fixing php custom highlighting and adding twig

Author: weaverryan

src/Renderers/CodeNodeRenderer.php

@@ -11,6 +11,8 @@
 
 class CodeNodeRenderer implements NodeRenderer
 {
+    private static $isHighlighterConfigured = false;
+
     private const LANGUAGES_MAPPING = [
         'html+jinja'      => 'twig',
         'html+twig'       => 'twig',
@@ -41,6 +43,8 @@ public function __construct(CodeNode $codeNode, TemplateRenderer $templateRender
 
     public function render(): string
     {
+        $this->configureHighlighter();
+
         $value = $this->codeNode->getValue();
 
         if ($this->codeNode->isRaw()) {
@@ -59,7 +63,6 @@ public function render(): string
 
         if ('text' !== $language) {
             $highLighter = new Highlighter();
-            Highlighter::registerLanguage('php', __DIR__.'/../Templates/highlight.php/pjp.json', true);
             $code        = $highLighter->highlight(self::LANGUAGES_MAPPING[$language] ?? $language, $code)->value;
         }
 
@@ -103,4 +106,14 @@ private function getLines(string $code): array
 
         return array_reverse($reversedLines);
     }
+
+    private function configureHighlighter()
+    {
+        if (false === self::$isHighlighterConfigured) {
+            Highlighter::registerLanguage('php', __DIR__.'/../Templates/highlight.php/php.json', true);
+            Highlighter::registerLanguage('twig', __DIR__.'/../Templates/highlight.php/twig.json', true);
+        }
+
+        self::$isHighlighterConfigured = true;
+    }
 }

src/Templates/highlight.php/twig.json

@@ -0,0 +1,79 @@
+{
+    "aliases": [
+        "craftcms"
+    ],
+    "case_insensitive": true,
+    "subLanguage": "xml",
+    "contains": [
+        {
+            "className": "comment",
+            "begin": "\\{#",
+            "end": "#}",
+            "contains": [
+                {
+                    "begin": "\\b(a|an|the|are|I'm|isn't|don't|doesn't|won't|but|just|should|pretty|simply|enough|gonna|going|wtf|so|such|will|you|your|they|like|more)\\b"
+                },
+                {
+                    "className": "doctag",
+                    "begin": "(?:TODO|FIXME|NOTE|BUG|XXX):",
+                    "relevance": 0
+                }
+            ]
+        },
+        {
+            "className": "template-tag",
+            "begin": "\\{%",
+            "end": "%}",
+            "contains": [
+                {
+                    "className": "name",
+                    "begin": "\\w+",
+                    "keywords": "autoescape block do embed extends filter flush for if import include macro sandbox set spaceless use verbatim endautoescape endblock enddo endembed endextends endfilter endflush endfor endif endimport endinclude endmacro endsandbox endset endspaceless enduse endverbatim",
+                    "starts": {
+                        "endsWithParent": true,
+                        "contains": [
+                            {
+                                "begin": "\\|[A-Za-z_]+:?",
+                                "keywords": "abs batch capitalize convert_encoding date date_modify default escape first format join json_encode keys last length lower merge nl2br number_format raw replace reverse round slice sort split striptags title trim upper url_encode",
+                                "contains": [
+                                    {
+                                        "beginKeywords": "attribute block constant cycle date dump include max min parent random range source template_from_string",
+                                        "keywords": {
+                                            "name": "attribute block constant cycle date dump include max min parent random range source template_from_string"
+                                        },
+                                        "relevance": 0,
+                                        "contains": [
+                                            {
+                                                "className": "params",
+                                                "begin": "\\(",
+                                                "end": "\\)"
+                                            }
+                                        ]
+                                    }
+                                ]
+                            },
+                            {
+                                "$ref": "#contains.1.contains.0.starts.contains.0.contains.0"
+                            }
+                        ],
+                        "relevance": 0
+                    }
+                }
+            ]
+        },
+        {
+            "className": "template-variable",
+            "begin": "\\{\\{",
+            "end": "}}",
+            "contains": [
+                "self",
+                {
+                    "$ref": "#contains.1.contains.0.starts.contains.0"
+                },
+                {
+                    "$ref": "#contains.1.contains.0.starts.contains.0.contains.0"
+                }
+            ]
+        }
+    ]
+}