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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 |
ae591c14 | 5 | Copyright (c) 2009 - 2014, 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 | |
77dcec12 | 45 | \r |
46 | @retval FALSE There is not another fragment.\r | |
47 | @retval TRUE There is another fragment.\r | |
48 | **/\r | |
a405b86d | 49 | BOOLEAN\r |
50 | EFIAPI\r | |
51 | IsNextFragment (\r | |
77dcec12 | 52 | IN OUT CONST CHAR16 **Statement,\r |
a405b86d | 53 | IN CONST CHAR16 *Fragment\r |
54 | )\r | |
55 | {\r | |
56 | CHAR16 *Tester;\r | |
57 | \r | |
58 | Tester = NULL;\r | |
59 | \r | |
60 | Tester = StrnCatGrow(&Tester, NULL, *Statement, StrLen(Fragment));\r | |
61 | ASSERT(Tester != NULL);\r | |
62 | Tester[StrLen(Fragment)] = CHAR_NULL;\r | |
63 | if (gUnicodeCollation->StriColl(\r | |
64 | gUnicodeCollation,\r | |
65 | (CHAR16*)Fragment,\r | |
66 | Tester) == 0) {\r | |
67 | //\r | |
68 | // increment the string pointer to the end of what we found and then chop off spaces...\r | |
69 | //\r | |
70 | *Statement+=StrLen(Fragment);\r | |
71 | while (*Statement[0] == L' ') {\r | |
1ca79586 | 72 | (*Statement)++;\r |
a405b86d | 73 | }\r |
74 | FreePool(Tester);\r | |
75 | return (TRUE);\r | |
76 | }\r | |
77 | FreePool(Tester);\r | |
78 | return (FALSE);\r | |
79 | }\r | |
80 | \r | |
77dcec12 | 81 | /**\r |
82 | Determine if String represents a valid profile.\r | |
83 | \r | |
84 | @param[in] String The pointer to the string to test.\r | |
85 | \r | |
86 | @retval TRUE String is a valid profile.\r | |
87 | @retval FALSE String is not a valid profile.\r | |
88 | **/\r | |
a405b86d | 89 | BOOLEAN\r |
90 | EFIAPI\r | |
91 | IsValidProfile (\r | |
92 | IN CONST CHAR16 *String\r | |
93 | )\r | |
94 | {\r | |
95 | CONST CHAR16 *ProfilesString;\r | |
96 | CONST CHAR16 *TempLocation;\r | |
97 | \r | |
98 | ProfilesString = ShellGetEnvironmentVariable(L"profiles");\r | |
ab94587a | 99 | ASSERT(ProfilesString != NULL);\r |
a405b86d | 100 | TempLocation = StrStr(ProfilesString, String);\r |
101 | if ((TempLocation != NULL) && (*(TempLocation-1) == L';') && (*(TempLocation+StrLen(String)) == L';')) {\r | |
102 | return (TRUE);\r | |
103 | }\r | |
104 | return (FALSE);\r | |
105 | }\r | |
106 | \r | |
77dcec12 | 107 | /**\r |
108 | Do a comparison between 2 things.\r | |
109 | \r | |
110 | @param[in] Compare1 The first item to compare.\r | |
111 | @param[in] Compare2 The second item to compare.\r | |
112 | @param[in] BinOp The type of comparison to perform.\r | |
113 | @param[in] CaseInsensitive TRUE to do non-case comparison, FALSE otherwise.\r | |
114 | @param[in] ForceStringCompare TRUE to force string comparison, FALSE otherwise.\r | |
115 | \r | |
116 | @return The result of the comparison.\r | |
117 | **/\r | |
a405b86d | 118 | BOOLEAN\r |
119 | EFIAPI\r | |
120 | TestOperation (\r | |
121 | IN CONST CHAR16 *Compare1,\r | |
122 | IN CONST CHAR16 *Compare2,\r | |
123 | IN CONST BIN_OPERATOR_TYPE BinOp,\r | |
124 | IN CONST BOOLEAN CaseInsensitive,\r | |
125 | IN CONST BOOLEAN ForceStringCompare\r | |
126 | )\r | |
127 | {\r | |
128 | INTN Cmp1;\r | |
129 | INTN Cmp2;\r | |
130 | \r | |
131 | //\r | |
132 | // "Compare1 BinOp Compare2"\r | |
133 | //\r | |
134 | switch (BinOp) {\r | |
77dcec12 | 135 | case OperatorUnisgnedGreaterThan:\r |
136 | case OperatorGreaterThan:\r | |
a405b86d | 137 | if (ForceStringCompare || !ShellIsHexOrDecimalNumber(Compare1, FALSE, FALSE) || !ShellIsHexOrDecimalNumber(Compare2, FALSE, FALSE)) {\r |
138 | //\r | |
139 | // string compare\r | |
140 | //\r | |
141 | if ((CaseInsensitive && StringNoCaseCompare(&Compare1, &Compare2) > 0) || (StringCompare(&Compare1, &Compare2) > 0)) {\r | |
142 | return (TRUE);\r | |
143 | }\r | |
144 | } else {\r | |
145 | //\r | |
146 | // numeric compare\r | |
147 | //\r | |
148 | if (Compare1[0] == L'-') {\r | |
77dcec12 | 149 | Cmp1 = 0 - (INTN)ShellStrToUintn(Compare1+1);\r |
a405b86d | 150 | } else {\r |
77dcec12 | 151 | Cmp1 = (INTN)ShellStrToUintn(Compare1);\r |
a405b86d | 152 | }\r |
153 | if (Compare2[0] == L'-') {\r | |
77dcec12 | 154 | Cmp2 = 0 - (INTN)ShellStrToUintn(Compare2+1);\r |
a405b86d | 155 | } else {\r |
77dcec12 | 156 | Cmp2 = (INTN)ShellStrToUintn(Compare2);\r |
a405b86d | 157 | }\r |
77dcec12 | 158 | if (BinOp == OperatorGreaterThan) {\r |
a405b86d | 159 | if (Cmp1 > Cmp2) {\r |
160 | return (TRUE);\r | |
161 | }\r | |
162 | } else {\r | |
163 | if ((UINTN)Cmp1 > (UINTN)Cmp2) {\r | |
164 | return (TRUE);\r | |
165 | }\r | |
166 | }\r | |
167 | }\r | |
168 | return (FALSE);\r | |
77dcec12 | 169 | case OperatorUnsignedLessThan:\r |
170 | case OperatorLessThan:\r | |
a405b86d | 171 | if (ForceStringCompare || !ShellIsHexOrDecimalNumber(Compare1, FALSE, FALSE) || !ShellIsHexOrDecimalNumber(Compare2, FALSE, FALSE)) {\r |
172 | //\r | |
173 | // string compare\r | |
174 | //\r | |
175 | if ((CaseInsensitive && StringNoCaseCompare(&Compare1, &Compare2) < 0) || (StringCompare(&Compare1, &Compare2) < 0)) {\r | |
176 | return (TRUE);\r | |
177 | }\r | |
178 | } else {\r | |
179 | //\r | |
180 | // numeric compare\r | |
181 | //\r | |
182 | if (Compare1[0] == L'-') {\r | |
77dcec12 | 183 | Cmp1 = 0 - (INTN)ShellStrToUintn(Compare1+1);\r |
a405b86d | 184 | } else {\r |
77dcec12 | 185 | Cmp1 = (INTN)ShellStrToUintn(Compare1);\r |
a405b86d | 186 | }\r |
187 | if (Compare2[0] == L'-') {\r | |
