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a405b86d | 1 | /** @file\r |
2 | Main file for Parse shell level 2 function.\r | |
3 | \r | |
4 | Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>\r | |
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 "UefiShellLevel2CommandsLib.h"\r | |
16 | \r | |
17 | SHELL_STATUS\r | |
18 | EFIAPI\r | |
19 | PerformParsing(\r | |
20 | IN CONST CHAR16 *FileName,\r | |
21 | IN CONST CHAR16 *TableName,\r | |
22 | IN CONST UINTN ColumnIndex,\r | |
23 | IN CONST UINTN TableNameInstance,\r | |
24 | IN CONST UINTN ShellCommandInstance\r | |
25 | )\r | |
26 | {\r | |
27 | SHELL_FILE_HANDLE FileHandle;\r | |
28 | EFI_STATUS Status;\r | |
29 | BOOLEAN Ascii;\r | |
30 | UINTN LoopVariable;\r | |
31 | UINTN ColumnLoop;\r | |
32 | CHAR16 *TempLine;\r | |
33 | CHAR16 *ColumnPointer;\r | |
34 | SHELL_STATUS ShellStatus;\r | |
35 | CHAR16 *TempSpot;\r | |
36 | \r | |
37 | ASSERT(FileName != NULL);\r | |
38 | ASSERT(TableName != NULL);\r | |
39 | \r | |
40 | ShellStatus = SHELL_SUCCESS;\r | |
41 | \r | |
42 | Status = ShellOpenFileByName(FileName, &FileHandle, EFI_FILE_MODE_READ, 0);\r | |
43 | if (EFI_ERROR(Status)) {\r | |
44 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellLevel2HiiHandle, FileName);\r | |
45 | ShellStatus = SHELL_NOT_FOUND;\r | |
46 | } else {\r | |
47 | for (LoopVariable = 0 ; LoopVariable < ShellCommandInstance && !ShellFileHandleEof(FileHandle);) {\r | |
48 | TempLine = ShellFileHandleReturnLine(FileHandle, &Ascii);\r | |
49 | if (TempLine == NULL) {\r | |
50 | break;\r | |
51 | }\r | |
52 | if (StrStr(TempLine, L"ShellCommand, \"") == TempLine) {\r | |
53 | LoopVariable++;\r | |
54 | }\r | |
55 | SHELL_FREE_NON_NULL(TempLine);\r | |
56 | }\r | |
57 | if (LoopVariable == ShellCommandInstance) {\r | |
58 | LoopVariable = 0;\r | |
59 | while(1) {\r | |
60 | TempLine = ShellFileHandleReturnLine(FileHandle, &Ascii);\r | |
61 | if ( TempLine == NULL\r | |
62 | || *TempLine == CHAR_NULL\r | |
63 | || StrStr(TempLine, L"ShellCommand, \"") == TempLine\r | |
64 | ){\r | |
65 | SHELL_FREE_NON_NULL(TempLine);\r | |
66 | break;\r | |
67 | }\r | |
68 | if (StrStr(TempLine, TableName) == TempLine) {\r | |
69 | LoopVariable++;\r | |
70 | }\r | |
71 | if ( LoopVariable == TableNameInstance\r | |
72 | || (TableNameInstance == (UINTN)-1 && StrStr(TempLine, TableName) == TempLine)\r | |
73 | ){\r | |
74 | for (ColumnLoop = 1, ColumnPointer = TempLine; ColumnLoop < ColumnIndex && ColumnPointer != NULL && *ColumnPointer != CHAR_NULL; ColumnLoop++) {\r | |
75 | ColumnPointer = StrStr(ColumnPointer, L",");\r | |
76 | if (ColumnPointer != NULL && *ColumnPointer != CHAR_NULL){\r | |
77 | ColumnPointer++;\r | |
78 | }\r | |
79 | }\r | |
80 | if (ColumnLoop == ColumnIndex) {\r | |
81 | ASSERT(ColumnPointer != NULL);\r | |
82 | TempSpot = StrStr(ColumnPointer, L",");\r | |
83 | if (TempSpot != NULL) {\r | |
84 | *TempSpot = CHAR_NULL;\r | |
85 | }\r | |
86 | while (ColumnPointer != NULL && *ColumnPointer != CHAR_NULL && ColumnPointer[0] == L' '){\r | |
87 | ColumnPointer++;\r | |
88 | }\r | |
89 | if (ColumnPointer != NULL && *ColumnPointer != CHAR_NULL && ColumnPointer[0] == L'\"'){\r | |
90 | ColumnPointer++;\r | |
91 | }\r | |
92 | if (ColumnPointer != NULL && *ColumnPointer != CHAR_NULL && ColumnPointer[StrLen(ColumnPointer)-1] == L'\"'){\r | |
93 | ColumnPointer[StrLen(ColumnPointer)-1] = CHAR_NULL;\r | |
94 | }\r | |
95 | \r | |
