cls - add input verification.

echo - add input verificaiton.
help - prints out commands in sorted order.
touch - add comments.
type - add error when file not found.  add comments.

main lib files:
add comments, clarify error messages.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11427 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 10 insertions, 5 deletions

diff --git a/ShellPkg/Library/UefiShellLevel3CommandsLib/Help.c b/ShellPkg/Library/UefiShellLevel3CommandsLib/Help.c
index 04e3d31dba..1c643b0e57 100644
--- a/ShellPkg/Library/UefiShellLevel3CommandsLib/Help.c
+++ b/ShellPkg/Library/UefiShellLevel3CommandsLib/Help.c
@@ -1,7 +1,7 @@
 /** @file

   Main file for Help shell level 3 function.

 

-  Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved. <BR>

+  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

@@ -18,7 +18,7 @@
 

 STATIC CONST SHELL_PARAM_ITEM ParamList[] = {

   {L"-usage", TypeFlag},

-  {L"-section", TypeValue},

+  {L"-section", TypeMaxValue},

   {L"-verbose", TypeFlag},

   {L"-v", TypeFlag},

   {NULL, TypeMax}

@@ -133,19 +133,24 @@ ShellCommandRunHelp (
         FreePool(HiiString);

         Found = TRUE;

       } else {

-        CommandList = ShellCommandGetCommandList();

+        CommandList = ShellCommandGetCommandList(TRUE);

         ASSERT(CommandList != NULL);

         for ( Node = (COMMAND_LIST*)GetFirstNode(&CommandList->Link)

             ; CommandList != NULL && !IsListEmpty(&CommandList->Link) && !IsNull(&CommandList->Link, &Node->Link)

             ; Node = (COMMAND_LIST*)GetNextNode(&CommandList->Link, &Node->Link)

            ){

-          if (gUnicodeCollation->MetaiMatch(gUnicodeCollation, Node->CommandString, CommandToGetHelpOn)) {

+          if ((gUnicodeCollation->MetaiMatch(gUnicodeCollation, Node->CommandString, CommandToGetHelpOn)) ||

+             (gEfiShellProtocol->GetAlias(CommandToGetHelpOn, NULL) != NULL && (gUnicodeCollation->MetaiMatch(gUnicodeCollation, Node->CommandString, (CHAR16*)(gEfiShellProtocol->GetAlias(CommandToGetHelpOn, NULL)))))) {

             //

             // We have a command to look for help on.

             //

             Status = gEfiShellProtocol->GetHelpText(Node->CommandString, SectionToGetHelpOn, &OutText);

             if (EFI_ERROR(Status) || OutText == NULL) {

-              ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_HELP_NF), gShellLevel3HiiHandle, Node->CommandString);

+              if (Status == EFI_DEVICE_ERROR) {

+                ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_HELP_INV), gShellLevel3HiiHandle, Node->CommandString);

+              } else {

+                ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_HELP_NF), gShellLevel3HiiHandle, Node->CommandString);

+              }

               ShellStatus = SHELL_NOT_FOUND;

             } else {

               while (OutText[StrLen(OutText)-1] == L'\r' || OutText[StrLen(OutText)-1] == L'\n' || OutText[StrLen(OutText)-1] == L' ') {