using System.Globalization;
using System.Linq;
using System.Text;
namespace jQueryBuddy.Utilities
{
public static class StringExtensions
{
///
/// HTML-encodes a string and returns the encoded string.
///
/// The html string to encode.
/// The HTML-encoded text.
public static string EncodeHtml(this string html)
{
if (html == null)
return null;
var sb = new StringBuilder(html.Length);
var len = html.Length;
for (var i = 0; i < len; i++)
{
switch (html[i])
{
case '<':
sb.Append("<");
break;
case '>':
sb.Append(">");
break;
case '"':
sb.Append(""");
break;
case '&':
sb.Append("&");
break;
default:
if (html[i] > 159)
{
// decimal numeric entity
sb.Append("&#");
sb.Append(((int)html[i]).ToString(CultureInfo.InvariantCulture));
sb.Append(";");
}
else
sb.Append(html[i]);
break;
}
}
return sb.ToString();
}
}
}