internal override bool ValidateDerivationByRestriction(XmlSchemaParticle baseParticle,
ValidationEventHandler h, XmlSchema schema, bool raiseError)
{
XmlSchemaAny any = baseParticle as XmlSchemaAny;
XmlSchemaAll derivedAll = baseParticle as XmlSchemaAll;
if (any != null)
{
// NSRecurseCheckCardinality
return(ValidateNSRecurseCheckCardinality(any, h, schema, raiseError));
}
else if (derivedAll != null)
{
// Recurse
if (!ValidateOccurenceRangeOK(derivedAll, h, schema, raiseError))
{
return(false);
}
return(ValidateRecurse(derivedAll, h, schema, raiseError));
}
else
{
if (raiseError)
{
error(h, "Invalid -all- particle derivation was found.");
}
return(false);
}
}
internal override XmlSchemaParticle GetOptimizedParticle(bool isTop)
{
if (OptimizedParticle != null)
{
return(OptimizedParticle);
}
if (Items.Count == 0 || ValidatedMaxOccurs == 0)
{
OptimizedParticle = XmlSchemaParticle.Empty;
return(OptimizedParticle);
}
else if (Items.Count == 1)
{
if (ValidatedMinOccurs == 1 && ValidatedMaxOccurs == 1)
{
XmlSchemaSequence seq = new XmlSchemaSequence();
this.CopyInfo(seq);
XmlSchemaParticle p = (XmlSchemaParticle)Items [0];
p = p.GetOptimizedParticle(false);
if (p == XmlSchemaParticle.Empty)
{
OptimizedParticle = p;
}
else
{
seq.Items.Add(p);
seq.CompiledItems.Add(p);
seq.Compile(null, schema);
OptimizedParticle = seq;
}
return(OptimizedParticle);
}
}
XmlSchemaAll all = new XmlSchemaAll();
CopyInfo(all);
CopyOptimizedItems(all);
OptimizedParticle = all;
all.ComputeEmptiable();
return(OptimizedParticle);
}
//From the Errata
//<group
// id = ID
// name = NCName
// {any attributes with non-schema namespace . . .}>
// Content: (annotation?, (all | choice | sequence)?)
//</group>
internal static XmlSchemaGroup Read(XmlSchemaReader reader, ValidationEventHandler h)
{
XmlSchemaGroup group = new XmlSchemaGroup();
reader.MoveToElement();
if (reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
{
error(h, "Should not happen :1: XmlSchemaGroup.Read, name=" + reader.Name, null);
reader.Skip();
return(null);
}
group.LineNumber = reader.LineNumber;
group.LinePosition = reader.LinePosition;
group.SourceUri = reader.BaseURI;
while (reader.MoveToNextAttribute())
{
if (reader.Name == "id")
{
group.Id = reader.Value;
}
else if (reader.Name == "name")
{
group.name = reader.Value;
}
else if ((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
{
error(h, reader.Name + " is not a valid attribute for group", null);
}
else
{
XmlSchemaUtil.ReadUnhandledAttribute(reader, group);
}
}
reader.MoveToElement();
if (reader.IsEmptyElement)
{
return(group);
}
// Content: (annotation?, (all | choice | sequence)?)
int level = 1;
while (reader.ReadNextElement())
{
if (reader.NodeType == XmlNodeType.EndElement)
{
if (reader.LocalName != xmlname)
{
error(h, "Should not happen :2: XmlSchemaGroup.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)
{
group.Annotation = annotation;
}
continue;
}
if (level <= 2)
{
if (reader.LocalName == "all")
{
level = 3;
XmlSchemaAll all = XmlSchemaAll.Read(reader, h);
if (all != null)
{
group.Particle = all;
}
continue;
}
if (reader.LocalName == "choice")
{
level = 3;
XmlSchemaChoice choice = XmlSchemaChoice.Read(reader, h);
if (choice != null)
{
group.Particle = choice;
}
continue;
}
if (reader.LocalName == "sequence")
{
level = 3;
XmlSchemaSequence sequence = XmlSchemaSequence.Read(reader, h);
if (sequence != null)
{
group.Particle = sequence;
}
continue;
}
}
reader.RaiseInvalidElementError();
}
return(group);
}
//<extension
// base = QName
// id = ID
// {any attributes with non-schema namespace . . .}>
// Content: (annotation?, ((group | all | choice | sequence)?, ((attribute | attributeGroup)*, anyAttribute?)))
