michael@0: // Windows/FileDir.cpp
michael@0: 
michael@0: #include "StdAfx.h"
michael@0: 
michael@0: #include "FileDir.h"
michael@0: #include "FileName.h"
michael@0: #include "FileFind.h"
michael@0: #include "Defs.h"
michael@0: #ifndef _UNICODE
michael@0: #include "../Common/StringConvert.h"
michael@0: #endif
michael@0: 
michael@0: #ifndef _UNICODE
michael@0: extern bool g_IsNT;
michael@0: #endif
michael@0: 
michael@0: namespace NWindows {
michael@0: namespace NFile {
michael@0: namespace NDirectory {
michael@0: 
michael@0: #ifndef _UNICODE
michael@0: static inline UINT GetCurrentCodePage() { return ::AreFileApisANSI() ? CP_ACP : CP_OEMCP; } 
michael@0: static UString GetUnicodePath(const CSysString &sysPath)
michael@0:   { return MultiByteToUnicodeString(sysPath, GetCurrentCodePage()); }
michael@0: static CSysString GetSysPath(LPCWSTR sysPath)
michael@0:   { return UnicodeStringToMultiByte(sysPath, GetCurrentCodePage()); }
michael@0: #endif
michael@0: 
michael@0: bool MyGetWindowsDirectory(CSysString &path)
michael@0: {
michael@0:   UINT needLength = ::GetWindowsDirectory(path.GetBuffer(MAX_PATH + 1), MAX_PATH + 1);
michael@0:   path.ReleaseBuffer();
michael@0:   return (needLength > 0 && needLength <= MAX_PATH);
michael@0: }
michael@0: 
michael@0: bool MyGetSystemDirectory(CSysString &path)
michael@0: {
michael@0:   UINT needLength = ::GetSystemDirectory(path.GetBuffer(MAX_PATH + 1), MAX_PATH + 1);
michael@0:   path.ReleaseBuffer();
michael@0:   return (needLength > 0 && needLength <= MAX_PATH);
michael@0: }
michael@0: 
michael@0: #ifndef _UNICODE
michael@0: bool MyGetWindowsDirectory(UString &path)
michael@0: {
michael@0:   if (g_IsNT)
michael@0:   {
michael@0:     UINT needLength = ::GetWindowsDirectoryW(path.GetBuffer(MAX_PATH + 1), MAX_PATH + 1);
michael@0:     path.ReleaseBuffer();
michael@0:     return (needLength > 0 && needLength <= MAX_PATH);
michael@0:   }
michael@0:   CSysString sysPath;
michael@0:   if (!MyGetWindowsDirectory(sysPath))
michael@0:     return false;
michael@0:   path = GetUnicodePath(sysPath);
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: bool MyGetSystemDirectory(UString &path)
michael@0: {
michael@0:   if (g_IsNT)
michael@0:   {
michael@0:     UINT needLength = ::GetSystemDirectoryW(path.GetBuffer(MAX_PATH + 1), MAX_PATH + 1);
michael@0:     path.ReleaseBuffer();
michael@0:     return (needLength > 0 && needLength <= MAX_PATH);
michael@0:   }
michael@0:   CSysString sysPath;
michael@0:   if (!MyGetSystemDirectory(sysPath))
michael@0:     return false;
michael@0:   path = GetUnicodePath(sysPath);
michael@0:   return true;
michael@0: }
michael@0: #endif
michael@0: 
michael@0: #ifndef _UNICODE
michael@0: bool MySetFileAttributes(LPCWSTR fileName, DWORD fileAttributes)
michael@0: {  
michael@0:   if (g_IsNT)
michael@0:     return BOOLToBool(::SetFileAttributesW(fileName, fileAttributes));
michael@0:   return MySetFileAttributes(GetSysPath(fileName), fileAttributes);
michael@0: }
michael@0: 
michael@0: bool MyRemoveDirectory(LPCWSTR pathName)
michael@0: {  
michael@0:   if (g_IsNT)
michael@0:     return BOOLToBool(::RemoveDirectoryW(pathName));
michael@0:   return MyRemoveDirectory(GetSysPath(pathName));
michael@0: }
michael@0: 
michael@0: bool MyMoveFile(LPCWSTR existFileName, LPCWSTR newFileName)
michael@0: {  
michael@0:   if (g_IsNT)
michael@0:     return BOOLToBool(::MoveFileW(existFileName, newFileName));
michael@0:   return MyMoveFile(GetSysPath(existFileName), GetSysPath(newFileName));
