public void parse(String line, ParseState state)
{
lineParser.parse(line, state);
Match match = ParseUtil.match(Constants.EXT_X_VERSION_PATTERN, line, getTag());
if (state.getCompatibilityVersion() != ParseState.NONE)
{
throw ParseException.create(ParseExceptionType.MULTIPLE_EXT_TAG_INSTANCES, getTag(), line);
}
int compatibilityVersion = ParseUtil.parseInt(match.Groups[1].Value, getTag());
if (compatibilityVersion < Playlist.MIN_COMPATIBILITY_VERSION)
{
throw ParseException.create(ParseExceptionType.INVALID_COMPATIBILITY_VERSION, getTag(), line);
}
if (compatibilityVersion > Constants.MAX_COMPATIBILITY_VERSION)
{
throw ParseException.create(ParseExceptionType.UNSUPPORTED_COMPATIBILITY_VERSION, getTag(), line);
}
state.setCompatibilityVersion(compatibilityVersion);
}