1187469Sed/*- 2187469Sed * Copyright (c) 2009 Ed Schouten <ed@FreeBSD.org> 3187469Sed * All rights reserved. 4187469Sed * 5187469Sed * Redistribution and use in source and binary forms, with or without 6187469Sed * modification, are permitted provided that the following conditions 7187469Sed * are met: 8187469Sed * 1. Redistributions of source code must retain the above copyright 9187469Sed * notice, this list of conditions and the following disclaimer. 10187469Sed * 2. Redistributions in binary form must reproduce the above copyright 11187469Sed * notice, this list of conditions and the following disclaimer in the 12187469Sed * documentation and/or other materials provided with the distribution. 13187469Sed * 14187469Sed * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15187469Sed * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16187469Sed * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17187469Sed * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18187469Sed * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19187469Sed * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20187469Sed * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21187469Sed * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22187469Sed * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23187469Sed * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24187469Sed * SUCH DAMAGE. 25187469Sed * 26187469Sed * $FreeBSD$ 27187469Sed */ 28187469Sed 29197520Sedstatic inline teken_char_t 30187469Sedteken_scs_process(teken_t *t, teken_char_t c) 31187469Sed{ 32187469Sed 33197470Sed return (t->t_scs[t->t_curscs](t, c)); 34187469Sed} 35187469Sed 36187469Sed/* Unicode points for VT100 box drawing. */ 37197470Sedstatic const uint16_t teken_boxdrawing_unicode[31] = { 38187469Sed 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, 39187469Sed 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, 40187469Sed 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, 41187469Sed 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7 42187469Sed}; 43187469Sed 44203659Sed/* ASCII points for VT100 box drawing. */ 45197470Sedstatic const uint8_t teken_boxdrawing_8bit[31] = { 46203659Sed '?', '?', 'H', 'F', 'C', 'L', '?', '?', 47203659Sed 'N', 'V', '+', '+', '+', '+', '+', '-', 48203659Sed '-', '-', '-', '-', '+', '+', '+', '+', 49203659Sed '|', '?', '?', '?', '?', '?', '?', 50197470Sed}; 51197470Sed 52187469Sedstatic teken_char_t 53197470Sedteken_scs_special_graphics(teken_t *t, teken_char_t c) 54187469Sed{ 55187469Sed 56187469Sed /* Box drawing. */ 57187469Sed if (c >= '`' && c <= '~') 58197470Sed return (t->t_stateflags & TS_8BIT ? 59197470Sed teken_boxdrawing_8bit[c - '`'] : 60197470Sed teken_boxdrawing_unicode[c - '`']); 61187469Sed return (c); 62187469Sed} 63187469Sed 64187469Sedstatic teken_char_t 65197470Sedteken_scs_uk_national(teken_t *t, teken_char_t c) 66187469Sed{ 67187469Sed 68187469Sed /* Pound sign. */ 69187469Sed if (c == '#') 70197470Sed return (t->t_stateflags & TS_8BIT ? 0x9c : 0xa3); 71187469Sed return (c); 72187469Sed} 73187469Sed 74187469Sedstatic teken_char_t 75197471Sedteken_scs_us_ascii(teken_t *t __unused, teken_char_t c) 76187469Sed{ 77187469Sed 78187469Sed /* No processing. */ 79187469Sed return (c); 80187469Sed} 81