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a405b86d | 1 | /** @file\r |
2 | Main file for If and else shell level 1 function.\r | |
3 | \r | |
c011b6c9 | 4 | (C) Copyright 2013-2015 Hewlett-Packard Development Company, L.P.<BR>\r |
581c0389 | 5 | Copyright (c) 2009 - 2016, 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 | |
18 | \r | |
a405b86d | 19 | typedef enum {\r |
77dcec12 | 20 | EndTagOr,\r |
21 | EndTagAnd,\r | |
22 | EndTagThen,\r | |
23 | EndTagMax\r | |
a405b86d | 24 | } END_TAG_TYPE;\r |
25 | \r | |
26 | typedef enum {\r | |
77dcec12 | 27 | OperatorGreaterThan,\r |
28 | OperatorLessThan,\r | |
29 | OperatorEqual,\r | |
30 | OperatorNotEqual,\r | |
31 | OperatorGreatorOrEqual,\r | |
32 | OperatorLessOrEqual,\r | |
33 | OperatorUnisgnedGreaterThan,\r | |
34 | OperatorUnsignedLessThan,\r | |
35 | OperatorUnsignedGreaterOrEqual,\r | |
36 | OperatorUnsignedLessOrEqual,\r | |
37 | OperatorMax\r | |
a405b86d | 38 | } BIN_OPERATOR_TYPE;\r |
39 | \r | |
77dcec12 | 40 | /**\r |
41 | Extract the next fragment, if there is one.\r | |
42 | \r | |
4ff7e37b ED |
43 | @param[in, out] Statement The current remaining statement.\r |
44 | @param[in] Fragment The current fragment.\r | |
581c0389 RN |
45 | @param[out] Match TRUE when there is another Fragment in Statement,\r |
46 | FALSE otherwise.\r | |
77dcec12 | 47 | \r |
581c0389 RN |
48 | @retval EFI_SUCCESS The match operation is performed successfully.\r |
49 | @retval EFI_OUT_OF_RESOURCES Out of resources.\r | |
77dcec12 | 50 | **/\r |
581c0389 | 51 | EFI_STATUS\r |
a405b86d | 52 | IsNextFragment (\r |
77dcec12 | 53 | IN OUT CONST CHAR16 **Statement,\r |
581c0389 RN |
54 | IN CONST CHAR16 *Fragment,\r |
55 | OUT BOOLEAN *Match\r | |
a405b86d | 56 | )\r |
57 | {\r | |
58 | CHAR16 *Tester;\r | |
59 | \r | |
60 | Tester = NULL;\r | |
61 | \r | |
62 | Tester = StrnCatGrow(&Tester, NULL, *Statement, StrLen(Fragment));\r | |
581c0389 RN |
63 | if (Tester == NULL) {\r |
64 | return EFI_OUT_OF_RESOURCES;\r | |
65 | }\r | |
a405b86d | 66 | Tester[StrLen(Fragment)] = CHAR_NULL;\r |
67 | if (gUnicodeCollation->StriColl(\r | |
68 | gUnicodeCollation,\r | |
69 | (CHAR16*)Fragment,\r | |
70 | Tester) == 0) {\r | |
71 | //\r | |
72 | // increment the string pointer to the end of what we found and then chop off spaces...\r | |
73 | //\r | |
74 | *Statement+=StrLen(Fragment);\r | |
75 | while (*Statement[0] == L' ') {\r | |
1ca79586 | 76 | (*Statement)++;\r |
a405b86d | 77 | }\r |
581c0389 RN |
78 | *Match = TRUE;\r |
79 | } else {\r | |
80 | *Match = FALSE;\r | |
a405b86d | 81 | }\r |
82 | FreePool(Tester);\r | |
581c0389 | 83 | return EFI_SUCCESS;\r |
a405b86d | 84 | }\r |
85 | \r | |
77dcec12 | 86 | /**\r |
87 | Determine if String represents a valid profile.\r | |
88 | \r | |
89 | @param[in] String The pointer to the string to test.\r | |
90 | \r | |
91 | @retval TRUE String is a valid profile.\r | |
92 | @retval FALSE String is not a valid profile.\r | |
93 | **/\r | |
a405b86d | 94 | BOOLEAN\r |
a405b86d | 95 | IsValidProfile (\r |
96 | IN CONST CHAR16 *String\r | |
97 | )\r | |
98 | {\r | |
99 | CONST CHAR16 *ProfilesString;\r | |
100 | CONST CHAR16 *TempLocation;\r | |
101 | \r | |
102 | ProfilesString = ShellGetEnvironmentVariable(L"profiles");\r | |
ab94587a | 103 | ASSERT(ProfilesString != NULL);\r |
a405b86d | 104 | TempLocation = StrStr(ProfilesString, String);\r |
105 | if ((TempLocation != NULL) && (*(TempLocation-1) == L';') && (*(TempLocation+StrLen(String)) == L';')) {\r | |
106 | return (TRUE);\r | |
107 | }\r | |
108 | return (FALSE);\r | |
109 | }\r | |
110 | \r | |
77dcec12 | 111 | /**\r |
112 | Do a comparison between 2 things.\r | |
113 | \r | |
114 | @param[in] Compare1 The first item to compare.\r | |
115 | @param[in] Compare2 The second item to compare.\r | |
116 | @param[in] BinOp The type of comparison to perform.\r | |
117 | @param[in] CaseInsensitive TRUE to do non-case comparison, FALSE otherwise.\r | |
118 | @param[in] ForceStringCompare TRUE to force string comparison, FALSE otherwise.\r | |
119 | \r | |
120 | @return The result of the comparison.\r | |
121 | **/\r | |
a405b86d | 122 | BOOLEAN\r |
a405b86d | 123 | TestOperation (\r |
124 | IN CONST CHAR16 *Compare1,\r | |
125 | IN CONST CHAR16 *Compare2,\r | |
126 | IN CONST BIN_OPERATOR_TYPE BinOp,\r | |
127 | IN CONST BOOLEAN CaseInsensitive,\r | |
128 | IN CONST BOOLEAN ForceStringCompare\r | |
129 | )\r | |
130 | {\r | |
131 | INTN Cmp1;\r | |
132 | INTN Cmp2;\r | |
133 | \r | |
134 | //\r | |
135 | // "Compare1 BinOp Compare2"\r | |
136 | //\r | |
137 | switch (BinOp) {\r | |
77dcec12 | 138 | case OperatorUnisgnedGreaterThan:\r |
139 | case OperatorGreaterThan:\r | |
a405b86d | 140 | if (ForceStringCompare || !ShellIsHexOrDecimalNumber(Compare1, FALSE, FALSE) || !ShellIsHexOrDecimalNumber(Compare2, FALSE, FALSE)) {\r |
141 | //\r | |
142 | // string compare\r | |
143 | //\r | |
144 | if ((CaseInsensitive && StringNoCaseCompare(&Compare1, &Compare2) > 0) || (StringCompare(&Compare1, &Compare2) > 0)) {\r | |
145 | return (TRUE);\r | |
146 | }\r | |
147 | } else {\r | |
148 | //\r | |
149 | // numeric compare\r | |
150 | //\r | |
151 | if (Compare1[0] == L'-') {\r | |
77dcec12 | 152 | Cmp1 = 0 - (INTN)ShellStrToUintn(Compare1+1);\r |
a405b86d | 153 | } else {\r |
77dcec12 | 154 | Cmp1 = (INTN)ShellStrToUintn(Compare1);\r |
a405b86d | 155 | }\r |
156 | if (Compare2[0] == L'-') {\r | |
77dcec12 | 157 | Cmp2 = 0 - (INTN)ShellStrToUintn(Compare2+1);\r |
a405b86d | 158 | } else {\r |
