diff options
Diffstat (limited to 'ShellPkg/Library/UefiShellLevel1CommandsLib/For.c')
| -rw-r--r-- | ShellPkg/Library/UefiShellLevel1CommandsLib/For.c | 1604 |
1 files changed, 802 insertions, 802 deletions
diff --git a/ShellPkg/Library/UefiShellLevel1CommandsLib/For.c b/ShellPkg/Library/UefiShellLevel1CommandsLib/For.c index 8a6a940f28..96c4e1b154 100644 --- a/ShellPkg/Library/UefiShellLevel1CommandsLib/For.c +++ b/ShellPkg/Library/UefiShellLevel1CommandsLib/For.c @@ -1,802 +1,802 @@ -/** @file
- Main file for endfor and for shell level 1 functions.
-
- (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
- Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#include "UefiShellLevel1CommandsLib.h"
-#include <Library/PrintLib.h>
-
-/**
- Determine if a valid string is a valid number for the 'for' command.
-
- @param[in] Number The pointer to the string representation of the number to test.
-
- @retval TRUE The number is valid.
- @retval FALSE The number is not valid.
-**/
-BOOLEAN
-ShellIsValidForNumber (
- IN CONST CHAR16 *Number
- )
-{
- if ((Number == NULL) || (*Number == CHAR_NULL)) {
- return (FALSE);
- }
-
- if (*Number == L'-') {
- Number++;
- }
-
- if (StrLen (Number) == 0) {
- return (FALSE);
- }
-
- if (StrLen (Number) >= 7) {
- if ((StrStr (Number, L" ") == NULL) || (((StrStr (Number, L" ") != NULL) && ((StrStr (Number, L" ") - Number) >= 7)))) {
- return (FALSE);
- }
- }
-
- if (!ShellIsDecimalDigitCharacter (*Number)) {
- return (FALSE);
- }
-
- return (TRUE);
-}
-
-/**
- Function for 'endfor' 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
-ShellCommandRunEndFor (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- EFI_STATUS Status;
- BOOLEAN Found;
- SCRIPT_FILE *CurrentScriptFile;
-
- Status = CommandInit ();
- ASSERT_EFI_ERROR (Status);
-
- if (!gEfiShellProtocol->BatchIsActive ()) {
- ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_NO_SCRIPT), gShellLevel1HiiHandle, L"endfor");
- return (SHELL_UNSUPPORTED);
- }
-
- if (gEfiShellParametersProtocol->Argc > 1) {
- ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel1HiiHandle, L"endfor");
- return (SHELL_INVALID_PARAMETER);
- }
-
- Found = MoveToTag (GetPreviousNode, L"for", L"endfor", NULL, ShellCommandGetCurrentScriptFile (), FALSE, FALSE, FALSE);
-
- if (!Found) {
- CurrentScriptFile = ShellCommandGetCurrentScriptFile ();
- ShellPrintHiiEx (
- -1,
- -1,
- NULL,
- STRING_TOKEN (STR_SYNTAX_NO_MATCHING),
- gShellLevel1HiiHandle,
- L"For",
- L"EndFor",
- CurrentScriptFile != NULL
- && CurrentScriptFile->CurrentCommand != NULL
- ? CurrentScriptFile->CurrentCommand->Line : 0
- );
- return (SHELL_NOT_FOUND);
- }
-
- return (SHELL_SUCCESS);
-}
-
-typedef struct {
- UINT32 Signature;
- INTN Current;
- INTN End;
- INTN Step;
- CHAR16 *ReplacementName;
- CHAR16 *CurrentValue;
- BOOLEAN RemoveSubstAlias;
- CHAR16 Set[1];
-} SHELL_FOR_INFO;
-#define SIZE_OF_SHELL_FOR_INFO OFFSET_OF (SHELL_FOR_INFO, Set)
-#define SHELL_FOR_INFO_SIGNATURE SIGNATURE_32 ('S', 'F', 'I', 's')
-
-/**
- Update the value of a given alias on the list. If the alias is not there then add it.
-
- @param[in] Alias The alias to test for.
- @param[in] CommandString The updated command string.
- @param[in, out] List The list to search.
-
- @retval EFI_SUCCESS The operation was completed successfully.
- @retval EFI_OUT_OF_RESOURCES There was not enough free memory.
-**/
-EFI_STATUS
-InternalUpdateAliasOnList (
- IN CONST CHAR16 *Alias,
- IN CONST CHAR16 *CommandString,
- IN OUT LIST_ENTRY *List
- )
-{
- ALIAS_LIST *Node;
- BOOLEAN Found;
-
- //
- // assert for NULL parameter
- //
- ASSERT (Alias != NULL);
-
- //
- // check for the Alias
- //
- for ( Node = (ALIAS_LIST *)GetFirstNode (List), Found = FALSE
- ; !IsNull (List, &Node->Link)
- ; Node = (ALIAS_LIST *)GetNextNode (List, &Node->Link)
- )
- {
- ASSERT (Node->CommandString != NULL);
- ASSERT (Node->Alias != NULL);
- if (StrCmp (Node->Alias, Alias) == 0) {
- FreePool (Node->CommandString);
- Node->CommandString = NULL;
- Node->CommandString = StrnCatGrow (&Node->CommandString, NULL, CommandString, 0);
- Found = TRUE;
- break;
- }
- }
-
- if (!Found) {
- Node = AllocateZeroPool (sizeof (ALIAS_LIST));
- if (Node == NULL) {
- return (EFI_OUT_OF_RESOURCES);
- }
-
- ASSERT (Node->Alias == NULL);
- Node->Alias = StrnCatGrow (&Node->Alias, NULL, Alias, 0);
- ASSERT (Node->CommandString == NULL);
- Node->CommandString = StrnCatGrow (&Node->CommandString, NULL, CommandString, 0);
- InsertTailList (List, &Node->Link);
- }
-
- return (EFI_SUCCESS);
-}
-
-/**
- Find out if an alias is on the given list.
-
- @param[in] Alias The alias to test for.
- @param[in] List The list to search.
-
- @retval TRUE The alias is on the list.
- @retval FALSE The alias is not on the list.
-**/
-BOOLEAN
-InternalIsAliasOnList (
- IN CONST CHAR16 *Alias,
- IN CONST LIST_ENTRY *List
- )
-{
- ALIAS_LIST *Node;
-
- //
- // assert for NULL parameter
- //
- ASSERT (Alias != NULL);
-
- //
- // check for the Alias
- //
- for ( Node = (ALIAS_LIST *)GetFirstNode (List)
- ; !IsNull (List, &Node->Link)
- ; Node = (ALIAS_LIST *)GetNextNode (List, &Node->Link)
- )
- {
- ASSERT (Node->CommandString != NULL);
- ASSERT (Node->Alias != NULL);
- if (StrCmp (Node->Alias, Alias) == 0) {
- return (TRUE);
- }
- }
-
- return (FALSE);
-}
-
-/**
- Remove an alias from the given list.
