xroff.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 "xroff.h"
  12
  13 static void g_init(void)
  14 {
  15         n_o = SC_IN;
  16         n_p = SC_IN * 11;
  17 }
  18
  19 static void compile(void)
  20 {
  21         out("s%d\n", n_s);
  22         out("f%d\n", n_f);
  23         render();
  24         out("V%d\n", n_p);
  25 }
  26
  27 void errmsg(char *fmt, ...)
  28 {
  29         va_list ap;
  30         va_start(ap, fmt);
  31         vfprintf(stderr, fmt, ap);
  32         va_end(ap);
  33 }
  34
  35 int main(int argc, char **argv)
  36 {
  37         int i;
  38         char path[PATHLEN];
  39         dev_open(TROFFROOT "/font/devutf");
  40         env_init();
  41         tr_init();
  42         g_init();
  43         for (i = 1; i < argc; i++) {
  44                 if (argv[i][0] != '-' || !argv[i][0])
  45                         break;
  46                 if (argv[i][1] == 'm') {
  47                         sprintf(path, TROFFROOT "/tmac/tmac.%s", argv[i] + 2);
  48                         in_queue(path);
  49                 }
  50         }
  51         if (i == argc)
  52                 in_queue(NULL); /* reading from standard input */
  53         for (; i < argc; i++)
  54                 in_queue(!strcmp("-", argv[i]) ? NULL : argv[i]);
  55         str_set(REG('.', 'P'), TROFFROOT);
  56         compile();
  57         env_free();
  58         dev_close();
  59         return 0;
  60 }