dtdgrammar.java

java1.6众多例子参考

        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
     * <code>pcdata()</code> 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 <code>startGroup()</code>.
     *
     *@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 com.sun.org.apache.xerces.internal.xni.XMLDTDContentModelHandler#SEPARATOR_CHOICE
     * @see com.sun.org.apache.xerces.internal.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 com.sun.org.apache.xerces.internal.xni.XMLDTDContentModelHandler#OCCURS_ZERO_OR_ONE
     * @see com.sun.org.apache.xerces.internal.xni.XMLDTDContentModelHandler#OCCURS_ZERO_OR_MORE
     * @see com.sun.org.apache.xerces.internal.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

    // 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
     */