-/*
-** scan.c -- display a one-line "scan" listing of folder or messages
-**
-** This code is Copyright (c) 2002, by the authors of nmh. See the
-** COPYRIGHT file in the root directory of the nmh distribution for
-** complete copyright information.
-*/
-
-#include <h/mh.h>
-#include <h/fmt_scan.h>
-#include <h/scansbr.h>
-#include <h/tws.h>
-#include <h/utils.h>
-#include <errno.h>
-#include <unistd.h>
-#include <locale.h>
-#include <sysexits.h>
-
-static struct swit switches[] = {
-#define FORMSW 0
- { "form formatfile", 0 },
-#define WIDTHSW 1
- { "width columns", 0 },
-#define FILESW 2
- { "file file", 0 },
-#define VERSIONSW 3
- { "Version", 0 },
-#define HELPSW 4
- { "help", 0 },
- { NULL, 0 }
-};
-
-char *version=VERSION;
-
-int
-main(int argc, char **argv)
-{
- int width = 0;
- int i, state, msgnum;
- int seqnum[NUMATTRS], unseen, num_unseen_seq = 0;
- char *cp, *maildir, *file = NULL, *folder = NULL;
- char *form = NULL, buf[BUFSIZ];
- char **argp, *fmtstr, **arguments;
- struct msgs_array msgs = { 0, 0, NULL };
- struct msgs *mp;
- FILE *in;
-
- setlocale(LC_ALL, "");
- invo_name = mhbasename(argv[0]);
-
- /* read user profile/context */
- context_read();
-
- arguments = getarguments(invo_name, argc, argv, 1);
- argp = arguments;
-
- /*
- ** Parse arguments
- */
- while ((cp = *argp++)) {
- if (*cp == '-') {
- switch (smatch(++cp, switches)) {
- case AMBIGSW:
- ambigsw(cp, switches);
- exit(EX_USAGE);
- case UNKWNSW:
- adios(EX_USAGE, NULL, "-%s unknown", cp);
-
- case HELPSW:
- snprintf(buf, sizeof(buf), "%s [+folder] [msgs] [switches]", invo_name);
- print_help(buf, switches, 1);
- exit(argc == 2 ? EX_OK : EX_USAGE);
- case VERSIONSW:
- print_version(invo_name);
- exit(argc == 2 ? EX_OK : EX_USAGE);
-
- case FORMSW:
- if (!(form = *argp++) || *form == '-')
- adios(EX_USAGE, NULL, "missing argument to %s",
- argp[-2]);
- continue;
-
- case WIDTHSW:
- if (!(cp = *argp++) || *cp == '-')
- adios(EX_USAGE, NULL, "missing argument to %s",
- argp[-2]);
- width = atoi(cp);
- continue;
-
- case FILESW:
- if (!(cp = *argp++) || (cp[0] == '-' && cp[1]))
- adios(EX_USAGE, NULL, "missing argument to %s",
- argp[-2]);
- if (strcmp(file = cp, "-")!=0)
- file = mh_xstrdup(expanddir(cp));
- continue;
- }
- }
- if (*cp == '+' || *cp == '@') {
- if (folder)
- adios(EX_USAGE, NULL, "only one folder at a time!");
- else
- folder = mh_xstrdup(expandfol(cp));
- } else
- app_msgarg(&msgs, cp);
- }
-
- /* Set format string. Must be before chdir(). */
- fmtstr = new_fs(form, scanformat);
-
- /*
- ** We are scanning a maildrop file
- */
- if (file) {
- if (msgs.size)
- adios(EX_USAGE, NULL, "\"msgs\" not allowed with -file");
- if (folder)
- adios(EX_USAGE, NULL, "\"+folder\" not allowed with -file");
-
- /* check if "file" is really stdin */
- if (strcmp(file, "-") == 0) {
- in = stdin;
- file = "stdin";
- } else if (!(in = fopen(file, "r"))) {
- adios(EX_IOERR, file, "unable to open");
- }
-
- for (msgnum = 1; ; ++msgnum) {
- state = scan(in, msgnum, SCN_MBOX, fmtstr, width, 0, 0);
- if (state != SCNMSG)
- break;
- }
- fclose(in);
- exit(EX_OK);
- }
-
- /*
- ** We are scanning a folder
- */
-
- if (!msgs.size)
- app_msgarg(&msgs, seq_all);
- if (!folder)
- folder = getcurfol();
- maildir = toabsdir(folder);
-
- if (chdir(maildir) == NOTOK)
- adios(EX_OSERR, maildir, "unable to change directory to");
-
- if (!(mp = folder_read(folder)))
- adios(EX_IOERR, NULL, "unable to read folder %s", folder);
-
- /* check for empty folder */
- if (mp->nummsg == 0)
- adios(EX_DATAERR, NULL, "no messages in %s", folder);
-
- /* parse all the message ranges/sequences and set SELECTED */
- for (msgnum = 0; msgnum < msgs.size; msgnum++)
- if (!m_convert(mp, msgs.msgs[msgnum]))
- exit(EX_USAGE);
- seq_setprev(mp);
-
- context_replace(curfolder, folder);
- seq_save(mp);
- context_save();
-
- /*
- ** Get the sequence number for each `unseen' sequence
- */
- if (!(cp = context_find(usequence))) {
- cp = seq_unseen; /* use default, if not set */
- }
- if (*cp) {
- char **ap, *dp;
-
- dp = mh_xstrdup(cp);
- ap = brkstring(dp, " ", "\n");
- for (i = 0; ap && *ap; i++, ap++) {
- seqnum[i] = seq_getnum(mp, *ap);
- }
- num_unseen_seq = i;
- if (dp) {
- mh_free0(&dp);
- }
- }
-
- for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
- if (!is_selected(mp, msgnum)) {
- continue;
- }
-
- if ((in = fopen(cp = m_name(msgnum), "r")) == NULL) {
- admonish(cp, "unable to open message");
- continue;
- }
-
- /*
- ** Check if message is in any sequence given
- ** by Unseen-Sequence profile entry.
- */
- unseen = 0;
- for (i = 0; i < num_unseen_seq; i++) {
- if (in_sequence(mp, seqnum[i], msgnum)) {
- unseen = 1;
- break;
- }
- }
-
- switch (state = scan(in, msgnum, SCN_FOLD, fmtstr,
- width, msgnum==mp->curmsg, unseen)) {
- case SCNMSG:
- case SCNERR:
- break;
-
- default:
- adios(EX_SOFTWARE, NULL, "scan() botch(%d)", state);
-
- case SCNEOF:
- advise(NULL, "message %d: empty", msgnum);
- break;
- }
- fclose(in);
- }
- folder_free(mp);
-
- return 0;
-}
projects / mmh / blobdiff