-
- @param[in] Alias The alias to remove.
- @param[in, out] List The list to search.
-**/
-BOOLEAN
-InternalRemoveAliasFromList (
- IN CONST CHAR16 *Alias,
- IN OUT LIST_ENTRY *List
- )
-{
- ALIAS_LIST *Node;
-
- //
- // assert for NULL parameter
- //
- ASSERT (Alias != NULL);
-
- //
- // check for the Alias
- //
- for ( Node = (ALIAS_LIST *)GetFirstNode (List)
- ; !IsNull (List, &Node->Link)
- ; Node = (ALIAS_LIST *)GetNextNode (List, &Node->Link)
- )
- {
- ASSERT (Node->CommandString != NULL);
- ASSERT (Node->Alias != NULL);
- if (StrCmp (Node->Alias, Alias) == 0) {
- RemoveEntryList (&Node->Link);
- FreePool (Node->Alias);
- FreePool (Node->CommandString);
- FreePool (Node);
- return (TRUE);
- }
- }
-
- return (FALSE);
-}
-
-/**
- Function to determine whether a string is decimal or hex representation of a number
- and return the number converted from the string.
-
- @param[in] String String representation of a number
-
- @return the number
- @retval (UINTN)(-1) An error ocurred.
-**/
-UINTN
-ReturnUintn (
- IN CONST CHAR16 *String
- )
-{
- UINT64 RetVal;
-
- if (!EFI_ERROR (ShellConvertStringToUint64 (String, &RetVal, FALSE, TRUE))) {
- return ((UINTN)RetVal);
- }
-
- return ((UINTN)(-1));
-}
-
-/**
- Function for 'for' 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
-ShellCommandRunFor (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- EFI_STATUS Status;
- SHELL_STATUS ShellStatus;
- SCRIPT_FILE *CurrentScriptFile;
- CHAR16 *ArgSet;
- CHAR16 *ArgSetWalker;
- CHAR16 *Parameter;
- UINTN ArgSize;
- UINTN LoopVar;
- SHELL_FOR_INFO *Info;
- CHAR16 *TempString;
- CHAR16 *TempSpot;
- BOOLEAN FirstPass;
- EFI_SHELL_FILE_INFO *Node;
- EFI_SHELL_FILE_INFO *FileList;
- UINTN NewSize;
-
- ArgSet = NULL;
- ArgSize = 0;
- ShellStatus = SHELL_SUCCESS;
- ArgSetWalker = NULL;
- TempString = NULL;
- Parameter = NULL;
- FirstPass = FALSE;
-
- //
- // initialize the shell lib (we must be in non-auto-init...)
- //
- Status = ShellInitialize ();
- ASSERT_EFI_ERROR (Status);
-
- Status = CommandInit ();
- ASSERT_EFI_ERROR (Status);
-
- if (!gEfiShellProtocol->BatchIsActive ()) {
- ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_NO_SCRIPT), gShellLevel1HiiHandle, L"for");
- return (SHELL_UNSUPPORTED);
- }
-
- if (gEfiShellParametersProtocol->Argc < 4) {
- ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel1HiiHandle, L"for");
- return (SHELL_INVALID_PARAMETER);
- }
-
- CurrentScriptFile = ShellCommandGetCurrentScriptFile ();
- ASSERT (CurrentScriptFile != NULL);
-
- if ((CurrentScriptFile->CurrentCommand != NULL) && (CurrentScriptFile->CurrentCommand->Data == NULL)) {
- FirstPass = TRUE;
-
- //
- // Make sure that an End exists.
- //
- if (!MoveToTag (GetNextNode, L"endfor", L"for", NULL, CurrentScriptFile, TRUE, TRUE, FALSE)) {
- ShellPrintHiiEx (
- -1,
- -1,
- NULL,
- STRING_TOKEN (STR_SYNTAX_NO_MATCHING),
- gShellLevel1HiiHandle,
- L"EndFor",
- L"For",
- CurrentScriptFile->CurrentCommand->Line
- );
- return (SHELL_DEVICE_ERROR);
- }
-
- //
- // Process the line.
- //
- if ( (gEfiShellParametersProtocol->Argv[1][0] != L'%') || (gEfiShellParametersProtocol->Argv[1][2] != CHAR_NULL)
- || !( ((gEfiShellParametersProtocol->Argv[1][1] >= L'a') && (gEfiShellParametersProtocol->Argv[1][1] <= L'z'))
- || ((gEfiShellParametersProtocol->Argv[1][1] >= L'A') && (gEfiShellParametersProtocol->Argv[1][1] <= L'Z')))
- )
- {
- ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_INV_VAR), gShellLevel1HiiHandle, gEfiShellParametersProtocol->Argv[1]);
- return (SHELL_INVALID_PARAMETER);
- }
-
- if (gUnicodeCollation->StriColl (
- gUnicodeCollation,
- L"in",
- gEfiShellParametersProtocol->Argv[2]
- ) == 0)
- {
- for (LoopVar = 0x3; LoopVar < gEfiShellParametersProtocol->Argc; LoopVar++) {
- ASSERT ((ArgSet == NULL && ArgSize == 0) || (ArgSet != NULL));
- if ( (StrStr (gEfiShellParametersProtocol->Argv[LoopVar], L"*") != NULL)
- || (StrStr (gEfiShellParametersProtocol->Argv[LoopVar], L"?") != NULL)
- || (StrStr (gEfiShellParametersProtocol->Argv[LoopVar], L"[") != NULL)
- || (StrStr (gEfiShellParametersProtocol->Argv[LoopVar], L"]") != NULL))
- {
- FileList = NULL;
- Status = ShellOpenFileMetaArg ((CHAR16 *)gEfiShellParametersProtocol->Argv[LoopVar], EFI_FILE_MODE_READ, &FileList);
- if (EFI_ERROR (Status) || (FileList == NULL) || IsListEmpty (&FileList->Link)) {
- ArgSet = StrnCatGrow (&ArgSet, &ArgSize, L" \"", 0);
- ArgSet = StrnCatGrow (&ArgSet, &ArgSize, gEfiShellParametersProtocol->Argv[LoopVar], 0);
