Outputter.hpp

// Reaktoro is a unified framework for modeling chemically reactive systems.
//
// Copyright (C) 2014-2018 Allan Leal
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this library. If not, see <http://www.gnu.org/licenses/>.
 
#pragma once
 
// C++ includes
#include <iomanip>
#include <iostream>
#include <list>
#include <sstream>
 
// Reaktoro includes
#include <Reaktoro/Math/Matrix.hpp>
 
namespace Reaktoro {
 
struct OutputterOptions
{
    bool active = false;
 
    bool fixed = false;
 
    bool scientific = false;
 
    unsigned precision = 6;
 
    unsigned width = 15;
 
    std::string separator = "|";
 
    auto operator=(bool active) -> OutputterOptions&;
};
 
class Outputter
{
public:
    struct Options;
 
    Outputter();
 
    void setOptions(const OutputterOptions& options);
 
    void addEntry(const std::string& name);
 
    void addEntries(const std::string& prefix, unsigned size);
 
    void addEntries(const std::string& prefix, unsigned size, const std::vector<std::string>& names);
 
    template<typename Iter>
    void addEntries(const Iter& begin, const Iter& end);
 
    void addEntrySeparator();
 
    template<typename T>
    void addValue(const T& val);
 
    template<typename Iter>
    void addValues(const Iter& begin, const Iter& end);
 
    template<typename Vec>
    void addValues(const Vec& vec);
 
    void addValueSeparator();
 
    void outputHeader();
 
    void outputState();
 
    void outputMessage(const std::string& message);
 
    template<typename T>
    void outputMessage(const T& arg)
    {
        if(options.active) std::cout << arg;
    }
 
    template<typename T, typename... Args>
    void outputMessage(const T& arg, const Args&... args)
    {
        if(options.active)
        {
            std::cout << arg;
            outputMessage(args...);
        }
    }
 
private:
    std::list<std::string> entries;
 
    std::list<std::string> values;
 
    OutputterOptions options;
};
 
template<typename Iter>
void Outputter::addEntries(const Iter& begin, const Iter& end)
{
    entries.insert(entries.end(), begin, end);
}
 
template<typename T>
void Outputter::addValue(const T& val)
{
    std::stringstream ss;
    ss << std::setprecision(options.precision);
    if(options.fixed) ss << std::fixed;
    if(options.scientific) ss << std::scientific;
    ss << val;
    values.push_back(ss.str());
}
 
template<typename Iter>
void Outputter::addValues(const Iter& begin, const Iter& end)
{
    for(Iter iter = begin; iter != end; ++iter)
        AddValue(*iter);
}
 
template<typename Vec>
void Outputter::addValues(const Vec& vec)
{
    for(unsigned i = 0; i < vec.size(); ++i)
        addValue(vec[i]);
}
 
} // namespace