public static string HtmlEncode(string s)
{
#if NET_4_0
if (s == null)
return null;
using (var sw = new StringWriter ()) {
HttpEncoder.Current.HtmlEncode (s, sw);
return sw.ToString ();
}
#else
return HttpEncoder.HtmlEncode(s);
#endif
}
/// <summary>
/// HTML-encodes a string and sends the resulting output to a TextWriter output stream.
/// </summary>
/// <param name="s">The string to encode. </param>
/// <param name="output">The TextWriter output stream containing the encoded string. </param>
public static void HtmlEncode(string s, TextWriter output)
{
if (output == null)
{
#if NET_4_0
throw new ArgumentNullException("output");
#else
throw new NullReferenceException(".NET emulation");
#endif
}
if (!String.IsNullOrEmpty(s))
{
#if NET_4_0
HttpEncoder.Current.HtmlEncode(s, output);
#else
output.Write(HttpEncoder.HtmlEncode(s));
#endif
}
}
public static string HtmlEncode(string s) => HttpEncoder.HtmlEncode(s);
public static void HtmlEncode(string s, TextWriter output) => HttpEncoder.HtmlEncode(s, output);
public static string HtmlEncode(string s)
{
return(HttpEncoder.HtmlEncode(s));
}
