tools/rfc822parse.h

   1 /* rfc822parse.h - Simple mail and MIME parser
   2  *      Copyright (C) 1999 Werner Koch, Duesseldorf
   3  *      Copyright (C) 2003, g10 Code GmbH
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public License
   7  * as published by the Free Software Foundation; either version 3 of
   8  * the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this program; if not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifndef RFC822PARSE_H
  20 #define RFC822PARSE_H
  21
  22 struct rfc822parse_context;
  23 typedef struct rfc822parse_context *rfc822parse_t;
  24
  25 typedef enum
  26   {
  27     RFC822PARSE_OPEN = 1,
  28     RFC822PARSE_CLOSE,
  29     RFC822PARSE_CANCEL,
  30     RFC822PARSE_T2BODY,
  31     RFC822PARSE_FINISH,
  32     RFC822PARSE_RCVD_SEEN,
  33     RFC822PARSE_LEVEL_DOWN,
  34     RFC822PARSE_LEVEL_UP,
  35     RFC822PARSE_BOUNDARY,
  36     RFC822PARSE_LAST_BOUNDARY,
  37     RFC822PARSE_BEGIN_HEADER,
  38     RFC822PARSE_PREAMBLE,
  39     RFC822PARSE_EPILOGUE
  40   }
  41 rfc822parse_event_t;
  42
  43 struct rfc822parse_field_context;
  44 typedef struct rfc822parse_field_context *rfc822parse_field_t;
  45
  46
  47 typedef int (*rfc822parse_cb_t) (void *opaque,
  48                                  rfc822parse_event_t event,
  49                                  rfc822parse_t msg);
  50
  51
  52 rfc822parse_t rfc822parse_open (rfc822parse_cb_t cb, void *opaque_value);
  53
  54 void rfc822parse_close (rfc822parse_t msg);
  55
  56 void rfc822parse_cancel (rfc822parse_t msg);
  57 int rfc822parse_finish (rfc822parse_t msg);
  58
  59 int rfc822parse_insert (rfc822parse_t msg,
  60                         const unsigned char *line, size_t length);
  61
  62 char *rfc822parse_get_field (rfc822parse_t msg, const char *name, int which,
  63                              size_t *valueoff);
  64
  65 const char *rfc822parse_enum_header_lines (rfc822parse_t msg, void **context);
  66
  67 rfc822parse_field_t rfc822parse_parse_field (rfc822parse_t msg,
  68                                              const char *name,
  69                                              int which);
  70
  71 void rfc822parse_release_field (rfc822parse_field_t field);
  72
  73 const char *rfc822parse_query_parameter (rfc822parse_field_t ctx,
  74                                          const char *attr, int lower_value);
  75
  76 const char *rfc822parse_query_media_type (rfc822parse_field_t ctx,
  77                                           const char **subtype);
  78
  79 #endif /*RFC822PARSE_H */