// Author: Dwivedi, Ajay kumar
// Adwiv@Yahoo.com
//
// 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;
using System.Xml.Serialization;
namespace System.Xml.Schema{
/// <summary>
/// Summary description for XmlSchemaSimpleTypeUnion.
/// </summary>
public class XmlSchemaSimpleTypeUnion : XmlSchemaSimpleTypeContent
{
private XmlSchemaObjectCollection baseTypes;
private XmlQualifiedName[] memberTypes;
const string xmlname = "union";
private object [] validatedTypes;
#if NET_2_0
private XmlSchemaSimpleType [] validatedSchemaTypes;
#endif
public XmlSchemaSimpleTypeUnion()
{
baseTypes = new XmlSchemaObjectCollection();
}
[XmlElement("simpleType",typeof(XmlSchemaSimpleType))]
public XmlSchemaObjectCollection BaseTypes
{
get{ return baseTypes; }
}
[System.Xml.Serialization.XmlAttribute("memberTypes")]
public XmlQualifiedName[] MemberTypes
{
get{ return memberTypes; }
set{ memberTypes = value; }
}
#if NET_2_0
[XmlIgnore]
public XmlSchemaSimpleType [] BaseMemberTypes {
get { return validatedSchemaTypes; }
}
#endif
internal object [] ValidatedTypes
{
get { return validatedTypes; }
}
internal override void SetParent (XmlSchemaObject parent)
{
base.SetParent (parent);
foreach (XmlSchemaObject obj in BaseTypes)
obj.SetParent (this);
}
/// <remarks>
/// 1. Circular union type definition is disallowed. (WTH is this?)
/// 2. id must be a valid ID
/// </remarks>
internal override int Compile(ValidationEventHandler h, XmlSchema schema)
{
// If this is already compiled this time, simply skip.
if (CompilationId == schema.CompilationId)
return 0;
errorCount = 0;
int count = BaseTypes.Count;
foreach(XmlSchemaObject obj in baseTypes)
{
if(obj != null && obj is XmlSchemaSimpleType)
{
XmlSchemaSimpleType stype = (XmlSchemaSimpleType) obj;
errorCount += stype.Compile(h, schema);
}
else
{
error(h, "baseTypes can't have objects other than a simpletype");
}
}
if(memberTypes!=null)
{
for(int i=0; i< memberTypes.Length; i++)
{
if(memberTypes[i] == null || !XmlSchemaUtil.CheckQName(MemberTypes[i]))
{
error (h,"Invalid membertype");
memberTypes[i] = XmlQualifiedName.Empty;
}
else
{
count += MemberTypes.Length;
}
}
}
if(count == 0)
error(h, "Atleast one simpletype or membertype must be present");
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;
ArrayList al = new ArrayList ();
// Validate MemberTypes
if (MemberTypes != null) {
foreach (XmlQualifiedName memberTypeName in MemberTypes) {
object type = null;
XmlSchemaType xstype = schema.FindSchemaType (memberTypeName) as XmlSchemaSimpleType;
if (xstype != null) {
errorCount += xstype.Validate (h, schema);
type = xstype;
} else if (memberTypeName == XmlSchemaComplexType.AnyTypeName) {
type = XmlSchemaSimpleType.AnySimpleType;
} else if (memberTypeName.Namespace == XmlSchema.Namespace ||
memberTypeName.Namespace == XmlSchema.XdtNamespace) {
type = XmlSchemaDatatype.FromName (memberTypeName);
if (type == null)
error (h, "Invalid schema type name was specified: " + memberTypeName);
}
// otherwise, it might be missing sub components.
else if (!schema.IsNamespaceAbsent (memberTypeName.Namespace))
error (h, "Referenced base schema type " + memberTypeName + " was not found in the corresponding schema.");
al.Add (type);
}
}
if (BaseTypes != null) {
foreach (XmlSchemaSimpleType st in BaseTypes) {
st.Validate (h, schema);
al.Add (st);
}
}
this.validatedTypes = al.ToArray ();
#if NET_2_0
if (validatedTypes != null) {
validatedSchemaTypes = new XmlSchemaSimpleType [validatedTypes.Length];
for (int i = 0; i < validatedTypes.Length; i++) {
object t = validatedTypes [i];
XmlSchemaSimpleType st = t as XmlSchemaSimpleType;
if (st == null && t != null)
st = XmlSchemaType.GetBuiltInSimpleType (((XmlSchemaDatatype) t).TypeCode);
validatedSchemaTypes [i] = st;
}
}
#endif
ValidationId = schema.ValidationId;
return errorCount;
}
//<union
// id = ID
// memberTypes = List of QName
// {any attributes with non-schema namespace . . .}>
// Content: (annotation?, (simpleType*))
//</union>
internal static XmlSchemaSimpleTypeUnion Read(XmlSchemaReader reader, ValidationEventHandler h)
{
XmlSchemaSimpleTypeUnion union = new XmlSchemaSimpleTypeUnion();
reader.MoveToElement();
if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
{
error(h,"Should not happen :1: XmlSchemaSimpleTypeUnion.Read, name="+reader.Name,null);
reader.Skip();
return null;
}
union.LineNumber = reader.LineNumber;
union.LinePosition = reader.LinePosition;
union.SourceUri = reader.BaseURI;
//Read Attributes
while(reader.MoveToNextAttribute())
{
if(reader.Name == "id")
{
union.Id = reader.Value;
}
else if(reader.Name == "memberTypes")
{
Exception innerEx;
string[] names = XmlSchemaUtil.SplitList(reader.Value);
union.memberTypes = new XmlQualifiedName[names.Length];
for(int i=0;i<names.Length;i++)
{
union.memberTypes[i] = XmlSchemaUtil.ToQName(reader,names[i],out innerEx);
if(innerEx != null)
error(h,"'"+names[i] + "' is not a valid memberType",innerEx);
}
}
else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
{
error(h,reader.Name + " is not a valid attribute for union",null);
}
else
{
XmlSchemaUtil.ReadUnhandledAttribute(reader,union);
}
}
reader.MoveToElement();
if(reader.IsEmptyElement)
return union;
// Content: annotation?, simpleType*
int level = 1;
while(reader.ReadNextElement())
{
if(reader.NodeType == XmlNodeType.EndElement)
{
if(reader.LocalName != xmlname)
error(h,"Should not happen :2: XmlSchemaSimpleTypeUnion.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)
union.Annotation = annotation;
continue;
}
if(level <=2 && reader.LocalName == "simpleType")
{
level = 2;
XmlSchemaSimpleType stype = XmlSchemaSimpleType.Read(reader,h);
if(stype != null)
union.baseTypes.Add(stype);
continue;
}
reader.RaiseInvalidElementError();
}
return union;
}
}
}
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