Sort of get html and xml syntax highlighting working

src/Enum/SyntaxFamily.php

@@ -0,0 +1,16 @@
+<?php declare(strict_types=1);
+
+namespace Aviat\Kilo\Enum;
+
+use Aviat\Kilo\Traits;
+
+/**
+ *
+ */
+class SyntaxFamily {
+	use Traits\ConstList;
+
+	public const C = 'C';
+
+	public const XML = 'XML';
+}

src/FileType.php

@@ -2,6 +2,8 @@
 
 namespace Aviat\Kilo;
 
+use Aviat\Kilo\Enum\SyntaxFamily;
+
 class FileType {
 	/**
 	 * Create the FileType object from the filename
@@ -125,6 +127,45 @@ class FileType {
 				hasCharType: true,
 				highlightCharacters: true,
 			),
+			'.html', '.htm', '.shtml' => Syntax::new(
+				'Html',
+				[
+					'!doctype', '!DOCTYPE', 'html', 'base', 'head', 'link', 'meta', 'style', 'title', 'body', 'address', 'article',
+					'aside', 'footer', 'header', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'main', 'nav', 'section',
+					'blockquote', 'dd', 'div', 'dl', 'dt', 'figcaption', 'figure', 'hr', 'li', 'ol', 'p', 'pre',
+					'ul', 'a', 'abbr', 'b', 'bdi', 'bdo', 'br', 'cite', 'code', 'data', 'dfn', 'em', 'i', 'kbd',
+					'mark', 'q', 'rp', 'rt', 'ruby', 's', 'samp', 'small', 'span', 'strong', 'sub', 'sup', 'time',
+					'u', 'var', 'wbr', 'area', 'audio', 'img', 'map', 'track', 'video', 'embed', 'iframe', 'object',
+					'param', 'picture', 'portal', 'source', 'svg', 'math', 'canvas', 'noscript', 'script', 'del',
+					'ins', 'caption', 'col', 'colgroup', 'table', 'td', 'tbody', 'tfoot', 'th', 'thead', 'tr',
+					'button', 'datalist', 'fieldset', 'form', 'input', 'label', 'legend', 'meter', 'optgroup',
+					'option', 'output', 'progress', 'select', 'textarea', 'details', 'dialog', 'menu', 'summary',
+					'slot', 'template', 'frameset', 'frame', 'noframes', 'marquee', 'font', 'center',
+				],
+				[
+					'id', 'class', 'for', 'style', 'charset'
+				],
+				operators: ['</', '<', '=', '>'],
+				slcs: '',
+				mcs: '<!--',
+				mce: '-->',
+				highlightNumbers: false,
+				hasCommonOperators: false,
+				syntaxFamily: SyntaxFamily::XML,
+			),
+			'.xml' => Syntax::new(
+				'XML',
+				[
+					'!doctype', '!element', '<?xml', '?>',
+				],
+				operators: ['<', '=', '>'],
+				slcs: '',
+				mcs: '<!--',
+				mce: '-->',
+				highlightNumbers: false,
+				hasCommonOperators: false,
+				syntaxFamily: SyntaxFamily::XML,
+			),
 			default => Syntax::default(),
 		};
 	}

src/Syntax.php

@@ -2,6 +2,8 @@
 
 namespace Aviat\Kilo;
 
+use Aviat\Kilo\Enum\SyntaxFamily;
+
 class Syntax {
 	// Tokens for PHP files
 	public array $tokens = [];
@@ -20,6 +22,7 @@ class Syntax {
 		bool $hasCharType = false,
 		bool $highlightCharacters = false,
 		bool $hasCommonOperators = true,
+		string $syntaxFamily = SyntaxFamily::C,
 	): self
 	{
 		return new self(
@@ -36,6 +39,7 @@ class Syntax {
 			$highlightStrings,
 			$highlightComments,
 			$hasCommonOperators,
+			$syntaxFamily,
 		);
 	}
 
@@ -79,6 +83,8 @@ class Syntax {
 		private bool $highlightComments,
 		/** should we highlight common operators? */
 		private bool $hasCommonOperators,
+		/** What kind of general syntax family does this file belong to? */
+		private string $syntaxFamily,
 	) {}
 
 	public function numbers(): bool
@@ -117,4 +123,9 @@ class Syntax {
 	{
 		return $this->hasCommonOperators;
 	}
+
+	public function syntaxFamily(): string
+	{
+		return $this->syntaxFamily;
+	}
 }