internal static bool HasParticleRef(XmlSchemaParticle particle, XmlSchema parentSchema)
{
XmlSchemaGroupBase groupBase = particle as XmlSchemaGroupBase;
if (groupBase != null)
{
bool foundRef = false;
int i = 0;
while (i < groupBase.Items.Count && !foundRef)
{
XmlSchemaParticle p = (XmlSchemaParticle)groupBase.Items[i++];
if (p is XmlSchemaGroupRef)
{
foundRef = true;
}
else
{
XmlSchemaElement elem = p as XmlSchemaElement;
// This is the same condition as in the CloneParticle method
// that's on purpose. This method is used to determine if we need to clone the whole particle.
// If we do, then the CloneParticle is called and it will try to clone only
// those elements which need cloning - and those are the ones matching this condition.
if (elem != null && (!elem.RefName.IsEmpty || !elem.SchemaTypeName.IsEmpty ||
GetResolvedElementForm(parentSchema, elem) == XmlSchemaForm.Qualified))
{
foundRef = true;
}
else
{
foundRef = HasParticleRef(p, parentSchema);
}
}
}
return(foundRef);
}
else if (particle is XmlSchemaGroupRef)
{
return(true);
}
return(false);
}
internal static XmlSchemaParticle CloneParticle(XmlSchemaParticle particle, XmlSchema parentSchema)
{
XmlSchemaGroupBase groupBase = particle as XmlSchemaGroupBase;
if (groupBase != null)
{ //Choice or sequence
XmlSchemaGroupBase newGroupBase = groupBase;
XmlSchemaObjectCollection newGroupbaseParticles = CloneGroupBaseParticles(groupBase.Items, parentSchema);
newGroupBase = (XmlSchemaGroupBase)groupBase.Clone();
newGroupBase.SetItems(newGroupbaseParticles);
return(newGroupBase);
}
else if (particle is XmlSchemaGroupRef)
{ // group ref
XmlSchemaGroupRef newGroupRef = (XmlSchemaGroupRef)particle.Clone();
newGroupRef.RefName = newGroupRef.RefName.Clone();
return(newGroupRef);
}
else
{
XmlSchemaElement oldElem = particle as XmlSchemaElement;
// If the particle is an element and one of the following is true:
// - it references another element by name
// - it references its type by name
// - it's form (effective) is qualified (meaning it will inherint namespace from chameleon includes if that happens)
// then the element itself needs to be cloned.
if (oldElem != null && (!oldElem.RefName.IsEmpty || !oldElem.SchemaTypeName.IsEmpty ||
GetResolvedElementForm(parentSchema, oldElem) == XmlSchemaForm.Qualified))
{
XmlSchemaElement newElem = (XmlSchemaElement)oldElem.Clone(parentSchema);
return(newElem);
}
}
return(particle);
}
internal void SetParticle(XmlSchemaGroupBase value)
{
_particle = value;
}
