求UUENCODE解码函数!(100分)

源代码,不要控件

function TSwitchUtility.UUCODEEncode(BufIn: TStream; BufOut: TStrings): Boolean;
var
strTmp: string;
begin
Result := UUCodeEncode(BufIn,strTmp);
if Result then
BufOut.Text := strTmp;
end;

function TSwitchUtility.UUCODEEncode(BufIn: TStream; var BufOut: string) : boolean;
const
CharsPerLine = 60;
BytesPerHunk = 3;
SixBitMask = $3F;
OffSet = 32;
var
nLineLength, nNumBytes, nBytesInLine: Integer;
Line: array[0..59] of Char;
Hunk: array[0..2] of Byte;
Chars: array[0..3] of Byte;

procedure FlushLine;
var
I: Integer;
procedure WriteOut(Ch: Char);
begin
if Ch = ' ' then
BufOUt := BufOut + '`'
else
BufOut := BufOut + ch;
end;
begin
WriteOut(Char(nBytesInLine + Offset));
for I := 0 to nLineLength - 1 do
WriteOut(Line);
WriteOut(#13);
WriteOut(#10);
nLineLength := 0;
nBytesInLine := 0;
end;

procedure FlushHunk;
var
I: Integer;
begin
if nLineLength = CharsPerLine then
FlushLine;
Chars[0] := Byte(Hunk[0] shr 2);
Chars[1] := Byte((Hunk[0] shl 4) + (Hunk[1] shr 4));
Chars[2] := Byte((Hunk[1] shl 2) + (Hunk[2] shr 6));
Chars[3] := Byte(Hunk[2] and SixBitMask);
ZeroMemory(@Hunk,3);
for I := 0 to 3 do
begin
Line[nLineLength] := Char((Chars and SixBitMask) + Offset);
Inc(nLineLength);
end;
Inc(nBytesInLine, nNumBytes);
nNumBytes := 0
end;
begin
Result := True;
nLineLength := 0;
nNumBytes := 0;
nBytesInLine := 0;
try
FDoProcessStart(BufIn.Size);
BufIn.Seek(0,soFromBeginning);
while BufIn.Position < BufIn.Size do
begin
Application.ProcessMessages;
if FProcessCanceled then break;
FDoProcess(BufIn.Position);
if nNumBytes = BytesPerHunk then
FlushHunk;
BufIn.Read(Hunk[nNumBytes],1);
Inc(nNumbytes);
end;
if nNumBytes > 0 then FlushHunk;
FlushLine;
if nLineLength > 0 then FlushLine;
FDoProcess(BufIn.Position);
except
Result := False;
end;
FDoProcessFinish;
end;

function UUCodeDecode(const source string):string;
这种形式的有嘛？

是不是像这样的效果？？？？

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帮你UP！