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a405b86d | 1 | /** @file\r |
2 | Main file for If and else shell level 1 function.\r | |
3 | \r | |
77dcec12 | 4 | Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>\r |
a405b86d | 5 | This program and the accompanying materials\r |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include "UefiShellLevel1CommandsLib.h"\r | |
16 | #include <Library/PrintLib.h>\r | |
17 | \r | |
a405b86d | 18 | typedef enum {\r |
77dcec12 | 19 | EndTagOr,\r |
20 | EndTagAnd,\r | |
21 | EndTagThen,\r | |
22 | EndTagMax\r | |
a405b86d | 23 | } END_TAG_TYPE;\r |
24 | \r | |
25 | typedef enum {\r | |
77dcec12 | 26 | OperatorGreaterThan,\r |
27 | OperatorLessThan,\r | |
28 | OperatorEqual,\r | |
29 | OperatorNotEqual,\r | |
30 | OperatorGreatorOrEqual,\r | |
31 | OperatorLessOrEqual,\r | |
32 | OperatorUnisgnedGreaterThan,\r | |
33 | OperatorUnsignedLessThan,\r | |
34 | OperatorUnsignedGreaterOrEqual,\r | |
35 | OperatorUnsignedLessOrEqual,\r | |
36 | OperatorMax\r | |
a405b86d | 37 | } BIN_OPERATOR_TYPE;\r |
38 | \r | |
77dcec12 | 39 | /**\r |
40 | Extract the next fragment, if there is one.\r | |
41 | \r | |
42 | @param[in,out] Statement The current remaining statement.\r | |
43 | @param[in] Fragment The current fragment.\r | |
44 | \r | |
45 | @retval FALSE There is not another fragment.\r | |
46 | @retval TRUE There is another fragment.\r | |
47 | **/\r | |
a405b86d | 48 | BOOLEAN\r |
49 | EFIAPI\r | |
50 | IsNextFragment (\r | |
77dcec12 | 51 | IN OUT CONST CHAR16 **Statement,\r |
a405b86d | 52 | IN CONST CHAR16 *Fragment\r |
53 | )\r | |
54 | {\r | |
55 | CHAR16 *Tester;\r | |
56 | \r | |
57 | Tester = NULL;\r | |
58 | \r | |
59 | Tester = StrnCatGrow(&Tester, NULL, *Statement, StrLen(Fragment));\r | |
60 | ASSERT(Tester != NULL);\r | |
61 | Tester[StrLen(Fragment)] = CHAR_NULL;\r | |
62 | if (gUnicodeCollation->StriColl(\r | |
63 | gUnicodeCollation,\r | |
64 | (CHAR16*)Fragment,\r | |
65 | Tester) == 0) {\r | |
66 | //\r | |
67 | // increment the string pointer to the end of what we found and then chop off spaces...\r | |
68 | //\r | |
69 | *Statement+=StrLen(Fragment);\r | |
70 | while (*Statement[0] == L' ') {\r | |
1ca79586 | 71 | (*Statement)++;\r |
a405b86d | 72 | }\r |
73 | FreePool(Tester);\r | |
74 | return (TRUE);\r | |
75 | }\r | |
76 | FreePool(Tester);\r | |
77 | return (FALSE);\r | |
78 | }\r | |
79 | \r | |
77dcec12 | 80 | /**\r |
81 | Determine if String represents a valid profile.\r | |
82 | \r | |
83 | @param[in] String The pointer to the string to test.\r | |
84 | \r | |
85 | @retval TRUE String is a valid profile.\r | |
86 | @retval FALSE String is not a valid profile.\r | |
87 | **/\r | |
a405b86d | 88 | BOOLEAN\r |
89 | EFIAPI\r | |
90 | IsValidProfile (\r | |
91 | IN CONST CHAR16 *String\r | |
92 | )\r | |
93 | {\r | |
94 | CONST CHAR16 *ProfilesString;\r | |
95 | CONST CHAR16 *TempLocation;\r | |
96 | \r | |
97 | ProfilesString = ShellGetEnvironmentVariable(L"profiles");\r | |
f1518f69 | 98 | //\r |
99 | // According to the Shell spec this is a required environment variable.\r | |
100 | //\r | |
101 | ASSERT(ProfileString != NULL);\r | |
a405b86d | 102 | TempLocation = StrStr(ProfilesString, String);\r |
103 | if ((TempLocation != NULL) && (*(TempLocation-1) == L';') && (*(TempLocation+StrLen(String)) == L';')) {\r | |
104 | return (TRUE);\r | |
105 | }\r | |
106 | return (FALSE);\r | |
107 | }\r | |
108 | \r | |
77dcec12 | 109 | /**\r |
110 | Do a comparison between 2 things.\r | |
111 | \r | |
112 | @param[in] Compare1 The first item to compare.\r | |
113 | @param[in] Compare2 The second item to compare.\r | |
114 | @param[in] BinOp The type of comparison to perform.\r | |
115 | @param[in] CaseInsensitive TRUE to do non-case comparison, FALSE otherwise.\r | |
116 | @param[in] ForceStringCompare TRUE to force string comparison, FALSE otherwise.\r | |
117 | \r | |
118 | @return The result of the comparison.\r | |
119 | **/\r | |
a405b86d | 120 | BOOLEAN\r |
121 | EFIAPI\r | |
122 | TestOperation (\r | |
123 | IN CONST CHAR16 *Compare1,\r | |
124 | IN CONST CHAR16 *Compare2,\r | |
125 | IN CONST BIN_OPERATOR_TYPE BinOp,\r | |
126 | IN CONST BOOLEAN CaseInsensitive,\r | |
127 | IN CONST BOOLEAN ForceStringCompare\r | |
128 | )\r | |
129 | {\r | |
130 | INTN Cmp1;\r | |
131 | INTN Cmp2;\r | |
132 | \r | |
133 | //\r | |
134 | // "Compare1 BinOp Compare2"\r | |
135 | //\r | |
136 | switch (BinOp) {\r | |
77dcec12 | 137 | case OperatorUnisgnedGreaterThan:\r |
138 | case OperatorGreaterThan:\r | |
a405b86d | 139 | if (ForceStringCompare || !ShellIsHexOrDecimalNumber(Compare1, FALSE, FALSE) || !ShellIsHexOrDecimalNumber(Compare2, FALSE, FALSE)) {\r |
140 | //\r | |
141 | // string compare\r | |
142 | //\r | |
143 | if ((CaseInsensitive && StringNoCaseCompare(&Compare1, &Compare2) > 0) || (StringCompare(&Compare1, &Compare2) > 0)) {\r | |
144 | return (TRUE);\r | |
145 | }\r | |
146 | } else {\r | |
147 | //\r | |
148 | // numeric compare\r | |
149 | //\r | |
150 | if (Compare1[0] == L'-') {\r | |
77dcec12 | 151 | Cmp1 = 0 - (INTN)ShellStrToUintn(Compare1+1);\r |
a405b86d | 152 | } else {\r |
77dcec12 | 153 | Cmp1 = (INTN)ShellStrToUintn(Compare1);\r |
a405b86d | 154 | }\r |
155 | if (Compare2[0] == L'-') {\r | |
77dcec12 | 156 | Cmp2 = 0 - (INTN)ShellStrToUintn(Compare2+1);\r |
a405b86d | 157 | } else {\r |
77dcec12 | 158 | Cmp2 = (INTN)ShellStrToUintn(Compare2);\r |
a405b86d | 159 | }\r |
77dcec12 | 160 | if (BinOp == OperatorGreaterThan) {\r |
