// ==========================================================================
// Declaration for a string array with random selection
// A. Fischer, May 13, 2001                                file: rstrings.hpp
// Modified by M. Fischer, October 8, 2009
// ==========================================================================
#pragma once
#include "tools.hpp"
#include "flexT.hpp"
#include "sstore.hpp"
//===========================================================================
class RandString : FlexArray<const char*> {
  protected:
    StringStore store;                  // Storage behind string array.

  private:
    inline const_cstring remove( int r );
    void print( ostream& outs ) const;  // For debugging, make this public.

  public:
    RandString( istream& vocin, int sz = 100 );
    ~RandString() {}
    inline void put(const_cstring s, int len);
    const_cstring randword();
};

//---------------------------------------------------------------------------
inline const_cstring
RandString::remove( int r ) {
    const_cstring ret = data[r]; // Grab the word that was selected.
    data[r] = data[--n];         // Replace by last word in array.
    data[n] = ret;
    return ret;                  // Return word and decrease word count.
}

//---------------------------------------------------------------------------
inline void
RandString::put(const_cstring s, int len) {
    FlexArray<const char*>::put(store.put(s, len));
}