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rtl: typinfo: GetOrdProp/SetOrdProp for tkSet

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This commit is contained in:
mattias 2018-06-25 11:51:32 +00:00
parent cff1e9dde9
commit 9636f88afa
1 changed files with 31 additions and 4 deletions
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35
packages/rtl/typinfo.pas
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@ -895,24 +895,51 @@ end;
function GetOrdProp(Instance: TObject; const PropName: String): longint; function GetOrdProp(Instance: TObject; const PropName: String): longint;
begin begin
Result:=longint(GetJSValueProp(Instance,PropName)); Result:=GetOrdProp(Instance,FindPropInfo(Instance,PropName));
end; end;
function GetOrdProp(Instance: TObject; const PropInfo: TTypeMemberProperty function GetOrdProp(Instance: TObject; const PropInfo: TTypeMemberProperty
): longint; ): longint;
var
o: TJSObject;
Key: String;
n: NativeInt;
begin begin
Result:=longint(GetJSValueProp(Instance,PropInfo)); if PropInfo.TypeInfo.Kind=tkSet then
begin
// a set is a JS object, with the following property: o[ElementDecimal]=true
o:=TJSObject(GetJSValueProp(Instance,PropInfo));
Result:=0;
for Key in o do
begin
n:=parseInt(Key,10);
if n<32 then
Result:=Result+(1 shl n);
end;
end else
Result:=longint(GetJSValueProp(Instance,PropInfo));
end; end;
procedure SetOrdProp(Instance: TObject; const PropName: String; Value: longint); procedure SetOrdProp(Instance: TObject; const PropName: String; Value: longint);
begin begin
SetJSValueProp(Instance,PropName,Value); SetOrdProp(Instance,FindPropInfo(Instance,PropName),Value);
end; end;
procedure SetOrdProp(Instance: TObject; const PropInfo: TTypeMemberProperty; procedure SetOrdProp(Instance: TObject; const PropInfo: TTypeMemberProperty;
Value: longint); Value: longint);
var
o: TJSObject;
i: Integer;
begin begin
SetJSValueProp(Instance,PropInfo,Value); if PropInfo.TypeInfo.Kind=tkSet then
begin
o:=TJSObject.new;
for i:=0 to 31 do
if (1 shl i) and Value>0 then
o[str(i)]:=true;
SetJSValueProp(Instance,PropInfo,o);
end else
SetJSValueProp(Instance,PropInfo,Value);
end; end;
function GetEnumProp(Instance: TObject; const PropName: String): String; function GetEnumProp(Instance: TObject; const PropName: String): String;