77dcec12 | 159 | Cmp2 = (INTN)ShellStrToUintn(Compare2);\r |
a405b86d | 160 | }\r |
77dcec12 | 161 | if (BinOp == OperatorGreaterThan) {\r |
a405b86d | 162 | if (Cmp1 > Cmp2) {\r |
163 | return (TRUE);\r | |
164 | }\r | |
165 | } else {\r | |
166 | if ((UINTN)Cmp1 > (UINTN)Cmp2) {\r | |
167 | return (TRUE);\r | |
168 | }\r | |
169 | }\r | |
170 | }\r | |
171 | return (FALSE);\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 | |
77dcec12 | 207 | case OperatorEqual:\r |
a405b86d | 208 | if (ForceStringCompare || !ShellIsHexOrDecimalNumber(Compare1, FALSE, FALSE) || !ShellIsHexOrDecimalNumber(Compare2, FALSE, FALSE)) {\r |
209 | //\r | |
210 | // string compare\r | |
211 | //\r | |
212 | if ((CaseInsensitive && StringNoCaseCompare(&Compare1, &Compare2) == 0) || (StringCompare(&Compare1, &Compare2) == 0)) {\r | |
213 | return (TRUE);\r | |
214 | }\r | |
215 | } else {\r | |
216 | //\r | |
217 | // numeric compare\r | |
218 | //\r | |
219 | if (Compare1[0] == L'-') {\r | |
220 | Cmp1 = 0 - (INTN)ShellStrToUintn(Compare1+1);\r | |
221 | } else {\r | |
222 | Cmp1 = (INTN)ShellStrToUintn(Compare1);\r | |
223 | }\r | |
224 | if (Compare2[0] == L'-') {\r | |
225 | Cmp2 = 0 - (INTN)ShellStrToUintn(Compare2+1);\r | |
226 | } else {\r | |
227 | Cmp2 = (INTN)ShellStrToUintn(Compare2);\r | |
228 | }\r | |
229 | if (Cmp1 == Cmp2) {\r | |
230 | return (TRUE);\r | |
231 | }\r | |
232 | }\r | |
233 | return (FALSE);\r | |
77dcec12 | 234 | case OperatorNotEqual:\r |
a405b86d | 235 | if (ForceStringCompare || !ShellIsHexOrDecimalNumber(Compare1, FALSE, FALSE) || !ShellIsHexOrDecimalNumber(Compare2, FALSE, FALSE)) {\r |
236 | //\r | |
237 | // string compare\r | |
238 | //\r | |
239 | if ((CaseInsensitive && StringNoCaseCompare(&Compare1, &Compare2) != 0) || (StringCompare(&Compare1, &Compare2) != 0)) {\r | |
240 | return (TRUE);\r | |
241 | }\r | |
242 | } else {\r | |
243 | //\r | |
244 | // numeric compare\r | |
245 | //\r | |
246 | if (Compare1[0] == L'-') {\r | |
77dcec12 | 247 | Cmp1 = 0 - (INTN)ShellStrToUintn(Compare1+1);\r |
a405b86d | 248 | } else {\r |
77dcec12 | 249 | Cmp1 = (INTN)ShellStrToUintn(Compare1);\r |
a405b86d | 250 | }\r |
251 | if (Compare2[0] == L'-') {\r | |
77dcec12 | 252 | Cmp2 = 0 - (INTN)ShellStrToUintn(Compare2+1);\r |
a405b86d | 253 | } else {\r |
77dcec12 | 254 | Cmp2 = (INTN)ShellStrToUintn(Compare2);\r |
a405b86d | 255 | }\r |
256 | if (Cmp1 != Cmp2) {\r | |
257 | return (TRUE);\r | |
258 | }\r | |
259 | }\r | |
260 | return (FALSE);\r | |
77dcec12 | 261 | case OperatorUnsignedGreaterOrEqual:\r |
262 | case OperatorGreatorOrEqual:\r | |
a405b86d | 263 | if (ForceStringCompare || !ShellIsHexOrDecimalNumber(Compare1, FALSE, FALSE) || !ShellIsHexOrDecimalNumber(Compare2, FALSE, FALSE)) {\r |
264 | //\r | |
265 | // string compare\r | |
266 | //\r | |
267 | if ((CaseInsensitive && StringNoCaseCompare(&Compare1, &Compare2) >= 0) || (StringCompare(&Compare1, &Compare2) >= 0)) {\r | |
268 | return (TRUE);\r | |
269 | }\r | |
270 | } else {\r | |
271 | //\r | |
272 | // numeric compare\r | |
273 | //\r | |
274 | if (Compare1[0] == L'-') {\r | |
77dcec12 | 275 | Cmp1 = 0 - (INTN)ShellStrToUintn(Compare1+1);\r |
a405b86d | 276 | } else {\r |
77dcec12 | 277 | Cmp1 = (INTN)ShellStrToUintn(Compare1);\r |
a405b86d | 278 | }\r |
279 | if (Compare2[0] == L'-') {\r | |
77dcec12 | 280 | Cmp2 = 0 - (INTN)ShellStrToUintn(Compare2+1);\r |
a405b86d | 281 | } else {\r |
77dcec12 | 282 | Cmp2 = (INTN)ShellStrToUintn(Compare2);\r |
a405b86d | 283 | }\r |
77dcec12 | 284 | if (BinOp == OperatorGreatorOrEqual) {\r |
a405b86d | 285 | if (Cmp1 >= Cmp2) {\r |
286 | return (TRUE);\r | |
287 | }\r | |
288 | } else {\r | |
289 | if ((UINTN)Cmp1 >= (UINTN)Cmp2) {\r | |
290 | return (TRUE);\r | |
291 | }\r | |
292 | }\r | |
293 | }\r | |
294 | return (FALSE);\r | |
77dcec12 | 295 | case OperatorLessOrEqual:\r |
296 | case OperatorUnsignedLessOrEqual:\r | |
a405b86d | 297 | if (ForceStringCompare || !ShellIsHexOrDecimalNumber(Compare1, FALSE, FALSE) || !ShellIsHexOrDecimalNumber(Compare2, FALSE, FALSE)) {\r |
298 | //\r | |
299 | // string compare\r | |
300 | //\r | |
301 | if ((CaseInsensitive && StringNoCaseCompare(&Compare1, &Compare2) <= 0) || (StringCompare(&Compare1, &Compare2) <= 0)) {\r | |
302 | return (TRUE);\r | |
303 | }\r | |
304 | } else {\r | |
305 | //\r | |
306 | // numeric compare\r | |
307 | //\r | |
308 | if (Compare1[0] == L'-') {\r | |
77dcec12 | 309 | Cmp1 = 0 - (INTN)ShellStrToUintn(Compare1+1);\r |
a405b86d | 310 | } else {\r |
77dcec12 | 311 | Cmp1 = (INTN)ShellStrToUintn(Compare1);\r |
a405b86d | 312 | }\r |
313 | if (Compare2[0] == L'-') {\r | |
77dcec12 | 314 | Cmp2 = 0 - (INTN)ShellStrToUintn(Compare2+1);\r |
a405b86d | 315 | } else {\r |
77dcec12 | 316 | Cmp2 = (INTN)ShellStrToUintn(Compare2);\r |
a405b86d | 317 | }\r |
77dcec12 | 318 | if (BinOp == OperatorLessOrEqual) {\r |
a405b86d | 319 | if (Cmp1 <= Cmp2) {\r |
320 | return (TRUE);\r | |
321 | }\r | |
322 | } else {\r | |
323 | if ((UINTN)Cmp1 <= (UINTN)Cmp2) {\r | |
324 | return (TRUE);\r | |
325 | }\r | |
326 | }\r | |
327 | }\r | |
328 | return (FALSE);\r | |
e9723321 | 329 | default:\r |
330 | ASSERT(FALSE);\r | |
331 | return (FALSE);\r | |
a405b86d | 332 | }\r |
a405b86d | 333 | }\r |
334 | \r | |
77dcec12 | 335 | /**\r |
336 | Process an if statement and determine if its is valid or not.\r | |
337 | \r | |
4ff7e37b ED |
338 | @param[in, out] PassingState Opon entry, the current state. Upon exit, \r |
339 | the new state.\r | |
340 | @param[in] StartParameterNumber The number of the first parameter of\r | |
