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Diffstat (limited to 'ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/MainHexEditor.c')
-rw-r--r--ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/MainHexEditor.c4798
1 files changed, 2399 insertions, 2399 deletions
diff --git a/ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/MainHexEditor.c b/ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/MainHexEditor.c
index 0eb917acf7..f23e997366 100644
--- a/ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/MainHexEditor.c
+++ b/ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/MainHexEditor.c
@@ -1,2399 +1,2399 @@
-/** @file
- Defines the Main Editor data type -
- - Global variables
- - Instances of the other objects of the editor
- - Main Interfaces
-
- Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved. <BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#include "HexEditor.h"
-#include "EditStatusBar.h"
-#include "EditInputBar.h"
-
-HEFI_EDITOR_COLOR_ATTRIBUTES HOriginalColors;
-INTN HOriginalMode;
-
-//
-// the first time editor launch
-//
-BOOLEAN HEditorFirst;
-
-//
-// it's time editor should exit
-//
-BOOLEAN HEditorExit;
-
-BOOLEAN HEditorMouseAction;
-
-extern HEFI_EDITOR_BUFFER_IMAGE HBufferImage;
-extern HEFI_EDITOR_BUFFER_IMAGE HBufferImageBackupVar;
-
-extern BOOLEAN HBufferImageMouseNeedRefresh;
-extern BOOLEAN HBufferImageNeedRefresh;
-extern BOOLEAN HBufferImageOnlyLineNeedRefresh;
-
-HEFI_EDITOR_GLOBAL_EDITOR HMainEditor;
-HEFI_EDITOR_GLOBAL_EDITOR HMainEditorBackupVar;
-
-//
-// basic initialization for MainEditor
-//
-HEFI_EDITOR_GLOBAL_EDITOR HMainEditorConst = {
- &HBufferImage,
- {
- { 0, 0}
- },
- {
- 0,
- 0
- },
- NULL,
- FALSE,
- NULL,
- 0,
- 0,
- 1,
- 1
-};
-
-/**
- Help info that will be displayed.
-**/
-EFI_STRING_ID HexMainMenuHelpInfo[] = {
- STRING_TOKEN (STR_HEXEDIT_HELP_TITLE),
- STRING_TOKEN (STR_HEXEDIT_HELP_BLANK),
- STRING_TOKEN (STR_HEXEDIT_HELP_LIST_TITLE),
- STRING_TOKEN (STR_HEXEDIT_HELP_DIV),
- STRING_TOKEN (STR_HEXEDIT_HELP_GO_TO_OFFSET),
- STRING_TOKEN (STR_HEXEDIT_HELP_SAVE_BUFFER),
- STRING_TOKEN (STR_HEXEDIT_HELP_EXIT),
- STRING_TOKEN (STR_HEXEDIT_HELP_SELECT_START),
- STRING_TOKEN (STR_HEXEDIT_HELP_SELECT_END),
- STRING_TOKEN (STR_HEXEDIT_HELP_CUT),
- STRING_TOKEN (STR_HEXEDIT_HELP_PASTE),
- STRING_TOKEN (STR_HEXEDIT_HELP_OPEN_FILE),
- STRING_TOKEN (STR_HEXEDIT_HELP_OPEN_DISK),
- STRING_TOKEN (STR_HEXEDIT_HELP_OPEN_MEMORY),
- STRING_TOKEN (STR_HEXEDIT_HELP_BLANK),
- STRING_TOKEN (STR_HEXEDIT_HELP_EXIT_HELP),
- STRING_TOKEN (STR_HEXEDIT_HELP_BLANK),
- STRING_TOKEN (STR_HEXEDIT_HELP_BLANK),
- STRING_TOKEN (STR_HEXEDIT_HELP_BLANK),
- STRING_TOKEN (STR_HEXEDIT_HELP_BLANK),
- STRING_TOKEN (STR_HEXEDIT_HELP_BLANK),
- STRING_TOKEN (STR_HEXEDIT_HELP_BLANK),
- STRING_TOKEN (STR_HEXEDIT_HELP_DIV),
- 0
-};
-
-/**
- show help menu.
-
- @retval EFI_SUCCESS The operation was successful.
-**/
-EFI_STATUS
-HMainCommandDisplayHelp (
- VOID
- )
-{
- INT32 CurrentLine;
- CHAR16 *InfoString;
- EFI_KEY_DATA KeyData;
- EFI_STATUS Status;
- UINTN EventIndex;
-
- //
- // print helpInfo
- //
- for (CurrentLine = 0; 0 != HexMainMenuHelpInfo[CurrentLine]; CurrentLine++) {
- InfoString = HiiGetString (
- gShellDebug1HiiHandle,
- HexMainMenuHelpInfo[CurrentLine]
- ,
- NULL
- );
- ShellPrintEx (0, CurrentLine+1, L"%E%s%N", InfoString);
- }
-
- //
- // scan for ctrl+w
- //
- while (TRUE) {
- Status = gBS->WaitForEvent (1, &HMainEditor.TextInputEx->WaitForKeyEx, &EventIndex);
- if (EFI_ERROR (Status) || (EventIndex != 0)) {
- continue;
- }
-
- Status = HMainEditor.TextInputEx->ReadKeyStrokeEx (HMainEditor.TextInputEx, &KeyData);
- if (EFI_ERROR (Status)) {
- continue;
- }
-
- if (((KeyData.KeyState.KeyShiftState & EFI_SHIFT_STATE_VALID) == 0) ||
- (KeyData.KeyState.KeyShiftState == EFI_SHIFT_STATE_VALID))
- {
- //
- // For consoles that don't support/report shift state,
- // CTRL+W is translated to L'W' - L'A' + 1.
- //
- if (KeyData.Key.UnicodeChar == L'W' - L'A' + 1) {
- break;
- }
- } else if (((KeyData.KeyState.KeyShiftState & EFI_SHIFT_STATE_VALID) != 0) &&
- ((KeyData.KeyState.KeyShiftState & (EFI_LEFT_CONTROL_PRESSED | EFI_RIGHT_CONTROL_PRESSED)) != 0) &&
- ((KeyData.KeyState.KeyShiftState & ~(EFI_SHIFT_STATE_VALID | EFI_LEFT_CONTROL_PRESSED | EFI_RIGHT_CONTROL_PRESSED)) == 0))
- {
- //
- // For consoles that supports/reports shift state,
- // make sure that only CONTROL shift key is pressed.
- //
- if ((KeyData.Key.UnicodeChar == 'w') || (KeyData.Key.UnicodeChar == 'W')) {
- break;
- }
- }
- }
-
- // update screen with buffer's info
- HBufferImageNeedRefresh = TRUE;
- HBufferImageOnlyLineNeedRefresh = FALSE;
- HBufferImageRefresh ();
-
- return EFI_SUCCESS;
-}
-
-/**
- Move cursor to specified lines.
-
- @retval EFI_SUCCESS The operation was successful.
-**/
-EFI_STATUS
-HMainCommandGoToOffset (
- VOID
- )
-{
- UINTN Size;
- UINT64 Offset;
- EFI_STATUS Status;
- UINTN FRow;
- UINTN FCol;
-
- //
- // variable initialization
- //
- Size = 0;
- Offset = 0;
- FRow = 0;
- FCol = 0;
-
- //
- // get offset
- //
- Status = InputBarSetPrompt (L"Go To Offset: ");
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Status = InputBarSetStringSize (8);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- while (1) {
- Status = InputBarRefresh (HMainEditor.ScreenSize.Row, HMainEditor.ScreenSize.Column);
-
- //
- // ESC pressed
- //
- if (Status == EFI_NOT_READY) {
- return EFI_SUCCESS;
- }
-
- //
- // THE input string length should > 0
- //
- if (StrLen (InputBarGetString ()) > 0) {
- Status = ShellConvertStringToUint64 (InputBarGetString (), &Offset, TRUE, FALSE);
- if (EFI_ERROR (Status)) {
- StatusBarSetStatusString (L"Invalid Offset");
- return EFI_SUCCESS;
- }
-
- break;
- }
- }
-
- Size = HBufferImageGetTotalSize ();
- if (Offset >= Size) {
- StatusBarSetStatusString (L"Invalid Offset");
- return EFI_SUCCESS;
- }
-
- FRow = (UINTN)DivU64x32 (Offset, 0x10) + 1;
- FCol = (UINTN)ModU64x32 (Offset, 0x10) + 1;
-
- HBufferImageMovePosition (FRow, FCol, TRUE);
-
- HBufferImageNeedRefresh = TRUE;
- HBufferImageOnlyLineNeedRefresh = FALSE;
- HBufferImageMouseNeedRefresh = TRUE;
-
- return EFI_SUCCESS;
-}
-
-/**
- Save current opened buffer.
- If is file buffer, you can save to current file name or
- save to another file name.
-
- @retval EFI_SUCCESS The operation was successful.
- @retval EFI_OUT_OF_RESOURCES A memory allocation occurred.
- @retval EFI_LOAD_ERROR A load error occurred.
-**/
-EFI_STATUS
-HMainCommandSaveBuffer (
- VOID
- )
-{
- EFI_STATUS Status;
- BOOLEAN Done;
- CHAR16 *FileName;
- BOOLEAN OldFile;
- CHAR16 *Str;
- EFI_FILE_INFO *Info;
- SHELL_FILE_HANDLE ShellFileHandle;
-
- if (HMainEditor.BufferImage->BufferType != FileTypeFileBuffer) {
- if (!HMainEditor.BufferImage->Modified) {
- return EFI_SUCCESS;
- }
-
- Status = InputBarSetPrompt (L"Dangerous to save disk/mem buffer. Save (Yes/No/Cancel) ? ");
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // the answer is just one character
- //
- Status = InputBarSetStringSize (1);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // loop for user's answer
- // valid answer is just 'y' 'Y', 'n' 'N', 'c' 'C'
- //
- while (1) {
- Status = InputBarRefresh (HMainEditor.ScreenSize.Row, HMainEditor.ScreenSize.Column);
-
- //
- // ESC pressed
- //
- if (Status == EFI_NOT_READY) {
- return EFI_SUCCESS;
- }
-
- switch (InputBarGetString ()[0]) {
- case L'y':
- case L'Y':
- //
- // want to save this buffer first
- //
- Status = HBufferImageSave (
- NULL,
- HMainEditor.BufferImage->DiskImage->Name,
- HMainEditor.BufferImage->DiskImage->Offset,
- HMainEditor.BufferImage->DiskImage->Size,
- HMainEditor.BufferImage->MemImage->Offset,
- HMainEditor.BufferImage->MemImage->Size,
- HMainEditor.BufferImage->BufferType
- );
-
- if (EFI_ERROR (Status)) {
- StatusBarSetStatusString (L"BufferSave: Problems Writing");
- return Status;
- }
-
- return EFI_SUCCESS;
-
- case L'n':
- case L'N':
- //
- // the file won't be saved
- //
- return EFI_SUCCESS;
-
- case L'c':
- case L'C':
- return EFI_SUCCESS;
- }
-
- //
- // end of switch
- //
- }
-
- //
- // ENDOF WHILE
- //
- }
-
- //
- // ENDOF != FILEBUFFER
- //
- // This command will save currently opened file to disk.
- // You can choose save to another file name or just save to
- // current file name.
- // Below is the scenario of Save File command: (
- // Suppose the old file name is A )
- // 1. An Input Bar will be prompted: "File To Save: [ old file name]"
- // IF user press ESC, Save File command ends .
- // IF user press Enter, input file name will be A.
- // IF user inputs a new file name B, input file name will be B.
- //
- // 2. IF input file name is A, go to do Step 3.
- // IF input file name is B, go to do Step 4.
- //
- // 3. IF A is read only, Status Bar will show "Access Denied"
- // and Save File commands ends.
- // IF A is not read only, save file buffer to disk
- // and remove Modified flag in Title Bar , then Save File command ends.
- //
- // 4. IF B does not exist, create this file and save file buffer to it.
- // Go to do Step 7.
- // IF B exits, do Step 5.
- //
- // 5. An Input Bar will be prompted:
- // "File Exists. Overwrite ( Yes/No/Cancel ) ?"
- // IF user press 'y' or 'Y', do Step 6.
- // IF user press 'n' or 'N', Save File commands ends.
- // IF user press 'c' or 'C' or ESC, Save File commands ends.
- //
- // 6. IF B is a read-only file, Status Bar will show "Access Denied"
- // and Save File commands ends.
- // IF B can be read and write, save file buffer to B.
- //
- // 7. Update File Name field in Title Bar to B
- // and remove the Modified flag in Title Bar.
- //
- Str = CatSPrint (
- NULL,
- L"File to Save: [%s]",
- HMainEditor.BufferImage->FileImage->FileName
- );
- if (Str == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- if (StrLen (Str) >= 50) {
- //
- // replace the long file name with "..."
- //
- Str[46] = L'.';
- Str[47] = L'.';
- Str[48] = L'.';
- Str[49] = L']';
- Str[50] = L'\0';
- }
-
- Status = InputBarSetPrompt (Str);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Status = InputBarSetStringSize (100);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // get new file name
- //
- Status = InputBarRefresh (HMainEditor.ScreenSize.Row, HMainEditor.ScreenSize.Column);
-
- //
- // if user pressed ESC
- //
- if (Status == EFI_NOT_READY) {
- SHELL_FREE_NON_NULL (Str);
- return EFI_SUCCESS;
- }
-
- SHELL_FREE_NON_NULL (Str);
-
- //
- // if just enter pressed, so think save to current file name
- //
- if (StrLen (InputBarGetString ()) == 0) {
- FileName = CatSPrint (
- NULL,
- L"%s",
- HMainEditor.BufferImage->FileImage->FileName
- );
- } else {
- FileName = CatSPrint (NULL, L"%s", InputBarGetString ());
- }
-
- if (FileName == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- if (!IsValidFileName (FileName)) {
- StatusBarSetStatusString (L"Invalid File Name");
- SHELL_FREE_NON_NULL (FileName);
- return EFI_SUCCESS;
- }
-
- OldFile = FALSE;
-
- //
- // save to the old file
- //
- if (StringNoCaseCompare (
- &FileName,
- &HMainEditor.BufferImage->FileImage->FileName
- ) == 0)
- {
- OldFile = TRUE;
- }
-
- if (OldFile) {
- //
- // if the file is read only, so can not write back to it.
- //
- if (HMainEditor.BufferImage->FileImage->ReadOnly) {
- StatusBarSetStatusString (L"Access Denied");
- SHELL_FREE_NON_NULL (FileName);
- return EFI_SUCCESS;
- }
- } else {
- Status = ShellOpenFileByName (FileName, &ShellFileHandle, EFI_FILE_MODE_READ, 0);
-
- if (!EFI_ERROR (Status)) {
- Info = ShellGetFileInfo (ShellFileHandle);
-
- ShellCloseFile (&ShellFileHandle);
- //
- // check if read only
- //
- if (Info->Attribute & EFI_FILE_READ_ONLY) {
- StatusBarSetStatusString (L"Access Denied");
- SHELL_FREE_NON_NULL (FileName);
- return EFI_SUCCESS;
- }
-
- SHELL_FREE_NON_NULL (Info);
- //
- // ask user whether to overwrite this file
- //
- Status = InputBarSetPrompt (L"File exists. Overwrite (Yes/No/Cancel) ? ");
- if (EFI_ERROR (Status)) {
- SHELL_FREE_NON_NULL (FileName);
- return Status;
- }
-
- Status = InputBarSetStringSize (1);
- if (EFI_ERROR (Status)) {
- SHELL_FREE_NON_NULL (FileName);
- return Status;
- }
-
- Done = FALSE;
- while (!Done) {
- Status = InputBarRefresh (HMainEditor.ScreenSize.Row, HMainEditor.ScreenSize.Column);
-
- if (Status == EFI_NOT_READY) {
- SHELL_FREE_NON_NULL (FileName);
- return EFI_SUCCESS;
- }
-
- switch (InputBarGetString ()[0]) {
- case L'y':
- case L'Y':
- Done = TRUE;
- break;
- case L'n':
- case L'N':
- SHELL_FREE_NON_NULL (FileName);
- return EFI_SUCCESS;
- case L'c':
- case L'C':
- SHELL_FREE_NON_NULL (FileName);
- return EFI_SUCCESS;
- } // switch
- } // while
- } // if opened existing file
- } // if OldFile
-
- //
- // save file back to disk
- //
- Status = HBufferImageSave (
- FileName,
- HMainEditor.BufferImage->DiskImage->Name,
- HMainEditor.BufferImage->DiskImage->Offset,
- HMainEditor.BufferImage->DiskImage->Size,
- HMainEditor.BufferImage->MemImage->Offset,
- HMainEditor.BufferImage->MemImage->Size,
- FileTypeFileBuffer
- );
- SHELL_FREE_NON_NULL (FileName);
-
- if (EFI_ERROR (Status)) {
- return EFI_LOAD_ERROR;
- }
-
- return EFI_SUCCESS;
-}
-
-/**
- Load a disk buffer editor.
-
- @retval EFI_SUCCESS The operation was successful.
- @retval EFI_OUT_OF_RESOURCES A memory allocation occurred.
- @retval EFI_LOAD_ERROR A load error occurred.
-**/
-EFI_STATUS
-HMainCommandSelectStart (
- VOID
- )
-{
- UINTN Start;
-
- Start = (HMainEditor.BufferImage->BufferPosition.Row - 1) * 0x10 + HMainEditor.BufferImage->BufferPosition.Column;
-
- //
- // last line
- //
- if (HMainEditor.BufferImage->CurrentLine->Link.ForwardLink == HMainEditor.BufferImage->ListHead) {
- if (HMainEditor.BufferImage->BufferPosition.Column > HMainEditor.BufferImage->CurrentLine->Size) {
- StatusBarSetStatusString (L"Invalid Block Start");
- return EFI_LOAD_ERROR;
- }
- }
-
- if ((HMainEditor.SelectEnd != 0) && (Start > HMainEditor.SelectEnd)) {
- StatusBarSetStatusString (L"Invalid Block Start");
- return EFI_LOAD_ERROR;
- }
-
- HMainEditor.SelectStart = Start;
-
- HBufferImageNeedRefresh = TRUE;
-
- return EFI_SUCCESS;
-}
-
-/**
- Load a disk buffer editor.
-
- @retval EFI_SUCCESS The operation was successful.
- @retval EFI_OUT_OF_RESOURCES A memory allocation occurred.
- @retval EFI_LOAD_ERROR A load error occurred.
