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* Add some utility properties

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This commit is contained in:
Michaël Van Canneyt 2024-07-05 14:07:34 +02:00
parent e51fb8020c
commit 38ec27065b
1 changed files with 204 additions and 0 deletions
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204
packages/wasm-job/src/job.js.pas
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@ -578,8 +578,18 @@ type
IJSArray = interface(IJSObject)
['{21E331BA-7B57-42DD-8DCE-B26FEA85C693}']
function _GetBooleans(Index: NativeInt): Boolean;
function _GetElements(Index: NativeInt): TJOB_JSValue;
function _GetFloats(Index: NativeInt): Double;
function _GetLength: NativeInt;
function _GetNativeInts(Index: NativeInt): NativeInt;
function _GetObjects(Index: NativeInt): IJSObject;
function _GetStrings(Index: NativeInt): UnicodeString;
procedure _SetBooleans(Index: NativeInt; aValue: Boolean);
procedure _SetFloats(Index: NativeInt; aValue: Double);
procedure _SetNativeInts(Index: NativeInt; aValue: NativeInt);
procedure _SetObjects(Index: NativeInt; aValue: IJSObject);
procedure _SetStrings(Index: NativeInt; aValue: UnicodeString);
procedure _SetElements(Index: NativeInt; const AValue: TJOB_JSValue);
procedure _SetLength(const AValue: NativeInt);
function isArray(a: TJOB_JSValue): Boolean; overload;
@ -636,14 +646,31 @@ type
//function values: TJSIterator;
Property Length: NativeInt Read _GetLength Write _SetLength;
property Elements[Index: NativeInt]: TJOB_JSValue read _GetElements write _SetElements; default;
// Convenience properties
Property Floats[Index: NativeInt] : Double Read _GetFloats Write _SetFloats;
Property NativeInts[Index: NativeInt] : NativeInt Read _GetNativeInts Write _SetNativeInts;
Property Strings[Index: NativeInt] : UnicodeString Read _GetStrings Write _SetStrings;
Property Objects[Index: NativeInt] : IJSObject Read _GetObjects Write _SetObjects;
Property Booleans[Index: NativeInt] : Boolean Read _GetBooleans Write _SetBooleans;
end;
{ TJSArray }
TJSArray = class(TJSObject,IJSArray)
private
function _GetBooleans(Index: NativeInt): Boolean;
function _GetElements(Index: NativeInt): TJOB_JSValue;
function _GetFloats(Index: NativeInt): Double;
function _GetLength: NativeInt;
function _GetNativeInts(Index: NativeInt): NativeInt;
function _GetObjects(Index: NativeInt): IJSObject;
function _GetStrings(Index: NativeInt): UnicodeString;
procedure _SetBooleans(Index: NativeInt; aValue: Boolean);
procedure _SetFloats(Index: NativeInt; aValue: Double);
procedure _SetNativeInts(Index: NativeInt; aValue: NativeInt);
procedure _SetObjects(Index: NativeInt; aValue: IJSObject);
procedure _SetStrings(Index: NativeInt; aValue: UnicodeString);
procedure _SetElements(Index: NativeInt; const AValue: TJOB_JSValue);
procedure _SetLength(const AValue: NativeInt);
public
@ -702,6 +729,14 @@ type
//function values: TJSIterator;
Property Length: NativeInt Read _GetLength Write _SetLength;
property Elements[Index: NativeInt]: TJOB_JSValue read _GetElements write _SetElements; default;
// Convenience properties
Property Floats[Index: NativeInt] : Double Read _GetFloats;
Property NativeInts[Index: NativeInt] : NativeInt Read _GetNativeInts;
Property Strings[Index: NativeInt] : UnicodeString Read _GetStrings;