a405b86d | 161 | if (Cmp1 > Cmp2) {\r |
162 | return (TRUE);\r | |
163 | }\r | |
164 | } else {\r | |
165 | if ((UINTN)Cmp1 > (UINTN)Cmp2) {\r | |
166 | return (TRUE);\r | |
167 | }\r | |
168 | }\r | |
169 | }\r | |
170 | return (FALSE);\r | |
171 | break;\r | |
77dcec12 | 172 | case OperatorUnsignedLessThan:\r |
173 | case OperatorLessThan:\r | |
a405b86d | 174 | if (ForceStringCompare || !ShellIsHexOrDecimalNumber(Compare1, FALSE, FALSE) || !ShellIsHexOrDecimalNumber(Compare2, FALSE, FALSE)) {\r |
175 | //\r | |
176 | // string compare\r | |
177 | //\r | |
178 | if ((CaseInsensitive && StringNoCaseCompare(&Compare1, &Compare2) < 0) || (StringCompare(&Compare1, &Compare2) < 0)) {\r | |
179 | return (TRUE);\r | |
180 | }\r | |
181 | } else {\r | |
182 | //\r | |
183 | // numeric compare\r | |
184 | //\r | |
185 | if (Compare1[0] == L'-') {\r | |
77dcec12 | 186 | Cmp1 = 0 - (INTN)ShellStrToUintn(Compare1+1);\r |
a405b86d | 187 | } else {\r |
77dcec12 | 188 | Cmp1 = (INTN)ShellStrToUintn(Compare1);\r |
a405b86d | 189 | }\r |
190 | if (Compare2[0] == L'-') {\r | |
77dcec12 | 191 | Cmp2 = 0 - (INTN)ShellStrToUintn(Compare2+1);\r |
a405b86d | 192 | } else {\r |
77dcec12 | 193 | Cmp2 = (INTN)ShellStrToUintn(Compare2);\r |
a405b86d | 194 | }\r |
77dcec12 | 195 | if (BinOp == OperatorLessThan) {\r |
a405b86d | 196 | if (Cmp1 < Cmp2) {\r |
197 | return (TRUE);\r | |
198 | }\r | |
199 | } else {\r | |
200 | if ((UINTN)Cmp1 < (UINTN)Cmp2) {\r | |
201 | return (TRUE);\r | |
202 | }\r | |
203 | }\r | |
204 | \r | |
205 | }\r | |
206 | return (FALSE);\r | |
207 | break;\r | |
77dcec12 | 208 | case OperatorEqual:\r |
a405b86d | 209 | if (ForceStringCompare || !ShellIsHexOrDecimalNumber(Compare1, FALSE, FALSE) || !ShellIsHexOrDecimalNumber(Compare2, FALSE, FALSE)) {\r |
210 | //\r | |
211 | // string compare\r | |
212 | //\r | |
213 | if ((CaseInsensitive && StringNoCaseCompare(&Compare1, &Compare2) == 0) || (StringCompare(&Compare1, &Compare2) == 0)) {\r | |
214 | return (TRUE);\r | |
215 | }\r | |
216 | } else {\r | |
217 | //\r | |
218 | // numeric compare\r | |
219 | //\r | |
220 | if (Compare1[0] == L'-') {\r | |
221 | Cmp1 = 0 - (INTN)ShellStrToUintn(Compare1+1);\r | |
222 | } else {\r | |
223 | Cmp1 = (INTN)ShellStrToUintn(Compare1);\r | |
224 | }\r | |
225 | if (Compare2[0] == L'-') {\r | |
226 | Cmp2 = 0 - (INTN)ShellStrToUintn(Compare2+1);\r | |
227 | } else {\r | |
228 | Cmp2 = (INTN)ShellStrToUintn(Compare2);\r | |
229 | }\r | |
230 | if (Cmp1 == Cmp2) {\r | |
231 | return (TRUE);\r | |
232 | }\r | |
233 | }\r | |
234 | return (FALSE);\r | |
235 | break;\r | |
77dcec12 | 236 | case OperatorNotEqual:\r |
a405b86d | 237 | if (ForceStringCompare || !ShellIsHexOrDecimalNumber(Compare1, FALSE, FALSE) || !ShellIsHexOrDecimalNumber(Compare2, FALSE, FALSE)) {\r |
238 | //\r | |
239 | // string compare\r | |
240 | //\r | |
241 | if ((CaseInsensitive && StringNoCaseCompare(&Compare1, &Compare2) != 0) || (StringCompare(&Compare1, &Compare2) != 0)) {\r | |
242 | return (TRUE);\r | |
243 | }\r | |
244 | } else {\r | |
245 | //\r | |
246 | // numeric compare\r | |
247 | //\r | |
248 | if (Compare1[0] == L'-') {\r | |
77dcec12 | 249 | Cmp1 = 0 - (INTN)ShellStrToUintn(Compare1+1);\r |
a405b86d | 250 | } else {\r |
77dcec12 | 251 | Cmp1 = (INTN)ShellStrToUintn(Compare1);\r |
a405b86d | 252 | }\r |
253 | if (Compare2[0] == L'-') {\r | |
77dcec12 | 254 | Cmp2 = 0 - (INTN)ShellStrToUintn(Compare2+1);\r |
a405b86d | 255 | } else {\r |
77dcec12 | 256 | Cmp2 = (INTN)ShellStrToUintn(Compare2);\r |
a405b86d | 257 | }\r |
258 | if (Cmp1 != Cmp2) {\r | |
259 | return (TRUE);\r | |
260 | }\r | |
261 | }\r | |
262 | return (FALSE);\r | |
263 | break;\r | |
77dcec12 | 264 | case OperatorUnsignedGreaterOrEqual:\r |
265 | case OperatorGreatorOrEqual:\r | |
a405b86d | 266 | if (ForceStringCompare || !ShellIsHexOrDecimalNumber(Compare1, FALSE, FALSE) || !ShellIsHexOrDecimalNumber(Compare2, FALSE, FALSE)) {\r |
267 | //\r | |
268 | // string compare\r | |
269 | //\r | |
270 | if ((CaseInsensitive && StringNoCaseCompare(&Compare1, &Compare2) >= 0) || (StringCompare(&Compare1, &Compare2) >= 0)) {\r | |
271 | return (TRUE);\r | |
272 | }\r | |
273 | } else {\r | |
274 | //\r | |
275 | // numeric compare\r | |
276 | //\r | |
277 | if (Compare1[0] == L'-') {\r | |
77dcec12 | 278 | Cmp1 = 0 - (INTN)ShellStrToUintn(Compare1+1);\r |
a405b86d | 279 | } else {\r |
77dcec12 | 280 | Cmp1 = (INTN)ShellStrToUintn(Compare1);\r |
a405b86d | 281 | }\r |
282 | if (Compare2[0] == L'-') {\r | |
77dcec12 | 283 | Cmp2 = 0 - (INTN)ShellStrToUintn(Compare2+1);\r |
a405b86d | 284 | } else {\r |
77dcec12 | 285 | Cmp2 = (INTN)ShellStrToUintn(Compare2);\r |
a405b86d | 286 | }\r |
77dcec12 | 287 | if (BinOp == OperatorGreatorOrEqual) {\r |
a405b86d | 288 | if (Cmp1 >= Cmp2) {\r |
289 | return (TRUE);\r | |
290 | }\r | |
291 | } else {\r | |
292 | if ((UINTN)Cmp1 >= (UINTN)Cmp2) {\r | |
293 | return (TRUE);\r | |
294 | }\r | |
295 | }\r | |
296 | }\r | |
297 | return (FALSE);\r | |
298 | break;\r | |
77dcec12 | 299 | case OperatorLessOrEqual:\r |
300 | case OperatorUnsignedLessOrEqual:\r | |
a405b86d | 301 | if (ForceStringCompare || !ShellIsHexOrDecimalNumber(Compare1, FALSE, FALSE) || !ShellIsHexOrDecimalNumber(Compare2, FALSE, FALSE)) {\r |
302 | //\r | |
303 | // string compare\r | |
304 | //\r | |
305 | if ((CaseInsensitive && StringNoCaseCompare(&Compare1, &Compare2) <= 0) || (StringCompare(&Compare1, &Compare2) <= 0)) {\r | |
