bool busy; // only for avoiding infinite loop on illegal recursion cases.
internal override XmlSchemaParticle GetOptimizedParticle(bool isTop)
{
if (busy)
{
return(XmlSchemaParticle.Empty);
}
if (OptimizedParticle != null)
{
return(OptimizedParticle);
}
busy = true;
XmlSchemaGroup g = referencedGroup != null ? referencedGroup : schema.Groups [RefName] as XmlSchemaGroup;
if (g != null && g.Particle != null)
{
OptimizedParticle = g.Particle;
OptimizedParticle = OptimizedParticle.GetOptimizedParticle(isTop);
if (OptimizedParticle != XmlSchemaParticle.Empty && (ValidatedMinOccurs != 1 || ValidatedMaxOccurs != 1))
{
OptimizedParticle = OptimizedParticle.GetShallowClone();
OptimizedParticle.OptimizedParticle = null;
OptimizedParticle.MinOccurs = this.MinOccurs;
OptimizedParticle.MaxOccurs = this.MaxOccurs;
OptimizedParticle.CompileOccurence(null, null);
}
}
else
{
OptimizedParticle = XmlSchemaParticle.Empty;
}
busy = false;
return(OptimizedParticle);
}
internal override int Validate(ValidationEventHandler h, XmlSchema schema)
{
if (IsValidated(schema.ValidationId))
{
return(errorCount);
}
referencedGroup = schema.Groups [RefName] as XmlSchemaGroup;
// it might be missing sub components.
if (referencedGroup == null)
{
if (!schema.IsNamespaceAbsent(RefName.Namespace))
{
error(h, "Referenced group " + RefName + " was not found in the corresponding schema.");
}
}
// See Errata E1-26: minOccurs=0 is now allowed.
else if (referencedGroup.Particle is XmlSchemaAll && ValidatedMaxOccurs != 1)
{
error(h, "Group reference to -all- particle must have schema component {maxOccurs}=1.");
}
if (TargetGroup != null)
{
TargetGroup.Validate(h, schema);
}
ValidationId = schema.ValidationId;
return(errorCount);
}
private static void ReadContent(XmlSchema schema, XmlSchemaReader reader, ValidationEventHandler h)
{
reader.MoveToElement();
if (reader.LocalName != "schema" && reader.NamespaceURI != XmlSchema.Namespace && reader.NodeType != XmlNodeType.Element)
{
error(h, "UNREACHABLE CODE REACHED: Method: Schema.ReadContent, " + reader.LocalName + ", " + reader.NamespaceURI, null);
}
//(include | import | redefine | annotation)*,
//((simpleType | complexType | group | attributeGroup | element | attribute | notation | annotation)*
int level = 1;
while (reader.ReadNextElement())
{
if (reader.NodeType == XmlNodeType.EndElement)
{
if (reader.LocalName != xmlname)
{
error(h, "Should not happen :2: XmlSchema.Read, name=" + reader.Name, null);
}
break;
}
if (level <= 1)
{
if (reader.LocalName == "include")
{
XmlSchemaInclude include = XmlSchemaInclude.Read(reader, h);
if (include != null)
{
schema.includes.Add(include);
}
continue;
}
if (reader.LocalName == "import")
{
XmlSchemaImport import = XmlSchemaImport.Read(reader, h);
if (import != null)
{
schema.includes.Add(import);
}
continue;
}
if (reader.LocalName == "redefine")
{
XmlSchemaRedefine redefine = XmlSchemaRedefine.Read(reader, h);
if (redefine != null)
{
schema.includes.Add(redefine);
}
continue;
}
if (reader.LocalName == "annotation")
{
XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader, h);
if (annotation != null)
{
schema.items.Add(annotation);
}
continue;
}
}
if (level <= 2)
{
level = 2;
if (reader.LocalName == "simpleType")
{
XmlSchemaSimpleType stype = XmlSchemaSimpleType.Read(reader, h);
if (stype != null)
{
schema.items.Add(stype);
}
continue;
}
if (reader.LocalName == "complexType")
{
XmlSchemaComplexType ctype = XmlSchemaComplexType.Read(reader, h);
