schemagrammar.java

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/*
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 2001-2004 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
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 *    the documentation and/or other materials provided with the
 *    distribution.
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 * 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.
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 * 4. The names "Xerces" and "Apache Software Foundation" must
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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;

import java.util.Vector;

import com.sun.org.apache.xerces.internal.impl.dv.SchemaDVFactory;
import com.sun.org.apache.xerces.internal.impl.dv.ValidatedInfo;
import com.sun.org.apache.xerces.internal.impl.dv.XSSimpleType;
import com.sun.org.apache.xerces.internal.impl.xs.identity.IdentityConstraint;
import com.sun.org.apache.xerces.internal.xs.StringList;
import com.sun.org.apache.xerces.internal.xs.XSAnnotation;
import com.sun.org.apache.xerces.internal.xs.XSAttributeDeclaration;
import com.sun.org.apache.xerces.internal.xs.XSAttributeGroupDefinition;
import com.sun.org.apache.xerces.internal.xs.XSConstants;
import com.sun.org.apache.xerces.internal.xs.XSElementDeclaration;
import com.sun.org.apache.xerces.internal.xs.XSModel;
import com.sun.org.apache.xerces.internal.xs.XSModelGroupDefinition;
import com.sun.org.apache.xerces.internal.xs.XSNamedMap;
import com.sun.org.apache.xerces.internal.xs.XSNamespaceItem;
import com.sun.org.apache.xerces.internal.xs.XSNotationDeclaration;
import com.sun.org.apache.xerces.internal.xs.XSObjectList;
import com.sun.org.apache.xerces.internal.xs.XSParticle;
import com.sun.org.apache.xerces.internal.xs.XSTypeDefinition;
import com.sun.org.apache.xerces.internal.xs.XSWildcard;
import com.sun.org.apache.xerces.internal.impl.xs.util.SimpleLocator;
import com.sun.org.apache.xerces.internal.impl.xs.util.StringListImpl;
import com.sun.org.apache.xerces.internal.impl.xs.util.XSNamedMap4Types;
import com.sun.org.apache.xerces.internal.impl.xs.util.XSNamedMapImpl;
import com.sun.org.apache.xerces.internal.impl.xs.util.XSObjectListImpl;
import com.sun.org.apache.xerces.internal.impl.Constants;
import com.sun.org.apache.xerces.internal.parsers.DOMParser;
import com.sun.org.apache.xerces.internal.parsers.SAXParser;
import com.sun.org.apache.xerces.internal.parsers.IntegratedParserConfiguration;
import com.sun.org.apache.xerces.internal.util.SymbolHash;
import com.sun.org.apache.xerces.internal.util.SymbolTable;
import com.sun.org.apache.xerces.internal.xni.grammars.XMLGrammarDescription;
import com.sun.org.apache.xerces.internal.xni.grammars.XSGrammar;

/**
 * This class is to hold all schema component declaration that are declared
 * within one namespace.
 *
 * The Grammar class this class extends contains what little
 * commonality there is between XML Schema and DTD grammars.  It's
 * useful to distinguish grammar objects from other kinds of object
 * when they exist in pools or caches.
 *
 * @author Sandy Gao, IBM
 * @author Elena Litani, IBM
 *
 * @version $Id: SchemaGrammar.java,v 1.35 2004/02/03 17:11:09 sandygao Exp $
 */

public class SchemaGrammar implements XSGrammar, XSNamespaceItem {

    // the target namespace of grammar
    String fTargetNamespace;

    // global decls: map from decl name to decl object
    SymbolHash fGlobalAttrDecls;
    SymbolHash fGlobalAttrGrpDecls;
    SymbolHash fGlobalElemDecls;
    SymbolHash fGlobalGroupDecls;
    SymbolHash fGlobalNotationDecls;
    SymbolHash fGlobalIDConstraintDecls;
    SymbolHash fGlobalTypeDecls;

    // the XMLGrammarDescription member
    XSDDescription fGrammarDescription = null;

