public void TestDecodeRune()
{
foreach (var rm in runeMap)
{
var buffer = rm.Bytes;
(var rune, var size) = Utf8.DecodeRune(buffer);
Assert.AreEqual(rune, rm.Rune, "Decoding rune 0x{0:x} got 0x{1:x}", rm.Rune, rune);
Assert.AreEqual(rm.Bytes.Length, size, "Decoding rune size for 0x{0:x} got 0x{1:x}", rm.Bytes.Length, size);
(rune, size) = Utf8.DecodeRune(ustring.Make(rm.Bytes));
Assert.AreEqual(rune, rm.Rune, "Decoding rune from string 0x{0:x} got 0x{1:x}", rm.Rune, rune);
Assert.AreEqual(rm.Bytes.Length, size, "Decoding rune size for 0x{0:x} got 0x{1:x}", rm.Bytes.Length, size);
// Add trailing zero;
var buffer2 = new byte [rm.Bytes.Length + 1];
Array.Copy(buffer, buffer2, rm.Bytes.Length);
(rune, size) = Utf8.DecodeRune(buffer2);
Assert.AreEqual(rune, rm.Rune, "Decoding rune 0x{0:x} got 0x{1:x}", rm.Rune, rune);
Assert.AreEqual(rm.Bytes.Length, size, "Decoding rune size for 0x{0:x} got 0x{1:x}", rm.Bytes.Length, size);
(rune, size) = Utf8.DecodeRune(ustring.Make(buffer2));
Assert.AreEqual(rune, rm.Rune, "Decoding rune from string 0x{0:x} got 0x{1:x}", rm.Rune, rune);
Assert.AreEqual(rm.Bytes.Length, size, "Decoding rune size for 0x{0:x} got 0x{1:x}", rm.Bytes.Length, size);
// Tru removing one byte
var wantsize = 1;
if (wantsize >= rm.Bytes.Length)
{
wantsize = 0;
}
var buffer3 = new byte [rm.Bytes.Length - 1];
Array.Copy(buffer, buffer3, buffer3.Length);
(rune, size) = Utf8.DecodeRune(buffer3);
Assert.AreEqual(rune, Utf8.RuneError, "Expected an error for short buffer in 0x{0:0}", rm.Rune);
Assert.AreEqual(wantsize, size, "Expected {0}={1} for 0x{2}", wantsize, size, rm.Rune);
// Make sure bad sequences fail
var buffer4 = (byte [])rm.Bytes.Clone();
if (buffer4.Length == 1)
{
buffer4 [0] = 0x80;
}
else
{
buffer4 [buffer4.Length - 1] = 0x7f;
}
(rune, size) = Utf8.DecodeRune(buffer4);
Assert.AreEqual(rune, Utf8.RuneError, "Expected malformed buffer to return an error for rune 0x{0:x}", rm.Rune);
Assert.AreEqual(1, size, "Expected malformed buffer to return size 1");
(rune, size) = Utf8.DecodeRune(ustring.Make(buffer4));
Assert.AreEqual(rune, Utf8.RuneError, "Expected malformed buffer to return an error");
Assert.AreEqual(1, size, "Expected malformed buffer to return size 1");
}
}
public void TestDecodeSurrogateRune()
{
foreach (var rm in surrogateMap)
{
(var rune, var size) = Utf8.DecodeRune(rm.Bytes);
Assert.AreEqual(rune, Utf8.RuneError);
Assert.AreEqual(1, size);
(rune, size) = Utf8.DecodeRune(ustring.Make(rm.Bytes));
Assert.AreEqual(rune, Utf8.RuneError);
Assert.AreEqual(1, size);
}
}
void RenderUstr(ustring ustr, int col, int line, int width)
{
int byteLen = ustr.Length;
int used = 0;
for (int i = 0; i < byteLen;)
{
(var rune, var size) = Utf8.DecodeRune(ustr, i, i - byteLen);
var count = Rune.ColumnWidth(rune);
if (used + count >= width)
{
break;
}
Driver.AddRune(rune);
used += count;
i += size;
}
for (; used < width; used++)
{
Driver.AddRune(' ');
}
}
// A slightly adapted method from gui.cs: https://github.com/migueldeicaza/gui.cs/blob/fc1faba7452ccbdf49028ac49f0c9f0f42bbae91/Terminal.Gui/Views/ListView.cs#L433-L461
private void RenderUstr(ConsoleDriver driver, ustring ustr, int col, int line, int width)
{
int used = 0;
int index = 0;
while (index < ustr.Length)
{
(var rune, var size) = Utf8.DecodeRune(ustr, index, index - ustr.Length);
var count = Rune.ColumnWidth(rune);
if (used + count > width)
{
break;
}
driver.AddRune(rune);
used += count;
index += size;
}
while (used < width)
{
driver.AddRune(' ');
used++;
}
}
void RenderLine(ConsoleDriver driver, IHasStats toRender, int col, int line, int width)
{
string suffix = " ";
//Get relation to player
if (toRender is IActor a)
{
var world = a.CurrentLocation.World;
var relationship = world.Relationships.SumBetween(a, world.Player);
if (relationship < -40)
{
suffix = "---";
}
else
if (relationship < -20)
{
suffix = "-- ";
}
else
if (relationship < 0)
{
suffix = "- ";
}
else
if (relationship > 40)
{
suffix = "+++";
}
else
if (relationship > 20)
{
suffix = "++ ";
}
else
if (relationship > 0)
{
suffix = "+ ";
}
}
//allow for the suffix
var ustring = toRender.ToString();
ustring = ustring.Substring(0, Math.Min(ustring.Length, width - 3)) + suffix;
ustring = ustring.PadRight(width);
int byteLen = ustring.Length;
int used = 0;
for (int i = 0; i < byteLen;)
{
(var rune, var size) = Utf8.DecodeRune(ustring, i, i - byteLen);
var count = Rune.ColumnWidth(rune);
if (used + count >= width)
{
break;
}
if (rune == '-')
{
driver.SetAttribute(_red);
}
else
if (rune == '+')
{
driver.SetAttribute(_green);
}
else
{
driver.SetAttribute(_normal);
}
driver.AddRune(rune);
used += count;
i += size;
}
for (; used < width; used++)
{
driver.AddRune(' ');
}
}