# string_base.h

    00001 /* $Id: string_base.h 25653 2013-08-05 20:35:31Z michi_cc $ */
    00002
    00003 /*
    00004  * This file is part of OpenTTD.
    00005  * OpenTTD 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, version 2.
    00006  * OpenTTD 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.
    00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
    00008  */
    00009
    00010 #ifndef STRING_BASE_H
    00011 #define STRING_BASE_H
    00012
    00013 #include "string_type.h"
    00014
    00016 class StringIterator {
    00017 public:
    00019   enum IterType {
    00020     ITER_CHARACTER,
    00021     ITER_WORD,
    00022   };
    00023
    00025   static const size_t END = SIZE_MAX;
    00026
    00031   static StringIterator *Create();
    00032
    00033   virtual ~StringIterator() {}
    00034
    00040   virtual void SetString(const char *s) = 0;
    00041
    00048   virtual size_t SetCurPosition(size_t pos) = 0;
    00049
    00054   virtual size_t Next(IterType what = ITER_CHARACTER) = 0;
    00055
    00060   virtual size_t Prev(IterType what = ITER_CHARACTER) = 0;
    00061
    00062 protected:
    00063   StringIterator() {}
    00064 };
    00065
    00066 #endif /* STRING_BASE_H */