ansi.h

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/* 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

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