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COMP.PAS
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COMP.PAS
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{ @author: Sylvain Maltais (support@gladir.com)
@created: 2021
@website(https://www.gladir.com/pcdos-0)
@abstract(Target: Turbo Pascal 7, Free Pascal 3.2)
}
Program COMP;
Uses Crt,DOS;
Const
kbNoKey=0;{Pas de touche}
kbDn=$5000;{Fleche Bas}
kbEnter=$1C0D;{Enter}
kbEsc=$011B;{Escape}
kbShiftTab=$0F00;{Shift+Tabulation}
kbTab=$0F09;{Tabulation}
kbUp=$4800;{Fleche Haut}
Var
Language:(_Albanian,_Danish,_French,_English,_Germany,_Italian,_Spain,_Swedish);
TmpLanguage:String;
CurrDialog:Byte;
Ok:Boolean;
ShowASCII128:Boolean;
K:Word;
GUI,Finish,Diff:Boolean;
Option:Set of (_CaseIgnore);
Output:(_Hex,_Dec,_Char);
OutputStatus:(_Offset,_Line);
I:Integer;
FileName1,FileName2,FileNameResult:String;
FileComp1,FileComp2:File;
FileResult:Text;
Buffer1,Buffer2:Array[0..255]of Byte;
ByteReaded1,ByteReaded2:Integer;
CurrPos,CurrLineCount:LongInt;
{$IFNDEF FPC}
Procedure CursorOff;
Var
Regs:Registers;
Begin
Regs.AH:=1;
Regs.CH:=32;
Regs.CL:=0;
Intr($10,Regs);
End;
Procedure CursorOn;
Var
Regs:Registers;
Begin
Regs.AX:=$0100;
Regs.CX:=(7 shl 8)+9;
Intr($10,Regs);
End;
{$ENDIF}
Function StrToUpper(S:String):String;
Var
I:Byte;
Begin
For I:=1 to Length(S)do Begin
If S[I] in['a'..'z']Then S[I]:=Chr(Ord(S[I])-32);
End;
StrToUpper:=S;
End;
Function ByteHex2Str(value:Byte):String;
Const
matrix:Array[0..15]of Char = ('0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F');
Begin
ByteHex2Str:=matrix[(value shr 4) and $0F]+matrix[value and $F];
End;
Function HexWord2Str(value:Word):String;Begin
HexWord2Str:=ByteHex2Str(Hi(value))+ByteHex2Str(Lo(value));
End;
Function DuplicateString(C:Char;Num:Integer):String;
Var
I:Byte;
S:String;
Begin
S:='';
For I:=1 to Num do S:=S+C;
DuplicateString:=S;
End;
Procedure SetASCII128(X:Boolean);Begin
ShowASCII128:=X;
End;
Function GetASCII128:Boolean;Begin
GetASCII128:=ShowASCII128;
End;
Procedure Box(X1,Y1,X2,Y2,Couleur:Byte);Begin
Window(X1,Y1,X2,Y2);
TextBackground((Couleur shr 4)and 15);
{$IFDEF FPC}
If Couleur and $80=$80 Then Begin
TextColor((Couleur and 15)+BLINK);
End
Else
TextColor(Couleur and 15);
{$ELSE}
TextColor(Couleur and 15);
{$ENDIF}
ClrScr;
Window(1,1,80,25);
End;
Procedure FrameEmpty(X1,Y1,X2,Y2,Couleur:Byte);
Var
I:Byte;
ChrHori,ChrVert:Char;
Chr218,Chr192,Chr191,Chr217:Char;
Begin
TextBackground((Couleur shr 4)and 15);
{$IFDEF FPC}
If Couleur and $80=$80 Then Begin
TextColor((Couleur and 15)+BLINK);
End
Else
TextColor(Couleur and 15);
{$ELSE}
TextColor(Couleur and 15);
{$ENDIF}
If(ShowASCII128)Then Begin
ChrHori:='-';
ChrVert:='|';
Chr218:='+';
Chr192:='+';
Chr191:='+';
Chr217:='+';
End
Else
Begin
ChrHori:=#$C4;
ChrVert:=#$B3;
Chr218:=#218;
Chr192:=#192;
Chr191:=#191;
Chr217:=#217;
End;
For I:=Y1+1 to Y2-1 do Begin
GotoXY(X1,I);
