lesson_221123

#include <iostream>
#include "my_lib.h"

using namespace std;

void str_start() {
    const char* str = "Hello world";
    cout << str << endl;
    char str2[] = "Hi everybody";
    cout << size(str2) << endl;
    char str3[]{ 'H', 'e', 'l', 'l', 'o', '\0'};
    cout << str3 << endl;

    cout << "Len: " << strlen(str) << endl;
    cout << "Len: " << strlen(str2) << endl;

    const char* str4;
    str4 = "Privet";
    cout << str4 << endl;

    str4 = "New strings";
    cout << str4 << endl;

    char str5[100];
    strcpy_s(str5, "This is a copy");
    cout << str5 << endl;

    // Строки типа char[] - нельзя сравнить через ==
    cout << (str5 == "This is a copy") << endl;
    cout << (str4 == "New strings") << endl;

    // сравниваем строки char[] так.
    cout << strcmp(str5, "This is a copy") << endl;
    cout << str5[2] << " " << str4[4] << endl;

    // так строки не соеденить (конкатенация)
    //cout << str4 + str << endl;
    strcat_s(str5, str4);
    cout << str5 << endl;
}

void cppstr_start() {
    std::string str = "Hello";
    cout << str << endl;

    cout << str.data() << " or "
        <<  str.c_str() << endl;

    const char* str2 = "Hello";
    std::string str3 = str2;

    cout << str.length() << " or "
        <<  str.size() << endl;

    std::string st1 = "London";
    std::string st2 = "Paris";

    cout << st1 + " " + st2 << endl;
    cout << st1.append(" ").append(st2) << endl;

    cout << (st1 > st2) << endl;
    cout << st1.compare(st2) << endl;
}

//https://pastebin.com/ABuCpvib

void task_journal() {
    std::string journal[]{
        "Abdulaev",
        "Petrov",
        "Ivanov",
        "Sidorov"
    };
    show_arr(size(journal), journal);
    isert_sort(size(journal), journal);
    show_arr(size(journal), journal);
}

enum colors {WHITE,
    BLACK,
    RED,
    BLUE,
    GREEN
};

void show_coloredText(const char* text,
    colors color, colors bk_color) {
    switch (color)
    {
        case WHITE: cout << "\033[97m"; break;
        case BLACK: cout << "\033[90m"; break;
        case RED:   cout << "\033[91m"; break;
        case BLUE:  cout << "\033[94m"; break;
        case GREEN: cout << "\033[92m"; break;
        default: break;
    }
    switch (bk_color)
    {
        case WHITE: cout << "\033[47m";  break;
        case BLACK: cout << "\033[48m";  break;
        case RED:   cout << "\033[101m"; break;
        case BLUE:  cout << "\033[104m"; break;
        case GREEN: cout << "\033[102m"; break;
        default: break;
    }
    cout << text;
    cout << "\033[0m";
}

/*
const int w = 5;
void fun(int arr[w][w]) {

}

int desk[4][4];
void fun2() {
    desk[0][0] = 5;
}

void fun3(int** arr) {
    arr[0][0] = 4;
}
*/

void main() {
    //str_start();
    //cppstr_start();
    task_journal();
    //show_coloredText("Hello", RED, BLUE);
    //show_coloredText("Hello", BLACK, WHITE);
}