/*
 * stringstore.hpp
 *
 *  Created on: Nov 18, 2010
 *      Author: mike
 *      for use in Yale course CPSC 427a, Fall 2010
 */

#pragma once

// Singleton string store class
#define MAXLETS 10000   // maximum number of characters in store

// ==========================================================================
class StringStore {
private:
    static StringStore* instance;
    char* letters;  // String storage area.
    int remain;     // Space remaining in current Pool.
    int next;       // Subscript of next available slot.

    // private constructor
    StringStore(int sz=MAXLETS): letters(new char[sz]),
        remain(sz), next(0) {}

public:
    ~StringStore(){ delete [] letters; }

    static StringStore& getStore();
    const char* put( const char* s, int ln );
};