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 = mhbasename(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]", invo_name);
99 print_help(buf, switches, 1);
102 print_version(invo_name);
113 if (!(form = *argp++) || *form == '-')
114 adios(NULL, "missing argument to %s", argp[-2]);
118 if (!(format = *argp++) ||
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);
161 ** Get new format string. Must be before chdir().
163 nfs = new_fs(form, format, FORMAT);
166 ** We are scanning a maildrop file
170 adios(NULL, "\"msgs\" not allowed with -file");
172 adios(NULL, "\"+folder\" not allowed with -file");
174 /* check if "file" is really stdin */
175 if (strcmp(file, "-") == 0) {
179 if ((in = fopen(file, "r")) == NULL)
180 adios(file, "unable to open");
185 printf("FOLDER %s\t%s\n", file, dtimenow(1));
190 for (msgnum = 1; ; ++msgnum) {
191 state = scan(in, msgnum, -1, nfs, width, 0, 0,
192 hdrflag ? file : NULL, 0L, 1);
193 if (state != SCNMSG && state != SCNENC)
201 ** We are scanning a folder
205 app_msgarg(&msgs, "all");
207 folder = getfolder(FCUR);
208 maildir = m_maildir(folder);
210 if (chdir(maildir) == NOTOK)
211 adios(maildir, "unable to change directory to");
213 /* read folder and create message structure */
214 if (!(mp = folder_read(folder)))
215 adios(NULL, "unable to read folder %s", folder);
217 /* check for empty folder */
219 adios(NULL, "no messages in %s", folder);
221 /* parse all the message ranges/sequences and set SELECTED */
222 for (msgnum = 0; msgnum < msgs.size; msgnum++)
223 if (!m_convert(mp, msgs.msgs[msgnum]))
225 seq_setprev(mp); /* set the Previous-Sequence */
227 context_replace(pfolder, folder); /* update current folder */
228 seq_save(mp); /* synchronize message sequences */
229 context_save(); /* save the context file */
232 ** Get the sequence number for each sequence
233 ** specified by Unseen-Sequence
235 if ((cp = context_find(usequence)) && *cp) {
239 ap = brkstring(dp, " ", "\n");
240 for (i = 0; ap && *ap; i++, ap++)
241 seqnum[i] = seq_getnum(mp, *ap);
248 ontty = isatty(fileno(stdout));
252 fmt_current_folder = mp;
255 for (msgnum = revflag ? mp->hghsel : mp->lowsel;
256 (revflag ? msgnum >= mp->lowsel : msgnum <= mp->hghsel);
257 msgnum += (revflag ? -1 : 1)) {
258 if (is_selected(mp, msgnum)) {
259 if ((in = fopen(cp = m_name(msgnum), "r")) == NULL) {
263 admonish(cp, "unable to open message");
266 printf("%*d unreadable\n",
274 printf("FOLDER %s\t%s\n", folder, dtimenow(1));
279 ** Check if message is in any sequence given
280 ** by Unseen-Sequence profile entry.
283 for (i = 0; i < num_unseen_seq; i++) {
284 if (in_sequence(mp, seqnum[i], msgnum)) {
290 switch (state = scan(in, msgnum, 0, nfs, width,
291 msgnum == mp->curmsg, unseen,
299 adios(NULL, "scan() botch(%d)", state);
303 printf("%*d empty\n", DMAXFOLDER,
306 advise(NULL, "message %d: empty",
319 seq_save(mp); /* because formatsbr might have made changes */
322 folder_free(mp); /* free folder/message structure */