Libosmium  2.15.5
Fast and flexible C++ library for working with OpenStreetMap data
reader_with_progress_bar.hpp
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1 #ifndef OSMIUM_IO_READER_WITH_PROGRESS_BAR_HPP
2 #define OSMIUM_IO_READER_WITH_PROGRESS_BAR_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 
37 #include <osmium/io/reader.hpp>
38 #include <osmium/memory/buffer.hpp>
40 
41 namespace osmium {
42 
43  namespace io {
44 
49  class ReaderWithProgressBar : public Reader {
50 
52 
53  public:
54 
62  template <typename... TArgs>
63  ReaderWithProgressBar(bool enable, TArgs&&... args) :
64  Reader(std::forward<TArgs>(args)...),
65  m_progress_bar(file_size(), enable) {
66  }
67 
73  auto buffer = Reader::read();
74  if (buffer) {
76  } else {
78  }
79  return buffer;
80  }
81 
83  ProgressBar& progress_bar() noexcept {
84  return m_progress_bar;
85  }
86 
87  }; // class ReaderWithProgressBar
88 
91  }
92 
95  }
96 
97  } // namespace io
98 
99 } // namespace osmium
100 
101 #endif // OSMIUM_IO_READER_WITH_PROGRESS_BAR_HPP
osmium::io::Reader::offset
std::size_t offset() const noexcept
Definition: reader.hpp:454
osmium::io::ReaderWithProgressBar::progress_bar
ProgressBar & progress_bar() noexcept
Get the underlying ProgressBar object.
Definition: reader_with_progress_bar.hpp:83
osmium::ProgressBar::done
void done()
Definition: progress_bar.hpp:179
reader.hpp
progress_bar.hpp
osmium::memory::Buffer
Definition: buffer.hpp:97
osmium::ProgressBar::update
void update(std::size_t current_size)
Definition: progress_bar.hpp:150
osmium::ProgressBar
Definition: progress_bar.hpp:46
osmium::io::begin
InputIterator< Reader > begin(Reader &reader)
Definition: reader_iterator.hpp:43
osmium::io::ReaderWithProgressBar
Definition: reader_with_progress_bar.hpp:49
osmium
Namespace for everything in the Osmium library.
Definition: assembler.hpp:53
osmium::io::Reader::read
osmium::memory::Buffer read()
Definition: reader.hpp:374
osmium::io::ReaderWithProgressBar::read
osmium::memory::Buffer read()
Definition: reader_with_progress_bar.hpp:72
osmium::io::Reader::file_size
std::size_t file_size() const noexcept
Definition: reader.hpp:436
osmium::io::InputIterator
Definition: input_iterator.hpp:55
osmium::io::ReaderWithProgressBar::ReaderWithProgressBar
ReaderWithProgressBar(bool enable, TArgs &&... args)
Definition: reader_with_progress_bar.hpp:63
std
Definition: location.hpp:551
osmium::io::ReaderWithProgressBar::m_progress_bar
ProgressBar m_progress_bar
Definition: reader_with_progress_bar.hpp:51
osmium::io::Reader
Definition: reader.hpp:90
buffer.hpp
input_iterator.hpp
osmium::io::end
InputIterator< Reader > end(Reader &)
Definition: reader_iterator.hpp:47