// Author: Dwivedi, Ajay kumar
// Adwiv@Yahoo.com
using System;
using System.Xml;
namespace System.Xml.Schema
{
///
/// Summary description for XmlSchemaEnumerationFacet.
///
public class XmlSchemaEnumerationFacet : XmlSchemaFacet
{
const string xmlname = "enumeration";
public XmlSchemaEnumerationFacet()
{
}
internal override Facet ThisFacet {
get { return Facet.enumeration;}
}
//
// Content: (annotation?)
//
internal static XmlSchemaEnumerationFacet Read(XmlSchemaReader reader, ValidationEventHandler h)
{
XmlSchemaEnumerationFacet enumeration = new XmlSchemaEnumerationFacet();
reader.MoveToElement();
if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
{
error(h,"Should not happen :1: XmlSchemaEnumerationFacet.Read, name="+reader.Name,null);
reader.Skip();
return null;
}
enumeration.LineNumber = reader.LineNumber;
enumeration.LinePosition = reader.LinePosition;
enumeration.SourceUri = reader.BaseURI;
while(reader.MoveToNextAttribute())
{
if(reader.Name == "id")
{
enumeration.Id = reader.Value;
}
else if(reader.Name == "value")
{
enumeration.Value = reader.Value;
}
else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
{
error(h,reader.Name + " is not a valid attribute for "+xmlname,null);
}
else
{
XmlSchemaUtil.ReadUnhandledAttribute(reader,enumeration);
}
}
reader.MoveToElement();
if(reader.IsEmptyElement)
return enumeration;
// Content: (annotation?)
int level = 1;
while(reader.ReadNextElement())
{
if(reader.NodeType == XmlNodeType.EndElement)
{
if(reader.LocalName != xmlname)
error(h,"Should not happen :2: XmlSchemaEnumerationFacet.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)
enumeration.Annotation = annotation;
continue;
}
reader.RaiseInvalidElementError();
}
return enumeration;
}
}
}