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authorGuo Mang <mang.guo@intel.com>2016-12-22 17:06:43 +0800
committerGuo Mang <mang.guo@intel.com>2016-12-26 19:14:49 +0800
commit4e4db0c4b54ee5d5377fca0e4c2330286b1b0b41 (patch)
tree751790d383df04329bb700e8fe800c3d459eeaae /ShellPkg/Library/UefiShellLevel3CommandsLib/Help.c
parent1922f267f671b43de0ea43138ccb5806657056b4 (diff)
downloadedk2-platforms-4e4db0c4b54ee5d5377fca0e4c2330286b1b0b41.tar.xz
ShellPkg: Move to new location
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Guo Mang <mang.guo@intel.com>
Diffstat (limited to 'ShellPkg/Library/UefiShellLevel3CommandsLib/Help.c')
-rw-r--r--ShellPkg/Library/UefiShellLevel3CommandsLib/Help.c478
1 files changed, 0 insertions, 478 deletions
diff --git a/ShellPkg/Library/UefiShellLevel3CommandsLib/Help.c b/ShellPkg/Library/UefiShellLevel3CommandsLib/Help.c
deleted file mode 100644
index 619cdd38a7..0000000000
--- a/ShellPkg/Library/UefiShellLevel3CommandsLib/Help.c
+++ /dev/null
@@ -1,478 +0,0 @@
-/** @file
- Main file for Help shell level 3 function.
-
- Copyright (c) 2009 - 2015, Intel Corporation. All rights reserved. <BR>
- Copyright (c) 2014, ARM Limited. All rights reserved. <BR>
- (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<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 "UefiShellLevel3CommandsLib.h"
-
-#include <Library/ShellLib.h>
-#include <Library/HandleParsingLib.h>
-
-#include <Protocol/EfiShellDynamicCommand.h>
-
-/**
- function to insert string items into a list in the correct alphabetical place
-
- the resultant list is a double NULL terminated list of NULL terminated strings.
-
- upon successful return the memory must be caller freed (unless passed back in
- via a loop where it will get reallocated).
-
- @param[in,out] DestList double pointer to the list. may be NULL.
- @param[in,out] DestSize pointer to the size of list. may be 0, if DestList is NULL.
- @param[in] Item the item to insert.
-
- @retval EFI_SUCCESS the operation was successful.
-**/
-EFI_STATUS
-EFIAPI
-LexicalInsertIntoList(
- IN OUT CHAR16 **DestList,
- IN OUT UINTN *DestSize,
- IN CONST CHAR16 *Item
- )
-{
- CHAR16 *NewList;
- INTN LexicalMatchValue;
- CHAR16 *LexicalSpot;
- UINTN SizeOfAddedNameInBytes;
-
- //
- // If there are none, then just return with success
- //
- if (Item == NULL || *Item == CHAR_NULL || StrLen(Item)==0) {
- return (EFI_SUCCESS);
- }
-
- NewList = *DestList;
-
- SizeOfAddedNameInBytes = StrSize(Item);
- NewList = ReallocatePool(*DestSize, (*DestSize) + SizeOfAddedNameInBytes, NewList);
- (*DestSize) = (*DestSize) + SizeOfAddedNameInBytes;
-
- //
- // Find the correct spot in the list
- //
- for (LexicalSpot = NewList
- ; LexicalSpot != NULL && LexicalSpot < NewList + (*DestSize)
- ; LexicalSpot += StrLen(LexicalSpot) + 1
- ) {
- //
- // Get Lexical Comparison Value between PrevCommand and Command list entry
- //
- LexicalMatchValue = gUnicodeCollation->StriColl (
- gUnicodeCollation,
- (CHAR16 *)LexicalSpot,
- (CHAR16 *)Item
- );
- //
- // The new item goes before this one.
- //
- if (LexicalMatchValue > 0 || StrLen(LexicalSpot) == 0) {
- if (StrLen(LexicalSpot) != 0) {
- //
- // Move this and all other items out of the way
- //
- CopyMem(
- LexicalSpot + (SizeOfAddedNameInBytes/sizeof(CHAR16)),
- LexicalSpot,
- (*DestSize) - SizeOfAddedNameInBytes - ((LexicalSpot - NewList) * sizeof(CHAR16))
- );
- }
-
- //
- // Stick this one in place
- //
- StrCpyS(LexicalSpot, SizeOfAddedNameInBytes/sizeof(CHAR16), Item);
- break;
- }
- }
-
- *DestList = NewList;
- return (EFI_SUCCESS);
-}
-
-/**
- function to add each command name from the linked list to the string list.
