map.h 3.0 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_MAP_H__
  28. #define PYUPB_MAP_H__
  29. #include <stdbool.h>
  30. #include "python/python.h"
  31. #include "upb/def.h"
  32. // Creates a new repeated field stub for field `f` of message object `parent`.
  33. // Precondition: `parent` must be a stub.
  34. PyObject* PyUpb_MapContainer_NewStub(PyObject* parent, const upb_FieldDef* f,
  35. PyObject* arena);
  36. // Returns a map object wrapping `map`, of field type `f`, which must be on
  37. // `arena`. If an existing wrapper object exists, it will be returned,
  38. // otherwise a new object will be created. The caller always owns a ref on the
  39. // returned value.
  40. PyObject* PyUpb_MapContainer_GetOrCreateWrapper(upb_Map* map,
  41. const upb_FieldDef* f,
  42. PyObject* arena);
  43. // Reifies a map stub to point to the concrete data in `map`.
  44. // If `map` is NULL, an appropriate empty map will be constructed.
  45. void PyUpb_MapContainer_Reify(PyObject* self, upb_Map* map);
  46. // Reifies this map object if it is not already reified.
  47. upb_Map* PyUpb_MapContainer_EnsureReified(PyObject* self);
  48. // Assigns `self[key] = val` for the map `self`.
  49. int PyUpb_MapContainer_AssignSubscript(PyObject* self, PyObject* key,
  50. PyObject* val);
  51. // Invalidates any existing iterators for the map `obj`.
  52. void PyUpb_MapContainer_Invalidate(PyObject* obj);
  53. // Module-level init.
  54. bool PyUpb_Map_Init(PyObject* m);
  55. #endif // PYUPB_MAP_H__