fix empty lines quantity, init media links support

src/Dokuwiki/Reader.php

@@ -16,19 +16,19 @@ class Reader
     private array $_rule =
     [
         // Headers
-        '/^([\s]?)#([^#]+)/' => '$1#$2' . PHP_EOL,
-        '/^([\s]?)##([^#]+)/' => '$1##$2' . PHP_EOL,
-        '/^([\s]?)###([^#]+)/' => '$1###$2' . PHP_EOL,
-        '/^([\s]?)####([^#]+)/' => '$1###$2' . PHP_EOL,
-        '/^([\s]?)#####([^#]+)/' => '$1###$2' . PHP_EOL,
-        '/^([\s]?)######([^#]+)/' => '$1###$2' . PHP_EOL,
-
-        '/^[\s]?[=]{6}([^=]+)[=]{6}/' => '# $1' . PHP_EOL,
-        '/^[\s]?[=]{5}([^=]+)[=]{5}/' => '## $1' . PHP_EOL,
-        '/^[\s]?[=]{4}([^=]+)[=]{4}/' => '### $1' . PHP_EOL,
-        '/^[\s]?[=]{3}([^=]+)[=]{3}/' => '### $1' . PHP_EOL,
-        '/^[\s]?[=]{2}([^=]+)[=]{2}/' => '### $1' . PHP_EOL,
-        '/^[\s]?[=]{1}([^=]+)[=]{1}/' => '### $1' . PHP_EOL,
+        '/^([\s]*)#([^#]+)/' => '$1#$2' . PHP_EOL,
+        '/^([\s]*)##([^#]+)/' => '$1##$2' . PHP_EOL,
+        '/^([\s]*)###([^#]+)/' => '$1###$2' . PHP_EOL,
+        '/^([\s]*)####([^#]+)/' => '$1###$2' . PHP_EOL,
+        '/^([\s]*)#####([^#]+)/' => '$1###$2' . PHP_EOL,
+        '/^([\s]*)######([^#]+)/' => '$1###$2' . PHP_EOL,
+
+        '/^[\s]*[=]{6}([^=]+)[=]{6}/' => '# $1' . PHP_EOL,
+        '/^[\s]*[=]{5}([^=]+)[=]{5}/' => '## $1' . PHP_EOL,
+        '/^[\s]*[=]{4}([^=]+)[=]{4}/' => '### $1' . PHP_EOL,
+        '/^[\s]*[=]{3}([^=]+)[=]{3}/' => '### $1' . PHP_EOL,
+        '/^[\s]*[=]{2}([^=]+)[=]{2}/' => '### $1' . PHP_EOL,
+        '/^[\s]*[=]{1}([^=]+)[=]{1}/' => '### $1' . PHP_EOL,
 
         // Tags
         '/\*\*([^\*]{2,})\*\*/' => '$1',
@@ -43,11 +43,11 @@ class Reader
         '/\[\[([^\[]+)\[([A-f:0-9]*)\]([^\]]+)\]\]/' => '$1~IPv6:open~$2~IPv6:close~$3',
 
         /// Remove extra spaces
-        '/\[\[\s?([^\|]+)\s?\|\s?([^\]]+)\s?\]\]/' => '[[$1|$2]]',
-        '/\[\[\s?([^\]]+)\s?\]\]/' => '[[$1]]',
+        '/\[\[\s*([^\|]+)\s*\|\s*([^\]]+)\s*\]\]/' => '[[$1|$2]]',
+        '/\[\[\s*([^\]]+)\s*\]\]/' => '[[$1]]',
 
-        '/\{\{\s?([^\|]+)\s?\|\s?([^\}]+)\s?\}\}/' => '{{$1|$2}}',
-        '/\{\{\s?([^\}]+)\s?\}\}/' => '{{$1}}',
+        '/\{\{\s*([^\|]+)\s*\|\s*([^\}]+)\s*\}\}/' => '{{$1|$2}}',
+        '/\{\{\s*([^\}]+)\s*\}\}/' => '{{$1}}',
 
         /// Wikipedia
         '/\[\[wp([A-z]{2,})>([^\|]+)\|([^\]]+)\]\]/ui' => '$3 ( https://$1.wikipedia.org/wiki/$2 )',
@@ -75,6 +75,10 @@ class Reader
         '/\[\[(https?:)([^\|]+)\|([^\]]+)\]\]/i' => '$3 ( $1$2 )',
         '/\[\[(https?:)([^\]]+)\]\]/i' => '$1$2', // @TODO
 
+        /// Media
+        '/\{\{(?!https?:)([^\|]+)\|([^\}]+)\}\}/i' => PHP_EOL . '=> /$1$2' . PHP_EOL,
+        '/\{\{(?!https?:)([^\}]+)\}\}/i' => PHP_EOL . '=> /$1$2' . PHP_EOL,
+
         // List
         '/^[\s]?-/' => '* ',
         '/^[\s]+\*/' => '*',