-**/
-EFI_STATUS
-HMainCommandSelectEnd (
- VOID
- )
-{
- UINTN End;
-
- End = (HMainEditor.BufferImage->BufferPosition.Row - 1) * 0x10 + HMainEditor.BufferImage->BufferPosition.Column;
-
- //
- // last line
- //
- if (HMainEditor.BufferImage->CurrentLine->Link.ForwardLink == HMainEditor.BufferImage->ListHead) {
- if (HMainEditor.BufferImage->BufferPosition.Column > HMainEditor.BufferImage->CurrentLine->Size) {
- StatusBarSetStatusString (L"Invalid Block End");
- return EFI_LOAD_ERROR;
- }
- }
-
- if ((HMainEditor.SelectStart != 0) && (End < HMainEditor.SelectStart)) {
- StatusBarSetStatusString (L"Invalid Block End");
- return EFI_SUCCESS;
- }
-
- HMainEditor.SelectEnd = End;
-
- HBufferImageNeedRefresh = TRUE;
-
- return EFI_SUCCESS;
-}
-
-/**
- Cut current line to clipboard.
-
- @retval EFI_SUCCESS The operation was successful.
- @retval EFI_OUT_OF_RESOURCES A memory allocation occurred.
- @retval EFI_LOAD_ERROR A load error occurred.
-**/
-EFI_STATUS
-HMainCommandCut (
- VOID
- )
-{
- UINTN Index;
- LIST_ENTRY *Link;
- UINT8 *Buffer;
- UINTN Count;
-
- //
- // not select, so not allowed to cut
- //
- if (HMainEditor.SelectStart == 0) {
- StatusBarSetStatusString (L"No Block is Selected");
- return EFI_SUCCESS;
- }
-
- //
- // not select, so not allowed to cut
- //
- if (HMainEditor.SelectEnd == 0) {
- StatusBarSetStatusString (L"No Block is Selected");
- return EFI_SUCCESS;
- }
-
- Link = HMainEditor.BufferImage->ListHead->ForwardLink;
- for (Index = 0; Index < (HMainEditor.SelectEnd - 1) / 0x10; Index++) {
- Link = Link->ForwardLink;
- }
-
- Count = HMainEditor.SelectEnd - HMainEditor.SelectStart + 1;
- Buffer = AllocateZeroPool (Count);
- if (Buffer == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- //
- // cut the selected area
- //
- HBufferImageDeleteCharacterFromBuffer (
- HMainEditor.SelectStart - 1,
- Count,
- Buffer
- );
-
- //
- // put to clipboard
- //
- HClipBoardSet (Buffer, Count);
-
- HBufferImageNeedRefresh = TRUE;
- HBufferImageOnlyLineNeedRefresh = FALSE;
-
- if (!HMainEditor.BufferImage->Modified) {
- HMainEditor.BufferImage->Modified = TRUE;
- }
-
- //
- // now no select area
- //
- HMainEditor.SelectStart = 0;
- HMainEditor.SelectEnd = 0;
-
- return EFI_SUCCESS;
-}
-
-/**
- Paste line to file buffer.
-
- @retval EFI_SUCCESS The operation was successful.
- @retval EFI_OUT_OF_RESOURCES A memory allocation occurred.
- @retval EFI_LOAD_ERROR A load error occurred.
-**/
-EFI_STATUS
-HMainCommandPaste (
- VOID
- )
-{
- BOOLEAN OnlyLineRefresh;
- HEFI_EDITOR_LINE *Line;
- UINT8 *Buffer;
- UINTN Count;
- UINTN FPos;
-
- Count = HClipBoardGet (&Buffer);
- if ((Count == 0) || (Buffer == NULL)) {
- StatusBarSetStatusString (L"Nothing to Paste");
- return EFI_SUCCESS;
- }
-
- Line = HMainEditor.BufferImage->CurrentLine;
-
- OnlyLineRefresh = FALSE;
- if ((Line->Link.ForwardLink == HMainEditor.BufferImage->ListHead) && (Line->Size + Count < 0x10)) {
- //
- // is at last line, and after paste will not exceed
- // so only this line need to be refreshed
- //
- // if after add, the line is 0x10, then will append a new line
- // so the whole page will need be refreshed
- //
- OnlyLineRefresh = TRUE;
- }
-
- FPos = 0x10 * (HMainEditor.BufferImage->BufferPosition.Row - 1) + HMainEditor.BufferImage->BufferPosition.Column - 1;
-
- HBufferImageAddCharacterToBuffer (FPos, Count, Buffer);
-
- if (OnlyLineRefresh) {
- HBufferImageNeedRefresh = FALSE;
- HBufferImageOnlyLineNeedRefresh = TRUE;
- } else {
- HBufferImageNeedRefresh = TRUE;
- HBufferImageOnlyLineNeedRefresh = FALSE;
- }
-
- if (!HMainEditor.BufferImage->Modified) {
- HMainEditor.BufferImage->Modified = TRUE;
- }
-
- return EFI_SUCCESS;
-}
-
-/**
- Exit editor.
-
- @retval EFI_SUCCESS The operation was successful.
- @retval EFI_OUT_OF_RESOURCES A memory allocation occurred.
- @retval EFI_LOAD_ERROR A load error occurred.
-**/
-EFI_STATUS
-HMainCommandExit (
- VOID
- )
-{
- EFI_STATUS Status;
-
- //
- // Below is the scenario of Exit command:
- // 1. IF currently opened file is not modified, exit the editor and
- // Exit command ends.
- // IF currently opened file is modified, do Step 2
- //
- // 2. An Input Bar will be prompted:
- // "File modified. Save ( Yes/No/Cancel )?"
- // IF user press 'y' or 'Y', currently opened file will be saved and
- // Editor exits
- // IF user press 'n' or 'N', currently opened file will not be saved
- // and Editor exits.
- // IF user press 'c' or 'C' or ESC, Exit command ends.
- //
- //
- // if file has been modified, so will prompt user
- // whether to save the changes
- //
- if (HMainEditor.BufferImage->Modified) {
- Status = InputBarSetPrompt (L"Buffer modified. Save (Yes/No/Cancel) ? ");
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Status = InputBarSetStringSize (1);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- while (1) {
- Status = InputBarRefresh (HMainEditor.ScreenSize.Row, HMainEditor.ScreenSize.Column);
-
- //
- // ESC pressed
- //
- if (Status == EFI_NOT_READY) {
- return EFI_SUCCESS;
- }
-
- switch (InputBarGetString ()[0]) {
- case L'y':
- case L'Y':
- //
- // write file back to disk
- //
- Status = HBufferImageSave (
- HMainEditor.BufferImage->FileImage->FileName,
- HMainEditor.BufferImage->DiskImage->Name,
- HMainEditor.BufferImage->DiskImage->Offset,
- HMainEditor.BufferImage->DiskImage->Size,
- HMainEditor.BufferImage->MemImage->Offset,
- HMainEditor.BufferImage->MemImage->Size,
- HMainEditor.BufferImage->BufferType
- );
- if (!EFI_ERROR (Status)) {
- HEditorExit = TRUE;
- }
-
- return Status;
-
- case L'n':
- case L'N':
- HEditorExit = TRUE;
- return EFI_SUCCESS;
-
- case L'c':
- case L'C':
- return EFI_SUCCESS;
- }
- }
- }
-
- HEditorExit = TRUE;
- return EFI_SUCCESS;
-}
-
-/**
- Load a file from disk to editor.
-
- @retval EFI_SUCCESS The operation was successful.
- @retval EFI_OUT_OF_RESOURCES A memory allocation occurred.
- @retval EFI_LOAD_ERROR A load error occurred.
-**/
-EFI_STATUS
-HMainCommandOpenFile (
- VOID
- )
-{
- BOOLEAN Done;
- EFI_STATUS Status;
- EDIT_FILE_TYPE BufferType;
-
- BufferType = HMainEditor.BufferImage->BufferType;
-
- //
- // This command will open a file from current working directory.
- // Read-only file can also be opened. But it can not be modified.
- // Below is the scenario of Open File command:
- // 1. IF currently opened file has not been modified, directly go to step .
- // IF currently opened file has been modified, an Input Bar will be
- // prompted as :
- // "File Modified. Save ( Yes/No/Cancel) ?"
- // IF user press 'y' or 'Y', currently opened file will be saved.
- // IF user press 'n' or 'N', currently opened file will
- // not be saved.
- // IF user press 'c' or 'C' or ESC, Open File command ends and
- // currently opened file is still opened.
- //
- // 2. An Input Bar will be prompted as : "File Name to Open: "
- // IF user press ESC, Open File command ends and
- // currently opened file is still opened.
- // Any other inputs with a Return will cause
- // currently opened file close.
- //
- // 3. IF user input file name is an existing file ,
- // this file will be read and opened.
- // IF user input file name is a new file, this file will be created
- // and opened. This file's type ( UNICODE or ASCII ) is the same with
- // the old file.
- //
- //
- // if current file is modified, so you need to choose whether to
- // save it first.
- //
- if (HMainEditor.BufferImage->Modified) {
- Status = InputBarSetPrompt (L"Buffer modified. Save (Yes/No/Cancel) ? ");
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // the answer is just one character
- //
- Status = InputBarSetStringSize (1);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // loop for user's answer
- // valid answer is just 'y' 'Y', 'n' 'N', 'c' 'C'
- //
- Done = FALSE;
- while (!Done) {
- Status = InputBarRefresh (HMainEditor.ScreenSize.Row, HMainEditor.ScreenSize.Column);
-
- //
- // ESC pressed
- //
- if (Status == EFI_NOT_READY) {
- return EFI_SUCCESS;
- }
-
- switch (InputBarGetString ()[0]) {
- case L'y':
- case L'Y':
- //
- // want to save this buffer first
- //
- Status = HBufferImageSave (
- HMainEditor.BufferImage->FileImage->FileName,
- HMainEditor.BufferImage->DiskImage->Name,
- HMainEditor.BufferImage->DiskImage->Offset,
- HMainEditor.BufferImage->DiskImage->Size,
- HMainEditor.BufferImage->MemImage->Offset,
- HMainEditor.BufferImage->MemImage->Size,
- HMainEditor.BufferImage->BufferType
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- MainTitleBarRefresh (
- HMainEditor.BufferImage->BufferType == FileTypeFileBuffer ? HMainEditor.BufferImage->FileImage->FileName : HMainEditor.BufferImage->BufferType == FileTypeDiskBuffer ? HMainEditor.BufferImage->DiskImage->Name : NULL,
- HMainEditor.BufferImage->BufferType,
- HMainEditor.BufferImage->FileImage->ReadOnly,
- FALSE,
- HMainEditor.ScreenSize.Column,
- HMainEditor.ScreenSize.Row,
- HMainEditor.BufferImage->BufferType == FileTypeDiskBuffer ? HMainEditor.BufferImage->DiskImage->Offset : HMainEditor.BufferImage->BufferType == FileTypeMemBuffer ? HMainEditor.BufferImage->MemImage->Offset : 0,
- HMainEditor.BufferImage->BufferType == FileTypeDiskBuffer ? HMainEditor.BufferImage->DiskImage->Size : HMainEditor.BufferImage->BufferType == FileTypeMemBuffer ? HMainEditor.BufferImage->MemImage->Size : 0
- );
- Done = TRUE;
- break;
-
- case L'n':
- case L'N':
- //
- // the file won't be saved
- //
- Done = TRUE;
- break;
-
- case L'c':
- case L'C':
- return EFI_SUCCESS;
- }
- }
- }
-
- //
- // TO get the open file name
- //
- Status = InputBarSetPrompt (L"File Name to Open: ");
- if (EFI_ERROR (Status)) {
- HBufferImageRead (
- HMainEditor.BufferImage->FileImage->FileName,
- HMainEditor.BufferImage->DiskImage->Name,
- HMainEditor.BufferImage->DiskImage->Offset,
- HMainEditor.BufferImage->DiskImage->Size,
- HMainEditor.BufferImage->MemImage->Offset,
- HMainEditor.BufferImage->MemImage->Size,
- BufferType,
- TRUE
- );
- return Status;
- }
-
- Status = InputBarSetStringSize (100);
- if (EFI_ERROR (Status)) {
- Status = HBufferImageRead (
- HMainEditor.BufferImage->FileImage->FileName,
- HMainEditor.BufferImage->DiskImage->Name,
- HMainEditor.BufferImage->DiskImage->Offset,
- HMainEditor.BufferImage->DiskImage->Size,
- HMainEditor.BufferImage->MemImage->Offset,
- HMainEditor.BufferImage->MemImage->Size,
- BufferType,
- TRUE
- );
- return Status;
- }
-
- while (1) {
- Status = InputBarRefresh (HMainEditor.ScreenSize.Row, HMainEditor.ScreenSize.Column);
-
- //
- // ESC pressed
- //
- if (Status == EFI_NOT_READY) {
- Status = HBufferImageRead (
- HMainEditor.BufferImage->FileImage->FileName,
- HMainEditor.BufferImage->DiskImage->Name,
- HMainEditor.BufferImage->DiskImage->Offset,
- HMainEditor.BufferImage->DiskImage->Size,
- HMainEditor.BufferImage->MemImage->Offset,
- HMainEditor.BufferImage->MemImage->Size,
- BufferType,
- TRUE
- );
-
- return Status;
- }
-
- //
- // THE input string length should > 0
- //
- if (StrLen (InputBarGetString ()) > 0) {
- //
- // CHECK if filename's valid
- //
- if (!IsValidFileName (InputBarGetString ())) {
- HBufferImageRead (
- HMainEditor.BufferImage->FileImage->FileName,
- HMainEditor.BufferImage->DiskImage->Name,
- HMainEditor.BufferImage->DiskImage->Offset,
- HMainEditor.BufferImage->DiskImage->Size,
- HMainEditor.BufferImage->MemImage->Offset,
- HMainEditor.BufferImage->MemImage->Size,
- BufferType,
- TRUE
- );
-
- StatusBarSetStatusString (L"Invalid File Name");
- return EFI_SUCCESS;
- }
-
- break;
- }
- }
-
- //
- // read from disk
- //
- Status = HBufferImageRead (
- InputBarGetString (),
- HMainEditor.BufferImage->DiskImage->Name,
- HMainEditor.BufferImage->DiskImage->Offset,
- HMainEditor.BufferImage->DiskImage->Size,
- HMainEditor.BufferImage->MemImage->Offset,
- HMainEditor.BufferImage->MemImage->Size,
- FileTypeFileBuffer,
- FALSE
- );
-
- if (EFI_ERROR (Status)) {
- HBufferImageRead (
- HMainEditor.BufferImage->FileImage->FileName,
- HMainEditor.BufferImage->DiskImage->Name,
- HMainEditor.BufferImage->DiskImage->Offset,
- HMainEditor.BufferImage->DiskImage->Size,
- HMainEditor.BufferImage->MemImage->Offset,
- HMainEditor.BufferImage->MemImage->Size,
- BufferType,
- TRUE
- );
-
- return EFI_LOAD_ERROR;
- }
-
- return EFI_SUCCESS;
-}
-
-/**
- Load a disk buffer editor.
-
- @retval EFI_SUCCESS The operation was successful.
- @retval EFI_OUT_OF_RESOURCES A memory allocation occurred.
- @retval EFI_LOAD_ERROR A load error occurred.
- @retval EFI_NOT_FOUND The disk was not found.
-**/
-EFI_STATUS
-HMainCommandOpenDisk (
- VOID
- )
-{
- UINT64 Size;
- UINT64 Offset;
- CHAR16 *DeviceName;
- EFI_STATUS Status;
- BOOLEAN Done;
-
- EDIT_FILE_TYPE BufferType;
-
- //
- // variable initialization
- //
- Size = 0;
- Offset = 0;
- BufferType = HMainEditor.BufferImage->BufferType;
-
- //
- // if current file is modified, so you need to choose
- // whether to save it first.
- //
- if (HMainEditor.BufferImage->Modified) {
- Status = InputBarSetPrompt (L"Buffer modified. Save (Yes/No/Cancel) ? ");
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // the answer is just one character
- //
- Status = InputBarSetStringSize (1);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // loop for user's answer
- // valid answer is just 'y' 'Y', 'n' 'N', 'c' 'C'
- //
- Done = FALSE;
- while (!Done) {
- Status = InputBarRefresh (HMainEditor.ScreenSize.Row, HMainEditor.ScreenSize.Column);
-
- //
- // ESC pressed
- //
- if (Status == EFI_NOT_READY) {
- return EFI_SUCCESS;
- }
-
- switch (InputBarGetString ()[0]) {
- case L'y':
- case L'Y':
- //
- // want to save this buffer first
- //
- Status = HBufferImageSave (
- HMainEditor.BufferImage->FileImage->FileName,
- HMainEditor.BufferImage->DiskImage->Name,
- HMainEditor.BufferImage->DiskImage->Offset,
- HMainEditor.BufferImage->DiskImage->Size,
- HMainEditor.BufferImage->MemImage->Offset,
- HMainEditor.BufferImage->MemImage->Size,
- BufferType
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- MainTitleBarRefresh (
- HMainEditor.BufferImage->BufferType == FileTypeFileBuffer ? HMainEditor.BufferImage->FileImage->FileName : HMainEditor.BufferImage->BufferType == FileTypeDiskBuffer ? HMainEditor.BufferImage->DiskImage->Name : NULL,
- HMainEditor.BufferImage->BufferType,
- HMainEditor.BufferImage->FileImage->ReadOnly,
- FALSE,
- HMainEditor.ScreenSize.Column,
- HMainEditor.ScreenSize.Row,
- HMainEditor.BufferImage->BufferType == FileTypeDiskBuffer ? HMainEditor.BufferImage->DiskImage->Offset : HMainEditor.BufferImage->BufferType == FileTypeMemBuffer ? HMainEditor.BufferImage->MemImage->Offset : 0,
- HMainEditor.BufferImage->BufferType == FileTypeDiskBuffer ? HMainEditor.BufferImage->DiskImage->Size : HMainEditor.BufferImage->BufferType == FileTypeMemBuffer ? HMainEditor.BufferImage->MemImage->Size : 0
- );
- Done = TRUE;
- break;
-
- case L'n':
- case L'N':
- //
- // the file won't be saved
- //
- Done = TRUE;
- break;
-
- case L'c':
- case L'C':
- return EFI_SUCCESS;
- }
- }
- }
-
- //
- // get disk block device name
- //
- Status = InputBarSetPrompt (L"Block Device to Open: ");
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Status = InputBarSetStringSize (100);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- while (1) {
- Status = InputBarRefresh (HMainEditor.ScreenSize.Row, HMainEditor.ScreenSize.Column);
-
- //
- // ESC pressed
- //
- if (Status == EFI_NOT_READY) {
- return EFI_SUCCESS;
- }
-
- //
- // THE input string length should > 0
- //
- if (StrLen (InputBarGetString ()) > 0) {
- break;
- }
- }
-
- DeviceName = CatSPrint (NULL, L"%s", InputBarGetString ());
- if (DeviceName == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- //
- // get starting offset
- //
- Status = InputBarSetPrompt (L"First Block No.: ");
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Status = InputBarSetStringSize (16);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- while (1) {
- Status = InputBarRefresh (HMainEditor.ScreenSize.Row, HMainEditor.ScreenSize.Column);
-
- //
- // ESC pressed
- //
- if (Status == EFI_NOT_READY) {
- return EFI_SUCCESS;
- }
-
- //
- // THE input string length should > 0
- //
- if (StrLen (InputBarGetString ()) > 0) {
- Status = ShellConvertStringToUint64 (InputBarGetString (), &Offset, TRUE, FALSE);
- if (EFI_ERROR (Status)) {
- continue;
- }
-
- break;
- }
- }
-
- //
- // get Number of Blocks:
- //
- Status = InputBarSetPrompt (L"Number of Blocks: ");
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Status = InputBarSetStringSize (8);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- while (1) {
- Status = InputBarRefresh (HMainEditor.ScreenSize.Row, HMainEditor.ScreenSize.Column);
-
- //
- // ESC pressed
- //
- if (Status == EFI_NOT_READY) {
- return EFI_SUCCESS;
- }
-
- //
- // THE input string length should > 0
- //
- if (StrLen (InputBarGetString ()) > 0) {
- Status = ShellConvertStringToUint64 (InputBarGetString (), &Size, TRUE, FALSE);
- if (EFI_ERROR (Status)) {
- continue;
- }
-
- if (Size == 0) {
- continue;
- }
-
- break;
- }
- }
-
- Status = HBufferImageRead (
- NULL,
- DeviceName,
- (UINTN)Offset,
- (UINTN)Size,
- 0,
- 0,
- FileTypeDiskBuffer,
- FALSE
- );
-
- if (EFI_ERROR (Status)) {
- HBufferImageRead (
- HMainEditor.BufferImage->FileImage->FileName,
- HMainEditor.BufferImage->DiskImage->Name,
- HMainEditor.BufferImage->DiskImage->Offset,
- HMainEditor.BufferImage->DiskImage->Size,
- HMainEditor.BufferImage->MemImage->Offset,
- HMainEditor.BufferImage->MemImage->Size,
- BufferType,
- TRUE
- );
- return EFI_NOT_FOUND;
- }
-
- return EFI_SUCCESS;
-}
-
-/**
- Load memory content to editor
-
- @retval EFI_SUCCESS The operation was successful.
