src/ansi.h

   1 /* Copyright (c) 2008, 2009
   2  *      Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
   3  *      Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
   4  *      Micah Cowan (micah@cowan.name)
   5  *      Sadrul Habib Chowdhury (sadrul@users.sourceforge.net)
   6  * Copyright (c) 1993-2002, 2003, 2005, 2006, 2007
   7  *      Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
   8  *      Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
   9  * Copyright (c) 1987 Oliver Laumann
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 3, or (at your option)
  14  * any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program (see the file COPYING); if not, see
  23  * http://www.gnu.org/licenses/, or contact Free Software Foundation, Inc.,
  24  * 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
  25  *
  26  ****************************************************************
  27  * $Id$ FAU
  28  */
  29
  30 #define NATTR           6
  31
  32 #define ATTR_DI         0       /* Dim mode */
  33 #define ATTR_US         1       /* Underscore mode */
  34 #define ATTR_BD         2       /* Bold mode */
  35 #define ATTR_RV         3       /* Reverse mode */
  36 #define ATTR_SO         4       /* Standout mode */
  37 #define ATTR_BL         5       /* Blinking */
  38
  39 #define A_DI    (1<<ATTR_DI)
  40 #define A_US    (1<<ATTR_US)
  41 #define A_BD    (1<<ATTR_BD)
  42 #define A_RV    (1<<ATTR_RV)
  43 #define A_SO    (1<<ATTR_SO)
  44 #define A_BL    (1<<ATTR_BL)
  45 #define A_MAX   (1<<(NATTR-1))
  46
  47 #define ATYP_M          (1<<0)
  48 #define ATYP_S          (1<<1)
  49 #define ATYP_U          (1<<2)
  50
  51 #ifdef COLORS16
  52 /* pseudo attributes */
  53 # define ATTR_BFG       6       /* bright foreground */
  54 # define ATTR_BBG       7       /* bright background */
  55 # define A_BFG  (1<<ATTR_BFG)
  56 # define A_BBG  (1<<ATTR_BBG)
  57 #endif
  58
  59 /*
  60  *  Parser state
  61  */
  62 /* keep state_t and state_t_string in sync! */
  63 enum state_t
  64 {
  65   LIT,                          /* Literal input */
  66   ESC,                          /* Start of escape sequence */
  67   ASTR,                         /* Start of control string */
  68   STRESC,                       /* ESC seen in control string */
  69   CSI,                          /* Reading arguments in "CSI Pn ;...*/
  70   PRIN,                         /* Printer mode */
  71   PRINESC,                      /* ESC seen in printer mode */
  72   PRINCSI,                      /* CSI seen in printer mode */
  73   PRIN4                         /* CSI 4 seen in printer mode */
  74 };
  75
  76 /* keep string_t and string_t_string in sync! */
  77 enum string_t
  78 {
  79   NONE,
  80   DCS,                          /* Device control string */
  81   OSC,                          /* Operating system command */
  82   APC,                          /* Application program command */
  83                                 /*  - used for status change */
  84   PM,                           /* Privacy message */
  85   AKA,                          /* title for current screen */
  86   GM,                           /* Global message to every display */
  87   STATUS                        /* User hardstatus line */
  88 };
  89
  90 /*
  91  *  Types of movement used by GotoPos()
  92  */
  93 enum move_t {
  94         M_NONE,
  95         M_UP,
  96         M_CUP,
  97         M_DO,
  98         M_CDO,
  99         M_LE,
 100         M_CLE,
 101         M_RI,
 102         M_CRI,
 103         M_RW,
 104         M_CR    /* CR and rewrite */
 105 };
 106
 107 #define EXPENSIVE        1000
 108
 109 #define G0                       0
 110 #define G1                       1
 111 #define G2                       2
 112 #define G3                       3
 113
 114 #define ASCII            0
 115
 116 #ifdef TOPSTAT
 117 #define STATLINE         (0)
 118 #else
 119 #define STATLINE         (D_height-1)
 120 #endif
 121
 122 #ifdef ENCODINGS
 123
 124 #define KANJI           ('B' & 037)
 125 #define KANJI0212       ('D' & 037)
 126 #define KANA    'I'
 127
 128 #define EUC_JP  1
 129 #define SJIS    2
 130 #define EUC_KR  3
 131 #define EUC_CN  4
 132 #define BIG5    5
 133 #define KOI8R   6
 134 #define CP1251  7
 135 #define GBK     20
 136
 137 #define EUC     EUC_JP
 138
 139 #endif
 140
 141 #ifdef UTF8
 142 #undef UTF8
 143 #define UTF8    8
 144 #endif
 145
 146 #ifdef UTF8
 147 # define UCS_REPL    0xfffd  /* character for illegal codes */
 148 # define UCS_REPL_DW 0xff1f  /* character for illegal codes */
 149 # define UCS_HIDDEN 0xffff
 150 #endif
 151
 152 #ifdef DW_CHARS
 153 # define is_dw_font(f) ((f) && ((f) & 0x60) == 0)
 154
 155 # ifdef UTF8
 156 #  define dw_left(ml, x, enc) ((enc == UTF8) ? \
 157         (unsigned char)(ml)->font[(x) + 1] == 0xff && (unsigned char)(ml)->image[(x) + 1] == 0xff : \
 158         ((unsigned char)(ml)->font[x] & 0x1f) != 0 && ((unsigned char)(ml)->font[x] & 0xe0) == 0 \
 159         )
 160 #  define dw_right(ml, x, enc) ((enc == UTF8) ? \
 161         (unsigned char)(ml)->font[x] == 0xff && (unsigned char)(ml)->image[x] == 0xff : \
 162         ((unsigned char)(ml)->font[x] & 0xe0) == 0x80 \
 163         )
 164 # else
 165 #  define dw_left(ml, x, enc) ( \
 166         ((unsigned char)(ml)->font[x] & 0x1f) != 0 && ((unsigned char)(ml)->font[x] & 0xe0) == 0 \
 167         )
 168 #  define dw_right(ml, x, enc) ( \
 169         ((unsigned char)(ml)->font[x] & 0xe0) == 0x80 \
 170         )
 171 # endif /* UTF8 */
 172 #else
 173 # define dw_left(ml, x, enc) 0
 174 # define dw_right(ml, x, enc) 0
 175 #endif