public SqlSingleAccessor(TypeAccessor accessor, ParameterExpression expression, MemberExpression expr)
: base(accessor, expression, expr)
{
}
public NullableDateTimeOffsetAccessor(TypeAccessor accessor, ParameterExpression expression, MemberExpression expr)
: base(accessor, expression, expr)
{
}
public NullableTimeSpanAccessor(TypeAccessor accessor, ParameterExpression expression, MemberExpression expr)
: base(accessor, expression, expr)
{
}
public GuidAccessor(TypeAccessor accessor, ParameterExpression expression, MemberExpression expr)
: base(accessor, expression, expr)
{
}
public NullableDecimalAccessor(TypeAccessor accessor, ParameterExpression expression, MemberExpression expr)
: base(accessor, expression, expr)
{
}
static public MemberAccessor GetMemberAccessor(TypeAccessor typeAccessor, string memberName)
{
var par = Expression.Parameter(typeof(object), "obj");
var expr = Expression.PropertyOrField(Expression.Convert(par, typeAccessor.Type), memberName);
var type = expr.Type;
var underlyingType = type;
var isNullable = false;
if (underlyingType.IsGenericType && underlyingType.GetGenericTypeDefinition() == typeof(Nullable <>))
{
underlyingType = underlyingType.GetGenericArguments()[0];
isNullable = true;
}
if (underlyingType.IsEnum)
{
underlyingType = Enum.GetUnderlyingType(underlyingType);
}
if (isNullable)
{
switch (Type.GetTypeCode(underlyingType))
{
case TypeCode.Boolean: return(new NullableBooleanAccessor(typeAccessor, par, expr));
case TypeCode.Char: return(new NullableCharAccessor(typeAccessor, par, expr));
case TypeCode.SByte: return(new NullableSByteAccessor(typeAccessor, par, expr));
case TypeCode.Byte: return(new NullableByteAccessor(typeAccessor, par, expr));
case TypeCode.Int16: return(new NullableInt16Accessor(typeAccessor, par, expr));
case TypeCode.UInt16: return(new NullableUInt16Accessor(typeAccessor, par, expr));
case TypeCode.Int32: return(new NullableInt32Accessor(typeAccessor, par, expr));
case TypeCode.UInt32: return(new NullableUInt32Accessor(typeAccessor, par, expr));
case TypeCode.Int64: return(new NullableInt64Accessor(typeAccessor, par, expr));
case TypeCode.UInt64: return(new NullableUInt64Accessor(typeAccessor, par, expr));
case TypeCode.Single: return(new NullableSingleAccessor(typeAccessor, par, expr));
case TypeCode.Double: return(new NullableDoubleAccessor(typeAccessor, par, expr));
case TypeCode.Decimal: return(new NullableDecimalAccessor(typeAccessor, par, expr));
case TypeCode.DateTime: return(new NullableDateTimeAccessor(typeAccessor, par, expr));
case TypeCode.Object:
if (type == typeof(Guid))
{
return(new NullableGuidAccessor(typeAccessor, par, expr));
}
if (type == typeof(DateTimeOffset))
{
return(new NullableDateTimeOffsetAccessor(typeAccessor, par, expr));
}
if (type == typeof(TimeSpan))
{
return(new NullableTimeSpanAccessor(typeAccessor, par, expr));
}
break;
default: break;
}
}
else
{
switch (Type.GetTypeCode(underlyingType))
{
case TypeCode.Boolean: return(new BooleanAccessor(typeAccessor, par, expr));
case TypeCode.Char: return(new CharAccessor(typeAccessor, par, expr));
case TypeCode.SByte: return(new SByteAccessor(typeAccessor, par, expr));
case TypeCode.Byte: return(new ByteAccessor(typeAccessor, par, expr));
case TypeCode.Int16: return(new Int16Accessor(typeAccessor, par, expr));
case TypeCode.UInt16: return(new UInt16Accessor(typeAccessor, par, expr));
case TypeCode.Int32: return(new Int32Accessor(typeAccessor, par, expr));
case TypeCode.UInt32: return(new UInt32Accessor(typeAccessor, par, expr));
case TypeCode.Int64: return(new Int64Accessor(typeAccessor, par, expr));
case TypeCode.UInt64: return(new UInt64Accessor(typeAccessor, par, expr));
case TypeCode.Single: return(new SingleAccessor(typeAccessor, par, expr));
case TypeCode.Double: return(new DoubleAccessor(typeAccessor, par, expr));
case TypeCode.Decimal: return(new DecimalAccessor(typeAccessor, par, expr));
case TypeCode.DateTime: return(new DateTimeAccessor(typeAccessor, par, expr));
case TypeCode.Object:
if (type == typeof(Guid))
{
return(new GuidAccessor(typeAccessor, par, expr));
}
if (type == typeof(DateTimeOffset))
{
return(new DateTimeOffsetAccessor(typeAccessor, par, expr));
}
if (type == typeof(TimeSpan))
{
return(new TimeSpanAccessor(typeAccessor, par, expr));
}
break;
default: break;
}
}
#if !SILVERLIGHT
if (type == typeof(SqlByte))
{
return(new SqlByteAccessor(typeAccessor, par, expr));
}
if (type == typeof(SqlInt16))
{
return(new SqlInt16Accessor(typeAccessor, par, expr));
}
if (type == typeof(SqlInt32))
{
return(new SqlInt32Accessor(typeAccessor, par, expr));
}
if (type == typeof(SqlInt64))
{
return(new SqlInt64Accessor(typeAccessor, par, expr));
}
if (type == typeof(SqlSingle))
{
return(new SqlSingleAccessor(typeAccessor, par, expr));
}
if (type == typeof(SqlBoolean))
{
return(new SqlBooleanAccessor(typeAccessor, par, expr));
}
if (type == typeof(SqlDouble))
{
return(new SqlDoubleAccessor(typeAccessor, par, expr));
}
if (type == typeof(SqlDateTime))
{
return(new SqlDateTimeAccessor(typeAccessor, par, expr));
}
if (type == typeof(SqlDecimal))
{
return(new SqlDecimalAccessor(typeAccessor, par, expr));
}
if (type == typeof(SqlMoney))
{
return(new SqlMoneyAccessor(typeAccessor, par, expr));
}
if (type == typeof(SqlString))
{
return(new SqlStringAccessor(typeAccessor, par, expr));
}
if (type == typeof(SqlGuid))
{
return(new SqlGuidAccessor(typeAccessor, par, expr));
}
#endif
return((MemberAccessor)Activator.CreateInstance(
typeof(BaseAccessor <>).MakeGenericType(type),
new object[] { typeAccessor, par, expr }));
}
public NullableAccessor(TypeAccessor typeAccessor, ParameterExpression par, MemberExpression member)
: base(typeAccessor, par, member)
{
}
protected ExprMemberAccessor(TypeAccessor typeAccessor, MemberInfo memberInfo)
: base(typeAccessor, memberInfo)
{
}
public static T CreateInstanceEx <T>(InitContext context)
{
return(TypeAccessor <T> .CreateInstance(context));
}
public static T CreateInstanceEx <T>()
{
return(TypeAccessor <T> .CreateInstanceEx());
}
