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a405b86d | 1 | /** @file\r |
2 | Provides interface to shell MAN file parser.\r | |
3 | \r | |
8d4eec6d | 4 | Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR>\r |
52d1f930 | 5 | Copyright 2015 Dell Inc.\r |
a405b86d | 6 | This program and the accompanying materials\r |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
16 | #include "Shell.h"\r | |
17 | \r | |
8d4eec6d QS |
18 | #define SHELL_MAN_HII_GUID \\r |
19 | { \\r | |
20 | 0xf62ccd0c, 0x2449, 0x453c, { 0x8a, 0xcb, 0x8c, 0xc5, 0x7c, 0xf0, 0x2a, 0x97 } \\r | |
21 | }\r | |
22 | \r | |
23 | EFI_HII_HANDLE mShellManHiiHandle = NULL;\r | |
24 | EFI_HANDLE mShellManDriverHandle = NULL;\r | |
25 | \r | |
26 | \r | |
27 | SHELL_MAN_HII_VENDOR_DEVICE_PATH mShellManHiiDevicePath = {\r | |
28 | {\r | |
29 | {\r | |
30 | HARDWARE_DEVICE_PATH,\r | |
31 | HW_VENDOR_DP,\r | |
32 | {\r | |
33 | (UINT8) (sizeof (VENDOR_DEVICE_PATH)),\r | |
34 | (UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8)\r | |
35 | }\r | |
36 | },\r | |
37 | SHELL_MAN_HII_GUID\r | |
38 | },\r | |
39 | {\r | |
40 | END_DEVICE_PATH_TYPE,\r | |
41 | END_ENTIRE_DEVICE_PATH_SUBTYPE,\r | |
42 | {\r | |
43 | (UINT8) (END_DEVICE_PATH_LENGTH),\r | |
44 | (UINT8) ((END_DEVICE_PATH_LENGTH) >> 8)\r | |
45 | }\r | |
46 | }\r | |
47 | };\r | |
48 | \r | |
49 | \r | |
aa6f7931 QS |
50 | /**\r |
51 | Convert a Unicode character to upper case only if\r | |
52 | it maps to a valid small-case ASCII character.\r | |
53 | \r | |
54 | This internal function only deal with Unicode character\r | |
55 | which maps to a valid small-case ASCII character, i.e.\r | |
56 | L'a' to L'z'. For other Unicode character, the input character\r | |
57 | is returned directly.\r | |
58 | \r | |
59 | @param Char The character to convert.\r | |
60 | \r | |
61 | @retval LowerCharacter If the Char is with range L'a' to L'z'.\r | |
62 | @retval Unchanged Otherwise.\r | |
63 | \r | |
64 | **/\r | |
65 | CHAR16\r | |
66 | EFIAPI \r | |
67 | InternalShellCharToUpper (\r | |
68 | IN CHAR16 Char\r | |
69 | );\r | |
52d1f930 | 70 | \r |
8d4eec6d QS |
71 | /**\r |
72 | Verifies that the filename has .EFI on the end.\r | |
73 | \r | |
74 | allocates a new buffer and copies the name (appending .EFI if necessary).\r | |
75 | Caller to free the buffer.\r | |
76 | \r | |
77 | @param[in] NameString original name string\r | |
78 | \r | |
79 | @return the new filename with .efi as the extension.\r | |
80 | **/\r | |
81 | CHAR16 *\r | |
82 | EFIAPI\r | |
83 | GetExecuatableFileName (\r | |
84 | IN CONST CHAR16 *NameString\r | |
85 | )\r | |
86 | {\r | |
87 | CHAR16 *Buffer;\r | |
88 | CHAR16 *SuffixStr;\r | |
89 | if (NameString == NULL) {\r | |
90 | return (NULL);\r | |
91 | }\r | |
92 | \r | |
93 | //\r | |
94 | // Fix the file name\r | |
95 | //\r | |
96 | if (StrnCmp(NameString+StrLen(NameString)-StrLen(L".efi"), L".efi", StrLen(L".efi"))==0) {\r | |
97 | Buffer = AllocateCopyPool(StrSize(NameString), NameString);\r | |
98 | } else if (StrnCmp(NameString+StrLen(NameString)-StrLen(L".man"), L".man", StrLen(L".man"))==0) {\r | |
99 | Buffer = AllocateCopyPool(StrSize(NameString), NameString);\r | |
100 | if (Buffer != NULL) {\r | |
101 | SuffixStr = Buffer+StrLen(Buffer)-StrLen(L".man");\r | |
102 | StrnCpyS (SuffixStr, StrSize(L".man")/sizeof(CHAR16), L".efi", StrLen(L".efi"));\r | |
103 | }\r | |
104 | } else {\r | |
105 | Buffer = AllocateZeroPool(StrSize(NameString) + StrLen(L".efi")*sizeof(CHAR16));\r | |
106 | if (Buffer != NULL) {\r | |
107 | StrnCpyS( Buffer,\r | |
108 | (StrSize(NameString) + StrLen(L".efi")*sizeof(CHAR16))/sizeof(CHAR16),\r | |
109 | NameString,\r | |
110 | StrLen(NameString)\r | |
111 | );\r | |
112 | StrnCatS( Buffer,\r | |
113 | (StrSize(NameString) + StrLen(L".efi")*sizeof(CHAR16))/sizeof(CHAR16),\r | |
114 | L".efi",\r | |
115 | StrLen(L".efi")\r | |
116 | );\r | |
117 | }\r | |
118 | }\r | |
119 | return (Buffer);\r | |
120 | \r | |
121 | }\r | |
122 | \r | |
a405b86d | 123 | /**\r |
124 | Verifies that the filename has .MAN on the end.\r | |
125 | \r | |
126 | allocates a new buffer and copies the name (appending .MAN if necessary)\r | |
127 | \r | |
128 | ASSERT if ManFileName is NULL\r | |
129 | \r | |
130 | @param[in] ManFileName original filename\r | |
131 | \r | |
132 | @return the new filename with .man as the extension.\r | |
133 | **/\r | |
134 | CHAR16 *\r | |
135 | EFIAPI\r | |
136 | GetManFileName(\r | |
137 | IN CONST CHAR16 *ManFileName\r | |
138 | )\r | |
139 | {\r | |
140 | CHAR16 *Buffer;\r | |
3c865f20 | 141 | if (ManFileName == NULL) {\r |
142 | return (NULL);\r | |
143 | }\r | |
a405b86d | 144 | //\r |
145 | // Fix the file name\r | |
146 | //\r | |
147 | if (StrnCmp(ManFileName+StrLen(ManFileName)-4, L".man", 4)==0) {\r | |
7f79b01e | 148 | Buffer = AllocateCopyPool(StrSize(ManFileName), ManFileName);\r |
