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 5 #ifndef IPC_PARAM_TRAITS_READ_MACROS_H_ 6 #define IPC_PARAM_TRAITS_READ_MACROS_H_ 7 8 // Null out all the macros that need nulling. 9 #include "ipc/ipc_message_null_macros.h" 10 11 // STRUCT declarations cause corresponding STRUCT_TRAITS declarations to occur. 12 #undef IPC_STRUCT_BEGIN_WITH_PARENT 13 #undef IPC_STRUCT_MEMBER 14 #undef IPC_STRUCT_END 15 #define IPC_STRUCT_BEGIN_WITH_PARENT(struct_name, parent) \ 16 IPC_STRUCT_TRAITS_BEGIN(struct_name) 17 #define IPC_STRUCT_MEMBER(type, name, ...) IPC_STRUCT_TRAITS_MEMBER(name) 18 #define IPC_STRUCT_END() IPC_STRUCT_TRAITS_END() 19 20 // Set up so next include will generate read methods. 21 #undef IPC_STRUCT_TRAITS_BEGIN 22 #undef IPC_STRUCT_TRAITS_MEMBER 23 #undef IPC_STRUCT_TRAITS_PARENT 24 #undef IPC_STRUCT_TRAITS_END 25 #define IPC_STRUCT_TRAITS_BEGIN(struct_name) \ 26 bool ParamTraits<struct_name>:: \ 27 Read(const Message* m, PickleIterator* iter, param_type* p) { \ 28 return 29 #define IPC_STRUCT_TRAITS_MEMBER(name) ReadParam(m, iter, &p->name) && 30 #define IPC_STRUCT_TRAITS_PARENT(type) ParamTraits<type>::Read(m, iter, p) && 31 #define IPC_STRUCT_TRAITS_END() 1; } 32 33 #undef IPC_ENUM_TRAITS_VALIDATE 34 #define IPC_ENUM_TRAITS_VALIDATE(enum_name, validation_expression) \ 35 bool ParamTraits<enum_name>:: \ 36 Read(const Message* m, PickleIterator* iter, param_type* p) { \ 37 int value; \ 38 if (!m->ReadInt(iter, &value)) \ 39 return false; \ 40 if (!(validation_expression)) \ 41 return false; \ 42 *p = static_cast<param_type>(value); \ 43 return true; \ 44 } 45 46 #endif // IPC_PARAM_TRAITS_READ_MACROS_H_ 47 48
