A non-owning reference to a valid authority

Synopsis

Declared in header <boost/url/authority_view.hpp>

class authority_view;

Member Functions

Name

Description

authority_view [constructor]

Construct from a string.

Constructor

buffer

Return the complete authority

compare

Return the result of comparing this with another authority

data

Return a pointer to the first character

empty

Return true if the authority is empty

encoded_host

Return the host

encoded_host_address

Return the host

encoded_host_and_port

Return the host and port

encoded_host_name

Return the host name

encoded_password

Return the password

encoded_user

Return the user

encoded_userinfo

Return the userinfo

has_password

Return true if a password is present

has_port

Return true if a port is present

has_userinfo

Return true if a userinfo is present

host

Return the host

host_address

Return the host

host_ipv4_address

Return the host IPv4 address

host_ipv6_address

Return the host IPv6 address

host_ipvfuture

Return the host IPvFuture address

host_name

Return the host name

host_type

Return the host type

operator=

Assignment

password

Return the password

port

Return the port

port_number

Return the port

size

Return the number of characters in the authority

user

Return the user

userinfo

Return the userinfo

~authority_view [destructor]

Destructor

Friends

Name

Description

operator!=

Return the result of comparing two authorities The authorities are compared component by component as if they were first normalized.

operator<

Return the result of comparing two authorities The authorities are compared component by component as if they were first normalized.

operator<<

operator⇐

Return the result of comparing two authorities The authorities are compared component by component as if they were first normalized.

operator==

Return the result of comparing two authorities The authorities are compared component by component as if they were first normalized.

operator>

Return the result of comparing two authorities The authorities are compared component by component as if they were first normalized.

operator>=

Return the result of comparing two authorities The authorities are compared component by component as if they were first normalized.

Description

Objects of this type represent valid authority strings constructed from a parsed, external character buffer whose storage is managed by the caller. That is, it acts like a core::string_view in terms of ownership. The caller is responsible for ensuring that the lifetime of the underlying character buffer extends until it is no longer referenced.

Example 1

Construction from a string parses the input as an authority and throws an exception on error. Upon success, the constructed object points to the passed character buffer; ownership is not transferred.

authority_view a( "user:pass@www.example.com:8080" );

Example 2

The parsing function parse_authority returns a result containing either a valid authority_view upon succcess, otherwise it contain an error. The error can be converted to an exception by the caller if desired:

system::result< authority_view > rv = parse_authority( "user:pass@www.example.com:8080" );

BNF

authority     = [ userinfo "@" ] host [ ":" port ]

userinfo      = user [ ":" [ password ] ]

user          = *( unreserved / pct-encoded / sub-delims )
password      = *( unreserved / pct-encoded / sub-delims / ":" )

host          = IP-literal / IPv4address / reg-name

port          = *DIGIT

Specification

See Also