77dcec12 | 188 | Cmp2 = 0 - (INTN)ShellStrToUintn(Compare2+1);\r |
a405b86d | 189 | } else {\r |
77dcec12 | 190 | Cmp2 = (INTN)ShellStrToUintn(Compare2);\r |
a405b86d | 191 | }\r |
77dcec12 | 192 | if (BinOp == OperatorLessThan) {\r |
a405b86d | 193 | if (Cmp1 < Cmp2) {\r |
194 | return (TRUE);\r | |
195 | }\r | |
196 | } else {\r | |
197 | if ((UINTN)Cmp1 < (UINTN)Cmp2) {\r | |
198 | return (TRUE);\r | |
199 | }\r | |
200 | }\r | |
201 | \r | |
202 | }\r | |
203 | return (FALSE);\r | |
77dcec12 | 204 | case OperatorEqual:\r |
a405b86d | 205 | if (ForceStringCompare || !ShellIsHexOrDecimalNumber(Compare1, FALSE, FALSE) || !ShellIsHexOrDecimalNumber(Compare2, FALSE, FALSE)) {\r |
206 | //\r | |
207 | // string compare\r | |
208 | //\r | |
209 | if ((CaseInsensitive && StringNoCaseCompare(&Compare1, &Compare2) == 0) || (StringCompare(&Compare1, &Compare2) == 0)) {\r | |
210 | return (TRUE);\r | |
211 | }\r | |
212 | } else {\r | |
213 | //\r | |
214 | // numeric compare\r | |
215 | //\r | |
216 | if (Compare1[0] == L'-') {\r | |
217 | Cmp1 = 0 - (INTN)ShellStrToUintn(Compare1+1);\r | |
218 | } else {\r | |
219 | Cmp1 = (INTN)ShellStrToUintn(Compare1);\r | |
220 | }\r | |
221 | if (Compare2[0] == L'-') {\r | |
222 | Cmp2 = 0 - (INTN)ShellStrToUintn(Compare2+1);\r | |
223 | } else {\r | |
224 | Cmp2 = (INTN)ShellStrToUintn(Compare2);\r | |
225 | }\r | |
226 | if (Cmp1 == Cmp2) {\r | |
227 | return (TRUE);\r | |
228 | }\r | |
229 | }\r | |
230 | return (FALSE);\r | |
77dcec12 | 231 | case OperatorNotEqual:\r |
a405b86d | 232 | if (ForceStringCompare || !ShellIsHexOrDecimalNumber(Compare1, FALSE, FALSE) || !ShellIsHexOrDecimalNumber(Compare2, FALSE, FALSE)) {\r |
233 | //\r | |
234 | // string compare\r | |
235 | //\r | |
236 | if ((CaseInsensitive && StringNoCaseCompare(&Compare1, &Compare2) != 0) || (StringCompare(&Compare1, &Compare2) != 0)) {\r | |
237 | return (TRUE);\r | |
238 | }\r | |
239 | } else {\r | |
240 | //\r | |
241 | // numeric compare\r | |
242 | //\r | |
243 | if (Compare1[0] == L'-') {\r | |
77dcec12 | 244 | Cmp1 = 0 - (INTN)ShellStrToUintn(Compare1+1);\r |
a405b86d | 245 | } else {\r |
77dcec12 | 246 | Cmp1 = (INTN)ShellStrToUintn(Compare1);\r |
a405b86d | 247 | }\r |
248 | if (Compare2[0] == L'-') {\r | |
77dcec12 | 249 | Cmp2 = 0 - (INTN)ShellStrToUintn(Compare2+1);\r |
a405b86d | 250 | } else {\r |
77dcec12 | 251 | Cmp2 = (INTN)ShellStrToUintn(Compare2);\r |
a405b86d | 252 | }\r |
253 | if (Cmp1 != Cmp2) {\r | |
254 | return (TRUE);\r | |
255 | }\r | |
256 | }\r | |
257 | return (FALSE);\r | |
77dcec12 | 258 | case OperatorUnsignedGreaterOrEqual:\r |
259 | case OperatorGreatorOrEqual:\r | |
a405b86d | 260 | if (ForceStringCompare || !ShellIsHexOrDecimalNumber(Compare1, FALSE, FALSE) || !ShellIsHexOrDecimalNumber(Compare2, FALSE, FALSE)) {\r |
261 | //\r | |
262 | // string compare\r | |
263 | //\r | |
264 | if ((CaseInsensitive && StringNoCaseCompare(&Compare1, &Compare2) >= 0) || (StringCompare(&Compare1, &Compare2) >= 0)) {\r | |
265 | return (TRUE);\r | |
266 | }\r | |
267 | } else {\r | |
268 | //\r | |
269 | // numeric compare\r | |
270 | //\r | |
271 | if (Compare1[0] == L'-') {\r | |
77dcec12 | 272 | Cmp1 = 0 - (INTN)ShellStrToUintn(Compare1+1);\r |
a405b86d | 273 | } else {\r |
77dcec12 | 274 | Cmp1 = (INTN)ShellStrToUintn(Compare1);\r |
a405b86d | 275 | }\r |
276 | if (Compare2[0] == L'-') {\r | |
77dcec12 | 277 | Cmp2 = 0 - (INTN)ShellStrToUintn(Compare2+1);\r |
a405b86d | 278 | } else {\r |
77dcec12 | 279 | Cmp2 = (INTN)ShellStrToUintn(Compare2);\r |
a405b86d | 280 | }\r |
77dcec12 | 281 | if (BinOp == OperatorGreatorOrEqual) {\r |
a405b86d | 282 | if (Cmp1 >= Cmp2) {\r |
283 | return (TRUE);\r | |
284 | }\r | |
285 | } else {\r | |
286 | if ((UINTN)Cmp1 >= (UINTN)Cmp2) {\r | |
287 | return (TRUE);\r | |
288 | }\r | |
289 | }\r | |
290 | }\r | |
291 | return (FALSE);\r | |
77dcec12 | 292 | case OperatorLessOrEqual:\r |
293 | case OperatorUnsignedLessOrEqual:\r | |
a405b86d | 294 | if (ForceStringCompare || !ShellIsHexOrDecimalNumber(Compare1, FALSE, FALSE) || !ShellIsHexOrDecimalNumber(Compare2, FALSE, FALSE)) {\r |
295 | //\r | |
296 | // string compare\r | |
297 | //\r | |
298 | if ((CaseInsensitive && StringNoCaseCompare(&Compare1, &Compare2) <= 0) || (StringCompare(&Compare1, &Compare2) <= 0)) {\r | |
299 | return (TRUE);\r | |
300 | }\r | |
301 | } else {\r | |
302 | //\r | |
303 | // numeric compare\r | |
304 | //\r | |
305 | if (Compare1[0] == L'-') {\r | |
77dcec12 | 306 | Cmp1 = 0 - (INTN)ShellStrToUintn(Compare1+1);\r |
a405b86d | 307 | } else {\r |
77dcec12 | 308 | Cmp1 = (INTN)ShellStrToUintn(Compare1);\r |
a405b86d | 309 | }\r |
310 | if (Compare2[0] == L'-') {\r | |
77dcec12 | 311 | Cmp2 = 0 - (INTN)ShellStrToUintn(Compare2+1);\r |
a405b86d | 312 | } else {\r |
77dcec12 | 313 | Cmp2 = (INTN)ShellStrToUintn(Compare2);\r |
a405b86d | 314 | }\r |
77dcec12 | 315 | if (BinOp == OperatorLessOrEqual) {\r |
a405b86d | 316 | if (Cmp1 <= Cmp2) {\r |
317 | return (TRUE);\r | |
318 | }\r | |
319 | } else {\r | |
320 | if ((UINTN)Cmp1 <= (UINTN)Cmp2) {\r | |
321 | return (TRUE);\r | |
322 | }\r | |
323 | }\r | |
324 | }\r | |
325 | return (FALSE);\r | |
e9723321 | 326 | default:\r |
327 | ASSERT(FALSE);\r | |
328 | return (FALSE);\r | |
a405b86d | 329 | }\r |
a405b86d | 330 | }\r |
331 | \r | |
77dcec12 | 332 | /**\r |
