adchpp-docker/src/adchpp/Buffer.h

78 lines
2.4 KiB
C++

/*
* Copyright (C) 2006-2016 Jacek Sieka, arnetheduck on gmail point com
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef BUFFER_H_
#define BUFFER_H_
#include "Pool.h"
#include "FastAlloc.h"
namespace adchpp {
/**
* Reference-counted buffer
*/
class Buffer :
public FastAlloc<Buffer>,
private boost::noncopyable
{
public:
Buffer(const std::string& str) : bufp(pool.get()) { append((uint8_t*)str.data(), (uint8_t*)str.data() + str.size()); }
Buffer(const void* ptr, const size_t size) : bufp(pool.get()) { append((uint8_t*) ptr, ((uint8_t*)ptr)+size); }
Buffer(const size_t size) : bufp(pool.get()) { resize(size); }
operator const ByteVector&() const { return buf(); }
operator ByteVector&() { return buf(); }
void resize(size_t new_size) { buf().resize(new_size); }
size_t size() const { return buf().size(); }
const uint8_t* data() const { return &buf()[0]; }
uint8_t* data() { return &buf()[0]; }
/** Erase the first n bytes */
void erase_first(size_t n) { buf().erase(buf().begin(), buf().begin() + n); }
template<typename InputIterator>
void append(InputIterator start, InputIterator end) { buf().insert(buf().end(), start, end); }
static void setDefaultBufferSize(size_t newSize) { defaultBufferSize = newSize; }
static size_t getDefaultBufferSize() { return defaultBufferSize; }
virtual ~Buffer() { pool.put(bufp); }
private:
static size_t defaultBufferSize;
const ByteVector& buf() const { return *bufp; }
ByteVector& buf() { return *bufp; }
ByteVector* bufp;
struct Clear {
ADCHPP_DLL void operator()(ByteVector& x);
};
ADCHPP_DLL static SimplePool<ByteVector, Clear> pool;
};
typedef shared_ptr<Buffer> BufferPtr;
typedef std::vector<BufferPtr> BufferList;
}
#endif /*BUFFER_H_*/