diff src/win32/7zip/7z/CPP/Windows/FileDir.cpp @ 1:f9f4f1b99eed

importing src directory
author Robert McIntyre <rlm@mit.edu>
date Sat, 03 Mar 2012 10:31:27 -0600
parents
children
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     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/win32/7zip/7z/CPP/Windows/FileDir.cpp	Sat Mar 03 10:31:27 2012 -0600
     1.3 @@ -0,0 +1,841 @@
     1.4 +// Windows/FileDir.cpp
     1.5 +
     1.6 +#include "StdAfx.h"
     1.7 +
     1.8 +#include "FileDir.h"
     1.9 +#include "FileName.h"
    1.10 +#include "FileFind.h"
    1.11 +#include "Defs.h"
    1.12 +#ifndef _UNICODE
    1.13 +#include "../Common/StringConvert.h"
    1.14 +#endif
    1.15 +
    1.16 +#ifndef _UNICODE
    1.17 +extern bool g_IsNT;
    1.18 +#endif
    1.19 +
    1.20 +namespace NWindows {
    1.21 +namespace NFile {
    1.22 +
    1.23 +#if defined(WIN_LONG_PATH) && defined(_UNICODE)
    1.24 +#define WIN_LONG_PATH2
    1.25 +#endif
    1.26 +
    1.27 +// SetCurrentDirectory doesn't support \\?\ prefix
    1.28 +
    1.29 +#ifdef WIN_LONG_PATH
    1.30 +bool GetLongPathBase(LPCWSTR fileName, UString &res);
    1.31 +bool GetLongPath(LPCWSTR fileName, UString &res);
    1.32 +#endif
    1.33 +
    1.34 +namespace NDirectory {
    1.35 +
    1.36 +#ifndef _UNICODE
    1.37 +static inline UINT GetCurrentCodePage() { return ::AreFileApisANSI() ? CP_ACP : CP_OEMCP; }
    1.38 +static UString GetUnicodePath(const CSysString &sysPath)
    1.39 +  { return MultiByteToUnicodeString(sysPath, GetCurrentCodePage()); }
    1.40 +static CSysString GetSysPath(LPCWSTR sysPath)
    1.41 +  { return UnicodeStringToMultiByte(sysPath, GetCurrentCodePage()); }
    1.42 +#endif
    1.43 +
    1.44 +bool MyGetWindowsDirectory(CSysString &path)
    1.45 +{
    1.46 +  UINT needLength = ::GetWindowsDirectory(path.GetBuffer(MAX_PATH + 1), MAX_PATH + 1);
    1.47 +  path.ReleaseBuffer();
    1.48 +  return (needLength > 0 && needLength <= MAX_PATH);
    1.49 +}
    1.50 +
    1.51 +bool MyGetSystemDirectory(CSysString &path)
    1.52 +{
    1.53 +  UINT needLength = ::GetSystemDirectory(path.GetBuffer(MAX_PATH + 1), MAX_PATH + 1);
    1.54 +  path.ReleaseBuffer();
    1.55 +  return (needLength > 0 && needLength <= MAX_PATH);
    1.56 +}
    1.57 +
    1.58 +#ifndef _UNICODE
    1.59 +bool MyGetWindowsDirectory(UString &path)
    1.60 +{
    1.61 +  if (g_IsNT)
    1.62 +  {
    1.63 +    UINT needLength = ::GetWindowsDirectoryW(path.GetBuffer(MAX_PATH + 1), MAX_PATH + 1);
    1.64 +    path.ReleaseBuffer();
    1.65 +    return (needLength > 0 && needLength <= MAX_PATH);
    1.66 +  }
    1.67 +  CSysString sysPath;
    1.68 +  if (!MyGetWindowsDirectory(sysPath))
    1.69 +    return false;
    1.70 +  path = GetUnicodePath(sysPath);
    1.71 +  return true;
    1.72 +}
    1.73 +
    1.74 +bool MyGetSystemDirectory(UString &path)
    1.75 +{
    1.76 +  if (g_IsNT)
    1.77 +  {
    1.78 +    UINT needLength = ::GetSystemDirectoryW(path.GetBuffer(MAX_PATH + 1), MAX_PATH + 1);
    1.79 +    path.ReleaseBuffer();
    1.80 +    return (needLength > 0 && needLength <= MAX_PATH);
    1.81 +  }
    1.82 +  CSysString sysPath;
    1.83 +  if (!MyGetSystemDirectory(sysPath))
    1.84 +    return false;
    1.85 +  path = GetUnicodePath(sysPath);
    1.86 +  return true;
    1.87 +}
    1.88 +#endif
    1.89 +
    1.90 +bool SetDirTime(LPCWSTR fileName, const FILETIME *cTime, const FILETIME *aTime, const FILETIME *mTime)
    1.91 +{
    1.92 +  #ifndef _UNICODE
    1.93 +  if (!g_IsNT)
    1.94 +  {
    1.95 +    ::SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
    1.96 +    return false;
    1.97 +  }
    1.98 +  #endif
    1.99 +  HANDLE hDir = ::CreateFileW(fileName, GENERIC_WRITE,
