/** @file
Main file for NULL named library for level 1 shell command functions.
Copyright (c) 2009 - 2011, 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
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 "UefiShellLevel1CommandsLib.h"
/**
Return the help text filename. Only used if no HII information found.
@retval the filename.
**/
)
{
return (mFileName);
}
/**
Constructor for the Shell Level 1 Commands library.
Install the handlers for level 1 UEFI Shell 2.0 commands.
@param ImageHandle the image handle of the process
@param SystemTable the EFI System Table pointer
@retval EFI_SUCCESS the shell command handlers were installed sucessfully
@retval EFI_UNSUPPORTED the shell level required was not found.
**/
)
{
//
// if shell level is less than 2 do nothing
//
return (EFI_SUCCESS);
}
gShellLevel1HiiHandle = HiiAddPackages (&gShellLevel1HiiGuid, gImageHandle, UefiShellLevel1CommandsLibStrings, NULL);
if (gShellLevel1HiiHandle == NULL) {
return (EFI_DEVICE_ERROR);
}
//
// install our shell command handlers that are always installed
//
ShellCommandRegisterCommandName(L"stall", ShellCommandRunStall , ShellCommandGetManFileNameLevel1, 1, L"", FALSE, gShellLevel1HiiHandle, (EFI_STRING_ID)(PcdGet8(PcdShellSupportLevel) < 3 ? 0 : STRING_TOKEN(STR_GET_HELP_STALL) ));
ShellCommandRegisterCommandName(L"for", ShellCommandRunFor , ShellCommandGetManFileNameLevel1, 1, L"", FALSE, gShellLevel1HiiHandle, (EFI_STRING_ID)(PcdGet8(PcdShellSupportLevel) < 3 ? 0 : STRING_TOKEN(STR_GET_HELP_FOR) ));
ShellCommandRegisterCommandName(L"goto", ShellCommandRunGoto , ShellCommandGetManFileNameLevel1, 1, L"", FALSE, gShellLevel1HiiHandle, (EFI_STRING_ID)(PcdGet8(PcdShellSupportLevel) < 3 ? 0 : STRING_TOKEN(STR_GET_HELP_GOTO) ));
ShellCommandRegisterCommandName(L"if", ShellCommandRunIf , ShellCommandGetManFileNameLevel1, 1, L"", FALSE, gShellLevel1HiiHandle, (EFI_STRING_ID)(PcdGet8(PcdShellSupportLevel) < 3 ? 0 : STRING_TOKEN(STR_GET_HELP_IF) ));
ShellCommandRegisterCommandName(L"shift", ShellCommandRunShift , ShellCommandGetManFileNameLevel1, 1, L"", FALSE, gShellLevel1HiiHandle, (EFI_STRING_ID)(PcdGet8(PcdShellSupportLevel) < 3 ? 0 : STRING_TOKEN(STR_GET_HELP_SHIFT) ));
ShellCommandRegisterCommandName(L"exit", ShellCommandRunExit , ShellCommandGetManFileNameLevel1, 1, L"", TRUE , gShellLevel1HiiHandle, (EFI_STRING_ID)(PcdGet8(PcdShellSupportLevel) < 3 ? 0 : STRING_TOKEN(STR_GET_HELP_EXIT) ));
ShellCommandRegisterCommandName(L"else", ShellCommandRunElse , ShellCommandGetManFileNameLevel1, 1, L"", FALSE, gShellLevel1HiiHandle, (EFI_STRING_ID)(PcdGet8(PcdShellSupportLevel) < 3 ? 0 : STRING_TOKEN(STR_GET_HELP_ELSE) ));
ShellCommandRegisterCommandName(L"endif", ShellCommandRunEndIf , ShellCommandGetManFileNameLevel1, 1, L"", FALSE, gShellLevel1HiiHandle, (EFI_STRING_ID)(PcdGet8(PcdShellSupportLevel) < 3 ? 0 : STRING_TOKEN(STR_GET_HELP_ENDIF) ));
ShellCommandRegisterCommandName(L"endfor", ShellCommandRunEndFor , ShellCommandGetManFileNameLevel1, 1, L"", FALSE, gShellLevel1HiiHandle, (EFI_STRING_ID)(PcdGet8(PcdShellSupportLevel) < 3 ? 0 : STRING_TOKEN(STR_GET_HELP_ENDFOR)));
return (EFI_SUCCESS);
}
/**
Destructor for the library. free any resources.
