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, "-")!=0)
147 file = getcpy(expanddir(cp));
151 if (*cp == '+' || *cp == '@') {
153 adios(NULL, "only one folder at a time!");
155 folder = getcpy(expandfol(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) {
178 } else if (!(in = fopen(file, "r"))) {
179 adios(file, "unable to open");
184 printf("FOLDER %s\t%s\n", file, dtimenow(1));
189 for (msgnum = 1; ; ++msgnum) {
190 state = scan(in, msgnum, -1, nfs, width, 0, 0,
191 hdrflag ? file : NULL, 0L, 1);
192 if (state != SCNMSG && state != SCNENC)
200 ** We are scanning a folder
204 app_msgarg(&msgs, "all");
206 folder = getcurfol();
207 maildir = toabsdir(folder);
209 if (chdir(maildir) == NOTOK)
210 adios(maildir, "unable to change directory to");
212 /* read folder and create message structure */
213 if (!(mp = folder_read(folder)))
214 adios(NULL, "unable to read folder %s", folder);
216 /* check for empty folder */
218 adios(NULL, "no messages in %s", folder);
220 /* parse all the message ranges/sequences and set SELECTED */
221 for (msgnum = 0; msgnum < msgs.size; msgnum++)
222 if (!m_convert(mp, msgs.msgs[msgnum]))
224 seq_setprev(mp); /* set the Previous-Sequence */
226 context_replace(curfolder, folder); /* update current folder */
227 seq_save(mp); /* synchronize message sequences */
228 context_save(); /* save the context file */
231 ** Get the sequence number for each sequence
232 ** specified by Unseen-Sequence
234 if ((cp = context_find(usequence)) && *cp) {
238 ap = brkstring(dp, " ", "\n");
239 for (i = 0; ap && *ap; i++, ap++)
240 seqnum[i] = seq_getnum(mp, *ap);
247 ontty = isatty(fileno(stdout));
251 fmt_current_folder = mp;
254 for (msgnum = revflag ? mp->hghsel : mp->lowsel;
255 (revflag ? msgnum >= mp->lowsel : msgnum <= mp->hghsel);
256 msgnum += (revflag ? -1 : 1)) {
257 if (is_selected(mp, msgnum)) {
258 if ((in = fopen(cp = m_name(msgnum), "r")) == NULL) {
262 admonish(cp, "unable to open message");
265 printf("%*d unreadable\n",
273 printf("FOLDER %s\t%s\n", folder, dtimenow(1));
278 ** Check if message is in any sequence given
279 ** by Unseen-Sequence profile entry.
282 for (i = 0; i < num_unseen_seq; i++) {
283 if (in_sequence(mp, seqnum[i], msgnum)) {
289 switch (state = scan(in, msgnum, 0, nfs, width,
290 msgnum == mp->curmsg, unseen,
298 adios(NULL, "scan() botch(%d)", state);
302 printf("%*d empty\n", DMAXFOLDER,
305 advise(NULL, "message %d: empty",
318 seq_save(mp); /* because formatsbr might have made changes */
321 folder_free(mp); /* free folder/message structure */