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a405b86d | 1 | /** @file\r |
2 | Main file for If and else shell level 1 function.\r | |
3 | \r | |
13acebbd | 4 | Copyright (c) 2013, Hewlett-Packard Development Company, L.P.\r |
77dcec12 | 5 | Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>\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 "UefiShellLevel1CommandsLib.h"\r | |
17 | #include <Library/PrintLib.h>\r | |
ab94587a | 18 | #include <Library/PathLib.h>\r |
a405b86d | 19 | \r |
a405b86d | 20 | typedef enum {\r |
77dcec12 | 21 | EndTagOr,\r |
22 | EndTagAnd,\r | |
23 | EndTagThen,\r | |
24 | EndTagMax\r | |
a405b86d | 25 | } END_TAG_TYPE;\r |
26 | \r | |
27 | typedef enum {\r | |
77dcec12 | 28 | OperatorGreaterThan,\r |
29 | OperatorLessThan,\r | |
30 | OperatorEqual,\r | |
31 | OperatorNotEqual,\r | |
32 | OperatorGreatorOrEqual,\r | |
33 | OperatorLessOrEqual,\r | |
34 | OperatorUnisgnedGreaterThan,\r | |
35 | OperatorUnsignedLessThan,\r | |
36 | OperatorUnsignedGreaterOrEqual,\r | |
37 | OperatorUnsignedLessOrEqual,\r | |
38 | OperatorMax\r | |
a405b86d | 39 | } BIN_OPERATOR_TYPE;\r |
40 | \r | |
77dcec12 | 41 | /**\r |
42 | Extract the next fragment, if there is one.\r | |
43 | \r | |
4ff7e37b ED |
44 | @param[in, out] Statement The current remaining statement.\r |
45 | @param[in] Fragment The current fragment.\r | |
77dcec12 | 46 | \r |
47 | @retval FALSE There is not another fragment.\r | |
48 | @retval TRUE There is another fragment.\r | |
49 | **/\r | |
a405b86d | 50 | BOOLEAN\r |
51 | EFIAPI\r | |
52 | IsNextFragment (\r | |
77dcec12 | 53 | IN OUT CONST CHAR16 **Statement,\r |
a405b86d | 54 | IN CONST CHAR16 *Fragment\r |
55 | )\r | |
56 | {\r | |
57 | CHAR16 *Tester;\r | |
58 | \r | |
59 | Tester = NULL;\r | |
60 | \r | |
61 | Tester = StrnCatGrow(&Tester, NULL, *Statement, StrLen(Fragment));\r | |
62 | ASSERT(Tester != NULL);\r | |
63 | Tester[StrLen(Fragment)] = CHAR_NULL;\r | |
64 | if (gUnicodeCollation->StriColl(\r | |
65 | gUnicodeCollation,\r | |
66 | (CHAR16*)Fragment,\r | |
67 | Tester) == 0) {\r | |
68 | //\r | |
69 | // increment the string pointer to the end of what we found and then chop off spaces...\r | |
70 | //\r | |
71 | *Statement+=StrLen(Fragment);\r | |
72 | while (*Statement[0] == L' ') {\r | |
1ca79586 | 73 | (*Statement)++;\r |
a405b86d | 74 | }\r |
75 | FreePool(Tester);\r | |
76 | return (TRUE);\r | |
77 | }\r | |
78 | FreePool(Tester);\r | |
79 | return (FALSE);\r | |
80 | }\r | |
81 | \r | |
77dcec12 | 82 | /**\r |
83 | Determine if String represents a valid profile.\r | |
84 | \r | |
85 | @param[in] String The pointer to the string to test.\r | |
86 | \r | |
87 | @retval TRUE String is a valid profile.\r | |
88 | @retval FALSE String is not a valid profile.\r | |
89 | **/\r | |
a405b86d | 90 | BOOLEAN\r |
91 | EFIAPI\r | |
92 | IsValidProfile (\r | |
93 | IN CONST CHAR16 *String\r | |
94 | )\r | |
95 | {\r | |
96 | CONST CHAR16 *ProfilesString;\r | |
97 | CONST CHAR16 *TempLocation;\r | |
98 | \r | |
99 | ProfilesString = ShellGetEnvironmentVariable(L"profiles");\r | |
ab94587a | 100 | ASSERT(ProfilesString != NULL);\r |
a405b86d | 101 | TempLocation = StrStr(ProfilesString, String);\r |
102 | if ((TempLocation != NULL) && (*(TempLocation-1) == L';') && (*(TempLocation+StrLen(String)) == L';')) {\r | |
103 | return (TRUE);\r | |
104 | }\r | |
105 | return (FALSE);\r | |
106 | }\r | |
107 | \r | |
77dcec12 | 108 | /**\r |
109 | Do a comparison between 2 things.\r | |
110 | \r | |
111 | @param[in] Compare1 The first item to compare.\r | |
112 | @param[in] Compare2 The second item to compare.\r | |
113 | @param[in] BinOp The type of comparison to perform.\r | |
114 | @param[in] CaseInsensitive TRUE to do non-case comparison, FALSE otherwise.\r | |
115 | @param[in] ForceStringCompare TRUE to force string comparison, FALSE otherwise.\r | |
116 | \r | |
117 | @return The result of the comparison.\r | |
118 | **/\r | |
a405b86d | 119 | BOOLEAN\r |
120 | EFIAPI\r | |
121 | TestOperation (\r | |
122 | IN CONST CHAR16 *Compare1,\r | |
123 | IN CONST CHAR16 *Compare2,\r | |
124 | IN CONST BIN_OPERATOR_TYPE BinOp,\r | |
125 | IN CONST BOOLEAN CaseInsensitive,\r | |
126 | IN CONST BOOLEAN ForceStringCompare\r | |
127 | )\r | |
128 | {\r | |
129 | INTN Cmp1;\r | |
130 | INTN Cmp2;\r | |
131 | \r | |
132 | //\r | |
133 | // "Compare1 BinOp Compare2"\r | |
134 | //\r | |
135 | switch (BinOp) {\r | |
77dcec12 | 136 | case OperatorUnisgnedGreaterThan:\r |
137 | case OperatorGreaterThan:\r | |
a405b86d | 138 | if (ForceStringCompare || !ShellIsHexOrDecimalNumber(Compare1, FALSE, FALSE) || !ShellIsHexOrDecimalNumber(Compare2, FALSE, FALSE)) {\r |
139 | //\r | |
140 | // string compare\r | |
141 | //\r | |
142 | if ((CaseInsensitive && StringNoCaseCompare(&Compare1, &Compare2) > 0) || (StringCompare(&Compare1, &Compare2) > 0)) {\r | |
143 | return (TRUE);\r | |
144 | }\r | |
145 | } else {\r | |
146 | //\r | |
147 | // numeric compare\r | |
148 | //\r | |
149 | if (Compare1[0] == L'-') {\r | |
77dcec12 | 150 | Cmp1 = 0 - (INTN)ShellStrToUintn(Compare1+1);\r |
a405b86d | 151 | } else {\r |
77dcec12 | 152 | Cmp1 = (INTN)ShellStrToUintn(Compare1);\r |
a405b86d | 153 | }\r |
154 | if (Compare2[0] == L'-') {\r | |
77dcec12 | 155 | Cmp2 = 0 - (INTN)ShellStrToUintn(Compare2+1);\r |
a405b86d | 156 | } else {\r |
77dcec12 | 157 | Cmp2 = (INTN)ShellStrToUintn(Compare2);\r |
a405b86d | 158 | }\r |
77dcec12 | 159 | if (BinOp == OperatorGreaterThan) {\r |
