RelaxngPattern CreatePatternFromParticle(XmlSchemaParticle xsdp)
{
RelaxngSingleContentPattern rngp = null;
if (xsdp.MinOccurs == 0 && xsdp.MaxOccursString == "unbounded")
{
rngp = new RelaxngZeroOrMore();
}
else if (xsdp.MinOccurs == 1 && xsdp.MaxOccursString == "unbounded")
{
rngp = new RelaxngOneOrMore();
}
else if (xsdp.MinOccurs == 0)
{
rngp = new RelaxngOptional();
}
RelaxngPattern child = CreatePatternFromParticleCore(xsdp);
if (rngp == null)
{
return(child);
}
rngp.Patterns.Add(child);
return(rngp);
}
// Note that it does not return the changed sequence.
private RelaxngSingleContentPattern ToSequenceOfChoice(
RelaxngElement ct, RelaxngGroup s)
{
RelaxngSingleContentPattern scp =
laxOccurence ?
(RelaxngSingleContentPattern)
new RelaxngZeroOrMore() :
new RelaxngOneOrMore();
RelaxngChoice c = new RelaxngChoice();
foreach (RelaxngPattern p in s.Patterns)
{
c.Patterns.Add(p);
}
scp.Patterns.Add(c);
ct.Patterns.Clear();
ct.Patterns.Add(scp);
return(scp);
}
private void ProcessLax(RelaxngSingleContentPattern scp)
{
RelaxngChoice c = (RelaxngChoice)scp.Patterns [0];
foreach (RelaxngPattern p in c.Patterns)
{
RelaxngRef el = p as RelaxngRef;
if (el == null)
{
RelaxngOneOrMore oom =
(RelaxngOneOrMore)p;
el = (RelaxngRef)oom.Patterns [0];
}
if (el == null)
{
throw Error(c, String.Format("Target pattern contains unacceptable child pattern {0}. Only ref is allowed here."));
}
if (ElementMatches(el))
{
InferElement(el, false);
return;
}
}
// append a new element particle to lax term.
QName qname = new QName(
source.LocalName, source.NamespaceURI);
RelaxngDefine def = GetGlobalElement(qname);
if (def == null)
{
def = CreateGlobalElement(qname); // used to be CreateElement().
InferElement(def, true);
}
else
{
InferElement(def, false);
}
RelaxngRef nel = new RelaxngRef();
nel.Name = def.Name;
c.Patterns.Add(nel);
}
