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reader_with_progress_bar.hpp
Go to the documentation of this file.
#ifndef OSMIUM_IO_READER_WITH_PROGRESS_BAR_HPP
#define OSMIUM_IO_READER_WITH_PROGRESS_BAR_HPP
/*
This file is part of Osmium (https://osmcode.org/libosmium).
Copyright 2013-2026 Jochen Topf <jochen@topf.org> and others (see README).
Boost Software License - Version 1.0 - August 17th, 2003
Permission is hereby granted, free of charge, to any person or organization
obtaining a copy of the software and accompanying documentation covered by
this license (the "Software") to use, reproduce, display, distribute,
execute, and transmit the Software, and to prepare derivative works of the
Software, and to permit third-parties to whom the Software is furnished to
do so, all subject to the following:
The copyright notices in the Software and this entire statement, including
the above license grant, this restriction and the following disclaimer,
must be included in all copies of the Software, in whole or in part, and
all derivative works of the Software, unless such copies or derivative
works are solely in the form of machine-executable object code generated by
a source language processor.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
*/
#include <osmium/io/input_iterator.hpp>
#include <osmium/io/reader.hpp>
#include <osmium/memory/buffer.hpp>
#include <osmium/util/progress_bar.hpp>
namespace osmium {
namespace io {
class ReaderWithProgressBar : public Reader {
ProgressBar m_progress_bar;
public:
template <typename... TArgs>
explicit ReaderWithProgressBar(bool enable, TArgs&&... args) :
Reader(std::forward<TArgs>(args)...),
m_progress_bar(file_size(), enable) {
}
osmium::memory::Buffer read() {
auto buffer = Reader::read();
if (buffer) {
m_progress_bar.update(offset());
} else {
m_progress_bar.done();
}
return buffer;
}
ProgressBar& progress_bar() noexcept {
return m_progress_bar;
}
}; // class ReaderWithProgressBar
inline InputIterator<ReaderWithProgressBar> begin(ReaderWithProgressBar& reader) {
return InputIterator<ReaderWithProgressBar>(reader);
}
inline InputIterator<ReaderWithProgressBar> end(ReaderWithProgressBar& /*reader*/) {
return {};
}
} // namespace io
} // namespace osmium
#endif // OSMIUM_IO_READER_WITH_PROGRESS_BAR_HPP
buffer.hpp
osmium::ProgressBar
Definition progress_bar.hpp:46
osmium::io::InputIterator
Definition input_iterator.hpp:55
osmium::io::ReaderWithProgressBar
Definition reader_with_progress_bar.hpp:49
osmium::io::ReaderWithProgressBar::ReaderWithProgressBar
ReaderWithProgressBar(bool enable, TArgs &&... args)
Definition reader_with_progress_bar.hpp:63
osmium::io::ReaderWithProgressBar::progress_bar
ProgressBar & progress_bar() noexcept
Get the underlying ProgressBar object.
Definition reader_with_progress_bar.hpp:83
osmium::io::ReaderWithProgressBar::read
osmium::memory::Buffer read()
Definition reader_with_progress_bar.hpp:72
osmium::io::ReaderWithProgressBar::m_progress_bar
ProgressBar m_progress_bar
Definition reader_with_progress_bar.hpp:51
osmium::io::Reader::read
osmium::memory::Buffer read()
Definition reader.hpp:444
osmium::io::Reader::Reader
Reader(const osmium::io::File &file, TArgs &&... args)
Definition reader.hpp:319
osmium::io::Reader::file_size
std::size_t file_size() const noexcept
Definition reader.hpp:506
osmium::io::Reader::offset
std::size_t offset() const noexcept
Definition reader.hpp:524
input_iterator.hpp
osmium::io
Everything related to input and output of OSM data.
Definition bzip2_compression.hpp:86
osmium::io::end
InputIterator< Reader > end(Reader &)
Definition reader_iterator.hpp:47
osmium::io::begin
InputIterator< Reader > begin(Reader &reader)
Definition reader_iterator.hpp:43
osmium
Namespace for everything in the Osmium library.
Definition assembler.hpp:53
std
Definition location.hpp:654
progress_bar.hpp
reader.hpp