michael@0: }
michael@0: #endif
michael@0: 
michael@0: bool MyCreateDirectory(LPCTSTR pathName) { return BOOLToBool(::CreateDirectory(pathName, NULL)); }
michael@0: 
michael@0: #ifndef _UNICODE
michael@0: bool MyCreateDirectory(LPCWSTR pathName)
michael@0: {  
michael@0:   if (g_IsNT)
michael@0:     return BOOLToBool(::CreateDirectoryW(pathName, NULL));
michael@0:   return MyCreateDirectory(GetSysPath(pathName));
michael@0: }
michael@0: #endif
michael@0: 
michael@0: /*
michael@0: bool CreateComplexDirectory(LPCTSTR pathName)
michael@0: {
michael@0:   NName::CParsedPath path;
michael@0:   path.ParsePath(pathName);
michael@0:   CSysString fullPath = path.Prefix;
michael@0:   DWORD errorCode = ERROR_SUCCESS;
michael@0:   for(int i = 0; i < path.PathParts.Size(); i++)
michael@0:   {
michael@0:     const CSysString &string = path.PathParts[i];
michael@0:     if(string.IsEmpty())
michael@0:     {
michael@0:       if(i != path.PathParts.Size() - 1)
michael@0:         return false;
michael@0:       return true;
michael@0:     }
michael@0:     fullPath += path.PathParts[i];
michael@0:     if(!MyCreateDirectory(fullPath))
michael@0:     {
michael@0:       DWORD errorCode = GetLastError();
michael@0:       if(errorCode != ERROR_ALREADY_EXISTS)
michael@0:         return false;
michael@0:     }
michael@0:     fullPath += NName::kDirDelimiter;
michael@0:   }
michael@0:   return true;
michael@0: }
michael@0: */
michael@0: 
michael@0: bool CreateComplexDirectory(LPCTSTR _aPathName)
michael@0: {
michael@0:   CSysString pathName = _aPathName;
michael@0:   int pos = pathName.ReverseFind(TEXT(CHAR_PATH_SEPARATOR));
michael@0:   if (pos > 0 && pos == pathName.Length() - 1)
michael@0:   {
michael@0:     if (pathName.Length() == 3 && pathName[1] == ':')
michael@0:       return true; // Disk folder;
michael@0:     pathName.Delete(pos);
michael@0:   }
michael@0:   CSysString pathName2 = pathName;
michael@0:   pos = pathName.Length();
michael@0:   while(true)
michael@0:   {
michael@0:     if(MyCreateDirectory(pathName))
michael@0:       break;
michael@0:     if(::GetLastError() == ERROR_ALREADY_EXISTS)
michael@0:     {
michael@0:       NFind::CFileInfo fileInfo;
michael@0:       if (!NFind::FindFile(pathName, fileInfo)) // For network folders
michael@0:         return true;
michael@0:       if (!fileInfo.IsDirectory())
michael@0:         return false;
michael@0:       break;
michael@0:     }
michael@0:     pos = pathName.ReverseFind(TEXT(CHAR_PATH_SEPARATOR));
michael@0:     if (pos < 0 || pos == 0)
michael@0:       return false;
michael@0:     if (pathName[pos - 1] == ':')
michael@0:       return false;
michael@0:     pathName = pathName.Left(pos);
michael@0:   }
michael@0:   pathName = pathName2;
michael@0:   while(pos < pathName.Length())
michael@0:   {
michael@0:     pos = pathName.Find(TEXT(CHAR_PATH_SEPARATOR), pos + 1);
michael@0:     if (pos < 0)
michael@0:       pos = pathName.Length();
michael@0:     if(!MyCreateDirectory(pathName.Left(pos)))
michael@0:       return false;
michael@0:   }
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: #ifndef _UNICODE
michael@0: 
michael@0: bool CreateComplexDirectory(LPCWSTR _aPathName)
michael@0: {
michael@0:   UString pathName = _aPathName;
michael@0:   int pos = pathName.ReverseFind(WCHAR_PATH_SEPARATOR);
michael@0:   if (pos > 0 && pos == pathName.Length() - 1)
michael@0:   {
michael@0:     if (pathName.Length() == 3 && pathName[1] == L':')
michael@0:       return true; // Disk folder;