a405b86d | 149 | } else {\r |
150 | Buffer = AllocateZeroPool(StrSize(ManFileName) + 4*sizeof(CHAR16));\r | |
3c865f20 | 151 | if (Buffer != NULL) {\r |
e75390f0 QS |
152 | StrnCpyS( Buffer, \r |
153 | (StrSize(ManFileName) + 4*sizeof(CHAR16))/sizeof(CHAR16), \r | |
154 | ManFileName, \r | |
155 | StrLen(ManFileName)\r | |
156 | );\r | |
157 | StrnCatS( Buffer, \r | |
158 | (StrSize(ManFileName) + 4*sizeof(CHAR16))/sizeof(CHAR16),\r | |
159 | L".man", \r | |
160 | 4\r | |
161 | );\r | |
3c865f20 | 162 | }\r |
a405b86d | 163 | }\r |
164 | return (Buffer);\r | |
165 | }\r | |
166 | \r | |
167 | /**\r | |
168 | Search the path environment variable for possible locations and test for\r | |
169 | which one contains a man file with the name specified. If a valid file is found\r | |
170 | stop searching and return the (opened) SHELL_FILE_HANDLE for that file.\r | |
171 | \r | |
172 | @param[in] FileName Name of the file to find and open.\r | |
173 | @param[out] Handle Pointer to the handle of the found file. The\r | |
174 | value of this is undefined for return values\r | |
175 | except EFI_SUCCESS.\r | |
176 | \r | |
177 | @retval EFI_SUCCESS The file was found. Handle is a valid SHELL_FILE_HANDLE\r | |
178 | @retval EFI_INVALID_PARAMETER A parameter had an invalid value.\r | |
179 | @retval EFI_NOT_FOUND The file was not found.\r | |
180 | **/\r | |
181 | EFI_STATUS\r | |
182 | EFIAPI\r | |
183 | SearchPathForFile(\r | |
184 | IN CONST CHAR16 *FileName,\r | |
185 | OUT SHELL_FILE_HANDLE *Handle\r | |
186 | )\r | |
187 | {\r | |
188 | CHAR16 *FullFileName;\r | |
189 | EFI_STATUS Status;\r | |
190 | \r | |
191 | if ( FileName == NULL\r | |
192 | || Handle == NULL\r | |
193 | || StrLen(FileName) == 0\r | |
194 | ){\r | |
195 | return (EFI_INVALID_PARAMETER);\r | |
196 | }\r | |
197 | \r | |
198 | FullFileName = ShellFindFilePath(FileName);\r | |
199 | if (FullFileName == NULL) {\r | |
200 | return (EFI_NOT_FOUND);\r | |
201 | }\r | |
202 | \r | |
203 | //\r | |
204 | // now open that file\r | |
205 | //\r | |
206 | Status = EfiShellOpenFileByName(FullFileName, Handle, EFI_FILE_MODE_READ);\r | |
207 | FreePool(FullFileName);\r | |
208 | \r | |
209 | return (Status);\r | |
210 | }\r | |
211 | \r | |
212 | /**\r | |
213 | parses through Buffer (which is MAN file formatted) and returns the\r | |
214 | detailed help for any sub section specified in the comma seperated list of\r | |
215 | sections provided. If the end of the file or a .TH section is found then\r | |
216 | return.\r | |
217 | \r | |
218 | Upon a sucessful return the caller is responsible to free the memory in *HelpText\r | |
219 | \r | |
220 | @param[in] Buffer Buffer to read from\r | |
221 | @param[in] Sections name of command's sub sections to find\r | |
222 | @param[in] HelpText pointer to pointer to string where text goes.\r | |
223 | @param[in] HelpSize pointer to size of allocated HelpText (may be updated)\r | |
224 | \r | |
225 | @retval EFI_OUT_OF_RESOURCES a memory allocation failed.\r | |
226 | @retval EFI_SUCCESS the section was found and its description sotred in\r | |
227 | an alloceted buffer.\r | |
228 | **/\r | |
229 | EFI_STATUS\r | |
230 | EFIAPI\r | |
231 | ManBufferFindSections(\r | |
232 | IN CONST CHAR16 *Buffer,\r | |
233 | IN CONST CHAR16 *Sections,\r | |
234 | IN CHAR16 **HelpText,\r | |
235 | IN UINTN *HelpSize\r | |
236 | )\r | |
237 | {\r | |
238 | EFI_STATUS Status;\r | |
239 | CONST CHAR16 *CurrentLocation;\r | |
240 | BOOLEAN CurrentlyReading;\r | |
241 | CHAR16 *SectionName;\r | |
242 | UINTN SectionLen;\r | |
243 | BOOLEAN Found;\r | |
244 | CHAR16 *TempString;\r | |
245 | CHAR16 *TempString2;\r | |
246 | \r | |
247 | if ( Buffer == NULL\r | |
248 | || HelpText == NULL\r | |
249 | || HelpSize == NULL\r | |
250 | ){\r | |
251 | return (EFI_INVALID_PARAMETER);\r | |
252 | }\r | |
253 | \r | |
254 | Status = EFI_SUCCESS;\r | |
255 | CurrentlyReading = FALSE;\r | |
256 | Found = FALSE;\r | |
257 | \r | |
258 | for (CurrentLocation = Buffer,TempString = NULL\r | |
259 | ; CurrentLocation != NULL && *CurrentLocation != CHAR_NULL\r | |
260 | ; CurrentLocation=StrStr(CurrentLocation, L"\r\n"),TempString = NULL\r | |
261 | ){\r | |
262 | while(CurrentLocation[0] == L'\r' || CurrentLocation[0] == L'\n') {\r | |
263 | CurrentLocation++;\r | |
264 | }\r | |
265 | if (CurrentLocation[0] == L'#') {\r | |
266 | //\r | |
267 | // Skip comment lines\r | |
268 | //\r | |
269 | continue;\r | |
270 | }\r | |
271 | if (StrnCmp(CurrentLocation, L".TH", 3) == 0) {\r | |
272 | //\r | |
273 | // we hit the end of this commands section so stop.\r | |
274 | //\r | |
275 | break;\r | |
276 | }\r | |
277 | if (StrnCmp(CurrentLocation, L".SH ", 4) == 0) {\r | |
278 | if (Sections == NULL) {\r | |
279 | CurrentlyReading = TRUE;\r | |
280 | continue;\r | |
281 | } else if (CurrentlyReading) {\r | |
