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/getfolder.h"
  46 #include "sbr/folder_read.h"
  47 #include "sbr/folder_free.h"
  48 #include "sbr/context_save.h"
  49 #include "sbr/context_replace.h"
  50 #include "sbr/context_find.h"
  51 #include "sbr/ambigsw.h"
  52 #include "sbr/path.h"
  53 #include "sbr/print_version.h"
  54 #include "sbr/print_help.h"
  55 #include "sbr/error.h"
  56 #include "h/utils.h"
  57 #include "h/done.h"
  58 #include "sbr/m_maildir.h"
  59
  60 #define ANNO_SWITCHES \
  61     X("component field", 0, COMPSW) \
  62     X("inplace", 0, INPLSW) \
  63     X("noinplace", 0, NINPLSW) \
  64     X("date", 0, DATESW) \
  65     X("nodate", 0, NDATESW) \
  66     X("text body", 0, TEXTSW) \
  67     X("version", 0, VERSIONSW) \
  68     X("help", 0, HELPSW) \
  69     X("draft", 2, DRFTSW) \
  70     X("list", 1, LISTSW) \
  71     X("delete", 2, DELETESW) \
  72     X("number", 2, NUMBERSW) \
  73     X("append", 1, APPENDSW) \
  74     X("preserve", 1, PRESERVESW) \
  75     X("nopreserve", 3, NOPRESERVESW) \
  76
  77 #define X(sw, minchars, id) id,
  78 DEFINE_SWITCH_ENUM(ANNO);
  79 #undef X
  80
  81 #define X(sw, minchars, id) { sw, minchars, id },
  82 DEFINE_SWITCH_ARRAY(ANNO, switches);
  83 #undef X
  84
  85 /*
  86  * static prototypes
  87  */
  88 static void make_comp (char **);
  89
  90
  91 int
  92 main (int argc, char **argv)
  93 {
  94     bool inplace, datesw;
  95     int msgnum;
  96     char *cp, *maildir;
  97     char *comp = NULL, *text = NULL, *folder = NULL, buf[BUFSIZ];
  98     char **argp, **arguments;
  99     struct msgs_array msgs = { 0, 0, NULL };
 100     struct msgs *mp;
 101     bool        append;                 /* append annotations instead of default prepend */
 102     int         delete = -2;            /* delete header element if set */
 103     char        *draft = NULL;  /* draft file name */
 104     int         isdf = 0;               /* return needed for m_draft() */
 105     bool        list;                   /* list header elements if set */
 106     int         number = 0;             /* delete specific number of like elements if set */
 107
 108     if (nmh_init(argv[0], true, true)) { return 1; }
 109
 110     arguments = getarguments (invo_name, argc, argv, 1);
 111     argp = arguments;
 112
 113     append = list = false;
 114     inplace = datesw = true;
 115     while ((cp = *argp++)) {
 116         if (*cp == '-') {
 117             switch (smatch (++cp, switches)) {
 118                 case AMBIGSW:
 119                     ambigsw (cp, switches);
 120                     done (1);
 121                 case UNKWNSW:
 122                     die("-%s unknown", cp);
 123
 124                 case HELPSW:
 125                     snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
 126                         invo_name);
 127                     print_help (buf, switches, 1);
 128                     done (0);
 129                 case VERSIONSW:
 130                     print_version(invo_name);
 131                     done (0);
 132
 133                 case COMPSW:
 134                     if (comp)
 135                         die("only one component at a time!");
 136                     if (!(comp = *argp++) || *comp == '-')
 137                         die("missing argument to %s", argp[-2]);
 138                     continue;
 139
 140                 case DATESW:
 141                     datesw = true;
 142                     continue;
 143                 case NDATESW:
 144                     datesw = false;
 145                     continue;
 146
 147                 case INPLSW:
 148                     inplace = true;
 149                     continue;
 150                 case NINPLSW:
 151                     inplace = false;
 152                     continue;
 153
 154                 case TEXTSW:
 155                     if (text)
 156                         die("only one body at a time!");
 157                     if (!(text = *argp++) || *text == '-')
 158                         die("missing argument to %s", argp[-2]);
 159                     continue;
 160
 161                 case DELETESW:          /* delete annotations */
 162                     delete = 0;
 163                     continue;
 164
 165                 case DRFTSW:            /* draft message specified */
 166                     draft = "";
 167                     continue;
 168
 169                 case LISTSW:            /* produce a listing */
 170                     list = true;
 171                     continue;
 172
 173                 case NUMBERSW:          /* number listing or delete by number */
 174                     if (number != 0)
 175                         die("only one number at a time!");
 176
 177                     if (argp - arguments == argc - 1 || **argp == '-')
 178                         number = 1;
 179
 180                     else {
 181                         if (strcmp(*argp, "all") == 0)
 182                             number = -1;
 183
 184                         else if (!(number = atoi(*argp)))
 185                             die("missing argument to %s", argp[-1]);
 186
 187                         argp++;
 188                     }
 189
 190                     delete = number;
 191                     continue;
 192
 193                 case APPENDSW:          /* append annotations instead of default prepend */
 194                     append = true;
 195                     continue;
 196
 197                 case PRESERVESW:        /* preserve access and modification times on annotated message */
 198                     annopreserve(1);
 199                     continue;
 200
 201                 case NOPRESERVESW:      /* don't preserve access and modification times on annotated message (default) */
 202                     annopreserve(0);
 203                     continue;
 204             }
 205         }
 206         if (*cp == '+' || *cp == '@') {
 207             if (folder)
 208                 die("only one folder at a time!");
 209             folder = pluspath (cp);
 210         } else
 211                 app_msgarg(&msgs, cp);
 212     }
 213
 214     /*
 215      *  We're dealing with the draft message instead of message numbers.