Write(ChrVert);
GotoXY(X2,I);
Write(ChrVert);
End;
GotoXY(X1+1,Y1);
Write(DuplicateString(ChrHori,X2-X1-1));
GotoXY(X1+1,Y2);
Write(DuplicateString(ChrHori,X2-X1-1));
GotoXY(X1,Y1);
Write(Chr218);
GotoXY(X1,Y2);
Write(Chr192);
GotoXY(X2,Y1);
Write(Chr191);
GotoxY(X2,Y2);
Write(Chr217);
End;
Procedure DialogBox(X1,Y1,X2,Y2,Couleur:Byte);Begin
Box(X1,Y1,X2,Y2,Couleur);
FrameEmpty(X1,Y1,X2,Y2,Couleur);
TextAttr:=Couleur;
End;
Function ReadLine(Var S:String):Word;
Var
Rec:SearchRec;
K:Char;
X,Y,I:Byte;
CurrHistory:Integer;
Begin
ReadLine:=0;
X:=WhereX;
Y:=WhereY;
Repeat
GotoXY(X,Y);
Write(S);
ClrEol;
K:=ReadKey;
Case K of
#0:Case ReadKey of
#72:Begin
ReadLine:=kbUp;
Exit;
End;
#80:Begin
ReadLine:=kbDn;
Exit;
End;
End;
#8:Begin
If S<>''Then S:=Copy(S,1,Length(S)-1);
End;
#9:Begin
ReadLine:=kbTab;
Exit;
End;
#13:Begin
ReadLine:=kbEnter;
End;
#27:Begin
ReadLine:=kbEsc;
Exit;
End;
Else S:=S+K;
End;
If S[Length(S)]=#13Then Begin
S:=Copy(S,1,Length(S)-1);
K:=#13;
End;
Until K=#13;
GotoXY(X,Y);
WriteLn(S);
End;
Function ReadLineInBox(X1,Y1,X2,Y2:Byte;Var S:String):Word;Begin
Window(X1,Y1,X2,Y2);
ReadLineInBox:=ReadLine(S);
Window(1,1,80,25);
End;
Procedure SetDialogTextColor;Begin
TextBackground(CurrDialog shr 4);
TextColor(CurrDialog and$F);
End;
Procedure SetButtonColor;Begin
TextBackground(Cyan);
TextColor(0);
End;
Procedure SetSelectedButtonColor;Begin
TextBackground(Cyan);
TextColor(Yellow);
End;
Procedure ShowButton(ButtonList:String;PosButton:Byte);
Var
I,CurrPosButton:Integer;
First:Boolean;
CurrButton:String;
Begin
CurrButton:='';
First:=True;
CurrPosButton:=0;
For I:=1 to Length(ButtonList)do Begin
If ButtonList[I]='|'Then Begin
SetDialogTextColor;
If Not(First)Then Write(' ');
If(PosButton=CurrPosButton)Then SetSelectedButtonColor
Else SetButtonColor;
Write(' ',CurrButton,' ');
SetDialogTextColor;
CurrButton:='';
First:=False;
Inc(CurrPosButton);
End
Else
CurrButton:=CurrButton+ButtonList[I];
End;
SetDialogTextColor;
If Not(First)Then Write(' ');
If(PosButton=CurrPosButton)Then SetSelectedButtonColor
Else SetButtonColor;
Write(' ',CurrButton,' ');
End;
Function LengthButton(ButtonList:String):Integer;
Var
I,CurrPosButton,LenButton:Integer;
First:Boolean;
CurrButton:String;
Begin
LengthButton:=0;
LenButton:=0;
CurrButton:='';
First:=True;
CurrPosButton:=0;
For I:=1 to Length(ButtonList)do Begin
If ButtonList[I]='|'Then Begin
If Not(First)Then Inc(LenButton,Length(' '));
Inc(LenButton,Length(' '+CurrButton+' '));
CurrButton:='';
First:=False;
Inc(CurrPosButton);
End
Else
CurrButton:=CurrButton+ButtonList[I];
End;
If Not(First)Then Inc(LenButton,Length(' '));
Inc(LenButton,Length(' '+CurrButton+' '));
LengthButton:=LenButton;
End;
Function ReadHorizontalButton(ButtonList:String):Word;
Var
X,Y:Byte;
K:Char;
I,NumButton,CurrButton:Integer;
Begin
CurrDialog:=TextAttr;
CursorOff;
ReadHorizontalButton:=kbEsc;
CurrButton:=0;
NumButton:=1;
X:=WhereX;
