Mega Code Archive
Bin to ascii unit
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unit Binasc;
interface
uses
SysUtils, WinTypes, WinProcs, Messages, Classes, Graphics, Controls,
Forms, Dialogs;
type
TBinAsc = class(TComponent)
private
{ Private declarations }
protected
{ Protected declarations }
public
{ Public declarations }
published
{ Published declarations }
procedure BinToAsc(fnSource, fnDest: String);
procedure AscToBin(fnSource, fnDest: String);
end;
procedure Register;
implementation
procedure TBinAsc.BinToAsc(fnSource, fnDest: String);
var
Src, Dst: File;
OneChar: Char;
S: String;
Hex: Array[0..1] of Char;
NumRead, NumWritten: Integer;
begin
AssignFile(Src, fnSource);
ReSet(Src, 1);
AssignFile(Dst, fnDest);
ReWrite(Dst, 1);
repeat
BlockRead(Src, OneChar, SizeOf(OneChar), NumRead);
S:=IntToHex(Integer(OneChar), 2);
StrPCopy(Hex, S);
BlockWrite(Dst, Hex, SizeOf(Hex), NumWritten);
until (NumRead = 0);
System.CloseFile(Dst);
System.CloseFile(Src);
end;
procedure TBinAsc.AscToBin(fnSource, fnDest: String);
var
Src, Dst: File;
OneChar: Char;
S: String;
I: Integer;
Hex: Array[0..1] of Char;
NumRead, NumWritten: Integer;
begin
AssignFile(Src, fnSource);
ReSet(Src, 1);
AssignFile(Dst, fnDest);
ReWrite(Dst, 1);
repeat
BlockRead(Src, Hex, SizeOf(Hex), NumRead);
OneChar:=Chr(StrToInt('$'+Copy(StrPas(Hex), 1, 2)));
BlockWrite(Dst, OneChar, SizeOf(OneChar), NumWritten);
until (NumRead = 0);
System.CloseFile(Dst);
System.CloseFile(Src);
end;
procedure Register;
begin
RegisterComponents('Samples', [TBinAsc]);
end;
end.
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