    // annotations associated with the "root" schema of this targetNamespace
    XSAnnotationImpl [] fAnnotations = null;

    // number of annotations declared
    int fNumAnnotations;

    // symbol table for constructing parsers (annotation support)
    private SymbolTable fSymbolTable = null;
    // parsers for annotation support
    private SAXParser fSAXParser = null;
    private DOMParser fDOMParser = null;

    //
    // Constructors
    //

    // needed to make BuiltinSchemaGrammar work.
    private SchemaGrammar() {}

    /**
     * Default constructor.
     *
     * @param targetNamespace
     * @param grammarDesc the XMLGrammarDescription corresponding to this objec
     * 		at the least a systemId should always be known.
     * @param symbolTable   needed for annotation support
     */
    public SchemaGrammar(String targetNamespace, XSDDescription grammarDesc,
                SymbolTable symbolTable) {
        fTargetNamespace = targetNamespace;
        fGrammarDescription = grammarDesc;
        fSymbolTable = symbolTable;

        // REVISIT: do we know the numbers of the following global decls
        // when creating this grammar? If so, we can pass the numbers in,
        // and use that number to initialize the following hashtables.
        fGlobalAttrDecls  = new SymbolHash();
        fGlobalAttrGrpDecls = new SymbolHash();
        fGlobalElemDecls = new SymbolHash();
        fGlobalGroupDecls = new SymbolHash();
        fGlobalNotationDecls = new SymbolHash();
        fGlobalIDConstraintDecls = new SymbolHash();

        // if we are parsing S4S, put built-in types in first
        // they might get overwritten by the types from S4S, but that's
        // considered what the application wants to do.
        if (fTargetNamespace == SchemaSymbols.URI_SCHEMAFORSCHEMA)
            fGlobalTypeDecls = SG_SchemaNS.fGlobalTypeDecls.makeClone();
        else
            fGlobalTypeDecls = new SymbolHash();
    } // <init>(String, XSDDescription)

    // number of built-in XSTypes we need to create for base and full
    // datatype set
    private static final int BASICSET_COUNT = 29;
    private static final int FULLSET_COUNT  = 46;

    private static final int GRAMMAR_XS  = 1;
    private static final int GRAMMAR_XSI = 2;

    // this class makes sure the static, built-in schema grammars
    // are immutable.
    public static class BuiltinSchemaGrammar extends SchemaGrammar {
        /**
         * Special constructor to create the grammars for the schema namespaces
         *
         * @param grammar
         */
        public BuiltinSchemaGrammar(int grammar) {
            SchemaDVFactory schemaFactory = SchemaDVFactory.getInstance();
    
            if (grammar == GRAMMAR_XS) {
                // target namespace
                fTargetNamespace = SchemaSymbols.URI_SCHEMAFORSCHEMA;
        
                // grammar description
                fGrammarDescription = new XSDDescription();
                fGrammarDescription.fContextType = XSDDescription.CONTEXT_PREPARSE;
                fGrammarDescription.setNamespace(SchemaSymbols.URI_SCHEMAFORSCHEMA);
        
                // no global decls other than types
                fGlobalAttrDecls  = new SymbolHash(1);
                fGlobalAttrGrpDecls = new SymbolHash(1);
                fGlobalElemDecls = new SymbolHash(1);
                fGlobalGroupDecls = new SymbolHash(1);
                fGlobalNotationDecls = new SymbolHash(1);
                fGlobalIDConstraintDecls = new SymbolHash(1);
        
                // get all built-in types
                fGlobalTypeDecls = schemaFactory.getBuiltInTypes();
                // add anyType
                fGlobalTypeDecls.put(fAnyType.getName(), fAnyType);
            }
            else if (grammar == GRAMMAR_XSI) {
                // target namespace
                fTargetNamespace = SchemaSymbols.URI_XSI;
                // grammar description
                fGrammarDescription = new XSDDescription();
                fGrammarDescription.fContextType = XSDDescription.CONTEXT_PREPARSE;
                fGrammarDescription.setNamespace(SchemaSymbols.URI_XSI);
        
