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

   1
   2 /*
   3  * comp.c -- compose a message
   4  *
   5  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   6  * COPYRIGHT file in the root directory of the nmh distribution for
   7  * complete copyright information.
   8  */
   9
  10 #include <h/mh.h>
  11 #include <h/utils.h>
  12 #include <h/fmt_scan.h>
  13 #include <fcntl.h>
  14
  15 static struct swit switches[] = {
  16 #define DFOLDSW                0
  17     { "draftfolder +folder", 0 },
  18 #define DMSGSW                 1
  19     { "draftmessage msg", 0 },
  20 #define NDFLDSW                2
  21     { "nodraftfolder", 0 },
  22 #define EDITRSW                3
  23     { "editor editor", 0 },
  24 #define NEDITSW                4
  25     { "noedit", 0 },
  26 #define FILESW                 5
  27     { "file file", 0 },
  28 #define FORMSW                 6
  29     { "form formfile", 0 },
  30 #define USESW                  7
  31     { "use", 0 },
  32 #define NUSESW                 8
  33     { "nouse", 0 },
  34 #define WHATSW                 9
  35     { "whatnowproc program", 0 },
  36 #define NWHATSW               10
  37     { "nowhatnowproc", 0 },
  38 #define VERSIONSW             11
  39     { "version", 0 },
  40 #define HELPSW                12
  41     { "help", 0 },
  42 #define TOSW                  13
  43     { "to address", 0 },
  44 #define CCSW                  14
  45     { "cc address", 0 },
  46 #define FROMSW                15
  47     { "from address", 0 },
  48 #define FCCSW                 16
  49     { "fcc mailbox", 0 },
  50 #define WIDTHSW               17
  51     { "width colums", 0 },
  52 #define SUBJECTSW             18
  53     { "subject text", 0 },
  54     { NULL, 0 }
  55 };
  56
  57 static struct swit aqrunl[] = {
  58 #define NOSW          0
  59     { "quit", 0 },
  60 #define YESW          1
  61     { "replace", 0 },
  62 #define USELSW        2
  63     { "use", 0 },
  64 #define LISTDSW       3
  65     { "list", 0 },
  66 #define REFILSW       4
  67     { "refile +folder", 0 },
  68 #define NEWSW         5
  69     { "new", 0 },
  70     { NULL, 0 }
  71 };
  72
  73 static struct swit aqrul[] = {
  74     { "quit", 0 },
  75     { "replace", 0 },
  76     { "use", 0 },
  77     { "list", 0 },
  78     { "refile", 0 },
  79     { NULL, 0 }
  80 };
  81
  82 int
  83 main (int argc, char **argv)
  84 {
  85     int use = NOUSE, nedit = 0, nwhat = 0;
  86     int i, in = NOTOK, isdf = 0, out, dat[5], format_len = 0;
  87     int outputlinelen = OUTPUTLINELEN;
  88     char *cp, *cwd, *maildir, *dfolder = NULL;
  89     char *ed = NULL, *file = NULL, *form = NULL;
  90     char *folder = NULL, *msg = NULL, buf[BUFSIZ];
  91     char *to = NULL, *from = NULL, *cc = NULL, *fcc = NULL, *dp;
  92     char *subject = NULL;
  93     char drft[BUFSIZ], **argp, **arguments;
  94     struct msgs *mp = NULL;
  95     struct format *fmt;
  96     struct stat st;
  97
  98 #ifdef LOCALE
  99     setlocale(LC_ALL, "");
 100 #endif
 101     invo_name = r1bindex (argv[0], '/');
 102
 103     /* read user profile/context */
 104     context_read();
 105
 106     arguments = getarguments (invo_name, argc, argv, 1);
 107     argp = arguments;
 108
 109     while ((cp = *argp++)) {
 110         if (*cp == '-') {
 111             switch (smatch (++cp, switches)) {
 112                 case AMBIGSW:
 113                     ambigsw (cp, switches);
 114                     done (1);
 115                 case UNKWNSW:
 116                     adios (NULL, "-%s unknown", cp);
 117
 118                 case HELPSW:
 119                     snprintf (buf, sizeof(buf), "%s [+folder] [msg] [switches]",
 120                         invo_name);
 121                     print_help (buf, switches, 1);
 122                     done (0);
 123                 case VERSIONSW:
 124                     print_version(invo_name);
 125                     done (0);
 126
 127                 case EDITRSW:
 128                     if (!(ed = *argp++) || *ed == '-')
 129                         adios (NULL, "missing argument to %s", argp[-2]);
 130                     nedit = 0;
 131                     continue;
 132                 case NEDITSW:
 133                     nedit++;
 134                     continue;
 135
 136                 case WHATSW:
 137                     if (!(whatnowproc = *argp++) || *whatnowproc == '-')
 138                         adios (NULL, "missing argument to %s", argp[-2]);
 139                     nwhat = 0;
 140                     continue;
 141                 case NWHATSW:
 142                     nwhat++;
 143                     continue;
