Defines | Enumerations | Functions | Variables

Accept-Encoding header.

We use MIME Accept-Encoding header. More...

Defines

#define HTTP_ACCEPT_ENCODING_INIT()
 Initializer for structure http_accept_encoding_t.
#define HTTPTAG_ACCEPT_ENCODING(x)
 Tag list item for pointer to a Accept-Encoding header object.
#define HTTPTAG_ACCEPT_ENCODING_STR(s)
 Tag list item for string with Accept-Encoding header value.

Enumerations

enum  { http_accept_encoding_hash }

Functions

http_accept_encoding_t * http_accept_encoding_init (http_accept_encoding_t x[1])
 Initialize a structure http_accept_encoding_t.
int http_is_accept_encoding (http_header_t const *header)
 Test if header object is instance of http_accept_encoding_t.
http_accept_encoding_t * http_accept_encoding_dup (su_home_t *home, http_accept_encoding_t const *hdr))
 Duplicate (deep copy) http_accept_encoding_t.
http_accept_encoding_t * http_accept_encoding_copy (su_home_t *home, http_accept_encoding_t const *hdr))
 Copy a http_accept_encoding_t header structure.
http_accept_encoding_t * http_accept_encoding_make (su_home_t *home, char const *s))
 Make a header structure http_accept_encoding_t.
http_accept_encoding_t * http_accept_encoding_format (su_home_t *home, char const *fmt,...)))
 Make a Accept-Encoding header from formatting result.

Variables

msg_hclass_t http_accept_encoding_class []
 Header class for HTTP Accept-Encoding header.
msg_parse_f http_accept_encoding_d
 Decode (parse) a Accept-Encoding header.
msg_print_f http_accept_encoding_e
 Encode (print) a Accept-Encoding header.

Detailed Description

We use MIME Accept-Encoding header.


Define Documentation

#define HTTP_ACCEPT_ENCODING_INIT (  ) 

Initializer for structure http_accept_encoding_t.

A static http_accept_encoding_t structure must be initialized with the HTTP_ACCEPT_ENCODING_INIT() macro. For instance,

  http_accept_encoding_t http_accept_encoding = HTTP_ACCEPT_ENCODING_INIT;
#define HTTPTAG_ACCEPT_ENCODING (   x  ) 

Tag list item for pointer to a Accept-Encoding header object.

The HTTPTAG_ACCEPT_ENCODING() macro is used to include a tag item with a pointer to a http_accept_encoding_t object in a tag list.

Parameters:
x pointer to a http_accept_encoding_t header structure, or NULL.
#define HTTPTAG_ACCEPT_ENCODING_STR (   s  ) 

Tag list item for string with Accept-Encoding header value.

The HTTPTAG_ACCEPT_ENCODING_STR() macro is used to include a tag item with a string containing value of a http_accept_encoding_t header in a tag list.

Parameters:
s pointer to a string containing http_accept_encoding_t value, or NULL.

The HTTPTAG_ACCEPT_ENCODING_STR string can be converted to a http_accept_encoding_t header structure by giving the string s has second argument to function http_accept_encoding_make().


Enumeration Type Documentation

anonymous enum
Enumerator:
http_accept_encoding_hash 

Hash of Accept-Encoding header.


Function Documentation

http_accept_encoding_t * http_accept_encoding_copy ( su_home_t home,
http_accept_encoding_t const *  hdr 
) [inline]

Copy a http_accept_encoding_t header structure.

The function http_accept_encoding_copy() copies a header structure hdr. If the header structure hdr contains a reference (hdr->h_next) to a list of headers, all the headers in that list are copied, too. The function uses given memory home to allocate all the memory areas used to copy the header structure hdr.

Parameters:
home memory home used to allocate new structure
hdr pointer to the header structure to be duplicated

When copying, only the header structure and parameter lists attached to it are duplicated. The new header structure retains all the references to the strings within the old header, including the encoding of the old header, if present.

Example
   accept_encoding = http_accept_encoding_copy(home, http->http_accept_encoding);
Returns:
The function http_accept_encoding_copy() returns a pointer to newly copied header structure, or NULL upon an error.
http_accept_encoding_t * http_accept_encoding_dup ( su_home_t home,
http_accept_encoding_t const *  hdr 
) [inline]

Duplicate (deep copy) http_accept_encoding_t.

The function http_accept_encoding_dup() duplicates a header structure hdr. If the header structure hdr contains a reference (hdr->x_next) to a list of headers, all the headers in the list are duplicated, too.

Parameters:
home memory home used to allocate new structure
hdr header structure to be duplicated

When duplicating, all parameter lists and non-constant strings attached to the header are copied, too. The function uses given memory home to allocate all the memory areas used to copy the header.

Example
   accept_encoding = http_accept_encoding_dup(home, http->http_accept_encoding);
Returns:
The function http_accept_encoding_dup() returns a pointer to the newly duplicated http_accept_encoding_t header structure, or NULL upon an error.
http_accept_encoding_t * http_accept_encoding_format ( su_home_t home,
char const *  fmt,
  ... 
) [inline]

Make a Accept-Encoding header from formatting result.

The function http_accept_encoding_format() makes a new Accept-Encoding header object using formatting result as its value. The function first prints the arguments according to the format fmt specified. Then it allocates a new header structure, and uses the formatting result as the header value.

Parameters:
home memory home used to allocate new header structure.
fmt string used as a printf()-style format
... argument list for format
Note:
This function is usually implemented as a macro calling msg_header_format().
Returns:
The function http_accept_encoding_format() returns a pointer to newly makes header structure, or NULL upon an error.
http_accept_encoding_t* http_accept_encoding_init ( http_accept_encoding_t  x[1]  )  [inline]

Initialize a structure http_accept_encoding_t.

An http_accept_encoding_t structure can be initialized with the http_accept_encoding_init() function/macro. For instance,

  http_accept_encoding_t http_accept_encoding;

  http_accept_encoding_init(&http_accept_encoding);
http_accept_encoding_t * http_accept_encoding_make ( su_home_t home,
char const *  s 
) [inline]

Make a header structure http_accept_encoding_t.

The function http_accept_encoding_make() makes a new http_accept_encoding_t header structure. It allocates a new header structure, and decodes the string s as the value of the structure.

Parameters:
home memory home used to allocate new header structure.
s string to be decoded as value of the new header structure
Note:
This function is usually implemented as a macro calling http_header_make().
Returns:
The function http_accept_encoding_make() returns a pointer to newly maked http_accept_encoding_t header structure, or NULL upon an error.
int http_is_accept_encoding ( http_header_t const *  header  )  [inline]

Test if header object is instance of http_accept_encoding_t.

The function http_is_accept_encoding() returns true (nonzero) if the header class is an instance of Accept-Encoding header object and false (zero) otherwise.

Parameters:
header pointer to the header structure to be tested
Returns:
The function http_is_xaccept_encoding() returns true (nonzero) if the header object is an instance of header accept_encoding and false (zero) otherwise.

Variable Documentation

Header class for HTTP Accept-Encoding header.

The header class http_accept_encoding_class defines how a HTTP Accept-Encoding header is parsed and printed. It also contains methods used by HTTP parser and other functions to manipulate the http_accept_encoding_t header structure.

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