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// Author: Dwivedi, Ajay kumar
// Adwiv@Yahoo.com
using System;
using System.Xml;
using System.Xml.Serialization;
namespace System.Xml.Schema
{
/// <summary>
/// Summary description for XmlSchemaGroupRef.
/// </summary>
public class XmlSchemaGroupRef : XmlSchemaParticle
{
private XmlSchemaGroupBase particle;
private XmlQualifiedName refName;
private static string xmlname = "group";
public XmlSchemaGroupRef()
{
refName = XmlQualifiedName.Empty;
}
[System.Xml.Serialization.XmlAttribute("ref")]
public XmlQualifiedName RefName
{
get{ return refName; }
set{ refName = value; }
}
[XmlIgnore]
public XmlSchemaGroupBase Particle
{
get{ return particle; }
}
/// <remarks>
/// 1. RefName must be present
/// </remarks>
[MonoTODO]
internal int Compile(ValidationEventHandler h, XmlSchemaInfo info)
{
//FIXME: Should we reset the values
if(MinOccurs > MaxOccurs)
error(h,"minOccurs must be less than or equal to maxOccurs");
XmlSchemaUtil.CompileID(Id,this,info.IDCollection,h);
if(refName == null || refName.IsEmpty)
{
error(h,"ref must be present");
}
else if(!XmlSchemaUtil.CheckQName(RefName))
error(h, "RefName must be a valid XmlQualifiedName");
return errorCount;
}
[MonoTODO]
internal int Validate(ValidationEventHandler h)
{
return errorCount;
}
// <group
// id = ID
// ref = QName
// minOccurs = ? : 1
// maxOccurs = ? : 1>
// Content: (annotation?)
// </group>
internal static XmlSchemaGroupRef Read(XmlSchemaReader reader, ValidationEventHandler h)
{
XmlSchemaGroupRef groupref = new XmlSchemaGroupRef();
reader.MoveToElement();
if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
{
error(h,"Should not happen :1: XmlSchemaGroup.Read, name="+reader.Name,null);
reader.Skip();
return null;
}
groupref.LineNumber = reader.LineNumber;
groupref.LinePosition = reader.LinePosition;
groupref.SourceUri = reader.BaseURI;
while(reader.MoveToNextAttribute())
{
if(reader.Name == "id")
{
groupref.Id = reader.Value;
}
else if(reader.Name == "ref")
{
Exception innerex;
groupref.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.Name == "maxOccurs")
{
try
{
groupref.MaxOccursString = reader.Value;
}
catch(Exception e)
{
error(h,reader.Value + " is an invalid value for maxOccurs",e);
}
}
else if(reader.Name == "minOccurs")
{
try
{
groupref.MinOccursString = reader.Value;
}
catch(Exception e)
{
error(h,reader.Value + " is an invalid value for minOccurs", e);
}
}
else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
{
error(h,reader.Name + " is not a valid attribute for group",null);
}
else
{
XmlSchemaUtil.ReadUnhandledAttribute(reader,groupref);
}
}
reader.MoveToElement();
if(reader.IsEmptyElement)
return groupref;
// Content: (annotation?)
int level = 1;
while(reader.ReadNextElement())
{
if(reader.NodeType == XmlNodeType.EndElement)
{
if(reader.LocalName != xmlname)
error(h,"Should not happen :2: XmlSchemaGroupRef.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)
groupref.Annotation = annotation;
continue;
}
reader.RaiseInvalidElementError();
}
return groupref;
}
}
}
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