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Added back in on the fly UTF8 translation

This commit is contained in:
mysticbbs 2013-02-24 23:29:54 -05:00
parent 2229370512
commit 3cdb72bde1
1 changed files with 175 additions and 1 deletions
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176
mystic/bbs_io.pas
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@ -4,6 +4,8 @@ Unit BBS_IO;
Interface Interface
{.$DEFINE UTF8}
Uses Uses
{$IFDEF WINDOWS} {$IFDEF WINDOWS}
Windows, Windows,
@ -58,6 +60,7 @@ Type
LastSecond : LongInt; LastSecond : LongInt;
OutBuffer : Array[0..TBBSIOBufferSize] of Char; OutBuffer : Array[0..TBBSIOBufferSize] of Char;
OutBufPos : SmallInt; OutBufPos : SmallInt;
RangeValue : LongInt;
{$IFDEF WINDOWS} {$IFDEF WINDOWS}
SocketEvent : THandle; SocketEvent : THandle;
@ -101,6 +104,7 @@ Type
Function GetYN (Str: String; Yes: Boolean) : Boolean; Function GetYN (Str: String; Yes: Boolean) : Boolean;
Function GetPW (Str: String; BadStr: String; PW: String) : Boolean; Function GetPW (Str: String; BadStr: String; PW: String) : Boolean;
Function OneKey (Str: String; Echo: Boolean) : Char; Function OneKey (Str: String; Echo: Boolean) : Char;
Function OneKeyRange (Str: String; Lo, Hi: LongInt) : Char;
Procedure RemoteRestore (Var Image: TConsoleImageRec); Procedure RemoteRestore (Var Image: TConsoleImageRec);
Procedure PurgeInputBuffer; Procedure PurgeInputBuffer;
@ -167,6 +171,119 @@ Begin
Inherited Destroy; Inherited Destroy;
End; End;
{$IFDEF UTF8}
Function UTF8Encode(Ch : LongInt) : String;
Const
CP437_Map : Array[0..255] of LongInt = (
$2007, $263A, $263B, $2665, $2666, $2663, $2660, $2022,
$25D8, $25CB, $25D9, $2642, $2640, $266A, $266B, $263C,
$25BA, $25C4, $2195, $203C, $00B6, $00A7, $25AC, $21A8,
$2191, $2193, $2192, $2190, $221F, $2194, $25B2, $25BC,
$0020, $0021, $0022, $0023, $0024, $0025, $0026, $0027,
$0028, $0029, $002a, $002b, $002c, $002d, $002e, $002f,
$0030, $0031, $0032, $0033, $0034, $0035, $0036, $0037,
$0038, $0039, $003a, $003b, $003c, $003d, $003e, $003f,
$0040, $0041, $0042, $0043, $0044, $0045, $0046, $0047,
$0048, $0049, $004a, $004b, $004c, $004d, $004e, $004f,
$0050, $0051, $0052, $0053, $0054, $0055, $0056, $0057,
$0058, $0059, $005a, $005b, $005c, $005d, $005e, $005f,
$0060, $0061, $0062, $0063, $0064, $0065, $0066, $0067,
$0068, $0069, $006a, $006b, $006c, $006d, $006e, $006f,
$0070, $0071, $0072, $0073, $0074, $0075, $0076, $0077,
$0078, $0079, $007a, $007b, $007c, $007d, $007e, $007f,
$00c7, $00fc, $00e9, $00e2, $00e4, $00e0, $00e5, $00e7,
$00ea, $00eb, $00e8, $00ef, $00ee, $00ec, $00c4, $00c5,
$00c9, $00e6, $00c6, $00f4, $00f6, $00f2, $00fb, $00f9,
$00ff, $00d6, $00dc, $00a2, $00a3, $00a5, $20a7, $0192,
$00e1, $00ed, $00f3, $00fa, $00f1, $00d1, $00aa, $00ba,
$00bf, $2310, $00ac, $00bd, $00bc, $00a1, $00ab, $00bb,
$2591, $2592, $2593, $2502, $2524, $2561, $2562, $2556,
$2555, $2563, $2551, $2557, $255d, $255c, $255b, $2510,
$2514, $2534, $252c, $251c, $2500, $253c, $255e, $255f,
$255a, $2554, $2569, $2566, $2560, $2550, $256c, $2567,
$2568, $2564, $2565, $2559, $2558, $2552, $2553, $256b,
$256a, $2518, $250c, $2588, $2584, $258c, $2590, $2580,
$03b1, $00df, $0393, $03c0, $03a3, $03c3, $00b5, $03c4,
$03a6, $0398, $03a9, $03b4, $221e, $03c6, $03b5, $2229,
