| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef IPC_PARAM_TRAITS_MACROS_H_ |
| #define IPC_PARAM_TRAITS_MACROS_H_ |
| |
| #include <string> |
| |
| // Traits generation for structs. |
| #define IPC_STRUCT_TRAITS_BEGIN(struct_name) \ |
| namespace IPC { \ |
| template <> \ |
| struct IPC_MESSAGE_EXPORT ParamTraits<struct_name> { \ |
| typedef struct_name param_type; \ |
| static void GetSize(base::PickleSizer* sizer, \ |
| const param_type& p); \ |
| static void Write(base::Pickle* m, const param_type& p); \ |
| static bool Read(const base::Pickle* m, \ |
| base::PickleIterator* iter, \ |
| param_type* p); \ |
| static void Log(const param_type& p, std::string* l); \ |
| }; \ |
| } |
| |
| #define IPC_STRUCT_TRAITS_MEMBER(name) |
| #define IPC_STRUCT_TRAITS_PARENT(type) |
| #define IPC_STRUCT_TRAITS_END() |
| |
| // Convenience macro for defining enumerated type traits for types which are |
| // not range-checked by the IPC system. The author of the message handlers |
| // is responsible for all validation. This macro should not need to be |
| // subsequently redefined. |
| #define IPC_ENUM_TRAITS(type) \ |
| IPC_ENUM_TRAITS_VALIDATE(type, true) |
| |
| // Convenience macro for defining enumerated type traits for types which are |
| // range-checked by the IPC system to be in the range of 0..maxvalue inclusive. |
| // This macro should not need to be subsequently redefined. |
| #define IPC_ENUM_TRAITS_MAX_VALUE(type, maxvalue) \ |
| IPC_ENUM_TRAITS_MIN_MAX_VALUE(type, 0, maxvalue) |
| |
| // Convenience macro for defining enumerated type traits for types which are |
| // range-checked by the IPC system to be in the range of minvalue..maxvalue |
| // inclusive. This macro should not need to be subsequently redefined. |
| // TODO(tsepez): Cast to std::underlying_type<>::type once that is permitted. |
| #define IPC_ENUM_TRAITS_MIN_MAX_VALUE(type, minvalue, maxvalue) \ |
| IPC_ENUM_TRAITS_VALIDATE( \ |
| type, (static_cast<int>(value) >= static_cast<int>(minvalue) && \ |
| static_cast<int>(value) <= static_cast<int>(maxvalue))) |
| |
| // Traits generation for enums. This macro may be redefined later. |
| #define IPC_ENUM_TRAITS_VALIDATE(enum_name, validation_expression) \ |
| namespace IPC { \ |
| template <> \ |
| struct IPC_MESSAGE_EXPORT ParamTraits<enum_name> { \ |
| typedef enum_name param_type; \ |
| static void GetSize(base::PickleSizer* sizer, \ |
| const param_type& p); \ |
| static void Write(base::Pickle* m, const param_type& p); \ |
| static bool Read(const base::Pickle* m, \ |
| base::PickleIterator* iter, \ |
| param_type* p); \ |
| static void Log(const param_type& p, std::string* l); \ |
| }; \ |
| } |
| |
| #endif // IPC_PARAM_TRAITS_MACROS_H_ |
| |