a405b86d | 160 | if (Cmp1 > Cmp2) {\r |
161 | return (TRUE);\r | |
162 | }\r | |
163 | } else {\r | |
164 | if ((UINTN)Cmp1 > (UINTN)Cmp2) {\r | |
165 | return (TRUE);\r | |
166 | }\r | |
167 | }\r | |
168 | }\r | |
169 | return (FALSE);\r | |
77dcec12 | 170 | case OperatorUnsignedLessThan:\r |
171 | case OperatorLessThan:\r | |
a405b86d | 172 | if (ForceStringCompare || !ShellIsHexOrDecimalNumber(Compare1, FALSE, FALSE) || !ShellIsHexOrDecimalNumber(Compare2, FALSE, FALSE)) {\r |
173 | //\r | |
174 | // string compare\r | |
175 | //\r | |
176 | if ((CaseInsensitive && StringNoCaseCompare(&Compare1, &Compare2) < 0) || (StringCompare(&Compare1, &Compare2) < 0)) {\r | |
177 | return (TRUE);\r | |
178 | }\r | |
179 | } else {\r | |
180 | //\r | |
181 | // numeric compare\r | |
182 | //\r | |
183 | if (Compare1[0] == L'-') {\r | |
77dcec12 | 184 | Cmp1 = 0 - (INTN)ShellStrToUintn(Compare1+1);\r |
a405b86d | 185 | } else {\r |
77dcec12 | 186 | Cmp1 = (INTN)ShellStrToUintn(Compare1);\r |
a405b86d | 187 | }\r |
188 | if (Compare2[0] == L'-') {\r | |
77dcec12 | 189 | Cmp2 = 0 - (INTN)ShellStrToUintn(Compare2+1);\r |
a405b86d | 190 | } else {\r |
77dcec12 | 191 | Cmp2 = (INTN)ShellStrToUintn(Compare2);\r |
a405b86d | 192 | }\r |
77dcec12 | 193 | if (BinOp == OperatorLessThan) {\r |
a405b86d | 194 | if (Cmp1 < Cmp2) {\r |
195 | return (TRUE);\r | |
196 | }\r | |
197 | } else {\r | |
198 | if ((UINTN)Cmp1 < (UINTN)Cmp2) {\r | |
199 | return (TRUE);\r | |
200 | }\r | |
201 | }\r | |
202 | \r | |
203 | }\r | |
204 | return (FALSE);\r | |
77dcec12 | 205 | case OperatorEqual:\r |
a405b86d | 206 | if (ForceStringCompare || !ShellIsHexOrDecimalNumber(Compare1, FALSE, FALSE) || !ShellIsHexOrDecimalNumber(Compare2, FALSE, FALSE)) {\r |
207 | //\r | |
208 | // string compare\r | |
209 | //\r | |
210 | if ((CaseInsensitive && StringNoCaseCompare(&Compare1, &Compare2) == 0) || (StringCompare(&Compare1, &Compare2) == 0)) {\r | |
211 | return (TRUE);\r | |
212 | }\r | |
213 | } else {\r | |
214 | //\r | |
215 | // numeric compare\r | |
216 | //\r | |
217 | if (Compare1[0] == L'-') {\r | |
218 | Cmp1 = 0 - (INTN)ShellStrToUintn(Compare1+1);\r | |
219 | } else {\r | |
220 | Cmp1 = (INTN)ShellStrToUintn(Compare1);\r | |
221 | }\r | |
222 | if (Compare2[0] == L'-') {\r | |
223 | Cmp2 = 0 - (INTN)ShellStrToUintn(Compare2+1);\r | |
224 | } else {\r | |
225 | Cmp2 = (INTN)ShellStrToUintn(Compare2);\r | |
226 | }\r | |
227 | if (Cmp1 == Cmp2) {\r | |
228 | return (TRUE);\r | |
229 | }\r | |
230 | }\r | |
231 | return (FALSE);\r | |
77dcec12 | 232 | case OperatorNotEqual:\r |
a405b86d | 233 | if (ForceStringCompare || !ShellIsHexOrDecimalNumber(Compare1, FALSE, FALSE) || !ShellIsHexOrDecimalNumber(Compare2, FALSE, FALSE)) {\r |
234 | //\r | |
235 | // string compare\r | |
236 | //\r | |
237 | if ((CaseInsensitive && StringNoCaseCompare(&Compare1, &Compare2) != 0) || (StringCompare(&Compare1, &Compare2) != 0)) {\r | |
238 | return (TRUE);\r | |
239 | }\r | |
240 | } else {\r | |
241 | //\r | |
242 | // numeric compare\r | |
243 | //\r | |
244 | if (Compare1[0] == L'-') {\r | |
77dcec12 | 245 | Cmp1 = 0 - (INTN)ShellStrToUintn(Compare1+1);\r |
a405b86d | 246 | } else {\r |
77dcec12 | 247 | Cmp1 = (INTN)ShellStrToUintn(Compare1);\r |
a405b86d | 248 | }\r |
249 | if (Compare2[0] == L'-') {\r | |
77dcec12 | 250 | Cmp2 = 0 - (INTN)ShellStrToUintn(Compare2+1);\r |
a405b86d | 251 | } else {\r |
77dcec12 | 252 | Cmp2 = (INTN)ShellStrToUintn(Compare2);\r |
a405b86d | 253 | }\r |
254 | if (Cmp1 != Cmp2) {\r | |
255 | return (TRUE);\r | |
256 | }\r | |
257 | }\r | |
258 | return (FALSE);\r | |
77dcec12 | 259 | case OperatorUnsignedGreaterOrEqual:\r |
260 | case OperatorGreatorOrEqual:\r | |
a405b86d | 261 | if (ForceStringCompare || !ShellIsHexOrDecimalNumber(Compare1, FALSE, FALSE) || !ShellIsHexOrDecimalNumber(Compare2, FALSE, FALSE)) {\r |
262 | //\r | |
263 | // string compare\r | |
264 | //\r | |
265 | if ((CaseInsensitive && StringNoCaseCompare(&Compare1, &Compare2) >= 0) || (StringCompare(&Compare1, &Compare2) >= 0)) {\r | |
266 | return (TRUE);\r | |
267 | }\r | |
268 | } else {\r | |
269 | //\r | |
270 | // numeric compare\r | |
271 | //\r | |
272 | if (Compare1[0] == L'-') {\r | |
77dcec12 | 273 | Cmp1 = 0 - (INTN)ShellStrToUintn(Compare1+1);\r |
a405b86d | 274 | } else {\r |
77dcec12 | 275 | Cmp1 = (INTN)ShellStrToUintn(Compare1);\r |
a405b86d | 276 | }\r |
277 | if (Compare2[0] == L'-') {\r | |
77dcec12 | 278 | Cmp2 = 0 - (INTN)ShellStrToUintn(Compare2+1);\r |
a405b86d | 279 | } else {\r |
77dcec12 | 280 | Cmp2 = (INTN)ShellStrToUintn(Compare2);\r |
a405b86d | 281 | }\r |
77dcec12 | 282 | if (BinOp == OperatorGreatorOrEqual) {\r |
a405b86d | 283 | if (Cmp1 >= Cmp2) {\r |
284 | return (TRUE);\r | |
285 | }\r | |
286 | } else {\r | |
287 | if ((UINTN)Cmp1 >= (UINTN)Cmp2) {\r | |
288 | return (TRUE);\r | |
289 | }\r | |
290 | }\r | |
291 | }\r | |
292 | return (FALSE);\r | |
77dcec12 | 293 | case OperatorLessOrEqual:\r |
294 | case OperatorUnsignedLessOrEqual:\r | |
a405b86d | 295 | if (ForceStringCompare || !ShellIsHexOrDecimalNumber(Compare1, FALSE, FALSE) || !ShellIsHexOrDecimalNumber(Compare2, FALSE, FALSE)) {\r |
296 | //\r | |
297 | // string compare\r | |
298 | //\r | |
299 | if ((CaseInsensitive && StringNoCaseCompare(&Compare1, &Compare2) <= 0) || (StringCompare(&Compare1, &Compare2) <= 0)) {\r | |
300 | return (TRUE);\r | |
301 | }\r | |
302 | } else {\r | |
303 | //\r | |
304 | // numeric compare\r | |
305 | //\r | |
