public void GetModeSmall()
{
var nabe = new Nabe();
for (var c = 'a'; c <= 'z'; c++)
{
Assert.Equal(Nabe.Block.Mode.Small, nabe.GetMode($"{c}"));
}
}
public void GetModeBase64()
{
var nabe = new Nabe();
for (var c = 'あ'; c <= 'ん'; c++)
{
Assert.Equal(Nabe.Block.Mode.Base64, nabe.GetMode($"{c}"));
}
}
public void GetModeBig()
{
var nabe = new Nabe();
for (var c = 'A'; c <= 'Z'; c++)
{
Assert.Equal(Nabe.Block.Mode.Big, nabe.GetMode($"{c}"));
}
}
public void GetModeSymbol()
{
var nabe = new Nabe();
foreach (var s in new[] {
"!", "\"", "#", "$", "%", "&", "'", "(", ")", "*", "+",
",", "-", ".", "/", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", ":", ";", "<", "=", ">", "?", "@",
"[", "\\", "]", "^", "_", "`", "{", "|", "}", "~", " "
})
{
Assert.Equal(Nabe.Block.Mode.Symbol, nabe.GetMode(s));
}
}
public void Test_Parse()
{
var data = new[] {
new byte[] { 0x8F, 0xBA },
new byte[] { 0x90, 0x89 },
new byte[] { 0x90, 0x8A },
new byte[] { 0x8F, 0xBA, 0xdb, 0x40, 0xdd, 0x00 },
new byte[] { 0x90, 0x89, 0xdb, 0x40, 0xdd, 0x00 },
new byte[] { 0x90, 0x8A, 0xdb, 0x40, 0xdd, 0x00 }
};
foreach (var b in data)
{
Assert.NotNull(Nabe.Parse(b));
}
Assert.Throws <InvalidNabeFormatException>(() => Nabe.Parse(new byte[] { 0x1 }));
Assert.Throws <InvalidNabeFormatException>(() => Nabe.Parse(System.Array.Empty <byte>()));
}
/// <summary>
/// デコード本体
/// </summary>
/// <returns></returns>
public IEnumerable <byte> Decode()
{
var nextMod = 0;
var stack = new Stack <int>();
var encoding = new UnicodeEncoding(true, false);
while (stream.Peek() > 0)
{
for (var item = StringInfo.GetTextElementEnumerator(stream.ReadLine() ?? string.Empty);
item.MoveNext();)
{
var bytes = encoding.GetBytes(item.GetTextElement());
var nextNabe = Nabe.Parse(bytes.AsSpan());
if (nextNabe.Position is null)
{
if (stack.Any())
{
yield return((byte)Aggregate(stack, nextMod));
}
nextMod = (int)nextNabe.Base;
}
else
{
stack.Push(Wbase59.ToValue(nextNabe));
}
}
if (!stack.Any())
{
continue;
}
yield return((byte)Aggregate(stack, nextMod));
}
}
