varnish-cache/bin/varnishtest/teken_scs.h
0
/*-
1
 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
2
 *
3
 * Copyright (c) 2009 Ed Schouten <ed@FreeBSD.org>
4
 * All rights reserved.
5
 *
6
 * Redistribution and use in source and binary forms, with or without
7
 * modification, are permitted provided that the following conditions
8
 * are met:
9
 * 1. Redistributions of source code must retain the above copyright
10
 *    notice, this list of conditions and the following disclaimer.
11
 * 2. Redistributions in binary form must reproduce the above copyright
12
 *    notice, this list of conditions and the following disclaimer in the
13
 *    documentation and/or other materials provided with the distribution.
14
 *
15
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25
 * SUCH DAMAGE.
26
 *
27
 * $FreeBSD: head/sys/teken/teken_scs.h 332297 2018-04-08 19:23:50Z phk $
28
 */
29
30
static inline teken_char_t
31 5010599
teken_scs_process(const teken_t *t, teken_char_t c)
32
{
33
34 5010599
        return (t->t_scs[t->t_curscs](t, c));
35
}
36
37
/* Unicode points for VT100 box drawing. */
38
static const uint16_t teken_boxdrawing_unicode[31] = {
39
    0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1,
40
    0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba,
41
    0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c,
42
    0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7
43
};
44
45
/* ASCII points for VT100 box drawing. */
46
static const uint8_t teken_boxdrawing_8bit[31] = {
47
    '?', '?', 'H', 'F', 'C', 'L', '?', '?',
48
    'N', 'V', '+', '+', '+', '+', '+', '-',
49
    '-', '-', '-', '-', '+', '+', '+', '+',
50
    '|', '?', '?', '?', '?', '?', '?',
51
};
52
53
static teken_char_t
54 27840
teken_scs_special_graphics(const teken_t *t, teken_char_t c)
55
{
56
57
        /* Box drawing. */
58 27840
        if (c >= '`' && c <= '~')
59 21760
                return (t->t_stateflags & TS_8BIT ?
60 0
                    teken_boxdrawing_8bit[c - '`'] :
61 21760
                    teken_boxdrawing_unicode[c - '`']);
62 6080
        return (c);
63 27840
}
64
65
static teken_char_t
66 1120
teken_scs_uk_national(const teken_t *t, teken_char_t c)
67
{
68
69
        /* Pound sign. */
70 1120
        if (c == '#')
71 80
                return (t->t_stateflags & TS_8BIT ? 0x9c : 0xa3);
72 1040
        return (c);
73 1120
}
74
75
static teken_char_t
76 4981712
teken_scs_us_ascii(const teken_t *t, teken_char_t c)
77
{
78
79
        /* No processing. */
80 4981712
        (void)t;
81 4981712
        return (c);
82
}