//</extension>
internal static XmlSchemaComplexContentExtension Read(XmlSchemaReader reader, ValidationEventHandler h)
{
XmlSchemaComplexContentExtension extension = new XmlSchemaComplexContentExtension();
reader.MoveToElement();
if (reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
{
error(h, "Should not happen :1: XmlSchemaComplexContentExtension.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", null);
}
else
{
XmlSchemaUtil.ReadUnhandledAttribute(reader, extension);
}
}
reader.MoveToElement();
if (reader.IsEmptyElement)
{
return(extension);
}
//Content: 1. annotation?,
// (2.(group | all | choice | sequence)?, (3.(attribute | attributeGroup)*, 4.anyAttribute?)))
int level = 1;
while (reader.ReadNextElement())
{
if (reader.NodeType == XmlNodeType.EndElement)
{
if (reader.LocalName != xmlname)
{
error(h, "Should not happen :2: XmlSchemaComplexContentExtension.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 == "group")
{
level = 3;
XmlSchemaGroupRef group = XmlSchemaGroupRef.Read(reader, h);
if (group != null)
{
extension.particle = group;
}
continue;
}
if (reader.LocalName == "all")
{
level = 3;
XmlSchemaAll all = XmlSchemaAll.Read(reader, h);
if (all != null)
{
extension.particle = all;
}
continue;
}
if (reader.LocalName == "choice")
{
level = 3;
XmlSchemaChoice choice = XmlSchemaChoice.Read(reader, h);
if (choice != null)
{
extension.particle = choice;
}
continue;
}
if (reader.LocalName == "sequence")
{
level = 3;
XmlSchemaSequence sequence = XmlSchemaSequence.Read(reader, h);
if (sequence != null)
{
extension.particle = sequence;
}
continue;
}
}
if (level <= 3)
{
if (reader.LocalName == "attribute")
{
level = 3;
XmlSchemaAttribute attr = XmlSchemaAttribute.Read(reader, h);
if (attr != null)
{
extension.Attributes.Add(attr);
}
continue;
}
if (reader.LocalName == "attributeGroup")
{
level = 3;
XmlSchemaAttributeGroupRef attr = XmlSchemaAttributeGroupRef.Read(reader, h);
if (attr != null)
{
extension.attributes.Add(attr);
}
continue;
}
}
if (level <= 4 && reader.LocalName == "anyAttribute")
{
level = 5;
XmlSchemaAnyAttribute anyattr = XmlSchemaAnyAttribute.Read(reader, h);
if (anyattr != null)
{
extension.AnyAttribute = anyattr;
}
continue;
}
reader.RaiseInvalidElementError();
}
return(extension);
}
//<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);
}
internal override bool ValidateDerivationByRestriction(XmlSchemaParticle baseParticle,
ValidationEventHandler h, XmlSchema schema, bool raiseError)
{
if (this == baseParticle) // quick check
{
return(true);
}
XmlSchemaElement el = baseParticle as XmlSchemaElement;
if (el != null)
{
// Forbidden
if (raiseError)
{
error(h, "Invalid sequence paricle derivation.");
}
return(false);
}
XmlSchemaSequence seq = baseParticle as XmlSchemaSequence;
if (seq != null)
{
// Recurse
if (!ValidateOccurenceRangeOK(seq, h, schema, raiseError))
{
return(false);
}
// If it is totally optional, then ignore their contents.
if (seq.ValidatedMinOccurs == 0 && seq.ValidatedMaxOccurs == 0 &&
this.ValidatedMinOccurs == 0 && this.ValidatedMaxOccurs == 0)
{
return(true);
}
return(ValidateRecurse(seq, h, schema, raiseError));
}
XmlSchemaAll all = baseParticle as XmlSchemaAll;
if (all != null)
{
// RecurseUnordered
XmlSchemaObjectCollection already = new XmlSchemaObjectCollection();
for (int i = 0; i < this.Items.Count; i++)
{
XmlSchemaElement de = this.Items [i] as XmlSchemaElement;
if (de == null)
{
if (raiseError)
{
error(h, "Invalid sequence particle derivation by restriction from all.");
}
return(false);
}
foreach (XmlSchemaElement e in all.Items)
{
if (e.QualifiedName == de.QualifiedName)
{
if (already.Contains(e))
{
if (raiseError)
{
error(h, "Base element particle is mapped to the derived element particle in a sequence two or more times.");
}
return(false);
}
else
{
already.Add(e);
if (!de.ValidateDerivationByRestriction(e, h, schema, raiseError))
{
return(false);
}
}
}
}
}
foreach (XmlSchemaElement e in all.Items)
{
if (!already.Contains(e))
{
if (!e.ValidateIsEmptiable())
{
if (raiseError)
{
error(h, "In base -all- particle, mapping-skipped base element which is not emptiable was found.");
}
return(false);
}
}
}
return(true);
}
XmlSchemaAny any = baseParticle as XmlSchemaAny;
if (any != null)
{
// NSRecurseCheckCardinality
return(ValidateNSRecurseCheckCardinality(any, h, schema, raiseError));
}
XmlSchemaChoice choice = baseParticle as XmlSchemaChoice;
if (choice != null)
{
// MapAndSum
// In fact it is not Recurse, but it looks almost common.
return(ValidateSeqRecurseMapSumCommon(choice, h, schema, false, true, raiseError));
}
return(true);
}