- @retval EFI_OUT_OF_RESOURCES A memory allocation occurred.
- @retval EFI_LOAD_ERROR A load error occurred.
- @retval EFI_NOT_FOUND The disk was not found.
-**/
-EFI_STATUS
-HMainCommandOpenMemory (
- VOID
- )
-{
- UINT64 Size;
- UINT64 Offset;
- EFI_STATUS Status;
- BOOLEAN Done;
- EDIT_FILE_TYPE BufferType;
-
- //
- // variable initialization
- //
- Size = 0;
- Offset = 0;
- BufferType = HMainEditor.BufferImage->BufferType;
-
- //
- // if current buffer is modified, so you need to choose
- // whether to save it first.
- //
- if (HMainEditor.BufferImage->Modified) {
- Status = InputBarSetPrompt (L"Buffer modified. Save (Yes/No/Cancel) ? ");
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // the answer is just one character
- //
- Status = InputBarSetStringSize (1);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // loop for user's answer
- // valid answer is just 'y' 'Y', 'n' 'N', 'c' 'C'
- //
- Done = FALSE;
- while (!Done) {
- Status = InputBarRefresh (HMainEditor.ScreenSize.Row, HMainEditor.ScreenSize.Column);
-
- //
- // ESC pressed
- //
- if (Status == EFI_NOT_READY) {
- return EFI_SUCCESS;
- }
-
- switch (InputBarGetString ()[0]) {
- case L'y':
- case L'Y':
- //
- // want to save this buffer first
- //
- Status = HBufferImageSave (
- HMainEditor.BufferImage->FileImage->FileName,
- HMainEditor.BufferImage->DiskImage->Name,
- HMainEditor.BufferImage->DiskImage->Offset,
- HMainEditor.BufferImage->DiskImage->Size,
- HMainEditor.BufferImage->MemImage->Offset,
- HMainEditor.BufferImage->MemImage->Size,
- BufferType
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- MainTitleBarRefresh (
- HMainEditor.BufferImage->BufferType == FileTypeFileBuffer ? HMainEditor.BufferImage->FileImage->FileName : HMainEditor.BufferImage->BufferType == FileTypeDiskBuffer ? HMainEditor.BufferImage->DiskImage->Name : NULL,
- HMainEditor.BufferImage->BufferType,
- HMainEditor.BufferImage->FileImage->ReadOnly,
- FALSE,
- HMainEditor.ScreenSize.Column,
- HMainEditor.ScreenSize.Row,
- HMainEditor.BufferImage->BufferType == FileTypeDiskBuffer ? HMainEditor.BufferImage->DiskImage->Offset : HMainEditor.BufferImage->BufferType == FileTypeMemBuffer ? HMainEditor.BufferImage->MemImage->Offset : 0,
- HMainEditor.BufferImage->BufferType == FileTypeDiskBuffer ? HMainEditor.BufferImage->DiskImage->Size : HMainEditor.BufferImage->BufferType == FileTypeMemBuffer ? HMainEditor.BufferImage->MemImage->Size : 0
- );
- Done = TRUE;
- break;
-
- case L'n':
- case L'N':
- //
- // the file won't be saved
- //
- Done = TRUE;
- break;
-
- case L'c':
- case L'C':
- return EFI_SUCCESS;
- }
- }
- }
-
- //
- // get starting offset
- //
- Status = InputBarSetPrompt (L"Starting Offset: ");
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Status = InputBarSetStringSize (8);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- while (1) {
- Status = InputBarRefresh (HMainEditor.ScreenSize.Row, HMainEditor.ScreenSize.Column);
-
- //
- // ESC pressed
- //
- if (Status == EFI_NOT_READY) {
- return EFI_SUCCESS;
- }
-
- //
- // THE input string length should > 0
- //
- if (StrLen (InputBarGetString ()) > 0) {
- Status = ShellConvertStringToUint64 (InputBarGetString (), &Offset, TRUE, FALSE);
- if (EFI_ERROR (Status)) {
- continue;
- }
-
- break;
- }
- }
-
- //
- // get Number of Blocks:
- //
- Status = InputBarSetPrompt (L"Buffer Size: ");
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Status = InputBarSetStringSize (8);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- while (1) {
- Status = InputBarRefresh (HMainEditor.ScreenSize.Row, HMainEditor.ScreenSize.Column);
-
- //
- // ESC pressed
- //
- if (Status == EFI_NOT_READY) {
- return EFI_SUCCESS;
- }
-
- //
- // THE input string length should > 0
- //
- if (StrLen (InputBarGetString ()) > 0) {
- Status = ShellConvertStringToUint64 (InputBarGetString (), &Size, TRUE, FALSE);
- if (EFI_ERROR (Status)) {
- continue;
- }
-
- if (Size == 0) {
- continue;
- }
-
- break;
- }
- }
-
- if ((Offset + Size - 1) > 0xffffffff) {
- StatusBarSetStatusString (L"Invalid parameter");
- return EFI_LOAD_ERROR;
- }
-
- Status = HBufferImageRead (
- NULL,
- NULL,
- 0,
- 0,
- (UINTN)Offset,
- (UINTN)Size,
- FileTypeMemBuffer,
- FALSE
- );
-
- if (EFI_ERROR (Status)) {
- StatusBarSetStatusString (L"Read Device Error!");
- HBufferImageRead (
- HMainEditor.BufferImage->FileImage->FileName,
- HMainEditor.BufferImage->DiskImage->Name,
- HMainEditor.BufferImage->DiskImage->Offset,
- HMainEditor.BufferImage->DiskImage->Size,
- HMainEditor.BufferImage->MemImage->Offset,
- HMainEditor.BufferImage->MemImage->Size,
- BufferType,
- TRUE
- );
- return EFI_NOT_FOUND;
- }
-
- return EFI_SUCCESS;
-}
-
-MENU_ITEM_FUNCTION HexMainControlBasedMenuFunctions[] = {
- NULL,
- NULL, /* Ctrl - A */
- NULL, /* Ctrl - B */
- NULL, /* Ctrl - C */
- HMainCommandSelectEnd, /* Ctrl - D */
- HMainCommandDisplayHelp, /* Ctrl - E */
- NULL, /* Ctrl - F */
- HMainCommandGoToOffset, /* Ctrl - G */
- NULL, /* Ctrl - H */
- HMainCommandOpenDisk, /* Ctrl - I */
- NULL, /* Ctrl - J */
- NULL, /* Ctrl - K */
- NULL, /* Ctrl - L */
- HMainCommandOpenMemory, /* Ctrl - M */
- NULL, /* Ctrl - N */
- HMainCommandOpenFile, /* Ctrl - O */
- NULL, /* Ctrl - P */
- HMainCommandExit, /* Ctrl - Q */
- NULL, /* Ctrl - R */
- HMainCommandSaveBuffer, /* Ctrl - S */
- HMainCommandSelectStart, /* Ctrl - T */
- NULL, /* Ctrl - U */
- HMainCommandPaste, /* Ctrl - V */
- NULL, /* Ctrl - W */
- HMainCommandCut, /* Ctrl - X */
- NULL, /* Ctrl - Y */
- NULL, /* Ctrl - Z */
-};
-
-CONST EDITOR_MENU_ITEM HexEditorMenuItems[] = {
- {
- STRING_TOKEN (STR_HEXEDIT_LIBMENUBAR_GO_TO_OFFSET),
- STRING_TOKEN (STR_EDIT_LIBMENUBAR_F1),
- HMainCommandGoToOffset
- },
- {
- STRING_TOKEN (STR_HEXEDIT_LIBMENUBAR_SAVE_BUFFER),
- STRING_TOKEN (STR_EDIT_LIBMENUBAR_F2),
- HMainCommandSaveBuffer
- },
- {
- STRING_TOKEN (STR_EDIT_LIBMENUBAR_EXIT),
- STRING_TOKEN (STR_EDIT_LIBMENUBAR_F3),
- HMainCommandExit
- },
-
- {
- STRING_TOKEN (STR_HEXEDIT_LIBMENUBAR_SELECT_START),
- STRING_TOKEN (STR_EDIT_LIBMENUBAR_F4),
- HMainCommandSelectStart
- },
- {
- STRING_TOKEN (STR_HEXEDIT_LIBMENUBAR_SELECT_END),
- STRING_TOKEN (STR_EDIT_LIBMENUBAR_F5),
- HMainCommandSelectEnd
- },
- {
- STRING_TOKEN (STR_HEXEDIT_LIBMENUBAR_CUT),
- STRING_TOKEN (STR_EDIT_LIBMENUBAR_F6),
- HMainCommandCut
- },
- {
- STRING_TOKEN (STR_HEXEDIT_LIBMENUBAR_PASTE),
- STRING_TOKEN (STR_EDIT_LIBMENUBAR_F7),
- HMainCommandPaste
- },
-
- {
- STRING_TOKEN (STR_HEXEDIT_LIBMENUBAR_OPEN_FILE),
- STRING_TOKEN (STR_EDIT_LIBMENUBAR_F8),
- HMainCommandOpenFile
- },
- {
- STRING_TOKEN (STR_HEXEDIT_LIBMENUBAR_OPEN_DISK),
- STRING_TOKEN (STR_EDIT_LIBMENUBAR_F9),
- HMainCommandOpenDisk
- },
- {
- STRING_TOKEN (STR_HEXEDIT_LIBMENUBAR_OPEN_MEMORY),
- STRING_TOKEN (STR_EDIT_LIBMENUBAR_F10),
- HMainCommandOpenMemory
- },
-
- {
- 0,
- 0,
- NULL
- }
-};
-
-/**
- Init function for MainEditor
-
- @retval EFI_SUCCESS The operation was successful.
- @retval EFI_LOAD_ERROR A load error occurred.
-**/
-EFI_STATUS
-HMainEditorInit (
- VOID
- )
-{
- EFI_STATUS Status;
- EFI_HANDLE *HandleBuffer;
- UINTN HandleCount;
- UINTN Index;
-
- //
- // basic initialization
- //
- CopyMem (&HMainEditor, &HMainEditorConst, sizeof (HMainEditor));
-
- //
- // set screen attributes
- //
- HMainEditor.ColorAttributes.Colors.Foreground = gST->ConOut->Mode->Attribute & 0x000000ff;
-
- HMainEditor.ColorAttributes.Colors.Background = (UINT8)(gST->ConOut->Mode->Attribute >> 4);
-
- HOriginalColors = HMainEditor.ColorAttributes.Colors;
-
- HOriginalMode = gST->ConOut->Mode->Mode;
-
- //
- // query screen size
- //
- gST->ConOut->QueryMode (
- gST->ConOut,
- gST->ConOut->Mode->Mode,
- &(HMainEditor.ScreenSize.Column),
- &(HMainEditor.ScreenSize.Row)
- );
-
- //
- // Find TextInEx in System Table ConsoleInHandle
- // Per UEFI Spec, TextInEx is required for a console capable platform.
- //
- Status = gBS->HandleProtocol (
- gST->ConsoleInHandle,
- &gEfiSimpleTextInputExProtocolGuid,
- (VOID **)&HMainEditor.TextInputEx
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // Find mouse in System Table ConsoleInHandle
- //
- Status = gBS->HandleProtocol (
- gST->ConsoleInHandle,
- &gEfiSimplePointerProtocolGuid,
- (VOID **)&HMainEditor.MouseInterface
- );
- if (EFI_ERROR (Status)) {
- //
- // If there is no Simple Pointer Protocol on System Table
- //
- HandleBuffer = NULL;
- HMainEditor.MouseInterface = NULL;
- Status = gBS->LocateHandleBuffer (
- ByProtocol,
- &gEfiSimplePointerProtocolGuid,
- NULL,
- &HandleCount,
- &HandleBuffer
- );
- if (!EFI_ERROR (Status) && (HandleCount > 0)) {
- //
- // Try to find the first available mouse device
- //
- for (Index = 0; Index < HandleCount; Index++) {
- Status = gBS->HandleProtocol (
- HandleBuffer[Index],
- &gEfiSimplePointerProtocolGuid,
- (VOID **)&HMainEditor.MouseInterface
- );
- if (!EFI_ERROR (Status)) {
- break;
- }
- }
- }
-
- if (HandleBuffer != NULL) {
- FreePool (HandleBuffer);
- }
- }
-
- if (!EFI_ERROR (Status) && (HMainEditor.MouseInterface != NULL)) {
- HMainEditor.MouseAccumulatorX = 0;
- HMainEditor.MouseAccumulatorY = 0;
- HMainEditor.MouseSupported = TRUE;
- }
-
- //
- // below will call the five components' init function
- //
- Status = MainTitleBarInit (L"UEFI HEXEDIT");
- if (EFI_ERROR (Status)) {
- ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_HEXEDIT_LIBEDITOR_MAINEDITOR_TITLE), gShellDebug1HiiHandle);
- return EFI_LOAD_ERROR;
- }
-
- Status = ControlHotKeyInit (HexMainControlBasedMenuFunctions);
- if (EFI_ERROR (Status)) {
- ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_HEXEDIT_LIBEDITOR_MAINEDITOR_MAINMENU), gShellDebug1HiiHandle);
- return EFI_LOAD_ERROR;
- }
-
- Status = MenuBarInit (HexEditorMenuItems);
- if (EFI_ERROR (Status)) {
- ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_HEXEDIT_LIBEDITOR_MAINEDITOR_MAINMENU), gShellDebug1HiiHandle);
- return EFI_LOAD_ERROR;
- }
-
- Status = StatusBarInit ();
- if (EFI_ERROR (Status)) {
- ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_HEXEDIT_LIBEDITOR_MAINEDITOR_STATUS), gShellDebug1HiiHandle);
- return EFI_LOAD_ERROR;
- }
-
- InputBarInit (HMainEditor.TextInputEx);
-
- Status = HBufferImageInit ();
- if (EFI_ERROR (Status)) {
- ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_HEXEDIT_LIBEDITOR_MAINEDITOR_BUFFERIMAGE), gShellDebug1HiiHandle);
- return EFI_LOAD_ERROR;
- }
-
- Status = HClipBoardInit ();
- if (EFI_ERROR (Status)) {
- ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_HEXEDIT_LIBEDITOR_MAINEDITOR_CLIPBOARD), gShellDebug1HiiHandle);
- return EFI_LOAD_ERROR;
- }
-
- //
- // clear whole screen and enable cursor
- //
- gST->ConOut->ClearScreen (gST->ConOut);
- gST->ConOut->EnableCursor (gST->ConOut, TRUE);
-
- //
- // initialize EditorFirst and EditorExit
- //
- HEditorFirst = TRUE;
- HEditorExit = FALSE;
- HEditorMouseAction = FALSE;
-
- return EFI_SUCCESS;
-}
-
-/**
- Cleanup function for MainEditor.
-
- @retval EFI_SUCCESS The operation was successful.
- @retval EFI_LOAD_ERROR A load error occurred.
-**/
-EFI_STATUS
-HMainEditorCleanup (
- VOID
- )
-{
- EFI_STATUS Status;
-
- //
- // call the five components' cleanup function
- //
- MainTitleBarCleanup ();
-
- MenuBarCleanup ();
-
- StatusBarCleanup ();
-
- InputBarCleanup ();
-
- Status = HBufferImageCleanup ();
- if (EFI_ERROR (Status)) {
- ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_HEXEDIT_LIBEDITOR_BUFFERIMAGE_CLEAN), gShellDebug1HiiHandle);
- }
-
- Status = HClipBoardCleanup ();
- if (EFI_ERROR (Status)) {
- ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_HEXEDIT_LIBEDITOR_CLIPBOARD_CLEAN), gShellDebug1HiiHandle);
- }
-
- //
- // restore old mode
- //
- if (HOriginalMode != gST->ConOut->Mode->Mode) {
- gST->ConOut->SetMode (gST->ConOut, HOriginalMode);
- }
-
- gST->ConOut->SetAttribute (
- gST->ConOut,
- EFI_TEXT_ATTR (HOriginalColors.Foreground, HOriginalColors.Background)
- );
- gST->ConOut->ClearScreen (gST->ConOut);
-
- return EFI_SUCCESS;
-}
-
-/**
- Refresh function for MainEditor.
-
- @retval EFI_SUCCESS The operation was successful.