341 | this statement.\r | |
342 | @param[in] EndParameterNumber The number of the final parameter of\r | |
343 | this statement.\r | |
344 | @param[in] OperatorToUse The type of termination operator.\r | |
345 | @param[in] CaseInsensitive TRUE for case insensitive, FALSE otherwise.\r | |
346 | @param[in] ForceStringCompare TRUE for all string based, FALSE otherwise.\r | |
77dcec12 | 347 | \r |
348 | @retval EFI_INVALID_PARAMETER A parameter was invalid.\r | |
349 | @retval EFI_SUCCESS The operation was successful. \r | |
350 | **/\r | |
a405b86d | 351 | EFI_STATUS\r |
a405b86d | 352 | ProcessStatement (\r |
353 | IN OUT BOOLEAN *PassingState,\r | |
354 | IN UINTN StartParameterNumber,\r | |
355 | IN UINTN EndParameterNumber,\r | |
356 | IN CONST END_TAG_TYPE OperatorToUse,\r | |
357 | IN CONST BOOLEAN CaseInsensitive,\r | |
358 | IN CONST BOOLEAN ForceStringCompare\r | |
359 | )\r | |
360 | {\r | |
361 | EFI_STATUS Status;\r | |
362 | BOOLEAN OperationResult;\r | |
363 | BOOLEAN NotPresent;\r | |
364 | CHAR16 *StatementWalker;\r | |
365 | BIN_OPERATOR_TYPE BinOp;\r | |
366 | CHAR16 *Compare1;\r | |
367 | CHAR16 *Compare2;\r | |
368 | CHAR16 HexString[20];\r | |
369 | CHAR16 *TempSpot;\r | |
581c0389 | 370 | BOOLEAN Match;\r |
a405b86d | 371 | \r |
77dcec12 | 372 | ASSERT((END_TAG_TYPE)OperatorToUse != EndTagThen);\r |
a405b86d | 373 | \r |
374 | Status = EFI_SUCCESS;\r | |
77dcec12 | 375 | BinOp = OperatorMax;\r |
a405b86d | 376 | OperationResult = FALSE;\r |
1b031953 | 377 | Match = FALSE;\r |
a405b86d | 378 | StatementWalker = gEfiShellParametersProtocol->Argv[StartParameterNumber];\r |
581c0389 | 379 | if (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"not", &Match)) && Match) {\r |
a405b86d | 380 | NotPresent = TRUE;\r |
381 | StatementWalker = gEfiShellParametersProtocol->Argv[++StartParameterNumber];\r | |
382 | } else {\r | |
383 | NotPresent = FALSE;\r | |
384 | }\r | |
385 | \r | |
386 | //\r | |
387 | // now check for 'boolfunc' operators\r | |
388 | //\r | |
581c0389 RN |
389 | if (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"isint", &Match)) && Match) {\r |
390 | if (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(", &Match)) && Match\r | |
391 | && StatementWalker[StrLen(StatementWalker)-1] == L')') {\r | |
a405b86d | 392 | StatementWalker[StrLen(StatementWalker)-1] = CHAR_NULL;\r |
393 | OperationResult = ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE);\r | |
394 | } else {\r | |
395 | Status = EFI_INVALID_PARAMETER;\r | |
396 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"isint");\r | |
397 | }\r | |
581c0389 RN |
398 | } else if ((!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"exists", &Match)) && Match) ||\r |
399 | (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"exist", &Match)) && Match)) {\r | |
400 | if (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(", &Match)) && Match &&\r | |
401 | StatementWalker[StrLen(StatementWalker)-1] == L')') {\r | |
a405b86d | 402 | StatementWalker[StrLen(StatementWalker)-1] = CHAR_NULL;\r |
403 | //\r | |
404 | // is what remains a file in CWD???\r | |
405 | //\r | |
406 | OperationResult = (BOOLEAN)(ShellFileExists(StatementWalker)==EFI_SUCCESS);\r | |
407 | } else if (StatementWalker[0] == CHAR_NULL && StartParameterNumber+1 == EndParameterNumber) {\r | |
408 | OperationResult = (BOOLEAN)(ShellFileExists(gEfiShellParametersProtocol->Argv[++StartParameterNumber])==EFI_SUCCESS);\r | |
409 | } else {\r | |
410 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"exist(s)");\r | |
411 | Status = EFI_INVALID_PARAMETER;\r | |
412 | }\r | |
581c0389 RN |
413 | } else if (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"available", &Match)) && Match) {\r |
414 | if (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(", &Match)) && Match &&\r | |
415 | StatementWalker[StrLen(StatementWalker)-1] == L')') {\r | |
a405b86d | 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 | |
581c0389 RN |
425 | } else if (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"profile", &Match)) && Match) {\r |
426 | if (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(", &Match)) && Match &&\r | |
427 | StatementWalker[StrLen(StatementWalker)-1] == L')') {\r | |
a405b86d | 428 | //\r |
429 | // Chop off that ')'\r | |
430 | //\r | |
431 | StatementWalker[StrLen(StatementWalker)-1] = CHAR_NULL;\r | |
432 | OperationResult = IsValidProfile(StatementWalker);\r | |
433 | } else {\r | |
434 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"profile");\r | |
435 | Status = EFI_INVALID_PARAMETER;\r | |
436 | }\r | |
437 | } else if (StartParameterNumber+1 >= EndParameterNumber) {\r | |
438 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, gEfiShellParametersProtocol->Argv[StartParameterNumber]);\r | |
439 | Status = EFI_INVALID_PARAMETER;\r | |
440 | } else {\r | |
441 | //\r | |
442 | // must be 'item binop item' style\r | |
443 | //\r | |
444 | Compare1 = NULL;\r | |
445 | Compare2 = NULL;\r | |
77dcec12 | 446 | BinOp = OperatorMax;\r |
a405b86d | 447 | \r |
448 | //\r | |
449 | // get the first item\r | |
450 | //\r | |
451 | StatementWalker = gEfiShellParametersProtocol->Argv[StartParameterNumber];\r | |
581c0389 | 452 | if (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"efierror", &Match)) && Match) {\r |
a405b86d | 453 | TempSpot = StrStr(StatementWalker, L")");\r |
581c0389 | 454 | if (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(", &Match)) && Match && TempSpot != NULL) {\r |
