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/**
* (The MIT License)
*
* Copyright (c) 2008 - 2011:
*
* * {Aaron Patterson}[http://tenderlovemaking.com]
* * {Mike Dalessio}[http://mike.daless.io]
* * {Charles Nutter}[http://blog.headius.com]
* * {Sergio Arbeo}[http://www.serabe.com]
* * {Patrick Mahoney}[http://polycrystal.org]
* * {Yoko Harada}[http://yokolet.blogspot.com]
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* 'Software'), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package nokogiri.internals;
import java.io.IOException;
import nokogiri.XmlDocument;
import org.apache.xerces.parsers.DOMParser;
import org.apache.xerces.parsers.XIncludeParserConfiguration;
import org.apache.xerces.xni.parser.XMLParserConfiguration;
import org.cyberneko.dtd.DTDConfiguration;
import org.w3c.dom.Document;
import org.xml.sax.Attributes;
import org.xml.sax.ContentHandler;
import org.xml.sax.InputSource;
import org.xml.sax.Locator;
import org.xml.sax.SAXException;
/**
* Sets up a Xerces/XNI DOM Parser for use with Nokogiri. Uses
* NekoDTD to parse the DTD into a tree of Nodes.
*
* @author Patrick Mahoney <pat@polycrystal.org>
*/
public class NokogiriDomParser extends DOMParser {
protected DOMParser dtd;
protected boolean xInclude;
protected XMLParserConfiguration config;
public NokogiriDomParser(XMLParserConfiguration config) {
super(config);
this.config = config;
initialize();
}
public NokogiriDomParser(ParserContext.Options options) {
xInclude = options.xInclude;
initialize();
}
protected void initialize() {
if (config == null) {
if (xInclude) {
config = new XIncludeParserConfiguration();
} else {
config = getXMLParserConfiguration();
}
}
DTDConfiguration dtdConfig = new DTDConfiguration();
dtd = new DOMParser(dtdConfig);
config.setDTDHandler(dtdConfig);
config.setDTDContentModelHandler(dtdConfig);
}
@Override
public void parse(InputSource source) throws SAXException, IOException {
dtd.reset();
if (xInclude) {
setEntityResolver(new NokogiriXInlcudeEntityResolver(source));
}
super.parse(source);
Document doc = getDocument();
if (doc == null)
throw new RuntimeException("null document");
doc.setUserData(XmlDocument.DTD_RAW_DOCUMENT, dtd.getDocument(), null);
}
private static class NokogiriXInlcudeEntityResolver implements org.xml.sax.EntityResolver {
InputSource source;
private NokogiriXInlcudeEntityResolver(InputSource source) {
this.source = source;
}
@Override
public InputSource resolveEntity(String publicId, String systemId)
throws SAXException, IOException {
if (systemId != null) source.setSystemId(systemId);
if (publicId != null) source.setPublicId(publicId);
return source;
}
}
}
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