Y:=WhereY;
For I:=1 to Length(ButtonList)do If ButtonList[I]='|'Then Inc(NumButton);
ShowButton(ButtonList,0);
Repeat
K:=ReadKey;
Case K of
#0:Case ReadKey of
#15:Begin { Shift+Tab }
If(CurrButton>0)Then Begin
Dec(CurrButton);
GotoXY(X,Y);
ShowButton(ButtonList,CurrButton);
End
Else
Begin
ReadHorizontalButton:=kbShiftTab;
Break;
End;
End;
#75:Begin { Gauche }
If(CurrButton>0)Then Dec(CurrButton)
Else CurrButton:=NumButton-1;
GotoXY(X,Y);
ShowButton(ButtonList,CurrButton);
End;
#77:Begin { Droite }
If(CurrButton+1>=NumButton)Then CurrButton:=0
Else Inc(CurrButton);
GotoXY(X,Y);
ShowButton(ButtonList,CurrButton);
End;
End;
#9:Begin
If(CurrButton+1>=NumButton)Then Begin
ReadHorizontalButton:=kbTab;
Break;
End
Else
Begin
Inc(CurrButton);
GotoXY(X,Y);
ShowButton(ButtonList,CurrButton);
End;
End;
#13:ReadHorizontalButton:=CurrButton;
#27:ReadHorizontalButton:=kbEsc;
End;
Until K in[#13,#27];
SetDialogTextColor;
CursorOn;
End;
Procedure ShowHorizontalCenterButton(Y:Byte;S:String);Begin
GotoXY((80-LengthButton(S)) shr 1,Y);
ShowButton(S,$FF);
End;
Function ReadHorizontalCenterButton(Y:Byte;S:String):Word;Begin
GotoXY((80-LengthButton(S)) shr 1,Y);
ReadHorizontalCenterButton:=ReadHorizontalButton(S);
End;
Procedure WriteCenter(Y:Byte;Phrase:String;Color:Byte);Begin
GotoXY(40-Length(Phrase) div 2,Y);
TextBackground(Color shr 4);
TextColor(Color and$F);
Write(Phrase);
End;
BEGIN
{$IFDEF FPC}
{$IFDEF WINDOWS}
SetUseACP(False);
{$ENDIF}
{$ENDIF}
Language:=_French;
TmpLanguage:=GetEnv('LANGUAGE');
If TmpLanguage<>''Then Begin
If TmpLanguage[1]='"'Then TmpLanguage:=Copy(TmpLanguage,2,255);
If StrToUpper(Copy(TmpLanguage,1,2))='EN'Then Language:=_English Else
If StrToUpper(Copy(TmpLanguage,1,2))='DK'Then Language:=_Danish Else
If StrToUpper(Copy(TmpLanguage,1,2))='GR'Then Language:=_Germany Else
If StrToUpper(Copy(TmpLanguage,1,2))='IT'Then Language:=_Italian Else
If StrToUpper(Copy(TmpLanguage,1,2))='SE'Then Language:=_Swedish Else
If StrToUpper(Copy(TmpLanguage,1,2))='SP'Then Language:=_Spain Else
If(StrToUpper(Copy(TmpLanguage,1,2))='SQ')or
(StrToUpper(Copy(TmpLanguage,1,3))='ALB')Then Language:=_Albanian;
End;
If(ParamStr(1)='/?')or(ParamStr(1)='--help')or(ParamStr(1)='-h')Then Begin
Case Language of
_English:Begin
WriteLn('COMP : This command compares the contents of two files or sets ');
WriteLn(' of files byte-by-byte.');
WriteLn;
WriteLn('Syntax : COMP file1 file2 [file3] [/A] [/C] [/D] [/L] [/M] [/GUI]');
WriteLn;
WriteLn(' file1 First file to compare');
WriteLn(' file2 Second file to compare');
WriteLn(' file3 File containing the results of the analysis');
WriteLn(' /A Displays differences as characters.');
WriteLn(' /C Performs a comparison that is not case-sensitive.');
WriteLn(' /D Displays differences in decimal format.');
WriteLn(' (The default format is hexadecimal)');
WriteLn(' /GUI Use a GUI to enter the two files to compare');
