private void ProcessComment(InstanceElement elem)
{
if (elem.Comment.Length > 0)
{
_writer.WriteComment(elem.Comment.ToString());
}
}
private void CheckIfMixed(InstanceElement mixedElem)
{
if (mixedElem.IsMixed)
{
_writer.WriteString("text");
}
}
private void ProcessElement(InstanceElement elem)
{
if (_instanceElementsProcessed[elem] != null)
{
return;
}
_instanceElementsProcessed.Add(elem, elem);
for (int i = 0; i < elem.Occurs; i++)
{
_writer.WriteStartElement(elem.QualifiedName.Name, elem.QualifiedName.Namespace);
ProcessElementAttrs(elem);
ProcessComment(elem);
CheckIfMixed(elem);
if (elem.IsNillable)
{
if (elem.GenNil)
{
WriteNillable();
elem.GenNil = false;
_writer.WriteEndElement();
continue;
}
else
{
elem.GenNil = true;
}
}
if (elem.ValueGenerator != null)
{
if (elem.IsFixed)
{
_writer.WriteString(elem.FixedValue);
}
else if (elem.HasDefault)
{
_writer.WriteString(elem.DefaultValue);
}
else
{
_writer.WriteString(elem.ValueGenerator.GenerateValue());
}
}
else
{
InstanceGroup childGroup = elem.Child;
while (childGroup != null)
{
ProcessGroup(childGroup);
childGroup = childGroup.Sibling;
}
}
_writer.WriteEndElement();
}
_instanceElementsProcessed.Remove(elem);
}
internal InstanceElement Clone(decimal occurs)
{
InstanceElement newElem = (InstanceElement)MemberwiseClone();
newElem.Occurs = occurs;
newElem.Child = null;
newElem.Parent = null;
newElem.Sibling = null;
return(newElem);
}
private InstanceElement GetParentInstanceElement(InstanceGroup grp)
{
InstanceElement elem = grp as InstanceElement;
while (elem == null && grp != null)
{
grp = grp.Parent;
elem = grp as InstanceElement;
}
return(elem);
}
private void GenerateAttribute(XmlSchemaObjectTable attributes, InstanceElement elem)
{
IDictionaryEnumerator ienum = attributes.GetEnumerator();
while (ienum.MoveNext())
{
if (ienum.Value is XmlSchemaAttribute)
{
GenerateInstanceAttribute((XmlSchemaAttribute)ienum.Value, elem);
}
}
}
private void ProcessElementAttrs(InstanceElement elem)
{
if (elem.XsiType != XmlQualifiedName.Empty)
{
if (elem.XsiType.Namespace != string.Empty)
{
_writer.WriteStartAttribute("xsi", "type", null);
_writer.WriteQualifiedName(elem.XsiType.Name, elem.XsiType.Namespace);
_writer.WriteEndAttribute();
}
else
{
_writer.WriteAttributeString("xsi", "type", null, elem.XsiType.Name);
}
}
InstanceAttribute attr = elem.FirstAttribute;
while (attr != null)
{
if (attr.AttrUse != XmlSchemaUse.Prohibited)
{
if (attr.QualifiedName.Namespace == NsXml)
{
_writer.WriteStartAttribute("xml", attr.QualifiedName.Name, attr.QualifiedName.Namespace);
}
else
{
_writer.WriteStartAttribute(attr.QualifiedName.Name, attr.QualifiedName.Namespace);
}
if (attr.HasDefault)
{
_writer.WriteString(attr.DefaultValue);
}
else if (attr.IsFixed)
{
_writer.WriteString(attr.FixedValue);
}
else
{
_writer.WriteString(attr.ValueGenerator.GenerateValue());
}
_writer.WriteEndAttribute();
}
attr = attr.NextAttribute;
}
}
private void GenerateInstanceAttribute(XmlSchemaAttribute attr, InstanceElement elem)
{
if (attr.Use == XmlSchemaUse.Prohibited || attr.AttributeSchemaType == null)
{
return;
}
InstanceAttribute iAttr = new InstanceAttribute(attr.QualifiedName);
iAttr.DefaultValue = attr.DefaultValue;
iAttr.FixedValue = attr.FixedValue;
iAttr.AttrUse = attr.Use;
iAttr.ValueGenerator = XmlValueGenerator.CreateGenerator(attr.AttributeSchemaType.Datatype, _listLength);
if (iAttr.ValueGenerator != null && iAttr.ValueGenerator.Prefix == null)
{
iAttr.ValueGenerator.Prefix = iAttr.QualifiedName.Name;
}
elem.AddAttribute(iAttr);
