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

   1
   2 /*
   3  * comp.c -- compose a message
   4  *
   5  * $Id$
   6  *
   7  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   8  * COPYRIGHT file in the root directory of the nmh distribution for
   9  * complete copyright information.
  10  */
  11
  12 #include <h/mh.h>
  13 #include <h/utils.h>
  14 #include <fcntl.h>
  15
  16 static struct swit switches[] = {
  17 #define DFOLDSW                0
  18     { "draftfolder +folder", 0 },
  19 #define DMSGSW                 1
  20     { "draftmessage msg", 0 },
  21 #define NDFLDSW                2
  22     { "nodraftfolder", 0 },
  23 #define EDITRSW                3
  24     { "editor editor", 0 },
  25 #define NEDITSW                4
  26     { "noedit", 0 },
  27 #define FILESW                 5
  28     { "file file", 0 },
  29 #define FORMSW                 6
  30     { "form formfile", 0 },
  31 #define USESW                  7
  32     { "use", 0 },
  33 #define NUSESW                 8
  34     { "nouse", 0 },
  35 #define WHATSW                 9
  36     { "whatnowproc program", 0 },
  37 #define NWHATSW               10
  38     { "nowhatnowproc", 0 },
  39 #define VERSIONSW             11
  40     { "version", 0 },
  41 #define HELPSW                12
  42     { "help", 0 },
  43     { NULL, 0 }
  44 };
  45
  46 static struct swit aqrunl[] = {
  47 #define NOSW          0
  48     { "quit", 0 },
  49 #define YESW          1
  50     { "replace", 0 },
  51 #define USELSW        2
  52     { "use", 0 },
  53 #define LISTDSW       3
  54     { "list", 0 },
  55 #define REFILSW       4
  56     { "refile +folder", 0 },
  57 #define NEWSW         5
  58     { "new", 0 },
  59     { NULL, 0 }
  60 };
  61
  62 static struct swit aqrul[] = {
  63     { "quit", 0 },
  64     { "replace", 0 },
  65     { "use", 0 },
  66     { "list", 0 },
  67     { "refile", 0 },
  68     { NULL, 0 }
  69 };
  70
  71
  72 int
  73 main (int argc, char **argv)
  74 {
  75     int use = NOUSE, nedit = 0, nwhat = 0;
  76     int i, in, isdf = 0, out;
  77     char *cp, *cwd, *maildir, *dfolder = NULL;
  78     char *ed = NULL, *file = NULL, *form = NULL;
  79     char *folder = NULL, *msg = NULL, buf[BUFSIZ];
  80     char drft[BUFSIZ], **argp, **arguments;
  81     struct msgs *mp = NULL;
  82     struct stat st;
  83
  84 #ifdef LOCALE
  85     setlocale(LC_ALL, "");
  86 #endif
  87     invo_name = r1bindex (argv[0], '/');
  88
  89     /* read user profile/context */
  90     context_read();
  91
  92     arguments = getarguments (invo_name, argc, argv, 1);
  93     argp = arguments;
  94
  95     while ((cp = *argp++)) {
  96         if (*cp == '-') {
  97             switch (smatch (++cp, switches)) {
  98                 case AMBIGSW:
  99                     ambigsw (cp, switches);
 100                     done (1);
 101                 case UNKWNSW:
 102                     adios (NULL, "-%s unknown", cp);
 103
 104                 case HELPSW:
 105                     snprintf (buf, sizeof(buf), "%s [+folder] [msg] [switches]",
 106                         invo_name);
 107                     print_help (buf, switches, 1);
 108                     done (1);
 109                 case VERSIONSW:
 110                     print_version(invo_name);
 111                     done (1);
 112
 113                 case EDITRSW:
 114                     if (!(ed = *argp++) || *ed == '-')
 115                         adios (NULL, "missing argument to %s", argp[-2]);
 116                     nedit = 0;
 117                     continue;
 118                 case NEDITSW:
 119                     nedit++;
 120                     continue;
 121
 122                 case WHATSW:
 123                     if (!(whatnowproc = *argp++) || *whatnowproc == '-')
 124                         adios (NULL, "missing argument to %s", argp[-2]);
 125                     nwhat = 0;
 126                     continue;
 127                 case NWHATSW:
 128                     nwhat++;
 129                     continue;
 130
 131                 case FORMSW:
 132                     if (!(form = *argp++) || *form == '-')
 133                         adios (NULL, "missing argument to %s", argp[-2]);
 134                     continue;
 135
 136                 case USESW:
 137                     use++;
 138                     continue;
 139                 case NUSESW:
 140                     use = NOUSE;
 141                     continue;
 142
 143                 case FILESW:    /* compatibility */
 144                     if (file)
 145                         adios (NULL, "only one file at a time!");
 146                     if (!(file = *argp++) || *file == '-')
 147                         adios (NULL, "missing argument to %s", argp[-2]);
 148                     isdf = NOTOK;
 149                     continue;
 150
 151                 case DFOLDSW:
 152                     if (dfolder)
 153                         adios (NULL, "only one draft folder at a time!");
 154                     if (!(cp = *argp++) || *cp == '-')
 155                         adios (NULL, "missing argument to %s", argp[-2]);
 156                     dfolder = path (*cp == '+' || *cp == '@' ? cp + 1 : cp,
 157                             *cp != '@' ? TFOLDER : TSUBCWF);
 158                     continue;
 159                 case DMSGSW:
 160                     if (file)
 161                         adios (NULL, "only one draft message at a time!");
 162                     if (!(file = *argp++) || *file == '-')
 163                         adios (NULL, "missing argument to %s", argp[-2]);
 164                     continue;
 165                 case NDFLDSW:
 166                     dfolder = NULL;
 167                     isdf = NOTOK;
 168                     continue;
 169             }
 170         }
 171         if (*cp == '+' || *cp == '@') {
 172             if (folder)
 173                 adios (NULL, "only one folder at a time!");
 174             else
 175                 folder = pluspath (cp);
 176         } else {
 177             if (msg)
 178                 adios (NULL, "only one message at a time!");
 179             else
 180                 msg = cp;
 181         }
 182     }
 183
 184     cwd = getcpy (pwd ());
 185
 186     if (!context_find ("path"))
 187         free (path ("./", TFOLDER));
 188
 189     /*
 190      * Check if we are using a draft folder
 191      * and have specified a message in it.
