Return the fragment
Synopsis
Declared in header <boost/url/url_view_base.hpp>
template<class StringToken = string_token::return_string>
StringToken::result_type
fragment(StringToken&& token) const;
Description
This function calculates the fragment of the url, with percent escapes decoded and without the leading pound sign ('#') whose presence indicates that the url contains a fragment.
This function accepts an optional StringToken parameter which controls the return type and behavior of the function:
-
When called with no arguments, the return type of the function is
std::string
. Otherwise -
When called with a string token, the behavior and return type of the function depends on the type of string token being passed.
Example
assert( url_view( "http://www.example.com/index.htm#a%2D1" ).fragment() == "a-1" );
Complexity
Linear in this->fragment().size()
.
Exception Safety
Calls to allocate may throw. String tokens may throw exceptions.
BNF
fragment = *( pchar / "/" / "?" )
fragment-part = [ "#" fragment ]
Specification
Parameters
Name | Description |
---|---|
token |
An optional string token to
use. If this parameter is omitted, the
function returns a new |