//
// System.Xml.Schema.XmlSchemaSimpleContentExtension.cs
//
// Author:
// Dwivedi, Ajay kumar Adwiv@Yahoo.com
// Atsushi Enomoto ginga@kit.hi-ho.ne.jp
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Xml;
using System.Xml.Serialization;
namespace System.Xml.Schema{
/// <summary>
/// Summary description for XmlSchemaSimpleContentExtension.
/// </summary>
public class XmlSchemaSimpleContentExtension : XmlSchemaContent
{
private XmlSchemaAnyAttribute any;
private XmlSchemaObjectCollection attributes;
private XmlQualifiedName baseTypeName;
const string xmlname = "extension";
public XmlSchemaSimpleContentExtension()
{
baseTypeName = XmlQualifiedName.Empty;
attributes = new XmlSchemaObjectCollection();
}
[System.Xml.Serialization.XmlAttribute("base")]
public XmlQualifiedName BaseTypeName
{
get{ return baseTypeName; }
set{ baseTypeName = value; }
}
[XmlElement("attribute",typeof(XmlSchemaAttribute))]
[XmlElement("attributeGroup",typeof(XmlSchemaAttributeGroupRef))]
public XmlSchemaObjectCollection Attributes
{
get{ return attributes; }
}
[XmlElement("anyAttribute")]
public XmlSchemaAnyAttribute AnyAttribute
{
get{ return any; }
set{ any = value; }
}
// internal properties
internal override bool IsExtension {
get { return true; }
}
internal override void SetParent (XmlSchemaObject parent)
{
base.SetParent (parent);
if (AnyAttribute != null)
AnyAttribute.SetParent (this);
foreach (XmlSchemaObject obj in Attributes)
obj.SetParent (this);
}
///<remarks>
/// 1. Base must be present and a QName
///</remarks>
internal override int Compile(ValidationEventHandler h, XmlSchema schema)
{
// If this is already compiled this time, simply skip.
if (CompilationId == schema.CompilationId)
return 0;
if (this.isRedefinedComponent) {
if (Annotation != null)
Annotation.isRedefinedComponent = true;
if (AnyAttribute != null)
AnyAttribute.isRedefinedComponent = true;
foreach (XmlSchemaObject obj in Attributes)
obj.isRedefinedComponent = true;
}
if(BaseTypeName == null || BaseTypeName.IsEmpty)
{
error(h, "base must be present, as a QName");
}
else if(!XmlSchemaUtil.CheckQName(BaseTypeName))
error(h,"BaseTypeName must be a QName");
if(this.AnyAttribute != null)
{
errorCount += AnyAttribute.Compile(h,schema);
}
foreach(XmlSchemaObject obj in Attributes)
{
if(obj is XmlSchemaAttribute)
{
XmlSchemaAttribute attr = (XmlSchemaAttribute) obj;
errorCount += attr.Compile(h,schema);
}
else if(obj is XmlSchemaAttributeGroupRef)
{
XmlSchemaAttributeGroupRef atgrp = (XmlSchemaAttributeGroupRef) obj;
errorCount += atgrp.Compile(h,schema);
}
else
error(h,obj.GetType() +" is not valid in this place::SimpleConentExtension");
}
XmlSchemaUtil.CompileID(Id,this,schema.IDCollection,h);
this.CompilationId = schema.CompilationId;
return errorCount;
}
internal override XmlQualifiedName GetBaseTypeName ()
{
return baseTypeName;
}
internal override XmlSchemaParticle GetParticle ()
{
return null;
}
internal override int Validate(ValidationEventHandler h, XmlSchema schema)
{
if (IsValidated (schema.ValidationId))
return errorCount;
XmlSchemaType st = schema.FindSchemaType (baseTypeName);
if (st != null) {
XmlSchemaComplexType ct = st as XmlSchemaComplexType;
if (ct != null && ct.ContentModel is XmlSchemaComplexContent)
error (h, "Specified type is complex type which contains complex content.");
st.Validate (h, schema);
actualBaseSchemaType = st;
} else if (baseTypeName == XmlSchemaComplexType.AnyTypeName) {
actualBaseSchemaType = XmlSchemaComplexType.AnyType;
} else if (XmlSchemaUtil.IsBuiltInDatatypeName (baseTypeName)) {
actualBaseSchemaType = XmlSchemaDatatype.FromName (baseTypeName);
if (actualBaseSchemaType == null)
error (h, "Invalid schema datatype name is specified.");
}
// otherwise, it might be missing sub components.
else if (!schema.IsNamespaceAbsent (baseTypeName.Namespace))
error (h, "Referenced base schema type " + baseTypeName + " was not found in the corresponding schema.");
ValidationId = schema.ValidationId;
return errorCount;
}
//<extension
//base = QName
//id = ID
//{any attributes with non-schema namespace . . .}>
//Content: (annotation?, ((attribute | attributeGroup)*, anyAttribute?))
//</extension>
internal static XmlSchemaSimpleContentExtension Read(XmlSchemaReader reader, ValidationEventHandler h)
{
XmlSchemaSimpleContentExtension extension = new XmlSchemaSimpleContentExtension();
reader.MoveToElement();
if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
{
error(h,"Should not happen :1: XmlSchemaAttributeGroup.Read, name="+reader.Name,null);
reader.Skip();
return null;
}
extension.LineNumber = reader.LineNumber;
extension.LinePosition = reader.LinePosition;
extension.SourceUri = reader.BaseURI;
while(reader.MoveToNextAttribute())
{
if(reader.Name == "base")
{
Exception innerex;
extension.baseTypeName= XmlSchemaUtil.ReadQNameAttribute(reader,out innerex);
if(innerex != null)
error(h, reader.Value + " is not a valid value for base attribute",innerex);
}
else if(reader.Name == "id")
{
extension.Id = reader.Value;
}
else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
{
error(h,reader.Name + " is not a valid attribute for extension in this context",null);
}
else
{
XmlSchemaUtil.ReadUnhandledAttribute(reader,extension);
}
}
reader.MoveToElement();
if(reader.IsEmptyElement)
return extension;
//Content: 1.annotation?, 2.(attribute | attributeGroup)*, 3.anyAttribute?
int level = 1;
while(reader.ReadNextElement())
{
if(reader.NodeType == XmlNodeType.EndElement)
{
if(reader.LocalName != xmlname)
error(h,"Should not happen :2: XmlSchemaSimpleContentExtension.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)
extension.Annotation = annotation;
continue;
}
if(level <= 2)
{
if(reader.LocalName == "attribute")
{
level = 2;
XmlSchemaAttribute attr = XmlSchemaAttribute.Read(reader,h);
if(attr != null)
extension.Attributes.Add(attr);
continue;
}
if(reader.LocalName == "attributeGroup")
{
level = 2;
XmlSchemaAttributeGroupRef attr = XmlSchemaAttributeGroupRef.Read(reader,h);
if(attr != null)
extension.attributes.Add(attr);
continue;
}
}
if(level <= 3 && reader.LocalName == "anyAttribute")
{
level = 4;
XmlSchemaAnyAttribute anyattr = XmlSchemaAnyAttribute.Read(reader,h);
if(anyattr != null)
extension.AnyAttribute = anyattr;
continue;
}
reader.RaiseInvalidElementError();
}
return extension;
}
}
}
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