~ubuntu-branches/ubuntu/trusty/screen/trusty-backports

/* Copyright (c) 1993-2002

 *      Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)

 *      Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)

 * Copyright (c) 1987 Oliver Laumann

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2, or (at your option)

 * any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program (see the file COPYING); if not, write to the

 * Free Software Foundation, Inc.,

 * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA

 *

 ****************************************************************

 * $Id: ansi.h,v 1.6 1994/05/31 12:31:28 mlschroe Exp $ FAU

 */

#define NATTR		6

#define ATTR_DI		0	/* Dim mode */

#define ATTR_US		1	/* Underscore mode */

#define ATTR_BD		2	/* Bold mode */

#define ATTR_RV		3	/* Reverse mode */

#define ATTR_SO		4	/* Standout mode */

#define ATTR_BL		5	/* Blinking */

#define A_DI	(1<<ATTR_DI)

#define A_US	(1<<ATTR_US)

#define A_BD	(1<<ATTR_BD)

#define A_RV	(1<<ATTR_RV)

#define A_SO	(1<<ATTR_SO)

#define A_BL	(1<<ATTR_BL)

#define A_MAX	(1<<(NATTR-1))

#define ATYP_M		(1<<0)

#define ATYP_S		(1<<1)

#define ATYP_U		(1<<2)

#ifdef COLORS16

/* pseudo attributes */

# define ATTR_BFG	6	/* bright foreground */

# define ATTR_BBG	7	/* bright background */

# define A_BFG	(1<<ATTR_BFG)

# define A_BBG	(1<<ATTR_BBG)

#endif

/*

 *  Parser state

 */

/* keep state_t and state_t_string in sync! */

enum state_t 

{

  LIT,				/* Literal input */

  ESC,				/* Start of escape sequence */

  ASTR,				/* Start of control string */

  STRESC,			/* ESC seen in control string */

  CSI,				/* Reading arguments in "CSI Pn ;...*/

  PRIN,				/* Printer mode */

  PRINESC,			/* ESC seen in printer mode */

  PRINCSI,			/* CSI seen in printer mode */

  PRIN4				/* CSI 4 seen in printer mode */

};

/* keep string_t and string_t_string in sync! */

enum string_t 

{

  NONE,

  DCS,				/* Device control string */

  OSC,				/* Operating system command */

  APC,				/* Application program command */

				/*  - used for status change */

  PM,				/* Privacy message */

  AKA,				/* title for current screen */

  GM,				/* Global message to every display */

  STATUS			/* User hardstatus line */

};

/*

 *  Types of movement used by GotoPos()

 */

enum move_t {

	M_NONE,

	M_UP,

	M_CUP,

	M_DO,

	M_CDO,

	M_LE,

	M_CLE,

	M_RI,

	M_CRI,

	M_RW,

	M_CR	/* CR and rewrite */

};

#define EXPENSIVE	 1000

#define G0			 0

#define G1			 1

#define G2			 2

#define G3			 3

#define ASCII		 0

#ifdef TOPSTAT

#define STATLINE	 (0)

#else

#define STATLINE	 (D_height-1)

#endif

#ifdef ENCODINGS

#define KANJI		('B' & 037)

#define KANJI0212	('D' & 037)

#define KANA    'I'

#define EUC_JP	1

#define SJIS	2

#define EUC_KR	3

#define EUC_CN	4

#define BIG5	5

#define KOI8R	6

#define CP1251	7

#define GBK	20

#define EUC	EUC_JP

#endif

#ifdef UTF8

#undef UTF8

#define UTF8	8

#endif

#ifdef UTF8

# define UCS_REPL    0xfffd  /* character for illegal codes */

# define UCS_REPL_DW 0xff1f  /* character for illegal codes */

# define UCS_HIDDEN 0xffff

#endif

#ifdef DW_CHARS

# define is_dw_font(f) ((f) && ((f) & 0x60) == 0)

# ifdef UTF8

#  define dw_left(ml, x, enc) ((enc == UTF8) ? \

	(unsigned char)(ml)->font[(x) + 1] == 0xff && (unsigned char)(ml)->image[(x) + 1] == 0xff : \

	((unsigned char)(ml)->font[x] & 0x1f) != 0 && ((unsigned char)(ml)->font[x] & 0xe0) == 0 \

	)

#  define dw_right(ml, x, enc) ((enc == UTF8) ? \

	(unsigned char)(ml)->font[x] == 0xff && (unsigned char)(ml)->image[x] == 0xff : \

	((unsigned char)(ml)->font[x] & 0xe0) == 0x80 \

	)

# else

#  define dw_left(ml, x, enc) ( \

	((unsigned char)(ml)->font[x] & 0x1f) != 0 && ((unsigned char)(ml)->font[x] & 0xe0) == 0 \

	)

#  define dw_right(ml, x, enc) ( \

	((unsigned char)(ml)->font[x] & 0xe0) == 0x80 \

	)

# endif /* UTF8 */

#else

# define dw_left(ml, x, enc) 0

# define dw_right(ml, x, enc) 0

#endif