private void WalkParticle(XmlSchemaParticle particle, DomNodeType nodeType)
{
XmlSchemaElement element = particle as XmlSchemaElement;
if (element != null)
{
XmlSchemaSimpleType simpleType = element.ElementSchemaType as XmlSchemaSimpleType;
if (simpleType != null &&
element.MaxOccurs == 1)
{
XmlAttributeType attributeType = GetAttributeType(simpleType);
string fieldName = GetFieldName(element.QualifiedName);
XmlAttributeInfo attributeInfo = new XmlAttributeInfo(fieldName, attributeType);
nodeType.Define(attributeInfo);
m_annotations.Add(attributeInfo, GetAnnotation(element));
attributeInfo.IsElement = true;
if (element.DefaultValue != null)
{
if (element.FixedValue != null)
{
throw new InvalidOperationException(string.Format("Schema element {0} cannot have both a default value and a fixed value", element.QualifiedName));
}
attributeInfo.DefaultValue = attributeType.Convert(element.DefaultValue);
}
else if (element.FixedValue != null)
{
attributeInfo.DefaultValue = attributeType.Convert(element.FixedValue);
}
}
else
{
DomNodeType childNodeType = null;
if (simpleType != null)
{
bool firstTime;
childNodeType = WrapSimpleType(simpleType, out firstTime);
// The collada.xsd's ListOfUInts element breaks the generated Schema.cs file otherwise.
if (firstTime)
{
// Add the value attribute
XmlAttributeType valueAttributeType = GetAttributeType(simpleType);
var valueAttributeInfo = new XmlAttributeInfo(string.Empty, valueAttributeType);
childNodeType.Define(valueAttributeInfo);
}
}
else
{
XmlSchemaComplexType complexType = element.ElementSchemaType as XmlSchemaComplexType;
if (complexType != null)
{
childNodeType = GetNodeType(complexType, element);
}
}
if (childNodeType != null)
{
int minOccurs = (int)Math.Min(element.MinOccurs, Int32.MaxValue);
int maxOccurs = (int)Math.Min(element.MaxOccurs, Int32.MaxValue);
if (particle.Parent is XmlSchemaChoice)
{
var parent = (XmlSchemaChoice)particle.Parent;
if (parent.MinOccurs != 1)
{
minOccurs = (int)Math.Min(Math.Max(element.MinOccurs, parent.MinOccurs), Int32.MaxValue);
}
if (parent.MaxOccurs != 1)
{
maxOccurs = (int)Math.Min(Math.Max(element.MaxOccurs, parent.MaxOccurs), Int32.MaxValue);
}
}
else if (particle.Parent is XmlSchemaSequence)
{
var parent = (XmlSchemaSequence)particle.Parent;
if (parent.MinOccurs != 1)
{
minOccurs = (int)Math.Min(Math.Max(element.MinOccurs, parent.MinOccurs), Int32.MaxValue);
}
if (parent.MaxOccurs != 1)
{
maxOccurs = (int)Math.Min(Math.Max(element.MaxOccurs, parent.MaxOccurs), Int32.MaxValue);
}
}
ChildInfo childInfo = new ChildInfo(GetFieldName(element.QualifiedName), childNodeType, maxOccurs > 1);
if ((minOccurs > 0 || maxOccurs < Int32.MaxValue) &&
minOccurs <= maxOccurs)
{
childInfo.AddRule(new ChildCountRule(minOccurs, maxOccurs));
}
// Check for substitution groups
if (!element.RefName.IsEmpty)
{
m_refElements.Add(childInfo, element.RefName);
}
nodeType.Define(childInfo);
m_annotations.Add(childInfo, GetAnnotation(element));
}
}
}
else
{
XmlSchemaGroupBase grp = particle as XmlSchemaSequence;
if (grp == null)
{
grp = particle as XmlSchemaChoice;
}
if (grp == null)
{
grp = particle as XmlSchemaAll;
}
if (grp != null)
{
foreach (XmlSchemaParticle subParticle in grp.Items)
{
WalkParticle(subParticle, nodeType);
}
}
}
}
private DomNodeType GetNodeType(XmlSchemaComplexType complexType, XmlSchemaElement element)
{
// get type name
XmlQualifiedName name = complexType.QualifiedName;