306 | return (TRUE);\r | |
307 | }\r | |
308 | } else {\r | |
309 | //\r | |
310 | // numeric compare\r | |
311 | //\r | |
312 | if (Compare1[0] == L'-') {\r | |
77dcec12 | 313 | Cmp1 = 0 - (INTN)ShellStrToUintn(Compare1+1);\r |
a405b86d | 314 | } else {\r |
77dcec12 | 315 | Cmp1 = (INTN)ShellStrToUintn(Compare1);\r |
a405b86d | 316 | }\r |
317 | if (Compare2[0] == L'-') {\r | |
77dcec12 | 318 | Cmp2 = 0 - (INTN)ShellStrToUintn(Compare2+1);\r |
a405b86d | 319 | } else {\r |
77dcec12 | 320 | Cmp2 = (INTN)ShellStrToUintn(Compare2);\r |
a405b86d | 321 | }\r |
77dcec12 | 322 | if (BinOp == OperatorLessOrEqual) {\r |
a405b86d | 323 | if (Cmp1 <= Cmp2) {\r |
324 | return (TRUE);\r | |
325 | }\r | |
326 | } else {\r | |
327 | if ((UINTN)Cmp1 <= (UINTN)Cmp2) {\r | |
328 | return (TRUE);\r | |
329 | }\r | |
330 | }\r | |
331 | }\r | |
332 | return (FALSE);\r | |
333 | break;\r | |
e9723321 | 334 | default:\r |
335 | ASSERT(FALSE);\r | |
336 | return (FALSE);\r | |
a405b86d | 337 | }\r |
a405b86d | 338 | }\r |
339 | \r | |
77dcec12 | 340 | /**\r |
341 | Process an if statement and determine if its is valid or not.\r | |
342 | \r | |
343 | @param[in,out] PassingState Opon entry, the current state. Upon exit, \r | |
344 | the new state.\r | |
345 | @param[in] StartParameterNumber The number of the first parameter of\r | |
346 | this statement.\r | |
347 | @param[in] EndParameterNumber The number of the final parameter of\r | |
348 | this statement.\r | |
349 | @param[in] OperatorToUse The type of termination operator.\r | |
350 | @param[in] CaseInsensitive TRUE for case insensitive, FALSE otherwise.\r | |
351 | @param[in] ForceStringCompare TRUE for all string based, FALSE otherwise.\r | |
352 | \r | |
353 | @retval EFI_INVALID_PARAMETER A parameter was invalid.\r | |
354 | @retval EFI_SUCCESS The operation was successful. \r | |
355 | **/\r | |
a405b86d | 356 | EFI_STATUS\r |
357 | EFIAPI\r | |
358 | ProcessStatement (\r | |
359 | IN OUT BOOLEAN *PassingState,\r | |
360 | IN UINTN StartParameterNumber,\r | |
361 | IN UINTN EndParameterNumber,\r | |
362 | IN CONST END_TAG_TYPE OperatorToUse,\r | |
363 | IN CONST BOOLEAN CaseInsensitive,\r | |
364 | IN CONST BOOLEAN ForceStringCompare\r | |
365 | )\r | |
366 | {\r | |
367 | EFI_STATUS Status;\r | |
368 | BOOLEAN OperationResult;\r | |
369 | BOOLEAN NotPresent;\r | |
370 | CHAR16 *StatementWalker;\r | |
371 | BIN_OPERATOR_TYPE BinOp;\r | |
372 | CHAR16 *Compare1;\r | |
373 | CHAR16 *Compare2;\r | |
374 | CHAR16 HexString[20];\r | |
375 | CHAR16 *TempSpot;\r | |
376 | \r | |
77dcec12 | 377 | ASSERT((END_TAG_TYPE)OperatorToUse != EndTagThen);\r |
a405b86d | 378 | \r |
379 | Status = EFI_SUCCESS;\r | |
77dcec12 | 380 | BinOp = OperatorMax;\r |
a405b86d | 381 | OperationResult = FALSE;\r |
382 | StatementWalker = gEfiShellParametersProtocol->Argv[StartParameterNumber];\r | |
383 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"not")) {\r | |
384 | NotPresent = TRUE;\r | |
385 | StatementWalker = gEfiShellParametersProtocol->Argv[++StartParameterNumber];\r | |
386 | } else {\r | |
387 | NotPresent = FALSE;\r | |
388 | }\r | |
389 | \r | |
390 | //\r | |
391 | // now check for 'boolfunc' operators\r | |
392 | //\r | |
393 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"isint")) {\r | |
394 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && StatementWalker[StrLen(StatementWalker)-1] == L')') {\r | |
395 | StatementWalker[StrLen(StatementWalker)-1] = CHAR_NULL;\r | |
396 | OperationResult = ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE);\r | |
397 | } else {\r | |
398 | Status = EFI_INVALID_PARAMETER;\r | |
399 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"isint");\r | |
400 | }\r | |
401 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"exists") || IsNextFragment((CONST CHAR16**)(&StatementWalker), L"exist")) {\r | |
402 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && StatementWalker[StrLen(StatementWalker)-1] == L')') {\r | |
403 | StatementWalker[StrLen(StatementWalker)-1] = CHAR_NULL;\r | |
404 | //\r | |
405 | // is what remains a file in CWD???\r | |
406 | //\r | |
407 | OperationResult = (BOOLEAN)(ShellFileExists(StatementWalker)==EFI_SUCCESS);\r | |
408 | } else if (StatementWalker[0] == CHAR_NULL && StartParameterNumber+1 == EndParameterNumber) {\r | |
409 | OperationResult = (BOOLEAN)(ShellFileExists(gEfiShellParametersProtocol->Argv[++StartParameterNumber])==EFI_SUCCESS);\r | |
410 | } else {\r | |
411 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"exist(s)");\r | |
412 | Status = EFI_INVALID_PARAMETER;\r | |
413 | }\r | |
414 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"available")) {\r | |
415 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && StatementWalker[StrLen(StatementWalker)-1] == L')') {\r | |
416 | StatementWalker[StrLen(StatementWalker)-1] = CHAR_NULL;\r | |
417 | //\r | |
418 | // is what remains a file in the CWD or path???\r | |
419 | //\r | |
420 | OperationResult = (BOOLEAN)(ShellIsFileInPath(StatementWalker)==EFI_SUCCESS);\r | |
421 | } else {\r | |
422 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"available");\r | |
423 | Status = EFI_INVALID_PARAMETER;\r | |
424 | }\r | |
425 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"profile")) {\r | |
426 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && StatementWalker[StrLen(StatementWalker)-1] == L')') {\r | |
427 | //\r | |
428 | // Chop off that ')'\r | |
429 | //\r | |
430 | StatementWalker[StrLen(StatementWalker)-1] = CHAR_NULL;\r | |
