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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.xerces.impl.dtd;

import java.util.ArrayList;
import java.util.Hashtable;
import java.util.Random;

import org.apache.xerces.impl.dtd.models.CMAny;
import org.apache.xerces.impl.dtd.models.CMBinOp;
import org.apache.xerces.impl.dtd.models.CMLeaf;
import org.apache.xerces.impl.dtd.models.CMNode;
import org.apache.xerces.impl.dtd.models.CMUniOp;
import org.apache.xerces.impl.dtd.models.ContentModelValidator;
import org.apache.xerces.impl.dtd.models.DFAContentModel;
import org.apache.xerces.impl.dtd.models.MixedContentModel;
import org.apache.xerces.impl.dtd.models.SimpleContentModel;
import org.apache.xerces.impl.dv.DatatypeValidator;
import org.apache.xerces.impl.validation.EntityState;
import org.apache.xerces.util.SymbolTable;
import org.apache.xerces.xni.Augmentations;
import org.apache.xerces.xni.QName;
import org.apache.xerces.xni.XMLDTDContentModelHandler;
import org.apache.xerces.xni.XMLDTDHandler;
import org.apache.xerces.xni.XMLLocator;
import org.apache.xerces.xni.XMLResourceIdentifier;
import org.apache.xerces.xni.XMLString;
import org.apache.xerces.xni.XNIException;
import org.apache.xerces.xni.grammars.Grammar;
import org.apache.xerces.xni.grammars.XMLGrammarDescription;
import org.apache.xerces.xni.parser.XMLDTDContentModelSource;
import org.apache.xerces.xni.parser.XMLDTDSource;

/**
 * A DTD grammar. This class implements the XNI handler interfaces
 * for DTD information so that it can build the appropriate validation
 * structures automatically from the callbacks.
 * 
 * @xerces.internal
 *
 * @author Eric Ye, IBM
 * @author Jeffrey Rodriguez, IBM
 * @author Andy Clark, IBM
 * @author Neil Graham, IBM
 *
 * @version $Id: DTDGrammar.java 1357391 2012-07-04 20:20:31Z mrglavas $
 */
public class DTDGrammar 
    implements XMLDTDHandler, XMLDTDContentModelHandler, EntityState, Grammar {

    //
    // Constants
    //

    /** Top level scope (-1). */
    public static final int TOP_LEVEL_SCOPE = -1;

    // private

    /** Chunk shift (8). */
    private static final int CHUNK_SHIFT = 8; // 2^8 = 256

    /** Chunk size (1 << CHUNK_SHIFT). */
    private static final int CHUNK_SIZE = (1 << CHUNK_SHIFT);

    /** Chunk mask (CHUNK_SIZE - 1). */
    private static final int CHUNK_MASK = CHUNK_SIZE - 1;

    /** Initial chunk count (1 << (10 - CHUNK_SHIFT)). */
    private static final int INITIAL_CHUNK_COUNT = (1 << (10 - CHUNK_SHIFT)); // 2^10 = 1k

    /** List flag (0x80). */
    private static final short LIST_FLAG = 0x80;

    /** List mask (~LIST_FLAG). */
    private static final short LIST_MASK = ~LIST_FLAG;

    // debugging

    /** Debug DTDGrammar. */
    private static final boolean DEBUG = false;

    //
    // Data
    //

    protected XMLDTDSource fDTDSource = null;
    protected XMLDTDContentModelSource fDTDContentModelSource = null;

    /** Current element index. */
    protected int fCurrentElementIndex;

    /** Current attribute index. */
    protected int fCurrentAttributeIndex;

    /** fReadingExternalDTD */
    protected boolean fReadingExternalDTD = false;

    /** Symbol table. */
    private SymbolTable fSymbolTable;

    // The XMLDTDDescription with which this Grammar is associated
    protected XMLDTDDescription fGrammarDescription = null;

    // element declarations

    /** Number of element declarations. */
    private int fElementDeclCount = 0;

    /** Element declaration name. */
    private QName fElementDeclName[][] = new QName[INITIAL_CHUNK_COUNT][];

    /** 
     * Element declaration type. 
     * @see XMLElementDecl
     */
    private short fElementDeclType[][] = new short[INITIAL_CHUNK_COUNT][];

    /** 
     * Element declaration content spec index. This index value is used
     * to refer to the content spec information tables.
     */
    private int fElementDeclContentSpecIndex[][] = new int[INITIAL_CHUNK_COUNT][];

    /** 
     * Element declaration content model validator. This validator is
     * constructed from the content spec nodes.
     */
    private ContentModelValidator fElementDeclContentModelValidator[][] = new ContentModelValidator[INITIAL_CHUNK_COUNT][];

    /** First attribute declaration of an element declaration. */
    private int fElementDeclFirstAttributeDeclIndex[][] = new int[INITIAL_CHUNK_COUNT][];

    /** Last attribute declaration of an element declaration. */
    private int fElementDeclLastAttributeDeclIndex[][] = new int[INITIAL_CHUNK_COUNT][];

    // attribute declarations

    /** Number of attribute declarations. */
    private int fAttributeDeclCount = 0 ;

    /** Attribute declaration name. */
    private QName fAttributeDeclName[][] = new QName[INITIAL_CHUNK_COUNT][];

    // is this grammar immutable?  (fully constructed and not changeable)
    private boolean fIsImmutable = false;

    /** 
     * Attribute declaration type.
     * @see XMLAttributeDecl
     */
    private short fAttributeDeclType[][] = new short[INITIAL_CHUNK_COUNT][];

    /** Attribute declaration enumeration values. */
    private String[] fAttributeDeclEnumeration[][] = new String[INITIAL_CHUNK_COUNT][][];
    private short fAttributeDeclDefaultType[][] = new short[INITIAL_CHUNK_COUNT][];
    private DatatypeValidator fAttributeDeclDatatypeValidator[][] = new DatatypeValidator[INITIAL_CHUNK_COUNT][];
    private String fAttributeDeclDefaultValue[][] = new String[INITIAL_CHUNK_COUNT][];
    private String fAttributeDeclNonNormalizedDefaultValue[][] = new String[INITIAL_CHUNK_COUNT][];
    private int fAttributeDeclNextAttributeDeclIndex[][] = new int[INITIAL_CHUNK_COUNT][];

    // content specs

    // here saves the content spec binary trees for element decls, 
    // each element with a content model will hold a pointer which is 
    // the index of the head node of the content spec tree. 

    private int fContentSpecCount = 0;
    private short fContentSpecType[][] = new short[INITIAL_CHUNK_COUNT][];
    private Object fContentSpecValue[][] = new Object[INITIAL_CHUNK_COUNT][];
    private Object fContentSpecOtherValue[][] = new Object[INITIAL_CHUNK_COUNT][];

    // entities

    private int fEntityCount = 0;
    private String fEntityName[][] = new String[INITIAL_CHUNK_COUNT][];
    private String[][] fEntityValue = new String[INITIAL_CHUNK_COUNT][];
    private String[][] fEntityPublicId = new String[INITIAL_CHUNK_COUNT][];
    private String[][] fEntitySystemId = new String[INITIAL_CHUNK_COUNT][];
    private String[][] fEntityBaseSystemId = new String[INITIAL_CHUNK_COUNT][];
    private String[][] fEntityNotation = new String[INITIAL_CHUNK_COUNT][];
    private byte[][] fEntityIsPE = new byte[INITIAL_CHUNK_COUNT][];
    private byte[][] fEntityInExternal = new byte[INITIAL_CHUNK_COUNT][];

    // notations

    private int fNotationCount = 0;
    private String fNotationName[][] = new String[INITIAL_CHUNK_COUNT][];
    private String[][] fNotationPublicId = new String[INITIAL_CHUNK_COUNT][];
    private String[][] fNotationSystemId = new String[INITIAL_CHUNK_COUNT][];
    private String[][] fNotationBaseSystemId = new String[INITIAL_CHUNK_COUNT][];

    // other information

    /** Element index mapping table. */
    private QNameHashtable fElementIndexMap = new QNameHashtable();

    /** Entity index mapping table. */
    private QNameHashtable fEntityIndexMap = new QNameHashtable();

    /** Notation index mapping table. */
    private QNameHashtable fNotationIndexMap = new QNameHashtable();

    // temp variables

    /** Mixed. */
    private boolean fMixed;

    /** Temporary qualified name. */
    private final QName fQName = new QName();
    
    /** Temporary qualified name. */
    private final QName fQName2 = new QName();

    /** Temporary Attribute decl. */
    protected final XMLAttributeDecl fAttributeDecl = new XMLAttributeDecl();

    // for buildSyntaxTree method

    private int fLeafCount = 0;
    private int fEpsilonIndex = -1;
    
    /** Element declaration. */
    private XMLElementDecl fElementDecl = new XMLElementDecl();

    /** Entity declaration. */
    private XMLEntityDecl fEntityDecl = new XMLEntityDecl();

    /** Simple type. */
    private XMLSimpleType fSimpleType = new XMLSimpleType();

    /** Content spec node. */
    private XMLContentSpec fContentSpec = new XMLContentSpec();

    /** table of XMLElementDecl   */
    Hashtable   fElementDeclTab     = new Hashtable();

    /** Children content model operation stack. */
    private short[] fOpStack = null;

    /** Children content model index stack. */
    private int[] fNodeIndexStack = null;

    /** Children content model previous node index stack. */
    private int[] fPrevNodeIndexStack = null;

    /** Stack depth   */
    private int fDepth = 0;

    /** Entity stack. */
    private boolean[] fPEntityStack = new boolean[4];
    private int fPEDepth = 0;

    // additional fields(columns) for the element Decl pool in the Grammar

    /** flag if the elementDecl is External. */
    private int fElementDeclIsExternal[][] = new int[INITIAL_CHUNK_COUNT][];


    // additional fields(columns) for the attribute Decl pool in the Grammar

    /** flag if the AttributeDecl is External. */
    private int fAttributeDeclIsExternal[][] = new int[INITIAL_CHUNK_COUNT][];

    // for mixedElement method

    int valueIndex            = -1;
    int prevNodeIndex         = -1;
    int nodeIndex             = -1;

    //
    // Constructors
    //

    /** Default constructor. */
    public DTDGrammar(SymbolTable symbolTable, XMLDTDDescription desc) {
        fSymbolTable = symbolTable;
        fGrammarDescription = desc;
    } // (SymbolTable)

    // Grammar methods

    // return the XMLDTDDescription object with which this is associated
    public XMLGrammarDescription getGrammarDescription() {
        return fGrammarDescription;
    } // getGrammarDescription():  XMLGrammarDescription

    //
    // Public methods
    //

    /**
     * Returns true if the specified element declaration is external.
     *
     * @param elementDeclIndex The element declaration index.
     */
    public boolean getElementDeclIsExternal(int elementDeclIndex) {

        if (elementDeclIndex < 0) {
            return false;
        }

        int chunk = elementDeclIndex >> CHUNK_SHIFT;
        int index = elementDeclIndex & CHUNK_MASK;
        return (fElementDeclIsExternal[chunk][index] != 0);