-
- the resultant list is a double NULL terminated list of NULL terminated strings.
-
- @param[in,out] DestList double pointer to the list. may be NULL.
- @param[in,out] DestSize pointer to the size of list. may be 0, if DestList is NULL.
- @param[in] SourceList the double linked list of commands.
-
- @retval EFI_SUCCESS the operation was successful.
-**/
-EFI_STATUS
-EFIAPI
-CopyListOfCommandNames(
- IN OUT CHAR16 **DestList,
- IN OUT UINTN *DestSize,
- IN CONST COMMAND_LIST *SourceList
- )
-{
- CONST COMMAND_LIST *Node;
-
- for ( Node = (COMMAND_LIST*)GetFirstNode(&SourceList->Link)
- ; SourceList != NULL && !IsListEmpty(&SourceList->Link) && !IsNull(&SourceList->Link, &Node->Link)
- ; Node = (COMMAND_LIST*)GetNextNode(&SourceList->Link, &Node->Link)
- ) {
- LexicalInsertIntoList(DestList, DestSize, Node->CommandString);
- }
- return (EFI_SUCCESS);
-}
-
-/**
- function to add each dynamic command name to the string list.
-
- the resultant list is a double NULL terminated list of NULL terminated strings.
-
- @param[in,out] DestList double pointer to the list. may be NULL.
- @param[in,out] DestSize pointer to the size of list. may be 0, if DestList is NULL.
-
- @retval EFI_SUCCESS the operation was successful.
- @return an error from HandleProtocol
-**/
-STATIC
-EFI_STATUS
-EFIAPI
-CopyListOfCommandNamesWithDynamic(
- IN OUT CHAR16** DestList,
- IN OUT UINTN *DestSize
- )
-{
- EFI_HANDLE *CommandHandleList;
- CONST EFI_HANDLE *NextCommand;
- EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL *DynamicCommand;
- EFI_STATUS Status;
-
- CommandHandleList = GetHandleListByProtocol(&gEfiShellDynamicCommandProtocolGuid);
-
- //
- // If there are none, then just return with success
- //
- if (CommandHandleList == NULL) {
- return (EFI_SUCCESS);
- }
-
- Status = EFI_SUCCESS;
-
- //
- // Append those to the list.
- //
- for (NextCommand = CommandHandleList ; *NextCommand != NULL && !EFI_ERROR(Status) ; NextCommand++) {
- Status = gBS->HandleProtocol(
- *NextCommand,
- &gEfiShellDynamicCommandProtocolGuid,
- (VOID **)&DynamicCommand
- );
-
- if (EFI_ERROR(Status)) {
- continue;
- }
-
- Status = LexicalInsertIntoList(DestList, DestSize, DynamicCommand->CommandName);
- }
-
- SHELL_FREE_NON_NULL(CommandHandleList);
- return (Status);
-}
-
-
-/**
- Attempt to print help from a dynamically added command.
-
- @param[in] CommandToGetHelpOn The unicode name of the command that help is
- requested on.
- @param[in] SectionToGetHelpOn Pointer to the section specifier(s).
- @param[in] PrintCommandText Print the command followed by the help content
- or just help.
-
- @retval EFI_SUCCESS The help was displayed
- @retval EFI_NOT_FOUND The command name could not be found
- @retval EFI_DEVICE_ERROR The help data format was incorrect.
-**/
-EFI_STATUS
-EFIAPI
-PrintDynamicCommandHelp(
- IN CONST CHAR16 *CommandToGetHelpOn,
- IN CONST CHAR16 *SectionToGetHelpOn,
- IN BOOLEAN PrintCommandText
- )
-{
- EFI_STATUS Status;
- BOOLEAN Found;
- EFI_HANDLE *CommandHandleList;
- EFI_HANDLE *NextCommand;
- EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL *DynamicCommand;
-
- Status = EFI_NOT_FOUND;
- Found = FALSE;
- CommandHandleList = NULL;
-
- CommandHandleList = GetHandleListByProtocol(&gEfiShellDynamicCommandProtocolGuid);
-
- if (CommandHandleList == NULL) {
- //
- // not found or out of resources
- //
- return Status;
- }
-
- for (NextCommand = CommandHandleList; *NextCommand != NULL; NextCommand++) {
- Status = gBS->HandleProtocol(
- *NextCommand,
- &gEfiShellDynamicCommandProtocolGuid,
- (VOID **)&DynamicCommand
- );
-
- if (EFI_ERROR(Status)) {
- continue;
- }
-
- //
- // Check execution break flag when printing multiple command help information.
