| /*- |
| * Copyright (c) 2009 Ed Schouten <ed@FreeBSD.org> |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * $FreeBSD: head/sys/teken/teken_scs.h 203659 2010-02-08 09:16:59Z ed $ |
| */ |
| |
| static inline teken_char_t |
| teken_scs_process(teken_t *t, teken_char_t c) |
| { |
| |
| return (t->t_scs[t->t_curscs](t, c)); |
| } |
| |
| /* Unicode points for VT100 box drawing. */ |
| static const uint16_t teken_boxdrawing_unicode[31] = { |
| 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, |
| 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, |
| 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, |
| 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7 |
| }; |
| |
| /* ASCII points for VT100 box drawing. */ |
| static const uint8_t teken_boxdrawing_8bit[31] = { |
| '?', '?', 'H', 'F', 'C', 'L', '?', '?', |
| 'N', 'V', '+', '+', '+', '+', '+', '-', |
| '-', '-', '-', '-', '+', '+', '+', '+', |
| '|', '?', '?', '?', '?', '?', '?', |
| }; |
| |
| static teken_char_t |
| teken_scs_special_graphics(teken_t *t, teken_char_t c) |
| { |
| |
| /* Box drawing. */ |
| if (c >= '`' && c <= '~') |
| return (t->t_stateflags & TS_8BIT ? |
| teken_boxdrawing_8bit[c - '`'] : |
| teken_boxdrawing_unicode[c - '`']); |
| return (c); |
| } |
| |
| static teken_char_t |
| teken_scs_uk_national(teken_t *t, teken_char_t c) |
| { |
| |
| /* Pound sign. */ |
| if (c == '#') |
| return (t->t_stateflags & TS_8BIT ? 0x9c : 0xa3); |
| return (c); |
| } |
| |
| static teken_char_t |
| teken_scs_us_ascii(teken_t *t __unused, teken_char_t c) |
| { |
| |
| /* No processing. */ |
| return (c); |
| } |