Integer.h

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#pragma once
 
#if defined(_WIN32) && defined(_MSC_VER)
    #define NOMINMAX
    #undef max
    #undef min
#endif
 
#include <tdme/tdme.h>
#include <tdme/utilities/fwd-tdme.h>
 
#include <limits>
#include <string>
#include <string_view>
 
using std::numeric_limits;
using std::string;
using std::string_view;
 
/**
 * Integer class
 * @author Andreas Drewke
 * @version $Id$
 */
class tdme::utilities::Integer final
{
public:
    static constexpr int MAX_VALUE { numeric_limits<int>::max() };
    static constexpr int MIN_VALUE { -numeric_limits<int>::max() };
 
    /**
     * Check if given string is a integer string
     * @param str string
     * @return given string is integer
     */
    static bool is(const string& str);
 
    /**
     * Check if given string is a integer string
     * @param str string
     * @return given string is integer
     */
    static bool viewIs(const string_view& str);
 
    /**
     * Parse integer
     * @param str string
     * @return integer
     */
    static int parse(const string& str);
 
    /**
     * Parse integer
     * @param str string
     * @return integer
     */
    static int viewParse(const string_view& str);
 
    /**
     * @brief Encodes an 32 bit unsigned integer to a 6 char string representation
     * @param decodedInt int value to encode
     * @returns encodedString
     */
    inline static const string encode(const uint32_t decodedInt) {
        string encodedString;
        encode(decodedInt, encodedString);
        return encodedString;
    }
 
    /**
     * @brief Decodes an 6 char string representation to a unsigned 32 bit integer
     * @param encodedString encoded string
     * @returns decodedString
     */
    inline static const uint32_t decode(const string& encodedString) {
        uint32_t decodedInt;
        decode(encodedString, decodedInt);
        return decodedInt;
    }
 
    /**
     * @brief Encodes an 32 bit unsigned integer to a 6 char string representation
     * @param decodedInt int value to encode
     * @param encodedString string
     */
    static void encode(const uint32_t decodedInt, string& encodedString);
 
    /**
     * @brief Decodes an 6 char string representation to a unsigned 32 bit integer
     * @param encodedString encoded string
     * @param decodedInt integer
     */
    static bool decode(const string& encodedString, uint32_t& decodedInt);
 
};