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XmlSchemaAttribute.cs
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/
XmlSchemaAttribute.cs
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Collections;
using System.ComponentModel;
using System.Diagnostics.CodeAnalysis;
using System.Xml.Serialization;
namespace System.Xml.Schema
{
public class XmlSchemaAttribute : XmlSchemaAnnotated
{
private string? _defaultValue;
private string? _fixedValue;
private string? _name;
private XmlSchemaForm _form = XmlSchemaForm.None;
private XmlSchemaUse _use = XmlSchemaUse.None;
private XmlQualifiedName _refName = XmlQualifiedName.Empty;
private XmlQualifiedName _typeName = XmlQualifiedName.Empty;
private XmlQualifiedName _qualifiedName = XmlQualifiedName.Empty;
private XmlSchemaSimpleType? _type;
private XmlSchemaSimpleType? _attributeType;
private SchemaAttDef? _attDef;
[XmlAttribute("default")]
[DefaultValue(null)]
public string? DefaultValue
{
get { return _defaultValue; }
set { _defaultValue = value; }
}
[XmlAttribute("fixed")]
[DefaultValue(null)]
public string? FixedValue
{
get { return _fixedValue; }
set { _fixedValue = value; }
}
[XmlAttribute("form"), DefaultValue(XmlSchemaForm.None)]
public XmlSchemaForm Form
{
get { return _form; }
set { _form = value; }
}
[XmlAttribute("name")]
public string? Name
{
get { return _name; }
set { _name = value; }
}
[XmlAttribute("ref")]
public XmlQualifiedName RefName
{
get { return _refName; }
set { _refName = value ?? XmlQualifiedName.Empty; }
}
[XmlAttribute("type")]
public XmlQualifiedName SchemaTypeName
{
get { return _typeName; }
set { _typeName = value ?? XmlQualifiedName.Empty; }
}
[XmlElement("simpleType")]
public XmlSchemaSimpleType? SchemaType
{
get { return _type; }
set { _type = value; }
}
[XmlAttribute("use"), DefaultValue(XmlSchemaUse.None)]
public XmlSchemaUse Use
{
get { return _use; }
set { _use = value; }
}
[XmlIgnore]
public XmlQualifiedName QualifiedName
{
get { return _qualifiedName; }
}
[XmlIgnore]
[Obsolete("XmlSchemaAttribute.AttributeType has been deprecated. Use the AttributeSchemaType property that returns a strongly typed attribute type instead.")]
public object? AttributeType
{
get
{
if (_attributeType == null)
return null;
if (_attributeType.QualifiedName.Namespace == XmlReservedNs.NsXs)
{
return _attributeType.Datatype;
}
return _attributeType;
}
}
[XmlIgnore]
public XmlSchemaSimpleType? AttributeSchemaType
{
get { return _attributeType; }
}
[return: NotNullIfNotNull(nameof(schemaSet))]
internal XmlReader? Validate(XmlReader reader, XmlResolver? resolver, XmlSchemaSet schemaSet, ValidationEventHandler valEventHandler)
{
if (schemaSet != null)
{
XmlReaderSettings readerSettings = new XmlReaderSettings();
readerSettings.ValidationType = ValidationType.Schema;
readerSettings.Schemas = schemaSet;
readerSettings.ValidationEventHandler += valEventHandler;
return new XsdValidatingReader(reader, resolver, readerSettings, this);
}
return null;
}
[XmlIgnore]
internal XmlSchemaDatatype? Datatype
{
get
{
if (_attributeType != null)
{
return _attributeType.Datatype;
}
return null;
}
}
internal void SetQualifiedName(XmlQualifiedName value)
{
_qualifiedName = value;
}
internal void SetAttributeType(XmlSchemaSimpleType? value)
{
_attributeType = value;
}
internal SchemaAttDef? AttDef
{
get { return _attDef; }
set { _attDef = value; }
}
internal bool HasDefault
{
get { return _defaultValue != null; }
}
[XmlIgnore]
internal override string? NameAttribute
{
get { return Name; }
set { Name = value; }
}
internal override XmlSchemaObject Clone()
{
XmlSchemaAttribute newAtt = (XmlSchemaAttribute)MemberwiseClone();
//Deep clone the QNames as these will be updated on chameleon includes
newAtt._refName = _refName.Clone();
newAtt._typeName = _typeName.Clone();
newAtt._qualifiedName = _qualifiedName.Clone();
return newAtt;
}
}
}