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// Author: Dwivedi, Ajay kumar
// Adwiv@Yahoo.com
using System;
using System.Xml.Serialization;
using System.Xml;
namespace System.Xml.Schema
{
/// <summary>
/// Summary description for XmlSchemaAttributeGroup.
/// </summary>
public class XmlSchemaAttributeGroup : XmlSchemaAnnotated
{
private XmlSchemaAnyAttribute any;
private XmlSchemaObjectCollection attributes;
private string name;
private XmlSchemaAttributeGroup redefined;
private XmlQualifiedName qualifiedName;
private static string xmlname = "attributeGroup";
public XmlSchemaAttributeGroup()
{
attributes = new XmlSchemaObjectCollection();
}
[System.Xml.Serialization.XmlAttribute("name")]
public string Name
{
get{ return name;}
set{ name = value;}
}
[XmlElement("attribute",typeof(XmlSchemaAttribute),Namespace="http://www.w3.org/2001/XMLSchema")]
[XmlElement("attributeGroup",typeof(XmlSchemaAttributeGroupRef),Namespace="http://www.w3.org/2001/XMLSchema")]
public XmlSchemaObjectCollection Attributes
{
get{ return attributes;}
}
[XmlElement("anyAttribute",Namespace="http://www.w3.org/2001/XMLSchema")]
public XmlSchemaAnyAttribute AnyAttribute
{
get{ return any;}
set{ any = value;}
}
//Undocumented property
[XmlIgnore]
public XmlSchemaAttributeGroup RedefinedAttributeGroup
{
get{ return redefined;}
}
[XmlIgnore]
internal XmlQualifiedName QualifiedName
{
get{ return qualifiedName;}
}
/// <remarks>
/// An Attribute group can only be defined as a child of XmlSchema or in XmlSchemaRedefine.
/// The other attributeGroup has type XmlSchemaAttributeGroupRef.
/// 1. Name must be present
/// </remarks>
[MonoTODO]
internal int Compile(ValidationEventHandler h, XmlSchemaInfo info)
{
errorCount = 0;
XmlSchemaUtil.CompileID(Id,this,info.IDCollection,h);
if(this.Name == null) //1
error(h,"Name is required in top level simpletype");
else if(!XmlSchemaUtil.CheckNCName(this.Name)) // b.1.2
error(h,"name attribute of a simpleType must be NCName");
else
this.qualifiedName = new XmlQualifiedName(this.Name,info.TargetNamespace);
if(this.AnyAttribute != null)
{
errorCount += this.AnyAttribute.Compile(h,info);
}
foreach(XmlSchemaObject obj in Attributes)
{
if(obj is XmlSchemaAttribute)
{
XmlSchemaAttribute attr = (XmlSchemaAttribute) obj;
errorCount += attr.Compile(h, info);
}
else if(obj is XmlSchemaAttributeGroupRef)
{
XmlSchemaAttributeGroupRef gref = (XmlSchemaAttributeGroupRef) obj;
errorCount += gref.Compile(h, info);
}
else
{
error(h,"invalid type of object in Attributes property");
}
}
return errorCount;
}
[MonoTODO]
internal int Validate(ValidationEventHandler h)
{
return errorCount;
}
//<attributeGroup
// id = ID
// name = NCName
// ref = QName // Not present in this class.
// {any attributes with non-schema namespace . . .}>
// Content: (annotation?, ((attribute | attributeGroup)*, anyAttribute?))
//</attributeGroup>
internal static XmlSchemaAttributeGroup Read(XmlSchemaReader reader, ValidationEventHandler h)
{
XmlSchemaAttributeGroup attrgrp = new XmlSchemaAttributeGroup();
reader.MoveToElement();
if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
{
error(h,"Should not happen :1: XmlSchemaAttributeGroup.Read, name="+reader.Name,null);
reader.SkipToEnd();
return null;
}
attrgrp.LineNumber = reader.LineNumber;
attrgrp.LinePosition = reader.LinePosition;
attrgrp.SourceUri = reader.BaseURI;
while(reader.MoveToNextAttribute())
{
if(reader.Name == "id")
{
attrgrp.Id = reader.Value;
}
else if(reader.Name == "name")
{
attrgrp.name = reader.Value;
}
else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
{
error(h,reader.Name + " is not a valid attribute for attributeGroup in this context",null);
}
else
{
XmlSchemaUtil.ReadUnhandledAttribute(reader,attrgrp);
}
}
reader.MoveToElement();
if(reader.IsEmptyElement)
return attrgrp;
//Content: 1.annotation?, 2.(attribute | attributeGroup)*, 3.anyAttribute?
int level = 1;
while(reader.ReadNextElement())
{
if(reader.NodeType == XmlNodeType.EndElement)
{
if(reader.LocalName != xmlname)
error(h,"Should not happen :2: XmlSchemaAttributeGroup.Read, name="+reader.Name,null);
break;
}
if(level <= 1 && reader.LocalName == "annotation")
{
level = 2; //Only one annotation
XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);
if(annotation != null)
attrgrp.Annotation = annotation;
continue;
}
if(level <= 2)
{
if(reader.LocalName == "attribute")
{
level = 2;
XmlSchemaAttribute attr = XmlSchemaAttribute.Read(reader,h);
if(attr != null)
attrgrp.Attributes.Add(attr);
continue;
}
if(reader.LocalName == "attributeGroup")
{
level = 2;
XmlSchemaAttributeGroupRef attr = XmlSchemaAttributeGroupRef.Read(reader,h);
if(attr != null)
attrgrp.attributes.Add(attr);
continue;
}
}
if(level <= 3 && reader.LocalName == "anyAttribute")
{
level = 4;
XmlSchemaAnyAttribute anyattr = XmlSchemaAnyAttribute.Read(reader,h);
if(anyattr != null)
attrgrp.AnyAttribute = anyattr;
continue;
}
reader.RaiseInvalidElementError();
}
return attrgrp;
}
}
}
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