Commit | Line | Data |
7766f137 |
1 | /* vdir.h |
2 | * |
3 | * (c) 1999 Microsoft Corporation. All rights reserved. |
4 | * Portions (c) 1999 ActiveState Tool Corp, http://www.ActiveState.com/ |
5 | * |
6 | * You may distribute under the terms of either the GNU General Public |
7 | * License or the Artistic License, as specified in the README file. |
8 | */ |
9 | |
10 | #ifndef ___VDir_H___ |
11 | #define ___VDir_H___ |
12 | |
93153446 |
13 | /* |
14 | * Allow one slot for each possible drive letter |
15 | * and one additional slot for a UNC name |
16 | */ |
17 | const int driveCount = ('Z'-'A')+1+1; |
7766f137 |
18 | |
19 | class VDir |
20 | { |
21 | public: |
f7aeb604 |
22 | VDir(int bManageDir = 1); |
7766f137 |
23 | ~VDir() {}; |
24 | |
25 | void Init(VDir* pDir, VMem *pMem); |
26 | void SetDefaultA(char const *pDefault); |
27 | void SetDefaultW(WCHAR const *pDefault); |
28 | char* MapPathA(const char *pInName); |
29 | WCHAR* MapPathW(const WCHAR *pInName); |
30 | int SetCurrentDirectoryA(char *lpBuffer); |
31 | int SetCurrentDirectoryW(WCHAR *lpBuffer); |
7766f137 |
32 | inline int GetDefault(void) { return nDefault; }; |
33 | |
34 | inline char* GetCurrentDirectoryA(int dwBufSize, char *lpBuffer) |
35 | { |
36 | char* ptr = dirTableA[nDefault]; |
d684b162 |
37 | while (--dwBufSize) |
7766f137 |
38 | { |
39 | if ((*lpBuffer++ = *ptr++) == '\0') |
40 | break; |
41 | } |
d684b162 |
42 | *lpBuffer = '\0'; |
43 | return /* unused */ NULL; |
7766f137 |
44 | }; |
45 | inline WCHAR* GetCurrentDirectoryW(int dwBufSize, WCHAR *lpBuffer) |
46 | { |
47 | WCHAR* ptr = dirTableW[nDefault]; |
d684b162 |
48 | while (--dwBufSize) |
7766f137 |
49 | { |
50 | if ((*lpBuffer++ = *ptr++) == '\0') |
51 | break; |
52 | } |
d684b162 |
53 | *lpBuffer = '\0'; |
54 | return /* unused */ NULL; |
7766f137 |
55 | }; |
56 | |
7766f137 |
57 | DWORD CalculateEnvironmentSpace(void); |
58 | LPSTR BuildEnvironmentSpace(LPSTR lpStr); |
59 | |
60 | protected: |
61 | int SetDirA(char const *pPath, int index); |
d684b162 |
62 | int SetDirW(WCHAR const *pPath, int index); |
7766f137 |
63 | void FromEnvA(char *pEnv, int index); |
d684b162 |
64 | void FromEnvW(WCHAR *pEnv, int index); |
65 | |
7766f137 |
66 | inline const char *GetDefaultDirA(void) |
67 | { |
68 | return dirTableA[nDefault]; |
69 | }; |
7766f137 |
70 | inline void SetDefaultDirA(char const *pPath, int index) |
71 | { |
72 | SetDirA(pPath, index); |
73 | nDefault = index; |
74 | }; |
7766f137 |
75 | inline const WCHAR *GetDefaultDirW(void) |
76 | { |
77 | return dirTableW[nDefault]; |
78 | }; |
7766f137 |
79 | inline void SetDefaultDirW(WCHAR const *pPath, int index) |
80 | { |
81 | SetDirW(pPath, index); |
82 | nDefault = index; |
83 | }; |
e2694c95 |
84 | inline const char *GetDirA(int index) |
85 | { |
86 | char *ptr = dirTableA[index]; |
87 | if (!ptr) { |
88 | /* simulate the existance of this drive */ |
