// Author: Dwivedi, Ajay kumar
// Adwiv@Yahoo.com
using System;
using System.Xml;
using System.Xml.Serialization;
namespace System.Xml.Schema
{
///
/// Summary description for XmlSchemaAttributeGroupRef.
///
public class XmlSchemaAttributeGroupRef : XmlSchemaAnnotated
{
private XmlQualifiedName refName;
private static string xmlname = "attributeGroup";
public XmlSchemaAttributeGroupRef()
{
refName = XmlQualifiedName.Empty;
}
[System.Xml.Serialization.XmlAttribute("ref")]
public XmlQualifiedName RefName
{
get{ return refName; }
set{ refName = value; }
}
///
/// 1. ref must be present
/// 2. The element must be empty. ?? FIXME: Is this correct or annotation is permitted?
///
[MonoTODO]
internal int Compile(ValidationEventHandler h, XmlSchemaInfo info)
{
errorCount = 0;
if(this.refName == null || this.refName.IsEmpty)
error(h, "ref must be present");
if(this.Id != null && !XmlSchemaUtil.CheckID(Id))
error(h, "id must be a valid ID");
// if(this.Annotation != null)
// error(h, "attributegroup with a ref can't have any content");
return errorCount;
}
[MonoTODO]
internal int Validate(ValidationEventHandler h)
{
return errorCount;
}
//
// Content: (annotation?)
//
internal static XmlSchemaAttributeGroupRef Read(XmlSchemaReader reader, ValidationEventHandler h)
{
XmlSchemaAttributeGroupRef attrgrp = new XmlSchemaAttributeGroupRef();
reader.MoveToElement();
if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
{
error(h,"Should not happen :1: XmlSchemaAttributeGroupRef.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 == "ref")
{
Exception innerex;
attrgrp.refName = XmlSchemaUtil.ReadQNameAttribute(reader,out innerex);
if(innerex != null)
error(h, reader.Value + " is not a valid value for ref attribute",innerex);
}
else if(reader.NamespaceURI == "" || reader.NamespaceURI == XmlSchema.Namespace)
{
error(h,reader.Name + " is not a valid attribute for attributeGroup in this context",null);
}
else
{
//TODO: Add to Unhandled attributes
}
}
reader.MoveToElement();
if(reader.IsEmptyElement)
return attrgrp;
int level = 1;
while(reader.ReadNextElement())
{
if(reader.NodeType == XmlNodeType.EndElement)
{
if(reader.LocalName != xmlname)
error(h,"Should not happen :2: XmlSchemaAttributeGroupRef.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;
}
reader.RaiseInvalidElementError();
}
return attrgrp;
}
}
}