306 | if (Compare1[0] == L'-') {\r | |
77dcec12 | 307 | Cmp1 = 0 - (INTN)ShellStrToUintn(Compare1+1);\r |
a405b86d | 308 | } else {\r |
77dcec12 | 309 | Cmp1 = (INTN)ShellStrToUintn(Compare1);\r |
a405b86d | 310 | }\r |
311 | if (Compare2[0] == L'-') {\r | |
77dcec12 | 312 | Cmp2 = 0 - (INTN)ShellStrToUintn(Compare2+1);\r |
a405b86d | 313 | } else {\r |
77dcec12 | 314 | Cmp2 = (INTN)ShellStrToUintn(Compare2);\r |
a405b86d | 315 | }\r |
77dcec12 | 316 | if (BinOp == OperatorLessOrEqual) {\r |
a405b86d | 317 | if (Cmp1 <= Cmp2) {\r |
318 | return (TRUE);\r | |
319 | }\r | |
320 | } else {\r | |
321 | if ((UINTN)Cmp1 <= (UINTN)Cmp2) {\r | |
322 | return (TRUE);\r | |
323 | }\r | |
324 | }\r | |
325 | }\r | |
326 | return (FALSE);\r | |
e9723321 | 327 | default:\r |
328 | ASSERT(FALSE);\r | |
329 | return (FALSE);\r | |
a405b86d | 330 | }\r |
a405b86d | 331 | }\r |
332 | \r | |
77dcec12 | 333 | /**\r |
334 | Process an if statement and determine if its is valid or not.\r | |
335 | \r | |
4ff7e37b ED |
336 | @param[in, out] PassingState Opon entry, the current state. Upon exit, \r |
337 | the new state.\r | |
338 | @param[in] StartParameterNumber The number of the first parameter of\r | |
339 | this statement.\r | |
340 | @param[in] EndParameterNumber The number of the final parameter of\r | |
341 | this statement.\r | |
342 | @param[in] OperatorToUse The type of termination operator.\r | |
343 | @param[in] CaseInsensitive TRUE for case insensitive, FALSE otherwise.\r | |
344 | @param[in] ForceStringCompare TRUE for all string based, FALSE otherwise.\r | |
77dcec12 | 345 | \r |
346 | @retval EFI_INVALID_PARAMETER A parameter was invalid.\r | |
347 | @retval EFI_SUCCESS The operation was successful. \r | |
348 | **/\r | |
a405b86d | 349 | EFI_STATUS\r |
350 | EFIAPI\r | |
351 | ProcessStatement (\r | |
352 | IN OUT BOOLEAN *PassingState,\r | |
353 | IN UINTN StartParameterNumber,\r | |
354 | IN UINTN EndParameterNumber,\r | |
355 | IN CONST END_TAG_TYPE OperatorToUse,\r | |
356 | IN CONST BOOLEAN CaseInsensitive,\r | |
357 | IN CONST BOOLEAN ForceStringCompare\r | |
358 | )\r | |
359 | {\r | |
360 | EFI_STATUS Status;\r | |
361 | BOOLEAN OperationResult;\r | |
362 | BOOLEAN NotPresent;\r | |
363 | CHAR16 *StatementWalker;\r | |
364 | BIN_OPERATOR_TYPE BinOp;\r | |
365 | CHAR16 *Compare1;\r | |
366 | CHAR16 *Compare2;\r | |
367 | CHAR16 HexString[20];\r | |
368 | CHAR16 *TempSpot;\r | |
369 | \r | |
77dcec12 | 370 | ASSERT((END_TAG_TYPE)OperatorToUse != EndTagThen);\r |
a405b86d | 371 | \r |
372 | Status = EFI_SUCCESS;\r | |
77dcec12 | 373 | BinOp = OperatorMax;\r |
a405b86d | 374 | OperationResult = FALSE;\r |
375 | StatementWalker = gEfiShellParametersProtocol->Argv[StartParameterNumber];\r | |
376 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"not")) {\r | |
377 | NotPresent = TRUE;\r | |
378 | StatementWalker = gEfiShellParametersProtocol->Argv[++StartParameterNumber];\r | |
379 | } else {\r | |
380 | NotPresent = FALSE;\r | |
381 | }\r | |
382 | \r | |
383 | //\r | |
384 | // now check for 'boolfunc' operators\r | |
385 | //\r | |
386 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"isint")) {\r | |
387 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && StatementWalker[StrLen(StatementWalker)-1] == L')') {\r | |
388 | StatementWalker[StrLen(StatementWalker)-1] = CHAR_NULL;\r | |
389 | OperationResult = ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE);\r | |
390 | } else {\r | |
391 | Status = EFI_INVALID_PARAMETER;\r | |
392 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"isint");\r | |
393 | }\r | |
394 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"exists") || IsNextFragment((CONST CHAR16**)(&StatementWalker), L"exist")) {\r | |
395 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && StatementWalker[StrLen(StatementWalker)-1] == L')') {\r | |
396 | StatementWalker[StrLen(StatementWalker)-1] = CHAR_NULL;\r | |
397 | //\r | |
398 | // is what remains a file in CWD???\r | |
399 | //\r | |
400 | OperationResult = (BOOLEAN)(ShellFileExists(StatementWalker)==EFI_SUCCESS);\r | |
401 | } else if (StatementWalker[0] == CHAR_NULL && StartParameterNumber+1 == EndParameterNumber) {\r | |
402 | OperationResult = (BOOLEAN)(ShellFileExists(gEfiShellParametersProtocol->Argv[++StartParameterNumber])==EFI_SUCCESS);\r | |
403 | } else {\r | |
404 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"exist(s)");\r | |
405 | Status = EFI_INVALID_PARAMETER;\r | |
406 | }\r | |
407 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"available")) {\r | |
408 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && StatementWalker[StrLen(StatementWalker)-1] == L')') {\r | |
409 | StatementWalker[StrLen(StatementWalker)-1] = CHAR_NULL;\r | |
410 | //\r | |
411 | // is what remains a file in the CWD or path???\r | |
412 | //\r | |
413 | OperationResult = (BOOLEAN)(ShellIsFileInPath(StatementWalker)==EFI_SUCCESS);\r | |
414 | } else {\r | |
415 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"available");\r | |
416 | Status = EFI_INVALID_PARAMETER;\r | |
417 | }\r | |
418 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"profile")) {\r | |
419 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && StatementWalker[StrLen(StatementWalker)-1] == L')') {\r | |
420 | //\r | |
421 | // Chop off that ')'\r | |
422 | //\r | |
423 | StatementWalker[StrLen(StatementWalker)-1] = CHAR_NULL;\r | |
424 | OperationResult = IsValidProfile(StatementWalker);\r | |
425 | } else {\r | |