89 | ptr = szLocalBufferA; |
90 | ptr[0] = 'A' + index; |
91 | ptr[1] = ':'; |
92 | ptr[2] = '\\'; |
93 | ptr[3] = 0; |
94 | } |
95 | return ptr; |
96 | }; |
97 | inline const WCHAR *GetDirW(int index) |
98 | { |
99 | WCHAR *ptr = dirTableW[index]; |
100 | if (!ptr) { |
101 | /* simulate the existance of this drive */ |
102 | ptr = szLocalBufferW; |
103 | ptr[0] = 'A' + index; |
104 | ptr[1] = ':'; |
105 | ptr[2] = '\\'; |
106 | ptr[3] = 0; |
107 | } |
108 | return ptr; |
109 | }; |
7766f137 |
110 | |
111 | inline int DriveIndex(char chr) |
112 | { |
93153446 |
113 | if (chr == '\\' || chr == '/') |
114 | return ('Z'-'A')+1; |
7766f137 |
115 | return (chr | 0x20)-'a'; |
116 | }; |
117 | |
118 | VMem *pMem; |
f7aeb604 |
119 | int nDefault, bManageDirectory; |
7766f137 |
120 | char *dirTableA[driveCount]; |
121 | char szLocalBufferA[MAX_PATH+1]; |
122 | WCHAR *dirTableW[driveCount]; |
123 | WCHAR szLocalBufferW[MAX_PATH+1]; |
124 | }; |
125 | |
126 | |
f7aeb604 |
127 | VDir::VDir(int bManageDir /* = 1 */) |
7766f137 |
128 | { |
129 | nDefault = 0; |
f7aeb604 |
130 | bManageDirectory = bManageDir; |
7766f137 |
131 | memset(dirTableA, 0, sizeof(dirTableA)); |
132 | memset(dirTableW, 0, sizeof(dirTableW)); |
133 | } |
134 | |
135 | void VDir::Init(VDir* pDir, VMem *p) |
136 | { |
137 | int index; |
7766f137 |
138 | |
139 | pMem = p; |
140 | if (pDir) { |
141 | for (index = 0; index < driveCount; ++index) { |
142 | SetDirW(pDir->GetDirW(index), index); |
143 | } |
144 | nDefault = pDir->GetDefault(); |
145 | } |
146 | else { |
d684b162 |
147 | int bSave = bManageDirectory; |
148 | DWORD driveBits = GetLogicalDrives(); |
149 | OSVERSIONINFO osver; |
150 | |
151 | memset(&osver, 0, sizeof(osver)); |
152 | osver.dwOSVersionInfoSize = sizeof(osver); |
153 | GetVersionEx(&osver); |
154 | |
f7aeb604 |
155 | bManageDirectory = 0; |
d684b162 |
156 | if (osver.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) { |
157 | char szBuffer[MAX_PATH*driveCount]; |
158 | if (GetLogicalDriveStringsA(sizeof(szBuffer), szBuffer)) { |
159 | char* pEnv = (char*)GetEnvironmentStringsA(); |
160 | char* ptr = szBuffer; |
161 | for (index = 0; index < driveCount; ++index) { |
162 | if (driveBits & (1<<index)) { |
163 | ptr += SetDirA(ptr, index) + 1; |
164 | FromEnvA(pEnv, index); |
165 | } |
166 | } |
167 | FreeEnvironmentStringsA(pEnv); |
168 | } |
169 | SetDefaultA("."); |
170 | } |
171 | else { /* Windows NT or later */ |
172 | WCHAR szBuffer[MAX_PATH*driveCount]; |
173 | if (GetLogicalDriveStringsW(sizeof(szBuffer), szBuffer)) { |
174 | WCHAR* pEnv = GetEnvironmentStringsW(); |
175 | WCHAR* ptr = szBuffer; |
176 | for (index = 0; index < driveCount; ++index) { |
177 | if (driveBits & (1<<index)) { |
178 | ptr += SetDirW(ptr, index) + 1; |
179 | FromEnvW(pEnv, index); |
180 | } |
181 | } |
182 | FreeEnvironmentStringsW(pEnv); |
