ncurses/tinfo/make_keys.c

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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 }