if (ctype != null)
{
schema.items.Add(ctype);
}
continue;
}
if (reader.LocalName == "group")
{
XmlSchemaGroup group = XmlSchemaGroup.Read(reader, h);
if (group != null)
{
schema.items.Add(group);
}
continue;
}
if (reader.LocalName == "attributeGroup")
{
XmlSchemaAttributeGroup attributeGroup = XmlSchemaAttributeGroup.Read(reader, h);
if (attributeGroup != null)
{
schema.items.Add(attributeGroup);
}
continue;
}
if (reader.LocalName == "element")
{
XmlSchemaElement element = XmlSchemaElement.Read(reader, h);
if (element != null)
{
schema.items.Add(element);
}
continue;
}
if (reader.LocalName == "attribute")
{
XmlSchemaAttribute attr = XmlSchemaAttribute.Read(reader, h);
if (attr != null)
{
schema.items.Add(attr);
}
continue;
}
if (reader.LocalName == "notation")
{
XmlSchemaNotation notation = XmlSchemaNotation.Read(reader, h);
if (notation != null)
{
schema.items.Add(notation);
}
continue;
}
if (reader.LocalName == "annotation")
{
XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader, h);
if (annotation != null)
{
schema.items.Add(annotation);
}
continue;
}
}
reader.RaiseInvalidElementError();
}
}
void DoCompile(ValidationEventHandler handler, List <CompiledSchemaMemo> handledUris, XmlSchemaSet col, XmlResolver resolver)
{
SetParent();
CompilationId = col.CompilationId;
schemas = col;
if (!schemas.Contains(this)) // e.g. xs:import
{
schemas.Add(this);
}
attributeGroups.Clear();
attributes.Clear();
elements.Clear();
groups.Clear();
notations.Clear();
schemaTypes.Clear();
named_identities.Clear();
ids.Clear();
compilationItems.Clear();
//1. Union and List are not allowed in block default
if (BlockDefault != XmlSchemaDerivationMethod.All)
{
if ((BlockDefault & XmlSchemaDerivationMethod.List) != 0)
{
error(handler, "list is not allowed in blockDefault attribute");
}
if ((BlockDefault & XmlSchemaDerivationMethod.Union) != 0)
{
error(handler, "union is not allowed in blockDefault attribute");
}
}
//2. Substitution is not allowed in finaldefault.
if (FinalDefault != XmlSchemaDerivationMethod.All)
{
if ((FinalDefault & XmlSchemaDerivationMethod.Substitution) != 0)
{
error(handler, "substitution is not allowed in finalDefault attribute");
}
}
//3. id must be of type ID
XmlSchemaUtil.CompileID(Id, this, IDCollection, handler);
//4. targetNamespace should be of type anyURI or absent
if (TargetNamespace != null)
{
if (TargetNamespace.Length == 0)
{
error(handler, "The targetNamespace attribute cannot have have empty string as its value.");
}
if (!XmlSchemaUtil.CheckAnyUri(TargetNamespace))
{
error(handler, TargetNamespace + " is not a valid value for targetNamespace attribute of schema");
}
}
//5. version should be of type normalizedString
if (!XmlSchemaUtil.CheckNormalizedString(Version))
{
error(handler, Version + "is not a valid value for version attribute of schema");
}
// Compile the content of this schema
for (int i = 0; i < Items.Count; i++)
{
compilationItems.Add(Items [i]);
}
// First, we run into inclusion schemas to collect
// compilation target items into compiledItems.
for (int i = 0; i < Includes.Count; i++)
{
ProcessExternal(handler, handledUris, resolver, Includes [i] as XmlSchemaExternal, col);
}
// Compilation phase.
// At least each Compile() must give unique (qualified) name for each component.
// It also checks self-resolvable properties correctness.
// Post compilation schema information contribution is not done here.
// It should be done by Validate().