}
private void ProcessInstanceTree(InstanceElement rootElement)
{
if (rootElement != null)
{
_instanceElementsProcessed.Add(rootElement, rootElement);
_writer.WriteStartElement(rootElement.QualifiedName.Name, _rootTargetNamespace);
_writer.WriteAttributeString("xmlns", "xsi", null, NsXsi);
ProcessElementAttrs(rootElement);
ProcessComment(rootElement);
CheckIfMixed(rootElement);
if (rootElement.ValueGenerator != null)
{
if (rootElement.IsFixed)
{
_writer.WriteString(rootElement.FixedValue);
}
else if (rootElement.HasDefault)
{
_writer.WriteString(rootElement.DefaultValue);
}
else
{
_writer.WriteString(rootElement.ValueGenerator.GenerateValue());
}
}
else
{
InstanceGroup group = rootElement.Child;
while (group != null)
{
ProcessGroup(group);
group = group.Sibling;
}
}
_writer.WriteEndElement();
}
else
{
_writer.WriteComment("Schema did not lead to generation of a valid XML document");
}
}
private void ProcessComplexType(XmlSchemaComplexType ct, InstanceElement elem)
{
if (ct.ContentModel != null && ct.ContentModel is XmlSchemaSimpleContent)
{
elem.ValueGenerator = XmlValueGenerator.CreateGenerator(ct.Datatype, _listLength);
}
else
{
GenerateParticle(ct.ContentTypeParticle, false, elem);
}
//Check for attribute wild card
if (ct.AttributeWildcard != null)
{
GenerateAttributeWildCard(ct, elem);
}
//Check for attributes if simple/complex content
if (ct.AttributeUses.Count > 0)
{
GenerateAttribute(ct.AttributeUses, elem);
}
}
private void GenerateAny(XmlSchemaAny any, InstanceGroup grp)
{
InstanceElement parentElem = grp as InstanceElement;
char[] whitespace = new char[] { ' ', '\t', '\n', '\r' };
InstanceElement elem = null;
XmlSchemaElement anyElem = null;
string namespaceList = any.Namespace;
if (namespaceList == null)
{ //no namespace defaults to "##any"
namespaceList = "##any";
}
if (any.ProcessContents == XmlSchemaContentProcessing.Skip || any.ProcessContents == XmlSchemaContentProcessing.Lax)
{
if (namespaceList == "##any" || namespaceList == "##targetNamespace")
{
elem = new InstanceElement(new XmlQualifiedName("any_element", _rootTargetNamespace));
}
else if (namespaceList == "##local")
{
elem = new InstanceElement(new XmlQualifiedName("any_element", string.Empty));
}
else if (namespaceList == "##other")
{
elem = new InstanceElement(new XmlQualifiedName("any_element", "otherNS"));
}
if (elem != null)
{
elem.ValueGenerator = XmlValueGenerator.AnyGenerator;
elem.Occurs = any.MaxOccurs >= _maxThreshold ? _maxThreshold : any.MaxOccurs;
elem.Occurs = any.MinOccurs > elem.Occurs ? any.MinOccurs : elem.Occurs;
grp.AddChild(elem);
return;
}
}
//ProcessContents = strict || namespaceList is actually a list of namespaces
switch (namespaceList)
{
case "##any":
case "##targetNamespace":
anyElem = GetElementFromNS(_rootTargetNamespace);
break;
case "##other":
XmlSchema anySchema = GetParentSchema(any);
anyElem = GetElementFromNS(anySchema.TargetNamespace, true);
break;
case "##local": //Shd get local elements in some schema
anyElem = GetElementFromNS(string.Empty);
break;
default:
foreach (string ns in namespaceList.Split(whitespace))
{
if (ns == "##targetNamespace")
{
anyElem = GetElementFromNS(_rootTargetNamespace);
}
else if (ns == "##local")
{
anyElem = GetElementFromNS(string.Empty);
}
else
{
anyElem = GetElementFromNS(ns);
}
if (anyElem != null)
{ //found a match
break;
}
}
break;
}
if (anyElem != null && GenerateElement(anyElem, false, grp, any))
{
return;
}
else
{ //Write comment in generated XML that match for wild card cd not be found.
