Untitled :: Boost.URL

Class ipv6_address

An IP version 6 style address.

Synopsis

class ipv6_address;

Defined in file <include/boost/url/ipv6_address.hpp> on line 64

Types

Name

Description

The type used to represent an address as an array of bytes.

Member Functions

Name

Description

Constructor.

Constructor.

Copy Assignment

Construct from an array of bytes.

Construct from an IPv4 address.

Construct from a string.

Return the address as bytes, in network byte order

Return the address as a string.

Write a dotted decimal string representing the address to a buffer

is_unspecified

Return true if the address is unspecified

Return true if the address is a loopback address

Return true if the address is a mapped IPv4 address

Static Data Members

Name

Description

The number of characters in the longest possible IPv6 string.

Friends

Name

Description

Return true if two addresses are equal

Return true if two addresses are not equal

Description

Objects of this type are used to construct, parse, and manipulate IP version 6 addresses.

BNF

IPv6address =                            6( h16 ":" ) ls32
            /                       "::" 5( h16 ":" ) ls32
            / [               h16 ] "::" 4( h16 ":" ) ls32
            / [ *1( h16 ":" ) h16 ] "::" 3( h16 ":" ) ls32
            / [ *2( h16 ":" ) h16 ] "::" 2( h16 ":" ) ls32
            / [ *3( h16 ":" ) h16 ] "::"    h16 ":"   ls32
            / [ *4( h16 ":" ) h16 ] "::"              ls32
            / [ *5( h16 ":" ) h16 ] "::"              h16
            / [ *6( h16 ":" ) h16 ] "::"

ls32        = ( h16 ":" h16 ) / IPv4address
            ; least-significant 32 bits of address

h16         = 1*4HEXDIG
            ; 16 bits of address represented in hexadecimal

Specification