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GetLocalTimeOffset: add InputIsUTC parameter to DateTime-aware overloads

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git-svn-id: trunk@47293 -
This commit is contained in:
ondrej 2020-11-03 18:15:16 +00:00
parent 6df9ad8e50
commit a02d676b06
7 changed files with 27 additions and 18 deletions
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2
packages/fcl-pdf/src/fppdf.pp
View File

@ -1294,7 +1294,7 @@ begin
fmt := '%.2d:%.2d'
else
fmt := '%.2d''%.2d''';
i := GetLocalTimeOffset(ADate); //min
i := GetLocalTimeOffset(ADate, False); //min
if i < 0 then
Result := '+'
else if i = 0 then begin

12
packages/rtl-objpas/src/inc/dateutil.inc
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@ -2257,7 +2257,7 @@ Var
begin
T:=aValue;
if Not aInputisUTC then
T:=IncMinute(T,GetLocalTimeOffset(AValue));
T:=IncMinute(T,GetLocalTimeOffset(AValue, AInputisUTC));
Result:=Round(DateTimeDiff(RecodeMillisecond(T,0),UnixEpoch)*SecsPerDay);
end;
@ -2267,7 +2267,7 @@ Function UnixToDateTime(const AValue: Int64; aReturnUTC : Boolean = true): TDate
begin
Result:=IncSecond(UnixEpoch, AValue);
if Not aReturnUTC then
Result:=IncMinute(Result,-GetLocalTimeOffset(Result));
Result:=IncMinute(Result,-GetLocalTimeOffset(Result, True));
end;
@ -2668,7 +2668,7 @@ end;
function UniversalTimeToLocal(UT: TDateTime): TDateTime;
begin
Result:=SysUtils.UniversalTimeToLocal(UT,-GetLocalTimeOffset(UT));
Result:=SysUtils.UniversalTimeToLocal(UT,-GetLocalTimeOffset(UT, True));
end;
function UniversalTimeToLocal(UT: TDateTime; TZOffset : Integer): TDateTime;
@ -2680,7 +2680,7 @@ end;
Function LocalTimeToUniversal(LT: TDateTime): TDateTime;
begin
Result:=SysUtils.LocalTimeToUniversal(LT,-GetLocalTimeOffset(LT));
Result:=SysUtils.LocalTimeToUniversal(LT,-GetLocalTimeOffset(LT, False));
end;
Function LocalTimeToUniversal(LT: TDateTime;TZOffset: Integer): TDateTime;
@ -2703,7 +2703,7 @@ var
Offset: Integer;
begin
Result := FormatDateTime(FmtUTC, ADate);
Offset := GetLocalTimeOffset(ADate);
Offset := GetLocalTimeOffset(ADate, AInputIsUTC);
if AInputIsUTC or (Offset=0) then
Result:=Result+'Z'
else
@ -2929,7 +2929,7 @@ begin
if ReturnUTC then
Offset:=0
else
OffSet:=-GetLocalTimeOffset(ADateTime);
OffSet:=-GetLocalTimeOffset(ADateTime, True);
aDateTime:=IncMinute(aDateTime,Offset);
Result:=True;
end;

10
rtl/objpas/sysutils/dati.inc
View File

@ -1525,15 +1525,15 @@ begin
Result:=0;
end;
function GetLocalTimeOffset(const DateTime: TDateTime; out Offset: Integer): Boolean;
function GetLocalTimeOffset(const DateTime: TDateTime; const InputIsUTC: Boolean; out Offset: Integer): Boolean;
begin
Result:=False;
end;
{$ENDIF}
function GetLocalTimeOffset(const DateTime: TDateTime): Integer;
function GetLocalTimeOffset(const DateTime: TDateTime; const InputIsUTC: Boolean): Integer;
begin
if not GetLocalTimeOffset(DateTime, Result) then
if not GetLocalTimeOffset(DateTime, InputIsUTC, Result) then
Result:=GetLocalTimeOffset();
end;
@ -1542,7 +1542,7 @@ end;
function UniversalTimeToLocal(UT: TDateTime): TDateTime;
begin
Result:=UniversalTimeToLocal(UT,-GetLocalTimeOffset(UT));
Result:=UniversalTimeToLocal(UT,-GetLocalTimeOffset(UT, True));
end;
function UniversalTimeToLocal(UT: TDateTime; TZOffset : Integer): TDateTime;
@ -1559,7 +1559,7 @@ end;
Function LocalTimeToUniversal(LT: TDateTime): TDateTime;
begin
Result:=LocalTimeToUniversal(LT,-GetLocalTimeOffset(LT));
Result:=LocalTimeToUniversal(LT,-GetLocalTimeOffset(LT, False));
end;
Function LocalTimeToUniversal(LT: TDateTime;TZOffset: Integer): TDateTime;

