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a405b86d | 1 | /** @file\r |
2 | Main file for Parse shell level 2 function.\r | |
3 | \r | |
b54fd049 | 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 "UefiShellLevel2CommandsLib.h"\r | |
16 | \r | |
b54fd049 | 17 | /**\r |
18 | Do the actual parsing of the file. the file should be SFO output from a \r | |
19 | shell command or a similar format.\r | |
20 | \r | |
21 | @param[in] FileName The filename to open.\r | |
22 | @param[in] TableName The name of the table to find.\r | |
23 | @param[in] ColumnIndex The column number to get.\r | |
24 | @param[in] TableNameInstance Which instance of the table to get (row).\r | |
25 | @param[in] ShellCommandInstance Which instance of the command to get.\r | |
26 | \r | |
27 | @retval SHELL_NOT_FOUND The requested instance was not found.\r | |
28 | @retval SHELL_SUCCESS The operation was successful.\r | |
29 | **/\r | |
a405b86d | 30 | SHELL_STATUS\r |
31 | EFIAPI\r | |
32 | PerformParsing(\r | |
33 | IN CONST CHAR16 *FileName,\r | |
34 | IN CONST CHAR16 *TableName,\r | |
35 | IN CONST UINTN ColumnIndex,\r | |
36 | IN CONST UINTN TableNameInstance,\r | |
37 | IN CONST UINTN ShellCommandInstance\r | |
38 | )\r | |
39 | {\r | |
40 | SHELL_FILE_HANDLE FileHandle;\r | |
41 | EFI_STATUS Status;\r | |
42 | BOOLEAN Ascii;\r | |
43 | UINTN LoopVariable;\r | |
44 | UINTN ColumnLoop;\r | |
45 | CHAR16 *TempLine;\r | |
46 | CHAR16 *ColumnPointer;\r | |
47 | SHELL_STATUS ShellStatus;\r | |
48 | CHAR16 *TempSpot;\r | |
49 | \r | |
50 | ASSERT(FileName != NULL);\r | |
51 | ASSERT(TableName != NULL);\r | |
52 | \r | |
53 | ShellStatus = SHELL_SUCCESS;\r | |
54 | \r | |
55 | Status = ShellOpenFileByName(FileName, &FileHandle, EFI_FILE_MODE_READ, 0);\r | |
56 | if (EFI_ERROR(Status)) {\r | |
57 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellLevel2HiiHandle, FileName);\r | |
58 | ShellStatus = SHELL_NOT_FOUND;\r | |
59 | } else {\r | |
60 | for (LoopVariable = 0 ; LoopVariable < ShellCommandInstance && !ShellFileHandleEof(FileHandle);) {\r | |
61 | TempLine = ShellFileHandleReturnLine(FileHandle, &Ascii);\r | |
62 | if (TempLine == NULL) {\r | |
63 | break;\r | |
64 | }\r | |
65 | if (StrStr(TempLine, L"ShellCommand, \"") == TempLine) {\r | |
66 | LoopVariable++;\r | |
67 | }\r | |
68 | SHELL_FREE_NON_NULL(TempLine);\r | |
69 | }\r | |
70 | if (LoopVariable == ShellCommandInstance) {\r | |
71 | LoopVariable = 0;\r | |
72 | while(1) {\r | |
73 | TempLine = ShellFileHandleReturnLine(FileHandle, &Ascii);\r | |
74 | if ( TempLine == NULL\r | |
75 | || *TempLine == CHAR_NULL\r | |
76 | || StrStr(TempLine, L"ShellCommand, \"") == TempLine\r | |
77 | ){\r | |
78 | SHELL_FREE_NON_NULL(TempLine);\r | |
79 | break;\r | |
80 | }\r | |
81 | if (StrStr(TempLine, TableName) == TempLine) {\r | |
82 | LoopVariable++;\r | |
83 | }\r | |
84 | if ( LoopVariable == TableNameInstance\r | |
85 | || (TableNameInstance == (UINTN)-1 && StrStr(TempLine, TableName) == TempLine)\r | |
86 | ){\r | |
87 | for (ColumnLoop = 1, ColumnPointer = TempLine; ColumnLoop < ColumnIndex && ColumnPointer != NULL && *ColumnPointer != CHAR_NULL; ColumnLoop++) {\r | |
88 | ColumnPointer = StrStr(ColumnPointer, L",");\r | |
89 | if (ColumnPointer != NULL && *ColumnPointer != CHAR_NULL){\r | |
90 | ColumnPointer++;\r | |
91 | }\r | |
92 | }\r | |
93 | if (ColumnLoop == ColumnIndex) {\r | |
94 | ASSERT(ColumnPointer != NULL);\r | |
95 | TempSpot = StrStr(ColumnPointer, L",");\r | |
96 | if (TempSpot != NULL) {\r | |
97 | *TempSpot = CHAR_NULL;\r | |
98 | }\r | |
99 | while (ColumnPointer != NULL && *ColumnPointer != CHAR_NULL && ColumnPointer[0] == L' '){\r | |
100 | ColumnPointer++;\r | |
101 | }\r | |
