| Vishal Bhoj | 82c8071 | 2015-12-15 21:13:33 +0530 | [diff] [blame] | 1 | /** @file
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| 2 | Main file for Pause shell level 3 function.
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| 3 |
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| 4 | (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
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| 5 | Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved. <BR>
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| 6 | This program and the accompanying materials
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| 7 | are licensed and made available under the terms and conditions of the BSD License
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| 8 | which accompanies this distribution. The full text of the license may be found at
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| 9 | http://opensource.org/licenses/bsd-license.php
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| 10 |
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| 11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| 12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 13 |
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| 14 | **/
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| 15 |
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| 16 | #include "UefiShellLevel3CommandsLib.h"
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| 17 |
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| 18 | STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
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| 19 | {L"-q", TypeFlag},
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| 20 | {NULL, TypeMax}
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| 21 | };
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| 22 |
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| 23 | /**
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| 24 | Function for 'pause' command.
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| 25 |
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| 26 | @param[in] ImageHandle Handle to the Image (NULL if Internal).
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| 27 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).
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| 28 | **/
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| 29 | SHELL_STATUS
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| 30 | EFIAPI
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| 31 | ShellCommandRunPause (
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| 32 | IN EFI_HANDLE ImageHandle,
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| 33 | IN EFI_SYSTEM_TABLE *SystemTable
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| 34 | )
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| 35 | {
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| 36 | EFI_STATUS Status;
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| 37 | LIST_ENTRY *Package;
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| 38 | CHAR16 *ProblemParam;
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| 39 | SHELL_STATUS ShellStatus;
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| 40 | SHELL_PROMPT_RESPONSE *Resp;
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| 41 |
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| 42 | ProblemParam = NULL;
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| 43 | ShellStatus = SHELL_SUCCESS;
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| 44 | Resp = NULL;
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| 45 |
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| 46 | //
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| 47 | // initialize the shell lib (we must be in non-auto-init...)
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| 48 | //
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| 49 | Status = ShellInitialize();
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| 50 | ASSERT_EFI_ERROR(Status);
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| 51 |
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| 52 | Status = CommandInit();
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| 53 | ASSERT_EFI_ERROR(Status);
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| 54 |
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| 55 | if (!gEfiShellProtocol->BatchIsActive()) {
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| 56 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_NO_SCRIPT), gShellLevel3HiiHandle, L"pause");
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| 57 | return (SHELL_UNSUPPORTED);
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| 58 | }
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| 59 |
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| 60 | //
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| 61 | // parse the command line
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| 62 | //
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| 63 | Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);
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| 64 | if (EFI_ERROR(Status)) {
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| 65 | if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
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| 66 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel3HiiHandle, L"pause", ProblemParam);
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| 67 | FreePool(ProblemParam);
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| 68 | ShellStatus = SHELL_INVALID_PARAMETER;
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| 69 | } else {
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| 70 | ASSERT(FALSE);
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| 71 | }
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| 72 | } else {
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| 73 | //
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| 74 | // check for "-?"
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| 75 | //
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| 76 | if (ShellCommandLineGetFlag(Package, L"-?")) {
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| 77 | ASSERT(FALSE);
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| 78 | } else if (ShellCommandLineGetRawValue(Package, 1) != NULL) {
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| 79 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel3HiiHandle, L"pause");
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| 80 | ShellStatus = SHELL_INVALID_PARAMETER;
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| 81 | } else {
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| 82 | if (!ShellCommandLineGetFlag(Package, L"-q")) {
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| 83 | Status = ShellPromptForResponseHii(ShellPromptResponseTypeQuitContinue, STRING_TOKEN (STR_PAUSE_PROMPT), gShellLevel3HiiHandle, (VOID**)&Resp);
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| 84 | } else {
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| 85 | Status = ShellPromptForResponse(ShellPromptResponseTypeQuitContinue, NULL, (VOID**)&Resp);
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| 86 | }
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| 87 |
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| 88 | if (EFI_ERROR(Status) || Resp == NULL || *Resp == ShellPromptResponseQuit) {
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| 89 | ShellCommandRegisterExit(TRUE, 0);
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| 90 | ShellStatus = SHELL_ABORTED;
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| 91 | }
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| 92 |
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| 93 | if (Resp != NULL) {
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| 94 | FreePool(Resp);
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| 95 | }
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| 96 | }
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| 97 |
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| 98 | //
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| 99 | // free the command line package
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| 100 | //
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| 101 | ShellCommandLineFreeVarList (Package);
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| 102 | }
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| 103 |
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| 104 |
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| 105 | return (ShellStatus);
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| 106 | }
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| 107 |
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