explose base and imgui as plugin

src/CMakeLists.txt

@@ -13,3 +13,17 @@ target_link_libraries(solanaceae_crdtnotes PUBLIC
 
 ########################################
 
+add_library(solanaceae_crdtnotes_imgui
+	./solanaceae/crdtnotes_imgui/crdtnotes_imgui.hpp
+	./solanaceae/crdtnotes_imgui/crdtnotes_imgui.cpp
+)
+target_include_directories(solanaceae_crdtnotes_imgui PUBLIC .)
+target_compile_features(solanaceae_crdtnotes_imgui PUBLIC cxx_std_17)
+target_link_libraries(solanaceae_crdtnotes_imgui PUBLIC
+	solanaceae_crdtnotes
+	#imgui_interface
+	imgui
+	#solanaceae_util
+)
+
+########################################

src/solanaceae/crdtnotes_imgui/crdtnotes_imgui.cpp

@@ -0,0 +1,60 @@
+#include "./crdtnotes_imgui.hpp"
+
+#include <cstdint>
+
+#include <imgui.h>
+
+namespace detail {
+	uint8_t nib_from_hex(char c) {
+		assert((c >= '0' && c <= '9') || (c >= 'a' && c <= 'f'));
+
+		if (c >= '0' && c <= '9') {
+			return static_cast<uint8_t>(c) - '0';
+		} else if (c >= 'a' && c <= 'f') {
+			return (static_cast<uint8_t>(c) - 'a') + 10u;
+		} else {
+			return 0u;
+		}
+	}
+	char nib_to_hex(uint8_t c) {
+		assert((c & 0xf0) == 0x00);
+
+		if (/*c >= 0x00 &&*/ c <= 0x09) {
+			return static_cast<char>(c) + '0';
+		} else if (c >= 0x0a && c <= 0x0f) {
+			return (static_cast<char>(c) + 'a') - 10u;
+		} else {
+			return 0u;
+		}
+	}
+
+	template<typename Container>
+	std::string to_hex(const Container& data) {
+		std::string res;
+		for (const uint8_t it : data) {
+			res += nib_to_hex(it << 4);
+			res += nib_to_hex(it & 0x0f);
+		}
+		return res;
+	}
+} // detail
+
+
+CRDTNotesImGui::CRDTNotesImGui(CRDTNotes& notes) : _notes(notes) {
+}
+
+float CRDTNotesImGui::render(void) {
+	if (_show_global_list) {
+		if (ImGui::Begin("CRDTNotes - Global list")) {
+			const auto doclist = _notes.getDocList();
+			for (const auto& docid : doclist) {
+				const auto docid_str = detail::to_hex(docid);
+				ImGui::TextUnformatted(docid_str.c_str());
+			}
+		}
+		ImGui::End();
+	}
+
+	return 1.f;
+}
+

src/solanaceae/crdtnotes_imgui/crdtnotes_imgui.hpp

@@ -0,0 +1,15 @@
+#pragma once
+
+#include <solanaceae/crdtnotes/crdtnotes.hpp>
+
+class CRDTNotesImGui {
+	CRDTNotes& _notes;
+
+	bool _show_global_list {true};
+
+	public:
+		CRDTNotesImGui(CRDTNotes& notes);
+
+		float render(void);
+};
+