Adjusted workflow.

src/system/Open_UNX.cpp

@@ -0,0 +1,117 @@
+#include "ehs/system/Open_UNX.h"
+#include "ehs/Log.h"
+
+#include <dlfcn.h>
+
+namespace ehs
+{
+	Open::~Open()
+	{
+		if (!Open::IsInitialize())
+			return;
+
+		if (dlclose(hdl))
+			EHS_LOG_INT("Error", 0, "Failed to close.");
+	}
+
+	Open::Open()
+		: hdl(nullptr)
+	{
+	}
+
+	Open::Open(Str_8 filePath)
+		: BaseOpen((Str_8&&)filePath), hdl(nullptr)
+	{
+		Open::Initialize();
+	}
+
+	Open::Open(Open&& o) noexcept
+		: BaseOpen((BaseOpen&&)o), hdl(o.hdl)
+	{
+		o.hdl = nullptr;
+	}
+
+	Open::Open(const Open& o)
+		: BaseOpen(o), hdl(nullptr)
+	{
+		Open::Initialize();
+	}
+
+	Open& Open::operator=(Open&& o) noexcept
+	{
+		if (this == &o)
+			return *this;
+
+		Open::Release();
+
+		BaseOpen::operator=((BaseOpen&&)o);
+
+		hdl = o.hdl;
+
+		o.hdl = nullptr;
+
+		return *this;
+	}
+
+	Open& Open::operator=(const Open& o)
+	{
+		if (this == &o)
+			return *this;
+
+		Open::Release();
+
+		BaseOpen::operator=(o);
+
+		hdl = nullptr;
+
+		Open::Initialize();
+
+		return *this;
+	}
+
+	void Open::Initialize()
+	{
+		if (IsInitialize())
+			return;
+
+		hdl = dlopen(filePath, RTLD_LAZY);
+		if (!hdl)
+		{
+			EHS_LOG_INT("Error", 0, dlerror());
+			return;
+		}
+	}
+
+	void Open::Release()
+	{
+		if (!IsInitialize())
+			return;
+
+		if (dlclose(hdl))
+			EHS_LOG_INT("Error", 0, "Failed to close.");
+
+		hdl = nullptr;
+	}
+
+	void* Open::Retrieve(Str_8 symbol)
+	{
+		if (!IsInitialize())
+			return nullptr;
+
+		void* func = dlsym(hdl, symbol);
+		if (!func)
+		{
+			dlerror();
+			EHS_LOG_INT("Error", 0, "Undefined symbol, \"" + symbol + "\".");
+			Release();
+			return nullptr;
+		}
+
+		return func;
+	}
+
+	bool Open::IsInitialize() const
+	{
+		return hdl;
+	}
+}