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| 1 // Windows/FileDir.cpp | |
| 2 | |
| 3 #include "StdAfx.h" | |
| 4 | |
| 5 #include "FileDir.h" | |
| 6 #include "FileName.h" | |
| 7 #include "FileFind.h" | |
| 8 #include "Defs.h" | |
| 9 #ifndef _UNICODE | |
| 10 #include "../Common/StringConvert.h" | |
| 11 #endif | |
| 12 | |
| 13 #ifndef _UNICODE | |
| 14 extern bool g_IsNT; | |
| 15 #endif | |
| 16 | |
| 17 namespace NWindows { | |
| 18 namespace NFile { | |
| 19 | |
| 20 #if defined(WIN_LONG_PATH) && defined(_UNICODE) | |
| 21 #define WIN_LONG_PATH2 | |
| 22 #endif | |
| 23 | |
| 24 // SetCurrentDirectory doesn't support \\?\ prefix | |
| 25 | |
| 26 #ifdef WIN_LONG_PATH | |
| 27 bool GetLongPathBase(LPCWSTR fileName, UString &res); | |
| 28 bool GetLongPath(LPCWSTR fileName, UString &res); | |
| 29 #endif | |
| 30 | |
| 31 namespace NDirectory { | |
| 32 | |
| 33 #ifndef _UNICODE | |
| 34 static inline UINT GetCurrentCodePage() { return ::AreFileApisANSI() ? CP_ACP :
CP_OEMCP; } | |
| 35 static UString GetUnicodePath(const CSysString &sysPath) | |
| 36 { return MultiByteToUnicodeString(sysPath, GetCurrentCodePage()); } | |
| 37 static CSysString GetSysPath(LPCWSTR sysPath) | |
| 38 { return UnicodeStringToMultiByte(sysPath, GetCurrentCodePage()); } | |
| 39 #endif | |
| 40 | |
| 41 bool MyGetWindowsDirectory(CSysString &path) | |
| 42 { | |
| 43 UINT needLength = ::GetWindowsDirectory(path.GetBuffer(MAX_PATH + 1), MAX_PATH
+ 1); | |
| 44 path.ReleaseBuffer(); | |
| 45 return (needLength > 0 && needLength <= MAX_PATH); | |
| 46 } | |
| 47 | |
| 48 bool MyGetSystemDirectory(CSysString &path) | |
| 49 { | |
| 50 UINT needLength = ::GetSystemDirectory(path.GetBuffer(MAX_PATH + 1), MAX_PATH
+ 1); | |
| 51 path.ReleaseBuffer(); | |
| 52 return (needLength > 0 && needLength <= MAX_PATH); | |
| 53 } | |
| 54 | |
| 55 #ifndef _UNICODE | |
| 56 bool MyGetWindowsDirectory(UString &path) | |
| 57 { | |
| 58 if (g_IsNT) | |
| 59 { | |
| 60 UINT needLength = ::GetWindowsDirectoryW(path.GetBuffer(MAX_PATH + 1), MAX_P
ATH + 1); | |
| 61 path.ReleaseBuffer(); | |
| 62 return (needLength > 0 && needLength <= MAX_PATH); | |
| 63 } | |
| 64 CSysString sysPath; | |
| 65 if (!MyGetWindowsDirectory(sysPath)) | |
| 66 return false; | |
| 67 path = GetUnicodePath(sysPath); | |
| 68 return true; | |
| 69 } | |
| 70 | |
| 71 bool MyGetSystemDirectory(UString &path) | |
| 72 { | |
| 73 if (g_IsNT) | |
| 74 { | |
| 75 UINT needLength = ::GetSystemDirectoryW(path.GetBuffer(MAX_PATH + 1), MAX_PA
TH + 1); | |
| 76 path.ReleaseBuffer(); | |
| 77 return (needLength > 0 && needLength <= MAX_PATH); | |
| 78 } | |
| 79 CSysString sysPath; | |
| 80 if (!MyGetSystemDirectory(sysPath)) | |
| 81 return false; | |
| 82 path = GetUnicodePath(sysPath); | |
| 83 return true; | |
| 84 } | |
| 85 #endif | |
| 86 | |
| 87 bool SetDirTime(LPCWSTR fileName, const FILETIME *cTime, const FILETIME *aTime,
const FILETIME *mTime) | |
| 88 { | |
| 89 #ifndef _UNICODE | |
| 90 if (!g_IsNT) | |
| 91 { | |
| 92 ::SetLastError(ERROR_CALL_NOT_IMPLEMENTED); | |
| 93 return false; | |
| 94 } | |
| 95 #endif | |
| 96 HANDLE hDir = ::CreateFileW(fileName, GENERIC_WRITE, | |
| 97 FILE_SHARE_READ | FILE_SHARE_WRITE, | |
| 98 NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL); | |
| 99 #ifdef WIN_LONG_PATH | |
| 100 if (hDir == INVALID_HANDLE_VALUE) | |
| 101 { | |
| 102 UString longPath; | |
| 103 if (GetLongPath(fileName, longPath)) | |
| 104 hDir = ::CreateFileW(longPath, GENERIC_WRITE, | |
