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+ Fix for Insert and Delete functions

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This commit is contained in:
michael 1998-11-16 11:11:47 +00:00
parent dbbdb79dfe
commit 0b1f401935
1 changed files with 17 additions and 11 deletions
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28
rtl/inc/astrings.pp
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@ -649,26 +649,28 @@ end;
Procedure Delete (Var S : AnsiString; Index,Size: Longint); Procedure Delete (Var S : AnsiString; Index,Size: Longint);
Var LS : Longint;
begin begin
Writeln (Index,' ',Size);
if index<=0 then if index<=0 then
begin begin
Size:=Size+index-1; Size:=Size+index-1;
index:=1; index:=1;
end; end;
if (Index<=length(s)) and (Size>0) then LS:=PAnsiRec(Pointer(S)-FirstOff)^.Len;
if (Index<=LS) and (Size>0) then
begin begin
UniqueAnsiString (S); UniqueAnsiString (S);
if Size+Index>Length(S) then if Size+Index>LS then
Size:=Length(s)-Index+1; Size:=LS-Index+1;
Setlength(s,Length(s)-Size); if Index+Size<=LS then
if Index<=Length(s) then begin
Dec(Index);
Move(PByte(Pointer(S))[Index+Size], Move(PByte(Pointer(S))[Index+Size],
PByte(Pointer(s))[Index],Length(s)-Index+2) PByte(Pointer(S))[Index],LS-Index+1);
else end;
Pbyte(Pointer(S)+Length(S))^:=0; Setlength(s,LS-Size);
end; end;
Writeln ('Delete : Returning ',S);
end; end;
Procedure Insert (Const Source : AnsiString; Var S : AnsiString; Index : Longint); Procedure Insert (Const Source : AnsiString; Var S : AnsiString; Index : Longint);
@ -683,6 +685,7 @@ begin
if index > LS then index := LS+1; if index > LS then index := LS+1;
Dec(Index); Dec(Index);
Pointer(Temp) := NewAnsiString(Length(Source)+LS); Pointer(Temp) := NewAnsiString(Length(Source)+LS);
SetLength(Temp,Length(Source)+LS);
If Index>0 then If Index>0 then
move (Pointer(S)^,Pointer(Temp)^,Index); move (Pointer(S)^,Pointer(Temp)^,Index);
Move (Pointer(Source)^,PByte(Temp)[Index],Length(Source)); Move (Pointer(Source)^,PByte(Temp)[Index],Length(Source));
@ -694,7 +697,10 @@ end;
{ {
$Log$ $Log$
Revision 1.31 1998-11-13 14:37:11 michael Revision 1.32 1998-11-16 11:11:47 michael
+ Fix for Insert and Delete functions
Revision 1.31 1998/11/13 14:37:11 michael
+ Insert procedure corrected + Insert procedure corrected
Revision 1.30 1998/11/05 14:20:36 peter Revision 1.30 1998/11/05 14:20:36 peter