   1.100 +      FILE_SHARE_READ | FILE_SHARE_WRITE,
   1.101 +      NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
   1.102 +  #ifdef WIN_LONG_PATH
   1.103 +  if (hDir == INVALID_HANDLE_VALUE)
   1.104 +  {
   1.105 +    UString longPath;
   1.106 +    if (GetLongPath(fileName, longPath))
   1.107 +      hDir = ::CreateFileW(longPath, GENERIC_WRITE,
   1.108 +        FILE_SHARE_READ | FILE_SHARE_WRITE,
   1.109 +        NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
   1.110 +  }
   1.111 +  #endif
   1.112 +
   1.113 +  bool res = false;
   1.114 +  if (hDir != INVALID_HANDLE_VALUE)
   1.115 +  {
   1.116 +    res = BOOLToBool(::SetFileTime(hDir, cTime, aTime, mTime));
   1.117 +    ::CloseHandle(hDir);
   1.118 +  }
   1.119 +  return res;
   1.120 +}
   1.121 +
   1.122 +bool MySetFileAttributes(LPCTSTR fileName, DWORD fileAttributes)
   1.123 +{
   1.124 +  if (::SetFileAttributes(fileName, fileAttributes))
   1.125 +    return true;
   1.126 +  #ifdef WIN_LONG_PATH2
   1.127 +  UString longPath;
   1.128 +  if (GetLongPath(fileName, longPath))
   1.129 +    return BOOLToBool(::SetFileAttributesW(longPath, fileAttributes));
   1.130 +  #endif
   1.131 +  return false;
   1.132 +}
   1.133 +
   1.134 +bool MyRemoveDirectory(LPCTSTR pathName)
   1.135 +{
   1.136 +  if (::RemoveDirectory(pathName))
   1.137 +    return true;
   1.138 +  #ifdef WIN_LONG_PATH2
   1.139 +  UString longPath;
   1.140 +  if (GetLongPath(pathName, longPath))
   1.141 +    return BOOLToBool(::RemoveDirectoryW(longPath));
   1.142 +  #endif
   1.143 +  return false;
   1.144 +}
   1.145 +
   1.146 +#ifdef WIN_LONG_PATH
   1.147 +bool GetLongPaths(LPCWSTR s1, LPCWSTR s2, UString &d1, UString &d2)
   1.148 +{
   1.149 +  if (!GetLongPathBase(s1, d1) || !GetLongPathBase(s2, d2))
   1.150 +    return false;
   1.151 +  if (d1.IsEmpty() && d2.IsEmpty()) return false;
   1.152 +  if (d1.IsEmpty()) d1 = s1;
   1.153 +  if (d2.IsEmpty()) d2 = s2;
   1.154 +  return true;
   1.155 +}
   1.156 +#endif
   1.157 +
   1.158 +bool MyMoveFile(LPCTSTR existFileName, LPCTSTR newFileName)
   1.159 +{
   1.160 +  if (::MoveFile(existFileName, newFileName))
   1.161 +    return true;
   1.162 +  #ifdef WIN_LONG_PATH2
   1.163 +  UString d1, d2;
   1.164 +  if (GetLongPaths(existFileName, newFileName, d1, d2))
   1.165 +    return BOOLToBool(::MoveFileW(d1, d2));
   1.166 +  #endif
   1.167 +  return false;
   1.168 +}
   1.169 +
   1.170 +#ifndef _UNICODE
   1.171 +bool MySetFileAttributes(LPCWSTR fileName, DWORD fileAttributes)
   1.172 +{
   1.173 +  if (!g_IsNT)
   1.174 +    return MySetFileAttributes(GetSysPath(fileName), fileAttributes);
   1.175 +  if (::SetFileAttributesW(fileName, fileAttributes))
   1.176 +    return true;
   1.177 +  #ifdef WIN_LONG_PATH
   1.178 +  UString longPath;
   1.179 +  if (GetLongPath(fileName, longPath))
   1.180 +    return BOOLToBool(::SetFileAttributesW(longPath, fileAttributes));
   1.181 +  #endif
   1.182 +  return false;
   1.183 +}
   1.184 +
   1.185 +
   1.186 +bool MyRemoveDirectory(LPCWSTR pathName)
   1.187 +{
   1.188 +  if (!g_IsNT)
   1.189 +    return MyRemoveDirectory(GetSysPath(pathName));
   1.190 +  if (::RemoveDirectoryW(pathName))
   1.191 +    return true;
   1.192 +  #ifdef WIN_LONG_PATH
   1.193 +  UString longPath;
   1.194 +  if (GetLongPath(pathName, longPath))
   1.195 +    return BOOLToBool(::RemoveDirectoryW(longPath));
   1.196 +  #endif
   1.197 +  return false;
   1.198 +}
   1.199 +
   1.200 +bool MyMoveFile(LPCWSTR existFileName, LPCWSTR newFileName)
   1.201 +{
   1.202 +  if (!g_IsNT)
   1.203 +    return MyMoveFile(GetSysPath(existFileName), GetSysPath(newFileName));
   1.204 +  if (::MoveFileW(existFileName, newFileName))
   1.205 +    return true;
