//
// System.Xml.Schema.XmlSchemaAttributeGroup.cs
//
// Authors:
// Dwivedi, Ajay kumar Adwiv@Yahoo.com
// Enomoto, Atsushi 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.Collections;
using System.Xml.Serialization;
using System.Xml;
namespace System.Xml.Schema{
/// <summary>
/// Summary description for XmlSchemaAttributeGroup.
/// </summary>
public class XmlSchemaAttributeGroup : XmlSchemaAnnotated
{
private XmlSchemaAnyAttribute anyAttribute;
private XmlSchemaObjectCollection attributes;
private string name;
private XmlSchemaAttributeGroup redefined;
private XmlQualifiedName qualifiedName;
const string xmlname = "attributeGroup";
private XmlSchemaObjectTable attributeUses;
private XmlSchemaAnyAttribute anyAttributeUse;
internal bool AttributeGroupRecursionCheck;
public XmlSchemaAttributeGroup()
{
attributes = new XmlSchemaObjectCollection();
qualifiedName = XmlQualifiedName.Empty;
}
[System.Xml.Serialization.XmlAttribute("name")]
public string Name
{
get{ return name;}
set{ name = value;}
}
[XmlElement("attribute",typeof(XmlSchemaAttribute))]
[XmlElement("attributeGroup",typeof(XmlSchemaAttributeGroupRef))]
public XmlSchemaObjectCollection Attributes
{
get{ return attributes;}
}
internal XmlSchemaObjectTable AttributeUses
{
get { return attributeUses; }
}
internal XmlSchemaAnyAttribute AnyAttributeUse
{
get { return anyAttributeUse; }
}
[XmlElement("anyAttribute")]
public XmlSchemaAnyAttribute AnyAttribute
{
get{ return anyAttribute;}
set{ anyAttribute = value;}
}
//Undocumented property
[XmlIgnore]
public XmlSchemaAttributeGroup RedefinedAttributeGroup
{
get{ return redefined;}
}
[XmlIgnore]
#if NET_2_0
public XmlQualifiedName QualifiedName
#else
internal XmlQualifiedName QualifiedName
#endif
{
get{ return qualifiedName;}
}
internal override void SetParent (XmlSchemaObject parent)
{
base.SetParent (parent);
if (this.AnyAttribute != null)
this.AnyAttribute.SetParent (this);
foreach (XmlSchemaObject obj in Attributes)
obj.SetParent (this);
}
/// <remarks>
/// An Attribute group can only be defined as a child of XmlSchema or in XmlSchemaRedefine.
/// The other attributeGroup has type XmlSchemaAttributeGroupRef.
/// 1. Name must be present
/// </remarks>
internal override int Compile(ValidationEventHandler h, XmlSchema schema)
{
// If this is already compiled this time, simply skip.
if (CompilationId == schema.CompilationId)
return errorCount;
errorCount = 0;
if (redefinedObject != null) {
errorCount += redefined.Compile (h, schema);
if (errorCount == 0)
redefined = (XmlSchemaAttributeGroup) redefinedObject;
}
XmlSchemaUtil.CompileID(Id,this, schema.IDCollection,h);
if(this.Name == null || this.Name == String.Empty) //1
error(h,"Name is required in top level simpletype");
else if(!XmlSchemaUtil.CheckNCName(this.Name)) // b.1.2
error(h,"name attribute of a simpleType must be NCName");
else
this.qualifiedName = new XmlQualifiedName(this.Name, AncestorSchema.TargetNamespace);
if(this.AnyAttribute != null)
{
errorCount += this.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 gref = (XmlSchemaAttributeGroupRef) obj;
errorCount += gref.Compile(h, schema);
}
else
{
error(h,"invalid type of object in Attributes property");
}
}
this.CompilationId = schema.CompilationId;
return errorCount;
}
internal override int Validate(ValidationEventHandler h, XmlSchema schema)
{
if (IsValidated (schema.CompilationId))
return errorCount;
if (redefined == null && redefinedObject != null) {
redefinedObject.Compile (h, schema);
redefined = (XmlSchemaAttributeGroup) redefinedObject;
redefined.Validate (h, schema);
}
XmlSchemaObjectCollection actualAttributes = null;
/*
if (this.redefined != null) {
actualAttributes = new XmlSchemaObjectCollection ();
foreach (XmlSchemaObject obj in Attributes) {
XmlSchemaAttributeGroupRef grp = obj as XmlSchemaAttributeGroupRef;
if (grp != null && grp.QualifiedName == this.QualifiedName)
actualAttributes.Add (redefined);
else
actualAttributes.Add (obj);
}
}
else
*/
actualAttributes = Attributes;
attributeUses = new XmlSchemaObjectTable ();
errorCount += XmlSchemaUtil.ValidateAttributesResolved (attributeUses,
h, schema, actualAttributes, AnyAttribute,
ref anyAttributeUse, redefined, false);
ValidationId = schema.ValidationId;
return errorCount;
}
//<attributeGroup
// id = ID
// name = NCName
// ref = QName // Not present in this class.
// {any attributes with non-schema namespace . . .}>
// Content: (annotation?, ((attribute | attributeGroup)*, anyAttribute?))
//</attributeGroup>
internal static XmlSchemaAttributeGroup Read(XmlSchemaReader reader, ValidationEventHandler h)
{
XmlSchemaAttributeGroup attrgrp = new XmlSchemaAttributeGroup();
reader.MoveToElement();
if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
{
error(h,"Should not happen :1: XmlSchemaAttributeGroup.Read, name="+reader.Name,null);
reader.SkipToEnd();
return null;
}
attrgrp.LineNumber = reader.LineNumber;
attrgrp.LinePosition = reader.LinePosition;
attrgrp.SourceUri = reader.BaseURI;
while(reader.MoveToNextAttribute())
{
if(reader.Name == "id")
{
attrgrp.Id = reader.Value;
}
else if(reader.Name == "name")
{
attrgrp.name = reader.Value;
}
else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
{
error(h,reader.Name + " is not a valid attribute for attributeGroup in this context",null);
}
else
{
XmlSchemaUtil.ReadUnhandledAttribute(reader,attrgrp);
}
}
reader.MoveToElement();
if(reader.IsEmptyElement)
return attrgrp;
//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: XmlSchemaAttributeGroup.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)
attrgrp.Annotation = annotation;
continue;
}
if(level <= 2)
{
if(reader.LocalName == "attribute")
{
level = 2;
XmlSchemaAttribute attr = XmlSchemaAttribute.Read(reader,h);
if(attr != null)
attrgrp.Attributes.Add(attr);
continue;
}
if(reader.LocalName == "attributeGroup")
{
level = 2;
XmlSchemaAttributeGroupRef attr = XmlSchemaAttributeGroupRef.Read(reader,h);
if(attr != null)
attrgrp.attributes.Add(attr);
continue;
}
}
if(level <= 3 && reader.LocalName == "anyAttribute")
{
level = 4;
XmlSchemaAnyAttribute anyattr = XmlSchemaAnyAttribute.Read(reader,h);
if(anyattr != null)
attrgrp.AnyAttribute = anyattr;
continue;
}
reader.RaiseInvalidElementError();
}
return attrgrp;
}
}
}
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