xsdcomplextypetraverser.java

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/*
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 2001-2003 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Xerces" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact [e-mail].
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 * 5. Products derived from this software may not be called "Apache",
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 *
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 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation and was
 * originally based on software copyright (c) 2001, International
 * Business Machines, Inc., http://www.apache.org.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */
package com.sun.org.apache.xerces.internal.impl.xs.traversers;

import com.sun.org.apache.xerces.internal.impl.dv.InvalidDatatypeFacetException;
import com.sun.org.apache.xerces.internal.impl.dv.SchemaDVFactory;
import com.sun.org.apache.xerces.internal.impl.dv.XSFacets;
import com.sun.org.apache.xerces.internal.impl.dv.XSSimpleType;
import com.sun.org.apache.xerces.internal.impl.xs.SchemaGrammar;
import com.sun.org.apache.xerces.internal.impl.xs.SchemaSymbols;
import com.sun.org.apache.xerces.internal.impl.xs.XSAnnotationImpl;
import com.sun.org.apache.xerces.internal.impl.xs.XSAttributeGroupDecl;
import com.sun.org.apache.xerces.internal.impl.xs.XSAttributeUseImpl;
import com.sun.org.apache.xerces.internal.impl.xs.XSComplexTypeDecl;
import com.sun.org.apache.xerces.internal.impl.xs.XSConstraints;
import com.sun.org.apache.xerces.internal.impl.xs.XSModelGroupImpl;
import com.sun.org.apache.xerces.internal.impl.xs.XSParticleDecl;
import com.sun.org.apache.xerces.internal.impl.xs.XSWildcardDecl;
import com.sun.org.apache.xerces.internal.xs.XSAttributeUse;
import com.sun.org.apache.xerces.internal.xs.XSConstants;
import com.sun.org.apache.xerces.internal.xs.XSObjectList;
import com.sun.org.apache.xerces.internal.xs.XSTypeDefinition;
import com.sun.org.apache.xerces.internal.impl.xs.util.XInt;
import com.sun.org.apache.xerces.internal.impl.xs.util.XSObjectListImpl;
import com.sun.org.apache.xerces.internal.util.DOMUtil;
import com.sun.org.apache.xerces.internal.xni.QName;
import org.w3c.dom.Element;

/**
 * A complex type definition schema component traverser.
 *
 * <complexType
 *   abstract = boolean : false
 *   block = (#all | List of (extension | restriction))
 *   final = (#all | List of (extension | restriction))
 *   id = ID
 *   mixed = boolean : false
 *   name = NCName
 *   {any attributes with non-schema namespace . . .}>
 *   Content: (annotation?, (simpleContent | complexContent |
 *            ((group | all | choice | sequence)?,
 *            ((attribute | attributeGroup)*, anyAttribute?))))
 * </complexType>
 * @version $Id: XSDComplexTypeTraverser.java,v 1.41 2003/11/11 20:15:00 sandygao Exp $
 */

class  XSDComplexTypeTraverser extends XSDAbstractParticleTraverser {

    // size of stack to hold globals:
    private final static int GLOBAL_NUM = 11;

    // globals for building XSComplexTypeDecls
    private String fName = null;
    private String fTargetNamespace = null;
    private short fDerivedBy = XSConstants.DERIVATION_RESTRICTION;
    private short fFinal = XSConstants.DERIVATION_NONE;
    private short fBlock = XSConstants.DERIVATION_NONE;
    private short fContentType = XSComplexTypeDecl.CONTENTTYPE_EMPTY;
    private XSTypeDefinition fBaseType = null;
    private XSAttributeGroupDecl fAttrGrp = null;
    private XSSimpleType fXSSimpleType = null;
    private XSParticleDecl fParticle = null;
    private boolean fIsAbstract = false;
    private XSComplexTypeDecl fComplexTypeDecl = null;
    private XSAnnotationImpl [] fAnnotations = null;

    private XSParticleDecl fEmptyParticle = null;

    // our own little stack to retain state when getGlobalDecls is called:
    private Object [] fGlobalStore = null;
    private int fGlobalStorePos = 0;

    XSDComplexTypeTraverser (XSDHandler handler,
                             XSAttributeChecker gAttrCheck) {
        super(handler, gAttrCheck);
    }


    private static final boolean DEBUG=false;

    private SchemaDVFactory schemaFactory = SchemaDVFactory.getInstance();

    private class ComplexTypeRecoverableError extends Exception {

        Object[] errorSubstText=null;
        Element  errorElem = null;
        ComplexTypeRecoverableError() {
            super();
        }
        ComplexTypeRecoverableError(String msgKey, Object[] args, Element e) {
            super(msgKey);
            errorSubstText=args;
            errorElem = e;
        }

    }

    /**
     * Traverse local complexType declarations
     *
     * @param Element
     * @param XSDocumentInfo
     * @param SchemaGrammar
     * @return XSComplexTypeDecl
     */
    XSComplexTypeDecl traverseLocal(Element complexTypeNode,
                                    XSDocumentInfo schemaDoc,
                                    SchemaGrammar grammar) {


        Object[] attrValues = fAttrChecker.checkAttributes(complexTypeNode, false,
                                                           schemaDoc);
        String complexTypeName = genAnonTypeName(complexTypeNode);
        contentBackup();
        XSComplexTypeDecl type = traverseComplexTypeDecl (complexTypeNode,
                                                          complexTypeName, attrValues, schemaDoc, grammar);
        contentRestore();
        // need to add the type to the grammar for later constraint checking
        grammar.addComplexTypeDecl(type, fSchemaHandler.element2Locator(complexTypeNode));
        type.setIsAnonymous();
        fAttrChecker.returnAttrArray(attrValues, schemaDoc);

        return type;
    }

    /**
     * Traverse global complexType declarations
     *
     * @param Element
     * @param XSDocumentInfo
     * @param SchemaGrammar
     * @return XSComplexTypeDecXSComplexTypeDecl
     */
    XSComplexTypeDecl traverseGlobal (Element complexTypeNode,
                                      XSDocumentInfo schemaDoc,
                                      SchemaGrammar grammar) {

