/** @file\r
Main file for Parse shell level 2 function.\r
\r
- Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>\r
+ (C) Copyright 2013-2015 Hewlett-Packard Development Company, L.P.<BR>\r
+ Copyright (c) 2009 - 2017, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
\r
#include "UefiShellLevel2CommandsLib.h"\r
\r
+/**\r
+ Check if data is coming from StdIn output.\r
+\r
+ @param[in] None\r
+ \r
+ @retval TRUE StdIn stream data available to parse \r
+ @retval FALSE StdIn stream data is not available to parse. \r
+**/\r
+BOOLEAN\r
+IsStdInDataAvailable (\r
+ VOID\r
+ )\r
+{\r
+ SHELL_FILE_HANDLE FileHandle;\r
+ EFI_STATUS Status;\r
+ CHAR16 CharBuffer; \r
+ UINTN CharSize;\r
+ UINT64 OriginalFilePosition;\r
+\r
+ Status = EFI_SUCCESS; \r
+ FileHandle = NULL;\r
+ OriginalFilePosition = 0;\r
+\r
+ if (ShellOpenFileByName (L">i", &FileHandle, EFI_FILE_MODE_READ, 0) == EFI_SUCCESS) {\r
+ CharSize = sizeof(CHAR16);\r
+ gEfiShellProtocol->GetFilePosition (FileHandle, &OriginalFilePosition);\r
+ Status = gEfiShellProtocol->ReadFile (FileHandle, &CharSize, &CharBuffer);\r
+ if (EFI_ERROR (Status) || (CharSize != sizeof(CHAR16))) {\r
+ return FALSE;\r
+ }\r
+ gEfiShellProtocol->SetFilePosition(FileHandle, OriginalFilePosition);\r
+ }\r
+\r
+ if (FileHandle == NULL) {\r
+ return FALSE;\r
+ } else {\r
+ return TRUE;\r
+ }\r
+}\r
+\r
+/**\r
+ Handle stings for SFO Output with escape character ^ in a string\r
+ 1. Quotation marks in the string must be escaped by using a ^ character (i.e. ^"). \r
+ 2. The ^ character may be inserted using ^^.\r
+\r
+ @param[in] String The Unicode NULL-terminated string.\r
+ \r
+ @retval NewString The new string handled for SFO.\r
+**/\r
+EFI_STRING\r
+HandleStringWithEscapeCharForParse (\r
+ IN CHAR16 *String\r
+ )\r
+{\r
+ EFI_STRING NewStr;\r
+ EFI_STRING StrWalker;\r
+ EFI_STRING ReturnStr;\r
+\r
+ if (String == NULL) {\r
+ return NULL;\r
+ }\r
+ \r
+ //\r
+ // start to parse the input string.\r
+ //\r
+ NewStr = AllocateZeroPool (StrSize (String));\r
+ if (NewStr == NULL) {\r
+ return NULL;\r
+ }\r
+ ReturnStr = NewStr;\r
+ StrWalker = String;\r
+ while (*StrWalker != CHAR_NULL) {\r
+ if (*StrWalker == L'^' && (*(StrWalker + 1) == L'^' || *(StrWalker + 1) == L'"')) {\r
+ *NewStr = *(StrWalker + 1);\r
+ StrWalker++;\r
+ } else {\r
+ *NewStr = *StrWalker;\r
+ }\r
+ StrWalker++;\r
+ NewStr++;\r
+ }\r
+ \r
+ return ReturnStr;\r
+}\r
+\r
+\r
/**\r
Do the actual parsing of the file. the file should be SFO output from a \r
shell command or a similar format.\r
@param[in] ColumnIndex The column number to get.\r
@param[in] TableNameInstance Which instance of the table to get (row).\r
@param[in] ShellCommandInstance Which instance of the command to get.\r
+ @param[in] StreamingUnicode Indicates Input file is StdIn Unicode streaming data or not\r
\r
@retval SHELL_NOT_FOUND The requested instance was not found.\r
@retval SHELL_SUCCESS The operation was successful.\r
**/\r
SHELL_STATUS\r
-EFIAPI\r
PerformParsing(\r
IN CONST CHAR16 *FileName,\r
IN CONST CHAR16 *TableName,\r
IN CONST UINTN ColumnIndex,\r
IN CONST UINTN TableNameInstance,\r
- IN CONST UINTN ShellCommandInstance\r
+ IN CONST UINTN ShellCommandInstance,\r
+ IN BOOLEAN StreamingUnicode\r
)\r
{\r
SHELL_FILE_HANDLE FileHandle;\r
CHAR16 *ColumnPointer;\r
SHELL_STATUS ShellStatus;\r
CHAR16 *TempSpot;\r
+ CHAR16 *SfoString;\r
\r
ASSERT(FileName != NULL);\r
ASSERT(TableName != NULL);\r
\r
Status = ShellOpenFileByName(FileName, &FileHandle, EFI_FILE_MODE_READ, 0);\r
