ncurses 4.2
[ncurses.git] / ncurses / make_keys.c
1 /****************************************************************************
2  * Copyright (c) 1998 Free Software Foundation, Inc.                        *
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11  *                                                                          *
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27  ****************************************************************************/
28
29 /****************************************************************************
30  *  Author: Thomas E. Dickey <dickey@clark.net> 1997                        *
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 #include <curses.priv.h>
39
40 MODULE_ID("$Id: make_keys.c,v 1.4 1998/02/11 12:13:57 tom Exp $")
41
42 #include <names.c>
43
44 #define UNKNOWN (SIZEOF(strnames) + SIZEOF(strfnames))
45
46 static size_t lookup(const char *name)
47 {
48         size_t n;
49         bool found = FALSE;
50         for (n = 0; strnames[n] != 0; n++) {
51                 if (!strcmp(name, strnames[n])) {
52                         found = TRUE;
53                         break;
54                 }
55         }
56         if (!found) {
57                 for (n = 0; strfnames[n] != 0; n++) {
58                         if (!strcmp(name, strfnames[n])) {
59                                 found = TRUE;
60                                 break;
61                         }
62                 }
63         }
64         return found ? n : UNKNOWN;
65 }
66
67 static void make_keys(FILE *ifp, FILE *ofp)
68 {
69         char buffer[BUFSIZ];
70         char from[BUFSIZ];
71         char to[BUFSIZ];
72         int maxlen = 16;
73
74         while (fgets(buffer, sizeof(buffer), ifp) != 0) {
75                 if (*buffer == '#')
76                         continue;
77                 if (sscanf(buffer, "%s %s", to, from) == 2) {
78                         int code = lookup(from);
79                         if (code == UNKNOWN)
80                                 continue;
81                         if ((int)strlen(from) > maxlen)
82                                 maxlen = strlen(from);
83                         fprintf(ofp, "\t{ %4d, %-*.*s },\t/* %s */\n",
84                                 code,
85                                 maxlen, maxlen,
86                                 to,
87                                 from);
88                 }
89         }
90 }
91
92 static void write_list(FILE *ofp, const char **list)
93 {
94         while (*list != 0)
95                 fprintf(ofp, "%s\n", *list++);
96 }
97
98 int main(int argc, char *argv[])
99 {
100         static const char *prefix[] = {
101                 "#ifndef NCU_KEYS_H",
102                 "#define NCU_KEYS_H 1",
103                 "",
104                 "/* This file was generated by MAKE_KEYS */",
105                 "",
106                 "static const struct {",
107                 "\tunsigned offset;",
108                 "\tchtype code;",
109                 "} table[] = {",
110                 0
111         };
112         static const char *suffix[] = {
113                 "};",
114                 "",
115                 "#endif /* NCU_KEYS_H */",
116                 0
117         };
118
119         write_list(stdout, prefix);
120         if (argc > 1) {
121                 int n;
122                 for (n = 1; n < argc; n++) {
123                         FILE *fp = fopen(argv[n], "r");
124                         if (fp != 0) {
125                                 make_keys(fp, stdout);
126                                 fclose(fp);
127                         }
128                 }
129         } else {
130                 make_keys(stdin, stdout);
131         }
132         write_list(stdout, suffix);
133         return EXIT_SUCCESS;
134 }