// -*- C++ -*-
/***************************************************************************
 *
 * string - Declarations for the Standard Library string classes
 *
 ***************************************************************************
 *
 * Copyright (c) 1994-1999 Rogue Wave Software, Inc.  All Rights Reserved.
 *
 * This computer software is owned by Rogue Wave Software, Inc. and is
 * protected by U.S. copyright laws and other laws and by international
 * treaties.  This computer software is furnished by Rogue Wave Software,
 * Inc. pursuant to a written license agreement and may be used, copied,
 * transmitted, and stored only in accordance with the terms of such
 * license and with the inclusion of the above copyright notice.  This
 * computer software or any other copies thereof may not be provided or
 * otherwise made available to any other person.
 *
 * U.S. Government Restricted Rights.  This computer software is provided
 * with Restricted Rights.  Use, duplication, or disclosure by the
 * Government is subject to restrictions as set forth in subparagraph (c)
 * (1) (ii) of The Rights in Technical Data and Computer Software clause
 * at DFARS 252.227-7013 or subparagraphs (c) (1) and (2) of the
 * Commercial Computer Software – Restricted Rights at 48 CFR 52.227-19,
 * as applicable.  Manufacturer is Rogue Wave Software, Inc., 5500
 * Flatiron Parkway, Boulder, Colorado 80301 USA.
 *
 **************************************************************************/

#ifndef __STD_STRING
#define __STD_STRING

#include <stdcomp.h>
#include <rw/rwstderr.h>

#ifndef _RWSTD_NO_NEW_HEADER
#include <cstring>
#include <cctype>
#else
#include <string.h>
#include <ctype.h>
#endif

#if defined(__sun)
  struct __mbstate_t;
#endif

#ifndef _RWSTD_NO_NAMESPACE
namespace std {
#endif
#ifdef _RWSTD_NO_MBSTATE_T
#if defined(__sun)
  typedef __mbstate_t mbstate_t;
#else
 class _RWSTDExportTemplate mbstate_t;
#endif // defined (__sun)
#endif // _RWSTD_NO_MBSTATE_T
#ifndef _RWSTD_NO_NAMESPACE
}
#endif

#ifndef _RWSTD_NO_NAMESPACE
#ifdef _RWSTD_NO_MBSTATE_T
 using std::mbstate_t;
#endif
#endif

#ifdef _HPACC_
#include <wchar.h>
#else
#ifndef _RWSTD_NO_WIDE_CHAR
#ifndef _RWSTD_NO_NEW_HEADER
#include <cwchar>
#include <cwctype>
#else
#ifndef _RWSTD_NO_WCHAR_H
#include <wchar.h>
#endif
#ifndef _RWSTD_NO_WCTYPE_H
# include <wctype.h>
#endif
#endif
#endif
#endif

#ifndef _RW_STD_IOSTREAM
#include <iostream.h>
#endif

#include <rw/string_ref>

#ifndef _RWSTD_NO_NAMESPACE
namespace __rwstd {
#endif
//
// Global error message declarations
//
#ifdef _RWSTD_LOCALIZED_ERRORS
  extern const unsigned int _RWSTDExport __rwse_InvalidSizeParam;
  extern const unsigned int _RWSTDExport __rwse_PosBeyondEndOfString;
  extern const unsigned int _RWSTDExport __rwse_ResultLenInvalid;
  extern const unsigned int _RWSTDExport __rwse_StringIndexOutOfRange;
  extern const unsigned int _RWSTDExport __rwse_UnexpectedNullPtr;
#else
  extern const char _RWSTDExportFunc(*) __rwse_InvalidSizeParam;
  extern const char _RWSTDExportFunc(*) __rwse_PosBeyondEndOfString;
  extern const char _RWSTDExportFunc(*) __rwse_ResultLenInvalid;
  extern const char _RWSTDExportFunc(*) __rwse_StringIndexOutOfRange;
  extern const char _RWSTDExportFunc(*) __rwse_UnexpectedNullPtr;
#endif


#ifdef _RWSTD_NO_STATIC_DEF3
  extern unsigned long _RWSTDExport __nullref[];
  extern bool _RWSTDExport __nullref_initialized;
#endif

// this function returns a suggested new capacity for a container needing
// more room; see stddefs.h for an explanation of these macro parameters;
inline size_t new_capacity (size_t size)
{
    size_t cap = (size_t) ((size * _RWSTD_STRING_CAPACITY_NUM) /
        _RWSTD_STRING_CAPACITY_DEN);
    return (size += _RWSTD_MINIMUM_STRING_CAPACITY) > cap ? size : cap;
}