431 | OperationResult = IsValidProfile(StatementWalker);\r | |
432 | } else {\r | |
433 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"profile");\r | |
434 | Status = EFI_INVALID_PARAMETER;\r | |
435 | }\r | |
436 | } else if (StartParameterNumber+1 >= EndParameterNumber) {\r | |
437 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, gEfiShellParametersProtocol->Argv[StartParameterNumber]);\r | |
438 | Status = EFI_INVALID_PARAMETER;\r | |
439 | } else {\r | |
440 | //\r | |
441 | // must be 'item binop item' style\r | |
442 | //\r | |
443 | Compare1 = NULL;\r | |
444 | Compare2 = NULL;\r | |
77dcec12 | 445 | BinOp = OperatorMax;\r |
a405b86d | 446 | \r |
447 | //\r | |
448 | // get the first item\r | |
449 | //\r | |
450 | StatementWalker = gEfiShellParametersProtocol->Argv[StartParameterNumber];\r | |
451 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"efierror")) {\r | |
452 | TempSpot = StrStr(StatementWalker, L")");\r | |
453 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && TempSpot != NULL) {\r | |
454 | *TempSpot = CHAR_NULL;\r | |
455 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
456 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT);\r | |
457 | ASSERT(Compare1 == NULL);\r | |
458 | Compare1 = StrnCatGrow(&Compare1, NULL, HexString, 0);\r | |
459 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
460 | } else {\r | |
461 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"efierror");\r | |
462 | Status = EFI_INVALID_PARAMETER;\r | |
463 | }\r | |
464 | } else {\r | |
465 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"efierror");\r | |
466 | Status = EFI_INVALID_PARAMETER;\r | |
467 | }\r | |
468 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"pierror")) {\r | |
469 | TempSpot = StrStr(StatementWalker, L")");\r | |
470 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && TempSpot != NULL) {\r | |
471 | *TempSpot = CHAR_NULL;\r | |
472 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
473 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT|(MAX_BIT>>2));\r | |
474 | ASSERT(Compare1 == NULL);\r | |
475 | Compare1 = StrnCatGrow(&Compare1, NULL, HexString, 0);\r | |
476 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
477 | } else {\r | |
478 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"pierror");\r | |
479 | Status = EFI_INVALID_PARAMETER;\r | |
480 | }\r | |
481 | } else {\r | |
482 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"pierror");\r | |
483 | Status = EFI_INVALID_PARAMETER;\r | |
484 | }\r | |
485 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"oemerror")) {\r | |
486 | TempSpot = StrStr(StatementWalker, L")");\r | |
487 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && TempSpot != NULL) {\r | |
488 | TempSpot = CHAR_NULL;\r | |
489 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
490 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT|(MAX_BIT>>1));\r | |
491 | ASSERT(Compare1 == NULL);\r | |
492 | Compare1 = StrnCatGrow(&Compare1, NULL, HexString, 0);\r | |
493 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
494 | } else {\r | |
495 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"oemerror");\r | |
496 | Status = EFI_INVALID_PARAMETER;\r | |
497 | }\r | |
498 | } else {\r | |
499 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"oemerror");\r | |
500 | Status = EFI_INVALID_PARAMETER;\r | |
501 | }\r | |
502 | } else {\r | |
503 | ASSERT(Compare1 == NULL);\r | |
504 | if (EndParameterNumber - StartParameterNumber > 2) {\r | |
505 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_STARTING), gShellLevel1HiiHandle, gEfiShellParametersProtocol->Argv[StartParameterNumber+2]);\r | |
506 | Status = EFI_INVALID_PARAMETER;\r | |
507 | } else {\r | |
508 | //\r | |
509 | // must be a raw string\r | |
510 | //\r | |
511 | Compare1 = StrnCatGrow(&Compare1, NULL, StatementWalker, 0);\r | |
512 | }\r | |
513 | }\r | |
514 | \r | |
515 | //\r | |
516 | // get the operator\r | |
517 | //\r | |
518 | ASSERT(StartParameterNumber+1<EndParameterNumber);\r | |
519 | StatementWalker = gEfiShellParametersProtocol->Argv[StartParameterNumber+1];\r | |
520 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"gt")) {\r | |
77dcec12 | 521 | BinOp = OperatorGreaterThan;\r |
a405b86d | 522 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"lt")) {\r |
77dcec12 | 523 | BinOp = OperatorLessThan;\r |
a405b86d | 524 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"eq")) {\r |
77dcec12 | 525 | BinOp = OperatorEqual;\r |
a405b86d | 526 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"ne")) {\r |
77dcec12 | 527 | BinOp = OperatorNotEqual;\r |
a405b86d | 528 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"ge")) {\r |
77dcec12 | 529 | BinOp = OperatorGreatorOrEqual;\r |
a405b86d | 530 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"le")) {\r |
77dcec12 | 531 | BinOp = OperatorLessOrEqual;\r |
a405b86d | 532 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"==")) {\r |
77dcec12 | 533 | BinOp = OperatorEqual;\r |
a405b86d | 534 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"ugt")) {\r |
77dcec12 | 535 | BinOp = OperatorUnisgnedGreaterThan;\r |
a405b86d | 536 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"ult")) {\r |
77dcec12 | 537 | BinOp = OperatorUnsignedLessThan;\r |
a405b86d | 538 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"uge")) {\r |
77dcec12 | 539 | BinOp = OperatorUnsignedGreaterOrEqual;\r |
