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