implemented code blocks

src/Lexer.php

@@ -14,8 +14,10 @@ class Lexer {
 		$tokens = [];
 
 		foreach ($this->source as $line) {
-			if (strlen($line) < 1)
+			if (strlen($line) < 1) {
+				array_push($tokens, new Token(TokenType::EOL, "\n"));
 				continue;
+			}
 
 			$buffer = "";
 			$number = false;
@@ -59,10 +61,10 @@ class Lexer {
 				}
 			}
 			$clearBuffer();
-			array_push($tokens, new Token(TokenType::EOL));
+			array_push($tokens, new Token(TokenType::EOL, "\n"));
 		}
 		$clearBuffer();
-		array_push($tokens, new Token(TokenType::EOF));
+		array_push($tokens, new Token(TokenType::EOF, "\0"));
 		
 		return $tokens;
 	}

src/Parser.php

@@ -81,7 +81,7 @@ class Parser {
 			$buffer = "";
 		};
 		
-		while ($this->current()->type !== TokenType::EOL) {
+		while ($this->current()->type !== TokenType::EOL && $this->current()->type !== TokenType::EOF) {
 			if ($this->current()->type === TokenType::ASTERISK) {
 				$clearBuffer();
 				if ($this->next()->type === TokenType::ASTERISK) {
@@ -144,11 +144,8 @@ class Parser {
 					$elm->appendChild($node);
 				$list->appendChild($elm);
 			} else {
-				$elm = $this->document->createElement("p");
 				$elms = $this->parseText();
-				foreach ($elms as $node)
-					$elm->appendChild($node);
-				$this->document->appendChild($elm);
+				$this->buildParagraph($elms);
 				continue;
 			}
 		}
@@ -156,6 +153,13 @@ class Parser {
 		$this->document->appendChild($list);
 	}
 
+	private function buildParagraph(array $elms) : void {
+		$elm = $this->document->createElement("p");
+		foreach ($elms as $node)
+			$elm->appendChild($node);
+		$this->document->appendChild($elm);
+	}
+
 	private function parseHeading() : void {
 		$level = 0;
 
@@ -169,6 +173,42 @@ class Parser {
 		$this->document->appendChild($elm);
 	}
 
+	private function parseCodeBlock() : void {
+		if (!($this->next()->type === TokenType::BACKTICK && $this->peek(2)->type === TokenType::BACKTICK)) {
+			$this->buildParagraph($this->parseText());
+
+			return;
+		}
+		$this->consume();
+		$this->consume();
+		$this->consume(); // ```
+
+		$lang = $this->parseText();
+		$lang = count($lang) > 0 ? trim($lang[0]->data) : null;
+
+		$container = $this->document->createElement("pre");
+		if ($lang)
+			$container->setAttribute("data-lang", $lang);
+		
+		$buffer = "";
+		while (!($this->current()->type === TokenType::BACKTICK &&
+				$this->next()->type === TokenType::BACKTICK &&
+				$this->peek(2)->type === TokenType::BACKTICK) && $this->current()->type !== TokenType::EOF) {
+			$buffer .= $this->consume()->data;
+		}
+		echo $buffer;
+		if ($this->current()->type !== TokenType::EOF) {
+			$this->consume();
+			$this->consume();
+			$this->consume();
+		}
+
+		$elm = $this->document->createElement("code", $buffer);
+		$container->appendChild($elm);
+		$this->document->appendChild($container);
+		$this->consume();
+	}
+
 	public function parse() : string {
 		while ($this->current()->type !== TokenType::EOF) {
 			switch($this->current()->type) {
@@ -187,6 +227,9 @@ class Parser {
 				case TokenType::NUMBER:
 					$this->parseOrderedList();
 					break;
+				case TokenType::BACKTICK:
+					$this->parseCodeBlock();
+					break;
 				case TokenType::EOL:
 					$this->consume();
 					break;

test/test1.md

@@ -14,3 +14,12 @@
 Lorem **ipsum** dolor sit *amet*,  `consetetur` sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua.
 
 At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet.
+
+```
+	//this should be a codeblock
+	function helloWorld() : void {
+		echo "Hello World!";
+	}
+
+	helloWorld();
+```