3 * dp.c -- parse dates 822-style
9 #include <h/fmt_scan.h>
10 #include <zotnet/tws/tws.h>
15 #define WBUFSIZ BUFSIZ
17 #define FORMAT "%<(nodate{text})error: %{text}%|%(putstr(pretty{text}))%>"
19 static struct swit switches[] = {
21 { "form formatfile", 0 },
23 { "format string", 5 },
25 { "width columns", 0 },
33 static struct format *fmt;
40 int sc_width (void); /* from termsbr.c */
45 static int process (char *, int);
49 main (int argc, char **argv)
51 int datep = 0, width = 0, status = 0;
52 char *cp, *form = NULL, *format = NULL, *nfs;
53 char buf[BUFSIZ], **argp, **arguments;
57 setlocale(LC_ALL, "");
59 invo_name = r1bindex (argv[0], '/');
61 /* read user profile/context */
64 arguments = getarguments (invo_name, argc, argv, 1);
67 while ((cp = *argp++)) {
69 switch (smatch (++cp, switches)) {
71 ambigsw (cp, switches);
74 adios (NULL, "-%s unknown", cp);
77 snprintf (buf, sizeof(buf), "%s [switches] dates ...",
79 print_help (buf, switches, 1);
82 print_version(invo_name);
86 if (!(form = *argp++) || *form == '-')
87 adios (NULL, "missing argument to %s", argp[-2]);
91 if (!(format = *argp++) || *format == '-')
92 adios (NULL, "missing argument to %s", argp[-2]);
97 if (!(cp = *argp++) || *cp == '-')
98 adios (NULL, "missing argument to %s", argp[-2]);
104 adios (NULL, "more than %d dates", NDATES);
111 adios (NULL, "usage: %s [switches] dates ...", invo_name);
113 /* get new format string */
114 nfs = new_fs (form, format, FORMAT);
117 if ((width = sc_width ()) < WIDTH / 2)
123 fmt_compile (nfs, &fmt);
131 for (datep = 0; dates[datep]; datep++)
132 status += process (dates[datep], width);
134 context_save (); /* save the context file */
135 return done (status);
140 process (char *date, int length)
143 char buffer[WBUFSIZ + 1];
144 register struct comp *cptr;
146 FINDCOMP (cptr, "text");
149 fmt_scan (fmt, buffer, length, dat);
150 fputs (buffer, stdout);