#ifndef _RWSTD_NO_NAMESPACE
} namespace std {
#endif

  // required for unique signature of basic_string constructor
  struct __sun_dummy { inline __sun_dummy() {} ; };

  template <class charT, class traits , class Allocator >
  class _RWSTDExportTemplate basic_string
  {
  public:

    //
    //  Implementation types (see rw/string_ref)
    //
    // __string_ref_type is the type of the string reference that holds
    // the data for a basic_string. Defining _RWSTD_NO_STRING_REF_COUNT
    // gets you a basic_string that does not use reference counting at all.
    //
#ifndef _RWSTD_NO_STRING_REF_COUNT
    typedef __RWSTD::__string_ref<charT,traits,Allocator> __string_ref_type;
#else
    typedef __RWSTD::__string_noref<charT,traits,Allocator> __string_ref_type;
#endif
    //
    // __rep_type is the base class of __string_ref_type.  This type 
    // defines the representation of the reference class.
    //
    typedef _TYPENAME __string_ref_type::__string_ref_rep_type __rep_type;
    //
    // __null_ref_type is the type of the null reference.  Every empty 
    // string holds a reference to the same null reference object in order
    // to keep the size of an empty string at sizeof(char*) -- assuming
    // your compiler can handle the empty base optimization.
    //
    typedef __RWSTD::__null_string_ref_rep<charT,traits,Allocator,__rep_type>  __null_ref_type;

    //
    // types
    //
    typedef traits                               traits_type;
    typedef _TYPENAME traits::char_type          value_type;
    typedef Allocator                            allocator_type;

  private:

#ifdef _RWSTD_ALLOCATOR
    typedef Allocator  __value_alloc_type;
    typedef _TYPENAME Allocator::template rebind<__string_ref_type>::other  __ref_alloc_type;
#else
    typedef allocator_interface<Allocator,charT>       __value_alloc_type;
    typedef allocator_interface<Allocator,__string_ref_type>  __ref_alloc_type;
#endif

  
  public:

#ifndef _RWSTD_NO_COMPLICATED_TYPEDEF
    typedef _TYPENAME _RWSTD_ALLOC_SIZE_TYPE              size_type;
    typedef _TYPENAME _RWSTD_ALLOC_DIFF_TYPE              difference_type;
    typedef _TYPENAME __value_alloc_type::reference       reference;
    typedef _TYPENAME __value_alloc_type::const_reference const_reference;
    typedef _TYPENAME __value_alloc_type::pointer         pointer;
    typedef _TYPENAME __value_alloc_type::const_pointer   const_pointer;
    typedef _TYPENAME __value_alloc_type::pointer         iterator;
    typedef _TYPENAME __value_alloc_type::const_pointer   const_iterator;
#else
    typedef size_t                            size_type;
    typedef ptrdiff_t                         difference_type;
    typedef charT&                            reference;
    typedef const charT&                      const_reference;
    typedef charT*                            pointer;
    typedef const charT*                      const_pointer;
    typedef charT*                            iterator;
    typedef const charT*                      const_iterator;
#endif  //_RWSTD_NO_COMPLICATED_TYPEDEF

#ifndef _RWSTD_NO_CLASS_PARTIAL_SPEC 
    typedef _RW_STD::reverse_iterator<const_iterator> const_reverse_iterator;
    typedef _RW_STD::reverse_iterator<iterator>  reverse_iterator;
#else
    typedef _RW_STD::reverse_iterator<const_iterator, 
      random_access_iterator_tag, value_type, 
      const_reference, const_pointer, difference_type>
      const_reverse_iterator;
    typedef _RW_STD::reverse_iterator<iterator, 
      random_access_iterator_tag, value_type,
      reference, pointer, difference_type>
      reverse_iterator;
#endif

#ifdef _RWSTD_MSC22_STATIC_INIT_BUG
#define npos (size_type)-1
#else
    static const size_type npos = size_type(-1);
#endif

    inline _EXPLICIT basic_string (const Allocator& _RWSTD_DEFAULT_ARG(Allocator()));

