ipc/param_traits_macros.h

   1 // Copyright (c) 2011 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
   5 #ifndef IPC_PARAM_TRAITS_MACROS_H_
   6 #define IPC_PARAM_TRAITS_MACROS_H_
   7
   8 #include <string>
   9
  10 // Traits generation for structs.
  11 #define IPC_STRUCT_TRAITS_BEGIN(struct_name) \
  12   namespace IPC { \
  13     template <> \
  14     struct IPC_MESSAGE_EXPORT ParamTraits<struct_name> { \
  15       typedef struct_name param_type; \
  16       static void Write(Message* m, const param_type& p); \
  17       static bool Read(const Message* m, void** iter, param_type* p); \
  18       static void Log(const param_type& p, std::string* l); \
  19     }; \
  20   }
  21
  22 #define IPC_STRUCT_TRAITS_MEMBER(name)
  23 #define IPC_STRUCT_TRAITS_PARENT(type)
  24 #define IPC_STRUCT_TRAITS_END()
  25
  26 // Traits generation for enums.
  27 #define IPC_ENUM_TRAITS(enum_name) \
  28   namespace IPC { \
  29     template <> \
  30     struct IPC_MESSAGE_EXPORT ParamTraits<enum_name> { \
  31       typedef enum_name param_type; \
  32       static void Write(Message* m, const param_type& p); \
  33       static bool Read(const Message* m, void** iter, param_type* p); \
  34       static void Log(const param_type& p, std::string* l); \
  35     }; \
  36   }
  37
  38 #endif  // IPC_PARAM_TRAITS_MACROS_H_
  39