a405b86d | 455 | *TempSpot = CHAR_NULL;\r |
456 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
457 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT);\r | |
458 | ASSERT(Compare1 == NULL);\r | |
459 | Compare1 = StrnCatGrow(&Compare1, NULL, HexString, 0);\r | |
460 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
461 | } else {\r | |
462 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"efierror");\r | |
463 | Status = EFI_INVALID_PARAMETER;\r | |
464 | }\r | |
465 | } else {\r | |
466 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"efierror");\r | |
467 | Status = EFI_INVALID_PARAMETER;\r | |
468 | }\r | |
581c0389 | 469 | } else if (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"pierror", &Match)) && Match) {\r |
a405b86d | 470 | TempSpot = StrStr(StatementWalker, L")");\r |
581c0389 | 471 | if (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(", &Match)) && Match && TempSpot != NULL) {\r |
a405b86d | 472 | *TempSpot = CHAR_NULL;\r |
473 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
474 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT|(MAX_BIT>>2));\r | |
475 | ASSERT(Compare1 == NULL);\r | |
476 | Compare1 = StrnCatGrow(&Compare1, NULL, HexString, 0);\r | |
477 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
478 | } else {\r | |
479 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"pierror");\r | |
480 | Status = EFI_INVALID_PARAMETER;\r | |
481 | }\r | |
482 | } else {\r | |
483 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"pierror");\r | |
484 | Status = EFI_INVALID_PARAMETER;\r | |
485 | }\r | |
581c0389 | 486 | } else if (!EFI_ERROR (IsNextFragment ((CONST CHAR16**)(&StatementWalker), L"oemerror", &Match)) && Match) {\r |
a405b86d | 487 | TempSpot = StrStr(StatementWalker, L")");\r |
581c0389 | 488 | if (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(", &Match)) && Match && TempSpot != NULL) {\r |
a405b86d | 489 | TempSpot = CHAR_NULL;\r |
490 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
491 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT|(MAX_BIT>>1));\r | |
492 | ASSERT(Compare1 == NULL);\r | |
493 | Compare1 = StrnCatGrow(&Compare1, NULL, HexString, 0);\r | |
494 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
495 | } else {\r | |
496 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"oemerror");\r | |
497 | Status = EFI_INVALID_PARAMETER;\r | |
498 | }\r | |
499 | } else {\r | |
500 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"oemerror");\r | |
501 | Status = EFI_INVALID_PARAMETER;\r | |
502 | }\r | |
503 | } else {\r | |
504 | ASSERT(Compare1 == NULL);\r | |
505 | if (EndParameterNumber - StartParameterNumber > 2) {\r | |
506 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_STARTING), gShellLevel1HiiHandle, gEfiShellParametersProtocol->Argv[StartParameterNumber+2]);\r | |
507 | Status = EFI_INVALID_PARAMETER;\r | |
508 | } else {\r | |
509 | //\r | |
510 | // must be a raw string\r | |
511 | //\r | |
512 | Compare1 = StrnCatGrow(&Compare1, NULL, StatementWalker, 0);\r | |
513 | }\r | |
514 | }\r | |
515 | \r | |
516 | //\r | |
517 | // get the operator\r | |
518 | //\r | |
519 | ASSERT(StartParameterNumber+1<EndParameterNumber);\r | |
520 | StatementWalker = gEfiShellParametersProtocol->Argv[StartParameterNumber+1];\r | |
581c0389 | 521 | if (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"gt", &Match)) && Match) {\r |
77dcec12 | 522 | BinOp = OperatorGreaterThan;\r |
581c0389 | 523 | } else if (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"lt", &Match)) && Match) {\r |
77dcec12 | 524 | BinOp = OperatorLessThan;\r |
581c0389 | 525 | } else if (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"eq", &Match)) && Match) {\r |
77dcec12 | 526 | BinOp = OperatorEqual;\r |
581c0389 | 527 | } else if (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"ne", &Match)) && Match) {\r |
77dcec12 | 528 | BinOp = OperatorNotEqual;\r |
581c0389 | 529 | } else if (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"ge", &Match)) && Match) {\r |
77dcec12 | 530 | BinOp = OperatorGreatorOrEqual;\r |
581c0389 | 531 | } else if (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"le", &Match)) && Match) {\r |
77dcec12 | 532 | BinOp = OperatorLessOrEqual;\r |
581c0389 | 533 | } else if (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"==", &Match)) && Match) {\r |
77dcec12 | 534 | BinOp = OperatorEqual;\r |
581c0389 | 535 | } else if (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"ugt", &Match)) && Match) {\r |
77dcec12 | 536 | BinOp = OperatorUnisgnedGreaterThan;\r |
581c0389 | 537 | } else if (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"ult", &Match)) && Match) {\r |
77dcec12 | 538 | BinOp = OperatorUnsignedLessThan;\r |
581c0389 | 539 | } else if (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"uge", &Match)) && Match) {\r |
77dcec12 | 540 | BinOp = OperatorUnsignedGreaterOrEqual;\r |
581c0389 | 541 | } else if (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"ule", &Match)) && Match) {\r |
77dcec12 | 542 | BinOp = OperatorUnsignedLessOrEqual;\r |
a405b86d | 543 | } else {\r |
544 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_INVALID_BINOP), gShellLevel1HiiHandle, StatementWalker);\r | |
545 | Status = EFI_INVALID_PARAMETER;\r | |
546 | }\r | |
547 | \r | |
548 | //\r | |
549 | // get the second item\r | |
550 | //\r | |
551 | ASSERT(StartParameterNumber+2<=EndParameterNumber);\r | |
552 | StatementWalker = gEfiShellParametersProtocol->Argv[StartParameterNumber+2];\r | |
