#include "String.h"

String::String( char* s )
{
  len_ = strlen(s);
  size_ = len_+1;
  str_ = new char[size_];
  strcpy_s(str_, size_, s);
}

String& String::operator=(String& s)
{
//	cout<<s;
	cout<<*this;

	if (s.len_ > size_-1)
	{
	  // realoca area de memoria
	  delete str_;
	  size_ = s.len_+1;
	  str_ = new char[size_];
	}
	len_ = s.len_;
	strcpy_s(str_, size_, s.str_);
	return *this;
}
String& String::operator=(char* s) {
	return operator=(String(s));
}

String& String::operator+(String& s)
{
	String *result = new String(len_ + s.len_ + 1);
	strcpy_s(result->str_, result->size_, str_);
	strcat_s(result->str_, result->size_, s.str_);
	result->len_ = len_ + s.len_;
cout<<*result;
	return *result;
}

char& String::operator[](int i)
{
	if (i<0 || i>=(int)len_)
	{
		static char lixo;
		return lixo;
	}
	else return str_[i];
}