args.cpp

/*
        MX library.

        http://lostsidedead.com/svn


        libmx written by jared bruni, it is wrappers around SDL
and other api's to provide a set of classes and functions
to produce multi media applications, using object oriented
techniques.

        (C) 2008 LostSideDead
*/


#include "args.h"

namespace mx
{


        mxArgs::mxArgs(int &argc, char **argv)
        {


                try
                {

                        int i;
                        for(i = 1; i < argc; i++)
                        {
                                arglist.push_back(argv[i]);
                        }

                }
                catch (std::bad_alloc &bad)
                {

                        std::cerr << "error allocating memory: " << bad.what() << "\n";

                }
                catch (...)
                {
                        std::cerr << "error unknown exception\n";
                }
        }


        bool mxArgs::testForSwitchAndRemove(string what)
        {

                std::vector<std::string>::iterator i;
                for(i = arglist.begin(); i!=arglist.end(); i++)
                {
                        if(what == *i)
                        {
                                arglist.erase(i);
                                return true;
                        }

                }
                return false;
        }

        bool mxArgs::testForSwitchAndLeave(string what)
        {

                std::vector<std::string>::iterator i;
                for(i = arglist.begin(); i!=arglist.end(); i++)
                {
                        if(what == *i)
                                return true;
                }
                return false;
        }

        string mxArgs::testForItem(string what)
        {
                std::vector<std::string>::iterator i;

                for(i = arglist.begin(); i!=arglist.end(); i++)
                {
                        int position = 0;
                        std::string temp = *i;
                        position = i->find("=");

                        if(position != -1)
                        temp = i->substr(0, position );


                        if(what == temp)
                        {

                                if(position == -1)
                                {

                                        if(i+1 != arglist.end())
                                        {
                                                std::vector<std::string>::iterator z = i+1;
                                                if(z->at(0) != '-')
                                                        return *z;
                                        }
                                }
                                else
                                {

                                        std::string leftOf = i->substr(position+1, i->length()-position );
                                        return leftOf;
                                }

                        }

                }

                return string("");

        }



}

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