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a405b86d | 1 | /** @file\r |
2 | Main file for If and else shell level 1 function.\r | |
3 | \r | |
77dcec12 | 4 | Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>\r |
a405b86d | 5 | This program and the accompanying materials\r |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include "UefiShellLevel1CommandsLib.h"\r | |
16 | #include <Library/PrintLib.h>\r | |
ab94587a | 17 | #include <Library/PathLib.h>\r |
a405b86d | 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 | |
169 | break;\r | |
77dcec12 | 170 | case OperatorUnsignedLessThan:\r |
171 | case OperatorLessThan:\r | |
a405b86d | 172 | if (ForceStringCompare || !ShellIsHexOrDecimalNumber(Compare1, FALSE, FALSE) || !ShellIsHexOrDecimalNumber(Compare2, FALSE, FALSE)) {\r |
173 | //\r | |
174 | // string compare\r | |
175 | //\r | |
176 | if ((CaseInsensitive && StringNoCaseCompare(&Compare1, &Compare2) < 0) || (StringCompare(&Compare1, &Compare2) < 0)) {\r | |
177 | return (TRUE);\r | |
178 | }\r | |
179 | } else {\r | |
180 | //\r | |
181 | // numeric compare\r | |
182 | //\r | |
183 | if (Compare1[0] == L'-') {\r | |
77dcec12 | 184 | Cmp1 = 0 - (INTN)ShellStrToUintn(Compare1+1);\r |
a405b86d | 185 | } else {\r |
77dcec12 | 186 | Cmp1 = (INTN)ShellStrToUintn(Compare1);\r |
a405b86d | 187 | }\r |
188 | if (Compare2[0] == L'-') {\r | |
77dcec12 | 189 | Cmp2 = 0 - (INTN)ShellStrToUintn(Compare2+1);\r |
a405b86d | 190 | } else {\r |
77dcec12 | 191 | Cmp2 = (INTN)ShellStrToUintn(Compare2);\r |
a405b86d | 192 | }\r |
77dcec12 | 193 | if (BinOp == OperatorLessThan) {\r |
a405b86d | 194 | if (Cmp1 < Cmp2) {\r |
195 | return (TRUE);\r | |
196 | }\r | |
197 | } else {\r | |
198 | if ((UINTN)Cmp1 < (UINTN)Cmp2) {\r | |
199 | return (TRUE);\r | |
200 | }\r | |
201 | }\r | |
202 | \r | |
203 | }\r | |
204 | return (FALSE);\r | |
205 | break;\r | |
77dcec12 | 206 | case OperatorEqual:\r |
a405b86d | 207 | if (ForceStringCompare || !ShellIsHexOrDecimalNumber(Compare1, FALSE, FALSE) || !ShellIsHexOrDecimalNumber(Compare2, FALSE, FALSE)) {\r |
208 | //\r | |
209 | // string compare\r | |
210 | //\r | |
211 | if ((CaseInsensitive && StringNoCaseCompare(&Compare1, &Compare2) == 0) || (StringCompare(&Compare1, &Compare2) == 0)) {\r | |
212 | return (TRUE);\r | |
213 | }\r | |
214 | } else {\r | |
215 | //\r | |
216 | // numeric compare\r | |
217 | //\r | |
218 | if (Compare1[0] == L'-') {\r | |
219 | Cmp1 = 0 - (INTN)ShellStrToUintn(Compare1+1);\r | |
220 | } else {\r | |
221 | Cmp1 = (INTN)ShellStrToUintn(Compare1);\r | |
222 | }\r | |
223 | if (Compare2[0] == L'-') {\r | |
224 | Cmp2 = 0 - (INTN)ShellStrToUintn(Compare2+1);\r | |
225 | } else {\r | |
226 | Cmp2 = (INTN)ShellStrToUintn(Compare2);\r | |
227 | }\r | |
228 | if (Cmp1 == Cmp2) {\r | |
229 | return (TRUE);\r | |
230 | }\r | |
231 | }\r | |
232 | return (FALSE);\r | |
233 | break;\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 | |
261 | break;\r | |
77dcec12 | 262 | case OperatorUnsignedGreaterOrEqual:\r |
263 | case OperatorGreatorOrEqual:\r | |
a405b86d | 264 | if (ForceStringCompare || !ShellIsHexOrDecimalNumber(Compare1, FALSE, FALSE) || !ShellIsHexOrDecimalNumber(Compare2, FALSE, FALSE)) {\r |
265 | //\r | |
266 | // string compare\r | |
267 | //\r | |
268 | if ((CaseInsensitive && StringNoCaseCompare(&Compare1, &Compare2) >= 0) || (StringCompare(&Compare1, &Compare2) >= 0)) {\r | |
269 | return (TRUE);\r | |
270 | }\r | |
271 | } else {\r | |
272 | //\r | |
273 | // numeric compare\r | |
274 | //\r | |
275 | if (Compare1[0] == L'-') {\r | |
77dcec12 | 276 | Cmp1 = 0 - (INTN)ShellStrToUintn(Compare1+1);\r |
a405b86d | 277 | } else {\r |
77dcec12 | 278 | Cmp1 = (INTN)ShellStrToUintn(Compare1);\r |
a405b86d | 279 | }\r |
280 | if (Compare2[0] == L'-') {\r | |
77dcec12 | 281 | Cmp2 = 0 - (INTN)ShellStrToUintn(Compare2+1);\r |
a405b86d | 282 | } else {\r |
77dcec12 | 283 | Cmp2 = (INTN)ShellStrToUintn(Compare2);\r |
a405b86d | 284 | }\r |
77dcec12 | 285 | if (BinOp == OperatorGreatorOrEqual) {\r |
a405b86d | 286 | if (Cmp1 >= Cmp2) {\r |
287 | return (TRUE);\r | |
288 | }\r | |
289 | } else {\r | |
290 | if ((UINTN)Cmp1 >= (UINTN)Cmp2) {\r | |
291 | return (TRUE);\r | |
292 | }\r | |
293 | }\r | |
294 | }\r | |
295 | return (FALSE);\r | |
296 | break;\r | |
77dcec12 | 297 | case OperatorLessOrEqual:\r |
298 | case OperatorUnsignedLessOrEqual:\r | |
a405b86d | 299 | if (ForceStringCompare || !ShellIsHexOrDecimalNumber(Compare1, FALSE, FALSE) || !ShellIsHexOrDecimalNumber(Compare2, FALSE, FALSE)) {\r |
300 | //\r | |
301 | // string compare\r | |
302 | //\r | |
303 | if ((CaseInsensitive && StringNoCaseCompare(&Compare1, &Compare2) <= 0) || (StringCompare(&Compare1, &Compare2) <= 0)) {\r | |
