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| type
TSorterStringList = class(TStringList)
private
FOrdored: Boolean;
procedure SetOrdored(const Value: Boolean);
public
function AddObject(const S: string; AObject: TObject): Integer; override;
property Ordored: Boolean read FOrdored write SetOrdored;
end;
{ TSorterStringList }
function TSorterStringList.AddObject(const S: string; AObject: TObject): Integer;
begin
if Ordored then
begin
if Find(S, Result) then
begin
Objects[Result] := Pointer(Cardinal(Objects[Result]) + 1);
end else
InsertItem(Result, S, Pointer(1));
end else
Result := inherited AddObject(S, AObject);
end;
procedure TSorterStringList.SetOrdored(const Value: Boolean);
begin
FOrdored := Value;
if FOrdored then
begin
Sorted := True;
Duplicates := dupAccept;
end;
end;
procedure GetFrequencyWordV2(Source, Frequencies: TStrings);
var
Orderer: TSorterStringList;
I, K: Integer;
S: string;
begin
if Assigned(Source) and Assigned(Frequencies) then
begin
if Source.Count > 1 then
begin
Orderer := TSorterStringList.Create();
try
Orderer.Capacity := Source.Capacity;
Orderer.Ordored := True;
Orderer.AddStrings(Source);
Frequencies.BeginUpdate();
Frequencies.Clear();
Frequencies.Capacity := Orderer.Capacity;
for I := 0 to Orderer.Count - 1 do
if Cardinal(Orderer.Objects[I]) > 0 then
Frequencies.Add(Format('%s : %d', [Orderer.Strings[I], Cardinal(Orderer.Objects[I])]));
Frequencies.EndUpdate();
finally
Orderer.Free();
end;
end else
begin
if Source.Count > 0 then
begin
Frequencies.Clear();
Frequencies.Add(Format('%s : 1', [Source.Strings[0]]));
end;
end;
end;
end; |
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