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/*-*-c++-*-
* $Id$
*
* This file is part of plptools.
*
* Copyright (C) 1999 Philip Proudman <philip.proudman@btinternet.com>
* Copyright (C) 1999-2001 Fritz Elfert <felfert@to.com>
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef _BUFFERARRAY_H_
#define _BUFFERARRAY_H_
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
class bufferStore;
/**
* An array of bufferStores
*/
class bufferArray {
public:
/**
* constructs a new bufferArray.
* A minimum of @ref ALLOC_MIN
* elements is allocated.
*/
bufferArray();
/**
* Constructs a new bufferArray.
*
* @param a The initial contents for this array.
*/
bufferArray(const bufferArray &a);
/**
* Destroys the bufferArray.
*/
~bufferArray();
/**
* Copys the bufferArray.
*/
bufferArray &operator =(const bufferArray &a);
/**
* Checks if this bufferArray is empty.
*
* @return true if the bufferArray is empty.
*/
bool empty() const;
/**
* Retrieves the bufferStore at given index.
*
* @return The bufferStore at index.
*/
bufferStore &operator [](const unsigned long index);
/**
* Appends a bufferStore to a bufferArray.
*
* @param s The bufferStore to be appended.
*
* @returns A new bufferArray with bufferStore appended to.
*/
bufferArray operator +(const bufferStore &s);
/**
* Concatenates two bufferArrays.
*
* @param a The bufferArray to be appended.
*
* @returns A new bufferArray consisting with a appended.
*/
bufferArray operator +(const bufferArray &a);
/**
* Appends a bufferStore to current instance.
*
* @param s The bufferStore to append.
*
* @returns A reference to the current instance with s appended.
*/
bufferArray &operator +=(const bufferStore &s);
/**
* Appends a bufferArray to current instance.
*
* @param a The bufferArray to append.
*
* @returns A reference to the current instance with a appended.
*/
bufferArray &operator +=(const bufferArray &a);
/**
* Removes the first bufferStore.
*
* @return The removed bufferStore.
*/
bufferStore pop(void);
/**
* Inserts a bufferStore at index 0.
*
* @param b The bufferStore to be inserted.
*/
void push(const bufferStore& b);
/**
* Appends a bufferStore.
*
* @param b The bufferStore to be appended.
*/
void append(const bufferStore& b);
/**
* Evaluates the current length.
*
* @return The current number of bufferStores
*/
long length(void);
/**
* Empties the bufferArray.
*/
void clear(void);
private:
/**
* Minimum number of bufferStores to
* allocate.
*/
static const long ALLOC_MIN = 5;
/**
* The current number of bufferStores in
* this bufferArray.
*/
long len;
/**
* The current number of bufferStores
* allocated.
*/
long lenAllocd;
/**
* The content.
*/
bufferStore* buff;
};
inline bool bufferArray::empty() const { return len == 0; }
#endif
/*
* Local variables:
* c-basic-offset: 4
* End:
*/
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