diff options
Diffstat (limited to 'roms/edk2/ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/MainHexEditor.c')
| -rw-r--r-- | roms/edk2/ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/MainHexEditor.c | 2372 |
1 files changed, 2372 insertions, 0 deletions
diff --git a/roms/edk2/ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/MainHexEditor.c b/roms/edk2/ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/MainHexEditor.c new file mode 100644 index 000000000..9f72da119 --- /dev/null +++ b/roms/edk2/ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/MainHexEditor.c @@ -0,0 +1,2372 @@ +/** @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 ();
+}
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