| 105 FILE_SHARE_READ | FILE_SHARE_WRITE, | |
| 106 NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL); | |
| 107 } | |
| 108 #endif | |
| 109 | |
| 110 bool res = false; | |
| 111 if (hDir != INVALID_HANDLE_VALUE) | |
| 112 { | |
| 113 res = BOOLToBool(::SetFileTime(hDir, cTime, aTime, mTime)); | |
| 114 ::CloseHandle(hDir); | |
| 115 } | |
| 116 return res; | |
| 117 } | |
| 118 | |
| 119 bool MySetFileAttributes(LPCTSTR fileName, DWORD fileAttributes) | |
| 120 { | |
| 121 if (::SetFileAttributes(fileName, fileAttributes)) | |
| 122 return true; | |
| 123 #ifdef WIN_LONG_PATH2 | |
| 124 UString longPath; | |
| 125 if (GetLongPath(fileName, longPath)) | |
| 126 return BOOLToBool(::SetFileAttributesW(longPath, fileAttributes)); | |
| 127 #endif | |
| 128 return false; | |
| 129 } | |
| 130 | |
| 131 bool MyRemoveDirectory(LPCTSTR pathName) | |
| 132 { | |
| 133 if (::RemoveDirectory(pathName)) | |
| 134 return true; | |
| 135 #ifdef WIN_LONG_PATH2 | |
| 136 UString longPath; | |
| 137 if (GetLongPath(pathName, longPath)) | |
| 138 return BOOLToBool(::RemoveDirectoryW(longPath)); | |
| 139 #endif | |
| 140 return false; | |
| 141 } | |
| 142 | |
| 143 #ifdef WIN_LONG_PATH | |
| 144 bool GetLongPaths(LPCWSTR s1, LPCWSTR s2, UString &d1, UString &d2) | |
| 145 { | |
| 146 if (!GetLongPathBase(s1, d1) || !GetLongPathBase(s2, d2)) | |
| 147 return false; | |
| 148 if (d1.IsEmpty() && d2.IsEmpty()) return false; | |
| 149 if (d1.IsEmpty()) d1 = s1; | |
| 150 if (d2.IsEmpty()) d2 = s2; | |
| 151 return true; | |
| 152 } | |
| 153 #endif | |
| 154 | |
| 155 bool MyMoveFile(LPCTSTR existFileName, LPCTSTR newFileName) | |
| 156 { | |
| 157 if (::MoveFile(existFileName, newFileName)) | |
| 158 return true; | |
| 159 #ifdef WIN_LONG_PATH2 | |
| 160 UString d1, d2; | |
| 161 if (GetLongPaths(existFileName, newFileName, d1, d2)) | |
| 162 return BOOLToBool(::MoveFileW(d1, d2)); | |
| 163 #endif | |
| 164 return false; | |
| 165 } | |
| 166 | |
| 167 #ifndef _UNICODE | |
| 168 bool MySetFileAttributes(LPCWSTR fileName, DWORD fileAttributes) | |
| 169 { | |
| 170 if (!g_IsNT) | |
| 171 return MySetFileAttributes(GetSysPath(fileName), fileAttributes); | |
| 172 if (::SetFileAttributesW(fileName, fileAttributes)) | |
| 173 return true; | |
| 174 #ifdef WIN_LONG_PATH | |
| 175 UString longPath; | |
| 176 if (GetLongPath(fileName, longPath)) | |
| 177 return BOOLToBool(::SetFileAttributesW(longPath, fileAttributes)); | |
| 178 #endif | |
| 179 return false; | |
| 180 } | |
| 181 | |
| 182 | |
| 183 bool MyRemoveDirectory(LPCWSTR pathName) | |
| 184 { | |
| 185 if (!g_IsNT) | |
| 186 return MyRemoveDirectory(GetSysPath(pathName)); | |
| 187 if (::RemoveDirectoryW(pathName)) | |
| 188 return true; | |
| 189 #ifdef WIN_LONG_PATH | |
| 190 UString longPath; | |
| 191 if (GetLongPath(pathName, longPath)) | |
| 192 return BOOLToBool(::RemoveDirectoryW(longPath)); | |
| 193 #endif | |
| 194 return false; | |
| 195 } | |
| 196 | |
| 197 bool MyMoveFile(LPCWSTR existFileName, LPCWSTR newFileName) | |
| 198 { | |
| 199 if (!g_IsNT) | |
| 200 return MyMoveFile(GetSysPath(existFileName), GetSysPath(newFileName)); | |
| 201 if (::MoveFileW(existFileName, newFileName)) | |
| 202 return true; | |
| 203 #ifdef WIN_LONG_PATH | |
| 204 UString d1, d2; | |
| 205 if (GetLongPaths(existFileName, newFileName, d1, d2)) | |
| 206 return BOOLToBool(::MoveFileW(d1, d2)); | |
| 207 #endif | |
| 208 return false; | |
| 209 } | |
| 210 #endif | |
| 211 | |