183 | } |
184 | SetDefaultW(L"."); |
185 | } |
186 | bManageDirectory = bSave; |
187 | } |
7766f137 |
188 | } |
189 | |
190 | int VDir::SetDirA(char const *pPath, int index) |
191 | { |
192 | char chr, *ptr; |
193 | int length = 0; |
194 | WCHAR wBuffer[MAX_PATH+1]; |
195 | if (index < driveCount && pPath != NULL) { |
196 | length = strlen(pPath); |
197 | pMem->Free(dirTableA[index]); |
198 | ptr = dirTableA[index] = (char*)pMem->Malloc(length+2); |
199 | if (ptr != NULL) { |
200 | strcpy(ptr, pPath); |
201 | ptr += length-1; |
202 | chr = *ptr++; |
203 | if (chr != '\\' && chr != '/') { |
204 | *ptr++ = '\\'; |
205 | *ptr = '\0'; |
206 | } |
207 | MultiByteToWideChar(CP_ACP, 0, dirTableA[index], -1, |
208 | wBuffer, (sizeof(wBuffer)/sizeof(WCHAR))); |
209 | length = wcslen(wBuffer); |
210 | pMem->Free(dirTableW[index]); |
211 | dirTableW[index] = (WCHAR*)pMem->Malloc((length+1)*2); |
212 | if (dirTableW[index] != NULL) { |
213 | wcscpy(dirTableW[index], wBuffer); |
214 | } |
215 | } |
216 | } |
f7aeb604 |
217 | |
218 | if(bManageDirectory) |
219 | ::SetCurrentDirectoryA(pPath); |
220 | |
7766f137 |
221 | return length; |
222 | } |
223 | |
224 | void VDir::FromEnvA(char *pEnv, int index) |
225 | { /* gets the directory for index from the environment variable. */ |
226 | while (*pEnv != '\0') { |
227 | if ((pEnv[0] == '=') && (DriveIndex(pEnv[1]) == index)) { |
228 | SetDirA(&pEnv[4], index); |
229 | break; |
230 | } |
231 | else |
232 | pEnv += strlen(pEnv)+1; |
233 | } |
234 | } |
235 | |
d684b162 |
236 | void VDir::FromEnvW(WCHAR *pEnv, int index) |
237 | { /* gets the directory for index from the environment variable. */ |
238 | while (*pEnv != '\0') { |
239 | if ((pEnv[0] == '=') && (DriveIndex((char)pEnv[1]) == index)) { |
240 | SetDirW(&pEnv[4], index); |
241 | break; |
242 | } |
243 | else |
244 | pEnv += wcslen(pEnv)+1; |
245 | } |
246 | } |
247 | |
7766f137 |
248 | void VDir::SetDefaultA(char const *pDefault) |
249 | { |
250 | char szBuffer[MAX_PATH+1]; |
251 | char *pPtr; |
252 | |
253 | if (GetFullPathNameA(pDefault, sizeof(szBuffer), szBuffer, &pPtr)) { |
254 | if (*pDefault != '.' && pPtr != NULL) |
255 | *pPtr = '\0'; |
256 | |
257 | SetDefaultDirA(szBuffer, DriveIndex(szBuffer[0])); |
258 | } |
259 | } |
260 | |
261 | int VDir::SetDirW(WCHAR const *pPath, int index) |
262 | { |
263 | WCHAR chr, *ptr; |
264 | char szBuffer[MAX_PATH+1]; |
265 | int length = 0; |
266 | if (index < driveCount && pPath != NULL) { |
267 | length = wcslen(pPath); |
268 | pMem->Free(dirTableW[index]); |
269 | ptr = dirTableW[index] = (WCHAR*)pMem->Malloc((length+2)*2); |
270 | if (ptr != NULL) { |
271 | wcscpy(ptr, pPath); |
272 | ptr += length-1; |
273 | chr = *ptr++; |
274 | if (chr != '\\' && chr != '/') { |
275 | *ptr++ = '\\'; |
276 | *ptr = '\0'; |
277 | } |
278 | WideCharToMultiByte(CP_ACP, 0, dirTableW[index], -1, szBuffer, sizeof(szBuffer), NULL, NULL); |
