D:/C++/Visualisierung/vislab/src/Arguments.h

#pragma once

#include "common.h"
#include <iostream>
#include <map>


// Utility class for accessing command-line arguments, ignores everything apart from "-<optionname> <optionvalue>
class Arguments
{
        friend std::ostream & operator << (std::ostream & os, const Arguments & argArguments);

public:
        Arguments(int argc = 0, char **argv = NULL) : m_strApplicationFilename("VisLuFramework.exe")
        {
                if (argc > 0)
                {
                        m_strApplicationFilename = argv[0];

                        for (int i=1;i<argc;i++)
                        {
                                const std::string strArgument = trim(argv[i]);

                                if (strArgument.size() > 1)
                                {
                                        if (strArgument[0] == '-')
                                        {
                                                const std::string strOptionName = trim(strArgument.substr(1,strArgument.size()-1));

                                                if (i < argc-1)
                                                {
                                                        const std::string strOptionValue = trim(argv[i+1]);
                                                        m_mapOptions[strOptionName] = strOptionValue;
                                                        i++;
                                                }
                                        }

                                }
                        }
                }
        };

        ~Arguments()
        {

        };

        void SetApplicationFilename(const std::string & strApplicationFilename)
        {
                m_strApplicationFilename = strApplicationFilename;
        };

        const std::string & GetApplicationFilename() const
        {
                return m_strApplicationFilename;
        };

        const bool HasOption(const std::string & strOptionName) const
        {
                return m_mapOptions.find(strOptionName) != m_mapOptions.end();
        };

        void SetOption(const std::string & strOptionName, const std::string & strOptionValue)
        {
                m_mapOptions[strOptionName] = strOptionValue;
        };

        const std::string GetOption(const std::string & strOptionName) const
        {
                std::map<std::string,std::string>::const_iterator i = m_mapOptions.find(strOptionName);

                if (i != m_mapOptions.end())
                        return i->second;

                return std::string();
        };

private:
        std::string m_strApplicationFilename;
        std::map<std::string,std::string> m_mapOptions;
};

inline std::ostream & operator << (std::ostream & os, const Arguments & argArguments)
{
        if (argArguments.GetApplicationFilename().find(" ") != std::string::npos)
                os << "\"" << argArguments.GetApplicationFilename() << "\"";
        else
                os << argArguments.GetApplicationFilename();


        for (std::map<std::string,std::string>::const_iterator i=argArguments.m_mapOptions.begin();i!=argArguments.m_mapOptions.end();i++)
        {
                if (i->second.find(" ") != std::string::npos)
                        os << " -" << i->first << " " << "\"" << i->second << "\"";
                else
                        os << " -" << i->first << " " << i->second;
        }

        return os;
}

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