diff options
Diffstat (limited to 'ShellPkg/Library/UefiShellLevel2CommandsLib/Parse.c')
| -rw-r--r-- | ShellPkg/Library/UefiShellLevel2CommandsLib/Parse.c | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/ShellPkg/Library/UefiShellLevel2CommandsLib/Parse.c b/ShellPkg/Library/UefiShellLevel2CommandsLib/Parse.c new file mode 100644 index 0000000000..927c8d9729 --- /dev/null +++ b/ShellPkg/Library/UefiShellLevel2CommandsLib/Parse.c @@ -0,0 +1,190 @@ +/** @file
+ Main file for Parse shell level 2 function.
+
+ Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include "UefiShellLevel2CommandsLib.h"
+
+SHELL_STATUS
+EFIAPI
+PerformParsing(
+ IN CONST CHAR16 *FileName,
+ IN CONST CHAR16 *TableName,
+ IN CONST UINTN ColumnIndex,
+ IN CONST UINTN TableNameInstance,
+ IN CONST UINTN ShellCommandInstance
+ )
+{
+ SHELL_FILE_HANDLE FileHandle;
+ EFI_STATUS Status;
+ BOOLEAN Ascii;
+ UINTN LoopVariable;
+ UINTN ColumnLoop;
+ CHAR16 *TempLine;
+ CHAR16 *ColumnPointer;
+ SHELL_STATUS ShellStatus;
+ CHAR16 *TempSpot;
+
+ ASSERT(FileName != NULL);
+ ASSERT(TableName != NULL);
+
+ ShellStatus = SHELL_SUCCESS;
+
+ Status = ShellOpenFileByName(FileName, &FileHandle, EFI_FILE_MODE_READ, 0);
+ if (EFI_ERROR(Status)) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellLevel2HiiHandle, FileName);
+ ShellStatus = SHELL_NOT_FOUND;
+ } else {
+ for (LoopVariable = 0 ; LoopVariable < ShellCommandInstance && !ShellFileHandleEof(FileHandle);) {
+ TempLine = ShellFileHandleReturnLine(FileHandle, &Ascii);
+ if (TempLine == NULL) {
+ break;
+ }
+ if (StrStr(TempLine, L"ShellCommand, \"") == TempLine) {
+ LoopVariable++;
+ }
+ SHELL_FREE_NON_NULL(TempLine);
+ }
+ if (LoopVariable == ShellCommandInstance) {
+ LoopVariable = 0;
+ while(1) {
+ TempLine = ShellFileHandleReturnLine(FileHandle, &Ascii);
+ if ( TempLine == NULL
+ || *TempLine == CHAR_NULL
+ || StrStr(TempLine, L"ShellCommand, \"") == TempLine
+ ){
+ SHELL_FREE_NON_NULL(TempLine);
+ break;
+ }
+ if (StrStr(TempLine, TableName) == TempLine) {
+ LoopVariable++;
+ }
+ if ( LoopVariable == TableNameInstance
+ || (TableNameInstance == (UINTN)-1 && StrStr(TempLine, TableName) == TempLine)
+ ){
+ for (ColumnLoop = 1, ColumnPointer = TempLine; ColumnLoop < ColumnIndex && ColumnPointer != NULL && *ColumnPointer != CHAR_NULL; ColumnLoop++) {
+ ColumnPointer = StrStr(ColumnPointer, L",");
+ if (ColumnPointer != NULL && *ColumnPointer != CHAR_NULL){
+ ColumnPointer++;
+ }
+ }
+ if (ColumnLoop == ColumnIndex) {
+ ASSERT(ColumnPointer != NULL);
+ TempSpot = StrStr(ColumnPointer, L",");
+ if (TempSpot != NULL) {
+ *TempSpot = CHAR_NULL;
+ }
+ while (ColumnPointer != NULL && *ColumnPointer != CHAR_NULL && ColumnPointer[0] == L' '){
+ ColumnPointer++;
+ }
+ if (ColumnPointer != NULL && *ColumnPointer != CHAR_NULL && ColumnPointer[0] == L'\"'){
+ ColumnPointer++;
+ }
+ if (ColumnPointer != NULL && *ColumnPointer != CHAR_NULL && ColumnPointer[StrLen(ColumnPointer)-1] == L'\"'){
+ ColumnPointer[StrLen(ColumnPointer)-1] = CHAR_NULL;
+ }
+
+ ShellPrintEx(-1, -1, L"%s\r\n", ColumnPointer);
+ }
+ }
+ SHELL_FREE_NON_NULL(TempLine);
+ }
+ }
+ }
+ return (ShellStatus);
+}
+
+STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
+ {L"-i", TypeValue},
+ {L"-s", TypeValue},
+ {NULL, TypeMax}
+ };
+
+/**
+ Function for 'parse' command.
+
+ @param[in] ImageHandle Handle to the Image (NULL if Internal).
+ @param[in] SystemTable Pointer to the System Table (NULL if Internal).
+**/
+SHELL_STATUS
+EFIAPI
+ShellCommandRunParse (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+ LIST_ENTRY *Package;
+ CHAR16 *ProblemParam;
+ CONST CHAR16 *FileName;
+ CONST CHAR16 *TableName;
+ CONST CHAR16 *ColumnString;
+ SHELL_STATUS ShellStatus;
+ UINTN ShellCommandInstance;
+ UINTN TableNameInstance;
+
+ ShellStatus = SHELL_SUCCESS;
+ ProblemParam = NULL;
+
+ //
+ // initialize the shell lib (we must be in non-auto-init...)
+ //
+ Status = ShellInitialize();
+ ASSERT_EFI_ERROR(Status);
+
+ //
+ // parse the command line
+ //
+ Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);
+ if (EFI_ERROR(Status)) {
+ if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, ProblemParam);
+ FreePool(ProblemParam);
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else {
+ ASSERT(FALSE);
+ }
+ } else {
+ if (ShellCommandLineGetCount(Package) < 4) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel2HiiHandle);
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else if (ShellCommandLineGetCount(Package) > 4) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle);
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else {
+ FileName = ShellCommandLineGetRawValue(Package, 1);
+ TableName = ShellCommandLineGetRawValue(Package, 2);
+ ColumnString = ShellCommandLineGetRawValue(Package, 3);
+
+ if (ShellCommandLineGetValue(Package, L"-i") == NULL) {
+ TableNameInstance = (UINTN)-1;
+ } else {
+ TableNameInstance = ShellStrToUintn(ShellCommandLineGetValue(Package, L"-i"));
+ }
+ if (ShellCommandLineGetValue(Package, L"-s") == NULL) {
+ ShellCommandInstance = 1;
+ } else {
+ ShellCommandInstance = ShellStrToUintn(ShellCommandLineGetValue(Package, L"-s"));
+ }
+
+ ShellStatus = PerformParsing(FileName, TableName, ShellStrToUintn(ColumnString), TableNameInstance, ShellCommandInstance);
+ }
+ }
+
+ //
+ // free the command line package
+ //
+ ShellCommandLineFreeVarList (Package);
+
+ return (ShellStatus);
+}
+
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