-**/
-EFI_STATUS
-HMainEditorRefresh (
- VOID
- )
-{
- BOOLEAN NameChange;
- BOOLEAN ReadChange;
-
- NameChange = FALSE;
- ReadChange = FALSE;
-
- if (HMainEditor.BufferImage->BufferType == FileTypeDiskBuffer) {
- if ((HMainEditor.BufferImage->DiskImage != NULL) &&
- (HBufferImageBackupVar.DiskImage != NULL) &&
- ((HMainEditor.BufferImage->DiskImage->Offset != HBufferImageBackupVar.DiskImage->Offset) ||
- (HMainEditor.BufferImage->DiskImage->Size != HBufferImageBackupVar.DiskImage->Size)))
- {
- NameChange = TRUE;
- }
- } else if (HMainEditor.BufferImage->BufferType == FileTypeMemBuffer) {
- if ((HMainEditor.BufferImage->MemImage != NULL) &&
- (HBufferImageBackupVar.MemImage != NULL) &&
- ((HMainEditor.BufferImage->MemImage->Offset != HBufferImageBackupVar.MemImage->Offset) ||
- (HMainEditor.BufferImage->MemImage->Size != HBufferImageBackupVar.MemImage->Size)))
- {
- NameChange = TRUE;
- }
- } else if (HMainEditor.BufferImage->BufferType == FileTypeFileBuffer) {
- if ((HMainEditor.BufferImage->FileImage != NULL) &&
- (HMainEditor.BufferImage->FileImage->FileName != NULL) &&
- (HBufferImageBackupVar.FileImage != NULL) &&
- (HBufferImageBackupVar.FileImage->FileName != NULL) &&
- (StrCmp (HMainEditor.BufferImage->FileImage->FileName, HBufferImageBackupVar.FileImage->FileName) != 0))
- {
- NameChange = TRUE;
- }
- }
-
- if ((HMainEditor.BufferImage->FileImage != NULL) &&
- (HBufferImageBackupVar.FileImage != NULL) &&
- (HMainEditor.BufferImage->FileImage->ReadOnly != HBufferImageBackupVar.FileImage->ReadOnly))
- {
- ReadChange = TRUE;
- }
-
- //
- // to aVOID screen flicker
- // the stall value is from experience
- //
- gBS->Stall (50);
-
- //
- // call the components refresh function
- //
- if ( HEditorFirst
- || NameChange
- || (HMainEditor.BufferImage->BufferType != HBufferImageBackupVar.BufferType)
- || (HBufferImageBackupVar.Modified != HMainEditor.BufferImage->Modified)
- || ReadChange )
- {
- MainTitleBarRefresh (
- HMainEditor.BufferImage->BufferType == FileTypeFileBuffer && HMainEditor.BufferImage->FileImage != NULL ? HMainEditor.BufferImage->FileImage->FileName : HMainEditor.BufferImage->BufferType == FileTypeDiskBuffer && HMainEditor.BufferImage->DiskImage != NULL ? HMainEditor.BufferImage->DiskImage->Name : NULL,
- HMainEditor.BufferImage->BufferType,
- (BOOLEAN)(HMainEditor.BufferImage->FileImage != NULL ? HMainEditor.BufferImage->FileImage->ReadOnly : FALSE),
- HMainEditor.BufferImage->Modified,
- HMainEditor.ScreenSize.Column,
- HMainEditor.ScreenSize.Row,
- HMainEditor.BufferImage->BufferType == FileTypeDiskBuffer && HMainEditor.BufferImage->DiskImage != NULL ? HMainEditor.BufferImage->DiskImage->Offset : HMainEditor.BufferImage->BufferType == FileTypeMemBuffer && HMainEditor.BufferImage->MemImage != NULL ? HMainEditor.BufferImage->MemImage->Offset : 0,
- HMainEditor.BufferImage->BufferType == FileTypeDiskBuffer && HMainEditor.BufferImage->DiskImage != NULL ? HMainEditor.BufferImage->DiskImage->Size : HMainEditor.BufferImage->BufferType == FileTypeMemBuffer && HMainEditor.BufferImage->MemImage != NULL ? HMainEditor.BufferImage->MemImage->Size : 0
- );
- HBufferImageRefresh ();
- }
-
- if ( HEditorFirst
- || (HBufferImageBackupVar.DisplayPosition.Row != HMainEditor.BufferImage->DisplayPosition.Row)
- || (HBufferImageBackupVar.DisplayPosition.Column != HMainEditor.BufferImage->DisplayPosition.Column)
- || StatusBarGetRefresh ())
- {
- StatusBarRefresh (
- HEditorFirst,
- HMainEditor.ScreenSize.Row,
- HMainEditor.ScreenSize.Column,
- (UINTN)(-1),
- (UINTN)(-1),
- FALSE
- );
- HBufferImageRefresh ();
- }
-
- if (HEditorFirst) {
- HBufferImageRefresh ();
- }
-
- //
- // EditorFirst is now set to FALSE
- //
- HEditorFirst = FALSE;
-
- return EFI_SUCCESS;
-}
-
-/**
- Handle the mouse input.
-
- @param[in] MouseState The current mouse state.
- @param[out] BeforeLeftButtonDown helps with selections.
-
- @retval EFI_SUCCESS The operation was successful.
- @retval EFI_OUT_OF_RESOURCES A memory allocation occurred.
- @retval EFI_LOAD_ERROR A load error occurred.
- @retval EFI_NOT_FOUND The disk was not found.
-**/
-EFI_STATUS
-HMainEditorHandleMouseInput (
- IN EFI_SIMPLE_POINTER_STATE MouseState,
- OUT BOOLEAN *BeforeLeftButtonDown
- )
-{
- INT32 TextX;
- INT32 TextY;
- UINTN FRow;
- UINTN FCol;
- BOOLEAN HighBits;
- LIST_ENTRY *Link;
- HEFI_EDITOR_LINE *Line;
- UINTN Index;
- BOOLEAN Action;
-
- Action = FALSE;
-
- //
- // have mouse movement
- //
- if (MouseState.RelativeMovementX || MouseState.RelativeMovementY) {
- //
- // handle
- //
- TextX = HGetTextX (MouseState.RelativeMovementX);
- TextY = HGetTextY (MouseState.RelativeMovementY);
-
- HBufferImageAdjustMousePosition (TextX, TextY);
-
- Action = TRUE;
- }
-
- if (MouseState.LeftButton) {
- HighBits = HBufferImageIsAtHighBits (
- HMainEditor.BufferImage->MousePosition.Column,
- &FCol
- );
-
- //
- // not at an movable place
- //
- if (FCol == 0) {
- //
- // now just move mouse pointer to legal position
- //
- //
- // move mouse position to legal position
- //
- HMainEditor.BufferImage->MousePosition.Column -= 10;
- if (HMainEditor.BufferImage->MousePosition.Column > 24) {
- HMainEditor.BufferImage->MousePosition.Column--;
- FCol = HMainEditor.BufferImage->MousePosition.Column / 3 + 1 + 1;
- } else {
- if (HMainEditor.BufferImage->MousePosition.Column < 24) {
- FCol = HMainEditor.BufferImage->MousePosition.Column / 3 + 1 + 1;
- } else {
- //
- // == 24
- //
- FCol = 9;
- }
- }
-
- HighBits = TRUE;
- }
-
- FRow = HMainEditor.BufferImage->BufferPosition.Row +
- HMainEditor.BufferImage->MousePosition.Row -
- HMainEditor.BufferImage->DisplayPosition.Row;
-
- if (HMainEditor.BufferImage->NumLines < FRow) {
- //
- // dragging
- //
- //
- // now just move mouse pointer to legal position
- //
- FRow = HMainEditor.BufferImage->NumLines;
- HighBits = TRUE;
- }
-
- Link = HMainEditor.BufferImage->ListHead->ForwardLink;
- for (Index = 0; Index < FRow - 1; Index++) {
- Link = Link->ForwardLink;
- }
-
- Line = CR (Link, HEFI_EDITOR_LINE, Link, EFI_EDITOR_LINE_LIST);
-
- //
- // dragging
- //
- //
- // now just move mouse pointer to legal position
- //
- if (FCol > Line->Size) {
- if (*BeforeLeftButtonDown) {
- HighBits = FALSE;
-
- if (Line->Size == 0) {
- if (FRow > 1) {
- FRow--;
- FCol = 16;
- } else {
- FRow = 1;
- FCol = 1;
- }
- } else {
- FCol = Line->Size;
- }
- } else {
- FCol = Line->Size + 1;
- HighBits = TRUE;
- }
- }
-
- HBufferImageMovePosition (FRow, FCol, HighBits);
-
- HMainEditor.BufferImage->MousePosition.Row = HMainEditor.BufferImage->DisplayPosition.Row;
-
- HMainEditor.BufferImage->MousePosition.Column = HMainEditor.BufferImage->DisplayPosition.Column;
-
- *BeforeLeftButtonDown = TRUE;
-
- Action = TRUE;
- } else {
- //
- // else of if LButton
- //
- // release LButton
- //
- if (*BeforeLeftButtonDown) {
- Action = TRUE;
- }
-
- //
- // mouse up
- //
- *BeforeLeftButtonDown = FALSE;
- }
-
- if (Action) {
- return EFI_SUCCESS;
- }
-
- return EFI_NOT_FOUND;
-}
-
-/**
- Handle user key input. will route it to other components handle function.
-
- @retval EFI_SUCCESS The operation was successful.
- @retval EFI_OUT_OF_RESOURCES A memory allocation occurred.
- @retval EFI_LOAD_ERROR A load error occurred.
-**/
-EFI_STATUS
-HMainEditorKeyInput (
- VOID
- )
-{
- EFI_KEY_DATA KeyData;
- EFI_STATUS Status;
- EFI_SIMPLE_POINTER_STATE MouseState;
- BOOLEAN NoShiftState;
- BOOLEAN LengthChange;
- UINTN Size;
- UINTN OldSize;
- BOOLEAN BeforeMouseIsDown;
- BOOLEAN MouseIsDown;
- BOOLEAN FirstDown;
- BOOLEAN MouseDrag;
- UINTN FRow;
- UINTN FCol;
- UINTN SelectStartBackup;
- UINTN SelectEndBackup;
-
- //
- // variable initialization
- //
- OldSize = 0;
- FRow = 0;
- FCol = 0;
- LengthChange = FALSE;
-
- MouseIsDown = FALSE;
- FirstDown = FALSE;
- MouseDrag = FALSE;
-
- do {
- Status = EFI_SUCCESS;
-
- HEditorMouseAction = FALSE;
-
- //
- // backup some key elements, so that can aVOID some refresh work
- //
- HMainEditorBackup ();
-
- //
- // wait for user key input
- //
- //
- // change priority of checking mouse/keyboard activity dynamically
- // so prevent starvation of keyboard.
- // if last time, mouse moves then this time check keyboard
- //
- if (HMainEditor.MouseSupported) {
- Status = HMainEditor.MouseInterface->GetState (
- HMainEditor.MouseInterface,
- &MouseState
- );
- if (!EFI_ERROR (Status)) {
- BeforeMouseIsDown = MouseIsDown;
-
- Status = HMainEditorHandleMouseInput (MouseState, &MouseIsDown);
-
- if (!EFI_ERROR (Status)) {
- if (!BeforeMouseIsDown) {
- //
- // mouse down
- //
- if (MouseIsDown) {
- FRow = HBufferImage.BufferPosition.Row;
- FCol = HBufferImage.BufferPosition.Column;
- SelectStartBackup = HMainEditor.SelectStart;
- SelectEndBackup = HMainEditor.SelectEnd;
-
- FirstDown = TRUE;
- }
- } else {
- SelectStartBackup = HMainEditor.SelectStart;
- SelectEndBackup = HMainEditor.SelectEnd;
-
- //
- // begin to drag
- //
- if (MouseIsDown) {
- if (FirstDown) {
- if (MouseState.RelativeMovementX || MouseState.RelativeMovementY) {
- HMainEditor.SelectStart = 0;
- HMainEditor.SelectEnd = 0;
- HMainEditor.SelectStart = (FRow - 1) * 0x10 + FCol;
-
- MouseDrag = TRUE;
- FirstDown = FALSE;
- }
- } else {
- if ((
- (HBufferImage.BufferPosition.Row - 1) *
- 0x10 +
- HBufferImage.BufferPosition.Column
- ) >= HMainEditor.SelectStart
- )
- {
- HMainEditor.SelectEnd = (HBufferImage.BufferPosition.Row - 1) *
- 0x10 +
- HBufferImage.BufferPosition.Column;
- } else {
- HMainEditor.SelectEnd = 0;
- }
- }
-
- //
- // end of if RelativeX/Y
- //
- } else {
- //
- // mouse is up
- //
- if (MouseDrag) {
- if (HBufferImageGetTotalSize () == 0) {
- HMainEditor.SelectStart = 0;
- HMainEditor.SelectEnd = 0;
- FirstDown = FALSE;
- MouseDrag = FALSE;
- }
-
- if ((
- (HBufferImage.BufferPosition.Row - 1) *
- 0x10 +
- HBufferImage.BufferPosition.Column
- ) >= HMainEditor.SelectStart
- )
- {
- HMainEditor.SelectEnd = (HBufferImage.BufferPosition.Row - 1) *
- 0x10 +
- HBufferImage.BufferPosition.Column;
- } else {
- HMainEditor.SelectEnd = 0;
- }
-
- if (HMainEditor.SelectEnd == 0) {
- HMainEditor.SelectStart = 0;
- }
- }
-
- FirstDown = FALSE;
- MouseDrag = FALSE;
- }
-
- if ((SelectStartBackup != HMainEditor.SelectStart) || (SelectEndBackup != HMainEditor.SelectEnd)) {
- if ((SelectStartBackup - 1) / 0x10 != (HMainEditor.SelectStart - 1) / 0x10) {
- HBufferImageNeedRefresh = TRUE;
- } else {
- if ((SelectEndBackup - 1) / 0x10 != (HMainEditor.SelectEnd - 1) / 0x10) {
- HBufferImageNeedRefresh = TRUE;
- } else {
- HBufferImageOnlyLineNeedRefresh = TRUE;
- }
- }
- }
- }
-
- HEditorMouseAction = TRUE;
- HBufferImageMouseNeedRefresh = TRUE;
- } else if (Status == EFI_LOAD_ERROR) {
- StatusBarSetStatusString (L"Invalid Mouse Movement ");
- }
- }
- }
-
- //
- // CheckEvent() returns Success when non-partial key is pressed.
- //
- Status = gBS->CheckEvent (HMainEditor.TextInputEx->WaitForKeyEx);
- if (!EFI_ERROR (Status)) {
- Status = HMainEditor.TextInputEx->ReadKeyStrokeEx (HMainEditor.TextInputEx, &KeyData);
- if (!EFI_ERROR (Status)) {
- //
- // dispatch to different components' key handling function
- // so not everywhere has to set this variable
- //
- HBufferImageMouseNeedRefresh = TRUE;
-
- //
- // clear previous status string
- //
- StatusBarSetRefresh ();
- //
- // NoShiftState: TRUE when no shift key is pressed.
- //
- NoShiftState = ((KeyData.KeyState.KeyShiftState & EFI_SHIFT_STATE_VALID) == 0) || (KeyData.KeyState.KeyShiftState == EFI_SHIFT_STATE_VALID);
- //
- // dispatch to different components' key handling function
- //
- if (EFI_SUCCESS == MenuBarDispatchControlHotKey (&KeyData)) {
- Status = EFI_SUCCESS;
- } else if (NoShiftState && (KeyData.Key.ScanCode == SCAN_NULL)) {
- Status = HBufferImageHandleInput (&KeyData.Key);
- } else if (NoShiftState && ((KeyData.Key.ScanCode >= SCAN_UP) && (KeyData.Key.ScanCode <= SCAN_PAGE_DOWN))) {
- Status = HBufferImageHandleInput (&KeyData.Key);
- } else if (NoShiftState && ((KeyData.Key.ScanCode >= SCAN_F1) && (KeyData.Key.ScanCode <= SCAN_F12))) {
- Status = MenuBarDispatchFunctionKey (&KeyData.Key);
- } else {
- StatusBarSetStatusString (L"Unknown Command");
-
- HBufferImageMouseNeedRefresh = FALSE;
- }
-
- if ((Status != EFI_SUCCESS) && (Status != EFI_OUT_OF_RESOURCES)) {
- //
- // not already has some error status
- //
- if (StrCmp (L"", StatusBarGetString ()) == 0) {
- StatusBarSetStatusString (L"Disk Error. Try Again");
- }
- }
- }
-
- //
- // decide if has to set length warning
- //
- if (HBufferImage.BufferType != HBufferImageBackupVar.BufferType) {
- LengthChange = FALSE;
- } else {
- //
- // still the old buffer
- //
- if (HBufferImage.BufferType != FileTypeFileBuffer) {
- Size = HBufferImageGetTotalSize ();
-
- switch (HBufferImage.BufferType) {
- case FileTypeDiskBuffer:
- OldSize = HBufferImage.DiskImage->Size * HBufferImage.DiskImage->BlockSize;
- break;
-
- case FileTypeMemBuffer:
- OldSize = HBufferImage.MemImage->Size;
- break;
-
- default:
- OldSize = 0;
- break;
- }
-
- if (!LengthChange) {
- if (OldSize != Size) {
- StatusBarSetStatusString (L"Disk/Mem Buffer Length should not be changed");
- }
- }
-
- if (OldSize != Size) {
- LengthChange = TRUE;
- } else {
- LengthChange = FALSE;
- }
- }
- }
- }
-
- //
- // after handling, refresh editor
- //
- HMainEditorRefresh ();
- } while (Status != EFI_OUT_OF_RESOURCES && !HEditorExit);
-
- return Status;
-}
-
-/**
- Backup function for MainEditor.
-**/
-VOID
-HMainEditorBackup (
- VOID
- )
-{
- HMainEditorBackupVar.SelectStart = HMainEditor.SelectStart;
- HMainEditorBackupVar.SelectEnd = HMainEditor.SelectEnd;
- HBufferImageBackup ();
-}
+/** @file
+ Defines the Main Editor data type -
+ - Global variables
+ - Instances of the other objects of the editor
+ - Main Interfaces
+
+ Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved. <BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "HexEditor.h"
+#include "EditStatusBar.h"
+#include "EditInputBar.h"
+
+HEFI_EDITOR_COLOR_ATTRIBUTES HOriginalColors;
+INTN HOriginalMode;
+
+//
+// the first time editor launch
+//
+BOOLEAN HEditorFirst;
+
+//
+// it's time editor should exit
+//
+BOOLEAN HEditorExit;
+
+BOOLEAN HEditorMouseAction;
+
+extern HEFI_EDITOR_BUFFER_IMAGE HBufferImage;
+extern HEFI_EDITOR_BUFFER_IMAGE HBufferImageBackupVar;
+
+extern BOOLEAN HBufferImageMouseNeedRefresh;
+extern BOOLEAN HBufferImageNeedRefresh;
+extern BOOLEAN HBufferImageOnlyLineNeedRefresh;
+
+HEFI_EDITOR_GLOBAL_EDITOR HMainEditor;
+HEFI_EDITOR_GLOBAL_EDITOR HMainEditorBackupVar;
+
+//
+// basic initialization for MainEditor
+//
+HEFI_EDITOR_GLOBAL_EDITOR HMainEditorConst = {
+ &HBufferImage,
+ {
+ { 0, 0}
+ },
+ {
+ 0,
+ 0
+ },
+ NULL,
+ FALSE,
+ NULL,
+ 0,
+ 0,
+ 1,
+ 1
+};
+
+/**
+ Help info that will be displayed.
