dds-custom-cmd/src/Options.h

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// Copyright 2014 GSI, Inc. All rights reserved.
//
//
//
#ifndef DDSOPTIONS_H
#define DDSOPTIONS_H
//=============================================================================
// BOOST
#include <boost/program_options/options_description.hpp>
#include <boost/program_options/parsers.hpp>
// DDS
#include "ProtocolCommands.h"
#include "Version.h"
// STD
#include <string>
//=============================================================================
namespace bpo = boost::program_options;
//=============================================================================
namespace dds
{
    namespace custom_cmd
    {
        typedef struct SOptions
        {
            SOptions()
                : m_sCmd()
                , m_sCondition()
            {
            }

            std::string m_sCmd;
            std::string m_sCondition;
        } SOptions_t;

        // Command line parser
        inline bool ParseCmdLine(int _argc, char* _argv[], SOptions* _options)
        {
            if (nullptr == _options)
                throw std::runtime_error("Internal error: options' container is empty.");

            // Generic options
            bpo::options_description options("dds-custom-cmd options");
            options.add_options()("help,h", "Produce help message");
            options.add_options()("version,v", "Version information");
            options.add_options()(
                "condition,t", bpo::value<std::string>(&_options->m_sCondition), "Condition to be applied to a task.");
            options.add_options()("cmd,c", bpo::value<std::string>(&_options->m_sCmd), "Command to be sent to task.");

            // Parsing command-line
            bpo::variables_map vm;
            bpo::store(bpo::command_line_parser(_argc, _argv).options(options).run(), vm);
            bpo::notify(vm);

            if (vm.count("help") || vm.empty())
            {
                LOG(dds::misc::log_stdout) << options;
                return false;
            }
            if (vm.count("version"))
            {
                LOG(dds::misc::log_stdout) << dds::misc::DDSVersionInfoString();
                return false;
            }

            if (!vm.count("cmd"))
            {
                LOG(dds::misc::log_stdout) << "Option cmd must be provided.";
                return false;
            }

            return true;
        }
    } // namespace custom_cmd
} // namespace dds
#endif