304 | return (TRUE);\r | |
305 | }\r | |
306 | } else {\r | |
307 | //\r | |
308 | // numeric compare\r | |
309 | //\r | |
310 | if (Compare1[0] == L'-') {\r | |
77dcec12 | 311 | Cmp1 = 0 - (INTN)ShellStrToUintn(Compare1+1);\r |
a405b86d | 312 | } else {\r |
77dcec12 | 313 | Cmp1 = (INTN)ShellStrToUintn(Compare1);\r |
a405b86d | 314 | }\r |
315 | if (Compare2[0] == L'-') {\r | |
77dcec12 | 316 | Cmp2 = 0 - (INTN)ShellStrToUintn(Compare2+1);\r |
a405b86d | 317 | } else {\r |
77dcec12 | 318 | Cmp2 = (INTN)ShellStrToUintn(Compare2);\r |
a405b86d | 319 | }\r |
77dcec12 | 320 | if (BinOp == OperatorLessOrEqual) {\r |
a405b86d | 321 | if (Cmp1 <= Cmp2) {\r |
322 | return (TRUE);\r | |
323 | }\r | |
324 | } else {\r | |
325 | if ((UINTN)Cmp1 <= (UINTN)Cmp2) {\r | |
326 | return (TRUE);\r | |
327 | }\r | |
328 | }\r | |
329 | }\r | |
330 | return (FALSE);\r | |
331 | break;\r | |
e9723321 | 332 | default:\r |
333 | ASSERT(FALSE);\r | |
334 | return (FALSE);\r | |
a405b86d | 335 | }\r |
a405b86d | 336 | }\r |
337 | \r | |
77dcec12 | 338 | /**\r |
339 | Process an if statement and determine if its is valid or not.\r | |
340 | \r | |
4ff7e37b ED |
341 | @param[in, out] PassingState Opon entry, the current state. Upon exit, \r |
342 | the new state.\r | |
343 | @param[in] StartParameterNumber The number of the first parameter of\r | |
344 | this statement.\r | |
345 | @param[in] EndParameterNumber The number of the final parameter of\r | |
346 | this statement.\r | |
347 | @param[in] OperatorToUse The type of termination operator.\r | |
348 | @param[in] CaseInsensitive TRUE for case insensitive, FALSE otherwise.\r | |
349 | @param[in] ForceStringCompare TRUE for all string based, FALSE otherwise.\r | |
77dcec12 | 350 | \r |
351 | @retval EFI_INVALID_PARAMETER A parameter was invalid.\r | |
352 | @retval EFI_SUCCESS The operation was successful. \r | |
353 | **/\r | |
a405b86d | 354 | EFI_STATUS\r |
355 | EFIAPI\r | |
356 | ProcessStatement (\r | |
357 | IN OUT BOOLEAN *PassingState,\r | |
358 | IN UINTN StartParameterNumber,\r | |
359 | IN UINTN EndParameterNumber,\r | |
360 | IN CONST END_TAG_TYPE OperatorToUse,\r | |
361 | IN CONST BOOLEAN CaseInsensitive,\r | |
362 | IN CONST BOOLEAN ForceStringCompare\r | |
363 | )\r | |
364 | {\r | |
365 | EFI_STATUS Status;\r | |
366 | BOOLEAN OperationResult;\r | |
367 | BOOLEAN NotPresent;\r | |
368 | CHAR16 *StatementWalker;\r | |
369 | BIN_OPERATOR_TYPE BinOp;\r | |
370 | CHAR16 *Compare1;\r | |
371 | CHAR16 *Compare2;\r | |
372 | CHAR16 HexString[20];\r | |
373 | CHAR16 *TempSpot;\r | |
374 | \r | |
77dcec12 | 375 | ASSERT((END_TAG_TYPE)OperatorToUse != EndTagThen);\r |
a405b86d | 376 | \r |
377 | Status = EFI_SUCCESS;\r | |
77dcec12 | 378 | BinOp = OperatorMax;\r |
a405b86d | 379 | OperationResult = FALSE;\r |
380 | StatementWalker = gEfiShellParametersProtocol->Argv[StartParameterNumber];\r | |
381 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"not")) {\r | |
382 | NotPresent = TRUE;\r | |
383 | StatementWalker = gEfiShellParametersProtocol->Argv[++StartParameterNumber];\r | |
384 | } else {\r | |
385 | NotPresent = FALSE;\r | |
386 | }\r | |
387 | \r | |
388 | //\r | |
389 | // now check for 'boolfunc' operators\r | |
390 | //\r | |
391 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"isint")) {\r | |
392 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && StatementWalker[StrLen(StatementWalker)-1] == L')') {\r | |
393 | StatementWalker[StrLen(StatementWalker)-1] = CHAR_NULL;\r | |
394 | OperationResult = ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE);\r | |
395 | } else {\r | |
396 | Status = EFI_INVALID_PARAMETER;\r | |
397 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"isint");\r | |
398 | }\r | |
399 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"exists") || IsNextFragment((CONST CHAR16**)(&StatementWalker), L"exist")) {\r | |
400 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && StatementWalker[StrLen(StatementWalker)-1] == L')') {\r | |
401 | StatementWalker[StrLen(StatementWalker)-1] = CHAR_NULL;\r | |
402 | //\r | |
403 | // is what remains a file in CWD???\r | |
404 | //\r | |
405 | OperationResult = (BOOLEAN)(ShellFileExists(StatementWalker)==EFI_SUCCESS);\r | |
406 | } else if (StatementWalker[0] == CHAR_NULL && StartParameterNumber+1 == EndParameterNumber) {\r | |
407 | OperationResult = (BOOLEAN)(ShellFileExists(gEfiShellParametersProtocol->Argv[++StartParameterNumber])==EFI_SUCCESS);\r | |
408 | } else {\r | |
409 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"exist(s)");\r | |
410 | Status = EFI_INVALID_PARAMETER;\r | |
411 | }\r | |
412 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"available")) {\r | |
