diff options
Diffstat (limited to 'src/lib/TntUnicodeControls/TntWideStrings.pas')
| -rw-r--r-- | src/lib/TntUnicodeControls/TntWideStrings.pas | 846 |
1 files changed, 846 insertions, 0 deletions
diff --git a/src/lib/TntUnicodeControls/TntWideStrings.pas b/src/lib/TntUnicodeControls/TntWideStrings.pas new file mode 100644 index 00000000..75132d22 --- /dev/null +++ b/src/lib/TntUnicodeControls/TntWideStrings.pas @@ -0,0 +1,846 @@ + +{*****************************************************************************} +{ } +{ Tnt Delphi Unicode Controls } +{ http://www.tntware.com/delphicontrols/unicode/ } +{ Version: 2.3.0 } +{ } +{ Copyright (c) 2002-2007, Troy Wolbrink (troy.wolbrink@tntware.com) } +{ } +{*****************************************************************************} + +unit TntWideStrings; + +{$IFDEF FPC} + {$MODE Delphi} +{$ENDIF} + +{$INCLUDE TntCompilers.inc} + +interface + +{$IFDEF COMPILER_10_UP} + {$MESSAGE FATAL 'Do not refer to TntWideStrings.pas. It works correctly in Delphi 2006.'} +{$ENDIF} + +uses + Classes; + +{******************************************************************************} +{ } +{ Delphi 2005 introduced TWideStrings in WideStrings.pas. } +{ Unfortunately, it was not ready for prime time. } +{ Setting CommaText is not consistent, and it relies on CharNextW } +{ Which is only available on Windows NT+. } +{ } +{******************************************************************************} + +type + TWideStrings = class; + +{ IWideStringsAdapter interface } +{ Maintains link between TWideStrings and IWideStrings implementations } + + IWideStringsAdapter = interface + ['{25FE0E3B-66CB-48AA-B23B-BCFA67E8F5DA}'] + procedure ReferenceStrings(S: TWideStrings); + procedure ReleaseStrings; + end; + + TWideStringsEnumerator = class + private + FIndex: Integer; + FStrings: TWideStrings; + public + constructor Create(AStrings: TWideStrings); + function GetCurrent: WideString; + function MoveNext: Boolean; + property Current: WideString read GetCurrent; + end; + +{$IFDEF FPC} + TStringsDefined = set of ( + sdDelimiter, sdQuoteChar, sdNameValueSeparator, sdLineBreak, + sdStrictDelimiter); +{$ENDIF} + +{$DEFINE NAMEVALUESEPARATOR_RW} +{$IFNDEF COMPILER_7_UP} + {$UNDEF NAMEVALUESEPARATOR_RW} +{$ENDIF} + +{ TWideStrings class } + + TWideStrings = class(TPersistent) + private + FDefined: TStringsDefined; + FDelimiter: WideChar; + FQuoteChar: WideChar; + {$IFDEF NAMEVALUESEPARATOR_RW} + FNameValueSeparator: WideChar; + {$ENDIF} + FUpdateCount: Integer; + FAdapter: IWideStringsAdapter; + function GetCommaText: WideString; + function GetDelimitedText: WideString; + function GetName(Index: Integer): WideString; + function GetValue(const Name: WideString): WideString; + procedure ReadData(Reader: TReader); + procedure SetCommaText(const Value: WideString); + procedure SetDelimitedText(const Value: WideString); + procedure SetStringsAdapter(const Value: IWideStringsAdapter); + procedure SetValue(const Name, Value: WideString); + procedure WriteData(Writer: TWriter); + function GetDelimiter: WideChar; + procedure SetDelimiter(const Value: WideChar); + function GetQuoteChar: WideChar; + procedure SetQuoteChar(const Value: WideChar); + function GetNameValueSeparator: WideChar; + {$IFDEF NAMEVALUESEPARATOR_RW} + procedure SetNameValueSeparator(const Value: WideChar); + {$ENDIF} + function GetValueFromIndex(Index: Integer): WideString; + procedure SetValueFromIndex(Index: Integer; const Value: WideString); + protected + procedure AssignTo(Dest: TPersistent); override; + procedure DefineProperties(Filer: TFiler); override; + procedure Error(const Msg: WideString; Data: Integer); overload; + procedure