gistfile1.txt

// Septalicensed under the CC0, ISC, MIT, New-BSD, WTFPL, GNU All-Permissive, and Unlicense licenses.
// Code for splitting up a commandline-like string into a series of arguments, where \ escapes certain characters, including space, and "" escapes full arguments

std::vector<std::string> arglist;
std::string scraparg("");

bool escape = false;
bool encapsulate = false;
for(auto character : command)
{
    if ( character == '\\' and escape == false ) // character is '\'
        escape = true;
    else
    {
        if ( escape )
        {
            switch ( character )
            {
            case 'n':
                scraparg += '\n';
                break;
            case 't':
                scraparg += '\t';
                break;
            case '\\':
                scraparg += '\\';
                break;
            case '"':
                scraparg += '\"';
                break;
            case ' ':
                scraparg += ' ';
                break;
            default:
                scraparg += '\\';
                scraparg += character;
            }
            escape = false;
        }
        else
        {
            switch ( character )
            {
            case '"':
                encapsulate = !encapsulate;
                if (!encapsulate)
                {
                    arglist.push_back(scraparg);
                    scraparg = "";
                }
                break;
            case ' ':
                if(encapsulate)
                    scraparg += ' ';
                else
                {
                    arglist.push_back(scraparg);
                    scraparg = "";
                }
                break;
            default:
                scraparg += character;
            }
        }
           
        escape = false;
    }
}
if(strcmp(scraparg.data(), "") != 0)
    arglist.push_back(scraparg);