    } // getElementDeclIsExternal(int):boolean

    /**
     * Returns true if the specified attribute declaration is external.
     *
     * @param attributeDeclIndex Attribute declaration index.
     */
    public boolean getAttributeDeclIsExternal(int attributeDeclIndex) {

        if (attributeDeclIndex < 0) {
            return false;
        }

        int chunk = attributeDeclIndex >> CHUNK_SHIFT;
        int index = attributeDeclIndex & CHUNK_MASK;
        return (fAttributeDeclIsExternal[chunk][index] != 0);
    }

    public int getAttributeDeclIndex(int elementDeclIndex, String attributeDeclName) {
        if (elementDeclIndex == -1) {
            return -1;
        }
        int attDefIndex = getFirstAttributeDeclIndex(elementDeclIndex);
        while (attDefIndex != -1) {
            getAttributeDecl(attDefIndex, fAttributeDecl);

            if (fAttributeDecl.name.rawname == attributeDeclName
                || attributeDeclName.equals(fAttributeDecl.name.rawname) ) {
                return attDefIndex;
            }
            attDefIndex = getNextAttributeDeclIndex(attDefIndex);
        }
        return -1;
    } // getAttributeDeclIndex (int,QName)

    //
    // XMLDTDHandler methods
    //

    /**
     * The start of the DTD.
     *
     * @param locator  The document locator, or null if the document
     *                 location cannot be reported during the parsing of
     *                 the document DTD. However, it is strongly
     *                 recommended that a locator be supplied that can
     *                 at least report the base system identifier of the
     *                 DTD.
     *
     * @param augs Additional information that may include infoset
     *                      augmentations.
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void startDTD(XMLLocator locator, Augmentations augs) throws XNIException {
        //Initialize stack
        fOpStack = null;
        fNodeIndexStack = null;
        fPrevNodeIndexStack = null;
    } // startDTD(XMLLocator)

    /**
     * This method notifies of the start of an entity. The DTD has the
     * pseudo-name of "[dtd]" and parameter entity names start with '%'.
     * 

* Note: Since the DTD is an entity, the handler * will be notified of the start of the DTD entity by calling the * startParameterEntity method with the entity name "[dtd]" before calling * the startDTD method. * * @param name The name of the parameter entity. * @param identifier The resource identifier. * @param encoding The auto-detected IANA encoding name of the entity * stream. This value will be null in those situations * where the entity encoding is not auto-detected (e.g. * internal parameter entities). * @param augs Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. */ public void startParameterEntity(String name, XMLResourceIdentifier identifier, String encoding, Augmentations augs) throws XNIException { // keep track of this entity before fEntityDepth is increased if (fPEDepth == fPEntityStack.length) { boolean[] entityarray = new boolean[fPEntityStack.length * 2]; System.arraycopy(fPEntityStack, 0, entityarray, 0, fPEntityStack.length); fPEntityStack = entityarray; } fPEntityStack[fPEDepth] = fReadingExternalDTD; fPEDepth++; } // startParameterEntity(String,XMLResourceIdentifier,String,Augmentations) /** * The start of the DTD external subset. * * @param augs Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. */ public void startExternalSubset(XMLResourceIdentifier identifier, Augmentations augs) throws XNIException { fReadingExternalDTD = true; } // startExternalSubset(Augmentations) /** * This method notifies the end of an entity. The DTD has the pseudo-name * of "[dtd]" and parameter entity names start with '%'. *

* Note: Since the DTD is an entity, the handler * will be notified of the end of the DTD entity by calling the * endEntity method with the entity name "[dtd]" after calling * the endDTD method. * * @param name The name of the entity. * @param augs Additional information that may include infoset * augmentations. * @throws XNIException Thrown by handler to signal an error. */ public void endParameterEntity(String name, Augmentations augs) throws XNIException { fPEDepth--; fReadingExternalDTD = fPEntityStack[fPEDepth]; } // endParameterEntity(String,Augmentations) /** * The end of the DTD external subset. * * @param augs Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. */ public void endExternalSubset(Augmentations augs) throws XNIException { fReadingExternalDTD = false; } // endExternalSubset(Augmentations) /** * An element declaration. * * @param name The name of the element. * @param contentModel The element content model. * @param augs Additional information that may include infoset * augmentations. * @throws XNIException Thrown by handler to signal an error. */ public void elementDecl(String name, String contentModel, Augmentations augs) throws XNIException { XMLElementDecl tmpElementDecl = (XMLElementDecl) fElementDeclTab.get(name) ; // check if it is already defined if ( tmpElementDecl != null ) { if (tmpElementDecl.type == -1) { fCurrentElementIndex = getElementDeclIndex(name); } else { // duplicate element, ignored. return; } } else { fCurrentElementIndex = createElementDecl();//create element decl } XMLElementDecl elementDecl = new XMLElementDecl(); fQName.setValues(null, name, name, null); elementDecl.name.setValues(fQName); elementDecl.contentModelValidator = null; elementDecl.scope= -1; if (contentModel.equals("EMPTY")) { elementDecl.type = XMLElementDecl.TYPE_EMPTY; } else if (contentModel.equals("ANY")) { elementDecl.type = XMLElementDecl.TYPE_ANY; } else if (contentModel.startsWith("(") ) { if (contentModel.indexOf("#PCDATA") > 0 ) { elementDecl.type = XMLElementDecl.TYPE_MIXED; } else { elementDecl.type = XMLElementDecl.TYPE_CHILDREN; } } //add(or set) this elementDecl to the local cache this.fElementDeclTab.put(name, elementDecl ); fElementDecl = elementDecl; addContentSpecToElement(elementDecl); if ( DEBUG ) { System.out.println( "name = " + fElementDecl.name.localpart ); System.out.println( "Type = " + fElementDecl.type ); } setElementDecl(fCurrentElementIndex, fElementDecl );//set internal structure int chunk = fCurrentElementIndex >> CHUNK_SHIFT; int index = fCurrentElementIndex & CHUNK_MASK; ensureElementDeclCapacity(chunk); fElementDeclIsExternal[chunk][index] = (fReadingExternalDTD || fPEDepth > 0) ? 1 : 0; } // elementDecl(String,String) /** * An attribute declaration. * * @param elementName The name of the element that this attribute * is associated with. * @param attributeName The name of the attribute. * @param type The attribute type. This value will be one of * the following: "CDATA", "ENTITY", "ENTITIES", * "ENUMERATION", "ID", "IDREF", "IDREFS", * "NMTOKEN", "NMTOKENS", or "NOTATION". * @param enumeration If the type has the value "ENUMERATION", this * array holds the allowed attribute values; * otherwise, this array is null. * @param defaultType The attribute default type. This value will be * one of the following: "#FIXED", "#IMPLIED", * "#REQUIRED", or null. * @param defaultValue The attribute default value, or null if no * default value is specified. * @param nonNormalizedDefaultValue The attribute default value with no normalization * performed, or null if no default value is specified. * * @param augs Additional information that may include infoset * augmentations. * @throws XNIException Thrown by handler to signal an error. */ public void attributeDecl(String elementName, String attributeName, String type, String[] enumeration, String defaultType, XMLString defaultValue, XMLString nonNormalizedDefaultValue, Augmentations augs) throws XNIException { if ( this.fElementDeclTab.containsKey( (String) elementName) ) { //if ElementDecl has already being created in the Grammar then remove from table, //this.fElementDeclTab.remove( (String) elementName ); } // then it is forward reference to a element decl, create the elementDecl first. else { fCurrentElementIndex = createElementDecl();//create element decl XMLElementDecl elementDecl = new XMLElementDecl(); elementDecl.name.setValues(null, elementName, elementName, null); elementDecl.scope= -1; //add(or set) this elementDecl to the local cache this.fElementDeclTab.put(elementName, elementDecl ); //set internal structure setElementDecl(fCurrentElementIndex, elementDecl ); } //Get Grammar index to grammar array int elementIndex = getElementDeclIndex(elementName); //return, when more than one definition is provided for the same attribute of given element type //only the first declaration is binding and later declarations are ignored if (getAttributeDeclIndex(elementIndex, attributeName) != -1) { return; } fCurrentAttributeIndex = createAttributeDecl();// Create current Attribute Decl fSimpleType.clear(); if ( defaultType != null ) { if ( defaultType.equals( "#FIXED") ) { fSimpleType.defaultType = XMLSimpleType.DEFAULT_TYPE_FIXED; } else if ( defaultType.equals( "#IMPLIED") ) { fSimpleType.defaultType = XMLSimpleType.DEFAULT_TYPE_IMPLIED; } else if ( defaultType.equals( "#REQUIRED") ) { fSimpleType.defaultType = XMLSimpleType.DEFAULT_TYPE_REQUIRED; } } if ( DEBUG ) { System.out.println("defaultvalue = " + defaultValue.toString() ); } fSimpleType.defaultValue = defaultValue!=null ? defaultValue.toString() : null; fSimpleType.nonNormalizedDefaultValue = nonNormalizedDefaultValue!=null ? nonNormalizedDefaultValue.toString() : null; fSimpleType.enumeration = enumeration; if (type.equals("CDATA")) { fSimpleType.type = XMLSimpleType.TYPE_CDATA; } else if ( type.equals("ID") ) { fSimpleType.type = XMLSimpleType.TYPE_ID; } else if ( type.startsWith("IDREF") ) { fSimpleType.type = XMLSimpleType.TYPE_IDREF; if (type.indexOf("S") > 0) { fSimpleType.list = true; } } else if (type.equals("ENTITIES")) { fSimpleType.type = XMLSimpleType.TYPE_ENTITY; fSimpleType.list = true; } else if (type.equals("ENTITY")) { fSimpleType.type = XMLSimpleType.TYPE_ENTITY; } else if (type.equals("NMTOKENS")) { fSimpleType.type = XMLSimpleType.TYPE_NMTOKEN; fSimpleType.list = true; } else if (type.equals("NMTOKEN")) { fSimpleType.type = XMLSimpleType.TYPE_NMTOKEN; } else if (type.startsWith("NOTATION") ) { fSimpleType.type = XMLSimpleType.TYPE_NOTATION; } else if (type.startsWith("ENUMERATION") ) { fSimpleType.type = XMLSimpleType.TYPE_ENUMERATION; } else { // REVISIT: Report error message. -Ac System.err.println("!!! unknown attribute type "+type); } // REVISIT: The datatype should be stored with the attribute value // and not special-cased in the XMLValidator. -Ac //fSimpleType.datatypeValidator = fDatatypeValidatorFactory.createDatatypeValidator(type, null, facets, fSimpleType.list); fQName.setValues(null, attributeName, attributeName, null); fAttributeDecl.setValues( fQName, fSimpleType, false ); setAttributeDecl(elementIndex, fCurrentAttributeIndex, fAttributeDecl); int chunk = fCurrentAttributeIndex >> CHUNK_SHIFT; int index = fCurrentAttributeIndex & CHUNK_MASK; ensureAttributeDeclCapacity(chunk); fAttributeDeclIsExternal[chunk][index] = (fReadingExternalDTD || fPEDepth > 0) ? 1 : 0; } // attributeDecl(String,String,String,String[],String,XMLString,XMLString, Augmentations) /** * An internal entity declaration. * * @param name The name of the entity. Parameter entity names start with * '%', whereas the name of a general entity is just the * entity name. * @param text The value of the entity. * @param nonNormalizedText The non-normalized value of the entity. This * value contains the same sequence of characters that was in * the internal entity declaration, without any entity * references expanded. * @param augs Additional information that may include infoset * augmentations. * @throws XNIException Thrown by handler to signal an error. */ public void internalEntityDecl(String name, XMLString text, XMLString nonNormalizedText, Augmentations augs) throws XNIException { int entityIndex = getEntityDeclIndex(name); if( entityIndex == -1){ entityIndex = createEntityDecl(); boolean isPE = name.startsWith("%"); boolean inExternal = (fReadingExternalDTD || fPEDepth > 0); XMLEntityDecl entityDecl = new XMLEntityDecl(); entityDecl.setValues(name,null,null, null, null, text.toString(), isPE, inExternal); setEntityDecl(entityIndex, entityDecl); } } // internalEntityDecl(String,XMLString,XMLString) /** * An external entity declaration. * * @param name The name of the entity. Parameter entity names start * with '%', whereas the name of a general entity is just * the entity name. * @param identifier An object containing all location information * pertinent to this external entity declaration. * @param augs Additional information that may include infoset * augmentations. * @throws XNIException Thrown by handler to signal an error. */ public void externalEntityDecl(String name, XMLResourceIdentifier identifier, Augmentations augs) throws XNIException { int entityIndex = getEntityDeclIndex(name); if( entityIndex == -1){ entityIndex = createEntityDecl(); boolean isPE = name.startsWith("%"); boolean inExternal = (fReadingExternalDTD || fPEDepth > 0); XMLEntityDecl entityDecl = new XMLEntityDecl(); entityDecl.setValues(name, identifier.getPublicId(), identifier.getLiteralSystemId(), identifier.getBaseSystemId(), null, null, isPE, inExternal); setEntityDecl(entityIndex, entityDecl); } } // externalEntityDecl(String, XMLResourceIdentifier, Augmentations) /** * An unparsed entity declaration. * * @param name The name of the entity. * @param identifier An object containing all location information * pertinent to this entity. * @param notation The name of the notation. * @param augs Additional information that may include infoset * augmentations. * @throws XNIException Thrown by handler to signal an error. */ public void unparsedEntityDecl(String name, XMLResourceIdentifier identifier, String notation, Augmentations augs) throws XNIException { XMLEntityDecl entityDecl = new XMLEntityDecl(); boolean isPE = name.startsWith("%"); boolean inExternal = (fReadingExternalDTD || fPEDepth > 0); entityDecl.setValues(name,identifier.getPublicId(),identifier.getLiteralSystemId(), identifier.getBaseSystemId(), notation, null, isPE, inExternal); int entityIndex = getEntityDeclIndex(name); if (entityIndex == -1) { entityIndex = createEntityDecl(); setEntityDecl(entityIndex, entityDecl); } } // unparsedEntityDecl(String,StringXMLResourceIdentifier,Augmentations) /** * A notation declaration * * @param name The name of the notation. * @param identifier An object containing all location information * pertinent to this notation. * @param augs Additional information that may include infoset * augmentations. * @throws XNIException Thrown by handler to signal an error. */ public void notationDecl(String name, XMLResourceIdentifier identifier, Augmentations augs) throws XNIException { XMLNotationDecl notationDecl = new XMLNotationDecl(); notationDecl.setValues(name,identifier.getPublicId(),identifier.getLiteralSystemId(), identifier.getBaseSystemId()); int notationIndex = getNotationDeclIndex(name); if (notationIndex == -1) { notationIndex = createNotationDecl(); setNotationDecl(notationIndex, notationDecl); } } // notationDecl(String,XMLResourceIdentifier,Augmentations) /** * The end of the DTD. * * @param augs Additional information that may include infoset * augmentations. * @throws XNIException Thrown by handler to signal an error. */ public void endDTD(Augmentations augs) throws XNIException { fIsImmutable = true; // make sure our description contains useful stuff... if (fGrammarDescription.getRootName() == null) { // we don't know what the root is; so use possibleRoots... int chunk, index = 0; String currName = null; final int size = fElementDeclCount; ArrayList elements = new ArrayList(size); for (int i = 0; i < size; ++i) { chunk = i >> CHUNK_SHIFT; index = i & CHUNK_MASK; currName = fElementDeclName[chunk][index].rawname; elements.add(currName); } fGrammarDescription.setPossibleRoots(elements); } } // endDTD() // sets the source of this handler public void setDTDSource(XMLDTDSource source) { fDTDSource = source; } // setDTDSource(XMLDTDSource) // returns the source of this handler public XMLDTDSource getDTDSource() { return fDTDSource; } // getDTDSource(): XMLDTDSource // no-op methods /** * Notifies of the presence of a TextDecl line in an entity. If present, * this method will be called immediately following the startEntity call. *