- //
- if (ShellGetExecutionBreakFlag ()) {
- break;
- }
-
- if ((gUnicodeCollation->MetaiMatch (gUnicodeCollation, (CHAR16 *)DynamicCommand->CommandName, (CHAR16*)CommandToGetHelpOn)) ||
- (gEfiShellProtocol->GetAlias (CommandToGetHelpOn, NULL) != NULL && (gUnicodeCollation->MetaiMatch (gUnicodeCollation, (CHAR16 *)DynamicCommand->CommandName, (CHAR16*)(gEfiShellProtocol->GetAlias(CommandToGetHelpOn, NULL)))))) {
- // Print as Shell Help if in ManPage format.
- Status = ShellPrintHelp (DynamicCommand->CommandName, SectionToGetHelpOn,
- PrintCommandText);
- if (Status == EFI_DEVICE_ERROR) {
- ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_HELP_INV),
- gShellLevel3HiiHandle, DynamicCommand->CommandName);
- } else if (EFI_ERROR(Status)) {
- ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_HELP_NF),
- gShellLevel3HiiHandle, DynamicCommand->CommandName);
- } else {
- Found = TRUE;
- }
- }
- }
-
- SHELL_FREE_NON_NULL(CommandHandleList);
-
- return (Found ? EFI_SUCCESS : Status);
-
-}
-
-STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
- {L"-usage", TypeFlag},
- {L"-section", TypeMaxValue},
- {L"-verbose", TypeFlag},
- {L"-v", TypeFlag},
- {NULL, TypeMax}
- };
-
-/**
- Function for 'help' 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
-ShellCommandRunHelp (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- EFI_STATUS Status;
- LIST_ENTRY *Package;
- CHAR16 *ProblemParam;
- SHELL_STATUS ShellStatus;
- CHAR16 *SortedCommandList;
- CONST CHAR16 *CurrentCommand;
- CHAR16 *CommandToGetHelpOn;
- CHAR16 *SectionToGetHelpOn;
- CHAR16 *HiiString;
- BOOLEAN Found;
- BOOLEAN PrintCommandText;
- UINTN SortedCommandListSize;
-
- PrintCommandText = TRUE;
- ProblemParam = NULL;
- ShellStatus = SHELL_SUCCESS;
- CommandToGetHelpOn = NULL;
- SectionToGetHelpOn = NULL;
- SortedCommandList = NULL;
- Found = FALSE;
-
- //
- // initialize the shell lib (we must be in non-auto-init...)
- //
- Status = ShellInitialize();
- ASSERT_EFI_ERROR(Status);
-
- Status = CommandInit();
- 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), gShellLevel3HiiHandle, L"help", ProblemParam);
- FreePool(ProblemParam);
- ShellStatus = SHELL_INVALID_PARAMETER;
- } else {
- ASSERT(FALSE);
- }
- } else {
- //
- // Check for conflicting parameters.
- //
- if (ShellCommandLineGetFlag(Package, L"-usage")
- &&ShellCommandLineGetFlag(Package, L"-section")
- &&(ShellCommandLineGetFlag(Package, L"-verbose") || ShellCommandLineGetFlag(Package, L"-v"))
- ){
- ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_CON), gShellLevel3HiiHandle, L"help");
- ShellStatus = SHELL_INVALID_PARAMETER;
- } else if (ShellCommandLineGetRawValue(Package, 2) != NULL) {
- ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel3HiiHandle, L"help");
- ShellStatus = SHELL_INVALID_PARAMETER;
- } else {
- //
- // Get the command name we are getting help on
- //
- ASSERT(CommandToGetHelpOn == NULL);
- StrnCatGrow(&CommandToGetHelpOn, NULL, ShellCommandLineGetRawValue(Package, 1), 0);
- if (CommandToGetHelpOn == NULL && ShellCommandLineGetFlag(Package, L"-?")) {
- //
- // If we dont have a command and we got a simple -?
- // we are looking for help on help command.
- //
- StrnCatGrow(&CommandToGetHelpOn, NULL, L"help", 0);
- }
-
- if (CommandToGetHelpOn == NULL) {
- StrnCatGrow(&CommandToGetHelpOn, NULL, L"*", 0);
- ASSERT(SectionToGetHelpOn == NULL);
- StrnCatGrow(&SectionToGetHelpOn, NULL, L"NAME", 0);
- } else {
- PrintCommandText = FALSE;
- ASSERT(SectionToGetHelpOn == NULL);
- //
- // Get the section name for the given command name
- //
- if (ShellCommandLineGetFlag(Package, L"-section")) {
- StrnCatGrow(&SectionToGetHelpOn, NULL, ShellCommandLineGetValue(Package, L"-section"), 0);
- } else if (ShellCommandLineGetFlag(Package, L"-usage")) {
- StrnCatGrow(&SectionToGetHelpOn, NULL, L"NAME,SYNOPSIS", 0);
- } else if (ShellCommandLineGetFlag(Package, L"-verbose") || ShellCommandLineGetFlag(Package, L"-v")) {
- } else {
- //
- // The output of help <command> will display NAME, SYNOPSIS, OPTIONS, DESCRIPTION, and EXAMPLES sections.
