--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Tools/CodeGenerator/ValueMapping.Declare.cs	Thu Mar 27 21:46:09 2014 +0400
@@ -0,0 +1,255 @@
+using System;
+using System.Data.SqlTypes;
+
+using KeyValue = System.Collections.Generic.KeyValuePair<System.Type, System.Type>;
+using Table    = System.Collections.Generic.Dictionary<System.Collections.Generic.KeyValuePair<System.Type, System.Type>, BLToolkit.Mapping.IValueMapper>;
+
+namespace BLToolkit.Mapping
+{
+	[CLSCompliant(false)]
+	public interface IMapDataSource
+	{
+		int      Count { get; }
+
+		Type     GetFieldType (int index);
+		string   GetName      (int index);
+		int      GetOrdinal   (string name);
+		object   GetValue     (object o, int index);
+		object   GetValue     (object o, string name);
+
+		bool     IsNull       (object o, int index);
+
+		bool     SupportsTypedValues(int index);
+
+		// Simple type getters.
+		//
+		[CLSCompliant(false)]
+		SByte    GetSByte     (object o, int index);
+		Int16    GetInt16     (object o, int index);
+		Int32    GetInt32     (object o, int index);
+		Int64    GetInt64     (object o, int index);
+
+		Byte     GetByte      (object o, int index);
+		[CLSCompliant(false)]
+		UInt16   GetUInt16    (object o, int index);
+		[CLSCompliant(false)]
+		UInt32   GetUInt32    (object o, int index);
+		[CLSCompliant(false)]
+		UInt64   GetUInt64    (object o, int index);
+
+		Boolean  GetBoolean   (object o, int index);
+		Char     GetChar      (object o, int index);
+		Single   GetSingle    (object o, int index);
+		Double   GetDouble    (object o, int index);
+		Decimal  GetDecimal   (object o, int index);
+		DateTime GetDateTime  (object o, int index);
+		Guid     GetGuid      (object o, int index);
+
+#if FW2
+		// Simple type getters.
+		//
+		[CLSCompliant(false)]
+		SByte?    GetNullableSByte   (object o, int index);
+		Int16?    GetNullableInt16   (object o, int index);
+		Int32?    GetNullableInt32   (object o, int index);
+		Int64?    GetNullableInt64   (object o, int index);
+
+		Byte?     GetNullableByte    (object o, int index);
+		[CLSCompliant(false)]
+		UInt16?   GetNullableUInt16  (object o, int index);
+		[CLSCompliant(false)]
+		UInt32?   GetNullableUInt32  (object o, int index);
+		[CLSCompliant(false)]
+		UInt64?   GetNullableUInt64  (object o, int index);
+
+		Boolean?  GetNullableBoolean (object o, int index);
+		Char?     GetNullableChar    (object o, int index);
+		Single?   GetNullableSingle  (object o, int index);
+		Double?   GetNullableDouble  (object o, int index);
+		Decimal?  GetNullableDecimal (object o, int index);
+		DateTime? GetNullableDateTime(object o, int index);
+		Guid?     GetNullableGuid    (object o, int index);
+#endif
+
+		// SQL type getters.
+		//
+		SqlByte     GetSqlByte     (object o, int index);
+		SqlInt16    GetSqlInt16    (object o, int index);
+		SqlInt32    GetSqlInt32    (object o, int index);
+		SqlInt64    GetSqlInt64    (object o, int index);
+		SqlSingle   GetSqlSingle   (object o, int index);
+		SqlBoolean  GetSqlBoolean  (object o, int index);
+		SqlDouble   GetSqlDouble   (object o, int index);
+		SqlDateTime GetSqlDateTime (object o, int index);
+		SqlDecimal  GetSqlDecimal  (object o, int index);
+		SqlMoney    GetSqlMoney    (object o, int index);
+		SqlGuid     GetSqlGuid     (object o, int index);
+		SqlString   GetSqlString   (object o, int index);
+	}
+
+	[CLSCompliant(false)]
+	public interface IMapDataDestination
+	{
+		Type GetFieldType (int index);
+		int  GetOrdinal   (string name);
+		void SetValue     (object o, int index,   object value);
+		void SetValue     (object o, string name, object value);
+
+		void SetNull      (object o, int index);
+
+		bool SupportsTypedValues(int index);
+
+		// Simple type setters.
+		//
+		[CLSCompliant(false)]
+		void SetSByte     (object o, int index, SByte    value);
+		void SetInt16     (object o, int index, Int16    value);
+		void SetInt32     (object o, int index, Int32    value);
+		void SetInt64     (object o, int index, Int64    value);
+
+		void SetByte      (object o, int index, Byte     value);
+		[CLSCompliant(false)]
+		void SetUInt16    (object o, int index, UInt16   value);
+		[CLSCompliant(false)]
+		void SetUInt32    (object o, int index, UInt32   value);
+		[CLSCompliant(false)]
+		void SetUInt64    (object o, int index, UInt64   value);
+
+		void SetBoolean   (object o, int index, Boolean  value);
+		void SetChar      (object o, int index, Char     value);
+		void SetSingle    (object o, int index, Single   value);
+		void SetDouble    (object o, int index, Double   value);
+		void SetDecimal   (object o, int index, Decimal  value);
+		void SetGuid      (object o, int index, Guid     value);
+		void SetDateTime  (object o, int index, DateTime value);
+
+#if FW2
+		// Simple type setters.
