1 files changed, 73 insertions, 0 deletions
diff --git a/intellect-framework-from-internet/starts/meaning-vm/level-0/concept.hpp b/intellect-framework-from-internet/starts/meaning-vm/level-0/concept.hpp
new file mode 100644
index 0000000..833e417
--- /dev/null
+++ b/intellect-framework-from-internet/starts/meaning-vm/level-0/concept.hpp
@@ -0,0 +1,73 @@
+#pragma once
+
+#include "common.hpp"
+
+#include <any>
+#include <map>
+#include <unordered_set>
+#include <vector>
+
+namespace intellect {
+namespace level0 {
+
+struct concept
+{
+	// a concept is made of concept-typed links to other concepts
+	std::multimap<concept*,concept*> links;
+	// and optional associated arbitrary data
+	std::any data;
+
+	using array = std::vector<concept*>;
+
+	concept* id();
+
+	void link(concept* type, concept* target);
+	void unlink(concept* type, concept* target);
+	void unlink(concept* type);
+	void unlink(decltype(links)::iterator it);
+
+	bool crucial() { return iscrucial || crucialparts.size(); }
+	bool crucial(concept* type, concept* target);
+	bool crucial(decltype(links)::iterator it) { return crucialparts.count(it); }
+	void setcrucial() { iscrucial = true; }
+	void setcrucial(concept* type, concept* target);
+	void setcrucial(decltype(links)::iterator it) { crucialparts.insert(it); }
+
+	bool linked(concept* type) const;
+	bool linked(concept* type, concept* target) const;
+
+	array getAll(concept* type) const;
+
+	// get and set enforce that only 1 link of a given type is present
+	concept* get(concept* type) const;
+	void set(concept* type, concept* target);
+
+	template <typename T>
+	T & vget(concept* type) const { return get(type)->val<T>(); }
+
+	template <typename T>
+	T & val() { return std::any_cast<T&>(data); }
+
+	template <typename T>
+	void val(T const & v) { data = v; }
+
+	bool hasval() { return data.has_value(); }
+
+	template <typename T>
+	bool hasvalof() { return hasval() && data.type() == typeid(T); }
+
+private:
+	// for permanence
+	bool iscrucial;
+	struct linksit_hash
+	{
+		size_t operator()(decltype(links)::iterator const &it) const
+		{
+			return std::hash<decltype(&*it)>()(&*it);
+		}
+	};
+	std::unordered_set<decltype(links)::iterator, linksit_hash> crucialparts;
+};
+
+}
+}