// ==========================================================================
// Declaration for a string array with random selection
// A. Fischer, May 13, 2001                                file: rstrings.hpp

// ==========================================================================
#pragma once

#include "tools.hpp"
#include "ssstore.hpp"

class RandString {
  protected:
    const char** data;              // Vocabulary array
    StringStore store;                  // Storage behind string array.
    int n;                              // Number of strings in array.
    int maxData;

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

  public:
    RandString( istream& vocin, int sz = 100 );
    ~RandString();
    void put( const char* word, int len );
    const char* randword();
};

//---------------------------------------------------------------------------
inline const char*
RandString::remove( int r ) {
    const char* 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.
}