sys/src/cmd/htmlfmt/main.c

   1 #include <u.h>
   2 #include <libc.h>
   3 #include <bio.h>
   4 #include <draw.h>
   5 #include <html.h>
   6 #include "dat.h"
   7
   8 char *url = "";
   9 int aflag;
  10 int width = 70;
  11 int defcharset;
  12
  13 void
  14 usage(void)
  15 {
  16         fprint(2, "usage: htmlfmt [-c charset] [-u URL] [-a] [-l length] [file ...]\n");
  17         exits("usage");
  18 }
  19
  20 void
  21 main(int argc, char *argv[])
  22 {
  23         int i, fd;
  24         char *p, *err, *file;
  25         char errbuf[ERRMAX];
  26
  27         ARGBEGIN{
  28         case 'a':
  29                 aflag++;
  30                 break;
  31         case 'c':
  32                 p = smprint("<meta charset=\"%s\">", EARGF(usage()));
  33                 defcharset = charset(p);
  34                 free(p);
  35                 break;
  36         case 'l': case 'w':
  37                 err = EARGF(usage());
  38                 width = atoi(err);
  39                 if(width <= 0)
  40                         usage();
  41                 break;
  42         case 'u':
  43                 url = EARGF(usage());
  44                 aflag++;
  45                 break;
  46         default:
  47                 usage();
  48         }ARGEND
  49
  50         err = nil;
  51         file = "<stdin>";
  52         if(argc == 0)
  53                 err = loadhtml(0);
  54         else
  55                 for(i=0; err==nil && i<argc; i++){
  56                         file = argv[i];
  57                         fd = open(file, OREAD);
  58                         if(fd < 0){
  59                                 errstr(errbuf, sizeof errbuf);
  60                                 err = errbuf;
  61                                 break;
  62                         }
  63                         err = loadhtml(fd);
  64                         close(fd);
  65                         if(err)
  66                                 break;
  67                 }
  68         if(err)
  69                 fprint(2, "htmlfmt: processing %s: %s\n", file, err);
  70         exits(err);
  71 }