//==================================================================================================
/*
  ROTGEN - Runtime Overlay for Eigen
  Copyright : CODE RECKONS
  SPDX-License-Identifier: BSL-1.0
*/
//==================================================================================================
#pragma once

#include <rotgen/config.hpp>
#include <memory>
#include <string>

namespace rotgen
{
  class ROTGEN_EXPORT ioformat
  {
  private:
    struct payload;
    std::unique_ptr<payload> storage_;

  public:
    ioformat(int precision,
             int flags = 0,
             std::string const& coeffSeparator = " ",
             std::string const& rowSeparator = "\n",
             std::string const& rowPrefix = "",
             std::string const& rowSuffix = "",
             std::string const& matPrefix = "",
             std::string const& matSuffix = "",
             char fill = ' ');

    ~ioformat();

    std::unique_ptr<payload> const& storage() const { return storage_; }
  };

  template<typename M> struct format
  {
    format(M const& m, ioformat const& f) : matrix_(m), format_(f) {}

    M const& matrix_;
    ioformat const& format_;
  };

  template<typename M>
  std::ostream& operator<<(std::ostream& os, format<M> const& f)
  {
    return os << format{f.matrix_.base(), f.format_};
  }
}