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/*
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* JBind
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*
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* Copyright (c) by Stefan Wachter. All rights reserved.
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*
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* Usage, modification, and redistribution is subject to license terms that are
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* available at 'http://www.jbind.org'. The JBind license is like the
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* 'Apache Software License V 1.1'.
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*/
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package org.jbind.xml.schema.cmp;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import org.jbind.xml.base.IRange;
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import org.jbind.xml.base.IRef;
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import org.jbind.xml.base.ISymbolspace;
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import org.jbind.xml.base.ISymbolspaces;
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import org.jbind.xml.base.Range;
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import org.jbind.xml.core.base.IKeyStore;
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import org.jbind.xml.core.cmp.ISourceInfo;
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import org.jbind.xml.core.constraint.IElementIdentityConstraint;
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import org.jbind.xml.core.content.IElemGroupDesc;
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import org.jbind.xml.core.content.IElemRefOrDecl;
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import org.jbind.xml.core.content.IUseState;
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import org.jbind.xml.core.data.IAnyTypeData;
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import org.jbind.xml.core.data.ISimpleData;
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import org.jbind.xml.instance.use.ElemRefOrDeclUseState;
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import org.jbind.xml.msg.IConstraintViolations;
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import org.jbind.xml.msg.XmlMessages;
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public abstract class ElemRefOrDecl extends ElemDesc implements IElemRefOrDecl {
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protected ISimpleData myDefault = null;
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protected ISimpleData myFixed = null;
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protected String myDefaultTextContent = null;
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private List myIdentityConstraints = null;
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public ElemRefOrDecl(ISourceInfo aSourceInfo, String aNamespace, String aName, IRange aRange) {
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super(aSourceInfo, aNamespace, aName, aRange);
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}
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public ISymbolspace getSymbolspace() {
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return ISymbolspaces.ELEMENT;
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}
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public void validate(IConstraintViolations aViolations) {}
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public IUseState createUseState(IUseState aParent) {
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return new ElemRefOrDeclUseState(this, aParent);
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}
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public IRange getRange(IRef aRef) {
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IRange res = null;
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if (null == aRef) {
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res = getRange();
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} else {
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IRef r = getGlobalRef();
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if (aRef.getNamespace().equals(r.getNamespace()) && aRef.getLocalPart().equals(r.getLocalPart())) {
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res = getRange();
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} else {
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res = Range.ZERO;
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}
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}
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return res;
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}
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public ISimpleData getDefault() {
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return myDefault;
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}
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public ISimpleData getFixed() {
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return myFixed;
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}
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public String getDefaultTextContent() {
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return (null != myDefaultTextContent) ? myDefaultTextContent : ((null != getDefault()) ? getDefault().getCanonicalForm_() : null);
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}
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public void add(IElementIdentityConstraint aConstraint) {
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if (null == myIdentityConstraints) {
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myIdentityConstraints = new ArrayList();
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}
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myIdentityConstraints.add(aConstraint);
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}
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public Iterator iterIdentityConstraints() {
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Iterator res = null;
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if (null == myIdentityConstraints) {
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res = Collections.EMPTY_LIST.iterator();
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} else {
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res = myIdentityConstraints.iterator();
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}
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return res;
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}
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public void checkIdentityConstraints(IAnyTypeData aData, IKeyStore anElementKeys, IConstraintViolations aViolations) {
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for (Iterator i = iterIdentityConstraints(); i.hasNext(); ) {
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IElementIdentityConstraint c = (IElementIdentityConstraint)i.next();
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c.checkElementKeys(anElementKeys, aData, aViolations);
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}
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}
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public void collectElemDescs(Map anElementDecls, List anElemWildcards, IConstraintViolations aViolations) {
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IElemRefOrDecl old = (IElemRefOrDecl)anElementDecls.put(getGlobalRef(), this);
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if (null != old) {
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if (getType() != old.getType()) {
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aViolations.add(XmlMessages.elementsMustHaveSameType(getGlobalRef(), this));
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}
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if (((getDefault() != null) && !getDefault().equals(old.getDefault())) || ((getDefault() == null) && (old.getDefault() != null)) || ((getFixed() != null) && !getFixed().equals(old.getFixed())) || ((getFixed() == null) && (old.getFixed() != null))) {
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aViolations.add(XmlMessages.elementsMustHaveSameFixedOrDefault(getGlobalRef(), this));
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}
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}
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}
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public void replaceSubstitutions(IElemGroupDesc aParent) {
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Iterator i = iterSubstitutes();
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if (!i.hasNext()) {
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aParent.add(this);
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} else {
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// create a choice group that contains this element and all elements that
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// can be substituted for this element.
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ChoiceDecl choice = new ChoiceDecl(this, null, null, getRange());
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aParent.add(choice);
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// add the head of the substitution group
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choice.add(new ElemRef(this, Range.ONE));
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// add uses for all substitutable declarations
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while (i.hasNext()) {
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IElemRefOrDecl c = (IElemRefOrDecl)i.next();
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choice.add(c);
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}
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}
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}
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protected void doAddToParentWithNewRange(IRange aRange, IElemGroupDesc aParent) {
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aParent.add(new ElemRef(this, aRange));
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}
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}
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