+++ /dev/null
-
-/*
- * scan.c -- display a one-line "scan" listing of folder or messages
- *
- * $Id$
- *
- * 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/mts.h>
-#include <h/utils.h>
-#include <errno.h>
-
-/*
- * We allocate space for message names (msgs array)
- * this number of elements at a time.
- */
-#define MAXMSGS 256
-
-
-static struct swit switches[] = {
-#define CLRSW 0
- { "clear", 0 },
-#define NCLRSW 1
- { "noclear", 0 },
-#define FORMSW 2
- { "form formatfile", 0 },
-#define FMTSW 3
- { "format string", 5 },
-#define HEADSW 4
- { "header", 0 },
-#define NHEADSW 5
- { "noheader", 0 },
-#define WIDTHSW 6
- { "width columns", 0 },
-#define REVSW 7
- { "reverse", 0 },
-#define NREVSW 8
- { "noreverse", 0 },
-#define FILESW 9
- { "file file", 4 },
-#define VERSIONSW 10
- { "version", 0 },
-#define HELPSW 11
- { "help", 0 },
- { NULL, 0 }
-};
-
-
-/*
- * global for sbr/formatsbr.c - yech!
- */
-#ifdef LBL
-extern struct msgs *fmt_current_folder;
-#endif
-
-/*
- * prototypes
- */
-void clear_screen(void); /* from termsbr.c */
-
-
-int
-main (int argc, char **argv)
-{
- int clearflag = 0, hdrflag = 0, ontty;
- int width = 0, revflag = 0;
- int i, state, msgnum, nummsgs, maxmsgs;
- int seqnum[NUMATTRS], unseen, num_unseen_seq = 0;
- char *cp, *maildir, *file = NULL, *folder = NULL;
- char *form = NULL, *format = NULL, buf[BUFSIZ];
- char **argp, *nfs, **arguments, **msgs;
- struct msgs *mp;
- FILE *in;
-
-#ifdef LOCALE
- setlocale(LC_ALL, "");
-#endif
- invo_name = r1bindex (argv[0], '/');
-
- /* read user profile/context */
- context_read();
-
- mts_init (invo_name);
- arguments = getarguments (invo_name, argc, argv, 1);
- argp = arguments;
-
- /*
- * Allocate the initial space to record message
- * names, ranges, and sequences.
- */
- nummsgs = 0;
- maxmsgs = MAXMSGS;
- msgs = (char **) mh_xmalloc ((size_t) (maxmsgs * sizeof(*msgs)));
-
- /*
- * Parse arguments
- */
- while ((cp = *argp++)) {
- if (*cp == '-') {
- switch (smatch (++cp, switches)) {
- case AMBIGSW:
- ambigsw (cp, switches);
- done (1);
- case UNKWNSW:
- adios (NULL, "-%s unknown", cp);
-
- case HELPSW:
- snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
- invo_name);
- print_help (buf, switches, 1);
- done (1);
- case VERSIONSW:
- print_version(invo_name);
- done (1);
-
- case CLRSW:
- clearflag++;
- continue;
- case NCLRSW:
- clearflag = 0;
- continue;
-
- case FORMSW:
- if (!(form = *argp++) || *form == '-')
- adios (NULL, "missing argument to %s", argp[-2]);
- format = NULL;
- continue;
- case FMTSW:
- if (!(format = *argp++) || *format == '-')
- adios (NULL, "missing argument to %s", argp[-2]);
- form = NULL;
- continue;
-
- case HEADSW:
- hdrflag++;
- continue;
- case NHEADSW:
- hdrflag = 0;
- continue;
-
- case WIDTHSW:
- if (!(cp = *argp++) || *cp == '-')
- adios (NULL, "missing argument to %s", argp[-2]);
- width = atoi (cp);
- continue;
- case REVSW:
- revflag++;
- continue;
- case NREVSW:
- revflag = 0;
- continue;
-
- case FILESW:
- if (!(cp = *argp++) || (cp[0] == '-' && cp[1]))
- adios (NULL, "missing argument to %s", argp[-2]);
- if (strcmp (file = cp, "-"))
- file = path (cp, TFILE);
- continue;
- }
- }
- if (*cp == '+' || *cp == '@') {
- if (folder)
- adios (NULL, "only one folder at a time!");
- else
- folder = path (cp + 1, *cp == '+' ? TFOLDER : TSUBCWF);
- } else {
- /*
- * Check if we need to allocate more space
- * for message names/ranges/sequences.
