src/procmime.h

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2001 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (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 General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifndef __PROCMIME_H__
  21 #define __PROCMIME_H__
  22
  23 #ifdef __cplusplus
  24 extern "C" {
  25 #endif /* __cplusplus */
  26
  27 #ifdef HAVE_CONFIG_H
  28 #  include "config.h"
  29 #endif
  30
  31 #include <glib.h>
  32 #include <stdio.h>
  33
  34 typedef struct _MimeType        MimeType;
  35 typedef struct _MimeInfo        MimeInfo;
  36
  37 #include "procmsg.h"
  38
  39 typedef enum
  40 {
  41         ENC_7BIT,
  42         ENC_8BIT,
  43         ENC_BINARY,
  44         ENC_QUOTED_PRINTABLE,
  45         ENC_BASE64,
  46         ENC_X_UUENCODE,
  47         ENC_UNKNOWN
  48 } EncodingType;
  49
  50 typedef enum
  51 {
  52         MIME_TEXT,
  53         MIME_TEXT_HTML,
  54         MIME_MESSAGE_RFC822,
  55         MIME_APPLICATION,
  56         MIME_APPLICATION_OCTET_STREAM,
  57         MIME_MULTIPART,
  58         MIME_IMAGE,
  59         MIME_AUDIO,
  60         MIME_TEXT_ENRICHED,
  61         MIME_UNKNOWN
  62 } ContentType;
  63
  64 struct _MimeType
  65 {
  66         gchar *type;
  67         gchar *sub_type;
  68
  69         gchar *extension;
  70 };
  71
  72 /*
  73  * An example of MimeInfo structure:
  74  *
  75  * multipart/mixed            root  <-+ parent
  76  *                                    |
  77  *   multipart/alternative      children <-+ parent
  78  *                                         |
  79  *     text/plain                 children  --+
  80  *                                            |
  81  *     text/html                  next      <-+
  82  *
  83  *   message/rfc822             next  <-+ main
  84  *                                      |
  85  *                                sub (capsulated message)
  86  *
  87  *   image/jpeg                 next
  88  */
  89
  90 struct _MimeInfo
  91 {
  92         gchar *encoding;
  93
  94         EncodingType encoding_type;
  95         ContentType  mime_type;
  96
  97         gchar *content_type;
  98         gchar *charset;
  99         gchar *name;
 100         gchar *boundary;
 101
 102         gchar *content_disposition;
 103         gchar *filename;
 104         gchar *description;
 105
 106         glong fpos;
 107         guint size;
 108
 109         MimeInfo *main;
 110         MimeInfo *sub;
 111
 112         MimeInfo *next;
 113         MimeInfo *parent;
 114         MimeInfo *children;
 115
 116 #if USE_GPGME
 117         MimeInfo *plaintext;
 118         gchar *plaintextfile;
 119         gchar *sigstatus;
 120         gchar *sigstatus_full;
 121 #endif
 122
 123         gint level;
 124 };
 125
 126 #define IS_BOUNDARY(s, bnd, len) \
 127         (bnd && s[0] == '-' && s[1] == '-' && !strncmp(s + 2, bnd, len))
 128
 129 /* MimeInfo handling */
 130
 131 MimeInfo *procmime_mimeinfo_new         (void);
 132 void procmime_mimeinfo_free_all         (MimeInfo       *mimeinfo);
 133
 134 MimeInfo *procmime_mimeinfo_insert      (MimeInfo       *parent,
 135                                          MimeInfo       *mimeinfo);
 136 void procmime_mimeinfo_replace          (MimeInfo       *old_mimeinfo,
 137                                          MimeInfo       *new_mimeinfo);
 138
 139 MimeInfo *procmime_mimeinfo_next        (MimeInfo       *mimeinfo);
 140
 141 MimeInfo *procmime_scan_message         (MsgInfo        *msginfo);
 142 void procmime_scan_multipart_message    (MimeInfo       *mimeinfo,
 143                                          FILE           *fp);
 144
 145 /* scan headers */
 146
 147 void procmime_scan_encoding             (MimeInfo       *mimeinfo,
 148                                          const gchar    *encoding);
 149 void procmime_scan_content_type         (MimeInfo       *mimeinfo,
 150                                          const gchar    *content_type);
 151 void procmime_scan_content_disposition  (MimeInfo       *mimeinfo,
 152                                          const gchar    *content_disposition);
 153 void procmime_scan_content_description  (MimeInfo       *mimeinfo,
 154                                          const gchar    *content_description);
 155 void procmime_scan_subject              (MimeInfo       *mimeinfo,
 156                                          const gchar    *subject);
 157 MimeInfo *procmime_scan_mime_header     (FILE           *fp);
 158
 159 FILE *procmime_decode_content           (FILE           *outfp,
 160                                          FILE           *infp,
 161                                          MimeInfo       *mimeinfo);
 162 gint procmime_get_part                  (const gchar    *outfile,
 163                                          const gchar    *infile,
 164                                          MimeInfo       *mimeinfo);
 165 FILE *procmime_get_text_content         (MimeInfo       *mimeinfo,
 166                                          FILE           *infp);
 167 FILE *procmime_get_first_text_content   (MsgInfo        *msginfo);
 168
 169 gboolean procmime_find_string_part      (MimeInfo       *mimeinfo,
 170                                          const gchar    *filename,
 171                                          const gchar    *str,
 172                                          gboolean        case_sens);
 173 gboolean procmime_find_string           (MsgInfo        *msginfo,
 174                                          const gchar    *str,
 175                                          gboolean        case_sens);
 176
 177 gchar *procmime_get_tmp_file_name       (MimeInfo       *mimeinfo);
 178
 179 ContentType procmime_scan_mime_type     (const gchar    *mime_type);
 180 gchar *procmime_get_mime_type           (const gchar    *filename);
 181
 182 GList *procmime_get_mime_type_list      (void);
 183
 184 EncodingType procmime_get_encoding_for_charset  (const gchar    *charset);
 185 EncodingType procmime_get_encoding_for_file     (const gchar    *file);
 186 const gchar *procmime_get_encoding_str          (EncodingType    encoding);
 187
 188 void renderer_read_config(void);
 189 void renderer_write_config(void);
 190
 191 #ifdef __cplusplus
 192 }
 193 #endif /* __cplusplus */
 194
 195 #endif /* __PROCMIME_H__ */