 216      *  Get the name of the draft and deal with it just as we do with
 217      *  message numbers below.
 218      */
 219
 220     if (draft != NULL) {
 221         if (msgs.size != 0)
 222             die("can only have message numbers or -draft.");
 223
 224         draft = mh_xstrdup(m_draft(folder, NULL, 1, &isdf));
 225
 226         make_comp(&comp);
 227
 228         if (list)
 229             annolist(draft, comp, text, number);
 230         else
 231             annotate (draft, comp, text, inplace, datesw, delete, append);
 232
 233         done(0);
 234         return 1;
 235     }
 236
 237     if (!context_find ("path"))
 238         free (path ("./", TFOLDER));
 239     if (!msgs.size)
 240         app_msgarg(&msgs, "cur");
 241     if (!folder)
 242         folder = getfolder (1);
 243     maildir = m_maildir (folder);
 244
 245     if (chdir (maildir) == NOTOK)
 246         adios (maildir, "unable to change directory to");
 247
 248     /* read folder and create message structure */
 249     if (!(mp = folder_read (folder, 1)))
 250         die("unable to read folder %s", folder);
 251
 252     /* check for empty folder */
 253     if (mp->nummsg == 0)
 254         die("no messages in %s", folder);
 255
 256     /* parse all the message ranges/sequences and set SELECTED */
 257     for (msgnum = 0; msgnum < msgs.size; msgnum++)
 258         if (!m_convert (mp, msgs.msgs[msgnum]))
 259             done (1);
 260
 261     make_comp (&comp);
 262
 263     /* annotate all the SELECTED messages */
 264     for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 265         if (is_selected(mp, msgnum)) {
 266             if (list)
 267                 annolist(m_name(msgnum), comp, text, number);
 268             else
 269                 annotate (m_name (msgnum), comp, text, inplace, datesw, delete, append);
 270         }
 271     }
 272
 273     context_replace (pfolder, folder);  /* update current folder  */
 274     seq_setcur (mp, mp->lowsel);        /* update current message */
 275     seq_save (mp);      /* synchronize message sequences */
 276     folder_free (mp);   /* free folder/message structure */
 277     context_save ();    /* save the context file         */
 278     done (0);
 279     return 1;
 280 }
 281
 282 static void
 283 make_comp (char **ap)
 284 {
 285     char *cp, buffer[BUFSIZ];
 286
 287     if (*ap == NULL) {
 288         fputs("Enter component name: ", stdout);
 289         fflush (stdout);
 290
 291         if (fgets (buffer, sizeof buffer, stdin) == NULL)
 292             done (1);
 293         *ap = trimcpy (buffer);
 294     }
 295
 296     if ((cp = *ap + strlen (*ap) - 1) > *ap && *cp == ':')
 297         *cp = 0;
 298     if (!**ap)
 299         die("null component name");
 300     if (**ap == '-')
 301         die("invalid component name %s", *ap);
 302     if (strlen (*ap) >= NAMESZ)
 303         die("too large component name %s", *ap);
 304
 305     for (cp = *ap; *cp; cp++)
 306         if (!isalnum ((unsigned char) *cp) && *cp != '-')
 307             die("invalid component name %s", *ap);
 308 }