从。net类型获取XML数据类型?

I'm wondering if there is a library - in .NET or otherwise - that will convert .NET types (eg. Integer, String, etc.) into XML datatypes (eg. int, string). Note that I'm looking to convert types, not the content of variables. For example:

我想知道是否有一个库——在。net中或者其他地方——可以转换。net类型。将整数、字符串等)转换成XML数据类型(如。整数、字符串)。注意，我希望转换类型，而不是变量的内容。例如:

var xmlType = Convert.ToXmlType(typeof(bool));
Assert.That(xmlType.ToString(), Is.EqualTo("boolean"));

I don't mind making a lookup table since I'm not dealing with too many types, but I thought it would be nice to reuse such a thing if it's already out there.

我不介意做一个查找表，因为我没有处理太多类型的东西，但是我想如果它已经存在了，重用这样的东西会很好。

2 个解决方案

#1

You can use the following code to create the mappings, however it is not a one-to-one mapping. Reducing this to one-to-one will have to be an implementation detail on your end:

您可以使用以下代码创建映射，但是它不是一对一的映射。将其减少为一对一必须是您的实现细节:

var mapping = (from XmlTypeCode cc in Enum.GetValues(typeof(XmlTypeCode))
              let xt = XmlSchemaType.GetBuiltInSimpleType(cc)
              where xt != null
              group cc by xt.Datatype.ValueType into gg
              select new { Type = gg.Key, XmlTypeCodes = gg.ToArray() })
              .ToDictionary(m => m.Type, m => m.XmlTypeCodes);

Sample output:

样例输出:

System.Boolean => Boolean
System.Byte => UnsignedByte
System.Byte[] => HexBinary,Base64Binary
System.DateTime => DateTime,Time,Date,GYearMonth,GYear,GMonthDay,GDay,GMonth
System.Decimal => Decimal,Integer,NonPositiveInteger,NegativeInteger,NonNegative
Integer,PositiveInteger
...

A decent approach to solving the one-to-one problem would be to take the first entry in the code table which works for every type but String. This also may not work for newer BCL types, but likely should going forward. It would be a breaking change for MS to rearrange the XmlTypeCode enumeration, but that's not to say this is fool proof:

解决一对一问题的一个不错的方法是在代码表中使用第一个条目，该条目适用于除字符串之外的所有类型。这对于新的BCL类型也可能不起作用，但可能会继续。对MS来说，重新排列XmlTypeCode枚举是一个重大的改变，但这并不是说这是一个愚蠢的证明:

// same as above except the ToDictionary
.ToDictionary(
    m => m.Type,
    m => m.Type != typeof(string) ? m.XmlTypeCodes.First() : XmlTypeCode.String);

#2

I found a second aproach using the framework itselfe.

我找到了第二个使用框架的方法。

XmlTypeMapping getQualifiedNameForSystemType(Type systemType_in)
{
    SoapReflectionImporter sri = new SoapReflectionImporter();
    return sri.ImportTypeMapping(systemType_in);
}

#1