)			{				std::string newFilePath = GetLocalPath() + GetFileName(filePath);				msg = CopyFile(filePath, newFilePath);				/*std::string strSrh = filePath;				UtilWin::SetFileExtension(strSrh, ".*");				StringVector filePathList;				UtilWin::GetFilesList(filePathList, strSrh, true);				for(int i=0; i<filePathListsize(); i++)				{				std::string newFilePath = GetLocalPath() + UtilWin::GetFileName( filePathList[i] );				if( !::CopyFile( filePathList[i], newFilePath, true) )				{				msg = SYGetMessage( GetLastError() );				std::string erreur;				erreur.FormatMsg(IDS_CMN_FILENOTIMPORT, (LPCTSTR)filePath, (LPCTSTR)GetLocalPath() );				msg.ajoute(erreur);				}				}*/			}		}		return msg;	}

void CFolderItem::SaveItem(pugi::xml_node& element) const{    auto file = element.append_child("Folder");    if (Download()) {        AddTextElement(file, "LocalFile", GetLocalPath().GetPath() + GetLocalFile());    }    else {        AddTextElement(file, "RemoteFile", GetRemoteFile());        AddTextElement(file, "RemotePath", m_remotePath.GetSafePath());    }    AddTextElementUtf8(file, "Download", Download() ? "1" : "0");}

void CFolderItem::SaveItem(TiXmlElement* pElement) const{	TiXmlElement *file = new TiXmlElement("Folder");	if (Download())		AddTextElement(file, "LocalFile", GetLocalPath().GetPath() + GetLocalFile());	else	{		AddTextElement(file, "RemoteFile", GetRemoteFile());		AddTextElement(file, "RemotePath", m_remotePath.GetSafePath());	}	AddTextElementRaw(file, "Download", Download() ? "1" : "0");	pElement->LinkEndChild(file);}

void CUpdator::UpdateRestart(){	if(m_updatee)	{		//waiting updatee quit		CString msg;		msg.Format(_T("wait updatee quit:%d"),m_updatee);		LOG((LPCTSTR)msg);		if(::WaitForSingleObject(m_updatee,INFINITE) != WAIT_OBJECT_0)		{			//msg.Format(_T("wait updatee error"));			//MessageBox(0,(LPCTSTR)msg,0,MB_OK);		}		CloseHandle(m_updatee);		m_updatee =0;		//re update		Sleep(20);		int  r = PreUpdate();	}	LOG(_T("re start updatee"));	for (int i=0;i<m_services.size();i++)	{		CString service = GetLocalPath()+m_services[i].c_str();		Execute(service,"/service");	}	Sleep(200);	if(m_updatee_path.length())	{		Execute(GetLocalPath()+m_updatee_path.c_str(),"/service");		Sleep(200);		Execute(GetLocalPath()+m_updatee_path.c_str());	}	}

u64 DirectoryFileSystem::FreeSpace(const std::string &path) {#ifdef _WIN32	const std::wstring w32path = ConvertUTF8ToWString(GetLocalPath(path));	ULARGE_INTEGER free;	if (GetDiskFreeSpaceExW(w32path.c_str(), &free, nullptr, nullptr))		return free.QuadPart;#elif defined(__SYMBIAN32__)	QSystemStorageInfo storageInfo;	return (u64)storageInfo.availableDiskSpace("E");#else	std::string localPath = GetLocalPath(path);	struct statvfs diskstat;	int res = statvfs(localPath.c_str(), &diskstat);#if HOST_IS_CASE_SENSITIVE	std::string fixedCase = path;	if (res != 0 && FixPathCase(basePath, fixedCase, FPC_FILE_MUST_EXIST)) {		// May have failed due to case sensitivity, try again.		localPath = GetLocalPath(fixedCase);		res = statvfs(localPath.c_str(), &diskstat);	}#endif	if (res == 0) {#ifndef ANDROID		if (diskstat.f_flag & ST_RDONLY) {			return 0;		}#endif		return (u64)diskstat.f_bavail * (u64)diskstat.f_frsize;	}#endif	// Just assume they're swimming in free disk space if we don't know otherwise.	return std::numeric_limits<u64>::max();}