282 | CurrentlyReading = FALSE;\r | |
283 | }\r | |
284 | CurrentLocation += 4;\r | |
285 | //\r | |
286 | // is this a section we want to read in?\r | |
287 | //\r | |
288 | if (StrLen(CurrentLocation)!=0) {\r | |
289 | TempString2 = StrStr(CurrentLocation, L" ");\r | |
290 | TempString2 = MIN(TempString2, StrStr(CurrentLocation, L"\r"));\r | |
291 | TempString2 = MIN(TempString2, StrStr(CurrentLocation, L"\n"));\r | |
292 | ASSERT(TempString == NULL);\r | |
293 | TempString = StrnCatGrow(&TempString, NULL, CurrentLocation, TempString2==NULL?0:TempString2 - CurrentLocation);\r | |
532691c8 | 294 | if (TempString == NULL) {\r |
295 | Status = EFI_OUT_OF_RESOURCES;\r | |
296 | break;\r | |
297 | }\r | |
a405b86d | 298 | SectionName = TempString;\r |
299 | SectionLen = StrLen(SectionName);\r | |
300 | SectionName = StrStr(Sections, SectionName);\r | |
301 | if (SectionName == NULL) {\r | |
4afbcc11 | 302 | SHELL_FREE_NON_NULL(TempString);\r |
a405b86d | 303 | continue;\r |
304 | }\r | |
305 | if (*(SectionName + SectionLen) == CHAR_NULL || *(SectionName + SectionLen) == L',') {\r | |
306 | CurrentlyReading = TRUE;\r | |
307 | }\r | |
308 | }\r | |
309 | } else if (CurrentlyReading) {\r | |
310 | Found = TRUE;\r | |
311 | if (StrLen(CurrentLocation)!=0) {\r | |
312 | TempString2 = StrStr(CurrentLocation, L"\r");\r | |
313 | TempString2 = MIN(TempString2, StrStr(CurrentLocation, L"\n"));\r | |
314 | ASSERT(TempString == NULL);\r | |
315 | TempString = StrnCatGrow(&TempString, NULL, CurrentLocation, TempString2==NULL?0:TempString2 - CurrentLocation);\r | |
532691c8 | 316 | if (TempString == NULL) {\r |
317 | Status = EFI_OUT_OF_RESOURCES;\r | |
318 | break;\r | |
319 | }\r | |
a405b86d | 320 | //\r |
321 | // copy and save the current line.\r | |
322 | //\r | |
323 | ASSERT((*HelpText == NULL && *HelpSize == 0) || (*HelpText != NULL));\r | |
324 | StrnCatGrow (HelpText, HelpSize, TempString, 0);\r | |
532691c8 | 325 | if (HelpText == NULL) {\r |
326 | Status = EFI_OUT_OF_RESOURCES;\r | |
327 | break;\r | |
328 | }\r | |
a405b86d | 329 | StrnCatGrow (HelpText, HelpSize, L"\r\n", 0);\r |
532691c8 | 330 | if (HelpText == NULL) {\r |
331 | Status = EFI_OUT_OF_RESOURCES;\r | |
332 | break;\r | |
333 | }\r | |
a405b86d | 334 | }\r |
335 | }\r | |
336 | SHELL_FREE_NON_NULL(TempString);\r | |
337 | }\r | |
4afbcc11 | 338 | SHELL_FREE_NON_NULL(TempString);\r |
a405b86d | 339 | if (!Found && !EFI_ERROR(Status)) {\r |
340 | return (EFI_NOT_FOUND);\r | |
341 | }\r | |
342 | return (Status);\r | |
343 | }\r | |
344 | \r | |
345 | /**\r | |
346 | parses through the MAN file specified by SHELL_FILE_HANDLE and returns the\r | |
347 | detailed help for any sub section specified in the comma seperated list of\r | |
348 | sections provided. If the end of the file or a .TH section is found then\r | |
349 | return.\r | |
350 | \r | |
351 | Upon a sucessful return the caller is responsible to free the memory in *HelpText\r | |
352 | \r | |
353 | @param[in] Handle FileHandle to read from\r | |
354 | @param[in] Sections name of command's sub sections to find\r | |
355 | @param[out] HelpText pointer to pointer to string where text goes.\r | |
356 | @param[out] HelpSize pointer to size of allocated HelpText (may be updated)\r | |
357 | @param[in] Ascii TRUE if the file is ASCII, FALSE otherwise.\r | |
358 | \r | |
359 | @retval EFI_OUT_OF_RESOURCES a memory allocation failed.\r | |
360 | @retval EFI_SUCCESS the section was found and its description sotred in\r | |
361 | an alloceted buffer.\r | |
362 | **/\r | |
363 | EFI_STATUS\r | |
364 | EFIAPI\r | |
365 | ManFileFindSections(\r | |
366 | IN SHELL_FILE_HANDLE Handle,\r | |
367 | IN CONST CHAR16 *Sections,\r | |
368 | OUT CHAR16 **HelpText,\r | |
369 | OUT UINTN *HelpSize,\r | |
370 | IN BOOLEAN Ascii\r | |
371 | )\r | |
372 | {\r | |
373 | EFI_STATUS Status;\r | |
374 | CHAR16 *ReadLine;\r | |
375 | UINTN Size;\r | |
376 | BOOLEAN CurrentlyReading;\r | |
377 | CHAR16 *SectionName;\r | |
378 | UINTN SectionLen;\r | |
379 | BOOLEAN Found;\r | |
380 | \r | |
381 | if ( Handle == NULL\r | |
382 | || HelpText == NULL\r | |
383 | || HelpSize == NULL\r | |
384 | ){\r | |
385 | return (EFI_INVALID_PARAMETER);\r | |
386 | }\r | |
387 | \r | |
388 | Status = EFI_SUCCESS;\r | |
389 | CurrentlyReading = FALSE;\r | |
390 | Size = 1024;\r | |
391 | Found = FALSE;\r | |
392 | \r | |
393 | ReadLine = AllocateZeroPool(Size);\r | |
394 | if (ReadLine == NULL) {\r | |
395 | return (EFI_OUT_OF_RESOURCES);\r | |
396 | }\r | |
397 | \r | |
398 | for (;!ShellFileHandleEof(Handle);Size = 1024) {\r | |
399 | Status = ShellFileHandleReadLine(Handle, ReadLine, &Size, TRUE, &Ascii);\r | |
400 | if (ReadLine[0] == L'#') {\r | |
401 | //\r | |
402 | // Skip comment lines\r | |
403 | //\r | |
404 | continue;\r | |
405 | }\r | |
406 | //\r | |
407 | // ignore too small of buffer...\r | |