| 212 bool MyCreateDirectory(LPCTSTR pathName) | |
| 213 { | |
| 214 if (::CreateDirectory(pathName, NULL)) | |
| 215 return true; | |
| 216 #ifdef WIN_LONG_PATH2 | |
| 217 if (::GetLastError() != ERROR_ALREADY_EXISTS) | |
| 218 { | |
| 219 UString longPath; | |
| 220 if (GetLongPath(pathName, longPath)) | |
| 221 return BOOLToBool(::CreateDirectoryW(longPath, NULL)); | |
| 222 } | |
| 223 #endif | |
| 224 return false; | |
| 225 } | |
| 226 | |
| 227 #ifndef _UNICODE | |
| 228 bool MyCreateDirectory(LPCWSTR pathName) | |
| 229 { | |
| 230 if (!g_IsNT) | |
| 231 return MyCreateDirectory(GetSysPath(pathName)); | |
| 232 if (::CreateDirectoryW(pathName, NULL)) | |
| 233 return true; | |
| 234 #ifdef WIN_LONG_PATH | |
| 235 if (::GetLastError() != ERROR_ALREADY_EXISTS) | |
| 236 { | |
| 237 UString longPath; | |
| 238 if (GetLongPath(pathName, longPath)) | |
| 239 return BOOLToBool(::CreateDirectoryW(longPath, NULL)); | |
| 240 } | |
| 241 #endif | |
| 242 return false; | |
| 243 } | |
| 244 #endif | |
| 245 | |
| 246 /* | |
| 247 bool CreateComplexDirectory(LPCTSTR pathName) | |
| 248 { | |
| 249 NName::CParsedPath path; | |
| 250 path.ParsePath(pathName); | |
| 251 CSysString fullPath = path.Prefix; | |
| 252 DWORD errorCode = ERROR_SUCCESS; | |
| 253 for (int i = 0; i < path.PathParts.Size(); i++) | |
| 254 { | |
| 255 const CSysString &string = path.PathParts[i]; | |
| 256 if (string.IsEmpty()) | |
| 257 { | |
| 258 if (i != path.PathParts.Size() - 1) | |
| 259 return false; | |
| 260 return true; | |
| 261 } | |
| 262 fullPath += path.PathParts[i]; | |
| 263 if (!MyCreateDirectory(fullPath)) | |
| 264 { | |
| 265 DWORD errorCode = GetLastError(); | |
| 266 if (errorCode != ERROR_ALREADY_EXISTS) | |
| 267 return false; | |
| 268 } | |
| 269 fullPath += NName::kDirDelimiter; | |
| 270 } | |
| 271 return true; | |
| 272 } | |
| 273 */ | |
| 274 | |
| 275 bool CreateComplexDirectory(LPCTSTR _aPathName) | |
| 276 { | |
| 277 CSysString pathName = _aPathName; | |
| 278 int pos = pathName.ReverseFind(TEXT(CHAR_PATH_SEPARATOR)); | |
| 279 if (pos > 0 && pos == pathName.Length() - 1) | |
| 280 { | |
| 281 if (pathName.Length() == 3 && pathName[1] == ':') | |
| 282 return true; // Disk folder; | |
| 283 pathName.Delete(pos); | |
| 284 } | |
| 285 CSysString pathName2 = pathName; | |
| 286 pos = pathName.Length(); | |
| 287 for (;;) | |
| 288 { | |
| 289 if (MyCreateDirectory(pathName)) | |
| 290 break; | |
| 291 if (::GetLastError() == ERROR_ALREADY_EXISTS) | |
| 292 { | |
| 293 NFind::CFileInfo fileInfo; | |
| 294 if (!NFind::FindFile(pathName, fileInfo)) // For network folders | |
| 295 return true; | |
| 296 if (!fileInfo.IsDir()) | |
| 297 return false; | |
| 298 break; | |
| 299 } | |
| 300 pos = pathName.ReverseFind(TEXT(CHAR_PATH_SEPARATOR)); | |
| 301 if (pos < 0 || pos == 0) | |
| 302 return false; | |
| 303 if (pathName[pos - 1] == ':') | |
| 304 return false; | |
| 305 pathName = pathName.Left(pos); | |
| 306 } | |
| 307 pathName = pathName2; | |
| 308 while (pos < pathName.Length()) | |
| 309 { | |
| 310 pos = pathName.Find(TEXT(CHAR_PATH_SEPARATOR), pos + 1); | |
| 311 if (pos < 0) | |
| 312 pos = pathName.Length(); | |
| 313 if (!MyCreateDirectory(pathName.Left(pos))) | |
| 314 return false; | |
| 315 } | |
| 316 return true; | |
| 317 } | |
| 318 | |
| 319 #ifndef _UNICODE | |
| 320 | |
| 321 bool CreateComplexDirectory(LPCWSTR _aPathName) | |
| 322 { | |
| 323 UString pathName = _aPathName; | |
