AppOptions.h

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//  ************************************************************************************************
//
//  BornAgain: simulate and fit reflection and scattering
//
//! @file      App/AppOptions.h
//! @brief     Collection of utilities to parse command line options
//!
//! @homepage  http://www.bornagainproject.org
//! @license   GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors   Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
//  ************************************************************************************************
 
#ifndef BORNAGAIN_APP_APPOPTIONS_H
#define BORNAGAIN_APP_APPOPTIONS_H
 
#include <boost/program_options/options_description.hpp>
#include <boost/program_options/positional_options.hpp>
#include <boost/program_options/variables_map.hpp>
 
#include <string>
 
class QSize;
 
namespace bpo = boost::program_options;
 
//! @class ApplicationOptions
//! @brief Handles command line and config file program options
 
class ApplicationOptions {
public:
    ApplicationOptions(int argc = 0, char** argv = 0);
 
    //! access to variable with given name defined in variables container
    const bpo::variable_value& operator[](const std::string& s) const;
 
    QSize mainWindowSize() const;
 
    bool disableHighDPISupport() const;
 
    //! Returns true if option with given name has been set
    bool find(std::string name) const;
 
private:
    //! Parses command line arguments
    void parseCommandLine(int argc, char** argv);
 
    //! Returns reference to the variables container
    bpo::variables_map& getVariables();
 
    //! Returns reference to the options description
    bpo::options_description& getOptions();
 
    void processOptions();
 
    //! true if options are consistent (no conflicts, no --help request)
    bool m_options_is_consistent;
    //! options description, to be filled with add() from different program modules
    bpo::options_description m_options;
    //! positional options description, to be filled with addPositional() from main module
    bpo::positional_options_description m_positional_options;
    bpo::variables_map m_variables_map; //! parsed variables
};
 
#endif // BORNAGAIN_APP_APPOPTIONS_H