std::unique_ptr<osmium::io::detail::OutputFormat> create_output(const osmium::io::File& file, data_queue_type& output_queue) {
file.check();
auto it = m_callbacks.find(file.format());
if (it != m_callbacks.end()) {
return std::unique_ptr<osmium::io::detail::OutputFormat>((it->second)(file, output_queue));
}
throw std::runtime_error(std::string("Support for output format '") + as_string(file.format()) + "' not compiled into this binary.");
}
std::unique_ptr<osmium::io::detail::InputFormat> create_input(const osmium::io::File& file, osmium::osm_entity_bits::type read_which_entities, osmium::thread::Queue<std::string>& input_queue) {
file.check();
auto it = m_callbacks.find(file.format());
if (it != m_callbacks.end()) {
return std::unique_ptr<osmium::io::detail::InputFormat>((it->second)(file, read_which_entities, input_queue));
}
throw std::runtime_error(std::string("Support for input format '") + as_string(file.format()) + "' not compiled into this binary.");
}
/**
* Create new Reader object.
*
* @param file The file we want to open.
* @param read_which_entities Which OSM entities (nodes, ways, relations, and/or changesets)
* should be read from the input file. It can speed the read up
* significantly if objects that are not needed anyway are not
* parsed.
*/
explicit Reader(const osmium::io::File& file, osmium::osm_entity_bits::type read_which_entities = osmium::osm_entity_bits::all) :
m_file(file.check()),
m_read_which_entities(read_which_entities),
m_status(status::okay),
m_childpid(0),
m_input_queue(max_input_queue_size, "raw_input"),
m_decompressor(m_file.buffer() ?
osmium::io::CompressionFactory::instance().create_decompressor(file.compression(), m_file.buffer(), m_file.buffer_size()) :
osmium::io::CompressionFactory::instance().create_decompressor(file.compression(), open_input_file_or_url(m_file.filename(), &m_childpid))),
m_read_thread_manager(*m_decompressor, m_input_queue),
m_osmdata_queue(max_osmdata_queue_size, "parser_results"),
m_osmdata_queue_wrapper(m_osmdata_queue),
m_header_future(),
m_header(),
m_thread() {
std::promise<osmium::io::Header> header_promise;
m_header_future = header_promise.get_future();
m_thread = osmium::thread::thread_handler{parser_thread, std::ref(m_file), std::ref(m_input_queue), std::ref(m_osmdata_queue), std::move(header_promise), read_which_entities};
}