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/*
* Copyright (c) 2008 Mozilla Foundation
*
* 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 nu.validator.htmlparser.gwt;
import org.xml.sax.SAXException;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.core.client.JavaScriptObject;
public class HtmlParserModule implements EntryPoint {
private static native void zapChildren(JavaScriptObject node) /*-{
while (node.hasChildNodes()) {
node.removeChild(node.lastChild);
}
}-*/;
private static native void installDocWrite(JavaScriptObject doc, HtmlParser parser) /*-{
doc.write = function() {
if (arguments.length == 0) {
return;
}
var text = arguments[0];
for (var i = 1; i < arguments.length; i++) {
text += arguments[i];
}
parser.@nu.validator.htmlparser.gwt.HtmlParser::documentWrite(Ljava/lang/String;)(text);
}
doc.writeln = function() {
if (arguments.length == 0) {
parser.@nu.validator.htmlparser.gwt.HtmlParser::documentWrite(Ljava/lang/String;)("\n");
return;
}
var text = arguments[0];
for (var i = 1; i < arguments.length; i++) {
text += arguments[i];
}
text += "\n";
parser.@nu.validator.htmlparser.gwt.HtmlParser::documentWrite(Ljava/lang/String;)(text);
}
}-*/;
@SuppressWarnings("unused")
private static void parseHtmlDocument(String source, JavaScriptObject document, JavaScriptObject readyCallback, JavaScriptObject errorHandler) throws SAXException {
if (readyCallback == null) {
readyCallback = JavaScriptObject.createFunction();
}
zapChildren(document);
HtmlParser parser = new HtmlParser(document);
parser.setScriptingEnabled(true);
// XXX error handler
installDocWrite(document, parser);
parser.parse(source, new ParseEndListener(readyCallback));
}
private static native void exportEntryPoints() /*-{
$wnd.parseHtmlDocument = @nu.validator.htmlparser.gwt.HtmlParserModule::parseHtmlDocument(Ljava/lang/String;Lcom/google/gwt/core/client/JavaScriptObject;Lcom/google/gwt/core/client/JavaScriptObject;Lcom/google/gwt/core/client/JavaScriptObject;);
}-*/;
public void onModuleLoad() {
exportEntryPoints();
}
}
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