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