internal static bool MatchString(LimitChecker limitChecker, CultureInfo cultureInfo, string content, string pattern, ContentFlags flags)
{
if (!limitChecker.CheckAndIncrementContentRestrictionCount(1, content))
{
return(false);
}
CompareOptions compareOptions = RestrictionEvaluator.GetCompareOptions(flags);
ContentFlags contentFlags = flags & (ContentFlags.SubString | ContentFlags.Prefix);
CompareInfo compareInfo = cultureInfo.CompareInfo;
switch (contentFlags)
{
case ContentFlags.FullString:
return(compareInfo.Compare(content, pattern, compareOptions) == 0);
case ContentFlags.SubString:
return(compareInfo.IndexOf(content, pattern, compareOptions) != -1);
case ContentFlags.Prefix:
return(compareInfo.IsPrefix(content, pattern, compareOptions));
default:
throw new InvalidRuleException(string.Format("Not supported content flags {0}", flags));
}
}
private static bool MatchByteArray(LimitChecker limitChecker, byte[] content, byte[] pattern, ContentFlags flags)
{
if (!limitChecker.CheckAndIncrementContentRestrictionCount(1, content))
{
return(false);
}
switch (flags & (ContentFlags.SubString | ContentFlags.Prefix))
{
case ContentFlags.FullString:
return(RuleUtil.EqualsByteArray(content, pattern));
case ContentFlags.SubString:
return(RuleUtil.Contains(content, pattern));
case ContentFlags.Prefix:
return(RuleUtil.IsPrefix(content, pattern));
default:
throw new InvalidRuleException(string.Format("Not supported content flags {0}", flags));
}
}