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// Author: Dwivedi, Ajay kumar
// Adwiv@Yahoo.com
using System;
using System.Xml;
using System.Xml.Serialization;
namespace System.Xml.Schema
{
/// <summary>
/// Summary description for XmlSchemaAll.
/// </summary>
public class XmlSchemaAll : XmlSchemaGroupBase
{
private XmlSchemaObjectCollection items;
private static string xmlname = "all";
public XmlSchemaAll()
{
items = new XmlSchemaObjectCollection();
}
[XmlElement("element",typeof(XmlSchemaElement),Namespace="http://www.w3.org/2001/XMLSchema")]
public override XmlSchemaObjectCollection Items
{
get{ return items; }
}
/// <remarks>
/// 1. MaxOccurs must be one. (default is also one)
/// 2. MinOccurs must be zero or one.
/// </remarks>
[MonoTODO]
internal int Compile(ValidationEventHandler h, XmlSchemaInfo info)
{
//FIXME: Should we reset the values on error??
if(MaxOccurs != Decimal.One)
error(h,"maxOccurs must be 1");
if(MinOccurs != Decimal.One && MinOccurs != Decimal.Zero)
error(h,"minOccurs must be 0 or 1");
XmlSchemaUtil.CompileID(Id, this, info.IDCollection, h);
foreach(XmlSchemaObject obj in Items)
{
if(obj is XmlSchemaElement)
{
XmlSchemaElement elem = (XmlSchemaElement)obj;
if(elem.MaxOccurs != Decimal.One && elem.MaxOccurs != Decimal.Zero)
{
elem.error(h,"The {max occurs} of all the elements of 'all' must be 0 or 1. ");
}
errorCount += elem.Compile(h,info);
}
else
{
error(h,"XmlSchemaAll can only contain Items of type Element");
}
}
return errorCount;
}
[MonoTODO]
internal int Validate(ValidationEventHandler h)
{
return errorCount;
}
//<all
// id = ID
// maxOccurs = 1 : 1
// minOccurs = (0 | 1) : 1
// {any attributes with non-schema namespace . . .}>
// Content: (annotation?, element*)
//</all>
internal static XmlSchemaAll Read(XmlSchemaReader reader, ValidationEventHandler h)
{
XmlSchemaAll all = new XmlSchemaAll();
reader.MoveToElement();
if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
{
error(h,"Should not happen :1: XmlSchemaAll.Read, name="+reader.Name,null);
reader.SkipToEnd();
return null;
}
all.LineNumber = reader.LineNumber;
all.LinePosition = reader.LinePosition;
all.SourceUri = reader.BaseURI;
//Read Attributes
while(reader.MoveToNextAttribute())
{
if(reader.Name == "id")
{
all.Id = reader.Value;
}
else if(reader.Name == "maxOccurs")
{
try
{
all.MaxOccursString = reader.Value;
}
catch(Exception e)
{
error(h,reader.Value + " is an invalid value for maxOccurs",e);
}
}
else if(reader.Name == "minOccurs")
{
try
{
all.MinOccursString = reader.Value;
}
catch(Exception e)
{
error(h,reader.Value + " is an invalid value for minOccurs",e);
}
}
else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
{
error(h,reader.Name + " is not a valid attribute for all",null);
}
else
{
XmlSchemaUtil.ReadUnhandledAttribute(reader,all);
}
}
reader.MoveToElement();
if(reader.IsEmptyElement)
return all;
//Content: (annotation?, element*)
int level = 1;
while(reader.ReadNextElement())
{
if(reader.NodeType == XmlNodeType.EndElement)
{
if(reader.LocalName != xmlname)
error(h,"Should not happen :2: XmlSchemaAll.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)
all.Annotation = annotation;
continue;
}
if(level <=2 && reader.LocalName == "element")
{
level = 2;
XmlSchemaElement element = XmlSchemaElement.Read(reader,h);
if(element != null)
all.items.Add(element);
continue;
}
reader.RaiseInvalidElementError();
}
return all;
}
}
}
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