                // no global decls other than attributes
                fGlobalAttrGrpDecls = new SymbolHash(1);
                fGlobalElemDecls = new SymbolHash(1);
                fGlobalGroupDecls = new SymbolHash(1);
                fGlobalNotationDecls = new SymbolHash(1);
                fGlobalIDConstraintDecls = new SymbolHash(1);
                fGlobalTypeDecls = new SymbolHash(1);
    
                // 4 attributes, so initialize the size as 4*2 = 8
                fGlobalAttrDecls  = new SymbolHash(8);
                String name = null;
                String tns = null;
                XSSimpleType type = null;
                short scope = XSConstants.SCOPE_GLOBAL;
                
                // xsi:type
                name = SchemaSymbols.XSI_TYPE;
                tns = SchemaSymbols.URI_XSI;
                type = schemaFactory.getBuiltInType(SchemaSymbols.ATTVAL_QNAME);
                fGlobalAttrDecls.put(name, new BuiltinAttrDecl(name, tns, type, scope));
                
                // xsi:nil
                name = SchemaSymbols.XSI_NIL;
                tns = SchemaSymbols.URI_XSI;
                type = schemaFactory.getBuiltInType(SchemaSymbols.ATTVAL_BOOLEAN);
                fGlobalAttrDecls.put(name, new BuiltinAttrDecl(name, tns, type, scope));
                
                XSSimpleType anyURI = schemaFactory.getBuiltInType(SchemaSymbols.ATTVAL_ANYURI);
    
                // xsi:schemaLocation
                name = SchemaSymbols.XSI_SCHEMALOCATION;
                tns = SchemaSymbols.URI_XSI;
                type = schemaFactory.createTypeList(null, SchemaSymbols.URI_XSI, (short)0, anyURI, null);
                fGlobalAttrDecls.put(name, new BuiltinAttrDecl(name, tns, type, scope));
                
                // xsi:noNamespaceSchemaLocation
                name = SchemaSymbols.XSI_NONAMESPACESCHEMALOCATION;
                tns = SchemaSymbols.URI_XSI;
                type = anyURI;
                fGlobalAttrDecls.put(name, new BuiltinAttrDecl(name, tns, type, scope));
            }
        } // <init>(int)

        // return the XMLGrammarDescription corresponding to this
        // object
        public XMLGrammarDescription getGrammarDescription() {
            return fGrammarDescription.makeClone();
        } // getGrammarDescription():  XMLGrammarDescription

        // override these methods solely so that these
        // objects cannot be modified once they're created.
        public void setImportedGrammars(Vector importedGrammars) {
            // ignore
        }
        public void addGlobalAttributeDecl(XSAttributeDecl decl) {
            // ignore
        }
        public void addGlobalAttributeGroupDecl(XSAttributeGroupDecl decl) {
            // ignore
        }
        public void addGlobalElementDecl(XSElementDecl decl) {
            // ignore
        }
        public void addGlobalGroupDecl(XSGroupDecl decl) {
            // ignore
        }
        public void addGlobalNotationDecl(XSNotationDecl decl) {
            // ignore
        }
        public void addGlobalTypeDecl(XSTypeDefinition decl) {
            // ignore
        }
        public void addComplexTypeDecl(XSComplexTypeDecl decl, SimpleLocator locator) {
            // ignore
        }
        public void addRedefinedGroupDecl(XSGroupDecl derived, XSGroupDecl base, SimpleLocator locator) {
            // ignore
        }
        public synchronized void addDocument(Object document, String location) {
            // ignore
        }

        // annotation support
        synchronized DOMParser getDOMParser() {
            return null;
        }
        synchronized SAXParser getSAXParser() {
            return null;
        }
    }

    // Grammar methods

    // return the XMLGrammarDescription corresponding to this
    // object
    public XMLGrammarDescription getGrammarDescription() {
        return fGrammarDescription;
    } // getGrammarDescription():  XMLGrammarDescription

    // DTDGrammar methods
    public boolean isNamespaceAware () {