git.marmaro.de Git - mmh/blob - uip/comp.c

   1 /*
   2 ** comp.c -- compose a message
   3 **
   4 ** This code is Copyright (c) 2002, by the authors of nmh.  See the
   5 ** COPYRIGHT file in the root directory of the nmh distribution for
   6 ** complete copyright information.
   7 */
   8
   9 #include <h/mh.h>
  10 #include <h/utils.h>
  11 #include <fcntl.h>
  12
  13 static struct swit switches[] = {
  14 #define EDITRSW  0
  15         { "editor editor", 0 },
  16 #define NEDITSW  1
  17         { "noedit", 0 },
  18 #define FORMSW  2
  19         { "form formfile", 0 },
  20 #define USESW  3
  21         { "use", 0 },
  22 #define NUSESW  4
  23         { "nouse", 0 },
  24 #define WHATSW  5
  25         { "whatnowproc program", 0 },
  26 #define NWHATSW  6
  27         { "nowhatnowproc", 0 },
  28 #define VERSIONSW  7
  29         { "version", 0 },
  30 #define HELPSW  8
  31         { "help", 0 },
  32         { NULL, 0 }
  33 };
  34
  35
  36 int
  37 main(int argc, char **argv)
  38 {
  39         int use = NOUSE, nedit = 0, nwhat = 0;
  40         int in, out;
  41         char *cp, *cwd, *maildir;
  42         char *ed = NULL, *form = NULL;
  43         char *folder = NULL, *msg = NULL, buf[BUFSIZ];
  44         char drft[BUFSIZ], **argp, **arguments;
  45         struct msgs *mp = NULL;
  46         char *nfs;
  47
  48
  49 #ifdef LOCALE
  50         setlocale(LC_ALL, "");
  51 #endif
  52         invo_name = mhbasename(argv[0]);
  53
  54         /* read user profile/context */
  55         context_read();
  56
  57         arguments = getarguments(invo_name, argc, argv, 1);
  58         argp = arguments;
  59
  60         while ((cp = *argp++)) {
  61                 if (*cp == '-') {
  62                         switch (smatch(++cp, switches)) {
  63                         case AMBIGSW:
  64                                 ambigsw(cp, switches);
  65                                 done(1);
  66                         case UNKWNSW:
  67                                 adios(NULL, "-%s unknown", cp);
  68
  69                         case HELPSW:
  70                                 snprintf(buf, sizeof(buf), "%s [+folder] [msg] [switches]", invo_name);
  71                                 print_help(buf, switches, 1);
  72                                 done(1);
  73                         case VERSIONSW:
  74                                 print_version(invo_name);
  75                                 done(1);
  76
  77                         case EDITRSW:
  78                                 if (!(ed = *argp++) || *ed == '-')
  79                                         adios(NULL, "missing argument to %s", argp[-2]);
  80                                 nedit = 0;
  81                                 continue;
  82                         case NEDITSW:
  83                                 nedit++;
  84                                 continue;
  85
  86                         case WHATSW:
  87                                 if (!(whatnowproc = *argp++) || *whatnowproc == '-')
  88                                         adios(NULL, "missing argument to %s", argp[-2]);
  89                                 nwhat = 0;
  90                                 continue;
  91                         case NWHATSW:
  92                                 nwhat++;
  93                                 continue;
  94
  95                         case FORMSW:
  96                                 if (!(form = *argp++) || *form == '-')
  97                                         adios(NULL, "missing argument to %s", argp[-2]);
  98                                 continue;
  99
 100                         case USESW:
 101                                 use++;
 102                                 continue;
 103                         case NUSESW:
 104                                 use = NOUSE;
 105                                 continue;
 106                         }
 107                 }
 108                 if (*cp == '+' || *cp == '@') {
 109                         if (folder)
 110                                 adios(NULL, "only one folder at a time!");
 111                         else
 112                                 folder = getcpy(expandfol(cp));
 113                 } else {
 114                         if (msg)
 115                                 adios(NULL, "only one message at a time!");
 116                         else
 117                                 msg = cp;
 118                 }
 119         }
 120
 121         cwd = getcpy(pwd());
 122
 123         if (form && (folder || msg))
 124                 adios(NULL, "can't mix forms and folders/msgs");
 125
 126         if (use && folder)
 127                 adios(NULL, "can't mix -use and +folder");
 128
 129         if (use) {
 130                 /* Don't copy; the draft shall get removed in the end. */
 131                 strncpy(drft, m_draft(msg ? msg : seq_cur), sizeof(drft));
 132
 133         } else if (folder || msg) {
 134                 /* Take a message as the "form" for the new message. */
 135                 if (!msg)
 136                         msg = seq_cur;
 137                 if (!folder)
 138                         folder = getcurfol();
 139                 maildir = toabsdir(folder);
 140                 if (chdir(maildir) == NOTOK)
 141                         adios(maildir, "unable to change directory to");
 142                 /* read folder and create message structure */
 143                 if (!(mp = folder_read(folder)))
 144                         adios(NULL, "unable to read folder %s", folder);
 145                 /* check for empty folder */
 146                 if (mp->nummsg == 0)
 147                         adios(NULL, "no messages in %s", folder);
 148                 /* parse the message range/sequence/name and set SELECTED */
 149                 if (!m_convert(mp, msg))
 150                         done(1);
 151                 seq_setprev(mp);  /* set the previous-sequence */
 152                 if (mp->numsel > 1)
 153                         adios(NULL, "only one message at a time!");
 154                 if ((in = open(form = getcpy(m_name(mp->lowsel)),
 155                                 O_RDONLY)) == NOTOK)
 156                         adios(form, "unable to open message");
 157
 158                 strncpy(drft, m_draft(seq_beyond), sizeof(drft));
 159                 if ((out = creat(drft, m_gmprot())) == NOTOK) {
 160                         adios(drft, "unable to create");
 161                 }
 162                 cpydata(in, out, form, drft);
 163                 close(in);
 164                 close(out);
 165
 166         } else {
 167                 nfs = new_fs(form, NULL, components, NULL);
 168                 strncpy(drft, m_draft(seq_beyond), sizeof(drft));
 169                 if ((out = creat(drft, m_gmprot())) == NOTOK) {
 170                         adios(drft, "unable to create");
 171                 }
 172                 if (write(out, nfs, strlen(nfs)) != strlen(nfs)) {
 173                         adios(drft, "error writing");
 174                 }
 175                 close(out);
 176         }
 177
 178         context_save();
 179
 180         if (nwhat) {
 181                 done(0);
 182         }
 183         what_now(ed, nedit, use, drft, NULL, 0, NULLMP, NULL, cwd);
 184         done(1);
 185         return 1;
 186 }