#ifdef _RWSTD_NO_DEFAULT_TEMPLATE_ARGS 
    inline basic_string (void);
#endif

    inline basic_string (const basic_string<charT, traits, Allocator>&);
    basic_string (const basic_string<charT, traits, Allocator>&, 
                  size_type, size_type _RWSTD_DEFAULT_ARG(npos), 
                  const Allocator&  _RWSTD_DEFAULT_ARG(Allocator()));
    basic_string (const charT*, size_type, 
                  const Allocator& _RWSTD_DEFAULT_ARG(Allocator()));
    basic_string (__sun_dummy, size_type,
                  const Allocator& _RWSTD_DEFAULT_ARG(Allocator()));
    basic_string (const charT*, const Allocator& _RWSTD_DEFAULT_ARG(Allocator()));

#ifdef _RWSTD_NO_DEFAULT_TEMPLATE_ARGS
    basic_string (const charT*, size_type); 
    basic_string (const charT*); 
    basic_string (size_type n, charT c) : __data_((charT*)0,Allocator())
    { __initn(n,c); }
#endif

#ifndef _RWSTD_NO_MEMBER_TEMPLATES
    template <class InputIterator>
    basic_string (InputIterator, InputIterator, const Allocator& _RWSTD_DEFAULT_ARG(Allocator()));
    basic_string (int n, charT c, const Allocator& alloc _RWSTD_DEFAULT_ARG(Allocator()))
      : __data_((charT*)0,alloc)
    { __initn(n,c); }
    basic_string (unsigned int n, charT c, const Allocator& alloc _RWSTD_DEFAULT_ARG(Allocator()))
      : __data_((charT*)0,alloc)
    { __initn(n,c); }
    basic_string (long n, charT c, const Allocator& alloc _RWSTD_DEFAULT_ARG(Allocator()))
      : __data_((charT*)0,alloc)
    { __initn(n,c); }
    basic_string (unsigned long n, charT c, const Allocator& alloc _RWSTD_DEFAULT_ARG(Allocator()))
      : __data_((charT*)0,alloc)
    { __initn(n,c); }
    basic_string (short n, charT c, const Allocator& alloc _RWSTD_DEFAULT_ARG(Allocator()))
      : __data_((charT*)0,alloc)
    { __initn(n,c); }
    basic_string (unsigned short n, charT c, const Allocator& alloc _RWSTD_DEFAULT_ARG(Allocator()))
      : __data_((charT*)0,alloc)
    { __initn(n,c); }
    basic_string (char n, charT c, const Allocator& alloc _RWSTD_DEFAULT_ARG(Allocator()))
      : __data_((charT*)0,alloc)
    { __initn(n,c); }
    basic_string (unsigned char n, charT c, const Allocator& alloc _RWSTD_DEFAULT_ARG(Allocator()))
      : __data_((charT*)0,alloc)
    { __initn(n,c); }
#ifndef _RWSTD_NO_OVERLOAD_WCHAR
    basic_string (wchar_t n, charT c, const Allocator& alloc _RWSTD_DEFAULT_ARG(Allocator()))
      : __data_((charT*)0,alloc)
    { __initn(n,c); }
#endif
#ifndef _RWSTD_NO_BOOL
    basic_string (bool n, charT c, const Allocator& alloc _RWSTD_DEFAULT_ARG(Allocator()))
      : __data_((charT*)0,alloc)
    { __initn(n,c); }
#endif
#else
    basic_string (size_type n, charT c, const Allocator& alloc _RWSTD_DEFAULT_ARG(Allocator()))
      : __data_((charT*)0,alloc)
    { __initn(n,c); }
#endif // _RWSTD_NO_MEMBER_TEMPLATES

    basic_string (const charT*, const charT*, const Allocator& _RWSTD_DEFAULT_ARG(Allocator()));
#ifdef _RWSTD_NO_DEFAULT_TEMPLATE_ARGS
    basic_string (const charT*, const charT*);
#endif

    ~basic_string ()
    {
      __unLink();
    }

    basic_string<charT, traits, Allocator>& operator= (const basic_string<charT, traits, Allocator>&);
    basic_string<charT, traits, Allocator>& operator= (const charT*);
    inline basic_string<charT, traits, Allocator>& operator= (charT);

