Render header syntax as simple html headers (not as full DokuWiki hea…

…ders).

This means that headlines in a folded block will not appear in the ToC and they will not have an own section edit button.

syntax/header.php

@@ -0,0 +1,60 @@
+<?php
+/**
+ * Folded text Plugin, header component:
+ * Render headers included in folded blocks.
+ *
+ * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
+ * @author     LarsDW223
+ */
+// must be run within Dokuwiki
+if(!defined('DOKU_INC')) die();
+
+/**
+ * This class handles header syntax inside folded blocks.
+ * A found header syntax will be rendered as an html header element but
+ * is not a DokuWiki header (no section edit, do not appear in toc).
+ */
+class syntax_plugin_folded_header extends DokuWiki_Syntax_Plugin {
+
+    function getType(){ return 'formatting'; }
+    function getPType() { return 'block'; }
+    function getSort(){ return 50; }
+    function connectTo($mode) {
+        if ($mode != 'plugin_folded_div') return;
+
+        // Copied from parser: we're not picky about the closing ones, two are enough
+        $this->Lexer->addSpecialPattern(
+                            '[ \t]*={2,}[^\n]+={2,}[ \t]*(?=\n)',
+                            $mode,
+                            'plugin_folded_header'
+                        );
+    }
+
+    /**
+     * Handle the match
+     */
+    function handle($match, $state, $pos, Doku_Handler $handler){
+        // Copied from parser: get level and title
+        $title = trim($match);
+        $level = 7 - strspn($title,'=');
+        if($level < 1) $level = 1;
+        $title = trim($title,'=');
+        $title = trim($title);
+        return array($title,$level,$pos);
+    }
+
+    /**
+     * Create output
+     */
+    function render($mode, Doku_Renderer $renderer, $data) {
+        if($mode != 'xhtml') return;
+
+        list($text,$level,$pos) = $data;
+
+        // Write the header
+        $renderer->doc .= DOKU_LF.'<h'.$level.'>';
+        $renderer->cdata($text);
+        $renderer->doc .= "</h$level>".DOKU_LF;
+        return true;
+    }
+}