michael@0:     pathName.Delete(pos);
michael@0:   }
michael@0:   UString pathName2 = pathName;
michael@0:   pos = pathName.Length();
michael@0:   while(true)
michael@0:   {
michael@0:     if(MyCreateDirectory(pathName))
michael@0:       break;
michael@0:     if(::GetLastError() == ERROR_ALREADY_EXISTS)
michael@0:     {
michael@0:       NFind::CFileInfoW fileInfo;
michael@0:       if (!NFind::FindFile(pathName, fileInfo)) // For network folders
michael@0:         return true;
michael@0:       if (!fileInfo.IsDirectory())
michael@0:         return false;
michael@0:       break;
michael@0:     }
michael@0:     pos = pathName.ReverseFind(WCHAR_PATH_SEPARATOR);
michael@0:     if (pos < 0 || pos == 0)
michael@0:       return false;
michael@0:     if (pathName[pos - 1] == L':')
michael@0:       return false;
michael@0:     pathName = pathName.Left(pos);
michael@0:   }
michael@0:   pathName = pathName2;
michael@0:   while(pos < pathName.Length())
michael@0:   {
michael@0:     pos = pathName.Find(WCHAR_PATH_SEPARATOR, pos + 1);
michael@0:     if (pos < 0)
michael@0:       pos = pathName.Length();
michael@0:     if(!MyCreateDirectory(pathName.Left(pos)))
michael@0:       return false;
michael@0:   }
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: #endif
michael@0: 
michael@0: bool DeleteFileAlways(LPCTSTR name)
michael@0: {
michael@0:   if(!::SetFileAttributes(name, 0))
michael@0:     return false;
michael@0:   return BOOLToBool(::DeleteFile(name));
michael@0: }
michael@0: 
michael@0: #ifndef _UNICODE
michael@0: bool DeleteFileAlways(LPCWSTR name)
michael@0: {  
michael@0:   if (g_IsNT)
michael@0:   {
michael@0:     if(!MySetFileAttributes(name, 0))
michael@0:       return false;
michael@0:     return BOOLToBool(::DeleteFileW(name));
michael@0:   }
michael@0:   return DeleteFileAlways(GetSysPath(name));
michael@0: }
michael@0: #endif
michael@0: 
michael@0: static bool RemoveDirectorySubItems2(const CSysString pathPrefix, const NFind::CFileInfo &fileInfo)
michael@0: {
michael@0:   if(fileInfo.IsDirectory())
michael@0:     return RemoveDirectoryWithSubItems(pathPrefix + fileInfo.Name);
michael@0:   else
michael@0:     return DeleteFileAlways(pathPrefix + fileInfo.Name);
michael@0: }
michael@0: 
michael@0: bool RemoveDirectoryWithSubItems(const CSysString &path)
michael@0: {
michael@0:   NFind::CFileInfo fileInfo;
michael@0:   CSysString pathPrefix = path + NName::kDirDelimiter;
michael@0:   {
michael@0:     NFind::CEnumerator enumerator(pathPrefix + TCHAR(NName::kAnyStringWildcard));
michael@0:     while(enumerator.Next(fileInfo))
michael@0:       if(!RemoveDirectorySubItems2(pathPrefix, fileInfo))
michael@0:         return false;
michael@0:   }
michael@0:   if(!BOOLToBool(::SetFileAttributes(path, 0)))
michael@0:     return false;
michael@0:   return BOOLToBool(::RemoveDirectory(path));
michael@0: }
michael@0: 
michael@0: #ifndef _UNICODE
michael@0: static bool RemoveDirectorySubItems2(const UString pathPrefix, const NFind::CFileInfoW &fileInfo)
michael@0: {
michael@0:   if(fileInfo.IsDirectory())
michael@0:     return RemoveDirectoryWithSubItems(pathPrefix + fileInfo.Name);
michael@0:   else
michael@0:     return DeleteFileAlways(pathPrefix + fileInfo.Name);
michael@0: }
michael@0: bool RemoveDirectoryWithSubItems(const UString &path)
michael@0: {
michael@0:   NFind::CFileInfoW fileInfo;
michael@0:   UString pathPrefix = path + UString(NName::kDirDelimiter);
michael@0:   {
michael@0:     NFind::CEnumeratorW enumerator(pathPrefix + UString(NName::kAnyStringWildcard));
