poperdolilo

include/links/BaseLink.h

@@ -0,0 +1,20 @@
+#pragma once
+#include "ifaces/ILink.h"
+#include "ifaces/INode.h"
+#include <algorithm>
+
+class BaseLink : public ILink {
+public:
+    explicit BaseLink(NodePtr node) : owner_node_(node) {}
+    NodePtr getNode() const override { return owner_node_.lock(); }
+    LinkPtr getParent() const override { return parent_.lock(); }
+    void setParent(const LinkPtr& parent) override { parent_ = parent; }
+    const std::vector<LinkPtr>& getChildren() const override { return children_; }
+    void removeChild(const LinkPtr& child) override {
+        children_.erase(std::remove(children_.begin(), children_.end(), child), children_.end());
+    }
+protected:
+    std::vector<LinkPtr> children_;
+    std::weak_ptr<INode> owner_node_;
+    std::weak_ptr<ILink> parent_;
+};

include/links/LeafLink.h

@@ -0,0 +1,9 @@
+#pragma once
+#include "links/BaseLink.h"
+#include <stdexcept>
+
+class LeafLink : public BaseLink {
+public:
+    using BaseLink::BaseLink;
+    void addChild(const LinkPtr&) override { throw std::logic_error("LeafLink cannot have children"); }
+};

include/links/OneToManyLink.h

@@ -0,0 +1,8 @@
+#pragma once
+#include "links/BaseLink.h"
+
+class OneToManyLink : public BaseLink {
+public:
+    using BaseLink::BaseLink;
+    void addChild(const LinkPtr& child) override { children_.push_back(child); }
+};