qosd: добавлены итераторы по узлам

src/main.cpp

@@ -1,19 +1,29 @@
-#include "nodes/SimpleNode.h"
-#include "nodes/ComplexNode.h"
 #include <iostream>
+
 #include "Logger.h"
 
-void printTree(const NodePtr& node, int indent = 0) {
-	if (!node) {
-		Logger::get("MAIN").err("No node");
-		return;
-	}
+#include "nodes/SimpleNode.h"
+#include "nodes/ComplexNode.h"
+#include "iterators/Traversal.h"
 
-	for (int i = 0; i < indent; ++i) std::cout << "  ";
-	std::cout << node->name() << "\n";
 
-	for (const auto& child : node->children())
-		printTree(child, indent + 1);
+void printNode(INode& node, size_t level) {
+	for (size_t i = level; i > 0; i--)
+		std::cout << "  ";
+	std::cout << node.name() << "\n";
+}
+
+void printTreeBFS(INode& node) {
+	for (auto& child : traversal::BFS(&node))
+		printNode(*child, 0);
+}
+void printTreeList(INode& node) {
+	for (auto& child : traversal::DFS(&node))
+		printNode(*child, 0);
+}
+void printTreeLadder(INode& node) {
+	for (auto& [child, level] : traversal::DFS(&node))
+		printNode(*child, level);
 }
 
 int main() {
@@ -31,7 +41,7 @@ int main() {
 		root->linkChild(child1);
 
 		std::cout << "\nInit tree:\n";
-		printTree(root);
+		printTreeLadder(*root);
 		std::cout << "\n";
 
 		{
@@ -83,21 +93,29 @@ int main() {
 			}
 
 			std::cout << "\nAnother tree:\n";
-			printTree(root);
+			printTreeLadder(*root);
+			std::cout << "\n";
+
+			std::cout << "\nList:\n";
+			printTreeList(*root);
+			std::cout << "\n";
+
+			std::cout << "\nBFS:\n";
+			printTreeBFS(*root);
 			std::cout << "\n";
 
 			logger.info("Unlinking ComplexChild2...\n");
 			child2->unlinkParent();
 
 			std::cout << "\nTree after unlink:\n";
-			printTree(root);
+			printTreeLadder(*root);
 			std::cout << "\n";
 
 			logger.info("Put refs of ComplexChild2, ComplexChild3 and its children");
 		}
 
 		std::cout << "\nTree after scope out:\n";
-		printTree(root);
+		printTreeLadder(*root);
 		std::cout << "\n";
 
 		logger.info("Unlinking ComplexChild1 and ComplexChild3...\n");
@@ -114,7 +132,7 @@ int main() {
 		root->linkChild(child4);
 
 		std::cout << "\nTree flush and link SimpleChild4:\n";
-		printTree(root);
+		printTreeLadder(*root);
 		std::cout << "\n";
 	}