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

   1
   2 /*
   3  * comp.c -- compose a message
   4  *
   5  * $Id$
   6  */
   7
   8 #include <h/mh.h>
   9 #include <fcntl.h>
  10
  11 static struct swit switches[] = {
  12 #define DFOLDSW                0
  13     { "draftfolder +folder", 0 },
  14 #define DMSGSW                 1
  15     { "draftmessage msg", 0 },
  16 #define NDFLDSW                2
  17     { "nodraftfolder", 0 },
  18 #define EDITRSW                3
  19     { "editor editor", 0 },
  20 #define NEDITSW                4
  21     { "noedit", 0 },
  22 #define FILESW                 5
  23     { "file file", 0 },
  24 #define FORMSW                 6
  25     { "form formfile", 0 },
  26 #define USESW                  7
  27     { "use", 0 },
  28 #define NUSESW                 8
  29     { "nouse", 0 },
  30 #define WHATSW                 9
  31     { "whatnowproc program", 0 },
  32 #define NWHATSW               10
  33     { "nowhatnowproc", 0 },
  34 #define VERSIONSW             11
  35     { "version", 0 },
  36 #define HELPSW                12
  37     { "help", 4 },
  38     { NULL, 0 }
  39 };
  40
  41 static struct swit aqrunl[] = {
  42 #define NOSW          0
  43     { "quit", 0 },
  44 #define YESW          1
  45     { "replace", 0 },
  46 #define USELSW        2
  47     { "use", 0 },
  48 #define LISTDSW       3
  49     { "list", 0 },
  50 #define REFILSW       4
  51     { "refile +folder", 0 },
  52 #define NEWSW         5
  53     { "new", 0 },
  54     { NULL, 0 }
  55 };
  56
  57 static struct swit aqrul[] = {
  58     { "quit", 0 },
  59     { "replace", 0 },
  60     { "use", 0 },
  61     { "list", 0 },
  62     { "refile", 0 },
  63     { NULL, 0 }
  64 };
  65
  66
  67 int
  68 main (int argc, char **argv)
  69 {
  70     int use = NOUSE, nedit = 0, nwhat = 0;
  71     int i, in, isdf = 0, out;
  72     char *cp, *cwd, *maildir, *dfolder = NULL;
  73     char *ed = NULL, *file = NULL, *form = NULL;
  74     char *folder = NULL, *msg = NULL, buf[BUFSIZ];
  75     char drft[BUFSIZ], **argp, **arguments;
  76     struct msgs *mp = NULL;
  77     struct stat st;
  78
  79 #ifdef LOCALE
  80     setlocale(LC_ALL, "");
  81 #endif
  82     invo_name = r1bindex (argv[0], '/');
  83
  84     /* read user profile/context */
  85     context_read();
  86
  87     arguments = getarguments (invo_name, argc, argv, 1);
  88     argp = arguments;
  89
  90     while ((cp = *argp++)) {
  91         if (*cp == '-') {
  92             switch (smatch (++cp, switches)) {
  93                 case AMBIGSW:
  94                     ambigsw (cp, switches);
  95                     done (1);
  96                 case UNKWNSW:
  97                     adios (NULL, "-%s unknown", cp);
  98
  99                 case HELPSW:
 100                     snprintf (buf, sizeof(buf), "%s [+folder] [msg] [switches]",
 101                         invo_name);
 102                     print_help (buf, switches, 1);
 103                     done (1);
 104                 case VERSIONSW:
 105                     print_version(invo_name);
 106                     done (1);
 107
 108                 case EDITRSW:
 109                     if (!(ed = *argp++) || *ed == '-')
 110                         adios (NULL, "missing argument to %s", argp[-2]);
 111                     nedit = 0;
 112                     continue;
 113                 case NEDITSW:
 114                     nedit++;
 115                     continue;
 116
 117                 case WHATSW:
 118                     if (!(whatnowproc = *argp++) || *whatnowproc == '-')
 119                         adios (NULL, "missing argument to %s", argp[-2]);
 120                     nwhat = 0;
 121                     continue;
 122                 case NWHATSW:
 123                     nwhat++;
 124                     continue;
 125
 126                 case FORMSW:
 127                     if (!(form = *argp++) || *form == '-')
 128                         adios (NULL, "missing argument to %s", argp[-2]);
 129                     continue;
 130
 131                 case USESW:
 132                     use++;
 133                     continue;
 134                 case NUSESW:
 135                     use = NOUSE;
 136                     continue;
 137
 138                 case FILESW:    /* compatibility */
 139                     if (file)
 140                         adios (NULL, "only one file at a time!");
 141                     if (!(file = *argp++) || *file == '-')
 142                         adios (NULL, "missing argument to %s", argp[-2]);
 143                     isdf = NOTOK;
 144                     continue;
 145
 146                 case DFOLDSW:
 147                     if (dfolder)
 148                         adios (NULL, "only one draft folder at a time!");
 149                     if (!(cp = *argp++) || *cp == '-')
 150                         adios (NULL, "missing argument to %s", argp[-2]);
 151                     dfolder = path (*cp == '+' || *cp == '@' ? cp + 1 : cp,
 152                             *cp != '@' ? TFOLDER : TSUBCWF);
 153                     continue;
 154                 case DMSGSW:
 155                     if (file)
 156                         adios (NULL, "only one draft message at a time!");
 157                     if (!(file = *argp++) || *file == '-')
 158                         adios (NULL, "missing argument to %s", argp[-2]);
 159                     continue;
 160                 case NDFLDSW:
 161                     dfolder = NULL;
 162                     isdf = NOTOK;
 163                     continue;
 164             }
 165         }
 166         if (*cp == '+' || *cp == '@') {
 167             if (folder)
 168                 adios (NULL, "only one folder at a time!");
 169             else
 170                 folder = path (cp + 1, *cp == '+' ? TFOLDER : TSUBCWF);
 171         } else {
 172             if (msg)
 173                 adios (NULL, "only one message at a time!");
 174             else
 175                 msg = cp;
 176         }
 177     }
 178
 179     cwd = getcpy (pwd ());
 180
 181     if (!context_find ("path"))
 182         free (path ("./", TFOLDER));
 183
 184     /*
 185      * Check if we are using a draft folder
 186      * and have specified a message in it.
