Implement FDB to SQLite (#872)

dCommon/FdbToSqlite.h

@@ -0,0 +1,49 @@
+#ifndef __FDBTOSQLITE__H__
+#define __FDBTOSQLITE__H__
+
+#pragma once
+
+#include <cstdint>
+#include <iosfwd>
+#include <map>
+
+enum class eSqliteDataType : int32_t;
+
+namespace FdbToSqlite {
+	class Convert {
+	public:
+		Convert(std::string inputFile);
+
+		bool ConvertDatabase();
+
+		int32_t ReadInt32();
+
+		int64_t ReadInt64();
+
+		std::string ReadString();
+
+		int32_t SeekPointer();
+
+		std::string ReadColumnHeader();
+
+		void ReadTables(int32_t& numberOfTables);
+
+		std::string ReadColumns(int32_t& numberOfColumns);
+
+		void ReadRowHeader(std::string& tableName);
+
+		void ReadRows(int32_t& numberOfAllocatedRows, std::string& tableName);
+
+		void ReadRow(int32_t& rowid, int32_t& position, std::string& tableName);
+
+		void ReadRowInfo(std::string& tableName);
+
+		void ReadRowValues(int32_t& numberOfColumns, std::string& tableName);
+	private:
+		static std::map<eSqliteDataType, std::string> sqliteType;
+		std::string basePath{};
+		std::ifstream fdb{};
+	}; // class FdbToSqlite
+}; //! namespace FdbToSqlite
+
+#endif  //!__FDBTOSQLITE__H__