- ArgSet = StrnCatGrow (&ArgSet, &ArgSize, L"\"", 0);
- } else {
- for (Node = (EFI_SHELL_FILE_INFO *)GetFirstNode (&FileList->Link)
- ; !IsNull (&FileList->Link, &Node->Link)
- ; Node = (EFI_SHELL_FILE_INFO *)GetNextNode (&FileList->Link, &Node->Link)
- )
- {
- ArgSet = StrnCatGrow (&ArgSet, &ArgSize, L" \"", 0);
- ArgSet = StrnCatGrow (&ArgSet, &ArgSize, Node->FullName, 0);
- ArgSet = StrnCatGrow (&ArgSet, &ArgSize, L"\"", 0);
- }
-
- ShellCloseFileMetaArg (&FileList);
- }
- } else {
- Parameter = gEfiShellParametersProtocol->Argv[LoopVar];
- if ((Parameter[0] == L'\"') && (Parameter[StrLen (Parameter)-1] == L'\"')) {
- ArgSet = StrnCatGrow (&ArgSet, &ArgSize, L" ", 0);
- ArgSet = StrnCatGrow (&ArgSet, &ArgSize, Parameter, 0);
- } else {
- ArgSet = StrnCatGrow (&ArgSet, &ArgSize, L" \"", 0);
- ArgSet = StrnCatGrow (&ArgSet, &ArgSize, Parameter, 0);
- ArgSet = StrnCatGrow (&ArgSet, &ArgSize, L"\"", 0);
- }
- }
- }
-
- if (ArgSet == NULL) {
- ShellStatus = SHELL_OUT_OF_RESOURCES;
- } else {
- //
- // set up for an 'in' for loop
- //
- NewSize = StrSize (ArgSet);
- NewSize += sizeof (SHELL_FOR_INFO)+StrSize (gEfiShellParametersProtocol->Argv[1]);
- Info = AllocateZeroPool (NewSize);
- if (Info == NULL) {
- FreePool (ArgSet);
- return SHELL_OUT_OF_RESOURCES;
- }
-
- Info->Signature = SHELL_FOR_INFO_SIGNATURE;
- CopyMem (Info->Set, ArgSet, StrSize (ArgSet));
- NewSize = StrSize (gEfiShellParametersProtocol->Argv[1]);
- CopyMem (Info->Set+(StrSize (ArgSet)/sizeof (Info->Set[0])), gEfiShellParametersProtocol->Argv[1], NewSize);
- Info->ReplacementName = Info->Set+StrSize (ArgSet)/sizeof (Info->Set[0]);
- Info->CurrentValue = (CHAR16 *)Info->Set;
- Info->Step = 0;
- Info->Current = 0;
- Info->End = 0;
-
- if (InternalIsAliasOnList (Info->ReplacementName, &CurrentScriptFile->SubstList)) {
- Info->RemoveSubstAlias = FALSE;
- } else {
- Info->RemoveSubstAlias = TRUE;
- }
-
- CurrentScriptFile->CurrentCommand->Data = Info;
- }
- } else if (gUnicodeCollation->StriColl (
- gUnicodeCollation,
- L"run",
- gEfiShellParametersProtocol->Argv[2]
- ) == 0)
- {
- for (LoopVar = 0x3; LoopVar < gEfiShellParametersProtocol->Argc; LoopVar++) {
- ASSERT ((ArgSet == NULL && ArgSize == 0) || (ArgSet != NULL));
- if ((StrStr (gEfiShellParametersProtocol->Argv[LoopVar], L")") != NULL) &&
- ((LoopVar + 1) < gEfiShellParametersProtocol->Argc)
- )
- {
- return (SHELL_INVALID_PARAMETER);
- }
-
- if (ArgSet == NULL) {
- // ArgSet = StrnCatGrow(&ArgSet, &ArgSize, L"\"", 0);
- } else {
- ArgSet = StrnCatGrow (&ArgSet, &ArgSize, L" ", 0);
- }
-
- ArgSet = StrnCatGrow (&ArgSet, &ArgSize, gEfiShellParametersProtocol->Argv[LoopVar], 0);
- // ArgSet = StrnCatGrow(&ArgSet, &ArgSize, L" ", 0);
- }
-
- if (ArgSet == NULL) {
- ShellStatus = SHELL_OUT_OF_RESOURCES;
- } else {
- //
- // set up for a 'run' for loop
- //
- Info = AllocateZeroPool (sizeof (SHELL_FOR_INFO)+StrSize (gEfiShellParametersProtocol->Argv[1]));
- if (Info == NULL) {
- FreePool (ArgSet);
- return SHELL_OUT_OF_RESOURCES;
- }
-
- Info->Signature = SHELL_FOR_INFO_SIGNATURE;
- CopyMem (Info->Set, gEfiShellParametersProtocol->Argv[1], StrSize (gEfiShellParametersProtocol->Argv[1]));
- Info->ReplacementName = Info->Set;
- Info->CurrentValue = NULL;
- ArgSetWalker = ArgSet;
- if (ArgSetWalker[0] != L'(') {
- ShellPrintHiiEx (
- -1,
- -1,
- NULL,
- STRING_TOKEN (STR_GEN_PROBLEM_SCRIPT),
- gShellLevel1HiiHandle,
- ArgSet,
- CurrentScriptFile->CurrentCommand->Line
- );
- ShellStatus = SHELL_INVALID_PARAMETER;
- } else {
- TempSpot = StrStr (ArgSetWalker, L")");
- if (TempSpot != NULL) {
- TempString = TempSpot+1;
- if (*(TempString) != CHAR_NULL) {
- while (TempString != NULL && *TempString == L' ') {
- TempString++;
- }
-
- if (StrLen (TempString) > 0) {
- TempSpot = NULL;
- }
- }
- }
-
- if (TempSpot == NULL) {
- ShellPrintHiiEx (
- -1,
- -1,
- NULL,
- STRING_TOKEN (STR_GEN_PROBLEM_SCRIPT),
- gShellLevel1HiiHandle,
- CurrentScriptFile->CurrentCommand->Line
- );
- ShellStatus = SHELL_INVALID_PARAMETER;
- } else {
- *TempSpot = CHAR_NULL;
- ArgSetWalker++;
- while (ArgSetWalker != NULL && ArgSetWalker[0] == L' ') {
- ArgSetWalker++;
- }
-
- if (!ShellIsValidForNumber (ArgSetWalker)) {
- ShellPrintHiiEx (
- -1,
- -1,
- NULL,
- STRING_TOKEN (STR_GEN_PROBLEM_SCRIPT),
- gShellLevel1HiiHandle,
- ArgSet,
- CurrentScriptFile->CurrentCommand->Line
- );
- ShellStatus = SHELL_INVALID_PARAMETER;
- } else {
- if (ArgSetWalker[0] == L'-') {