 144
 145                 case FORMSW:
 146                     if (!(form = *argp++) || *form == '-')
 147                         adios (NULL, "missing argument to %s", argp[-2]);
 148                     continue;
 149
 150                 case USESW:
 151                     use++;
 152                     continue;
 153                 case NUSESW:
 154                     use = NOUSE;
 155                     continue;
 156
 157                 case FILESW:    /* compatibility */
 158                     if (file)
 159                         adios (NULL, "only one file at a time!");
 160                     if (!(file = *argp++) || *file == '-')
 161                         adios (NULL, "missing argument to %s", argp[-2]);
 162                     isdf = NOTOK;
 163                     continue;
 164
 165                 case DFOLDSW:
 166                     if (dfolder)
 167                         adios (NULL, "only one draft folder at a time!");
 168                     if (!(cp = *argp++) || *cp == '-')
 169                         adios (NULL, "missing argument to %s", argp[-2]);
 170                     dfolder = path (*cp == '+' || *cp == '@' ? cp + 1 : cp,
 171                             *cp != '@' ? TFOLDER : TSUBCWF);
 172                     continue;
 173                 case DMSGSW:
 174                     if (file)
 175                         adios (NULL, "only one draft message at a time!");
 176                     if (!(file = *argp++) || *file == '-')
 177                         adios (NULL, "missing argument to %s", argp[-2]);
 178                     continue;
 179                 case NDFLDSW:
 180                     dfolder = NULL;
 181                     isdf = NOTOK;
 182                     continue;
 183
 184                 case TOSW:
 185                     if (!(cp = *argp++) || *cp == '-')
 186                         adios (NULL, "missing argument to %s", argp[-2]);
 187                     to = addlist(to, cp);
 188                     continue;
 189
 190                 case CCSW:
 191                     if (!(cp = *argp++) || *cp == '-')
 192                         adios (NULL, "missing argument to %s", argp[-2]);
 193                     cc = addlist(cc, cp);
 194                     continue;
 195
 196                 case FROMSW:
 197                     if (!(cp = *argp++) || *cp == '-')
 198                         adios (NULL, "missing argument to %s", argp[-2]);
 199                     from = addlist(from, cp);
 200                     continue;
 201
 202                 case FCCSW:
 203                     if (!(cp = *argp++) || *cp == '-')
 204                         adios (NULL, "missing argument to %s", argp[-2]);
 205                     dp = NULL;
 206                     if (*cp == '@')
 207                         cp = dp = path(cp + 1, TSUBCWF);
 208                     fcc = addlist(fcc, cp);
 209                     if (dp)
 210                         free(dp);
 211                     continue;
 212
 213                 case WIDTHSW:
 214                     if (!(cp = *argp++) || *cp == '-')
 215                         adios (NULL, "missing argument to %s", argp[-2]);
 216                     if ((outputlinelen = atoi(cp)) < 10)
 217                         adios (NULL, "impossible width %d", outputlinelen);
 218                     continue;
 219
 220                 case SUBJECTSW:
 221                     if (!(cp = *argp++) || *cp == '-')
 222                         adios (NULL, "missing argument to %s", argp[-2]);
 223                     subject = cp;
 224                     continue;
 225             }
 226         }
 227         if (*cp == '+' || *cp == '@') {
 228             if (folder)
 229                 adios (NULL, "only one folder at a time!");
 230             else
 231                 folder = pluspath (cp);
 232         } else {
 233             if (msg)
 234                 adios (NULL, "only one message at a time!");
 235             else
 236                 msg = cp;
 237         }
 238     }
 239
 240     cwd = getcpy (pwd ());
 241
 242     if (!context_find ("path"))
 243         free (path ("./", TFOLDER));
 244
 245     /*
 246      * Check if we are using a draft folder
 247      * and have specified a message in it.
 248      */
 249     if ((dfolder || context_find ("Draft-Folder")) && !folder && msg && !file) {
 250         file = msg;
 251         msg = NULL;
 252     }
 253     if (form && (folder || msg))
 254             adios (NULL, "can't mix forms and folders/msgs");
 255
 256     cp = NULL;
 257
 258     if (folder || msg) {
 259         /*
 260          * Use a message as the "form" for the new message.
