/* $Id: encoding.h,v 1.16 2004/08/16 00:59:09 jonas Exp $ */#ifndef EL__ENCODING_ENCODING_H#define EL__ENCODING_ENCODING_H#include "util/string.h"enum stream_encoding {	ENCODING_NONE = 0,	ENCODING_GZIP,	ENCODING_BZIP2,	/* Max. number of known encoding including ENCODING_NONE. */	ENCODINGS_KNOWN,};struct stream_encoded {	enum stream_encoding encoding;	void *data;};struct decoding_backend {	unsigned char *name;	unsigned char **extensions;	int (*open)(struct stream_encoded *stream, int fd);	int (*read)(struct stream_encoded *stream, unsigned char *data, int len);	unsigned char *(*decode)(struct stream_encoded *stream, unsigned char *data, int len, int *new_len);	unsigned char *(*decode_buffer)(unsigned char *data, int len, int *new_len);	void (*close)(struct stream_encoded *stream);};struct stream_encoded *open_encoded(int, enum stream_encoding);int read_encoded(struct stream_encoded *, unsigned char *, int);unsigned char *decode_encoded(struct stream_encoded *, unsigned char *, int, int *);unsigned char *decode_encoded_buffer(enum stream_encoding encoding, unsigned char *data, int len, int *new_len);void close_encoded(struct stream_encoded *);unsigned char **listext_encoded(enum stream_encoding);enum stream_encoding guess_encoding(unsigned char *filename);unsigned char *get_encoding_name(enum stream_encoding encoding);/* Read from open @stream into the @page string */enum connection_stateread_file(struct stream_encoded *stream, int readsize, struct string *page);/* Reads the file with the given @filename into the string @source. */enum connection_state read_encoded_file(struct string *filename, struct string *source);#endif