426 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"profile");\r | |
427 | Status = EFI_INVALID_PARAMETER;\r | |
428 | }\r | |
429 | } else if (StartParameterNumber+1 >= EndParameterNumber) {\r | |
430 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, gEfiShellParametersProtocol->Argv[StartParameterNumber]);\r | |
431 | Status = EFI_INVALID_PARAMETER;\r | |
432 | } else {\r | |
433 | //\r | |
434 | // must be 'item binop item' style\r | |
435 | //\r | |
436 | Compare1 = NULL;\r | |
437 | Compare2 = NULL;\r | |
77dcec12 | 438 | BinOp = OperatorMax;\r |
a405b86d | 439 | \r |
440 | //\r | |
441 | // get the first item\r | |
442 | //\r | |
443 | StatementWalker = gEfiShellParametersProtocol->Argv[StartParameterNumber];\r | |
444 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"efierror")) {\r | |
445 | TempSpot = StrStr(StatementWalker, L")");\r | |
446 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && TempSpot != NULL) {\r | |
447 | *TempSpot = CHAR_NULL;\r | |
448 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
449 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT);\r | |
450 | ASSERT(Compare1 == NULL);\r | |
451 | Compare1 = StrnCatGrow(&Compare1, NULL, HexString, 0);\r | |
452 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
453 | } else {\r | |
454 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"efierror");\r | |
455 | Status = EFI_INVALID_PARAMETER;\r | |
456 | }\r | |
457 | } else {\r | |
458 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"efierror");\r | |
459 | Status = EFI_INVALID_PARAMETER;\r | |
460 | }\r | |
461 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"pierror")) {\r | |
462 | TempSpot = StrStr(StatementWalker, L")");\r | |
463 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && TempSpot != NULL) {\r | |
464 | *TempSpot = CHAR_NULL;\r | |
465 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
466 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT|(MAX_BIT>>2));\r | |
467 | ASSERT(Compare1 == NULL);\r | |
468 | Compare1 = StrnCatGrow(&Compare1, NULL, HexString, 0);\r | |
469 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
470 | } else {\r | |
471 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"pierror");\r | |
472 | Status = EFI_INVALID_PARAMETER;\r | |
473 | }\r | |
474 | } else {\r | |
475 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"pierror");\r | |
476 | Status = EFI_INVALID_PARAMETER;\r | |
477 | }\r | |
478 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"oemerror")) {\r | |
479 | TempSpot = StrStr(StatementWalker, L")");\r | |
480 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && TempSpot != NULL) {\r | |
481 | TempSpot = CHAR_NULL;\r | |
482 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
483 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT|(MAX_BIT>>1));\r | |
484 | ASSERT(Compare1 == NULL);\r | |
485 | Compare1 = StrnCatGrow(&Compare1, NULL, HexString, 0);\r | |
486 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
487 | } else {\r | |
488 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"oemerror");\r | |
489 | Status = EFI_INVALID_PARAMETER;\r | |
490 | }\r | |
491 | } else {\r | |
492 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"oemerror");\r | |
493 | Status = EFI_INVALID_PARAMETER;\r | |
494 | }\r | |
495 | } else {\r | |
496 | ASSERT(Compare1 == NULL);\r | |
497 | if (EndParameterNumber - StartParameterNumber > 2) {\r | |
498 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_STARTING), gShellLevel1HiiHandle, gEfiShellParametersProtocol->Argv[StartParameterNumber+2]);\r | |
499 | Status = EFI_INVALID_PARAMETER;\r | |
500 | } else {\r | |
501 | //\r | |
502 | // must be a raw string\r | |
503 | //\r | |
504 | Compare1 = StrnCatGrow(&Compare1, NULL, StatementWalker, 0);\r | |
505 | }\r | |
506 | }\r | |
507 | \r | |
508 | //\r | |
509 | // get the operator\r | |
510 | //\r | |
511 | ASSERT(StartParameterNumber+1<EndParameterNumber);\r | |
512 | StatementWalker = gEfiShellParametersProtocol->Argv[StartParameterNumber+1];\r | |
513 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"gt")) {\r | |
77dcec12 | 514 | BinOp = OperatorGreaterThan;\r |
a405b86d | 515 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"lt")) {\r |
77dcec12 | 516 | BinOp = OperatorLessThan;\r |
a405b86d | 517 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"eq")) {\r |
77dcec12 | 518 | BinOp = OperatorEqual;\r |
a405b86d | 519 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"ne")) {\r |
77dcec12 | 520 | BinOp = OperatorNotEqual;\r |
a405b86d | 521 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"ge")) {\r |
77dcec12 | 522 | BinOp = OperatorGreatorOrEqual;\r |
a405b86d | 523 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"le")) {\r |
77dcec12 | 524 | BinOp = OperatorLessOrEqual;\r |
a405b86d | 525 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"==")) {\r |
77dcec12 | 526 | BinOp = OperatorEqual;\r |
a405b86d | 527 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"ugt")) {\r |
77dcec12 | 528 | BinOp = OperatorUnisgnedGreaterThan;\r |
a405b86d | 529 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"ult")) {\r |
77dcec12 | 530 | BinOp = OperatorUnsignedLessThan;\r |
a405b86d | 531 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"uge")) {\r |
77dcec12 | 532 | BinOp = OperatorUnsignedGreaterOrEqual;\r |
a405b86d | 533 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"ule")) {\r |
77dcec12 | 534 | BinOp = OperatorUnsignedLessOrEqual;\r |
