Buffer.h

Go to the documentation of this file.
00001 /*
00002  * Copyright (C) 2006-2010 Jacek Sieka, arnetheduck on gmail point com
00003  *
00004  * This program is free software; you can redistribute it and/or modify
00005  * it under the terms of the GNU General Public License as published by
00006  * the Free Software Foundation; either version 2 of the License, or
00007  * (at your option) any later version.
00008  *
00009  * This program is distributed in the hope that it will be useful,
00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012  * GNU General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU General Public License
00015  * along with this program; if not, write to the Free Software
00016  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00017  */
00018 
00019 #ifndef BUFFER_H_
00020 #define BUFFER_H_
00021 
00022 #include "Pool.h"
00023 #include "FastAlloc.h"
00024 
00025 namespace adchpp {
00026 
00030 class Buffer :
00031     public FastAlloc<Buffer>,
00032     private boost::noncopyable
00033 {
00034 public:
00035     Buffer(const std::string& str) : bufp(pool.get()) { append((uint8_t*)str.data(), (uint8_t*)str.data() + str.size()); }
00036     Buffer(const void* ptr, const size_t size) : bufp(pool.get()) { append((uint8_t*) ptr, ((uint8_t*)ptr)+size); }
00037     Buffer(const size_t size) : bufp(pool.get()) { resize(size); }
00038 
00039     operator const ByteVector&() const { return buf(); }
00040     operator ByteVector&() { return buf(); }
00041 
00042     void resize(size_t new_size) { buf().resize(new_size); }
00043     size_t size() const { return buf().size(); }
00044     const uint8_t* data() const { return &buf()[0]; }
00045     uint8_t* data() { return &buf()[0]; }
00046 
00048     void erase_first(size_t n) { buf().erase(buf().begin(), buf().begin() + n); }
00049 
00050     template<typename InputIterator>
00051     void append(InputIterator start, InputIterator end) { buf().insert(buf().end(), start, end); }
00052 
00053     static void setDefaultBufferSize(size_t newSize) { defaultBufferSize = newSize; }
00054     static size_t getDefaultBufferSize() { return defaultBufferSize; }
00055 
00056     virtual ~Buffer() { pool.put(bufp); }
00057 private:
00058     static size_t defaultBufferSize;
00059 
00060     const ByteVector& buf() const { return *bufp; }
00061     ByteVector& buf() { return *bufp; }
00062 
00063     ByteVector* bufp;
00064 
00065     struct Clear {
00066         ADCHPP_DLL void operator()(ByteVector& x);
00067     };
00068 
00069     ADCHPP_DLL static SimplePool<ByteVector, Clear> pool;
00070 };
00071 
00072 typedef shared_ptr<Buffer> BufferPtr;
00073 typedef std::vector<BufferPtr> BufferList;
00074 
00075 }
00076 
00077 #endif /*BUFFER_H_*/
Generated on Sat Nov 27 23:37:53 2010 for adchpp by  doxygen 1.6.3