diff options
Diffstat (limited to 'camel/camel-mime-filter.h')
-rw-r--r-- | camel/camel-mime-filter.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/camel/camel-mime-filter.h b/camel/camel-mime-filter.h new file mode 100644 index 0000000000..51b63479de --- /dev/null +++ b/camel/camel-mime-filter.h @@ -0,0 +1,84 @@ +/* + * Copyright (C) 2000 Helix Code Inc. + * + * Authors: Michael Zucchi <notzed@helixcode.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public License + * as published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program 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 Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +/* Abstract class for non-copying filters */ + +#ifndef _CAMEL_MIME_FILTER_H +#define _CAMEL_MIME_FILTER_H + +#include <gtk/gtk.h> +#include <sys/types.h> + +#define CAMEL_MIME_FILTER(obj) GTK_CHECK_CAST (obj, camel_mime_filter_get_type (), CamelMimeFilter) +#define CAMEL_MIME_FILTER_CLASS(klass) GTK_CHECK_CLASS_CAST (klass, camel_mime_filter_get_type (), CamelMimeFilterClass) +#define IS_CAMEL_MIME_FILTER(obj) GTK_CHECK_TYPE (obj, camel_mime_filter_get_type ()) + +typedef struct _CamelMimeFilter CamelMimeFilter; +typedef struct _CamelMimeFilterClass CamelMimeFilterClass; + +struct _CamelMimeFilter { + GtkObject parent; + + struct _CamelMimeFilterPrivate *priv; + + char *outreal; /* real malloc'd buffer */ + char *outbuf; /* first 'writable' position allowed (outreal + outpre) */ + char *outptr; + int outsize; + int outpre; /* prespace of this buffer */ + + char *backbuf; + int backsize; + int backlen; /* significant data there */ +}; + +struct _CamelMimeFilterClass { + GtkObjectClass parent_class; + + /* virtual functions */ + void (*filter)(CamelMimeFilter *f, + char *in, size_t len, size_t prespace, + char **out, size_t *outlen, size_t *outprespace); + void (*complete)(CamelMimeFilter *f, + char *in, size_t len, size_t prespace, + char **out, size_t *outlen, size_t *outprespace); + void (*reset)(CamelMimeFilter *f); +}; + +guint camel_mime_filter_get_type (void); +CamelMimeFilter *camel_mime_filter_new (void); + +void camel_mime_filter_filter(CamelMimeFilter *f, + char *in, size_t len, size_t prespace, + char **out, size_t *outlen, size_t *outprespace); + +void camel_mime_filter_complete(CamelMimeFilter *f, + char *in, size_t len, size_t prespace, + char **out, size_t *outlen, size_t *outprespace); + +void camel_mime_filter_reset(CamelMimeFilter *f); + +/* sets/returns number of bytes backed up on the input */ +void camel_mime_filter_backup(CamelMimeFilter *f, char *data, size_t length); + +/* ensure this much size available for filter output */ +void camel_mime_filter_set_size(CamelMimeFilter *f, size_t size, int keep); + +#endif /* ! _CAMEL_MIME_FILTER_H */ |