a405b86d | 540 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"ule")) {\r |
77dcec12 | 541 | BinOp = OperatorUnsignedLessOrEqual;\r |
a405b86d | 542 | } else {\r |
543 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_INVALID_BINOP), gShellLevel1HiiHandle, StatementWalker);\r | |
544 | Status = EFI_INVALID_PARAMETER;\r | |
545 | }\r | |
546 | \r | |
547 | //\r | |
548 | // get the second item\r | |
549 | //\r | |
550 | ASSERT(StartParameterNumber+2<=EndParameterNumber);\r | |
551 | StatementWalker = gEfiShellParametersProtocol->Argv[StartParameterNumber+2];\r | |
552 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"efierror")) {\r | |
553 | TempSpot = StrStr(StatementWalker, L")");\r | |
554 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && TempSpot != NULL) {\r | |
555 | TempSpot = CHAR_NULL;\r | |
556 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
557 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT);\r | |
558 | ASSERT(Compare2 == NULL);\r | |
559 | Compare2 = StrnCatGrow(&Compare2, NULL, HexString, 0);\r | |
560 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
561 | } else {\r | |
562 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"efierror");\r | |
563 | Status = EFI_INVALID_PARAMETER;\r | |
564 | }\r | |
565 | } else {\r | |
566 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"efierror");\r | |
567 | Status = EFI_INVALID_PARAMETER;\r | |
568 | }\r | |
569 | //\r | |
570 | // can this be collapsed into the above?\r | |
571 | //\r | |
572 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"pierror")) {\r | |
573 | TempSpot = StrStr(StatementWalker, L")");\r | |
574 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && TempSpot != NULL) {\r | |
575 | TempSpot = CHAR_NULL;\r | |
576 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
577 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT|(MAX_BIT>>2));\r | |
578 | ASSERT(Compare2 == NULL);\r | |
579 | Compare2 = StrnCatGrow(&Compare2, NULL, HexString, 0);\r | |
580 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
581 | } else {\r | |
582 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"pierror");\r | |
583 | Status = EFI_INVALID_PARAMETER;\r | |
584 | }\r | |
585 | } else {\r | |
586 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"pierror");\r | |
587 | Status = EFI_INVALID_PARAMETER;\r | |
588 | }\r | |
589 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"oemerror")) {\r | |
590 | TempSpot = StrStr(StatementWalker, L")");\r | |
591 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && TempSpot != NULL) {\r | |
592 | TempSpot = CHAR_NULL;\r | |
593 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
594 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT|(MAX_BIT>>1));\r | |
595 | ASSERT(Compare2 == NULL);\r | |
596 | Compare2 = StrnCatGrow(&Compare2, NULL, HexString, 0);\r | |
597 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
598 | } else {\r | |
599 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"oemerror");\r | |
600 | Status = EFI_INVALID_PARAMETER;\r | |
601 | }\r | |
602 | } else {\r | |
603 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"oemerror");\r | |
604 | Status = EFI_INVALID_PARAMETER;\r | |
605 | }\r | |
606 | } else {\r | |
607 | //\r | |
608 | // must be a raw string\r | |
609 | //\r | |
610 | ASSERT(Compare2 == NULL);\r | |
611 | Compare2 = StrnCatGrow(&Compare2, NULL, StatementWalker, 0);\r | |
612 | }\r | |
613 | \r | |
77dcec12 | 614 | if (Compare1 != NULL && Compare2 != NULL && BinOp != OperatorMax) {\r |
a405b86d | 615 | OperationResult = TestOperation(Compare1, Compare2, BinOp, CaseInsensitive, ForceStringCompare);\r |
616 | }\r | |
617 | \r | |
618 | SHELL_FREE_NON_NULL(Compare1);\r | |
619 | SHELL_FREE_NON_NULL(Compare2);\r | |
620 | }\r | |
621 | \r | |
622 | //\r | |
623 | // done processing do result...\r | |
624 | //\r | |
625 | \r | |
626 | if (!EFI_ERROR(Status)) {\r | |
627 | if (NotPresent) {\r | |
628 | OperationResult = (BOOLEAN)(!OperationResult);\r | |
629 | }\r | |
630 | switch(OperatorToUse) {\r | |
77dcec12 | 631 | case EndTagOr:\r |
a405b86d | 632 | *PassingState = (BOOLEAN)(*PassingState || OperationResult);\r |
633 | break;\r | |
77dcec12 | 634 | case EndTagAnd:\r |
a405b86d | 635 | *PassingState = (BOOLEAN)(*PassingState && OperationResult);\r |
636 | break;\r | |
77dcec12 | 637 | case EndTagMax:\r |
a405b86d | 638 | *PassingState = (BOOLEAN)(OperationResult);\r |
639 | break;\r | |
640 | default:\r | |
641 | ASSERT(FALSE);\r | |
642 | }\r | |
643 | }\r | |
644 | return (Status);\r | |
645 | }\r | |
646 | \r | |
77dcec12 | 647 | /**\r |
648 | Break up the next part of the if statement (until the next 'and', 'or', or 'then').\r | |
649 | \r | |
650 | @param[in] ParameterNumber The current parameter number.\r | |
651 | @param[out] EndParameter Upon successful return, will point to the \r | |
652 | parameter to start the next iteration with.\r | |
653 | @param[out] EndTag Upon successful return, will point to the \r | |
654 | type that was found at the end of this statement.\r | |
655 | \r | |
656 | @retval TRUE A valid statement was found.\r | |
657 | @retval FALSE A valid statement was not found.\r | |
658 | **/\r | |
a405b86d | 659 | BOOLEAN\r |
660 | EFIAPI\r | |
661 | BuildNextStatement (\r | |
662 | IN UINTN ParameterNumber,\r | |
663 | OUT UINTN *EndParameter,\r | |
664 | OUT END_TAG_TYPE *EndTag\r | |
665 | )\r | |
666 | {\r | |
667 | CHAR16 *Buffer;\r | |
668 | UINTN BufferSize;\r | |