- Info->Current = 0 - (INTN)ReturnUintn (ArgSetWalker+1);
- } else {
- Info->Current = (INTN)ReturnUintn (ArgSetWalker);
- }
-
- ArgSetWalker = StrStr (ArgSetWalker, L" ");
- while (ArgSetWalker != NULL && ArgSetWalker[0] == L' ') {
- ArgSetWalker++;
- }
-
- if ((ArgSetWalker == NULL) || (*ArgSetWalker == CHAR_NULL) || !ShellIsValidForNumber (ArgSetWalker)) {
- ShellPrintHiiEx (
- -1,
- -1,
- NULL,
- STRING_TOKEN (STR_GEN_PROBLEM_SCRIPT),
- gShellLevel1HiiHandle,
- ArgSet,
- CurrentScriptFile->CurrentCommand->Line
- );
- ShellStatus = SHELL_INVALID_PARAMETER;
- } else {
- if (ArgSetWalker[0] == L'-') {
- Info->End = 0 - (INTN)ReturnUintn (ArgSetWalker+1);
- } else {
- Info->End = (INTN)ReturnUintn (ArgSetWalker);
- }
-
- if (Info->Current < Info->End) {
- Info->Step = 1;
- } else {
- Info->Step = -1;
- }
-
- ArgSetWalker = StrStr (ArgSetWalker, L" ");
- while (ArgSetWalker != NULL && ArgSetWalker[0] == L' ') {
- ArgSetWalker++;
- }
-
- if ((ArgSetWalker != NULL) && (*ArgSetWalker != CHAR_NULL)) {
- if ((ArgSetWalker == NULL) || (*ArgSetWalker == CHAR_NULL) || !ShellIsValidForNumber (ArgSetWalker)) {
- ShellPrintHiiEx (
- -1,
- -1,
- NULL,
- STRING_TOKEN (STR_GEN_PROBLEM_SCRIPT),
- gShellLevel1HiiHandle,
- ArgSet,
- CurrentScriptFile->CurrentCommand->Line
- );
- ShellStatus = SHELL_INVALID_PARAMETER;
- } else {
- if (*ArgSetWalker == L')') {
- ASSERT (Info->Step == 1 || Info->Step == -1);
- } else {
- if (ArgSetWalker[0] == L'-') {
- Info->Step = 0 - (INTN)ReturnUintn (ArgSetWalker+1);
- } else {
- Info->Step = (INTN)ReturnUintn (ArgSetWalker);
- }
-
- if (StrStr (ArgSetWalker, L" ") != NULL) {
- ShellPrintHiiEx (
- -1,
- -1,
- NULL,
- STRING_TOKEN (STR_GEN_PROBLEM_SCRIPT),
- gShellLevel1HiiHandle,
- ArgSet,
- CurrentScriptFile->CurrentCommand->Line
- );
- ShellStatus = SHELL_INVALID_PARAMETER;
- }
- }
- }
- }
- }
- }
- }
- }
-
- if (ShellStatus == SHELL_SUCCESS) {
- if (InternalIsAliasOnList (Info->ReplacementName, &CurrentScriptFile->SubstList)) {
- Info->RemoveSubstAlias = FALSE;
- } else {
- Info->RemoveSubstAlias = TRUE;
- }
- }
-
- if (CurrentScriptFile->CurrentCommand != NULL) {
- CurrentScriptFile->CurrentCommand->Data = Info;
- }
- }
- } else {
- ShellPrintHiiEx (
- -1,
- -1,
- NULL,
- STRING_TOKEN (STR_GEN_PROBLEM_SCRIPT),
- gShellLevel1HiiHandle,
- ArgSet,
- CurrentScriptFile != NULL
- && CurrentScriptFile->CurrentCommand != NULL
- ? CurrentScriptFile->CurrentCommand->Line : 0
- );
- ShellStatus = SHELL_INVALID_PARAMETER;
- }
- } else {
- //
- // These need to be NULL since they are used to determine if this is the first pass later on...
- //
- ASSERT (ArgSetWalker == NULL);
- ASSERT (ArgSet == NULL);
- }
-
- if ((CurrentScriptFile != NULL) && (CurrentScriptFile->CurrentCommand != NULL)) {
- Info = (SHELL_FOR_INFO *)CurrentScriptFile->CurrentCommand->Data;
- if (CurrentScriptFile->CurrentCommand->Reset) {
- if (Info != NULL) {
- Info->CurrentValue = (CHAR16 *)Info->Set;
- }
-
- FirstPass = TRUE;
- CurrentScriptFile->CurrentCommand->Reset = FALSE;
- }
- } else {
- ShellStatus = SHELL_UNSUPPORTED;
- Info = NULL;
- }
-
- if (ShellStatus == SHELL_SUCCESS) {
- ASSERT (Info != NULL);
- if (Info->Step != 0) {
- //
- // only advance if not the first pass
- //
- if (!FirstPass) {
- //
- // sequence version of for loop...
- //
- Info->Current += Info->Step;
- }
-
- TempString = AllocateZeroPool (50*sizeof (CHAR16));
- UnicodeSPrint (TempString, 50*sizeof (CHAR16), L"%d", Info->Current);
- InternalUpdateAliasOnList (Info->ReplacementName, TempString, &CurrentScriptFile->SubstList);
- FreePool (TempString);
-
- if (((Info->Step > 0) && (Info->Current > Info->End)) || ((Info->Step < 0) && (Info->Current < Info->End))) {
- CurrentScriptFile->CurrentCommand->Data = NULL;
- //
- // find the matching endfor (we're done with the loop)
- //
- if (!MoveToTag (GetNextNode, L"endfor", L"for", NULL, CurrentScriptFile, TRUE, FALSE, FALSE)) {
- ShellPrintHiiEx (
- -1,
- -1,
- NULL,
- STRING_TOKEN (STR_SYNTAX_NO_MATCHING),
- gShellLevel1HiiHandle,
- L"EndFor",
- L"For",
- CurrentScriptFile != NULL
- && CurrentScriptFile->CurrentCommand != NULL
- ? CurrentScriptFile->CurrentCommand->Line : 0
- );
- ShellStatus = SHELL_DEVICE_ERROR;
- }
-
- if (Info->RemoveSubstAlias) {
- //
- // remove item from list
- //
- InternalRemoveAliasFromList (Info->ReplacementName, &CurrentScriptFile->SubstList);
- }
-
- FreePool (Info);
- }
- } else {
- //
- // Must be in 'in' version of for loop...