+**/
+EFI_STRING_ID HexMainMenuHelpInfo[] = {
+ STRING_TOKEN (STR_HEXEDIT_HELP_TITLE),
+ STRING_TOKEN (STR_HEXEDIT_HELP_BLANK),
+ STRING_TOKEN (STR_HEXEDIT_HELP_LIST_TITLE),
+ STRING_TOKEN (STR_HEXEDIT_HELP_DIV),
+ STRING_TOKEN (STR_HEXEDIT_HELP_GO_TO_OFFSET),
+ STRING_TOKEN (STR_HEXEDIT_HELP_SAVE_BUFFER),
+ STRING_TOKEN (STR_HEXEDIT_HELP_EXIT),
+ STRING_TOKEN (STR_HEXEDIT_HELP_SELECT_START),
+ STRING_TOKEN (STR_HEXEDIT_HELP_SELECT_END),
+ STRING_TOKEN (STR_HEXEDIT_HELP_CUT),
+ STRING_TOKEN (STR_HEXEDIT_HELP_PASTE),
+ STRING_TOKEN (STR_HEXEDIT_HELP_OPEN_FILE),
+ STRING_TOKEN (STR_HEXEDIT_HELP_OPEN_DISK),
+ STRING_TOKEN (STR_HEXEDIT_HELP_OPEN_MEMORY),
+ STRING_TOKEN (STR_HEXEDIT_HELP_BLANK),
+ STRING_TOKEN (STR_HEXEDIT_HELP_EXIT_HELP),
+ STRING_TOKEN (STR_HEXEDIT_HELP_BLANK),
+ STRING_TOKEN (STR_HEXEDIT_HELP_BLANK),
+ STRING_TOKEN (STR_HEXEDIT_HELP_BLANK),
+ STRING_TOKEN (STR_HEXEDIT_HELP_BLANK),
+ STRING_TOKEN (STR_HEXEDIT_HELP_BLANK),
+ STRING_TOKEN (STR_HEXEDIT_HELP_BLANK),
+ STRING_TOKEN (STR_HEXEDIT_HELP_DIV),
+ 0
+};
+
+/**
+ show help menu.
+
+ @retval EFI_SUCCESS The operation was successful.
+**/
+EFI_STATUS
+HMainCommandDisplayHelp (
+ VOID
+ )
+{
+ INT32 CurrentLine;
+ CHAR16 *InfoString;
+ EFI_KEY_DATA KeyData;
+ EFI_STATUS Status;
+ UINTN EventIndex;
+
+ //
+ // print helpInfo
+ //
+ for (CurrentLine = 0; 0 != HexMainMenuHelpInfo[CurrentLine]; CurrentLine++) {
+ InfoString = HiiGetString (
+ gShellDebug1HiiHandle,
+ HexMainMenuHelpInfo[CurrentLine]
+ ,
+ NULL
+ );
+ ShellPrintEx (0, CurrentLine+1, L"%E%s%N", InfoString);
+ }
+
+ //
+ // scan for ctrl+w
+ //
+ while (TRUE) {
+ Status = gBS->WaitForEvent (1, &HMainEditor.TextInputEx->WaitForKeyEx, &EventIndex);
+ if (EFI_ERROR (Status) || (EventIndex != 0)) {
+ continue;
+ }
+
+ Status = HMainEditor.TextInputEx->ReadKeyStrokeEx (HMainEditor.TextInputEx, &KeyData);
+ if (EFI_ERROR (Status)) {
+ continue;
+ }
+
+ if (((KeyData.KeyState.KeyShiftState & EFI_SHIFT_STATE_VALID) == 0) ||
+ (KeyData.KeyState.KeyShiftState == EFI_SHIFT_STATE_VALID))
+ {
+ //
+ // For consoles that don't support/report shift state,
+ // CTRL+W is translated to L'W' - L'A' + 1.
+ //
+ if (KeyData.Key.UnicodeChar == L'W' - L'A' + 1) {
+ break;
+ }
+ } else if (((KeyData.KeyState.KeyShiftState & EFI_SHIFT_STATE_VALID) != 0) &&
+ ((KeyData.KeyState.KeyShiftState & (EFI_LEFT_CONTROL_PRESSED | EFI_RIGHT_CONTROL_PRESSED)) != 0) &&
+ ((KeyData.KeyState.KeyShiftState & ~(EFI_SHIFT_STATE_VALID | EFI_LEFT_CONTROL_PRESSED | EFI_RIGHT_CONTROL_PRESSED)) == 0))
+ {
+ //
+ // For consoles that supports/reports shift state,
+ // make sure that only CONTROL shift key is pressed.
+ //
+ if ((KeyData.Key.UnicodeChar == 'w') || (KeyData.Key.UnicodeChar == 'W')) {
+ break;
+ }
+ }
+ }
+
+ // update screen with buffer's info
+ HBufferImageNeedRefresh = TRUE;
+ HBufferImageOnlyLineNeedRefresh = FALSE;
+ HBufferImageRefresh ();
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Move cursor to specified lines.
+
+ @retval EFI_SUCCESS The operation was successful.
+**/
+EFI_STATUS
+HMainCommandGoToOffset (
+ VOID
+ )
+{
+ UINTN Size;
+ UINT64 Offset;
+ EFI_STATUS Status;
+ UINTN FRow;
+ UINTN FCol;
+
+ //
+ // variable initialization
+ //
+ Size = 0;
+ Offset = 0;
+ FRow = 0;
+ FCol = 0;
+
+ //
+ // get offset
+ //
+ Status = InputBarSetPrompt (L"Go To Offset: ");
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = InputBarSetStringSize (8);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ while (1) {
+ Status = InputBarRefresh (HMainEditor.ScreenSize.Row, HMainEditor.ScreenSize.Column);
+
+ //
+ // ESC pressed
+ //
+ if (Status == EFI_NOT_READY) {
+ return EFI_SUCCESS;
+ }
+
+ //
+ // THE input string length should > 0
+ //
+ if (StrLen (InputBarGetString ()) > 0) {
+ Status = ShellConvertStringToUint64 (InputBarGetString (), &Offset, TRUE, FALSE);
+ if (EFI_ERROR (Status)) {
+ StatusBarSetStatusString (L"Invalid Offset");
+ return EFI_SUCCESS;
+ }
+
+ break;
+ }
+ }
+
+ Size = HBufferImageGetTotalSize ();
+ if (Offset >= Size) {
+ StatusBarSetStatusString (L"Invalid Offset");
+ return EFI_SUCCESS;
+ }
+
+ FRow = (UINTN)DivU64x32 (Offset, 0x10) + 1;
+ FCol = (UINTN)ModU64x32 (Offset, 0x10) + 1;
+
+ HBufferImageMovePosition (FRow, FCol, TRUE);
+
+ HBufferImageNeedRefresh = TRUE;
+ HBufferImageOnlyLineNeedRefresh = FALSE;
+ HBufferImageMouseNeedRefresh = TRUE;
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Save current opened buffer.
+ If is file buffer, you can save to current file name or
+ save to another file name.
+
+ @retval EFI_SUCCESS The operation was successful.
+ @retval EFI_OUT_OF_RESOURCES A memory allocation occurred.
+ @retval EFI_LOAD_ERROR A load error occurred.
+**/
+EFI_STATUS
+HMainCommandSaveBuffer (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+ BOOLEAN Done;
+ CHAR16 *FileName;
+ BOOLEAN OldFile;
+ CHAR16 *Str;
+ EFI_FILE_INFO *Info;
+ SHELL_FILE_HANDLE ShellFileHandle;
+
+ if (HMainEditor.BufferImage->BufferType != FileTypeFileBuffer) {
+ if (!HMainEditor.BufferImage->Modified) {
+ return EFI_SUCCESS;
+ }
+
+ Status = InputBarSetPrompt (L"Dangerous to save disk/mem buffer. Save (Yes/No/Cancel) ? ");
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // the answer is just one character
+ //
+ Status = InputBarSetStringSize (1);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // loop for user's answer
+ // valid answer is just 'y' 'Y', 'n' 'N', 'c' 'C'
+ //
+ while (1) {
+ Status = InputBarRefresh (HMainEditor.ScreenSize.Row, HMainEditor.ScreenSize.Column);
+
+ //
+ // ESC pressed
+ //
+ if (Status == EFI_NOT_READY) {
+ return EFI_SUCCESS;
+ }
+
+ switch (InputBarGetString ()[0]) {
+ case L'y':
+ case L'Y':
+ //
+ // want to save this buffer first
+ //
+ Status = HBufferImageSave (
+ NULL,
+ HMainEditor.BufferImage->DiskImage->Name,
+ HMainEditor.BufferImage->DiskImage->Offset,
+ HMainEditor.BufferImage->DiskImage->Size,
+ HMainEditor.BufferImage->MemImage->Offset,
+ HMainEditor.BufferImage->MemImage->Size,
+ HMainEditor.BufferImage->BufferType
+ );
+
+ if (EFI_ERROR (Status)) {
+ StatusBarSetStatusString (L"BufferSave: Problems Writing");
+ return Status;
+ }
+
+ return EFI_SUCCESS;
+
+ case L'n':
+ case L'N':
+ //
+ // the file won't be saved
+ //
+ return EFI_SUCCESS;
+
+ case L'c':
+ case L'C':
+ return EFI_SUCCESS;
+ }
+
+ //
+ // end of switch
+ //
+ }
+
+ //
+ // ENDOF WHILE
+ //
+ }
+
+ //
+ // ENDOF != FILEBUFFER
+ //
+ // This command will save currently opened file to disk.
+ // You can choose save to another file name or just save to
+ // current file name.
+ // Below is the scenario of Save File command: (
+ // Suppose the old file name is A )
+ // 1. An Input Bar will be prompted: "File To Save: [ old file name]"
+ // IF user press ESC, Save File command ends .
+ // IF user press Enter, input file name will be A.
+ // IF user inputs a new file name B, input file name will be B.
+ //
+ // 2. IF input file name is A, go to do Step 3.
+ // IF input file name is B, go to do Step 4.
+ //
+ // 3. IF A is read only, Status Bar will show "Access Denied"
+ // and Save File commands ends.
+ // IF A is not read only, save file buffer to disk
+ // and remove Modified flag in Title Bar , then Save File command ends.
+ //
+ // 4. IF B does not exist, create this file and save file buffer to it.
+ // Go to do Step 7.
+ // IF B exits, do Step 5.
+ //
+ // 5. An Input Bar will be prompted:
+ // "File Exists. Overwrite ( Yes/No/Cancel ) ?"
+ // IF user press 'y' or 'Y', do Step 6.
+ // IF user press 'n' or 'N', Save File commands ends.
+ // IF user press 'c' or 'C' or ESC, Save File commands ends.
+ //
+ // 6. IF B is a read-only file, Status Bar will show "Access Denied"
+ // and Save File commands ends.
+ // IF B can be read and write, save file buffer to B.
+ //
+ // 7. Update File Name field in Title Bar to B
+ // and remove the Modified flag in Title Bar.
+ //
+ Str = CatSPrint (
+ NULL,
+ L"File to Save: [%s]",
+ HMainEditor.BufferImage->FileImage->FileName
+ );
+ if (Str == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ if (StrLen (Str) >= 50) {
+ //
+ // replace the long file name with "..."
+ //
+ Str[46] = L'.';
+ Str[47] = L'.';
+ Str[48] = L'.';
+ Str[49] = L']';
+ Str[50] = L'\0';
+ }
+
+ Status = InputBarSetPrompt (Str);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = InputBarSetStringSize (100);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // get new file name
+ //
+ Status = InputBarRefresh (HMainEditor.ScreenSize.Row, HMainEditor.ScreenSize.Column);
+
+ //
+ // if user pressed ESC
+ //
+ if (Status == EFI_NOT_READY) {
+ SHELL_FREE_NON_NULL (Str);
+ return EFI_SUCCESS;
+ }
+
+ SHELL_FREE_NON_NULL (Str);
+
+ //
+ // if just enter pressed, so think save to current file name
+ //
+ if (StrLen (InputBarGetString ()) == 0) {
+ FileName = CatSPrint (
+ NULL,
+ L"%s",
+ HMainEditor.BufferImage->FileImage->FileName
+ );
+ } else {
+ FileName = CatSPrint (NULL, L"%s", InputBarGetString ());
+ }
+
+ if (FileName == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ if (!IsValidFileName (FileName)) {
+ StatusBarSetStatusString (L"Invalid File Name");
+ SHELL_FREE_NON_NULL (FileName);
+ return EFI_SUCCESS;
+ }
+
+ OldFile = FALSE;
+
+ //
+ // save to the old file
+ //
+ if (StringNoCaseCompare (
+ &FileName,
+ &HMainEditor.BufferImage->FileImage->FileName
+ ) == 0)
+ {
+ OldFile = TRUE;
+ }
+
+ if (OldFile) {
+ //
+ // if the file is read only, so can not write back to it.
+ //
+ if (HMainEditor.BufferImage->FileImage->ReadOnly) {
+ StatusBarSetStatusString (L"Access Denied");
+ SHELL_FREE_NON_NULL (FileName);
+ return EFI_SUCCESS;
+ }
+ } else {
+ Status = ShellOpenFileByName (FileName, &ShellFileHandle, EFI_FILE_MODE_READ, 0);
+
+ if (!EFI_ERROR (Status)) {
+ Info = ShellGetFileInfo (ShellFileHandle);
+
+ ShellCloseFile (&ShellFileHandle);
+ //
+ // check if read only
+ //
+ if (Info->Attribute & EFI_FILE_READ_ONLY) {
+ StatusBarSetStatusString (L"Access Denied");
+ SHELL_FREE_NON_NULL (FileName);
+ return EFI_SUCCESS;
+ }
+
+ SHELL_FREE_NON_NULL (Info);
+ //
+ // ask user whether to overwrite this file
+ //
+ Status = InputBarSetPrompt (L"File exists. Overwrite (Yes/No/Cancel) ? ");
+ if (EFI_ERROR (Status)) {
+ SHELL_FREE_NON_NULL (FileName);
+ return Status;
+ }
+
+ Status = InputBarSetStringSize (1);
+ if (EFI_ERROR (Status)) {
+ SHELL_FREE_NON_NULL (FileName);
+ return Status;
+ }
+
+ Done = FALSE;
+ while (!Done) {
+ Status = InputBarRefresh (HMainEditor.ScreenSize.Row, HMainEditor.ScreenSize.Column);
+
+ if (Status == EFI_NOT_READY) {
+ SHELL_FREE_NON_NULL (FileName);
+ return EFI_SUCCESS;
+ }
+
+ switch (InputBarGetString ()[0]) {
+ case L'y':
+ case L'Y':
+ Done = TRUE;
+ break;
+ case L'n':
+ case L'N':
+ SHELL_FREE_NON_NULL (FileName);
+ return EFI_SUCCESS;
+ case L'c':
+ case L'C':
+ SHELL_FREE_NON_NULL (FileName);
+ return EFI_SUCCESS;
+ } // switch
+ } // while
+ } // if opened existing file
+ } // if OldFile
+
+ //
+ // save file back to disk
+ //
+ Status = HBufferImageSave (
+ FileName,
+ HMainEditor.BufferImage->DiskImage->Name,
+ HMainEditor.BufferImage->DiskImage->Offset,
+ HMainEditor.BufferImage->DiskImage->Size,
+ HMainEditor.BufferImage->MemImage->Offset,
+ HMainEditor.BufferImage->MemImage->Size,
+ FileTypeFileBuffer
+ );
+ SHELL_FREE_NON_NULL (FileName);
+
+ if (EFI_ERROR (Status)) {
+ return EFI_LOAD_ERROR;
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Load a disk buffer editor.
+
+ @retval EFI_SUCCESS The operation was successful.
+ @retval EFI_OUT_OF_RESOURCES A memory allocation occurred.
+ @retval EFI_LOAD_ERROR A load error occurred.
+**/
+EFI_STATUS
+HMainCommandSelectStart (
+ VOID
+ )
+{
+ UINTN Start;
+
+ Start = (HMainEditor.BufferImage->BufferPosition.Row - 1) * 0x10 + HMainEditor.BufferImage->BufferPosition.Column;
+
+ //
+ // last line
+ //
+ if (HMainEditor.BufferImage->CurrentLine->Link.ForwardLink == HMainEditor.BufferImage->ListHead) {
+ if (HMainEditor.BufferImage->BufferPosition.Column > HMainEditor.BufferImage->CurrentLine->Size) {
+ StatusBarSetStatusString (L"Invalid Block Start");
+ return EFI_LOAD_ERROR;
+ }
+ }
+
+ if ((HMainEditor.SelectEnd != 0) && (Start > HMainEditor.SelectEnd)) {
+ StatusBarSetStatusString (L"Invalid Block Start");
+ return EFI_LOAD_ERROR;
+ }
+
+ HMainEditor.SelectStart = Start;
+
+ HBufferImageNeedRefresh = TRUE;
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Load a disk buffer editor.
+
+ @retval EFI_SUCCESS The operation was successful.
+ @retval EFI_OUT_OF_RESOURCES A memory allocation occurred.
+ @retval EFI_LOAD_ERROR A load error occurred.
+**/
+EFI_STATUS
+HMainCommandSelectEnd (
+ VOID
+ )
+{
+ UINTN End;
+
+ End = (HMainEditor.BufferImage->BufferPosition.Row - 1) * 0x10 + HMainEditor.BufferImage->BufferPosition.Column;
+
+ //
+ // last line
+ //
+ if (HMainEditor.BufferImage->CurrentLine->Link.ForwardLink == HMainEditor.BufferImage->ListHead) {
+ if (HMainEditor.BufferImage->BufferPosition.Column > HMainEditor.BufferImage->CurrentLine->Size) {
+ StatusBarSetStatusString (L"Invalid Block End");
+ return EFI_LOAD_ERROR;
+ }
+ }
+
+ if ((HMainEditor.SelectStart != 0) && (End < HMainEditor.SelectStart)) {
+ StatusBarSetStatusString (L"Invalid Block End");
+ return EFI_SUCCESS;
+ }
+
+ HMainEditor.SelectEnd = End;
+
+ HBufferImageNeedRefresh = TRUE;
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Cut current line to clipboard.
+
+ @retval EFI_SUCCESS The operation was successful.
+ @retval EFI_OUT_OF_RESOURCES A memory allocation occurred.
+ @retval EFI_LOAD_ERROR A load error occurred.
