88 lines
3.5 KiB
Java
88 lines
3.5 KiB
Java
/*
|
|
* 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();
|
|
}
|
|
|
|
}
|