# Selima Website Content Management System
# AbsURI.pm: The converter to turn all URIs to absolute URIs.

#  Copyright (c) 2003-2018 imacat.
#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.

# Author: imacat <imacat@mail.imacat.idv.tw>
# First written: 2003-03-26

package Selima::AbsURI;
use 5.008;
use strict;
use warnings;
use base qw(Exporter);
use vars qw(@EXPORT @EXPORT_OK);
BEGIN {
@EXPORT = qw(absuri);
@EXPORT_OK = @EXPORT;
# Prototype declaration
sub absuri($;$$);
}

use URI qw();

use Selima::DataVars qw(:requri);

# absuri: Convert and colonicalize to an absolute URI
sub absuri($;$$) {
    local ($_, %_);
    my ($uri, $base, $skip_fragment);
    ($uri, $base, $skip_fragment) = @_;
    
    # Default base to $REQUEST_FULLURI
    $base = defined $base? new URI($base): $REQUEST_FULLURI;
    # Skip the fragment
    return $uri if $skip_fragment && $uri =~ /^#/;
    # Absolute path -- add the root difference
    $uri = "$ROOT_DIFF$uri" if $uri =~ /^\//;
    $uri = new URI($uri);
    # Obtain the absolute URI
    $uri = $uri->abs($base);
    
    return $uri->canonical;
}

return 1;