408 | //\r | |
409 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
410 | Status = EFI_SUCCESS;\r | |
411 | }\r | |
412 | if (EFI_ERROR(Status)) {\r | |
413 | break;\r | |
414 | } else if (StrnCmp(ReadLine, L".TH", 3) == 0) {\r | |
415 | //\r | |
416 | // we hit the end of this commands section so stop.\r | |
417 | //\r | |
418 | break;\r | |
419 | } else if (StrnCmp(ReadLine, L".SH", 3) == 0) {\r | |
420 | if (Sections == NULL) {\r | |
421 | CurrentlyReading = TRUE;\r | |
422 | continue;\r | |
423 | }\r | |
424 | //\r | |
425 | // we found a section\r | |
426 | //\r | |
427 | if (CurrentlyReading) {\r | |
428 | CurrentlyReading = FALSE;\r | |
429 | }\r | |
430 | //\r | |
431 | // is this a section we want to read in?\r | |
432 | //\r | |
433 | for ( SectionName = ReadLine + 3\r | |
434 | ; *SectionName == L' '\r | |
435 | ; SectionName++);\r | |
436 | SectionLen = StrLen(SectionName);\r | |
437 | SectionName = StrStr(Sections, SectionName);\r | |
438 | if (SectionName == NULL) {\r | |
439 | continue;\r | |
440 | }\r | |
441 | if (*(SectionName + SectionLen) == CHAR_NULL || *(SectionName + SectionLen) == L',') {\r | |
442 | CurrentlyReading = TRUE;\r | |
443 | }\r | |
444 | } else if (CurrentlyReading) {\r | |
445 | Found = TRUE;\r | |
446 | //\r | |
447 | // copy and save the current line.\r | |
448 | //\r | |
449 | ASSERT((*HelpText == NULL && *HelpSize == 0) || (*HelpText != NULL));\r | |
450 | StrnCatGrow (HelpText, HelpSize, ReadLine, 0);\r | |
451 | StrnCatGrow (HelpText, HelpSize, L"\r\n", 0);\r | |
452 | }\r | |
453 | }\r | |
454 | FreePool(ReadLine);\r | |
455 | if (!Found && !EFI_ERROR(Status)) {\r | |
456 | return (EFI_NOT_FOUND);\r | |
457 | }\r | |
458 | return (Status);\r | |
459 | }\r | |
460 | \r | |
461 | /**\r | |
462 | parses through the MAN file formatted Buffer and returns the\r | |
463 | "Brief Description" for the .TH section as specified by Command. If the\r | |
464 | command section is not found return EFI_NOT_FOUND.\r | |
465 | \r | |
466 | Upon a sucessful return the caller is responsible to free the memory in *BriefDesc\r | |
467 | \r | |
8d4eec6d | 468 | @param[in] Buffer Buffer to read from\r |
a405b86d | 469 | @param[in] Command name of command's section to find\r |
470 | @param[in] BriefDesc pointer to pointer to string where description goes.\r | |
471 | @param[in] BriefSize pointer to size of allocated BriefDesc\r | |
472 | \r | |
473 | @retval EFI_OUT_OF_RESOURCES a memory allocation failed.\r | |
474 | @retval EFI_SUCCESS the section was found and its description sotred in\r | |
475 | an alloceted buffer.\r | |
476 | **/\r | |
477 | EFI_STATUS\r | |
478 | EFIAPI\r | |
479 | ManBufferFindTitleSection(\r | |
480 | IN CHAR16 **Buffer,\r | |
481 | IN CONST CHAR16 *Command,\r | |
482 | IN CHAR16 **BriefDesc,\r | |
483 | IN UINTN *BriefSize\r | |
484 | )\r | |
485 | {\r | |
486 | EFI_STATUS Status;\r | |
487 | CHAR16 *TitleString;\r | |
488 | CHAR16 *TitleEnd;\r | |
489 | CHAR16 *CurrentLocation;\r | |
7f79b01e | 490 | UINTN TitleLength;\r |
8d4eec6d | 491 | UINTN Start;\r |
7f79b01e JC |
492 | CONST CHAR16 StartString[] = L".TH ";\r |
493 | CONST CHAR16 EndString[] = L" 0 ";\r | |
a405b86d | 494 | \r |
495 | if ( Buffer == NULL\r | |
496 | || Command == NULL\r | |
497 | || (BriefDesc != NULL && BriefSize == NULL)\r | |
498 | ){\r | |
499 | return (EFI_INVALID_PARAMETER);\r | |
500 | }\r | |
501 | \r | |
502 | Status = EFI_SUCCESS;\r | |
503 | \r | |
8d4eec6d QS |
504 | //\r |
505 | // Do not pass any leading path information that may be present to IsTitleHeader().\r | |
506 | //\r | |
507 | Start = StrLen(Command);\r | |
508 | while ((Start != 0)\r | |
509 | && (*(Command + Start - 1) != L'\\')\r | |
510 | && (*(Command + Start - 1) != L'/')\r | |
511 | && (*(Command + Start - 1) != L':')) {\r | |
512 | --Start;\r | |
513 | }\r | |
514 | \r | |
7f79b01e JC |
515 | //\r |
516 | // more characters for StartString and EndString\r | |
517 | //\r | |
8d4eec6d | 518 | TitleLength = StrSize(Command + Start) + (StrLen(StartString) + StrLen(EndString)) * sizeof(CHAR16);\r |
7f79b01e | 519 | TitleString = AllocateZeroPool(TitleLength);\r |
a405b86d | 520 | if (TitleString == NULL) {\r |
521 | return (EFI_OUT_OF_RESOURCES);\r | |
522 | }\r | |
e75390f0 | 523 | StrCpyS(TitleString, TitleLength/sizeof(CHAR16), StartString);\r |
8d4eec6d | 524 | StrCatS(TitleString, TitleLength/sizeof(CHAR16), Command + Start);\r |
e75390f0 | 525 | StrCatS(TitleString, TitleLength/sizeof(CHAR16), EndString);\r |
a405b86d | 526 | \r |
527 | CurrentLocation = StrStr(*Buffer, TitleString);\r | |
528 | if (CurrentLocation == NULL){\r | |
529 | Status = EFI_NOT_FOUND;\r | |
530 | } else {\r | |
531 | //\r | |
532 | // we found it so copy out the rest of the line into BriefDesc\r | |
533 | // After skipping any spaces or zeroes\r | |
534 | //\r | |
