sddspp_read_demo.cc File Reference

Detailed Description

Demonstrates generic SDDS++ layout and page inspection.

This is the C++ counterpart of SDDSlib/demo/sdds_read_demo.c. It reads any supported SDDS file and prints its parameters, arrays, and columns.

Copyright

• (c) 2026 The University of Chicago

License

This file is distributed under the terms of the Software License Agreement found in the file LICENSE included with this distribution.

Definition in file sddspp_read_demo.cc.

#include "SDDS.hpp"
#include <exception>
#include <filesystem>
#include <iomanip>
#include <iostream>
#include <string>
#include <type_traits>
#include <variant>

Go to the source code of this file.

Functions
int	main (int argc, char **argv)
	Reads and displays an SDDS file.

Function Documentation

main()

int main	(	int	argc,
		char **	argv )

Reads and displays an SDDS file.

Parameters

argc	Argument count.
argv	Argument vector containing the input filename.

Returns

Zero on success, nonzero on failure.

Definition at line 92 of file sddspp_read_demo.cc.

                                {
  if (argc != 2) {
    std::cerr << "usage: " << argv[0] << " input.sdds\n";
    return 1;
  }
 
  const std::filesystem::path input = argv[1];
  try {
    auto reader = sdds::Reader::open(input);
    const auto &layout = reader.layout();
    std::cout << "SDDS version " << layout.version << ", "
              << (layout.data.mode == sdds::DataMode::Ascii ? "ASCII" : "binary")
              << " data\n";
    while (auto page = reader.next())
      printPage(*page);
    reader.close();
  } catch (const std::exception &error) {
    std::cerr << "Unable to read " << input << ": " << error.what() << '\n';
    return 1;
  }
  return 0;
}