@param ImageHandle The image handle of the process.
@param SystemTable The EFI System Table pointer.
**/
)
{
if (gShellLevel1HiiHandle != NULL) {
}
return (EFI_SUCCESS);
}
/**
Test a node to see if meets the criterion.
It functions so that count starts at 1 and it increases or decreases when it
hits the specified tags. when it hits zero the location has been found.
similar paired types where the entire middle should be ignored.
If label is used it will be used instead of the count.
@param[in] Function The function to use to enumerate through the
list. Normally GetNextNode or GetPreviousNode.
@param[in] DecrementerTag The tag to decrement the count at.
@param[in] IncrementerTag The tag to increment the count at.
@param[in] Label A label to look for.
@param[in, out] ScriptFile The pointer to the current script file structure.
@param[in] MovePast TRUE makes function return 1 past the found
location.
@param[in] FindOnly TRUE to not change the ScriptFile.
@param[in] CommandNode The pointer to the Node to test.
@param[in, out] TargetCount The pointer to the current count.
**/
)
{
//
// get just the first part of the command line...
//
CommandName = NULL;
if (CommandName == NULL) {
return (FALSE);
}
while(CommandNameWalker[0] == L' ') {
}
if (TempLocation != NULL) {
}
//
// did we find a nested item ?
//
if (gUnicodeCollation->StriColl(
(CHAR16*)IncrementerTag) == 0) {
(*TargetCount)++;
} else if (gUnicodeCollation->StriColl(
(CHAR16*)DecrementerTag) == 0) {
if (*TargetCount > 0) {
(*TargetCount)--;
}
}
//
// did we find the matching one...
//
if (*TargetCount == 0) {
if (!FindOnly) {
if (MovePast) {
ScriptFile->CurrentCommand = (SCRIPT_COMMAND_LIST *)(*Function)(&ScriptFile->CommandList, &CommandNode->Link);
} else {
}
}
}
} else {
if (gUnicodeCollation->StriColl(
&& (*TargetCount) == 0) {
if (!FindOnly) {
//
// we found the target label without loops
//
if (MovePast) {
ScriptFile->CurrentCommand = (SCRIPT_COMMAND_LIST *)(*Function)(&ScriptFile->CommandList, &CommandNode->Link);
} else {
}
}
}
}
//
// Free the memory for this loop...
//
return (Found);
}
/**
Move the script pointer from 1 tag (line) to another.
It functions so that count starts at 1 and it increases or decreases when it
hits the specified tags. when it hits zero the location has been found.
similar paired types where the entire middle should be ignored.
If label is used it will be used instead of the count.
@param[in] Function The function to use to enumerate through the
list. Normally GetNextNode or GetPreviousNode.
@param[in] DecrementerTag The tag to decrement the count at.
@param[in] IncrementerTag The tag to increment the count at.
@param[in] Label A label to look for.
@param[in, out] ScriptFile The pointer to the current script file structure.
@param[in] MovePast TRUE makes function return 1 past the found
location.
@param[in] FindOnly TRUE to not change the ScriptFile.
@param[in] WrapAroundScript TRUE to wrap end-to-begining or vise versa in
searching.
**/
)
{
TargetCount = 1;
} else {
TargetCount = 0;
}
if (ScriptFile == NULL) {
return FALSE;
}
for (CommandNode = (SCRIPT_COMMAND_LIST *)(*Function)(&ScriptFile->CommandList, &ScriptFile->CurrentCommand->Link), Found = FALSE
){
&TargetCount);
}
if (WrapAroundScript && !Found) {
){
&TargetCount);
}
}
return (Found);
}