param_traits_write_macros.h 1.6 KB

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  1. // Copyright (c) 2012 The Chromium Authors. All rights reserved.
  2. // Use of this source code is governed by a BSD-style license that can be
  3. // found in the LICENSE file.
  4. #ifndef IPC_PARAM_TRAITS_WRITE_MACROS_H_
  5. #define IPC_PARAM_TRAITS_WRITE_MACROS_H_
  6. // Null out all the macros that need nulling.
  7. #include "ipc/ipc_message_null_macros.h"
  8. // STRUCT declarations cause corresponding STRUCT_TRAITS declarations to occur.
  9. #undef IPC_STRUCT_BEGIN_WITH_PARENT
  10. #undef IPC_STRUCT_MEMBER
  11. #undef IPC_STRUCT_END
  12. #define IPC_STRUCT_BEGIN_WITH_PARENT(struct_name, parent) \
  13. IPC_STRUCT_TRAITS_BEGIN(struct_name)
  14. #define IPC_STRUCT_MEMBER(type, name, ...) IPC_STRUCT_TRAITS_MEMBER(name)
  15. #define IPC_STRUCT_END() IPC_STRUCT_TRAITS_END()
  16. // Set up so next include will generate write methods.
  17. #undef IPC_STRUCT_TRAITS_BEGIN
  18. #undef IPC_STRUCT_TRAITS_MEMBER
  19. #undef IPC_STRUCT_TRAITS_PARENT
  20. #undef IPC_STRUCT_TRAITS_END
  21. #define IPC_STRUCT_TRAITS_BEGIN(struct_name) \
  22. void ParamTraits<struct_name>::Write(base::Pickle* m, const param_type& p) {
  23. #define IPC_STRUCT_TRAITS_MEMBER(name) WriteParam(m, p.name);
  24. #define IPC_STRUCT_TRAITS_PARENT(type) ParamTraits<type>::Write(m, p);
  25. #define IPC_STRUCT_TRAITS_END() }
  26. #undef IPC_ENUM_TRAITS_VALIDATE
  27. #define IPC_ENUM_TRAITS_VALIDATE(enum_name, validation_expression) \
  28. void ParamTraits<enum_name>::Write(base::Pickle* m, \
  29. const param_type& value) { \
  30. DCHECK(validation_expression); \
  31. m->WriteInt(static_cast<int>(value)); \
  32. }
  33. #endif // IPC_PARAM_TRAITS_WRITE_MACROS_H_