//<attribute
// default = string
// fixed = string
// form = (qualified | unqualified)
// id = ID
// name = NCName
// ref = QName
// type = QName
// use = (optional | prohibited | required) : optional
// {any attributes with non-schema namespace . . .}>
// Content: (annotation?, (simpleType?))
//</attribute>
internal static XmlSchemaAttribute Read(XmlSchemaReader reader, ValidationEventHandler h)
{
XmlSchemaAttribute attribute = new XmlSchemaAttribute();
reader.MoveToElement();
if (reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
{
error(h, "Should not happen :1: XmlSchemaAttribute.Read, name=" + reader.Name, null);
reader.SkipToEnd();
return(null);
}
attribute.LineNumber = reader.LineNumber;
attribute.LinePosition = reader.LinePosition;
attribute.SourceUri = reader.BaseURI;
while (reader.MoveToNextAttribute())
{
if (reader.Name == "default")
{
attribute.defaultValue = reader.Value;
}
else if (reader.Name == "fixed")
{
attribute.fixedValue = reader.Value;
}
else if (reader.Name == "form")
{
Exception innerex;
attribute.form = XmlSchemaUtil.ReadFormAttribute(reader, out innerex);
if (innerex != null)
{
error(h, reader.Value + " is not a valid value for form attribute", innerex);
}
}
else if (reader.Name == "id")
{
attribute.Id = reader.Value;
}
else if (reader.Name == "name")
{
attribute.name = reader.Value;
}
else if (reader.Name == "ref")
{
Exception innerex;
attribute.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 == "type")
{
Exception innerex;
attribute.schemaTypeName = XmlSchemaUtil.ReadQNameAttribute(reader, out innerex);
if (innerex != null)
{
error(h, reader.Value + " is not a valid value for type attribute", innerex);
}
}
else if (reader.Name == "use")
{
Exception innerex;
attribute.use = XmlSchemaUtil.ReadUseAttribute(reader, out innerex);
if (innerex != null)
{
error(h, reader.Value + " is not a valid value for use attribute", innerex);
}
}
else if ((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
{
error(h, reader.Name + " is not a valid attribute for attribute", null);
}
else
{
XmlSchemaUtil.ReadUnhandledAttribute(reader, attribute);
}
}
reader.MoveToElement();
if (reader.IsEmptyElement)
{
return(attribute);
}
// Content: (annotation?, (simpleType?))
int level = 1;
while (reader.ReadNextElement())
{
if (reader.NodeType == XmlNodeType.EndElement)
{
if (reader.LocalName != xmlname)
{
error(h, "Should not happen :2: XmlSchemaAttribute.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)
{
attribute.Annotation = annotation;
}
continue;
}
if (level <= 2 && reader.LocalName == "simpleType")
{
level = 3;
XmlSchemaSimpleType stype = XmlSchemaSimpleType.Read(reader, h);
if (stype != null)
{
attribute.schemaType = stype;
}
continue;
}
reader.RaiseInvalidElementError();
}
return(attribute);
}