1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
3 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
5 * Authors: Michael Zucchi <notzed@ximian.com>
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of version 2 of the GNU Lesser General Public
9 * License as published by the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this program; if not, write to the
18 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
22 #if !defined (__CAMEL_H_INSIDE__) && !defined (CAMEL_COMPILATION)
23 #error "Only <camel/camel.h> can be included directly."
26 #ifndef CAMEL_MIME_PARSER_H
27 #define CAMEL_MIME_PARSER_H
29 #include <camel/camel-object.h>
31 #include <camel/camel-mime-utils.h>
32 #include <camel/camel-mime-filter.h>
33 #include <camel/camel-stream.h>
35 /* Stardard GObject macros */
36 #define CAMEL_TYPE_MIME_PARSER \
37 (camel_mime_parser_get_type ())
38 #define CAMEL_MIME_PARSER(obj) \
39 (G_TYPE_CHECK_INSTANCE_CAST \
40 ((obj), CAMEL_TYPE_MIME_PARSER, CamelMimeParser))
41 #define CAMEL_MIME_PARSER_CLASS(cls) \
42 (G_TYPE_CHECK_CLASS_CAST \
43 ((cls), CAMEL_TYPE_MIME_PARSER, CamelMimeParserClass))
44 #define CAMEL_IS_MIME_PARSER(obj) \
45 (G_TYPE_CHECK_INSTANCE_TYPE \
46 ((obj), CAMEL_TYPE_MIME_PARSER))
47 #define CAMEL_IS_MIME_PARSER_CLASS(cls) \
48 (G_TYPE_CHECK_CLASS_TYPE \
49 ((cls), CAMEL_TYPE_MIME_PARSER))
50 #define CAMEL_MIME_PARSER_GET_CLASS(obj) \
51 (G_TYPE_INSTANCE_GET_CLASS \
52 ((obj), CAMEL_TYPE_MIME_PARSER, CamelMimeParserClass))
56 typedef struct _CamelMimeParser CamelMimeParser;
57 typedef struct _CamelMimeParserClass CamelMimeParserClass;
58 typedef struct _CamelMimeParserPrivate CamelMimeParserPrivate;
60 /* NOTE: if you add more states, you may need to bump the
61 * start of the END tags to 16 or 32, etc - so they are
62 * the same as the matching start tag, with a bit difference */
63 typedef enum _camel_mime_parser_state_t {
64 CAMEL_MIME_PARSER_STATE_INITIAL,
65 CAMEL_MIME_PARSER_STATE_PRE_FROM, /* data before a 'From' line */
66 CAMEL_MIME_PARSER_STATE_FROM, /* got 'From' line */
67 CAMEL_MIME_PARSER_STATE_HEADER, /* toplevel header */
68 CAMEL_MIME_PARSER_STATE_BODY, /* scanning body of message */
69 CAMEL_MIME_PARSER_STATE_MULTIPART, /* got multipart header */
70 CAMEL_MIME_PARSER_STATE_MESSAGE, /* rfc822 message */
72 CAMEL_MIME_PARSER_STATE_PART, /* part of a multipart */
74 CAMEL_MIME_PARSER_STATE_END = 8, /* bit mask for 'end' flags */
76 CAMEL_MIME_PARSER_STATE_EOF = 8, /* end of file */
77 CAMEL_MIME_PARSER_STATE_PRE_FROM_END, /* pre from end */
78 CAMEL_MIME_PARSER_STATE_FROM_END, /* end of whole from bracket */
79 CAMEL_MIME_PARSER_STATE_HEADER_END, /* dummy value */
80 CAMEL_MIME_PARSER_STATE_BODY_END, /* end of message */
81 CAMEL_MIME_PARSER_STATE_MULTIPART_END, /* end of multipart */
82 CAMEL_MIME_PARSER_STATE_MESSAGE_END /* end of message */
83 } camel_mime_parser_state_t;
85 struct _CamelMimeParser {
87 CamelMimeParserPrivate *priv;
90 struct _CamelMimeParserClass {
91 CamelObjectClass parent_class;
93 void (*message) (CamelMimeParser *parser, gpointer headers);
94 void (*part) (CamelMimeParser *parser);
95 void (*content) (CamelMimeParser *parser);
98 GType camel_mime_parser_get_type (void);
99 CamelMimeParser *camel_mime_parser_new (void);
101 /* quick-fix for parser not erroring, we can find out if it had an error afterwards */
102 gint camel_mime_parser_errno (CamelMimeParser *parser);
104 /* using an fd will be a little faster, but not much (over a simple stream) */
105 gint camel_mime_parser_init_with_fd (CamelMimeParser *m, gint fd);
106 gint camel_mime_parser_init_with_stream (CamelMimeParser *m, CamelStream *stream, GError **error);
108 /* get the stream or fd back of the parser */
109 CamelStream *camel_mime_parser_stream (CamelMimeParser *parser);
110 gint camel_mime_parser_fd (CamelMimeParser *parser);
112 /* scan 'From' separators? */
113 void camel_mime_parser_scan_from (CamelMimeParser *parser, gboolean scan_from);
114 /* Do we want to know about the pre-from data? */
115 void camel_mime_parser_scan_pre_from (CamelMimeParser *parser, gboolean scan_pre_from);
117 /* what headers to save, MUST include ^Content-Type: */
118 gint camel_mime_parser_set_header_regex (CamelMimeParser *parser, gchar *matchstr);
120 /* normal interface */
121 camel_mime_parser_state_t camel_mime_parser_step (CamelMimeParser *parser, gchar **databuffer, gsize *datalength);
122 void camel_mime_parser_unstep (CamelMimeParser *parser);
123 void camel_mime_parser_drop_step (CamelMimeParser *parser);
124 camel_mime_parser_state_t camel_mime_parser_state (CamelMimeParser *parser);
125 void camel_mime_parser_push_state (CamelMimeParser *mp, camel_mime_parser_state_t newstate, const gchar *boundary);
127 /* read through the parser */
128 gint camel_mime_parser_read (CamelMimeParser *parser, const gchar **databuffer, gint len, GError **error);
130 /* get content type for the current part/header */
131 CamelContentType *camel_mime_parser_content_type (CamelMimeParser *parser);
133 /* get/change raw header by name */
134 const gchar *camel_mime_parser_header (CamelMimeParser *m, const gchar *name, gint *offset);
136 /* get all raw headers. READ ONLY! */
137 struct _camel_header_raw *camel_mime_parser_headers_raw (CamelMimeParser *m);
139 /* get multipart pre/postface */
140 const gchar *camel_mime_parser_preface (CamelMimeParser *m);
141 const gchar *camel_mime_parser_postface (CamelMimeParser *m);
143 /* return the from line content */
144 const gchar *camel_mime_parser_from_line (CamelMimeParser *m);
146 /* add a processing filter for body contents */
147 gint camel_mime_parser_filter_add (CamelMimeParser *m, CamelMimeFilter *mf);
148 void camel_mime_parser_filter_remove (CamelMimeParser *m, gint id);
150 /* these should be used with caution, because the state will not
151 * track the seeked position */
152 /* FIXME: something to bootstrap the state? */
153 goffset camel_mime_parser_tell (CamelMimeParser *parser);
154 goffset camel_mime_parser_seek (CamelMimeParser *parser, goffset offset, gint whence);
156 goffset camel_mime_parser_tell_start_headers (CamelMimeParser *parser);
157 goffset camel_mime_parser_tell_start_from (CamelMimeParser *parser);
158 goffset camel_mime_parser_tell_start_boundary (CamelMimeParser *parser);
162 #endif /* CAMEL_MIME_PARSER_H */