279 | length = strlen(szBuffer); |
280 | pMem->Free(dirTableA[index]); |
281 | dirTableA[index] = (char*)pMem->Malloc(length+1); |
282 | if (dirTableA[index] != NULL) { |
283 | strcpy(dirTableA[index], szBuffer); |
284 | } |
285 | } |
286 | } |
f7aeb604 |
287 | |
288 | if(bManageDirectory) |
289 | ::SetCurrentDirectoryW(pPath); |
290 | |
7766f137 |
291 | return length; |
292 | } |
293 | |
294 | void VDir::SetDefaultW(WCHAR const *pDefault) |
295 | { |
296 | WCHAR szBuffer[MAX_PATH+1]; |
297 | WCHAR *pPtr; |
298 | |
299 | if (GetFullPathNameW(pDefault, (sizeof(szBuffer)/sizeof(WCHAR)), szBuffer, &pPtr)) { |
300 | if (*pDefault != '.' && pPtr != NULL) |
301 | *pPtr = '\0'; |
302 | |
303 | SetDefaultDirW(szBuffer, DriveIndex((char)szBuffer[0])); |
304 | } |
305 | } |
306 | |
307 | inline BOOL IsPathSep(char ch) |
308 | { |
309 | return (ch == '\\' || ch == '/'); |
310 | } |
311 | |
312 | inline void DoGetFullPathNameA(char* lpBuffer, DWORD dwSize, char* Dest) |
313 | { |
314 | char *pPtr; |
315 | |
316 | /* |
317 | * On WinNT GetFullPathName does not fail, (or at least always |
318 | * succeeds when the drive is valid) WinNT does set *Dest to Nullch |
319 | * On Win98 GetFullPathName will set last error if it fails, but |
320 | * does not touch *Dest |
321 | */ |
322 | *Dest = '\0'; |
323 | GetFullPathNameA(lpBuffer, dwSize, Dest, &pPtr); |
324 | } |
325 | |
e2694c95 |
326 | inline bool IsSpecialFileName(const char* pName) |
327 | { |
328 | /* specical file names are devices that the system can open |
329 | * these include AUX, CON, NUL, PRN, COMx, LPTx, CLOCK$, CONIN$, CONOUT$ |
330 | * (x is a single digit, and names are case-insensitive) |
331 | */ |
332 | char ch = (pName[0] & ~0x20); |
333 | switch (ch) |
334 | { |
335 | case 'A': /* AUX */ |
336 | if (((pName[1] & ~0x20) == 'U') |
337 | && ((pName[2] & ~0x20) == 'X') |
338 | && !pName[3]) |
339 | return true; |
340 | break; |
341 | case 'C': /* CLOCK$, COMx, CON, CONIN$ CONOUT$ */ |
342 | ch = (pName[1] & ~0x20); |
343 | switch (ch) |
344 | { |
345 | case 'L': /* CLOCK$ */ |
346 | if (((pName[2] & ~0x20) == 'O') |
347 | && ((pName[3] & ~0x20) == 'C') |
348 | && ((pName[4] & ~0x20) == 'K') |
349 | && (pName[5] == '$') |
350 | && !pName[6]) |
351 | return true; |
352 | break; |
353 | case 'O': /* COMx, CON, CONIN$ CONOUT$ */ |
354 | if ((pName[2] & ~0x20) == 'M') { |
355 | if ((pName[3] >= '1') && (pName[3] <= '9') |
356 | && !pName[4]) |
357 | return true; |
358 | } |
359 | else if ((pName[2] & ~0x20) == 'N') { |
360 | if (!pName[3]) |
361 | return true; |
362 | else if ((pName[3] & ~0x20) == 'I') { |
363 | if (((pName[4] & ~0x20) == 'N') |
364 | && (pName[5] == '$') |
365 | && !pName[6]) |
366 | return true; |
367 | } |
368 | else if ((pName[3] & ~0x20) == 'O') { |
369 | if (((pName[4] & ~0x20) == 'U') |
370 | && ((pName[5] & ~0x20) == 'T') |
