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-rw-r--r--ipc/param_traits_read_macros.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/ipc/param_traits_read_macros.h b/ipc/param_traits_read_macros.h
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+++ b/ipc/param_traits_read_macros.h
@@ -0,0 +1,45 @@
+// Copyright (c) 2011 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_
+#pragma once
+
+// 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
+#undef IPC_STRUCT_MEMBER
+#undef IPC_STRUCT_END
+#define IPC_STRUCT_BEGIN(struct_name) 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, void** 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
+#define IPC_ENUM_TRAITS(enum_name) \
+ bool ParamTraits<enum_name>:: \
+ Read(const Message* m, void** iter, param_type* p) { \
+ int type; \
+ if (!m->ReadInt(iter, &type)) \
+ return false; \
+ *p = static_cast<param_type>(type); \
+ return true; \
+ }
+
+#endif // IPC_PARAM_TRAITS_READ_MACROS_H_
+