if (EFI_ERROR(Status)) {\r
- ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellLevel2HiiHandle, FileName);\r
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellLevel2HiiHandle, L"parse", FileName); \r
+ ShellStatus = SHELL_NOT_FOUND;\r
+ } else if (!EFI_ERROR (FileHandleIsDirectory (FileHandle))) {\r
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_NOT_FILE), gShellLevel2HiiHandle, L"parse", FileName); \r
ShellStatus = SHELL_NOT_FOUND;\r
} else {\r
for (LoopVariable = 0 ; LoopVariable < ShellCommandInstance && !ShellFileHandleEof(FileHandle);) {\r
- TempLine = ShellFileHandleReturnLine(FileHandle, &Ascii);\r
- if (TempLine == NULL) {\r
- break;\r
+ TempLine = ShellFileHandleReturnLine (FileHandle, &Ascii); \r
+\r
+ if ((TempLine == NULL) || (*TempLine == CHAR_NULL && StreamingUnicode)) {\r
+ break;\r
}\r
- if (StrStr(TempLine, L"ShellCommand, \"") == TempLine) {\r
+\r
+ //\r
+ // Search for "ShellCommand," in the file to start the SFO table\r
+ // for a given ShellCommand. The UEFI Shell spec does not specify\r
+ // a space after the comma.\r
+ //\r
+ if (StrStr (TempLine, L"ShellCommand,") == TempLine) {\r
LoopVariable++;\r
}\r
SHELL_FREE_NON_NULL(TempLine);\r
if (LoopVariable == ShellCommandInstance) {\r
LoopVariable = 0;\r
while(1) {\r
- TempLine = ShellFileHandleReturnLine(FileHandle, &Ascii);\r
- if ( TempLine == NULL\r
- || *TempLine == CHAR_NULL\r
- || StrStr(TempLine, L"ShellCommand, \"") == TempLine\r
- ){\r
+ TempLine = ShellFileHandleReturnLine (FileHandle, &Ascii); \r
+ if (TempLine == NULL\r
+ || *TempLine == CHAR_NULL\r
+ || StrStr (TempLine, L"ShellCommand,") == TempLine) {\r
SHELL_FREE_NON_NULL(TempLine);\r
break;\r
}\r
- if (StrStr(TempLine, TableName) == TempLine) {\r
+ if (StrStr (TempLine, TableName) == TempLine) {\r
LoopVariable++;\r
- }\r
- if ( LoopVariable == TableNameInstance\r
- || (TableNameInstance == (UINTN)-1 && StrStr(TempLine, TableName) == TempLine)\r
- ){\r
- for (ColumnLoop = 1, ColumnPointer = TempLine; ColumnLoop < ColumnIndex && ColumnPointer != NULL && *ColumnPointer != CHAR_NULL; ColumnLoop++) {\r
- ColumnPointer = StrStr(ColumnPointer, L",");\r
- if (ColumnPointer != NULL && *ColumnPointer != CHAR_NULL){\r
- ColumnPointer++;\r
- }\r
- }\r
- if (ColumnLoop == ColumnIndex) {\r
- ASSERT(ColumnPointer != NULL);\r
- TempSpot = StrStr(ColumnPointer, L",");\r
- if (TempSpot != NULL) {\r
- *TempSpot = CHAR_NULL;\r
- }\r
- while (ColumnPointer != NULL && *ColumnPointer != CHAR_NULL && ColumnPointer[0] == L' '){\r
- ColumnPointer++;\r
+ if (LoopVariable == TableNameInstance\r
+ || (TableNameInstance == (UINTN)-1)) {\r
+ for (ColumnLoop = 1, ColumnPointer = TempLine; ColumnLoop < ColumnIndex && ColumnPointer != NULL && *ColumnPointer != CHAR_NULL; ColumnLoop++) {\r
+ ColumnPointer = StrStr (ColumnPointer, L",\"");\r
+ if (ColumnPointer != NULL && *ColumnPointer != CHAR_NULL){\r
+ ColumnPointer++;\r
+ }\r
}\r
- if (ColumnPointer != NULL && *ColumnPointer != CHAR_NULL && ColumnPointer[0] == L'\"'){\r
- ColumnPointer++;\r
+ if (ColumnLoop == ColumnIndex) {\r
+ if (ColumnPointer == NULL) {\r
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_VALUE), gShellLevel2HiiHandle, L"parse", L"Column Index"); \r
+ ShellStatus = SHELL_INVALID_PARAMETER;\r
+ } else {\r
+ TempSpot = StrStr (ColumnPointer, L",\"");\r
+ if (TempSpot != NULL) {\r
+ *TempSpot = CHAR_NULL;\r
+ }\r
+ while (ColumnPointer != NULL && *ColumnPointer != CHAR_NULL && ColumnPointer[0] == L' '){\r
+ ColumnPointer++;\r
+ }\r