if (name.IsEmpty) // local type
{
name = GetLocalTypeName(element);
}
string typeName = name.ToString();
DomNodeType nodeType;
if (!m_nodeTypes.TryGetValue(typeName, out nodeType))
{
// build a new complex type and add it to the dictionary
nodeType = new DomNodeType(typeName);
m_nodeTypes.Add(typeName, nodeType);
m_annotations.Add(nodeType, GetAnnotation(complexType));
DomNodeType baseType = null;
XmlAttributeType valueType = null;
XmlSchemaComplexType complexBaseType = GetBaseType(complexType);
if (complexBaseType != null)
{
baseType = GetNodeType(complexBaseType, null);
}
XmlSchemaSimpleType simpleBase = complexType.BaseXmlSchemaType as XmlSchemaSimpleType;
if (simpleBase != null)
{
valueType = GetAttributeType(simpleBase);
}
else if (complexType.IsMixed)
{
valueType = s_mixedTextFieldSimpleType;
}
WalkParticle(complexType.ContentTypeParticle, nodeType);
if (valueType != null)
{
XmlAttributeInfo attributeInfo = new XmlAttributeInfo(string.Empty, valueType);
nodeType.Define(attributeInfo);
}
// get XML attributes
System.Collections.ICollection attributeUses = complexType.AttributeUses.Values;
foreach (XmlSchemaAttribute attribute in attributeUses)
{
XmlAttributeType attributeType = GetAttributeType(attribute.AttributeSchemaType);
string fieldName = GetFieldName(attribute.QualifiedName);
XmlAttributeInfo attributeInfo = new XmlAttributeInfo(fieldName, attributeType);
if (attribute.DefaultValue != null)
{
attributeInfo.DefaultValue = attributeType.Convert(attribute.DefaultValue);
}
m_annotations.Add(attributeInfo, GetAnnotation(attribute));
nodeType.Define(attributeInfo);
}
if (baseType != null)
{
nodeType.BaseType = baseType;
}
nodeType.IsAbstract = complexType.IsAbstract;
}
return(nodeType);
}
private XmlAttributeType GetAttributeType(XmlSchemaSimpleType simpleType)
{
XmlAttributeType attributeType;
if (!m_attributeTypes.TryGetValue(simpleType.QualifiedName.ToString(), out attributeType))
{
bool simpleList = simpleType.Content is XmlSchemaSimpleTypeList;
int length = 1;
if (simpleList)
length = Int32.MaxValue; // unbounded, until restricted
List<AttributeRule> rules = null;
XmlSchemaSimpleTypeRestriction restriction = simpleType.Content as XmlSchemaSimpleTypeRestriction;
if (restriction != null)
{
if (restriction.BaseTypeName != null)
{
XmlAttributeType baseType;
m_attributeTypes.TryGetValue(restriction.BaseTypeName.ToString(), out baseType);
if (baseType != null)
length = baseType.Length;
}
foreach (XmlSchemaFacet facet in restriction.Facets)
{
XmlSchemaLengthFacet lengthFacet = facet as XmlSchemaLengthFacet;
if (lengthFacet != null)
{
Int32.TryParse(lengthFacet.Value, out length);
continue;
}
// also handle minLength, maxLength facets in a limited fashion, ie. either one
// will specify the array length
XmlSchemaMinLengthFacet minLengthFacet = facet as XmlSchemaMinLengthFacet;
if (minLengthFacet != null)
{
int minLength;
if (Int32.TryParse(minLengthFacet.Value, out minLength))
length = Math.Max(length, minLength);
continue;
}
XmlSchemaMaxLengthFacet maxLengthFacet = facet as XmlSchemaMaxLengthFacet;
if (maxLengthFacet != null)
{
int maxLength;
if (Int32.TryParse(maxLengthFacet.Value, out maxLength))
length = Math.Max(length, maxLength);
continue;
}
}
rules = GetRules(restriction);
}
string typeName = simpleType.QualifiedName.ToString();
// if xs:IDREF, then the attribute type should be DomNode as this is a reference
Type valueType = simpleType.Datatype.ValueType;