 192      */
 193     if ((dfolder || context_find ("Draft-Folder")) && !folder && msg && !file) {
 194         file = msg;
 195         msg = NULL;
 196     }
 197     if (form && (folder || msg))
 198             adios (NULL, "can't mix forms and folders/msgs");
 199
 200     if (folder || msg) {
 201         /*
 202          * Use a message as the "form" for the new message.
 203          */
 204         if (!msg)
 205             msg = "cur";
 206         if (!folder)
 207             folder = getfolder (1);
 208         maildir = m_maildir (folder);
 209
 210         if (chdir (maildir) == NOTOK)
 211             adios (maildir, "unable to change directory to");
 212
 213         /* read folder and create message structure */
 214         if (!(mp = folder_read (folder)))
 215             adios (NULL, "unable to read folder %s", folder);
 216
 217         /* check for empty folder */
 218         if (mp->nummsg == 0)
 219             adios (NULL, "no messages in %s", folder);
 220
 221         /* parse the message range/sequence/name and set SELECTED */
 222         if (!m_convert (mp, msg))
 223             done (1);
 224         seq_setprev (mp);       /* set the previous-sequence */
 225
 226         if (mp->numsel > 1)
 227             adios (NULL, "only one message at a time!");
 228
 229         if ((in = open (form = getcpy (m_name (mp->lowsel)), O_RDONLY)) == NOTOK)
 230             adios (form, "unable to open message");
 231     } else
 232         in = open_form(&form, components);
 233
 234 try_it_again:
 235     strncpy (drft, m_draft (dfolder, file, use, &isdf), sizeof(drft));
 236
 237     /*
 238      * Check if we have an existing draft
 239      */
 240     if ((out = open (drft, O_RDONLY)) != NOTOK) {
 241         i = fdcompare (in, out);
 242         close (out);
 243
 244         /*
 245          * If we have given -use flag, or if the
 246          * draft is just the same as the components
 247          * file, then no need to ask any questions.
 248          */
 249         if (use || i)
 250             goto edit_it;
 251
 252         if (stat (drft, &st) == NOTOK)
 253             adios (drft, "unable to stat");
 254         printf ("Draft \"%s\" exists (%ld bytes).", drft, (long) st.st_size);
 255         for (i = LISTDSW; i != YESW;) {
 256             if (!(argp = getans ("\nDisposition? ", isdf ? aqrunl : aqrul)))
 257                 done (1);
 258             switch (i = smatch (*argp, isdf ? aqrunl : aqrul)) {
 259                 case NOSW:
 260                     done (0);
 261                 case NEWSW:
 262                     file = NULL;
 263                     use = NOUSE;
 264                     goto try_it_again;
 265                 case YESW:
 266                     break;
 267                 case USELSW:
 268                     use++;
 269                     goto edit_it;
 270                 case LISTDSW:
 271                     showfile (++argp, drft);
 272                     break;
 273                 case REFILSW:
 274                     if (refile (++argp, drft) == 0)
 275                         i = YESW;
 276                     break;
 277                 default:
 278                     advise (NULL, "say what?");
 279                     break;
 280             }
 281         }
 282     } else {
 283         if (use)
 284             adios (drft, "unable to open");
 285     }
 286
 287     if ((out = creat (drft, m_gmprot ())) == NOTOK)
 288         adios (drft, "unable to create");
 289     cpydata (in, out, form, drft);
 290     close (in);
 291     close (out);
 292
 293 edit_it:
 294     context_save ();    /* save the context file */
 295
 296     if (nwhat)
 297         done (0);
 298     what_now (ed, nedit, use, drft, NULL, 0, NULLMP, NULL, 0, cwd);
 299     done (1);
 300     return 1;
 301 }