+ if (ColumnPointer != NULL && *ColumnPointer != CHAR_NULL && ColumnPointer[0] == L'\"'){\r
+ ColumnPointer++;\r
+ }\r
+ if (ColumnPointer != NULL && *ColumnPointer != CHAR_NULL && ColumnPointer[StrLen (ColumnPointer) - 1] == L'\"'){\r
+ ColumnPointer[StrLen (ColumnPointer) - 1] = CHAR_NULL;\r
+ }\r
+ SfoString = HandleStringWithEscapeCharForParse (ColumnPointer);\r
+ if (SfoString != NULL) {\r
+ ShellPrintEx (-1, -1, L"%s\r\n", SfoString);\r
+ SHELL_FREE_NON_NULL (SfoString);\r
+ }\r
+ }\r
}\r
- if (ColumnPointer != NULL && *ColumnPointer != CHAR_NULL && ColumnPointer[StrLen(ColumnPointer)-1] == L'\"'){\r
- ColumnPointer[StrLen(ColumnPointer)-1] = CHAR_NULL;\r
- }\r
-\r
- ShellPrintEx(-1, -1, L"%s\r\n", ColumnPointer);\r
}\r
}\r
SHELL_FREE_NON_NULL(TempLine);\r
SHELL_STATUS ShellStatus;\r
UINTN ShellCommandInstance;\r
UINTN TableNameInstance;\r
+ BOOLEAN StreamingUnicode;\r
\r
- ShellStatus = SHELL_SUCCESS;\r
- ProblemParam = NULL;\r
+ ShellStatus = SHELL_SUCCESS;\r
+ ProblemParam = NULL;\r
+ StreamingUnicode = FALSE;\r
\r
//\r
// initialize the shell lib (we must be in non-auto-init...)\r
//\r
// parse the command line\r
//\r
- Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);\r
+ Status = ShellCommandLineParseEx (ParamList, &Package, &ProblemParam, TRUE, FALSE);\r
if (EFI_ERROR(Status)) {\r
if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {\r
- ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, ProblemParam);\r
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, L"parse", ProblemParam); \r
FreePool(ProblemParam);\r
ShellStatus = SHELL_INVALID_PARAMETER;\r
} else {\r
ASSERT(FALSE);\r
}\r
} else {\r
- if (ShellCommandLineGetCount(Package) < 4) {\r
- ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel2HiiHandle);\r
+ StreamingUnicode = IsStdInDataAvailable ();\r
+ if ((!StreamingUnicode && (ShellCommandLineGetCount(Package) < 4)) ||\r
+ (ShellCommandLineGetCount(Package) < 3)) {\r
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel2HiiHandle, L"parse"); \r
ShellStatus = SHELL_INVALID_PARAMETER;\r
- } else if (ShellCommandLineGetCount(Package) > 4) {\r
- ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle);\r
+ } else if ((StreamingUnicode && (ShellCommandLineGetCount(Package) > 3)) ||\r
+ (ShellCommandLineGetCount(Package) > 4)) {\r
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle, L"parse"); \r
ShellStatus = SHELL_INVALID_PARAMETER;\r
} else {\r
- FileName = ShellCommandLineGetRawValue(Package, 1);\r
- TableName = ShellCommandLineGetRawValue(Package, 2);\r
- ColumnString = ShellCommandLineGetRawValue(Package, 3);\r
-\r
+ if (StreamingUnicode) {\r
+ FileName = L">i";\r
+ TableName = ShellCommandLineGetRawValue(Package, 1);\r
+ ColumnString = ShellCommandLineGetRawValue(Package, 2);\r
+ } else {\r
+ FileName = ShellCommandLineGetRawValue(Package, 1);\r
+ TableName = ShellCommandLineGetRawValue(Package, 2);\r
+ ColumnString = ShellCommandLineGetRawValue(Package, 3);\r
+ }\r
if (ShellCommandLineGetValue(Package, L"-i") == NULL) {\r
TableNameInstance = (UINTN)-1;\r
} else {\r
ShellCommandInstance = ShellStrToUintn(ShellCommandLineGetValue(Package, L"-s"));\r
}\r
\r
- ShellStatus = PerformParsing(FileName, TableName, ShellStrToUintn(ColumnString), TableNameInstance, ShellCommandInstance);\r
+ ShellStatus = PerformParsing(FileName, TableName, ShellStrToUintn(ColumnString), TableNameInstance, ShellCommandInstance, StreamingUnicode);\r
}\r
}\r
\r
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