Libosmium  2.7.2
Fast and flexible C++ library for working with OpenStreetMap data
output_iterator.hpp
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1 #ifndef OSMIUM_IO_OUTPUT_ITERATOR_HPP
2 #define OSMIUM_IO_OUTPUT_ITERATOR_HPP
3 
4 /*
5 
6 This file is part of Osmium (http://osmcode.org/libosmium).
7 
8 Copyright 2013-2016 Jochen Topf <jochen@topf.org> and others (see README).
9 
10 Boost Software License - Version 1.0 - August 17th, 2003
11 
12 Permission is hereby granted, free of charge, to any person or organization
13 obtaining a copy of the software and accompanying documentation covered by
14 this license (the "Software") to use, reproduce, display, distribute,
15 execute, and transmit the Software, and to prepare derivative works of the
16 Software, and to permit third-parties to whom the Software is furnished to
17 do so, all subject to the following:
18 
19 The copyright notices in the Software and this entire statement, including
20 the above license grant, this restriction and the following disclaimer,
21 must be included in all copies of the Software, in whole or in part, and
22 all derivative works of the Software, unless such copies or derivative
23 works are solely in the form of machine-executable object code generated by
24 a source language processor.
25 
26 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
27 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
28 FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
29 SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
30 FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
31 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
32 DEALINGS IN THE SOFTWARE.
33 
34 */
35 
36 #include <cstddef>
37 #include <iterator>
38 #include <memory>
39 #include <utility>
40 
41 #include <osmium/memory/buffer.hpp>
44 
45 namespace osmium {
46 
47  namespace memory {
48  class Item;
49  } // namespace memory
50 
51  namespace io {
52 
53  template <typename TDest>
55 
56  TDest* m_destination;
57 
58  public:
59 
60  using iterator_category = std::output_iterator_tag;
61  using value_type = void;
62  using difference_type = void;
63  using pointer = void;
64  using reference = void;
65 
66  explicit OutputIterator(TDest& destination) :
67  m_destination(&destination) {
68  }
69 
76  OSMIUM_DEPRECATED OutputIterator(TDest& destination, const size_t buffer_size) :
77  m_destination(&destination) {
78  destination.set_buffer_size(buffer_size);
79  }
80 
81  OutputIterator(const OutputIterator&) = default;
82  OutputIterator(OutputIterator&&) = default;
83 
84  OutputIterator& operator=(const OutputIterator&) = default;
85  OutputIterator& operator=(OutputIterator&&) = default;
86 
87  ~OutputIterator() = default;
88 
95  m_destination->flush();
96  }
97 
99  (*m_destination)(item);
100  return *this;
101  }
102 
104  return this->operator=(diff.curr());
105  }
106 
108  return *this;
109  }
110 
112  return *this;
113  }
114 
116  return *this;
117  }
118 
119  }; // class OutputIterator
120 
121  template <typename TDest>
123  return OutputIterator<TDest>{destination};
124  }
125 
132  template <typename TDest>
133  OSMIUM_DEPRECATED OutputIterator<TDest> make_output_iterator(TDest& destination, const size_t buffer_size) {
134  destination.set_buffer_size(buffer_size);
135  return OutputIterator<TDest>{destination};
136  }
137 
138  } // namespace io
139 
140 } // namespace osmium
141 
142 #endif // OSMIUM_IO_OUTPUT_ITERATOR_HPP
OutputIterator(TDest &destination)
Definition: output_iterator.hpp:66
OutputIterator & operator=(const osmium::DiffObject &diff)
Definition: output_iterator.hpp:103
void reference
Definition: output_iterator.hpp:64
#define OSMIUM_DEPRECATED
Definition: compatibility.hpp:50
OSMIUM_DEPRECATED OutputIterator(TDest &destination, const size_t buffer_size)
Definition: output_iterator.hpp:76
TDest * m_destination
Definition: output_iterator.hpp:56
Definition: diff_object.hpp:63
Definition: output_iterator.hpp:54
void difference_type
Definition: output_iterator.hpp:62
void pointer
Definition: output_iterator.hpp:63
Definition: item.hpp:97
Namespace for everything in the Osmium library.
Definition: assembler.hpp:66
OutputIterator & operator++(int)
Definition: output_iterator.hpp:115
OSMIUM_DEPRECATED OutputIterator< TDest > make_output_iterator(TDest &destination, const size_t buffer_size)
Definition: output_iterator.hpp:133
OutputIterator & operator*()
Definition: output_iterator.hpp:107
std::output_iterator_tag iterator_category
Definition: output_iterator.hpp:60
const osmium::OSMObject & curr() const noexcept
Definition: diff_object.hpp:116
void value_type
Definition: output_iterator.hpp:61
OSMIUM_DEPRECATED void flush()
Definition: output_iterator.hpp:94
OutputIterator & operator=(const osmium::memory::Item &item)
Definition: output_iterator.hpp:98
OutputIterator & operator++()
Definition: output_iterator.hpp:111