669 | \r | |
77dcec12 | 670 | *EndTag = EndTagMax;\r |
a405b86d | 671 | \r |
672 | for(Buffer = NULL, BufferSize = 0\r | |
673 | ; ParameterNumber < gEfiShellParametersProtocol->Argc\r | |
674 | ; ParameterNumber++\r | |
675 | ) {\r | |
676 | if (gUnicodeCollation->StriColl(\r | |
677 | gUnicodeCollation,\r | |
678 | gEfiShellParametersProtocol->Argv[ParameterNumber],\r | |
679 | L"or") == 0) {\r | |
680 | *EndParameter = ParameterNumber - 1;\r | |
77dcec12 | 681 | *EndTag = EndTagOr;\r |
a405b86d | 682 | break;\r |
683 | } else if (gUnicodeCollation->StriColl(\r | |
684 | gUnicodeCollation,\r | |
685 | gEfiShellParametersProtocol->Argv[ParameterNumber],\r | |
686 | L"and") == 0) {\r | |
687 | *EndParameter = ParameterNumber - 1;\r | |
77dcec12 | 688 | *EndTag = EndTagAnd;\r |
a405b86d | 689 | break;\r |
690 | } else if (gUnicodeCollation->StriColl(\r | |
691 | gUnicodeCollation,\r | |
692 | gEfiShellParametersProtocol->Argv[ParameterNumber],\r | |
693 | L"then") == 0) {\r | |
694 | *EndParameter = ParameterNumber - 1;\r | |
77dcec12 | 695 | *EndTag = EndTagThen;\r |
a405b86d | 696 | break;\r |
697 | }\r | |
698 | }\r | |
77dcec12 | 699 | if (*EndTag == EndTagMax) {\r |
a405b86d | 700 | return (FALSE);\r |
701 | }\r | |
702 | return (TRUE);\r | |
703 | }\r | |
704 | \r | |
77dcec12 | 705 | /**\r |
706 | Move the script file pointer to a different place in the script file.\r | |
707 | This one is special since it handles the if/else/endif syntax.\r | |
708 | \r | |
709 | @param[in] ScriptFile The script file from GetCurrnetScriptFile().\r | |
710 | \r | |
711 | @retval TRUE The move target was found and the move was successful.\r | |
712 | @retval FALSE Something went wrong.\r | |
713 | **/\r | |
a405b86d | 714 | BOOLEAN\r |
715 | EFIAPI\r | |
716 | MoveToTagSpecial (\r | |
717 | IN SCRIPT_FILE *ScriptFile\r | |
718 | )\r | |
719 | {\r | |
720 | SCRIPT_COMMAND_LIST *CommandNode;\r | |
721 | BOOLEAN Found;\r | |
722 | UINTN TargetCount;\r | |
723 | CHAR16 *CommandName;\r | |
724 | CHAR16 *CommandWalker;\r | |
725 | CHAR16 *TempLocation;\r | |
726 | \r | |
727 | TargetCount = 1;\r | |
728 | Found = FALSE;\r | |
729 | \r | |
730 | if (ScriptFile == NULL) {\r | |
731 | return FALSE;\r | |
732 | }\r | |
733 | \r | |
734 | for (CommandNode = (SCRIPT_COMMAND_LIST *)GetNextNode(&ScriptFile->CommandList, &ScriptFile->CurrentCommand->Link), Found = FALSE\r | |
735 | ; !IsNull(&ScriptFile->CommandList, &CommandNode->Link) && !Found\r | |
736 | ; CommandNode = (SCRIPT_COMMAND_LIST *)GetNextNode(&ScriptFile->CommandList, &CommandNode->Link)\r | |
737 | ){\r | |
738 | \r | |
739 | //\r | |
740 | // get just the first part of the command line...\r | |
741 | //\r | |
742 | CommandName = NULL;\r | |
743 | CommandName = StrnCatGrow(&CommandName, NULL, CommandNode->Cl, 0);\r | |
744 | CommandWalker = CommandName;\r | |
745 | while (CommandWalker[0] == L' ') {\r | |
746 | CommandWalker++;\r | |
747 | }\r | |
748 | TempLocation = StrStr(CommandWalker, L" ");\r | |
749 | \r | |
750 | if (TempLocation != NULL) {\r | |
751 | *TempLocation = CHAR_NULL;\r | |
752 | }\r | |
753 | \r | |
754 | //\r | |
755 | // did we find a nested item ?\r | |
756 | //\r | |
757 | if (gUnicodeCollation->StriColl(\r | |
758 | gUnicodeCollation,\r | |
759 | (CHAR16*)CommandWalker,\r | |
760 | L"If") == 0) {\r | |
761 | TargetCount++;\r | |
762 | } else if (TargetCount == 1 && gUnicodeCollation->StriColl(\r | |
763 | gUnicodeCollation,\r | |
764 | (CHAR16*)CommandWalker,\r | |
765 | (CHAR16*)L"else") == 0) {\r | |
766 | //\r | |
767 | // else can only decrement the last part... not an nested if\r | |
768 | // hence the TargetCount compare added\r | |
769 | //\r | |
770 | TargetCount--;\r | |
771 | } else if (gUnicodeCollation->StriColl(\r | |
772 | gUnicodeCollation,\r | |
773 | (CHAR16*)CommandWalker,\r | |
774 | (CHAR16*)L"endif") == 0) {\r | |
775 | TargetCount--;\r | |
776 | }\r | |
777 | if (TargetCount == 0) {\r | |
778 | ScriptFile->CurrentCommand = (SCRIPT_COMMAND_LIST *)GetNextNode(&ScriptFile->CommandList, &CommandNode->Link);\r | |
779 | Found = TRUE;\r | |
780 | }\r | |
781 | \r | |
782 | //\r | |
783 | // Free the memory for this loop...\r | |
784 | //\r | |
785 | SHELL_FREE_NON_NULL(CommandName);\r | |
786 | }\r | |
787 | return (Found);\r | |
788 | }\r | |
789 | \r | |
77dcec12 | 790 | /**\r |
791 | Deal with the result of the if operation.\r | |
792 | \r | |
793 | @param[in] Result The result of the if.\r | |
794 | \r | |
795 | @retval EFI_SUCCESS The operation was successful.\r | |
796 | @retval EFI_NOT_FOUND The ending tag could not be found.\r | |
797 | **/\r | |
a405b86d | 798 | EFI_STATUS\r |
799 | EFIAPI\r | |
800 | PerformResultOperation (\r | |
801 | IN CONST BOOLEAN Result\r | |
802 | )\r | |
803 | {\r | |
804 | if (Result || MoveToTagSpecial(ShellCommandGetCurrentScriptFile())) {\r | |
805 | return (EFI_SUCCESS);\r | |
806 | }\r | |
807 | return (EFI_NOT_FOUND);\r | |
808 | }\r | |
809 | \r | |
810 | /**\r | |
811 | Function for 'if' command.\r | |
812 | \r | |
813 | @param[in] ImageHandle Handle to the Image (NULL if Internal).\r | |
814 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).\r | |
815 | **/\r | |
816 | SHELL_STATUS\r | |
817 | EFIAPI\r | |
818 | ShellCommandRunIf (\r | |
819 | IN EFI_HANDLE ImageHandle,\r | |
820 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
821 | )\r | |
822 | {\r | |
823 | EFI_STATUS Status;\r | |
824 | SHELL_STATUS ShellStatus;\r | |
825 | BOOLEAN CaseInsensitive;\r | |