Property Objects[Index: NativeInt] : IJSObject Read _GetObjects;
Property Booleans[Index: NativeInt] : Boolean Read _GetBooleans;
class function Cast(const Intf: IJSObject): IJSArray; overload;
class function JSClassName: UnicodeString; override;
end;
@ -1960,16 +1995,185 @@ end;
{ TJSArray }
function TJSArray._GetBooleans(Index: NativeInt): Boolean;
var
V : TJOB_JSValue;
begin
V:=Elements[Index];
try
if V is TJOB_Boolean then
Exit(TJOB_Boolean(V).Value);
finally
V.Free;
end;
Raise EConvertError.CreateFmt('Element %d is not a valid boolean',[Index]);
end;
function TJSArray._GetElements(Index: NativeInt): TJOB_JSValue;
begin
Result:=InvokeJSValueResult(IntToStr(Index),[],jiGet);
end;
function TJSArray._GetFloats(Index: NativeInt): Double;
var
V : TJOB_JSValue;
Code : Integer;
begin
V:=Elements[Index];
try
if V is TJOB_Double then
Exit(TJOB_Double(V).Value);
if V is TJOB_String then
begin
Val(TJOB_STRING(V).Value,Result,Code);
if Code=0 then
Exit
end;
finally
V.Free;
end;
Raise EConvertError.CreateFmt('Element %d is not a valid float',[Index]);
end;
function TJSArray._GetLength: NativeInt;
begin
Result:=ReadJSPropertyLongInt('length');
end;
function TJSArray._GetNativeInts(Index: NativeInt): NativeInt;
var
V : TJOB_JSValue;
begin
V:=Elements[Index];
try
if V is TJOB_Double then
if Frac(TJOB_Double(V).Value)=0 then
Exit(Round(TJOB_Double(V).Value));
if V is TJOB_String then
begin
if TryStrToInt(TJOB_STRING(V).Value,Result) then
Exit
end;
finally
V.Free;
end;
Raise EConvertError.CreateFmt('Element %d is not a valid integer value',[Index]);
end;
function TJSArray._GetObjects(Index: NativeInt): IJSObject;
var
V : TJOB_JSValue;
begin
V:=Elements[Index];
try
if V is TJOB_Object then
Exit(TJOB_Object(V).Value);
finally
V.Free;
end;
Raise EConvertError.CreateFmt('Element %d is not a valid object',[Index]);
end;
function TJSArray._GetStrings(Index: NativeInt): UnicodeString;
var
V : TJOB_JSValue;
S : String;
begin
V:=Elements[Index];
try
if V is TJOB_Double then
if Frac(TJOB_Double(V).Value)=0 then
Exit(IntToStr(Round(TJOB_Double(V).Value)))
else
begin
Str(TJOB_Double(V).Value,S);
Result:=S;
end;
if V is TJOB_String then
Result:=TJOB_STRING(V).Value;
finally
V.Free;
end;
Raise EConvertError.CreateFmt('Element %d is not a valid integer value',[Index]);
end;
procedure TJSArray._SetBooleans(Index: NativeInt; aValue: Boolean);
Var
V : TJOB_Boolean;
begin
V:=TJOB_Boolean.Create(aValue);
try
_SetElements(Index,V);
finally
V.Free;
end;
end;
procedure TJSArray._SetFloats(Index: NativeInt; aValue: Double);
Var
V : TJOB_Double;
begin
V:=TJOB_Double.Create(aValue);
try
_SetElements(Index,V);
finally
V.Free;
end;
end;
procedure TJSArray._SetNativeInts(Index: NativeInt; aValue: NativeInt);
Var
V : TJOB_Double;
begin
V:=TJOB_Double.Create(aValue);
try
_SetElements(Index,V);
finally
V.Free;
end;
end;
procedure TJSArray._SetObjects(Index: NativeInt; aValue: IJSObject);
Var
V : TJOB_Object;
begin
V:=TJOB_Object.Create(aValue);
try
_SetElements(Index,V);
finally
V.Free;
end;
end;
procedure TJSArray._SetStrings(Index: NativeInt; aValue: UnicodeString);
Var
V : TJOB_String;
begin
V:=TJOB_String.Create(aValue);
try
_SetElements(Index,V);
finally
V.Free;
end;
end;
procedure TJSArray._SetElements(Index: NativeInt; const AValue: TJOB_JSValue);
begin
InvokeJSNoResult(IntToStr(Index),[AValue],jiSet);