a405b86d | 535 | } else {\r |
536 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_INVALID_BINOP), gShellLevel1HiiHandle, StatementWalker);\r | |
537 | Status = EFI_INVALID_PARAMETER;\r | |
538 | }\r | |
539 | \r | |
540 | //\r | |
541 | // get the second item\r | |
542 | //\r | |
543 | ASSERT(StartParameterNumber+2<=EndParameterNumber);\r | |
544 | StatementWalker = gEfiShellParametersProtocol->Argv[StartParameterNumber+2];\r | |
545 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"efierror")) {\r | |
546 | TempSpot = StrStr(StatementWalker, L")");\r | |
547 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && TempSpot != NULL) {\r | |
548 | TempSpot = CHAR_NULL;\r | |
549 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
550 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT);\r | |
551 | ASSERT(Compare2 == NULL);\r | |
552 | Compare2 = StrnCatGrow(&Compare2, NULL, HexString, 0);\r | |
553 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
554 | } else {\r | |
555 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"efierror");\r | |
556 | Status = EFI_INVALID_PARAMETER;\r | |
557 | }\r | |
558 | } else {\r | |
559 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"efierror");\r | |
560 | Status = EFI_INVALID_PARAMETER;\r | |
561 | }\r | |
562 | //\r | |
563 | // can this be collapsed into the above?\r | |
564 | //\r | |
565 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"pierror")) {\r | |
566 | TempSpot = StrStr(StatementWalker, L")");\r | |
567 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && TempSpot != NULL) {\r | |
568 | TempSpot = CHAR_NULL;\r | |
569 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
570 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT|(MAX_BIT>>2));\r | |
571 | ASSERT(Compare2 == NULL);\r | |
572 | Compare2 = StrnCatGrow(&Compare2, NULL, HexString, 0);\r | |
573 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
574 | } else {\r | |
575 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"pierror");\r | |
576 | Status = EFI_INVALID_PARAMETER;\r | |
577 | }\r | |
578 | } else {\r | |
579 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"pierror");\r | |
580 | Status = EFI_INVALID_PARAMETER;\r | |
581 | }\r | |
582 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"oemerror")) {\r | |
583 | TempSpot = StrStr(StatementWalker, L")");\r | |
584 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && TempSpot != NULL) {\r | |
585 | TempSpot = CHAR_NULL;\r | |
586 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
587 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT|(MAX_BIT>>1));\r | |
588 | ASSERT(Compare2 == NULL);\r | |
589 | Compare2 = StrnCatGrow(&Compare2, NULL, HexString, 0);\r | |
590 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
591 | } else {\r | |
592 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"oemerror");\r | |
593 | Status = EFI_INVALID_PARAMETER;\r | |
594 | }\r | |
595 | } else {\r | |
596 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"oemerror");\r | |
597 | Status = EFI_INVALID_PARAMETER;\r | |
598 | }\r | |
599 | } else {\r | |
600 | //\r | |
601 | // must be a raw string\r | |
602 | //\r | |
603 | ASSERT(Compare2 == NULL);\r | |
604 | Compare2 = StrnCatGrow(&Compare2, NULL, StatementWalker, 0);\r | |
605 | }\r | |
606 | \r | |
77dcec12 | 607 | if (Compare1 != NULL && Compare2 != NULL && BinOp != OperatorMax) {\r |
a405b86d | 608 | OperationResult = TestOperation(Compare1, Compare2, BinOp, CaseInsensitive, ForceStringCompare);\r |
609 | }\r | |
610 | \r | |
611 | SHELL_FREE_NON_NULL(Compare1);\r | |
612 | SHELL_FREE_NON_NULL(Compare2);\r | |
613 | }\r | |
614 | \r | |
615 | //\r | |
616 | // done processing do result...\r | |
617 | //\r | |
618 | \r | |
619 | if (!EFI_ERROR(Status)) {\r | |
620 | if (NotPresent) {\r | |
621 | OperationResult = (BOOLEAN)(!OperationResult);\r | |
622 | }\r | |
623 | switch(OperatorToUse) {\r | |
77dcec12 | 624 | case EndTagOr:\r |
a405b86d | 625 | *PassingState = (BOOLEAN)(*PassingState || OperationResult);\r |
626 | break;\r | |
77dcec12 | 627 | case EndTagAnd:\r |
a405b86d | 628 | *PassingState = (BOOLEAN)(*PassingState && OperationResult);\r |
629 | break;\r | |
77dcec12 | 630 | case EndTagMax:\r |
a405b86d | 631 | *PassingState = (BOOLEAN)(OperationResult);\r |
632 | break;\r | |
633 | default:\r | |
634 | ASSERT(FALSE);\r | |
635 | }\r | |
636 | }\r | |
637 | return (Status);\r | |
638 | }\r | |
639 | \r | |
77dcec12 | 640 | /**\r |
641 | Break up the next part of the if statement (until the next 'and', 'or', or 'then').\r | |
642 | \r | |
643 | @param[in] ParameterNumber The current parameter number.\r | |
644 | @param[out] EndParameter Upon successful return, will point to the \r | |
645 | parameter to start the next iteration with.\r | |
646 | @param[out] EndTag Upon successful return, will point to the \r | |
647 | type that was found at the end of this statement.\r | |
648 | \r | |
649 | @retval TRUE A valid statement was found.\r | |
650 | @retval FALSE A valid statement was not found.\r | |
651 | **/\r | |
a405b86d | 652 | BOOLEAN\r |
653 | EFIAPI\r | |
654 | BuildNextStatement (\r | |
655 | IN UINTN ParameterNumber,\r | |
656 | OUT UINTN *EndParameter,\r | |
657 | OUT END_TAG_TYPE *EndTag\r | |
658 | )\r | |
659 | {\r | |
77dcec12 | 660 | *EndTag = EndTagMax;\r |
a405b86d | 661 | \r |
e755a4ca | 662 | for(\r |
a405b86d | 663 | ; ParameterNumber < gEfiShellParametersProtocol->Argc\r |
664 | ; ParameterNumber++\r | |
