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

   1 /* anno.c -- annotate messages
   2  *
   3  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   4  * COPYRIGHT file in the root directory of the nmh distribution for
   5  * complete copyright information.
   6  *
   7  *      Four new options have been added: delete, list, number, and draft.
   8  *      Message header fields are used by the new MIME attachment code in
   9  *      the send command.  Adding features to generalize the anno command
  10  *      seemed to be a better approach than the creation of a new command
  11  *      whose features would overlap with those of the anno command.
  12  *
  13  *      The -draft option causes anno to operate on the current draft file
  14  *      instead of on a message sequence.
  15  *
  16  *      The -delete option deletes header elements that match the -component
  17  *      field name.  If -delete is used without the -text option, the first
  18  *      header field whose field name matches the component name is deleted.
  19  *      If the -delete is used with the -text option, and the -text argument
  20  *      begins with a /, the first header field whose field name matches the
  21  *      component name and whose field body matches the text is deleted.  If
  22  *      the -text argument does not begin with a /, then the text is assumed
  23  *      to be the last component of a path name, and the first header field
  24  *      whose field name matches the component name and a field body whose
  25  *      last path name component matches the text is deleted.  If the -delete
  26  *      option is used with the new -number option described below, the nth
  27  *      header field whose field name matches the component name is deleted.
  28  *      No header fields are deleted if none of the above conditions are met.
  29  *
  30  *      The -list option outputs the field bodies from each header field whose
  31  *      field name matches the component name, one per line.  If no -text
  32  *      option is specified, only the last path name component of each field
  33  *      body is output.  The entire field body is output if the -text option
  34  *      is used; the contents of the -text argument are ignored.  If the -list
  35  *      option is used in conjunction with the new -number option described
  36  *      below, each line is numbered starting with 1.  A tab separates the
  37  *      number from the field body.
  38  *
  39  *      The -number option works with both the -delete and -list options as
  40  *      described above.  The -number option takes an optional argument.  A
  41  *      value of 1 is assumed if this argument is absent.
  42  */
  43
  44 #include "h/mh.h"
  45 #include "sbr/ambigsw.h"
  46 #include "sbr/path.h"
  47 #include "sbr/print_version.h"
  48 #include "sbr/print_help.h"
  49 #include "sbr/error.h"
  50 #include "h/utils.h"
  51 #include "h/done.h"
  52 #include "sbr/m_maildir.h"
  53
  54 #define ANNO_SWITCHES \
  55     X("component field", 0, COMPSW) \
  56     X("inplace", 0, INPLSW) \
  57     X("noinplace", 0, NINPLSW) \
  58     X("date", 0, DATESW) \
  59     X("nodate", 0, NDATESW) \
  60     X("text body", 0, TEXTSW) \
  61     X("version", 0, VERSIONSW) \
  62     X("help", 0, HELPSW) \
  63     X("draft", 2, DRFTSW) \
  64     X("list", 1, LISTSW) \
  65     X("delete", 2, DELETESW) \
  66     X("number", 2, NUMBERSW) \
  67     X("append", 1, APPENDSW) \
  68     X("preserve", 1, PRESERVESW) \
  69     X("nopreserve", 3, NOPRESERVESW) \
  70
  71 #define X(sw, minchars, id) id,
  72 DEFINE_SWITCH_ENUM(ANNO);
  73 #undef X
  74
  75 #define X(sw, minchars, id) { sw, minchars, id },
  76 DEFINE_SWITCH_ARRAY(ANNO, switches);
  77 #undef X
  78
  79 /*
  80  * static prototypes
  81  */
  82 static void make_comp (char **);
  83
  84
  85 int
  86 main (int argc, char **argv)
  87 {
  88     bool inplace, datesw;
  89     int msgnum;
  90     char *cp, *maildir;
  91     char *comp = NULL, *text = NULL, *folder = NULL, buf[BUFSIZ];
  92     char **argp, **arguments;
  93     struct msgs_array msgs = { 0, 0, NULL };
  94     struct msgs *mp;
  95     bool        append;                 /* append annotations instead of default prepend */
  96     int         delete = -2;            /* delete header element if set */
  97     char        *draft = NULL;  /* draft file name */
  98     int         isdf = 0;               /* return needed for m_draft() */
  99     bool        list;                   /* list header elements if set */
 100     int         number = 0;             /* delete specific number of like elements if set */
 101
 102     if (nmh_init(argv[0], true, true)) { return 1; }
 103
 104     arguments = getarguments (invo_name, argc, argv, 1);
