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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* $Id$ */
package org.apache.fop.fo;
import java.util.HashSet;
import java.util.Set;
/**
* Context class providing information needed while building the FO tree.
*/
public class FOTreeBuilderContext {
/**
* The current set of id's in the FO tree.
* This is used so we know if the FO tree contains duplicates.
*/
private Set idReferences = new HashSet();
/**
* The property list maker.
*/
protected PropertyListMaker propertyListMaker;
/**
* The XMLWhitespaceHandler for this tree
*/
protected XMLWhiteSpaceHandler whiteSpaceHandler = new XMLWhiteSpaceHandler();
/**
* Indicates whether processing descendants of a marker
*/
private boolean inMarker = false;
/**
* Returns the set of ID references.
* @return the ID references
*/
public Set getIDReferences() {
return idReferences;
}
/**
* Return the propertyListMaker.
*
* @return the currently active {@link PropertyListMaker}
*/
public PropertyListMaker getPropertyListMaker() {
return propertyListMaker;
}
/**
* Set a new propertyListMaker.
*
* @param propertyListMaker the new {@link PropertyListMaker} to use
*/
public void setPropertyListMaker(PropertyListMaker propertyListMaker) {
this.propertyListMaker = propertyListMaker;
}
/**
* Return the XMLWhiteSpaceHandler
* @return the whiteSpaceHandler
*/
public XMLWhiteSpaceHandler getXMLWhiteSpaceHandler() {
return whiteSpaceHandler;
}
/**
* Switch to or from marker context
* (used by FOTreeBuilder when processing
* a marker)
*
* @param inMarker true if a marker is being processed;
* false otherwise
*
*/
protected void switchMarkerContext(boolean inMarker) {
this.inMarker = inMarker;
}
/**
* Check whether in marker context
*
* @return true if a marker is being processed
*/
protected boolean inMarker() {
return this.inMarker;
}
}
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