   1.206 +  #ifdef WIN_LONG_PATH
   1.207 +  UString d1, d2;
   1.208 +  if (GetLongPaths(existFileName, newFileName, d1, d2))
   1.209 +    return BOOLToBool(::MoveFileW(d1, d2));
   1.210 +  #endif
   1.211 +  return false;
   1.212 +}
   1.213 +#endif
   1.214 +
   1.215 +bool MyCreateDirectory(LPCTSTR pathName)
   1.216 +{
   1.217 +  if (::CreateDirectory(pathName, NULL))
   1.218 +    return true;
   1.219 +  #ifdef WIN_LONG_PATH2
   1.220 +  if (::GetLastError() != ERROR_ALREADY_EXISTS)
   1.221 +  {
   1.222 +    UString longPath;
   1.223 +    if (GetLongPath(pathName, longPath))
   1.224 +      return BOOLToBool(::CreateDirectoryW(longPath, NULL));
   1.225 +  }
   1.226 +  #endif
   1.227 +  return false;
   1.228 +}
   1.229 +
   1.230 +#ifndef _UNICODE
   1.231 +bool MyCreateDirectory(LPCWSTR pathName)
   1.232 +{
   1.233 +  if (!g_IsNT)
   1.234 +    return MyCreateDirectory(GetSysPath(pathName));
   1.235 +  if (::CreateDirectoryW(pathName, NULL))
   1.236 +    return true;
   1.237 +  #ifdef WIN_LONG_PATH
   1.238 +  if (::GetLastError() != ERROR_ALREADY_EXISTS)
   1.239 +  {
   1.240 +    UString longPath;
   1.241 +    if (GetLongPath(pathName, longPath))
   1.242 +      return BOOLToBool(::CreateDirectoryW(longPath, NULL));
   1.243 +  }
   1.244 +  #endif
   1.245 +  return false;
   1.246 +}
   1.247 +#endif
   1.248 +
   1.249 +/*
   1.250 +bool CreateComplexDirectory(LPCTSTR pathName)
   1.251 +{
   1.252 +  NName::CParsedPath path;
   1.253 +  path.ParsePath(pathName);
   1.254 +  CSysString fullPath = path.Prefix;
   1.255 +  DWORD errorCode = ERROR_SUCCESS;
   1.256 +  for (int i = 0; i < path.PathParts.Size(); i++)
   1.257 +  {
   1.258 +    const CSysString &string = path.PathParts[i];
   1.259 +    if (string.IsEmpty())
   1.260 +    {
   1.261 +      if (i != path.PathParts.Size() - 1)
   1.262 +        return false;
   1.263 +      return true;
   1.264 +    }
   1.265 +    fullPath += path.PathParts[i];
   1.266 +    if (!MyCreateDirectory(fullPath))
   1.267 +    {
   1.268 +      DWORD errorCode = GetLastError();
   1.269 +      if (errorCode != ERROR_ALREADY_EXISTS)
   1.270 +        return false;
   1.271 +    }
   1.272 +    fullPath += NName::kDirDelimiter;
   1.273 +  }
   1.274 +  return true;
   1.275 +}
   1.276 +*/
   1.277 +
   1.278 +bool CreateComplexDirectory(LPCTSTR _aPathName)
   1.279 +{
   1.280 +  CSysString pathName = _aPathName;
   1.281 +  int pos = pathName.ReverseFind(TEXT(CHAR_PATH_SEPARATOR));
   1.282 +  if (pos > 0 && pos == pathName.Length() - 1)
   1.283 +  {
   1.284 +    if (pathName.Length() == 3 && pathName[1] == ':')
   1.285 +      return true; // Disk folder;
   1.286 +    pathName.Delete(pos);
   1.287 +  }
   1.288 +  CSysString pathName2 = pathName;
   1.289 +  pos = pathName.Length();
   1.290 +  for (;;)
   1.291 +  {
   1.292 +    if (MyCreateDirectory(pathName))
   1.293 +      break;
   1.294 +    if (::GetLastError() == ERROR_ALREADY_EXISTS)
   1.295 +    {
   1.296 +      NFind::CFileInfo fileInfo;
   1.297 +      if (!NFind::FindFile(pathName, fileInfo)) // For network folders
   1.298 +        return true;
   1.299 +      if (!fileInfo.IsDir())
   1.300 +        return false;
   1.301 +      break;
   1.302 +    }
   1.303 +    pos = pathName.ReverseFind(TEXT(CHAR_PATH_SEPARATOR));
   1.304 +    if (pos < 0 || pos == 0)
   1.305 +      return false;
   1.306 +    if (pathName[pos - 1] == ':')
   1.307 +      return false;
   1.308 +    pathName = pathName.Left(pos);
   1.309 +  }
   1.310 +  pathName = pathName2;
   1.311 +  while (pos < pathName.Length())
   1.312 +  {
   1.313 +    pos = pathName.Find(TEXT(CHAR_PATH_SEPARATOR), pos + 1);
   1.314 +    if (pos < 0)
   1.315 +      pos = pathName.Length();
