// test4.cpp: определяет точку входа для консольного приложения.
//

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

class String
{
	char* str;
	int size;

public:
	String()
	{
		size = 5;
		str = new char[6];
		str[5] = '\0';
	}
	String(int size)
	{
		this->size = size;
		str = new char[size+1];
		str[size] = '\0';
	}
	String(char string[])
	{
		str = string;
		int i = 0;
		while (str[i] != '\0')
			i++;
		size = i;
	}
	String(const String& copy)
	{
		this->str = copy.str;
		this->size = copy.size;
	}

	String RemoveAll(char ch)
	{
		char *strNew = str;
		int newSize = size;
		for (int i = 0; i < size; i++)
		{
			if (str[i] != ch)
			{
				*strNew++ = str[i];
			}
			else --newSize;
		}
		*strNew = '\0';
		this->size = newSize;
		return String(str);
	}
	bool operator==(String str)
	{
		if (this->size != str.size) return false;
		int i = 0;
		while (this->str[i] != '\0')
		{
			if (this->str[i] != str.str[i]) return false;
			i++;
		}

		return true;
	}

	friend String operator+(const String& str, const char& ch);
	friend String operator+(const char& ch, const String& str);

	friend void print(String str);
};
String operator+(const String& str, const char& ch)
{
	char* strNew = new char[str.size + 1];
	int i = 0;
	while (str.str[i] != '\0')
	{
		strNew[i] = str.str[i];
		i++;
	}
	strNew[i++] = ch;
	strNew[i++] = '\0';

	return String(strNew);
}
String operator+(const char& ch, const String& str)
{
	return str + ch;
}
void print(String str)
{
	printf(str.str);
}
int main()
{
	char strArr[] = "Hello";
	char strArr2[] = "Heo";
 	String str(strArr);
	print(str + '\n');

	str.RemoveAll ('l');

	String str2(strArr2);
	if (str == str2)
	{
		printf("Strings \"");
		print(str);
		printf("\" and \"");
		print(str2);
		printf("\" are equal.");
	}
	int smth;
	std::cin >> smth;
    return 0;
}