#ifndef _MY_STRING_H_
#define _MY_STRING_H_

#include <iostream>
using namespace std;

class String
{
  public:
    String( const char *cString = "" );               // Constructor
    String( char ch );              	              // Constructor
    String( const String & str );                     // Copy constructor
    ~String( )                                        // Destructor
      { delete [ ] buffer; }

    const String & operator= ( const String & rhs );  // Copy
    const String & operator+=( const String & rhs );  // Append

    const char *c_str( ) const        // Return C-style String
      { return buffer; }
    int length( ) const               // Return String length
      { return strLength; }

    char   operator[]( int k ) const; // Accessor operator[]
    char & operator[]( int k );       // Mutator  operator[]

  private:
      char *buffer;                  // storage for characters
      int strLength;                 // length of String (# of characters)
      int bufferLength;              // capacity of buffer
};

ostream & operator<<( ostream & out, const String & str );    // Output
istream & operator>>( istream & in, String & str );           // Input
istream & getline( istream & in, String & str );              // Read line
istream & getline( istream & in, String & str, char delim );  // Read line

String operator+( const String & lhs, const String & rhs );   // Concatenation

bool operator==( const String & lhs, const String & rhs );    // Compare ==
bool operator!=( const String & lhs, const String & rhs );    // Compare !=
bool operator< ( const String & lhs, const String & rhs );    // Compare <
bool operator<=( const String & lhs, const String & rhs );    // Compare <=
bool operator> ( const String & lhs, const String & rhs );    // Compare >
bool operator>=( const String & lhs, const String & rhs );    // Compare >=

#endif