WriteLn(' /L Displays the number of the line where a difference occurs, ');
WriteLn(' instead of displaying the byte offset.');
WriteLn(' /M Do not ask for further comparisons');
WriteLn(' --version Output version information and exit');
End;
_Germany:Begin
WriteLn('COMP : Vergleicht den Inhalt von zwei Dateien oder Stzen ');
WriteLn(' von Dateien Byte fr Byte.');
WriteLn;
WriteLn('Syntax : COMP file1 file2 [file3] [/A] [/C] [/D] [/L] [/M] [/GUI]');
WriteLn;
WriteLn(' file1 Gibt den Speicherort und den Namen der ersten Datei ');
WriteLn(' oder des Dateisatzes an.');
WriteLn(' file2 Gibt den Speicherort und den Namen der zweiten Datei ');
WriteLn(' oder des Dateisatzes an.');
WriteLn(' file3 Datei mit den Ergebnissen der Analyse');
WriteLn(' /A Zeigt Unterschiede als Zeichen an. ');
WriteLn(' /C Fhrt einen Vergleich aus, bei dem die Groá-/Kleinschreibung ');
WriteLn(' nicht beachtet wird.');
WriteLn(' /D Zeigt Unterschiede im Dezimalformat an.');
WriteLn(' (Das Standardformat ist hexadezimal.)');
WriteLn(' /GUI Verwenden Sie eine GUI, um die beiden zu vergleichenden ');
WriteLn(' Dateien einzugeben');
WriteLn(' /L Affiche le numro de la ligne o une diffrence se produit ');
WriteLn(' au lieu d''afficher le dcalage d''octet.');
WriteLn(' /M Fordern Sie keine weiteren Vergleiche an');
WriteLn(' --version Versionsinformationen ausgeben und beenden');
End;
Else Begin
WriteLn('COMP : Cette commande permet de comparer deux fichiers.');
WriteLn;
WriteLn('Syntaxe : COMP fichier1 fichier2 [fichier3] [/A] [/C] [/D] [/L] [/M] [/GUI]');
WriteLn;
WriteLn(' fichier1 Premier fichier
comparer');
WriteLn(' fichier2 Deuxime fichier
comparer');
WriteLn(' fichier3 Fichier allant contenir les rsultats de l''analyse');
WriteLn(' /A Affiche la diffrence en ASCII');
WriteLn(' /C Affiche la diffrence en Caractre');
WriteLn(' /D Affiche la diffrence en dcimale');
WriteLn(' /GUI Utiliser un GUI pour entrez les deux fichiers
comparer');
WriteLn(' /L Affiche le numro de ligne plutt que le dplacement');
WriteLn(' /M Ne pas poser de question pour d''autres comparaisons');
WriteLn(' --version Demande la version de la commande');
End;
End;
End
Else
If ParamStr(1)='--version'Then Begin
WriteLn('COMP 1.0.2 - Clone Pascal de COMP, MSDOS-0, PCDOS-0, OS2-0 ou Corail');
WriteLn('Licence MIT');
WriteLn;
WriteLn('crit par Sylvain Maltais');
End
Else
If ParamCount>0Then Begin
GUI:=False;
Finish:=False;
Output:=_Hex;
OutputStatus:=_Offset;
FileName1:='';
FileName2:='';
FileNameResult:='';
For I:=1 to ParamCount do Begin
If(ParamStr(I)='/A')or(ParamStr(I)='/a')Then Output:=_Char Else
If(ParamStr(I)='/C')or(ParamStr(I)='/c')Then Include(Option,_CaseIgnore) Else
If(ParamStr(I)='/D')or(ParamStr(I)='/d')Then Output:=_Dec Else
If(StrToUpper(ParamStr(I))='/GUI')Then GUI:=True Else
If(ParamStr(I)='/L')or(ParamStr(I)='/l')Then OutputStatus:=_Line Else
If(ParamStr(I)='/M')or(ParamStr(I)='/m')Then Finish:=True Else
