a_unit.cxx

Go to the documentation of this file.

#include "a_unit.h"
#include <sstream>
#include <vector>
 
//---------------------------------------------------------------------------
const std::string a_unit::help()
{
        std::ostringstream o;
        o << "********" << std::endl;
        o << "a_unit:" << std::endl;
        o << "********" << std::endl;
        o << "This is a 'unit' class" << std::endl;
        o << std::endl;
        o << "Create a unit:" << std::endl;
        o << "a_unit u" << std::endl;
        o << std::endl;
        o << "Commands:" << std::endl;
        o << "name _name: set full name of unit (example: meter)" << std::endl;
        o << "name: get full name of unit" << std::endl;
        o << "short_name _name: set short name of unit (example: m)" << std::endl;
        o << "short_name: get short name of unit (example: m)" << std::endl;
        o << "ratio _val: set value of 'basic unit' in this custom unit" << std::endl;
        o << "ratio: get value of 'basic unit' in this custom unit" << std::endl;
        o << "print: print parameters" << std::endl;
        o << std::endl;
        o << a_unit_base::help();
        return o.str();
}
//***************************************************************************
//---------------------------------------------------------------------------
void a_unit::read(std::istream &in0)
{
        std::string line;
        std::getline(in0,line);
        std::istringstream in(line.c_str());
        std::vector<std::string> vals;
        bool quote = false;
        std::ostringstream out;
        while (in)
        {
                std::string s2;
                std::getline(in,s2,' ');
                if ((!quote)&&(s2.substr(0,1)=="\""))
                {
                        quote = true;
                        std::string s3("");
                        if (s2.length()>1)
                        {
                                //check whether their is an ending quote in text
                                s3 = s2.substr(1,s2.length()-1);
                                std::string::size_type ii=-1;
                                ii = s3.find_first_of("\"");
                                if (ii<s3.size())
                                {
                                        s3 = s3.substr(0,ii);
                                        quote = false;
                                        out << s3;
                                        vals.push_back(out.str());
                                        out.str("");
                                        out.clear();
                                }
                                else
                                        out << s3;
                        }
                }
                else
                {
                        if (quote)
                        {
                                std::string s3;
                                s3 = s2.substr(s2.length()-1,1);
                                if (s3=="\"")
                                {
                                        quote = false;
                                        if (s2!="\"")
                                                out << " " << s2.substr(0,s2.length()-1);
                                        vals.push_back(out.str());
                                        out.str("");
                                        out.clear();
                                }
                                else
                                        out << " " << s2;
                        }
                        else
                        {
                                if (s2 != "")
                                        vals.push_back(s2);
                        }
                }
        }
        if (vals.size()<3)
                return;
        name_ = vals[0];
        short_name_ = vals[1];
        out.str("");
        out.clear();
        out << vals[2];
        std::istringstream in2(out.str().c_str());
        in2 >> ratio_;
}
//---------------------------------------------------------------------------
void a_unit::write(std::ostream &o) const
{
        o << "\"" << this->name() << "\" \"";
        o << this->short_name() << "\" ";
        o << this->ratio() << " ";
}
//***************************************************************************
//---------------------------------------------------------------------------
a_unit::a_unit()
{
        name_       = "Basic Unit";
        short_name_ = "_";
        ratio_      = 1;
}
 
//---------------------------------------------------------------------------
a_unit::a_unit(const a_unit& u)
{
        name_       = u.name();
        short_name_ = u.short_name();
        ratio_      = u.ratio();
}
 
//---------------------------------------------------------------------------
a_unit::a_unit(std::string n,std::string ns,double r)
{
        name_       = n;
        short_name_ = ns;
        ratio_      = r;
}