+**/
+EFI_STATUS
+HMainCommandCut (
+ VOID
+ )
+{
+ UINTN Index;
+ LIST_ENTRY *Link;
+ UINT8 *Buffer;
+ UINTN Count;
+
+ //
+ // not select, so not allowed to cut
+ //
+ if (HMainEditor.SelectStart == 0) {
+ StatusBarSetStatusString (L"No Block is Selected");
+ return EFI_SUCCESS;
+ }
+
+ //
+ // not select, so not allowed to cut
+ //
+ if (HMainEditor.SelectEnd == 0) {
+ StatusBarSetStatusString (L"No Block is Selected");
+ return EFI_SUCCESS;
+ }
+
+ Link = HMainEditor.BufferImage->ListHead->ForwardLink;
+ for (Index = 0; Index < (HMainEditor.SelectEnd - 1) / 0x10; Index++) {
+ Link = Link->ForwardLink;
+ }
+
+ Count = HMainEditor.SelectEnd - HMainEditor.SelectStart + 1;
+ Buffer = AllocateZeroPool (Count);
+ if (Buffer == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ //
+ // cut the selected area
+ //
+ HBufferImageDeleteCharacterFromBuffer (
+ HMainEditor.SelectStart - 1,
+ Count,
+ Buffer
+ );
+
+ //
+ // put to clipboard
+ //
+ HClipBoardSet (Buffer, Count);
+
+ HBufferImageNeedRefresh = TRUE;
+ HBufferImageOnlyLineNeedRefresh = FALSE;
+
+ if (!HMainEditor.BufferImage->Modified) {
+ HMainEditor.BufferImage->Modified = TRUE;
+ }
+
+ //
+ // now no select area
+ //
+ HMainEditor.SelectStart = 0;
+ HMainEditor.SelectEnd = 0;
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Paste line to file buffer.
+
+ @retval EFI_SUCCESS The operation was successful.
+ @retval EFI_OUT_OF_RESOURCES A memory allocation occurred.
+ @retval EFI_LOAD_ERROR A load error occurred.
+**/
+EFI_STATUS
+HMainCommandPaste (
+ VOID
+ )
+{
+ BOOLEAN OnlyLineRefresh;
+ HEFI_EDITOR_LINE *Line;
+ UINT8 *Buffer;
+ UINTN Count;
+ UINTN FPos;
+
+ Count = HClipBoardGet (&Buffer);
+ if ((Count == 0) || (Buffer == NULL)) {
+ StatusBarSetStatusString (L"Nothing to Paste");
+ return EFI_SUCCESS;
+ }
+
+ Line = HMainEditor.BufferImage->CurrentLine;
+
+ OnlyLineRefresh = FALSE;
+ if ((Line->Link.ForwardLink == HMainEditor.BufferImage->ListHead) && (Line->Size + Count < 0x10)) {
+ //
+ // is at last line, and after paste will not exceed
+ // so only this line need to be refreshed
+ //
+ // if after add, the line is 0x10, then will append a new line
+ // so the whole page will need be refreshed
+ //
+ OnlyLineRefresh = TRUE;
+ }
+
+ FPos = 0x10 * (HMainEditor.BufferImage->BufferPosition.Row - 1) + HMainEditor.BufferImage->BufferPosition.Column - 1;
+
+ HBufferImageAddCharacterToBuffer (FPos, Count, Buffer);
+
+ if (OnlyLineRefresh) {
+ HBufferImageNeedRefresh = FALSE;
+ HBufferImageOnlyLineNeedRefresh = TRUE;
+ } else {
+ HBufferImageNeedRefresh = TRUE;
+ HBufferImageOnlyLineNeedRefresh = FALSE;
+ }
+
+ if (!HMainEditor.BufferImage->Modified) {
+ HMainEditor.BufferImage->Modified = TRUE;
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Exit editor.
+
+ @retval EFI_SUCCESS The operation was successful.
+ @retval EFI_OUT_OF_RESOURCES A memory allocation occurred.
+ @retval EFI_LOAD_ERROR A load error occurred.
+**/
+EFI_STATUS
+HMainCommandExit (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+
+ //
+ // Below is the scenario of Exit command:
+ // 1. IF currently opened file is not modified, exit the editor and
+ // Exit command ends.
+ // IF currently opened file is modified, do Step 2
+ //
+ // 2. An Input Bar will be prompted:
+ // "File modified. Save ( Yes/No/Cancel )?"
+ // IF user press 'y' or 'Y', currently opened file will be saved and
+ // Editor exits
+ // IF user press 'n' or 'N', currently opened file will not be saved
+ // and Editor exits.
+ // IF user press 'c' or 'C' or ESC, Exit command ends.
+ //
+ //
+ // if file has been modified, so will prompt user
+ // whether to save the changes
+ //
+ if (HMainEditor.BufferImage->Modified) {
+ Status = InputBarSetPrompt (L"Buffer modified. Save (Yes/No/Cancel) ? ");
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = InputBarSetStringSize (1);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ while (1) {
+ Status = InputBarRefresh (HMainEditor.ScreenSize.Row, HMainEditor.ScreenSize.Column);
+
+ //
+ // ESC pressed
+ //
+ if (Status == EFI_NOT_READY) {
+ return EFI_SUCCESS;
+ }
+
+ switch (InputBarGetString ()[0]) {
+ case L'y':
+ case L'Y':
+ //
+ // write file back to disk
+ //
+ Status = HBufferImageSave (
+ HMainEditor.BufferImage->FileImage->FileName,
+ HMainEditor.BufferImage->DiskImage->Name,
+ HMainEditor.BufferImage->DiskImage->Offset,
+ HMainEditor.BufferImage->DiskImage->Size,
+ HMainEditor.BufferImage->MemImage->Offset,
+ HMainEditor.BufferImage->MemImage->Size,
+ HMainEditor.BufferImage->BufferType
+ );
+ if (!EFI_ERROR (Status)) {
+ HEditorExit = TRUE;
+ }
+
+ return Status;
+
+ case L'n':
+ case L'N':
+ HEditorExit = TRUE;
+ return EFI_SUCCESS;
+
+ case L'c':
+ case L'C':
+ return EFI_SUCCESS;
+ }
+ }
+ }
+
+ HEditorExit = TRUE;
+ return EFI_SUCCESS;
+}
+
+/**
+ Load a file from disk to editor.
+
+ @retval EFI_SUCCESS The operation was successful.
+ @retval EFI_OUT_OF_RESOURCES A memory allocation occurred.
+ @retval EFI_LOAD_ERROR A load error occurred.
+**/
+EFI_STATUS
+HMainCommandOpenFile (
+ VOID
+ )
+{
+ BOOLEAN Done;
+ EFI_STATUS Status;
+ EDIT_FILE_TYPE BufferType;
+
+ BufferType = HMainEditor.BufferImage->BufferType;
+
+ //
+ // This command will open a file from current working directory.
+ // Read-only file can also be opened. But it can not be modified.
+ // Below is the scenario of Open File command:
+ // 1. IF currently opened file has not been modified, directly go to step .
+ // IF currently opened file has been modified, an Input Bar will be
+ // prompted as :
+ // "File Modified. Save ( Yes/No/Cancel) ?"
+ // IF user press 'y' or 'Y', currently opened file will be saved.
+ // IF user press 'n' or 'N', currently opened file will
+ // not be saved.
+ // IF user press 'c' or 'C' or ESC, Open File command ends and
+ // currently opened file is still opened.
+ //
+ // 2. An Input Bar will be prompted as : "File Name to Open: "
+ // IF user press ESC, Open File command ends and
+ // currently opened file is still opened.
+ // Any other inputs with a Return will cause
+ // currently opened file close.
+ //
+ // 3. IF user input file name is an existing file ,
+ // this file will be read and opened.
+ // IF user input file name is a new file, this file will be created
+ // and opened. This file's type ( UNICODE or ASCII ) is the same with
+ // the old file.
+ //
+ //
+ // if current file is modified, so you need to choose whether to
+ // save it first.
+ //
+ if (HMainEditor.BufferImage->Modified) {
+ Status = InputBarSetPrompt (L"Buffer modified. Save (Yes/No/Cancel) ? ");
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // the answer is just one character
+ //
+ Status = InputBarSetStringSize (1);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // loop for user's answer
+ // valid answer is just 'y' 'Y', 'n' 'N', 'c' 'C'
+ //
+ Done = FALSE;
+ while (!Done) {
+ Status = InputBarRefresh (HMainEditor.ScreenSize.Row, HMainEditor.ScreenSize.Column);
+
+ //
+ // ESC pressed
+ //
+ if (Status == EFI_NOT_READY) {
+ return EFI_SUCCESS;
+ }
+
+ switch (InputBarGetString ()[0]) {
+ case L'y':
+ case L'Y':
+ //
+ // want to save this buffer first
+ //
+ Status = HBufferImageSave (
+ HMainEditor.BufferImage->FileImage->FileName,
+ HMainEditor.BufferImage->DiskImage->Name,
+ HMainEditor.BufferImage->DiskImage->Offset,
+ HMainEditor.BufferImage->DiskImage->Size,
+ HMainEditor.BufferImage->MemImage->Offset,
+ HMainEditor.BufferImage->MemImage->Size,
+ HMainEditor.BufferImage->BufferType
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ MainTitleBarRefresh (
+ HMainEditor.BufferImage->BufferType == FileTypeFileBuffer ? HMainEditor.BufferImage->FileImage->FileName : HMainEditor.BufferImage->BufferType == FileTypeDiskBuffer ? HMainEditor.BufferImage->DiskImage->Name : NULL,
+ HMainEditor.BufferImage->BufferType,
+ HMainEditor.BufferImage->FileImage->ReadOnly,
+ FALSE,
+ HMainEditor.ScreenSize.Column,
+ HMainEditor.ScreenSize.Row,
+ HMainEditor.BufferImage->BufferType == FileTypeDiskBuffer ? HMainEditor.BufferImage->DiskImage->Offset : HMainEditor.BufferImage->BufferType == FileTypeMemBuffer ? HMainEditor.BufferImage->MemImage->Offset : 0,
+ HMainEditor.BufferImage->BufferType == FileTypeDiskBuffer ? HMainEditor.BufferImage->DiskImage->Size : HMainEditor.BufferImage->BufferType == FileTypeMemBuffer ? HMainEditor.BufferImage->MemImage->Size : 0
+ );
+ Done = TRUE;
+ break;
+
+ case L'n':
+ case L'N':
+ //
+ // the file won't be saved
+ //
+ Done = TRUE;
+ break;
+
+ case L'c':
+ case L'C':
+ return EFI_SUCCESS;
+ }
+ }
+ }
+
+ //
+ // TO get the open file name
+ //
+ Status = InputBarSetPrompt (L"File Name to Open: ");
+ if (EFI_ERROR (Status)) {
+ HBufferImageRead (
+ HMainEditor.BufferImage->FileImage->FileName,
+ HMainEditor.BufferImage->DiskImage->Name,
+ HMainEditor.BufferImage->DiskImage->Offset,
+ HMainEditor.BufferImage->DiskImage->Size,
+ HMainEditor.BufferImage->MemImage->Offset,
+ HMainEditor.BufferImage->MemImage->Size,
+ BufferType,
+ TRUE
+ );
+ return Status;
+ }
+
+ Status = InputBarSetStringSize (100);
+ if (EFI_ERROR (Status)) {
+ Status = HBufferImageRead (
+ HMainEditor.BufferImage->FileImage->FileName,
+ HMainEditor.BufferImage->DiskImage->Name,
+ HMainEditor.BufferImage->DiskImage->Offset,
+ HMainEditor.BufferImage->DiskImage->Size,
+ HMainEditor.BufferImage->MemImage->Offset,
+ HMainEditor.BufferImage->MemImage->Size,
+ BufferType,
+ TRUE
+ );
+ return Status;
+ }
+
+ while (1) {
+ Status = InputBarRefresh (HMainEditor.ScreenSize.Row, HMainEditor.ScreenSize.Column);
+
+ //
+ // ESC pressed
+ //
+ if (Status == EFI_NOT_READY) {
+ Status = HBufferImageRead (
+ HMainEditor.BufferImage->FileImage->FileName,
+ HMainEditor.BufferImage->DiskImage->Name,
+ HMainEditor.BufferImage->DiskImage->Offset,
+ HMainEditor.BufferImage->DiskImage->Size,
+ HMainEditor.BufferImage->MemImage->Offset,
+ HMainEditor.BufferImage->MemImage->Size,
+ BufferType,
+ TRUE
+ );
+
+ return Status;
+ }
+
+ //
+ // THE input string length should > 0
+ //
+ if (StrLen (InputBarGetString ()) > 0) {
+ //
+ // CHECK if filename's valid
+ //
+ if (!IsValidFileName (InputBarGetString ())) {
+ HBufferImageRead (
+ HMainEditor.BufferImage->FileImage->FileName,
+ HMainEditor.BufferImage->DiskImage->Name,
+ HMainEditor.BufferImage->DiskImage->Offset,
+ HMainEditor.BufferImage->DiskImage->Size,
+ HMainEditor.BufferImage->MemImage->Offset,
+ HMainEditor.BufferImage->MemImage->Size,
+ BufferType,
+ TRUE
+ );
+
+ StatusBarSetStatusString (L"Invalid File Name");
+ return EFI_SUCCESS;
+ }
+
+ break;
+ }
+ }
+
+ //
+ // read from disk
+ //
+ Status = HBufferImageRead (
+ InputBarGetString (),
+ HMainEditor.BufferImage->DiskImage->Name,
+ HMainEditor.BufferImage->DiskImage->Offset,
+ HMainEditor.BufferImage->DiskImage->Size,
+ HMainEditor.BufferImage->MemImage->Offset,
+ HMainEditor.BufferImage->MemImage->Size,
+ FileTypeFileBuffer,
+ FALSE
+ );
+
+ if (EFI_ERROR (Status)) {
+ HBufferImageRead (
+ HMainEditor.BufferImage->FileImage->FileName,
+ HMainEditor.BufferImage->DiskImage->Name,
+ HMainEditor.BufferImage->DiskImage->Offset,
+ HMainEditor.BufferImage->DiskImage->Size,
+ HMainEditor.BufferImage->MemImage->Offset,
+ HMainEditor.BufferImage->MemImage->Size,
+ BufferType,
+ TRUE
+ );
+
+ return EFI_LOAD_ERROR;
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Load a disk buffer editor.
+
+ @retval EFI_SUCCESS The operation was successful.
+ @retval EFI_OUT_OF_RESOURCES A memory allocation occurred.
+ @retval EFI_LOAD_ERROR A load error occurred.
+ @retval EFI_NOT_FOUND The disk was not found.
+**/
+EFI_STATUS
+HMainCommandOpenDisk (
+ VOID
+ )
+{
+ UINT64 Size;
+ UINT64 Offset;
+ CHAR16 *DeviceName;
+ EFI_STATUS Status;
+ BOOLEAN Done;
+
+ EDIT_FILE_TYPE BufferType;
+
+ //
+ // variable initialization
+ //
+ Size = 0;
+ Offset = 0;
+ BufferType = HMainEditor.BufferImage->BufferType;
+
+ //
+ // if current file is modified, so you need to choose
+ // whether to save it first.
+ //
+ if (HMainEditor.BufferImage->Modified) {
+ Status = InputBarSetPrompt (L"Buffer modified. Save (Yes/No/Cancel) ? ");
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // the answer is just one character
+ //
+ Status = InputBarSetStringSize (1);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // loop for user's answer
+ // valid answer is just 'y' 'Y', 'n' 'N', 'c' 'C'
+ //
+ Done = FALSE;
+ while (!Done) {
+ Status = InputBarRefresh (HMainEditor.ScreenSize.Row, HMainEditor.ScreenSize.Column);
+
+ //
+ // ESC pressed
+ //
+ if (Status == EFI_NOT_READY) {
+ return EFI_SUCCESS;
+ }
+
+ switch (InputBarGetString ()[0]) {
+ case L'y':
+ case L'Y':
+ //
+ // want to save this buffer first
+ //
+ Status = HBufferImageSave (
+ HMainEditor.BufferImage->FileImage->FileName,
+ HMainEditor.BufferImage->DiskImage->Name,
+ HMainEditor.BufferImage->DiskImage->Offset,
+ HMainEditor.BufferImage->DiskImage->Size,
+ HMainEditor.BufferImage->MemImage->Offset,
+ HMainEditor.BufferImage->MemImage->Size,
+ BufferType
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ MainTitleBarRefresh (
+ HMainEditor.BufferImage->BufferType == FileTypeFileBuffer ? HMainEditor.BufferImage->FileImage->FileName : HMainEditor.BufferImage->BufferType == FileTypeDiskBuffer ? HMainEditor.BufferImage->DiskImage->Name : NULL,
+ HMainEditor.BufferImage->BufferType,
+ HMainEditor.BufferImage->FileImage->ReadOnly,
+ FALSE,
+ HMainEditor.ScreenSize.Column,
+ HMainEditor.ScreenSize.Row,
+ HMainEditor.BufferImage->BufferType == FileTypeDiskBuffer ? HMainEditor.BufferImage->DiskImage->Offset : HMainEditor.BufferImage->BufferType == FileTypeMemBuffer ? HMainEditor.BufferImage->MemImage->Offset : 0,
+ HMainEditor.BufferImage->BufferType == FileTypeDiskBuffer ? HMainEditor.BufferImage->DiskImage->Size : HMainEditor.BufferImage->BufferType == FileTypeMemBuffer ? HMainEditor.BufferImage->MemImage->Size : 0
+ );
+ Done = TRUE;
+ break;
+
+ case L'n':
+ case L'N':
+ //
+ // the file won't be saved
+ //
+ Done = TRUE;
+ break;
+
+ case L'c':
+ case L'C':
+ return EFI_SUCCESS;
+ }
+ }
+ }
+
+ //
+ // get disk block device name
+ //
+ Status = InputBarSetPrompt (L"Block Device to Open: ");
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = InputBarSetStringSize (100);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ while (1) {
+ Status = InputBarRefresh (HMainEditor.ScreenSize.Row, HMainEditor.ScreenSize.Column);
+
+ //
+ // ESC pressed
+ //
+ if (Status == EFI_NOT_READY) {
+ return EFI_SUCCESS;
+ }
+
+ //
+ // THE input string length should > 0
+ //
+ if (StrLen (InputBarGetString ()) > 0) {
+ break;
+ }
+ }
+
+ DeviceName = CatSPrint (NULL, L"%s", InputBarGetString ());
+ if (DeviceName == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ //
+ // get starting offset
+ //
+ Status = InputBarSetPrompt (L"First Block No.: ");
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = InputBarSetStringSize (16);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ while (1) {
+ Status = InputBarRefresh (HMainEditor.ScreenSize.Row, HMainEditor.ScreenSize.Column);
+
+ //
+ // ESC pressed
+ //
+ if (Status == EFI_NOT_READY) {
+ return EFI_SUCCESS;
+ }
+
+ //
+ // THE input string length should > 0
+ //
+ if (StrLen (InputBarGetString ()) > 0) {
+ Status = ShellConvertStringToUint64 (InputBarGetString (), &Offset, TRUE, FALSE);
+ if (EFI_ERROR (Status)) {
+ continue;
+ }
+
+ break;
+ }
+ }
+
+ //
+ // get Number of Blocks:
+ //
+ Status = InputBarSetPrompt (L"Number of Blocks: ");
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = InputBarSetStringSize (8);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ while (1) {
+ Status = InputBarRefresh (HMainEditor.ScreenSize.Row, HMainEditor.ScreenSize.Column);
+
+ //
+ // ESC pressed
+ //
+ if (Status == EFI_NOT_READY) {
+ return EFI_SUCCESS;
+ }
+
+ //
+ // THE input string length should > 0
+ //
+ if (StrLen (InputBarGetString ()) > 0) {
+ Status = ShellConvertStringToUint64 (InputBarGetString (), &Size, TRUE, FALSE);
+ if (EFI_ERROR (Status)) {
+ continue;
+ }
+
+ if (Size == 0) {
+ continue;
+ }
+
+ break;
+ }
+ }
+
+ Status = HBufferImageRead (
+ NULL,
+ DeviceName,
+ (UINTN)Offset,
+ (UINTN)Size,
+ 0,
+ 0,
+ FileTypeDiskBuffer,
+ FALSE
+ );
+
+ if (EFI_ERROR (Status)) {
+ HBufferImageRead (
+ HMainEditor.BufferImage->FileImage->FileName,
+ HMainEditor.BufferImage->DiskImage->Name,
+ HMainEditor.BufferImage->DiskImage->Offset,
+ HMainEditor.BufferImage->DiskImage->Size,
+ HMainEditor.BufferImage->MemImage->Offset,
+ HMainEditor.BufferImage->MemImage->Size,
+ BufferType,
+ TRUE
+ );
+ return EFI_NOT_FOUND;
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Load memory content to editor
+
+ @retval EFI_SUCCESS The operation was successful.
