/****************************************************************************
*
*                            Open Watcom Project
*
*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
*
*  ========================================================================
*
*    This file contains Original Code and/or Modifications of Original
*    Code as defined in and that are subject to the Sybase Open Watcom
*    Public License version 1.0 (the 'License'). You may not use this file
*    except in compliance with the License. BY USING THIS FILE YOU AGREE TO
*    ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
*    provided with the Original Code and Modifications, and is also
*    available at www.sybase.com/developer/opensource.
*
*    The Original Code and all software distributed under the License are
*    distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
*    EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
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*    NON-INFRINGEMENT. Please see the License for the specific language
*    governing rights and limitations under the License.
*
*  ========================================================================
*
* Description:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
*               DESCRIBE IT HERE!
*
****************************************************************************/


#ifndef __STR_H__
#define __STR_H__

// Str.h -- simple string class


#include <string.h>

const int _BlkSize = 16*1024 - sizeof( void* );

class Str                       // SIMPLE STRING CLASS
{
    char *_str;                 // - memory

    class StoreList             // - list of Store entries
    {
        struct Store                // - storage class
        {
            Store* _next;           // - - next block
            char _data[ _BlkSize ]; // - - block of chars
        };

        Store* _list;           // - - the list
        unsigned _left;         // - - amount left in latest entry

    public:
        StoreList();            // - - CTOR()
        ~StoreList();           // - - DTOR
        char* alloc             // - - allocator( string )
            ( char const *);
        char* alloc             // - - allocator( vector, size )
            ( char const *, unsigned );
    };

public:
    Str( char const * );        // - CTOR( string )
    Str( char const *, unsigned);// - CTOR( vector, size );
    Str( Str const & );         // - CTOR( Str const & )
    int same( char const*, unsigned ); // - test if same
    unsigned size( void ) const; // - get size
    inline operator char const* // - conversion: to char const*
        ( void ) const;
    Str& operator =             // - assign string
        ( char const * );
};


Str::operator char const*       // CONVERSION TO char const*
    ( void ) const
{
    return _str;
}


#endif