Error(Msg: PResStringRec; Data: Integer); overload; + function ExtractName(const S: WideString): WideString; + function Get(Index: Integer): WideString; virtual; abstract; + function GetCapacity: Integer; virtual; + function GetCount: Integer; virtual; abstract; + function GetObject(Index: Integer): TObject; virtual; + function GetTextStr: WideString; virtual; + procedure Put(Index: Integer; const S: WideString); virtual; + procedure PutObject(Index: Integer; AObject: TObject); virtual; + procedure SetCapacity(NewCapacity: Integer); virtual; + procedure SetTextStr(const Value: WideString); virtual; + procedure SetUpdateState(Updating: Boolean); virtual; + property UpdateCount: Integer read FUpdateCount; + function CompareStrings(const S1, S2: WideString): Integer; virtual; + public + destructor Destroy; override; + function Add(const S: WideString): Integer; virtual; + function AddObject(const S: WideString; AObject: TObject): Integer; virtual; + procedure Append(const S: WideString); + procedure AddStrings(Strings: TStrings{TNT-ALLOW TStrings}); overload; virtual; + procedure AddStrings(Strings: TWideStrings); overload; virtual; + procedure Assign(Source: TPersistent); override; + procedure BeginUpdate; + procedure Clear; virtual; abstract; + procedure Delete(Index: Integer); virtual; abstract; + procedure EndUpdate; + function Equals(Strings: TWideStrings): Boolean; + procedure Exchange(Index1, Index2: Integer); virtual; + function GetEnumerator: TWideStringsEnumerator; + function GetTextW: PWideChar; virtual; + function IndexOf(const S: WideString): Integer; virtual; + function IndexOfName(const Name: WideString): Integer; virtual; + function IndexOfObject(AObject: TObject): Integer; virtual; + procedure Insert(Index: Integer; const S: WideString); virtual; abstract; + procedure InsertObject(Index: Integer; const S: WideString; + AObject: TObject); virtual; + procedure LoadFromFile(const FileName: WideString); virtual; + procedure LoadFromStream(Stream: TStream); virtual; + procedure Move(CurIndex, NewIndex: Integer); virtual; + procedure SaveToFile(const FileName: WideString); virtual; + procedure SaveToStream(Stream: TStream); virtual; + procedure SetTextW(const Text: PWideChar); virtual; + property Capacity: Integer read GetCapacity write SetCapacity; + property CommaText: WideString read GetCommaText write SetCommaText; + property Count: Integer read GetCount; + property Delimiter: WideChar read GetDelimiter write SetDelimiter; + property DelimitedText: WideString read GetDelimitedText write SetDelimitedText; + property Names[Index: Integer]: WideString read GetName; + property Objects[Index: Integer]: TObject read GetObject write PutObject; + property QuoteChar: WideChar read GetQuoteChar write SetQuoteChar; + property Values[const Name: WideString]: WideString read GetValue write SetValue; + property ValueFromIndex[Index: Integer]: WideString read GetValueFromIndex write SetValueFromIndex; + property NameValueSeparator: WideChar read GetNameValueSeparator {$IFDEF NAMEVALUESEPARATOR_RW} write SetNameValueSeparator {$ENDIF}; + property Strings[Index: Integer]: WideString read Get write Put; default; + property Text: WideString read GetTextStr write SetTextStr; + property StringsAdapter: IWideStringsAdapter read FAdapter write SetStringsAdapter; + end; + + PWideStringItem = ^TWideStringItem; + TWideStringItem = record + FString: WideString; + FObject: TObject; + end; + + PWideStringItemList = ^TWideStringItemList; + TWideStringItemList = array[0..MaxListSize] of TWideStringItem; + +implementation + +uses + Windows, SysUtils, TntSystem, {$IFDEF