+		//
+		[CLSCompliant(false)]
+		void SetNullableSByte     (object o, int index, SByte?    value);
+		void SetNullableInt16     (object o, int index, Int16?    value);
+		void SetNullableInt32     (object o, int index, Int32?    value);
+		void SetNullableInt64     (object o, int index, Int64?    value);
+
+		void SetNullableByte      (object o, int index, Byte?     value);
+		[CLSCompliant(false)]
+		void SetNullableUInt16    (object o, int index, UInt16?   value);
+		[CLSCompliant(false)]
+		void SetNullableUInt32    (object o, int index, UInt32?   value);
+		[CLSCompliant(false)]
+		void SetNullableUInt64    (object o, int index, UInt64?   value);
+
+		void SetNullableBoolean   (object o, int index, Boolean?  value);
+		void SetNullableChar      (object o, int index, Char?     value);
+		void SetNullableSingle    (object o, int index, Single?   value);
+		void SetNullableDouble    (object o, int index, Double?   value);
+		void SetNullableDecimal   (object o, int index, Decimal?  value);
+		void SetNullableGuid      (object o, int index, Guid?     value);
+		void SetNullableDateTime  (object o, int index, DateTime? value);
+#endif
+
+		// SQL type setters.
+		//
+		void SetSqlByte    (object o, int index, SqlByte     value);
+		void SetSqlInt16   (object o, int index, SqlInt16    value);
+		void SetSqlInt32   (object o, int index, SqlInt32    value);
+		void SetSqlInt64   (object o, int index, SqlInt64    value);
+		void SetSqlSingle  (object o, int index, SqlSingle   value);
+		void SetSqlBoolean (object o, int index, SqlBoolean  value);
+		void SetSqlDouble  (object o, int index, SqlDouble   value);
+		void SetSqlDateTime(object o, int index, SqlDateTime value);
+		void SetSqlDecimal (object o, int index, SqlDecimal  value);
+		void SetSqlMoney   (object o, int index, SqlMoney    value);
+		void SetSqlGuid    (object o, int index, SqlGuid     value);
+		void SetSqlString  (object o, int index, SqlString   value);
+	}
+
+	[CLSCompliant(false)]
+	public interface IValueMapper
+	{
+		void Map(
+			IMapDataSource source, object sourceObject, int sourceIndex,
+			IMapDataDestination dest, object destObject, int destIndex);
+	}
+
+	public static partial class ValueMapping
+	{
+		#region Init
+
+		private static Table _mappers = new Table();
+
+		private static void AddSameType(Type type, IValueMapper mapper)
+		{
+			_mappers.Add(new KeyValue(type, type), mapper);
+		}
+
+		#endregion
+
+		#region Default Mapper
+
+		class DefaultValueMapper : IValueMapper
+		{
+			public void Map(
+				IMapDataSource source, object sourceObject, int sourceIndex,
+				IMapDataDestination dest, object destObject, int destIndex)
+			{
+				dest.SetValue(destObject, destIndex, source.GetValue(sourceObject, sourceIndex));
+
+				//object o = source.GetValue(sourceObject, sourceIndex);
+
+				//if (o == null) dest.SetNull (destObject, destIndex);
+				//else           dest.SetValue(destObject, destIndex, o);
+			}
+		}
+
+		private static IValueMapper _defaultMapper = new DefaultValueMapper();
+		[CLSCompliant(false)]
+		public static IValueMapper DefaultMapper
+		{
+			get { return _defaultMapper; }
+			set { _defaultMapper = value; }
+		}
+
+		#endregion
+
+		#region GetMapper
+
+		private static object _sync = new object();
+
+		[CLSCompliant(false)]
+		public static IValueMapper GetMapper(Type t1, Type t2)
+		{
+			lock (_sync)
+			{
+				if (t1 == null) t1 = typeof(object);
+				if (t2 == null) t2 = typeof(object);
+
+				if (t1.IsEnum) t1 = Enum.GetUnderlyingType(t1);
+				if (t2.IsEnum) t2 = Enum.GetUnderlyingType(t2);
+
+				KeyValue key = new KeyValue(t1, t2);
+
+				IValueMapper t;
+
+#if FW2
+				if (_mappers.TryGetValue(key, out t))
+					return t;
+
+#else
+				t = (IValueMapper)_mappers[key];
+
+				if (t != null)
+					return t;
+
+				t = _defaultMapper;
+#endif
+				_mappers.Add(key, t);
+
+				return t;
+			}
+		}
+
+		#endregion
+	}
+}