XmlTypeCode xmlTypeCode = simpleType.Datatype.TypeCode;
if (xmlTypeCode == XmlTypeCode.Idref)
{
if (valueType.IsArray)
valueType = typeof(string[]);
else
valueType = typeof(DomNode);
}
// map xs:integer to xs:int (ATGI schema uses xs:integer, which we don't want to map to System.Decimal)
if (xmlTypeCode == XmlTypeCode.Integer)
{
if (valueType.IsArray)
valueType = typeof(Int32[]);
else
valueType = typeof(Int32);
xmlTypeCode = XmlTypeCode.Int;
}
else if (xmlTypeCode == XmlTypeCode.NonNegativeInteger)
{
if (valueType.IsArray)
valueType = typeof(UInt32[]);
else
valueType = typeof(UInt32);
xmlTypeCode = XmlTypeCode.UnsignedInt;
}
// create our extended attribute type
attributeType = new XmlAttributeType(typeName, valueType, length, xmlTypeCode);
m_annotations.Add(attributeType, GetAnnotation(simpleType));
if (rules != null)
{
foreach (AttributeRule rule in rules)
attributeType.AddRule(rule);
}
if (!string.IsNullOrEmpty(typeName))
m_attributeTypes.Add(typeName, attributeType);
}
return attributeType;
}
private XmlAttributeType GetAttributeType(XmlSchemaSimpleType simpleType)
{
XmlAttributeType attributeType;
if (!m_attributeTypes.TryGetValue(simpleType.QualifiedName.ToString(), out attributeType))
{
bool simpleList = simpleType.Content is XmlSchemaSimpleTypeList;
int length = 1;
if (simpleList)
{
length = Int32.MaxValue; // unbounded, until restricted
}
List <AttributeRule> rules = null;
XmlSchemaSimpleTypeRestriction restriction = simpleType.Content as XmlSchemaSimpleTypeRestriction;
if (restriction != null)
{
if (restriction.BaseTypeName != null)
{
XmlAttributeType baseType;
m_attributeTypes.TryGetValue(restriction.BaseTypeName.ToString(), out baseType);
if (baseType != null)
{
length = baseType.Length;
}
}
foreach (XmlSchemaFacet facet in restriction.Facets)
{
XmlSchemaLengthFacet lengthFacet = facet as XmlSchemaLengthFacet;
if (lengthFacet != null)
{
Int32.TryParse(lengthFacet.Value, out length);
continue;
}
// also handle minLength, maxLength facets in a limited fashion, ie. either one
// will specify the array length
XmlSchemaMinLengthFacet minLengthFacet = facet as XmlSchemaMinLengthFacet;
if (minLengthFacet != null)
{
int minLength;
if (Int32.TryParse(minLengthFacet.Value, out minLength))
{
length = Math.Max(length, minLength);
}
continue;
}
XmlSchemaMaxLengthFacet maxLengthFacet = facet as XmlSchemaMaxLengthFacet;
if (maxLengthFacet != null)
{
int maxLength;
if (Int32.TryParse(maxLengthFacet.Value, out maxLength))
{
length = Math.Max(length, maxLength);
}
continue;
}
}
rules = GetRules(restriction);
}
string typeName = simpleType.QualifiedName.ToString();
// if xs:IDREF, then the attribute type should be DomNode as this is a reference
Type valueType = simpleType.Datatype.ValueType;
XmlTypeCode xmlTypeCode = simpleType.Datatype.TypeCode;
if (xmlTypeCode == XmlTypeCode.Idref)
{
if (valueType.IsArray)
{
valueType = typeof(string[]);
}
else
{
valueType = typeof(DomNode);
}
}
// map xs:integer to xs:int (ATGI schema uses xs:integer, which we don't want to map to System.Decimal)
if (xmlTypeCode == XmlTypeCode.Integer)
{
if (valueType.IsArray)
{
valueType = typeof(Int32[]);
}
else
{
valueType = typeof(Int32);
}
xmlTypeCode = XmlTypeCode.Int;
}
else if (xmlTypeCode == XmlTypeCode.NonNegativeInteger)
{
if (valueType.IsArray)
{
valueType = typeof(UInt32[]);
}
else
{
valueType = typeof(UInt32);
}
xmlTypeCode = XmlTypeCode.UnsignedInt;
}
// create our extended attribute type