COMPILER_9_UP} WideStrUtils, {$ELSE} TntWideStrUtils, {$ENDIF} + TntSysUtils, TntClasses; + +{ TWideStringsEnumerator } + +constructor TWideStringsEnumerator.Create(AStrings: TWideStrings); +begin + inherited Create; + FIndex := -1; + FStrings := AStrings; +end; + +function TWideStringsEnumerator.GetCurrent: WideString; +begin + Result := FStrings[FIndex]; +end; + +function TWideStringsEnumerator.MoveNext: Boolean; +begin + Result := FIndex < FStrings.Count - 1; + if Result then + Inc(FIndex); +end; + +{ TWideStrings } + +destructor TWideStrings.Destroy; +begin + StringsAdapter := nil; + inherited; +end; + +function TWideStrings.Add(const S: WideString): Integer; +begin + Result := GetCount; + Insert(Result, S); +end; + +function TWideStrings.AddObject(const S: WideString; AObject: TObject): Integer; +begin + Result := Add(S); + PutObject(Result, AObject); +end; + +procedure TWideStrings.Append(const S: WideString); +begin + Add(S); +end; + +procedure TWideStrings.AddStrings(Strings: TStrings{TNT-ALLOW TStrings}); +var + I: Integer; +begin + BeginUpdate; + try + for I := 0 to Strings.Count - 1 do + AddObject(Strings[I], Strings.Objects[I]); + finally + EndUpdate; + end; +end; + +procedure TWideStrings.AddStrings(Strings: TWideStrings); +var + I: Integer; +begin + BeginUpdate; + try + for I := 0 to Strings.Count - 1 do + AddObject(Strings[I], Strings.Objects[I]); + finally + EndUpdate; + end; +end; + +procedure TWideStrings.Assign(Source: TPersistent); +begin + if Source is TWideStrings then + begin + BeginUpdate; + try + Clear; + FDefined := TWideStrings(Source).FDefined; + {$IFDEF NAMEVALUESEPARATOR_RW} + FNameValueSeparator := TWideStrings(Source).FNameValueSeparator; + {$ENDIF} + FQuoteChar := TWideStrings(Source).FQuoteChar; + FDelimiter := TWideStrings(Source).FDelimiter; + AddStrings(TWideStrings(Source)); + finally + EndUpdate; + end; + end + else if Source is TStrings{TNT-ALLOW TStrings} then + begin + BeginUpdate; + try + Clear; + {$IFDEF NAMEVALUESEPARATOR_RW} + FNameValueSeparator := WideChar(TStrings{TNT-ALLOW TStrings}(Source).NameValueSeparator); + {$ENDIF} + FQuoteChar := WideChar(TStrings{TNT-ALLOW TStrings}(Source).QuoteChar); + FDelimiter := WideChar(TStrings{TNT-ALLOW TStrings}(Source).Delimiter); + AddStrings(TStrings{TNT-ALLOW TStrings}(Source)); + finally + EndUpdate; + end; + end + else + inherited Assign(Source); +end; + +procedure TWideStrings.AssignTo(Dest: TPersistent); +var + I: Integer; +begin + if Dest is TWideStrings then Dest.Assign(Self) + else if Dest is TStrings{TNT-ALLOW TStrings} then + begin + TStrings{TNT-ALLOW TStrings}(Dest).BeginUpdate; + try + TStrings{TNT-ALLOW TStrings}(Dest).Clear; + {$IFDEF NAMEVALUESEPARATOR_RW} + TStrings{TNT-ALLOW TStrings}(Dest).NameValueSeparator := AnsiChar(NameValueSeparator); + {$ENDIF} + TStrings{TNT-ALLOW TStrings}(Dest).QuoteChar := AnsiChar(QuoteChar); + TStrings{TNT-ALLOW TStrings}(Dest).Delimiter := AnsiChar(Delimiter); + for I := 0 to Count - 1 do + TStrings{TNT-ALLOW TStrings}(Dest).AddObject(Strings[I], Objects[I]); + finally + TStrings{TNT-ALLOW TStrings}(Dest).EndUpdate; + end; + end + else + inherited AssignTo(Dest); +end; + +procedure TWideStrings.BeginUpdate; +begin + if FUpdateCount = 0 then SetUpdateState(True); + Inc(FUpdateCount); +end; + +procedure TWideStrings.DefineProperties(Filer: TFiler); + + function DoWrite: Boolean; + begin + if Filer.Ancestor <> nil then + begin + Result := True; + if Filer.Ancestor is TWideStrings then + Result := not Equals(TWideStrings(Filer.Ancestor)) + end + else Result := Count > 0; + end; + +begin + Filer.DefineProperty('Strings', ReadData, WriteData, DoWrite); +end; + +procedure TWideStrings.EndUpdate; +begin + Dec(FUpdateCount); + if FUpdateCount = 0 then SetUpdateState(False); +end; + +function TWideStrings.Equals(Strings: TWideStrings): Boolean; +var + I, Count: Integer; +begin + Result := False; + Count := GetCount; + if Count <> Strings.GetCount then Exit; + for I := 0 to Count - 1 do if Get(I) <> Strings.Get(I) then Exit; + Result := True; +end; + +procedure TWideStrings.Error(const Msg: WideString; Data: Integer); + + function ReturnAddr: Pointer; + asm + MOV EAX,[EBP+4] + end; + +begin + raise EStringListError.CreateFmt(Msg, [Data]) at ReturnAddr; +end; + +procedure TWideStrings.Error(Msg: PResStringRec; Data: Integer); +begin + Error(WideLoadResString(Msg), Data); +end; + +procedure TWideStrings.Exchange(Index1, Index2: Integer); +var + TempObject: TObject; + TempString: WideString; +begin + BeginUpdate; + try + TempString := Strings[Index1]; + TempObject := Objects[Index1]; + Strings[Index1] := Strings[Index2]; + Objects[Index1] := Objects[Index2]; + Strings[Index2] := TempString; + Objects[Index2] := TempObject; + finally + EndUpdate; + end; +end; + +function TWideStrings.ExtractName(const S: WideString): WideString; +var + P: Integer; +begin + Result := S; + P := Pos(NameValueSeparator, Result); + if P <> 0 then + SetLength(Result, P-1) else + SetLength(Result, 0); +end; + +function TWideStrings.GetCapacity: Integer; +begin // descendents may optionally override/replace this default implementation + Result := Count; +end; + +function TWideStrings.GetCommaText: WideString; +var + LOldDefined: TStringsDefined; + LOldDelimiter: WideChar; + LOldQuoteChar: WideChar; +begin + LOldDefined := FDefined; + LOldDelimiter := FDelimiter; + LOldQuoteChar := FQuoteChar; + Delimiter := ','; + QuoteChar := '"'; + try + Result := GetDelimitedText; + finally + FDelimiter := LOldDelimiter; + FQuoteChar := LOldQuoteChar; + FDefined := LOldDefined; + end; +end; + +function TWideStrings.GetDelimitedText: WideString; +var + S: WideString; + P: PWideChar; + I, Count: Integer; +begin + Count := GetCount; + if (Count = 1) and (Get(0) = '') then + Result := WideString(QuoteChar) + QuoteChar + else + begin + Result := ''; + for I := 0 to Count - 1 do + begin + S := Get(I); + P := PWideChar(S); + while not ((P^ in [WideChar(#0)..WideChar(' ')]) or (P^ = QuoteChar) or (P^ = Delimiter)) do + Inc(P); + if (P^ <> #0) then S := WideQuotedStr(S, QuoteChar); + Result := Result + S + Delimiter; + end; + System.Delete(Result, Length(Result), 1); + end; +end; + +function TWideStrings.GetName(Index: Integer): WideString; +begin + Result := ExtractName(Get(Index)); +end; + +function TWideStrings.GetObject(Index: Integer): TObject; +begin + Result := nil; +end; + +function TWideStrings.GetEnumerator: TWideStringsEnumerator; +begin + Result := TWideStringsEnumerator.Create(Self); +end; + +function TWideStrings.GetTextW: PWideChar; +begin + Result := WStrNew(PWideChar(GetTextStr)); +end; + +function TWideStrings.GetTextStr: WideString; +var + I, L, Size, Count: Integer; + P: PWideChar; + S, LB: WideString; +begin + Count := GetCount; + Size := 0; + LB := sLineBreak; + for I := 0 to Count - 1 do Inc(Size, Length(Get(I)) + Length(LB)); + SetString(Result, nil, Size); + P := Pointer(Result); + for I := 0 to Count - 1 do + begin + S := Get(I); + L := Length(S); + if L <> 0 then + begin + System.Move(Pointer(S)^, P^, L * SizeOf(WideChar)); + Inc(P, L); + end; + L := Length(LB); + if L <> 0 then + begin + System.Move(Pointer(LB)^, P^, L * SizeOf(WideChar)); + Inc(P, L); + end; + end; +end; + +function TWideStrings.GetValue(const Name: WideString): WideString; +var + I: Integer; +begin + I := IndexOfName(Name); + if I >= 0 then + Result := Copy(Get(I), Length(Name) + 2, MaxInt) else + Result := ''; +end; + +function TWideStrings.IndexOf(const S: WideString): Integer; +begin + for Result := 0 to GetCount - 1 do + if CompareStrings(Get(Result), S) = 0 then Exit; + Result := -1; +end; + +function TWideStrings.IndexOfName(const Name: WideString): Integer; +var + P: Integer; + S: WideString; +begin + for Result := 0 to GetCount - 1 do + begin + S := Get(Result); + P := Pos(NameValueSeparator, S); + if (P <> 0) and (CompareStrings(Copy(S, 1, P - 1), Name) = 0) then Exit; + end; + Result := -1; +end; + +function TWideStrings.IndexOfObject(AObject: TObject): Integer; +begin + for Result := 0 to GetCount - 1 do + if GetObject(Result) = AObject then Exit; + Result := -1; +end; + +procedure TWideStrings.InsertObject(Index: Integer; const S: WideString; + AObject: TObject); +begin + Insert(Index, S); + PutObject(Index, AObject); +end; + +procedure TWideStrings.LoadFromFile(const FileName: WideString); +var + Stream: TStream; +begin + Stream := TTntFileStream.Create(FileName, fmOpenRead or fmShareDenyWrite); + try + LoadFromStream(Stream); + finally + Stream.Free; + end; +end; + +procedure TWideStrings.LoadFromStream(Stream: TStream); +var + Size: Integer; + S: WideString; +begin + BeginUpdate; + try + Size := Stream.Size - Stream.Position; + SetString(S, nil, Size div SizeOf(WideChar)); + Stream.Read(Pointer(S)^, Length(S) * SizeOf(WideChar)); + SetTextStr(S); + finally + EndUpdate; + end; +end; + +procedure TWideStrings.Move(CurIndex, NewIndex: Integer); +var + TempObject: TObject; + TempString: WideString; +begin + if CurIndex <> NewIndex then + begin + BeginUpdate; + try + TempString := Get(CurIndex); + TempObject := GetObject(CurIndex); + Delete(CurIndex); + InsertObject(NewIndex, TempString, TempObject); + finally + EndUpdate; + end; + end; +end; + +procedure TWideStrings.Put(Index: Integer; const S: WideString); +var + TempObject: TObject; +begin + TempObject := GetObject(Index); + Delete(Index); + InsertObject(Index, S, TempObject); +end; + +procedure TWideStrings.PutObject(Index: Integer; AObject: TObject); +begin +end; + +procedure TWideStrings.ReadData(Reader: TReader); +begin + if Reader.NextValue in [vaString, vaLString] then + SetTextStr(Reader.ReadString) {JCL compatiblity} + else if Reader.NextValue = vaWString then + SetTextStr(Reader.ReadWideString) {JCL compatiblity} + else begin + BeginUpdate; + try + Clear; + Reader.ReadListBegin; + while not Reader.EndOfList do + if Reader.NextValue in [vaString, vaLString] then + Add(Reader.ReadString) {TStrings compatiblity} + else + Add(Reader.ReadWideString); + Reader.ReadListEnd; + finally + EndUpdate; + end; + end; +end; + +procedure TWideStrings.SaveToFile(const FileName: WideString); +var + Stream: TStream; +begin + Stream := TTntFileStream.Create(FileName, fmCreate); + try + SaveToStream(Stream); + finally + Stream.Free; + end; +end; + +procedure TWideStrings.SaveToStream(Stream: TStream); +var + SW: WideString; +begin + SW := GetTextStr; + Stream.WriteBuffer(PWideChar(SW)^, Length(SW) * SizeOf(WideChar)); +end; + +procedure TWideStrings.SetCapacity(NewCapacity: Integer); +begin + // do nothing - descendents may optionally implement this method +end; + +procedure TWideStrings.SetCommaText(const Value: WideString); +begin + Delimiter := ','; + QuoteChar := '"'; + SetDelimitedText(Value); +end; + +procedure TWideStrings.SetStringsAdapter(const Value: IWideStringsAdapter); +begin + if FAdapter <> nil then FAdapter.ReleaseStrings; + FAdapter := Value; + if FAdapter <> nil then FAdapter.ReferenceStrings(Self); +end; + +procedure TWideStrings.SetTextW(const Text: PWideChar); +begin + SetTextStr(Text); +end; + +procedure