From 632820d1cf1ce7a18ef354255eaeae6fdbf383b9 Mon Sep 17 00:00:00 2001
From: jcarsey <jcarsey@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Fri, 25 Mar 2011 21:15:07 +0000
Subject: add Edit and HexEdit commands.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11436 6f19259b-4bc3-4df7-8a09-765794883524
---
 .../Library/UefiShellDebug1CommandsLib/Edit/Edit.c | 158 +++++++++++++++++++++
 1 file changed, 158 insertions(+)
 create mode 100644 ShellPkg/Library/UefiShellDebug1CommandsLib/Edit/Edit.c

(limited to 'ShellPkg/Library/UefiShellDebug1CommandsLib/Edit/Edit.c')

diff --git a/ShellPkg/Library/UefiShellDebug1CommandsLib/Edit/Edit.c b/ShellPkg/Library/UefiShellDebug1CommandsLib/Edit/Edit.c
new file mode 100644
index 0000000000..c4dbf80c96
--- /dev/null
+++ b/ShellPkg/Library/UefiShellDebug1CommandsLib/Edit/Edit.c
@@ -0,0 +1,158 @@
+/** @file
+  Main file for Edit shell Debug1 function.
+
+  Copyright (c) 2005 - 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
+  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 "UefiShellDebug1CommandsLib.h"
+#include "TextEditor.h"
+
+/**
+  Function for 'edit' 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
+ShellCommandRunEdit (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  EFI_STATUS          Status;
+  CHAR16              *Buffer;
+  CHAR16              *ProblemParam;
+  SHELL_STATUS        ShellStatus;
+  LIST_ENTRY          *Package;
+  CONST CHAR16        *Cwd;
+  CHAR16              *Nfs;
+  CHAR16              *Spot;
+//  SHELL_FILE_HANDLE   TempHandle;
+
+  Buffer      = NULL;
+  ShellStatus = SHELL_SUCCESS;
+  Nfs         = NULL;
+
+  //
+  // 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 (EmptyParamList, &Package, &ProblemParam, TRUE);
+  if (EFI_ERROR(Status)) {
+    if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
+      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, ProblemParam);
+      FreePool(ProblemParam);
+      ShellStatus = SHELL_INVALID_PARAMETER;
+    } else {
+      ASSERT(FALSE);
+    }
+  } else {
+    if (ShellCommandLineGetCount(Package) > 2) {
+      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle);
+      ShellStatus = SHELL_INVALID_PARAMETER;
+    } else {
+      Cwd = gEfiShellProtocol->GetCurDir(NULL);
+      if (Cwd == NULL) {
+        Cwd = ShellGetEnvironmentVariable(L"path");
+        if (Cwd != NULL) {
+          Nfs = StrnCatGrow(&Nfs, NULL, Cwd+3, 0);
+          if (Nfs != NULL) {
+            Spot = StrStr(Nfs, L";");
+            if (Spot != NULL) {
+              *Spot = CHAR_NULL;
+            }
+            Spot = StrStr(Nfs, L"\\");
+            if (Spot != NULL) {
+              Spot[1] = CHAR_NULL;
+            }
+            gEfiShellProtocol->SetCurDir(NULL, Nfs);
+            FreePool(Nfs);
+          } 
+        }
+      }
+
+      Status = MainEditorInit ();
+
+      if (EFI_ERROR (Status)) {
+        gST->ConOut->ClearScreen (gST->ConOut);
+        gST->ConOut->EnableCursor (gST->ConOut, TRUE);
+        ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN(STR_EDIT_MAIN_INIT_FAILED), gShellDebug1HiiHandle);
+      } else {
+        MainEditorBackup ();
+
+        //
+        // if editor launched with file named
+        //
+        if (ShellCommandLineGetCount(Package) == 2) {
+          FileBufferSetFileName (ShellCommandLineGetRawValue(Package, 1));
+//          if (EFI_ERROR(ShellFileExists(MainEditor.FileBuffer->FileName))) {
+//            Status = ShellOpenFileByName(MainEditor.FileBuffer->FileName, &TempHandle, EFI_FILE_MODE_CREATE|EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE, 0);
+//            if (!EFI_ERROR(Status)) {
+//              ShellCloseFile(&TempHandle);
+//            }
+//          }
+        }
+
+        Status = FileBufferRead (MainEditor.FileBuffer->FileName, FALSE);
+        if (!EFI_ERROR (Status)) {
+          MainEditorRefresh ();
+
+          Status = MainEditorKeyInput ();
+        }
+
+        if (Status != EFI_OUT_OF_RESOURCES) {
+          //
+          // back up the status string
+          //
+          Buffer = CatSPrint (NULL, L"%s", StatusBarGetString());
+        }
+
+        MainEditorCleanup ();
+
+        //
+        // print editor exit code on screen
+        //
+        if (Status == EFI_SUCCESS) {
+        } else if (Status == EFI_OUT_OF_RESOURCES) {
+          ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN(STR_GEN_OUT_MEM), gShellDebug1HiiHandle);
+        } else {
+          if (Buffer != NULL) {
+            if (StrCmp (Buffer, L"") != 0) {
+              //
+              // print out the status string
+              //
+              ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN(STR_EDIT_MAIN_BUFFER), gShellDebug1HiiHandle, Buffer);
+            } else {
+              ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN(STR_EDIT_MAIN_UNKNOWN_EDITOR_ERR), gShellDebug1HiiHandle);
+            }
+          } else {
+            ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN(STR_EDIT_MAIN_UNKNOWN_EDITOR_ERR), gShellDebug1HiiHandle);
+          }
+        }
+
+        if (Status != EFI_OUT_OF_RESOURCES) {
+          SHELL_FREE_NON_NULL (Buffer);
+        }
+      }
+    }
+    ShellCommandLineFreeVarList (Package);
+  }
+  return ShellStatus;
+}
-- 
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