96 | ShellPrintEx(-1, -1, L"%s\r\n", ColumnPointer);\r | |
97 | }\r | |
98 | }\r | |
99 | SHELL_FREE_NON_NULL(TempLine);\r | |
100 | }\r | |
101 | }\r | |
102 | }\r | |
103 | return (ShellStatus);\r | |
104 | }\r | |
105 | \r | |
106 | STATIC CONST SHELL_PARAM_ITEM ParamList[] = {\r | |
107 | {L"-i", TypeValue},\r | |
108 | {L"-s", TypeValue},\r | |
109 | {NULL, TypeMax}\r | |
110 | };\r | |
111 | \r | |
112 | /**\r | |
113 | Function for 'parse' command.\r | |
114 | \r | |
115 | @param[in] ImageHandle Handle to the Image (NULL if Internal).\r | |
116 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).\r | |
117 | **/\r | |
118 | SHELL_STATUS\r | |
119 | EFIAPI\r | |
120 | ShellCommandRunParse (\r | |
121 | IN EFI_HANDLE ImageHandle,\r | |
122 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
123 | )\r | |
124 | {\r | |
125 | EFI_STATUS Status;\r | |
126 | LIST_ENTRY *Package;\r | |
127 | CHAR16 *ProblemParam;\r | |
128 | CONST CHAR16 *FileName;\r | |
129 | CONST CHAR16 *TableName;\r | |
130 | CONST CHAR16 *ColumnString;\r | |
131 | SHELL_STATUS ShellStatus;\r | |
132 | UINTN ShellCommandInstance;\r | |
133 | UINTN TableNameInstance;\r | |
134 | \r | |
135 | ShellStatus = SHELL_SUCCESS;\r | |
136 | ProblemParam = NULL;\r | |
137 | \r | |
138 | //\r | |
139 | // initialize the shell lib (we must be in non-auto-init...)\r | |
140 | //\r | |
141 | Status = ShellInitialize();\r | |
142 | ASSERT_EFI_ERROR(Status);\r | |
143 | \r | |
144 | //\r | |
145 | // parse the command line\r | |
146 | //\r | |
147 | Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);\r | |
148 | if (EFI_ERROR(Status)) {\r | |
149 | if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {\r | |
150 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, ProblemParam);\r | |
151 | FreePool(ProblemParam);\r | |
152 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
153 | } else {\r | |
154 | ASSERT(FALSE);\r | |
155 | }\r | |
156 | } else {\r | |
157 | if (ShellCommandLineGetCount(Package) < 4) {\r | |
158 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel2HiiHandle);\r | |
159 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
160 | } else if (ShellCommandLineGetCount(Package) > 4) {\r | |
161 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle);\r | |
162 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
163 | } else {\r | |
164 | FileName = ShellCommandLineGetRawValue(Package, 1);\r | |
165 | TableName = ShellCommandLineGetRawValue(Package, 2);\r | |
166 | ColumnString = ShellCommandLineGetRawValue(Package, 3);\r | |
167 | \r | |
168 | if (ShellCommandLineGetValue(Package, L"-i") == NULL) {\r | |
169 | TableNameInstance = (UINTN)-1;\r | |
170 | } else {\r | |
171 | TableNameInstance = ShellStrToUintn(ShellCommandLineGetValue(Package, L"-i"));\r | |
172 | }\r | |
173 | if (ShellCommandLineGetValue(Package, L"-s") == NULL) {\r | |
174 | ShellCommandInstance = 1;\r | |
175 | } else {\r | |
176 | ShellCommandInstance = ShellStrToUintn(ShellCommandLineGetValue(Package, L"-s"));\r | |
177 | }\r | |
178 | \r | |
179 | ShellStatus = PerformParsing(FileName, TableName, ShellStrToUintn(ColumnString), TableNameInstance, ShellCommandInstance);\r | |
180 | }\r | |
181 | }\r | |
182 | \r | |
183 | //\r | |
184 | // free the command line package\r | |
185 | //\r | |
186 | ShellCommandLineFreeVarList (Package);\r | |
187 | \r | |
188 | return (ShellStatus);\r | |
189 | }\r | |
190 | \r |