* Note: This method is only called for external * parameter entities referenced in the DTD. * * @param version The XML version, or null if not specified. * @param encoding The IANA encoding name of the entity. * * @param augs Additional information that may include infoset * augmentations. * @throws XNIException Thrown by handler to signal an error. */ public void textDecl(String version, String encoding, Augmentations augs) throws XNIException {} /** * A comment. * * @param text The text in the comment. * @param augs Additional information that may include infoset * augmentations. * @throws XNIException Thrown by application to signal an error. */ public void comment(XMLString text, Augmentations augs) throws XNIException {} /** * A processing instruction. Processing instructions consist of a * target name and, optionally, text data. The data is only meaningful * to the application. *

* Typically, a processing instruction's data will contain a series * of pseudo-attributes. These pseudo-attributes follow the form of * element attributes but are not parsed or presented * to the application as anything other than text. The application is * responsible for parsing the data. * * @param target The target. * @param data The data or null if none specified. * @param augs Additional information that may include infoset * augmentations. * @throws XNIException Thrown by handler to signal an error. */ public void processingInstruction(String target, XMLString data, Augmentations augs) throws XNIException {} /** * The start of an attribute list. * * @param elementName The name of the element that this attribute * list is associated with. * @param augs Additional information that may include infoset * augmentations. * @throws XNIException Thrown by handler to signal an error. */ public void startAttlist(String elementName, Augmentations augs) throws XNIException {} /** * The end of an attribute list. * @param augs Additional information that may include infoset * augmentations. * @throws XNIException Thrown by handler to signal an error. */ public void endAttlist(Augmentations augs) throws XNIException {} /** * The start of a conditional section. * * @param type The type of the conditional section. This value will * either be CONDITIONAL_INCLUDE or CONDITIONAL_IGNORE. * @param augs Additional information that may include infoset * augmentations. * @throws XNIException Thrown by handler to signal an error. * * @see XMLDTDHandler#CONDITIONAL_INCLUDE * @see XMLDTDHandler#CONDITIONAL_IGNORE */ public void startConditional(short type, Augmentations augs) throws XNIException {} /** * Characters within an IGNORE conditional section. * * @param text The ignored text. * @param augs Additional information that may include infoset * augmentations. */ public void ignoredCharacters(XMLString text, Augmentations augs) throws XNIException {} /** * The end of a conditional section. * @param augs Additional information that may include infoset * augmentations. * @throws XNIException Thrown by handler to signal an error. */ public void endConditional(Augmentations augs) throws XNIException {} // // XMLDTDContentModelHandler methods // // set content model source public void setDTDContentModelSource(XMLDTDContentModelSource source) { fDTDContentModelSource = source; } // get content model source public XMLDTDContentModelSource getDTDContentModelSource() { return fDTDContentModelSource; } /** * The start of a content model. Depending on the type of the content * model, specific methods may be called between the call to the * startContentModel method and the call to the endContentModel method. * * @param elementName The name of the element. * @param augs Additional information that may include infoset * augmentations. * @throws XNIException Thrown by handler to signal an error. */ public void startContentModel(String elementName, Augmentations augs) throws XNIException { XMLElementDecl elementDecl = (XMLElementDecl) this.fElementDeclTab.get( elementName); if ( elementDecl != null ) { fElementDecl = elementDecl; } fDepth = 0; initializeContentModelStack(); } // startContentModel(String) /** * A start of either a mixed or children content model. A mixed * content model will immediately be followed by a call to the * pcdata() method. A children content model will * contain additional groups and/or elements. * * @param augs Additional information that may include infoset * augmentations. * @throws XNIException Thrown by handler to signal an error. * * @see #any * @see #empty */ public void startGroup(Augmentations augs) throws XNIException { fDepth++; initializeContentModelStack(); fMixed = false; } // startGroup() /** * The appearance of "#PCDATA" within a group signifying a * mixed content model. This method will be the first called * following the content model's startGroup(). * *@param augs Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. * * @see #startGroup */ public void pcdata(Augmentations augs) throws XNIException { fMixed = true; } // pcdata() /** * A referenced element in a mixed or children content model. * * @param elementName The name of the referenced element. * @param augs Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. */ public void element(String elementName, Augmentations augs) throws XNIException { if (fMixed) { if (fNodeIndexStack[fDepth] == -1 ) { fNodeIndexStack[fDepth] = addUniqueLeafNode(elementName); } else { fNodeIndexStack[fDepth] = addContentSpecNode(XMLContentSpec.CONTENTSPECNODE_CHOICE, fNodeIndexStack[fDepth], addUniqueLeafNode(elementName)); } } else { fNodeIndexStack[fDepth] = addContentSpecNode(XMLContentSpec.CONTENTSPECNODE_LEAF, elementName); } } // element(String) /** * The separator between choices or sequences of a mixed or children * content model. * * @param separator The type of children separator. * @param augs Additional information that may include infoset * augmentations. * @throws XNIException Thrown by handler to signal an error. * * @see org.apache.xerces.xni.XMLDTDContentModelHandler#SEPARATOR_CHOICE * @see org.apache.xerces.xni.XMLDTDContentModelHandler#SEPARATOR_SEQUENCE */ public void separator(short separator, Augmentations augs) throws XNIException { if (!fMixed) { if (fOpStack[fDepth] != XMLContentSpec.CONTENTSPECNODE_SEQ && separator == XMLDTDContentModelHandler.SEPARATOR_CHOICE ) { if (fPrevNodeIndexStack[fDepth] != -1) { fNodeIndexStack[fDepth] = addContentSpecNode(fOpStack[fDepth], fPrevNodeIndexStack[fDepth], fNodeIndexStack[fDepth]); } fPrevNodeIndexStack[fDepth] = fNodeIndexStack[fDepth]; fOpStack[fDepth] = XMLContentSpec.CONTENTSPECNODE_CHOICE; } else if (fOpStack[fDepth] != XMLContentSpec.CONTENTSPECNODE_CHOICE && separator == XMLDTDContentModelHandler.SEPARATOR_SEQUENCE) { if (fPrevNodeIndexStack[fDepth] != -1) { fNodeIndexStack[fDepth] = addContentSpecNode(fOpStack[fDepth], fPrevNodeIndexStack[fDepth], fNodeIndexStack[fDepth]); } fPrevNodeIndexStack[fDepth] = fNodeIndexStack[fDepth]; fOpStack[fDepth] = XMLContentSpec.CONTENTSPECNODE_SEQ; } } } // separator(short) /** * The occurrence count for a child in a children content model or * for the mixed content model group. * * @param occurrence The occurrence count for the last element * or group. * @param augs Additional information that may include infoset * augmentations. * @throws XNIException Thrown by handler to signal an error. * * @see org.apache.xerces.xni.XMLDTDContentModelHandler#OCCURS_ZERO_OR_ONE * @see org.apache.xerces.xni.XMLDTDContentModelHandler#OCCURS_ZERO_OR_MORE * @see org.apache.xerces.xni.XMLDTDContentModelHandler#OCCURS_ONE_OR_MORE */ public void occurrence(short occurrence, Augmentations augs) throws XNIException { if (!fMixed) { if (occurrence == XMLDTDContentModelHandler.OCCURS_ZERO_OR_ONE ) { fNodeIndexStack[fDepth] = addContentSpecNode(XMLContentSpec.CONTENTSPECNODE_ZERO_OR_ONE, fNodeIndexStack[fDepth], -1); } else if ( occurrence == XMLDTDContentModelHandler.OCCURS_ZERO_OR_MORE ) { fNodeIndexStack[fDepth] = addContentSpecNode(XMLContentSpec.CONTENTSPECNODE_ZERO_OR_MORE, fNodeIndexStack[fDepth], -1 ); } else if ( occurrence == XMLDTDContentModelHandler.OCCURS_ONE_OR_MORE) { fNodeIndexStack[fDepth] = addContentSpecNode(XMLContentSpec.CONTENTSPECNODE_ONE_OR_MORE, fNodeIndexStack[fDepth], -1 ); } } } // occurrence(short) /** * The end of a group for mixed or children content models. * * @param augs Additional information that may include infoset * augmentations. * @throws XNIException Thrown by handler to signal an error. */ public void endGroup(Augmentations augs) throws XNIException { if (!fMixed) { if (fPrevNodeIndexStack[fDepth] != -1) { fNodeIndexStack[fDepth] = addContentSpecNode(fOpStack[fDepth], fPrevNodeIndexStack[fDepth], fNodeIndexStack[fDepth]); } int nodeIndex = fNodeIndexStack[fDepth--]; fNodeIndexStack[fDepth] = nodeIndex; } } // endGroup() // no-op methods /** * A content model of ANY. * * @param augs Additional information that may include infoset * augmentations. * @throws XNIException Thrown by handler to signal an error. * * @see #empty * @see #startGroup */ public void any(Augmentations augs) throws XNIException {} /** * A content model of EMPTY. * * @param augs Additional information that may include infoset * augmentations. * @throws XNIException Thrown by handler to signal an error. * * @see #any * @see #startGroup */ public void empty(Augmentations augs) throws XNIException {} /** * The end of a content model. * @param augs Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. */ public void endContentModel(Augmentations augs) throws XNIException {} // // Grammar methods // /** Returns true if this grammar is namespace aware. */ public boolean isNamespaceAware() { return false; } // isNamespaceAware():boolean /** Returns the symbol table. */ public SymbolTable getSymbolTable() { return fSymbolTable; } // getSymbolTable():SymbolTable /** * Returns the index of the first element declaration. This index * is then used to query more information about the element declaration. * * @see #getNextElementDeclIndex * @see #getElementDecl */ public int getFirstElementDeclIndex() { return fElementDeclCount >= 0 ? 