413 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && StatementWalker[StrLen(StatementWalker)-1] == L')') {\r | |
414 | StatementWalker[StrLen(StatementWalker)-1] = CHAR_NULL;\r | |
415 | //\r | |
416 | // is what remains a file in the CWD or path???\r | |
417 | //\r | |
418 | OperationResult = (BOOLEAN)(ShellIsFileInPath(StatementWalker)==EFI_SUCCESS);\r | |
419 | } else {\r | |
420 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"available");\r | |
421 | Status = EFI_INVALID_PARAMETER;\r | |
422 | }\r | |
423 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"profile")) {\r | |
424 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && StatementWalker[StrLen(StatementWalker)-1] == L')') {\r | |
425 | //\r | |
426 | // Chop off that ')'\r | |
427 | //\r | |
428 | StatementWalker[StrLen(StatementWalker)-1] = CHAR_NULL;\r | |
429 | OperationResult = IsValidProfile(StatementWalker);\r | |
430 | } else {\r | |
431 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"profile");\r | |
432 | Status = EFI_INVALID_PARAMETER;\r | |
433 | }\r | |
434 | } else if (StartParameterNumber+1 >= EndParameterNumber) {\r | |
435 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, gEfiShellParametersProtocol->Argv[StartParameterNumber]);\r | |
436 | Status = EFI_INVALID_PARAMETER;\r | |
437 | } else {\r | |
438 | //\r | |
439 | // must be 'item binop item' style\r | |
440 | //\r | |
441 | Compare1 = NULL;\r | |
442 | Compare2 = NULL;\r | |
77dcec12 | 443 | BinOp = OperatorMax;\r |
a405b86d | 444 | \r |
445 | //\r | |
446 | // get the first item\r | |
447 | //\r | |
448 | StatementWalker = gEfiShellParametersProtocol->Argv[StartParameterNumber];\r | |
449 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"efierror")) {\r | |
450 | TempSpot = StrStr(StatementWalker, L")");\r | |
451 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && TempSpot != NULL) {\r | |
452 | *TempSpot = CHAR_NULL;\r | |
453 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
454 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT);\r | |
455 | ASSERT(Compare1 == NULL);\r | |
456 | Compare1 = StrnCatGrow(&Compare1, NULL, HexString, 0);\r | |
457 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
458 | } else {\r | |
459 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"efierror");\r | |
460 | Status = EFI_INVALID_PARAMETER;\r | |
461 | }\r | |
462 | } else {\r | |
463 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"efierror");\r | |
464 | Status = EFI_INVALID_PARAMETER;\r | |
465 | }\r | |
466 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"pierror")) {\r | |
467 | TempSpot = StrStr(StatementWalker, L")");\r | |
468 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && TempSpot != NULL) {\r | |
469 | *TempSpot = CHAR_NULL;\r | |
470 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
471 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT|(MAX_BIT>>2));\r | |
472 | ASSERT(Compare1 == NULL);\r | |
473 | Compare1 = StrnCatGrow(&Compare1, NULL, HexString, 0);\r | |
474 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
475 | } else {\r | |
476 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"pierror");\r | |
477 | Status = EFI_INVALID_PARAMETER;\r | |
478 | }\r | |
479 | } else {\r | |
480 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"pierror");\r | |
481 | Status = EFI_INVALID_PARAMETER;\r | |
482 | }\r | |
483 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"oemerror")) {\r | |
484 | TempSpot = StrStr(StatementWalker, L")");\r | |
485 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && TempSpot != NULL) {\r | |
486 | TempSpot = CHAR_NULL;\r | |
487 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
488 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT|(MAX_BIT>>1));\r | |
489 | ASSERT(Compare1 == NULL);\r | |
490 | Compare1 = StrnCatGrow(&Compare1, NULL, HexString, 0);\r | |
491 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
492 | } else {\r | |
493 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"oemerror");\r | |
494 | Status = EFI_INVALID_PARAMETER;\r | |
495 | }\r | |
496 | } else {\r | |
497 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"oemerror");\r | |
498 | Status = EFI_INVALID_PARAMETER;\r | |
499 | }\r | |
500 | } else {\r | |
501 | ASSERT(Compare1 == NULL);\r | |
502 | if (EndParameterNumber - StartParameterNumber > 2) {\r | |
503 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_STARTING), gShellLevel1HiiHandle, gEfiShellParametersProtocol->Argv[StartParameterNumber+2]);\r | |
504 | Status = EFI_INVALID_PARAMETER;\r | |
505 | } else {\r | |
506 | //\r | |
507 | // must be a raw string\r | |
508 | //\r | |
509 | Compare1 = StrnCatGrow(&Compare1, NULL, StatementWalker, 0);\r | |
510 | }\r | |
511 | }\r | |
512 | \r | |
