1/* $OpenBSD: make_keys.c,v 1.10 2023/10/17 09:52:09 nicm Exp $ */
2
3/****************************************************************************
4 * Copyright 2020,2021 Thomas E. Dickey                                     *
5 * Copyright 1998-2011,2015 Free Software Foundation, Inc.                  *
6 *                                                                          *
7 * Permission is hereby granted, free of charge, to any person obtaining a  *
8 * copy of this software and associated documentation files (the            *
9 * "Software"), to deal in the Software without restriction, including      *
10 * without limitation the rights to use, copy, modify, merge, publish,      *
11 * distribute, distribute with modifications, sublicense, and/or sell       *
12 * copies of the Software, and to permit persons to whom the Software is    *
13 * furnished to do so, subject to the following conditions:                 *
14 *                                                                          *
15 * The above copyright notice and this permission notice shall be included  *
16 * in all copies or substantial portions of the Software.                   *
17 *                                                                          *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
21 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
24 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
25 *                                                                          *
26 * Except as contained in this notice, the name(s) of the above copyright   *
27 * holders shall not be used in advertising or otherwise to promote the     *
28 * sale, use or other dealings in this Software without prior written       *
29 * authorization.                                                           *
30 ****************************************************************************/
31
32/****************************************************************************
33 *  Author: Thomas E. Dickey                    1997-on                     *
34 ****************************************************************************/
35
36/*
37 * This replaces an awk script which translated keys.list into keys.tries by
38 * making the output show the indices into the TERMTYPE Strings array.  Doing
39 * it that way lets us cut down on the size of the init_keytry() function.
40 */
41
42#define USE_TERMLIB 1
43#include <build.priv.h>
44
45MODULE_ID("$Id: make_keys.c,v 1.10 2023/10/17 09:52:09 nicm Exp $")
46
47#include <names.c>
48
49static unsigned
50unknown(void)
51{
52    static unsigned result = 0;
53
54    if (result == 0) {
55	unsigned n;
56	for (n = 0; strnames[n] != 0; n++) {
57	    ++result;
58	}
59	for (n = 0; strfnames[n] != 0; n++) {
60	    ++result;
61	}
62    }
63    return result;
64}
65
66static unsigned
67lookup(const char *name)
68{
69    unsigned n;
70    bool found = FALSE;
71    for (n = 0; strnames[n] != 0; n++) {
72	if (!strcmp(name, strnames[n])) {
73	    found = TRUE;
74	    break;
75	}
76    }
77    if (!found) {
78	for (n = 0; strfnames[n] != 0; n++) {
79	    if (!strcmp(name, strfnames[n])) {
80		found = TRUE;
81		break;
82	    }
83	}
84    }
85    return found ? n : unknown();
86}
87
88static void
89make_keys(FILE *ifp, FILE *ofp)
90{
91    char buffer[BUFSIZ];
92    char from[256];
93    char to[256];
94    unsigned ignore = unknown();
95    unsigned maxlen = 16;
96    int scanned;
97
98    while (fgets(buffer, (int) sizeof(buffer), ifp) != 0) {
99	if (*buffer == '#')
100	    continue;
101
102	to[sizeof(to) - 1] = '\0';
103	from[sizeof(from) - 1] = '\0';
104
105	scanned = sscanf(buffer, "%255s %255s", to, from);
106	if (scanned == 2) {
107	    unsigned code = lookup(from);
108	    if (code == ignore)
109		continue;
110	    if (strlen(from) > maxlen)
111		maxlen = (unsigned) strlen(from);
112	    fprintf(ofp, "\t{ %4u, %-*.*s },\t/* %s */\n",
113		    code,
114		    (int) maxlen, (int) maxlen,
115		    to,
116		    from);
117	}
118    }
119}
120
121static void
122write_list(FILE *ofp, const char **list)
123{
124    while (*list != 0)
125	fprintf(ofp, "%s\n", *list++);
126}
127
128int
129main(int argc, char *argv[])
130{
131    static const char *prefix[] =
132    {
133	"#ifndef _INIT_KEYTRY_H",
134	"#define _INIT_KEYTRY_H 1",
135	"",
136	"/* This file was generated by MAKE_KEYS */",
137	"",
138	"#include <tic.h>",
139	"",
140	"#if BROKEN_LINKER",
141	"static",
142	"#endif",
143	"const struct tinfo_fkeys _nc_tinfo_fkeys[] = {",
144	0
145    };
146    static const char *suffix[] =
147    {
148	"\t{ 0, 0} };",
149	"",
150	"#endif /* _INIT_KEYTRY_H */",
151	0
152    };
153
154    write_list(stdout, prefix);
155    if (argc > 1) {
156	int n;
157	for (n = 1; n < argc; n++) {
158	    FILE *fp = fopen(argv[n], "r");
159	    if (fp != 0) {
160		make_keys(fp, stdout);
161		fclose(fp);
162	    }
163	}
164    } else {
165	make_keys(stdin, stdout);
166    }
167    write_list(stdout, suffix);
168    return EXIT_SUCCESS;
169}
170