private static void SubSubSteps(string input, Encoding selectedEncoding, ref StringBuilder result)
{
var enumerator = new CharacterEnumerator(input);
while (enumerator.MoveNext())
{
var c = enumerator.Current;
var codePoint = enumerator.GetCodePoint();
if (c == " ")
{
result.Append('+');
}
else if (!Regex.IsMatch(c, "[\u0020\u002A\u002D\u002E\u0030-\u0039\u0041-\u005A\u005F\u0061-\007A]"))
{
string s = string.Empty;
foreach (var b in selectedEncoding.GetBytes(s))
{
SubSubSubStep(b, ref s);
}
}
else
{
result.Append(c);
}
}
}
private static string InternalEncode(string str)
{
var sb = new StringBuilder();
var enumerator = new CharacterEnumerator(str);
var lastWasCr = false;
while (enumerator.MoveNext())
{
var c = enumerator.Current;
var codePoint = enumerator.GetCodePoint();
if (c == " ")
{
sb.Append('+');
}
else if (c == "\u2029" || c == "\u2028" || c == "\u0085" || c == "\u000D" || (c == "\u000A" && !lastWasCr))
{
sb.Append("%0D%0A");
}
else if (Regex.IsMatch(c, @"[A-Za-z0-9]"))
{
sb.Append(c);
}
else if (codePoint > 127)
{
throw new FormatException("The non-alphanumeric character '" + c + "' cannot be represented as ASCII coded character.");
}
else if (c != "\u000A")
{
sb.Append("%" + ((byte)codePoint).ToString("X2"));
}
lastWasCr = c == "\u000D";
}
return(sb.ToString());
}
/* private static string InternalEncode(string str)
* {
* StringBuilder sb = new StringBuilder();
* TextElementEnumerator enumerator = StringInfo.GetTextElementEnumerator(str);
*
* bool lastWasCr = false;
* foreach (char c in str)
* {
* if (lastWasCr && c != '\u000A')
* sb.Append("%0D%0A");
*
* if (c == ' ')
* sb.Append('+');
* if (c == '\u2028' || c == '\u000A' || c == '\u0085')
* sb.Append("%0D%0A");
* else if (c > 127 || ":/?#[]@!$&'()*+,;=".IndexOf(c) != -1)
* foreach (byte b in Encoding.UTF8.GetBytes(new char[] {c}))
* {
* sb.Append("%");
* sb.Append(b.ToString("X2"));
* }
* else if (!(lastWasCr = c == '\u000D'))
* sb.Append(c);
* }
*
* if (lastWasCr)
* sb.Append("%0D%0A");
*
* return sb.ToString();
* } */
private static string InternalEncode(string str)
{
var sb = new StringBuilder();
var enumerator = new CharacterEnumerator(str);
var lastWasCr = false;
while (enumerator.MoveNext())
{
var c = enumerator.Current;
if (c == " ")
{
sb.Append('+');
}
else if (c == "\u2028" || c == "\u0085" || c == "\u000D" || (c == "\u000A" && !lastWasCr))
{
sb.Append("%0D%0A");
}
else if (enumerator.GetCodePoint() > 127 || ":/?#[]@!$&'()*+,;=".IndexOf(c, StringComparison.Ordinal) != -1)
{
foreach (var b in Encoding.UTF8.GetBytes(c))
{
sb.Append("%");
sb.Append(b.ToString("X2"));
}
}
else if (c != "\u000A")
{
sb.Append(c);
}
lastWasCr = c == "\u000D";
}
return(sb.ToString());
}