0 : -1; } // getFirstElementDeclIndex():int /** * Returns the next index of the element declaration following the * specified element declaration. * * @param elementDeclIndex The element declaration index. */ public int getNextElementDeclIndex(int elementDeclIndex) { return elementDeclIndex < fElementDeclCount - 1 ? elementDeclIndex + 1 : -1; } // getNextElementDeclIndex(int):int /** * getElementDeclIndex * * @param elementDeclName * * @return index of the elementDeclName in scope */ public int getElementDeclIndex(String elementDeclName) { int mapping = fElementIndexMap.get(elementDeclName); //System.out.println("getElementDeclIndex("+elementDeclName+") -> "+mapping); return mapping; } // getElementDeclIndex(String):int /** Returns the element decl index. * @param elementDeclQName qualilfied name of the element */ public int getElementDeclIndex(QName elementDeclQName) { return getElementDeclIndex(elementDeclQName.rawname); } // getElementDeclIndex(QName):int /** make separate function for getting contentSpecType of element. * we can avoid setting of the element values. */ public short getContentSpecType(int elementIndex){ if (elementIndex < 0 || elementIndex >= fElementDeclCount) { return -1 ; } int chunk = elementIndex >> CHUNK_SHIFT; int index = elementIndex & CHUNK_MASK; if(fElementDeclType[chunk][index] == -1){ return -1 ; } else{ return (short) (fElementDeclType[chunk][index] & LIST_MASK); } }//getContentSpecType /** * getElementDecl * * @param elementDeclIndex * @param elementDecl The values of this structure are set by this call. * * @return True if find the element, False otherwise. */ public boolean getElementDecl(int elementDeclIndex, XMLElementDecl elementDecl) { if (elementDeclIndex < 0 || elementDeclIndex >= fElementDeclCount) { return false; } int chunk = elementDeclIndex >> CHUNK_SHIFT; int index = elementDeclIndex & CHUNK_MASK; elementDecl.name.setValues(fElementDeclName[chunk][index]); if (fElementDeclType[chunk][index] == -1) { elementDecl.type = -1; elementDecl.simpleType.list = false; } else { elementDecl.type = (short) (fElementDeclType[chunk][index] & LIST_MASK); elementDecl.simpleType.list = (fElementDeclType[chunk][index] & LIST_FLAG) != 0; } /* Validators are null until we add that code */ if (elementDecl.type == XMLElementDecl.TYPE_CHILDREN || elementDecl.type == XMLElementDecl.TYPE_MIXED) { elementDecl.contentModelValidator = getElementContentModelValidator(elementDeclIndex); } elementDecl.simpleType.datatypeValidator = null; elementDecl.simpleType.defaultType = -1; elementDecl.simpleType.defaultValue = null; return true; } // getElementDecl(int,XMLElementDecl):boolean QName getElementDeclName(int elementDeclIndex) { if (elementDeclIndex < 0 || elementDeclIndex >= fElementDeclCount) { return null; } int chunk = elementDeclIndex >> CHUNK_SHIFT; int index = elementDeclIndex & CHUNK_MASK; return fElementDeclName[chunk][index]; } // REVISIT: Make this getAttributeDeclCount/getAttributeDeclAt. -Ac /** * getFirstAttributeDeclIndex * * @param elementDeclIndex * * @return index of the first attribute for element declaration elementDeclIndex */ public int getFirstAttributeDeclIndex(int elementDeclIndex) { int chunk = elementDeclIndex >> CHUNK_SHIFT; int index = elementDeclIndex & CHUNK_MASK; return fElementDeclFirstAttributeDeclIndex[chunk][index]; } // getFirstAttributeDeclIndex /** * getNextAttributeDeclIndex * * @param attributeDeclIndex * * @return index of the next attribute of the attribute at attributeDeclIndex */ public int getNextAttributeDeclIndex(int attributeDeclIndex) { int chunk = attributeDeclIndex >> CHUNK_SHIFT; int index = attributeDeclIndex & CHUNK_MASK; return fAttributeDeclNextAttributeDeclIndex[chunk][index]; } // getNextAttributeDeclIndex /** * getAttributeDecl * * @param attributeDeclIndex * @param attributeDecl The values of this structure are set by this call. * * @return true if getAttributeDecl was able to fill in the value of attributeDecl */ public boolean getAttributeDecl(int attributeDeclIndex, XMLAttributeDecl attributeDecl) { if (attributeDeclIndex < 0 || attributeDeclIndex >= fAttributeDeclCount) { return false; } int chunk = attributeDeclIndex >> CHUNK_SHIFT; int index = attributeDeclIndex & CHUNK_MASK; attributeDecl.name.setValues(fAttributeDeclName[chunk][index]); short attributeType; boolean isList; if (fAttributeDeclType[chunk][index] == -1) { attributeType = -1; isList = false; } else { attributeType = (short) (fAttributeDeclType[chunk][index] & LIST_MASK); isList = (fAttributeDeclType[chunk][index] & LIST_FLAG) != 0; } attributeDecl.simpleType.setValues(attributeType,fAttributeDeclName[chunk][index].localpart, fAttributeDeclEnumeration[chunk][index], isList, fAttributeDeclDefaultType[chunk][index], fAttributeDeclDefaultValue[chunk][index], fAttributeDeclNonNormalizedDefaultValue[chunk][index], fAttributeDeclDatatypeValidator[chunk][index]); return true; } // getAttributeDecl /** * Returns whether the given attribute is of type CDATA or not * * @param elName The element name. * @param atName The attribute name. * * @return true if the attribute is of type CDATA */ public boolean isCDATAAttribute(QName elName, QName atName) { int elDeclIdx = getElementDeclIndex(elName); if (getAttributeDecl(elDeclIdx, fAttributeDecl) && fAttributeDecl.simpleType.type != XMLSimpleType.TYPE_CDATA){ return false; } return true; } /** * getEntityDeclIndex * * @param entityDeclName * * @return the index of the EntityDecl */ public int getEntityDeclIndex(String entityDeclName) { if (entityDeclName == null) { return -1; } return fEntityIndexMap.get(entityDeclName); } // getEntityDeclIndex /** * getEntityDecl * * @param entityDeclIndex * @param entityDecl * * @return true if getEntityDecl was able to fill entityDecl with the contents of the entity * with index entityDeclIndex */ public boolean getEntityDecl(int entityDeclIndex, XMLEntityDecl entityDecl) { if (entityDeclIndex < 0 || entityDeclIndex >= fEntityCount) { return false; } int chunk = entityDeclIndex >> CHUNK_SHIFT; int index = entityDeclIndex & CHUNK_MASK; entityDecl.setValues(fEntityName[chunk][index], fEntityPublicId[chunk][index], fEntitySystemId[chunk][index], fEntityBaseSystemId[chunk][index], fEntityNotation[chunk][index], fEntityValue[chunk][index], fEntityIsPE[chunk][index] == 0 ? false : true , fEntityInExternal[chunk][index] == 0 ? false : true ); return true; } // getEntityDecl /** * getNotationDeclIndex * * @param notationDeclName * * @return the index if found a notation with the name, otherwise -1. */ public int getNotationDeclIndex(String notationDeclName) { if (notationDeclName == null) { return -1; } return fNotationIndexMap.get(notationDeclName); } // getNotationDeclIndex /** * getNotationDecl * * @param notationDeclIndex * @param notationDecl * * @return return true of getNotationDecl can fill notationDecl with information about * the notation at notationDeclIndex. */ public boolean getNotationDecl(int notationDeclIndex, XMLNotationDecl notationDecl) { if (notationDeclIndex < 0 || notationDeclIndex >= fNotationCount) { return false; } int chunk = notationDeclIndex >> CHUNK_SHIFT; int index = notationDeclIndex & CHUNK_MASK; notationDecl.setValues(fNotationName[chunk][index], fNotationPublicId[chunk][index], fNotationSystemId[chunk][index], fNotationBaseSystemId[chunk][index]); return true; } // getNotationDecl /** * getContentSpec * * @param contentSpecIndex * @param contentSpec * * @return true if find the requested contentSpec node, false otherwise */ public boolean getContentSpec(int contentSpecIndex, XMLContentSpec contentSpec) { if (contentSpecIndex < 0 || contentSpecIndex >= fContentSpecCount ) return false; int chunk = contentSpecIndex >> CHUNK_SHIFT; int index = contentSpecIndex & CHUNK_MASK; contentSpec.type = fContentSpecType[chunk][index]; contentSpec.value = fContentSpecValue[chunk][index]; contentSpec.otherValue = fContentSpecOtherValue[chunk][index]; return true; } /** * Returns the index to the content spec for the given element * declaration, or -1 if the element declaration * index was invalid. */ public int getContentSpecIndex(int elementDeclIndex) { if (elementDeclIndex < 0 || elementDeclIndex >= fElementDeclCount) { return -1; } final int chunk = elementDeclIndex >> CHUNK_SHIFT; final int index = elementDeclIndex & CHUNK_MASK; return fElementDeclContentSpecIndex[chunk][index]; } /** * getContentSpecAsString * * @param elementDeclIndex * * @return String */ public String getContentSpecAsString(int elementDeclIndex){ if (elementDeclIndex < 0 || elementDeclIndex >= fElementDeclCount) { return null; } int chunk = elementDeclIndex >> CHUNK_SHIFT; int index = elementDeclIndex & CHUNK_MASK; int contentSpecIndex = fElementDeclContentSpecIndex[chunk][index]; // lookup content spec node XMLContentSpec contentSpec = new XMLContentSpec(); if (getContentSpec(contentSpecIndex, contentSpec)) { // build string StringBuffer str = new StringBuffer(); int parentContentSpecType = contentSpec.type & 0x0f; int nextContentSpec; switch (parentContentSpecType) { case XMLContentSpec.CONTENTSPECNODE_LEAF: { str.append('('); if (contentSpec.value == null && contentSpec.otherValue == null) { str.append("#PCDATA"); } else { str.append(contentSpec.value); } str.append(')'); break; } case XMLContentSpec.CONTENTSPECNODE_ZERO_OR_ONE: { getContentSpec(((int[])contentSpec.value)[0], contentSpec); nextContentSpec = contentSpec.type; if (nextContentSpec == XMLContentSpec.CONTENTSPECNODE_LEAF) { str.append('('); str.append(contentSpec.value); str.append(')'); } else if( nextContentSpec == XMLContentSpec.CONTENTSPECNODE_ONE_OR_MORE || nextContentSpec == XMLContentSpec.CONTENTSPECNODE_ZERO_OR_MORE || nextContentSpec == XMLContentSpec.CONTENTSPECNODE_ZERO_OR_ONE ) { str.append('(' ); appendContentSpec(contentSpec, str, true, parentContentSpecType ); str.append(')'); } else { appendContentSpec(contentSpec, str, true, parentContentSpecType ); } str.append('?'); break; } case XMLContentSpec.CONTENTSPECNODE_ZERO_OR_MORE: { getContentSpec(((int[])contentSpec.value)[0], contentSpec); nextContentSpec = contentSpec.type; if ( nextContentSpec == XMLContentSpec.CONTENTSPECNODE_LEAF) { str.append('('); if (contentSpec.value == null && contentSpec.otherValue == null) { str.append("#PCDATA"); } else if (contentSpec.otherValue != null) { str.append("##any:uri=").append(contentSpec.otherValue); } else if (contentSpec.value == null) { str.append("##any"); } else { appendContentSpec(contentSpec, str, true, parentContentSpecType ); } str.append(')'); } else if( nextContentSpec == XMLContentSpec.CONTENTSPECNODE_ONE_OR_MORE || nextContentSpec == XMLContentSpec.CONTENTSPECNODE_ZERO_OR_MORE || nextContentSpec == XMLContentSpec.CONTENTSPECNODE_ZERO_OR_ONE ) { str.append('(' ); appendContentSpec(contentSpec, str, true, parentContentSpecType ); str.append(')'); } else { appendContentSpec(contentSpec, str, true, parentContentSpecType ); } str.append('*'); break; } case XMLContentSpec.CONTENTSPECNODE_ONE_OR_MORE: { getContentSpec(((int[])contentSpec.value)[0], contentSpec); nextContentSpec = contentSpec.type; if ( nextContentSpec == XMLContentSpec.CONTENTSPECNODE_LEAF) { str.append('('); if (contentSpec.value == null && contentSpec.otherValue == null) { str.append("#PCDATA"); } else if (contentSpec.otherValue != null) { str.append("##any:uri=").append(contentSpec.otherValue); } else if (contentSpec.value == null) { str.append("##any"); } else { str.append(contentSpec.value); } str.append(')'); } else if( nextContentSpec == XMLContentSpec.CONTENTSPECNODE_ONE_OR_MORE || nextContentSpec == XMLContentSpec.CONTENTSPECNODE_ZERO_OR_MORE || nextContentSpec == XMLContentSpec.CONTENTSPECNODE_ZERO_OR_ONE ) { str.append('(' ); appendContentSpec(contentSpec, str, true, parentContentSpecType ); str.append(')'); } else { appendContentSpec(contentSpec, str, true, parentContentSpecType); } str.append('+'); break; } case XMLContentSpec.CONTENTSPECNODE_CHOICE: case XMLContentSpec.CONTENTSPECNODE_SEQ: { appendContentSpec(contentSpec, str, true, parentContentSpecType ); break; } case XMLContentSpec.CONTENTSPECNODE_ANY: { str.append("##any"); if (contentSpec.otherValue != null) { str.append(":uri="); str.append(contentSpec.otherValue); } break; } case XMLContentSpec.CONTENTSPECNODE_ANY_OTHER: { str.append("##other:uri="); str.append(contentSpec.otherValue); break; } case XMLContentSpec.CONTENTSPECNODE_ANY_LOCAL: { str.append("##local"); break; } default: { str.append("???"); } } // switch type // return string return str.toString(); } // not found return null; } // getContentSpecAsString(int):String // debugging public void printElements( ) { int elementDeclIndex = 0; XMLElementDecl elementDecl = new XMLElementDecl(); while (getElementDecl(elementDeclIndex++, elementDecl)) { System.out.println("element decl: "+elementDecl.name+ ", "+ elementDecl.name.rawname ); // ", "+ elementDecl.contentModelValidator.toString()); } } public void printAttributes(int elementDeclIndex) { int attributeDeclIndex = getFirstAttributeDeclIndex(elementDeclIndex); System.out.print(elementDeclIndex); System.out.print(" ["); while (attributeDeclIndex != -1) { System.out.print(' '); System.out.print(attributeDeclIndex); printAttribute(attributeDeclIndex); attributeDeclIndex = getNextAttributeDeclIndex(attributeDeclIndex); if (attributeDeclIndex != -1) { System.out.print(","); } } System.out.println(" ]"); } // // Protected methods // /** * Adds the content spec to the given element declaration. */ protected void addContentSpecToElement(XMLElementDecl elementDecl) { if ((fDepth == 0 || (fDepth == 1 && elementDecl.type == XMLElementDecl.TYPE_MIXED)) && fNodeIndexStack != null) { if (elementDecl.type == XMLElementDecl.TYPE_MIXED) { int pcdata = addUniqueLeafNode(null); if (fNodeIndexStack[0] == -1) { fNodeIndexStack[0] = pcdata; } else { fNodeIndexStack[0] = addContentSpecNode(XMLContentSpec.CONTENTSPECNODE_CHOICE, pcdata, fNodeIndexStack[0]); } } setContentSpecIndex(fCurrentElementIndex, fNodeIndexStack[fDepth]); } } /** * getElementContentModelValidator * * @param elementDeclIndex * * @return its ContentModelValidator if any. */ protected ContentModelValidator getElementContentModelValidator(int elementDeclIndex) { int chunk = elementDeclIndex >> CHUNK_SHIFT; int index = elementDeclIndex & CHUNK_MASK; ContentModelValidator contentModel = fElementDeclContentModelValidator[chunk][index]; // If we have one, just return that. Otherwise, gotta create one if (contentModel != null) { return contentModel; } int contentType = fElementDeclType[chunk][index]; if (contentType == XMLElementDecl.TYPE_SIMPLE) { return null; } // Get the type of content this element has int contentSpecIndex = fElementDeclContentSpecIndex[chunk][index]; /*** if ( contentSpecIndex == -1 ) return null; /***/ XMLContentSpec contentSpec = new XMLContentSpec(); getContentSpec( contentSpecIndex, contentSpec ); // And create the content model according to the spec type if ( contentType == XMLElementDecl.TYPE_MIXED ) { // // Just create a mixel content model object. This type of // content model is optimized for mixed content validation. // ChildrenList children = new ChildrenList(); contentSpecTree(contentSpecIndex, contentSpec, children); contentModel = new MixedContentModel(children.qname, children.type, 0, children.length, false); } else if (contentType == XMLElementDecl.TYPE_CHILDREN) { // This method will create an optimal model for the complexity // of the element's defined model. If its simple, it will create // a SimpleContentModel object. If its a simple list, it will // create a SimpleListContentModel object. If its complex, it // will create a DFAContentModel object. // contentModel = createChildModel(contentSpecIndex); } else { throw new RuntimeException("Unknown content type for a element decl " + "in getElementContentModelValidator() in AbstractDTDGrammar class"); } // Add the new model to the content model for this element fElementDeclContentModelValidator[chunk][index] = contentModel; return contentModel; } // getElementContentModelValidator(int):ContentModelValidator protected int createElementDecl() { int chunk = fElementDeclCount >> CHUNK_SHIFT; int index = fElementDeclCount & CHUNK_MASK; ensureElementDeclCapacity(chunk); fElementDeclName[chunk][index] = new QName(); fElementDeclType[chunk][index] = -1; fElementDeclContentModelValidator[chunk][index] = null; fElementDeclFirstAttributeDeclIndex[chunk][index] = -1; fElementDeclLastAttributeDeclIndex[chunk][index] = -1; return fElementDeclCount++; } protected void setElementDecl(int elementDeclIndex, XMLElementDecl elementDecl) { if (elementDeclIndex < 0 || elementDeclIndex >= fElementDeclCount) { return; } int chunk = elementDeclIndex >> CHUNK_SHIFT; int index = elementDeclIndex & CHUNK_MASK; fElementDeclName[chunk][index].setValues(elementDecl.name); fElementDeclType[chunk][index] = elementDecl.type; fElementDeclContentModelValidator[chunk][index] = elementDecl.contentModelValidator; if (elementDecl.simpleType.list == true ) { fElementDeclType[chunk][index] |= LIST_FLAG; } fElementIndexMap.put(elementDecl.name.rawname, elementDeclIndex); } protected void putElementNameMapping(QName name, int scope, int elementDeclIndex) { } protected void setFirstAttributeDeclIndex(int elementDeclIndex, int newFirstAttrIndex){ if (elementDeclIndex < 0 || elementDeclIndex >= fElementDeclCount) { return; } int chunk = elementDeclIndex >> CHUNK_SHIFT; int index = elementDeclIndex & CHUNK_MASK; fElementDeclFirstAttributeDeclIndex[chunk][index] = newFirstAttrIndex; } protected void setContentSpecIndex(int elementDeclIndex, int contentSpecIndex){ if (elementDeclIndex < 0 || elementDeclIndex >= fElementDeclCount) { return; } int chunk = elementDeclIndex >> CHUNK_SHIFT; int index = elementDeclIndex & CHUNK_MASK; fElementDeclContentSpecIndex[chunk][index] = contentSpecIndex; } protected int createAttributeDecl() { int chunk = fAttributeDeclCount >> CHUNK_SHIFT; int index = fAttributeDeclCount & CHUNK_MASK; ensureAttributeDeclCapacity(chunk); fAttributeDeclName[chunk][index] = new QName(); fAttributeDeclType[chunk][index] = -1; fAttributeDeclDatatypeValidator[chunk][index] = null; fAttributeDeclEnumeration[chunk][index] = null; fAttributeDeclDefaultType[chunk][index] = XMLSimpleType.DEFAULT_TYPE_IMPLIED; fAttributeDeclDefaultValue[chunk][index] = null; fAttributeDeclNonNormalizedDefaultValue[chunk][index] = null; fAttributeDeclNextAttributeDeclIndex[chunk][index] = -1; return fAttributeDeclCount++; } protected void setAttributeDecl(int elementDeclIndex, int attributeDeclIndex, XMLAttributeDecl attributeDecl) { int attrChunk = attributeDeclIndex >> CHUNK_SHIFT; int attrIndex = attributeDeclIndex & CHUNK_MASK; fAttributeDeclName[attrChunk][attrIndex].setValues(attributeDecl.name); fAttributeDeclType[attrChunk][attrIndex] = attributeDecl.simpleType.type; if (attributeDecl.simpleType.list) { fAttributeDeclType[attrChunk][attrIndex] |= LIST_FLAG; } fAttributeDeclEnumeration[attrChunk][attrIndex] = attributeDecl.simpleType.enumeration; fAttributeDeclDefaultType[attrChunk][attrIndex] = attributeDecl.simpleType.defaultType; fAttributeDeclDatatypeValidator[attrChunk][attrIndex] = attributeDecl.simpleType.datatypeValidator; fAttributeDeclDefaultValue[attrChunk][attrIndex] = attributeDecl.simpleType.defaultValue; fAttributeDeclNonNormalizedDefaultValue[attrChunk][attrIndex] = attributeDecl.simpleType.nonNormalizedDefaultValue; int