581c0389 | 553 | if (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"efierror", &Match)) && Match) {\r |
a405b86d | 554 | TempSpot = StrStr(StatementWalker, L")");\r |
581c0389 | 555 | if (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(", &Match)) && Match && TempSpot != NULL) {\r |
a405b86d | 556 | TempSpot = CHAR_NULL;\r |
557 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
558 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT);\r | |
559 | ASSERT(Compare2 == NULL);\r | |
560 | Compare2 = StrnCatGrow(&Compare2, NULL, HexString, 0);\r | |
561 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
562 | } else {\r | |
563 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"efierror");\r | |
564 | Status = EFI_INVALID_PARAMETER;\r | |
565 | }\r | |
566 | } else {\r | |
567 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"efierror");\r | |
568 | Status = EFI_INVALID_PARAMETER;\r | |
569 | }\r | |
570 | //\r | |
571 | // can this be collapsed into the above?\r | |
572 | //\r | |
581c0389 | 573 | } else if (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"pierror", &Match)) && Match) {\r |
a405b86d | 574 | TempSpot = StrStr(StatementWalker, L")");\r |
581c0389 | 575 | if (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(", &Match)) && Match && TempSpot != NULL) {\r |
a405b86d | 576 | TempSpot = CHAR_NULL;\r |
577 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
578 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT|(MAX_BIT>>2));\r | |
579 | ASSERT(Compare2 == NULL);\r | |
580 | Compare2 = StrnCatGrow(&Compare2, NULL, HexString, 0);\r | |
581 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
582 | } else {\r | |
583 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"pierror");\r | |
584 | Status = EFI_INVALID_PARAMETER;\r | |
585 | }\r | |
586 | } else {\r | |
587 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"pierror");\r | |
588 | Status = EFI_INVALID_PARAMETER;\r | |
589 | }\r | |
581c0389 | 590 | } else if (!EFI_ERROR (IsNextFragment ((CONST CHAR16**)(&StatementWalker), L"oemerror", &Match)) && Match) {\r |
a405b86d | 591 | TempSpot = StrStr(StatementWalker, L")");\r |
581c0389 | 592 | if (!EFI_ERROR (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(", &Match)) && Match && TempSpot != NULL) {\r |
a405b86d | 593 | TempSpot = CHAR_NULL;\r |
594 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
595 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT|(MAX_BIT>>1));\r | |
596 | ASSERT(Compare2 == NULL);\r | |
597 | Compare2 = StrnCatGrow(&Compare2, NULL, HexString, 0);\r | |
598 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
599 | } else {\r | |
600 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"oemerror");\r | |
601 | Status = EFI_INVALID_PARAMETER;\r | |
602 | }\r | |
603 | } else {\r | |
604 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"oemerror");\r | |
605 | Status = EFI_INVALID_PARAMETER;\r | |
606 | }\r | |
607 | } else {\r | |
608 | //\r | |
609 | // must be a raw string\r | |
610 | //\r | |
611 | ASSERT(Compare2 == NULL);\r | |
612 | Compare2 = StrnCatGrow(&Compare2, NULL, StatementWalker, 0);\r | |
613 | }\r | |
614 | \r | |
77dcec12 | 615 | if (Compare1 != NULL && Compare2 != NULL && BinOp != OperatorMax) {\r |
a405b86d | 616 | OperationResult = TestOperation(Compare1, Compare2, BinOp, CaseInsensitive, ForceStringCompare);\r |
617 | }\r | |
618 | \r | |
619 | SHELL_FREE_NON_NULL(Compare1);\r | |
620 | SHELL_FREE_NON_NULL(Compare2);\r | |
621 | }\r | |
622 | \r | |
623 | //\r | |
624 | // done processing do result...\r | |
625 | //\r | |
626 | \r | |
627 | if (!EFI_ERROR(Status)) {\r | |
628 | if (NotPresent) {\r | |
629 | OperationResult = (BOOLEAN)(!OperationResult);\r | |
630 | }\r | |
631 | switch(OperatorToUse) {\r | |
77dcec12 | 632 | case EndTagOr:\r |
a405b86d | 633 | *PassingState = (BOOLEAN)(*PassingState || OperationResult);\r |
634 | break;\r | |
77dcec12 | 635 | case EndTagAnd:\r |
a405b86d | 636 | *PassingState = (BOOLEAN)(*PassingState && OperationResult);\r |
637 | break;\r | |
77dcec12 | 638 | case EndTagMax:\r |
a405b86d | 639 | *PassingState = (BOOLEAN)(OperationResult);\r |
640 | break;\r | |
641 | default:\r | |
642 | ASSERT(FALSE);\r | |
643 | }\r | |
644 | }\r | |
645 | return (Status);\r | |
646 | }\r | |
647 | \r | |
77dcec12 | 648 | /**\r |
649 | Break up the next part of the if statement (until the next 'and', 'or', or 'then').\r | |
650 | \r | |
651 | @param[in] ParameterNumber The current parameter number.\r | |
652 | @param[out] EndParameter Upon successful return, will point to the \r | |
653 | parameter to start the next iteration with.\r | |
654 | @param[out] EndTag Upon successful return, will point to the \r | |
655 | type that was found at the end of this statement.\r | |
656 | \r | |
657 | @retval TRUE A valid statement was found.\r | |
658 | @retval FALSE A valid statement was not found.\r | |
659 | **/\r | |
a405b86d | 660 | BOOLEAN\r |
a405b86d | 661 | BuildNextStatement (\r |
662 | IN UINTN ParameterNumber,\r | |
663 | OUT UINTN *EndParameter,\r | |
664 | OUT END_TAG_TYPE *EndTag\r | |
665 | )\r | |
666 | {\r | |
77dcec12 | 667 | *EndTag = EndTagMax;\r |
a405b86d | 668 | \r |
e755a4ca | 669 | for(\r |
a405b86d | 670 | ; ParameterNumber < gEfiShellParametersProtocol->Argc\r |
671 | ; ParameterNumber++\r | |
672 | ) {\r | |
673 | if (gUnicodeCollation->StriColl(\r | |
674 | gUnicodeCollation,\r | |
675 | gEfiShellParametersProtocol->Argv[ParameterNumber],\r | |
676 | L"or") == 0) {\r | |
677 | *EndParameter = ParameterNumber - 1;\r | |
