package org.pdf4j.saxon.event;
import org.pdf4j.saxon.om.NamePool;
import org.pdf4j.saxon.om.NamespaceConstant;
import org.pdf4j.saxon.sort.IntHashSet;
import org.pdf4j.saxon.trans.XPathException;
/**
* XHTMLEmitter is an Emitter that generates XHTML output.
* It is the same as XMLEmitter except that it follows the legacy HTML browser
* compatibility rules: for example, generating empty elements such as [BR /], and
* using [p][/p] for empty paragraphs rather than [p/]
*/
public class XHTMLEmitter extends XMLEmitter {
/**
* Table of XHTML tags that have no closing tag
*/
IntHashSet emptyTags = new IntHashSet(31);
private static String[] emptyTagNames = {
"area", "base", "basefont", "br", "col", "frame", "hr", "img", "input", "isindex", "link", "meta", "param"
};
/**
* Do the real work of starting the document. This happens when the first
* content is written.
*
* @throws org.pdf4j.saxon.trans.XPathException
*
*/
protected void openDocument() throws XPathException {
NamePool pool = getPipelineConfiguration().getConfiguration().getNamePool();
for (int i=0; i<emptyTagNames.length; i++) {
emptyTags.add(pool.allocate("", NamespaceConstant.XHTML, emptyTagNames[i]) & NamePool.FP_MASK);
}
super.openDocument();
}
/**
* Close an empty element tag.
*/
protected String emptyElementTagCloser(String displayName, int nameCode) {
if (emptyTags.contains(nameCode & NamePool.FP_MASK)) {
return " />";
} else {
return "></" + displayName + '>';
}
}
}
//
// 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 H. Kay.
//
// Portions created by (your name) are Copyright (C) (your legal entity). All Rights Reserved.
//
// Contributor(s): none.
//