elemChunk = elementDeclIndex >> CHUNK_SHIFT; int elemIndex = elementDeclIndex & CHUNK_MASK; int index = fElementDeclFirstAttributeDeclIndex[elemChunk][elemIndex]; while (index != -1) { if (index == attributeDeclIndex) { break; } attrChunk = index >> CHUNK_SHIFT; attrIndex = index & CHUNK_MASK; index = fAttributeDeclNextAttributeDeclIndex[attrChunk][attrIndex]; } if (index == -1) { if (fElementDeclFirstAttributeDeclIndex[elemChunk][elemIndex] == -1) { fElementDeclFirstAttributeDeclIndex[elemChunk][elemIndex] = attributeDeclIndex; } else { index = fElementDeclLastAttributeDeclIndex[elemChunk][elemIndex]; attrChunk = index >> CHUNK_SHIFT; attrIndex = index & CHUNK_MASK; fAttributeDeclNextAttributeDeclIndex[attrChunk][attrIndex] = attributeDeclIndex; } fElementDeclLastAttributeDeclIndex[elemChunk][elemIndex] = attributeDeclIndex; } } protected int createContentSpec() { int chunk = fContentSpecCount >> CHUNK_SHIFT; int index = fContentSpecCount & CHUNK_MASK; ensureContentSpecCapacity(chunk); fContentSpecType[chunk][index] = -1; fContentSpecValue[chunk][index] = null; fContentSpecOtherValue[chunk][index] = null; return fContentSpecCount++; } protected void setContentSpec(int contentSpecIndex, XMLContentSpec contentSpec) { int chunk = contentSpecIndex >> CHUNK_SHIFT; int index = contentSpecIndex & CHUNK_MASK; fContentSpecType[chunk][index] = contentSpec.type; fContentSpecValue[chunk][index] = contentSpec.value; fContentSpecOtherValue[chunk][index] = contentSpec.otherValue; } protected int createEntityDecl() { int chunk = fEntityCount >> CHUNK_SHIFT; int index = fEntityCount & CHUNK_MASK; ensureEntityDeclCapacity(chunk); fEntityIsPE[chunk][index] = 0; fEntityInExternal[chunk][index] = 0; return fEntityCount++; } protected void setEntityDecl(int entityDeclIndex, XMLEntityDecl entityDecl) { int chunk = entityDeclIndex >> CHUNK_SHIFT; int index = entityDeclIndex & CHUNK_MASK; fEntityName[chunk][index] = entityDecl.name; fEntityValue[chunk][index] = entityDecl.value; fEntityPublicId[chunk][index] = entityDecl.publicId; fEntitySystemId[chunk][index] = entityDecl.systemId; fEntityBaseSystemId[chunk][index] = entityDecl.baseSystemId; fEntityNotation[chunk][index] = entityDecl.notation; fEntityIsPE[chunk][index] = entityDecl.isPE ? (byte)1 : (byte)0; fEntityInExternal[chunk][index] = entityDecl.inExternal ? (byte)1 : (byte)0; fEntityIndexMap.put(entityDecl.name, entityDeclIndex); } protected int createNotationDecl() { int chunk = fNotationCount >> CHUNK_SHIFT; ensureNotationDeclCapacity(chunk); return fNotationCount++; } protected void setNotationDecl(int notationDeclIndex, XMLNotationDecl notationDecl) { int chunk = notationDeclIndex >> CHUNK_SHIFT; int index = notationDeclIndex & CHUNK_MASK; fNotationName[chunk][index] = notationDecl.name; fNotationPublicId[chunk][index] = notationDecl.publicId; fNotationSystemId[chunk][index] = notationDecl.systemId; fNotationBaseSystemId[chunk][index] = notationDecl.baseSystemId; fNotationIndexMap.put(notationDecl.name, notationDeclIndex); } /** * Create an XMLContentSpec for a single non-leaf * * @param nodeType the type of XMLContentSpec to create - from XMLContentSpec.CONTENTSPECNODE_* * @param nodeValue handle to an XMLContentSpec * @return handle to the newly create XMLContentSpec */ protected int addContentSpecNode(short nodeType, String nodeValue) { // create content spec node int contentSpecIndex = createContentSpec(); // set content spec node values fContentSpec.setValues(nodeType, nodeValue, null); setContentSpec(contentSpecIndex, fContentSpec); // return index return contentSpecIndex; } // addContentSpecNode(short,String):int /** * create an XMLContentSpec for a leaf * * @param elementName the name (Element) for the node * @return handle to the newly create XMLContentSpec */ protected int addUniqueLeafNode(String elementName) { // create content spec node int contentSpecIndex = createContentSpec(); // set content spec node values fContentSpec.setValues( XMLContentSpec.CONTENTSPECNODE_LEAF, elementName, null); setContentSpec(contentSpecIndex, fContentSpec); // return index return contentSpecIndex; } // addUniqueLeafNode(String):int /** * Create an XMLContentSpec for a two child leaf * * @param nodeType the type of XMLContentSpec to create - from XMLContentSpec.CONTENTSPECNODE_* * @param leftNodeIndex handle to an XMLContentSpec * @param rightNodeIndex handle to an XMLContentSpec * @return handle to the newly create XMLContentSpec */ protected int addContentSpecNode(short nodeType, int leftNodeIndex, int rightNodeIndex) { // create content spec node int contentSpecIndex = createContentSpec(); // set content spec node values int[] leftIntArray = new int[1]; int[] rightIntArray = new int[1]; leftIntArray[0] = leftNodeIndex; rightIntArray[0] = rightNodeIndex; fContentSpec.setValues(nodeType, leftIntArray, rightIntArray); setContentSpec(contentSpecIndex, fContentSpec); // return index return contentSpecIndex; } // addContentSpecNode(short,int,int):int /** Initialize content model stack. */ protected void initializeContentModelStack() { if (fOpStack == null) { fOpStack = new short[8]; fNodeIndexStack = new int[8]; fPrevNodeIndexStack = new int[8]; } else if (fDepth == fOpStack.length) { short[] newStack = new short[fDepth * 2]; System.arraycopy(fOpStack, 0, newStack, 0, fDepth); fOpStack = newStack; int[] newIntStack = new int[fDepth * 2]; System.arraycopy(fNodeIndexStack, 0, newIntStack, 0, fDepth); fNodeIndexStack = newIntStack; newIntStack = new int[fDepth * 2]; System.arraycopy(fPrevNodeIndexStack, 0, newIntStack, 0, fDepth); fPrevNodeIndexStack = newIntStack; } fOpStack[fDepth] = -1; fNodeIndexStack[fDepth] = -1; fPrevNodeIndexStack[fDepth] = -1; } // initializeContentModelStack() boolean isImmutable() { return fIsImmutable; } // // Private methods // private void appendContentSpec(XMLContentSpec contentSpec, StringBuffer str, boolean parens, int parentContentSpecType ) { int thisContentSpec = contentSpec.type & 0x0f; switch (thisContentSpec) { case XMLContentSpec.CONTENTSPECNODE_LEAF: { if (contentSpec.value == null && contentSpec.otherValue == null) { str.append("#PCDATA"); } else if (contentSpec.value == null && contentSpec.otherValue != null) { str.append("##any:uri=").append(contentSpec.otherValue); } else if (contentSpec.value == null) { str.append("##any"); } else { str.append(contentSpec.value); } break; } case XMLContentSpec.CONTENTSPECNODE_ZERO_OR_ONE: { if (parentContentSpecType == XMLContentSpec.CONTENTSPECNODE_ONE_OR_MORE || parentContentSpecType == XMLContentSpec.CONTENTSPECNODE_ZERO_OR_MORE || parentContentSpecType == XMLContentSpec.CONTENTSPECNODE_ZERO_OR_ONE ) { getContentSpec(((int[])contentSpec.value)[0], contentSpec); str.append('('); appendContentSpec(contentSpec, str, true, thisContentSpec ); str.append(')'); } else { getContentSpec(((int[])contentSpec.value)[0], contentSpec); appendContentSpec( contentSpec, str, true, thisContentSpec ); } str.append('?'); break; } case XMLContentSpec.CONTENTSPECNODE_ZERO_OR_MORE: { if (parentContentSpecType == XMLContentSpec.CONTENTSPECNODE_ONE_OR_MORE || parentContentSpecType == XMLContentSpec.CONTENTSPECNODE_ZERO_OR_MORE || parentContentSpecType == XMLContentSpec.CONTENTSPECNODE_ZERO_OR_ONE ) { getContentSpec(((int[])contentSpec.value)[0], contentSpec); str.append('('); appendContentSpec(contentSpec, str, true, thisContentSpec); str.append(')' ); } else { getContentSpec(((int[])contentSpec.value)[0], contentSpec); appendContentSpec(contentSpec, str, true, thisContentSpec); } str.append('*'); break; } case XMLContentSpec.CONTENTSPECNODE_ONE_OR_MORE: { if (parentContentSpecType == XMLContentSpec.CONTENTSPECNODE_ONE_OR_MORE || parentContentSpecType == XMLContentSpec.CONTENTSPECNODE_ZERO_OR_MORE || parentContentSpecType == XMLContentSpec.CONTENTSPECNODE_ZERO_OR_ONE ) { str.append('('); getContentSpec(((int[])contentSpec.value)[0], contentSpec); appendContentSpec(contentSpec, str, true, thisContentSpec); str.append(')' ); } else { getContentSpec(((int[])contentSpec.value)[0], contentSpec); appendContentSpec(contentSpec, str, true, thisContentSpec); } str.append('+'); break; } case XMLContentSpec.CONTENTSPECNODE_CHOICE: case XMLContentSpec.CONTENTSPECNODE_SEQ: { if (parens) { str.append('('); } int type = contentSpec.type; int otherValue = ((int[])contentSpec.otherValue)[0]; getContentSpec(((int[])contentSpec.value)[0], contentSpec); appendContentSpec(contentSpec, str, contentSpec.type != type, thisContentSpec); if (type == XMLContentSpec.CONTENTSPECNODE_CHOICE) { str.append('|'); } else { str.append(','); } getContentSpec(otherValue, contentSpec); appendContentSpec(contentSpec, str, true, thisContentSpec); if (parens) { str.append(')'); } break; } case XMLContentSpec.CONTENTSPECNODE_ANY: { str.append("##any"); if (contentSpec.otherValue != null) { str.append(":uri="); str.append(contentSpec.otherValue); } break; } case XMLContentSpec.CONTENTSPECNODE_ANY_OTHER: { str.append("##other:uri="); str.append(contentSpec.otherValue); break; } case XMLContentSpec.CONTENTSPECNODE_ANY_LOCAL: { str.append("##local"); break; } default: { str.append("???"); break; } } // switch type } // appendContentSpec(XMLContentSpec.Provider,StringPool,XMLContentSpec,StringBuffer,boolean) // debugging private void printAttribute(int attributeDeclIndex) { XMLAttributeDecl attributeDecl = new XMLAttributeDecl(); if (getAttributeDecl(attributeDeclIndex, attributeDecl)) { System.out.print(" { "); System.out.print(attributeDecl.name.localpart); System.out.print(" }"); } } // printAttribute(int) // content models /** * When the element has a 'CHILDREN' model, this method is called to * create the content model object. It looks for some special case simple * models and creates SimpleContentModel objects for those. For the rest * it creates the standard DFA style model. */ private synchronized ContentModelValidator