77dcec12 | 678 | *EndTag = EndTagOr;\r |
a405b86d | 679 | break;\r |
680 | } else if (gUnicodeCollation->StriColl(\r | |
681 | gUnicodeCollation,\r | |
682 | gEfiShellParametersProtocol->Argv[ParameterNumber],\r | |
683 | L"and") == 0) {\r | |
684 | *EndParameter = ParameterNumber - 1;\r | |
77dcec12 | 685 | *EndTag = EndTagAnd;\r |
a405b86d | 686 | break;\r |
687 | } else if (gUnicodeCollation->StriColl(\r | |
688 | gUnicodeCollation,\r | |
689 | gEfiShellParametersProtocol->Argv[ParameterNumber],\r | |
690 | L"then") == 0) {\r | |
691 | *EndParameter = ParameterNumber - 1;\r | |
77dcec12 | 692 | *EndTag = EndTagThen;\r |
a405b86d | 693 | break;\r |
694 | }\r | |
695 | }\r | |
77dcec12 | 696 | if (*EndTag == EndTagMax) {\r |
a405b86d | 697 | return (FALSE);\r |
698 | }\r | |
699 | return (TRUE);\r | |
700 | }\r | |
701 | \r | |
77dcec12 | 702 | /**\r |
703 | Move the script file pointer to a different place in the script file.\r | |
704 | This one is special since it handles the if/else/endif syntax.\r | |
705 | \r | |
706 | @param[in] ScriptFile The script file from GetCurrnetScriptFile().\r | |
707 | \r | |
708 | @retval TRUE The move target was found and the move was successful.\r | |
709 | @retval FALSE Something went wrong.\r | |
710 | **/\r | |
a405b86d | 711 | BOOLEAN\r |
a405b86d | 712 | MoveToTagSpecial (\r |
713 | IN SCRIPT_FILE *ScriptFile\r | |
714 | )\r | |
715 | {\r | |
716 | SCRIPT_COMMAND_LIST *CommandNode;\r | |
717 | BOOLEAN Found;\r | |
718 | UINTN TargetCount;\r | |
719 | CHAR16 *CommandName;\r | |
720 | CHAR16 *CommandWalker;\r | |
721 | CHAR16 *TempLocation;\r | |
722 | \r | |
723 | TargetCount = 1;\r | |
724 | Found = FALSE;\r | |
725 | \r | |
726 | if (ScriptFile == NULL) {\r | |
727 | return FALSE;\r | |
728 | }\r | |
729 | \r | |
730 | for (CommandNode = (SCRIPT_COMMAND_LIST *)GetNextNode(&ScriptFile->CommandList, &ScriptFile->CurrentCommand->Link), Found = FALSE\r | |
731 | ; !IsNull(&ScriptFile->CommandList, &CommandNode->Link) && !Found\r | |
732 | ; CommandNode = (SCRIPT_COMMAND_LIST *)GetNextNode(&ScriptFile->CommandList, &CommandNode->Link)\r | |
733 | ){\r | |
734 | \r | |
735 | //\r | |
736 | // get just the first part of the command line...\r | |
737 | //\r | |
738 | CommandName = NULL;\r | |
739 | CommandName = StrnCatGrow(&CommandName, NULL, CommandNode->Cl, 0);\r | |
532691c8 | 740 | if (CommandName == NULL) {\r |
741 | continue;\r | |
742 | }\r | |
a405b86d | 743 | CommandWalker = CommandName;\r |
13acebbd CP |
744 | \r |
745 | //\r | |
746 | // Skip leading spaces and tabs.\r | |
747 | //\r | |
748 | while ((CommandWalker[0] == L' ') || (CommandWalker[0] == L'\t')) {\r | |
a405b86d | 749 | CommandWalker++;\r |
750 | }\r | |
751 | TempLocation = StrStr(CommandWalker, L" ");\r | |
752 | \r | |
753 | if (TempLocation != NULL) {\r | |
754 | *TempLocation = CHAR_NULL;\r | |
755 | }\r | |
756 | \r | |
757 | //\r | |
758 | // did we find a nested item ?\r | |
759 | //\r | |
760 | if (gUnicodeCollation->StriColl(\r | |
761 | gUnicodeCollation,\r | |
762 | (CHAR16*)CommandWalker,\r | |
763 | L"If") == 0) {\r | |
764 | TargetCount++;\r | |
765 | } else if (TargetCount == 1 && gUnicodeCollation->StriColl(\r | |
766 | gUnicodeCollation,\r | |
767 | (CHAR16*)CommandWalker,\r | |
768 | (CHAR16*)L"else") == 0) {\r | |
769 | //\r | |
770 | // else can only decrement the last part... not an nested if\r | |
771 | // hence the TargetCount compare added\r | |
772 | //\r | |
773 | TargetCount--;\r | |
774 | } else if (gUnicodeCollation->StriColl(\r | |
775 | gUnicodeCollation,\r | |
776 | (CHAR16*)CommandWalker,\r | |
777 | (CHAR16*)L"endif") == 0) {\r | |
778 | TargetCount--;\r | |
779 | }\r | |
780 | if (TargetCount == 0) {\r | |
781 | ScriptFile->CurrentCommand = (SCRIPT_COMMAND_LIST *)GetNextNode(&ScriptFile->CommandList, &CommandNode->Link);\r | |
782 | Found = TRUE;\r | |
783 | }\r | |
784 | \r | |
785 | //\r | |
786 | // Free the memory for this loop...\r | |
787 | //\r | |
788 | SHELL_FREE_NON_NULL(CommandName);\r | |
789 | }\r | |
790 | return (Found);\r | |
791 | }\r | |
792 | \r | |
77dcec12 | 793 | /**\r |
794 | Deal with the result of the if operation.\r | |
795 | \r | |
796 | @param[in] Result The result of the if.\r | |
797 | \r | |
798 | @retval EFI_SUCCESS The operation was successful.\r | |
799 | @retval EFI_NOT_FOUND The ending tag could not be found.\r | |
800 | **/\r | |
a405b86d | 801 | EFI_STATUS\r |
a405b86d | 802 | PerformResultOperation (\r |
803 | IN CONST BOOLEAN Result\r | |
804 | )\r | |
805 | {\r | |
806 | if (Result || MoveToTagSpecial(ShellCommandGetCurrentScriptFile())) {\r | |
807 | return (EFI_SUCCESS);\r | |
808 | }\r | |
809 | return (EFI_NOT_FOUND);\r | |
810 | }\r | |
811 | \r | |
812 | /**\r | |
813 | Function for 'if' command.\r | |
814 | \r | |
815 | @param[in] ImageHandle Handle to the Image (NULL if Internal).\r | |
816 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).\r | |
817 | **/\r | |
818 | SHELL_STATUS\r | |
819 | EFIAPI\r | |
820 | ShellCommandRunIf (\r | |
821 | IN EFI_HANDLE ImageHandle,\r | |
822 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
823 | )\r | |
824 | {\r | |
825 | EFI_STATUS Status;\r | |
826 | SHELL_STATUS ShellStatus;\r | |
827 | BOOLEAN CaseInsensitive;\r | |
828 | BOOLEAN ForceString;\r | |
829 | UINTN CurrentParameter;\r | |
830 | UINTN EndParameter;\r | |
831 | BOOLEAN CurrentValue;\r | |
832 | END_TAG_TYPE Ending;\r | |
833 | END_TAG_TYPE PreviousEnding;\r | |
ae724571 | 834 | SCRIPT_FILE *CurrentScriptFile;\r |
