Datatype_hexBinary.cs

Go to the documentation of this file.

namespace System.Xml.Schema;
 
internal sealed class Datatype_hexBinary : Datatype_anySimpleType
{
    private static readonly Type s_atomicValueType = typeof(byte[]);
 
    private static readonly Type s_listValueType = typeof(byte[][]);
 
    internal override FacetsChecker FacetsChecker => DatatypeImplementation.binaryFacetsChecker;
 
    public override XmlTypeCode TypeCode => XmlTypeCode.HexBinary;
 
    public override Type ValueType => s_atomicValueType;
 
    internal override Type ListValueType => s_listValueType;
 
    internal override XmlSchemaWhiteSpace BuiltInWhitespaceFacet => XmlSchemaWhiteSpace.Collapse;
 
    internal override RestrictionFlags ValidRestrictionFlags => RestrictionFlags.Length | RestrictionFlags.MinLength | RestrictionFlags.MaxLength | RestrictionFlags.Pattern | RestrictionFlags.Enumeration | RestrictionFlags.WhiteSpace;
 
    internal override XmlValueConverter CreateValueConverter(XmlSchemaType schemaType)
    {
        return XmlMiscConverter.Create(schemaType);
    }
 
    internal override int Compare(object value1, object value2)
    {
        return Compare((byte[])value1, (byte[])value2);
    }
 
    internal override Exception TryParseValue(string s, XmlNameTable nameTable, IXmlNamespaceResolver nsmgr, out object typedValue)
    {
        typedValue = null;
        Exception ex = DatatypeImplementation.binaryFacetsChecker.CheckLexicalFacets(ref s, this);
        if (ex == null)
        {
            byte[] array = null;
            try
            {
                array = XmlConvert.FromBinHexString(s, allowOddCount: false);
            }
            catch (ArgumentException ex2)
            {
                ex = ex2;
                goto IL_0041;
            }
            catch (XmlException ex3)
            {
                ex = ex3;
                goto IL_0041;
            }
            ex = DatatypeImplementation.binaryFacetsChecker.CheckValueFacets(array, this);
            if (ex == null)
            {
                typedValue = array;
                return null;
            }
        }
        goto IL_0041;
        IL_0041:
        return ex;
    }
}