michael@0:     while(enumerator.Next(fileInfo))
michael@0:       if(!RemoveDirectorySubItems2(pathPrefix, fileInfo))
michael@0:         return false;
michael@0:   }
michael@0:   if(!MySetFileAttributes(path, 0))
michael@0:     return false;
michael@0:   return MyRemoveDirectory(path);
michael@0: }
michael@0: #endif
michael@0: 
michael@0: #ifndef _WIN32_WCE
michael@0: 
michael@0: bool MyGetShortPathName(LPCTSTR longPath, CSysString &shortPath)
michael@0: {
michael@0:   DWORD needLength = ::GetShortPathName(longPath, shortPath.GetBuffer(MAX_PATH + 1), MAX_PATH + 1);
michael@0:   shortPath.ReleaseBuffer();
michael@0:   return (needLength > 0 && needLength < MAX_PATH);
michael@0: }
michael@0: 
michael@0: bool MyGetFullPathName(LPCTSTR fileName, CSysString &resultPath, int &fileNamePartStartIndex)
michael@0: {
michael@0:   resultPath.Empty();
michael@0:   LPTSTR fileNamePointer = 0;
michael@0:   LPTSTR buffer = resultPath.GetBuffer(MAX_PATH);
michael@0:   DWORD needLength = ::GetFullPathName(fileName, MAX_PATH + 1, buffer, &fileNamePointer);
michael@0:   resultPath.ReleaseBuffer();
michael@0:   if (needLength == 0 || needLength >= MAX_PATH)
michael@0:     return false;
michael@0:   if (fileNamePointer == 0)
michael@0:     fileNamePartStartIndex = lstrlen(fileName);
michael@0:   else
michael@0:     fileNamePartStartIndex = (int)(fileNamePointer - buffer);
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: #ifndef _UNICODE
michael@0: bool MyGetFullPathName(LPCWSTR fileName, UString &resultPath, int &fileNamePartStartIndex)
michael@0: {
michael@0:   resultPath.Empty();
michael@0:   if (g_IsNT)
michael@0:   {
michael@0:     LPWSTR fileNamePointer = 0;
michael@0:     LPWSTR buffer = resultPath.GetBuffer(MAX_PATH);
michael@0:     DWORD needLength = ::GetFullPathNameW(fileName, MAX_PATH + 1, buffer, &fileNamePointer);
michael@0:     resultPath.ReleaseBuffer();
michael@0:     if (needLength == 0 || needLength >= MAX_PATH)
michael@0:       return false;
michael@0:     if (fileNamePointer == 0)
michael@0:       fileNamePartStartIndex = MyStringLen(fileName);
michael@0:     else
michael@0:       fileNamePartStartIndex = (int)(fileNamePointer - buffer);
michael@0:   }
michael@0:   else
michael@0:   {
michael@0:     CSysString sysPath;
michael@0:     if (!MyGetFullPathName(GetSysPath(fileName), sysPath, fileNamePartStartIndex))
michael@0:       return false;
michael@0:     UString resultPath1 = GetUnicodePath(sysPath.Left(fileNamePartStartIndex));
michael@0:     UString resultPath2 = GetUnicodePath(sysPath.Mid(fileNamePartStartIndex));
michael@0:     fileNamePartStartIndex = resultPath1.Length();
michael@0:     resultPath = resultPath1 + resultPath2;
michael@0:   }
michael@0:   return true;
michael@0: }
michael@0: #endif
michael@0: 
michael@0: 
michael@0: bool MyGetFullPathName(LPCTSTR fileName, CSysString &path)
michael@0: {
michael@0:   int index;
michael@0:   return MyGetFullPathName(fileName, path, index);
michael@0: }
michael@0: 
michael@0: #ifndef _UNICODE
michael@0: bool MyGetFullPathName(LPCWSTR fileName, UString &path)
michael@0: {
michael@0:   int index;
michael@0:   return MyGetFullPathName(fileName, path, index);
michael@0: }
michael@0: #endif
michael@0: 
michael@0: bool GetOnlyName(LPCTSTR fileName, CSysString &resultName)
michael@0: {
michael@0:   int index;
michael@0:   if (!MyGetFullPathName(fileName, resultName, index))
michael@0:     return false;
michael@0:   resultName = resultName.Mid(index);
