Data POD

Src/Data/Myc.Data.POD.pas

@@ -27,7 +27,6 @@ type
     );
 
     TScalarBytes = array[0..15] of Byte;
-
     TScalarPChar = array[0..7] of Char;
     TScalarString = String[15];
 
@@ -186,9 +185,11 @@ type
 
         function GetDef: TScalarRecordDefinition; inline;
         function GetFields: TArray<TScalarValue>; inline;
+        function GetItems(const Name: String): TScalar;
 
         property Def: TScalarRecordDefinition read GetDef;
         property Fields: TArray<TScalarValue> read GetFields;
+        property Items[const Name: String]: TScalar read GetItems; default;
 
     strict private
         FDef: TScalarRecordDefinition;
@@ -222,17 +223,8 @@ begin
 end;
 
 class function TScalarValue.FromBytes(const AValue: TScalarBytes): TScalarValue;
-var
-    len: Integer;
 begin
-    FillChar(Result.FBytes, SizeOf(Result.FBytes), 0);
-    len := Length(AValue);
-    if (len > 0) then
-    begin
-        if (len > SizeOf(Result.FBytes)) then
-            len := SizeOf(Result.FBytes);
-        Move(AValue[0], Result.FBytes[0], len);
-    end;
+    Result.FBytes := AValue;
 end;
 
 class function TScalarValue.FromChar(AValue: Char): TScalarValue;
@@ -538,6 +530,27 @@ begin
     Result := FFields;
 end;
 
+function TScalarRecord.GetItems(const Name: String): TScalar;
+var
+    i: Integer;
+    fieldDef: TScalarRecordField;
+begin
+    // Find the index of the field by name (case-insensitive)
+    for i := 0 to Length(FDef.Fields) - 1 do
+    begin
+        fieldDef := FDef.Fields[i];
+        if (CompareText(fieldDef.Name, Name) = 0) then
+        begin
+            // Found it. Construct the TScalar result from the kind and value.
+            Result.Create(fieldDef.Kind, FFields[i]);
+            exit;
+        end;
+    end;
+
+    // If we get here, the field was not found.
+    raise EArgumentException.CreateFmt('Field "%s" not found in record definition.', [Name]);
+end;
+
 { TScalarSeries }
 
 constructor TScalarSeries.Create(AKind: TScalarKind; const AItems: TSeries<TScalarValue>);