ShellPkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / ShellPkg / Library / UefiShellDebug1CommandsLib / Edit / Edit.c

/** @file\r
  Main file for Edit shell Debug1 function.\r
\r
  (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>\r
  Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved. <BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include "UefiShellDebug1CommandsLib.h"\r
#include "TextEditor.h"\r
\r
/**\r
  Function for 'edit' command.\r
\r
  @param[in] ImageHandle  Handle to the Image (NULL if Internal).\r
  @param[in] SystemTable  Pointer to the System Table (NULL if Internal).\r
**/\r
SHELL_STATUS\r
EFIAPI\r
ShellCommandRunEdit (\r
  IN EFI_HANDLE        ImageHandle,\r
  IN EFI_SYSTEM_TABLE  *SystemTable\r
  )\r
{\r
  EFI_STATUS          Status;\r
  CHAR16              *Buffer;\r
  CHAR16              *ProblemParam;\r
  SHELL_STATUS        ShellStatus;\r
  LIST_ENTRY          *Package;\r
  CONST CHAR16        *Cwd;\r
  CHAR16              *Nfs;\r
  CHAR16              *Spot;\r
  CONST CHAR16        *TempParam;\r
//  SHELL_FILE_HANDLE   TempHandle;\r
\r
  Buffer      = NULL;\r
  ShellStatus = SHELL_SUCCESS;\r
  Nfs         = NULL;\r
\r
  //\r
  // initialize the shell lib (we must be in non-auto-init...)\r
  //\r
  Status = ShellInitialize();\r
  ASSERT_EFI_ERROR(Status);\r
\r
  Status = CommandInit();\r
  ASSERT_EFI_ERROR(Status);\r
\r
  //\r
  // parse the command line\r
  //\r
  Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);\r
  if (EFI_ERROR(Status)) {\r
    if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {\r
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, L"edit", ProblemParam);\r
      FreePool(ProblemParam);\r
      ShellStatus = SHELL_INVALID_PARAMETER;\r
    } else {\r
      ASSERT(FALSE);\r
    }\r
  } else {\r
    if (ShellCommandLineGetCount(Package) > 2) {\r
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle, L"edit");\r
      ShellStatus = SHELL_INVALID_PARAMETER;\r
    } else {\r
      Cwd = gEfiShellProtocol->GetCurDir(NULL);\r
      if (Cwd == NULL) {\r
        Cwd = ShellGetEnvironmentVariable(L"path");\r
        if (Cwd != NULL) {\r
          Nfs = StrnCatGrow(&Nfs, NULL, Cwd+3, 0);\r
          if (Nfs != NULL) {\r
            Spot = StrStr(Nfs, L";");\r
            if (Spot != NULL) {\r
              *Spot = CHAR_NULL;\r
            }\r
            Spot = StrStr(Nfs, L"\\");\r
            if (Spot != NULL) {\r
              Spot[1] = CHAR_NULL;\r
            }\r
            gEfiShellProtocol->SetCurDir(NULL, Nfs);\r
            FreePool(Nfs);\r
          }\r
        }\r
      }\r
\r
      Status = MainEditorInit ();\r
\r
      if (EFI_ERROR (Status)) {\r
        gST->ConOut->ClearScreen (gST->ConOut);\r
        gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r
        ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN(STR_EDIT_MAIN_INIT_FAILED), gShellDebug1HiiHandle);\r
      } else {\r
        MainEditorBackup ();\r
\r
        //\r
        // if editor launched with file named\r
        //\r
        if (ShellCommandLineGetCount(Package) == 2) {\r
          TempParam = ShellCommandLineGetRawValue(Package, 1);\r
          ASSERT(TempParam != NULL);\r
          FileBufferSetFileName (TempParam);\r
//          if (EFI_ERROR(ShellFileExists(MainEditor.FileBuffer->FileName))) {\r
//            Status = ShellOpenFileByName(MainEditor.FileBuffer->FileName, &TempHandle, EFI_FILE_MODE_CREATE|EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE, 0);\r
//            if (!EFI_ERROR(Status)) {\r
//              ShellCloseFile(&TempHandle);\r
//            }\r
//          }\r
        }\r
\r
        Status = FileBufferRead (MainEditor.FileBuffer->FileName, FALSE);\r
        if (!EFI_ERROR (Status)) {\r
          MainEditorRefresh ();\r
\r
          Status = MainEditorKeyInput ();\r
        }\r
\r
        if (Status != EFI_OUT_OF_RESOURCES) {\r
          //\r
          // back up the status string\r
          //\r
          Buffer = CatSPrint (NULL, L"%s", StatusBarGetString());\r
        }\r
\r
        MainEditorCleanup ();\r
\r
        //\r
        // print editor exit code on screen\r
        //\r
        if (Status == EFI_SUCCESS) {\r
        } else if (Status == EFI_OUT_OF_RESOURCES) {\r
          ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN(STR_GEN_OUT_MEM), gShellDebug1HiiHandle, L"edit");\r
        } else {\r
          if (Buffer != NULL) {\r
            if (StrCmp (Buffer, L"") != 0) {\r
              //\r
              // print out the status string\r
              //\r
              ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN(STR_EDIT_MAIN_BUFFER), gShellDebug1HiiHandle, Buffer);\r
            } else {\r
              ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN(STR_EDIT_MAIN_UNKNOWN_EDITOR_ERR), gShellDebug1HiiHandle);\r
            }\r
          } else {\r
            ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN(STR_EDIT_MAIN_UNKNOWN_EDITOR_ERR), gShellDebug1HiiHandle);\r
          }\r
        }\r
\r
        if (Status != EFI_OUT_OF_RESOURCES) {\r
          SHELL_FREE_NON_NULL (Buffer);\r
        }\r
      }\r
    }\r
    ShellCommandLineFreeVarList (Package);\r
  }\r
  return ShellStatus;\r
}\r