371 | && (pName[6] == '$') |
372 | && !pName[7]) |
373 | return true; |
374 | } |
375 | } |
376 | break; |
377 | } |
378 | break; |
379 | case 'L': /* LPTx */ |
380 | if (((pName[1] & ~0x20) == 'U') |
381 | && ((pName[2] & ~0x20) == 'X') |
382 | && (pName[3] >= '1') && (pName[3] <= '9') |
383 | && !pName[4]) |
384 | return true; |
385 | break; |
386 | case 'N': /* NUL */ |
387 | if (((pName[1] & ~0x20) == 'U') |
388 | && ((pName[2] & ~0x20) == 'L') |
389 | && !pName[3]) |
390 | return true; |
391 | break; |
392 | case 'P': /* PRN */ |
393 | if (((pName[1] & ~0x20) == 'R') |
394 | && ((pName[2] & ~0x20) == 'N') |
395 | && !pName[3]) |
396 | return true; |
397 | break; |
398 | } |
399 | return false; |
400 | } |
401 | |
7766f137 |
402 | char *VDir::MapPathA(const char *pInName) |
403 | { /* |
404 | * possiblities -- relative path or absolute path with or without drive letter |
405 | * OR UNC name |
406 | */ |
407 | char szBuffer[(MAX_PATH+1)*2]; |
408 | char szlBuf[MAX_PATH+1]; |
93153446 |
409 | int length = strlen(pInName); |
410 | |
411 | if (!length) |
412 | return (char*)pInName; |
7766f137 |
413 | |
93153446 |
414 | if (length > MAX_PATH) { |
7766f137 |
415 | strncpy(szlBuf, pInName, MAX_PATH); |
416 | if (IsPathSep(pInName[0]) && !IsPathSep(pInName[1])) { |
417 | /* absolute path - reduce length by 2 for drive specifier */ |
418 | szlBuf[MAX_PATH-2] = '\0'; |
419 | } |
420 | else |
421 | szlBuf[MAX_PATH] = '\0'; |
422 | pInName = szlBuf; |
423 | } |
424 | /* strlen(pInName) is now <= MAX_PATH */ |
425 | |
426 | if (pInName[1] == ':') { |
427 | /* has drive letter */ |
428 | if (IsPathSep(pInName[2])) { |
429 | /* absolute with drive letter */ |
98b36f88 |
430 | DoGetFullPathNameA((char*)pInName, sizeof(szLocalBufferA), szLocalBufferA); |
7766f137 |
431 | } |
432 | else { |
433 | /* relative path with drive letter */ |
434 | strcpy(szBuffer, GetDirA(DriveIndex(*pInName))); |
435 | strcat(szBuffer, &pInName[2]); |
436 | if(strlen(szBuffer) > MAX_PATH) |
437 | szBuffer[MAX_PATH] = '\0'; |
438 | |
439 | DoGetFullPathNameA(szBuffer, sizeof(szLocalBufferA), szLocalBufferA); |
440 | } |
441 | } |
442 | else { |
443 | /* no drive letter */ |
444 | if (IsPathSep(pInName[1]) && IsPathSep(pInName[0])) { |
445 | /* UNC name */ |
98b36f88 |
446 | DoGetFullPathNameA((char*)pInName, sizeof(szLocalBufferA), szLocalBufferA); |
7766f137 |
447 | } |
448 | else { |
449 | strcpy(szBuffer, GetDefaultDirA()); |
450 | if (IsPathSep(pInName[0])) { |
451 | /* absolute path */ |
98b36f88 |
452 | strcpy(&szBuffer[2], pInName); |
453 | DoGetFullPathNameA(szBuffer, sizeof(szLocalBufferA), szLocalBufferA); |
7766f137 |
454 | } |
455 | else { |
456 | /* relative path */ |
e2694c95 |
457 | if (IsSpecialFileName(pInName)) { |
458 | return (char*)pInName; |
459 | } |
460 | else { |
461 | strcat(szBuffer, pInName); |
