File indexing completed on 2024-04-28 16:08:39

0001 /***************************************************************************
0002  *   Copyright (C) 2014 by Linuxstopmotion contributors;                   *
0003  *   see the AUTHORS file for details.                                     *
0004  *                                                                         *
0005  *   This program is free software; you can redistribute it and/or modify  *
0006  *   it under the terms of the GNU General Public License as published by  *
0007  *   the Free Software Foundation; either version 2 of the License, or     *
0008  *   (at your option) any later version.                                   *
0009  *                                                                         *
0010  *   This program is distributed in the hope that it will be useful,       *
0011  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
0012  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
0013  *   GNU General Public License for more details.                          *
0014  *                                                                         *
0015  *   You should have received a copy of the GNU General Public License     *
0016  *   along with this program; if not, write to the                         *
0017  *   Free Software Foundation, Inc.,                                       *
0018  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
0019  ***************************************************************************/
0020 
0021 #ifndef STRINGITERATOR_H_
0022 #define STRINGITERATOR_H_
0023 
0024 class StringIterator {
0025 public:
0026     virtual ~StringIterator();
0027     /**
0028      * The total number of elements in the iteration. After this call the
0029      * iteration is permitted to be at the start of the iteration or where
0030      * you left it, so it is safest to call this only when {@ref next} has
0031      * never been called.
0032      */
0033     virtual int count() = 0;
0034     /**
0035      * Have we reached the end of the iteration?
0036      * @return {@c false} if {@ref next} can be called.
0037      */
0038     virtual bool atEnd() const = 0;
0039     /**
0040      * The current value. Behaviour is undefined if {@ref atEnd} returned
0041      * {@c true} (or would have done if called).
0042      * @return The string. Ownership is not passed. The returned memory is not
0043      * guaranteed to exist beyond the next call to {@ref next}.
0044      */
0045     virtual const char* get() const = 0;
0046     /**
0047      * Move to the next value. Behaviour is undefined if {@ref atEnd} returned
0048      * {@c true} (or would have done if called).
0049      */
0050     virtual void next() = 0;
0051 };
0052 
0053 #endif /* STRINGITERATOR_H_ */