If FileName1=''Then FileName1:=ParamStr(I) Else
If FileName2=''Then FileName2:=ParamStr(I)
Else FileNameResult:=ParamStr(I);
End;
Repeat
If(GUI)Then Begin
Finish:=True;
CurrDialog:=$70;
DialogBox(3,6,76,17,$70);
WriteCenter(6,' Comparaison ',$70);
GotoxY(7,7);
Case Language of
_English:Write('Enter the name of the first file:');
Else Write('Entrez le nom du premier fichier :');
End;
GotoxY(7,11);
Case Language of
_English:Write('Enter the name of the second file:');
Else Write('Entrez le nom du deuxime fichier :');
End;
Ok:=False;
Box(7,13,72,13,$30);
Repeat
Case Language of
_English:ShowHorizontalCenterButton(15,'Compare|Cancel');
Else ShowHorizontalCenterButton(15,'Comparer|Annuler');
End;
Repeat
TextColor(Black);
TextBackground(LightCyan);
K:=ReadLineInBox(7,9,72,9,FileName1);
If(K=kbEsc)Then Begin
TextColor(LightGray);
TextBackground(Black);
ClrScr;
Halt(1);
End;
Until(K=kbTab)or(K=kbEnter);
Repeat
TextColor(Black);
TextBackground(LightCyan);
K:=ReadLineInBox(7,13,72,13,FileName2);
If(K=kbEsc)Then Begin
TextColor(LightGray);
TextBackground(Black);
ClrScr;
Halt(1);
End;
Until(K=kbTab)or(K=kbEnter);
TextColor(0);
TextBackground(LightGray);
Case Language of
_English:K:=ReadHorizontalCenterButton(15,'Compare|Cancel');
Else K:=ReadHorizontalCenterButton(15,'Comparer|Annuler');
End;
If(K=1)or(K=kbEsc)Then Begin
TextColor(LightGray);
TextBackground(Black);
ClrScr;
Halt(1);
Exit;
End;
If(K=0)Then OK:=True;
Until Ok;
TextColor(LightGray);
TextBackground(Black);
ClrScr;
End;
If(FileName1='')or(FileName2='')Then Begin
Case Language of
_English:WriteLn('2 file names are required!');
Else WriteLn('2 noms de fichiers sont requis !');
End;
End
Else
Begin
CurrPos:=0;
CurrLineCount:=1;
{$I-}Assign(FileComp1,FileName1);
Reset(FileComp1,1);{$I+}
If IOResult<>0 Then Begin
WriteLn('Erreur de lecture du premier fichier');
Halt(4);
End;
{$I-}Assign(FileComp2,FileName2);
Reset(FileComp2,1);{$I+}
If IOResult<>0 Then Begin
WriteLn('Erreur de lecture du deuxime fichier');
Halt(5);
End;
If FileNameResult<>''Then Begin
{$I-}Assign(FileResult,FileNameResult);
Rewrite(FileResult);{$I+}
End;
If IOResult<>0 Then Begin
WriteLn('Erreur d''criture du fichier de rsultat');
Halt(6);
End;
While Not EOF(FileComp1)do Begin
BlockRead(FileComp1,Buffer1,SizeOf(Buffer1),ByteReaded1);
BlockRead(FileComp2,Buffer2,SizeOf(Buffer2),ByteReaded2);
If ByteReaded2=0Then Begin
Case Language of
_English:WriteLn('Second shorter file!');
Else WriteLn('Deuxime fichier plus court !');
End;
Break;
End;
For I:=0 to High(Buffer1)do Begin
If(Buffer1[I]=13)Then Inc(CurrLineCount);
If _CaseIgnore in(Option)Then Begin
Diff:=(UpCase(Char(Buffer1[I]))<>UpCase(Char(Buffer2[I])));
End
Else
Begin
Diff:=(Char(Buffer1[I])<>Char(Buffer2[I]));
End;
If(Diff)Then Begin
If FileNameResult<>''Then Begin
Case OutputStatus of
_Offset:WriteLn(FileResult,'Erreur de comparaison au dplacement ',HexWord2Str(CurrPos+I));
