Started work on database handling.

src/db/DbVar.cpp

@@ -0,0 +1,84 @@
+#include "ehs/db/DbVar.h"
+
+namespace ehs
+{
+	DbVar::~DbVar()
+	{
+		delete[] data;
+	}
+
+	DbVar::DbVar()
+		: hashId(0), size(0), data(nullptr)
+	{
+	}
+
+	DbVar::DbVar(UInt_64 hashId, UInt_64 size, Byte* data)
+		: hashId(hashId), size(size), data(data)
+	{
+	}
+
+	DbVar::DbVar(DbVar&& var) noexcept
+		: hashId(var.hashId), size(var.size), data(var.data)
+	{
+		var.hashId = 0;
+		var.size = 0;
+		var.data = nullptr;
+	}
+
+	DbVar::DbVar(const DbVar& var)
+		: hashId(0), size(0), data(nullptr)
+	{
+	}
+
+	DbVar& DbVar::operator=(DbVar&& var) noexcept
+	{
+		if (this == &var)
+			return *this;
+
+		delete[] data;
+
+		hashId = var.hashId;
+		size = var.size;
+		data = var.data;
+
+		var.hashId = 0;
+		var.size = 0;
+		var.data = nullptr;
+
+		return *this;
+	}
+
+	DbVar& DbVar::operator=(const DbVar& var)
+	{
+		if (this == &var)
+			return *this;
+
+		delete[] data;
+
+		hashId = 0;
+		size = 0;
+		data = nullptr;
+
+		return *this;
+	}
+
+	DbVar::operator Byte*() const
+	{
+		return data;
+	}
+
+	UInt_64 DbVar::GetHashId() const
+	{
+		return hashId;
+	}
+
+	UInt_64 DbVar::GetSize() const
+	{
+		return size;
+	}
+
+	Byte* DbVar::GetData() const
+	{
+		return data;
+	}
+}