package com.icl.saxon.tinytree;
import com.icl.saxon.om.*;
import com.icl.saxon.output.Outputter;
import com.icl.saxon.Context;
import com.icl.saxon.tree.DOMExceptionImpl;

import javax.xml.transform.TransformerException;
import org.w3c.dom.Comment;
import org.w3c.dom.DOMException;


/**
  * TinyCommentImpl is an implementation of CommentInfo 
  * @author Michael H. Kay (mhkay@iclway.co.uk)
  */
  

final class TinyCommentImpl extends TinyNodeImpl implements Comment {
    
    public TinyCommentImpl(TinyDocumentImpl doc, int nodeNr) {
        this.document = doc;
        this.nodeNr = nodeNr;
    }

    /**
    * Get the XPath string value of the comment
    */

    public final String getStringValue() {
        int start = document.offset[nodeNr];
        int len = document.length[nodeNr];
        if (len==0) return "";                  // fix bug 6.0.2/005
        char[] dest = new char[len];
        document.commentBuffer.getChars(start, start+len, dest, 0);
        return new String(dest, 0, len);
    }

    /**
    * Get the node type
    * @return NodeInfo.COMMENT
    */

    public final short getNodeType() {
        return NodeInfo.COMMENT;
    }

    /**
    * Copy this node to a given outputter
    */

    public void copy(Outputter out) throws TransformerException {
        out.writeComment(getStringValue());
    }
    
}   


//
// The contents of this file are subject to the Mozilla Public License Version 1.0 (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.mozilla.org/MPL/ 
//
// Software distributed under the License is distributed on an "AS IS" basis,
// WITHOUT WARRANTY OF ANY KIND, either express or implied.
// See the License for the specific language governing rights and limitations under the License. 
//
// The Original Code is: all this file. 
//
// The Initial Developer of the Original Code is
// Michael Kay of International Computers Limited (mhkay@iclway.co.uk).
//
// Portions created by (your name) are Copyright (C) (your legal entity). All Rights Reserved. 
//
// Contributor(s): none. 
//