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/seq_setcur.h"
  46 #include "sbr/seq_save.h"
  47 #include "sbr/smatch.h"
  48 #include "sbr/trimcpy.h"
  49 #include "sbr/m_draft.h"
  50 #include "sbr/m_convert.h"
  51 #include "sbr/getfolder.h"
  52 #include "sbr/folder_read.h"
  53 #include "sbr/folder_free.h"
  54 #include "sbr/context_save.h"
  55 #include "sbr/context_replace.h"
  56 #include "sbr/context_find.h"
  57 #include "sbr/ambigsw.h"
  58 #include "sbr/path.h"
  59 #include "sbr/print_version.h"
  60 #include "sbr/print_help.h"
  61 #include "sbr/error.h"
  62 #include "h/utils.h"
  63 #include "h/done.h"
  64 #include "sbr/m_maildir.h"
  65
  66 #define ANNO_SWITCHES \
  67     X("component field", 0, COMPSW) \
  68     X("inplace", 0, INPLSW) \
  69     X("noinplace", 0, NINPLSW) \
  70     X("date", 0, DATESW) \
  71     X("nodate", 0, NDATESW) \
  72     X("text body", 0, TEXTSW) \
  73     X("version", 0, VERSIONSW) \
  74     X("help", 0, HELPSW) \
  75     X("draft", 2, DRFTSW) \
  76     X("list", 1, LISTSW) \
  77     X("delete", 2, DELETESW) \
  78     X("number", 2, NUMBERSW) \
  79     X("append", 1, APPENDSW) \
  80     X("preserve", 1, PRESERVESW) \
  81     X("nopreserve", 3, NOPRESERVESW) \
  82
  83 #define X(sw, minchars, id) id,
  84 DEFINE_SWITCH_ENUM(ANNO);
  85 #undef X
  86
  87 #define X(sw, minchars, id) { sw, minchars, id },
  88 DEFINE_SWITCH_ARRAY(ANNO, switches);
  89 #undef X
  90
  91 /*
  92  * static prototypes
  93  */
  94 static void make_comp (char **);
  95
  96
  97 int
  98 main (int argc, char **argv)
  99 {
 100     bool inplace, datesw;
 101     int msgnum;
 102     char *cp, *maildir;
 103     char *comp = NULL, *text = NULL, *folder = NULL, buf[BUFSIZ];
 104     char **argp, **arguments;
 105     struct msgs_array msgs = { 0, 0, NULL };
 106     struct msgs *mp;
 107     bool        append;                 /* append annotations instead of default prepend */
 108     int         delete = -2;            /* delete header element if set */
 109     char        *draft = NULL;  /* draft file name */
 110     int         isdf = 0;               /* return needed for m_draft() */
 111     bool        list;                   /* list header elements if set */
 112     int         number = 0;             /* delete specific number of like elements if set */
 113
 114     if (nmh_init(argv[0], true, true)) { return 1; }
 115
 116     arguments = getarguments (invo_name, argc, argv, 1);
 117     argp = arguments;
 118
 119     append = list = false;
 120     inplace = datesw = true;
 121     while ((cp = *argp++)) {
 122         if (*cp == '-') {
 123             switch (smatch (++cp, switches)) {
 124                 case AMBIGSW:
 125                     ambigsw (cp, switches);
 126                     done (1);
 127                 case UNKWNSW:
 128                     die("-%s unknown", cp);
 129
 130                 case HELPSW:
 131                     snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
 132                         invo_name);
 133                     print_help (buf, switches, 1);
 134                     done (0);
 135                 case VERSIONSW:
 136                     print_version(invo_name);
 137                     done (0);
 138
 139                 case COMPSW:
 140                     if (comp)
 141                         die("only one component at a time!");
 142                     if (!(comp = *argp++) || *comp == '-')
 143                         die("missing argument to %s", argp[-2]);
 144                     continue;
 145
 146                 case DATESW:
 147                     datesw = true;
 148                     continue;
 149                 case NDATESW:
 150                     datesw = false;
 151                     continue;
 152
 153                 case INPLSW:
 154                     inplace = true;
 155                     continue;
 156                 case NINPLSW:
 157                     inplace = false;
 158                     continue;
 159
 160                 case TEXTSW:
 161                     if (text)
 162                         die("only one body at a time!");
 163                     if (!(text = *argp++) || *text == '-')
 164                         die("missing argument to %s", argp[-2]);
 165                     continue;
 166
 167                 case DELETESW:          /* delete annotations */
 168                     delete = 0;
 169                     continue;
 170
 171                 case DRFTSW:            /* draft message specified */
 172                     draft = "";
 173                     continue;
 174
 175                 case LISTSW:            /* produce a listing */
 176                     list = true;
 177                     continue;
 178
