//
// System.Xml.Schema.XmlSchemaSimpleContent.cs
//
// Author:
// Dwivedi, Ajay kumar Adwiv@Yahoo.com
// Atsushi Enomoto ginga@kit.hi-ho.ne.jp
//
using System;
using System.Xml.Serialization;
using System.Xml;
namespace System.Xml.Schema
{
///
/// Summary description for XmlSchemaSimpleContent.
///
public class XmlSchemaSimpleContent : XmlSchemaContentModel
{
private XmlSchemaContent content;
const string xmlname = "simpleContent";
public XmlSchemaSimpleContent()
{
}
[XmlElement("restriction",typeof(XmlSchemaSimpleContentRestriction),Namespace=XmlSchema.Namespace)]
[XmlElement("extension",typeof(XmlSchemaSimpleContentExtension),Namespace=XmlSchema.Namespace)]
public override XmlSchemaContent Content
{
get{ return content; }
set{ content = value; }
}
///
/// 1. Content must be present and one of restriction or extention
///
internal override int Compile(ValidationEventHandler h, XmlSchema schema)
{
// If this is already compiled this time, simply skip.
if (this.IsComplied (schema.CompilationId))
return 0;
if(Content == null)
{
error(h, "Content must be present in a simpleContent");
}
else
{
if(Content is XmlSchemaSimpleContentRestriction)
{
XmlSchemaSimpleContentRestriction xscr = (XmlSchemaSimpleContentRestriction) Content;
errorCount += xscr.Compile(h, schema);
}
else if(Content is XmlSchemaSimpleContentExtension)
{
XmlSchemaSimpleContentExtension xsce = (XmlSchemaSimpleContentExtension) Content;
errorCount += xsce.Compile(h, schema);
}
else
error(h,"simpleContent can't have any value other than restriction or extention");
}
XmlSchemaUtil.CompileID(Id,this, schema.IDCollection,h);
this.CompilationId = schema.CompilationId;
return errorCount;
}
internal override int Validate(ValidationEventHandler h, XmlSchema schema)
{
if (IsValidated (schema.ValidationId))
return errorCount;
errorCount += this.Content.Validate (h, schema);
ValidationId = schema.ValidationId;
return errorCount;
}
//
// Content: (annotation?, (restriction | extension))
//
internal static XmlSchemaSimpleContent Read(XmlSchemaReader reader, ValidationEventHandler h)
{
XmlSchemaSimpleContent simple = new XmlSchemaSimpleContent();
reader.MoveToElement();
if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
{
error(h,"Should not happen :1: XmlSchemaComplexContent.Read, name="+reader.Name,null);
reader.SkipToEnd();
return null;
}
simple.LineNumber = reader.LineNumber;
simple.LinePosition = reader.LinePosition;
simple.SourceUri = reader.BaseURI;
while(reader.MoveToNextAttribute())
{
if(reader.Name == "id")
{
simple.Id = reader.Value;
}
else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
{
error(h,reader.Name + " is not a valid attribute for simpleContent",null);
}
else
{
XmlSchemaUtil.ReadUnhandledAttribute(reader,simple);
}
}
reader.MoveToElement();
if(reader.IsEmptyElement)
return simple;
//Content: (annotation?, (restriction | extension))
int level = 1;
while(reader.ReadNextElement())
{
if(reader.NodeType == XmlNodeType.EndElement)
{
if(reader.LocalName != xmlname)
error(h,"Should not happen :2: XmlSchemaSimpleContent.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)
simple.Annotation = annotation;
continue;
}
if(level <=2)
{
if(reader.LocalName == "restriction")
{
level = 3;
XmlSchemaSimpleContentRestriction restriction = XmlSchemaSimpleContentRestriction.Read(reader,h);
if(restriction != null)
simple.content = restriction;
continue;
}
if(reader.LocalName == "extension")
{
level = 3;
XmlSchemaSimpleContentExtension extension = XmlSchemaSimpleContentExtension.Read(reader,h);
if(extension != null)
simple.content = extension;
continue;
}
}
reader.RaiseInvalidElementError();
}
return simple;
}
}
}