665 | ) {\r | |
666 | if (gUnicodeCollation->StriColl(\r | |
667 | gUnicodeCollation,\r | |
668 | gEfiShellParametersProtocol->Argv[ParameterNumber],\r | |
669 | L"or") == 0) {\r | |
670 | *EndParameter = ParameterNumber - 1;\r | |
77dcec12 | 671 | *EndTag = EndTagOr;\r |
a405b86d | 672 | break;\r |
673 | } else if (gUnicodeCollation->StriColl(\r | |
674 | gUnicodeCollation,\r | |
675 | gEfiShellParametersProtocol->Argv[ParameterNumber],\r | |
676 | L"and") == 0) {\r | |
677 | *EndParameter = ParameterNumber - 1;\r | |
77dcec12 | 678 | *EndTag = EndTagAnd;\r |
a405b86d | 679 | break;\r |
680 | } else if (gUnicodeCollation->StriColl(\r | |
681 | gUnicodeCollation,\r | |
682 | gEfiShellParametersProtocol->Argv[ParameterNumber],\r | |
683 | L"then") == 0) {\r | |
684 | *EndParameter = ParameterNumber - 1;\r | |
77dcec12 | 685 | *EndTag = EndTagThen;\r |
a405b86d | 686 | break;\r |
687 | }\r | |
688 | }\r | |
77dcec12 | 689 | if (*EndTag == EndTagMax) {\r |
a405b86d | 690 | return (FALSE);\r |
691 | }\r | |
692 | return (TRUE);\r | |
693 | }\r | |
694 | \r | |
77dcec12 | 695 | /**\r |
696 | Move the script file pointer to a different place in the script file.\r | |
697 | This one is special since it handles the if/else/endif syntax.\r | |
698 | \r | |
699 | @param[in] ScriptFile The script file from GetCurrnetScriptFile().\r | |
700 | \r | |
701 | @retval TRUE The move target was found and the move was successful.\r | |
702 | @retval FALSE Something went wrong.\r | |
703 | **/\r | |
a405b86d | 704 | BOOLEAN\r |
705 | EFIAPI\r | |
706 | MoveToTagSpecial (\r | |
707 | IN SCRIPT_FILE *ScriptFile\r | |
708 | )\r | |
709 | {\r | |
710 | SCRIPT_COMMAND_LIST *CommandNode;\r | |
711 | BOOLEAN Found;\r | |
712 | UINTN TargetCount;\r | |
713 | CHAR16 *CommandName;\r | |
714 | CHAR16 *CommandWalker;\r | |
715 | CHAR16 *TempLocation;\r | |
716 | \r | |
717 | TargetCount = 1;\r | |
718 | Found = FALSE;\r | |
719 | \r | |
720 | if (ScriptFile == NULL) {\r | |
721 | return FALSE;\r | |
722 | }\r | |
723 | \r | |
724 | for (CommandNode = (SCRIPT_COMMAND_LIST *)GetNextNode(&ScriptFile->CommandList, &ScriptFile->CurrentCommand->Link), Found = FALSE\r | |
725 | ; !IsNull(&ScriptFile->CommandList, &CommandNode->Link) && !Found\r | |
726 | ; CommandNode = (SCRIPT_COMMAND_LIST *)GetNextNode(&ScriptFile->CommandList, &CommandNode->Link)\r | |
727 | ){\r | |
728 | \r | |
729 | //\r | |
730 | // get just the first part of the command line...\r | |
731 | //\r | |
732 | CommandName = NULL;\r | |
733 | CommandName = StrnCatGrow(&CommandName, NULL, CommandNode->Cl, 0);\r | |
532691c8 | 734 | if (CommandName == NULL) {\r |
735 | continue;\r | |
736 | }\r | |
a405b86d | 737 | CommandWalker = CommandName;\r |
13acebbd CP |
738 | \r |
739 | //\r | |
740 | // Skip leading spaces and tabs.\r | |
741 | //\r | |
742 | while ((CommandWalker[0] == L' ') || (CommandWalker[0] == L'\t')) {\r | |
a405b86d | 743 | CommandWalker++;\r |
744 | }\r | |
745 | TempLocation = StrStr(CommandWalker, L" ");\r | |
746 | \r | |
747 | if (TempLocation != NULL) {\r | |
748 | *TempLocation = CHAR_NULL;\r | |
749 | }\r | |
750 | \r | |
751 | //\r | |
752 | // did we find a nested item ?\r | |
753 | //\r | |
754 | if (gUnicodeCollation->StriColl(\r | |
755 | gUnicodeCollation,\r | |
756 | (CHAR16*)CommandWalker,\r | |
757 | L"If") == 0) {\r | |
758 | TargetCount++;\r | |
759 | } else if (TargetCount == 1 && gUnicodeCollation->StriColl(\r | |
760 | gUnicodeCollation,\r | |
761 | (CHAR16*)CommandWalker,\r | |
762 | (CHAR16*)L"else") == 0) {\r | |
763 | //\r | |
764 | // else can only decrement the last part... not an nested if\r | |
765 | // hence the TargetCount compare added\r | |
766 | //\r | |
767 | TargetCount--;\r | |
768 | } else if (gUnicodeCollation->StriColl(\r | |
769 | gUnicodeCollation,\r | |
770 | (CHAR16*)CommandWalker,\r | |
771 | (CHAR16*)L"endif") == 0) {\r | |
772 | TargetCount--;\r | |
773 | }\r | |
774 | if (TargetCount == 0) {\r | |
775 | ScriptFile->CurrentCommand = (SCRIPT_COMMAND_LIST *)GetNextNode(&ScriptFile->CommandList, &CommandNode->Link);\r | |
776 | Found = TRUE;\r | |
777 | }\r | |
778 | \r | |
779 | //\r | |
780 | // Free the memory for this loop...\r | |
781 | //\r | |
782 | SHELL_FREE_NON_NULL(CommandName);\r | |
783 | }\r | |
784 | return (Found);\r | |
785 | }\r | |
786 | \r | |
77dcec12 | 787 | /**\r |
788 | Deal with the result of the if operation.\r | |
789 | \r | |
790 | @param[in] Result The result of the if.\r | |
791 | \r | |
792 | @retval EFI_SUCCESS The operation was successful.\r | |
793 | @retval EFI_NOT_FOUND The ending tag could not be found.\r | |
794 | **/\r | |
a405b86d | 795 | EFI_STATUS\r |
796 | EFIAPI\r | |
797 | PerformResultOperation (\r | |
798 | IN CONST BOOLEAN Result\r | |
799 | )\r | |
800 | {\r | |
801 | if (Result || MoveToTagSpecial(ShellCommandGetCurrentScriptFile())) {\r | |
802 | return (EFI_SUCCESS);\r | |
803 | }\r | |
804 | return (EFI_NOT_FOUND);\r | |
805 | }\r | |
806 | \r | |
807 | /**\r | |
808 | Function for 'if' command.\r | |
809 | \r | |
810 | @param[in] ImageHandle Handle to the Image (NULL if Internal).\r | |
811 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).\r | |
812 | **/\r | |
813 | SHELL_STATUS\r | |
814 | EFIAPI\r | |
815 | ShellCommandRunIf (\r | |
816 | IN EFI_HANDLE ImageHandle,\r | |
817 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
818 | )\r | |
819 | {\r | |
820 | EFI_STATUS Status;\r | |
821 | SHELL_STATUS ShellStatus;\r | |
822 | BOOLEAN CaseInsensitive;\r | |