   1.316 +    if (!MyCreateDirectory(pathName.Left(pos)))
   1.317 +      return false;
   1.318 +  }
   1.319 +  return true;
   1.320 +}
   1.321 +
   1.322 +#ifndef _UNICODE
   1.323 +
   1.324 +bool CreateComplexDirectory(LPCWSTR _aPathName)
   1.325 +{
   1.326 +  UString pathName = _aPathName;
   1.327 +  int pos = pathName.ReverseFind(WCHAR_PATH_SEPARATOR);
   1.328 +  if (pos > 0 && pos == pathName.Length() - 1)
   1.329 +  {
   1.330 +    if (pathName.Length() == 3 && pathName[1] == L':')
   1.331 +      return true; // Disk folder;
   1.332 +    pathName.Delete(pos);
   1.333 +  }
   1.334 +  UString pathName2 = pathName;
   1.335 +  pos = pathName.Length();
   1.336 +  for (;;)
   1.337 +  {
   1.338 +    if (MyCreateDirectory(pathName))
   1.339 +      break;
   1.340 +    if (::GetLastError() == ERROR_ALREADY_EXISTS)
   1.341 +    {
   1.342 +      NFind::CFileInfoW fileInfo;
   1.343 +      if (!NFind::FindFile(pathName, fileInfo)) // For network folders
   1.344 +        return true;
   1.345 +      if (!fileInfo.IsDir())
   1.346 +        return false;
   1.347 +      break;
   1.348 +    }
   1.349 +    pos = pathName.ReverseFind(WCHAR_PATH_SEPARATOR);
   1.350 +    if (pos < 0 || pos == 0)
   1.351 +      return false;
   1.352 +    if (pathName[pos - 1] == L':')
   1.353 +      return false;
   1.354 +    pathName = pathName.Left(pos);
   1.355 +  }
   1.356 +  pathName = pathName2;
   1.357 +  while (pos < pathName.Length())
   1.358 +  {
   1.359 +    pos = pathName.Find(WCHAR_PATH_SEPARATOR, pos + 1);
   1.360 +    if (pos < 0)
   1.361 +      pos = pathName.Length();
   1.362 +    if (!MyCreateDirectory(pathName.Left(pos)))
   1.363 +      return false;
   1.364 +  }
   1.365 +  return true;
   1.366 +}
   1.367 +
   1.368 +#endif
   1.369 +
   1.370 +bool DeleteFileAlways(LPCTSTR name)
   1.371 +{
   1.372 +  if (!MySetFileAttributes(name, 0))
   1.373 +    return false;
   1.374 +  if (::DeleteFile(name))
   1.375 +    return true;
   1.376 +  #ifdef WIN_LONG_PATH2
   1.377 +  UString longPath;
   1.378 +  if (GetLongPath(name, longPath))
   1.379 +    return BOOLToBool(::DeleteFileW(longPath));
   1.380 +  #endif
   1.381 +  return false;
   1.382 +}
   1.383 +
   1.384 +#ifndef _UNICODE
   1.385 +bool DeleteFileAlways(LPCWSTR name)
   1.386 +{
   1.387 +  if (!g_IsNT)
   1.388 +    return DeleteFileAlways(GetSysPath(name));
   1.389 +  if (!MySetFileAttributes(name, 0))
   1.390 +    return false;
   1.391 +  if (::DeleteFileW(name))
   1.392 +    return true;
   1.393 +  #ifdef WIN_LONG_PATH
   1.394 +  UString longPath;
   1.395 +  if (GetLongPath(name, longPath))
   1.396 +    return BOOLToBool(::DeleteFileW(longPath));
   1.397 +  #endif
   1.398 +  return false;
   1.399 +}
   1.400 +#endif
   1.401 +
   1.402 +static bool RemoveDirectorySubItems2(const CSysString pathPrefix, const NFind::CFileInfo &fileInfo)
   1.403 +{
   1.404 +  if (fileInfo.IsDir())
   1.405 +    return RemoveDirectoryWithSubItems(pathPrefix + fileInfo.Name);
   1.406 +  return DeleteFileAlways(pathPrefix + fileInfo.Name);
   1.407 +}
   1.408 +
   1.409 +bool RemoveDirectoryWithSubItems(const CSysString &path)
   1.410 +{
   1.411 +  NFind::CFileInfo fileInfo;
   1.412 +  CSysString pathPrefix = path + NName::kDirDelimiter;
   1.413 +  {
   1.414 +    NFind::CEnumerator enumerator(pathPrefix + TCHAR(NName::kAnyStringWildcard));
   1.415 +    while (enumerator.Next(fileInfo))
   1.416 +      if (!RemoveDirectorySubItems2(pathPrefix, fileInfo))
   1.417 +        return false;
   1.418 +  }
   1.419 +  if (!MySetFileAttributes(path, 0))
   1.420 +    return false;
   1.421 +  return MyRemoveDirectory(path);
   1.422 +}
   1.423 +
   1.424 +#ifndef _UNICODE
