com.google.gwt.xml.client.impl.XMLParserImplSafari Maven / Gradle / Ivy
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/*
* Copyright 2008 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.gwt.xml.client.impl;
import com.google.gwt.core.client.JavaScriptObject;
/**
* This class is Safari implementation of the XMLParser interface.
*/
public class XMLParserImplSafari extends XMLParserImplStandard {
private static boolean safari2LevelWebKit = (getWebKitVersion() <= 420);
public static boolean isSafari2LevelWebKit() {
return safari2LevelWebKit;
}
private static native int getWebKitVersion() /*-{
var result = / AppleWebKit\/([\d]+)/.exec(navigator.userAgent);
return ((result) ? parseInt(result[1]) : 0) || 0;
}-*/;
private static void throwDOMParseException(String message) {
throw new DOMParseException(message);
}
@Override
protected native JavaScriptObject getElementsByTagNameImpl(JavaScriptObject o,
String tagName) /*-{
return o.getElementsByTagName(tagName);
}-*/;
@Override
protected native JavaScriptObject importNodeImpl(JavaScriptObject jsObject,
JavaScriptObject importedNode, boolean deep) /*-{
// Works around a Safari2 issue where importing a node will steal attributes
// from the original.
if (@com.google.gwt.xml.client.impl.XMLParserImplSafari::isSafari2LevelWebKit()()) {
importedNode = importedNode.cloneNode(deep);
}
return jsObject.importNode(importedNode, deep);
}-*/;
/**
*
* This page contains the following errors:
* error on line 1 at
* column 2: xmlParseStartTag: invalid element name
* Below is a rendering of the page up to the first error.
* is all you get from Safari. Hope that nobody
* wants to send one of those error reports over the wire to be parsed by
* safari...
*
* @param contents contents
* @return parsed JavaScript object
* @see com.google.gwt.xml.client.impl.XMLParserImpl#parseImpl(java.lang.String)
*/
@Override
protected native JavaScriptObject parseImpl(String contents) /*-{
var domParser =
[email protected]::domParser;
var result = domParser.parseFromString(contents,"text/xml");
var parseerrors = result.getElementsByTagName("parsererror");
if (parseerrors.length > 0) {
var err = parseerrors.item(0);
if (err.parentNode.tagName == 'body') {
@com.google.gwt.xml.client.impl.XMLParserImplSafari::throwDOMParseException(Ljava/lang/String;)(err.childNodes[1].innerHTML);
}
}
return result;
}-*/;
}