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.\"
.IX Title "URI::WithBase 3"
.TH URI::WithBase 3 "2004-01-14" "perl v5.8.4" "User Contributed Perl Documentation"
.SH "NAME"
URI::WithBase \- URIs which remember their base
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 2
\& $u1 = URI::WithBase->new($str, $base);
\& $u2 = $u1->abs;
.Ve
.PP
.Vb 2
\& $base = $u1->base;
\& $u1->base( $new_base )
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This module provides the \f(CW\*(C`URI::WithBase\*(C'\fR class.  Objects of this class
are like \f(CW\*(C`URI\*(C'\fR objects, but can keep their base too.  The base
represents the context where this \s-1URI\s0 was found and can be used to
absolutize or relativize the \s-1URI\s0.  All the methods described in \s-1URI\s0
are supported for \f(CW\*(C`URI::WithBase\*(C'\fR objects.
.PP
The methods provided in addition to or modified from those of \f(CW\*(C`URI\*(C'\fR are:
.IP "$uri = URI::WithBase\->new($str, [$base])" 4
.IX Item "$uri = URI::WithBase->new($str, [$base])"
The constructor takes an optional base \s-1URI\s0 as the second argument.
If provided, this argument initializes the base attribute.
.IP "$uri\->base( [$new_base] )" 4
.IX Item "$uri->base( [$new_base] )"
Can be used to get or set the value of the base attribute.
The return value, which is the old value, is a \s-1URI\s0 object or \f(CW\*(C`undef\*(C'\fR.
.IP "$uri\->abs( [$base_uri] )" 4
.IX Item "$uri->abs( [$base_uri] )"
The \f(CW$base_uri\fR argument is now made optional as the object carries its
base with it.  A new object is returned even if \f(CW$uri\fR is already
absolute (while plain \s-1URI\s0 objects simply return themselves in
that case).
.IP "$uri\->rel( [$base_uri] )" 4
.IX Item "$uri->rel( [$base_uri] )"
The \f(CW$base_uri\fR argument is now made optional as the object carries its
base with it.  A new object is always returned.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\s-1URI\s0
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright 1998\-2002 Gisle Aas.