private void InferAsEmptyElement(Element el, string ns,
bool isNew)
{
ComplexType ct = el.SchemaType as ComplexType;
if (ct != null)
{
SimpleModel sm =
ct.ContentModel as SimpleModel;
if (sm != null)
{
ToEmptiableSimpleContent(sm, isNew);
return;
}
ComplexModel cm = ct.ContentModel
as ComplexModel;
if (cm != null)
{
ToEmptiableComplexContent(cm, isNew);
return;
}
if (ct.Particle != null)
{
ct.Particle.MinOccurs = 0;
}
return;
}
SimpleType st = el.SchemaType as SimpleType;
if (st != null)
{
st = MakeBaseTypeAsEmptiable(st);
switch (st.QualifiedName.Namespace)
{
case XmlSchema.Namespace:
case XdtNamespace:
el.SchemaTypeName = st.QualifiedName;
break;
default:
el.SchemaType = st;
break;
}
}
}
private SOMList GetAttributes(ComplexType ct)
{
if (ct.ContentModel == null)
{
return(ct.Attributes);
}
SimpleModel sc = ct.ContentModel as SimpleModel;
if (sc != null)
{
SimpleExt sce = sc.Content as SimpleExt;
if (sce != null)
{
return(sce.Attributes);
}
SimpleRst scr = sc.Content as SimpleRst;
if (scr != null)
{
return(scr.Attributes);
}
else
{
throw Error(sc, "Invalid simple content model.");
}
}
ComplexModel cc = ct.ContentModel as ComplexModel;
if (cc != null)
{
ComplexExt cce = cc.Content as ComplexExt;
if (cce != null)
{
return(cce.Attributes);
}
ComplexRst ccr = cc.Content as ComplexRst;
if (ccr != null)
{
return(ccr.Attributes);
}
else
{
throw Error(cc, "Invalid simple content model.");
}
}
throw Error(cc, "Invalid complexType. Should not happen.");
}
// It makes complexType not to have Simple content model.
private void ToComplexContentType(ComplexType type)
{
SimpleModel sm = type.ContentModel as SimpleModel;
if (sm == null)
{
return;
}
SOMList atts = GetAttributes(type);
foreach (SOMObject o in atts)
{
type.Attributes.Add(o);
}
// FIXME: need to copy AnyAttribute.
// (though not considered right now)
type.ContentModel = null;
type.IsMixed = true;
}
private void ToEmptiableSimpleContent(
SimpleModel sm, bool isNew)
{
SimpleExt se = sm.Content as SimpleExt;
if (se != null)
{
se.BaseTypeName = QNameString;
}
else
{
SimpleRst sr = sm.Content
as SimpleRst;
if (sr == null)
{
throw Error(sm, "Invalid simple content model was passed.");
}
sr.BaseTypeName = QNameString;
sr.BaseType = null;
}
}
//<simpleContent
// id = ID
// {any attributes with non-schema namespace . . .}>
// Content: (annotation?, (restriction | extension))
//</simpleContent>
internal static XmlSchemaSimpleContent Read(XmlSchemaReader reader, ValidationEventHandler h)
{
XmlSchemaSimpleContent simple = new XmlSchemaSimpleContent();
reader.MoveToElement();
if (reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
{
error(h, "Should not happen :1: XmlSchemaComplexContent.Read, name=" + reader.Name, null);
reader.SkipToEnd();
return(null);
}
simple.LineNumber = reader.LineNumber;
simple.LinePosition = reader.LinePosition;
simple.SourceUri = reader.BaseURI;
while (reader.MoveToNextAttribute())
{
if (reader.Name == "id")
{
simple.Id = reader.Value;
}
else if ((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
{
error(h, reader.Name + " is not a valid attribute for simpleContent", null);
}
else
{
XmlSchemaUtil.ReadUnhandledAttribute(reader, simple);
}
}
reader.MoveToElement();
if (reader.IsEmptyElement)
{
return(simple);
}
//Content: (annotation?, (restriction | extension))
int level = 1;
while (reader.ReadNextElement())
{
if (reader.NodeType == XmlNodeType.EndElement)
{
if (reader.LocalName != xmlname)
{
error(h, "Should not happen :2: XmlSchemaSimpleContent.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)
