ls-standard-library/source/ls-std/boxing/Boolean.cppm

/*
 * Author:          Patrick-Christopher Mattulat
 * Company:         Lynar Studios
 * E-Mail:          webmaster@lynarstudios.com
 * Created:         2020-08-09
 * Changed:         2025-12-24
 *
 * */

module;

#include <algorithm>
#include <ls-std/core/Class.hpp>
#include <ls-std/core/interface/IBoxing.hpp>
#include <ls-std/core/exception/IllegalArgumentException.hpp>
#include <string>

export module ls.std.boxing.boolean;

using ls::std::core::Class;
using ls::std::core::IllegalArgumentException;
using ls::std::core::interface_type::IBoxing;
using std::string;
using std::transform;

export namespace ls::std::boxing
{
  class Boolean : public Class, public IBoxing
  {
    public:

      explicit Boolean(const bool _value) : Class(_fetchClassName()), value(_value)
      {}

      Boolean() : Class(_fetchClassName())
      {}

      ~Boolean() noexcept override = default;

      Boolean &operator=(const int _value)
      {
        this->value = _value;
        return *this;
      }

      Boolean &operator=(const bool _value)
      {
        this->value = _value;
        return *this;
      }

      bool operator&&(const Boolean &_boolean) const
      {
        return this->value && _boolean.getValue();
      }

      bool operator&&(const bool _value) const
      {
        return this->value && _value;
      }

      bool operator&&(const int _value) const
      {
        return this->value && _value;
      }

      bool operator||(const Boolean &_boolean) const
      {
        return this->value || _boolean.getValue();
      }

      bool operator||(const bool _value) const
      {
        return this->value || _value;
      }

      bool operator||(const int _value) const
      {
        return this->value || _value;
      }

      void parse(const string &_parseText) override
      {
        string parseText = _parseText;
        transform(parseText.begin(), parseText.end(), parseText.begin(), ::tolower);

        if (parseText != this->TRUE_STRING && parseText != this->FALSE_STRING)
        {
          throw IllegalArgumentException{parseText + " is not a valid string representation"};
        }
        else
        {
          if (parseText == this->TRUE_STRING)
          {
            this->value = true;
          }

          if (parseText == this->FALSE_STRING)
          {
            this->value = false;
          }
        }
      }

      [[nodiscard]] string toString() override
      {
        return this->_toString();
      }

      [[nodiscard]] bool getValue() const
      {
        return this->value;
      }

      [[nodiscard]] static bool XOR(const Boolean &_leftExpression, const Boolean &_rightExpression)
      {
        return (_leftExpression.getValue() && !_rightExpression.getValue()) || (!_leftExpression.getValue() && _rightExpression.getValue());
      }

      [[nodiscard]] static bool XOR(const Boolean &_leftExpression, const bool _rightExpression)
      {
        return (_leftExpression.getValue() && !_rightExpression) || (!_leftExpression.getValue() && _rightExpression);
      }

      [[nodiscard]] static bool XOR(const bool _leftExpression, const Boolean &_rightExpression)
      {
        return (_leftExpression && !_rightExpression.getValue()) || (!_leftExpression && _rightExpression.getValue());
      }

      [[nodiscard]] static bool XOR(const bool _leftExpression, const bool _rightExpression)
      {
        return (_leftExpression && !_rightExpression) || (!_leftExpression && _rightExpression);
      }

    private:

      bool value{};

      const string FALSE_STRING = "false";
      const string TRUE_STRING = "true";

      [[nodiscard]] static string _fetchClassName()
      {
        static const string className = "Boolean";
        return className;
      }

      [[nodiscard]] string _toString() const
      {
        string booleanString{};

        if (this->value)
        {
          booleanString = this->TRUE_STRING;
        }
        else
        {
          booleanString = this->FALSE_STRING;
        }

        return booleanString;
      }
  };
}