823 | BOOLEAN ForceString;\r | |
824 | UINTN CurrentParameter;\r | |
825 | UINTN EndParameter;\r | |
826 | BOOLEAN CurrentValue;\r | |
827 | END_TAG_TYPE Ending;\r | |
828 | END_TAG_TYPE PreviousEnding;\r | |
ae724571 | 829 | SCRIPT_FILE *CurrentScriptFile;\r |
a405b86d | 830 | \r |
831 | Status = CommandInit();\r | |
832 | ASSERT_EFI_ERROR(Status);\r | |
833 | \r | |
834 | if (!gEfiShellProtocol->BatchIsActive()) {\r | |
835 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_NO_SCRIPT), gShellLevel1HiiHandle, L"If");\r | |
836 | return (SHELL_UNSUPPORTED);\r | |
837 | }\r | |
838 | \r | |
839 | if (gEfiShellParametersProtocol->Argc < 3) {\r | |
840 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel1HiiHandle);\r | |
841 | return (SHELL_INVALID_PARAMETER);\r | |
842 | }\r | |
843 | \r | |
844 | //\r | |
845 | // Make sure that an End exists.\r | |
846 | //\r | |
ae724571 | 847 | CurrentScriptFile = ShellCommandGetCurrentScriptFile();\r |
848 | if (!MoveToTag(GetNextNode, L"endif", L"if", NULL, CurrentScriptFile, TRUE, TRUE, FALSE)) {\r | |
33c031ee | 849 | ShellPrintHiiEx(\r |
850 | -1, \r | |
851 | -1, \r | |
852 | NULL, \r | |
853 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
854 | gShellLevel1HiiHandle, \r | |
13acebbd | 855 | L"EndIf", \r |
33c031ee | 856 | L"If", \r |
ae724571 | 857 | CurrentScriptFile!=NULL \r |
858 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
859 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 860 | return (SHELL_DEVICE_ERROR);\r |
861 | }\r | |
862 | \r | |
863 | //\r | |
864 | // initialize the shell lib (we must be in non-auto-init...)\r | |
865 | //\r | |
866 | Status = ShellInitialize();\r | |
867 | ASSERT_EFI_ERROR(Status);\r | |
868 | \r | |
869 | CurrentParameter = 1;\r | |
870 | EndParameter = 0;\r | |
871 | \r | |
872 | if (gUnicodeCollation->StriColl(\r | |
873 | gUnicodeCollation,\r | |
874 | gEfiShellParametersProtocol->Argv[1],\r | |
875 | L"/i") == 0 ||\r | |
876 | gUnicodeCollation->StriColl(\r | |
877 | gUnicodeCollation,\r | |
878 | gEfiShellParametersProtocol->Argv[2],\r | |
879 | L"/i") == 0 ||\r | |
880 | (gEfiShellParametersProtocol->Argc > 3 && gUnicodeCollation->StriColl(\r | |
881 | gUnicodeCollation,\r | |
882 | gEfiShellParametersProtocol->Argv[3],\r | |
883 | L"/i") == 0)) {\r | |
884 | CaseInsensitive = TRUE;\r | |
885 | CurrentParameter++;\r | |
886 | } else {\r | |
887 | CaseInsensitive = FALSE;\r | |
888 | }\r | |
889 | if (gUnicodeCollation->StriColl(\r | |
890 | gUnicodeCollation,\r | |
891 | gEfiShellParametersProtocol->Argv[1],\r | |
892 | L"/s") == 0 ||\r | |
893 | gUnicodeCollation->StriColl(\r | |
894 | gUnicodeCollation,\r | |
895 | gEfiShellParametersProtocol->Argv[2],\r | |
896 | L"/s") == 0 ||\r | |
897 | (gEfiShellParametersProtocol->Argc > 3 && gUnicodeCollation->StriColl(\r | |
898 | gUnicodeCollation,\r | |
899 | gEfiShellParametersProtocol->Argv[3],\r | |
900 | L"/s") == 0)) {\r | |
901 | ForceString = TRUE;\r | |
902 | CurrentParameter++;\r | |
903 | } else {\r | |
904 | ForceString = FALSE;\r | |
905 | }\r | |
906 | \r | |
77dcec12 | 907 | for ( ShellStatus = SHELL_SUCCESS, CurrentValue = FALSE, Ending = EndTagMax\r |
a405b86d | 908 | ; CurrentParameter < gEfiShellParametersProtocol->Argc && ShellStatus == SHELL_SUCCESS\r |
909 | ; CurrentParameter++) {\r | |
910 | if (gUnicodeCollation->StriColl(\r | |
911 | gUnicodeCollation,\r | |
912 | gEfiShellParametersProtocol->Argv[CurrentParameter],\r | |
913 | L"then") == 0) {\r | |
914 | //\r | |
915 | // we are at the then\r | |
916 | //\r | |
917 | if (CurrentParameter+1 != gEfiShellParametersProtocol->Argc) {\r | |
918 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_TEXT_AFTER_THEN), gShellLevel1HiiHandle);\r | |
919 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
920 | } else {\r | |
921 | Status = PerformResultOperation(CurrentValue);\r | |
922 | if (EFI_ERROR(Status)) {\r | |
923 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_AFTER_BAD), gShellLevel1HiiHandle, gEfiShellParametersProtocol->Argv[CurrentParameter]);\r | |
924 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
925 | }\r | |
926 | }\r | |
927 | } else {\r | |
928 | PreviousEnding = Ending;\r | |
929 | //\r | |
930 | // build up the next statement for analysis\r | |
931 | //\r | |
932 | if (!BuildNextStatement(CurrentParameter, &EndParameter, &Ending)) {\r | |
ae724571 | 933 | CurrentScriptFile = ShellCommandGetCurrentScriptFile();\r |
934 | ShellPrintHiiEx(\r | |
935 | -1, \r | |
936 | -1, \r | |
937 | NULL, \r | |
938 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
939 | gShellLevel1HiiHandle, \r | |
940 | L"Then", \r | |
941 | L"If",\r | |
942 | CurrentScriptFile!=NULL \r | |
943 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
944 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 945 | ShellStatus = SHELL_INVALID_PARAMETER;\r |
946 | } else {\r | |
947 | //\r | |
948 | // Analyze the statement\r | |
949 | //\r | |
950 | Status = ProcessStatement(&CurrentValue, CurrentParameter, EndParameter, PreviousEnding, CaseInsensitive, ForceString);\r | |
951 | if (EFI_ERROR(Status)) {\r | |
952 | // ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_STARTING), gShellLevel1HiiHandle, gEfiShellParametersProtocol->Argv[CurrentParameter]);\r | |
953 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
954 | } else {\r | |
955 | //\r | |
956 | // Optomize to get out of the loop early...\r | |
957 | //\r | |
