2 * scan.c -- display a one-line "scan" listing of folder or messages
4 * This code is Copyright (c) 2002, by the authors of nmh. See the
5 * COPYRIGHT file in the root directory of the nmh distribution for
6 * complete copyright information.
10 #include <h/fmt_scan.h>
11 #include <h/scansbr.h>
17 static struct swit switches[] = {
23 { "form formatfile", 0 },
25 { "format string", 5 },
31 { "width columns", 0 },
47 * global for sbr/formatsbr.c - yech!
50 extern struct msgs *fmt_current_folder;
56 void clear_screen(void); /* from termsbr.c */
60 main (int argc, char **argv)
62 int clearflag = 0, hdrflag = 0, ontty;
63 int width = 0, revflag = 0;
65 int seqnum[NUMATTRS], unseen, num_unseen_seq = 0;
66 char *cp, *maildir, *file = NULL, *folder = NULL;
67 char *form = NULL, *format = NULL, buf[BUFSIZ];
68 char **argp, *nfs, **arguments;
69 struct msgs_array msgs = { 0, 0, NULL };
74 setlocale(LC_ALL, "");
76 invo_name = r1bindex (argv[0], '/');
78 /* read user profile/context */
82 arguments = getarguments (invo_name, argc, argv, 1);
88 while ((cp = *argp++)) {
90 switch (smatch (++cp, switches)) {
92 ambigsw (cp, switches);
95 adios (NULL, "-%s unknown", cp);
98 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
100 print_help (buf, switches, 1);
103 print_version(invo_name);
114 if (!(form = *argp++) || *form == '-')
115 adios (NULL, "missing argument to %s", argp[-2]);
119 if (!(format = *argp++) || *format == '-')
120 adios (NULL, "missing argument to %s", argp[-2]);
132 if (!(cp = *argp++) || *cp == '-')
133 adios (NULL, "missing argument to %s", argp[-2]);
144 if (!(cp = *argp++) || (cp[0] == '-' && cp[1]))
145 adios (NULL, "missing argument to %s", argp[-2]);
146 if (strcmp (file = cp, "-"))
147 file = path (cp, TFILE);
151 if (*cp == '+' || *cp == '@') {
153 adios (NULL, "only one folder at a time!");
155 folder = pluspath (cp);
157 app_msgarg(&msgs, cp);
160 if (!context_find ("path"))
161 free (path ("./", TFOLDER));
164 * Get new format string. Must be before chdir().
166 nfs = new_fs (form, format, FORMAT);
169 * We are scanning a maildrop file
173 adios (NULL, "\"msgs\" not allowed with -file");
175 adios (NULL, "\"+folder\" not allowed with -file");
177 /* check if "file" is really stdin */
178 if (strcmp (file, "-") == 0) {
182 if ((in = fopen (file, "r")) == NULL)
183 adios (file, "unable to open");
188 printf ("FOLDER %s\t%s\n", file, dtimenow (1));
193 for (msgnum = 1; ; ++msgnum) {
194 state = scan (in, msgnum, -1, nfs, width, 0, 0,
195 hdrflag ? file : NULL, 0L, 1);
196 if (state != SCNMSG && state != SCNENC)
204 * We are scanning a folder
208 app_msgarg(&msgs, "all");
210 folder = getfolder (1);
211 maildir = m_maildir (folder);
213 if (chdir (maildir) == NOTOK)
214 adios (maildir, "unable to change directory to");
216 /* read folder and create message structure */
217 if (!(mp = folder_read (folder)))
218 adios (NULL, "unable to read folder %s", folder);
220 /* check for empty folder */
222 adios (NULL, "no messages in %s", folder);
224 /* parse all the message ranges/sequences and set SELECTED */
225 for (msgnum = 0; msgnum < msgs.size; msgnum++)
226 if (!m_convert (mp, msgs.msgs[msgnum]))
228 seq_setprev (mp); /* set the Previous-Sequence */
230 context_replace (pfolder, folder); /* update current folder */
231 seq_save (mp); /* synchronize message sequences */
232 context_save (); /* save the context file */
235 * Get the sequence number for each sequence
236 * specified by Unseen-Sequence
238 if ((cp = context_find (usequence)) && *cp) {
242 ap = brkstring (dp, " ", "\n");
243 for (i = 0; ap && *ap; i++, ap++)
244 seqnum[i] = seq_getnum (mp, *ap);
251 ontty = isatty (fileno (stdout));
255 fmt_current_folder = mp;
258 for (msgnum = revflag ? mp->hghsel : mp->lowsel;
259 (revflag ? msgnum >= mp->lowsel : msgnum <= mp->hghsel);
260 msgnum += (revflag ? -1 : 1)) {
261 if (is_selected(mp, msgnum)) {
262 if ((in = fopen (cp = m_name (msgnum), "r")) == NULL) {
266 admonish (cp, "unable to open message");
269 printf ("%*d unreadable\n", DMAXFOLDER, msgnum);
276 printf ("FOLDER %s\t%s\n", folder, dtimenow(1));
281 * Check if message is in any sequence given
282 * by Unseen-Sequence profile entry.
285 for (i = 0; i < num_unseen_seq; i++) {
286 if (in_sequence(mp, seqnum[i], msgnum)) {
292 switch (state = scan (in, msgnum, 0, nfs, width,
293 msgnum == mp->curmsg, unseen,
301 adios (NULL, "scan() botch (%d)", state);
305 printf ("%*d empty\n", DMAXFOLDER, msgnum);
307 advise (NULL, "message %d: empty", msgnum);
319 seq_save (mp); /* because formatsbr might have made changes */
322 folder_free (mp); /* free folder/message structure */