From 40c9c0fd801e44b046f7d732a33a9614fb98e4c6 Mon Sep 17 00:00:00 2001
From: Sam Talonborn <sam@oaktal.com>
Date: Sat, 15 Apr 2023 17:50:16 -0700
Subject: [PATCH] gmi2html: fix lists

---
 bin/gmi2html | 68 ++++++++++++++++++++++++++++++++--------------------
 1 file changed, 42 insertions(+), 26 deletions(-)

diff --git a/bin/gmi2html b/bin/gmi2html
index 898e0d5..69ea693 100755
--- a/bin/gmi2html
+++ b/bin/gmi2html
@@ -51,14 +51,14 @@ print OUT <<"END_HTML";
 END_HTML
 
 my $line = convert_gmi_line($old_title);
-print OUT "        $line\n";
+print OUT "        $line";
 
 foreach $line (<IN>) {
     chomp $line;
     my $out = convert_gmi_line($line);
 
     if (defined $out) {
-        print OUT "        $out\n";
+        print OUT "        $out";
     }
 }
 
@@ -68,30 +68,50 @@ print OUT <<'END_HTML';
 END_HTML
 
 sub convert_gmi_line {
-    state $mode = 'normal';
+    state $pre = 0;
     state $list = 0;
 
     my ($line) = @_;
-    
-    if ($mode eq 'pre') {
+
+    if ($pre == 1) {
         if ($line eq '```') {
-            $mode = 'normal';
-            return undef;
+            $pre = 0;
+            return "</pre>\n";
         }
 
-        return $line;
+        return "    $line\n";
     }
-    
-    if ($line =~ /^\* /) {
-        if ($list == 0) {
-            return '<ul>';
+
+    if ($line eq '```') {
+        $pre = 1;
+
+        if ($list == 1) {
+            $list = 0;
+            return "</ul>\n        <pre>\n";
+        }
+
+        return "<pre>\n";
+    }
+
+    if ($list == 0) {
+        if ($line =~ /^\* /) {
             $list = 1;
+            my $listitem = convert_gmi_line($line);
+
+            return "<ul>\n        $listitem";
         }
     }
     else {
-        if ($list == 1) {
-            return '</ul>';
+        if (not $line =~ /^\* /) {
             $list = 0;
+            my $nextline = convert_gmi_line($line);
+
+            if (defined $nextline) {
+                return "</ul>\n        $nextline";
+            }
+            else {
+                return "</ul>\n";
+            }
         }
     }
     
@@ -102,43 +122,39 @@ sub convert_gmi_line {
             my $text = $2;
             $link    =~ s/\.gmi/\.html/;
 
-            return "<p><a href=\"$link\">$text</a></p>";
+            return "<p><a href=\"$link\">$text</a></p>\n";
         }
         when(/^#[^#]/)    {
             $line =~ s/^#\s*//;
             
-            return "<h1>$line</h1>";
+            return "<h1>$line</h1>\n";
         }
         when(/^##[^#]/)   {
             $line =~ s/^##\s*//;
             
-            return "<h2>$line</h2>";
+            return "<h2>$line</h2>\n";
         }
         when(/^###/)  {
             $line =~ s/^###\s*//;
             
-            return "<h3>$line</h3>";
+            return "<h3>$line</h3>\n";
         }
         when(/^\*\s*/)  {
             $line =~ s/^\*\s*//;
             
-            return "<li>$line</li>";
+            return "    <li>$line</li>\n";
         }
         when(/^>/)    {
-            $line =~ s/^>//;
+            $line =~ s/^>\s*//;
             
-            return "<blockquote>$line</blockquote>";
-        }
-        when('```')   {
-            $mode = 'pre';
-            return undef;
+            return "<blockquote>$line</blockquote>\n";
         }
         default       {
             if ($line eq '') {
                 return undef;
             }
             
-            return "<p>$line</p>";
+            return "<p>$line</p>\n";
         }
     }
 }