_Line:WriteLn(FileResult,'Erreur de comparaison
la ligne ',CurrLineCount);
End;
Case Output of
_Hex:Begin
Case Language of
_English:Begin
WriteLn(FileResult,'file1 = ',ByteHex2Str(Buffer1[I]));
WriteLn(FileResult,'file2 = ',ByteHex2Str(Buffer2[I]));
End;
Else Begin
WriteLn(FileResult,'fichier1 = ',ByteHex2Str(Buffer1[I]));
WriteLn(FileResult,'fichier2 = ',ByteHex2Str(Buffer2[I]));
End;
End;
End;
_Dec:Begin
Case Language of
_English:Begin
WriteLn(FileResult,'file1 = ',Buffer1[I]);
WriteLn(FileResult,'file2 = ',Buffer2[I]);
End;
Else Begin
WriteLn(FileResult,'fichier1 = ',Buffer1[I]);
WriteLn(FileResult,'fichier2 = ',Buffer2[I]);
End;
End;
End;
_Char:Begin
Case Language of
_English:Begin
WriteLn(FileResult,'file1 = ',Char(Buffer1[I]));
WriteLn(FileResult,'file2 = ',Char(Buffer2[I]));
End;
Else Begin
WriteLn(FileResult,'fichier1 = ',Char(Buffer1[I]));
WriteLn(FileResult,'fichier2 = ',Char(Buffer2[I]));
End;
End;
End;
End;
End
Else
Begin
Case OutputStatus of
_Offset:WriteLn('Erreur de comparaison au dplacement ',HexWord2Str(CurrPos+I));
_Line:WriteLn('Erreur de comparaison
la ligne ',CurrLineCount);
End;
Case Output of
_Hex:Begin
Case Language of
_English:Begin
WriteLn('file1 = ',ByteHex2Str(Buffer1[I]));
WriteLn('file2 = ',ByteHex2Str(Buffer2[I]));
End;
Else Begin
WriteLn('fichier1 = ',ByteHex2Str(Buffer1[I]));
WriteLn('fichier2 = ',ByteHex2Str(Buffer2[I]));
End;
End;
End;
_Dec:Begin
Case Language of
_English:Begin
WriteLn('file1 = ',Buffer1[I]);
WriteLn('file2 = ',Buffer2[I]);
End;
Else Begin
WriteLn('fichier1 = ',Buffer1[I]);
WriteLn('fichier2 = ',Buffer2[I]);
End;
End;
End;
_Char:Begin
Case Language of
_English:Begin
WriteLn('file1 = ',Char(Buffer1[I]));
WriteLn('file2 = ',Char(Buffer2[I]));
End;
Else Begin
WriteLn('fichier1 = ',Char(Buffer1[I]));
WriteLn('fichier2 = ',Char(Buffer2[I]));
End;
End;
End;
End;
End;
End;
End;
Inc(CurrPos,ByteReaded1);
End;
If FileNameResult<>''Then Close(FileResult);
Close(FileComp1);
Close(FileComp2);
End;
If Not(Finish)Then Begin
Case Language of
_English:Write('Compare more files (Y/N) ? ');
_Germany:Write('Weitere Dateien vergleichen (J/N)?');
Else Write('Comparer d''autres fichiers (O/N) ? ');
End;
Case ReadKey of
'O','o','Y','y','J','j','S','s':Begin
Case Language of
_English:Begin
WriteLn('Yes');
Write('Name of the first file to compare: ');
End;
Else Begin
WriteLn('Oui');
Write('Nom du premier fichier a comparer : ');
End;
End;
ReadLn(FileName1);
Case Language of
_English:Write('Name of the second file to compare:');
Else Write('Nom du deuxime fichier a comparer : ');
End;
ReadLn(FileName2);
End;
Else Begin
Case Language of
_English:WriteLn('No');
_Germany:WriteLn('Nein');
Else WriteLn('Non');
End;
Finish:=True;
End;
End;
End;
Until Finish;
End
Else
Begin
Case Language of
_English:WriteLn('Missing parameter!');
Else WriteLn('Paramtre requis !');
End;
Halt(2);
End;
END.