From 7331124333616caf72bc9ccd1033e45a1f29a695 Mon Sep 17 00:00:00 2001
From: matthes <leuffen@continue.de>
Date: Wed, 25 Jul 2018 14:59:58 +0200
Subject: [PATCH] added custom sections

---
 docs/README.md       | 2 +-
 src/TextTemplate.php | 9 +++++++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/docs/README.md b/docs/README.md
index 6683859..031373e 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -276,7 +276,7 @@ Some Content
 To use sections you must just set the callback:
 
 ```php
-$textTemplate->setSectionCallback("sectionxy", function ($content, $params, $command, $context, $cmdParam) {
+$textTemplate->addSection("sectionxy", function ($content, $params, $command, $context, $cmdParam) {
     return "Content to replace section content with";
 });
 ```
diff --git a/src/TextTemplate.php b/src/TextTemplate.php
index f226b77..64e1b52 100644
--- a/src/TextTemplate.php
+++ b/src/TextTemplate.php
@@ -222,8 +222,13 @@ function ($matches) use (&$nestingIndex, &$indexCounter, &$li, $blockTags) {
 
                         return $out;
                     } else if ($slash == "/") {
-                        if ( ! isset ($nestingIndex[$tag]))
-                            throw new TemplateParsingException("Line {$li}: Opening tag not found for closing tag: '{$matches[0]}'");
+                        if ( ! isset ($nestingIndex[$tag])) {
+                            if ( ! isset ($this->sections[$tag]) && ! in_array($tag, ["if", "for"]))
+                                throw new TemplateParsingException("Line {$li}: No callback registred for section {{$tag}}{/{$tag}}");
+                            throw new TemplateParsingException(
+                                "Line {$li}: Opening tag not found for closing tag: '{$matches[0]}'"
+                            );
+                        }
                         if (count ($nestingIndex[$tag]) == 0)
                             throw new TemplateParsingException("Line {$li}: Nesting level does not match for closing tag: '{$matches[0]}'");
                         $curIndex = array_pop($nestingIndex[$tag]);