102 | if (ColumnPointer != NULL && *ColumnPointer != CHAR_NULL && ColumnPointer[0] == L'\"'){\r | |
103 | ColumnPointer++;\r | |
104 | }\r | |
105 | if (ColumnPointer != NULL && *ColumnPointer != CHAR_NULL && ColumnPointer[StrLen(ColumnPointer)-1] == L'\"'){\r | |
106 | ColumnPointer[StrLen(ColumnPointer)-1] = CHAR_NULL;\r | |
107 | }\r | |
108 | \r | |
109 | ShellPrintEx(-1, -1, L"%s\r\n", ColumnPointer);\r | |
110 | }\r | |
111 | }\r | |
112 | SHELL_FREE_NON_NULL(TempLine);\r | |
113 | }\r | |
114 | }\r | |
115 | }\r | |
116 | return (ShellStatus);\r | |
117 | }\r | |
118 | \r | |
119 | STATIC CONST SHELL_PARAM_ITEM ParamList[] = {\r | |
120 | {L"-i", TypeValue},\r | |
121 | {L"-s", TypeValue},\r | |
122 | {NULL, TypeMax}\r | |
123 | };\r | |
124 | \r | |
125 | /**\r | |
126 | Function for 'parse' command.\r | |
127 | \r | |
128 | @param[in] ImageHandle Handle to the Image (NULL if Internal).\r | |
129 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).\r | |
130 | **/\r | |
131 | SHELL_STATUS\r | |
132 | EFIAPI\r | |
133 | ShellCommandRunParse (\r | |
134 | IN EFI_HANDLE ImageHandle,\r | |
135 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
136 | )\r | |
137 | {\r | |
138 | EFI_STATUS Status;\r | |
139 | LIST_ENTRY *Package;\r | |
140 | CHAR16 *ProblemParam;\r | |
141 | CONST CHAR16 *FileName;\r | |
142 | CONST CHAR16 *TableName;\r | |
143 | CONST CHAR16 *ColumnString;\r | |
144 | SHELL_STATUS ShellStatus;\r | |
145 | UINTN ShellCommandInstance;\r | |
146 | UINTN TableNameInstance;\r | |
147 | \r | |
148 | ShellStatus = SHELL_SUCCESS;\r | |
149 | ProblemParam = NULL;\r | |
150 | \r | |
151 | //\r | |
152 | // initialize the shell lib (we must be in non-auto-init...)\r | |
153 | //\r | |
154 | Status = ShellInitialize();\r | |
155 | ASSERT_EFI_ERROR(Status);\r | |
156 | \r | |
157 | //\r | |
158 | // parse the command line\r | |
159 | //\r | |
160 | Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);\r | |
161 | if (EFI_ERROR(Status)) {\r | |
162 | if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {\r | |
163 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, ProblemParam);\r | |
164 | FreePool(ProblemParam);\r | |
165 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
166 | } else {\r | |
167 | ASSERT(FALSE);\r | |
168 | }\r | |
169 | } else {\r | |
170 | if (ShellCommandLineGetCount(Package) < 4) {\r | |
171 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel2HiiHandle);\r | |
172 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
173 | } else if (ShellCommandLineGetCount(Package) > 4) {\r | |
174 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle);\r | |
175 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
176 | } else {\r | |
177 | FileName = ShellCommandLineGetRawValue(Package, 1);\r | |
178 | TableName = ShellCommandLineGetRawValue(Package, 2);\r | |
179 | ColumnString = ShellCommandLineGetRawValue(Package, 3);\r | |
180 | \r | |
181 | if (ShellCommandLineGetValue(Package, L"-i") == NULL) {\r | |
182 | TableNameInstance = (UINTN)-1;\r | |
183 | } else {\r | |
184 | TableNameInstance = ShellStrToUintn(ShellCommandLineGetValue(Package, L"-i"));\r | |
185 | }\r | |
186 | if (ShellCommandLineGetValue(Package, L"-s") == NULL) {\r | |
187 | ShellCommandInstance = 1;\r | |
188 | } else {\r | |
189 | ShellCommandInstance = ShellStrToUintn(ShellCommandLineGetValue(Package, L"-s"));\r | |
190 | }\r | |
191 | \r | |
192 | ShellStatus = PerformParsing(FileName, TableName, ShellStrToUintn(ColumnString), TableNameInstance, ShellCommandInstance);\r | |
193 | }\r | |
194 | }\r | |
195 | \r | |
196 | //\r | |
197 | // free the command line package\r | |
198 | //\r | |
199 | ShellCommandLineFreeVarList (Package);\r | |
200 | \r | |
201 | return (ShellStatus);\r | |
202 | }\r | |
203 | \r |