535 | for (CurrentLocation += StrLen(TitleString)\r | |
536 | ; *CurrentLocation == L' ' || *CurrentLocation == L'0' || *CurrentLocation == L'1' || *CurrentLocation == L'\"'\r | |
537 | ; CurrentLocation++);\r | |
538 | \r | |
539 | TitleEnd = StrStr(CurrentLocation, L"\"");\r | |
733f138d | 540 | if (TitleEnd == NULL) {\r |
541 | Status = EFI_DEVICE_ERROR;\r | |
542 | } else {\r | |
543 | if (BriefDesc != NULL) {\r | |
544 | *BriefSize = StrSize(TitleEnd);\r | |
545 | *BriefDesc = AllocateZeroPool(*BriefSize);\r | |
546 | if (*BriefDesc == NULL) {\r | |
547 | Status = EFI_OUT_OF_RESOURCES;\r | |
548 | } else {\r | |
e75390f0 | 549 | StrnCpyS(*BriefDesc, (*BriefSize)/sizeof(CHAR16), CurrentLocation, TitleEnd-CurrentLocation);\r |
733f138d | 550 | }\r |
a405b86d | 551 | }\r |
a405b86d | 552 | \r |
733f138d | 553 | for (CurrentLocation = TitleEnd\r |
554 | ; *CurrentLocation != L'\n'\r | |
555 | ; CurrentLocation++);\r | |
556 | for (\r | |
557 | ; *CurrentLocation == L' ' || *CurrentLocation == L'\n' || *CurrentLocation == L'\r'\r | |
558 | ; CurrentLocation++);\r | |
559 | *Buffer = CurrentLocation;\r | |
560 | }\r | |
a405b86d | 561 | }\r |
562 | \r | |
563 | FreePool(TitleString);\r | |
564 | return (Status);\r | |
565 | }\r | |
566 | \r | |
52d1f930 JD |
567 | /**\r |
568 | Parses a line from a MAN file to see if it is the Title Header. If it is, then\r | |
569 | if the "Brief Description" is desired, allocate a buffer for it and return a\r | |
570 | copy. Upon a sucessful return the caller is responsible to free the memory in\r | |
571 | *BriefDesc\r | |
572 | \r | |
573 | Uses a simple state machine that allows "unlimited" whitespace before and after the\r | |
574 | ".TH", compares Command and the MAN file commnd name without respect to case, and\r | |
575 | allows "unlimited" whitespace and '0' and '1' characters before the Short Description.\r | |
576 | The PCRE regex describing this functionality is: ^\s*\.TH\s+(\S)\s[\s01]*(.*)$\r | |
577 | where group 1 is the Command Name and group 2 is the Short Description.\r | |
578 | \r | |
579 | @param[in] Command name of command whose MAN file we think Line came from\r | |
580 | @param[in] Line Pointer to a line from the MAN file\r | |
581 | @param[out] BriefDesc pointer to pointer to string where description goes.\r | |
582 | @param[out] BriefSize pointer to size of allocated BriefDesc\r | |
583 | @param[out] Found TRUE if the Title Header was found and it belongs to Command\r | |
584 | \r | |
585 | @retval TRUE Line contained the Title Header\r | |
586 | @retval FALSE Line did not contain the Title Header\r | |
587 | **/\r | |
588 | BOOLEAN\r | |
589 | IsTitleHeader(\r | |
590 | IN CONST CHAR16 *Command,\r | |
591 | IN CHAR16 *Line,\r | |
592 | OUT CHAR16 **BriefDesc OPTIONAL,\r | |
593 | OUT UINTN *BriefSize OPTIONAL,\r | |
594 | OUT BOOLEAN *Found\r | |
595 | )\r | |
596 | {\r | |
597 | // The states of a simple state machine used to recognize a title header line\r | |
598 | // and to extract the Short Description, if desired.\r | |
599 | typedef enum {\r | |
600 | LookForThMacro, LookForCommandName, CompareCommands, GetBriefDescription, Final\r | |
601 | } STATEVALUES;\r | |
602 | \r | |
603 | STATEVALUES State;\r | |
604 | UINTN CommandIndex; // Indexes Command as we compare its chars to the MAN file.\r | |
605 | BOOLEAN ReturnValue; // TRUE if this the Title Header line of *some* MAN file.\r | |
606 | BOOLEAN ReturnFound; // TRUE if this the Title Header line of *the desired* MAN file.\r | |
607 | \r | |
608 | ReturnValue = FALSE;\r | |
609 | ReturnFound = FALSE;\r | |
610 | CommandIndex = 0;\r | |
611 | State = LookForThMacro;\r | |
612 | \r | |
613 | do {\r | |
614 | \r | |
615 | if (*Line == L'\0') {\r | |
616 | break;\r | |
617 | }\r | |
618 | \r | |
619 | switch (State) {\r | |
620 | \r | |
621 | // Handle "^\s*.TH\s"\r | |
622 | // Go to state LookForCommandName if the title header macro is present; otherwise,\r | |
623 | // eat white space. If we see something other than white space, this is not a\r | |
624 | // title header line.\r | |
625 | case LookForThMacro:\r | |
626 | if (StrnCmp (L".TH ", Line, 4) == 0 || StrnCmp (L".TH\t", Line, 4) == 0) {\r | |
627 | Line += 4;\r | |
628 | State = LookForCommandName;\r | |
629 | }\r | |
630 | else if (*Line == L' ' || *Line == L'\t') {\r | |
631 | Line++;\r | |
632 | }\r | |
633 | else {\r | |
634 | State = Final;\r | |
635 | }\r | |
636 | break;\r | |
637 | \r | |
638 | // Handle "\s*"\r | |
639 | // Eat any "extra" whitespace after the title header macro (we have already seen\r | |
640 | // at least one white space character). Go to state CompareCommands when a\r | |
641 | // non-white space is seen.\r | |
642 | case LookForCommandName:\r | |
643 | if (*Line == L' ' || *Line == L'\t') {\r | |
644 | Line++;\r | |
645 | }\r | |
646 | else {\r | |
