public override CodedValueCollection GetCodes(string value)
{
var v = new StringBuilder();
foreach (char item in value.ToCharArray())
{
v.Append(AsciiEncoder.Lookup(item));
}
return(base.GetCodes(v.ToString()));
}
public void TestSafe64EncodingAllChars()
{
//char count must by multiple of 4 for the compare to work
string encoded = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_";
byte[] data = Safe64Encoding.DecodeBytes(encoded);
Assert.AreEqual(encoded, Safe64Encoding.EncodeBytes(data));
data = AsciiEncoder.DecodeBytes(encoded);
Assert.AreEqual(encoded, AsciiEncoder.EncodeBytes(data));
data = AsciiEncoder.DecodeBytes(Encoding.ASCII.GetBytes(encoded));
Assert.AreEqual(encoded, AsciiEncoder.EncodeBytes(data));
}
public void TestSafe64EncodingLargeArray()
{
Random rand = new Random();
byte[] data = new byte[0x400000];
rand.NextBytes(data);
string testAsc = Safe64Encoding.EncodeBytes(data);
Assert.AreEqual(0, BinaryComparer.Compare(data, Safe64Encoding.DecodeBytes(testAsc)));
testAsc = AsciiEncoder.EncodeBytes(data);
Assert.AreEqual(0, BinaryComparer.Compare(data, AsciiEncoder.DecodeBytes(testAsc)));
}
void TestEncoderAgainstBase64(int repeat, int size)
{
Random rand = new Random();
byte[] data = new byte[size];
while (repeat-- > 0)
{
rand.NextBytes(data);
string testB64 = Convert.ToBase64String(data);
string testAsc = Safe64Encoding.EncodeBytes(data);
Assert.AreEqual(testB64.Replace('+', '-').Replace('/', '_').Replace("=", ""), testAsc);
Assert.AreEqual(0, BinaryComparer.Compare(data, Safe64Encoding.DecodeBytes(testAsc)));
Assert.AreEqual(0, BinaryComparer.Compare(data, AsciiEncoder.DecodeBytes(testAsc)));
}
}
public override CodedValueCollection GetCodes(string value)
{
var codes = new CodedValueCollection();
foreach (char item in value.ToCharArray())
{
if (item == ' ')
{
codes.Add(38);
}
else if (item == '$')
{
codes.Add(39);
}
else if (item == '/')
{
codes.Add(40);
}
else if (item == '+')
{
codes.Add(41);
}
else if (item == '%')
{
codes.Add(42);
}
else if (item >= '0' && item <= '9')
{
codes.Add(item - 48);
}
else
{
var tmp = AsciiEncoder.Lookup(item);
switch (tmp[0])
{
case '$':
codes.Add(SHIFT1);
codes.Add(tmp[1] - 55);
break;
case '%':
codes.Add(SHIFT2);
codes.Add(tmp[1] - 55);
break;
case '/':
codes.Add(SHIFT3);
codes.Add(tmp[1] - 55);
break;
case '+':
codes.Add(SHIFT4);
codes.Add(tmp[1] - 55);
break;
default:
codes.Add(tmp[0] - 55);
break;
}
}
}
codes.Insert(0, LIMIT);
codes.Add(LIMIT);
codes.Add(TERMINATOR);
return(codes);
}