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: #ifndef _UNICODE
michael@0: bool GetOnlyName(LPCWSTR fileName, UString &resultName)
michael@0: {
michael@0:   int index;
michael@0:   if (!MyGetFullPathName(fileName, resultName, index))
michael@0:     return false;
michael@0:   resultName = resultName.Mid(index);
michael@0:   return true;
michael@0: }
michael@0: #endif
michael@0: 
michael@0: bool GetOnlyDirPrefix(LPCTSTR fileName, CSysString &resultName)
michael@0: {
michael@0:   int index;
michael@0:   if (!MyGetFullPathName(fileName, resultName, index))
michael@0:     return false;
michael@0:   resultName = resultName.Left(index);
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: #ifndef _UNICODE
michael@0: bool GetOnlyDirPrefix(LPCWSTR fileName, UString &resultName)
michael@0: {
michael@0:   int index;
michael@0:   if (!MyGetFullPathName(fileName, resultName, index))
michael@0:     return false;
michael@0:   resultName = resultName.Left(index);
michael@0:   return true;
michael@0: }
michael@0: #endif
michael@0: 
michael@0: bool MyGetCurrentDirectory(CSysString &path)
michael@0: {
michael@0:   DWORD needLength = ::GetCurrentDirectory(MAX_PATH + 1, path.GetBuffer(MAX_PATH + 1));
michael@0:   path.ReleaseBuffer();
michael@0:   return (needLength > 0 && needLength <= MAX_PATH);
michael@0: }
michael@0: 
michael@0: #ifndef _UNICODE
michael@0: bool MySetCurrentDirectory(LPCWSTR path)
michael@0: {
michael@0:   if (g_IsNT)
michael@0:     return BOOLToBool(::SetCurrentDirectoryW(path));
michael@0:   return MySetCurrentDirectory(GetSysPath(path));
michael@0: }
michael@0: bool MyGetCurrentDirectory(UString &path)
michael@0: {
michael@0:   if (g_IsNT)
michael@0:   {
michael@0:     DWORD needLength = ::GetCurrentDirectoryW(MAX_PATH + 1, path.GetBuffer(MAX_PATH + 1));
michael@0:     path.ReleaseBuffer();
michael@0:     return (needLength > 0 && needLength <= MAX_PATH);
michael@0:   }
michael@0:   CSysString sysPath;
michael@0:   if (!MyGetCurrentDirectory(sysPath))
michael@0:     return false;
michael@0:   path = GetUnicodePath(sysPath);
michael@0:   return true;
michael@0: }
michael@0: #endif
michael@0: #endif
michael@0: 
michael@0: bool MySearchPath(LPCTSTR path, LPCTSTR fileName, LPCTSTR extension, 
michael@0:   CSysString &resultPath, UINT32 &filePart)
michael@0: {
michael@0:   LPTSTR filePartPointer;
michael@0:   DWORD value = ::SearchPath(path, fileName, extension, 
michael@0:     MAX_PATH, resultPath.GetBuffer(MAX_PATH + 1), &filePartPointer);
michael@0:   filePart = (UINT32)(filePartPointer - (LPCTSTR)resultPath);
michael@0:   resultPath.ReleaseBuffer();
michael@0:   return (value > 0 && value <= MAX_PATH);
michael@0: }
michael@0: 
michael@0: #ifndef _UNICODE
michael@0: bool MySearchPath(LPCWSTR path, LPCWSTR fileName, LPCWSTR extension, 
michael@0:   UString &resultPath, UINT32 &filePart)
michael@0: {
michael@0:   if (g_IsNT)
michael@0:   {
michael@0:     LPWSTR filePartPointer = 0;
michael@0:     DWORD value = ::SearchPathW(path, fileName, extension, 
michael@0:         MAX_PATH, resultPath.GetBuffer(MAX_PATH + 1), &filePartPointer);
michael@0:     filePart = (UINT32)(filePartPointer - (LPCWSTR)resultPath);
michael@0:     resultPath.ReleaseBuffer();
michael@0:     return (value > 0 && value <= MAX_PATH);
michael@0:   }
michael@0:   
michael@0:   CSysString sysPath;
michael@0:   if (!MySearchPath(
michael@0:       path != 0 ? (LPCTSTR)GetSysPath(path): 0,
michael@0:       fileName != 0 ? (LPCTSTR)GetSysPath(fileName): 0,