826 | BOOLEAN ForceString;\r | |
827 | UINTN CurrentParameter;\r | |
828 | UINTN EndParameter;\r | |
829 | BOOLEAN CurrentValue;\r | |
830 | END_TAG_TYPE Ending;\r | |
831 | END_TAG_TYPE PreviousEnding;\r | |
ae724571 | 832 | SCRIPT_FILE *CurrentScriptFile;\r |
a405b86d | 833 | \r |
834 | Status = CommandInit();\r | |
835 | ASSERT_EFI_ERROR(Status);\r | |
836 | \r | |
837 | if (!gEfiShellProtocol->BatchIsActive()) {\r | |
838 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_NO_SCRIPT), gShellLevel1HiiHandle, L"If");\r | |
839 | return (SHELL_UNSUPPORTED);\r | |
840 | }\r | |
841 | \r | |
842 | if (gEfiShellParametersProtocol->Argc < 3) {\r | |
843 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel1HiiHandle);\r | |
844 | return (SHELL_INVALID_PARAMETER);\r | |
845 | }\r | |
846 | \r | |
847 | //\r | |
848 | // Make sure that an End exists.\r | |
849 | //\r | |
ae724571 | 850 | CurrentScriptFile = ShellCommandGetCurrentScriptFile();\r |
851 | if (!MoveToTag(GetNextNode, L"endif", L"if", NULL, CurrentScriptFile, TRUE, TRUE, FALSE)) {\r | |
33c031ee | 852 | ShellPrintHiiEx(\r |
853 | -1, \r | |
854 | -1, \r | |
855 | NULL, \r | |
856 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
857 | gShellLevel1HiiHandle, \r | |
858 | L"EnfIf", \r | |
859 | L"If", \r | |
ae724571 | 860 | CurrentScriptFile!=NULL \r |
861 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
862 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 863 | return (SHELL_DEVICE_ERROR);\r |
864 | }\r | |
865 | \r | |
866 | //\r | |
867 | // initialize the shell lib (we must be in non-auto-init...)\r | |
868 | //\r | |
869 | Status = ShellInitialize();\r | |
870 | ASSERT_EFI_ERROR(Status);\r | |
871 | \r | |
872 | CurrentParameter = 1;\r | |
873 | EndParameter = 0;\r | |
874 | \r | |
875 | if (gUnicodeCollation->StriColl(\r | |
876 | gUnicodeCollation,\r | |
877 | gEfiShellParametersProtocol->Argv[1],\r | |
878 | L"/i") == 0 ||\r | |
879 | gUnicodeCollation->StriColl(\r | |
880 | gUnicodeCollation,\r | |
881 | gEfiShellParametersProtocol->Argv[2],\r | |
882 | L"/i") == 0 ||\r | |
883 | (gEfiShellParametersProtocol->Argc > 3 && gUnicodeCollation->StriColl(\r | |
884 | gUnicodeCollation,\r | |
885 | gEfiShellParametersProtocol->Argv[3],\r | |
886 | L"/i") == 0)) {\r | |
887 | CaseInsensitive = TRUE;\r | |
888 | CurrentParameter++;\r | |
889 | } else {\r | |
890 | CaseInsensitive = FALSE;\r | |
891 | }\r | |
892 | if (gUnicodeCollation->StriColl(\r | |
893 | gUnicodeCollation,\r | |
894 | gEfiShellParametersProtocol->Argv[1],\r | |
895 | L"/s") == 0 ||\r | |
896 | gUnicodeCollation->StriColl(\r | |
897 | gUnicodeCollation,\r | |
898 | gEfiShellParametersProtocol->Argv[2],\r | |
899 | L"/s") == 0 ||\r | |
900 | (gEfiShellParametersProtocol->Argc > 3 && gUnicodeCollation->StriColl(\r | |
901 | gUnicodeCollation,\r | |
902 | gEfiShellParametersProtocol->Argv[3],\r | |
903 | L"/s") == 0)) {\r | |
904 | ForceString = TRUE;\r | |
905 | CurrentParameter++;\r | |
906 | } else {\r | |
907 | ForceString = FALSE;\r | |
908 | }\r | |
909 | \r | |
77dcec12 | 910 | for ( ShellStatus = SHELL_SUCCESS, CurrentValue = FALSE, Ending = EndTagMax\r |
a405b86d | 911 | ; CurrentParameter < gEfiShellParametersProtocol->Argc && ShellStatus == SHELL_SUCCESS\r |
912 | ; CurrentParameter++) {\r | |
913 | if (gUnicodeCollation->StriColl(\r | |
914 | gUnicodeCollation,\r | |
915 | gEfiShellParametersProtocol->Argv[CurrentParameter],\r | |
916 | L"then") == 0) {\r | |
917 | //\r | |
918 | // we are at the then\r | |
919 | //\r | |
920 | if (CurrentParameter+1 != gEfiShellParametersProtocol->Argc) {\r | |
921 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_TEXT_AFTER_THEN), gShellLevel1HiiHandle);\r | |
922 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
923 | } else {\r | |
924 | Status = PerformResultOperation(CurrentValue);\r | |
925 | if (EFI_ERROR(Status)) {\r | |
926 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_AFTER_BAD), gShellLevel1HiiHandle, gEfiShellParametersProtocol->Argv[CurrentParameter]);\r | |
927 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
928 | }\r | |
929 | }\r | |
930 | } else {\r | |
931 | PreviousEnding = Ending;\r | |
932 | //\r | |
933 | // build up the next statement for analysis\r | |
934 | //\r | |
935 | if (!BuildNextStatement(CurrentParameter, &EndParameter, &Ending)) {\r | |
ae724571 | 936 | CurrentScriptFile = ShellCommandGetCurrentScriptFile();\r |
937 | ShellPrintHiiEx(\r | |
938 | -1, \r | |
939 | -1, \r | |
940 | NULL, \r | |
941 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
942 | gShellLevel1HiiHandle, \r | |
943 | L"Then", \r | |
944 | L"If",\r | |
945 | CurrentScriptFile!=NULL \r | |
946 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
947 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 948 | ShellStatus = SHELL_INVALID_PARAMETER;\r |
949 | } else {\r | |
950 | //\r | |
951 | // Analyze the statement\r | |
952 | //\r | |
953 | Status = ProcessStatement(&CurrentValue, CurrentParameter, EndParameter, PreviousEnding, CaseInsensitive, ForceString);\r | |
954 | if (EFI_ERROR(Status)) {\r | |
955 | // ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_STARTING), gShellLevel1HiiHandle, gEfiShellParametersProtocol->Argv[CurrentParameter]);\r | |
956 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
957 | } else {\r | |
958 | //\r | |
959 | // Optomize to get out of the loop early...\r | |
960 | //\r | |
