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",
119 if (!(format = *argp++) || *format == '-')
120 adios(NULL, "missing argument to %s",
133 if (!(cp = *argp++) || *cp == '-')
134 adios(NULL, "missing argument to %s",
146 if (!(cp = *argp++) || (cp[0] == '-' && cp[1]))
147 adios(NULL, "missing argument to %s",
149 if (strcmp(file = cp, "-")!=0)
150 file = getcpy(expanddir(cp));
154 if (*cp == '+' || *cp == '@') {
156 adios(NULL, "only one folder at a time!");
158 folder = getcpy(expandfol(cp));
160 app_msgarg(&msgs, cp);
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) {
181 } else if (!(in = fopen(file, "r"))) {
182 adios(file, "unable to open");
187 printf("FOLDER %s\t%s\n", file, dtimenow(1));
192 for (msgnum = 1; ; ++msgnum) {
193 state = scan(in, msgnum, -1, nfs, width, 0, 0,
194 hdrflag ? file : NULL, 0L, 1);
195 if (state != SCNMSG && state != SCNENC)
203 ** We are scanning a folder
207 app_msgarg(&msgs, "all");
209 folder = getcurfol();
210 maildir = toabsdir(folder);
212 if (chdir(maildir) == NOTOK)
213 adios(maildir, "unable to change directory to");
215 /* read folder and create message structure */
216 if (!(mp = folder_read(folder)))
217 adios(NULL, "unable to read folder %s", folder);
219 /* check for empty folder */
221 adios(NULL, "no messages in %s", folder);
223 /* parse all the message ranges/sequences and set SELECTED */
224 for (msgnum = 0; msgnum < msgs.size; msgnum++)
225 if (!m_convert(mp, msgs.msgs[msgnum]))
227 seq_setprev(mp); /* set the Previous-Sequence */
229 context_replace(curfolder, folder); /* update current folder */
230 seq_save(mp); /* synchronize message sequences */
231 context_save(); /* save the context file */
234 ** Get the sequence number for each sequence
235 ** specified by Unseen-Sequence
237 if ((cp = context_find(usequence)) && *cp) {
241 ap = brkstring(dp, " ", "\n");
242 for (i = 0; ap && *ap; i++, ap++)
243 seqnum[i] = seq_getnum(mp, *ap);
250 ontty = isatty(fileno(stdout));
254 fmt_current_folder = mp;
257 for (msgnum = revflag ? mp->hghsel : mp->lowsel;
258 (revflag ? msgnum >= mp->lowsel : msgnum <= mp->hghsel);
259 msgnum += (revflag ? -1 : 1)) {
260 if (is_selected(mp, msgnum)) {
261 if ((in = fopen(cp = m_name(msgnum), "r")) == NULL) {
265 admonish(cp, "unable to open message");
268 printf("%*d unreadable\n",
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 */