| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * |
| * Copyright (c) 1999,2000 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Xerces" and "Apache Software Foundation" must |
| * not be used to endorse or promote products derived from this |
| * software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * nor may "Apache" appear in their name, without prior written |
| * permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation and was |
| * originally based on software copyright (c) 1999, International |
| * Business Machines, Inc., http://www.apache.org. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| package org.apache.xerces.readers; |
| |
| import org.apache.xerces.framework.XMLErrorReporter; |
| |
| /** |
| * This is the class used by the scanner to process the XML data. |
| * |
| * @see org.apache.xerces.framework.XMLParser |
| * @version $Id$ |
| */ |
| abstract class XMLEntityReader implements XMLEntityHandler.EntityReader { |
| /* |
| * Instance variables. |
| */ |
| protected XMLEntityHandler fEntityHandler = null; |
| protected XMLErrorReporter fErrorReporter = null; |
| protected boolean fSendCharDataAsCharArray; |
| protected XMLEntityHandler.CharDataHandler fCharDataHandler = null; |
| protected boolean fInCDSect = false; |
| private boolean fStillActive = true; |
| /* |
| * These are updated directly by the subclass implementation. |
| */ |
| protected int fCarriageReturnCounter = 1; |
| protected int fLinefeedCounter = 1; |
| protected int fCharacterCounter = 1; |
| protected int fCurrentOffset = 0; |
| /** |
| * Constructor |
| */ |
| protected XMLEntityReader(XMLEntityHandler entityHandler, XMLErrorReporter errorReporter, boolean sendCharDataAsCharArray) { |
| fEntityHandler = entityHandler; |
| fErrorReporter = errorReporter; |
| fSendCharDataAsCharArray = sendCharDataAsCharArray; |
| fCharDataHandler = fEntityHandler.getCharDataHandler(); |
| } |
| /** |
| * Constructor |
| */ |
| protected XMLEntityReader(XMLEntityHandler entityHandler, XMLErrorReporter errorReporter, boolean sendCharDataAsCharArray, int lineNumber, int columnNumber) { |
| fEntityHandler = entityHandler; |
| fErrorReporter = errorReporter; |
| fSendCharDataAsCharArray = sendCharDataAsCharArray; |
| fCharDataHandler = fEntityHandler.getCharDataHandler(); |
| fLinefeedCounter = lineNumber; |
| fCharacterCounter = columnNumber; |
| } |
| protected void init(XMLEntityHandler entityHandler, XMLErrorReporter errorReporter, boolean sendCharDataAsCharArray, int lineNumber, int columnNumber) { |
| fEntityHandler = entityHandler; |
| fErrorReporter = errorReporter; |
| fSendCharDataAsCharArray = sendCharDataAsCharArray; |
| fCharDataHandler = fEntityHandler.getCharDataHandler(); |
| fLinefeedCounter = lineNumber; |
| fCharacterCounter = columnNumber; |
| fStillActive = true; |
| fInCDSect = false; |
| fCarriageReturnCounter = 1; |
| fCurrentOffset = 0; |
| } |
| |
| /** |
| * Return the current offset within this reader. |
| * |
| * @return The offset. |
| */ |
| public int currentOffset() { |
| return fCurrentOffset; |
| } |
| |
| /** |
| * Return the line number of the current position within the document that we are processing. |
| * |
| * @return The current line number. |
| */ |
| public int getLineNumber() { |
| if (fLinefeedCounter > 1) |
| return fLinefeedCounter; |
| else |
| return fCarriageReturnCounter; |
| } |
| |
| /** |
| * Return the column number of the current position within the document that we are processing. |
| * |
| * @return The current column number. |
| */ |
| public int getColumnNumber() { |
| return fCharacterCounter; |
| } |
| |
| /** |
| * This method is provided for scanner implementations. |
| */ |
| public void setInCDSect(boolean inCDSect) { |
| fInCDSect = inCDSect; |
| } |
| |
| /** |
| * This method is provided for scanner implementations. |
| */ |
| public boolean getInCDSect() { |
| return fInCDSect; |
| } |
| |
| /** |
| * This method is called by the reader subclasses at the end of input. |
| */ |
| protected XMLEntityHandler.EntityReader changeReaders() throws Exception { |
| XMLEntityHandler.EntityReader nextReader = null; |
| if (fStillActive) { |
| nextReader = fEntityHandler.changeReaders(); |
| fStillActive = false; |
| } |
| return nextReader; |
| } |
| } |