$2261, $00b1, $2265, $2264, $2320, $2321, $00f7, $2248,
$00b0, $2219, $00b7, $221a, $207f, $00b2, $25a0, $00a0);
Begin
If (Ch <= $FF) Then Begin
Case Ch Of
$00, $1B, $0D, $0A, $07, $08, $09 : { NOP } ;
Else
Ch := CP437_Map[Ch];
End;
End;
If (Ch <= $7F) Then Begin
Result := Chr(Ch);
Exit;
End;
If (Ch <= $7FF) Then Begin
Result := Chr($C0 or ((Ch shr 6) and $1F)) +
Chr($80 or (Ch and $3F));
Exit;
End;
If (Ch <= $FFFF) Then Begin
Result := Chr($E0 or ((Ch shr 12) and $0F)) +
Chr($80 or ((Ch shr 6) and $3F)) +
Chr($80 or (Ch and $3F));
Exit;
End;
If (ch <= $10FFFF) Then Begin
Result := Chr($F0 or ((Ch shr 18) and $07)) +
Chr($80 or ((Ch shr 12) and $3F)) +
Chr($80 or ((Ch shr 6) and $3F)) +
Chr($80 or (Ch and $3F));
Exit;
End;
Result := ' ';
End;
Procedure TBBSIO.BufAddChar (Ch: Char);
Const
ConvertUTF8 : Boolean = True;
Var
S : String;
C : Byte;
Begin
{$IFDEF WINDOWS}
Term.Process(Ch);
{$ENDIF}
If ConvertUTF8 Then Begin
S := UTF8Encode(LongInt(Ch));
For C := 1 to Length(S) Do Begin
{$IFDEF UNIX}
Term.Process(S[C]);
{$ENDIF}
OutBuffer[OutBufPos] := S[C];
Inc (OutBufPos);
If OutBufPos = TBBSIOBufferSize Then BufFlush;
End;
End Else Begin
{$IFDEF UNIX}
Term.Process(Ch);
{$ENDIF}
OutBuffer[OutBufPos] := Ch;
Inc (OutBufPos);
If OutBufPos = TBBSIOBufferSize Then BufFlush;
End;
End;
{$ELSE}
Procedure TBBSIO.BufAddChar (Ch: Char); Procedure TBBSIO.BufAddChar (Ch: Char);
Begin Begin
OutBuffer[OutBufPos] := Ch; OutBuffer[OutBufPos] := Ch;
@ -177,6 +294,7 @@ Begin
Term.Process(Ch); Term.Process(Ch);
End; End;
{$ENDIF}
Procedure TBBSIO.BufAddStr (Str: String); Procedure TBBSIO.BufAddStr (Str: String);
Var Var
@ -201,6 +319,8 @@ Begin
{$ENDIF} {$ENDIF}
{$IFDEF UNIX} {$IFDEF UNIX}
// UTF8 considerations?
If Session.Pipe.Connected Then If Session.Pipe.Connected Then
Session.Pipe.SendToPipe(OutBuffer, OutBufPos); Session.Pipe.SendToPipe(OutBuffer, OutBufPos);
@ -1498,6 +1618,60 @@ Begin
Result := Ch; Result := Ch;
End; End;
Function TBBSIO.OneKeyRange (Str: String; Lo, Hi: LongInt) : Char;
Var
Ch : Char;
CurStr : String = '';
LoStr : String[10];
HiStr : String[10];
Begin
PurgeInputBuffer;
RangeValue := -1;
LoStr := strI2S(Lo);
HiStr := strI2S(Hi);
Repeat
Ch := UpCase(GetKey);
If (Pos(Ch, Str) > 0) and (CurStr = '') Then Begin
Result := Ch;
OutRawLn(Ch);
Exit;
End Else
Case Ch of
#08 : If CurStr <> '' Then Begin
Dec (CurStr[0]);
OutRaw (#08#32#08);
End;
#13 : If CurStr <> '' Then Begin
RangeValue := strS2I(CurStr);
Result := #0;
OutRawLn('');
Exit;
End;
'0'..
'9' : If (strS2I(CurStr + Ch) >= Lo) and (strS2I(CurStr + Ch) <= Hi) Then Begin
CurStr := CurStr + Ch;
If Length(CurStr) = Length(HiStr) Then Begin
OutRawLn(Ch);
RangeValue := strS2I(CurStr);
Result := #0;
Exit;
End Else
OutRaw (Ch);
End;
End;
Until False;
End;
Function TBBSIO.GetInput (Field, Max, Mode: Byte; Default: String) : String; Function TBBSIO.GetInput (Field, Max, Mode: Byte; Default: String) : String;
(* (*
{ input modes: } { input modes: }
@ -1928,7 +2102,7 @@ Begin
While Input.KeyPressed Do Input.ReadKey; While Input.KeyPressed Do Input.ReadKey;
{$ENDIF} {$ENDIF}
{$IFDEF WINDOWS} {$IFDEF WINDOWS}
If Not TBBSCore(Core).LocalMode Then TBBSCore(Core).Client.PurgeInputData(True); If Not TBBSCore(Core).LocalMode Then TBBSCore(Core).Client.PurgeInputData(100);
{$ENDIF} {$ENDIF}
End; End;