First commit.

src/LogFeature.hpp

@@ -0,0 +1,65 @@
+#pragma once
+
+#include "lv2/core/lv2.h"
+
+#include "lv2/atom/atom.h"
+#include "lv2/atom/util.h"
+#include "lv2/core/lv2.h"
+#include "lv2/log/log.h"
+#include "lv2/log/logger.h"
+#include "lv2/midi/midi.h"
+#include "lv2/urid/urid.h"
+#include "lv2/atom/atom.h"
+#include "MapFeature.hpp"
+#include <map>
+#include <string>
+#include <mutex>
+
+
+namespace pipedal {
+	class LogFeature {
+
+	private:
+		LV2_URID nextAtom = 0;
+		LV2_Feature feature;
+		LV2_Log_Log log;
+		std::mutex logMutex;
+		struct Uri {
+			void Map(MapFeature* map)
+			{
+				ridError = map->GetUrid(LV2_LOG__Error);
+				ridNote = map->GetUrid(LV2_LOG__Note);
+				ridTrace = map->GetUrid(LV2_LOG__Trace);
+				ridWarning = map->GetUrid(LV2_LOG__Warning);
+			}
+			LV2_URID ridError;
+			LV2_URID ridWarning;
+			LV2_URID ridNote;
+			LV2_URID ridTrace;
+		};
+
+		Uri uris;
+
+	public:
+		LogFeature();
+		void Prepare(MapFeature* map);
+
+	public:
+		const LV2_Feature* GetFeature()
+		{
+			return &feature;
+		}
+		LV2_URID GetUrid(const char* uri);
+	private:
+		static int printfFn(LV2_Log_Handle handle, LV2_URID type, const char* fmt, ...);
+
+		static int vprintfFn(LV2_Log_Handle handle,
+			LV2_URID       type,
+			const char* fmt,
+			va_list        ap);
+
+		int vprintf(LV2_URID type, const char* fmt, va_list va);
+
+
+	};
+}