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/******************************************************************************
*
*
*
*
* Copyright (C) 1997-2001 by Dimitri van Heesch.
*
* Permission to use, copy, modify, and distribute this software and its
* documentation under the terms of the GNU General Public License is hereby
* granted. No representations are made about the suitability of this software
* for any purpose. It is provided "as is" without express or implied warranty.
* See the GNU General Public License for more details.
*
* Documents produced by Doxygen are derivative works derived from the
* input used in their production; they are not affected by this license.
*
*/
#ifndef _BUFSTR_H
#define _BUFSTR_H
#include "qtbc.h"
/*! String that can deal more efficiently with large large numbers
* of resizing.
*/
class BufStr : public QCString
{
public:
BufStr(int size) : QCString(size), offset(0), spareRoom(10240) {}
void addChar(char c)
{
if (offset>=size())
{
resize(size()+spareRoom);
}
data()[offset++]=c;
}
void addArray(const char *a,int len)
{
if (offset+len>=size())
{
resize(size()+len+spareRoom);
}
memcpy(data()+offset,a,len);
offset+=len;
}
uint curPos() { return offset; }
void skip(uint s)
{
if (offset+s>=size())
{
resize(size()+s+spareRoom);
}
offset+=s;
}
void resize( uint newlen )
{
QCString::resize(newlen);
if (offset>newlen)
{
offset=newlen;
}
}
private:
uint offset;
const int spareRoom; // 10Kb extra room to avoid frequent resizing
};
#endif
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