   1.425 +static bool RemoveDirectorySubItems2(const UString pathPrefix, const NFind::CFileInfoW &fileInfo)
   1.426 +{
   1.427 +  if (fileInfo.IsDir())
   1.428 +    return RemoveDirectoryWithSubItems(pathPrefix + fileInfo.Name);
   1.429 +  return DeleteFileAlways(pathPrefix + fileInfo.Name);
   1.430 +}
   1.431 +bool RemoveDirectoryWithSubItems(const UString &path)
   1.432 +{
   1.433 +  NFind::CFileInfoW fileInfo;
   1.434 +  UString pathPrefix = path + UString(NName::kDirDelimiter);
   1.435 +  {
   1.436 +    NFind::CEnumeratorW enumerator(pathPrefix + UString(NName::kAnyStringWildcard));
   1.437 +    while (enumerator.Next(fileInfo))
   1.438 +      if (!RemoveDirectorySubItems2(pathPrefix, fileInfo))
   1.439 +        return false;
   1.440 +  }
   1.441 +  if (!MySetFileAttributes(path, 0))
   1.442 +    return false;
   1.443 +  return MyRemoveDirectory(path);
   1.444 +}
   1.445 +#endif
   1.446 +
   1.447 +#ifndef _WIN32_WCE
   1.448 +
   1.449 +bool MyGetShortPathName(LPCTSTR longPath, CSysString &shortPath)
   1.450 +{
   1.451 +  DWORD needLength = ::GetShortPathName(longPath, shortPath.GetBuffer(MAX_PATH + 1), MAX_PATH + 1);
   1.452 +  shortPath.ReleaseBuffer();
   1.453 +  return (needLength > 0 && needLength < MAX_PATH);
   1.454 +}
   1.455 +
   1.456 +bool MyGetFullPathName(LPCTSTR fileName, CSysString &resultPath, int &fileNamePartStartIndex)
   1.457 +{
   1.458 +  resultPath.Empty();
   1.459 +  LPTSTR fileNamePointer = 0;
   1.460 +  LPTSTR buffer = resultPath.GetBuffer(MAX_PATH);
   1.461 +  DWORD needLength = ::GetFullPathName(fileName, MAX_PATH + 1, buffer, &fileNamePointer);
   1.462 +  resultPath.ReleaseBuffer();
   1.463 +  if (needLength == 0)
   1.464 +    return false;
   1.465 +  if (needLength >= MAX_PATH)
   1.466 +  {
   1.467 +    #ifdef WIN_LONG_PATH2
   1.468 +    needLength++;
   1.469 +    buffer = resultPath.GetBuffer(needLength + 1);
   1.470 +    DWORD needLength2 = ::GetFullPathNameW(fileName, needLength, buffer, &fileNamePointer);
   1.471 +    resultPath.ReleaseBuffer();
   1.472 +    if (needLength2 == 0 || needLength2 > needLength)
   1.473 +    #endif
   1.474 +      return false;
   1.475 +  }
   1.476 +  if (fileNamePointer == 0)
   1.477 +    fileNamePartStartIndex = lstrlen(fileName);
   1.478 +  else
   1.479 +    fileNamePartStartIndex = (int)(fileNamePointer - buffer);
   1.480 +  return true;
   1.481 +}
   1.482 +
   1.483 +#ifndef _UNICODE
   1.484 +bool MyGetFullPathName(LPCWSTR fileName, UString &resultPath, int &fileNamePartStartIndex)
   1.485 +{
   1.486 +  resultPath.Empty();
   1.487 +  if (g_IsNT)
   1.488 +  {
   1.489 +    LPWSTR fileNamePointer = 0;
   1.490 +    LPWSTR buffer = resultPath.GetBuffer(MAX_PATH);
   1.491 +    DWORD needLength = ::GetFullPathNameW(fileName, MAX_PATH + 1, buffer, &fileNamePointer);
   1.492 +    resultPath.ReleaseBuffer();
   1.493 +    if (needLength == 0)
   1.494 +      return false;
   1.495 +    if (needLength >= MAX_PATH)
   1.496 +    {
   1.497 +      #ifdef WIN_LONG_PATH
   1.498 +      needLength++;
   1.499 +      buffer = resultPath.GetBuffer(needLength + 1);
   1.500 +      DWORD needLength2 = ::GetFullPathNameW(fileName, needLength, buffer, &fileNamePointer);
   1.501 +      resultPath.ReleaseBuffer();
   1.502 +      if (needLength2 == 0 || needLength2 > needLength)
   1.503 +      #endif
   1.504 +        return false;
   1.505 +    }
   1.506 +    if (fileNamePointer == 0)
   1.507 +      fileNamePartStartIndex = MyStringLen(fileName);
   1.508 +    else
   1.509 +      fileNamePartStartIndex = (int)(fileNamePointer - buffer);
   1.510 +  }
   1.511 +  else
   1.512 +  {
   1.513 +    CSysString sysPath;
   1.514 +    if (!MyGetFullPathName(GetSysPath(fileName), sysPath, fileNamePartStartIndex))