michael@0:       extension != 0 ? (LPCTSTR)GetSysPath(extension): 0,
michael@0:       sysPath, filePart))
michael@0:     return false;
michael@0:   UString resultPath1 = GetUnicodePath(sysPath.Left(filePart));
michael@0:   UString resultPath2 = GetUnicodePath(sysPath.Mid(filePart));
michael@0:   filePart = resultPath1.Length();
michael@0:   resultPath = resultPath1 + resultPath2;
michael@0:   return true;
michael@0: }
michael@0: #endif
michael@0: 
michael@0: bool MyGetTempPath(CSysString &path)
michael@0: {
michael@0:   DWORD needLength = ::GetTempPath(MAX_PATH + 1, path.GetBuffer(MAX_PATH + 1));
michael@0:   path.ReleaseBuffer();
michael@0:   return (needLength > 0 && needLength <= MAX_PATH);
michael@0: }
michael@0: 
michael@0: #ifndef _UNICODE
michael@0: bool MyGetTempPath(UString &path)
michael@0: {
michael@0:   path.Empty();
michael@0:   if (g_IsNT)
michael@0:   {
michael@0:     DWORD needLength = ::GetTempPathW(MAX_PATH + 1, path.GetBuffer(MAX_PATH + 1));
michael@0:     path.ReleaseBuffer();
michael@0:     return (needLength > 0 && needLength <= MAX_PATH);
michael@0:   }
michael@0:   CSysString sysPath;
michael@0:   if (!MyGetTempPath(sysPath))
michael@0:     return false;
michael@0:   path = GetUnicodePath(sysPath);
michael@0:   return true;
michael@0: }
michael@0: #endif
michael@0: 
michael@0: UINT MyGetTempFileName(LPCTSTR dirPath, LPCTSTR prefix, CSysString &path)
michael@0: {
michael@0:   UINT number = ::GetTempFileName(dirPath, prefix, 0, path.GetBuffer(MAX_PATH + 1));
michael@0:   path.ReleaseBuffer();
michael@0:   return number;
michael@0: }
michael@0: 
michael@0: #ifndef _UNICODE
michael@0: UINT MyGetTempFileName(LPCWSTR dirPath, LPCWSTR prefix, UString &path)
michael@0: {
michael@0:   if (g_IsNT)
michael@0:   {
michael@0:     UINT number = ::GetTempFileNameW(dirPath, prefix, 0, path.GetBuffer(MAX_PATH));
michael@0:     path.ReleaseBuffer();
michael@0:     return number;
michael@0:   }
michael@0:   CSysString sysPath;
michael@0:   UINT number = MyGetTempFileName(
michael@0:       dirPath ? (LPCTSTR)GetSysPath(dirPath): 0, 
michael@0:       prefix ? (LPCTSTR)GetSysPath(prefix): 0, 
michael@0:       sysPath);
michael@0:   path = GetUnicodePath(sysPath);
michael@0:   return number;
michael@0: }
michael@0: #endif
michael@0: 
michael@0: UINT CTempFile::Create(LPCTSTR dirPath, LPCTSTR prefix, CSysString &resultPath)
michael@0: {
michael@0:   Remove();
michael@0:   UINT number = MyGetTempFileName(dirPath, prefix, resultPath);
michael@0:   if(number != 0)
michael@0:   {
michael@0:     _fileName = resultPath;
michael@0:     _mustBeDeleted = true;
michael@0:   }
michael@0:   return number;
michael@0: }
michael@0: 
michael@0: bool CTempFile::Create(LPCTSTR prefix, CSysString &resultPath)
michael@0: {
michael@0:   CSysString tempPath;
michael@0:   if(!MyGetTempPath(tempPath))
michael@0:     return false;
michael@0:   if (Create(tempPath, prefix, resultPath) != 0)
michael@0:     return true;
michael@0:   if(!MyGetWindowsDirectory(tempPath))
michael@0:     return false;
michael@0:   return (Create(tempPath, prefix, resultPath) != 0);
michael@0: }
michael@0: 
michael@0: bool CTempFile::Remove()
michael@0: {
michael@0:   if (!_mustBeDeleted)
michael@0:     return true;
michael@0:   _mustBeDeleted = !DeleteFileAlways(_fileName);
michael@0:   return !_mustBeDeleted;
michael@0: }
michael@0: 
michael@0: #ifndef _UNICODE
michael@0: 
michael@0: UINT CTempFileW::Create(LPCWSTR dirPath, LPCWSTR prefix, UString &resultPath)
michael@0: {