647 | ReturnValue = TRUE; // This is *some* command's title header line.\r | |
648 | State = CompareCommands;\r | |
649 | // Do not increment Line; it points to the first character of the command\r | |
650 | // name on the title header line.\r | |
651 | }\r | |
652 | break;\r | |
653 | \r | |
654 | // Handle "(\S)\s"\r | |
655 | // Compare Command to the title header command name, ignoring case. When we\r | |
656 | // reach the end of the command (i.e. we see white space), the next state\r | |
657 | // depends on whether the caller wants a copy of the Brief Description.\r | |
658 | case CompareCommands:\r | |
659 | if (*Line == L' ' || *Line == L'\t') {\r | |
660 | ReturnFound = TRUE; // This is the desired command's title header line.\r | |
661 | State = (BriefDesc == NULL) ? Final : GetBriefDescription;\r | |
662 | }\r | |
663 | else if (InternalShellCharToUpper (*Line) != InternalShellCharToUpper (*(Command + CommandIndex++))) {\r | |
664 | State = Final;\r | |
665 | }\r | |
666 | Line++;\r | |
667 | break;\r | |
668 | \r | |
669 | // Handle "[\s01]*(.*)$"\r | |
670 | // Skip whitespace, '0', and '1' characters, if any, prior to the brief description.\r | |
671 | // Return the description to the caller.\r | |
672 | case GetBriefDescription:\r | |
673 | if (*Line != L' ' && *Line != L'\t' && *Line != L'0' && *Line != L'1') {\r | |
674 | *BriefSize = StrSize(Line);\r | |
675 | *BriefDesc = AllocateZeroPool(*BriefSize);\r | |
676 | if (*BriefDesc != NULL) {\r | |
677 | StrCpyS(*BriefDesc, (*BriefSize)/sizeof(CHAR16), Line);\r | |
678 | }\r | |
679 | State = Final;\r | |
680 | }\r | |
681 | Line++;\r | |
682 | break;\r | |
683 | \r | |
d8ed4dec PA |
684 | default:\r |
685 | break;\r | |
52d1f930 JD |
686 | }\r |
687 | \r | |
688 | } while (State < Final);\r | |
689 | \r | |
690 | *Found = ReturnFound;\r | |
691 | return ReturnValue;\r | |
692 | }\r | |
693 | \r | |
a405b86d | 694 | /**\r |
695 | parses through the MAN file specified by SHELL_FILE_HANDLE and returns the\r | |
52d1f930 | 696 | "Brief Description" for the .TH section as specified by Command. If the\r |
a405b86d | 697 | command section is not found return EFI_NOT_FOUND.\r |
698 | \r | |
699 | Upon a sucessful return the caller is responsible to free the memory in *BriefDesc\r | |
700 | \r | |
4ff7e37b | 701 | @param[in] Handle FileHandle to read from\r |
52d1f930 JD |
702 | @param[in] Command name of command's section to find as entered on the\r |
703 | command line (may be a relative or absolute path or\r | |
704 | be in any case: upper, lower, or mixed in numerous ways!).\r | |
4ff7e37b ED |
705 | @param[out] BriefDesc pointer to pointer to string where description goes.\r |
706 | @param[out] BriefSize pointer to size of allocated BriefDesc\r | |
707 | @param[in, out] Ascii TRUE if the file is ASCII, FALSE otherwise, will be\r | |
708 | set if the file handle is at the 0 position.\r | |
a405b86d | 709 | \r |
710 | @retval EFI_OUT_OF_RESOURCES a memory allocation failed.\r | |
52d1f930 JD |
711 | @retval EFI_SUCCESS the section was found and its description stored in\r |
712 | an allocated buffer if requested.\r | |
a405b86d | 713 | **/\r |
714 | EFI_STATUS\r | |
715 | EFIAPI\r | |
716 | ManFileFindTitleSection(\r | |
717 | IN SHELL_FILE_HANDLE Handle,\r | |
718 | IN CONST CHAR16 *Command,\r | |
719 | OUT CHAR16 **BriefDesc OPTIONAL,\r | |
720 | OUT UINTN *BriefSize OPTIONAL,\r | |
721 | IN OUT BOOLEAN *Ascii\r | |
722 | )\r | |
723 | {\r | |
724 | EFI_STATUS Status;\r | |
a405b86d | 725 | CHAR16 *ReadLine;\r |
726 | UINTN Size;\r | |
a405b86d | 727 | BOOLEAN Found;\r |
52d1f930 | 728 | UINTN Start;\r |
a405b86d | 729 | \r |
730 | if ( Handle == NULL\r | |
731 | || Command == NULL\r | |
732 | || (BriefDesc != NULL && BriefSize == NULL)\r | |
733 | ){\r | |
734 | return (EFI_INVALID_PARAMETER);\r | |
735 | }\r | |
736 | \r | |
737 | Status = EFI_SUCCESS;\r | |
738 | Size = 1024;\r | |
739 | Found = FALSE;\r | |
740 | \r | |
741 | ReadLine = AllocateZeroPool(Size);\r | |
742 | if (ReadLine == NULL) {\r | |
743 | return (EFI_OUT_OF_RESOURCES);\r | |
744 | }\r | |
745 | \r | |
52d1f930 JD |
746 | //\r |
747 | // Do not pass any leading path information that may be present to IsTitleHeader().\r | |
748 | //\r | |
749 | Start = StrLen(Command);\r | |
aa6f7931 | 750 | while ((Start != 0)\r |
52d1f930 JD |
751 | && (*(Command + Start - 1) != L'\\')\r |
752 | && (*(Command + Start - 1) != L'/')\r | |
753 | && (*(Command + Start - 1) != L':')) {\r | |
754 | --Start;\r | |
a405b86d | 755 | }\r |
d233c122 | 756 | \r |
a405b86d | 757 | for (;!ShellFileHandleEof(Handle);Size = 1024) {\r |
758 | Status = ShellFileHandleReadLine(Handle, ReadLine, &Size, TRUE, Ascii);\r | |
a405b86d | 759 | //\r |
760 | // ignore too small of buffer...\r | |
761 | //\r | |
52d1f930 | 762 | if (EFI_ERROR(Status) && Status != EFI_BUFFER_TOO_SMALL) {\r |
a405b86d | 763 | break;\r |