attributeType = new XmlAttributeType(typeName, valueType, length, xmlTypeCode);
m_annotations.Add(attributeType, GetAnnotation(simpleType));
if (rules != null)
{
foreach (AttributeRule rule in rules)
{
attributeType.AddRule(rule);
}
}
if (!string.IsNullOrEmpty(typeName))
{
m_attributeTypes.Add(typeName, attributeType);
}
}
return(attributeType);
}
private void WalkParticle(XmlSchemaParticle particle, DomNodeType nodeType)
{
XmlSchemaElement element = particle as XmlSchemaElement;
if (element != null)
{
XmlSchemaSimpleType simpleType = element.ElementSchemaType as XmlSchemaSimpleType;
if (simpleType != null &&
element.MaxOccurs == 1)
{
XmlAttributeType attributeType = GetAttributeType(simpleType);
string fieldName = GetFieldName(element.QualifiedName);
XmlAttributeInfo attributeInfo = new XmlAttributeInfo(fieldName, attributeType);
nodeType.Define(attributeInfo);
m_annotations.Add(attributeInfo, GetAnnotation(element));
attributeInfo.IsElement = true;
if (element.DefaultValue != null)
{
if (element.FixedValue != null)
{
throw new InvalidOperationException(string.Format("Schema element {0} cannot have both a default value and a fixed value", element.QualifiedName));
}
attributeInfo.DefaultValue = attributeType.Convert(element.DefaultValue);
}
else if (element.FixedValue != null)
{
attributeInfo.DefaultValue = attributeType.Convert(element.FixedValue);
}
}
else
{
DomNodeType childNodeType = null;
if (simpleType != null)
{
childNodeType = WrapSimpleType(simpleType);
// Add the value attribute
XmlAttributeType valueAttributeType = GetAttributeType(simpleType);
var valueAttributeInfo = new XmlAttributeInfo(string.Empty, valueAttributeType);
childNodeType.Define(valueAttributeInfo);
}
else
{
XmlSchemaComplexType complexType = element.ElementSchemaType as XmlSchemaComplexType;
if (complexType != null)
{
childNodeType = GetNodeType(complexType, element);
}
}
if (childNodeType != null)
{
int minOccurs = (int)Math.Min(element.MinOccurs, Int32.MaxValue);
int maxOccurs = (int)Math.Min(element.MaxOccurs, Int32.MaxValue);
// If <xs:choice> is within a <xs:sequence>, choose the most relaxed constraints.
if (particle.Parent is XmlSchemaChoice &&
particle.Parent.Parent is XmlSchemaSequence)
{
XmlSchemaChoice parent = (XmlSchemaChoice)particle.Parent;
int parentMinOccurs = (int)Math.Min(parent.MinOccurs, Int32.MaxValue);
int parentMaxOccurs = (int)Math.Min(parent.MaxOccurs, Int32.MaxValue);
minOccurs = Math.Min(parentMinOccurs, minOccurs);
maxOccurs = Math.Max(parentMaxOccurs, maxOccurs);
}
ChildInfo childInfo = new ChildInfo(GetFieldName(element.QualifiedName), childNodeType, maxOccurs > 1);
if (minOccurs > 0 || maxOccurs < Int32.MaxValue)
{
childInfo.AddRule(new ChildCountRule(minOccurs, maxOccurs));
}
// Check for substitution groups
if (!element.RefName.IsEmpty)
{
m_refElements.Add(childInfo, element.RefName);
}
nodeType.Define(childInfo);
m_annotations.Add(childInfo, GetAnnotation(element));
}
}
}
else
{
// if sequence, continue collecting elements
XmlSchemaSequence sequence = particle as XmlSchemaSequence;
if (sequence != null)
{
foreach (XmlSchemaParticle subParticle in sequence.Items)
{
WalkParticle(subParticle, nodeType);
}
}
else
{
XmlSchemaChoice choice = particle as XmlSchemaChoice;
if (choice != null)
{
// for now, treat choice as if it were a sequence
foreach (XmlSchemaParticle subParticle in choice.Items)
{
WalkParticle(subParticle, nodeType);
}
}
}
}
}