internal static Type GetType(string value)
{
Type type = Type.GetType(value);
if ((null == type) && ("System.Numerics.BigInteger" == value))
{
type = typeof(BigInteger);
}
ObjectStorage.VerifyIDynamicMetaObjectProvider(type);
return(type);
}
/// <summary>wrapper around Type.GetType</summary>
/// <param name="value">assembly qualified type name or one of the special known types</param>
/// <returns>Type or null if not found</returns>
/// <exception cref="InvalidOperationException">when type implements IDynamicMetaObjectProvider and not IXmlSerializable</exception>
/// <remarks>
/// Types like "System.Guid" will load regardless of AssemblyQualifiedName because they are special
/// Types like "System.Data.SqlTypes.SqlString" will load because they are in the same assembly as this code
/// Types like "System.Numerics.BigInteger" won't load because they are not special and not same assembly as this code
/// </remarks>
internal static Type GetType(string value) {
Type dataType = Type.GetType(value); // throwOnError=false, ignoreCase=fase
if (null == dataType) {
if ("System.Numerics.BigInteger" == value) {
dataType = typeof(System.Numerics.BigInteger);
}
}
// Dev10 671061: prevent reading type from schema which implements IDynamicMetaObjectProvider and not IXmlSerializable
// the check here prevents the type from being loaded in schema or as instance data (when DataType is object)
ObjectStorage.VerifyIDynamicMetaObjectProvider(dataType);
return dataType;
}
/// <summary>wrapper around Type.AssemblyQualifiedName</summary>
/// <param name="type"></param>
/// <returns>qualified name when writing in xml</returns>
/// <exception cref="InvalidOperationException">when type implements IDynamicMetaObjectProvider and not IXmlSerializable</exception>
internal static string GetQualifiedName(Type type)
{
Debug.Assert(null != type, "null type");
ObjectStorage.VerifyIDynamicMetaObjectProvider(type);
return(type.AssemblyQualifiedName !);
}
internal static string GetQualifiedName(Type type)
{
ObjectStorage.VerifyIDynamicMetaObjectProvider(type);
return(type.AssemblyQualifiedName);
}