// copy constructor
// initializes this MyString to a deep copy of the original
MyString::MyString(const MyString & original)
{
this->_capacity = original.CurrentCapacity();
this->_length = original.Length();
this->_string = new char[this->_capacity + 1];
strcpy(_string, original._cstr());
//strcpy_s(_string, _capacity + 1, original._cstr());
//_string[_length + 1] = '\0';
}
int main()
{
MyString m;
assertEqual(16, m.CurrentCapacity(), "Default ctor: sets capacity to 16");
assertEqual(0, m.Length(), "Default ctor: sets length to 0");
assertEqual("", m._cstr(), "Default ctor: sets string to empty string");
m.Assign("Bob");
cout << "capacity is " << m.CurrentCapacity() << endl;
cout << "length is " << m.Length() << endl;
cout << "string points to an ascii " << (m._cstr()) << endl;
m.Assign("123456789012345678901234567890");
assertTrue(m.CurrentCapacity() >= 30, "Assign('123456789012345678901234567890': capacity >= 30");
assertEqual(30, m.Length(), "Assign('123456789012345678901234567890': sets length to 30");
assertEqual("123456789012345678901234567890", m._cstr(), "Assign('123456789012345678901234567890')");
char buffer[100] = "";
cout << m << endl;
cout << "Enter some text: ";
cin >> m;
cout << m << endl;
MyString m2;
cout << "Enter some text: ";
cin >> m2;
cout << m2 << endl;
system("pause");
return 0;
}
// copy constructor
// initializes this MyString to a deep copy of the original
MyString::MyString(const MyString & original)
{
// Gain manipulatable version of the original MyString's _string
const char * originalString = original._cstr();
// Set numeric values
_capacity = original.CurrentCapacity();
_length = original.Length();
_string = new char[_capacity];
// Deep copy
for (int i = 0; i < _length; i++)
{
_string[i] = originalString[i];
}
_string[_length] = '\0';
}
// = (assignment - takes a MyString or a c style string)
MyString MyString::operator= (const MyString & aMyString)
{
// Get the numeric attributes
(*this)._length = aMyString.Length();
(*this)._capacity = aMyString.CurrentCapacity();
// Restart this's _string
delete[] (*this)._string;
(*this)._string = new char[(*this)._capacity];
// Deep copy
for (int i = 0; i < (*this).Length(); i++)
{
(*this)._string[i] = aMyString._cstr()[i];
}
// Add null character
(*this)._string[(*this)._length] = '\0';
return *this;
}
