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

   1
   2 /*
   3  * anno.c -- annotate messages
   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  *      Four new options have been added: delete, list, number, and draft.
  10  *      Message header fields are used by the new MIME attachment code in
  11  *      the send command.  Adding features to generalize the anno command
  12  *      seemed to be a better approach than the creation of a new command
  13  *      whose features would overlap with those of the anno command.
  14  *
  15  *      The -draft option causes anno to operate on the current draft file
  16  *      instead of on a message sequence.
  17  *
  18  *      The -delete option deletes header elements that match the -component
  19  *      field name.  If -delete is used without the -text option, the first
  20  *      header field whose field name matches the component name is deleted.
  21  *      If the -delete is used with the -text option, and the -text argument
  22  *      begins with a /, the first header field whose field name matches the
  23  *      component name and whose field body matches the text is deleted.  If
  24  *      the -text argument does not begin with a /, then the text is assumed
  25  *      to be the last component of a path name, and the first header field
  26  *      whose field name matches the component name and a field body whose
  27  *      last path name component matches the text is deleted.  If the -delete
  28  *      option is used with the new -number option described below, the nth
  29  *      header field whose field name matches the component name is deleted.
  30  *      No header fields are deleted if none of the above conditions are met.
  31  *
  32  *      The -list option outputs the field bodies from each header field whose
  33  *      field name matches the component name, one per line.  If no -text
  34  *      option is specified, only the last path name component of each field
  35  *      body is output.  The entire field body is output if the -text option
  36  *      is used; the contents of the -text argument are ignored.  If the -list
  37  *      option is used in conjuction with the new -number option described
  38  *      below, each line is numbered starting with 1.  A tab separates the
  39  *      number from the field body.
  40  *
  41  *      The -number option works with both the -delete and -list options as
  42  *      described above.  The -number option takes an optional argument.  A
  43  *      value of 1 is assumed if this argument is absent.
  44  */
  45
  46 #include <h/mh.h>
  47 #include <h/utils.h>
  48
  49 #define ANNO_SWITCHES \
  50     X("component field", 0, COMPSW) \
  51     X("inplace", 0, INPLSW) \
  52     X("noinplace", 0, NINPLSW) \
  53     X("date", 0, DATESW) \
  54     X("nodate", 0, NDATESW) \
  55     X("text body", 0, TEXTSW) \
  56     X("version", 0, VERSIONSW) \
  57     X("help", 0, HELPSW) \
  58     X("draft", 2, DRFTSW) \
  59     X("list", 1, LISTSW) \
  60     X("delete", 2, DELETESW) \
  61     X("number", 2, NUMBERSW) \
  62     X("append", 1, APPENDSW) \
  63     X("preserve", 1, PRESERVESW) \
  64     X("nopreserve", 3, NOPRESERVESW) \
  65
  66 #define X(sw, minchars, id) id,
  67 DEFINE_SWITCH_ENUM(ANNO);
  68 #undef X
  69
  70 #define X(sw, minchars, id) { sw, minchars, id },
  71 DEFINE_SWITCH_ARRAY(ANNO, switches);
  72 #undef X
  73
  74 /*
  75  * static prototypes
  76  */
  77 static void make_comp (char **);
  78
  79
  80 int
  81 main (int argc, char **argv)
  82 {
  83     int inplace = 1, datesw = 1;
  84     int msgnum;
  85     char *cp, *maildir;
  86     char *comp = NULL, *text = NULL, *folder = NULL, buf[BUFSIZ];
  87     char **argp, **arguments;
  88     struct msgs_array msgs = { 0, 0, NULL };
  89     struct msgs *mp;
  90     int         append = 0;             /* append annotations instead of default prepend */
  91     int         delete = -2;            /* delete header element if set */
  92     char        *draft = (char *)0;     /* draft file name */
  93     int         isdf = 0;               /* return needed for m_draft() */
  94     int         list = 0;               /* list header elements if set */
  95     int         number = 0;             /* delete specific number of like elements if set */
  96
  97 #ifdef LOCALE
  98     setlocale(LC_ALL, "");
  99 #endif
 100     invo_name = r1bindex (argv[0], '/');
 101
 102     /* read user profile/context */
 103     context_read();
 104
 105     arguments = getarguments (invo_name, argc, argv, 1);
 106     argp = arguments;
 107
 108     while ((cp = *argp++)) {
 109         if (*cp == '-') {
 110             switch (smatch (++cp, switches)) {
 111                 case AMBIGSW:
 112                     ambigsw (cp, switches);
 113                     done (1);
 114                 case UNKWNSW:
 115                     adios (NULL, "-%s unknown", cp);
 116
 117                 case HELPSW:
 118                     snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
 119                         invo_name);
 120                     print_help (buf, switches, 1);
 121                     done (0);
 122                 case VERSIONSW:
 123                     print_version(invo_name);
 124                     done (0);
 125
 126                 case COMPSW:
 127                     if (comp)
 128                         adios (NULL, "only one component at a time!");
 129                     if (!(comp = *argp++) || *comp == '-')
 130                         adios (NULL, "missing argument to %s", argp[-2]);
 131                     continue;
 132
 133                 case DATESW:
 134                     datesw++;
 135                     continue;
 136                 case NDATESW:
 137                     datesw = 0;
 138                     continue;
 139