{
simple.Annotation = annotation;
}
continue;
}
if (level <= 2)
{
if (reader.LocalName == "restriction")
{
level = 3;
XmlSchemaSimpleContentRestriction restriction = XmlSchemaSimpleContentRestriction.Read(reader, h);
if (restriction != null)
{
simple.content = restriction;
}
continue;
}
if (reader.LocalName == "extension")
{
level = 3;
XmlSchemaSimpleContentExtension extension = XmlSchemaSimpleContentExtension.Read(reader, h);
if (extension != null)
{
simple.content = extension;
}
continue;
}
}
reader.RaiseInvalidElementError();
}
return(simple);
}
private void InferTextContent(Element el, bool isNew)
{
string value = source.ReadString();
if (el.SchemaType == null)
{
if (el.SchemaTypeName == QName.Empty)
{
// no type information -> infer type
if (isNew)
{
el.SchemaTypeName =
InferSimpleType(
value);
}
else
{
el.SchemaTypeName =
QNameString;
}
return;
}
switch (el.SchemaTypeName.Namespace)
{
case XmlSchema.Namespace:
case XdtNamespace:
// existing primitive type
el.SchemaTypeName = InferMergedType(
value, el.SchemaTypeName);
break;
default:
ComplexType ct = schemas.GlobalTypes [
el.SchemaTypeName]
as ComplexType;
// If it is complex, then just set
// mixed='true' (type cannot be set.)
// If it is simple, then we cannot
// make sure that string value is
// valid. So just set as xs:string.
if (ct != null)
{
MarkAsMixed(ct);
}
else
{
el.SchemaTypeName = QNameString;
}
break;
}
return;
}
// simpleType
SimpleType st = el.SchemaType as SimpleType;
if (st != null)
{
// If simple, then (described above)
el.SchemaType = null;
el.SchemaTypeName = QNameString;
return;
}
// complexType
ComplexType ect = el.SchemaType as ComplexType;
SimpleModel sm = ect.ContentModel as SimpleModel;
if (sm == null)
{
// - ComplexContent
MarkAsMixed(ect);
return;
}
// - SimpleContent
SimpleExt se = sm.Content as SimpleExt;
if (se != null)
{
se.BaseTypeName = InferMergedType(value,
se.BaseTypeName);
}
SimpleRst sr = sm.Content as SimpleRst;
if (sr != null)
{
sr.BaseTypeName = InferMergedType(value,
sr.BaseTypeName);
sr.BaseType = null;
}
}
private ComplexType ToComplexType(Element el)
{
QName name = el.SchemaTypeName;
XmlSchemaType type = el.SchemaType;
// 1. element type is complex.
ComplexType ct = type as ComplexType;
if (ct != null)
{
return(ct);
}
// 2. reference to global complexType.
XmlSchemaType globalType = schemas.GlobalTypes [name]
as XmlSchemaType;
ct = globalType as ComplexType;
if (ct != null)
{
return(ct);
}
ct = new ComplexType();
el.SchemaType = ct;
el.SchemaTypeName = QName.Empty;
// 3. base type name is xs:anyType or no specification.
// <xs:complexType />
if (name == QNameAnyType)
{
return(ct);
}
else if (type == null && name == QName.Empty)
{
return(ct);
}
SimpleModel sc = new SimpleModel();
ct.ContentModel = sc;
// 4. type is simpleType
// -> extension of existing simple type.
SimpleType st = type as SimpleType;
if (st != null)
{
SimpleRst scr = new SimpleRst();
scr.BaseType = st;
sc.Content = scr;
return(ct);
}
SimpleExt sce = new SimpleExt();
sc.Content = sce;
// 5. type name points to primitive type
// -> simple extension of a primitive type
st = XmlSchemaType.GetBuiltInSimpleType(name);
if (st != null)
{
sce.BaseTypeName = name;
return(ct);
}
// 6. type name points to global simpleType.
st = globalType as SimpleType;
if (st != null)
{
sce.BaseTypeName = name;
return(ct);
}
throw Error(el, "Unexpected schema component that contains simpleTypeName that could not be resolved.");
}