a405b86d | 835 | \r |
836 | Status = CommandInit();\r | |
837 | ASSERT_EFI_ERROR(Status);\r | |
838 | \r | |
839 | if (!gEfiShellProtocol->BatchIsActive()) {\r | |
0861edab | 840 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_NO_SCRIPT), gShellLevel1HiiHandle, L"if"); \r |
a405b86d | 841 | return (SHELL_UNSUPPORTED);\r |
842 | }\r | |
843 | \r | |
844 | if (gEfiShellParametersProtocol->Argc < 3) {\r | |
0861edab | 845 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel1HiiHandle, L"if"); \r |
a405b86d | 846 | return (SHELL_INVALID_PARAMETER);\r |
847 | }\r | |
848 | \r | |
849 | //\r | |
850 | // Make sure that an End exists.\r | |
851 | //\r | |
ae724571 | 852 | CurrentScriptFile = ShellCommandGetCurrentScriptFile();\r |
853 | if (!MoveToTag(GetNextNode, L"endif", L"if", NULL, CurrentScriptFile, TRUE, TRUE, FALSE)) {\r | |
33c031ee | 854 | ShellPrintHiiEx(\r |
855 | -1, \r | |
856 | -1, \r | |
857 | NULL, \r | |
858 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
859 | gShellLevel1HiiHandle, \r | |
13acebbd | 860 | L"EndIf", \r |
33c031ee | 861 | L"If", \r |
ae724571 | 862 | CurrentScriptFile!=NULL \r |
863 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
864 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 865 | return (SHELL_DEVICE_ERROR);\r |
866 | }\r | |
867 | \r | |
868 | //\r | |
869 | // initialize the shell lib (we must be in non-auto-init...)\r | |
870 | //\r | |
871 | Status = ShellInitialize();\r | |
872 | ASSERT_EFI_ERROR(Status);\r | |
873 | \r | |
874 | CurrentParameter = 1;\r | |
875 | EndParameter = 0;\r | |
876 | \r | |
877 | if (gUnicodeCollation->StriColl(\r | |
878 | gUnicodeCollation,\r | |
879 | gEfiShellParametersProtocol->Argv[1],\r | |
880 | L"/i") == 0 ||\r | |
881 | gUnicodeCollation->StriColl(\r | |
882 | gUnicodeCollation,\r | |
883 | gEfiShellParametersProtocol->Argv[2],\r | |
884 | L"/i") == 0 ||\r | |
885 | (gEfiShellParametersProtocol->Argc > 3 && gUnicodeCollation->StriColl(\r | |
886 | gUnicodeCollation,\r | |
887 | gEfiShellParametersProtocol->Argv[3],\r | |
888 | L"/i") == 0)) {\r | |
889 | CaseInsensitive = TRUE;\r | |
890 | CurrentParameter++;\r | |
891 | } else {\r | |
892 | CaseInsensitive = FALSE;\r | |
893 | }\r | |
894 | if (gUnicodeCollation->StriColl(\r | |
895 | gUnicodeCollation,\r | |
896 | gEfiShellParametersProtocol->Argv[1],\r | |
897 | L"/s") == 0 ||\r | |
898 | gUnicodeCollation->StriColl(\r | |
899 | gUnicodeCollation,\r | |
900 | gEfiShellParametersProtocol->Argv[2],\r | |
901 | L"/s") == 0 ||\r | |
902 | (gEfiShellParametersProtocol->Argc > 3 && gUnicodeCollation->StriColl(\r | |
903 | gUnicodeCollation,\r | |
904 | gEfiShellParametersProtocol->Argv[3],\r | |
905 | L"/s") == 0)) {\r | |
906 | ForceString = TRUE;\r | |
907 | CurrentParameter++;\r | |
908 | } else {\r | |
909 | ForceString = FALSE;\r | |
910 | }\r | |
911 | \r | |
77dcec12 | 912 | for ( ShellStatus = SHELL_SUCCESS, CurrentValue = FALSE, Ending = EndTagMax\r |
a405b86d | 913 | ; CurrentParameter < gEfiShellParametersProtocol->Argc && ShellStatus == SHELL_SUCCESS\r |
914 | ; CurrentParameter++) {\r | |
915 | if (gUnicodeCollation->StriColl(\r | |
916 | gUnicodeCollation,\r | |
917 | gEfiShellParametersProtocol->Argv[CurrentParameter],\r | |
918 | L"then") == 0) {\r | |
919 | //\r | |
920 | // we are at the then\r | |
921 | //\r | |
922 | if (CurrentParameter+1 != gEfiShellParametersProtocol->Argc) {\r | |
0861edab | 923 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_TEXT_AFTER_THEN), gShellLevel1HiiHandle, L"if"); \r |
a405b86d | 924 | ShellStatus = SHELL_INVALID_PARAMETER;\r |
925 | } else {\r | |
926 | Status = PerformResultOperation(CurrentValue);\r | |
927 | if (EFI_ERROR(Status)) {\r | |
0861edab | 928 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_AFTER_BAD), gShellLevel1HiiHandle, L"if", gEfiShellParametersProtocol->Argv[CurrentParameter]); \r |
a405b86d | 929 | ShellStatus = SHELL_INVALID_PARAMETER;\r |
930 | }\r | |
931 | }\r | |
932 | } else {\r | |
933 | PreviousEnding = Ending;\r | |
934 | //\r | |
935 | // build up the next statement for analysis\r | |
936 | //\r | |
937 | if (!BuildNextStatement(CurrentParameter, &EndParameter, &Ending)) {\r | |
ae724571 | 938 | CurrentScriptFile = ShellCommandGetCurrentScriptFile();\r |
939 | ShellPrintHiiEx(\r | |
940 | -1, \r | |
941 | -1, \r | |
942 | NULL, \r | |
943 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
944 | gShellLevel1HiiHandle, \r | |
945 | L"Then", \r | |
946 | L"If",\r | |
947 | CurrentScriptFile!=NULL \r | |
948 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
949 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 950 | ShellStatus = SHELL_INVALID_PARAMETER;\r |
951 | } else {\r | |
952 | //\r | |
953 | // Analyze the statement\r | |
954 | //\r | |
955 | Status = ProcessStatement(&CurrentValue, CurrentParameter, EndParameter, PreviousEnding, CaseInsensitive, ForceString);\r | |
956 | if (EFI_ERROR(Status)) {\r | |
957 | // ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_STARTING), gShellLevel1HiiHandle, gEfiShellParametersProtocol->Argv[CurrentParameter]);\r | |
958 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
959 | } else {\r | |
960 | //\r | |
961 | // Optomize to get out of the loop early...\r | |
962 | //\r | |
77dcec12 | 963 | if ((Ending == EndTagOr && CurrentValue) || (Ending == EndTagAnd && !CurrentValue)) {\r |
a405b86d | 964 | Status = PerformResultOperation(CurrentValue);\r |
965 | if (EFI_ERROR(Status)) {\r | |