| 324 int pos = pathName.ReverseFind(WCHAR_PATH_SEPARATOR); | |
| 325 if (pos > 0 && pos == pathName.Length() - 1) | |
| 326 { | |
| 327 if (pathName.Length() == 3 && pathName[1] == L':') | |
| 328 return true; // Disk folder; | |
| 329 pathName.Delete(pos); | |
| 330 } | |
| 331 UString pathName2 = pathName; | |
| 332 pos = pathName.Length(); | |
| 333 for (;;) | |
| 334 { | |
| 335 if (MyCreateDirectory(pathName)) | |
| 336 break; | |
| 337 if (::GetLastError() == ERROR_ALREADY_EXISTS) | |
| 338 { | |
| 339 NFind::CFileInfoW fileInfo; | |
| 340 if (!NFind::FindFile(pathName, fileInfo)) // For network folders | |
| 341 return true; | |
| 342 if (!fileInfo.IsDir()) | |
| 343 return false; | |
| 344 break; | |
| 345 } | |
| 346 pos = pathName.ReverseFind(WCHAR_PATH_SEPARATOR); | |
| 347 if (pos < 0 || pos == 0) | |
| 348 return false; | |
| 349 if (pathName[pos - 1] == L':') | |
| 350 return false; | |
| 351 pathName = pathName.Left(pos); | |
| 352 } | |
| 353 pathName = pathName2; | |
| 354 while (pos < pathName.Length()) | |
| 355 { | |
| 356 pos = pathName.Find(WCHAR_PATH_SEPARATOR, pos + 1); | |
| 357 if (pos < 0) | |
| 358 pos = pathName.Length(); | |
| 359 if (!MyCreateDirectory(pathName.Left(pos))) | |
| 360 return false; | |
| 361 } | |
| 362 return true; | |
| 363 } | |
| 364 | |
| 365 #endif | |
| 366 | |
| 367 bool DeleteFileAlways(LPCTSTR name) | |
| 368 { | |
| 369 if (!MySetFileAttributes(name, 0)) | |
| 370 return false; | |
| 371 if (::DeleteFile(name)) | |
| 372 return true; | |
| 373 #ifdef WIN_LONG_PATH2 | |
| 374 UString longPath; | |
| 375 if (GetLongPath(name, longPath)) | |
| 376 return BOOLToBool(::DeleteFileW(longPath)); | |
| 377 #endif | |
| 378 return false; | |
| 379 } | |
| 380 | |
| 381 #ifndef _UNICODE | |
| 382 bool DeleteFileAlways(LPCWSTR name) | |
| 383 { | |
| 384 if (!g_IsNT) | |
| 385 return DeleteFileAlways(GetSysPath(name)); | |
| 386 if (!MySetFileAttributes(name, 0)) | |
| 387 return false; | |
| 388 if (::DeleteFileW(name)) | |
| 389 return true; | |
| 390 #ifdef WIN_LONG_PATH | |
| 391 UString longPath; | |
| 392 if (GetLongPath(name, longPath)) | |
| 393 return BOOLToBool(::DeleteFileW(longPath)); | |
| 394 #endif | |
| 395 return false; | |
| 396 } | |
| 397 #endif | |
| 398 | |
| 399 static bool RemoveDirectorySubItems2(const CSysString pathPrefix, const NFind::C
FileInfo &fileInfo) | |
| 400 { | |
| 401 if (fileInfo.IsDir()) | |
| 402 return RemoveDirectoryWithSubItems(pathPrefix + fileInfo.Name); | |
| 403 return DeleteFileAlways(pathPrefix + fileInfo.Name); | |
| 404 } | |
| 405 | |
| 406 bool RemoveDirectoryWithSubItems(const CSysString &path) | |
| 407 { | |
| 408 NFind::CFileInfo fileInfo; | |
| 409 CSysString pathPrefix = path + NName::kDirDelimiter; | |
| 410 { | |
| 411 NFind::CEnumerator enumerator(pathPrefix + TCHAR(NName::kAnyStringWildcard))
; | |
| 412 while (enumerator.Next(fileInfo)) | |
| 413 if (!RemoveDirectorySubItems2(pathPrefix, fileInfo)) | |
| 414 return false; | |
| 415 } | |
| 416 if (!MySetFileAttributes(path, 0)) | |
| 417 return false; | |
| 418 return MyRemoveDirectory(path); | |
| 419 } | |
| 420 | |
| 421 #ifndef _UNICODE | |
| 422 static bool RemoveDirectorySubItems2(const UString pathPrefix, const NFind::CFil
eInfoW &fileInfo) | |
| 423 { | |
| 424 if (fileInfo.IsDir()) | |
| 425 return RemoveDirectoryWithSubItems(pathPrefix + fileInfo.Name); | |
| 426 return DeleteFileAlways(pathPrefix + fileInfo.Name); | |
| 427 } | |
| 428 bool RemoveDirectoryWithSubItems(const UString &path) | |
