Add markdown_default

Author: Mizunashi Mana

conf/default.php

@@ -2,3 +2,4 @@
 
 $conf['debug'] = 0;
 $conf['flavor'] = 'github-flavored';
+$conf['markdown_default'] = 0;

conf/metadata.php

@@ -12,3 +12,6 @@
         'markdown-extra',
     ],
 ];
+$meta['markdown_default'] = [
+    'onoff',
+];

lang/en/settings.php

@@ -2,3 +2,4 @@
 
 $lang['debug'] = 'Display additional debug information';
 $lang['flavor'] = 'Markdown flavor';
+$lang['markdown_default'] = 'Make Markdown to default DokuWiki syntax';

lang/ja/settings.php

@@ -2,3 +2,4 @@
 
 $lang['debug'] = '追加のデバッグ情報を表示する';
 $lang['flavor'] = 'Markdown記法';
+$lang['markdown_default'] = 'Markdown を DokuWiki のデフォルト構文にする';

syntax.php

@@ -34,20 +34,33 @@ public function getPluginName() {
     }
 
     public function connectTo($mode) {
-        $this->Lexer->addEntryPattern('<markdown>(?=.*</markdown>)', $mode, 'plugin_' . $this->getPluginName());
+        if ($this->getConf('markdown_default')) {
+            $this->Lexer->addEntryPattern('\\A.', $mode, 'plugin_' . $this->getPluginName());
+        } else {
+            $this->Lexer->addEntryPattern('<markdown>(?=.*</markdown>)', $mode, 'plugin_' . $this->getPluginName());
+        }
     }
 
     public function postConnect() {
-        $this->Lexer->addExitPattern('</markdown>', 'plugin_' . $this->getPluginName());
+        if ($this->getConf('markdown_default')) {
+            $this->Lexer->addExitPattern('\\z', 'plugin_' . $this->getPluginName());
+        } else {
+            $this->Lexer->addExitPattern('</markdown>', 'plugin_' . $this->getPluginName());
+        }
     }
 
     public function handle($match, $state, $pos, Doku_Handler $handler) {
         switch ($state) {
             case DOKU_LEXER_UNMATCHED:
+                $new_pos = $pos;
+                if (!$this->getConf('markdown_default')) {
+                    $new_pos = $new_pos - strlen('<markdown>');
+                }
+
                 return [
                     'render' => true,
                     'match' => $match,
-                    'pos' => $pos - strlen('<markdown>'),
+                    'pos' => $new_pos,
                 ];
             default:
                 return [