/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.sling.ide.eclipse.ui.nav.model;
import de.pdark.decentxml.Location;
import de.pdark.decentxml.Token;
import de.pdark.decentxml.XMLParseException;
import de.pdark.decentxml.XMLSource;
import de.pdark.decentxml.XMLTokenizer;
/**
* In parts inspired by/copied from de.pdark.decentxml.XMLTokenizer.
* <p>
* Note: this variant of the XMLTokenizer became necessary since XMLTokenizer incorrectly complains when encountering a
* '>' inside an xml attribute value. The '>' is valid though.
*
* @see <a href="https://code.google.com/p/decentxml/issues/detail?id=5">decentxml bug report</a>
*/
final class TolerantXMLTokenizer extends XMLTokenizer {
private final String originDetails;
TolerantXMLTokenizer(XMLSource source, String originDetails) {
super(source);
this.originDetails = originDetails;
}
@Override
protected void parseAttribute(Token token) {
token.setType (Type.ATTRIBUTE);
parseName ("attribute");
if (pos == token.getStartOffset())
throw new XMLParseException ("Expected attribute name", source, pos);
skipWhiteSpace ();
expect ('=');
skipWhiteSpace ();
char c = 0;
if (pos < source.length ())
c = source.charAt (pos);
if (c != '\'' && c != '"')
throw new XMLParseException ("Expected single or double quotes", source, pos);
char endChar = c;
while (true)
{
pos ++;
if (pos >= source.length ())
{
int i = Math.min (20, source.length () - token.getStartOffset ());
throw new XMLParseException ("Missing end quote ("+endChar+") of attribute: "
+lookAheadForErrorMessage (null, token.getStartOffset (), i), token);
}
c = source.charAt (pos);
if (c == endChar)
break;
if (c == '<') {
Location l = new Location(source, pos);
System.err.println("Illegal character in attribute value: '"+c+"' in "+originDetails+" at "+l);
}
}
// Skip end-char
pos ++;
}
}