1 #ifndef HEADER_CURL_CONTENT_ENCODING_H
2 #define HEADER_CURL_CONTENT_ENCODING_H
3 /***************************************************************************
4  *                                  _   _ ____  _
5  *  Project                     ___| | | |  _ \| |
6  *                             / __| | | | |_) | |
7  *                            | (__| |_| |  _ <| |___
8  *                             \___|\___/|_| \_\_____|
9  *
10  * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
11  *
12  * This software is licensed as described in the file COPYING, which
13  * you should have received as part of this distribution. The terms
14  * are also available at https://curl.haxx.se/docs/copyright.html.
15  *
16  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
17  * copies of the Software, and permit persons to whom the Software is
18  * furnished to do so, under the terms of the COPYING file.
19  *
20  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21  * KIND, either express or implied.
22  *
23  ***************************************************************************/
24 #include "curl_setup.h"
25 
26 /* Decoding writer. */
27 typedef struct contenc_writer_s contenc_writer;
28 typedef struct content_encoding_s content_encoding;
29 
30 struct contenc_writer_s {
31   const content_encoding *handler;  /* Encoding handler. */
32   contenc_writer *downstream;  /* Downstream writer. */
33   void *params;  /* Encoding-specific storage (variable length). */
34 };
35 
36 /* Content encoding writer. */
37 struct content_encoding_s {
38   const char *name;        /* Encoding name. */
39   const char *alias;       /* Encoding name alias. */
40   CURLcode (*init_writer)(struct connectdata *conn, contenc_writer *writer);
41   CURLcode (*unencode_write)(struct connectdata *conn, contenc_writer *writer,
42                              const char *buf, size_t nbytes);
43   void (*close_writer)(struct connectdata *conn, contenc_writer *writer);
44   size_t paramsize;
45 };
46 
47 
48 CURLcode Curl_build_unencoding_stack(struct connectdata *conn,
49                                      const char *enclist, int maybechunked);
50 CURLcode Curl_unencode_write(struct connectdata *conn, contenc_writer *writer,
51                              const char *buf, size_t nbytes);
52 void Curl_unencode_cleanup(struct connectdata *conn);
53 char *Curl_all_content_encodings(void);
54 
55 #endif /* HEADER_CURL_CONTENT_ENCODING_H */
56