764 | }\r | |
52d1f930 JD |
765 | \r |
766 | Status = EFI_NOT_FOUND;\r | |
767 | if (IsTitleHeader (Command+Start, ReadLine, BriefDesc, BriefSize, &Found)) {\r | |
768 | Status = Found ? EFI_SUCCESS : EFI_NOT_FOUND;\r | |
a405b86d | 769 | break;\r |
770 | }\r | |
771 | }\r | |
52d1f930 | 772 | \r |
a405b86d | 773 | FreePool(ReadLine);\r |
a405b86d | 774 | return (Status);\r |
775 | }\r | |
776 | \r | |
777 | /**\r | |
778 | This function returns the help information for the specified command. The help text\r | |
779 | will be parsed from a UEFI Shell manual page. (see UEFI Shell 2.0 Appendix B)\r | |
780 | \r | |
781 | If Sections is specified, then each section name listed will be compared in a casesensitive\r | |
782 | manner, to the section names described in Appendix B. If the section exists,\r | |
783 | it will be appended to the returned help text. If the section does not exist, no\r | |
784 | information will be returned. If Sections is NULL, then all help text information\r | |
785 | available will be returned.\r | |
786 | \r | |
787 | if BriefDesc is NULL, then the breif description will not be savedd seperatly,\r | |
788 | but placed first in the main HelpText.\r | |
789 | \r | |
790 | @param[in] ManFileName Points to the NULL-terminated UEFI Shell MAN file name.\r | |
791 | @param[in] Command Points to the NULL-terminated UEFI Shell command name.\r | |
792 | @param[in] Sections Points to the NULL-terminated comma-delimited\r | |
793 | section names to return. If NULL, then all\r | |
794 | sections will be returned.\r | |
795 | @param[out] BriefDesc On return, points to a callee-allocated buffer\r | |
796 | containing brief description text.\r | |
797 | @param[out] HelpText On return, points to a callee-allocated buffer\r | |
798 | containing all specified help text.\r | |
799 | \r | |
800 | @retval EFI_SUCCESS The help text was returned.\r | |
801 | @retval EFI_OUT_OF_RESOURCES The necessary buffer could not be allocated to hold the\r | |
802 | returned help text.\r | |
ecae5117 | 803 | @retval EFI_INVALID_PARAMETER HelpText is NULL.\r |
804 | @retval EFI_INVALID_PARAMETER ManFileName is invalid.\r | |
a405b86d | 805 | @retval EFI_NOT_FOUND There is no help text available for Command.\r |
806 | **/\r | |
807 | EFI_STATUS\r | |
808 | EFIAPI\r | |
809 | ProcessManFile(\r | |
810 | IN CONST CHAR16 *ManFileName,\r | |
811 | IN CONST CHAR16 *Command,\r | |
812 | IN CONST CHAR16 *Sections OPTIONAL,\r | |
813 | OUT CHAR16 **BriefDesc OPTIONAL,\r | |
814 | OUT CHAR16 **HelpText\r | |
815 | )\r | |
816 | {\r | |
817 | CHAR16 *TempString;\r | |
818 | SHELL_FILE_HANDLE FileHandle;\r | |
8d4eec6d | 819 | EFI_HANDLE CmdFileImgHandle;\r |
a405b86d | 820 | EFI_STATUS Status;\r |
821 | UINTN HelpSize;\r | |
822 | UINTN BriefSize;\r | |
8d4eec6d | 823 | UINTN StringIdWalker;\r |
a405b86d | 824 | BOOLEAN Ascii;\r |
825 | CHAR16 *TempString2;\r | |
8d4eec6d QS |
826 | CHAR16 *CmdFileName;\r |
827 | CHAR16 *CmdFilePathName;\r | |
828 | CHAR16 *StringBuff;\r | |
829 | EFI_DEVICE_PATH_PROTOCOL *FileDevPath;\r | |
830 | EFI_DEVICE_PATH_PROTOCOL *DevPath;\r | |
831 | EFI_HII_PACKAGE_LIST_HEADER *PackageListHeader;\r | |
a405b86d | 832 | \r |
833 | if ( ManFileName == NULL\r | |
834 | || Command == NULL\r | |
835 | || HelpText == NULL\r | |
836 | ){\r | |
837 | return (EFI_INVALID_PARAMETER);\r | |
838 | }\r | |
839 | \r | |
8d4eec6d QS |
840 | HelpSize = 0;\r |
841 | BriefSize = 0;\r | |
842 | StringIdWalker = 0;\r | |
843 | TempString = NULL;\r | |
844 | Ascii = FALSE;\r | |
845 | CmdFileName = NULL;\r | |
846 | CmdFilePathName = NULL;\r | |
847 | CmdFileImgHandle = NULL;\r | |
848 | StringBuff = NULL;\r | |
849 | PackageListHeader = NULL;\r | |
850 | FileDevPath = NULL;\r | |
851 | DevPath = NULL;\r | |
852 | \r | |
a405b86d | 853 | //\r |
854 | // See if it's in HII first\r | |
855 | //\r | |
856 | TempString = ShellCommandGetCommandHelp(Command);\r | |
857 | if (TempString != NULL) {\r | |
858 | TempString2 = TempString;\r | |
859 | Status = ManBufferFindTitleSection(&TempString2, Command, BriefDesc, &BriefSize);\r | |
860 | if (!EFI_ERROR(Status) && HelpText != NULL){\r | |
861 | Status = ManBufferFindSections(TempString2, Sections, HelpText, &HelpSize);\r | |
862 | }\r | |
863 | } else {\r | |
8d4eec6d QS |
864 | //\r |
865 | // If the image is a external app, check .MAN file first.\r | |
866 | //\r | |
a405b86d | 867 | FileHandle = NULL;\r |
868 | TempString = GetManFileName(ManFileName);\r | |
ecae5117 | 869 | if (TempString == NULL) {\r |
870 | return (EFI_INVALID_PARAMETER);\r | |
871 | }\r | |
a405b86d | 872 | \r |
873 | Status = SearchPathForFile(TempString, &FileHandle);\r | |
874 | if (EFI_ERROR(Status)) {\r | |
875 | FileDevPath = FileDevicePath(NULL, TempString);\r | |
876 | DevPath = AppendDevicePath (ShellInfoObject.ImageDevPath, FileDevPath);\r | |