513 | //\r | |
514 | // get the operator\r | |
515 | //\r | |
516 | ASSERT(StartParameterNumber+1<EndParameterNumber);\r | |
517 | StatementWalker = gEfiShellParametersProtocol->Argv[StartParameterNumber+1];\r | |
518 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"gt")) {\r | |
77dcec12 | 519 | BinOp = OperatorGreaterThan;\r |
a405b86d | 520 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"lt")) {\r |
77dcec12 | 521 | BinOp = OperatorLessThan;\r |
a405b86d | 522 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"eq")) {\r |
77dcec12 | 523 | BinOp = OperatorEqual;\r |
a405b86d | 524 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"ne")) {\r |
77dcec12 | 525 | BinOp = OperatorNotEqual;\r |
a405b86d | 526 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"ge")) {\r |
77dcec12 | 527 | BinOp = OperatorGreatorOrEqual;\r |
a405b86d | 528 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"le")) {\r |
77dcec12 | 529 | BinOp = OperatorLessOrEqual;\r |
a405b86d | 530 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"==")) {\r |
77dcec12 | 531 | BinOp = OperatorEqual;\r |
a405b86d | 532 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"ugt")) {\r |
77dcec12 | 533 | BinOp = OperatorUnisgnedGreaterThan;\r |
a405b86d | 534 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"ult")) {\r |
77dcec12 | 535 | BinOp = OperatorUnsignedLessThan;\r |
a405b86d | 536 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"uge")) {\r |
77dcec12 | 537 | BinOp = OperatorUnsignedGreaterOrEqual;\r |
a405b86d | 538 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"ule")) {\r |
77dcec12 | 539 | BinOp = OperatorUnsignedLessOrEqual;\r |
a405b86d | 540 | } else {\r |
541 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_INVALID_BINOP), gShellLevel1HiiHandle, StatementWalker);\r | |
542 | Status = EFI_INVALID_PARAMETER;\r | |
543 | }\r | |
544 | \r | |
545 | //\r | |
546 | // get the second item\r | |
547 | //\r | |
548 | ASSERT(StartParameterNumber+2<=EndParameterNumber);\r | |
549 | StatementWalker = gEfiShellParametersProtocol->Argv[StartParameterNumber+2];\r | |
550 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"efierror")) {\r | |
551 | TempSpot = StrStr(StatementWalker, L")");\r | |
552 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && TempSpot != NULL) {\r | |
553 | TempSpot = CHAR_NULL;\r | |
554 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
555 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT);\r | |
556 | ASSERT(Compare2 == NULL);\r | |
557 | Compare2 = StrnCatGrow(&Compare2, NULL, HexString, 0);\r | |
558 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
559 | } else {\r | |
560 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"efierror");\r | |
561 | Status = EFI_INVALID_PARAMETER;\r | |
562 | }\r | |
563 | } else {\r | |
564 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"efierror");\r | |
565 | Status = EFI_INVALID_PARAMETER;\r | |
566 | }\r | |
567 | //\r | |
568 | // can this be collapsed into the above?\r | |
569 | //\r | |
570 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"pierror")) {\r | |
571 | TempSpot = StrStr(StatementWalker, L")");\r | |
572 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && TempSpot != NULL) {\r | |
573 | TempSpot = CHAR_NULL;\r | |
574 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
575 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT|(MAX_BIT>>2));\r | |
576 | ASSERT(Compare2 == NULL);\r | |
577 | Compare2 = StrnCatGrow(&Compare2, NULL, HexString, 0);\r | |
578 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
579 | } else {\r | |
580 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"pierror");\r | |
581 | Status = EFI_INVALID_PARAMETER;\r | |
582 | }\r | |
583 | } else {\r | |
584 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"pierror");\r | |
585 | Status = EFI_INVALID_PARAMETER;\r | |
586 | }\r | |
587 | } else if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"oemerror")) {\r | |
588 | TempSpot = StrStr(StatementWalker, L")");\r | |
589 | if (IsNextFragment((CONST CHAR16**)(&StatementWalker), L"(") && TempSpot != NULL) {\r | |
590 | TempSpot = CHAR_NULL;\r | |
591 | if (ShellIsHexOrDecimalNumber(StatementWalker, FALSE, FALSE)) {\r | |
592 | UnicodeSPrint(HexString, sizeof(HexString), L"0x%x", ShellStrToUintn(StatementWalker)|MAX_BIT|(MAX_BIT>>1));\r | |
593 | ASSERT(Compare2 == NULL);\r | |
594 | Compare2 = StrnCatGrow(&Compare2, NULL, HexString, 0);\r | |
595 | StatementWalker += StrLen(StatementWalker) + 1;\r | |
596 | } else {\r | |
597 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"oemerror");\r | |
598 | Status = EFI_INVALID_PARAMETER;\r | |
599 | }\r | |
600 | } else {\r | |