   1.515 +      return false;
   1.516 +    UString resultPath1 = GetUnicodePath(sysPath.Left(fileNamePartStartIndex));
   1.517 +    UString resultPath2 = GetUnicodePath(sysPath.Mid(fileNamePartStartIndex));
   1.518 +    fileNamePartStartIndex = resultPath1.Length();
   1.519 +    resultPath = resultPath1 + resultPath2;
   1.520 +  }
   1.521 +  return true;
   1.522 +}
   1.523 +#endif
   1.524 +
   1.525 +
   1.526 +bool MyGetFullPathName(LPCTSTR fileName, CSysString &path)
   1.527 +{
   1.528 +  int index;
   1.529 +  return MyGetFullPathName(fileName, path, index);
   1.530 +}
   1.531 +
   1.532 +#ifndef _UNICODE
   1.533 +bool MyGetFullPathName(LPCWSTR fileName, UString &path)
   1.534 +{
   1.535 +  int index;
   1.536 +  return MyGetFullPathName(fileName, path, index);
   1.537 +}
   1.538 +#endif
   1.539 +
   1.540 +bool GetOnlyName(LPCTSTR fileName, CSysString &resultName)
   1.541 +{
   1.542 +  int index;
   1.543 +  if (!MyGetFullPathName(fileName, resultName, index))
   1.544 +    return false;
   1.545 +  resultName = resultName.Mid(index);
   1.546 +  return true;
   1.547 +}
   1.548 +
   1.549 +#ifndef _UNICODE
   1.550 +bool GetOnlyName(LPCWSTR fileName, UString &resultName)
   1.551 +{
   1.552 +  int index;
   1.553 +  if (!MyGetFullPathName(fileName, resultName, index))
   1.554 +    return false;
   1.555 +  resultName = resultName.Mid(index);
   1.556 +  return true;
   1.557 +}
   1.558 +#endif
   1.559 +
   1.560 +bool GetOnlyDirPrefix(LPCTSTR fileName, CSysString &resultName)
   1.561 +{
   1.562 +  int index;
   1.563 +  if (!MyGetFullPathName(fileName, resultName, index))
   1.564 +    return false;
   1.565 +  resultName = resultName.Left(index);
   1.566 +  return true;
   1.567 +}
   1.568 +
   1.569 +#ifndef _UNICODE
   1.570 +bool GetOnlyDirPrefix(LPCWSTR fileName, UString &resultName)
   1.571 +{
   1.572 +  int index;
   1.573 +  if (!MyGetFullPathName(fileName, resultName, index))
   1.574 +    return false;
   1.575 +  resultName = resultName.Left(index);
   1.576 +  return true;
   1.577 +}
   1.578 +#endif
   1.579 +
   1.580 +bool MyGetCurrentDirectory(CSysString &path)
   1.581 +{
   1.582 +  DWORD needLength = ::GetCurrentDirectory(MAX_PATH + 1, path.GetBuffer(MAX_PATH + 1));
   1.583 +  path.ReleaseBuffer();
   1.584 +  return (needLength > 0 && needLength <= MAX_PATH);
   1.585 +}
   1.586 +
   1.587 +#ifndef _UNICODE
   1.588 +bool MySetCurrentDirectory(LPCWSTR path)
   1.589 +{
   1.590 +  if (g_IsNT)
   1.591 +    return BOOLToBool(::SetCurrentDirectoryW(path));
   1.592 +  return MySetCurrentDirectory(GetSysPath(path));
   1.593 +}
   1.594 +bool MyGetCurrentDirectory(UString &path)
   1.595 +{
   1.596 +  if (g_IsNT)
   1.597 +  {
   1.598 +    DWORD needLength = ::GetCurrentDirectoryW(MAX_PATH + 1, path.GetBuffer(MAX_PATH + 1));
   1.599 +    path.ReleaseBuffer();
   1.600 +    return (needLength > 0 && needLength <= MAX_PATH);
   1.601 +  }
   1.602 +  CSysString sysPath;
   1.603 +  if (!MyGetCurrentDirectory(sysPath))
   1.604 +    return false;
   1.605 +  path = GetUnicodePath(sysPath);
   1.606 +  return true;
   1.607 +}
   1.608 +#endif
   1.609 +#endif
   1.610 +
   1.611 +bool MySearchPath(LPCTSTR path, LPCTSTR fileName, LPCTSTR extension,
   1.612 +  CSysString &resultPath, UINT32 &filePart)
   1.613 +{
   1.614 +  LPTSTR filePartPointer;
   1.615 +  DWORD value = ::SearchPath(path, fileName, extension,
   1.616 +    MAX_PATH, resultPath.GetBuffer(MAX_PATH + 1), &filePartPointer);
   1.617 +  filePart = (UINT32)(filePartPointer - (LPCTSTR)resultPath);
   1.618 +  resultPath.ReleaseBuffer();
   1.619 +  return (value > 0 && value <= MAX_PATH);
   1.620 +}
   1.621 +
   1.622 +#ifndef _UNICODE
