bundles/org.eclipse.wst.xsl.core/src_validation/org/eclipse/wst/xsl/core/internal/compiler/xslt10/processor/ProcessorStripSpace.java

/*******************************************************************************
 * Copyright (c) 2008 Standards for Technology in Automotive Retail
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     David Carver - STAR - bug 224197 - initial API and implementation
 *                    based on work from Apache Xalan 2.7.0
 *******************************************************************************/

/*
 * Copyright 1999-2004 The Apache Software Foundation.
 *
 * Licensed 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: ProcessorStripSpace.java,v 1.3 2008/03/28 02:38:16 dacarver Exp $
 */
package org.eclipse.wst.xsl.core.internal.compiler.xslt10.processor;

import java.util.Vector;

import org.eclipse.wst.xsl.core.internal.compiler.xslt10.templates.Stylesheet;
import org.eclipse.wst.xsl.core.internal.compiler.xslt10.templates.WhiteSpaceInfo;
import org.eclipse.wst.xsl.core.internal.compiler.xslt10.xpath.XPath;

import org.xml.sax.Attributes;

/**
 * TransformerFactory for xsl:strip-space markup.
 * 
 * <pre>
 * &lt;!ELEMENT xsl:strip-space EMPTY&gt;
 * &lt;!ATTLIST xsl:strip-space elements CDATA #REQUIRED&gt;
 * </pre>
 */
class ProcessorStripSpace extends ProcessorPreserveSpace {
	static final long serialVersionUID = -5594493198637899591L;

	/**
	 * Receive notification of the start of an strip-space element.
	 * 
	 * @param handler
	 *            The calling StylesheetHandler/TemplatesBuilder.
	 * @param uri
	 *            The Namespace URI, or the empty string if the element has no
	 *            Namespace URI or if Namespace processing is not being
	 *            performed.
	 * @param localName
	 *            The local name (without prefix), or the empty string if
	 *            Namespace processing is not being performed.
	 * @param rawName
	 *            The raw XML 1.0 name (with prefix), or the empty string if raw
	 *            names are not available.
	 * @param attributes
	 *            The attributes attached to the element. If there are no
	 *            attributes, it shall be an empty Attributes object.
	 */
	@Override
	public void startElement(StylesheetHandler handler, String uri,
			String localName, String rawName, Attributes attributes)
			throws org.xml.sax.SAXException {
		Stylesheet thisSheet = handler.getStylesheet();
		WhitespaceInfoPaths paths = new WhitespaceInfoPaths(thisSheet);
		setPropertiesFromAttributes(handler, rawName, attributes, paths);

		Vector xpaths = paths.getElements();

		for (int i = 0; i < xpaths.size(); i++) {
			WhiteSpaceInfo wsi = new WhiteSpaceInfo(
					(XPath) xpaths.elementAt(i), true, thisSheet);
			wsi.setUid(handler.nextUid());

			thisSheet.setStripSpaces(wsi);
		}
		paths.clearElements();

	}
}