---

skStringBuffer.h

/*
  Copyright 1996-2003
  Simon Whiteside

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library 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
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

* $Id: skStringBuffer_8h-source.html,v 1.6 2004/12/17 21:31:15 sdw Exp $
*/


#ifndef skSTRINGBUFFER_H
#define skSTRINGBUFFER_H

#include "skString.h"

class skStringBuffer 
#ifdef __SYMBIAN32__
: public CBase
#endif
{
 public:
  inline skStringBuffer(USize capacity,USize growth_increment=16);
#ifndef __SYMBIAN32__

  IMPORT_C skStringBuffer(const skString& s,USize growth_increment=16);
  IMPORT_C skStringBuffer(const skStringBuffer& s);
#endif

  IMPORT_C virtual ~skStringBuffer();
  IMPORT_C skStringBuffer& operator=(const skStringBuffer& s);
  IMPORT_C void append(Char ch);
  IMPORT_C void append(const skString& s);
  IMPORT_C void append(const Char * s);
#ifdef __SYMBIAN32__

  IMPORT_C void append(const TDesC& s);
#endif

  IMPORT_C skString toString() ;
  IMPORT_C skString toStringCopy() const;
#ifdef __SYMBIAN32__

  inline TPtrC ptr() const;
#else

  IMPORT_C operator const Char * () const;
#endif

  inline void reset();
  inline USize length() const;
  inline USize capacity() const;
 private:
  void ensureCapacity(USize capacity);
  Char * m_Buffer;
  USize m_Length;
  USize m_Capacity;
  USize m_GrowthIncrement;
};

//---------------------------------------------------
inline skStringBuffer::skStringBuffer(USize length,USize growth_increment)
//---------------------------------------------------
  : m_Buffer(0),m_Length(0),m_Capacity(length+1),m_GrowthIncrement(growth_increment)
{
}
//---------------------------------------------------
inline USize skStringBuffer::length() const
//---------------------------------------------------
{
  return m_Length;
}
//---------------------------------------------------
inline USize skStringBuffer::capacity() const
//---------------------------------------------------
{
  return m_Capacity;
}
//---------------------------------------------------
inline void skStringBuffer::reset()
//---------------------------------------------------
{
  m_Length=0;
  if (m_Buffer)
    m_Buffer[0]=0;
}
#ifdef __SYMBIAN32__
//---------------------------------------------------
inline TPtrC skStringBuffer::ptr() const 
//---------------------------------------------------
{
  if (m_Buffer)
    return TPtrC((const TUint16 *)(m_Buffer),m_Length);
  else
    return TPtrC();
}
#endif
#endif

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