xmldtdprocessor.java

java1.6众多例子参考

                                               "NoNotationOnEmptyElement",
                                               new Object[]{elementName, attributeName},
                                               XMLErrorReporter.SEVERITY_ERROR);
                }
            }

            fTableOfIDAttributeNames = null;//should be safe to release these references
            fTableOfNOTATIONAttributeNames = null;
        }

        // call handlers
        if (fDTDHandler != null) {
            fDTDHandler.endDTD(augs);
        }

    } // endDTD()

    // sets the XMLDTDSource of this handler
    public void setDTDSource(XMLDTDSource source ) {
        fDTDSource = source;
    } // setDTDSource(XMLDTDSource)

    // returns the XMLDTDSource of this handler
    public XMLDTDSource getDTDSource() {
        return fDTDSource;
    } // getDTDSource():  XMLDTDSource

    //
    // XMLDTDContentModelHandler methods
    //

    // sets the XMLContentModelDTDSource of this handler
    public void setDTDContentModelSource(XMLDTDContentModelSource source ) {
        fDTDContentModelSource = source;
    } // setDTDContentModelSource(XMLDTDContentModelSource)

    // returns the XMLDTDSource of this handler
    public XMLDTDContentModelSource getDTDContentModelSource() {
        return fDTDContentModelSource;
    } // getDTDContentModelSource():  XMLDTDContentModelSource


    /**
     * 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 {

        if (fValidation) {
            fDTDElementDeclName = elementName;
            fMixedElementTypes.removeAllElements();
        }

        // call handlers
        if(fDTDGrammar != null) 
            fDTDGrammar.startContentModel(elementName, augs);
        if (fDTDContentModelHandler != null) {
            fDTDContentModelHandler.startContentModel(elementName, augs);
        }

    } // startContentModel(String)

    /** 
     * 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 {
        if(fDTDGrammar != null) 
            fDTDGrammar.any(augs);
        if (fDTDContentModelHandler != null) {
            fDTDContentModelHandler.any(augs);
        }
    } // any()

    /**
     * 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 {
        if(fDTDGrammar != null) 
            fDTDGrammar.empty(augs);
        if (fDTDContentModelHandler != null) {
            fDTDContentModelHandler.empty(augs);
        }
    } // empty()

    /**
     * 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 {

        fMixed = false;
        // call handlers
        if(fDTDGrammar != null) 
            fDTDGrammar.startGroup(augs);
        if (fDTDContentModelHandler != null) {
            fDTDContentModelHandler.startGroup(augs);
        }

    } // 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) {
        fMixed = true;
        if(fDTDGrammar != null) 
            fDTDGrammar.pcdata(augs);
        if (fDTDContentModelHandler != null) {
            fDTDContentModelHandler.pcdata(augs);
        }
    } // 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 {

        // check VC: No duplicate Types, in a single mixed-content declaration
        if (fMixed && fValidation) {
            if (fMixedElementTypes.contains(elementName)) {
                fErrorReporter.reportError(XMLMessageFormatter.XML_DOMAIN,
                                           "DuplicateTypeInMixedContent",
                                           new Object[]{fDTDElementDeclName, elementName},
                                           XMLErrorReporter.SEVERITY_ERROR);
            }
            else {
                fMixedElementTypes.addElement(elementName);
            }
        }

        // call handlers
        if(fDTDGrammar != null) 
            fDTDGrammar.element(elementName, augs);
        if (fDTDContentModelHandler != null) {
            fDTDContentModelHandler.element(elementName, augs);
        }

    } // childrenElement(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 #SEPARATOR_CHOICE
     * @see #SEPARATOR_SEQUENCE
     */
    public void separator(short separator, Augmentations augs) 
        throws XNIException {

        // call handlers
        if(fDTDGrammar != null) 
            fDTDGrammar.separator(separator, augs);
        if (fDTDContentModelHandler != null) {
            fDTDContentModelHandler.separator(separator, augs);
        }

    } // 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 #OCCURS_ZERO_OR_ONE
     * @see #OCCURS_ZERO_OR_MORE
     * @see #OCCURS_ONE_OR_MORE
     */
    public void occurrence(short occurrence, Augmentations augs) 
        throws XNIException {

        // call handlers
        if(fDTDGrammar != null) 
            fDTDGrammar.occurrence(occurrence, augs);
        if (fDTDContentModelHandler != null) {
            fDTDContentModelHandler.occurrence(occurrence, augs);
        }

    } // 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 {

        // call handlers
        if(fDTDGrammar != null) 
            fDTDGrammar.endGroup(augs);
        if (fDTDContentModelHandler != null) {
            fDTDContentModelHandler.endGroup(augs);
        }

    } // endGroup()

    /**
     * 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 {

        // call handlers
        if(fDTDGrammar != null) 
            fDTDGrammar.endContentModel(augs);
        if (fDTDContentModelHandler != null) {
            fDTDContentModelHandler.endContentModel(augs);
        }

    } // endContentModel()

    //
    // Private methods
    //

    /**
     * Normalize the attribute value of a non CDATA default attribute
     * collapsing sequences of space characters (x20)
     *
     * @param value The value to normalize
     * @return Whether the value was changed or not.
     */
    private boolean normalizeDefaultAttrValue(XMLString value) {

        int oldLength = value.length;

        boolean skipSpace = true; // skip leading spaces
        int current = value.offset;
        int end = value.offset + value.length;
        for (int i = value.offset; i < end; i++) {
            if (value.ch[i] == ' ') {
                if (!skipSpace) {
                    // take the first whitespace as a space and skip the others
                    value.ch[current++] = ' ';
                    skipSpace = true;
                }
                else {
                    // just skip it.
                }
            }
            else {
                // simply shift non space chars if needed
                if (current != i) {
                    value.ch[current] = value.ch[i];
                }
                current++;
                skipSpace = false;
            }
        }
        if (current != end) {
            if (skipSpace) {
                // if we finished on a space trim it
                current--;
            }
            // set the new value length
            value.length = current - value.offset;
            return true;
        }
        return false;
    }

    
    protected boolean isValidNmtoken(String nmtoken) {
        return XMLChar.isValidNmtoken(nmtoken);
    } // isValidNmtoken(String):  boolean
    
    protected boolean isValidName(String name) {
        return XMLChar.isValidName(name);
    } // isValidName(String):  boolean
} // class XMLDTDProcessor