601 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_IN), gShellLevel1HiiHandle, L"oemerror");\r | |
602 | Status = EFI_INVALID_PARAMETER;\r | |
603 | }\r | |
604 | } else {\r | |
605 | //\r | |
606 | // must be a raw string\r | |
607 | //\r | |
608 | ASSERT(Compare2 == NULL);\r | |
609 | Compare2 = StrnCatGrow(&Compare2, NULL, StatementWalker, 0);\r | |
610 | }\r | |
611 | \r | |
77dcec12 | 612 | if (Compare1 != NULL && Compare2 != NULL && BinOp != OperatorMax) {\r |
a405b86d | 613 | OperationResult = TestOperation(Compare1, Compare2, BinOp, CaseInsensitive, ForceStringCompare);\r |
614 | }\r | |
615 | \r | |
616 | SHELL_FREE_NON_NULL(Compare1);\r | |
617 | SHELL_FREE_NON_NULL(Compare2);\r | |
618 | }\r | |
619 | \r | |
620 | //\r | |
621 | // done processing do result...\r | |
622 | //\r | |
623 | \r | |
624 | if (!EFI_ERROR(Status)) {\r | |
625 | if (NotPresent) {\r | |
626 | OperationResult = (BOOLEAN)(!OperationResult);\r | |
627 | }\r | |
628 | switch(OperatorToUse) {\r | |
77dcec12 | 629 | case EndTagOr:\r |
a405b86d | 630 | *PassingState = (BOOLEAN)(*PassingState || OperationResult);\r |
631 | break;\r | |
77dcec12 | 632 | case EndTagAnd:\r |
a405b86d | 633 | *PassingState = (BOOLEAN)(*PassingState && OperationResult);\r |
634 | break;\r | |
77dcec12 | 635 | case EndTagMax:\r |
a405b86d | 636 | *PassingState = (BOOLEAN)(OperationResult);\r |
637 | break;\r | |
638 | default:\r | |
639 | ASSERT(FALSE);\r | |
640 | }\r | |
641 | }\r | |
642 | return (Status);\r | |
643 | }\r | |
644 | \r | |
77dcec12 | 645 | /**\r |
646 | Break up the next part of the if statement (until the next 'and', 'or', or 'then').\r | |
647 | \r | |
648 | @param[in] ParameterNumber The current parameter number.\r | |
649 | @param[out] EndParameter Upon successful return, will point to the \r | |
650 | parameter to start the next iteration with.\r | |
651 | @param[out] EndTag Upon successful return, will point to the \r | |
652 | type that was found at the end of this statement.\r | |
653 | \r | |
654 | @retval TRUE A valid statement was found.\r | |
655 | @retval FALSE A valid statement was not found.\r | |
656 | **/\r | |
a405b86d | 657 | BOOLEAN\r |
658 | EFIAPI\r | |
659 | BuildNextStatement (\r | |
660 | IN UINTN ParameterNumber,\r | |
661 | OUT UINTN *EndParameter,\r | |
662 | OUT END_TAG_TYPE *EndTag\r | |
663 | )\r | |
664 | {\r | |
665 | CHAR16 *Buffer;\r | |
666 | UINTN BufferSize;\r | |
667 | \r | |
77dcec12 | 668 | *EndTag = EndTagMax;\r |
a405b86d | 669 | \r |
670 | for(Buffer = NULL, BufferSize = 0\r | |
671 | ; ParameterNumber < gEfiShellParametersProtocol->Argc\r | |
672 | ; ParameterNumber++\r | |
673 | ) {\r | |
674 | if (gUnicodeCollation->StriColl(\r | |
675 | gUnicodeCollation,\r | |
676 | gEfiShellParametersProtocol->Argv[ParameterNumber],\r | |
677 | L"or") == 0) {\r | |
678 | *EndParameter = ParameterNumber - 1;\r | |
77dcec12 | 679 | *EndTag = EndTagOr;\r |
a405b86d | 680 | break;\r |
681 | } else if (gUnicodeCollation->StriColl(\r | |
682 | gUnicodeCollation,\r | |
683 | gEfiShellParametersProtocol->Argv[ParameterNumber],\r | |
684 | L"and") == 0) {\r | |
685 | *EndParameter = ParameterNumber - 1;\r | |
77dcec12 | 686 | *EndTag = EndTagAnd;\r |
a405b86d | 687 | break;\r |
688 | } else if (gUnicodeCollation->StriColl(\r | |
689 | gUnicodeCollation,\r | |
690 | gEfiShellParametersProtocol->Argv[ParameterNumber],\r | |
691 | L"then") == 0) {\r | |
692 | *EndParameter = ParameterNumber - 1;\r | |
77dcec12 | 693 | *EndTag = EndTagThen;\r |
a405b86d | 694 | break;\r |
695 | }\r | |
696 | }\r | |
77dcec12 | 697 | if (*EndTag == EndTagMax) {\r |
a405b86d | 698 | return (FALSE);\r |
699 | }\r | |
700 | return (TRUE);\r | |
701 | }\r | |
702 | \r | |
77dcec12 | 703 | /**\r |
704 | Move the script file pointer to a different place in the script file.\r | |
705 | This one is special since it handles the if/else/endif syntax.\r | |
706 | \r | |
707 | @param[in] ScriptFile The script file from GetCurrnetScriptFile().\r | |
708 | \r | |
709 | @retval TRUE The move target was found and the move was successful.\r | |
710 | @retval FALSE Something went wrong.\r | |
711 | **/\r | |
a405b86d | 712 | BOOLEAN\r |
713 | EFIAPI\r | |
714 | MoveToTagSpecial (\r | |
715 | IN SCRIPT_FILE *ScriptFile\r | |
716 | )\r | |
717 | {\r | |
718 | SCRIPT_COMMAND_LIST *CommandNode;\r | |
719 | BOOLEAN Found;\r | |
720 | UINTN TargetCount;\r | |
721 | CHAR16 *CommandName;\r | |
722 | CHAR16 *CommandWalker;\r | |
723 | CHAR16 *TempLocation;\r | |
724 | \r | |
725 | TargetCount = 1;\r | |
726 | Found = FALSE;\r | |
727 | \r | |
728 | if (ScriptFile == NULL) {\r | |
729 | return FALSE;\r | |
730 | }\r | |
731 | \r | |
732 | for (CommandNode = (SCRIPT_COMMAND_LIST *)GetNextNode(&ScriptFile->CommandList, &ScriptFile->CurrentCommand->Link), Found = FALSE\r | |