 179                 case NUMBERSW:          /* number listing or delete by number */
 180                     if (number != 0)
 181                         die("only one number at a time!");
 182
 183                     if (argp - arguments == argc - 1 || **argp == '-')
 184                         number = 1;
 185
 186                     else {
 187                         if (strcmp(*argp, "all") == 0)
 188                             number = -1;
 189
 190                         else if (!(number = atoi(*argp)))
 191                             die("missing argument to %s", argp[-1]);
 192
 193                         argp++;
 194                     }
 195
 196                     delete = number;
 197                     continue;
 198
 199                 case APPENDSW:          /* append annotations instead of default prepend */
 200                     append = true;
 201                     continue;
 202
 203                 case PRESERVESW:        /* preserve access and modification times on annotated message */
 204                     annopreserve(1);
 205                     continue;
 206
 207                 case NOPRESERVESW:      /* don't preserve access and modification times on annotated message (default) */
 208                     annopreserve(0);
 209                     continue;
 210             }
 211         }
 212         if (*cp == '+' || *cp == '@') {
 213             if (folder)
 214                 die("only one folder at a time!");
 215             folder = pluspath (cp);
 216         } else
 217                 app_msgarg(&msgs, cp);
 218     }
 219
 220     /*
 221      *  We're dealing with the draft message instead of message numbers.
 222      *  Get the name of the draft and deal with it just as we do with
 223      *  message numbers below.
 224      */
 225
 226     if (draft != NULL) {
 227         if (msgs.size != 0)
 228             die("can only have message numbers or -draft.");
 229
 230         draft = mh_xstrdup(m_draft(folder, NULL, 1, &isdf));
 231
 232         make_comp(&comp);
 233
 234         if (list)
 235             annolist(draft, comp, text, number);
 236         else
 237             annotate (draft, comp, text, inplace, datesw, delete, append);
 238
 239         done(0);
 240         return 1;
 241     }
 242
 243     if (!context_find ("path"))
 244         free (path ("./", TFOLDER));
 245     if (!msgs.size)
 246         app_msgarg(&msgs, "cur");
 247     if (!folder)
 248         folder = getfolder (1);
 249     maildir = m_maildir (folder);
 250
 251     if (chdir (maildir) == NOTOK)
 252         adios (maildir, "unable to change directory to");
 253
 254     /* read folder and create message structure */
 255     if (!(mp = folder_read (folder, 1)))
 256         die("unable to read folder %s", folder);
 257
 258     /* check for empty folder */
 259     if (mp->nummsg == 0)
 260         die("no messages in %s", folder);
 261
 262     /* parse all the message ranges/sequences and set SELECTED */
 263     for (msgnum = 0; msgnum < msgs.size; msgnum++)
 264         if (!m_convert (mp, msgs.msgs[msgnum]))
 265             done (1);
 266
 267     make_comp (&comp);
 268
 269     /* annotate all the SELECTED messages */
 270     for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 271         if (is_selected(mp, msgnum)) {
 272             if (list)
 273                 annolist(m_name(msgnum), comp, text, number);
 274             else
 275                 annotate (m_name (msgnum), comp, text, inplace, datesw, delete, append);
 276         }
 277     }
 278
 279     context_replace (pfolder, folder);  /* update current folder  */
 280     seq_setcur (mp, mp->lowsel);        /* update current message */
 281     seq_save (mp);      /* synchronize message sequences */
 282     folder_free (mp);   /* free folder/message structure */
 283     context_save ();    /* save the context file         */
 284     done (0);
 285     return 1;
 286 }
 287
 288 static void
 289 make_comp (char **ap)
 290 {
 291     char *cp, buffer[BUFSIZ];
 292
 293     if (*ap == NULL) {
 294         fputs("Enter component name: ", stdout);
 295         fflush (stdout);
 296
 297         if (fgets (buffer, sizeof buffer, stdin) == NULL)
 298             done (1);
 299         *ap = trimcpy (buffer);
 300     }
 301
 302     if ((cp = *ap + strlen (*ap) - 1) > *ap && *cp == ':')
 303         *cp = 0;
 304     if (!**ap)
 305         die("null component name");
 306     if (**ap == '-')
 307         die("invalid component name %s", *ap);
 308     if (strlen (*ap) >= NAMESZ)
 309         die("too large component name %s", *ap);
 310
 311     for (cp = *ap; *cp; cp++)
 312         if (!isalnum ((unsigned char) *cp) && *cp != '-')
 313             die("invalid component name %s", *ap);
 314 }