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/*-
* 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: release/9.1.0/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);
}