733 | ; !IsNull(&ScriptFile->CommandList, &CommandNode->Link) && !Found\r | |
734 | ; CommandNode = (SCRIPT_COMMAND_LIST *)GetNextNode(&ScriptFile->CommandList, &CommandNode->Link)\r | |
735 | ){\r | |
736 | \r | |
737 | //\r | |
738 | // get just the first part of the command line...\r | |
739 | //\r | |
740 | CommandName = NULL;\r | |
741 | CommandName = StrnCatGrow(&CommandName, NULL, CommandNode->Cl, 0);\r | |
532691c8 | 742 | if (CommandName == NULL) {\r |
743 | continue;\r | |
744 | }\r | |
a405b86d | 745 | CommandWalker = CommandName;\r |
746 | while (CommandWalker[0] == L' ') {\r | |
747 | CommandWalker++;\r | |
748 | }\r | |
749 | TempLocation = StrStr(CommandWalker, L" ");\r | |
750 | \r | |
751 | if (TempLocation != NULL) {\r | |
752 | *TempLocation = CHAR_NULL;\r | |
753 | }\r | |
754 | \r | |
755 | //\r | |
756 | // did we find a nested item ?\r | |
757 | //\r | |
758 | if (gUnicodeCollation->StriColl(\r | |
759 | gUnicodeCollation,\r | |
760 | (CHAR16*)CommandWalker,\r | |
761 | L"If") == 0) {\r | |
762 | TargetCount++;\r | |
763 | } else if (TargetCount == 1 && gUnicodeCollation->StriColl(\r | |
764 | gUnicodeCollation,\r | |
765 | (CHAR16*)CommandWalker,\r | |
766 | (CHAR16*)L"else") == 0) {\r | |
767 | //\r | |
768 | // else can only decrement the last part... not an nested if\r | |
769 | // hence the TargetCount compare added\r | |
770 | //\r | |
771 | TargetCount--;\r | |
772 | } else if (gUnicodeCollation->StriColl(\r | |
773 | gUnicodeCollation,\r | |
774 | (CHAR16*)CommandWalker,\r | |
775 | (CHAR16*)L"endif") == 0) {\r | |
776 | TargetCount--;\r | |
777 | }\r | |
778 | if (TargetCount == 0) {\r | |
779 | ScriptFile->CurrentCommand = (SCRIPT_COMMAND_LIST *)GetNextNode(&ScriptFile->CommandList, &CommandNode->Link);\r | |
780 | Found = TRUE;\r | |
781 | }\r | |
782 | \r | |
783 | //\r | |
784 | // Free the memory for this loop...\r | |
785 | //\r | |
786 | SHELL_FREE_NON_NULL(CommandName);\r | |
787 | }\r | |
788 | return (Found);\r | |
789 | }\r | |
790 | \r | |
77dcec12 | 791 | /**\r |
792 | Deal with the result of the if operation.\r | |
793 | \r | |
794 | @param[in] Result The result of the if.\r | |
795 | \r | |
796 | @retval EFI_SUCCESS The operation was successful.\r | |
797 | @retval EFI_NOT_FOUND The ending tag could not be found.\r | |
798 | **/\r | |
a405b86d | 799 | EFI_STATUS\r |
800 | EFIAPI\r | |
801 | PerformResultOperation (\r | |
802 | IN CONST BOOLEAN Result\r | |
803 | )\r | |
804 | {\r | |
805 | if (Result || MoveToTagSpecial(ShellCommandGetCurrentScriptFile())) {\r | |
806 | return (EFI_SUCCESS);\r | |
807 | }\r | |
808 | return (EFI_NOT_FOUND);\r | |
809 | }\r | |
810 | \r | |
811 | /**\r | |
812 | Function for 'if' command.\r | |
813 | \r | |
814 | @param[in] ImageHandle Handle to the Image (NULL if Internal).\r | |
815 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).\r | |
816 | **/\r | |
817 | SHELL_STATUS\r | |
818 | EFIAPI\r | |
819 | ShellCommandRunIf (\r | |
820 | IN EFI_HANDLE ImageHandle,\r | |
821 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
822 | )\r | |
823 | {\r | |
824 | EFI_STATUS Status;\r | |
825 | SHELL_STATUS ShellStatus;\r | |
826 | BOOLEAN CaseInsensitive;\r | |
827 | BOOLEAN ForceString;\r | |
828 | UINTN CurrentParameter;\r | |
829 | UINTN EndParameter;\r | |
830 | BOOLEAN CurrentValue;\r | |
831 | END_TAG_TYPE Ending;\r | |
832 | END_TAG_TYPE PreviousEnding;\r | |
ae724571 | 833 | SCRIPT_FILE *CurrentScriptFile;\r |
a405b86d | 834 | \r |
835 | Status = CommandInit();\r | |
836 | ASSERT_EFI_ERROR(Status);\r | |
837 | \r | |
838 | if (!gEfiShellProtocol->BatchIsActive()) {\r | |
839 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_NO_SCRIPT), gShellLevel1HiiHandle, L"If");\r | |
840 | return (SHELL_UNSUPPORTED);\r | |
841 | }\r | |
842 | \r | |
843 | if (gEfiShellParametersProtocol->Argc < 3) {\r | |
844 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel1HiiHandle);\r | |
845 | return (SHELL_INVALID_PARAMETER);\r | |
846 | }\r | |
847 | \r | |
848 | //\r | |
849 | // Make sure that an End exists.\r | |
850 | //\r | |
ae724571 | 851 | CurrentScriptFile = ShellCommandGetCurrentScriptFile();\r |
852 | if (!MoveToTag(GetNextNode, L"endif", L"if", NULL, CurrentScriptFile, TRUE, TRUE, FALSE)) {\r | |
33c031ee | 853 | ShellPrintHiiEx(\r |
854 | -1, \r | |
855 | -1, \r | |
856 | NULL, \r | |
857 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
858 | gShellLevel1HiiHandle, \r | |
859 | L"EnfIf", \r | |
860 | L"If", \r | |
ae724571 | 861 | CurrentScriptFile!=NULL \r |
862 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
863 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 864 | return (SHELL_DEVICE_ERROR);\r |
