diplodocus.org Git - nmh/blob - uip/refile.c

   1
   2 /*
   3  * refile.c -- move or link message(s) from a source folder
   4  *          -- into one or more destination folders
   5  *
   6  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   7  * COPYRIGHT file in the root directory of the nmh distribution for
   8  * complete copyright information.
   9  */
  10
  11 #include <h/mh.h>
  12 #include <h/utils.h>
  13 #include <fcntl.h>
  14
  15 #define REFILE_SWITCHES \
  16     X("draft", 0, DRAFTSW) \
  17     X("link", 0, LINKSW) \
  18     X("nolink", 0, NLINKSW) \
  19     X("preserve", 0, PRESSW) \
  20     X("nopreserve", 0, NPRESSW) \
  21     X("retainsequences", 0, RETAINSEQSSW) \
  22     X("noretainsequences", 0, NRETAINSEQSSW) \
  23     X("unlink", 0, UNLINKSW) \
  24     X("nounlink", 0, NUNLINKSW) \
  25     X("src +folder", 0, SRCSW) \
  26     X("file file", 0, FILESW) \
  27     X("rmmproc program", 0, RPROCSW) \
  28     X("normmproc", 0, NRPRCSW) \
  29     X("version", 0, VERSIONSW) \
  30     X("help", 0, HELPSW) \
  31
  32 #define X(sw, minchars, id) id,
  33 DEFINE_SWITCH_ENUM(REFILE);
  34 #undef X
  35
  36 #define X(sw, minchars, id) { sw, minchars, id },
  37 DEFINE_SWITCH_ARRAY(REFILE, switches);
  38 #undef X
  39
  40 static char maildir[BUFSIZ];
  41
  42 struct st_fold {
  43     char *f_name;
  44     struct msgs *f_mp;
  45 };
  46
  47 /*
  48  * static prototypes
  49  */
  50 static void opnfolds (struct st_fold *, int);
  51 static void clsfolds (struct st_fold *, int);
  52 static void remove_files (int, char **);
  53 static int m_file (struct msgs *, char *, int, struct st_fold *, int, int, int);
  54 static void copy_seqs (struct msgs *, int, struct msgs *, int);
  55
  56
  57 int
  58 main (int argc, char **argv)
  59 {
  60     int linkf = 0, preserve = 0, retainseqs = 0, filep = 0;
  61     int foldp = 0, isdf = 0, unlink_msgs = 0;
  62     int i, msgnum;
  63     char *cp, *folder = NULL, buf[BUFSIZ];
  64     char **argp, **arguments;
  65     char *filevec[NFOLDERS + 2];
  66     char **files = &filevec[1];    /* leave room for remove_files:vec[0] */
  67     struct st_fold folders[NFOLDERS + 1];
  68     struct msgs_array msgs = { 0, 0, NULL };
  69     struct msgs *mp;
  70
  71     setlocale(LC_ALL, "");
  72     invo_name = r1bindex (argv[0], '/');
  73
  74     /* read user profile/context */
  75     context_read();
  76
  77     arguments = getarguments (invo_name, argc, argv, 1);
  78     argp = arguments;
  79
  80     /*
  81      * Parse arguments
  82      */
  83     while ((cp = *argp++)) {
  84         if (*cp == '-') {
  85             switch (smatch (++cp, switches)) {
  86             case AMBIGSW:
  87                 ambigsw (cp, switches);
  88                 done (1);
  89             case UNKWNSW:
  90                 adios (NULL, "-%s unknown\n", cp);
  91
  92             case HELPSW:
  93                 snprintf (buf, sizeof(buf), "%s [msgs] [switches] +folder ...",
  94                           invo_name);
  95                 print_help (buf, switches, 1);
  96                 done (0);
  97             case VERSIONSW:
  98                 print_version(invo_name);
  99                 done (0);
 100
 101             case LINKSW:
 102                 linkf++;
 103                 continue;
 104             case NLINKSW:
 105                 linkf = 0;
 106                 continue;
 107
 108             case PRESSW:
 109                 preserve++;
 110                 continue;
 111             case NPRESSW:
 112                 preserve = 0;
 113                 continue;
 114
 115             case RETAINSEQSSW:
 116                 retainseqs = 1;
 117                 continue;
 118             case NRETAINSEQSSW:
 119                 retainseqs = 0;
 120                 continue;
 121
 122             case UNLINKSW:
 123                 unlink_msgs++;
 124                 continue;
 125             case NUNLINKSW:
 126                 unlink_msgs = 0;
 127                 continue;
 128
 129             case SRCSW:
 130                 if (folder)
 131                     adios (NULL, "only one source folder at a time!");
 132                 if (!(cp = *argp++) || *cp == '-')
 133                     adios (NULL, "missing argument to %s", argp[-2]);
 134                 folder = path (*cp == '+' || *cp == '@' ? cp + 1 : cp,