if (parentElem == null)
{
parentElem = GetParentInstanceElement(grp);
}
if (parentElem.Comment.Length == 0)
{ //For multiple wildcards in the same element, generate comment only once
parentElem.Comment.Append(" Element Wild card could not be matched. Generated XML may not be valid. ");
}
}
}
private void GenerateAttributeWildCard(XmlSchemaComplexType ct, InstanceElement elem)
{
char[] whitespace = new char[] { ' ', '\t', '\n', '\r' };
InstanceAttribute attr = null;
XmlSchemaAttribute anyAttr = null;
XmlSchemaAnyAttribute attributeWildCard = ct.AttributeWildcard;
XmlSchemaObjectTable attributes = ct.AttributeUses;
string namespaceList = attributeWildCard.Namespace;
if (namespaceList == null)
{
namespaceList = "##any";
}
if (attributeWildCard.ProcessContents == XmlSchemaContentProcessing.Skip || attributeWildCard.ProcessContents == XmlSchemaContentProcessing.Lax)
{
if (namespaceList == "##any" || namespaceList == "##targetNamespace")
{
attr = new InstanceAttribute(new XmlQualifiedName("any_Attr", _rootTargetNamespace));
}
else if (namespaceList == "##local")
{
attr = new InstanceAttribute(new XmlQualifiedName("any_Attr", string.Empty));
}
else if (namespaceList == "##other")
{
attr = new InstanceAttribute(new XmlQualifiedName("any_Attr", "otherNS"));
}
if (attr != null)
{
attr.ValueGenerator = XmlValueGenerator.AnySimpleTypeGenerator;
elem.AddAttribute(attr);
return;
}
}
switch (namespaceList)
{
case "##any":
case "##targetNamespace":
anyAttr = GetAttributeFromNS(_rootTargetNamespace, attributes);
break;
case "##other":
XmlSchema anySchema = GetParentSchema(attributeWildCard);
anyAttr = GetAttributeFromNS(anySchema.TargetNamespace, true, attributes);
break;
case "##local": //Shd get local elements in some schema
anyAttr = GetAttributeFromNS(string.Empty, attributes);
break;
default:
foreach (string ns in attributeWildCard.Namespace.Split(whitespace))
{
if (ns == "##local")
{
anyAttr = GetAttributeFromNS(string.Empty, attributes);
}
else if (ns == "##targetNamespace")
{
anyAttr = GetAttributeFromNS(_rootTargetNamespace, attributes);
}
else
{
anyAttr = GetAttributeFromNS(ns, attributes);
}
if (anyAttr != null)
{ //Found match
break;
}
}
break;
}
if (anyAttr != null)
{
GenerateInstanceAttribute(anyAttr, elem);
}
else
{ //Write comment in generated XML that match for wild card cd not be found.
if (elem.Comment.Length == 0)
{ //For multiple attribute wildcards in the same element, generate comment only once
elem.Comment.Append(" Attribute Wild card could not be matched. Generated XML may not be valid. ");
}
}
}
private bool GenerateElement(XmlSchemaElement e, bool root, InstanceGroup parentElem, XmlSchemaAny any)
{
XmlSchemaElement eGlobalDecl = e;
if (!e.RefName.IsEmpty)
{
eGlobalDecl = (XmlSchemaElement)_schemaSet.GlobalElements[e.QualifiedName];
}
if (!eGlobalDecl.IsAbstract)
{
InstanceElement elem = (InstanceElement)_elementTypesProcessed[eGlobalDecl];
if (elem != null)
{
Debug.Assert(!root);
if (any == null && e.MinOccurs > 0)
{ //If not generating for any or optional ref to cyclic global element
decimal occurs = e.MaxOccurs;
if (e.MaxOccurs >= _maxThreshold)
{
occurs = _maxThreshold;
}
if (e.MinOccurs > occurs)
{
occurs = e.MinOccurs;
}
parentElem.AddChild(elem.Clone(occurs));
}
return(false);
}
elem = new InstanceElement(eGlobalDecl.QualifiedName);
if (root)
{
_instanceRoot = elem;
}
else
{
parentElem.AddChild(elem);
}
//Get minOccurs, maxOccurs alone from the current particle, everything else pick up from globalDecl
if (any != null)
{ //Element from any
elem.Occurs = any.MaxOccurs >= _maxThreshold ? _maxThreshold : any.MaxOccurs;
elem.Occurs = any.MinOccurs > elem.Occurs ? any.MinOccurs : elem.Occurs;
}
else
{
elem.Occurs = e.MaxOccurs >= _maxThreshold ? _maxThreshold : e.MaxOccurs;
elem.Occurs = e.MinOccurs > elem.Occurs ? e.MinOccurs : elem.Occurs;
}
elem.DefaultValue = eGlobalDecl.DefaultValue;
elem.FixedValue = eGlobalDecl.FixedValue;
elem.IsNillable = eGlobalDecl.IsNillable;
if (eGlobalDecl.ElementSchemaType == _anyType)
{
elem.ValueGenerator = XmlValueGenerator.AnyGenerator;
}
else
{
XmlSchemaComplexType ct = eGlobalDecl.ElementSchemaType as XmlSchemaComplexType;
if (ct != null)
{
_elementTypesProcessed.Add(eGlobalDecl, elem);
if (!ct.IsAbstract)
{
elem.IsMixed = ct.IsMixed;
ProcessComplexType(ct, elem);
}
else
{ // Ct is abstract, need to generate instance elements with xsi:type
XmlSchemaComplexType dt = GetDerivedType(ct);
if (dt != null)
{
elem.XsiType = dt.QualifiedName;
ProcessComplexType(dt, elem);
}
}
}
else
{ //elementType is XmlSchemaSimpleType
elem.ValueGenerator = XmlValueGenerator.CreateGenerator(eGlobalDecl.ElementSchemaType.Datatype, _listLength);
}
}
if (elem.ValueGenerator != null && elem.ValueGenerator.Prefix == null)
{
elem.ValueGenerator.Prefix = elem.QualifiedName.Name;
}
return(true);
} // End of e.IsAbstract
return(false);
}
