OpenStructure
range.hh
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1 //------------------------------------------------------------------------------
2 // This file is part of the OpenStructure project <www.openstructure.org>
3 //
4 // Copyright (C) 2008-2011 by the OpenStructure authors
5 //
6 // This library is free software; you can redistribute it and/or modify it under
7 // the terms of the GNU Lesser General Public License as published by the Free
8 // Software Foundation; either version 3.0 of the License, or (at your option)
9 // any later version.
10 // This library is distributed in the hope that it will be useful, but WITHOUT
11 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12 // FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
13 // details.
14 //
15 // You should have received a copy of the GNU Lesser General Public License
16 // along with this library; if not, write to the Free Software Foundation, Inc.,
17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 //------------------------------------------------------------------------------
19 #ifndef OST_RANGE_HH
20 #define OST_RANGE_HH
21 
22 #include <ost/module_config.hh> // for size_t, npos
23 
24 namespace ost {
25 
26 struct Range
27 {
28  size_t Loc;
29  size_t Length;
31  : Loc(String::npos), Length(0)
32  { }
33 
34  Range(size_t loc,size_t len)
35  : Loc(loc), Length(len)
36  { }
37 
38  size_t End() const
39  { return Loc+Length; }
40 
41  bool operator==(const Range& rhs) const
42  {
43  return Loc==rhs.Loc && Length==rhs.Length;
44  }
45  bool operator!=(const Range& rhs) const
46  {
47  return !this->operator==(rhs);
48  }
49 };
50 
51 } // ost
52 #endif