865 | }\r | |
866 | \r | |
867 | //\r | |
868 | // initialize the shell lib (we must be in non-auto-init...)\r | |
869 | //\r | |
870 | Status = ShellInitialize();\r | |
871 | ASSERT_EFI_ERROR(Status);\r | |
872 | \r | |
873 | CurrentParameter = 1;\r | |
874 | EndParameter = 0;\r | |
875 | \r | |
876 | if (gUnicodeCollation->StriColl(\r | |
877 | gUnicodeCollation,\r | |
878 | gEfiShellParametersProtocol->Argv[1],\r | |
879 | L"/i") == 0 ||\r | |
880 | gUnicodeCollation->StriColl(\r | |
881 | gUnicodeCollation,\r | |
882 | gEfiShellParametersProtocol->Argv[2],\r | |
883 | L"/i") == 0 ||\r | |
884 | (gEfiShellParametersProtocol->Argc > 3 && gUnicodeCollation->StriColl(\r | |
885 | gUnicodeCollation,\r | |
886 | gEfiShellParametersProtocol->Argv[3],\r | |
887 | L"/i") == 0)) {\r | |
888 | CaseInsensitive = TRUE;\r | |
889 | CurrentParameter++;\r | |
890 | } else {\r | |
891 | CaseInsensitive = FALSE;\r | |
892 | }\r | |
893 | if (gUnicodeCollation->StriColl(\r | |
894 | gUnicodeCollation,\r | |
895 | gEfiShellParametersProtocol->Argv[1],\r | |
896 | L"/s") == 0 ||\r | |
897 | gUnicodeCollation->StriColl(\r | |
898 | gUnicodeCollation,\r | |
899 | gEfiShellParametersProtocol->Argv[2],\r | |
900 | L"/s") == 0 ||\r | |
901 | (gEfiShellParametersProtocol->Argc > 3 && gUnicodeCollation->StriColl(\r | |
902 | gUnicodeCollation,\r | |
903 | gEfiShellParametersProtocol->Argv[3],\r | |
904 | L"/s") == 0)) {\r | |
905 | ForceString = TRUE;\r | |
906 | CurrentParameter++;\r | |
907 | } else {\r | |
908 | ForceString = FALSE;\r | |
909 | }\r | |
910 | \r | |
77dcec12 | 911 | for ( ShellStatus = SHELL_SUCCESS, CurrentValue = FALSE, Ending = EndTagMax\r |
a405b86d | 912 | ; CurrentParameter < gEfiShellParametersProtocol->Argc && ShellStatus == SHELL_SUCCESS\r |
913 | ; CurrentParameter++) {\r | |
914 | if (gUnicodeCollation->StriColl(\r | |
915 | gUnicodeCollation,\r | |
916 | gEfiShellParametersProtocol->Argv[CurrentParameter],\r | |
917 | L"then") == 0) {\r | |
918 | //\r | |
919 | // we are at the then\r | |
920 | //\r | |
921 | if (CurrentParameter+1 != gEfiShellParametersProtocol->Argc) {\r | |
922 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_TEXT_AFTER_THEN), gShellLevel1HiiHandle);\r | |
923 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
924 | } else {\r | |
925 | Status = PerformResultOperation(CurrentValue);\r | |
926 | if (EFI_ERROR(Status)) {\r | |
927 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_AFTER_BAD), gShellLevel1HiiHandle, gEfiShellParametersProtocol->Argv[CurrentParameter]);\r | |
928 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
929 | }\r | |
930 | }\r | |
931 | } else {\r | |
932 | PreviousEnding = Ending;\r | |
933 | //\r | |
934 | // build up the next statement for analysis\r | |
935 | //\r | |
936 | if (!BuildNextStatement(CurrentParameter, &EndParameter, &Ending)) {\r | |
ae724571 | 937 | CurrentScriptFile = ShellCommandGetCurrentScriptFile();\r |
938 | ShellPrintHiiEx(\r | |
939 | -1, \r | |
940 | -1, \r | |
941 | NULL, \r | |
942 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
943 | gShellLevel1HiiHandle, \r | |
944 | L"Then", \r | |
945 | L"If",\r | |
946 | CurrentScriptFile!=NULL \r | |
947 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
948 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 949 | ShellStatus = SHELL_INVALID_PARAMETER;\r |
950 | } else {\r | |
951 | //\r | |
952 | // Analyze the statement\r | |
953 | //\r | |
954 | Status = ProcessStatement(&CurrentValue, CurrentParameter, EndParameter, PreviousEnding, CaseInsensitive, ForceString);\r | |
955 | if (EFI_ERROR(Status)) {\r | |
956 | // ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_STARTING), gShellLevel1HiiHandle, gEfiShellParametersProtocol->Argv[CurrentParameter]);\r | |
957 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
958 | } else {\r | |
959 | //\r | |
960 | // Optomize to get out of the loop early...\r | |
961 | //\r | |
77dcec12 | 962 | if ((Ending == EndTagOr && CurrentValue) || (Ending == EndTagAnd && !CurrentValue)) {\r |
a405b86d | 963 | Status = PerformResultOperation(CurrentValue);\r |
964 | if (EFI_ERROR(Status)) {\r | |
965 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SYNTAX_AFTER_BAD), gShellLevel1HiiHandle, gEfiShellParametersProtocol->Argv[CurrentParameter]);\r | |
966 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
967 | }\r | |
968 | break;\r | |
969 | }\r | |
970 | }\r | |
971 | }\r | |
972 | if (ShellStatus == SHELL_SUCCESS){\r | |
973 | CurrentParameter = EndParameter;\r | |
974 | //\r | |
975 | // Skip over the or or and parameter.\r | |
976 | //\r | |
77dcec12 | 977 | if (Ending == EndTagOr || Ending == EndTagAnd) {\r |
a405b86d | 978 | CurrentParameter++;\r |
979 | }\r | |
