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28 
29 /****************************************************************************
30  *  Author: Thomas E. Dickey                    1997-on                     *
31  ****************************************************************************/
32 
33 /*
34  * This replaces an awk script which translated keys.list into keys.tries by
35  * making the output show the indices into the TERMTYPE Strings array.  Doing
36  * it that way lets us cut down on the size of the init_keytry() function.
37  */
38 
39 #define USE_TERMLIB 1
40 #include <build.priv.h>
41 
42 MODULE_ID("$Id: make_keys.c,v 1.19 2010/06/05 22:08:00 tom Exp $")
43 
44 #include <names.c>
45 
46 #define UNKNOWN (unsigned) (SIZEOF(strnames) + SIZEOF(strfnames))
47 
48 static unsigned
49 lookup(const char *name)
50 {
51     unsigned n;
52     bool found = FALSE;
53     for (n = 0; strnames[n] != 0; n++) {
54 	if (!strcmp(name, strnames[n])) {
55 	    found = TRUE;
56 	    break;
57 	}
58     }
59     if (!found) {
60 	for (n = 0; strfnames[n] != 0; n++) {
61 	    if (!strcmp(name, strfnames[n])) {
62 		found = TRUE;
63 		break;
64 	    }
65 	}
66     }
67     return found ? n : UNKNOWN;
68 }
69 
70 static void
71 make_keys(FILE *ifp, FILE *ofp)
72 {
73     char buffer[BUFSIZ];
74     char from[256];
75     char to[256];
76     unsigned maxlen = 16;
77     int scanned;
78 
79     while (fgets(buffer, sizeof(buffer), ifp) != 0) {
80 	if (*buffer == '#')
81 	    continue;
82 
83 	to[sizeof(to) - 1] = '\0';
84 	from[sizeof(from) - 1] = '\0';
85 
86 	scanned = sscanf(buffer, "%255s %255s", to, from);
87 	if (scanned == 2) {
88 	    unsigned code = lookup(from);
89 	    if (code == UNKNOWN)
90 		continue;
91 	    if (strlen(from) > maxlen)
92 		maxlen = (unsigned) strlen(from);
93 	    fprintf(ofp, "\t{ %4u, %-*.*s },\t/* %s */\n",
94 		    code,
95 		    (int) maxlen, (int) maxlen,
96 		    to,
97 		    from);
98 	}
99     }
100 }
101 
102 static void
103 write_list(FILE *ofp, const char **list)
104 {
105     while (*list != 0)
106 	fprintf(ofp, "%s\n", *list++);
107 }
108 
109 int
110 main(int argc, char *argv[])
111 {
112     static const char *prefix[] =
113     {
114 	"#ifndef NCU_KEYS_H",
115 	"#define NCU_KEYS_H 1",
116 	"",
117 	"/* This file was generated by MAKE_KEYS */",
118 	"",
119 	"#if BROKEN_LINKER",
120 	"static",
121 	"#endif",
122 	"const struct tinfo_fkeys _nc_tinfo_fkeys[] = {",
123 	0
124     };
125     static const char *suffix[] =
126     {
127 	"\t{ 0, 0} };",
128 	"",
129 	"#endif /* NCU_KEYS_H */",
130 	0
131     };
132 
133     write_list(stdout, prefix);
134     if (argc > 1) {
135 	int n;
136 	for (n = 1; n < argc; n++) {
137 	    FILE *fp = fopen(argv[n], "r");
138 	    if (fp != 0) {
139 		make_keys(fp, stdout);
140 		fclose(fp);
141 	    }
142 	}
143     } else {
144 	make_keys(stdin, stdout);
145     }
146     write_list(stdout, suffix);
147     return EXIT_SUCCESS;
148 }
149