   1.623 +bool MySearchPath(LPCWSTR path, LPCWSTR fileName, LPCWSTR extension,
   1.624 +  UString &resultPath, UINT32 &filePart)
   1.625 +{
   1.626 +  if (g_IsNT)
   1.627 +  {
   1.628 +    LPWSTR filePartPointer = 0;
   1.629 +    DWORD value = ::SearchPathW(path, fileName, extension,
   1.630 +        MAX_PATH, resultPath.GetBuffer(MAX_PATH + 1), &filePartPointer);
   1.631 +    filePart = (UINT32)(filePartPointer - (LPCWSTR)resultPath);
   1.632 +    resultPath.ReleaseBuffer();
   1.633 +    return (value > 0 && value <= MAX_PATH);
   1.634 +  }
   1.635 +  
   1.636 +  CSysString sysPath;
   1.637 +  if (!MySearchPath(
   1.638 +      path != 0 ? (LPCTSTR)GetSysPath(path): 0,
   1.639 +      fileName != 0 ? (LPCTSTR)GetSysPath(fileName): 0,
   1.640 +      extension != 0 ? (LPCTSTR)GetSysPath(extension): 0,
   1.641 +      sysPath, filePart))
   1.642 +    return false;
   1.643 +  UString resultPath1 = GetUnicodePath(sysPath.Left(filePart));
   1.644 +  UString resultPath2 = GetUnicodePath(sysPath.Mid(filePart));
   1.645 +  filePart = resultPath1.Length();
   1.646 +  resultPath = resultPath1 + resultPath2;
   1.647 +  return true;
   1.648 +}
   1.649 +#endif
   1.650 +
   1.651 +bool MyGetTempPath(CSysString &path)
   1.652 +{
   1.653 +  DWORD needLength = ::GetTempPath(MAX_PATH + 1, path.GetBuffer(MAX_PATH + 1));
   1.654 +  path.ReleaseBuffer();
   1.655 +  return (needLength > 0 && needLength <= MAX_PATH);
   1.656 +}
   1.657 +
   1.658 +#ifndef _UNICODE
   1.659 +bool MyGetTempPath(UString &path)
   1.660 +{
   1.661 +  path.Empty();
   1.662 +  if (g_IsNT)
   1.663 +  {
   1.664 +    DWORD needLength = ::GetTempPathW(MAX_PATH + 1, path.GetBuffer(MAX_PATH + 1));
   1.665 +    path.ReleaseBuffer();
   1.666 +    return (needLength > 0 && needLength <= MAX_PATH);
   1.667 +  }
   1.668 +  CSysString sysPath;
   1.669 +  if (!MyGetTempPath(sysPath))
   1.670 +    return false;
   1.671 +  path = GetUnicodePath(sysPath);
   1.672 +  return true;
   1.673 +}
   1.674 +#endif
   1.675 +
   1.676 +UINT MyGetTempFileName(LPCTSTR dirPath, LPCTSTR prefix, CSysString &path)
   1.677 +{
   1.678 +  UINT number = ::GetTempFileName(dirPath, prefix, 0, path.GetBuffer(MAX_PATH + 1));
   1.679 +  path.ReleaseBuffer();
   1.680 +  return number;
   1.681 +}
   1.682 +
   1.683 +#ifndef _UNICODE
   1.684 +UINT MyGetTempFileName(LPCWSTR dirPath, LPCWSTR prefix, UString &path)
   1.685 +{
   1.686 +  if (g_IsNT)
   1.687 +  {
   1.688 +    UINT number = ::GetTempFileNameW(dirPath, prefix, 0, path.GetBuffer(MAX_PATH));
   1.689 +    path.ReleaseBuffer();
   1.690 +    return number;
   1.691 +  }
   1.692 +  CSysString sysPath;
   1.693 +  UINT number = MyGetTempFileName(
   1.694 +      dirPath ? (LPCTSTR)GetSysPath(dirPath): 0,
   1.695 +      prefix ? (LPCTSTR)GetSysPath(prefix): 0,
   1.696 +      sysPath);
   1.697 +  path = GetUnicodePath(sysPath);
   1.698 +  return number;
   1.699 +}
   1.700 +#endif
   1.701 +
   1.702 +UINT CTempFile::Create(LPCTSTR dirPath, LPCTSTR prefix, CSysString &resultPath)
   1.703 +{
   1.704 +  Remove();
   1.705 +  UINT number = MyGetTempFileName(dirPath, prefix, resultPath);
   1.706 +  if (number != 0)
   1.707 +  {
   1.708 +    _fileName = resultPath;
   1.709 +    _mustBeDeleted = true;
   1.710 +  }
   1.711 +  return number;
   1.712 +}
   1.713 +
   1.714 +bool CTempFile::Create(LPCTSTR prefix, CSysString &resultPath)
   1.715 +{
   1.716 +  CSysString tempPath;
   1.717 +  if (!MyGetTempPath(tempPath))
   1.718 +    return false;
   1.719 +  if (Create(tempPath, prefix, resultPath) != 0)
   1.720 +    return true;
   1.721 +  if (!MyGetWindowsDirectory(tempPath))
   1.722 +    return false;
   1.723 +  return (Create(tempPath, prefix, resultPath) != 0);
   1.724 +}
   1.725 +
