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-rw-r--r--src/org/apache/fop/fo/FOTreeBuilder.java275
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diff --git a/src/org/apache/fop/fo/FOTreeBuilder.java b/src/org/apache/fop/fo/FOTreeBuilder.java
deleted file mode 100644
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--- a/src/org/apache/fop/fo/FOTreeBuilder.java
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-/*
- * $Id$
- * ============================================================================
- * The Apache Software License, Version 1.1
- * ============================================================================
- *
- * Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modifica-
- * tion, 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 "FOP" 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 (INCLU-
- * DING, 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 created by
- * James Tauber <jtauber@jtauber.com>. For more information on the Apache
- * Software Foundation, please see <http://www.apache.org/>.
- */
-package org.apache.fop.fo;
-
-// FOP
-import org.apache.fop.apps.FOPException;
-import org.apache.fop.apps.StructureHandler;
-
-// Java
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Set;
-
-// SAX
-import org.xml.sax.helpers.DefaultHandler;
-import org.xml.sax.SAXException;
-import org.xml.sax.Attributes;
-
-// Avalon
-import org.apache.avalon.framework.logger.Logger;
-
-/**
- * SAX Handler that builds the formatting object tree.
- *
- * Modified by Mark Lillywhite mark-fop@inomial.com. Now uses
- * StreamRenderer to automagically render the document as
- * soon as it receives a page-sequence end-tag. Also,
- * calls methods to set up and shut down the renderer at
- * the beginning and end of the FO document. Finally,
- * supresses adding the PageSequence object to the Root,
- * since it is parsed immediately.
- */
-public class FOTreeBuilder extends DefaultHandler {
-
- /**
- * Table mapping element names to the makers of objects
- * representing formatting objects.
- */
- protected Map fobjTable = new java.util.HashMap();
-
- /**
- * Set of mapped namespaces.
- */
- protected Set namespaces = new java.util.HashSet();
-
- /**
- * Current formatting object being handled
- */
- protected FONode currentFObj = null;
-
- /**
- * The root of the formatting object tree
- */
- protected FONode rootFObj = null;
-
- /**
- * The class that handles formatting and rendering to a stream
- * (mark-fop@inomial.com)
- */
- private StructureHandler structHandler;
-
- private FOUserAgent userAgent;
-
- /**
- * Default constructor
- */
- public FOTreeBuilder() {
- }
-
- private Logger getLogger() {
- return userAgent.getLogger();
- }
-
- /**
- * Sets the user agent
- * @param ua the user agent
- */
- public void setUserAgent(FOUserAgent ua) {
- userAgent = ua;
- }
-
- private FOUserAgent getUserAgent() {
- return userAgent;
- }
-
- /**
- * Sets the structure handler to receive events.
- * @param sh StructureHandler instance
- */
- public void setStructHandler(StructureHandler sh) {
- this.structHandler = sh;
- }
-
- /**
- * Adds a mapping from a namespace to a table of makers.
- *
- * @param namespaceURI namespace URI of formatting object elements
- * @param table table of makers
- */
- public void addMapping(String namespaceURI, HashMap table) {
- this.fobjTable.put(namespaceURI, table);
- this.namespaces.add(namespaceURI.intern());
- }
-
- /**
- * SAX Handler for characters
- * @see org.xml.sax.ContentHandler#characters(char[], int, int)
- */
- public void characters(char data[], int start, int length) {
- if (currentFObj != null) {
- currentFObj.addCharacters(data, start, start + length);
- }
- }
-
- /**
- * SAX Handler for the end of an element
- * @see org.xml.sax.ContentHandler#endElement(String, String, String)
- */
- public void endElement(String uri, String localName, String rawName)
- throws SAXException {
- currentFObj.end();
- currentFObj = currentFObj.getParent();
- }
-
- /**
- * SAX Handler for the start of the document
- * @see org.xml.sax.ContentHandler#startDocument()
- */
- public void startDocument() throws SAXException {
- rootFObj = null; // allows FOTreeBuilder to be reused
- if (getLogger().isDebugEnabled()) {
- getLogger().debug("Building formatting object tree");
- }
- structHandler.startDocument();
- }
-
- /**
- * SAX Handler for the end of the document
- * @see org.xml.sax.ContentHandler#endDocument()
- */
- public void endDocument() throws SAXException {
- rootFObj = null;
- currentFObj = null;
- if (getLogger().isDebugEnabled()) {
- getLogger().debug("Parsing of document complete");
- }
- structHandler.endDocument();
- }
-
- /**
- * SAX Handler for the start of an element
- * @see org.xml.sax.ContentHandler#startElement(String, String, String, Attributes)
- */
- public void startElement(String uri, String localName, String rawName,
- Attributes attlist) throws SAXException {
- /* the formatting object started */
- FONode fobj;
-
- /* the maker for the formatting object started */
- ElementMapping.Maker fobjMaker = null;
-
- Map table = (Map)fobjTable.get(uri);
- if (table != null) {
- fobjMaker = (ElementMapping.Maker)table.get(localName);
- // try default
- if (fobjMaker == null) {
- fobjMaker = (ElementMapping.Maker)table.get(ElementMapping.DEFAULT);
- }
- }
-
- if (fobjMaker == null) {
- if (getLogger().isWarnEnabled()) {
- getLogger().warn("Unknown formatting object " + uri + "^" + localName);
- }
- if (namespaces.contains(uri.intern())) {
- // fall back
- fobjMaker = new Unknown.Maker();
- } else {
- fobjMaker = new UnknownXMLObj.Maker(uri);
- }
- }
-
- try {
- fobj = fobjMaker.make(currentFObj);
- fobj.setName(localName);
- // set the user agent for resolving user agent values
- fobj.setUserAgent(userAgent);
- // set the structure handler so that appropriate
- // elements can signal structure events
- fobj.setStructHandler(structHandler);
-
- fobj.handleAttrs(attlist);
- } catch (FOPException e) {
- throw new SAXException(e);
- }
-
- if (rootFObj == null) {
- if (!fobj.getName().equals("fo:root")) {
- throw new SAXException(new FOPException("Root element must"
- + " be fo:root, not "
- + fobj.getName()));
- }
- rootFObj = fobj;
- } else {
- currentFObj.addChild(fobj);
- }
-
- currentFObj = fobj;
- }
-
- /**
- * Resets this object for another run.
- */
- public void reset() {
- currentFObj = null;
- rootFObj = null;
- structHandler = null;
- }
-
- /**
- * Indicates if data has been processed.
- * @return True if data has been processed
- */
- public boolean hasData() {
- return (rootFObj != null);
- }
-}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-06 12:09:38 +0000