| // 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_READ_MACROS_H_ |
| #define IPC_PARAM_TRAITS_READ_MACROS_H_ |
| |
| // Null out all the macros that need nulling. |
| #include "ipc/ipc_message_null_macros.h" |
| |
| // STRUCT declarations cause corresponding STRUCT_TRAITS declarations to occur. |
| #undef IPC_STRUCT_BEGIN_WITH_PARENT |
| #undef IPC_STRUCT_MEMBER |
| #undef IPC_STRUCT_END |
| #define IPC_STRUCT_BEGIN_WITH_PARENT(struct_name, parent) \ |
| IPC_STRUCT_TRAITS_BEGIN(struct_name) |
| #define IPC_STRUCT_MEMBER(type, name, ...) IPC_STRUCT_TRAITS_MEMBER(name) |
| #define IPC_STRUCT_END() IPC_STRUCT_TRAITS_END() |
| |
| // Set up so next include will generate read methods. |
| #undef IPC_STRUCT_TRAITS_BEGIN |
| #undef IPC_STRUCT_TRAITS_MEMBER |
| #undef IPC_STRUCT_TRAITS_PARENT |
| #undef IPC_STRUCT_TRAITS_END |
| #define IPC_STRUCT_TRAITS_BEGIN(struct_name) \ |
| bool ParamTraits<struct_name>:: \ |
| Read(const Message* m, PickleIterator* iter, param_type* p) { \ |
| return |
| #define IPC_STRUCT_TRAITS_MEMBER(name) ReadParam(m, iter, &p->name) && |
| #define IPC_STRUCT_TRAITS_PARENT(type) ParamTraits<type>::Read(m, iter, p) && |
| #define IPC_STRUCT_TRAITS_END() 1; } |
| |
| #undef IPC_ENUM_TRAITS_VALIDATE |
| #define IPC_ENUM_TRAITS_VALIDATE(enum_name, validation_expression) \ |
| bool ParamTraits<enum_name>:: \ |
| Read(const Message* m, PickleIterator* iter, param_type* p) { \ |
| int value; \ |
| if (!m->ReadInt(iter, &value)) \ |
| return false; \ |
| if (!(validation_expression)) \ |
| return false; \ |
| *p = static_cast<param_type>(value); \ |
| return true; \ |
| } |
| |
| #endif // IPC_PARAM_TRAITS_READ_MACROS_H_ |
| |