First commit.

src/LogFeature.cpp

@@ -0,0 +1,74 @@
+#include "LogFeature.hpp"
+#include <mutex>
+#include <cstdio>
+#include "Lv2Log.hpp"
+
+
+using namespace pipedal;
+using namespace std;
+
+
+
+int LogFeature::printfFn(LV2_Log_Handle handle, LV2_URID type, const char* fmt, ...)
+{
+	va_list va;
+	va_start(va, fmt);
+
+	LogFeature* logFeature = (LogFeature*)handle;
+	return logFeature->vprintf(type, fmt, va);
+}
+
+int LogFeature::vprintfFn(LV2_Log_Handle handle,
+	LV2_URID       type,
+	const char* fmt,
+	va_list        ap)
+{
+	LogFeature* logFeature = (LogFeature*)handle;
+	return logFeature->vprintf(type, fmt, ap);
+}
+
+int LogFeature::vprintf(LV2_URID type,const char*fmt, va_list va)
+{
+	std::lock_guard<std::mutex> guard(logMutex);
+
+	const char* prefix = "";
+	char buffer[1024];
+	int result = vsnprintf(buffer, sizeof(buffer), fmt, va);
+
+	if (type == uris.ridError)
+	{
+		Lv2Log::error(buffer);
+	}
+	else if (type == uris.ridWarning)
+	{
+		Lv2Log::warning(buffer);
+	}
+	else if (type == uris.ridNote)
+	{
+		Lv2Log::info(buffer);
+	}
+	else if (type == uris.ridTrace)
+	{
+        Lv2Log::debug(buffer);
+	}
+    else {
+        Lv2Log::info(buffer);
+    }
+    return result;
+}
+
+
+LogFeature::LogFeature()
+{
+	feature.URI = LV2_LOG__log;
+	feature.data = &log;
+	log.handle = (void*)this;
+	log.printf = printfFn;
+	log.vprintf = vprintfFn;
+}
+void LogFeature::Prepare(MapFeature*map)
+{
+	uris.Map(map);
+
+}
+