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50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
#ifndef EL__ENCODING_ENCODING_H
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#define EL__ENCODING_ENCODING_H
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#include "network/state.h"
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#include "util/string.h"
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enum stream_encoding {
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ENCODING_NONE = 0,
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ENCODING_GZIP,
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ENCODING_BZIP2,
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ENCODING_LZMA,
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ENCODING_DEFLATE,
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ENCODING_BROTLI,
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/* Max. number of known encoding including ENCODING_NONE. */
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ENCODINGS_KNOWN,
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};
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struct stream_encoded {
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enum stream_encoding encoding;
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void *data;
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};
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struct decoding_backend {
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const unsigned char *name;
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const unsigned char *const *extensions;
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int (*open)(struct stream_encoded *stream, int fd);
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int (*read)(struct stream_encoded *stream, unsigned char *data, int len);
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unsigned char *(*decode_buffer)(struct stream_encoded *stream, unsigned char *data, int len, int *new_len);
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void (*close)(struct stream_encoded *stream);
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};
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struct stream_encoded *open_encoded(int, enum stream_encoding);
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int read_encoded(struct stream_encoded *, unsigned char *, int);
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unsigned char *decode_encoded_buffer(struct stream_encoded *stream, enum stream_encoding encoding, unsigned char *data, int len, int *new_len);
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void close_encoded(struct stream_encoded *);
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const unsigned char *const *listext_encoded(enum stream_encoding);
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enum stream_encoding guess_encoding(unsigned char *filename);
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const unsigned char *get_encoding_name(enum stream_encoding encoding);
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/* Read from open @stream into the @page string */
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struct connection_state
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read_file(struct stream_encoded *stream, int readsize, struct string *page);
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/* Reads the file with the given @filename into the string @source. */
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struct connection_state read_encoded_file(struct string *filename, struct string *source);
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#endif
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