/// <summary>
/// Filters out JavaScript fromCharCode input
/// </summary>
/// <param name="input">The input</param>
/// <returns>The re-encoded input</returns>
internal static string convertFromJSCharcode(string input)
{
string retval = string.Empty;
if (!input.Contains(","))
{
return string.Empty;
}
//Clean the input
CleanCharcode(ref input);
Regex re = new Regex(string.Format(@"
{0} # Match first opening delimiter
(?<inner>
(?>
{0} (?<LEVEL>) # On opening delimiter push level
|
{1} (?<-LEVEL>) # On closing delimiter pop level
|
(?! {0} | {1} ) . # Match any char unless the opening
)+ # or closing delimiters are in the lookahead string
(?(LEVEL)(?!)) # If level exists then fail
)
{1} # Match last closing delimiter
", "\\(", "\\)"),
RegexOptions.IgnorePatternWhitespace | RegexOptions.IgnoreCase);
MatchCollection mc = re.Matches(input);
foreach (Match m in mc)
{
if (m.Success)
{
string converted = "";
string[] toconvert = m.Groups["inner"].Value.Split(',');
foreach (string charcode in toconvert)
{
string sCharCode = charcode;
//Convert hex
ConvertHex(ref sCharCode);
//Convert octal
ConvertOctal(ref sCharCode);
try
{
ExpressionParser.RPNParser rpn = new ExpressionParser.RPNParser();
Int64 iCharCode = (Int64)rpn.EvaluateExpression(sCharCode, Type.GetType("System.Int64"), false, null);
converted += (char)iCharCode;
}
catch (Exception)
{
//Put the original input back in
converted += sCharCode;
}
}
retval += "[" + converted + "]";
}
}
return retval;
}
/// <summary>
/// Filters out JavaScript fromCharCode input
/// </summary>
/// <param name="input">The input</param>
/// <returns>The re-encoded input</returns>
internal static string convertFromJSCharcode(string input)
{
string retval = string.Empty;
if (!input.Contains(","))
{
return(string.Empty);
}
//Clean the input
CleanCharcode(ref input);
Regex re = new Regex(string.Format(@"
{0} # Match first opening delimiter
(?<inner>
(?>
{0} (?<LEVEL>) # On opening delimiter push level
|
{1} (?<-LEVEL>) # On closing delimiter pop level
|
(?! {0} | {1} ) . # Match any char unless the opening
)+ # or closing delimiters are in the lookahead string
(?(LEVEL)(?!)) # If level exists then fail
)
{1} # Match last closing delimiter
", "\\(", "\\)"),
RegexOptions.IgnorePatternWhitespace | RegexOptions.IgnoreCase);
MatchCollection mc = re.Matches(input);
foreach (Match m in mc)
{
if (m.Success)
{
string converted = "";
string[] toconvert = m.Groups["inner"].Value.Split(',');
foreach (string charcode in toconvert)
{
string sCharCode = charcode;
//Convert hex
ConvertHex(ref sCharCode);
//Convert octal
ConvertOctal(ref sCharCode);
try
{
ExpressionParser.RPNParser rpn = new ExpressionParser.RPNParser();
Int64 iCharCode = (Int64)rpn.EvaluateExpression(sCharCode, Type.GetType("System.Int64"), false, null);
converted += (char)iCharCode;
}
catch (Exception)
{
//Put the original input back in
converted += sCharCode;
}
}
retval += "[" + converted + "]";
}
}
return(retval);
}