- //
- ASSERT (Info->Set != NULL);
- if ((Info->CurrentValue != NULL) && (*Info->CurrentValue != CHAR_NULL)) {
- if (Info->CurrentValue[0] == L' ') {
- Info->CurrentValue++;
- }
-
- if (Info->CurrentValue[0] == L'\"') {
- Info->CurrentValue++;
- }
-
- //
- // do the next one of the set
- //
- ASSERT (TempString == NULL);
- TempString = StrnCatGrow (&TempString, NULL, Info->CurrentValue, 0);
- if (TempString == NULL) {
- ShellStatus = SHELL_OUT_OF_RESOURCES;
- } else {
- TempSpot = StrStr (TempString, L"\" \"");
- if (TempSpot != NULL) {
- *TempSpot = CHAR_NULL;
- }
-
- while (TempString[StrLen (TempString)-1] == L'\"') {
- TempString[StrLen (TempString)-1] = CHAR_NULL;
- }
-
- InternalUpdateAliasOnList (Info->ReplacementName, TempString, &CurrentScriptFile->SubstList);
- Info->CurrentValue += StrLen (TempString);
-
- if (Info->CurrentValue[0] == L'\"') {
- Info->CurrentValue++;
- }
-
- FreePool (TempString);
- }
- } else {
- CurrentScriptFile->CurrentCommand->Data = NULL;
- //
- // find the matching endfor (we're done with the loop)
- //
- if (!MoveToTag (GetNextNode, L"endfor", L"for", NULL, CurrentScriptFile, TRUE, FALSE, FALSE)) {
- ShellPrintHiiEx (
- -1,
- -1,
- NULL,
- STRING_TOKEN (STR_SYNTAX_NO_MATCHING),
- gShellLevel1HiiHandle,
- L"EndFor",
- L"For",
- CurrentScriptFile != NULL
- && CurrentScriptFile->CurrentCommand != NULL
- ? CurrentScriptFile->CurrentCommand->Line : 0
- );
- ShellStatus = SHELL_DEVICE_ERROR;
- }
-
- if (Info->RemoveSubstAlias) {
- //
- // remove item from list
- //
- InternalRemoveAliasFromList (Info->ReplacementName, &CurrentScriptFile->SubstList);
- }
-
- FreePool (Info);
- }
- }
- }
-
- if (ArgSet != NULL) {
- FreePool (ArgSet);
- }
-
- return (ShellStatus);
-}
+/** @file + Main file for endfor and for shell level 1 functions. + + (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR> + Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include "UefiShellLevel1CommandsLib.h" +#include <Library/PrintLib.h> + +/** + Determine if a valid string is a valid number for the 'for' command. + + @param[in] Number The pointer to the string representation of the number to test. + + @retval TRUE The number is valid. + @retval FALSE The number is not valid. +**/ +BOOLEAN +ShellIsValidForNumber ( + IN CONST CHAR16 *Number + ) +{ + if ((Number == NULL) || (*Number == CHAR_NULL)) { + return (FALSE); + } + + if (*Number == L'-') { + Number++; + } + + if (StrLen (Number) == 0) { + return (FALSE); + } + + if (StrLen (Number) >= 7) { + if ((StrStr (Number, L" ") == NULL) || (((StrStr (Number, L" ") != NULL) && ((StrStr (Number, L" ") - Number) >= 7)))) { + return (FALSE); + } + } + + if (!ShellIsDecimalDigitCharacter (*Number)) { + return (FALSE); + } + + return (TRUE); +} + +/** + Function for 'endfor' 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 +ShellCommandRunEndFor ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +{ + EFI_STATUS Status; + BOOLEAN Found; + SCRIPT_FILE *CurrentScriptFile; + + Status = CommandInit (); + ASSERT_EFI_ERROR (Status); + + if (!gEfiShellProtocol->BatchIsActive ()) { + ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_NO_SCRIPT), gShellLevel1HiiHandle, L"endfor"); + return (SHELL_UNSUPPORTED); + } + + if (gEfiShellParametersProtocol->Argc > 1) { + ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel1HiiHandle, L"endfor"); + return (SHELL_INVALID_PARAMETER); + } + + Found = MoveToTag (GetPreviousNode, L"for", L"endfor", NULL, ShellCommandGetCurrentScriptFile (), FALSE, FALSE, FALSE); + + if (!Found) { + CurrentScriptFile = ShellCommandGetCurrentScriptFile (); + ShellPrintHiiEx ( + -1, + -1, + NULL, + STRING_TOKEN (STR_SYNTAX_NO_MATCHING), + gShellLevel1HiiHandle, + L"For", + L"EndFor", + CurrentScriptFile != NULL + && CurrentScriptFile->CurrentCommand != NULL + ? CurrentScriptFile->CurrentCommand->Line : 0 + ); + return (SHELL_NOT_FOUND); + } + + return (SHELL_SUCCESS); +} + +typedef struct { + UINT32 Signature; + INTN Current; + INTN End; + INTN Step; + CHAR16 *ReplacementName; + CHAR16 *CurrentValue; + BOOLEAN RemoveSubstAlias; + CHAR16 Set[1]; +} SHELL_FOR_INFO; +#define SIZE_OF_SHELL_FOR_INFO OFFSET_OF (SHELL_FOR_INFO, Set) +#define SHELL_FOR_INFO_SIGNATURE SIGNATURE_32 ('S', 'F', 'I', 's') + +/** + Update the value of a given alias on the list. If the alias is not there then add it. + + @param[in] Alias The alias to test for. + @param[in] CommandString The updated command string. + @param[in, out] List The list to search. + + @retval EFI_SUCCESS The operation was completed successfully. + @retval EFI_OUT_OF_RESOURCES There was not enough free memory. +**/ +EFI_STATUS +InternalUpdateAliasOnList ( + IN CONST CHAR16 *Alias, + IN CONST CHAR16 *CommandString, + IN OUT LIST_ENTRY *List + ) +{ + ALIAS_LIST *Node; + BOOLEAN Found; + + // + // assert for NULL parameter + // + ASSERT (Alias != NULL); + + // + // check for the Alias + // + for ( Node = (ALIAS_LIST *)GetFirstNode (List), Found = FALSE + ; !IsNull (List, &Node->Link) + ; Node = (ALIAS_LIST *)GetNextNode (List, &Node->Link) + ) + { + ASSERT (Node->CommandString != NULL); + ASSERT (Node->Alias != NULL); + if (StrCmp (Node->Alias, Alias) == 0) { + FreePool (Node->CommandString); + Node->CommandString = NULL; + Node->CommandString = StrnCatGrow (&Node->CommandString, NULL, CommandString, 0); + Found = TRUE; + break; + } + } + + if (!Found) { + Node = AllocateZeroPool (sizeof (ALIAS_LIST)); + if (Node == NULL) { + return (EFI_OUT_OF_RESOURCES); + } + + ASSERT (Node->Alias == NULL); + Node->Alias = StrnCatGrow (&Node->Alias, NULL, Alias, 0); + ASSERT (Node->CommandString == NULL); + Node->CommandString = StrnCatGrow (&Node->CommandString, NULL, CommandString, 0); + InsertTailList (List, &Node->Link); + } + + return (EFI_SUCCESS); +} + +/** + Find out if an alias is on the given list. + + @param[in] Alias The alias to test for. + @param[in] List The list to search. + + @retval TRUE The alias is on the list. + @retval FALSE The alias is not on the list. +**/ +BOOLEAN +InternalIsAliasOnList ( + IN CONST CHAR16 *Alias, + IN CONST LIST_ENTRY *List + ) +{ + ALIAS_LIST *Node; + + // + // assert for NULL parameter + // + ASSERT (Alias != NULL); + + // + // check for the Alias + // + for ( Node = (ALIAS_LIST *)GetFirstNode (List) + ; !IsNull (List, &Node->Link) + ; Node = (ALIAS_LIST *)GetNextNode (List, &Node->Link) + ) + { + ASSERT (Node->CommandString != NULL); + ASSERT (Node->Alias != NULL); + if (StrCmp (Node->Alias, Alias) == 0) { + return (TRUE); + } + } + + return (FALSE); +} + +/** + Remove an alias from the given list. + + @param[in] Alias The alias to remove. + @param[in, out] List The list to search. +**/ +BOOLEAN +InternalRemoveAliasFromList ( + IN CONST CHAR16 *Alias, + IN OUT LIST_ENTRY *List + ) +{ + ALIAS_LIST *Node; + + // + // assert for NULL parameter + // + ASSERT (Alias != NULL); + + // + // check for the Alias + // + for ( Node = (ALIAS_LIST *)GetFirstNode (List) + ; !IsNull (List, &Node->Link) + ; Node = (ALIAS_LIST *)GetNextNode (List, &Node->Link) + ) + { + ASSERT (Node->CommandString != NULL); + ASSERT (Node->Alias != NULL); + if (StrCmp (Node->Alias, Alias) == 0) { + RemoveEntryList (&Node->Link); + FreePool (Node->Alias); + FreePool (Node->CommandString); + FreePool (Node); + return (TRUE); + } + } + + return (FALSE); +} + +/** + Function to determine whether a string is decimal or hex representation of a number + and return the number converted from the string. + + @param[in] String String representation of a number + + @return the number + @retval (UINTN)(-1) An error ocurred. +**/ +UINTN +ReturnUintn ( + IN CONST CHAR16 *String + ) +{ + UINT64 RetVal; + + if (!EFI_ERROR (ShellConvertStringToUint64 (String, &RetVal, FALSE, TRUE))) { + return ((UINTN)RetVal); + } + + return ((UINTN)(-1)); +} + +/** + Function for 'for' 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 +ShellCommandRunFor ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +{ + EFI_STATUS Status; + SHELL_STATUS ShellStatus; + SCRIPT_FILE *CurrentScriptFile; + CHAR16 *ArgSet; + CHAR16 *ArgSetWalker; + CHAR16 *Parameter; + UINTN ArgSize; + UINTN LoopVar; + SHELL_FOR_INFO *Info; + CHAR16 *TempString; + CHAR16 *TempSpot; + BOOLEAN FirstPass; + EFI_SHELL_FILE_INFO *Node; + EFI_SHELL_FILE_INFO *FileList; + UINTN NewSize; + + ArgSet = NULL; + ArgSize = 0; + ShellStatus = SHELL_SUCCESS; + ArgSetWalker = NULL; + TempString = NULL; + Parameter = NULL; + FirstPass = FALSE; + + // + // initialize the shell lib (we must be in non-auto-init...) + // + Status = ShellInitialize (); + ASSERT_EFI_ERROR (Status); + + Status = CommandInit (); + ASSERT_EFI_ERROR (Status); + + if (!gEfiShellProtocol->BatchIsActive ()) { + ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_NO_SCRIPT), gShellLevel1HiiHandle, L"for"); + return (SHELL_UNSUPPORTED); + } + + if (gEfiShellParametersProtocol->Argc < 4) { + ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel1HiiHandle, L"for"); + return (SHELL_INVALID_PARAMETER); + } + + CurrentScriptFile = ShellCommandGetCurrentScriptFile (); + ASSERT (CurrentScriptFile != NULL); + + if ((CurrentScriptFile->CurrentCommand != NULL) && (CurrentScriptFile->CurrentCommand->Data == NULL)) { + FirstPass = TRUE; + + // + // Make sure that an End exists. + // + if (!MoveToTag (GetNextNode, L"endfor", L"for", NULL, CurrentScriptFile, TRUE, TRUE, FALSE)) { + ShellPrintHiiEx ( + -1, + -1, + NULL, + STRING_TOKEN (STR_SYNTAX_NO_MATCHING), + gShellLevel1HiiHandle, + L"EndFor", + L"For", + CurrentScriptFile->CurrentCommand->Line + ); + return (SHELL_DEVICE_ERROR); + } + + // + // Process the line. + // + if ( (gEfiShellParametersProtocol->Argv[1][0] != L'%') || (gEfiShellParametersProtocol->Argv[1][2] != CHAR_NULL) + || !( ((gEfiShellParametersProtocol->Argv[1][1] >= L'a') && (gEfiShellParametersProtocol->Argv[1][1] <= L'z')) + || ((gEfiShellParametersProtocol->Argv[1][1] >= L'A') && (gEfiShellParametersProtocol->Argv[1][1] <= L'Z'))) + ) + { + ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_INV_VAR), gShellLevel1HiiHandle, gEfiShellParametersProtocol->Argv[1]); + return (SHELL_INVALID_PARAMETER); + } + + if (gUnicodeCollation->StriColl ( + gUnicodeCollation, + L"in", + gEfiShellParametersProtocol->Argv[2] + ) == 0) + { + for (LoopVar = 0x3; LoopVar < gEfiShellParametersProtocol->Argc; LoopVar++) { + ASSERT ((ArgSet == NULL && ArgSize == 0) || (ArgSet != NULL)); + if ( (StrStr (gEfiShellParametersProtocol->Argv[LoopVar], L"*") != NULL) + || (StrStr (gEfiShellParametersProtocol->Argv[LoopVar], L"?") != NULL) + || (StrStr (gEfiShellParametersProtocol->Argv[LoopVar], L"[") != NULL) + || (StrStr (gEfiShellParametersProtocol->Argv[LoopVar], L"]") != NULL)) + { + FileList = NULL; + Status = ShellOpenFileMetaArg ((CHAR16 *)gEfiShellParametersProtocol->Argv[LoopVar], EFI_FILE_MODE_READ, &FileList); + if (EFI_ERROR (Status) || (FileList == NULL) || IsListEmpty (&FileList->Link)) { + ArgSet = StrnCatGrow (&ArgSet, &ArgSize, L" \"", 0); + ArgSet = StrnCatGrow (&ArgSet, &ArgSize, gEfiShellParametersProtocol->Argv[LoopVar], 0); + ArgSet = StrnCatGrow (&ArgSet, &ArgSize, L"\"", 0); + } else { + for (Node = (EFI_SHELL_FILE_INFO *)GetFirstNode (&FileList->Link) + ; !IsNull (&FileList->Link, &Node->Link) + ; Node = (EFI_SHELL_FILE_INFO *)GetNextNode (&FileList->Link, &Node->Link) + ) + { + ArgSet = StrnCatGrow (&ArgSet, &ArgSize, L" \"", 0); + ArgSet = StrnCatGrow (&ArgSet, &ArgSize, Node->FullName, 0); + ArgSet = StrnCatGrow (&ArgSet, &ArgSize, L"\"", 0); + } + + ShellCloseFileMetaArg (&FileList); + } + } else { + Parameter = gEfiShellParametersProtocol->Argv[LoopVar]; + if ((Parameter[0] == L'\"') && (Parameter[StrLen (Parameter)-1] == L'\"')) { + ArgSet = StrnCatGrow (&ArgSet, &ArgSize, L" ", 0); + ArgSet = StrnCatGrow (&ArgSet, &ArgSize, Parameter, 0); + } else { + ArgSet = StrnCatGrow (&ArgSet, &ArgSize, L" \"", 0); + ArgSet = StrnCatGrow (&ArgSet, &ArgSize, Parameter, 0); + ArgSet = StrnCatGrow (&ArgSet, &ArgSize, L"\"", 0); + } + } + } + + if (ArgSet == NULL) { + ShellStatus = SHELL_OUT_OF_RESOURCES; + } else { + // + // set up for an 'in' for loop + // + NewSize = StrSize (ArgSet); + NewSize += sizeof (SHELL_FOR_INFO)+StrSize (gEfiShellParametersProtocol->Argv[1]); + Info = AllocateZeroPool (NewSize); + if (Info == NULL) { + FreePool (ArgSet); + return SHELL_OUT_OF_RESOURCES; + } + + Info->Signature = SHELL_FOR_INFO_SIGNATURE; + CopyMem (Info->Set, ArgSet, StrSize (ArgSet)); + NewSize = StrSize (gEfiShellParametersProtocol->Argv[1]); + CopyMem (Info->Set+(StrSize (ArgSet)/sizeof (Info->Set[0])), gEfiShellParametersProtocol->Argv[1], NewSize); + Info->ReplacementName = Info->Set+StrSize (ArgSet)/sizeof (Info->Set[0]); + Info->CurrentValue = (CHAR16 *)Info->Set; + Info->Step = 0; + Info->Current = 0; + Info->End = 0; + + if (InternalIsAliasOnList (Info->ReplacementName, &CurrentScriptFile->SubstList)) { + Info->RemoveSubstAlias = FALSE; + } else { + Info->RemoveSubstAlias = TRUE; + } + + CurrentScriptFile->CurrentCommand->Data = Info; + } + } else if (gUnicodeCollation->StriColl ( + gUnicodeCollation, + L"run", + gEfiShellParametersProtocol->Argv[2] + ) == 0) + { + for (LoopVar = 0x3; LoopVar < gEfiShellParametersProtocol->Argc; LoopVar++) { + ASSERT ((ArgSet == NULL && ArgSize == 0) || (ArgSet != NULL)); + if ((StrStr (gEfiShellParametersProtocol->Argv[LoopVar], L")") != NULL) && + ((LoopVar + 1) < gEfiShellParametersProtocol->Argc) + ) + { + return (SHELL_INVALID_PARAMETER); + } + + if (ArgSet == NULL) { + // ArgSet = StrnCatGrow(&ArgSet, &ArgSize, L"\"", 0); + } else { + ArgSet = StrnCatGrow (&ArgSet, &ArgSize, L" ", 0); + } + + ArgSet = StrnCatGrow (&ArgSet, &ArgSize, gEfiShellParametersProtocol->Argv[LoopVar], 0); + // ArgSet = StrnCatGrow(&ArgSet, &ArgSize, L" ", 0); + } + + if (ArgSet == NULL) { + ShellStatus = SHELL_OUT_OF_RESOURCES; + } else { + // + // set up for a 'run' for loop + // + Info = AllocateZeroPool (sizeof (SHELL_FOR_INFO)+StrSize (gEfiShellParametersProtocol->Argv[1])); + if (Info == NULL) { + FreePool (ArgSet); + return SHELL_OUT_OF_RESOURCES; + } + + Info->Signature = SHELL_FOR_INFO_SIGNATURE; + CopyMem (Info->Set, gEfiShellParametersProtocol->Argv[1], StrSize (gEfiShellParametersProtocol->Argv[1])); + Info->ReplacementName = Info->Set; + Info->CurrentValue = NULL; + ArgSetWalker = ArgSet; + if (ArgSetWalker[0] != L'(') { + ShellPrintHiiEx ( + -1, + -1, + NULL, + STRING_TOKEN (STR_GEN_PROBLEM_SCRIPT), + gShellLevel1HiiHandle, + ArgSet, + CurrentScriptFile->CurrentCommand->Line + ); + ShellStatus = SHELL_INVALID_PARAMETER; + } else { + TempSpot = StrStr (ArgSetWalker, L")"); + if (TempSpot != NULL) { + TempString = TempSpot+1; + if (*(TempString) != CHAR_NULL) { + while (TempString != NULL && *TempString == L' ') { + TempString++; + } + + if (StrLen (TempString) > 0) { + TempSpot = NULL; + } + } + } + + if (TempSpot == NULL) { + ShellPrintHiiEx ( + -1, + -1, + NULL, + STRING_TOKEN (STR_GEN_PROBLEM_SCRIPT), + gShellLevel1HiiHandle, + CurrentScriptFile->CurrentCommand->Line + ); + ShellStatus = SHELL_INVALID_PARAMETER; + } else { + *TempSpot = CHAR_NULL; + ArgSetWalker++; + while (ArgSetWalker != NULL && ArgSetWalker[0] == L' ') { + ArgSetWalker++; + } + + if (!ShellIsValidForNumber (ArgSetWalker)) { + ShellPrintHiiEx ( + -1, + -1, + NULL, + STRING_TOKEN (STR_GEN_PROBLEM_SCRIPT), + gShellLevel1HiiHandle, + ArgSet, + CurrentScriptFile->CurrentCommand->Line + ); + ShellStatus = SHELL_INVALID_PARAMETER; + } else { + if (ArgSetWalker[0] == L'-') { + Info->Current = 0 - (INTN)ReturnUintn (ArgSetWalker+1); + } else { + Info->Current = (INTN)ReturnUintn (ArgSetWalker); + } + + ArgSetWalker = StrStr (ArgSetWalker, L" "); + while (ArgSetWalker != NULL && ArgSetWalker[0] == L' ') { + ArgSetWalker++; + } + + if ((ArgSetWalker == NULL) || (*ArgSetWalker == CHAR_NULL) || !ShellIsValidForNumber (ArgSetWalker)) { + ShellPrintHiiEx ( + -1, + -1, + NULL, + STRING_TOKEN (STR_GEN_PROBLEM_SCRIPT), + gShellLevel1HiiHandle, + ArgSet, + CurrentScriptFile->CurrentCommand->Line + ); + ShellStatus = SHELL_INVALID_PARAMETER; + } else { + if (ArgSetWalker[0] == L'-') { + Info->End = 0 - (INTN)ReturnUintn (ArgSetWalker+1); + } else { + Info->End = (INTN)ReturnUintn (ArgSetWalker); + } + + if (Info->Current < Info->End) { + Info->Step = 1; + } else { + Info->Step = -1; + } + + ArgSetWalker = StrStr (ArgSetWalker, L" "); + while (ArgSetWalker != NULL && ArgSetWalker[0] == L' ') { + ArgSetWalker++; + } + + if ((ArgSetWalker != NULL) && (*ArgSetWalker != CHAR_NULL)) { + if ((ArgSetWalker == NULL) || (*ArgSetWalker == CHAR_NULL) || !ShellIsValidForNumber (ArgSetWalker)) { + ShellPrintHiiEx ( + -1, + -1, + NULL, + STRING_TOKEN (STR_GEN_PROBLEM_SCRIPT), + gShellLevel1HiiHandle, + ArgSet, + CurrentScriptFile->CurrentCommand->Line + ); + ShellStatus = SHELL_INVALID_PARAMETER; + } else { + if (*ArgSetWalker == L')') { + ASSERT (Info->Step == 1 || Info->Step == -1); + } else { + if (ArgSetWalker[0] == L'-') { + Info->Step = 0 - (INTN)ReturnUintn (ArgSetWalker+1); + } else { + Info->Step = (INTN)ReturnUintn (ArgSetWalker); + } + + if (StrStr (ArgSetWalker, L" ") != NULL) { + ShellPrintHiiEx ( + -1, + -1, + NULL, + STRING_TOKEN (STR_GEN_PROBLEM_SCRIPT), + gShellLevel1HiiHandle, + ArgSet, + CurrentScriptFile->CurrentCommand->Line + ); + ShellStatus = SHELL_INVALID_PARAMETER; + } + } + } + } + } + } + } + } + + if (ShellStatus == SHELL_SUCCESS) { + if (InternalIsAliasOnList (Info->ReplacementName, &CurrentScriptFile->SubstList)) { + Info->RemoveSubstAlias = FALSE; + } else { + Info->RemoveSubstAlias = TRUE; + } + } + + if (CurrentScriptFile->CurrentCommand != NULL) { + CurrentScriptFile->CurrentCommand->Data = Info; + } + } + } else { + ShellPrintHiiEx ( + -1, + -1, + NULL, + STRING_TOKEN (STR_GEN_PROBLEM_SCRIPT), + gShellLevel1HiiHandle, + ArgSet, + CurrentScriptFile != NULL + && CurrentScriptFile->CurrentCommand != NULL + ? CurrentScriptFile->CurrentCommand->Line : 0 + ); + ShellStatus = SHELL_INVALID_PARAMETER; + } + } else { + // + // These need to be NULL since they are used to determine if this is the first pass later on... + // + ASSERT (ArgSetWalker == NULL); + ASSERT (ArgSet == NULL); + } + + if ((CurrentScriptFile != NULL) && (CurrentScriptFile->CurrentCommand != NULL)) { + Info = (SHELL_FOR_INFO *)CurrentScriptFile->CurrentCommand->Data; + if (CurrentScriptFile->CurrentCommand->Reset) { + if (Info != NULL) { + Info->CurrentValue = (CHAR16 *)Info->Set; + } + + FirstPass = TRUE; + CurrentScriptFile->CurrentCommand->Reset = FALSE; + } + } else { + ShellStatus = SHELL_UNSUPPORTED; + Info = NULL; + } + + if (ShellStatus == SHELL_SUCCESS) { + ASSERT (Info != NULL); + if (Info->Step != 0) { + // + // only advance if not the first pass + // + if (!FirstPass) { + // + // sequence version of for loop... + // + Info->Current += Info->Step; + } + + TempString = AllocateZeroPool (50*sizeof (CHAR16)); + UnicodeSPrint (TempString, 50*sizeof (CHAR16), L"%d", Info->Current); + InternalUpdateAliasOnList (Info->ReplacementName, TempString, &CurrentScriptFile->SubstList); + FreePool (TempString); + + if (((Info->Step > 0) && (Info->Current > Info->End)) || ((Info->Step < 0) && (Info->Current < Info->End))) { + CurrentScriptFile->CurrentCommand->Data = NULL; + // + // find the matching endfor (we're done with the loop) + // + if (!MoveToTag (GetNextNode, L"endfor", L"for", NULL, CurrentScriptFile, TRUE, FALSE, FALSE)) { + ShellPrintHiiEx ( + -1, + -1, + NULL, + STRING_TOKEN (STR_SYNTAX_NO_MATCHING), + gShellLevel1HiiHandle, + L"EndFor", + L"For", + CurrentScriptFile != NULL + && CurrentScriptFile->CurrentCommand != NULL + ? CurrentScriptFile->CurrentCommand->Line : 0 + ); + ShellStatus = SHELL_DEVICE_ERROR; + } + + if (Info->RemoveSubstAlias) { + // + // remove item from list + // + InternalRemoveAliasFromList (Info->ReplacementName, &CurrentScriptFile->SubstList); + } + + FreePool (Info); + } + } else { + // + // Must be in 'in' version of for loop... + // + ASSERT (Info->Set != NULL); + if ((Info->CurrentValue != NULL) && (*Info->CurrentValue != CHAR_NULL)) { + if (Info->CurrentValue[0] == L' ') { + Info->CurrentValue++; + } + + if (Info->CurrentValue[0] == L'\"') { + Info->CurrentValue++; + } + + // + // do the next one of the set + // + ASSERT (TempString == NULL); + TempString = StrnCatGrow (&TempString, NULL, Info->CurrentValue, 0); + if (TempString == NULL) { + ShellStatus = SHELL_OUT_OF_RESOURCES; + } else { + TempSpot = StrStr (TempString, L"\" \""); + if (TempSpot != NULL) { + *TempSpot = CHAR_NULL; + } + + while (TempString[StrLen (TempString)-1] == L'\"') { + TempString[StrLen (TempString)-1] = CHAR_NULL; + } + + InternalUpdateAliasOnList (Info->ReplacementName, TempString, &CurrentScriptFile->SubstList); + Info->CurrentValue += StrLen (TempString); + + if (Info->CurrentValue[0] == L'\"') { + Info->CurrentValue++; + } + + FreePool (TempString); + } + } else { + CurrentScriptFile->CurrentCommand->Data = NULL; + // + // find the matching endfor (we're done with the loop) + // + if (!MoveToTag (GetNextNode, L"endfor", L"for", NULL, CurrentScriptFile, TRUE, FALSE, FALSE)) { + ShellPrintHiiEx ( + -1, + -1, + NULL, + STRING_TOKEN (STR_SYNTAX_NO_MATCHING), + gShellLevel1HiiHandle, + L"EndFor", + L"For", + CurrentScriptFile != NULL + && CurrentScriptFile->CurrentCommand != NULL + ? CurrentScriptFile->CurrentCommand->Line : 0 + ); + ShellStatus = SHELL_DEVICE_ERROR; + } + + if (Info->RemoveSubstAlias) { + // + // remove item from list + // + InternalRemoveAliasFromList (Info->ReplacementName, &CurrentScriptFile->SubstList); + } + + FreePool (Info); + } + } + } + + if (ArgSet != NULL) { + FreePool (ArgSet); + } + + return (ShellStatus); +} |
