/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 1999 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 "Xalan" 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, Lotus
* Development Corporation., http://www.lotus.com. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package org.apache.xalan.transformer;
import java.util.Stack;
import java.util.Vector;
import org.apache.xml.utils.ObjectPool;
import org.xml.sax.Attributes;
import org.apache.xml.dtm.DTMIterator;
import org.apache.xml.utils.MutableAttrListImpl;
import org.apache.xalan.templates.ElemTemplateElement;
import org.apache.xalan.templates.ElemTemplate;
/**
* This class acts as a base for ResultTreeHandler, and keeps
* queud stack events. In truth, we don't need a stack,
* so I may change this down the line a bit.
*/
public abstract class QueuedEvents
{
/** The number of events queued */
protected int m_eventCount = 0;
/** Queued start document */
// QueuedStartDocument m_startDoc = new QueuedStartDocument();
/** Queued start element */
// QueuedStartElement m_startElement = new QueuedStartElement();
public boolean m_docPending = false;
protected boolean m_docEnded = false;
/** Flag indicating that an event is pending. Public for
* fast access by ElemForEach. */
public boolean m_elemIsPending = false;
/** Flag indicating that an event is ended */
public boolean m_elemIsEnded = false;
/**
* The pending attributes. We have to delay the call to
* m_flistener.startElement(name, atts) because of the
* xsl:attribute and xsl:copy calls. In other words,
* the attributes have to be fully collected before you
* can call startElement.
*/
protected MutableAttrListImpl m_attributes = new MutableAttrListImpl();
/**
* Flag to try and get the xmlns decls to the attribute list
* before other attributes are added.
*/
protected boolean m_nsDeclsHaveBeenAdded = false;
/**
* The pending element, namespace, and local name.
*/
protected String m_name;
/** Namespace URL of the element */
protected String m_url;
/** Local part of qualified name of the element */
protected String m_localName;
/** Vector of namespaces for this element */
protected Vector m_namespaces = null;
// /**
// * Get the queued element.
// *
// * @return the queued element.
// */
// QueuedStartElement getQueuedElem()
// {
// return (m_eventCount > 1) ? m_startElement : null;
// }
/**
* To re-initialize the document and element events
*
*/
protected void reInitEvents()
{
}
/**
* Push document event and re-initialize events
*
*/
public void reset()
{
pushDocumentEvent();
reInitEvents();
}
/**
* Push the document event. This never gets popped.
*/
void pushDocumentEvent()
{
// m_startDoc.setPending(true);
// initQSE(m_startDoc);
m_docPending = true;
m_eventCount++;
}
/**
* Pop element event
*
*/
void popEvent()
{
m_elemIsPending = false;
m_attributes.clear();
m_nsDeclsHaveBeenAdded = false;
m_name = null;
m_url = null;
m_localName = null;
m_namespaces = null;
m_eventCount--;
}
/** Instance of a serializer */
private org.apache.xalan.serialize.Serializer m_serializer;
/**
* This is only for use of object pooling, so that
* it can be reset.
*
* @param s non-null instance of a serializer
*/
void setSerializer(org.apache.xalan.serialize.Serializer s)
{
m_serializer = s;
}
/**
* This is only for use of object pooling, so the that
* it can be reset.
*
* @return The serializer
*/
org.apache.xalan.serialize.Serializer getSerializer()
{
return m_serializer;
}
}