333 | Process an if statement and determine if its is valid or not.\r | |
334 | \r | |
4ff7e37b ED |
335 | @param[in, out] PassingState Opon entry, the current state. Upon exit, \r |
336 | the new state.\r | |
337 | @param[in] StartParameterNumber The number of the first parameter of\r | |
338 | this statement.\r | |
339 | @param[in] EndParameterNumber The number of the final parameter of\r | |
340 | this statement.\r | |
341 | @param[in] OperatorToUse The type of termination operator.\r | |
342 | @param[in] CaseInsensitive TRUE for case insensitive, FALSE otherwise.\r | |
343 | @param[in] ForceStringCompare TRUE for all string based, FALSE otherwise.\r | |
77dcec12 | 344 | \r |
345 | @retval EFI_INVALID_PARAMETER A parameter was invalid.\r | |
346 | @retval EFI_SUCCESS The operation was successful. \r | |
347 | **/\r | |
a405b86d | 348 | EFI_STATUS\r |
349 | EFIAPI\r | |
350 | ProcessStatement (\r | |
351 | IN OUT BOOLEAN *PassingState,\r | |
352 | IN UINTN StartParameterNumber,\r | |
353 | IN UINTN EndParameterNumber,\r | |
354 | IN CONST END_TAG_TYPE OperatorToUse,\r | |
355 | IN CONST BOOLEAN CaseInsensitive,\r | |
356 | IN CONST BOOLEAN ForceStringCompare\r | |
357 | )\r | |
358 | {\r | |
359 | EFI_STATUS Status;\r | |
360 | BOOLEAN OperationResult;\r | |
361 | BOOLEAN NotPresent;\r | |
362 | CHAR16 *StatementWalker;\r | |
363 | BIN_OPERATOR_TYPE BinOp;\r | |
364 | CHAR16 *Compare1;\r | |
365 | CHAR16 *Compare2;\r | |
366 | CHAR16 HexString[20];\r | |
367 | CHAR16 *TempSpot;\r | |
368 | \r | |
77dcec12 | 369 | ASSERT((END_TAG_TYPE)OperatorToUse != EndTagThen);\r |
a405b86d | 370 | \r |
371 | Status = EFI_SUCCESS;\r | |
77dcec12 | 372 | BinOp = OperatorMax;\r |
a405b86d | 373 | OperationResult = FALSE;\r |
374 | StatementWalker = gEfiShellParametersProtocol->Argv[StartParameterNumber];\r | |
375 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"not")) {\r | |
376 | NotPresent = TRUE;\r | |
377 | StatementWalker = gEfiShellParametersProtocol->Argv[++StartParameterNumber];\r | |
378 | } else {\r | |
379 | NotPresent = FALSE;\r | |
380 | }\r | |
381 | \r | |
382 | //\r | |
383 | // now check for 'boolfunc' operators\r | |
384 | //\r | |
385 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"isint")) {\r | |
386 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && StatementWalker[StrLen(StatementWalker)-1] == L')') {\r | |
387 | StatementWalker[StrLen(StatementWalker)-1] = CHAR_NULL;\r | |
388 | OperationResult = ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE);\r | |
389 | } else {\r | |
390 | Status = EFI_INVALID_PARAMETER;\r | |
391 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"isint");\r | |
392 | }\r | |
393 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"exists") || IsNextFragment((CONST CHAR16**)(&StatementWalker), L"exist")) {\r | |
394 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && StatementWalker[StrLen(StatementWalker)-1] == L')') {\r | |
395 | StatementWalker[StrLen(StatementWalker)-1] = CHAR_NULL;\r | |
396 | //\r | |
397 | // is what remains a file in CWD???\r | |
398 | //\r | |
399 | OperationResult = (BOOLEAN)(ShellFileExists(StatementWalker)==EFI_SUCCESS);\r | |
400 | } else if (StatementWalker[0] == CHAR_NULL && StartParameterNumber+1 == EndParameterNumber) {\r | |
401 | OperationResult = (BOOLEAN)(ShellFileExists(gEfiShellParametersProtocol->Argv[++StartParameterNumber])==EFI_SUCCESS);\r | |
402 | } else {\r | |
403 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"exist(s)");\r | |
404 | Status = EFI_INVALID_PARAMETER;\r | |
405 | }\r | |
406 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"available")) {\r | |
407 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && StatementWalker[StrLen(StatementWalker)-1] == L')') {\r | |
408 | StatementWalker[StrLen(StatementWalker)-1] = CHAR_NULL;\r | |
409 | //\r | |
410 | // is what remains a file in the CWD or path???\r | |
411 | //\r | |
412 | OperationResult = (BOOLEAN)(ShellIsFileInPath(StatementWalker)==EFI_SUCCESS);\r | |
413 | } else {\r | |
414 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"available");\r | |
415 | Status = EFI_INVALID_PARAMETER;\r | |
416 | }\r | |
417 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"profile")) {\r | |
418 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && StatementWalker[StrLen(StatementWalker)-1] == L')') {\r | |
419 | //\r | |
420 | // Chop off that ')'\r | |
421 | //\r | |
422 | StatementWalker[StrLen(StatementWalker)-1] = CHAR_NULL;\r | |
423 | OperationResult = IsValidProfile(StatementWalker);\r | |
424 | } else {\r | |
425 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"profile");\r | |
426 | Status = EFI_INVALID_PARAMETER;\r | |
427 | }\r | |
428 | } else if (StartParameterNumber+1 >= EndParameterNumber) {\r | |
429 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, gEfiShellParametersProtocol->Argv[StartParameterNumber]);\r | |
430 | Status = EFI_INVALID_PARAMETER;\r | |
431 | } else {\r | |
432 | //\r | |
433 | // must be 'item binop item' style\r | |
434 | //\r | |
435 | Compare1 = NULL;\r | |
436 | Compare2 = NULL;\r | |
77dcec12 | 437 | BinOp = OperatorMax;\r |
a405b86d | 438 | \r |
439 | //\r | |
440 | // get the first item\r | |
441 | //\r | |
442 | StatementWalker = gEfiShellParametersProtocol->Argv[StartParameterNumber];\r | |
443 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"efierror")) {\r | |
