From 9e948b878a55cd826df305063773dbc5c86ee7e0 Mon Sep 17 00:00:00 2001
From: jake <jake@jakes-mail.top>
Date: Tue, 18 Jan 2022 02:44:33 -0500
Subject: nav() improvments when navigating current document

---
 gmi.pl | 104 +++++++++++++++++++++++++++++++++++++++++++----------------------
 1 file changed, 69 insertions(+), 35 deletions(-)

diff --git a/gmi.pl b/gmi.pl
index 9ed3f3b..15c8b20 100755
--- a/gmi.pl
+++ b/gmi.pl
@@ -10,7 +10,7 @@ use bytes;
 use feature qw(refaliasing);
 no warnings qw(experimental::refaliasing);
 
-our $VERSION = 'v0.0.18';
+our $VERSION = 'v0.0.19';
 
 # TODO: 
 # back() only works once; should fix this
@@ -77,7 +77,6 @@ my %commands = (
 	'display' => [sub { display() }, 'Display the current page.' ],
 	'd' => [sub { display() }, 'Alias of `display\'.' ],
 
-	'aaa' => [sub { aaa() }, "This command returns `aaa'." ],
 	'usepager' => [sub { toggle('pager') }, 'This toggles pager use. 1 = use pager, 0 = stdout.' ],
 	'textwrap' => [sub { textwrap($_[0]) }, 'Set textwrap length.\nGiving \'auto\' will ' .
 		"automatically determine the appropriate length. (Currently $wrapper->{columns})"],
@@ -110,8 +109,8 @@ while ( defined ($_ = $term->readline($prompt)) ) {
 }
 
 sub do_command {
-	# referenced command, referenced detail 
-	my ($rCmd, $rDetail) = @_; 
+	# referenced command, referenced arg
+	my ($rCmd, $rArg) = @_; 
 
 	# ## @_
 	# checking if %commands even has the command
@@ -121,7 +120,7 @@ sub do_command {
 		my $rsub = $commands{$$rCmd}[0];
 
 		#running the subroutine
-		&$rsub($$rDetail);
+		&$rsub($$rArg);
 	}
 	# options doesn't have the command
 	else {
@@ -151,17 +150,27 @@ sub url {
 	my ($url, $mode) = @_;
 	### $url
 	if (!$url) { print("Example: [gemini://]capsule.com/\n"); return 1;}
+	if ($url eq '/') {
+		$url = './';
+	}
 	if ( $url !~ m|^.*://.*|) {
 		$url = "gemini://$url";
 	}
 	$url = parse_url($url);
 	# ## $url
+	my $need_slash;
 	
 	# relative movement
 	if ($mode and $mode eq 1) {
 		if (!$current_url) {print "Relative movement impossible: no current URL.\n"; return 1;}
 		my $c_url = parse_url($current_url);
 
+		#if ($url->{host} and $url->{host} eq '.') { # './' or '/'
+		#	$need_slash = 1;
+		#}
+
+		### $url
+		### $need_slash
 		if ($url->{path}) {
 			$url->{path} = "$url->{host}/$url->{path}";
 		}
@@ -211,8 +220,9 @@ sub url {
 			$path = '' 
 		}
 		else {
-			$path = "$url->{path}";
+			$path = normalize_path("$url->{path}");
 		}
+		$url->{path} .= "/" if ($need_slash);
 		
 		$current_url = return_url($url);
 		### $current_url
@@ -223,7 +233,7 @@ sub url {
 	
 		# gemini spec: <URL><CR><LF>
 		# <URL> is an absolute path
-		print $cl "$url->{scheme}://$url->{host}/$path\r\n";
+		print $cl "$current_url\r\n";
 	
 		undef($doc);
 
@@ -351,13 +361,14 @@ sub nav {
 
 	my $link;
 
-	if ($setting == 0 and @links) {
+	if ($setting == 0 and @links and exists $links[$n][0]) {
 		$link = $links[$n][0];
-	} elsif ($setting == 1 and @history) {
+	} elsif ($setting == 1 and @history and exists $history[$n][0]) {
 		$link = $history[$n][0];
 	}
 	else {
-		print("'$n' isn't available.\n");
+		my $m = $n+1;
+		print("'$m' isn't available.\n");
 		return 1;
 	}
 
@@ -367,31 +378,58 @@ sub nav {
 	}
 	else {
 		my $c_url = parse_url($current_url);
-		# relative navigation madness
-		# ../../blog/my-post.gmi
-		if ($link =~ m|\.{1,2}/.*|) {
-			my $parsed_url_path = split_url_path($c_url->{path}, 256);
-			my $url_path;
-
-			# request doc will be different
-			pop(@$parsed_url_path);
-			for (@$parsed_url_path) {
-				$url_path .= "/$_";
+		my $end_with_slash = 1 if ($link =~ m|.*/$|);
+		my $begin_with_slash = 1 if ($link =~ m|^/.*|);
+
+		### current url doesnt have a path ?
+#		if (! $c_url->{path}) {
+#			delete($c_url->{path});
+#			$c_url->{path} = $link;
+#			if ($begin_with_slash) {
+#				substr($c_url->{path},0,1,'');
+#			}
+#			url(return_url($c_url));
+#			return 0;
+#		}
+
+		### absolute location ?
+		if ($begin_with_slash) {
+			delete($c_url->{path});
+			$c_url->{path} = $link;
+			if ($end_with_slash){
+				$c_url->{path} .= "/";
 			}
-			substr($url_path, 0, 1, ''); # removing the first /
-			### $url_path
-			### $link
-			$c_url->{path} = normalize_path("$url_path/$link");
-
-			#url("$new_url->{scheme}://$new_url->{host}$path");
+			substr($c_url->{path},0,1,'');
 			url(return_url($c_url));
+			return 0;
 		}
-		# normal navigation of current domain, probably something like:
-		# blog/my-post.gmi
-		else {
-			#url("$new_url->{scheme}://$new_url->{host}/$link");
-			$c_url->{path} = "$link";
+
+		### current url is a directory ?
+		if ($current_url =~ m|.*/$|) {
+			$current_url .= $link;
+			#if ($end_with_slash) {
+			#	$current_url .= "/";
+			#}
+			url(return_url($current_url));
+			return 0;
+		} 
+		else { 
+			### current url must NOT be a directory
+			my $d;
+			if ($c_url->{path}) {
+				my $cp_url = split_url_path($c_url->{path}, 256);
+				pop(@$cp_url);
+				for (@$cp_url) {
+					$d .= "$_/";
+				}
+			}
+			$d .= $link;
+			$c_url->{path} = normalize_path($d);
+			if ($end_with_slash) {
+				$c_url->{path} .= "/";
+			}
 			url(return_url($c_url));
+			return 0;
 		}
 	}
 }
@@ -420,10 +458,6 @@ sub back {
 	$doc_out = $dok_out if ($display == 1);
 }
 
-sub aaa {
-	print("aaa\n");
-}
-
 sub display {
 	if ($pager_text_wrap_auto) {
 		my ($wc) = GetTerminalSize();
-- 
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