// File simpleString.h
// Definition of a simpleString class

#ifndef SIMPLESTRING_H
#define SIMPLESTRING_H

class simpleString
{
  public:

    // Most non-POD classes should define a
    //     default constructor
    //     destructor
    //     copy constructor
    //     assignment operator

    //default constructor
    simpleString();

    //destructor
    virtual ~simpleString();

    //copy constructor
    simpleString (const simpleString &);

    //assignment operator
    const simpleString & simpleString::operator= (const simpleString &);

    // Member functions

    // Read a simple string
    void readString();

    // Display a simple string
    void writeString() const;

    // Retrieve the character at a specified position
    // Returns the character \0 if position is out of bounds.
    char at(int) const;

    // Return the string length
    int getLength() const;

  private:

    // Expand capacity of the contents array
    void expandCapacity();

    static const int INITIAL_CAPACITY = 4;     // of the contents array
    static const int MAX_CAPACITY = 1000000;   // of the contents array
    int capacity;                  // capacity of the contents array
    char * contents;               // array of characters
    int length;                    // number of characters in contents
};

#endif //SIMPLESTRING_H