Datatype_duration.cs

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namespace System.Xml.Schema;
 
internal class Datatype_duration : Datatype_anySimpleType
{
    private static readonly Type s_atomicValueType = typeof(TimeSpan);
 
    private static readonly Type s_listValueType = typeof(TimeSpan[]);
 
    internal override FacetsChecker FacetsChecker => DatatypeImplementation.durationFacetsChecker;
 
    public override XmlTypeCode TypeCode => XmlTypeCode.Duration;
 
    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 XmlMiscConverter.Create(schemaType);
    }
 
    internal override int Compare(object value1, object value2)
    {
        return ((TimeSpan)value1).CompareTo((TimeSpan)value2);
    }
 
    internal override Exception TryParseValue(string s, XmlNameTable nameTable, IXmlNamespaceResolver nsmgr, out object typedValue)
    {
        typedValue = null;
        if (s == null || s.Length == 0)
        {
            return new XmlSchemaException(System.SR.Sch_EmptyAttributeValue, string.Empty);
        }
        Exception ex = DatatypeImplementation.durationFacetsChecker.CheckLexicalFacets(ref s, this);
        if (ex == null)
        {
            ex = XmlConvert.TryToTimeSpan(s, out var result);
            if (ex == null)
            {
                ex = DatatypeImplementation.durationFacetsChecker.CheckValueFacets(result, this);
                if (ex == null)
                {
                    typedValue = result;
                    return null;
                }
            }
        }
        return ex;
    }
}