877 | Status = InternalOpenFileDevicePath(DevPath, &FileHandle, EFI_FILE_MODE_READ, 0);\r | |
8d4eec6d QS |
878 | SHELL_FREE_NON_NULL(FileDevPath);\r |
879 | SHELL_FREE_NON_NULL(DevPath);\r | |
a405b86d | 880 | }\r |
881 | \r | |
882 | if (!EFI_ERROR(Status)) {\r | |
883 | HelpSize = 0;\r | |
884 | BriefSize = 0;\r | |
885 | Status = ManFileFindTitleSection(FileHandle, Command, BriefDesc, &BriefSize, &Ascii);\r | |
886 | if (!EFI_ERROR(Status) && HelpText != NULL){\r | |
887 | Status = ManFileFindSections(FileHandle, Sections, HelpText, &HelpSize, Ascii);\r | |
888 | }\r | |
889 | ShellInfoObject.NewEfiShellProtocol->CloseFile(FileHandle);\r | |
8d4eec6d QS |
890 | if (!EFI_ERROR(Status)) {\r |
891 | //\r | |
892 | // Get help text from .MAN file success.\r | |
893 | //\r | |
894 | goto Done;\r | |
895 | }\r | |
896 | }\r | |
897 | \r | |
898 | //\r | |
899 | // Load the app image to check EFI_HII_PACKAGE_LIST_PROTOCOL.\r | |
900 | //\r | |
901 | CmdFileName = GetExecuatableFileName(TempString);\r | |
902 | if (CmdFileName == NULL) {\r | |
903 | Status = EFI_OUT_OF_RESOURCES;\r | |
904 | goto Done;\r | |
905 | }\r | |
906 | //\r | |
907 | // If the file in CWD then use the file name, else use the full\r | |
908 | // path name.\r | |
909 | //\r | |
910 | CmdFilePathName = ShellFindFilePath(CmdFileName);\r | |
911 | if (CmdFilePathName == NULL) {\r | |
912 | Status = EFI_NOT_FOUND;\r | |
913 | goto Done;\r | |
914 | }\r | |
915 | DevPath = ShellInfoObject.NewEfiShellProtocol->GetDevicePathFromFilePath(CmdFilePathName);\r | |
916 | Status = gBS->LoadImage(FALSE, gImageHandle, DevPath, NULL, 0, &CmdFileImgHandle);\r | |
917 | if(EFI_ERROR(Status)) {\r | |
a405b86d | 918 | *HelpText = NULL;\r |
8d4eec6d QS |
919 | goto Done;\r |
920 | }\r | |
921 | Status = gBS->OpenProtocol(\r | |
922 | CmdFileImgHandle,\r | |
923 | &gEfiHiiPackageListProtocolGuid,\r | |
924 | (VOID**)&PackageListHeader,\r | |
925 | gImageHandle,\r | |
926 | NULL,\r | |
927 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
928 | );\r | |
929 | if(EFI_ERROR(Status)) {\r | |
930 | *HelpText = NULL;\r | |
931 | goto Done;\r | |
932 | }\r | |
933 | \r | |
934 | //\r | |
935 | // If get package list on image handle, install it on HiiDatabase.\r | |
936 | //\r | |
937 | Status = gBS->InstallProtocolInterface (\r | |
938 | &mShellManDriverHandle,\r | |
939 | &gEfiDevicePathProtocolGuid,\r | |
940 | EFI_NATIVE_INTERFACE,\r | |
941 | &mShellManHiiDevicePath\r | |
942 | );\r | |
943 | if (EFI_ERROR(Status)) {\r | |
944 | goto Done;\r | |
945 | }\r | |
946 | \r | |
947 | Status = gHiiDatabase->NewPackageList (\r | |
948 | gHiiDatabase,\r | |
949 | PackageListHeader,\r | |
950 | mShellManDriverHandle,\r | |
951 | &mShellManHiiHandle\r | |
952 | );\r | |
953 | if (EFI_ERROR (Status)) {\r | |
954 | goto Done;\r | |
a405b86d | 955 | }\r |
8d4eec6d QS |
956 | \r |
957 | StringIdWalker = 1;\r | |
958 | do {\r | |
959 | SHELL_FREE_NON_NULL(StringBuff);\r | |
960 | if (BriefDesc != NULL) {\r | |
961 | SHELL_FREE_NON_NULL(*BriefDesc);\r | |
962 | }\r | |
963 | StringBuff = HiiGetString (mShellManHiiHandle, (EFI_STRING_ID)StringIdWalker, NULL);\r | |
964 | if (StringBuff == NULL) {\r | |
965 | Status = EFI_NOT_FOUND;\r | |
966 | goto Done;\r | |
967 | }\r | |
968 | TempString2 = StringBuff;\r | |
969 | Status = ManBufferFindTitleSection(&TempString2, Command, BriefDesc, &BriefSize);\r | |
970 | if (!EFI_ERROR(Status) && HelpText != NULL){\r | |
971 | Status = ManBufferFindSections(TempString2, Sections, HelpText, &HelpSize);\r | |
972 | }\r | |
973 | if (!EFI_ERROR(Status)){\r | |
974 | //\r | |
975 | // Found what we need and return\r | |
976 | //\r | |
977 | goto Done;\r | |
978 | }\r | |
979 | \r | |
980 | StringIdWalker += 1;\r | |
981 | } while (StringIdWalker < 0xFFFF && StringBuff != NULL);\r | |
982 | \r | |
a405b86d | 983 | }\r |
8d4eec6d QS |
984 | \r |
985 | Done:\r | |
986 | if (mShellManDriverHandle != NULL) {\r | |
987 | gBS->UninstallProtocolInterface (\r | |
988 | mShellManDriverHandle,\r | |
989 | &gEfiDevicePathProtocolGuid,\r | |
990 | &mShellManHiiDevicePath\r | |
991 | );\r | |
992 | mShellManDriverHandle = NULL;\r | |
993 | }\r | |
994 | \r | |
995 | if (mShellManHiiHandle != NULL) {\r | |
996 | HiiRemovePackages (mShellManHiiHandle);\r | |
997 | mShellManHiiHandle = NULL;\r | |
a405b86d | 998 | }\r |
999 | \r | |
8d4eec6d QS |
1000 | if (CmdFileImgHandle != NULL) {\r |
1001 | Status = gBS->UnloadImage (CmdFileImgHandle);\r | |
1002 | }\r | |
1003 | \r | |
1004 | SHELL_FREE_NON_NULL(StringBuff);\r | |
1005 | SHELL_FREE_NON_NULL(TempString);\r | |
1006 | SHELL_FREE_NON_NULL(CmdFileName);\r | |
1007 | SHELL_FREE_NON_NULL(CmdFilePathName);\r | |
1008 | SHELL_FREE_NON_NULL(FileDevPath);\r | |
1009 | SHELL_FREE_NON_NULL(DevPath);\r | |
1010 | \r | |
a405b86d | 1011 | return (Status);\r |
1012 | }\r | |
8d4eec6d | 1013 | \r |