462 | if (strlen(szBuffer) > MAX_PATH) |
463 | szBuffer[MAX_PATH] = '\0'; |
7766f137 |
464 | |
e2694c95 |
465 | DoGetFullPathNameA(szBuffer, sizeof(szLocalBufferA), szLocalBufferA); |
466 | } |
7766f137 |
467 | } |
468 | } |
469 | } |
470 | |
471 | return szLocalBufferA; |
472 | } |
473 | |
474 | int VDir::SetCurrentDirectoryA(char *lpBuffer) |
475 | { |
93153446 |
476 | char *pPtr; |
fd9459bc |
477 | int length, nRet = -1; |
7766f137 |
478 | |
93153446 |
479 | pPtr = MapPathA(lpBuffer); |
480 | length = strlen(pPtr); |
481 | if(length > 3 && IsPathSep(pPtr[length-1])) { |
482 | /* don't remove the trailing slash from 'x:\' */ |
483 | pPtr[length-1] = '\0'; |
fd9459bc |
484 | } |
7766f137 |
485 | |
93153446 |
486 | DWORD r = GetFileAttributesA(pPtr); |
487 | if ((r != 0xffffffff) && (r & FILE_ATTRIBUTE_DIRECTORY)) |
488 | { |
2eb25c99 |
489 | char szBuffer[(MAX_PATH+1)*2]; |
490 | DoGetFullPathNameA(pPtr, sizeof(szBuffer), szBuffer); |
491 | SetDefaultDirA(szBuffer, DriveIndex(szBuffer[0])); |
7766f137 |
492 | nRet = 0; |
493 | } |
93153446 |
494 | |
7766f137 |
495 | return nRet; |
496 | } |
497 | |
498 | DWORD VDir::CalculateEnvironmentSpace(void) |
9afd7f94 |
499 | { /* the current directory environment strings are stored as '=D:=d:\path' */ |
7766f137 |
500 | int index; |
501 | DWORD dwSize = 0; |
502 | for (index = 0; index < driveCount; ++index) { |
503 | if (dirTableA[index] != NULL) { |
9afd7f94 |
504 | dwSize += strlen(dirTableA[index]) + 5; /* add 1 for trailing NULL and 4 for '=D:=' */ |
7766f137 |
505 | } |
506 | } |
507 | return dwSize; |
508 | } |
509 | |
510 | LPSTR VDir::BuildEnvironmentSpace(LPSTR lpStr) |
9afd7f94 |
511 | { /* store the current directory environment strings as '=D:=d:\path' */ |
512 | int index, length; |
7766f137 |
513 | LPSTR lpDirStr; |
514 | for (index = 0; index < driveCount; ++index) { |
515 | lpDirStr = dirTableA[index]; |
516 | if (lpDirStr != NULL) { |
517 | lpStr[0] = '='; |
518 | lpStr[1] = lpDirStr[0]; |
9afd7f94 |
519 | lpStr[2] = '\0'; |
520 | CharUpper(&lpStr[1]); |
521 | lpStr[2] = ':'; |
522 | lpStr[3] = '='; |
523 | strcpy(&lpStr[4], lpDirStr); |
524 | length = strlen(lpDirStr); |
525 | lpStr += length + 5; /* add 1 for trailing NULL and 4 for '=D:=' */ |
526 | if (length > 3 && IsPathSep(lpStr[-2])) { |
527 | lpStr[-2] = '\0'; /* remove the trailing path separator */ |
528 | --lpStr; |
529 | } |
7766f137 |
530 | } |
531 | } |
532 | return lpStr; |
533 | } |
534 | |
535 | inline BOOL IsPathSep(WCHAR ch) |
536 | { |
537 | return (ch == '\\' || ch == '/'); |
538 | } |
539 | |
540 | inline void DoGetFullPathNameW(WCHAR* lpBuffer, DWORD dwSize, WCHAR* Dest) |
541 | { |
542 | WCHAR *pPtr; |
543 | |
544 | /* |
545 | * On WinNT GetFullPathName does not fail, (or at least always |
546 | * succeeds when the drive is valid) WinNT does set *Dest to Nullch |
