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//
// MessagePack for C++ zero-copy buffer implementation
//
// Copyright (C) 2008-2009 FURUHASHI Sadayuki
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#ifndef MSGPACK_VREFBUFFER_HPP__
#define MSGPACK_VREFBUFFER_HPP__
#include "msgpack/vrefbuffer.h"
#include <stdexcept>
namespace msgpack {
class vrefbuffer : public msgpack_vrefbuffer {
public:
vrefbuffer(size_t ref_size = MSGPACK_VREFBUFFER_REF_SIZE,
size_t chunk_size = MSGPACK_VREFBUFFER_CHUNK_SIZE)
{
msgpack_vrefbuffer_init(this, ref_size, chunk_size);
}
~vrefbuffer()
{
msgpack_vrefbuffer_destroy(this);
}
public:
void write(const char* buf, unsigned int len)
{
if(len < base::ref_size) {
append_copy(buf, len);
} else {
append_ref(buf, len);
}
}
void append_ref(const char* buf, size_t len)
{
if(msgpack_vrefbuffer_append_ref(this, buf, len) < 0) {
throw std::bad_alloc();
}
}
void append_copy(const char* buf, size_t len)
{
if(msgpack_vrefbuffer_append_copy(this, buf, len) < 0) {
throw std::bad_alloc();
}
}
const struct iovec* vector() const
{
return msgpack_vrefbuffer_vec(this);
}
size_t vector_size() const
{
return msgpack_vrefbuffer_veclen(this);
}
private:
typedef msgpack_vrefbuffer base;
private:
vrefbuffer(const vrefbuffer&);
};
} // namespace msgpack
#endif /* msgpack/vrefbuffer.hpp */
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