start with doc store

src/solanaceae/crdtnotes/crdtnotes.cpp

@@ -0,0 +1,39 @@
+#include "./crdtnotes.hpp"
+
+CRDTNotes::CRDTNotes(void) {
+}
+
+CRDTNotes::~CRDTNotes(void) {
+}
+
+std::vector<CRDTNotes::DocID> CRDTNotes::getDocList(void) {
+	std::vector<CRDTNotes::DocID> list;
+	for (const auto& [id, doc] : _docs) {
+		list.push_back(id);
+	}
+	return list;
+}
+
+const CRDTNotes::Doc* CRDTNotes::getDoc(const DocID& id) const {
+	auto res = _docs.find(id);
+	return res != _docs.cend() ? &(res->second) : nullptr;
+}
+
+CRDTNotes::Doc* CRDTNotes::getDoc(const DocID& id) {
+	auto res = _docs.find(id);
+	return res != _docs.cend() ? &(res->second) : nullptr;
+}
+
+CRDTNotes::Doc* CRDTNotes::addDoc(const CRDTAgent& self_agent, const DocID& id) {
+	if (_docs.count(id)) {
+		// error exists
+		// noop?
+		return nullptr;
+	}
+
+	// create and set local_actor
+	auto& doc = _docs[id];
+	doc.local_actor = self_agent;
+	return &doc;
+}
+