444 | TempSpot = StrStr(StatementWalker, L")");\r | |
445 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && TempSpot != NULL) {\r | |
446 | *TempSpot = CHAR_NULL;\r | |
447 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
448 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT);\r | |
449 | ASSERT(Compare1 == NULL);\r | |
450 | Compare1 = StrnCatGrow(&Compare1, NULL, HexString, 0);\r | |
451 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
452 | } else {\r | |
453 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"efierror");\r | |
454 | Status = EFI_INVALID_PARAMETER;\r | |
455 | }\r | |
456 | } else {\r | |
457 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"efierror");\r | |
458 | Status = EFI_INVALID_PARAMETER;\r | |
459 | }\r | |
460 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"pierror")) {\r | |
461 | TempSpot = StrStr(StatementWalker, L")");\r | |
462 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && TempSpot != NULL) {\r | |
463 | *TempSpot = CHAR_NULL;\r | |
464 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
465 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT|(MAX_BIT>>2));\r | |
466 | ASSERT(Compare1 == NULL);\r | |
467 | Compare1 = StrnCatGrow(&Compare1, NULL, HexString, 0);\r | |
468 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
469 | } else {\r | |
470 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"pierror");\r | |
471 | Status = EFI_INVALID_PARAMETER;\r | |
472 | }\r | |
473 | } else {\r | |
474 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"pierror");\r | |
475 | Status = EFI_INVALID_PARAMETER;\r | |
476 | }\r | |
477 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"oemerror")) {\r | |
478 | TempSpot = StrStr(StatementWalker, L")");\r | |
479 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && TempSpot != NULL) {\r | |
480 | TempSpot = CHAR_NULL;\r | |
481 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
482 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT|(MAX_BIT>>1));\r | |
483 | ASSERT(Compare1 == NULL);\r | |
484 | Compare1 = StrnCatGrow(&Compare1, NULL, HexString, 0);\r | |
485 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
486 | } else {\r | |
487 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"oemerror");\r | |
488 | Status = EFI_INVALID_PARAMETER;\r | |
489 | }\r | |
490 | } else {\r | |
491 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"oemerror");\r | |
492 | Status = EFI_INVALID_PARAMETER;\r | |
493 | }\r | |
494 | } else {\r | |
495 | ASSERT(Compare1 == NULL);\r | |
496 | if (EndParameterNumber - StartParameterNumber > 2) {\r | |
497 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_STARTING), gShellLevel1HiiHandle, gEfiShellParametersProtocol->Argv[StartParameterNumber+2]);\r | |
498 | Status = EFI_INVALID_PARAMETER;\r | |
499 | } else {\r | |
500 | //\r | |
501 | // must be a raw string\r | |
502 | //\r | |
503 | Compare1 = StrnCatGrow(&Compare1, NULL, StatementWalker, 0);\r | |
504 | }\r | |
505 | }\r | |
506 | \r | |
507 | //\r | |
508 | // get the operator\r | |
509 | //\r | |
510 | ASSERT(StartParameterNumber+1<EndParameterNumber);\r | |
511 | StatementWalker = gEfiShellParametersProtocol->Argv[StartParameterNumber+1];\r | |
512 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"gt")) {\r | |
77dcec12 | 513 | BinOp = OperatorGreaterThan;\r |
a405b86d | 514 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"lt")) {\r |
77dcec12 | 515 | BinOp = OperatorLessThan;\r |
a405b86d | 516 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"eq")) {\r |
77dcec12 | 517 | BinOp = OperatorEqual;\r |
a405b86d | 518 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"ne")) {\r |
77dcec12 | 519 | BinOp = OperatorNotEqual;\r |
a405b86d | 520 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"ge")) {\r |
77dcec12 | 521 | BinOp = OperatorGreatorOrEqual;\r |
a405b86d | 522 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"le")) {\r |
77dcec12 | 523 | BinOp = OperatorLessOrEqual;\r |
a405b86d | 524 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"==")) {\r |
77dcec12 | 525 | BinOp = OperatorEqual;\r |
a405b86d | 526 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"ugt")) {\r |
77dcec12 | 527 | BinOp = OperatorUnisgnedGreaterThan;\r |
a405b86d | 528 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"ult")) {\r |
77dcec12 | 529 | BinOp = OperatorUnsignedLessThan;\r |
a405b86d | 530 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"uge")) {\r |
77dcec12 | 531 | BinOp = OperatorUnsignedGreaterOrEqual;\r |
a405b86d | 532 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"ule")) {\r |
77dcec12 | 533 | BinOp = OperatorUnsignedLessOrEqual;\r |
a405b86d | 534 | } else {\r |
535 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_INVALID_BINOP), gShellLevel1HiiHandle, StatementWalker);\r | |
536 | Status = EFI_INVALID_PARAMETER;\r | |
537 | }\r | |
538 | \r | |
539 | //\r | |
540 | // get the second item\r | |
541 | //\r | |
542 | ASSERT(StartParameterNumber+2<=EndParameterNumber);\r | |
543 | StatementWalker = gEfiShellParametersProtocol->Argv[StartParameterNumber+2];\r | |
544 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"efierror")) {\r | |
545 | TempSpot = StrStr(StatementWalker, L")");\r | |
546 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && TempSpot != NULL) {\r | |
