/*
* eXist Open Source Native XML Database
* Copyright (C) 2001-04 The eXist Project
* http://exist-db.org
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id$
*/
package org.exist.dom;
import org.exist.numbering.NodeId;
import org.exist.storage.Signatures;
import org.exist.util.ByteArrayPool;
import org.exist.util.ByteConversion;
import org.exist.util.UTF8;
import org.exist.util.XMLString;
import org.w3c.dom.CDATASection;
import org.w3c.dom.DOMException;
import org.w3c.dom.Node;
import org.w3c.dom.Text;
public class CDATASectionImpl extends CharacterDataImpl implements CDATASection {
public CDATASectionImpl() {
super(Node.CDATA_SECTION_NODE);
}
public CDATASectionImpl(NodeId nodeId, String data) {
super(Node.CDATA_SECTION_NODE, nodeId, data);
}
public CDATASectionImpl(NodeId nodeId) {
super(Node.CDATA_SECTION_NODE, nodeId);
}
public CDATASectionImpl( XMLString data ) {
super( Node.CDATA_SECTION_NODE);
this.cdata = data;
}
@Override
public int getChildCount() {
return 0;
}
@Override
public Node getFirstChild() {
return null;
}
@Override
public boolean hasChildNodes() {
return false;
}
public String getWholeText() {
return null;
}
public boolean isElementContentWhitespace() {
return false;
}
public Text replaceWholeText(String content) throws DOMException {
return null;
}
public Text splitText(int offset) throws DOMException {
return null;
}
@Override
public byte[] serialize() {
final int nodeIdLen = nodeId.size();
final byte[] data = ByteArrayPool.getByteArray(LENGTH_SIGNATURE_LENGTH + NodeId.LENGTH_NODE_ID_UNITS +
nodeIdLen + cdata.UTF8Size());
int pos = 0;
data[pos] = (byte) ( Signatures.Cdata << 0x5 );
pos += LENGTH_SIGNATURE_LENGTH;
ByteConversion.shortToByte((short) nodeId.units(), data, pos);
pos += NodeId.LENGTH_NODE_ID_UNITS;
nodeId.serialize(data, pos);
pos += nodeIdLen;
cdata.UTF8Encode(data, pos);
return data;
}
public static StoredNode deserialize(byte[] data,
int start,
int len,
DocumentImpl doc,
boolean pooled) {
int pos = start;
pos += LENGTH_SIGNATURE_LENGTH;
final int dlnLen = ByteConversion.byteToShort(data, pos);
pos += NodeId.LENGTH_NODE_ID_UNITS;
final NodeId dln = doc.getBrokerPool().getNodeFactory().createFromData(dlnLen, data, pos);
int nodeIdLen = dln.size();
pos += nodeIdLen;
final CDATASectionImpl cdata = new CDATASectionImpl(dln);
cdata.cdata = UTF8.decode(data, pos, len - (pos - start));
return cdata;
}
}