added support for blockquotes

README.md

@@ -11,11 +11,12 @@ Parkdown currently support the following block types:
 * codeblocks *(with the ability to specify a language for the code block)*
 * tables *(with alignment specification)*
 * paragraphs
+* block quotes
 
 ### Supported inline types
 Parkdown currently support the following block types:
 
-* bold text (`**bold**`)
+*  bold text (`**bold**`)
 * italic text (`*italic*`)
 * code snippets
 * images (`![alt text](src url)`)
@@ -26,7 +27,6 @@ Parkdown currently support the following block types:
 * references (`[marker]: URL`)
 
 ## Examples
-
 ### Paragraphs
 ```markdown
 A simple paragraph can contain **bold text**, `inline codeblocks` and *italic text*. We can also link [with a direct url][https://google.com] *(i.e. to google)*
@@ -43,6 +43,21 @@ or via reference to [a later defined url][massivedynamic], i we so desire.
 
 ![this is an alt text](https://images.unsplash.com/photo-1571171637578-41bc2dd41cd2?ixlib=rb-1.2.1&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&h=300&w=1740&q=80)
 
+
+### Block quotes
+```markdown
+> Only two things are infinite,
+> the universe and hima stupidity,
+> i am not totally shure about the universe, though...
+>    - Albert Einstein
+```
+
+
+> Only two things are infinite,
+> the universe and hima stupidity,
+> i am not totally shure about the universe, though...
+>    - Albert Einstein
+
 ### Code blocks
 ```markdown
 

src/Lexer.php

@@ -87,6 +87,10 @@ class Lexer {
 						$clearBuffer();
 						array_push($tokens, new Token(TokenType::BACKSLASH, $char));
 						break;
+					case '>':
+						$clearBuffer();
+						array_push($tokens, new Token(TokenType::GT, $char));
+						break;
 					case ':':
 						if (str_ends_with($buffer, "http") || str_ends_with($buffer, "https")) {
 							$buffer .= $char;

src/Parser.php

@@ -48,6 +48,31 @@ class Parser {
 		return stripslashes($text);
 	}
 
+	private function resolveReferences(DOMElement $node) : void {
+		if (count($this->references) < 1)
+			return;
+
+		if ($node->hasAttribute("href")) {
+			$href = $node->getAttribute("href");
+			if (substr($href, 0, 1) === self::MAGIC_CHAR) {
+				$index = substr($href, 1, strlen($href) - 2);
+				if (array_key_exists($index, $this->references))
+					$node->setAttribute("href", $this->references[$index]);
+			}
+		}
+		if ($node->hasChildNodes()) {
+			foreach ($node->childNodes as $child) {
+				if ($child->nodeType === XML_ELEMENT_NODE)
+					$this->resolveReferences($child);
+			}
+		}
+	}
+
+	public function debug() : void {
+		echo "<pre>";
+		print_r($this->tokenStream);
+		echo "</pre>";
+	}
 	// PARSING
 
 	private function parseBold() : DOMNode {
@@ -405,30 +430,28 @@ class Parser {
 		$this->document->appendChild($elm);
 	}
 
-	private function resolveReferences(DOMElement $node) : void {
-		if (count($this->references) < 1)
+	private function parseBlockQuote() : void {
+		if (!str_starts_with($this->next()->data, " ")) {
+			$this->buildParagraph($this->parseText());
 			return;
-
-		if ($node->hasAttribute("href")) {
-			$href = $node->getAttribute("href");
-			if (substr($href, 0, 1) === self::MAGIC_CHAR) {
-				$index = substr($href, 1, strlen($href) - 2);
-				if (array_key_exists($index, $this->references))
-					$node->setAttribute("href", $this->references[$index]);
-			}
 		}
-		if ($node->hasChildNodes()) {
-			foreach ($node->childNodes as $child) {
-				if ($child->nodeType === XML_ELEMENT_NODE)
-					$this->resolveReferences($child);
+		$buffer = "";
+		$elm    = $this->document->createElement("blockquote", $buffer);
+		while (!($this->current()->type === TokenType::EOL && $this->next()->type !== TokenType::GT)) {
+			$gt   = $this->consume();
+			if ($this->current()->type === TokenType::EOL) {
+				$this->consume();
+				$line   = $this->document->createTextNode($buffer);
+				$br     = $this->document->createElement("br");
+				$buffer = "";
+				$elm->appendChild($line);
+				$elm->appendChild($br);
+				continue;
 			}
+			$buffer .= $this->current()->data;	
 		}
-	}
 
-	public function debug() : void {
-		echo "<pre>";
-		print_r($this->tokenStream);
-		echo "</pre>";
+		$this->document->appendChild($elm);
 	}
 
 	public function parse() : DOMDocument {
@@ -455,6 +478,9 @@ class Parser {
 				case TokenType::PIPE:
 					$this->parseTable();
 					break;
+				case TokenType::GT:
+					$this->parseBlockQuote();
+					break;
 				case TokenType::TEXT:
 				default:
 					$this->buildParagraph($this->parseText(true));

src/Token.php

@@ -20,6 +20,7 @@ enum TokenType {
 	case COLON    ;
 	case BACKSLASH;
 	case PIPE     ;
+	case GT       ;
 }
 
 class Token {