From e1be78e37af4babc91749361a9b726386ff8ef14 Mon Sep 17 00:00:00 2001
From: b <rowerynaksiezycu@gmail.com>
Date: Thu, 8 Jun 2023 14:05:36 +0000
Subject: [PATCH] Split URL into parts

---
 botm_common.pm | 100 ++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 98 insertions(+), 2 deletions(-)

diff --git a/botm_common.pm b/botm_common.pm
index 8d607b0..5dec1da 100644
--- a/botm_common.pm
+++ b/botm_common.pm
@@ -25,13 +25,14 @@ use Exporter;
 use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
 
 # vX.Y.Z:      X YYYZZZ
-$VERSION     = 1.000007;
+$VERSION     = 1.000008;
 @ISA         = qw(Exporter);
 @EXPORT      = ();
 @EXPORT_OK   = (
 	'read_data_file', 'write_data_file',
 	'url_encode', 'url_decode',
-	'url_query_encode', 'url_query_decode',=
+	'url_query_encode', 'url_query_decode',
+	'split_url',
 	'html_entity_encode_dec', 'html_entity_encode_hex', 'html_entity_encode_name', 'html_entity_decode',
 	'join_path',
 );
@@ -404,6 +405,101 @@ sub url_query_decode {
 # }
 	
 
+sub split_url {
+	(my $url, my $relative) = @_;
+	my %data;
+	my $ind;
+	
+	# scheme
+	$ind = index($url, '://');
+	if ($ind >= 0) {
+		$data{'scheme'} = substr($url, 0, $ind);
+		$url = substr($url, $ind+3);
+	}
+	else {
+		$data{'scheme'} = '';
+	}
+	
+	# authority
+	if ($relative and ($data{'scheme'} eq '')) {
+		$data{'authority'} = '';
+	}
+	else {
+		$data{'authority'} = $url;
+		if ($data{'authority'} =~ m/[\/\?#]/g) {
+			$ind = pos($data{'authority'})-1;
+			$url = substr($data{'authority'}, $ind); 
+			$data{'authority'} = substr($data{'authority'}, 0, $ind);
+		}
+		else {
+			$url = '';
+		}
+	}
+	
+	# userinfo, host, port
+	$ind = index($data{'authority'}, '@');
+	if ($ind >= 0) {
+		$data{'userinfo'} = substr($data{'authority'}, 0, $ind);
+		$data{'host'} = substr($data{'authority'}, $ind+1);
+	}
+	else {
+		$data{'userinfo'} = '';
+		$data{'host'} = $data{'authority'};
+	}
+	$data{'host'} =~ m/\[[^\]]*\]/g;
+	if ($data{'host'} =~ m/:/g) {
+		$ind = pos($data{'host'})-1;
+		$data{'port'} = substr($data{'host'}, $ind+1);
+		$data{'host'} = substr($data{'host'}, 0, $ind);
+	}
+	else {
+		$data{'port'} = '';
+	}
+	
+	# path
+	if (($url =~ /^\//) or $relative) {
+		$data{'path'} = $url;
+		if ($data{'path'} =~ m/[\?#]/g) {
+			$ind = pos($data{'path'})-1;
+			$url = substr($data{'path'}, $ind);
+			$data{'path'} = substr($data{'path'}, 0, $ind);
+		}
+		else {
+			$url = '';
+		}
+	}
+	else {
+		$data{'path'} = '';
+	}
+	
+	# query
+	if ($url =~ /^\?/) {
+		$data{'query'} = substr($url, 1);
+		$ind = index($data{'query'}, '#');
+		if ($ind >= 0) {
+			$url = substr($data{'query'}, $ind);
+			$data{'query'} = substr($data{'query'}, 0 ,$ind);
+		}
+		else {
+			$url = '';
+		}
+	}
+	else {
+		$data{'query'} = '';
+	}
+	
+	# fragment
+	if ($url =~ /^#/) {
+		$data{'fragment'} = substr($url, 1);
+	}
+	else {
+		$data{'fragment'} = '';
+	}
+	
+	return %data;
+	
+}
+
 # # https://datatracker.ietf.org/doc/html/rfc3986#section-3
 # sub join_url {
 	# (
-- 
2.30.2