TWideStrings.SetTextStr(const Value: WideString); +var + P, Start: PWideChar; + S: WideString; +begin + BeginUpdate; + try + Clear; + P := Pointer(Value); + if P <> nil then + while P^ <> #0 do + begin + Start := P; + while not (P^ in [WideChar(#0), WideChar(#10), WideChar(#13)]) and (P^ <> WideLineSeparator) do + Inc(P); + SetString(S, Start, P - Start); + Add(S); + if P^ = #13 then Inc(P); + if P^ = #10 then Inc(P); + if P^ = WideLineSeparator then Inc(P); + end; + finally + EndUpdate; + end; +end; + +procedure TWideStrings.SetUpdateState(Updating: Boolean); +begin +end; + +procedure TWideStrings.SetValue(const Name, Value: WideString); +var + I: Integer; +begin + I := IndexOfName(Name); + if Value <> '' then + begin + if I < 0 then I := Add(''); + Put(I, Name + NameValueSeparator + Value); + end else + begin + if I >= 0 then Delete(I); + end; +end; + +procedure TWideStrings.WriteData(Writer: TWriter); +var + I: Integer; +begin + Writer.WriteListBegin; + for I := 0 to Count-1 do begin + Writer.WriteWideString(Get(I)); + end; + Writer.WriteListEnd; +end; + +procedure TWideStrings.SetDelimitedText(const Value: WideString); +var + P, P1: PWideChar; + S: WideString; +begin + BeginUpdate; + try + Clear; + P := PWideChar(Value); + while P^ in [WideChar(#1)..WideChar(' ')] do + Inc(P); + while P^ <> #0 do + begin + if P^ = QuoteChar then + S := WideExtractQuotedStr(P, QuoteChar) + else + begin + P1 := P; + while (P^ > ' ') and (P^ <> Delimiter) do + Inc(P); + SetString(S, P1, P - P1); + end; + Add(S); + while P^ in [WideChar(#1)..WideChar(' ')] do + Inc(P); + if P^ = Delimiter then + begin + P1 := P; + Inc(P1); + if P1^ = #0 then + Add(''); + repeat + Inc(P); + until not (P^ in [WideChar(#1)..WideChar(' ')]); + end; + end; + finally + EndUpdate; + end; +end; + +function TWideStrings.GetDelimiter: WideChar; +begin + if not (sdDelimiter in FDefined) then + Delimiter := ','; + Result := FDelimiter; +end; + +function TWideStrings.GetQuoteChar: WideChar; +begin + if not (sdQuoteChar in FDefined) then + QuoteChar := '"'; + Result := FQuoteChar; +end; + +procedure TWideStrings.SetDelimiter(const Value: WideChar); +begin + if (FDelimiter <> Value) or not (sdDelimiter in FDefined) then + begin + Include(FDefined, sdDelimiter); + FDelimiter := Value; + end +end; + +procedure TWideStrings.SetQuoteChar(const Value: WideChar); +begin + if (FQuoteChar <> Value) or not (sdQuoteChar in FDefined) then + begin + Include(FDefined, sdQuoteChar); + FQuoteChar := Value; + end +end; + +function TWideStrings.CompareStrings(const S1, S2: WideString): Integer; +begin + Result := WideCompareText(S1, S2); +end; + +function TWideStrings.GetNameValueSeparator: WideChar; +begin + {$IFDEF NAMEVALUESEPARATOR_RW} + if not (sdNameValueSeparator in FDefined) then + NameValueSeparator := '='; + Result := FNameValueSeparator; + {$ELSE} + Result := '='; + {$ENDIF} +end; + +{$IFDEF NAMEVALUESEPARATOR_RW} +procedure TWideStrings.SetNameValueSeparator(const Value: WideChar); +begin + if (FNameValueSeparator <> Value) or not (sdNameValueSeparator in FDefined) then + begin + Include(FDefined, sdNameValueSeparator); + FNameValueSeparator := Value; + end +end; +{$ENDIF} + +function TWideStrings.GetValueFromIndex(Index: Integer): WideString; +begin + if Index >= 0 then + Result := Copy(Get(Index), Length(Names[Index]) + 2, MaxInt) else + Result := ''; +end; + +procedure TWideStrings.SetValueFromIndex(Index: Integer; const Value: WideString); +begin + if Value <> '' then + begin + if Index < 0 then Index := Add(''); + Put(Index, Names[Index] + NameValueSeparator + Value); + end + else + if Index >= 0 then Delete(Index); +end; + +end. |