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package com.sun.tools.xjc.reader.relaxng;
import java.util.HashSet;
import java.util.Set;
import com.sun.tools.xjc.model.CClassInfo;
import com.sun.tools.xjc.model.CElementPropertyInfo;
import com.sun.tools.xjc.model.CReferencePropertyInfo;
import com.sun.tools.xjc.model.CTypeInfo;
import com.sun.tools.xjc.model.CTypeRef;
import com.sun.tools.xjc.model.Multiplicity;
import com.sun.tools.xjc.reader.RawTypeSet;
import com.sun.xml.bind.v2.model.core.ID;
import org.kohsuke.rngom.digested.DAttributePattern;
import org.kohsuke.rngom.digested.DElementPattern;
import org.kohsuke.rngom.digested.DOneOrMorePattern;
import org.kohsuke.rngom.digested.DPattern;
import org.kohsuke.rngom.digested.DPatternWalker;
import org.kohsuke.rngom.digested.DZeroOrMorePattern;
/**
* Builds {@link RawTypeSet} for RELAX NG.
*
* @author Kohsuke Kawaguchi
*/
public final class RawTypeSetBuilder extends DPatternWalker {
public static RawTypeSet build( RELAXNGCompiler compiler, DPattern contentModel, Multiplicity mul ) {
RawTypeSetBuilder builder = new RawTypeSetBuilder(compiler,mul);
contentModel.accept(builder);
return builder.create();
}
/**
* Multiplicity of the property.
*/
private Multiplicity mul;
/**
* Accumulates discovered {@link RawTypeSet.Ref}s.
*/
private final Set<RawTypeSet.Ref> refs = new HashSet<RawTypeSet.Ref>();
private final RELAXNGCompiler compiler;
public RawTypeSetBuilder(RELAXNGCompiler compiler,Multiplicity mul) {
this.mul = mul;
this.compiler = compiler;
}
private RawTypeSet create() {
return new RawTypeSet(refs,mul);
}
public Void onAttribute(DAttributePattern p) {
// attributes form their own properties
return null;
}
public Void onElement(DElementPattern p) {
CTypeInfo[] tis = compiler.classes.get(p);
if(tis!=null) {
for( CTypeInfo ti : tis )
refs.add(new CClassInfoRef((CClassInfo)ti));
} else {
// TODO
assert false;
}
return null;
}
public Void onZeroOrMore(DZeroOrMorePattern p) {
mul = mul.makeRepeated();
return super.onZeroOrMore(p);
}
public Void onOneOrMore(DOneOrMorePattern p) {
mul = mul.makeRepeated();
return super.onOneOrMore(p);
}
/**
* For {@link CClassInfo}s that map to elements.
*/
private static final class CClassInfoRef extends RawTypeSet.Ref {
private final CClassInfo ci;
CClassInfoRef(CClassInfo ci) {
this.ci = ci;
assert ci.isElement();
}
protected ID id() {
return ID.NONE;
}
protected boolean isListOfValues() {
return false;
}
protected RawTypeSet.Mode canBeType(RawTypeSet parent) {
return RawTypeSet.Mode.SHOULD_BE_TYPEREF;
}
protected void toElementRef(CReferencePropertyInfo prop) {
prop.getElements().add(ci);
}
protected CTypeRef toTypeRef(CElementPropertyInfo ep) {
return new CTypeRef(ci,ci.getElementName(),ci.getTypeName(),false,null);
}
}
}