4
rtl/objpas/sysutils/datih.inc
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@ -200,8 +200,8 @@ procedure ReplaceTime(var dati:TDateTime; NewTime : TDateTime); inline;
procedure ReplaceDate(var DateTime: TDateTime; const NewDate: TDateTime); inline;
function GetLocalTimeOffset: Integer;
function GetLocalTimeOffset(const DateTime: TDateTime; out Offset: Integer): Boolean;
function GetLocalTimeOffset(const DateTime: TDateTime): Integer;
function GetLocalTimeOffset(const DateTime: TDateTime; const InputIsUTC: Boolean; out Offset: Integer): Boolean;
function GetLocalTimeOffset(const DateTime: TDateTime; const InputIsUTC: Boolean = False): Integer;
Function FileDateToUTC (Filedate : Int64) : TDateTime;

7
rtl/unix/sysutils.pp
View File

@ -1620,7 +1620,7 @@ begin
Result := -Tzseconds div 60;
end;
function GetLocalTimeOffset(const DateTime: TDateTime; out Offset: Integer): Boolean;
function GetLocalTimeOffset(const DateTime: TDateTime; const InputIsUTC: Boolean; out Offset: Integer): Boolean;
var
Year, Month, Day, Hour, Minute, Second, MilliSecond: word;
@ -1629,7 +1629,10 @@ var
begin
DecodeDate(DateTime, Year, Month, Day);
DecodeTime(DateTime, Hour, Minute, Second, MilliSecond);
UnixTime:=LocalToEpoch(Year, Month, Day, Hour, Minute, Second);
if InputIsUTC then
UnixTime:=UniversalToEpoch(Year, Month, Day, Hour, Minute, Second)
else
UnixTime:=LocalToEpoch(Year, Month, Day, Hour, Minute, Second);
{ check if time is in current global Tzinfo }
if (Tzinfo.validsince<UnixTime) and (UnixTime<Tzinfo.validuntil) then
begin

8
rtl/win/sysutils.pp
View File

@ -832,7 +832,7 @@ begin
end;
function GetLocalTimeOffset(const DateTime: TDateTime; out Offset: Integer): Boolean;
function GetLocalTimeOffset(const DateTime: TDateTime; const InputIsUTC: Boolean; out Offset: Integer): Boolean;
var
Year: Integer;
const
@ -884,8 +884,14 @@ begin
if (TZInfo.StandardDate.Month>0) and (TZInfo.DaylightDate.Month>0) then
begin // there is DST
// DaylightDate and StandardDate are local times
DSTStart := RelWeekDayToDateTime(TZInfo.DaylightDate);
DSTEnd := RelWeekDayToDateTime(TZInfo.StandardDate);
if InputIsUTC then
begin
DSTStart := DSTStart + (TZInfo.Bias+TZInfo.StandardBias)/MinsPerDay;
DSTEnd := DSTEnd + (TZInfo.Bias+TZInfo.DaylightBias)/MinsPerDay;
end;
if (DateTime>DSTStart) and (DateTime<DSTEnd) then
Offset := TZInfo.Bias+TZInfo.DaylightBias
else

2
rtl/wince/sysutils.pp
View File

@ -460,7 +460,7 @@ begin
end;
end;
function GetLocalTimeOffset(const DateTime: TDateTime; out Offset: Integer): Boolean;
function GetLocalTimeOffset(const DateTime: TDateTime; const InputIsUTC: Boolean; out Offset: Integer): Boolean;
begin
Result := False; // not supported