547 | * On Win98 GetFullPathName will set last error if it fails, but |
548 | * does not touch *Dest |
549 | */ |
550 | *Dest = '\0'; |
551 | GetFullPathNameW(lpBuffer, dwSize, Dest, &pPtr); |
552 | } |
553 | |
e2694c95 |
554 | inline bool IsSpecialFileName(const WCHAR* pName) |
555 | { |
556 | /* specical file names are devices that the system can open |
557 | * these include AUX, CON, NUL, PRN, COMx, LPTx, CLOCK$, CONIN$, CONOUT$ |
558 | * (x is a single digit, and names are case-insensitive) |
559 | */ |
560 | WCHAR ch = (pName[0] & ~0x20); |
561 | switch (ch) |
562 | { |
563 | case 'A': /* AUX */ |
564 | if (((pName[1] & ~0x20) == 'U') |
565 | && ((pName[2] & ~0x20) == 'X') |
566 | && !pName[3]) |
567 | return true; |
568 | break; |
569 | case 'C': /* CLOCK$, COMx, CON, CONIN$ CONOUT$ */ |
570 | ch = (pName[1] & ~0x20); |
571 | switch (ch) |
572 | { |
573 | case 'L': /* CLOCK$ */ |
574 | if (((pName[2] & ~0x20) == 'O') |
575 | && ((pName[3] & ~0x20) == 'C') |
576 | && ((pName[4] & ~0x20) == 'K') |
577 | && (pName[5] == '$') |
578 | && !pName[6]) |
579 | return true; |
580 | break; |
581 | case 'O': /* COMx, CON, CONIN$ CONOUT$ */ |
582 | if ((pName[2] & ~0x20) == 'M') { |
583 | if ((pName[3] >= '1') && (pName[3] <= '9') |
584 | && !pName[4]) |
585 | return true; |
586 | } |
587 | else if ((pName[2] & ~0x20) == 'N') { |
588 | if (!pName[3]) |
589 | return true; |
590 | else if ((pName[3] & ~0x20) == 'I') { |
591 | if (((pName[4] & ~0x20) == 'N') |
592 | && (pName[5] == '$') |
593 | && !pName[6]) |
594 | return true; |
595 | } |
596 | else if ((pName[3] & ~0x20) == 'O') { |
597 | if (((pName[4] & ~0x20) == 'U') |
598 | && ((pName[5] & ~0x20) == 'T') |
599 | && (pName[6] == '$') |
600 | && !pName[7]) |
601 | return true; |
602 | } |
603 | } |
604 | break; |
605 | } |
606 | break; |
607 | case 'L': /* LPTx */ |
608 | if (((pName[1] & ~0x20) == 'U') |
609 | && ((pName[2] & ~0x20) == 'X') |
610 | && (pName[3] >= '1') && (pName[3] <= '9') |
611 | && !pName[4]) |
612 | return true; |
613 | break; |
614 | case 'N': /* NUL */ |
615 | if (((pName[1] & ~0x20) == 'U') |
616 | && ((pName[2] & ~0x20) == 'L') |
617 | && !pName[3]) |
618 | return true; |
619 | break; |
620 | case 'P': /* PRN */ |
621 | if (((pName[1] & ~0x20) == 'R') |
622 | && ((pName[2] & ~0x20) == 'N') |
623 | && !pName[3]) |
624 | return true; |
625 | break; |
626 | } |
627 | return false; |
628 | } |
629 | |
7766f137 |
630 | WCHAR* VDir::MapPathW(const WCHAR *pInName) |
631 | { /* |
632 | * possiblities -- relative path or absolute path with or without drive letter |
633 | * OR UNC name |
634 | */ |
635 | WCHAR szBuffer[(MAX_PATH+1)*2]; |
636 | WCHAR szlBuf[MAX_PATH+1]; |
93153446 |
637 | int length = wcslen(pInName); |
7766f137 |
638 | |
93153446 |
639 | if (!length) |
640 | return (WCHAR*)pInName; |
641 | |
642 | if (length > MAX_PATH) { |
7766f137 |
643 | wcsncpy(szlBuf, pInName, MAX_PATH); |