547 | TempSpot = CHAR_NULL;\r | |
548 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
549 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT);\r | |
550 | ASSERT(Compare2 == NULL);\r | |
551 | Compare2 = StrnCatGrow(&Compare2, NULL, HexString, 0);\r | |
552 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
553 | } else {\r | |
554 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"efierror");\r | |
555 | Status = EFI_INVALID_PARAMETER;\r | |
556 | }\r | |
557 | } else {\r | |
558 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"efierror");\r | |
559 | Status = EFI_INVALID_PARAMETER;\r | |
560 | }\r | |
561 | //\r | |
562 | // can this be collapsed into the above?\r | |
563 | //\r | |
564 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"pierror")) {\r | |
565 | TempSpot = StrStr(StatementWalker, L")");\r | |
566 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && TempSpot != NULL) {\r | |
567 | TempSpot = CHAR_NULL;\r | |
568 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
569 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT|(MAX_BIT>>2));\r | |
570 | ASSERT(Compare2 == NULL);\r | |
571 | Compare2 = StrnCatGrow(&Compare2, NULL, HexString, 0);\r | |
572 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
573 | } else {\r | |
574 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"pierror");\r | |
575 | Status = EFI_INVALID_PARAMETER;\r | |
576 | }\r | |
577 | } else {\r | |
578 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"pierror");\r | |
579 | Status = EFI_INVALID_PARAMETER;\r | |
580 | }\r | |
581 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"oemerror")) {\r | |
582 | TempSpot = StrStr(StatementWalker, L")");\r | |
583 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && TempSpot != NULL) {\r | |
584 | TempSpot = CHAR_NULL;\r | |
585 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
586 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT|(MAX_BIT>>1));\r | |
587 | ASSERT(Compare2 == NULL);\r | |
588 | Compare2 = StrnCatGrow(&Compare2, NULL, HexString, 0);\r | |
589 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
590 | } else {\r | |
591 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"oemerror");\r | |
592 | Status = EFI_INVALID_PARAMETER;\r | |
593 | }\r | |
594 | } else {\r | |
595 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"oemerror");\r | |
596 | Status = EFI_INVALID_PARAMETER;\r | |
597 | }\r | |
598 | } else {\r | |
599 | //\r | |
600 | // must be a raw string\r | |
601 | //\r | |
602 | ASSERT(Compare2 == NULL);\r | |
603 | Compare2 = StrnCatGrow(&Compare2, NULL, StatementWalker, 0);\r | |
604 | }\r | |
605 | \r | |
77dcec12 | 606 | if (Compare1 != NULL && Compare2 != NULL && BinOp != OperatorMax) {\r |
a405b86d | 607 | OperationResult = TestOperation(Compare1, Compare2, BinOp, CaseInsensitive, ForceStringCompare);\r |
608 | }\r | |
609 | \r | |
610 | SHELL_FREE_NON_NULL(Compare1);\r | |
611 | SHELL_FREE_NON_NULL(Compare2);\r | |
612 | }\r | |
613 | \r | |
614 | //\r | |
615 | // done processing do result...\r | |
616 | //\r | |
617 | \r | |
618 | if (!EFI_ERROR(Status)) {\r | |
619 | if (NotPresent) {\r | |
620 | OperationResult = (BOOLEAN)(!OperationResult);\r | |
621 | }\r | |
622 | switch(OperatorToUse) {\r | |
77dcec12 | 623 | case EndTagOr:\r |
a405b86d | 624 | *PassingState = (BOOLEAN)(*PassingState || OperationResult);\r |
625 | break;\r | |
77dcec12 | 626 | case EndTagAnd:\r |
a405b86d | 627 | *PassingState = (BOOLEAN)(*PassingState && OperationResult);\r |
628 | break;\r | |
77dcec12 | 629 | case EndTagMax:\r |
a405b86d | 630 | *PassingState = (BOOLEAN)(OperationResult);\r |
631 | break;\r | |
632 | default:\r | |
633 | ASSERT(FALSE);\r | |
634 | }\r | |
635 | }\r | |
636 | return (Status);\r | |
637 | }\r | |
638 | \r | |
77dcec12 | 639 | /**\r |
640 | Break up the next part of the if statement (until the next 'and', 'or', or 'then').\r | |
641 | \r | |
642 | @param[in] ParameterNumber The current parameter number.\r | |
643 | @param[out] EndParameter Upon successful return, will point to the \r | |
644 | parameter to start the next iteration with.\r | |
645 | @param[out] EndTag Upon successful return, will point to the \r | |
646 | type that was found at the end of this statement.\r | |
647 | \r | |
648 | @retval TRUE A valid statement was found.\r | |
649 | @retval FALSE A valid statement was not found.\r | |
650 | **/\r | |
a405b86d | 651 | BOOLEAN\r |
652 | EFIAPI\r | |
653 | BuildNextStatement (\r | |
654 | IN UINTN ParameterNumber,\r | |
655 | OUT UINTN *EndParameter,\r | |
656 | OUT END_TAG_TYPE *EndTag\r | |
657 | )\r | |
658 | {\r | |
77dcec12 | 659 | *EndTag = EndTagMax;\r |
a405b86d | 660 | \r |
e755a4ca | 661 | for(\r |
a405b86d | 662 | ; ParameterNumber < gEfiShellParametersProtocol->Argc\r |
663 | ; ParameterNumber++\r | |
664 | ) {\r | |
665 | if (gUnicodeCollation->StriColl(\r | |
666 | gUnicodeCollation,\r | |
667 | gEfiShellParametersProtocol->Argv[ParameterNumber],\r | |
668 | L"or") == 0) {\r | |
669 | *EndParameter = ParameterNumber - 1;\r | |
77dcec12 | 670 | *EndTag = EndTagOr;\r |
a405b86d | 671 | break;\r |
672 | } else if (gUnicodeCollation->StriColl(\r | |
673 | gUnicodeCollation,\r | |
674 | gEfiShellParametersProtocol->Argv[ParameterNumber],\r | |
675 | L"and") == 0) {\r | |
676 | *EndParameter = ParameterNumber - 1;\r | |