- //
- StrnCatGrow (&SectionToGetHelpOn, NULL, L"NAME,SYNOPSIS,OPTIONS,DESCRIPTION,EXAMPLES", 0);
- }
- }
-
- if (gUnicodeCollation->StriColl(gUnicodeCollation, CommandToGetHelpOn, L"special") == 0) {
- //
- // we need info on the special characters
- //
- ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_HELP_SC_HEADER), gShellLevel3HiiHandle);
- HiiString = HiiGetString(gShellLevel3HiiHandle, STRING_TOKEN(STR_HELP_SC_DATA), NULL);
- ShellPrintEx(-1, -1, L"%s", HiiString);
- FreePool(HiiString);
- Found = TRUE;
- } else {
- SortedCommandList = NULL;
- SortedCommandListSize = 0;
- CopyListOfCommandNames(&SortedCommandList, &SortedCommandListSize, ShellCommandGetCommandList(TRUE));
- CopyListOfCommandNamesWithDynamic(&SortedCommandList, &SortedCommandListSize);
-
- for (CurrentCommand = SortedCommandList
- ; CurrentCommand != NULL && *CurrentCommand != CHAR_NULL && CurrentCommand < SortedCommandList + SortedCommandListSize/sizeof(CHAR16)
- ; CurrentCommand += StrLen(CurrentCommand) + 1
- ) {
- //
- // Checking execution break flag when print multiple command help information.
- //
- if (ShellGetExecutionBreakFlag ()) {
- break;
- }
-
- if ((gUnicodeCollation->MetaiMatch(gUnicodeCollation, (CHAR16*)CurrentCommand, CommandToGetHelpOn)) ||
- (gEfiShellProtocol->GetAlias(CommandToGetHelpOn, NULL) != NULL && (gUnicodeCollation->MetaiMatch(gUnicodeCollation, (CHAR16*)CurrentCommand, (CHAR16*)(gEfiShellProtocol->GetAlias(CommandToGetHelpOn, NULL)))))) {
- //
- // We have a command to look for help on.
- //
- Status = ShellPrintHelp(CurrentCommand, SectionToGetHelpOn, PrintCommandText);
- if (EFI_ERROR(Status)) {
- //
- // now try to match against the dynamic command list and print help
- //
- Status = PrintDynamicCommandHelp (CurrentCommand, SectionToGetHelpOn, PrintCommandText);
- }
- if (Status == EFI_DEVICE_ERROR) {
- ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_HELP_INV), gShellLevel3HiiHandle, CurrentCommand);
- } else if (EFI_ERROR(Status)) {
- ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_HELP_NF), gShellLevel3HiiHandle, CurrentCommand);
- } else {
- Found = TRUE;
- }
- }
- }
-
- //
- // Search the .man file for Shell applications (Shell external commands).
- //
- if (!Found) {
- Status = ShellPrintHelp(CommandToGetHelpOn, SectionToGetHelpOn, FALSE);
- if (Status == EFI_DEVICE_ERROR) {
- ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_HELP_INV), gShellLevel3HiiHandle, CommandToGetHelpOn);
- } else if (EFI_ERROR(Status)) {
- ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_HELP_NF), gShellLevel3HiiHandle, CommandToGetHelpOn);
- } else {
- Found = TRUE;
- }
- }
- }
-
- if (!Found) {
- ShellStatus = SHELL_NOT_FOUND;
- }
-
- //
- // free the command line package
- //
- ShellCommandLineFreeVarList (Package);
- }
- }
-
- if (CommandToGetHelpOn != NULL && StrCmp(CommandToGetHelpOn, L"*") == 0){
- //
- // If '*' then the command entered was 'Help' without qualifiers, This footer
- // provides additional info on help switches
- //
- ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_HELP_FOOTER), gShellLevel3HiiHandle);
- }
- if (CommandToGetHelpOn != NULL) {
- FreePool(CommandToGetHelpOn);
- }
- if (SectionToGetHelpOn != NULL) {
- FreePool(SectionToGetHelpOn);
- }
- SHELL_FREE_NON_NULL(SortedCommandList);
-
- return (ShellStatus);
-}