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// 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.
#include "mojo/public/cpp/bindings/lib/message_builder.h"
#include "mojo/public/cpp/bindings/message.h"
namespace mojo {
namespace internal {
template <typename Header>
void Allocate(Buffer* buf, Header** header) {
*header = static_cast<Header*>(buf->Allocate(sizeof(Header)));
(*header)->num_bytes = sizeof(Header);
}
MessageBuilder::MessageBuilder(uint32_t name, size_t payload_size)
: buf_(sizeof(MessageHeader) + payload_size) {
MessageHeader* header;
Allocate(&buf_, &header);
header->num_fields = 2;
header->name = name;
}
MessageBuilder::~MessageBuilder() {
}
void MessageBuilder::Finish(Message* message) {
uint32_t num_bytes = static_cast<uint32_t>(buf_.size());
message->AdoptData(num_bytes, static_cast<MessageData*>(buf_.Leak()));
}
MessageBuilder::MessageBuilder(size_t size) : buf_(size) {
}
MessageWithRequestIDBuilder::MessageWithRequestIDBuilder(uint32_t name,
size_t payload_size,
uint32_t flags,
uint64_t request_id)
: MessageBuilder(sizeof(MessageHeaderWithRequestID) + payload_size) {
MessageHeaderWithRequestID* header;
Allocate(&buf_, &header);
header->num_fields = 3;
header->name = name;
header->flags = flags;
header->request_id = request_id;
}
} // namespace internal
} // namespace mojo
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