        Object[] attrValues = fAttrChecker.checkAttributes(complexTypeNode, true,
                                                           schemaDoc);
        String complexTypeName = (String)  attrValues[XSAttributeChecker.ATTIDX_NAME];
        contentBackup();
        XSComplexTypeDecl type = traverseComplexTypeDecl (complexTypeNode,
                                                          complexTypeName, attrValues, schemaDoc, grammar);
        contentRestore();
        if (complexTypeName == null) {
            reportSchemaError("s4s-att-must-appear", new Object[]{SchemaSymbols.ELT_COMPLEXTYPE, SchemaSymbols.ATT_NAME}, complexTypeNode);
        } else {
            grammar.addGlobalTypeDecl(type);
        }
        // need to add the type to the grammar for later constraint checking
        grammar.addComplexTypeDecl(type, fSchemaHandler.element2Locator(complexTypeNode));
        fAttrChecker.returnAttrArray(attrValues, schemaDoc);

        return type;
    }


    private XSComplexTypeDecl traverseComplexTypeDecl(Element complexTypeDecl,
                                                      String complexTypeName,
                                                      Object[] attrValues,
                                                      XSDocumentInfo schemaDoc,
                                                      SchemaGrammar grammar) {

        fComplexTypeDecl = new XSComplexTypeDecl();
        fAttrGrp = new XSAttributeGroupDecl();
        Boolean abstractAtt  = (Boolean) attrValues[XSAttributeChecker.ATTIDX_ABSTRACT];
        XInt    blockAtt     = (XInt)    attrValues[XSAttributeChecker.ATTIDX_BLOCK];
        Boolean mixedAtt     = (Boolean) attrValues[XSAttributeChecker.ATTIDX_MIXED];
        XInt    finalAtt     = (XInt)    attrValues[XSAttributeChecker.ATTIDX_FINAL];

        fName = complexTypeName;
        fComplexTypeDecl.setName(fName);
        fTargetNamespace = schemaDoc.fTargetNamespace;

        fBlock = blockAtt == null ? schemaDoc.fBlockDefault : blockAtt.shortValue();
        fFinal = finalAtt == null ? schemaDoc.fFinalDefault : finalAtt.shortValue();
        //discard valid Block/Final 'Default' values that are invalid for Block/Final
        fBlock &= (XSConstants.DERIVATION_EXTENSION | XSConstants.DERIVATION_RESTRICTION);
        fFinal &= (XSConstants.DERIVATION_EXTENSION | XSConstants.DERIVATION_RESTRICTION);

        if (abstractAtt != null && abstractAtt.booleanValue())
            fIsAbstract = true;


        Element child = null;

        try {
            // ---------------------------------------------------------------
            // First, handle any ANNOTATION declaration and get next child
            // ---------------------------------------------------------------
            child = DOMUtil.getFirstChildElement(complexTypeDecl);

            if (child != null) {
                // traverse annotation if any
                if (DOMUtil.getLocalName(child).equals(SchemaSymbols.ELT_ANNOTATION)) {
                    addAnnotation(traverseAnnotationDecl(child, attrValues, false, schemaDoc));
                    child = DOMUtil.getNextSiblingElement(child);
                }
                if (child !=null && DOMUtil.getLocalName(child).equals(SchemaSymbols.ELT_ANNOTATION)) {
                    throw new ComplexTypeRecoverableError("s4s-elt-invalid-content.1",
                           new Object[]{fName,SchemaSymbols.ELT_ANNOTATION},
                           child);
                }
            }
            // ---------------------------------------------------------------
            // Process the content of the complex type definition
            // ---------------------------------------------------------------
            if (child==null) {
                //
                // EMPTY complexType with complexContent
                //

                // set the base to the anyType
                fBaseType = SchemaGrammar.fAnyType;
                processComplexContent(child, mixedAtt.booleanValue(), false,
                                      schemaDoc, grammar);
            }
            else if (DOMUtil.getLocalName(child).equals
                     (SchemaSymbols.ELT_SIMPLECONTENT)) {
                //
                // SIMPLE CONTENT
                //
                traverseSimpleContent(child, schemaDoc, grammar);
                Element elemTmp = DOMUtil.getNextSiblingElement(child);
                if (elemTmp != null) {
                    String siblingName = DOMUtil.getLocalName(elemTmp);
                    throw new ComplexTypeRecoverableError("s4s-elt-invalid-content.1",
                                                          new Object[]{fName,siblingName},
                                                          elemTmp);
                }
            }
            else if (DOMUtil.getLocalName(child).equals
                     (SchemaSymbols.ELT_COMPLEXCONTENT)) {
                traverseComplexContent(child, mixedAtt.booleanValue(),
                                       schemaDoc, grammar);
                Element elemTmp = DOMUtil.getNextSiblingElement(child);
                if (elemTmp != null) {
                    String siblingName = DOMUtil.getLocalName(elemTmp);
                    throw new ComplexTypeRecoverableError("s4s-elt-invalid-content.1",
                                                          new Object[]{fName,siblingName},
                                                          elemTmp);
                }
            }
            else {
                //
                // We must have ....
                // GROUP, ALL, SEQUENCE or CHOICE, followed by optional attributes
                // Note that it's possible that only attributes are specified.
                //

                // set the base to the anyType