/usr/include/CGAL/circulator_bases.h is in libcgal-dev 4.11-2build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 | // Copyright (c) 1997
// Utrecht University (The Netherlands),
// ETH Zurich (Switzerland),
// INRIA Sophia-Antipolis (France),
// Max-Planck-Institute Saarbruecken (Germany),
// and Tel-Aviv University (Israel). All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 3 of the License,
// or (at your option) any later version.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL$
// $Id$
//
//
// Author(s) : Lutz Kettner <kettner@inf.ethz.ch>
#ifndef CGAL_CIRCULATOR_BASES_H
#define CGAL_CIRCULATOR_BASES_H 1
#include <cstddef>
#include <iterator>
namespace CGAL {
struct Circulator_tag {}; // any circulator.
struct Iterator_tag {}; // any iterator.
// conversion operators instead of inheritance to avoid ambiguous
// bases. we have to repeat all possible conversion so we don't run
// into a multiple user-defined conversions, problem.
struct Forward_circulator_tag
: public std::forward_iterator_tag
{};
struct Bidirectional_circulator_tag
: public std::bidirectional_iterator_tag
{
operator Forward_circulator_tag() const { return Forward_circulator_tag(); }
};
struct Random_access_circulator_tag
: public std::random_access_iterator_tag
{
operator Bidirectional_circulator_tag() const { return Bidirectional_circulator_tag(); }
operator Forward_circulator_tag() const { return Forward_circulator_tag(); }
};
template <typename Tag, typename T, typename Distance = std::ptrdiff_t,
/* size is so awkwardly placed to faciliate using the
* default arguments from the derived classes */
typename Size = std::size_t, typename Pointer = T*,
typename Reference = T&>
struct Circulator_base {
typedef Tag iterator_category;
typedef T value_type;
typedef Distance difference_type;
typedef Pointer pointer;
typedef Reference reference;
typedef Size size_type;
};
template <class T, class Dist = std::ptrdiff_t, class Size = std::size_t>
struct Forward_circulator_base
: Circulator_base<Forward_circulator_tag, T, Dist, Size> {};
template <class T, class Dist = std::ptrdiff_t, class Size = std::size_t>
struct Bidirectional_circulator_base
: Circulator_base<Bidirectional_circulator_tag, T, Dist, Size> {};
template <class T, class Dist = std::ptrdiff_t, class Size = std::size_t>
struct Random_access_circulator_base
: Circulator_base<Random_access_circulator_tag, T, Dist, Size> {};
// variant base classes
// ---------------------
template <class T, class Dist = std::ptrdiff_t, class Size = std::size_t>
class Forward_circulator_ptrbase // forward circulator.
{
protected:
void* _ptr;
public:
typedef Forward_circulator_tag iterator_category;
typedef T value_type;
typedef Dist difference_type;
typedef Size size_type;
typedef T* pointer;
typedef T& reference;
Forward_circulator_ptrbase() : _ptr(NULL) {}
Forward_circulator_ptrbase(void* p) : _ptr(p) {}
};
template <class T, class Dist = std::ptrdiff_t, class Size = std::size_t>
class Bidirectional_circulator_ptrbase // bidirectional circulator.
{
protected:
void* _ptr;
public:
typedef Bidirectional_circulator_tag iterator_category;
typedef T value_type;
typedef Dist difference_type;
typedef Size size_type;
typedef T* pointer;
typedef T& reference;
Bidirectional_circulator_ptrbase() : _ptr(NULL) {}
Bidirectional_circulator_ptrbase(void* p) : _ptr(p) {}
};
template <class T, class Dist = std::ptrdiff_t, class Size = std::size_t>
class Random_access_circulator_ptrbase // random access circulator.
{
protected:
void* _ptr;
public:
typedef Random_access_circulator_tag iterator_category;
typedef T value_type;
typedef Dist difference_type;
typedef Size size_type;
typedef T* pointer;
typedef T& reference;
Random_access_circulator_ptrbase() : _ptr(NULL) {}
Random_access_circulator_ptrbase(void* p) : _ptr(p) {}
};
} //namespace CGAL
#endif // CGAL_CIRCULATOR_BASES_H //
// EOF //
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