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// emacs: -*- c++ -*-
// file: SC_StringBuffer.h
// copyright: 2003 stefan kersten <steve@k-hornz.de>
// cvs: $Id$
// 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
#pragma once
#include <stdarg.h>
#include <stdlib.h>
// =====================================================================
// SC_StringBuffer - Autogrowing string buffer.
// =====================================================================
class SC_StringBuffer {
public:
SC_StringBuffer(size_t initialSize = 0);
SC_StringBuffer(const SC_StringBuffer& other);
~SC_StringBuffer();
size_t getCapacity() const { return mCapacity; }
size_t getSize() const { return mPtr - mData; }
size_t getRemaining() const { return mCapacity - getSize(); }
char* getData() const { return mData; }
bool isEmpty() const { return getSize() == 0; }
void finish() { append('\0'); }
void reset() { mPtr = mData; }
void append(const char* src, size_t len);
void append(char c);
void append(const char* str);
void vappendf(const char* fmt, va_list vargs);
void appendf(const char* fmt, ...);
protected:
enum { kGrowAlign = 256, kGrowMask = kGrowAlign - 1 };
void growBy(size_t request);
private:
size_t mCapacity;
char* mPtr;
char* mData;
};
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