    //
    // iterators
    //
    iterator begin () 
    { __cow(); __pref()->__setRefCount(0); return __data_.data(); }
    const_iterator begin () const  
    { return __data_.data(); }
    iterator end () 
    { __cow(); __pref()->__setRefCount(0); return __data_.data()+length(); }
    const_iterator end   () const  
    { return __data_.data()+length(); }

    reverse_iterator rbegin () 
    { reverse_iterator tmp(end()); return tmp; }
    const_reverse_iterator rbegin () const 
    { const_reverse_iterator tmp(end()); return tmp; }
    reverse_iterator rend ()
    { reverse_iterator tmp(begin()); return tmp; }
    const_reverse_iterator rend () const 
    { const_reverse_iterator tmp(begin()); return tmp; }

    //
    // capacity
    //
    size_type size () const   { return length(); }
    inline size_type length () const;
    size_type max_size () const
    {
      return npos - sizeof(__rep_type)-2;
    }
    inline void resize (size_type, charT);
    void resize (size_type n)
    {
      resize(n,__eos()); 
    }
    inline size_type capacity () const;
    inline void reserve (size_type=0);
    void clear () { erase(); }
    bool empty () const  { return length() == 0; }

    //
    // element access
    //
    inline const_reference operator[] (size_type) const;
    inline reference       operator[] (size_type);
    inline const_reference at (size_type) const;
    inline reference       at (size_type);

    //
    // modifiers
    //
    inline basic_string<charT, traits, Allocator>& operator+= (const basic_string<charT, traits, Allocator>&);
    inline basic_string<charT, traits, Allocator>& operator+= (const charT*);
    inline basic_string<charT, traits, Allocator>& operator+= (charT);

    basic_string<charT, traits, Allocator>& append (
        const  basic_string<charT, traits, Allocator>&);
    basic_string<charT, traits, Allocator>& append (
        const basic_string<charT, traits, Allocator>&,
        size_type, 
        size_type);
    inline basic_string<charT, traits, Allocator>& append (const charT*, size_type);
    inline basic_string<charT, traits, Allocator>& append (const charT*);

#ifndef _RWSTD_NO_MEMBER_TEMPLATES
    template<class InputIterator>
    inline basic_string<charT, traits, Allocator>& append (InputIterator,
                                                    InputIterator);
    basic_string<charT, traits, Allocator>& append (int n, charT c)
    { return replace(length(),0,n,c); }
    basic_string<charT, traits, Allocator>& append (unsigned int n, charT c)
    { return replace(length(),0,n,c); }
    basic_string<charT, traits, Allocator>& append (long n, charT c)
    { return replace(length(),0,n,c); }
    basic_string<charT, traits, Allocator>& append (unsigned long n, charT c)
    { return replace(length(),0,n,c); }
    basic_string<charT, traits, Allocator>& append (short n, charT c)
    { return replace(length(),0,n,c); }
    basic_string<charT, traits, Allocator>& append (unsigned short n, charT c)
    { return replace(length(),0,n,c); }
    basic_string<charT, traits, Allocator>& append (char n, charT c)
    { return replace(length(),0,n,c); }
    basic_string<charT, traits, Allocator>& append (unsigned char n, charT c)
    { return replace(length(),0,n,c); }
#ifndef _RWSTD_NO_OVERLOAD_WCHAR
    basic_string<charT, traits, Allocator>& append (wchar_t n, charT c)
    { return replace(length(),0,n,c); }
#endif
#ifndef _RWSTD_NO_BOOL
    basic_string<charT, traits, Allocator>& append (bool n, charT c)
    { return replace(length(),0,n,c); }
#endif
#else
    inline basic_string<charT, traits, Allocator>& append (const charT*,
                                                    const charT*);
    inline basic_string<charT, traits, Allocator>& append (size_type, charT);
#endif // _RWSTD_NO_MEMBER_TEMPLATES

    inline void push_back(const charT);

    basic_string<charT, traits, Allocator>& assign (
        const basic_string<charT, traits, Allocator>&);
    basic_string<charT, traits, Allocator>& assign (
        const basic_string<charT, traits, Allocator>&,
        size_type, 
        size_type);
    inline basic_string<charT, traits, Allocator>& assign (const charT*, size_type);
    inline basic_string<charT, traits, Allocator>& assign (const charT*);


