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Add italics support #3

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88 changes: 58 additions & 30 deletions R11_Script_Editor/Tokens/Tokenizer.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -3803,66 +3803,94 @@ static public byte[] StringEncode(string input)
temp = temp.Replace("é", "≡");
temp = temp.Replace("ö", "≒");
var x = Encoding.GetEncoding("shift_jis").GetBytes(temp);

for (int i=0; i<x.Length-1; i++)
if (x[i] >= 0x80)

var encoded = new List<byte>();
var italic = false;

for (int i = 0; i < x.Length; i++)
{
if (x[i] == 0x5C) // \
{ italic = !italic; continue; }

if (italic && x[i] > 0x20 && x[i] < 0x80)
{
encoded.Add(0x86);
if (x[i] > 0x4F)
{ x[i] += (byte)(0x30); }
else
{ x[i] += (byte)(0x2F); }
}
else if (x[i] >= 0x80)
{
i++;
if (x[i-1] == 0x81 && x[i] == 0xe0) // ≒ -> ö
{ x[i-1] = 0x86; x[i] = 0x40; }
if (x[i-1] == 0x81 && x[i] == 0xde) // ∇ -> ï
else if (x[i-1] == 0x81 && x[i] == 0xde) // ∇ -> ï
{ x[i-1] = 0x86; x[i] = 0x43; }
else if (x[i-1] == 0x81 && x[i] == 0xdf) // ≡ -> é
{ x[i-1] = 0x86; x[i] = 0x44; }
else if (x[i-1] == 0x81 && x[i] == 0x61) // ∥ -> "I"
{ x[i-1] = 0x86; x[i] = 0x78; }
else if (x[i-1] == 0x83 && x[i] == 0xB1) // Tau -> "t"
{ x[i-1] = 0x86; x[i] = 0xA4; }
else if (x[i-1] == 0x83 && x[i] == 0xA5) // Eta -> "h"
{ x[i-1] = 0x86; x[i] = 0x98; }
else if (x[i-1] == 0x83 && x[i] == 0x9F) // Alpha -> "a"
{ x[i-1] = 0x86; x[i] = 0x91; }
else if (x[i-1] == 0x81 && x[i] == 0xAB) // ↓ -> "!"
{ x[i-1] = 0x86; x[i] = 0x50; }
else if (x[i-1] == 0x81 && x[i] == 0x79) // 【 -> "「"
{ x[i-1] = 0x85; x[i] = 0xA0; }
else if (x[i-1] == 0x81 && x[i] == 0x7A) // 】 -> "」"
{ x[i-1] = 0x85; x[i] = 0xA1; }

else if (x[i-1] == 0x81 && (x[i] == 0x75 || x[i] == 0x76)) // break italics at beginning/end of message body
{ italic = false; }
encoded.Add(x[i-1]);
}

return x;
encoded.Add(x[i]);
}

return encoded.ToArray();
}

static public string StringDecode(byte[] x)
{
for (int i=0; i<x.Length-1; i++)
var decoded = new List<byte>();
var italic = false;
var nonitalics = 0;
for (int i = 0; i < x.Length; i++)
{
if (x[i] == 0x86 && x[i+1] > 0x4F && x[i+1] < 0xB0)
{
i++;
nonitalics = 0;
if (!italic)
{ italic = true; decoded.Add(0x5C); } // \
if (x[i] > 0x7F)
{ x[i] -= 0x30; }
else
{ x[i] -= 0x2F; }
decoded.Add(x[i]);
continue;
} // Only place exiting backslashes when needed to not clutter the edit box
else if (italic)
{
if (x[i] > 0x20 && x[i] < 0x80 || x[i] == 0x81 && (x[i+1] == 0x75 || x[i+1] == 0x76))
{ italic = false; decoded.Insert(decoded.Count - nonitalics, 0x5C); } // \
nonitalics++;
}

if (x[i] >= 0x80)
{
i++;
if (x[i - 1] == 0x86 && x[i] == 0x40) // ö -> ≒
if (x[i-1] == 0x86 && x[i] == 0x40) // ö -> ≒
{ x[i-1] = 0x81; x[i] = 0xe0; }
else if (x[i-1] == 0x86 && x[i] == 0x43) // ï -> ∇
{ x[i-1] = 0x81; x[i] = 0xde; }
else if (x[i-1] == 0x86 && x[i] == 0x44) // é -> ≡
{ x[i-1] = 0x81; x[i] = 0xdf; }
else if (x[i-1] == 0x86 && x[i] == 0x78) // "I" -> ∥
{ x[i-1] = 0x81; x[i] = 0x61; }
else if (x[i-1] == 0x86 && x[i] == 0xA4) // "t" -> Tau
{ x[i-1] = 0x83; x[i] = 0xB1; }
else if (x[i-1] == 0x86 && x[i] == 0x98) // "h" -> Eta
{ x[i-1] = 0x83; x[i] = 0xA5; }
else if (x[i-1] == 0x86 && x[i] == 0x91) // "a" -> Alpha
{ x[i-1] = 0x83; x[i] = 0x9F; }
else if (x[i-1] == 0x86 && x[i] == 0x50) // "!" -> ↓
{ x[i-1] = 0x81; x[i] = 0xAB; }
else if (x[i-1] == 0x85 && x[i] == 0xA0) // "「" -> 【
else if (x[i-1] == 0x85 && x[i] == 0xA0) // "「" ->【
{ x[i-1] = 0x81; x[i] = 0x79; }
else if (x[i-1] == 0x85 && x[i] == 0xA1) // "」" -> 】
{ x[i-1] = 0x81; x[i] = 0x7A; }
decoded.Add(x[i-1]);
}

var output = Encoding.GetEncoding("shift-jis").GetString(x);
decoded.Add(x[i]);
}

var output = Encoding.GetEncoding("shift-jis").GetString(decoded.ToArray());
output = output.Replace("∇", "ï");
output = output.Replace("≡", "é");
output = output.Replace("≒", "ö");
Expand Down