private static Func <object, object> GetConverter(IMapper mapper, PocoColumn pc, Type srcType, Type dstType)
{
Func <object, object> converter = null;
// Get converter from the mapper
if (pc != null)
{
converter = mapper.GetFromDbConverter(pc.PropertyInfo, srcType);
if (converter != null)
{
return(converter);
}
}
// Standard DateTime->Utc mapper
if (pc != null && pc.ForceToUtc && srcType == typeof(DateTime) && (dstType == typeof(DateTime) || dstType == typeof(DateTime?)))
{
return(delegate(object src) { return new DateTime(((DateTime)src).Ticks, DateTimeKind.Utc); });
}
// Forced type conversion including integral types -> enum
if (dstType.IsEnum && IsIntegralType(srcType))
{
if (srcType != typeof(int))
{
return(delegate(object src) { return Convert.ChangeType(src, typeof(int), null); });
}
}
else if (!dstType.IsAssignableFrom(srcType))
{
if (dstType.IsEnum && srcType == typeof(string))
{
return(delegate(object src) { return EnumMapper.EnumFromString(dstType, (string)src); });
}
else
{
return(delegate(object src) { return Convert.ChangeType(src, dstType, null); });
}
}
return(null);
}
private static Func <object, object> GetConverter(IMapper mapper, PocoColumn pc, Type srcType, Type dstType)
{
Func <object, object> converter = null;
// Get converter from the mapper
if (pc != null)
{
converter = mapper.GetFromDbConverter(pc.PropertyInfo, srcType);
if (converter != null)
{
return(converter);
}
}
// Standard DateTime->Utc mapper
if (pc != null && pc.ForceToUtc && srcType == typeof(DateTime) && (dstType == typeof(DateTime) || dstType == typeof(DateTime?)))
{
return(delegate(object src) { return new DateTime(((DateTime)src).Ticks, DateTimeKind.Utc); });
}
if (srcType == typeof(TimeSpan) && (dstType == typeof(DateTime) || dstType == typeof(DateTime?)))
{
return(delegate(object src) { return new DateTime(((TimeSpan)src).Ticks); });
}
if (srcType == typeof(UInt64) && (dstType == typeof(bool) || dstType == typeof(bool?)))
{
//if (null != Nullable.GetUnderlyingType(dstType))
//{
// var convert = new NullableConverter(dstType);
// return delegate (object src) { return convert.ConvertFrom(src + ""); };
//}
return(delegate(object src) { return src.ToBool_(); });
}
// Forced type conversion including integral types -> enum
if ((dstType.IsEnum || (null != Nullable.GetUnderlyingType(dstType) && Nullable.GetUnderlyingType(dstType).IsEnum)) && IsIntegralType(srcType))
{
//if (srcType != typeof(int))
//{
// return delegate (object src) { return Convert.ChangeType(src, typeof(int), null); };
//}
if (null != Nullable.GetUnderlyingType(dstType))
{
var convert = new NullableConverter(dstType);
return(delegate(object src) { return convert.ConvertFrom(src + ""); });
}
else
{
return(delegate(object src) { return Convert.ChangeType(src, typeof(int), null); });
}
}
else if (!dstType.IsAssignableFrom(srcType))
{
if (dstType.IsEnum && srcType == typeof(string))
{
return(delegate(object src) { return EnumMapper.EnumFromString(dstType, src + ""); });
}
else if (null != Nullable.GetUnderlyingType(dstType))
{
var convert = new NullableConverter(dstType);
return(delegate(object src) { return convert.ConvertFrom(src + ""); });
}
else
{
return(delegate(object src) { return Convert.ChangeType(src, dstType, null); });
}
}
return(null);
}
