Datatype_boolean.cs

Go to the documentation of this file.

namespace System.Xml.Schema;
 
internal sealed class Datatype_boolean : Datatype_anySimpleType
{
    private static readonly Type s_atomicValueType = typeof(bool);
 
    private static readonly Type s_listValueType = typeof(bool[]);
 
    internal override FacetsChecker FacetsChecker => DatatypeImplementation.miscFacetsChecker;
 
    public override XmlTypeCode TypeCode => XmlTypeCode.Boolean;
 
    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.WhiteSpace;
 
    internal override XmlValueConverter CreateValueConverter(XmlSchemaType schemaType)
    {
        return XmlBooleanConverter.Create(schemaType);
    }
 
    internal override int Compare(object value1, object value2)
    {
        return ((bool)value1).CompareTo((bool)value2);
    }
 
    internal override Exception TryParseValue(string s, XmlNameTable nameTable, IXmlNamespaceResolver nsmgr, out object typedValue)
    {
        typedValue = null;
        Exception ex = DatatypeImplementation.miscFacetsChecker.CheckLexicalFacets(ref s, this);
        if (ex == null)
        {
            ex = XmlConvert.TryToBoolean(s, out var result);
            if (ex == null)
            {
                typedValue = result;
                return null;
            }
        }
        return ex;
    }
}