644 | if (IsPathSep(pInName[0]) && !IsPathSep(pInName[1])) { |
645 | /* absolute path - reduce length by 2 for drive specifier */ |
646 | szlBuf[MAX_PATH-2] = '\0'; |
647 | } |
648 | else |
649 | szlBuf[MAX_PATH] = '\0'; |
650 | pInName = szlBuf; |
651 | } |
652 | /* strlen(pInName) is now <= MAX_PATH */ |
653 | |
654 | if (pInName[1] == ':') { |
655 | /* has drive letter */ |
656 | if (IsPathSep(pInName[2])) { |
657 | /* absolute with drive letter */ |
98b36f88 |
658 | DoGetFullPathNameW((WCHAR*)pInName, (sizeof(szLocalBufferW)/sizeof(WCHAR)), szLocalBufferW); |
7766f137 |
659 | } |
660 | else { |
661 | /* relative path with drive letter */ |
662 | wcscpy(szBuffer, GetDirW(DriveIndex((char)*pInName))); |
663 | wcscat(szBuffer, &pInName[2]); |
664 | if(wcslen(szBuffer) > MAX_PATH) |
665 | szBuffer[MAX_PATH] = '\0'; |
666 | |
667 | DoGetFullPathNameW(szBuffer, (sizeof(szLocalBufferW)/sizeof(WCHAR)), szLocalBufferW); |
668 | } |
669 | } |
670 | else { |
671 | /* no drive letter */ |
672 | if (IsPathSep(pInName[1]) && IsPathSep(pInName[0])) { |
673 | /* UNC name */ |
98b36f88 |
674 | DoGetFullPathNameW((WCHAR*)pInName, (sizeof(szLocalBufferW)/sizeof(WCHAR)), szLocalBufferW); |
7766f137 |
675 | } |
676 | else { |
677 | wcscpy(szBuffer, GetDefaultDirW()); |
678 | if (IsPathSep(pInName[0])) { |
679 | /* absolute path */ |
98b36f88 |
680 | wcscpy(&szBuffer[2], pInName); |
681 | DoGetFullPathNameW(szBuffer, (sizeof(szLocalBufferW)/sizeof(WCHAR)), szLocalBufferW); |
7766f137 |
682 | } |
683 | else { |
684 | /* relative path */ |
e2694c95 |
685 | if (IsSpecialFileName(pInName)) { |
686 | return (WCHAR*)pInName; |
687 | } |
688 | else { |
689 | wcscat(szBuffer, pInName); |
690 | if (wcslen(szBuffer) > MAX_PATH) |
691 | szBuffer[MAX_PATH] = '\0'; |
7766f137 |
692 | |
e2694c95 |
693 | DoGetFullPathNameW(szBuffer, (sizeof(szLocalBufferW)/sizeof(WCHAR)), szLocalBufferW); |
694 | } |
7766f137 |
695 | } |
696 | } |
697 | } |
698 | return szLocalBufferW; |
699 | } |
700 | |
fd9459bc |
701 | int VDir::SetCurrentDirectoryW(WCHAR *lpBuffer) |
702 | { |
93153446 |
703 | WCHAR *pPtr; |
fd9459bc |
704 | int length, nRet = -1; |
705 | |
93153446 |
706 | pPtr = MapPathW(lpBuffer); |
707 | length = wcslen(pPtr); |
708 | if(length > 3 && IsPathSep(pPtr[length-1])) { |
709 | /* don't remove the trailing slash from 'x:\' */ |
710 | pPtr[length-1] = '\0'; |
fd9459bc |
711 | } |
712 | |
93153446 |
713 | DWORD r = GetFileAttributesW(pPtr); |
714 | if ((r != 0xffffffff) && (r & FILE_ATTRIBUTE_DIRECTORY)) |
715 | { |
2eb25c99 |
716 | WCHAR wBuffer[(MAX_PATH+1)*2]; |
717 | DoGetFullPathNameW(pPtr, (sizeof(wBuffer)/sizeof(WCHAR)), wBuffer); |
718 | SetDefaultDirW(wBuffer, DriveIndex((char)wBuffer[0])); |
fd9459bc |
719 | nRet = 0; |
720 | } |
93153446 |
721 | |
fd9459bc |
722 | return nRet; |
723 | } |
7766f137 |
724 | |
725 | #endif /* ___VDir_H___ */ |