e575c101d8
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: daryl.mcdaniel@intel.com Reviewed-by: erik.c.bjorge@intel.com Reviewed-by: leroy.p.leahy@intel.com Reviewed-by: lee.g.rosenbaum@intel.com Reviewed-by: jaben.carsey@intel.com git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13988 6f19259b-4bc3-4df7-8a09-765794883524
82 lines
2.6 KiB
C
82 lines
2.6 KiB
C
/** @file
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Constants and declarations for the Interactive IO library.
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Copyright (c) 2012, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials are licensed and made available
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under the terms and conditions of the BSD License which accompanies this
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distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _INTERACTIVE_IO_H
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#define _INTERACTIVE_IO_H
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#include <sys/EfiSysCall.h>
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#include <sys/termios.h>
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#include <Containers/Fifo.h>
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#include <kfile.h>
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__BEGIN_DECLS
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typedef struct _IIO_Instance cIIO;
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cIIO * EFIAPI New_cIIO(void); // Creates a new cIIO structure
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/* Types of Member functions of the TTY I/O "class". */
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typedef void (EFIAPI *cIIO_Delete) (cIIO *This);
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typedef ssize_t (EFIAPI *cIIO_Read) (struct __filedes *filp, size_t BufferSize, VOID *Buffer);
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typedef ssize_t (EFIAPI *cIIO_Write) (struct __filedes *filp, const char *buf, ssize_t n);
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typedef ssize_t (EFIAPI *cIIO_Echo) (struct __filedes *filp, wchar_t EChar, BOOLEAN EchoIsOK);
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/** Structure defining an instance of the Interactive I/O "class". **/
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struct _IIO_Instance {
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/* ######## Public Functions ######## */
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cIIO_Delete Delete;
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cIIO_Read Read;
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cIIO_Write Write;
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cIIO_Echo Echo;
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/* ######## PRIVATE Data ######## */
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// Wide input buffer -- stdin
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cFIFO *InBuf;
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// Wide output buffer -- stdout
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cFIFO *OutBuf;
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// Attributes for characters in the output buffer
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UINT8 *AttrBuf;
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// Wide output buffer -- stderr
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cFIFO *ErrBuf;
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// Character conversion states for the buffers
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mbstate_t OutState;
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mbstate_t ErrState;
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// Cursor position at beginning of operation
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// and at each character thereafter.
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CURSOR_XY InitialXY;
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CURSOR_XY CurrentXY;
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UINTN MaxColumn; // Width of the output device
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UINTN MaxRow; // Height of the output device
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// termios structure
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struct termios Termio;
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};
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// Helper Functions
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ssize_t IIO_CanonRead (struct __filedes *filp);
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ssize_t IIO_NonCanonRead (struct __filedes *filp);
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ssize_t IIO_WriteOne (struct __filedes *filp, cFIFO *Buf, wchar_t InCh);
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ssize_t IIO_EchoOne (struct __filedes *filp, wchar_t InCh, BOOLEAN EchoIsOK);
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__END_DECLS
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#endif /* _INTERACTIVE_IO_H */
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