pith/charset.h

   1 /*
   2  * $Id: charset.h 765 2007-10-23 23:51:37Z hubert@u.washington.edu $
   3  *
   4  * ========================================================================
   5  * Copyright 2006 University of Washington
   6  *
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *     http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * ========================================================================
  14  */
  15
  16 #ifndef PITH_CHARSET_INCLUDED
  17 #define PITH_CHARSET_INCLUDED
  18
  19
  20 #include "../pith/filttype.h"
  21
  22
  23 typedef struct conversion_table {
  24     char          *from_charset;
  25     char          *to_charset;
  26     int            quality;
  27     void          *table;
  28     filter_t       convert;
  29 } CONV_TABLE;
  30
  31
  32 /* Conversion table quality of tranlation */
  33 #define CV_NO_TRANSLATE_POSSIBLE        1       /* We don't know how to      */
  34                                                 /* translate this pair       */
  35 #define CV_NO_TRANSLATE_NEEDED          2       /* Not necessary, no-op      */
  36 #define CV_LOSES_SPECIAL_CHARS          3       /* Letters will translate    */
  37                                                 /* ok but some special chars */
  38                                                 /* may be lost               */
  39 #define CV_LOSES_SOME_LETTERS           4       /* Some special chars and    */
  40                                                 /* some letters may be lost  */
  41
  42
  43 #define CSET_MAX                64
  44
  45
  46 /* exported protoypes */
  47 char          *body_charset(MAILSTREAM *, long, unsigned char *);
  48 unsigned char *trans_euc_to_2022_jp(unsigned char *);
  49 unsigned char *rfc1522_decode_to_utf8(unsigned char *, size_t, char *);
  50 char          *rfc1522_encode(char *, size_t, unsigned char *, char *);
  51 CONV_TABLE    *conversion_table(char *, char *);
  52 void           decode_addr_names_to_utf8(ADDRESS *);
  53 void           convert_possibly_encoded_str_to_utf8(char **);
  54
  55
  56 #endif /* PITH_CHARSET_INCLUDED */