Datatype_dateTimeBase.cs

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namespace System.Xml.Schema;
 
internal class Datatype_dateTimeBase : Datatype_anySimpleType
{
    private static readonly Type s_atomicValueType = typeof(DateTime);
 
    private static readonly Type s_listValueType = typeof(DateTime[]);
 
    private readonly XsdDateTimeFlags _dateTimeFlags;
 
    internal override FacetsChecker FacetsChecker => DatatypeImplementation.dateTimeFacetsChecker;
 
    public override XmlTypeCode TypeCode => XmlTypeCode.DateTime;
 
    public override Type ValueType => s_atomicValueType;
 
    internal override Type ListValueType => s_listValueType;
 
    internal override XmlSchemaWhiteSpace BuiltInWhitespaceFacet => XmlSchemaWhiteSpace.Collapse;
 
    internal override RestrictionFlags ValidRestrictionFlags => RestrictionFlags.Pattern | RestrictionFlags.Enumeration | RestrictionFlags.WhiteSpace | RestrictionFlags.MaxInclusive | RestrictionFlags.MaxExclusive | RestrictionFlags.MinInclusive | RestrictionFlags.MinExclusive;
 
    internal override XmlValueConverter CreateValueConverter(XmlSchemaType schemaType)
    {
        return XmlDateTimeConverter.Create(schemaType);
    }
 
    internal Datatype_dateTimeBase(XsdDateTimeFlags dateTimeFlags)
    {
        _dateTimeFlags = dateTimeFlags;
    }
 
    internal override int Compare(object value1, object value2)
    {
        DateTime dateTime = (DateTime)value1;
        DateTime value3 = (DateTime)value2;
        if (dateTime.Kind == DateTimeKind.Unspecified || value3.Kind == DateTimeKind.Unspecified)
        {
            return dateTime.CompareTo(value3);
        }
        return dateTime.ToUniversalTime().CompareTo(value3.ToUniversalTime());
    }
 
    internal override Exception TryParseValue(string s, XmlNameTable nameTable, IXmlNamespaceResolver nsmgr, out object typedValue)
    {
        typedValue = null;
        Exception ex = DatatypeImplementation.dateTimeFacetsChecker.CheckLexicalFacets(ref s, this);
        if (ex == null)
        {
            if (!XsdDateTime.TryParse(s, _dateTimeFlags, out var result))
            {
                ex = new FormatException(System.SR.Format(System.SR.XmlConvert_BadFormat, s, _dateTimeFlags.ToString()));
            }
            else
            {
                DateTime minValue = DateTime.MinValue;
                try
                {
                    minValue = result;
                }
                catch (ArgumentException ex2)
                {
                    ex = ex2;
                    goto IL_0078;
                }
                ex = DatatypeImplementation.dateTimeFacetsChecker.CheckValueFacets(minValue, this);
                if (ex == null)
                {
                    typedValue = minValue;
                    return null;
                }
            }
        }
        goto IL_0078;
        IL_0078:
        return ex;
    }
}