private static List<MediaType> parseMediaList(CSSTextScanner scan) throws SAXException {
ArrayList<MediaType> typeList = new ArrayList<MediaType>();
while (!scan.empty()) {
String type = scan.nextToken(',');
try {
typeList.add(MediaType.valueOf(type));
} catch (IllegalArgumentException e) {
throw new SAXException("Invalid @media type list");
}
// If there is a comma, keep looping, otherwise break
if (!scan.skipCommaWhitespace()) break;
}
return typeList;
}
/*
* Parse a selector group (eg. E, F, G). In many/most cases there will be only one entry.
*/
private List<Selector> parseSelectorGroup(CSSTextScanner scan) throws SAXException {
if (scan.empty()) return null;
ArrayList<Selector> selectorGroup = new ArrayList<Selector>(1);
Selector selector = new Selector();
while (!scan.empty()) {
if (scan.nextSimpleSelector(selector)) {
// If there is a comma, keep looping, otherwise break
if (!scan.skipCommaWhitespace())
continue; // if not a comma, go back and check for next part of selector
selectorGroup.add(selector);
selector = new Selector();
} else break;
}
if (!selector.isEmpty()) selectorGroup.add(selector);
return selectorGroup;
}