77dcec12 | 677 | *EndTag = EndTagAnd;\r |
a405b86d | 678 | break;\r |
679 | } else if (gUnicodeCollation->StriColl(\r | |
680 | gUnicodeCollation,\r | |
681 | gEfiShellParametersProtocol->Argv[ParameterNumber],\r | |
682 | L"then") == 0) {\r | |
683 | *EndParameter = ParameterNumber - 1;\r | |
77dcec12 | 684 | *EndTag = EndTagThen;\r |
a405b86d | 685 | break;\r |
686 | }\r | |
687 | }\r | |
77dcec12 | 688 | if (*EndTag == EndTagMax) {\r |
a405b86d | 689 | return (FALSE);\r |
690 | }\r | |
691 | return (TRUE);\r | |
692 | }\r | |
693 | \r | |
77dcec12 | 694 | /**\r |
695 | Move the script file pointer to a different place in the script file.\r | |
696 | This one is special since it handles the if/else/endif syntax.\r | |
697 | \r | |
698 | @param[in] ScriptFile The script file from GetCurrnetScriptFile().\r | |
699 | \r | |
700 | @retval TRUE The move target was found and the move was successful.\r | |
701 | @retval FALSE Something went wrong.\r | |
702 | **/\r | |
a405b86d | 703 | BOOLEAN\r |
704 | EFIAPI\r | |
705 | MoveToTagSpecial (\r | |
706 | IN SCRIPT_FILE *ScriptFile\r | |
707 | )\r | |
708 | {\r | |
709 | SCRIPT_COMMAND_LIST *CommandNode;\r | |
710 | BOOLEAN Found;\r | |
711 | UINTN TargetCount;\r | |
712 | CHAR16 *CommandName;\r | |
713 | CHAR16 *CommandWalker;\r | |
714 | CHAR16 *TempLocation;\r | |
715 | \r | |
716 | TargetCount = 1;\r | |
717 | Found = FALSE;\r | |
718 | \r | |
719 | if (ScriptFile == NULL) {\r | |
720 | return FALSE;\r | |
721 | }\r | |
722 | \r | |
723 | for (CommandNode = (SCRIPT_COMMAND_LIST *)GetNextNode(&ScriptFile->CommandList, &ScriptFile->CurrentCommand->Link), Found = FALSE\r | |
724 | ; !IsNull(&ScriptFile->CommandList, &CommandNode->Link) && !Found\r | |
725 | ; CommandNode = (SCRIPT_COMMAND_LIST *)GetNextNode(&ScriptFile->CommandList, &CommandNode->Link)\r | |
726 | ){\r | |
727 | \r | |
728 | //\r | |
729 | // get just the first part of the command line...\r | |
730 | //\r | |
731 | CommandName = NULL;\r | |
732 | CommandName = StrnCatGrow(&CommandName, NULL, CommandNode->Cl, 0);\r | |
532691c8 | 733 | if (CommandName == NULL) {\r |
734 | continue;\r | |
735 | }\r | |
a405b86d | 736 | CommandWalker = CommandName;\r |
13acebbd CP |
737 | \r |
738 | //\r | |
739 | // Skip leading spaces and tabs.\r | |
740 | //\r | |
741 | while ((CommandWalker[0] == L' ') || (CommandWalker[0] == L'\t')) {\r | |
a405b86d | 742 | CommandWalker++;\r |
743 | }\r | |
744 | TempLocation = StrStr(CommandWalker, L" ");\r | |
745 | \r | |
746 | if (TempLocation != NULL) {\r | |
747 | *TempLocation = CHAR_NULL;\r | |
748 | }\r | |
749 | \r | |
750 | //\r | |
751 | // did we find a nested item ?\r | |
752 | //\r | |
753 | if (gUnicodeCollation->StriColl(\r | |
754 | gUnicodeCollation,\r | |
755 | (CHAR16*)CommandWalker,\r | |
756 | L"If") == 0) {\r | |
757 | TargetCount++;\r | |
758 | } else if (TargetCount == 1 && gUnicodeCollation->StriColl(\r | |
759 | gUnicodeCollation,\r | |
760 | (CHAR16*)CommandWalker,\r | |
761 | (CHAR16*)L"else") == 0) {\r | |
762 | //\r | |
763 | // else can only decrement the last part... not an nested if\r | |
764 | // hence the TargetCount compare added\r | |
765 | //\r | |
766 | TargetCount--;\r | |
767 | } else if (gUnicodeCollation->StriColl(\r | |
768 | gUnicodeCollation,\r | |
769 | (CHAR16*)CommandWalker,\r | |
770 | (CHAR16*)L"endif") == 0) {\r | |
771 | TargetCount--;\r | |
772 | }\r | |
773 | if (TargetCount == 0) {\r | |
774 | ScriptFile->CurrentCommand = (SCRIPT_COMMAND_LIST *)GetNextNode(&ScriptFile->CommandList, &CommandNode->Link);\r | |
775 | Found = TRUE;\r | |
776 | }\r | |
777 | \r | |
778 | //\r | |
779 | // Free the memory for this loop...\r | |
780 | //\r | |
781 | SHELL_FREE_NON_NULL(CommandName);\r | |
782 | }\r | |
783 | return (Found);\r | |
784 | }\r | |
785 | \r | |
77dcec12 | 786 | /**\r |
787 | Deal with the result of the if operation.\r | |
788 | \r | |
789 | @param[in] Result The result of the if.\r | |
790 | \r | |
791 | @retval EFI_SUCCESS The operation was successful.\r | |
792 | @retval EFI_NOT_FOUND The ending tag could not be found.\r | |
793 | **/\r | |
a405b86d | 794 | EFI_STATUS\r |
795 | EFIAPI\r | |
796 | PerformResultOperation (\r | |
797 | IN CONST BOOLEAN Result\r | |
798 | )\r | |
799 | {\r | |
800 | if (Result || MoveToTagSpecial(ShellCommandGetCurrentScriptFile())) {\r | |
801 | return (EFI_SUCCESS);\r | |
802 | }\r | |
803 | return (EFI_NOT_FOUND);\r | |
804 | }\r | |
805 | \r | |
806 | /**\r | |
807 | Function for 'if' command.\r | |
808 | \r | |
809 | @param[in] ImageHandle Handle to the Image (NULL if Internal).\r | |
810 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).\r | |
811 | **/\r | |
812 | SHELL_STATUS\r | |
813 | EFIAPI\r | |
814 | ShellCommandRunIf (\r | |
815 | IN EFI_HANDLE ImageHandle,\r | |
816 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
817 | )\r | |
818 | {\r | |
819 | EFI_STATUS Status;\r | |
820 | SHELL_STATUS ShellStatus;\r | |
821 | BOOLEAN CaseInsensitive;\r | |
822 | BOOLEAN ForceString;\r | |
823 | UINTN CurrentParameter;\r | |
824 | UINTN EndParameter;\r | |
825 | BOOLEAN CurrentValue;\r | |
826 | END_TAG_TYPE Ending;\r | |
827 | END_TAG_TYPE PreviousEnding;\r | |
ae724571 | 828 | SCRIPT_FILE *CurrentScriptFile;\r |
a405b86d | 829 | \r |
830 | Status = CommandInit();\r | |
831 | ASSERT_EFI_ERROR(Status);\r | |
832 | \r | |