createChildModel(int contentSpecIndex) { // // Get the content spec node for the element we are working on. // This will tell us what kind of node it is, which tells us what // kind of model we will try to create. // XMLContentSpec contentSpec = new XMLContentSpec(); getContentSpec(contentSpecIndex, contentSpec); if ((contentSpec.type & 0x0f ) == XMLContentSpec.CONTENTSPECNODE_ANY || (contentSpec.type & 0x0f ) == XMLContentSpec.CONTENTSPECNODE_ANY_OTHER || (contentSpec.type & 0x0f ) == XMLContentSpec.CONTENTSPECNODE_ANY_LOCAL) { // let fall through to build a DFAContentModel } else if (contentSpec.type == XMLContentSpec.CONTENTSPECNODE_LEAF) { // // Check that the left value is not -1, since any content model // with PCDATA should be MIXED, so we should not have gotten here. // if (contentSpec.value == null && contentSpec.otherValue == null) throw new RuntimeException("ImplementationMessages.VAL_NPCD"); // // Its a single leaf, so its an 'a' type of content model, i.e. // just one instance of one element. That one is definitely a // simple content model. // fQName.setValues(null, (String)contentSpec.value, (String)contentSpec.value, (String)contentSpec.otherValue); return new SimpleContentModel(contentSpec.type, fQName, null); } else if ((contentSpec.type == XMLContentSpec.CONTENTSPECNODE_CHOICE) || (contentSpec.type == XMLContentSpec.CONTENTSPECNODE_SEQ)) { // // Lets see if both of the children are leafs. If so, then it // it has to be a simple content model // XMLContentSpec contentSpecLeft = new XMLContentSpec(); XMLContentSpec contentSpecRight = new XMLContentSpec(); getContentSpec( ((int[])contentSpec.value)[0], contentSpecLeft); getContentSpec( ((int[])contentSpec.otherValue)[0], contentSpecRight); if ((contentSpecLeft.type == XMLContentSpec.CONTENTSPECNODE_LEAF) && (contentSpecRight.type == XMLContentSpec.CONTENTSPECNODE_LEAF)) { // // Its a simple choice or sequence, so we can do a simple // content model for it. // fQName.setValues(null, (String)contentSpecLeft.value, (String)contentSpecLeft.value, (String)contentSpecLeft.otherValue); fQName2.setValues(null, (String)contentSpecRight.value, (String)contentSpecRight.value, (String)contentSpecRight.otherValue); return new SimpleContentModel(contentSpec.type, fQName, fQName2); } } else if ((contentSpec.type == XMLContentSpec.CONTENTSPECNODE_ZERO_OR_ONE) || (contentSpec.type == XMLContentSpec.CONTENTSPECNODE_ZERO_OR_MORE) || (contentSpec.type == XMLContentSpec.CONTENTSPECNODE_ONE_OR_MORE)) { // // Its a repetition, so see if its one child is a leaf. If so // its a repetition of a single element, so we can do a simple // content model for that. // XMLContentSpec contentSpecLeft = new XMLContentSpec(); getContentSpec(((int[])contentSpec.value)[0], contentSpecLeft); if (contentSpecLeft.type == XMLContentSpec.CONTENTSPECNODE_LEAF) { // // It is, so we can create a simple content model here that // will check for this repetition. We pass -1 for the unused // right node. // fQName.setValues(null, (String)contentSpecLeft.value, (String)contentSpecLeft.value, (String)contentSpecLeft.otherValue); return new SimpleContentModel(contentSpec.type, fQName, null); } } else { throw new RuntimeException("ImplementationMessages.VAL_CST"); } // // Its not a simple content model, so here we have to create a DFA // for this element. So we create a DFAContentModel object. He // encapsulates all of the work to create the DFA. // fLeafCount = 0; //int leafCount = countLeaves(contentSpecIndex); fLeafCount = 0; CMNode cmn = buildSyntaxTree(contentSpecIndex, contentSpec); // REVISIT: has to be fLeafCount because we convert x+ to x,x*, one more leaf return new DFAContentModel( cmn, fLeafCount, false); } // createChildModel(int):ContentModelValidator private final CMNode buildSyntaxTree(int startNode, XMLContentSpec contentSpec) { // We will build a node at this level for the new tree CMNode nodeRet = null; getContentSpec(startNode, contentSpec); if ((contentSpec.type & 0x0f) == XMLContentSpec.CONTENTSPECNODE_ANY) { //nodeRet = new CMAny(contentSpec.type, -1, fLeafCount++); nodeRet = new CMAny(contentSpec.type, (String)contentSpec.otherValue, fLeafCount++); } else if ((contentSpec.type & 0x0f) == XMLContentSpec.CONTENTSPECNODE_ANY_OTHER) { nodeRet = new CMAny(contentSpec.type, (String)contentSpec.otherValue, fLeafCount++); } else if ((contentSpec.type & 0x0f) == XMLContentSpec.CONTENTSPECNODE_ANY_LOCAL) { nodeRet = new CMAny(contentSpec.type, null, fLeafCount++); } // // If this node is a leaf, then its an easy one. We just add it // to the tree. // else if (contentSpec.type == XMLContentSpec.CONTENTSPECNODE_LEAF) { // // Create a new leaf node, and pass it the current leaf count, // which is its DFA state position. Bump the leaf count after // storing it. This makes the positions zero based since we // store first and then increment. // fQName.setValues(null, (String)contentSpec.value, (String)contentSpec.value, (String)contentSpec.otherValue); nodeRet = new CMLeaf(fQName, fLeafCount++); } else { // // Its not a leaf, so we have to recurse its left and maybe right // nodes. Save both values before we recurse and trash the node. final int leftNode = ((int[])contentSpec.value)[0]; final int rightNode = ((int[])contentSpec.otherValue)[0]; if ((contentSpec.type == XMLContentSpec.CONTENTSPECNODE_CHOICE) || (contentSpec.type == XMLContentSpec.CONTENTSPECNODE_SEQ)) { // // Recurse on both children, and return a binary op node // with the two created sub nodes as its children. The node // type is the same type as the source. // nodeRet = new CMBinOp( contentSpec.type, buildSyntaxTree(leftNode, contentSpec) , buildSyntaxTree(rightNode, contentSpec)); } else if (contentSpec.type == XMLContentSpec.CONTENTSPECNODE_ZERO_OR_MORE) { nodeRet = new CMUniOp( contentSpec.type, buildSyntaxTree(leftNode, contentSpec)); } else if (contentSpec.type == XMLContentSpec.CONTENTSPECNODE_ZERO_OR_MORE || contentSpec.type == XMLContentSpec.CONTENTSPECNODE_ZERO_OR_ONE || contentSpec.type == XMLContentSpec.CONTENTSPECNODE_ONE_OR_MORE) { nodeRet = new CMUniOp(contentSpec.type, buildSyntaxTree(leftNode, contentSpec)); } else { throw new RuntimeException("ImplementationMessages.VAL_CST"); } } // And return our new node for this level return nodeRet; } /** * Build a vector of valid QNames from Content Spec * table. * * @param contentSpecIndex * Content Spec index * @param vectorQName * Array of QName * @exception RuntimeException */ private void contentSpecTree(int contentSpecIndex, XMLContentSpec contentSpec, ChildrenList children) { // Handle any and leaf nodes getContentSpec( contentSpecIndex, contentSpec); if ( contentSpec.type == XMLContentSpec.CONTENTSPECNODE_LEAF || (contentSpec.type & 0x0f) == XMLContentSpec.CONTENTSPECNODE_ANY || (contentSpec.type & 0x0f) == XMLContentSpec.CONTENTSPECNODE_ANY_LOCAL || (contentSpec.type & 0x0f) == XMLContentSpec.CONTENTSPECNODE_ANY_OTHER) { // resize arrays, if needed if (children.length == children.qname.length) { QName[] newQName = new QName[children.length * 2]; System.arraycopy(children.qname, 0, newQName, 0, children.length); children.qname = newQName; int[] newType = new int[children.length * 2]; System.arraycopy(children.type, 0, newType, 0, children.length); children.type = newType; } // save values and return length children.qname[children.length] = new QName(null, (String)contentSpec.value, (String) contentSpec.value, (String) contentSpec.otherValue); children.type[children.length] = contentSpec.type; children.length++; return; } // // Its not a leaf, so we have to recurse its left and maybe right // nodes. Save both values before we recurse and trash the node. // final int leftNode = contentSpec.value != null ? ((int[])(contentSpec.value))[0] : -1; int rightNode = -1 ; if (contentSpec.otherValue != null ) rightNode = ((int[])(contentSpec.otherValue))[0]; else return; if (contentSpec.type == XMLContentSpec.CONTENTSPECNODE_CHOICE || contentSpec.type == XMLContentSpec.CONTENTSPECNODE_SEQ) { contentSpecTree(leftNode, contentSpec, children); contentSpecTree(rightNode, contentSpec, children); return; } if (contentSpec.type == XMLContentSpec.CONTENTSPECNODE_ZERO_OR_ONE || contentSpec.type == XMLContentSpec.CONTENTSPECNODE_ZERO_OR_MORE || contentSpec.type == XMLContentSpec.CONTENTSPECNODE_ONE_OR_MORE) { contentSpecTree(leftNode, contentSpec, children); return; } // error throw new RuntimeException("Invalid content spec type seen in contentSpecTree() method of AbstractDTDGrammar class : "+contentSpec.type); } // contentSpecTree(int,XMLContentSpec,ChildrenList) // ensure capacity private void ensureElementDeclCapacity(int chunk) { if (chunk >= fElementDeclName.length) { fElementDeclIsExternal = resize(fElementDeclIsExternal, fElementDeclIsExternal.length * 2); fElementDeclName = resize(fElementDeclName, fElementDeclName.length * 2); fElementDeclType = resize(fElementDeclType, fElementDeclType.length * 2); fElementDeclContentModelValidator = resize(fElementDeclContentModelValidator, fElementDeclContentModelValidator.length * 2); fElementDeclContentSpecIndex = resize(fElementDeclContentSpecIndex,fElementDeclContentSpecIndex.length * 2); fElementDeclFirstAttributeDeclIndex = resize(fElementDeclFirstAttributeDeclIndex, fElementDeclFirstAttributeDeclIndex.length * 2); fElementDeclLastAttributeDeclIndex = resize(fElementDeclLastAttributeDeclIndex, fElementDeclLastAttributeDeclIndex.length * 2); } else if (fElementDeclName[chunk] != null) { return; } fElementDeclIsExternal[chunk] = new int[CHUNK_SIZE]; fElementDeclName[chunk] = new QName[CHUNK_SIZE]; fElementDeclType[chunk] = new short[CHUNK_SIZE]; fElementDeclContentModelValidator[chunk] = new ContentModelValidator[CHUNK_SIZE]; fElementDeclContentSpecIndex[chunk] = new int[CHUNK_SIZE]; fElementDeclFirstAttributeDeclIndex[chunk] = new int[CHUNK_SIZE]; fElementDeclLastAttributeDeclIndex[chunk] = new