| // Copyright 2013 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 MOJO_PUBLIC_CPP_BINDINGS_LIB_MESSAGE_BUILDER_H_ |
| #define MOJO_PUBLIC_CPP_BINDINGS_LIB_MESSAGE_BUILDER_H_ |
| |
| #include <stdint.h> |
| |
| #include "mojo/public/cpp/bindings/lib/fixed_buffer.h" |
| #include "mojo/public/cpp/bindings/lib/message_internal.h" |
| |
| namespace mojo { |
| class Message; |
| |
| namespace internal { |
| |
| class MessageBuilder { |
| public: |
| MessageBuilder(uint32_t name, size_t payload_size); |
| ~MessageBuilder(); |
| |
| Buffer* buffer() { return &buf_; } |
| |
| // Call Finish when done making allocations in |buffer()|. Upon return, |
| // |message| will contain the message data, and |buffer()| will no longer be |
| // valid to reference. |
| void Finish(Message* message); |
| |
| protected: |
| explicit MessageBuilder(size_t size); |
| FixedBuffer buf_; |
| |
| MOJO_DISALLOW_COPY_AND_ASSIGN(MessageBuilder); |
| }; |
| |
| class MessageWithRequestIDBuilder : public MessageBuilder { |
| public: |
| MessageWithRequestIDBuilder(uint32_t name, |
| size_t payload_size, |
| uint32_t flags, |
| uint64_t request_id); |
| }; |
| |
| class RequestMessageBuilder : public MessageWithRequestIDBuilder { |
| public: |
| RequestMessageBuilder(uint32_t name, size_t payload_size) |
| : MessageWithRequestIDBuilder(name, |
| payload_size, |
| kMessageExpectsResponse, |
| 0) {} |
| }; |
| |
| class ResponseMessageBuilder : public MessageWithRequestIDBuilder { |
| public: |
| ResponseMessageBuilder(uint32_t name, |
| size_t payload_size, |
| uint64_t request_id) |
| : MessageWithRequestIDBuilder(name, |
| payload_size, |
| kMessageIsResponse, |
| request_id) {} |
| }; |
| |
| } // namespace internal |
| } // namespace mojo |
| |
| #endif // MOJO_PUBLIC_CPP_BINDINGS_LIB_MESSAGE_BUILDER_H_ |