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/** @file
Declares filebuffer interface functions.
Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved. <BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#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
FileBufferInit (
VOID
);
/**
Cleanup function for FileBuffer.
@retval EFI_SUCCESS The cleanup was successful.
**/
EFI_STATUS
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
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
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
FileBufferBackup (
VOID
);
/**
Set the cursor position according to FileBuffer.DisplayPosition.
@retval EFI_SUCCESS The operation was successful.
**/
EFI_STATUS
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
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
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
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
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
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
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
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
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
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
FileBufferAdjustMousePosition (
IN CONST INT32 TextX,
IN CONST INT32 TextY
);
/**
Set the modified state to TRUE.
**/
VOID
FileBufferSetModified (
VOID
);
#endif
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