+ @retval EFI_OUT_OF_RESOURCES A memory allocation occurred.
+ @retval EFI_LOAD_ERROR A load error occurred.
+ @retval EFI_NOT_FOUND The disk was not found.
+**/
+EFI_STATUS
+HMainCommandOpenMemory (
+ VOID
+ )
+{
+ UINT64 Size;
+ UINT64 Offset;
+ EFI_STATUS Status;
+ BOOLEAN Done;
+ EDIT_FILE_TYPE BufferType;
+
+ //
+ // variable initialization
+ //
+ Size = 0;
+ Offset = 0;
+ BufferType = HMainEditor.BufferImage->BufferType;
+
+ //
+ // if current buffer is modified, so you need to choose
+ // whether to save it first.
+ //
+ if (HMainEditor.BufferImage->Modified) {
+ Status = InputBarSetPrompt (L"Buffer modified. Save (Yes/No/Cancel) ? ");
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // the answer is just one character
+ //
+ Status = InputBarSetStringSize (1);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // loop for user's answer
+ // valid answer is just 'y' 'Y', 'n' 'N', 'c' 'C'
+ //
+ Done = FALSE;
+ while (!Done) {
+ Status = InputBarRefresh (HMainEditor.ScreenSize.Row, HMainEditor.ScreenSize.Column);
+
+ //
+ // ESC pressed
+ //
+ if (Status == EFI_NOT_READY) {
+ return EFI_SUCCESS;
+ }
+
+ switch (InputBarGetString ()[0]) {
+ case L'y':
+ case L'Y':
+ //
+ // want to save this buffer first
+ //
+ Status = HBufferImageSave (
+ HMainEditor.BufferImage->FileImage->FileName,
+ HMainEditor.BufferImage->DiskImage->Name,
+ HMainEditor.BufferImage->DiskImage->Offset,
+ HMainEditor.BufferImage->DiskImage->Size,
+ HMainEditor.BufferImage->MemImage->Offset,
+ HMainEditor.BufferImage->MemImage->Size,
+ BufferType
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ MainTitleBarRefresh (
+ HMainEditor.BufferImage->BufferType == FileTypeFileBuffer ? HMainEditor.BufferImage->FileImage->FileName : HMainEditor.BufferImage->BufferType == FileTypeDiskBuffer ? HMainEditor.BufferImage->DiskImage->Name : NULL,
+ HMainEditor.BufferImage->BufferType,
+ HMainEditor.BufferImage->FileImage->ReadOnly,
+ FALSE,
+ HMainEditor.ScreenSize.Column,
+ HMainEditor.ScreenSize.Row,
+ HMainEditor.BufferImage->BufferType == FileTypeDiskBuffer ? HMainEditor.BufferImage->DiskImage->Offset : HMainEditor.BufferImage->BufferType == FileTypeMemBuffer ? HMainEditor.BufferImage->MemImage->Offset : 0,
+ HMainEditor.BufferImage->BufferType == FileTypeDiskBuffer ? HMainEditor.BufferImage->DiskImage->Size : HMainEditor.BufferImage->BufferType == FileTypeMemBuffer ? HMainEditor.BufferImage->MemImage->Size : 0
+ );
+ Done = TRUE;
+ break;
+
+ case L'n':
+ case L'N':
+ //
+ // the file won't be saved
+ //
+ Done = TRUE;
+ break;
+
+ case L'c':
+ case L'C':
+ return EFI_SUCCESS;
+ }
+ }
+ }
+
+ //
+ // get starting offset
+ //
+ Status = InputBarSetPrompt (L"Starting Offset: ");
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = InputBarSetStringSize (8);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ while (1) {
+ Status = InputBarRefresh (HMainEditor.ScreenSize.Row, HMainEditor.ScreenSize.Column);
+
+ //
+ // ESC pressed
+ //
+ if (Status == EFI_NOT_READY) {
+ return EFI_SUCCESS;
+ }
+
+ //
+ // THE input string length should > 0
+ //
+ if (StrLen (InputBarGetString ()) > 0) {
+ Status = ShellConvertStringToUint64 (InputBarGetString (), &Offset, TRUE, FALSE);
+ if (EFI_ERROR (Status)) {
+ continue;
+ }
+
+ break;
+ }
+ }
+
+ //
+ // get Number of Blocks:
+ //
+ Status = InputBarSetPrompt (L"Buffer Size: ");
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = InputBarSetStringSize (8);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ while (1) {
+ Status = InputBarRefresh (HMainEditor.ScreenSize.Row, HMainEditor.ScreenSize.Column);
+
+ //
+ // ESC pressed
+ //
+ if (Status == EFI_NOT_READY) {
+ return EFI_SUCCESS;
+ }
+
+ //
+ // THE input string length should > 0
+ //
+ if (StrLen (InputBarGetString ()) > 0) {
+ Status = ShellConvertStringToUint64 (InputBarGetString (), &Size, TRUE, FALSE);
+ if (EFI_ERROR (Status)) {
+ continue;
+ }
+
+ if (Size == 0) {
+ continue;
+ }
+
+ break;
+ }
+ }
+
+ if ((Offset + Size - 1) > 0xffffffff) {
+ StatusBarSetStatusString (L"Invalid parameter");
+ return EFI_LOAD_ERROR;
+ }
+
+ Status = HBufferImageRead (
+ NULL,
+ NULL,
+ 0,
+ 0,
+ (UINTN)Offset,
+ (UINTN)Size,
+ FileTypeMemBuffer,
+ FALSE
+ );
+
+ if (EFI_ERROR (Status)) {
+ StatusBarSetStatusString (L"Read Device Error!");
+ HBufferImageRead (
+ HMainEditor.BufferImage->FileImage->FileName,
+ HMainEditor.BufferImage->DiskImage->Name,
+ HMainEditor.BufferImage->DiskImage->Offset,
+ HMainEditor.BufferImage->DiskImage->Size,
+ HMainEditor.BufferImage->MemImage->Offset,
+ HMainEditor.BufferImage->MemImage->Size,
+ BufferType,
+ TRUE
+ );
+ return EFI_NOT_FOUND;
+ }
+
+ return EFI_SUCCESS;
+}
+
+MENU_ITEM_FUNCTION HexMainControlBasedMenuFunctions[] = {
+ NULL,
+ NULL, /* Ctrl - A */
+ NULL, /* Ctrl - B */
+ NULL, /* Ctrl - C */
+ HMainCommandSelectEnd, /* Ctrl - D */
+ HMainCommandDisplayHelp, /* Ctrl - E */
+ NULL, /* Ctrl - F */
+ HMainCommandGoToOffset, /* Ctrl - G */
+ NULL, /* Ctrl - H */
+ HMainCommandOpenDisk, /* Ctrl - I */
+ NULL, /* Ctrl - J */
+ NULL, /* Ctrl - K */
+ NULL, /* Ctrl - L */
+ HMainCommandOpenMemory, /* Ctrl - M */
+ NULL, /* Ctrl - N */
+ HMainCommandOpenFile, /* Ctrl - O */
+ NULL, /* Ctrl - P */
+ HMainCommandExit, /* Ctrl - Q */
+ NULL, /* Ctrl - R */
+ HMainCommandSaveBuffer, /* Ctrl - S */
+ HMainCommandSelectStart, /* Ctrl - T */
+ NULL, /* Ctrl - U */
+ HMainCommandPaste, /* Ctrl - V */
+ NULL, /* Ctrl - W */
+ HMainCommandCut, /* Ctrl - X */
+ NULL, /* Ctrl - Y */
+ NULL, /* Ctrl - Z */
+};
+
+CONST EDITOR_MENU_ITEM HexEditorMenuItems[] = {
+ {
+ STRING_TOKEN (STR_HEXEDIT_LIBMENUBAR_GO_TO_OFFSET),
+ STRING_TOKEN (STR_EDIT_LIBMENUBAR_F1),
+ HMainCommandGoToOffset
+ },
+ {
+ STRING_TOKEN (STR_HEXEDIT_LIBMENUBAR_SAVE_BUFFER),
+ STRING_TOKEN (STR_EDIT_LIBMENUBAR_F2),
+ HMainCommandSaveBuffer
+ },
+ {
+ STRING_TOKEN (STR_EDIT_LIBMENUBAR_EXIT),
+ STRING_TOKEN (STR_EDIT_LIBMENUBAR_F3),
+ HMainCommandExit
+ },
+
+ {
+ STRING_TOKEN (STR_HEXEDIT_LIBMENUBAR_SELECT_START),
+ STRING_TOKEN (STR_EDIT_LIBMENUBAR_F4),
+ HMainCommandSelectStart
+ },
+ {
+ STRING_TOKEN (STR_HEXEDIT_LIBMENUBAR_SELECT_END),
+ STRING_TOKEN (STR_EDIT_LIBMENUBAR_F5),
+ HMainCommandSelectEnd
+ },
+ {
+ STRING_TOKEN (STR_HEXEDIT_LIBMENUBAR_CUT),
+ STRING_TOKEN (STR_EDIT_LIBMENUBAR_F6),
+ HMainCommandCut
+ },
+ {
+ STRING_TOKEN (STR_HEXEDIT_LIBMENUBAR_PASTE),
+ STRING_TOKEN (STR_EDIT_LIBMENUBAR_F7),
+ HMainCommandPaste
+ },
+
+ {
+ STRING_TOKEN (STR_HEXEDIT_LIBMENUBAR_OPEN_FILE),
+ STRING_TOKEN (STR_EDIT_LIBMENUBAR_F8),
+ HMainCommandOpenFile
+ },
+ {
+ STRING_TOKEN (STR_HEXEDIT_LIBMENUBAR_OPEN_DISK),
+ STRING_TOKEN (STR_EDIT_LIBMENUBAR_F9),
+ HMainCommandOpenDisk
+ },
+ {
+ STRING_TOKEN (STR_HEXEDIT_LIBMENUBAR_OPEN_MEMORY),
+ STRING_TOKEN (STR_EDIT_LIBMENUBAR_F10),
+ HMainCommandOpenMemory
+ },
+
+ {
+ 0,
+ 0,
+ NULL
+ }
+};
+
+/**
+ Init function for MainEditor
+
+ @retval EFI_SUCCESS The operation was successful.
+ @retval EFI_LOAD_ERROR A load error occurred.
+**/
+EFI_STATUS
+HMainEditorInit (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+ EFI_HANDLE *HandleBuffer;
+ UINTN HandleCount;
+ UINTN Index;
+
+ //
+ // basic initialization
+ //
+ CopyMem (&HMainEditor, &HMainEditorConst, sizeof (HMainEditor));
+
+ //
+ // set screen attributes
+ //
+ HMainEditor.ColorAttributes.Colors.Foreground = gST->ConOut->Mode->Attribute & 0x000000ff;
+
+ HMainEditor.ColorAttributes.Colors.Background = (UINT8)(gST->ConOut->Mode->Attribute >> 4);
+
+ HOriginalColors = HMainEditor.ColorAttributes.Colors;
+
+ HOriginalMode = gST->ConOut->Mode->Mode;
+
+ //
+ // query screen size
+ //
+ gST->ConOut->QueryMode (
+ gST->ConOut,
+ gST->ConOut->Mode->Mode,
+ &(HMainEditor.ScreenSize.Column),
+ &(HMainEditor.ScreenSize.Row)
+ );
+
+ //
+ // Find TextInEx in System Table ConsoleInHandle
+ // Per UEFI Spec, TextInEx is required for a console capable platform.
+ //
+ Status = gBS->HandleProtocol (
+ gST->ConsoleInHandle,
+ &gEfiSimpleTextInputExProtocolGuid,
+ (VOID **)&HMainEditor.TextInputEx
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Find mouse in System Table ConsoleInHandle
+ //
+ Status = gBS->HandleProtocol (
+ gST->ConsoleInHandle,
+ &gEfiSimplePointerProtocolGuid,
+ (VOID **)&HMainEditor.MouseInterface
+ );
+ if (EFI_ERROR (Status)) {
+ //
+ // If there is no Simple Pointer Protocol on System Table
+ //
+ HandleBuffer = NULL;
+ HMainEditor.MouseInterface = NULL;
+ Status = gBS->LocateHandleBuffer (
+ ByProtocol,
+ &gEfiSimplePointerProtocolGuid,
+ NULL,
+ &HandleCount,
+ &HandleBuffer
+ );
+ if (!EFI_ERROR (Status) && (HandleCount > 0)) {
+ //
+ // Try to find the first available mouse device
+ //
+ for (Index = 0; Index < HandleCount; Index++) {
+ Status = gBS->HandleProtocol (
+ HandleBuffer[Index],
+ &gEfiSimplePointerProtocolGuid,
+ (VOID **)&HMainEditor.MouseInterface
+ );
+ if (!EFI_ERROR (Status)) {
+ break;
+ }
+ }
+ }
+
+ if (HandleBuffer != NULL) {
+ FreePool (HandleBuffer);
+ }
+ }
+
+ if (!EFI_ERROR (Status) && (HMainEditor.MouseInterface != NULL)) {
+ HMainEditor.MouseAccumulatorX = 0;
+ HMainEditor.MouseAccumulatorY = 0;
+ HMainEditor.MouseSupported = TRUE;
+ }
+
+ //
+ // below will call the five components' init function
+ //
+ Status = MainTitleBarInit (L"UEFI HEXEDIT");
+ if (EFI_ERROR (Status)) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_HEXEDIT_LIBEDITOR_MAINEDITOR_TITLE), gShellDebug1HiiHandle);
+ return EFI_LOAD_ERROR;
+ }
+
+ Status = ControlHotKeyInit (HexMainControlBasedMenuFunctions);
+ if (EFI_ERROR (Status)) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_HEXEDIT_LIBEDITOR_MAINEDITOR_MAINMENU), gShellDebug1HiiHandle);
+ return EFI_LOAD_ERROR;
+ }
+
+ Status = MenuBarInit (HexEditorMenuItems);
+ if (EFI_ERROR (Status)) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_HEXEDIT_LIBEDITOR_MAINEDITOR_MAINMENU), gShellDebug1HiiHandle);
+ return EFI_LOAD_ERROR;
+ }
+
+ Status = StatusBarInit ();
+ if (EFI_ERROR (Status)) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_HEXEDIT_LIBEDITOR_MAINEDITOR_STATUS), gShellDebug1HiiHandle);
+ return EFI_LOAD_ERROR;
+ }
+
+ InputBarInit (HMainEditor.TextInputEx);
+
+ Status = HBufferImageInit ();
+ if (EFI_ERROR (Status)) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_HEXEDIT_LIBEDITOR_MAINEDITOR_BUFFERIMAGE), gShellDebug1HiiHandle);
+ return EFI_LOAD_ERROR;
+ }
+
+ Status = HClipBoardInit ();
+ if (EFI_ERROR (Status)) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_HEXEDIT_LIBEDITOR_MAINEDITOR_CLIPBOARD), gShellDebug1HiiHandle);
+ return EFI_LOAD_ERROR;
+ }
+
+ //
+ // clear whole screen and enable cursor
+ //
+ gST->ConOut->ClearScreen (gST->ConOut);
+ gST->ConOut->EnableCursor (gST->ConOut, TRUE);
+
+ //
+ // initialize EditorFirst and EditorExit
+ //
+ HEditorFirst = TRUE;
+ HEditorExit = FALSE;
+ HEditorMouseAction = FALSE;
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Cleanup function for MainEditor.
+
+ @retval EFI_SUCCESS The operation was successful.
+ @retval EFI_LOAD_ERROR A load error occurred.
+**/
+EFI_STATUS
+HMainEditorCleanup (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+
+ //
+ // call the five components' cleanup function
+ //
+ MainTitleBarCleanup ();
+
+ MenuBarCleanup ();
+
+ StatusBarCleanup ();
+
+ InputBarCleanup ();
+
+ Status = HBufferImageCleanup ();
+ if (EFI_ERROR (Status)) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_HEXEDIT_LIBEDITOR_BUFFERIMAGE_CLEAN), gShellDebug1HiiHandle);
+ }
+
+ Status = HClipBoardCleanup ();
+ if (EFI_ERROR (Status)) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_HEXEDIT_LIBEDITOR_CLIPBOARD_CLEAN), gShellDebug1HiiHandle);
+ }
+
+ //
+ // restore old mode
+ //
+ if (HOriginalMode != gST->ConOut->Mode->Mode) {
+ gST->ConOut->SetMode (gST->ConOut, HOriginalMode);
+ }
+
+ gST->ConOut->SetAttribute (
+ gST->ConOut,
+ EFI_TEXT_ATTR (HOriginalColors.Foreground, HOriginalColors.Background)
+ );
+ gST->ConOut->ClearScreen (gST->ConOut);
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Refresh function for MainEditor.
+
+ @retval EFI_SUCCESS The operation was successful.
