terminal_color.h

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/**
 
    @file      terminal_color.h
    @author    Khrapov
    @date      10.12.2022
    @copyright © Nick Khrapov, 2022. All right reserved.
 
**/
#pragma once
 
#include <qx/containers/string/string.h>
#include <qx/render/color.h>
 
#include <iostream>
 
namespace qx
{
 
class terminal_color;
 
}
 
template<class char_t>
std::basic_ostream<char_t>& operator<<(std::basic_ostream<char_t>& os, const qx::terminal_color& terminalColor);
 
namespace qx
{
 
/**
 
    @class   terminal_color
    @brief   Class for colors manipulating in terminal
    @details Always check which colors are available in your machine, for ex. with qx::terminal_color::test_colors()
    @author  Khrapov
    @date    13.12.2022
 
    @code
    
    std::cout << qx::terminal_color::font(qx::color::green()) << "green" << qx::terminal_color::reset() << std::endl;
    
    @endcode
 
**/
class terminal_color
{
    template<class char_t>
    friend std::basic_ostream<char_t>& ::operator<<(
        std::basic_ostream<char_t>& is,
        const terminal_color
        & terminalColor);
 
    enum class type
    {
        font,
        back,
        reset
    };
 
public:
    /**
        @brief  Set font color
        @param  fontColor - new font color
        @retval           - terminal_color instance to pass to the ostream
    **/
    static constexpr terminal_color font(const color& fontColor) noexcept;
 
    /**
        @brief  Set background color
        @param  bgColor - new background color
        @retval         - terminal_color instance to pass to the ostream
    **/
    static constexpr terminal_color back(const color& bgColor) noexcept;
 
    /**
        @brief  Reset all colors
        @retval  - terminal_color instance to pass to the ostream
    **/
    static constexpr terminal_color reset() noexcept;
 
    /**
        @brief Output colors available in qx::color to test if terminal color work
    **/
    static void test_colors();
 
private:
    /**
        @brief terminal_color object constructor
        @param inColor - color to set
        @param eType   - output type
    **/
    constexpr terminal_color(const color& inColor, type eType) noexcept;
 
    /**
        @brief terminal_color object constructor
        @param eType - output type
    **/
    constexpr terminal_color(type eType) noexcept;
 
private:
    color m_Color = color::white();
    type  m_eType = type::reset;
};
 
} // namespace qx
 
#include <qx/logger/terminal_color.inl>