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use FPC LEtoN/BEtoN intrinsics for wire-to-native reads #23

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Merged
Xor-el merged 1 commit into from
Jun 30, 2026
+42 −18
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use FPC LEtoN/BEtoN intrinsics for wire-to-native reads #23

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60 changes: 42 additions & 18 deletions SimpleBaseLib/src/Misc/SbpBinaryPrimitives.pas
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Original file line number Diff line number Diff line change
Expand Up @@ -145,56 +145,80 @@ class procedure TBinaryPrimitives.CheckBounds(const AData: TSimpleBaseLibByteArr

class function TBinaryPrimitives.LeToNativeUInt16(AValue: UInt16): UInt16;
begin
{$IFDEF SIMPLEBASELIB_LITTLE_ENDIAN}
Result := AValue;
{$IFDEF FPC}
Result := LEtoN(AValue);
{$ELSE}
{$IFDEF SIMPLEBASELIB_LITTLE_ENDIAN}
Result := AValue;
{$ELSE}
Result := TBitOperations.ReverseBytesUInt16(AValue);
{$ENDIF}
{$ENDIF SIMPLEBASELIB_LITTLE_ENDIAN}
{$ENDIF FPC}
end;

class function TBinaryPrimitives.LeToNativeUInt32(AValue: UInt32): UInt32;
begin
{$IFDEF SIMPLEBASELIB_LITTLE_ENDIAN}
Result := AValue;
{$IFDEF FPC}
Result := LEtoN(AValue);
{$ELSE}
{$IFDEF SIMPLEBASELIB_LITTLE_ENDIAN}
Result := AValue;
{$ELSE}
Result := TBitOperations.ReverseBytesUInt32(AValue);
{$ENDIF}
{$ENDIF SIMPLEBASELIB_LITTLE_ENDIAN}
{$ENDIF FPC}
end;

class function TBinaryPrimitives.LeToNativeUInt64(AValue: UInt64): UInt64;
begin
{$IFDEF SIMPLEBASELIB_LITTLE_ENDIAN}
Result := AValue;
{$IFDEF FPC}
Result := LEtoN(AValue);
{$ELSE}
{$IFDEF SIMPLEBASELIB_LITTLE_ENDIAN}
Result := AValue;
{$ELSE}
Result := TBitOperations.ReverseBytesUInt64(AValue);
{$ENDIF}
{$ENDIF SIMPLEBASELIB_LITTLE_ENDIAN}
{$ENDIF FPC}
end;

class function TBinaryPrimitives.BeToNativeUInt16(AValue: UInt16): UInt16;
begin
{$IFDEF SIMPLEBASELIB_LITTLE_ENDIAN}
Result := TBitOperations.ReverseBytesUInt16(AValue);
{$IFDEF FPC}
Result := BEtoN(AValue);
{$ELSE}
{$IFDEF SIMPLEBASELIB_LITTLE_ENDIAN}
Result := TBitOperations.ReverseBytesUInt16(AValue);
{$ELSE}
Result := AValue;
{$ENDIF}
{$ENDIF SIMPLEBASELIB_LITTLE_ENDIAN}
{$ENDIF FPC}
end;

class function TBinaryPrimitives.BeToNativeUInt32(AValue: UInt32): UInt32;
begin
{$IFDEF SIMPLEBASELIB_LITTLE_ENDIAN}
Result := TBitOperations.ReverseBytesUInt32(AValue);
{$IFDEF FPC}
Result := BEtoN(AValue);
{$ELSE}
{$IFDEF SIMPLEBASELIB_LITTLE_ENDIAN}
Result := TBitOperations.ReverseBytesUInt32(AValue);
{$ELSE}
Result := AValue;
{$ENDIF}
{$ENDIF SIMPLEBASELIB_LITTLE_ENDIAN}
{$ENDIF FPC}
end;

class function TBinaryPrimitives.BeToNativeUInt64(AValue: UInt64): UInt64;
begin
{$IFDEF SIMPLEBASELIB_LITTLE_ENDIAN}
Result := TBitOperations.ReverseBytesUInt64(AValue);
{$IFDEF FPC}
Result := BEtoN(AValue);
{$ELSE}
{$IFDEF SIMPLEBASELIB_LITTLE_ENDIAN}
Result := TBitOperations.ReverseBytesUInt64(AValue);
{$ELSE}
Result := AValue;
{$ENDIF}
{$ENDIF SIMPLEBASELIB_LITTLE_ENDIAN}
{$ENDIF FPC}
end;

// ============================================================================
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