private void ProcessChoiceGroup(InstanceGroup grp)
{
for (int i = 0; i < grp.Occurs; i++)
{ //Cyclically iterate over the children of choice
ProcessGroup(grp.GetChild(i % grp.NoOfChildren));
}
}
private void GenerateGroupBase(XmlSchemaGroupBase gBase, InstanceGroup grp)
{
foreach (XmlSchemaParticle particle1 in gBase.Items)
{
GenerateParticle(particle1, false, grp);
}
}
private void ProcessGroup(InstanceGroup grp)
{
if (grp is InstanceElement)
{
ProcessElement((InstanceElement)grp);
}
else
{ //Its a group node of sequence or choice
if (!grp.IsChoice)
{
for (int i = 0; i < grp.Occurs; i++)
{
var childGroup = grp.Child;
while (childGroup != null)
{
ProcessGroup(childGroup);
childGroup = childGroup.Sibling;
}
}
}
else
{
ProcessChoiceGroup(grp);
}
}
}
private void GenerateParticle(XmlSchemaParticle particle, bool root, InstanceGroup iGrp)
{
decimal max;
max = particle.MaxOccurs >= maxThreshold ? maxThreshold : particle.MaxOccurs;
max = particle.MinOccurs > max ? particle.MinOccurs : max;
if (particle is XmlSchemaSequence)
{
var seq = (XmlSchemaSequence)particle;
var grp = new InstanceGroup();
grp.Occurs = max;
iGrp.AddChild(grp);
GenerateGroupBase(seq, grp);
}
else if (particle is XmlSchemaChoice)
{
var ch = (XmlSchemaChoice)particle;
if (ch.MaxOccurs == 1)
{
var pt = (XmlSchemaParticle)(ch.Items[0]);
GenerateParticle(pt, false, iGrp);
}
else
{
var grp = new InstanceGroup();
grp.Occurs = max;
grp.IsChoice = true;
iGrp.AddChild(grp);
GenerateGroupBase(ch, grp);
}
}
else if (particle is XmlSchemaAll)
{
GenerateAll((XmlSchemaAll)particle, iGrp);
}
else if (particle is XmlSchemaElement)
{
var elem = particle as XmlSchemaElement;
XmlSchemaChoice ch = null;
if (!elem.RefName.IsEmpty)
{
ch = GetSubstitutionChoice(elem);
}
if (ch != null)
{
GenerateParticle(ch, false, iGrp);
}
else
{
GenerateElement(elem, false, iGrp, null);
}
}
else if (particle is XmlSchemaAny && particle.MinOccurs > 0)
{ //Generate any only if we should
GenerateAny((XmlSchemaAny)particle, iGrp);
}
}
private void GenerateAll(XmlSchemaAll all, InstanceGroup grp)
{
XmlSchemaParticle pt;
for (int i = all.Items.Count; i > 0; i--)
{
pt = (XmlSchemaParticle)(all.Items[i - 1]);
GenerateParticle(pt, false, grp);
}
}
private InstanceElement GetParentInstanceElement(InstanceGroup grp)
{
var elem = grp as InstanceElement;
while (elem == null && grp != null)
{
grp = grp.Parent;
elem = grp as InstanceElement;
}
return(elem);
}
internal void AddChild(InstanceGroup obj)
{
obj.Parent = this;
if (this.child == null)
{ //If first child
this.child = obj;
}
else
{
InstanceGroup prev = null;
var next = this.child;
while (next != null)
{
prev = next;
next = next.Sibling;
}
prev.Sibling = obj;
}
}
private void ProcessChoiceGroup(InstanceGroup grp)
{
for ( int i = 0; i < grp.Occurs; i++ )
{ //Cyclically iterate over the children of choice
ProcessGroup(grp.GetChild(i % grp.NoOfChildren));
}
}
private InstanceElement GetParentInstanceElement(InstanceGroup grp)
{
var elem = grp as InstanceElement;
while ( elem == null && grp != null )
{
grp = grp.Parent;
elem = grp as InstanceElement;
}
return elem;
}
private void GenerateParticle(XmlSchemaParticle particle, bool root, InstanceGroup iGrp)
{
decimal max;
max = particle.MaxOccurs >= maxThreshold ? maxThreshold : particle.MaxOccurs;
max = particle.MinOccurs > max ? particle.MinOccurs : max;
if ( particle is XmlSchemaSequence )
{
var seq = (XmlSchemaSequence)particle;
var grp = new InstanceGroup();
grp.Occurs = max;
iGrp.AddChild(grp);
GenerateGroupBase(seq, grp);
}
else if ( particle is XmlSchemaChoice )