#ifndef _RWSTD_NO_MEMBER_TEMPLATES
    template<class InputIterator>
    inline basic_string<charT, traits, Allocator>& assign (InputIterator,
                                                    InputIterator);
    basic_string<charT, traits, Allocator>& assign (int n, charT c)
    { return replace(0,length(),n,c); }
    basic_string<charT, traits, Allocator>& assign (unsigned int n, charT c)
    { return replace(0,length(),n,c); }
    basic_string<charT, traits, Allocator>& assign (long n, charT c)
    { return replace(0,length(),n,c); }
    basic_string<charT, traits, Allocator>& assign (unsigned long n, charT c)
    { return replace(0,length(),n,c); }
    basic_string<charT, traits, Allocator>& assign (short n, charT c)
    { return replace(0,length(),n,c); }
    basic_string<charT, traits, Allocator>& assign (unsigned short n, charT c)
    { return replace(0,length(),n,c); }
    basic_string<charT, traits, Allocator>& assign (char n, charT c)
    { return replace(0,length(),n,c); }
    basic_string<charT, traits, Allocator>& assign (unsigned char n, charT c)
    { return replace(0,length(),n,c); }
#ifndef _RWSTD_NO_OVERLOAD_WCHAR
    basic_string<charT, traits, Allocator>& assign (wchar_t n, charT c)
    { return replace(0,length(),n,c); }
#endif
#ifndef _RWSTD_NO_BOOL
    basic_string<charT, traits, Allocator>& assign (bool n, charT c)
    { return replace(0,length(),n,c); }
#endif
#else
    inline basic_string<charT, traits, Allocator>& assign (const charT*,
                                                    const charT*);   
    inline basic_string<charT, traits, Allocator>& assign (size_type, charT);
#endif  // _RWSTD_NO_MEMBER_TEMPLATES

    basic_string<charT, traits, Allocator> __sun_concat (const charT*) const ;
    basic_string<charT, traits, Allocator> __sun_concat (
	   const basic_string<charT, traits, Allocator>& ) const; 

    basic_string<charT, traits, Allocator>& __sun_append (const charT*) ;
    basic_string<charT, traits, Allocator>& __sun_append (
	    const basic_string<charT, traits, Allocator>& );

    basic_string<charT, traits, Allocator>& insert (size_type,
                                                    const basic_string<charT, traits, Allocator>&);
    basic_string<charT, traits, Allocator>& insert (
        size_type,
        const basic_string<charT, traits, Allocator>&,
        size_type, 
        size_type);
    inline basic_string<charT, traits, Allocator>& insert (
        size_type,
        const charT*, 
        size_type);
    inline basic_string<charT, traits, Allocator>& insert (size_type, const charT*);
    iterator insert (iterator pos, charT c)
    { 
      iterator tmp = __replace_aux(pos-begin(), 0, basic_string<charT, traits, Allocator>(1,c)); 
      __pref()->__setRefCount(0);
      return tmp;
    }

#ifndef _RWSTD_NO_MEMBER_TEMPLATES
    template<class InputIterator>
    inline void insert (iterator, InputIterator, InputIterator);
    void insert (iterator p, int n, charT c)
    { replace(p-begin(),0,n,c); }
    void insert (iterator p, unsigned int n, charT c)
    { replace(p-begin(),0,n,c); }
    void insert (iterator p, long n, charT c)
    { replace(p-begin(),0,n,c); }
    void insert (iterator p, unsigned long n, charT c)
    { replace(p-begin(),0,n,c); }
    void insert (iterator p, short n, charT c)
    { replace(p-begin(),0,n,c); }
    void insert (iterator p, unsigned short n, charT c)
    { replace(p-begin(),0,n,c); }
    void insert (iterator p, char n, charT c)
    { replace(p-begin(),0,n,c); }
    void insert (iterator p, unsigned char n, charT c)
    { replace(p-begin(),0,n,c); }
    basic_string<charT, traits, Allocator>& insert (size_type pos,int n,charT c)
    { return replace(pos,0,n,c); }
    basic_string<charT, traits, Allocator>& insert (size_type pos,unsigned int n,charT c)
    { return replace(pos,0,n,c); }
    basic_string<charT, traits, Allocator>& insert (size_type pos,long n,charT c)
    { return replace(pos,0,n,c); }
    basic_string<charT, traits, Allocator>& insert (size_type pos,unsigned long n,charT c)
    { return replace(pos,0,n,c); }
    basic_string<charT, traits, Allocator>& insert (size_type pos,short n,charT c)
    { return replace(pos,0,n,c); }
    basic_string<charT, traits, Allocator>& insert (size_type pos,unsigned short n,charT c)
    { return replace(pos,0,n,c); }
    basic_string<charT, traits, Allocator>& insert (size_type pos,char n,charT c)
    { return replace(pos,0,n,c); }
    basic_string<charT, traits, Allocator>& insert (size_type pos,unsigned char n,charT c)
    { return replace(pos,0,n,c); }
#ifndef _RWSTD_NO_OVERLOAD_WCHAR
    void insert (iterator p, wchar_t n, charT c)
    { replace(p-begin(),0,n,c); }
    basic_string<charT, traits, Allocator>& insert (size_type pos,wchar_t n,charT c)
    { return replace(pos,0,n,c); }
#endif
#ifndef _RWSTD_NO_BOOL
    void insert (iterator p, bool n, charT c)
    { replace(p-begin(),0,n,c);} 
    basic_string<charT, traits, Allocator>& insert (size_type pos,bool n,charT c)
    { return replace(pos,0,n,c); }
#endif