 187      */
 188     if ((dfolder || context_find ("Draft-Folder")) && !folder && msg && !file) {
 189         file = msg;
 190         msg = NULL;
 191     }
 192     if (form && (folder || msg))
 193             adios (NULL, "can't mix forms and folders/msgs");
 194
 195     if (folder || msg) {
 196         /*
 197          * Use a message as the "form" for the new message.
 198          */
 199         if (!msg)
 200             msg = "cur";
 201         if (!folder)
 202             folder = getfolder (1);
 203         maildir = m_maildir (folder);
 204
 205         if (chdir (maildir) == NOTOK)
 206             adios (maildir, "unable to change directory to");
 207
 208         /* read folder and create message structure */
 209         if (!(mp = folder_read (folder)))
 210             adios (NULL, "unable to read folder %s", folder);
 211
 212         /* check for empty folder */
 213         if (mp->nummsg == 0)
 214             adios (NULL, "no messages in %s", folder);
 215
 216         /* parse the message range/sequence/name and set SELECTED */
 217         if (!m_convert (mp, msg))
 218             done (1);
 219         seq_setprev (mp);       /* set the previous-sequence */
 220
 221         if (mp->numsel > 1)
 222             adios (NULL, "only one message at a time!");
 223
 224         if ((in = open (form = getcpy (m_name (mp->lowsel)), O_RDONLY)) == NOTOK)
 225             adios (form, "unable to open message");
 226     } else {
 227         /*
 228          * Open a component or forms file
 229          */
 230         if (form) {
 231             if ((in = open (etcpath (form), O_RDONLY)) == NOTOK)
 232                 adios (form, "unable to open form file");
 233         } else {
 234             if ((in = open (etcpath (components), O_RDONLY)) == NOTOK)
 235                 adios (components, "unable to open default components file");
 236             form = components;
 237         }
 238     }
 239
 240 try_it_again:
 241     strncpy (drft, m_draft (dfolder, file, use, &isdf), sizeof(drft));
 242
 243     /*
 244      * Check if we have an existing draft
 245      */
 246     if ((out = open (drft, O_RDONLY)) != NOTOK) {
 247         i = fdcompare (in, out);
 248         close (out);
 249
 250         /*
 251          * If we have given -use flag, or if the
 252          * draft is just the same as the components
 253          * file, then no need to ask any questions.
 254          */
 255         if (use || i)
 256             goto edit_it;
 257
 258         if (stat (drft, &st) == NOTOK)
 259             adios (drft, "unable to stat");
 260         printf ("Draft \"%s\" exists (%ld bytes).", drft, (long) st.st_size);
 261         for (i = LISTDSW; i != YESW;) {
 262             if (!(argp = getans ("\nDisposition? ", isdf ? aqrunl : aqrul)))
 263                 done (1);
 264             switch (i = smatch (*argp, isdf ? aqrunl : aqrul)) {
 265                 case NOSW:
 266                     done (0);
 267                 case NEWSW:
 268                     file = NULL;
 269                     use = NOUSE;
 270                     goto try_it_again;
 271                 case YESW:
 272                     break;
 273                 case USELSW:
 274                     use++;
 275                     goto edit_it;
 276                 case LISTDSW:
 277                     showfile (++argp, drft);
 278                     break;
 279                 case REFILSW:
 280                     if (refile (++argp, drft) == 0)
 281                         i = YESW;
 282                     break;
 283                 default:
 284                     advise (NULL, "say what?");
 285                     break;
 286             }
 287         }
 288     } else {
 289         if (use)
 290             adios (drft, "unable to open");
 291     }
 292
 293     if ((out = creat (drft, m_gmprot ())) == NOTOK)
 294         adios (drft, "unable to create");
 295     cpydata (in, out, form, drft);
 296     close (in);
 297     close (out);
 298
 299 edit_it:
 300     context_save ();    /* save the context file */
 301
 302     if (nwhat)
 303         done (0);
 304     what_now (ed, nedit, use, drft, NULL, 0, NULLMP, NULL, 0, cwd);
 305     done (1);
 306 }