/*
* EscapeMarkup.java
*
* Copyright 2008 Mark Logic Corporation.
* Portions Copyright 2007 Sun Microsystems, Inc.
* All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common
* Development and Distribution License("CDDL") (collectively, the
* "License"). You may not use this file except in compliance with the
* License. You can obtain a copy of the License at
* https://xproc.dev.java.net/public/CDDL+GPL.html or
* docs/CDDL+GPL.txt in the distribution. See the License for the
* specific language governing permissions and limitations under the
* License. When distributing the software, include this License Header
* Notice in each file and include the License file at docs/CDDL+GPL.txt.
*/
package com.xmlcalabash.library;
import com.xmlcalabash.core.XProcRuntime;
import com.xmlcalabash.util.AxisNodes;
import com.xmlcalabash.util.S9apiUtils;
import com.xmlcalabash.util.TreeWriter;
import com.xmlcalabash.io.ReadablePipe;
import com.xmlcalabash.io.WritablePipe;
import net.sf.saxon.s9api.Serializer;
import net.sf.saxon.s9api.SaxonApiException;
import net.sf.saxon.s9api.XdmNode;
import net.sf.saxon.s9api.Axis;
import net.sf.saxon.s9api.XdmNodeKind;
import java.io.ByteArrayOutputStream;
import com.xmlcalabash.runtime.XAtomicStep;
/**
*
* @author ndw
*/
public class EscapeMarkup extends DefaultStep {
private ReadablePipe source = null;
private WritablePipe result = null;
/** Creates a new instance of EscapeMarkup */
public EscapeMarkup(XProcRuntime runtime, XAtomicStep step) {
super(runtime,step);
}
public void setInput(String port, ReadablePipe pipe) {
source = pipe;
}
public void setOutput(String port, WritablePipe pipe) {
result = pipe;
}
public void reset() {
source.resetReader();
result.resetWriter();
}
public void run() throws SaxonApiException {
super.run();
Serializer serializer = makeSerializer();
XdmNode doc = source.read();
TreeWriter tree = new TreeWriter(runtime);
tree.startDocument(doc.getBaseURI());
for (XdmNode child : new AxisNodes(doc, Axis.CHILD)) {
if (child.getNodeKind() == XdmNodeKind.COMMENT) {
tree.addComment(child.getStringValue());
} else if (child.getNodeKind() == XdmNodeKind.PROCESSING_INSTRUCTION) {
tree.addPI(child.getNodeName().getLocalName(), child.getStringValue());
} else if (child.getNodeKind() == XdmNodeKind.TEXT) {
tree.addText(child.getStringValue());
} else {
tree.addStartElement(child);
tree.addAttributes(child);
tree.startContent();
// Serialize the *whole* thing, then strip off the start and end tags, because
// otherwise namespace fixup messes with the namespace bindings
ByteArrayOutputStream outstr = new ByteArrayOutputStream();
serializer.setOutputStream(outstr);
S9apiUtils.serialize(runtime, child, serializer);
String data = outstr.toString();
data = data.replaceAll("^<.*?>",""); // Strip off the start tag...
data = data.replaceAll("<[^<>]*?>$",""); // Strip off the end tag
tree.addText(data);
tree.addEndElement();
}
}
tree.endDocument();
result.write(tree.getResult());
}
}