src/ansi.h

   1 /* Copyright (c) 1993-2002
   2  *      Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
   3  *      Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
   4  * Copyright (c) 1987 Oliver Laumann
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 3, or (at your option)
   9  * any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program (see the file COPYING); if not, see
  18  * http://www.gnu.org/licenses/, or contact Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
  20  *
  21  ****************************************************************
  22  * $Id$ FAU
  23  */
  24
  25 #define NATTR           6
  26
  27 #define ATTR_DI         0       /* Dim mode */
  28 #define ATTR_US         1       /* Underscore mode */
  29 #define ATTR_BD         2       /* Bold mode */
  30 #define ATTR_RV         3       /* Reverse mode */
  31 #define ATTR_SO         4       /* Standout mode */
  32 #define ATTR_BL         5       /* Blinking */
  33
  34 #define A_DI    (1<<ATTR_DI)
  35 #define A_US    (1<<ATTR_US)
  36 #define A_BD    (1<<ATTR_BD)
  37 #define A_RV    (1<<ATTR_RV)
  38 #define A_SO    (1<<ATTR_SO)
  39 #define A_BL    (1<<ATTR_BL)
  40 #define A_MAX   (1<<(NATTR-1))
  41
  42 #define ATYP_M          (1<<0)
  43 #define ATYP_S          (1<<1)
  44 #define ATYP_U          (1<<2)
  45
  46 #ifdef COLORS16
  47 /* pseudo attributes */
  48 # define ATTR_BFG       6       /* bright foreground */
  49 # define ATTR_BBG       7       /* bright background */
  50 # define A_BFG  (1<<ATTR_BFG)
  51 # define A_BBG  (1<<ATTR_BBG)
  52 #endif
  53
  54 /*
  55  *  Parser state
  56  */
  57 /* keep state_t and state_t_string in sync! */
  58 enum state_t
  59 {
  60   LIT,                          /* Literal input */
  61   ESC,                          /* Start of escape sequence */
  62   ASTR,                         /* Start of control string */
  63   STRESC,                       /* ESC seen in control string */
  64   CSI,                          /* Reading arguments in "CSI Pn ;...*/
  65   PRIN,                         /* Printer mode */
  66   PRINESC,                      /* ESC seen in printer mode */
  67   PRINCSI,                      /* CSI seen in printer mode */
  68   PRIN4                         /* CSI 4 seen in printer mode */
  69 };
  70
  71 /* keep string_t and string_t_string in sync! */
  72 enum string_t
  73 {
  74   NONE,
  75   DCS,                          /* Device control string */
  76   OSC,                          /* Operating system command */
  77   APC,                          /* Application program command */
  78                                 /*  - used for status change */
  79   PM,                           /* Privacy message */
  80   AKA,                          /* title for current screen */
  81   GM,                           /* Global message to every display */
  82   STATUS                        /* User hardstatus line */
  83 };
  84
  85 /*
  86  *  Types of movement used by GotoPos()
  87  */
  88 enum move_t {
  89         M_NONE,
  90         M_UP,
  91         M_CUP,
  92         M_DO,
  93         M_CDO,
  94         M_LE,
  95         M_CLE,
  96         M_RI,
  97         M_CRI,
  98         M_RW,
  99         M_CR    /* CR and rewrite */
 100 };
 101
 102 #define EXPENSIVE        1000
 103
 104 #define G0                       0
 105 #define G1                       1
 106 #define G2                       2
 107 #define G3                       3
 108
 109 #define ASCII            0
 110
 111 #ifdef TOPSTAT
 112 #define STATLINE         (0)
 113 #else
 114 #define STATLINE         (D_height-1)
 115 #endif
 116
 117 #ifdef ENCODINGS
 118
 119 #define KANJI           ('B' & 037)
 120 #define KANJI0212       ('D' & 037)
 121 #define KANA    'I'
 122
 123 #define EUC_JP  1
 124 #define SJIS    2
 125 #define EUC_KR  3
 126 #define EUC_CN  4
 127 #define BIG5    5
 128 #define KOI8R   6
 129 #define CP1251  7
 130 #define GBK     20
 131
 132 #define EUC     EUC_JP
 133
 134 #endif
 135
 136 #ifdef UTF8
 137 #undef UTF8
 138 #define UTF8    8
 139 #endif
 140
 141 #ifdef UTF8
 142 # define UCS_REPL    0xfffd  /* character for illegal codes */
 143 # define UCS_REPL_DW 0xff1f  /* character for illegal codes */
 144 # define UCS_HIDDEN 0xffff
 145 #endif
 146
 147 #ifdef DW_CHARS
 148 # define is_dw_font(f) ((f) && ((f) & 0x60) == 0)
 149
 150 # ifdef UTF8
 151 #  define dw_left(ml, x, enc) ((enc == UTF8) ? \
 152         (unsigned char)(ml)->font[(x) + 1] == 0xff && (unsigned char)(ml)->image[(x) + 1] == 0xff : \
 153         ((unsigned char)(ml)->font[x] & 0x1f) != 0 && ((unsigned char)(ml)->font[x] & 0xe0) == 0 \
 154         )
 155 #  define dw_right(ml, x, enc) ((enc == UTF8) ? \
 156         (unsigned char)(ml)->font[x] == 0xff && (unsigned char)(ml)->image[x] == 0xff : \
 157         ((unsigned char)(ml)->font[x] & 0xe0) == 0x80 \
 158         )
 159 # else
 160 #  define dw_left(ml, x, enc) ( \
 161         ((unsigned char)(ml)->font[x] & 0x1f) != 0 && ((unsigned char)(ml)->font[x] & 0xe0) == 0 \
 162         )
 163 #  define dw_right(ml, x, enc) ( \
 164         ((unsigned char)(ml)->font[x] & 0xe0) == 0x80 \
 165         )
 166 # endif /* UTF8 */
 167 #else
 168 # define dw_left(ml, x, enc) 0
 169 # define dw_right(ml, x, enc) 0
 170 #endif