- */
- if (nummsgs >= maxmsgs) {
- maxmsgs += MAXMSGS;
- if (!(msgs = (char **) realloc (msgs,
- (size_t) (maxmsgs * sizeof(*msgs)))))
- adios (NULL, "unable to reallocate msgs storage");
- }
- msgs[nummsgs++] = cp;
- }
- }
-
- if (!context_find ("path"))
- free (path ("./", TFOLDER));
-
- /*
- * Get new format string. Must be before chdir().
- */
- nfs = new_fs (form, format, FORMAT);
-
- /*
- * We are scanning a maildrop file
- */
- if (file) {
- if (nummsgs)
- adios (NULL, "\"msgs\" not allowed with -file");
- if (folder)
- adios (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")) == NULL)
- adios (file, "unable to open");
- }
-
-#ifndef JLR
- if (hdrflag) {
- printf ("FOLDER %s\t%s\n", file, dtimenow (1));
- }
-#endif /* JLR */
-
- m_unknown (in);
- for (msgnum = 1; ; ++msgnum) {
- state = scan (in, msgnum, -1, nfs, width, 0, 0,
- hdrflag ? file : NULL, 0L, 1);
- if (state != SCNMSG && state != SCNENC)
- break;
- }
- fclose (in);
- done (0);
- }
-
- /*
- * We are scanning a folder
- */
-
- if (!nummsgs)
- msgs[nummsgs++] = "all";
- if (!folder)
- folder = getfolder (1);
- maildir = m_maildir (folder);
-
- if (chdir (maildir) == NOTOK)
- adios (maildir, "unable to change directory to");
-
- /* read folder and create message structure */
- if (!(mp = folder_read (folder)))
- adios (NULL, "unable to read folder %s", folder);
-
- /* check for empty folder */
- if (mp->nummsg == 0)
- adios (NULL, "no messages in %s", folder);
-
- /* parse all the message ranges/sequences and set SELECTED */
- for (msgnum = 0; msgnum < nummsgs; msgnum++)
- if (!m_convert (mp, msgs[msgnum]))
- done(1);
- seq_setprev (mp); /* set the Previous-Sequence */
-
- context_replace (pfolder, folder); /* update current folder */
- seq_save (mp); /* synchronize message sequences */
- context_save (); /* save the context file */
-
- /*
- * Get the sequence number for each sequence
- * specified by Unseen-Sequence
- */
- if ((cp = context_find (usequence)) && *cp) {
- char **ap, *dp;
-
- dp = getcpy(cp);
- ap = brkstring (dp, " ", "\n");
- for (i = 0; ap && *ap; i++, ap++)
- seqnum[i] = seq_getnum (mp, *ap);
-
- num_unseen_seq = i;
- if (dp)
- free(dp);
- }
-
- ontty = isatty (fileno (stdout));
-
-#ifdef LBL
- else
- fmt_current_folder = mp;
-#endif
-
- for (msgnum = revflag ? mp->hghsel : mp->lowsel;
- (revflag ? msgnum >= mp->lowsel : msgnum <= mp->hghsel);
- msgnum += (revflag ? -1 : 1)) {
- if (is_selected(mp, msgnum)) {
- if ((in = fopen (cp = m_name (msgnum), "r")) == NULL) {
-#if 0
- if (errno != EACCES)
-#endif
- admonish (cp, "unable to open message");
-#if 0
- else
- printf ("%*d unreadable\n", DMAXFOLDER, msgnum);
-#endif
- continue;
- }
-
-#ifndef JLR
- if (hdrflag) {
- printf ("FOLDER %s\t%s\n", folder, dtimenow(1));
- }
-#endif /* JLR */
-
- /*
- * 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, 0, nfs, width,
- msgnum == mp->curmsg, unseen,
- folder, 0L, 1)) {
- case SCNMSG:
- case SCNENC:
- case SCNERR:
- break;
-
- default:
- adios (NULL, "scan() botch (%d)", state);
-
- case SCNEOF:
-#if 0
- printf ("%*d empty\n", DMAXFOLDER, msgnum);
-#else
- advise (NULL, "message %d: empty", msgnum);
-#endif
- break;
- }
- hdrflag = 0;
- fclose (in);
- if (ontty)
- fflush (stdout);
- }
- }
-
-#ifdef LBL
- seq_save (mp); /* because formatsbr might have made changes */
-#endif
-
- folder_free (mp); /* free folder/message structure */
- if (clearflag)
- clear_screen ();
-
- return done (0);
-}