/// <summary>
/// URL-encode according to RFC 3986
/// (Thanks to http://www.netmftoolbox.com/ for guidance)
/// </summary>
/// <param name="input">The URL to be encoded.</param>
/// <returns>Returns a string in which all non-alphanumeric characters except -_.~ have been replaced with a percent (%) sign followed by two hex digits.</returns>
public static string UrlEncode(string input)
{
string result = "";
for (int count = 0; count < input.Length; ++count)
{
byte charCode = (byte)(input.ToCharArray()[count]);
if (
charCode == 0x2d || // -
charCode == 0x5f || // _
charCode == 0x2e || // .
charCode == 0x7e || // ~
(charCode > 0x2f && charCode < 0x3a) || // 0-9
(charCode > 0x40 && charCode < 0x5b) || // A-Z
(charCode > 0x60 && charCode < 0x7b) // a-z
)
{
result += input.Substring(count, 1);
}
else
{
// represent the hex value
result += "%" + AbstractNumberUtils.UInt32ToHex(charCode, 2);
}
}
return(result);
}
/// <summary>
/// URL-decode according to RFC 3986
/// (Thanks to http://www.netmftoolbox.com/ for guidance)
/// </summary>
/// <param name="input">The URL to be decoded.</param>
/// <returns>Returns a string in which original characters</returns>
public static string UrlDecode(string input)
{
string result = "";
for (int count = 0; count < input.Length; ++count)
{
string charCode = input.Substring(count, 1);
if (charCode == "%")
{
// Encoded character
string hexVal = input.Substring(++count, 2);
++count;
result += (char)AbstractNumberUtils.Hex2UInt32(hexVal);
}
else
{
// Normal character
result += charCode;
}
}
return(result);
}
