roff.c

   1 /*
   2  * neatroff troff clone
   3  *
   4  * Copyright (C) 2012-2013 Ali Gholami Rudi <ali at rudi dot ir>
   5  *
   6  * This program is released under the modified BSD license.
   7  */
   8 #include <stdarg.h>
   9 #include <stdio.h>
  10 #include <string.h>
  11 #include "roff.h"
  12
  13 static void g_init(void)
  14 {
  15         n_o = SC_IN;
  16         n_p = SC_IN * 11;
  17         n_lg = 1;
  18         n_kn = 0;
  19 }
  20
  21 void errmsg(char *fmt, ...)
  22 {
  23         va_list ap;
  24         va_start(ap, fmt);
  25         vfprintf(stderr, fmt, ap);
  26         va_end(ap);
  27 }
  28
  29 int main(int argc, char **argv)
  30 {
  31         int i;
  32         char path[PATHLEN];
  33         int ret;
  34         dev_open(TROFFROOT "/font/devutf");
  35         env_init();
  36         tr_init();
  37         g_init();
  38         for (i = 1; i < argc; i++) {
  39                 if (argv[i][0] != '-' || !argv[i][0])
  40                         break;
  41                 if (argv[i][1] == 'C')
  42                         n_cp = 1;
  43                 if (argv[i][1] == 'm') {
  44                         sprintf(path, TROFFROOT "/tmac/tmac.%s", argv[i] + 2);
  45                         in_queue(path);
  46                 }
  47         }
  48         if (i == argc)
  49                 in_queue(NULL); /* reading from standard input */
  50         for (; i < argc; i++)
  51                 in_queue(!strcmp("-", argv[i]) ? NULL : argv[i]);
  52         str_set(REG('.', 'P'), TROFFROOT);
  53         out("s%d\n", n_s);
  54         out("f%d\n", n_f);
  55         ret = render();
  56         out("V%d\n", n_p);
  57         env_done();
  58         dev_close();
  59         return ret;
  60 }