| 429 { | |
| 430 NFind::CFileInfoW fileInfo; | |
| 431 UString pathPrefix = path + UString(NName::kDirDelimiter); | |
| 432 { | |
| 433 NFind::CEnumeratorW enumerator(pathPrefix + UString(NName::kAnyStringWildcar
d)); | |
| 434 while (enumerator.Next(fileInfo)) | |
| 435 if (!RemoveDirectorySubItems2(pathPrefix, fileInfo)) | |
| 436 return false; | |
| 437 } | |
| 438 if (!MySetFileAttributes(path, 0)) | |
| 439 return false; | |
| 440 return MyRemoveDirectory(path); | |
| 441 } | |
| 442 #endif | |
| 443 | |
| 444 #ifndef _WIN32_WCE | |
| 445 | |
| 446 bool MyGetShortPathName(LPCTSTR longPath, CSysString &shortPath) | |
| 447 { | |
| 448 DWORD needLength = ::GetShortPathName(longPath, shortPath.GetBuffer(MAX_PATH +
1), MAX_PATH + 1); | |
| 449 shortPath.ReleaseBuffer(); | |
| 450 return (needLength > 0 && needLength < MAX_PATH); | |
| 451 } | |
| 452 | |
| 453 bool MyGetFullPathName(LPCTSTR fileName, CSysString &resultPath, int &fileNamePa
rtStartIndex) | |
| 454 { | |
| 455 resultPath.Empty(); | |
| 456 LPTSTR fileNamePointer = 0; | |
| 457 LPTSTR buffer = resultPath.GetBuffer(MAX_PATH); | |
| 458 DWORD needLength = ::GetFullPathName(fileName, MAX_PATH + 1, buffer, &fileName
Pointer); | |
| 459 resultPath.ReleaseBuffer(); | |
| 460 if (needLength == 0) | |
| 461 return false; | |
| 462 if (needLength >= MAX_PATH) | |
| 463 { | |
| 464 #ifdef WIN_LONG_PATH2 | |
| 465 needLength++; | |
| 466 buffer = resultPath.GetBuffer(needLength + 1); | |
| 467 DWORD needLength2 = ::GetFullPathNameW(fileName, needLength, buffer, &fileNa
mePointer); | |
| 468 resultPath.ReleaseBuffer(); | |
| 469 if (needLength2 == 0 || needLength2 > needLength) | |
| 470 #endif | |
| 471 return false; | |
| 472 } | |
| 473 if (fileNamePointer == 0) | |
| 474 fileNamePartStartIndex = lstrlen(fileName); | |
| 475 else | |
| 476 fileNamePartStartIndex = (int)(fileNamePointer - buffer); | |
| 477 return true; | |
| 478 } | |
| 479 | |
| 480 #ifndef _UNICODE | |
| 481 bool MyGetFullPathName(LPCWSTR fileName, UString &resultPath, int &fileNamePartS
tartIndex) | |
| 482 { | |
| 483 resultPath.Empty(); | |
| 484 if (g_IsNT) | |
| 485 { | |
| 486 LPWSTR fileNamePointer = 0; | |
| 487 LPWSTR buffer = resultPath.GetBuffer(MAX_PATH); | |
| 488 DWORD needLength = ::GetFullPathNameW(fileName, MAX_PATH + 1, buffer, &fileN
amePointer); | |
| 489 resultPath.ReleaseBuffer(); | |
| 490 if (needLength == 0) | |
| 491 return false; | |
| 492 if (needLength >= MAX_PATH) | |
| 493 { | |
| 494 #ifdef WIN_LONG_PATH | |
| 495 needLength++; | |
| 496 buffer = resultPath.GetBuffer(needLength + 1); | |
| 497 DWORD needLength2 = ::GetFullPathNameW(fileName, needLength, buffer, &file
NamePointer); | |
| 498 resultPath.ReleaseBuffer(); | |
| 499 if (needLength2 == 0 || needLength2 > needLength) | |
| 500 #endif | |
| 501 return false; | |
| 502 } | |
| 503 if (fileNamePointer == 0) | |
| 504 fileNamePartStartIndex = MyStringLen(fileName); | |
| 505 else | |
| 506 fileNamePartStartIndex = (int)(fileNamePointer - buffer); | |
| 507 } | |
| 508 else | |
| 509 { | |
| 510 CSysString sysPath; | |
| 511 if (!MyGetFullPathName(GetSysPath(fileName), sysPath, fileNamePartStartIndex
)) | |
| 512 return false; | |
| 513 UString resultPath1 = GetUnicodePath(sysPath.Left(fileNamePartStartIndex)); | |
| 514 UString resultPath2 = GetUnicodePath(sysPath.Mid(fileNamePartStartIndex)); | |
| 515 fileNamePartStartIndex = resultPath1.Length(); | |
| 516 resultPath = resultPath1 + resultPath2; | |
| 517 } | |