 135                                *cp != '@' ? TFOLDER : TSUBCWF);
 136                 continue;
 137             case DRAFTSW:
 138                 if (filep > NFOLDERS)
 139                     adios (NULL, "only %d files allowed!", NFOLDERS);
 140                 isdf = 0;
 141                 files[filep++] = getcpy (m_draft (NULL, NULL, 1, &isdf));
 142                 continue;
 143             case FILESW:
 144                 if (filep > NFOLDERS)
 145                     adios (NULL, "only %d files allowed!", NFOLDERS);
 146                 if (!(cp = *argp++) || *cp == '-')
 147                     adios (NULL, "missing argument to %s", argp[-2]);
 148                 files[filep++] = path (cp, TFILE);
 149                 continue;
 150
 151             case RPROCSW:
 152                 if (!(rmmproc = *argp++) || *rmmproc == '-')
 153                     adios (NULL, "missing argument to %s", argp[-2]);
 154                 continue;
 155             case NRPRCSW:
 156                 rmmproc = NULL;
 157                 continue;
 158             }
 159         }
 160         if (*cp == '+' || *cp == '@') {
 161             if (foldp > NFOLDERS)
 162                 adios (NULL, "only %d folders allowed!", NFOLDERS);
 163             folders[foldp++].f_name =
 164                 pluspath (cp);
 165         } else
 166                 app_msgarg(&msgs, cp);
 167     }
 168
 169     if (!context_find ("path"))
 170         free (path ("./", TFOLDER));
 171     if (foldp == 0)
 172         adios (NULL, "no folder specified");
 173
 174     /*
 175      * We are refiling a file to the folders
 176      */
 177     if (filep > 0) {
 178         if (folder || msgs.size)
 179             adios (NULL, "use -file or some messages, not both");
 180         opnfolds (folders, foldp);
 181         for (i = 0; i < filep; i++)
 182             if (m_file (0, files[i], 0, folders, foldp, preserve, 0))
 183                 done (1);
 184         /* If -nolink, then "remove" files */
 185         if (!linkf)
 186             remove_files (filep, filevec);
 187         done (0);
 188     }
 189
 190     if (!msgs.size)
 191         app_msgarg(&msgs, "cur");
 192     if (!folder)
 193         folder = getfolder (1);
 194     strncpy (maildir, m_maildir (folder), sizeof(maildir));
 195
 196     if (chdir (maildir) == NOTOK)
 197         adios (maildir, "unable to change directory to");
 198
 199     /* read source folder and create message structure */
 200     if (!(mp = folder_read (folder, 1)))
 201         adios (NULL, "unable to read folder %s", folder);
 202
 203     /* check for empty folder */
 204     if (mp->nummsg == 0)
 205         adios (NULL, "no messages in %s", folder);
 206
 207     /* parse the message range/sequence/name and set SELECTED */
 208     for (msgnum = 0; msgnum < msgs.size; msgnum++)
 209         if (!m_convert (mp, msgs.msgs[msgnum]))
 210             done (1);
 211     seq_setprev (mp);   /* set the previous-sequence */
 212
 213     /* create folder structures for each destination folder */
 214     opnfolds (folders, foldp);
 215
 216     /* Link all the selected messages into destination folders.
 217      *
 218      * This causes the add hook to be run for messages that are
 219      * linked into another folder.  The refile hook is run for
 220      * messages that are moved to another folder.
 221      */
 222     for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 223         if (is_selected (mp, msgnum)) {
 224             cp = getcpy (m_name (msgnum));
 225             if (m_file (mp, cp, retainseqs ? msgnum : 0, folders, foldp,
 226                         preserve, !linkf))
 227                 done (1);
 228             free (cp);
 229         }
 230     }
 231
 232     /*
 233      * Update this now, since folder_delmsgs() will save the context
 234      * but doesn't have access to the folder name.
 235      */
 236
 237     context_replace (pfolder, folder);  /* update current folder   */
 238
 239     /*
 240      * Adjust "cur" if necessary
 241      */
 242
 243     if (mp->hghsel != mp->curmsg
 244         && (mp->numsel != mp->nummsg || linkf))
 245         seq_setcur (mp, mp->hghsel);
 246
 247     /* If -nolink, then "remove" messages from source folder.
 248      *
 249      * Note that folder_delmsgs does not call the delete hook
 250      * because the message has already been handled above.