+**/
+EFI_STATUS
+HMainEditorRefresh (
+ VOID
+ )
+{
+ BOOLEAN NameChange;
+ BOOLEAN ReadChange;
+
+ NameChange = FALSE;
+ ReadChange = FALSE;
+
+ if (HMainEditor.BufferImage->BufferType == FileTypeDiskBuffer) {
+ if ((HMainEditor.BufferImage->DiskImage != NULL) &&
+ (HBufferImageBackupVar.DiskImage != NULL) &&
+ ((HMainEditor.BufferImage->DiskImage->Offset != HBufferImageBackupVar.DiskImage->Offset) ||
+ (HMainEditor.BufferImage->DiskImage->Size != HBufferImageBackupVar.DiskImage->Size)))
+ {
+ NameChange = TRUE;
+ }
+ } else if (HMainEditor.BufferImage->BufferType == FileTypeMemBuffer) {
+ if ((HMainEditor.BufferImage->MemImage != NULL) &&
+ (HBufferImageBackupVar.MemImage != NULL) &&
+ ((HMainEditor.BufferImage->MemImage->Offset != HBufferImageBackupVar.MemImage->Offset) ||
+ (HMainEditor.BufferImage->MemImage->Size != HBufferImageBackupVar.MemImage->Size)))
+ {
+ NameChange = TRUE;
+ }
+ } else if (HMainEditor.BufferImage->BufferType == FileTypeFileBuffer) {
+ if ((HMainEditor.BufferImage->FileImage != NULL) &&
+ (HMainEditor.BufferImage->FileImage->FileName != NULL) &&
+ (HBufferImageBackupVar.FileImage != NULL) &&
+ (HBufferImageBackupVar.FileImage->FileName != NULL) &&
+ (StrCmp (HMainEditor.BufferImage->FileImage->FileName, HBufferImageBackupVar.FileImage->FileName) != 0))
+ {
+ NameChange = TRUE;
+ }
+ }
+
+ if ((HMainEditor.BufferImage->FileImage != NULL) &&
+ (HBufferImageBackupVar.FileImage != NULL) &&
+ (HMainEditor.BufferImage->FileImage->ReadOnly != HBufferImageBackupVar.FileImage->ReadOnly))
+ {
+ ReadChange = TRUE;
+ }
+
+ //
+ // to aVOID screen flicker
+ // the stall value is from experience
+ //
+ gBS->Stall (50);
+
+ //
+ // call the components refresh function
+ //
+ if ( HEditorFirst
+ || NameChange
+ || (HMainEditor.BufferImage->BufferType != HBufferImageBackupVar.BufferType)
+ || (HBufferImageBackupVar.Modified != HMainEditor.BufferImage->Modified)
+ || ReadChange )
+ {
+ MainTitleBarRefresh (
+ HMainEditor.BufferImage->BufferType == FileTypeFileBuffer && HMainEditor.BufferImage->FileImage != NULL ? HMainEditor.BufferImage->FileImage->FileName : HMainEditor.BufferImage->BufferType == FileTypeDiskBuffer && HMainEditor.BufferImage->DiskImage != NULL ? HMainEditor.BufferImage->DiskImage->Name : NULL,
+ HMainEditor.BufferImage->BufferType,
+ (BOOLEAN)(HMainEditor.BufferImage->FileImage != NULL ? HMainEditor.BufferImage->FileImage->ReadOnly : FALSE),
+ HMainEditor.BufferImage->Modified,
+ HMainEditor.ScreenSize.Column,
+ HMainEditor.ScreenSize.Row,
+ HMainEditor.BufferImage->BufferType == FileTypeDiskBuffer && HMainEditor.BufferImage->DiskImage != NULL ? HMainEditor.BufferImage->DiskImage->Offset : HMainEditor.BufferImage->BufferType == FileTypeMemBuffer && HMainEditor.BufferImage->MemImage != NULL ? HMainEditor.BufferImage->MemImage->Offset : 0,
+ HMainEditor.BufferImage->BufferType == FileTypeDiskBuffer && HMainEditor.BufferImage->DiskImage != NULL ? HMainEditor.BufferImage->DiskImage->Size : HMainEditor.BufferImage->BufferType == FileTypeMemBuffer && HMainEditor.BufferImage->MemImage != NULL ? HMainEditor.BufferImage->MemImage->Size : 0
+ );
+ HBufferImageRefresh ();
+ }
+
+ if ( HEditorFirst
+ || (HBufferImageBackupVar.DisplayPosition.Row != HMainEditor.BufferImage->DisplayPosition.Row)
+ || (HBufferImageBackupVar.DisplayPosition.Column != HMainEditor.BufferImage->DisplayPosition.Column)
+ || StatusBarGetRefresh ())
+ {
+ StatusBarRefresh (
+ HEditorFirst,
+ HMainEditor.ScreenSize.Row,
+ HMainEditor.ScreenSize.Column,
+ (UINTN)(-1),
+ (UINTN)(-1),
+ FALSE
+ );
+ HBufferImageRefresh ();
+ }
+
+ if (HEditorFirst) {
+ HBufferImageRefresh ();
+ }
+
+ //
+ // EditorFirst is now set to FALSE
+ //
+ HEditorFirst = FALSE;
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Handle the mouse input.
+
+ @param[in] MouseState The current mouse state.
+ @param[out] BeforeLeftButtonDown helps with selections.
+
+ @retval EFI_SUCCESS The operation was successful.
+ @retval EFI_OUT_OF_RESOURCES A memory allocation occurred.
+ @retval EFI_LOAD_ERROR A load error occurred.
+ @retval EFI_NOT_FOUND The disk was not found.
+**/
+EFI_STATUS
+HMainEditorHandleMouseInput (
+ IN EFI_SIMPLE_POINTER_STATE MouseState,
+ OUT BOOLEAN *BeforeLeftButtonDown
+ )
+{
+ INT32 TextX;
+ INT32 TextY;
+ UINTN FRow;
+ UINTN FCol;
+ BOOLEAN HighBits;
+ LIST_ENTRY *Link;
+ HEFI_EDITOR_LINE *Line;
+ UINTN Index;
+ BOOLEAN Action;
+
+ Action = FALSE;
+
+ //
+ // have mouse movement
+ //
+ if (MouseState.RelativeMovementX || MouseState.RelativeMovementY) {
+ //
+ // handle
+ //
+ TextX = HGetTextX (MouseState.RelativeMovementX);
+ TextY = HGetTextY (MouseState.RelativeMovementY);
+
+ HBufferImageAdjustMousePosition (TextX, TextY);
+
+ Action = TRUE;
+ }
+
+ if (MouseState.LeftButton) {
+ HighBits = HBufferImageIsAtHighBits (
+ HMainEditor.BufferImage->MousePosition.Column,
+ &FCol
+ );
+
+ //
+ // not at an movable place
+ //
+ if (FCol == 0) {
+ //
+ // now just move mouse pointer to legal position
+ //
+ //
+ // move mouse position to legal position
+ //
+ HMainEditor.BufferImage->MousePosition.Column -= 10;
+ if (HMainEditor.BufferImage->MousePosition.Column > 24) {
+ HMainEditor.BufferImage->MousePosition.Column--;
+ FCol = HMainEditor.BufferImage->MousePosition.Column / 3 + 1 + 1;
+ } else {
+ if (HMainEditor.BufferImage->MousePosition.Column < 24) {
+ FCol = HMainEditor.BufferImage->MousePosition.Column / 3 + 1 + 1;
+ } else {
+ //
+ // == 24
+ //
+ FCol = 9;
+ }
+ }
+
+ HighBits = TRUE;
+ }
+
+ FRow = HMainEditor.BufferImage->BufferPosition.Row +
+ HMainEditor.BufferImage->MousePosition.Row -
+ HMainEditor.BufferImage->DisplayPosition.Row;
+
+ if (HMainEditor.BufferImage->NumLines < FRow) {
+ //
+ // dragging
+ //
+ //
+ // now just move mouse pointer to legal position
+ //
+ FRow = HMainEditor.BufferImage->NumLines;
+ HighBits = TRUE;
+ }
+
+ Link = HMainEditor.BufferImage->ListHead->ForwardLink;
+ for (Index = 0; Index < FRow - 1; Index++) {
+ Link = Link->ForwardLink;
+ }
+
+ Line = CR (Link, HEFI_EDITOR_LINE, Link, EFI_EDITOR_LINE_LIST);
+
+ //
+ // dragging
+ //
+ //
+ // now just move mouse pointer to legal position
+ //
+ if (FCol > Line->Size) {
+ if (*BeforeLeftButtonDown) {
+ HighBits = FALSE;
+
+ if (Line->Size == 0) {
+ if (FRow > 1) {
+ FRow--;
+ FCol = 16;
+ } else {
+ FRow = 1;
+ FCol = 1;
+ }
+ } else {
+ FCol = Line->Size;
+ }
+ } else {
+ FCol = Line->Size + 1;
+ HighBits = TRUE;
+ }
+ }
+
+ HBufferImageMovePosition (FRow, FCol, HighBits);
+
+ HMainEditor.BufferImage->MousePosition.Row = HMainEditor.BufferImage->DisplayPosition.Row;
+
+ HMainEditor.BufferImage->MousePosition.Column = HMainEditor.BufferImage->DisplayPosition.Column;
+
+ *BeforeLeftButtonDown = TRUE;
+
+ Action = TRUE;
+ } else {
+ //
+ // else of if LButton
+ //
+ // release LButton
+ //
+ if (*BeforeLeftButtonDown) {
+ Action = TRUE;
+ }
+
+ //
+ // mouse up
+ //
+ *BeforeLeftButtonDown = FALSE;
+ }
+
+ if (Action) {
+ return EFI_SUCCESS;
+ }
+
+ return EFI_NOT_FOUND;
+}
+
+/**
+ Handle user key input. will route it to other components handle function.
+
+ @retval EFI_SUCCESS The operation was successful.
+ @retval EFI_OUT_OF_RESOURCES A memory allocation occurred.
+ @retval EFI_LOAD_ERROR A load error occurred.
+**/
+EFI_STATUS
+HMainEditorKeyInput (
+ VOID
+ )
+{
+ EFI_KEY_DATA KeyData;
+ EFI_STATUS Status;
+ EFI_SIMPLE_POINTER_STATE MouseState;
+ BOOLEAN NoShiftState;
+ BOOLEAN LengthChange;
+ UINTN Size;
+ UINTN OldSize;
+ BOOLEAN BeforeMouseIsDown;
+ BOOLEAN MouseIsDown;
+ BOOLEAN FirstDown;
+ BOOLEAN MouseDrag;
+ UINTN FRow;
+ UINTN FCol;
+ UINTN SelectStartBackup;
+ UINTN SelectEndBackup;
+
+ //
+ // variable initialization
+ //
+ OldSize = 0;
+ FRow = 0;
+ FCol = 0;
+ LengthChange = FALSE;
+
+ MouseIsDown = FALSE;
+ FirstDown = FALSE;
+ MouseDrag = FALSE;
+
+ do {
+ Status = EFI_SUCCESS;
+
+ HEditorMouseAction = FALSE;
+
+ //
+ // backup some key elements, so that can aVOID some refresh work
+ //
+ HMainEditorBackup ();
+
+ //
+ // wait for user key input
+ //
+ //
+ // change priority of checking mouse/keyboard activity dynamically
+ // so prevent starvation of keyboard.
+ // if last time, mouse moves then this time check keyboard
+ //
+ if (HMainEditor.MouseSupported) {
+ Status = HMainEditor.MouseInterface->GetState (
+ HMainEditor.MouseInterface,
+ &MouseState
+ );
+ if (!EFI_ERROR (Status)) {
+ BeforeMouseIsDown = MouseIsDown;
+
+ Status = HMainEditorHandleMouseInput (MouseState, &MouseIsDown);
+
+ if (!EFI_ERROR (Status)) {
+ if (!BeforeMouseIsDown) {
+ //
+ // mouse down
+ //
+ if (MouseIsDown) {
+ FRow = HBufferImage.BufferPosition.Row;
+ FCol = HBufferImage.BufferPosition.Column;
+ SelectStartBackup = HMainEditor.SelectStart;
+ SelectEndBackup = HMainEditor.SelectEnd;
+
+ FirstDown = TRUE;
+ }
+ } else {
+ SelectStartBackup = HMainEditor.SelectStart;
+ SelectEndBackup = HMainEditor.SelectEnd;
+
+ //
+ // begin to drag
+ //
+ if (MouseIsDown) {
+ if (FirstDown) {
+ if (MouseState.RelativeMovementX || MouseState.RelativeMovementY) {
+ HMainEditor.SelectStart = 0;
+ HMainEditor.SelectEnd = 0;
+ HMainEditor.SelectStart = (FRow - 1) * 0x10 + FCol;
+
+ MouseDrag = TRUE;
+ FirstDown = FALSE;
+ }
+ } else {
+ if ((
+ (HBufferImage.BufferPosition.Row - 1) *
+ 0x10 +
+ HBufferImage.BufferPosition.Column
+ ) >= HMainEditor.SelectStart
+ )
+ {
+ HMainEditor.SelectEnd = (HBufferImage.BufferPosition.Row - 1) *
+ 0x10 +
+ HBufferImage.BufferPosition.Column;
+ } else {
+ HMainEditor.SelectEnd = 0;
+ }
+ }
+
+ //
+ // end of if RelativeX/Y
+ //
+ } else {
+ //
+ // mouse is up
+ //
+ if (MouseDrag) {
+ if (HBufferImageGetTotalSize () == 0) {
+ HMainEditor.SelectStart = 0;
+ HMainEditor.SelectEnd = 0;
+ FirstDown = FALSE;
+ MouseDrag = FALSE;
+ }
+
+ if ((
+ (HBufferImage.BufferPosition.Row - 1) *
+ 0x10 +
+ HBufferImage.BufferPosition.Column
+ ) >= HMainEditor.SelectStart
+ )
+ {
+ HMainEditor.SelectEnd = (HBufferImage.BufferPosition.Row - 1) *
+ 0x10 +
+ HBufferImage.BufferPosition.Column;
+ } else {
+ HMainEditor.SelectEnd = 0;
+ }
+
+ if (HMainEditor.SelectEnd == 0) {
+ HMainEditor.SelectStart = 0;
+ }
+ }
+
+ FirstDown = FALSE;
+ MouseDrag = FALSE;
+ }
+
+ if ((SelectStartBackup != HMainEditor.SelectStart) || (SelectEndBackup != HMainEditor.SelectEnd)) {
+ if ((SelectStartBackup - 1) / 0x10 != (HMainEditor.SelectStart - 1) / 0x10) {
+ HBufferImageNeedRefresh = TRUE;
+ } else {
+ if ((SelectEndBackup - 1) / 0x10 != (HMainEditor.SelectEnd - 1) / 0x10) {
+ HBufferImageNeedRefresh = TRUE;
+ } else {
+ HBufferImageOnlyLineNeedRefresh = TRUE;
+ }
+ }
+ }
+ }
+
+ HEditorMouseAction = TRUE;
+ HBufferImageMouseNeedRefresh = TRUE;
+ } else if (Status == EFI_LOAD_ERROR) {
+ StatusBarSetStatusString (L"Invalid Mouse Movement ");
+ }
+ }
+ }
+
+ //
+ // CheckEvent() returns Success when non-partial key is pressed.
+ //
+ Status = gBS->CheckEvent (HMainEditor.TextInputEx->WaitForKeyEx);
+ if (!EFI_ERROR (Status)) {
+ Status = HMainEditor.TextInputEx->ReadKeyStrokeEx (HMainEditor.TextInputEx, &KeyData);
+ if (!EFI_ERROR (Status)) {
+ //
+ // dispatch to different components' key handling function
+ // so not everywhere has to set this variable
+ //
+ HBufferImageMouseNeedRefresh = TRUE;
+
+ //
+ // clear previous status string
+ //
+ StatusBarSetRefresh ();
+ //
+ // NoShiftState: TRUE when no shift key is pressed.
+ //
+ NoShiftState = ((KeyData.KeyState.KeyShiftState & EFI_SHIFT_STATE_VALID) == 0) || (KeyData.KeyState.KeyShiftState == EFI_SHIFT_STATE_VALID);
+ //
+ // dispatch to different components' key handling function
+ //
+ if (EFI_SUCCESS == MenuBarDispatchControlHotKey (&KeyData)) {
+ Status = EFI_SUCCESS;
+ } else if (NoShiftState && (KeyData.Key.ScanCode == SCAN_NULL)) {
+ Status = HBufferImageHandleInput (&KeyData.Key);
+ } else if (NoShiftState && ((KeyData.Key.ScanCode >= SCAN_UP) && (KeyData.Key.ScanCode <= SCAN_PAGE_DOWN))) {
+ Status = HBufferImageHandleInput (&KeyData.Key);
+ } else if (NoShiftState && ((KeyData.Key.ScanCode >= SCAN_F1) && (KeyData.Key.ScanCode <= SCAN_F12))) {
+ Status = MenuBarDispatchFunctionKey (&KeyData.Key);
+ } else {
+ StatusBarSetStatusString (L"Unknown Command");
+
+ HBufferImageMouseNeedRefresh = FALSE;
+ }
+
+ if ((Status != EFI_SUCCESS) && (Status != EFI_OUT_OF_RESOURCES)) {
+ //
+ // not already has some error status
+ //
+ if (StrCmp (L"", StatusBarGetString ()) == 0) {
+ StatusBarSetStatusString (L"Disk Error. Try Again");
+ }
+ }
+ }
+
+ //
+ // decide if has to set length warning
+ //
+ if (HBufferImage.BufferType != HBufferImageBackupVar.BufferType) {
+ LengthChange = FALSE;
+ } else {
+ //
+ // still the old buffer
+ //
+ if (HBufferImage.BufferType != FileTypeFileBuffer) {
+ Size = HBufferImageGetTotalSize ();
+
+ switch (HBufferImage.BufferType) {
+ case FileTypeDiskBuffer:
+ OldSize = HBufferImage.DiskImage->Size * HBufferImage.DiskImage->BlockSize;
+ break;
+
+ case FileTypeMemBuffer:
+ OldSize = HBufferImage.MemImage->Size;
+ break;
+
+ default:
+ OldSize = 0;
+ break;
+ }
+
+ if (!LengthChange) {
+ if (OldSize != Size) {
+ StatusBarSetStatusString (L"Disk/Mem Buffer Length should not be changed");
+ }
+ }
+
+ if (OldSize != Size) {
+ LengthChange = TRUE;
+ } else {
+ LengthChange = FALSE;
+ }
+ }
+ }
+ }
+
+ //
+ // after handling, refresh editor
+ //
+ HMainEditorRefresh ();
+ } while (Status != EFI_OUT_OF_RESOURCES && !HEditorExit);
+
+ return Status;
+}
+
+/**
+ Backup function for MainEditor.
+**/
+VOID
+HMainEditorBackup (
+ VOID
+ )
+{
+ HMainEditorBackupVar.SelectStart = HMainEditor.SelectStart;
+ HMainEditorBackupVar.SelectEnd = HMainEditor.SelectEnd;
+ HBufferImageBackup ();
+}
generated by cgit v1.2.3 (git 2.39.0) at 2026-09-09 19:34:43 +0300