| 518 return true; | |
| 519 } | |
| 520 #endif | |
| 521 | |
| 522 | |
| 523 bool MyGetFullPathName(LPCTSTR fileName, CSysString &path) | |
| 524 { | |
| 525 int index; | |
| 526 return MyGetFullPathName(fileName, path, index); | |
| 527 } | |
| 528 | |
| 529 #ifndef _UNICODE | |
| 530 bool MyGetFullPathName(LPCWSTR fileName, UString &path) | |
| 531 { | |
| 532 int index; | |
| 533 return MyGetFullPathName(fileName, path, index); | |
| 534 } | |
| 535 #endif | |
| 536 | |
| 537 bool GetOnlyName(LPCTSTR fileName, CSysString &resultName) | |
| 538 { | |
| 539 int index; | |
| 540 if (!MyGetFullPathName(fileName, resultName, index)) | |
| 541 return false; | |
| 542 resultName = resultName.Mid(index); | |
| 543 return true; | |
| 544 } | |
| 545 | |
| 546 #ifndef _UNICODE | |
| 547 bool GetOnlyName(LPCWSTR fileName, UString &resultName) | |
| 548 { | |
| 549 int index; | |
| 550 if (!MyGetFullPathName(fileName, resultName, index)) | |
| 551 return false; | |
| 552 resultName = resultName.Mid(index); | |
| 553 return true; | |
| 554 } | |
| 555 #endif | |
| 556 | |
| 557 bool GetOnlyDirPrefix(LPCTSTR fileName, CSysString &resultName) | |
| 558 { | |
| 559 int index; | |
| 560 if (!MyGetFullPathName(fileName, resultName, index)) | |
| 561 return false; | |
| 562 resultName = resultName.Left(index); | |
| 563 return true; | |
| 564 } | |
| 565 | |
| 566 #ifndef _UNICODE | |
| 567 bool GetOnlyDirPrefix(LPCWSTR fileName, UString &resultName) | |
| 568 { | |
| 569 int index; | |
| 570 if (!MyGetFullPathName(fileName, resultName, index)) | |
| 571 return false; | |
| 572 resultName = resultName.Left(index); | |
| 573 return true; | |
| 574 } | |
| 575 #endif | |
| 576 | |
| 577 bool MyGetCurrentDirectory(CSysString &path) | |
| 578 { | |
| 579 DWORD needLength = ::GetCurrentDirectory(MAX_PATH + 1, path.GetBuffer(MAX_PATH
+ 1)); | |
| 580 path.ReleaseBuffer(); | |
| 581 return (needLength > 0 && needLength <= MAX_PATH); | |
| 582 } | |
| 583 | |
| 584 #ifndef _UNICODE | |
| 585 bool MySetCurrentDirectory(LPCWSTR path) | |
| 586 { | |
| 587 if (g_IsNT) | |
| 588 return BOOLToBool(::SetCurrentDirectoryW(path)); | |
| 589 return MySetCurrentDirectory(GetSysPath(path)); | |
| 590 } | |
| 591 bool MyGetCurrentDirectory(UString &path) | |
| 592 { | |
| 593 if (g_IsNT) | |
| 594 { | |
| 595 DWORD needLength = ::GetCurrentDirectoryW(MAX_PATH + 1, path.GetBuffer(MAX_P
ATH + 1)); | |
| 596 path.ReleaseBuffer(); | |
| 597 return (needLength > 0 && needLength <= MAX_PATH); | |
| 598 } | |
| 599 CSysString sysPath; | |
| 600 if (!MyGetCurrentDirectory(sysPath)) | |
| 601 return false; | |
| 602 path = GetUnicodePath(sysPath); | |
| 603 return true; | |
| 604 } | |
| 605 #endif | |
| 606 #endif | |
| 607 | |
| 608 bool MySearchPath(LPCTSTR path, LPCTSTR fileName, LPCTSTR extension, | |
| 609 CSysString &resultPath, UINT32 &filePart) | |
| 610 { | |
| 611 LPTSTR filePartPointer; | |
| 612 DWORD value = ::SearchPath(path, fileName, extension, | |
| 613 MAX_PATH, resultPath.GetBuffer(MAX_PATH + 1), &filePartPointer); | |
| 614 filePart = (UINT32)(filePartPointer - (LPCTSTR)resultPath); | |
| 615 resultPath.ReleaseBuffer(); | |
| 616 return (value > 0 && value <= MAX_PATH); | |
| 617 } | |
| 618 | |
| 619 #ifndef _UNICODE | |
| 620 bool MySearchPath(LPCWSTR path, LPCWSTR fileName, LPCWSTR extension, | |
| 621 UString &resultPath, UINT32 &filePart) | |
| 622 { | |
| 623 if (g_IsNT) | |
| 624 { | |
| 625 LPWSTR filePartPointer = 0; | |