833 | if (!gEfiShellProtocol->BatchIsActive()) {\r | |
0861edab | 834 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_NO_SCRIPT), gShellLevel1HiiHandle, L"if"); \r |
a405b86d | 835 | return (SHELL_UNSUPPORTED);\r |
836 | }\r | |
837 | \r | |
838 | if (gEfiShellParametersProtocol->Argc < 3) {\r | |
0861edab | 839 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel1HiiHandle, L"if"); \r |
a405b86d | 840 | return (SHELL_INVALID_PARAMETER);\r |
841 | }\r | |
842 | \r | |
843 | //\r | |
844 | // Make sure that an End exists.\r | |
845 | //\r | |
ae724571 | 846 | CurrentScriptFile = ShellCommandGetCurrentScriptFile();\r |
847 | if (!MoveToTag(GetNextNode, L"endif", L"if", NULL, CurrentScriptFile, TRUE, TRUE, FALSE)) {\r | |
33c031ee | 848 | ShellPrintHiiEx(\r |
849 | -1, \r | |
850 | -1, \r | |
851 | NULL, \r | |
852 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
853 | gShellLevel1HiiHandle, \r | |
13acebbd | 854 | L"EndIf", \r |
33c031ee | 855 | L"If", \r |
ae724571 | 856 | CurrentScriptFile!=NULL \r |
857 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
858 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 859 | return (SHELL_DEVICE_ERROR);\r |
860 | }\r | |
861 | \r | |
862 | //\r | |
863 | // initialize the shell lib (we must be in non-auto-init...)\r | |
864 | //\r | |
865 | Status = ShellInitialize();\r | |
866 | ASSERT_EFI_ERROR(Status);\r | |
867 | \r | |
868 | CurrentParameter = 1;\r | |
869 | EndParameter = 0;\r | |
870 | \r | |
871 | if (gUnicodeCollation->StriColl(\r | |
872 | gUnicodeCollation,\r | |
873 | gEfiShellParametersProtocol->Argv[1],\r | |
874 | L"/i") == 0 ||\r | |
875 | gUnicodeCollation->StriColl(\r | |
876 | gUnicodeCollation,\r | |
877 | gEfiShellParametersProtocol->Argv[2],\r | |
878 | L"/i") == 0 ||\r | |
879 | (gEfiShellParametersProtocol->Argc > 3 && gUnicodeCollation->StriColl(\r | |
880 | gUnicodeCollation,\r | |
881 | gEfiShellParametersProtocol->Argv[3],\r | |
882 | L"/i") == 0)) {\r | |
883 | CaseInsensitive = TRUE;\r | |
884 | CurrentParameter++;\r | |
885 | } else {\r | |
886 | CaseInsensitive = FALSE;\r | |
887 | }\r | |
888 | if (gUnicodeCollation->StriColl(\r | |
889 | gUnicodeCollation,\r | |
890 | gEfiShellParametersProtocol->Argv[1],\r | |
891 | L"/s") == 0 ||\r | |
892 | gUnicodeCollation->StriColl(\r | |
893 | gUnicodeCollation,\r | |
894 | gEfiShellParametersProtocol->Argv[2],\r | |
895 | L"/s") == 0 ||\r | |
896 | (gEfiShellParametersProtocol->Argc > 3 && gUnicodeCollation->StriColl(\r | |
897 | gUnicodeCollation,\r | |
898 | gEfiShellParametersProtocol->Argv[3],\r | |
899 | L"/s") == 0)) {\r | |
900 | ForceString = TRUE;\r | |
901 | CurrentParameter++;\r | |
902 | } else {\r | |
903 | ForceString = FALSE;\r | |
904 | }\r | |
905 | \r | |
77dcec12 | 906 | for ( ShellStatus = SHELL_SUCCESS, CurrentValue = FALSE, Ending = EndTagMax\r |
a405b86d | 907 | ; CurrentParameter < gEfiShellParametersProtocol->Argc && ShellStatus == SHELL_SUCCESS\r |
908 | ; CurrentParameter++) {\r | |
909 | if (gUnicodeCollation->StriColl(\r | |
910 | gUnicodeCollation,\r | |
911 | gEfiShellParametersProtocol->Argv[CurrentParameter],\r | |
912 | L"then") == 0) {\r | |
913 | //\r | |
914 | // we are at the then\r | |
915 | //\r | |
916 | if (CurrentParameter+1 != gEfiShellParametersProtocol->Argc) {\r | |
0861edab | 917 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_TEXT_AFTER_THEN), gShellLevel1HiiHandle, L"if"); \r |
a405b86d | 918 | ShellStatus = SHELL_INVALID_PARAMETER;\r |
919 | } else {\r | |
920 | Status = PerformResultOperation(CurrentValue);\r | |
921 | if (EFI_ERROR(Status)) {\r | |
0861edab | 922 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_AFTER_BAD), gShellLevel1HiiHandle, L"if", gEfiShellParametersProtocol->Argv[CurrentParameter]); \r |
a405b86d | 923 | ShellStatus = SHELL_INVALID_PARAMETER;\r |
924 | }\r | |
925 | }\r | |
926 | } else {\r | |
927 | PreviousEnding = Ending;\r | |
928 | //\r | |
929 | // build up the next statement for analysis\r | |
930 | //\r | |
931 | if (!BuildNextStatement(CurrentParameter, &EndParameter, &Ending)) {\r | |
ae724571 | 932 | CurrentScriptFile = ShellCommandGetCurrentScriptFile();\r |
933 | ShellPrintHiiEx(\r | |
934 | -1, \r | |
935 | -1, \r | |
936 | NULL, \r | |
937 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
938 | gShellLevel1HiiHandle, \r | |
939 | L"Then", \r | |
940 | L"If",\r | |
941 | CurrentScriptFile!=NULL \r | |
942 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
943 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 944 | ShellStatus = SHELL_INVALID_PARAMETER;\r |
945 | } else {\r | |
946 | //\r | |
947 | // Analyze the statement\r | |
948 | //\r | |
949 | Status = ProcessStatement(&CurrentValue, CurrentParameter, EndParameter, PreviousEnding, CaseInsensitive, ForceString);\r | |
950 | if (EFI_ERROR(Status)) {\r | |
951 | // ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_STARTING), gShellLevel1HiiHandle, gEfiShellParametersProtocol->Argv[CurrentParameter]);\r | |
952 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
953 | } else {\r | |
954 | //\r | |
955 | // Optomize to get out of the loop early...\r | |
956 | //\r | |
77dcec12 | 957 | if ((Ending == EndTagOr && CurrentValue) || (Ending == EndTagAnd && !CurrentValue)) {\r |
a405b86d | 958 | Status = PerformResultOperation(CurrentValue);\r |
959 | if (EFI_ERROR(Status)) {\r | |