980 | }\r | |
981 | }\r | |
982 | }\r | |
983 | return (ShellStatus);\r | |
984 | }\r | |
985 | \r | |
986 | /**\r | |
987 | Function for 'else' command.\r | |
988 | \r | |
989 | @param[in] ImageHandle Handle to the Image (NULL if Internal).\r | |
990 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).\r | |
991 | **/\r | |
992 | SHELL_STATUS\r | |
993 | EFIAPI\r | |
994 | ShellCommandRunElse (\r | |
995 | IN EFI_HANDLE ImageHandle,\r | |
996 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
997 | )\r | |
998 | {\r | |
ae724571 | 999 | SCRIPT_FILE *CurrentScriptFile;\r |
a405b86d | 1000 | ASSERT_EFI_ERROR(CommandInit());\r |
1001 | \r | |
1002 | if (gEfiShellParametersProtocol->Argc > 1) {\r | |
1003 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel1HiiHandle);\r | |
1004 | return (SHELL_INVALID_PARAMETER);\r | |
1005 | }\r | |
1006 | \r | |
1007 | if (!gEfiShellProtocol->BatchIsActive()) {\r | |
1008 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_NO_SCRIPT), gShellLevel1HiiHandle, L"Else");\r | |
1009 | return (SHELL_UNSUPPORTED);\r | |
1010 | }\r | |
1011 | \r | |
ae724571 | 1012 | CurrentScriptFile = ShellCommandGetCurrentScriptFile();\r |
a405b86d | 1013 | \r |
ae724571 | 1014 | if (!MoveToTag(GetPreviousNode, L"if", L"endif", NULL, CurrentScriptFile, FALSE, TRUE, FALSE)) {\r |
33c031ee | 1015 | ShellPrintHiiEx(\r |
1016 | -1, \r | |
1017 | -1, \r | |
1018 | NULL, \r | |
1019 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
1020 | gShellLevel1HiiHandle, \r | |
1021 | L"If", \r | |
1022 | L"Else", \r | |
ae724571 | 1023 | CurrentScriptFile!=NULL \r |
1024 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
1025 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 1026 | return (SHELL_DEVICE_ERROR);\r |
1027 | }\r | |
ae724571 | 1028 | if (!MoveToTag(GetPreviousNode, L"if", L"else", NULL, CurrentScriptFile, FALSE, TRUE, FALSE)) {\r |
33c031ee | 1029 | ShellPrintHiiEx(\r |
1030 | -1, \r | |
1031 | -1, \r | |
1032 | NULL, \r | |
1033 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
1034 | gShellLevel1HiiHandle, \r | |
1035 | L"If", \r | |
1036 | L"Else", \r | |
ae724571 | 1037 | CurrentScriptFile!=NULL \r |
1038 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
1039 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 1040 | return (SHELL_DEVICE_ERROR);\r |
1041 | }\r | |
1042 | \r | |
ae724571 | 1043 | if (!MoveToTag(GetNextNode, L"endif", L"if", NULL, CurrentScriptFile, FALSE, FALSE, FALSE)) {\r |
33c031ee | 1044 | ShellPrintHiiEx(\r |
1045 | -1, \r | |
1046 | -1, \r | |
1047 | NULL, \r | |
1048 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
1049 | gShellLevel1HiiHandle, \r | |
1050 | L"EndIf", \r | |
1051 | "Else", \r | |
ae724571 | 1052 | CurrentScriptFile!=NULL \r |
1053 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
1054 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 1055 | return (SHELL_DEVICE_ERROR);\r |
1056 | }\r | |
1057 | \r | |
1058 | return (SHELL_SUCCESS);\r | |
1059 | }\r | |
1060 | \r | |
1061 | /**\r | |
1062 | Function for 'endif' command.\r | |
1063 | \r | |
1064 | @param[in] ImageHandle Handle to the Image (NULL if Internal).\r | |
1065 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).\r | |
1066 | **/\r | |
1067 | SHELL_STATUS\r | |
1068 | EFIAPI\r | |
1069 | ShellCommandRunEndIf (\r | |
1070 | IN EFI_HANDLE ImageHandle,\r | |
1071 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
1072 | )\r | |
1073 | {\r | |
ae724571 | 1074 | SCRIPT_FILE *CurrentScriptFile;\r |
a405b86d | 1075 | ASSERT_EFI_ERROR(CommandInit());\r |
1076 | \r | |
1077 | if (gEfiShellParametersProtocol->Argc > 1) {\r | |
1078 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel1HiiHandle);\r | |
1079 | return (SHELL_INVALID_PARAMETER);\r | |
1080 | }\r | |
1081 | \r | |
1082 | if (!gEfiShellProtocol->BatchIsActive()) {\r | |
1083 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_NO_SCRIPT), gShellLevel1HiiHandle, L"Endif");\r | |
1084 | return (SHELL_UNSUPPORTED);\r | |
1085 | }\r | |
1086 | \r | |
ae724571 | 1087 | CurrentScriptFile = ShellCommandGetCurrentScriptFile();\r |
1088 | if (!MoveToTag(GetPreviousNode, L"if", L"endif", NULL, CurrentScriptFile, FALSE, TRUE, FALSE)) {\r | |
33c031ee | 1089 | ShellPrintHiiEx(\r |
1090 | -1, \r | |
1091 | -1, \r | |
1092 | NULL, \r | |
1093 | STRING_TOKEN (STR_SYNTAX_NO_MATCHING), \r | |
1094 | gShellLevel1HiiHandle, \r | |
1095 | L"If", \r | |
1096 | L"EndIf", \r | |
ae724571 | 1097 | CurrentScriptFile!=NULL \r |
1098 | && CurrentScriptFile->CurrentCommand!=NULL\r | |
1099 | ? CurrentScriptFile->CurrentCommand->Line:0);\r | |
a405b86d | 1100 | return (SHELL_DEVICE_ERROR);\r |
1101 | }\r | |
1102 | \r | |
1103 | return (SHELL_SUCCESS);\r | |
1104 | }\r |