for (int i = 0; i < compilationItems.Count; i++)
{
XmlSchemaObject obj = compilationItems [i];
if (obj is XmlSchemaAnnotation)
{
int numerr = ((XmlSchemaAnnotation)obj).Compile(handler, this);
errorCount += numerr;
}
else if (obj is XmlSchemaAttribute)
{
XmlSchemaAttribute attr = (XmlSchemaAttribute)obj;
int numerr = attr.Compile(handler, this);
errorCount += numerr;
if (numerr == 0)
{
XmlSchemaUtil.AddToTable(Attributes, attr, attr.QualifiedName, handler);
}
}
else if (obj is XmlSchemaAttributeGroup)
{
XmlSchemaAttributeGroup attrgrp = (XmlSchemaAttributeGroup)obj;
int numerr = attrgrp.Compile(handler, this);
errorCount += numerr;
if (numerr == 0)
{
XmlSchemaUtil.AddToTable(
AttributeGroups,
attrgrp,
attrgrp.QualifiedName,
handler);
}
}
else if (obj is XmlSchemaComplexType)
{
XmlSchemaComplexType ctype = (XmlSchemaComplexType)obj;
int numerr = ctype.Compile(handler, this);
errorCount += numerr;
if (numerr == 0)
{
XmlSchemaUtil.AddToTable(
schemaTypes,
ctype,
ctype.QualifiedName,
handler);
}
}
else if (obj is XmlSchemaSimpleType)
{
XmlSchemaSimpleType stype = (XmlSchemaSimpleType)obj;
stype.islocal = false; //This simple type is toplevel
int numerr = stype.Compile(handler, this);
errorCount += numerr;
if (numerr == 0)
{
XmlSchemaUtil.AddToTable(
SchemaTypes,
stype,
stype.QualifiedName,
handler);
}
}
else if (obj is XmlSchemaElement)
{
XmlSchemaElement elem = (XmlSchemaElement)obj;
elem.parentIsSchema = true;
int numerr = elem.Compile(handler, this);
errorCount += numerr;
if (numerr == 0)
{
XmlSchemaUtil.AddToTable(
Elements,
elem,
elem.QualifiedName,
handler);
}
}
else if (obj is XmlSchemaGroup)
{
XmlSchemaGroup grp = (XmlSchemaGroup)obj;
int numerr = grp.Compile(handler, this);
errorCount += numerr;
if (numerr == 0)
{
XmlSchemaUtil.AddToTable(
Groups,
grp,
grp.QualifiedName,
handler);
}
}
else if (obj is XmlSchemaNotation)
{
XmlSchemaNotation ntn = (XmlSchemaNotation)obj;
int numerr = ntn.Compile(handler, this);
errorCount += numerr;
if (numerr == 0)
{
XmlSchemaUtil.AddToTable(
Notations,
ntn,
ntn.QualifiedName,
handler);
}
}
else
{
ValidationHandler.RaiseValidationEvent(
handler,
null,
String.Format("Object of Type {0} is not valid in Item Property of Schema", obj.GetType().Name),
null,
this,
null,
XmlSeverityType.Error);
}
}
}
//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);
}
//<redefine
// id = ID
// schemaLocation = anyURI
// {any attributes with non-schema namespace . . .}>
// Content: (annotation | (simpleType | complexType | group | attributeGroup))*
//</redefine>
internal static XmlSchemaRedefine Read(XmlSchemaReader reader, ValidationEventHandler h)
{
XmlSchemaRedefine redefine = new XmlSchemaRedefine();
reader.MoveToElement();
if (reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
{
error(h, "Should not happen :1: XmlSchemaRedefine.Read, name=" + reader.Name, null);
reader.Skip();
return(null);
}
redefine.LineNumber = reader.LineNumber;
redefine.LinePosition = reader.LinePosition;
redefine.SourceUri = reader.BaseURI;
while (reader.MoveToNextAttribute())
{
if (reader.Name == "id")
{
redefine.Id = reader.Value;
}
else if (reader.Name == "schemaLocation")
{
redefine.SchemaLocation = reader.Value;
}
else if ((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
{
error(h, reader.Name + " is not a valid attribute for redefine", null);
}
else
{
XmlSchemaUtil.ReadUnhandledAttribute(reader, redefine);
}
}
reader.MoveToElement();
if (reader.IsEmptyElement)
{
return(redefine);
}
//(annotation | (simpleType | complexType | group | attributeGroup))*
while (reader.ReadNextElement())
{
if (reader.NodeType == XmlNodeType.EndElement)
{
if (reader.LocalName != xmlname)
{
error(h, "Should not happen :2: XmlSchemaRedefine.Read, name=" + reader.Name, null);
}
break;
}
if (reader.LocalName == "annotation")
{
XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader, h);
if (annotation != null)
{
redefine.items.Add(annotation);
}
continue;
}
if (reader.LocalName == "simpleType")
{
XmlSchemaSimpleType simpleType = XmlSchemaSimpleType.Read(reader, h);
if (simpleType != null)
{
redefine.items.Add(simpleType);
}
continue;
}
if (reader.LocalName == "complexType")
{
XmlSchemaComplexType complexType = XmlSchemaComplexType.Read(reader, h);
if (complexType != null)
{
redefine.items.Add(complexType);
}
continue;
}
if (reader.LocalName == "group")
{
XmlSchemaGroup group = XmlSchemaGroup.Read(reader, h);
if (group != null)
{
redefine.items.Add(group);
}
continue;
}
if (reader.LocalName == "attributeGroup")
{
XmlSchemaAttributeGroup attributeGroup = XmlSchemaAttributeGroup.Read(reader, h);
if (attributeGroup != null)
{
redefine.items.Add(attributeGroup);
}
continue;
}
reader.RaiseInvalidElementError();
}
return(redefine);
}
