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/** @file
Declares filebuffer interface functions.
Copyright (c) 2005 - 2011, Intel Corporation. All rights reserved. <BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _LIB_FILE_BUFFER_H_
#define _LIB_FILE_BUFFER_H_
#include "TextEditorTypes.h"
/**
Initialization function for FileBuffer.
@param EFI_SUCCESS The initialization was successful.
@param EFI_LOAD_ERROR A default name could not be created.
@param EFI_OUT_OF_RESOURCES A memory allocation failed.
**/
EFI_STATUS
EFIAPI
FileBufferInit (
VOID
);
/**
Cleanup function for FileBuffer.
@retval EFI_SUCCESS The cleanup was successful.
**/
EFI_STATUS
EFIAPI
FileBufferCleanup (
VOID
);
/**
Refresh the screen with whats in the buffer.
@retval EFI_SUCCESS The refresh was successful.
@retval EFI_LOAD_ERROR There was an error finding what to write.
**/
EFI_STATUS
EFIAPI
FileBufferRefresh (
VOID
);
/**
Dispatch input to different handler
@param[in] Key The input key. One of:
ASCII KEY
Backspace/Delete
Return
Direction key: up/down/left/right/pgup/pgdn
Home/End
INS
@retval EFI_SUCCESS The dispatch was done successfully.
@retval EFI_LOAD_ERROR The dispatch was not successful.
@retval EFI_OUT_OF_RESOURCES A memory allocation failed.
**/
EFI_STATUS
EFIAPI
FileBufferHandleInput (
IN CONST EFI_INPUT_KEY * Key
);
/**
Backup function for FileBuffer. Only backup the following items:
Mouse/Cursor position
File Name, Type, ReadOnly, Modified
Insert Mode
This is for making the file buffer refresh as few as possible.
@retval EFI_SUCCESS The backup operation was successful.
**/
EFI_STATUS
EFIAPI
FileBufferBackup (
VOID
);
/**
Set the cursor position according to FileBuffer.DisplayPosition.
@retval EFI_SUCCESS The operation was successful.
**/
EFI_STATUS
EFIAPI
FileBufferRestorePosition (
VOID
);
/**
Set FileName field in FileBuffer.
@param Str The file name to set.
@retval EFI_SUCCESS The filename was successfully set.
@retval EFI_OUT_OF_RESOURCES A memory allocation failed.
@retval EFI_INVALID_PARAMETER Str is not a valid filename.
**/
EFI_STATUS
EFIAPI
FileBufferSetFileName (
IN CONST CHAR16 *Str
);
/**
Read a file from disk into the FileBuffer.
@param[in] FileName The filename to read.
@param[in] Recover TRUE if is for recover mode, no information printouts.
@retval EFI_SUCCESS The load was successful.
@retval EFI_LOAD_ERROR The load failed.
@retval EFI_OUT_OF_RESOURCES A memory allocation failed.
@retval EFI_INVALID_PARAMETER FileName is a directory.
**/
EFI_STATUS
EFIAPI
FileBufferRead (
IN CONST CHAR16 *FileName,
IN CONST BOOLEAN Recover
);
/**
Save lines in FileBuffer to disk
@param[in] FileName The file name for writing.
@retval EFI_SUCCESS Data was written.
@retval EFI_LOAD_ERROR
@retval EFI_OUT_OF_RESOURCES There were not enough resources to write the file.
**/
EFI_STATUS
EFIAPI
FileBufferSave (
CONST CHAR16 *FileName
);
/**
According to cursor's file position, adjust screen display
@param[in] NewFilePosRow The row of file position ( start from 1 ).
@param[in] NewFilePosCol The column of file position ( start from 1 ).
**/
VOID
EFIAPI
FileBufferMovePosition (
IN CONST UINTN NewFilePosRow,
IN CONST UINTN NewFilePosCol
);
/**
Cut current line out and return a pointer to it.
@param[out] CutLine Upon a successful return pointer to the pointer to
the allocated cut line.
@retval EFI_SUCCESS The cut was successful.
@retval EFI_NOT_FOUND There was no selection to cut.
@retval EFI_OUT_OF_RESOURCES A memory allocation failed.
**/
EFI_STATUS
EFIAPI
FileBufferCutLine (
OUT EFI_EDITOR_LINE **CutLine
);
/**
Paste a line into line list.
@retval EFI_SUCCESS The paste was successful.
@retval EFI_OUT_OF_RESOURCES A memory allocation failed.
**/
EFI_STATUS
EFIAPI
FileBufferPasteLine (
VOID
);
/**
Search string from current position on in file
@param[in] Str The search string.
@param[in] Offset The offset from current position.
@retval EFI_SUCCESS The operation was successful.
@retval EFI_NOT_FOUND The string Str was not found.
**/
EFI_STATUS
EFIAPI
FileBufferSearch (
IN CONST CHAR16 *Str,
IN CONST UINTN Offset
);
/**
Replace SearchLen characters from current position on with Replace.
This will modify the current buffer at the current position.
@param[in] Replace The string to replace.
@param[in] SearchLen Search string's length.
@retval EFI_SUCCESS The operation was successful.
@retval EFI_OUT_OF_RESOURCES A memory allocation failed.
**/
EFI_STATUS
EFIAPI
FileBufferReplace (
IN CONST CHAR16 *Replace,
IN CONST UINTN SearchLen
);
/**
Search and replace operation.
@param[in] SearchStr The string to search for.
@param[in] ReplaceStr The string to replace with.
@param[in] Offset The column to start at.
**/
EFI_STATUS
EFIAPI
FileBufferReplaceAll (
IN CHAR16 *SearchStr,
IN CHAR16 *ReplaceStr,
IN UINTN Offset
);
/**
Move the mouse cursor position.
@param[in] TextX The new x-coordinate.
@param[in] TextY The new y-coordinate.
**/
VOID
EFIAPI
FileBufferAdjustMousePosition (
IN CONST INT32 TextX,
IN CONST INT32 TextY
);
/**
Set the modified state to TRUE.
**/
VOID
EFIAPI
FileBufferSetModified (
VOID
);
#endif
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