int[CHUNK_SIZE]; return; } private void ensureAttributeDeclCapacity(int chunk) { if (chunk >= fAttributeDeclName.length) { fAttributeDeclIsExternal = resize(fAttributeDeclIsExternal, fAttributeDeclIsExternal.length * 2); fAttributeDeclName = resize(fAttributeDeclName, fAttributeDeclName.length * 2); fAttributeDeclType = resize(fAttributeDeclType, fAttributeDeclType.length * 2); fAttributeDeclEnumeration = resize(fAttributeDeclEnumeration, fAttributeDeclEnumeration.length * 2); fAttributeDeclDefaultType = resize(fAttributeDeclDefaultType, fAttributeDeclDefaultType.length * 2); fAttributeDeclDatatypeValidator = resize(fAttributeDeclDatatypeValidator, fAttributeDeclDatatypeValidator.length * 2); fAttributeDeclDefaultValue = resize(fAttributeDeclDefaultValue, fAttributeDeclDefaultValue.length * 2); fAttributeDeclNonNormalizedDefaultValue = resize(fAttributeDeclNonNormalizedDefaultValue, fAttributeDeclNonNormalizedDefaultValue.length * 2); fAttributeDeclNextAttributeDeclIndex = resize(fAttributeDeclNextAttributeDeclIndex, fAttributeDeclNextAttributeDeclIndex.length * 2); } else if (fAttributeDeclName[chunk] != null) { return; } fAttributeDeclIsExternal[chunk] = new int[CHUNK_SIZE]; fAttributeDeclName[chunk] = new QName[CHUNK_SIZE]; fAttributeDeclType[chunk] = new short[CHUNK_SIZE]; fAttributeDeclEnumeration[chunk] = new String[CHUNK_SIZE][]; fAttributeDeclDefaultType[chunk] = new short[CHUNK_SIZE]; fAttributeDeclDatatypeValidator[chunk] = new DatatypeValidator[CHUNK_SIZE]; fAttributeDeclDefaultValue[chunk] = new String[CHUNK_SIZE]; fAttributeDeclNonNormalizedDefaultValue[chunk] = new String[CHUNK_SIZE]; fAttributeDeclNextAttributeDeclIndex[chunk] = new int[CHUNK_SIZE]; return; } private void ensureEntityDeclCapacity(int chunk) { if (chunk >= fEntityName.length) { fEntityName = resize(fEntityName, fEntityName.length * 2); fEntityValue = resize(fEntityValue, fEntityValue.length * 2); fEntityPublicId = resize(fEntityPublicId, fEntityPublicId.length * 2); fEntitySystemId = resize(fEntitySystemId, fEntitySystemId.length * 2); fEntityBaseSystemId = resize(fEntityBaseSystemId, fEntityBaseSystemId.length * 2); fEntityNotation = resize(fEntityNotation, fEntityNotation.length * 2); fEntityIsPE = resize(fEntityIsPE, fEntityIsPE.length * 2); fEntityInExternal = resize(fEntityInExternal, fEntityInExternal.length * 2); } else if (fEntityName[chunk] != null) { return; } fEntityName[chunk] = new String[CHUNK_SIZE]; fEntityValue[chunk] = new String[CHUNK_SIZE]; fEntityPublicId[chunk] = new String[CHUNK_SIZE]; fEntitySystemId[chunk] = new String[CHUNK_SIZE]; fEntityBaseSystemId[chunk] = new String[CHUNK_SIZE]; fEntityNotation[chunk] = new String[CHUNK_SIZE]; fEntityIsPE[chunk] = new byte[CHUNK_SIZE]; fEntityInExternal[chunk] = new byte[CHUNK_SIZE]; return; } private void ensureNotationDeclCapacity(int chunk) { if (chunk >= fNotationName.length) { fNotationName = resize(fNotationName, fNotationName.length * 2); fNotationPublicId = resize(fNotationPublicId, fNotationPublicId.length * 2); fNotationSystemId = resize(fNotationSystemId, fNotationSystemId.length * 2); fNotationBaseSystemId = resize(fNotationBaseSystemId, fNotationBaseSystemId.length * 2); } else if (fNotationName[chunk] != null) { return; } fNotationName[chunk] = new String[CHUNK_SIZE]; fNotationPublicId[chunk] = new String[CHUNK_SIZE]; fNotationSystemId[chunk] = new String[CHUNK_SIZE]; fNotationBaseSystemId[chunk] = new String[CHUNK_SIZE]; return; } private void ensureContentSpecCapacity(int chunk) { if (chunk >= fContentSpecType.length) { fContentSpecType = resize(fContentSpecType, fContentSpecType.length * 2); fContentSpecValue = resize(fContentSpecValue, fContentSpecValue.length * 2); fContentSpecOtherValue = resize(fContentSpecOtherValue, fContentSpecOtherValue.length * 2); } else if (fContentSpecType[chunk] != null) { return; } fContentSpecType[chunk] = new short[CHUNK_SIZE]; fContentSpecValue[chunk] = new Object[CHUNK_SIZE]; fContentSpecOtherValue[chunk] = new Object[CHUNK_SIZE]; return; } // // Private static methods // // resize chunks private static byte[][] resize(byte array[][], int newsize) { byte newarray[][] = new byte[newsize][]; System.arraycopy(array, 0, newarray, 0, array.length); return newarray; } private static short[][] resize(short array[][], int newsize) { short newarray[][] = new short[newsize][]; System.arraycopy(array, 0, newarray, 0, array.length); return newarray; } private static int[][] resize(int array[][], int newsize) { int newarray[][] = new int[newsize][]; System.arraycopy(array, 0, newarray, 0, array.length); return newarray; } private static DatatypeValidator[][] resize(DatatypeValidator array[][], int newsize) { DatatypeValidator newarray[][] = new DatatypeValidator[newsize][]; System.arraycopy(array, 0, newarray, 0, array.length); return newarray; } private static ContentModelValidator[][] resize(ContentModelValidator array[][], int newsize) { ContentModelValidator newarray[][] = new ContentModelValidator[newsize][]; System.arraycopy(array, 0, newarray, 0, array.length); return newarray; } private static Object[][] resize(Object array[][], int newsize) { Object newarray[][] = new Object[newsize][]; System.arraycopy(array, 0, newarray, 0, array.length); return newarray; } private static QName[][] resize(QName array[][], int newsize) { QName newarray[][] = new QName[newsize][]; System.arraycopy(array, 0, newarray, 0, array.length); return newarray; } private static String[][] resize(String array[][], int newsize) { String newarray[][] = new String[newsize][]; System.arraycopy(array, 0, newarray, 0, array.length); return newarray; } private static String[][][] resize(String array[][][], int newsize) { String newarray[][][] = new String[newsize] [][]; System.arraycopy(array, 0, newarray, 0, array.length); return newarray; } // // Classes // /** * Children list for contentSpecTree method. * * @xerces.internal * * @author Eric Ye, IBM */ private static class ChildrenList { // // Data // /** Length. */ public int length = 0; // NOTE: The following set of data is mutually exclusive. It is // written this way because Java doesn't have a native // union data structure. -Ac /** Left and right children names. */ public QName[] qname = new QName[2]; /** Left and right children types. */ public int[] type = new int[2]; // // Constructors // public ChildrenList () {} } // class ChildrenList // // Classes // /** * A simple Hashtable implementation that takes a tuple (String, String) * as the key and a int as value. * * @xerces.internal * * @author Eric Ye, IBM * @author Andy Clark, IBM */ protected static final class QNameHashtable { /** * Fills an array with a random sequence of prime numbers. * * @xerces.internal */ private static final class PrimeNumberSequenceGenerator { private static int [] PRIMES = { 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607, 613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701, 709, 719, 727}; static void generateSequence(int[] arrayToFill) { Random r = new Random(); for (int i = 0; i < arrayToFill.length; ++i) { arrayToFill[i] = PRIMES[r.nextInt(PRIMES.length)]; } } } // // Constants // /** Initial bucket size (4). */ private static final int INITIAL_BUCKET_SIZE = 4; // NOTE: Changed previous hashtable size from 512 to 101 so // that we get a better distribution for hashing. -Ac /** Hashtable size (101). */ private static final int HASHTABLE_SIZE = 101; /** Maximum hash collisions per bucket for a table with load factor == 1. */ private static final int MAX_HASH_COLLISIONS = 40; private static final int MULTIPLIERS_SIZE = 1 << 5; private static final int MULTIPLIERS_MASK = MULTIPLIERS_SIZE - 1; // // Data // private Object[][] fHashTable = new Object[HASHTABLE_SIZE][]; /** actual table size **/ private int fTableSize = HASHTABLE_SIZE; /** The total number of entries in the hash table. */ private int fCount = 0; /** * Array of randomly selected hash function multipliers or null * if the default String.hashCode() function should be used. */ private int[] fHashMultipliers; // // Public methods // /** Associates the given value with the specified key tuple. */ public void put(String key, int value) { int hash = (hash(key) & 0x7FFFFFFF) % fTableSize; Object[] bucket = fHashTable[hash]; if (bucket == null) { bucket = new Object[1 + 2*INITIAL_BUCKET_SIZE]; bucket[0] = new int[]{1}; bucket[1] = key; bucket[2] = new int[]{value}; fHashTable[hash] = bucket; if (++fCount > fTableSize) { // Rehash the table if the number of entries // would exceed the number of buckets. rehash(); } } else { int count = ((int[])bucket[0])[0]; int offset = 1 + 2*count; if (offset == bucket.length) { int newSize = count + INITIAL_BUCKET_SIZE; Object[] newBucket = new Object[1 + 2*newSize]; System.arraycopy(bucket, 0, newBucket, 0, offset); bucket = newBucket; fHashTable[hash] = bucket; } boolean found = false; int j=1; for (int i=0; i fTableSize) { // Rehash the table if the number of entries // would exceed the number of buckets. rehash(); } else if (count > MAX_HASH_COLLISIONS) { // Select a new hash function and rehash the table if // MAX_HASH_COLLISIONS is exceeded. rebalance(); } } } //System.out.println("put("+key+" -> "+value+')'); //System.out.println("get("+key+") -> "+get(key)); } // put(int,String,String,int) /** Returns the value associated with the specified key tuple. */ public int get(String key) { int hash = (hash(key) & 0x7FFFFFFF) % fTableSize; Object[] bucket = fHashTable[hash]; if (bucket == null) { return -1; } int count = ((int[])bucket[0])[0]; int j=1; for (int i=0; i-1) { int chunk = entityIndex >> CHUNK_SHIFT; int index = entityIndex & CHUNK_MASK; //for unparsed entity notation!=null return (fEntityNotation[chunk][index]!=null)?true:false; } return false; } } // class DTDGrammar





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