/**
* Unescapes an URL. All the "%xx" are replaced by the 'xx' hex char value.
* @param src the url to unescape
* @return the eunescaped value
*/
public static String UnEscapeURL(String src)
{
StringBuilder bf = new StringBuilder();
char[] s = src.ToCharArray();
for (int k = 0; k < s.Length; ++k)
{
char c = s[k];
if (c == '%')
{
if (k + 2 >= s.Length)
{
bf.Append(c);
continue;
}
int a0 = PRTokeniser.GetHex((int)s[k + 1]);
int a1 = PRTokeniser.GetHex((int)s[k + 2]);
if (a0 < 0 || a1 < 0)
{
bf.Append(c);
continue;
}
bf.Append((char)(a0 * 16 + a1));
k += 2;
}
else
{
bf.Append(c);
}
}
return(bf.ToString());
}