KviDataBuffer.h

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#ifndef _KVI_DATABUFFER_H_
#define _KVI_DATABUFFER_H_
//=============================================================================
//
//   File : KviDataBuffer.h
//   Creation date : Thu Aug 23 17:04:25 2001 GMT by Szymon Stefanek
//
//   This file is part of the KVIrc IRC client distribution
//   Copyright (C) 2001 Szymon Stefanek (pragma at kvirc dot net)
//
//   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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
//=============================================================================

#include "kvi_settings.h"
#include "KviHeapObject.h"

class KVILIB_API KviDataBuffer : public KviHeapObject
{
public:
        // uSize MUST be greater than 0
        // if data is non-zero, it MUST point to a buffer at least uSize bytes long
        // and the data is COPIED from that buffer!
        KviDataBuffer(int uSize, const unsigned char * data = 0);
        KviDataBuffer();
        ~KviDataBuffer();

private:
        int m_uSize;
        unsigned char * m_pData;

public:
        int size() const { return m_uSize; };
        unsigned char * data() const { return m_pData; };
        // uSize MUST be smaller or equal to size()
        // consumes data!
        void remove(int uSize);
        void clear()
        {
                if(m_uSize > 0)
                        remove(m_uSize);
        };
        // uSize MUST be greater than 0
        void resize(int uSize);
        void addSize(int uSize) { resize(m_uSize + uSize); };
        void append(const unsigned char * data, int uSize);
        void append(const KviDataBuffer & b) { append(b.data(), b.size()); };
        int find(unsigned char c);
        int find(const unsigned char * block, int uSize);
};

#endif //_KVI_DATABUFFER_H_