fix: output of abbr_class macro work with types containing HTML special chars

Author: williamdes

src/Renderer/TwigExtension.php

@@ -123,13 +123,13 @@ public static function abbrClass($class, bool $absolute = false): string
             $class = $class->getName();
 
             if ($short === $class && !$absolute) {
-                return $class;
+                return htmlspecialchars($class, ENT_QUOTES);
             }
         } else {
-            $parts = explode('\\', $class);
+            $parts = explode('\\', $class, ENT_QUOTES);
 
             if (count($parts) === 1 && !$absolute) {
-                return $class;
+                return htmlspecialchars($class);
             }
 
             $short = array_pop($parts);

tests/TwigExtensionTest.php

@@ -22,7 +22,7 @@ public function testAbbrClassString(): void
         $this->assertEquals('<abbr title="TumDoc\Parse">Parse</abbr>', TwigExtension::abbrClass('TumDoc\\Parse'));
         $this->assertEquals('Parse', TwigExtension::abbrClass('Parse'));
         $this->assertEquals('<abbr title="Parse">Parse</abbr>', TwigExtension::abbrClass('Parse', true));
-        $this->assertEquals('array<int,string>[]', TwigExtension::abbrClass('array<int,string>[]'));
+        $this->assertEquals('array&lt;int,string&gt;[]', TwigExtension::abbrClass('array<int,string>[]'));
         $this->assertEquals(
             '<abbr title="array&lt;int,string&gt;[]">array&lt;int,string&gt;[]</abbr>',
             TwigExtension::abbrClass('array<int,string>[]', true)