3 * scan.c -- display a one-line "scan" listing of folder or messages
5 * This code is Copyright (c) 2002, by the authors of nmh. See the
6 * COPYRIGHT file in the root directory of the nmh distribution for
7 * complete copyright information.
11 #include <h/fmt_scan.h>
12 #include <h/scansbr.h>
18 static struct swit switches[] = {
24 { "form formatfile", 0 },
26 { "format string", 5 },
32 { "width columns", 0 },
48 * global for sbr/formatsbr.c - yech!
51 extern struct msgs *fmt_current_folder;
57 void clear_screen(void); /* from termsbr.c */
61 main (int argc, char **argv)
63 int clearflag = 0, hdrflag = 0, ontty;
64 int width = 0, revflag = 0;
66 int seqnum[NUMATTRS], unseen, num_unseen_seq = 0;
67 char *cp, *maildir, *file = NULL, *folder = NULL;
68 char *form = NULL, *format = NULL, buf[BUFSIZ];
69 char **argp, *nfs, **arguments;
70 struct msgs_array msgs = { 0, 0, NULL };
75 setlocale(LC_ALL, "");
77 invo_name = r1bindex (argv[0], '/');
79 /* read user profile/context */
83 arguments = getarguments (invo_name, argc, argv, 1);
89 while ((cp = *argp++)) {
91 switch (smatch (++cp, switches)) {
93 ambigsw (cp, switches);
96 adios (NULL, "-%s unknown", cp);
99 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
101 print_help (buf, switches, 1);
104 print_version(invo_name);
115 if (!(form = *argp++) || *form == '-')
116 adios (NULL, "missing argument to %s", argp[-2]);
120 if (!(format = *argp++) || *format == '-')
121 adios (NULL, "missing argument to %s", argp[-2]);
133 if (!(cp = *argp++) || *cp == '-')
134 adios (NULL, "missing argument to %s", argp[-2]);
145 if (!(cp = *argp++) || (cp[0] == '-' && cp[1]))
146 adios (NULL, "missing argument to %s", argp[-2]);
147 if (strcmp (file = cp, "-"))
148 file = path (cp, TFILE);
152 if (*cp == '+' || *cp == '@') {
154 adios (NULL, "only one folder at a time!");
156 folder = pluspath (cp);
158 app_msgarg(&msgs, cp);
161 if (!context_find ("path"))
162 free (path ("./", TFOLDER));
165 * Get new format string. Must be before chdir().
167 nfs = new_fs (form, format, FORMAT);
170 * We are scanning a maildrop file
174 adios (NULL, "\"msgs\" not allowed with -file");
176 adios (NULL, "\"+folder\" not allowed with -file");
178 /* check if "file" is really stdin */
179 if (strcmp (file, "-") == 0) {
183 if ((in = fopen (file, "r")) == NULL)
184 adios (file, "unable to open");
189 printf ("FOLDER %s\t%s\n", file, dtimenow (1));
194 for (msgnum = 1; ; ++msgnum) {
195 state = scan (in, msgnum, -1, nfs, width, 0, 0,
196 hdrflag ? file : NULL, 0L, 1);
197 if (state != SCNMSG && state != SCNENC)
205 * We are scanning a folder
209 app_msgarg(&msgs, "all");
211 folder = getfolder (1);
212 maildir = m_maildir (folder);
214 if (chdir (maildir) == NOTOK)
215 adios (maildir, "unable to change directory to");
217 /* read folder and create message structure */
218 if (!(mp = folder_read (folder)))
219 adios (NULL, "unable to read folder %s", folder);
221 /* check for empty folder */
223 adios (NULL, "no messages in %s", folder);
225 /* parse all the message ranges/sequences and set SELECTED */
226 for (msgnum = 0; msgnum < msgs.size; msgnum++)
227 if (!m_convert (mp, msgs.msgs[msgnum]))
229 seq_setprev (mp); /* set the Previous-Sequence */
231 context_replace (pfolder, folder); /* update current folder */
232 seq_save (mp); /* synchronize message sequences */
233 context_save (); /* save the context file */
236 * Get the sequence number for each sequence
237 * specified by Unseen-Sequence
239 if ((cp = context_find (usequence)) && *cp) {
243 ap = brkstring (dp, " ", "\n");
244 for (i = 0; ap && *ap; i++, ap++)
245 seqnum[i] = seq_getnum (mp, *ap);
252 ontty = isatty (fileno (stdout));
256 fmt_current_folder = mp;
259 for (msgnum = revflag ? mp->hghsel : mp->lowsel;
260 (revflag ? msgnum >= mp->lowsel : msgnum <= mp->hghsel);
261 msgnum += (revflag ? -1 : 1)) {
262 if (is_selected(mp, msgnum)) {
263 if ((in = fopen (cp = m_name (msgnum), "r")) == NULL) {
267 admonish (cp, "unable to open message");
270 printf ("%*d unreadable\n", DMAXFOLDER, msgnum);
277 printf ("FOLDER %s\t%s\n", folder, dtimenow(1));
282 * Check if message is in any sequence given
283 * by Unseen-Sequence profile entry.
286 for (i = 0; i < num_unseen_seq; i++) {
287 if (in_sequence(mp, seqnum[i], msgnum)) {
293 switch (state = scan (in, msgnum, 0, nfs, width,
294 msgnum == mp->curmsg, unseen,
302 adios (NULL, "scan() botch (%d)", state);
306 printf ("%*d empty\n", DMAXFOLDER, msgnum);
308 advise (NULL, "message %d: empty", msgnum);
320 seq_save (mp); /* because formatsbr might have made changes */
323 folder_free (mp); /* free folder/message structure */