/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
* This library is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see .
*
* Authors: Michael Zucchi
*/
/* Abstract class for non-copying filters */
#if !defined (__CAMEL_H_INSIDE__) && !defined (CAMEL_COMPILATION)
#error "Only can be included directly."
#endif
#ifndef CAMEL_MIME_FILTER_H
#define CAMEL_MIME_FILTER_H
#include
#include
/* Standard GObject macros */
#define CAMEL_TYPE_MIME_FILTER \
(camel_mime_filter_get_type ())
#define CAMEL_MIME_FILTER(obj) \
(G_TYPE_CHECK_INSTANCE_CAST \
((obj), CAMEL_TYPE_MIME_FILTER, CamelMimeFilter))
#define CAMEL_MIME_FILTER_CLASS(cls) \
(G_TYPE_CHECK_CLASS_CAST \
((cls), CAMEL_TYPE_MIME_FILTER, CamelMimeFilterClass))
#define CAMEL_IS_MIME_FILTER(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE \
((obj), CAMEL_TYPE_MIME_FILTER))
#define CAMEL_IS_MIME_FILTER_CLASS(cls) \
(G_TYPE_CHECK_CLASS_TYPE \
((cls), CAMEL_TYPE_MIME_FILTER))
#define CAMEL_MIME_FILTER_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS \
((obj), CAMEL_TYPE_MIME_FILTER, CamelMimeFilterClass))
G_BEGIN_DECLS
typedef struct _CamelMimeFilter CamelMimeFilter;
typedef struct _CamelMimeFilterClass CamelMimeFilterClass;
typedef struct _CamelMimeFilterPrivate CamelMimeFilterPrivate;
struct _CamelMimeFilter {
GObject parent;
CamelMimeFilterPrivate *priv;
gchar *outreal; /* real malloc'd buffer */
gchar *outbuf; /* first 'writable' position allowed (outreal + outpre) */
gchar *outptr;
gsize outsize;
gsize outpre; /* prespace of this buffer */
gchar *backbuf;
gsize backsize;
gsize backlen; /* significant data there */
};
struct _CamelMimeFilterClass {
GObjectClass parent_class;
void (*filter) (CamelMimeFilter *filter,
const gchar *in,
gsize len,
gsize prespace,
gchar **out,
gsize *outlen,
gsize *outprespace);
void (*complete) (CamelMimeFilter *filter,
const gchar *in,
gsize len,
gsize prespace,
gchar **out,
gsize *outlen,
gsize *outprespace);
void (*reset) (CamelMimeFilter *filter);
};
GType camel_mime_filter_get_type (void);
CamelMimeFilter *
camel_mime_filter_new (void);
void camel_mime_filter_filter (CamelMimeFilter *filter,
const gchar *in,
gsize len,
gsize prespace,
gchar **out,
gsize *outlen,
gsize *outprespace);
void camel_mime_filter_complete (CamelMimeFilter *filter,
const gchar *in,
gsize len,
gsize prespace,
gchar **out,
gsize *outlen,
gsize *outprespace);
void camel_mime_filter_reset (CamelMimeFilter *filter);
/* sets/returns number of bytes backed up on the input */
void camel_mime_filter_backup (CamelMimeFilter *filter,
const gchar *data,
gsize length);
/* ensure this much size available for filter output */
void camel_mime_filter_set_size (CamelMimeFilter *filter,
gsize size,
gint keep);
G_END_DECLS
#endif /* CAMEL_MIME_FILTER_H */