77dcec12 | 958 | if ((Ending == EndTagOr && CurrentValue) || (Ending == EndTagAnd && !CurrentValue)) {\r |
a405b86d | 959 | Status = PerformResultOperation(CurrentValue);\r |
960 | if (EFI_ERROR(Status)) {\r | |
961 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_AFTER_BAD), gShellLevel1HiiHandle, gEfiShellParametersProtocol->Argv[CurrentParameter]);\r | |
962 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
963 | }\r | |
964 | break;\r | |
965 | }\r | |
966 | }\r | |
967 | }\r | |
968 | if (ShellStatus == SHELL_SUCCESS){\r | |
969 | CurrentParameter = EndParameter;\r | |
970 | //\r | |
971 | // Skip over the or or and parameter.\r | |
972 | //\r | |
77dcec12 | 973 | if (Ending == EndTagOr || Ending == EndTagAnd) {\r |
a405b86d | 974 | CurrentParameter++;\r |
975 | }\r | |
976 | }\r | |
977 | }\r | |
978 | }\r | |
979 | return (ShellStatus);\r | |
980 | }\r | |
981 | \r | |
982 | /**\r | |
983 | Function for 'else' command.\r | |
984 | \r | |
985 | @param[in] ImageHandle Handle to the Image (NULL if Internal).\r | |
986 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).\r | |
987 | **/\r | |
988 | SHELL_STATUS\r | |
989 | EFIAPI\r | |
990 | ShellCommandRunElse (\r | |
991 | IN EFI_HANDLE ImageHandle,\r | |
992 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
993 | )\r | |
994 | {\r | |
ae724571 | 995 | SCRIPT_FILE *CurrentScriptFile;\r |
a405b86d | 996 | ASSERT_EFI_ERROR(CommandInit());\r |
997 | \r | |
998 | if (gEfiShellParametersProtocol->Argc > 1) {\r | |
999 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel1HiiHandle);\r | |
1000 | return (SHELL_INVALID_PARAMETER);\r | |
1001 | }\r | |
1002 | \r | |
1003 | if (!gEfiShellProtocol->BatchIsActive()) {\r | |
1004 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_NO_SCRIPT), gShellLevel1HiiHandle, L"Else");\r | |
1005 | return (SHELL_UNSUPPORTED);\r | |
1006 | }\r | |
1007 | \r | |
ae724571 | 1008 | CurrentScriptFile = ShellCommandGetCurrentScriptFile();\r |
a405b86d | 1009 | \r |
ae724571 | 1010 | if (!MoveToTag(GetPreviousNode, L"if", L"endif", NULL, CurrentScriptFile, FALSE, TRUE, FALSE)) {\r |
33c031ee | 1011 | ShellPrintHiiEx(\r |
1012 | -1, \r | |
1013 | -1, \r | |
1014 | NULL, \r | |
1015 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
1016 | gShellLevel1HiiHandle, \r | |
1017 | L"If", \r | |
1018 | L"Else", \r | |
ae724571 | 1019 | CurrentScriptFile!=NULL \r |
1020 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
1021 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 1022 | return (SHELL_DEVICE_ERROR);\r |
1023 | }\r | |
ae724571 | 1024 | if (!MoveToTag(GetPreviousNode, L"if", L"else", NULL, CurrentScriptFile, FALSE, TRUE, FALSE)) {\r |
33c031ee | 1025 | ShellPrintHiiEx(\r |
1026 | -1, \r | |
1027 | -1, \r | |
1028 | NULL, \r | |
1029 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
1030 | gShellLevel1HiiHandle, \r | |
1031 | L"If", \r | |
1032 | L"Else", \r | |
ae724571 | 1033 | CurrentScriptFile!=NULL \r |
1034 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
1035 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 1036 | return (SHELL_DEVICE_ERROR);\r |
1037 | }\r | |
1038 | \r | |
ae724571 | 1039 | if (!MoveToTag(GetNextNode, L"endif", L"if", NULL, CurrentScriptFile, FALSE, FALSE, FALSE)) {\r |
33c031ee | 1040 | ShellPrintHiiEx(\r |
1041 | -1, \r | |
1042 | -1, \r | |
1043 | NULL, \r | |
1044 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
1045 | gShellLevel1HiiHandle, \r | |
1046 | L"EndIf", \r | |
1047 | "Else", \r | |
ae724571 | 1048 | CurrentScriptFile!=NULL \r |
1049 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
1050 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 1051 | return (SHELL_DEVICE_ERROR);\r |
1052 | }\r | |
1053 | \r | |
1054 | return (SHELL_SUCCESS);\r | |
1055 | }\r | |
1056 | \r | |
1057 | /**\r | |
1058 | Function for 'endif' command.\r | |
1059 | \r | |
1060 | @param[in] ImageHandle Handle to the Image (NULL if Internal).\r | |
1061 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).\r | |
1062 | **/\r | |
1063 | SHELL_STATUS\r | |
1064 | EFIAPI\r | |
1065 | ShellCommandRunEndIf (\r | |
1066 | IN EFI_HANDLE ImageHandle,\r | |
1067 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
1068 | )\r | |
1069 | {\r | |
ae724571 | 1070 | SCRIPT_FILE *CurrentScriptFile;\r |
a405b86d | 1071 | ASSERT_EFI_ERROR(CommandInit());\r |
1072 | \r | |
1073 | if (gEfiShellParametersProtocol->Argc > 1) {\r | |
1074 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel1HiiHandle);\r | |
1075 | return (SHELL_INVALID_PARAMETER);\r | |
1076 | }\r | |
1077 | \r | |
1078 | if (!gEfiShellProtocol->BatchIsActive()) {\r | |
1079 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_NO_SCRIPT), gShellLevel1HiiHandle, L"Endif");\r | |
1080 | return (SHELL_UNSUPPORTED);\r | |
1081 | }\r | |
1082 | \r | |
ae724571 | 1083 | CurrentScriptFile = ShellCommandGetCurrentScriptFile();\r |
1084 | if (!MoveToTag(GetPreviousNode, L"if", L"endif", NULL, CurrentScriptFile, FALSE, TRUE, FALSE)) {\r | |
33c031ee | 1085 | ShellPrintHiiEx(\r |
1086 | -1, \r | |
1087 | -1, \r | |
1088 | NULL, \r | |
1089 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
1090 | gShellLevel1HiiHandle, \r | |
1091 | L"If", \r | |
1092 | L"EndIf", \r | |
ae724571 | 1093 | CurrentScriptFile!=NULL \r |
1094 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
1095 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 1096 | return (SHELL_DEVICE_ERROR);\r |
1097 | }\r | |
1098 | \r | |
1099 | return (SHELL_SUCCESS);\r | |
1100 | }\r |