schemagrammar.java

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    public final static BuiltinSchemaGrammar SG_SchemaNS = new BuiltinSchemaGrammar(GRAMMAR_XS);
    
    public final static Schema4Annotations SG_Schema4Annotations = new Schema4Annotations();

    public final static XSSimpleType fAnySimpleType = (XSSimpleType)SG_SchemaNS.getGlobalTypeDecl(SchemaSymbols.ATTVAL_ANYSIMPLETYPE);

    // the grammars to hold components of the schema-instance namespace
    public final static BuiltinSchemaGrammar SG_XSI = new BuiltinSchemaGrammar(GRAMMAR_XSI);

    static final XSComplexTypeDecl[] resize(XSComplexTypeDecl[] oldArray, int newSize) {
        XSComplexTypeDecl[] newArray = new XSComplexTypeDecl[newSize];
        System.arraycopy(oldArray, 0, newArray, 0, Math.min(oldArray.length, newSize));
        return newArray;
    }

    static final XSGroupDecl[] resize(XSGroupDecl[] oldArray, int newSize) {
        XSGroupDecl[] newArray = new XSGroupDecl[newSize];
        System.arraycopy(oldArray, 0, newArray, 0, Math.min(oldArray.length, newSize));
        return newArray;
    }

    static final XSElementDecl[] resize(XSElementDecl[] oldArray, int newSize) {
        XSElementDecl[] newArray = new XSElementDecl[newSize];
        System.arraycopy(oldArray, 0, newArray, 0, Math.min(oldArray.length, newSize));
        return newArray;
    }

    static final SimpleLocator[] resize(SimpleLocator[] oldArray, int newSize) {
        SimpleLocator[] newArray = new SimpleLocator[newSize];
        System.arraycopy(oldArray, 0, newArray, 0, Math.min(oldArray.length, newSize));
        return newArray;
    }

    // XSNamespaceItem methods
    
    // the max index / the max value of XSObject type
    private static final short MAX_COMP_IDX = XSTypeDefinition.SIMPLE_TYPE;
    private static final boolean[] GLOBAL_COMP = {false,    // null
                                                  true,     // attribute
                                                  true,     // element
                                                  true,     // type
                                                  false,    // attribute use
                                                  true,     // attribute group
                                                  true,     // group
                                                  false,    // model group
                                                  false,    // particle
                                                  false,    // wildcard
                                                  false,    // idc
                                                  true,     // notation
                                                  false,    // annotation
                                                  false,    // facet
                                                  false,    // multi value facet
                                                  true,     // complex type
                                                  true      // simple type
                                                 };
                                                 
    // store a certain kind of components from all namespaces
    private XSNamedMap[] fComponents = null;

    // store the documents and their locations contributing to this namespace
    // REVISIT: use StringList and XSObjectList for there fields.
    private Vector fDocuments = null;
    private Vector fLocations = null;
    
    public synchronized void addDocument(Object document, String location) {
        if (fDocuments == null) {
            fDocuments = new Vector();
            fLocations = new Vector();
        }
        fDocuments.addElement(document);
        fLocations.addElement(location);
    }
    
    /**
     * [schema namespace]
     * @see <a href="http://www.w3.org/TR/xmlschema-1/#nsi-schema_namespace">[schema namespace]</a>
     * @return The target namespace of this item.
     */
    public String getSchemaNamespace() {
        return fTargetNamespace;
    }

    // annotation support
    synchronized DOMParser getDOMParser() {
        if (fDOMParser != null) return fDOMParser;
        // REVISIT:  when schema handles XML 1.1, will need to 
        // revisit this (and the practice of not prepending an XML decl to the annotation string
        IntegratedParserConfiguration config = new IntegratedParserConfiguration(fSymbolTable);
        // note that this should never produce errors or require
        // entity resolution, so just a barebones configuration with
        // a couple of feature  set will do fine
        config.setFeature(Constants.SAX_FEATURE_PREFIX + Constants.NAMESPACES_FEATURE, true);
        config.setFeature(Constants.SAX_FEATURE_PREFIX + Constants.VALIDATION_FEATURE, false);
        fDOMParser = new DOMParser(config);
        return fDOMParser;
    }

    synchronized SAXParser getSAXParser() {
        if (fSAXParser != null) return fSAXParser;
        // REVISIT:  when schema handles XML 1.1, will need to 
        // revisit this (and the practice of not prepending an XML decl to the annotation string
        IntegratedParserConfiguration config = new IntegratedParserConfiguration(fSymbolTable);
        // note that this should never produce errors or require
        // entity resolution, so just a barebones configuration with
        // a couple of feature  set will do fine
        config.setFeature(Constants.SAX_FEATURE_PREFIX + Constants.NAMESPACES_FEATURE, true);
        config.setFeature(Constants.SAX_FEATURE_PREFIX + Constants.VALIDATION_FEATURE, false);
        fSAXParser = new SAXParser(config);
        return fSAXParser;
    }

    /**
     * [schema components]: a list of top-level components, i.e. element 
     * declarations, attribute declarations, etc. 
     * @param objectType The type of the declaration, i.e. 
     *   <code>ELEMENT_DECLARATION</code>. Note that 
     *   <code>XSTypeDefinition.SIMPLE_TYPE</code> and 
     *   <code>XSTypeDefinition.COMPLEX_TYPE</code> can also be used as the 
     *   <code>objectType</code> to retrieve only complex types or simple 
     *   types, instead of all types.
     * @return  A list of top-level definition of the specified type in 
     *   <code>objectType</code> or an empty <code>XSNamedMap</code> if no 
     *   such definitions exist. 
     */
    public synchronized XSNamedMap getComponents(short objectType) {
        if (objectType <= 0 || objectType > MAX_COMP_IDX ||
            !GLOBAL_COMP[objectType]) {
            return XSNamedMapImpl.EMPTY_MAP;
        }
        
        if (fComponents == null)
            fComponents = new XSNamedMap[MAX_COMP_IDX+1];