{
var ch = (XmlSchemaChoice)particle;
if ( ch.MaxOccurs == 1 )
{
var pt = (XmlSchemaParticle)( ch.Items[0] );
GenerateParticle(pt, false, iGrp);
}
else
{
var grp = new InstanceGroup();
grp.Occurs = max;
grp.IsChoice = true;
iGrp.AddChild(grp);
GenerateGroupBase(ch, grp);
}
}
else if ( particle is XmlSchemaAll )
{
GenerateAll((XmlSchemaAll)particle, iGrp);
}
else if ( particle is XmlSchemaElement )
{
var elem = particle as XmlSchemaElement;
XmlSchemaChoice ch = null;
if ( !elem.RefName.IsEmpty )
{
ch = GetSubstitutionChoice(elem);
}
if ( ch != null )
{
GenerateParticle(ch, false, iGrp);
}
else
{
GenerateElement(elem, false, iGrp, null);
}
}
else if ( particle is XmlSchemaAny && particle.MinOccurs > 0 )
{ //Generate any only if we should
GenerateAny((XmlSchemaAny)particle, iGrp);
}
}
private void GenerateGroupBase(XmlSchemaGroupBase gBase, InstanceGroup grp)
{
foreach ( XmlSchemaParticle particle1 in gBase.Items )
{
GenerateParticle(particle1, false, grp);
}
}
private bool GenerateElement(XmlSchemaElement e, bool root, InstanceGroup parentElem, XmlSchemaAny any)
{
var eGlobalDecl = e;
if ( !e.RefName.IsEmpty )
{
eGlobalDecl = (XmlSchemaElement)schemaSet.GlobalElements[e.QualifiedName];
}
if ( !eGlobalDecl.IsAbstract )
{
var 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
var 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
{
var 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
var 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;
}
private void GenerateAny(XmlSchemaAny any, InstanceGroup grp)
{
var parentElem = grp as InstanceElement;
var whitespace = new char[] { ' ', '\t', '\n', '\r' };
InstanceElement elem = null;
XmlSchemaElement anyElem = null;
var 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":
var 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. ");
}
}
}
internal void AddChild(InstanceGroup obj)
{
obj.Parent = this;
if ( this.child == null )
{ //If first child
this.child = obj;
}
else
{
InstanceGroup prev = null;
var next = this.child;
while ( next != null )
{
prev = next;
next = next.Sibling;
}
prev.Sibling = obj;
}
}
private void GenerateAny(XmlSchemaAny any, InstanceGroup grp)
{
var parentElem = grp as InstanceElement;
var whitespace = new char[] { ' ', '\t', '\n', '\r' };
InstanceElement elem = null;
XmlSchemaElement anyElem = null;
var 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":
var 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 ProcessGroup(InstanceGroup grp)
{
if ( grp is InstanceElement )
{
ProcessElement((InstanceElement)grp);
}
else
{ //Its a group node of sequence or choice
if ( !grp.IsChoice )
{
for ( int i = 0; i < grp.Occurs; i++ )
{
var childGroup = grp.Child;
while ( childGroup != null )
{
ProcessGroup(childGroup);
childGroup = childGroup.Sibling;
}
}
}
else
{
ProcessChoiceGroup(grp);
}
}
}
private void GenerateAll(XmlSchemaAll all, InstanceGroup grp)
{
XmlSchemaParticle pt;
for ( int i = all.Items.Count; i > 0; i-- )
{
pt = (XmlSchemaParticle)( all.Items[i - 1] );
GenerateParticle(pt, false, grp);
}
}
private bool GenerateElement(XmlSchemaElement e, bool root, InstanceGroup parentElem, XmlSchemaAny any)
{
var eGlobalDecl = e;
if (!e.RefName.IsEmpty)
{
eGlobalDecl = (XmlSchemaElement)schemaSet.GlobalElements[e.QualifiedName];
}
if (!eGlobalDecl.IsAbstract)
{
var 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
var 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
{
var 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
var 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);
}