 251      */
 252     if (!linkf) {
 253         folder_delmsgs (mp, unlink_msgs, 1);
 254     } else {
 255         seq_save (mp);  /* synchronize message sequences */
 256         context_save ();                        /* save the context file   */
 257     }
 258
 259     clsfolds (folders, foldp);
 260
 261     folder_free (mp);                   /* free folder structure   */
 262     done (0);
 263     return 1;
 264 }
 265
 266
 267 /*
 268  * Read all the destination folders and
 269  * create folder structures for all of them.
 270  */
 271
 272 static void
 273 opnfolds (struct st_fold *folders, int nfolders)
 274 {
 275     char nmaildir[BUFSIZ];
 276     register struct st_fold *fp, *ep;
 277     register struct msgs *mp;
 278
 279     for (fp = folders, ep = folders + nfolders; fp < ep; fp++) {
 280         chdir (m_maildir (""));
 281         strncpy (nmaildir, m_maildir (fp->f_name), sizeof(nmaildir));
 282
 283     create_folder (nmaildir, 0, done);
 284
 285         if (chdir (nmaildir) == NOTOK)
 286             adios (nmaildir, "unable to change directory to");
 287         if (!(mp = folder_read (fp->f_name, 1)))
 288             adios (NULL, "unable to read folder %s", fp->f_name);
 289         mp->curmsg = 0;
 290
 291         fp->f_mp = mp;
 292
 293         chdir (maildir);
 294     }
 295 }
 296
 297
 298 /*
 299  * Set the Previous-Sequence and then sychronize the
 300  * sequence file, for each destination folder.
 301  */
 302
 303 static void
 304 clsfolds (struct st_fold *folders, int nfolders)
 305 {
 306     register struct st_fold *fp, *ep;
 307     register struct msgs *mp;
 308
 309     for (fp = folders, ep = folders + nfolders; fp < ep; fp++) {
 310         mp = fp->f_mp;
 311         seq_setprev (mp);
 312         seq_save (mp);
 313     }
 314 }
 315
 316
 317 /*
 318  * If you have a "rmmproc" defined, we called that
 319  * to remove all the specified files.  If "rmmproc"
 320  * is not defined, then just unlink the files.
 321  */
 322
 323 static void
 324 remove_files (int filep, char **files)
 325 {
 326     int i, vecp;
 327     char **vec, *program;
 328
 329     /* If rmmproc is defined, we use that */
 330     if (rmmproc) {
 331         vec = argsplit(rmmproc, &program, &vecp);
 332         files++;                /* Yes, we need to do this */
 333         for (i = 0; i < filep; i++)
 334                 vec[vecp++] = files[i];
 335         vec[vecp] = NULL;       /* NULL terminate list */
 336
 337         fflush (stdout);
 338         execvp (program, vec);
 339         adios (rmmproc, "unable to exec");
 340     }
 341
 342     /* Else just unlink the files */
 343     files++;    /* advance past filevec[0] */
 344     for (i = 0; i < filep; i++) {
 345         if (unlink (files[i]) == NOTOK)
 346             admonish (files[i], "unable to unlink");
 347     }
 348 }
 349
 350
 351 /*
 352  * Link (or copy) the message into each of the destination folders.
 353  * If oldmsgnum is not 0, call copy_seqs().
 354  */
 355
 356 static int
 357 m_file (struct msgs *mp, char *msgfile, int oldmsgnum,
 358         struct st_fold *folders, int nfolders, int preserve, int refile)
 359 {
 360     int msgnum;
 361     struct st_fold *fp, *ep;
 362
 363     for (fp = folders, ep = folders + nfolders; fp < ep; fp++) {
 364         if ((msgnum = folder_addmsg (&fp->f_mp, msgfile, 1, 0, preserve, nfolders == 1 && refile, maildir)) == -1)
 365             return 1;
 366         if (oldmsgnum) copy_seqs (mp, oldmsgnum, fp->f_mp, msgnum);
 367     }
 368     return 0;
 369 }
 370
 371
 372 /*
 373  * Copy sequence information for a refiled message to its
 374  * new folder.  Skip the cur sequence.
 375  */
 376 static void
 377 copy_seqs (struct msgs *oldmp, int oldmsgnum, struct msgs *newmp, int newmsgnum)
 378 {
 379     char **seq;
 380     size_t seqnum;
 381
 382     for (seq = svector_strs (oldmp->msgattrs), seqnum = 0;
 383          *seq && seqnum < svector_size (oldmp->msgattrs);
 384          ++seq, ++seqnum) {
 385         if (strcmp (current, *seq)) {
 386             assert ((int) seqnum == seq_getnum (oldmp, *seq));
 387             if (in_sequence (oldmp, seqnum, oldmsgnum)) {
 388                 seq_addmsg (newmp, *seq, newmsgnum,
 389                             is_seq_private (oldmp, seqnum) ? 0 : 1, 0);
 390             }
 391         }
 392     }
 393 }