 261          */
 262         if (!msg)
 263             msg = "cur";
 264         if (!folder)
 265             folder = getfolder (1);
 266         maildir = m_maildir (folder);
 267
 268         if (chdir (maildir) == NOTOK)
 269             adios (maildir, "unable to change directory to");
 270
 271         /* read folder and create message structure */
 272         if (!(mp = folder_read (folder)))
 273             adios (NULL, "unable to read folder %s", folder);
 274
 275         /* check for empty folder */
 276         if (mp->nummsg == 0)
 277             adios (NULL, "no messages in %s", folder);
 278
 279         /* parse the message range/sequence/name and set SELECTED */
 280         if (!m_convert (mp, msg))
 281             done (1);
 282         seq_setprev (mp);       /* set the previous-sequence */
 283
 284         if (mp->numsel > 1)
 285             adios (NULL, "only one message at a time!");
 286
 287         if ((in = open (form = getcpy (m_name (mp->lowsel)), O_RDONLY)) == NOTOK)
 288             adios (form, "unable to open message");
 289     } else {
 290         struct comp *cptr;
 291
 292         if (! form)
 293             form = components;
 294
 295         cp = new_fs(form, NULL, NULL);
 296         format_len = strlen(cp);
 297         fmt_compile(cp, &fmt, 1);
 298
 299         /*
 300          * Set up any components that were fed to us on the command line
 301          */
 302
 303         if (from) {
 304             cptr = fmt_findcomp("from");
 305             if (cptr)
 306                 cptr->c_text = from;
 307         }
 308         if (to) {
 309             cptr = fmt_findcomp("to");
 310             if (cptr)
 311                 cptr->c_text = to;
 312         }
 313         if (cc) {
 314             cptr = fmt_findcomp("cc");
 315             if (cptr)
 316                 cptr->c_text = cc;
 317         }
 318         if (fcc) {
 319             cptr = fmt_findcomp("fcc");
 320             if (cptr)
 321                 cptr->c_text = fcc;
 322         }
 323         if (subject) {
 324             cptr = fmt_findcomp("subject");
 325             if (cptr)
 326                 cptr->c_text = subject;
 327         }
 328     }
 329
 330 try_it_again:
 331     strncpy (drft, m_draft (dfolder, file, use, &isdf), sizeof(drft));
 332
 333     /*
 334      * Check if we have an existing draft
 335      */
 336     if ((out = open (drft, O_RDONLY)) != NOTOK) {
 337         i = fdcompare (in, out);
 338         close (out);
 339
 340         /*
 341          * If we have given -use flag, or if the
 342          * draft is just the same as the components
 343          * file, then no need to ask any questions.
 344          */
 345         if (use || i)
 346             goto edit_it;
 347
 348         if (stat (drft, &st) == NOTOK)
 349             adios (drft, "unable to stat");
 350         printf ("Draft \"%s\" exists (%ld bytes).", drft, (long) st.st_size);
 351         for (i = LISTDSW; i != YESW;) {
 352             if (!(argp = getans ("\nDisposition? ", isdf ? aqrunl : aqrul)))
 353                 done (1);
 354             switch (i = smatch (*argp, isdf ? aqrunl : aqrul)) {
 355                 case NOSW:
 356                     done (0);
 357                 case NEWSW:
 358                     file = NULL;
 359                     use = NOUSE;
 360                     goto try_it_again;
 361                 case YESW:
 362                     break;
 363                 case USELSW:
 364                     use++;
 365                     goto edit_it;
 366                 case LISTDSW:
 367                     showfile (++argp, drft);
 368                     break;
 369                 case REFILSW:
 370                     if (refile (++argp, drft) == 0)
 371                         i = YESW;
 372                     break;
 373                 default:
 374                     advise (NULL, "say what?");
 375                     break;
 376             }
 377         }
 378     } else {
 379         if (use)
 380             adios (drft, "unable to open");
 381     }
 382
 383     if ((out = creat (drft, m_gmprot ())) == NOTOK)
 384         adios (drft, "unable to create");
 385     if (cp) {
 386         char *scanl;
 387
 388         i = format_len + 1024;
 389         scanl = mh_xmalloc((size_t) i + 2);
 390         dat[0] = 0;
 391         dat[1] = 0;
 392         dat[2] = 0;
 393         dat[3] = outputlinelen;
 394         dat[4] = 0;
 395         fmt_scan(fmt, scanl, i + 1, i, dat);
 396         write(out, scanl, strlen(scanl));
 397         free(scanl);
 398     } else {
 399         cpydata (in, out, form, drft);
 400         close (in);
 401     }
 402     close (out);
 403
 404 edit_it:
 405     context_save ();    /* save the context file */
 406
 407     if (nwhat)
 408         done (0);
 409     what_now (ed, nedit, use, drft, NULL, 0, NULLMP, NULL, 0, cwd, 0);
 410     done (1);
 411     return 1;
 412 }