Libosmium  2.15.6
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 (https://osmcode.org/libosmium).
7 
8 Copyright 2013-2020 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 
38 
39 #include <cstddef>
40 #include <iterator>
41 
42 namespace osmium {
43 
44  namespace memory {
45  class Item;
46  } // namespace memory
47 
48  namespace io {
49 
50  template <typename TDest>
52 
53  TDest* m_destination;
54 
55  public:
56 
57  using iterator_category = std::output_iterator_tag;
58  using value_type = void;
59  using difference_type = void;
60  using pointer = void;
61  using reference = void;
62 
63  explicit OutputIterator(TDest& destination) :
64  m_destination(&destination) {
65  }
66 
73  OSMIUM_DEPRECATED OutputIterator(TDest& destination, const size_t buffer_size) :
74  m_destination(&destination) {
75  destination.set_buffer_size(buffer_size);
76  }
77 
84  m_destination->flush();
85  }
86 
88  (*m_destination)(item);
89  return *this;
90  }
91 
93  this->operator=(diff.curr());
94  return *this;
95  }
96 
97  OutputIterator& operator*() noexcept {
98  return *this;
99  }
100 
101  const OutputIterator& operator*() const noexcept {
102  return *this;
103  }
104 
106  return *this;
107  }
108 
109  OutputIterator operator++(int) const noexcept {
110  return *this;
111  }
112 
113  }; // class OutputIterator
114 
115  template <typename TDest>
117  return OutputIterator<TDest>{destination};
118  }
119 
126  template <typename TDest>
127  OSMIUM_DEPRECATED OutputIterator<TDest> make_output_iterator(TDest& destination, const size_t buffer_size) {
128  destination.set_buffer_size(buffer_size);
129  return OutputIterator<TDest>{destination};
130  }
131 
132  } // namespace io
133 
134 } // namespace osmium
135 
136 #endif // OSMIUM_IO_OUTPUT_ITERATOR_HPP
diff_object.hpp
OSMIUM_DEPRECATED
#define OSMIUM_DEPRECATED
Definition: compatibility.hpp:51
osmium::io::OutputIterator::iterator_category
std::output_iterator_tag iterator_category
Definition: output_iterator.hpp:57
osmium::io::OutputIterator::OutputIterator
OSMIUM_DEPRECATED OutputIterator(TDest &destination, const size_t buffer_size)
Definition: output_iterator.hpp:73
osmium::io::OutputIterator::operator*
OutputIterator & operator*() noexcept
Definition: output_iterator.hpp:97
osmium::io::make_output_iterator
OutputIterator< TDest > make_output_iterator(TDest &destination)
Definition: output_iterator.hpp:116
osmium::io::OutputIterator::value_type
void value_type
Definition: output_iterator.hpp:58
osmium::io::OutputIterator::OutputIterator
OutputIterator(TDest &destination)
Definition: output_iterator.hpp:63
osmium::io::OutputIterator::operator=
OutputIterator & operator=(const osmium::DiffObject &diff)
Definition: output_iterator.hpp:92
osmium::io::OutputIterator::operator=
OutputIterator & operator=(const osmium::memory::Item &item)
Definition: output_iterator.hpp:87
compatibility.hpp
osmium
Namespace for everything in the Osmium library.
Definition: assembler.hpp:53
osmium::memory::Item
Definition: item.hpp:105
osmium::io::OutputIterator
Definition: output_iterator.hpp:51
osmium::io::OutputIterator::reference
void reference
Definition: output_iterator.hpp:61
osmium::DiffObject::curr
const osmium::OSMObject & curr() const noexcept
Definition: diff_object.hpp:115
osmium::io::OutputIterator::operator++
OutputIterator operator++(int) const noexcept
Definition: output_iterator.hpp:109
osmium::DiffObject
Definition: diff_object.hpp:66
osmium::io::OutputIterator::m_destination
TDest * m_destination
Definition: output_iterator.hpp:53
osmium::io::OutputIterator::difference_type
void difference_type
Definition: output_iterator.hpp:59
osmium::io::OutputIterator::flush
OSMIUM_DEPRECATED void flush()
Definition: output_iterator.hpp:83
osmium::io::OutputIterator::pointer
void pointer
Definition: output_iterator.hpp:60
osmium::io::OutputIterator::operator*
const OutputIterator & operator*() const noexcept
Definition: output_iterator.hpp:101
osmium::io::OutputIterator::operator++
OutputIterator & operator++() noexcept
Definition: output_iterator.hpp:105