michael@0:   Remove();
michael@0:   UINT number = MyGetTempFileName(dirPath, prefix, resultPath);
michael@0:   if(number != 0)
michael@0:   {
michael@0:     _fileName = resultPath;
michael@0:     _mustBeDeleted = true;
michael@0:   }
michael@0:   return number;
michael@0: }
michael@0: 
michael@0: bool CTempFileW::Create(LPCWSTR prefix, UString &resultPath)
michael@0: {
michael@0:   UString tempPath;
michael@0:   if(!MyGetTempPath(tempPath))
michael@0:     return false;
michael@0:   if (Create(tempPath, prefix, resultPath) != 0)
michael@0:     return true;
michael@0:   if(!MyGetWindowsDirectory(tempPath))
michael@0:     return false;
michael@0:   return (Create(tempPath, prefix, resultPath) != 0);
michael@0: }
michael@0: 
michael@0: bool CTempFileW::Remove()
michael@0: {
michael@0:   if (!_mustBeDeleted)
michael@0:     return true;
michael@0:   _mustBeDeleted = !DeleteFileAlways(_fileName);
michael@0:   return !_mustBeDeleted;
michael@0: }
michael@0: 
michael@0: #endif
michael@0: 
michael@0: bool CreateTempDirectory(LPCTSTR prefix, CSysString &dirName)
michael@0: {
michael@0:   /*
michael@0:   CSysString prefix = tempPath + prefixChars;
michael@0:   CRandom random;
michael@0:   random.Init();
michael@0:   */
michael@0:   while(true)
michael@0:   {
michael@0:     CTempFile tempFile;
michael@0:     if (!tempFile.Create(prefix, dirName))
michael@0:       return false;
michael@0:     if (!::DeleteFile(dirName))
michael@0:       return false;
michael@0:     /*
michael@0:     UINT32 randomNumber = random.Generate();
michael@0:     TCHAR randomNumberString[32];
michael@0:     _stprintf(randomNumberString, _T("%04X"), randomNumber);
michael@0:     dirName = prefix + randomNumberString;
michael@0:     */
michael@0:     if(NFind::DoesFileExist(dirName))
michael@0:       continue;
michael@0:     if (MyCreateDirectory(dirName))
michael@0:       return true;
michael@0:     if (::GetLastError() != ERROR_ALREADY_EXISTS)
michael@0:       return false;
michael@0:   }
michael@0: }
michael@0: 
michael@0: bool CTempDirectory::Create(LPCTSTR prefix)
michael@0: { 
michael@0:   Remove();
michael@0:   return (_mustBeDeleted = CreateTempDirectory(prefix, _tempDir)); 
michael@0: }
michael@0: 
michael@0: #ifndef _UNICODE
michael@0: 
michael@0: bool CreateTempDirectory(LPCWSTR prefix, UString &dirName)
michael@0: {
michael@0:   /*
michael@0:   CSysString prefix = tempPath + prefixChars;
michael@0:   CRandom random;
michael@0:   random.Init();
michael@0:   */
michael@0:   while(true)
michael@0:   {
michael@0:     CTempFileW tempFile;
michael@0:     if (!tempFile.Create(prefix, dirName))
michael@0:       return false;
michael@0:     if (!DeleteFileAlways(dirName))
michael@0:       return false;
michael@0:     /*
michael@0:     UINT32 randomNumber = random.Generate();
michael@0:     TCHAR randomNumberString[32];
michael@0:     _stprintf(randomNumberString, _T("%04X"), randomNumber);
michael@0:     dirName = prefix + randomNumberString;
michael@0:     */
michael@0:     if(NFind::DoesFileExist(dirName))
michael@0:       continue;
michael@0:     if (MyCreateDirectory(dirName))
michael@0:       return true;
michael@0:     if (::GetLastError() != ERROR_ALREADY_EXISTS)
michael@0:       return false;
michael@0:   }
michael@0: }
michael@0: 
michael@0: bool CTempDirectoryW::Create(LPCWSTR prefix)
michael@0: { 
michael@0:   Remove();
michael@0:   return (_mustBeDeleted = CreateTempDirectory(prefix, _tempDir)); 
michael@0: }
michael@0: 
michael@0: #endif
michael@0: 
michael@0: }}}