0861edab | 960 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_AFTER_BAD), gShellLevel1HiiHandle, L"if", gEfiShellParametersProtocol->Argv[CurrentParameter]); \r |
a405b86d | 961 | ShellStatus = SHELL_INVALID_PARAMETER;\r |
962 | }\r | |
963 | break;\r | |
964 | }\r | |
965 | }\r | |
966 | }\r | |
967 | if (ShellStatus == SHELL_SUCCESS){\r | |
968 | CurrentParameter = EndParameter;\r | |
969 | //\r | |
970 | // Skip over the or or and parameter.\r | |
971 | //\r | |
77dcec12 | 972 | if (Ending == EndTagOr || Ending == EndTagAnd) {\r |
a405b86d | 973 | CurrentParameter++;\r |
974 | }\r | |
975 | }\r | |
976 | }\r | |
977 | }\r | |
978 | return (ShellStatus);\r | |
979 | }\r | |
980 | \r | |
981 | /**\r | |
982 | Function for 'else' command.\r | |
983 | \r | |
984 | @param[in] ImageHandle Handle to the Image (NULL if Internal).\r | |
985 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).\r | |
986 | **/\r | |
987 | SHELL_STATUS\r | |
988 | EFIAPI\r | |
989 | ShellCommandRunElse (\r | |
990 | IN EFI_HANDLE ImageHandle,\r | |
991 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
992 | )\r | |
993 | {\r | |
ae724571 | 994 | SCRIPT_FILE *CurrentScriptFile;\r |
a405b86d | 995 | ASSERT_EFI_ERROR(CommandInit());\r |
996 | \r | |
997 | if (gEfiShellParametersProtocol->Argc > 1) {\r | |
0861edab | 998 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel1HiiHandle, L"if"); \r |
a405b86d | 999 | return (SHELL_INVALID_PARAMETER);\r |
1000 | }\r | |
1001 | \r | |
1002 | if (!gEfiShellProtocol->BatchIsActive()) {\r | |
1003 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_NO_SCRIPT), gShellLevel1HiiHandle, L"Else");\r | |
1004 | return (SHELL_UNSUPPORTED);\r | |
1005 | }\r | |
1006 | \r | |
ae724571 | 1007 | CurrentScriptFile = ShellCommandGetCurrentScriptFile();\r |
a405b86d | 1008 | \r |
ae724571 | 1009 | if (!MoveToTag(GetPreviousNode, L"if", L"endif", NULL, CurrentScriptFile, FALSE, TRUE, FALSE)) {\r |
33c031ee | 1010 | ShellPrintHiiEx(\r |
1011 | -1, \r | |
1012 | -1, \r | |
1013 | NULL, \r | |
1014 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
1015 | gShellLevel1HiiHandle, \r | |
1016 | L"If", \r | |
1017 | L"Else", \r | |
ae724571 | 1018 | CurrentScriptFile!=NULL \r |
1019 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
1020 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 1021 | return (SHELL_DEVICE_ERROR);\r |
1022 | }\r | |
ae724571 | 1023 | if (!MoveToTag(GetPreviousNode, L"if", L"else", NULL, CurrentScriptFile, FALSE, TRUE, FALSE)) {\r |
33c031ee | 1024 | ShellPrintHiiEx(\r |
1025 | -1, \r | |
1026 | -1, \r | |
1027 | NULL, \r | |
1028 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
1029 | gShellLevel1HiiHandle, \r | |
1030 | L"If", \r | |
1031 | L"Else", \r | |
ae724571 | 1032 | CurrentScriptFile!=NULL \r |
1033 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
1034 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 1035 | return (SHELL_DEVICE_ERROR);\r |
1036 | }\r | |
1037 | \r | |
ae724571 | 1038 | if (!MoveToTag(GetNextNode, L"endif", L"if", NULL, CurrentScriptFile, FALSE, FALSE, FALSE)) {\r |
33c031ee | 1039 | ShellPrintHiiEx(\r |
1040 | -1, \r | |
1041 | -1, \r | |
1042 | NULL, \r | |
1043 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
1044 | gShellLevel1HiiHandle, \r | |
1045 | L"EndIf", \r | |
1046 | "Else", \r | |
ae724571 | 1047 | CurrentScriptFile!=NULL \r |
1048 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
1049 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 1050 | return (SHELL_DEVICE_ERROR);\r |
1051 | }\r | |
1052 | \r | |
1053 | return (SHELL_SUCCESS);\r | |
1054 | }\r | |
1055 | \r | |
1056 | /**\r | |
1057 | Function for 'endif' command.\r | |
1058 | \r | |
1059 | @param[in] ImageHandle Handle to the Image (NULL if Internal).\r | |
1060 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).\r | |
1061 | **/\r | |
1062 | SHELL_STATUS\r | |
1063 | EFIAPI\r | |
1064 | ShellCommandRunEndIf (\r | |
1065 | IN EFI_HANDLE ImageHandle,\r | |
1066 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
1067 | )\r | |
1068 | {\r | |
ae724571 | 1069 | SCRIPT_FILE *CurrentScriptFile;\r |
a405b86d | 1070 | ASSERT_EFI_ERROR(CommandInit());\r |
1071 | \r | |
1072 | if (gEfiShellParametersProtocol->Argc > 1) {\r | |
0861edab | 1073 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel1HiiHandle, L"if"); \r |
a405b86d | 1074 | return (SHELL_INVALID_PARAMETER);\r |
1075 | }\r | |
1076 | \r | |
1077 | if (!gEfiShellProtocol->BatchIsActive()) {\r | |
1078 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_NO_SCRIPT), gShellLevel1HiiHandle, L"Endif");\r | |
1079 | return (SHELL_UNSUPPORTED);\r | |
1080 | }\r | |
1081 | \r | |
ae724571 | 1082 | CurrentScriptFile = ShellCommandGetCurrentScriptFile();\r |
1083 | if (!MoveToTag(GetPreviousNode, L"if", L"endif", NULL, CurrentScriptFile, FALSE, TRUE, FALSE)) {\r | |
33c031ee | 1084 | ShellPrintHiiEx(\r |
1085 | -1, \r | |
1086 | -1, \r | |
1087 | NULL, \r | |
1088 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
1089 | gShellLevel1HiiHandle, \r | |
1090 | L"If", \r | |
1091 | L"EndIf", \r | |
ae724571 | 1092 | CurrentScriptFile!=NULL \r |
1093 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
1094 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 1095 | return (SHELL_DEVICE_ERROR);\r |
1096 | }\r | |
1097 | \r | |
1098 | return (SHELL_SUCCESS);\r | |
1099 | }\r |