 105     argp = arguments;
 106
 107     append = list = false;
 108     inplace = datesw = true;
 109     while ((cp = *argp++)) {
 110         if (*cp == '-') {
 111             switch (smatch (++cp, switches)) {
 112                 case AMBIGSW:
 113                     ambigsw (cp, switches);
 114                     done (1);
 115                 case UNKWNSW:
 116                     die("-%s unknown", cp);
 117
 118                 case HELPSW:
 119                     snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
 120                         invo_name);
 121                     print_help (buf, switches, 1);
 122                     done (0);
 123                 case VERSIONSW:
 124                     print_version(invo_name);
 125                     done (0);
 126
 127                 case COMPSW:
 128                     if (comp)
 129                         die("only one component at a time!");
 130                     if (!(comp = *argp++) || *comp == '-')
 131                         die("missing argument to %s", argp[-2]);
 132                     continue;
 133
 134                 case DATESW:
 135                     datesw = true;
 136                     continue;
 137                 case NDATESW:
 138                     datesw = false;
 139                     continue;
 140
 141                 case INPLSW:
 142                     inplace = true;
 143                     continue;
 144                 case NINPLSW:
 145                     inplace = false;
 146                     continue;
 147
 148                 case TEXTSW:
 149                     if (text)
 150                         die("only one body at a time!");
 151                     if (!(text = *argp++) || *text == '-')
 152                         die("missing argument to %s", argp[-2]);
 153                     continue;
 154
 155                 case DELETESW:          /* delete annotations */
 156                     delete = 0;
 157                     continue;
 158
 159                 case DRFTSW:            /* draft message specified */
 160                     draft = "";
 161                     continue;
 162
 163                 case LISTSW:            /* produce a listing */
 164                     list = true;
 165                     continue;
 166
 167                 case NUMBERSW:          /* number listing or delete by number */
 168                     if (number != 0)
 169                         die("only one number at a time!");
 170
 171                     if (argp - arguments == argc - 1 || **argp == '-')
 172                         number = 1;
 173
 174                     else {
 175                         if (strcmp(*argp, "all") == 0)
 176                             number = -1;
 177
 178                         else if (!(number = atoi(*argp)))
 179                             die("missing argument to %s", argp[-1]);
 180
 181                         argp++;
 182                     }
 183
 184                     delete = number;
 185                     continue;
 186
 187                 case APPENDSW:          /* append annotations instead of default prepend */
 188                     append = true;
 189                     continue;
 190
 191                 case PRESERVESW:        /* preserve access and modification times on annotated message */
 192                     annopreserve(1);
 193                     continue;
 194
 195                 case NOPRESERVESW:      /* don't preserve access and modification times on annotated message (default) */
 196                     annopreserve(0);
 197                     continue;
 198             }
 199         }
 200         if (*cp == '+' || *cp == '@') {
 201             if (folder)
 202                 die("only one folder at a time!");
 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 != NULL) {
 215         if (msgs.size != 0)
 216             die("can only have message numbers or -draft.");
 217
 218         draft = mh_xstrdup(m_draft(folder, NULL, 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         die("unable to read folder %s", folder);
 245
 246     /* check for empty folder */
 247     if (mp->nummsg == 0)
 248         die("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         fputs("Enter component name: ", stdout);
 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 (!**ap)
 293         die("null component name");
 294     if (**ap == '-')
 295         die("invalid component name %s", *ap);
 296     if (strlen (*ap) >= NAMESZ)
 297         die("too large component name %s", *ap);
 298
 299     for (cp = *ap; *cp; cp++)
 300         if (!isalnum ((unsigned char) *cp) && *cp != '-')
 301             die("invalid component name %s", *ap);
 302 }