convert.h 3.1 KB

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  1. /*
  2. * Copyright (c) 2009-2021, Google LLC
  3. * All rights reserved.
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions are met:
  7. * * Redistributions of source code must retain the above copyright
  8. * notice, this list of conditions and the following disclaimer.
  9. * * Redistributions in binary form must reproduce the above copyright
  10. * notice, this list of conditions and the following disclaimer in the
  11. * documentation and/or other materials provided with the distribution.
  12. * * Neither the name of Google LLC nor the
  13. * names of its contributors may be used to endorse or promote products
  14. * derived from this software without specific prior written permission.
  15. *
  16. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  17. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19. * ARE DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY DIRECT,
  20. * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  21. * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  22. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  23. * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  25. * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26. */
  27. #ifndef PYUPB_CONVERT_H__
  28. #define PYUPB_CONVERT_H__
  29. #include "protobuf.h"
  30. #include "upb/def.h"
  31. #include "upb/reflection.h"
  32. // Converts `val` to a Python object according to the type information in `f`.
  33. // Any newly-created Python objects that reference non-primitive data from `val`
  34. // will take a reference on `arena`; the caller must ensure that `val` belongs
  35. // to `arena`. If the conversion cannot be performed, returns NULL and sets a
  36. // Python error.
  37. PyObject* PyUpb_UpbToPy(upb_MessageValue val, const upb_FieldDef* f,
  38. PyObject* arena);
  39. // Converts `obj` to a upb_MessageValue `*val` according to the type information
  40. // in `f`. If `arena` is provided, any string data will be copied into `arena`,
  41. // otherwise the returned value will alias the Python-owned data (this can be
  42. // useful for an ephemeral upb_MessageValue). If the conversion cannot be
  43. // performed, returns false.
  44. bool PyUpb_PyToUpb(PyObject* obj, const upb_FieldDef* f, upb_MessageValue* val,
  45. upb_Arena* arena);
  46. // Returns true if the given values (of type `f`) are equal.
  47. bool PyUpb_ValueEq(upb_MessageValue val1, upb_MessageValue val2,
  48. const upb_FieldDef* f);
  49. // Returns true if the given messages (of type `m`) are equal.
  50. bool PyUpb_Message_IsEqual(const upb_Message* msg1, const upb_Message* msg2,
  51. const upb_MessageDef* m);
  52. // Returns true if the two arrays (with element type `f`) are equal.
  53. bool PyUpb_Array_IsEqual(const upb_Array* arr1, const upb_Array* arr2,
  54. const upb_FieldDef* f);
  55. #endif // PYUPB_CONVERT_H__