| 626 DWORD value = ::SearchPathW(path, fileName, extension, | |
| 627 MAX_PATH, resultPath.GetBuffer(MAX_PATH + 1), &filePartPointer); | |
| 628 filePart = (UINT32)(filePartPointer - (LPCWSTR)resultPath); | |
| 629 resultPath.ReleaseBuffer(); | |
| 630 return (value > 0 && value <= MAX_PATH); | |
| 631 } | |
| 632 | |
| 633 CSysString sysPath; | |
| 634 if (!MySearchPath( | |
| 635 path != 0 ? (LPCTSTR)GetSysPath(path): 0, | |
| 636 fileName != 0 ? (LPCTSTR)GetSysPath(fileName): 0, | |
| 637 extension != 0 ? (LPCTSTR)GetSysPath(extension): 0, | |
| 638 sysPath, filePart)) | |
| 639 return false; | |
| 640 UString resultPath1 = GetUnicodePath(sysPath.Left(filePart)); | |
| 641 UString resultPath2 = GetUnicodePath(sysPath.Mid(filePart)); | |
| 642 filePart = resultPath1.Length(); | |
| 643 resultPath = resultPath1 + resultPath2; | |
| 644 return true; | |
| 645 } | |
| 646 #endif | |
| 647 | |
| 648 bool MyGetTempPath(CSysString &path) | |
| 649 { | |
| 650 DWORD needLength = ::GetTempPath(MAX_PATH + 1, path.GetBuffer(MAX_PATH + 1)); | |
| 651 path.ReleaseBuffer(); | |
| 652 return (needLength > 0 && needLength <= MAX_PATH); | |
| 653 } | |
| 654 | |
| 655 #ifndef _UNICODE | |
| 656 bool MyGetTempPath(UString &path) | |
| 657 { | |
| 658 path.Empty(); | |
| 659 if (g_IsNT) | |
| 660 { | |
| 661 DWORD needLength = ::GetTempPathW(MAX_PATH + 1, path.GetBuffer(MAX_PATH + 1)
); | |
| 662 path.ReleaseBuffer(); | |
| 663 return (needLength > 0 && needLength <= MAX_PATH); | |
| 664 } | |
| 665 CSysString sysPath; | |
| 666 if (!MyGetTempPath(sysPath)) | |
| 667 return false; | |
| 668 path = GetUnicodePath(sysPath); | |
| 669 return true; | |
| 670 } | |
| 671 #endif | |
| 672 | |
| 673 UINT MyGetTempFileName(LPCTSTR dirPath, LPCTSTR prefix, CSysString &path) | |
| 674 { | |
| 675 UINT number = ::GetTempFileName(dirPath, prefix, 0, path.GetBuffer(MAX_PATH +
1)); | |
| 676 path.ReleaseBuffer(); | |
| 677 return number; | |
| 678 } | |
| 679 | |
| 680 #ifndef _UNICODE | |
| 681 UINT MyGetTempFileName(LPCWSTR dirPath, LPCWSTR prefix, UString &path) | |
| 682 { | |
| 683 if (g_IsNT) | |
| 684 { | |
| 685 UINT number = ::GetTempFileNameW(dirPath, prefix, 0, path.GetBuffer(MAX_PATH
)); | |
| 686 path.ReleaseBuffer(); | |
| 687 return number; | |
| 688 } | |
| 689 CSysString sysPath; | |
| 690 UINT number = MyGetTempFileName( | |
| 691 dirPath ? (LPCTSTR)GetSysPath(dirPath): 0, | |
| 692 prefix ? (LPCTSTR)GetSysPath(prefix): 0, | |
| 693 sysPath); | |
| 694 path = GetUnicodePath(sysPath); | |
| 695 return number; | |
| 696 } | |
| 697 #endif | |
| 698 | |
| 699 UINT CTempFile::Create(LPCTSTR dirPath, LPCTSTR prefix, CSysString &resultPath) | |
| 700 { | |
| 701 Remove(); | |
| 702 UINT number = MyGetTempFileName(dirPath, prefix, resultPath); | |
| 703 if (number != 0) | |
| 704 { | |
| 705 _fileName = resultPath; | |
| 706 _mustBeDeleted = true; | |
| 707 } | |
| 708 return number; | |
| 709 } | |
| 710 | |
| 711 bool CTempFile::Create(LPCTSTR prefix, CSysString &resultPath) | |
| 712 { | |
| 713 CSysString tempPath; | |
| 714 if (!MyGetTempPath(tempPath)) | |
| 715 return false; | |
| 716 if (Create(tempPath, prefix, resultPath) != 0) | |
| 717 return true; | |
| 718 if (!MyGetWindowsDirectory(tempPath)) | |
| 719 return false; | |
| 720 return (Create(tempPath, prefix, resultPath) != 0); | |
| 721 } | |
| 722 | |
| 723 bool CTempFile::Remove() | |
| 724 { | |
| 725 if (!_mustBeDeleted) | |
| 726 return true; | |
| 727 _mustBeDeleted = !DeleteFileAlways(_fileName); | |
