Remove unused/old code

src/main/java/de/neuland/pug4j/parser/Parser.java

@@ -2,7 +2,6 @@
 
 import de.neuland.pug4j.exceptions.PugParserException;
 import de.neuland.pug4j.expression.ExpressionHandler;
-import de.neuland.pug4j.lexer.token.Assignment;
 import de.neuland.pug4j.lexer.token.Each;
 import de.neuland.pug4j.lexer.Lexer;
 import de.neuland.pug4j.lexer.token.*;
@@ -139,9 +138,6 @@ private Node parseExpr() {
         if (token instanceof Each) {
             return parseEach();
         }
-        if (token instanceof Code) {
-            return parseCode();
-        }
         if (token instanceof Expression) {
             return parseCode();
         }
@@ -166,10 +162,6 @@ private Node parseExpr() {
         if (token instanceof CssClass || token instanceof CssId) {
             return parseCssClassOrId();
         }
-        if (token instanceof Assignment) {
-            return parseAssignment();
-        }
-
         throw error("INVALID_TOKEN","unexpected token \"" + peek().getType() + "\"",peek());
     }
 
@@ -703,17 +695,6 @@ private Node parseWhile() {
         return node;
     }
 
-    private Node parseAssignment() {
-        Token token = expect(Assignment.class);
-        Token assignmentToken = (Assignment) token;
-        Node node = new AssigmentNode();
-        node.setName(assignmentToken.getName());
-        node.setValue(assignmentToken.getValue());
-        node.setLineNumber(assignmentToken.getStartLineNumber());
-        node.setFileName(filename);
-        return node;
-    }
-
     private Node parseTag() {
         Token token = advance();
         String name = token.getValue();

src/main/java/de/neuland/pug4j/parser/node/CallNode.java

@@ -135,10 +135,11 @@ private void writeAttributes(PugModel model, MixinNode mixin, PugTemplate templa
 				   throw new PugCompilerException(this, template.getTemplateLoader(), e);
 			   }
 			   if(o instanceof Map) {
-                   ((Map<String, String>) o).entrySet().stream()
-						   .map(entry -> new Attr(entry.getKey(), entry.getValue(), false))
-						   .forEachOrdered(newAttributes::add);
-			   }
+                   for (Map.Entry<String, String> entry : ((Map<String, String>) o).entrySet()) {
+                       Attr attr = new Attr(entry.getKey(), entry.getValue(), false);
+                       newAttributes.add(attr);
+                   }
+               }
 		   }
   		}
 

src/main/java/de/neuland/pug4j/parser/node/ConditionalNode.java

@@ -31,7 +31,7 @@ public void execute(IndentWriter writer, PugModel model, PugTemplate template) t
 
 	private boolean checkCondition(PugModel model, String condition, ExpressionHandler expressionHandler) throws ExpressionException {
 		Boolean value = expressionHandler.evaluateBooleanExpression(condition, model);
-		return (value == null) ? false : value;
+		return value != null && value;
 	}
 
 	public List<IfConditionNode> getConditions() {

src/main/java/de/neuland/pug4j/parser/node/EachNode.java

@@ -64,7 +64,7 @@ private void runIterator(Iterator<?> iterator, PugModel model, IndentWriter writ
 
 	private void runMap(Map<Object, Object> result, PugModel model, IndentWriter writer, PugTemplate template) {
 		Set<Object> keys = result.keySet();
-		if (keys.size() == 0) {
+		if (keys.isEmpty()) {
 			executeElseNode(model, writer, template);
 			return;
 		}
@@ -97,10 +97,6 @@ public void setKey(String key) {
 		this.key = key;
 	}
 
-	public Node getElseNode() {
-		return elseNode;
-	}
-
 	public void setElseNode(Node elseNode) {
 		this.elseNode = elseNode;
 	}

src/main/java/de/neuland/pug4j/parser/node/FilterNode.java

@@ -62,7 +62,7 @@ public void execute(IndentWriter writer, PugModel model, PugTemplate template) t
 	}
 
 	private Map<String, Object> convertToFilterAttributes(PugTemplate template, PugModel model, LinkedList<Attr> attributes) {
-		Map evaluatedAttributes = new HashMap<String,Object>() ;
+		Map<String,Object> evaluatedAttributes = new HashMap<String,Object>() ;
 		for (Attr attribute : attributes) {
 			if(attribute.getValue() instanceof ExpressionString) {
 				try {
@@ -81,7 +81,4 @@ public void setFilter(LinkedList<IncludeFilterNode> filters) {
 		this.filters = filters;
 	}
 
-	public boolean hasFilters(){
-		return this.filters.size()>0;
-	}
 }