0861edab | 966 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_AFTER_BAD), gShellLevel1HiiHandle, L"if", gEfiShellParametersProtocol->Argv[CurrentParameter]); \r |
a405b86d | 967 | ShellStatus = SHELL_INVALID_PARAMETER;\r |
968 | }\r | |
969 | break;\r | |
970 | }\r | |
971 | }\r | |
972 | }\r | |
973 | if (ShellStatus == SHELL_SUCCESS){\r | |
974 | CurrentParameter = EndParameter;\r | |
975 | //\r | |
976 | // Skip over the or or and parameter.\r | |
977 | //\r | |
77dcec12 | 978 | if (Ending == EndTagOr || Ending == EndTagAnd) {\r |
a405b86d | 979 | CurrentParameter++;\r |
980 | }\r | |
981 | }\r | |
982 | }\r | |
983 | }\r | |
984 | return (ShellStatus);\r | |
985 | }\r | |
986 | \r | |
987 | /**\r | |
988 | Function for 'else' command.\r | |
989 | \r | |
990 | @param[in] ImageHandle Handle to the Image (NULL if Internal).\r | |
991 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).\r | |
992 | **/\r | |
993 | SHELL_STATUS\r | |
994 | EFIAPI\r | |
995 | ShellCommandRunElse (\r | |
996 | IN EFI_HANDLE ImageHandle,\r | |
997 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
998 | )\r | |
999 | {\r | |
4a7518d3 | 1000 | EFI_STATUS Status;\r |
ae724571 | 1001 | SCRIPT_FILE *CurrentScriptFile;\r |
4a7518d3 LE |
1002 | \r |
1003 | Status = CommandInit ();\r | |
1004 | ASSERT_EFI_ERROR (Status);\r | |
a405b86d | 1005 | \r |
1006 | if (gEfiShellParametersProtocol->Argc > 1) {\r | |
0861edab | 1007 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel1HiiHandle, L"if"); \r |
a405b86d | 1008 | return (SHELL_INVALID_PARAMETER);\r |
1009 | }\r | |
1010 | \r | |
1011 | if (!gEfiShellProtocol->BatchIsActive()) {\r | |
1012 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_NO_SCRIPT), gShellLevel1HiiHandle, L"Else");\r | |
1013 | return (SHELL_UNSUPPORTED);\r | |
1014 | }\r | |
1015 | \r | |
ae724571 | 1016 | CurrentScriptFile = ShellCommandGetCurrentScriptFile();\r |
a405b86d | 1017 | \r |
ae724571 | 1018 | if (!MoveToTag(GetPreviousNode, L"if", L"endif", NULL, CurrentScriptFile, FALSE, TRUE, FALSE)) {\r |
33c031ee | 1019 | ShellPrintHiiEx(\r |
1020 | -1, \r | |
1021 | -1, \r | |
1022 | NULL, \r | |
1023 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
1024 | gShellLevel1HiiHandle, \r | |
1025 | L"If", \r | |
1026 | L"Else", \r | |
ae724571 | 1027 | CurrentScriptFile!=NULL \r |
1028 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
1029 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 1030 | return (SHELL_DEVICE_ERROR);\r |
1031 | }\r | |
ae724571 | 1032 | if (!MoveToTag(GetPreviousNode, L"if", L"else", NULL, CurrentScriptFile, FALSE, TRUE, FALSE)) {\r |
33c031ee | 1033 | ShellPrintHiiEx(\r |
1034 | -1, \r | |
1035 | -1, \r | |
1036 | NULL, \r | |
1037 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
1038 | gShellLevel1HiiHandle, \r | |
1039 | L"If", \r | |
1040 | L"Else", \r | |
ae724571 | 1041 | CurrentScriptFile!=NULL \r |
1042 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
1043 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 1044 | return (SHELL_DEVICE_ERROR);\r |
1045 | }\r | |
1046 | \r | |
ae724571 | 1047 | if (!MoveToTag(GetNextNode, L"endif", L"if", NULL, CurrentScriptFile, FALSE, FALSE, FALSE)) {\r |
33c031ee | 1048 | ShellPrintHiiEx(\r |
1049 | -1, \r | |
1050 | -1, \r | |
1051 | NULL, \r | |
1052 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
1053 | gShellLevel1HiiHandle, \r | |
1054 | L"EndIf", \r | |
1055 | "Else", \r | |
ae724571 | 1056 | CurrentScriptFile!=NULL \r |
1057 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
1058 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 1059 | return (SHELL_DEVICE_ERROR);\r |
1060 | }\r | |
1061 | \r | |
1062 | return (SHELL_SUCCESS);\r | |
1063 | }\r | |
1064 | \r | |
1065 | /**\r | |
1066 | Function for 'endif' command.\r | |
1067 | \r | |
1068 | @param[in] ImageHandle Handle to the Image (NULL if Internal).\r | |
1069 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).\r | |
1070 | **/\r | |
1071 | SHELL_STATUS\r | |
1072 | EFIAPI\r | |
1073 | ShellCommandRunEndIf (\r | |
1074 | IN EFI_HANDLE ImageHandle,\r | |
1075 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
1076 | )\r | |
1077 | {\r | |
4a7518d3 | 1078 | EFI_STATUS Status;\r |
ae724571 | 1079 | SCRIPT_FILE *CurrentScriptFile;\r |
4a7518d3 LE |
1080 | \r |
1081 | Status = CommandInit ();\r | |
1082 | ASSERT_EFI_ERROR (Status);\r | |
a405b86d | 1083 | \r |
1084 | if (gEfiShellParametersProtocol->Argc > 1) {\r | |
0861edab | 1085 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel1HiiHandle, L"if"); \r |
a405b86d | 1086 | return (SHELL_INVALID_PARAMETER);\r |
1087 | }\r | |
1088 | \r | |
1089 | if (!gEfiShellProtocol->BatchIsActive()) {\r | |
1090 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_NO_SCRIPT), gShellLevel1HiiHandle, L"Endif");\r | |
1091 | return (SHELL_UNSUPPORTED);\r | |
1092 | }\r | |
1093 | \r | |
ae724571 | 1094 | CurrentScriptFile = ShellCommandGetCurrentScriptFile();\r |
1095 | if (!MoveToTag(GetPreviousNode, L"if", L"endif", NULL, CurrentScriptFile, FALSE, TRUE, FALSE)) {\r | |
33c031ee | 1096 | ShellPrintHiiEx(\r |
1097 | -1, \r | |
1098 | -1, \r | |
1099 | NULL, \r | |
1100 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
1101 | gShellLevel1HiiHandle, \r | |
1102 | L"If", \r | |
1103 | L"EndIf", \r | |
ae724571 | 1104 | CurrentScriptFile!=NULL \r |
1105 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
1106 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 1107 | return (SHELL_DEVICE_ERROR);\r |
1108 | }\r | |
1109 | \r | |
1110 | return (SHELL_SUCCESS);\r | |
1111 | }\r |