        // get the hashtable for this type of components
        if (fComponents[objectType] == null) {
            SymbolHash table = null;
            switch (objectType) {
            case XSConstants.TYPE_DEFINITION:
            case XSTypeDefinition.COMPLEX_TYPE:
            case XSTypeDefinition.SIMPLE_TYPE:
                table = fGlobalTypeDecls;
                break;
            case XSConstants.ATTRIBUTE_DECLARATION:
                table = fGlobalAttrDecls;
                break;
            case XSConstants.ELEMENT_DECLARATION:
                table = fGlobalElemDecls;
                break;
            case XSConstants.ATTRIBUTE_GROUP:
                table = fGlobalAttrGrpDecls;
                break;
            case XSConstants.MODEL_GROUP_DEFINITION:
                table = fGlobalGroupDecls;
                break;
            case XSConstants.NOTATION_DECLARATION:
                table = fGlobalNotationDecls;
                break;
            }
            
            // for complex/simple types, create a special implementation,
            // which take specific types out of the hash table
            if (objectType == XSTypeDefinition.COMPLEX_TYPE ||
                objectType == XSTypeDefinition.SIMPLE_TYPE) {
                fComponents[objectType] = new XSNamedMap4Types(fTargetNamespace, table, objectType);
            }
            else {
                fComponents[objectType] = new XSNamedMapImpl(fTargetNamespace, table);
            }
        }
        
        return fComponents[objectType];
    }

    /**
     * Convenience method. Returns a top-level simple or complex type
     * definition.
     * @param name The name of the definition.
     * @return An <code>XSTypeDefinition</code> or null if such definition
     *   does not exist.
     */
    public XSTypeDefinition getTypeDefinition(String name) {
        return getGlobalTypeDecl(name);
    }

    /**
     * Convenience method. Returns a top-level attribute declaration.
     * @param name The name of the declaration.
     * @return A top-level attribute declaration or null if such declaration
     *   does not exist.
     */
    public XSAttributeDeclaration getAttributeDeclaration(String name) {
        return getGlobalAttributeDecl(name);
    }

    /**
     * Convenience method. Returns a top-level element declaration.
     * @param name The name of the declaration.
     * @return A top-level element declaration or null if such declaration
     *   does not exist.
     */
    public XSElementDeclaration getElementDeclaration(String name) {
        return getGlobalElementDecl(name);
    }

    /**
     * Convenience method. Returns a top-level attribute group definition.
     * @param name The name of the definition.
     * @return A top-level attribute group definition or null if such
     *   definition does not exist.
     */
    public XSAttributeGroupDefinition getAttributeGroup(String name) {
        return getGlobalAttributeGroupDecl(name);
    }

    /**
     * Convenience method. Returns a top-level model group definition.
     *
     * @param name      The name of the definition.
     * @return A top-level model group definition definition or null if such
     *         definition does not exist.
     */
    public XSModelGroupDefinition getModelGroupDefinition(String name) {
        return getGlobalGroupDecl(name);
    }

    /**
     * Convenience method. Returns a top-level notation declaration.
     *
     * @param name      The name of the declaration.
     * @return A top-level notation declaration or null if such declaration
     *         does not exist.
     */
    public XSNotationDeclaration getNotationDeclaration(String name) {
        return getGlobalNotationDecl(name);
    }


    /**
     * [document location]
     * @see <a href="http://www.w3.org/TR/xmlschema-1/#sd-document_location">[document location]</a>
     * @return a list of document information item
     */
    public StringList getDocumentLocations() {
        return new StringListImpl(fLocations);
    }
    
    /**
     * Return an <code>XSModel</code> that represents components in this schema
     * grammar.
     * 
     * @return  an <code>XSModel</code> representing this schema grammar
     */
    public XSModel toXSModel() {
        return new XSModelImpl(new SchemaGrammar[]{this});
    }

    public XSModel toXSModel(XSGrammar[] grammars) {
        if (grammars == null || grammars.length == 0)
            return toXSModel();

        int len = grammars.length;
        boolean hasSelf = false;
        for (int i = 0; i < len; i++) {
            if (grammars[i] == this) {
                hasSelf = true;
                break;
            }
        }

        SchemaGrammar[] gs = new SchemaGrammar[hasSelf ? len : len+1];
        for (int i = 0; i < len; i++)
            gs[i] = (SchemaGrammar)grammars[i];
        if (!hasSelf)
            gs[len] = this;
        return new XSModelImpl(gs);
    }

    /**
     * @see com.sun.org.apache.xerces.internal.xs.XSNamespaceItem#getAnnotations()
     */
    public XSObjectList getAnnotations() {
        return new XSObjectListImpl(fAnnotations, fNumAnnotations);
    }

    public void addAnnotation(XSAnnotationImpl annotation) {
        if(annotation == null)
            return;
        if(fAnnotations == null) {
            fAnnotations = new XSAnnotationImpl[2];
        } else if(fNumAnnotations == fAnnotations.length) {
            XSAnnotationImpl[] newArray = new XSAnnotationImpl[fNumAnnotations << 1];
            System.arraycopy(fAnnotations, 0, newArray, 0, fNumAnnotations);
            fAnnotations = newArray;
        }
        fAnnotations[fNumAnnotations++] = annotation;
    }

} // class SchemaGrammar