77dcec12 | 961 | if ((Ending == EndTagOr && CurrentValue) || (Ending == EndTagAnd && !CurrentValue)) {\r |
a405b86d | 962 | Status = PerformResultOperation(CurrentValue);\r |
963 | if (EFI_ERROR(Status)) {\r | |
964 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_AFTER_BAD), gShellLevel1HiiHandle, gEfiShellParametersProtocol->Argv[CurrentParameter]);\r | |
965 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
966 | }\r | |
967 | break;\r | |
968 | }\r | |
969 | }\r | |
970 | }\r | |
971 | if (ShellStatus == SHELL_SUCCESS){\r | |
972 | CurrentParameter = EndParameter;\r | |
973 | //\r | |
974 | // Skip over the or or and parameter.\r | |
975 | //\r | |
77dcec12 | 976 | if (Ending == EndTagOr || Ending == EndTagAnd) {\r |
a405b86d | 977 | CurrentParameter++;\r |
978 | }\r | |
979 | }\r | |
980 | }\r | |
981 | }\r | |
982 | return (ShellStatus);\r | |
983 | }\r | |
984 | \r | |
985 | /**\r | |
986 | Function for 'else' command.\r | |
987 | \r | |
988 | @param[in] ImageHandle Handle to the Image (NULL if Internal).\r | |
989 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).\r | |
990 | **/\r | |
991 | SHELL_STATUS\r | |
992 | EFIAPI\r | |
993 | ShellCommandRunElse (\r | |
994 | IN EFI_HANDLE ImageHandle,\r | |
995 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
996 | )\r | |
997 | {\r | |
ae724571 | 998 | SCRIPT_FILE *CurrentScriptFile;\r |
a405b86d | 999 | ASSERT_EFI_ERROR(CommandInit());\r |
1000 | \r | |
1001 | if (gEfiShellParametersProtocol->Argc > 1) {\r | |
1002 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel1HiiHandle);\r | |
1003 | return (SHELL_INVALID_PARAMETER);\r | |
1004 | }\r | |
1005 | \r | |
1006 | if (!gEfiShellProtocol->BatchIsActive()) {\r | |
1007 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_NO_SCRIPT), gShellLevel1HiiHandle, L"Else");\r | |
1008 | return (SHELL_UNSUPPORTED);\r | |
1009 | }\r | |
1010 | \r | |
ae724571 | 1011 | CurrentScriptFile = ShellCommandGetCurrentScriptFile();\r |
a405b86d | 1012 | \r |
ae724571 | 1013 | if (!MoveToTag(GetPreviousNode, L"if", L"endif", NULL, CurrentScriptFile, FALSE, TRUE, FALSE)) {\r |
33c031ee | 1014 | ShellPrintHiiEx(\r |
1015 | -1, \r | |
1016 | -1, \r | |
1017 | NULL, \r | |
1018 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
1019 | gShellLevel1HiiHandle, \r | |
1020 | L"If", \r | |
1021 | L"Else", \r | |
ae724571 | 1022 | CurrentScriptFile!=NULL \r |
1023 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
1024 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 1025 | return (SHELL_DEVICE_ERROR);\r |
1026 | }\r | |
ae724571 | 1027 | if (!MoveToTag(GetPreviousNode, L"if", L"else", NULL, CurrentScriptFile, FALSE, TRUE, FALSE)) {\r |
33c031ee | 1028 | ShellPrintHiiEx(\r |
1029 | -1, \r | |
1030 | -1, \r | |
1031 | NULL, \r | |
1032 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
1033 | gShellLevel1HiiHandle, \r | |
1034 | L"If", \r | |
1035 | L"Else", \r | |
ae724571 | 1036 | CurrentScriptFile!=NULL \r |
1037 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
1038 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 1039 | return (SHELL_DEVICE_ERROR);\r |
1040 | }\r | |
1041 | \r | |
ae724571 | 1042 | if (!MoveToTag(GetNextNode, L"endif", L"if", NULL, CurrentScriptFile, FALSE, FALSE, FALSE)) {\r |
33c031ee | 1043 | ShellPrintHiiEx(\r |
1044 | -1, \r | |
1045 | -1, \r | |
1046 | NULL, \r | |
1047 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
1048 | gShellLevel1HiiHandle, \r | |
1049 | L"EndIf", \r | |
1050 | "Else", \r | |
ae724571 | 1051 | CurrentScriptFile!=NULL \r |
1052 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
1053 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 1054 | return (SHELL_DEVICE_ERROR);\r |
1055 | }\r | |
1056 | \r | |
1057 | return (SHELL_SUCCESS);\r | |
1058 | }\r | |
1059 | \r | |
1060 | /**\r | |
1061 | Function for 'endif' command.\r | |
1062 | \r | |
1063 | @param[in] ImageHandle Handle to the Image (NULL if Internal).\r | |
1064 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).\r | |
1065 | **/\r | |
1066 | SHELL_STATUS\r | |
1067 | EFIAPI\r | |
1068 | ShellCommandRunEndIf (\r | |
1069 | IN EFI_HANDLE ImageHandle,\r | |
1070 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
1071 | )\r | |
1072 | {\r | |
ae724571 | 1073 | SCRIPT_FILE *CurrentScriptFile;\r |
a405b86d | 1074 | ASSERT_EFI_ERROR(CommandInit());\r |
1075 | \r | |
1076 | if (gEfiShellParametersProtocol->Argc > 1) {\r | |
1077 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel1HiiHandle);\r | |
1078 | return (SHELL_INVALID_PARAMETER);\r | |
1079 | }\r | |
1080 | \r | |
1081 | if (!gEfiShellProtocol->BatchIsActive()) {\r | |
1082 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_NO_SCRIPT), gShellLevel1HiiHandle, L"Endif");\r | |
1083 | return (SHELL_UNSUPPORTED);\r | |
1084 | }\r | |
1085 | \r | |
ae724571 | 1086 | CurrentScriptFile = ShellCommandGetCurrentScriptFile();\r |
1087 | if (!MoveToTag(GetPreviousNode, L"if", L"endif", NULL, CurrentScriptFile, FALSE, TRUE, FALSE)) {\r | |
33c031ee | 1088 | ShellPrintHiiEx(\r |
1089 | -1, \r | |
1090 | -1, \r | |
1091 | NULL, \r | |
1092 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
1093 | gShellLevel1HiiHandle, \r | |
1094 | L"If", \r | |
1095 | L"EndIf", \r | |
ae724571 | 1096 | CurrentScriptFile!=NULL \r |
1097 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
1098 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 1099 | return (SHELL_DEVICE_ERROR);\r |
1100 | }\r | |
1101 | \r | |
1102 | return (SHELL_SUCCESS);\r | |
1103 | }\r |