   1.726 +bool CTempFile::Remove()
   1.727 +{
   1.728 +  if (!_mustBeDeleted)
   1.729 +    return true;
   1.730 +  _mustBeDeleted = !DeleteFileAlways(_fileName);
   1.731 +  return !_mustBeDeleted;
   1.732 +}
   1.733 +
   1.734 +#ifndef _UNICODE
   1.735 +
   1.736 +UINT CTempFileW::Create(LPCWSTR dirPath, LPCWSTR prefix, UString &resultPath)
   1.737 +{
   1.738 +  Remove();
   1.739 +  UINT number = MyGetTempFileName(dirPath, prefix, resultPath);
   1.740 +  if (number != 0)
   1.741 +  {
   1.742 +    _fileName = resultPath;
   1.743 +    _mustBeDeleted = true;
   1.744 +  }
   1.745 +  return number;
   1.746 +}
   1.747 +
   1.748 +bool CTempFileW::Create(LPCWSTR prefix, UString &resultPath)
   1.749 +{
   1.750 +  UString tempPath;
   1.751 +  if (!MyGetTempPath(tempPath))
   1.752 +    return false;
   1.753 +  if (Create(tempPath, prefix, resultPath) != 0)
   1.754 +    return true;
   1.755 +  if (!MyGetWindowsDirectory(tempPath))
   1.756 +    return false;
   1.757 +  return (Create(tempPath, prefix, resultPath) != 0);
   1.758 +}
   1.759 +
   1.760 +bool CTempFileW::Remove()
   1.761 +{
   1.762 +  if (!_mustBeDeleted)
   1.763 +    return true;
   1.764 +  _mustBeDeleted = !DeleteFileAlways(_fileName);
   1.765 +  return !_mustBeDeleted;
   1.766 +}
   1.767 +
   1.768 +#endif
   1.769 +
   1.770 +bool CreateTempDirectory(LPCTSTR prefix, CSysString &dirName)
   1.771 +{
   1.772 +  /*
   1.773 +  CSysString prefix = tempPath + prefixChars;
   1.774 +  CRandom random;
   1.775 +  random.Init();
   1.776 +  */
   1.777 +  for (;;)
   1.778 +  {
   1.779 +    CTempFile tempFile;
   1.780 +    if (!tempFile.Create(prefix, dirName))
   1.781 +      return false;
   1.782 +    if (!::DeleteFile(dirName))
   1.783 +      return false;
   1.784 +    /*
   1.785 +    UINT32 randomNumber = random.Generate();
   1.786 +    TCHAR randomNumberString[32];
   1.787 +    _stprintf(randomNumberString, _T("%04X"), randomNumber);
   1.788 +    dirName = prefix + randomNumberString;
   1.789 +    */
   1.790 +    if (NFind::DoesFileExist(dirName))
   1.791 +      continue;
   1.792 +    if (MyCreateDirectory(dirName))
   1.793 +      return true;
   1.794 +    if (::GetLastError() != ERROR_ALREADY_EXISTS)
   1.795 +      return false;
   1.796 +  }
   1.797 +}
   1.798 +
   1.799 +bool CTempDirectory::Create(LPCTSTR prefix)
   1.800 +{
   1.801 +  Remove();
   1.802 +  return (_mustBeDeleted = CreateTempDirectory(prefix, _tempDir));
   1.803 +}
   1.804 +
   1.805 +#ifndef _UNICODE
   1.806 +
   1.807 +bool CreateTempDirectory(LPCWSTR prefix, UString &dirName)
   1.808 +{
   1.809 +  /*
   1.810 +  CSysString prefix = tempPath + prefixChars;
   1.811 +  CRandom random;
   1.812 +  random.Init();
   1.813 +  */
   1.814 +  for (;;)
   1.815 +  {
   1.816 +    CTempFileW tempFile;
   1.817 +    if (!tempFile.Create(prefix, dirName))
   1.818 +      return false;
   1.819 +    if (!DeleteFileAlways(dirName))
   1.820 +      return false;
   1.821 +    /*
   1.822 +    UINT32 randomNumber = random.Generate();
   1.823 +    TCHAR randomNumberString[32];
   1.824 +    _stprintf(randomNumberString, _T("%04X"), randomNumber);
   1.825 +    dirName = prefix + randomNumberString;
   1.826 +    */
   1.827 +    if (NFind::DoesFileExist(dirName))
   1.828 +      continue;
   1.829 +    if (MyCreateDirectory(dirName))
   1.830 +      return true;
   1.831 +    if (::GetLastError() != ERROR_ALREADY_EXISTS)
   1.832 +      return false;
   1.833 +  }
   1.834 +}
   1.835 +
   1.836 +bool CTempDirectoryW::Create(LPCWSTR prefix)
   1.837 +{
   1.838 +  Remove();
   1.839 +  return (_mustBeDeleted = CreateTempDirectory(prefix, _tempDir));
   1.840 +}
   1.841 +
   1.842 +#endif
   1.843 +
   1.844 +}}}