 140                 case INPLSW:
 141                     inplace++;
 142                     continue;
 143                 case NINPLSW:
 144                     inplace = 0;
 145                     continue;
 146
 147                 case TEXTSW:
 148                     if (text)
 149                         adios (NULL, "only one body at a time!");
 150                     if (!(text = *argp++) || *text == '-')
 151                         adios (NULL, "missing argument to %s", argp[-2]);
 152                     continue;
 153
 154                 case DELETESW:          /* delete annotations */
 155                     delete = 0;
 156                     continue;
 157
 158                 case DRFTSW:            /* draft message specified */
 159                     draft = "";
 160                     continue;
 161
 162                 case LISTSW:            /* produce a listing */
 163                     list = 1;
 164                     continue;
 165
 166                 case NUMBERSW:          /* number listing or delete by number */
 167                     if (number != 0)
 168                         adios (NULL, "only one number at a time!");
 169
 170                     if (argp - arguments == argc - 1 || **argp == '-')
 171                         number = 1;
 172
 173                     else {
 174                         if (strcmp(*argp, "all") == 0)
 175                             number = -1;
 176
 177                         else if (!(number = atoi(*argp)))
 178                             adios (NULL, "missing argument to %s", argp[-2]);
 179
 180                         argp++;
 181                     }
 182
 183                     delete = number;
 184                     continue;
 185
 186                 case APPENDSW:          /* append annotations instead of default prepend */
 187                     append = 1;
 188                     continue;
 189
 190                 case PRESERVESW:        /* preserve access and modification times on annotated message */
 191                     annopreserve(1);
 192                     continue;
 193
 194                 case NOPRESERVESW:      /* don't preserve access and modification times on annotated message (default) */
 195                     annopreserve(0);
 196                     continue;
 197             }
 198         }
 199         if (*cp == '+' || *cp == '@') {
 200             if (folder)
 201                 adios (NULL, "only one folder at a time!");
 202             else
 203                 folder = pluspath (cp);
 204         } else
 205                 app_msgarg(&msgs, cp);
 206     }
 207
 208     /*
 209      *  We're dealing with the draft message instead of message numbers.
 210      *  Get the name of the draft and deal with it just as we do with
 211      *  message numbers below.
 212      */
 213
 214     if (draft != (char *)0) {
 215         if (msgs.size != 0)
 216             adios(NULL, "can only have message numbers or -draft.");
 217
 218         draft = getcpy(m_draft(folder, (char *)0, 1, &isdf));
 219
 220         make_comp(&comp);
 221
 222         if (list)
 223             annolist(draft, comp, text, number);
 224         else
 225             annotate (draft, comp, text, inplace, datesw, delete, append);
 226
 227         done(0);
 228         return 1;
 229     }
 230
 231     if (!context_find ("path"))
 232         free (path ("./", TFOLDER));
 233     if (!msgs.size)
 234         app_msgarg(&msgs, "cur");
 235     if (!folder)
 236         folder = getfolder (1);
 237     maildir = m_maildir (folder);
 238
 239     if (chdir (maildir) == NOTOK)
 240         adios (maildir, "unable to change directory to");
 241
 242     /* read folder and create message structure */
 243     if (!(mp = folder_read (folder, 1)))
 244         adios (NULL, "unable to read folder %s", folder);
 245
 246     /* check for empty folder */
 247     if (mp->nummsg == 0)
 248         adios (NULL, "no messages in %s", folder);
 249
 250     /* parse all the message ranges/sequences and set SELECTED */
 251     for (msgnum = 0; msgnum < msgs.size; msgnum++)
 252         if (!m_convert (mp, msgs.msgs[msgnum]))
 253             done (1);
 254
 255     make_comp (&comp);
 256
 257     /* annotate all the SELECTED messages */
 258     for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 259         if (is_selected(mp, msgnum)) {
 260             if (list)
 261                 annolist(m_name(msgnum), comp, text, number);
 262             else
 263                 annotate (m_name (msgnum), comp, text, inplace, datesw, delete, append);
 264         }
 265     }
 266
 267     context_replace (pfolder, folder);  /* update current folder  */
 268     seq_setcur (mp, mp->lowsel);        /* update current message */
 269     seq_save (mp);      /* synchronize message sequences */
 270     folder_free (mp);   /* free folder/message structure */
 271     context_save ();    /* save the context file         */
 272     done (0);
 273     return 1;
 274 }
 275
 276 static void
 277 make_comp (char **ap)
 278 {
 279     char *cp, buffer[BUFSIZ];
 280
 281     if (*ap == NULL) {
 282         printf ("Enter component name: ");
 283         fflush (stdout);
 284
 285         if (fgets (buffer, sizeof buffer, stdin) == NULL)
 286             done (1);
 287         *ap = trimcpy (buffer);
 288     }
 289
 290     if ((cp = *ap + strlen (*ap) - 1) > *ap && *cp == ':')
 291         *cp = 0;
 292     if (strlen (*ap) == 0)
 293         adios (NULL, "null component name");
 294     if (**ap == '-')
 295         adios (NULL, "invalid component name %s", *ap);
 296     if (strlen (*ap) >= NAMESZ)
 297         adios (NULL, "too large component name %s", *ap);
 298
 299     for (cp = *ap; *cp; cp++)
 300         if (!isalnum ((unsigned char) *cp) && *cp != '-')
 301             adios (NULL, "invalid component name %s", *ap);
 302 }