restructure project

ixcore/CMakeLists.txt

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+#
+# Author: Benjamin Sergeant
+# Copyright (c) 2019 Machine Zone, Inc. All rights reserved.
+#
+
+set (IXCORE_SOURCES
+    ixcore/utils/IXCoreLogger.cpp
+)
+
+set (IXCORE_HEADERS
+    ixcore/utils/IXCoreLogger.h
+)
+
+add_library(ixcore STATIC
+    ${IXCORE_SOURCES}
+    ${IXCORE_HEADERS}
+)
+
+target_include_directories( ixcore PUBLIC . )

ixcore/ixcore/utils/IXCoreLogger.cpp

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+#include "ixcore/utils/IXCoreLogger.h"
+
+
+namespace ix
+{
+// Default do nothing logger
+IXCoreLogger::LogFunc IXCoreLogger::_currentLogger = [](const char* /*msg*/){};
+
+void IXCoreLogger::Log(const char* msg)
+{
+    _currentLogger(msg);
+}
+
+} // ix

ixcore/ixcore/utils/IXCoreLogger.h

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+#pragma once
+#include <functional>
+
+namespace ix
+{
+    class IXCoreLogger
+    {
+    public:
+        using LogFunc = std::function<void(const char*)>;
+        static void Log(const char* msg);
+
+        static void setLogFunction(LogFunc& func) { _currentLogger = func; }
+
+    private:
+        static LogFunc _currentLogger;
+    };
+
+} // namespace ix