| 728 return !_mustBeDeleted; | |
| 729 } | |
| 730 | |
| 731 #ifndef _UNICODE | |
| 732 | |
| 733 UINT CTempFileW::Create(LPCWSTR dirPath, LPCWSTR prefix, UString &resultPath) | |
| 734 { | |
| 735 Remove(); | |
| 736 UINT number = MyGetTempFileName(dirPath, prefix, resultPath); | |
| 737 if (number != 0) | |
| 738 { | |
| 739 _fileName = resultPath; | |
| 740 _mustBeDeleted = true; | |
| 741 } | |
| 742 return number; | |
| 743 } | |
| 744 | |
| 745 bool CTempFileW::Create(LPCWSTR prefix, UString &resultPath) | |
| 746 { | |
| 747 UString tempPath; | |
| 748 if (!MyGetTempPath(tempPath)) | |
| 749 return false; | |
| 750 if (Create(tempPath, prefix, resultPath) != 0) | |
| 751 return true; | |
| 752 if (!MyGetWindowsDirectory(tempPath)) | |
| 753 return false; | |
| 754 return (Create(tempPath, prefix, resultPath) != 0); | |
| 755 } | |
| 756 | |
| 757 bool CTempFileW::Remove() | |
| 758 { | |
| 759 if (!_mustBeDeleted) | |
| 760 return true; | |
| 761 _mustBeDeleted = !DeleteFileAlways(_fileName); | |
| 762 return !_mustBeDeleted; | |
| 763 } | |
| 764 | |
| 765 #endif | |
| 766 | |
| 767 bool CreateTempDirectory(LPCTSTR prefix, CSysString &dirName) | |
| 768 { | |
| 769 /* | |
| 770 CSysString prefix = tempPath + prefixChars; | |
| 771 CRandom random; | |
| 772 random.Init(); | |
| 773 */ | |
| 774 for (;;) | |
| 775 { | |
| 776 CTempFile tempFile; | |
| 777 if (!tempFile.Create(prefix, dirName)) | |
| 778 return false; | |
| 779 if (!::DeleteFile(dirName)) | |
| 780 return false; | |
| 781 /* | |
| 782 UINT32 randomNumber = random.Generate(); | |
| 783 TCHAR randomNumberString[32]; | |
| 784 _stprintf(randomNumberString, _T("%04X"), randomNumber); | |
| 785 dirName = prefix + randomNumberString; | |
| 786 */ | |
| 787 if (NFind::DoesFileExist(dirName)) | |
| 788 continue; | |
| 789 if (MyCreateDirectory(dirName)) | |
| 790 return true; | |
| 791 if (::GetLastError() != ERROR_ALREADY_EXISTS) | |
| 792 return false; | |
| 793 } | |
| 794 } | |
| 795 | |
| 796 bool CTempDirectory::Create(LPCTSTR prefix) | |
| 797 { | |
| 798 Remove(); | |
| 799 return (_mustBeDeleted = CreateTempDirectory(prefix, _tempDir)); | |
| 800 } | |
| 801 | |
| 802 #ifndef _UNICODE | |
| 803 | |
| 804 bool CreateTempDirectory(LPCWSTR prefix, UString &dirName) | |
| 805 { | |
| 806 /* | |
| 807 CSysString prefix = tempPath + prefixChars; | |
| 808 CRandom random; | |
| 809 random.Init(); | |
| 810 */ | |
| 811 for (;;) | |
| 812 { | |
| 813 CTempFileW tempFile; | |
| 814 if (!tempFile.Create(prefix, dirName)) | |
| 815 return false; | |
| 816 if (!DeleteFileAlways(dirName)) | |
| 817 return false; | |
| 818 /* | |
| 819 UINT32 randomNumber = random.Generate(); | |
| 820 TCHAR randomNumberString[32]; | |
| 821 _stprintf(randomNumberString, _T("%04X"), randomNumber); | |
| 822 dirName = prefix + randomNumberString; | |
| 823 */ | |
| 824 if (NFind::DoesFileExist(dirName)) | |
| 825 continue; | |
| 826 if (MyCreateDirectory(dirName)) | |
| 827 return true; | |
| 828 if (::GetLastError() != ERROR_ALREADY_EXISTS) | |
| 829 return false; | |
| 830 } | |
| 831 } | |
| 832 | |
| 833 bool CTempDirectoryW::Create(LPCWSTR prefix) | |
| 834 { | |
| 835 Remove(); | |
| 836 return (_mustBeDeleted = CreateTempDirectory(prefix, _tempDir)); | |
| 837 } | |
| 838 | |
| 839 #endif | |
| 840 | |
| 841 }}} | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 624713003:
Keep only base/extractor.[cc|h]. (Closed)
Base URL: https://chromium.googlesource.com/external/omaha.git@master