#else
    inline void insert (iterator, const charT*, const charT*);
    inline basic_string<charT, traits, Allocator>& insert (size_type,size_type,charT);
    inline void insert (iterator, size_type, charT);
#endif  // _RWSTD_NO_MEMBER_TEMPLATES
    
    inline basic_string<charT, traits, Allocator>& erase (size_type = 0,
                                                   size_type = npos);

    iterator erase (iterator it) 
    { 
      iterator ret = replace(it - begin(),1,(const charT *)NULL,0,0,0);
      __pref()->__setRefCount(0);
      return ret;
    }
    iterator erase (iterator first, iterator last) 
    {  
      iterator ret =  replace(first - begin(),last-first,(const charT *)NULL,0,0,0);
      __pref()->__setRefCount(0);
      return ret;
    }


  private:  
    //
    // Used for effiency
    //
    _TYPENAME 
    basic_string<charT, traits, Allocator>::iterator replace (size_type, 
                                                              size_type, 
                                                              const charT*,
                                                              size_type,
                                                              size_type,
                                                              size_type);


    _TYPENAME 
    basic_string<charT, traits, Allocator>::iterator __replace_aux (
        size_type, 
        size_type,
        const basic_string<charT, traits, Allocator>&,
        size_type =0,
        size_type =npos);

#ifndef _RWSTD_NO_MEMBER_TEMPLATES
    template<class InputIterator>
    basic_string<charT, traits, Allocator>& __replace_aux (
        iterator first1, 
        iterator last1,
        InputIterator first2,
        InputIterator last2);
#endif

  public:
    inline basic_string<charT, traits, Allocator>& replace (size_type, 
                                                     size_type,
                                                     const basic_string<charT, traits, Allocator>&);
    inline basic_string<charT, traits, Allocator>& replace (size_type, 
                                                     size_type,
                                                     const basic_string<charT, traits, Allocator>&,
                                                     size_type, 
                                                     size_type);
    inline basic_string<charT, traits, Allocator>& replace (size_type, 
                                                     size_type, 
                                                     const charT*, 
                                                     size_type);
    inline basic_string<charT, traits, Allocator>& replace (size_type,
                                                     size_type, 
                                                     const charT*);
    basic_string<charT, traits, Allocator>& replace (size_type,
                                                     size_type,
                                                     size_type,
                                                     charT);
    inline basic_string<charT, traits, Allocator>& replace (iterator,
                                                     iterator,
                                                     const basic_string<charT, traits, Allocator>&);
    inline basic_string<charT, traits, Allocator>& replace (iterator,
                                                     iterator,
                                                     const charT*,
                                                     size_type);
    inline basic_string<charT, traits, Allocator>& replace (iterator,
                                                     iterator,
                                                     const charT*);

#ifndef _RWSTD_NO_MEMBER_TEMPLATES
    template<class InputIterator>
    basic_string<charT, traits, Allocator>& replace (iterator, iterator, 
                                                     InputIterator,
                                                     InputIterator);
    basic_string<charT, traits, Allocator>& replace (iterator first,
                                                     iterator last,
                                                     int n,
                                                     charT c)
    { return replace(first-begin(),last-first,n,c); }
    basic_string<charT, traits, Allocator>& replace (iterator first,
                                                     iterator last,
                                                     unsigned int n,
                                                     charT c)
    { return replace(first-begin(),last-first,n,c); }
    basic_string<charT, traits, Allocator>& replace (iterator first,
                                                     iterator last,
                                                     long n,
                                                     charT c)
    { return replace(first-begin(),last-first,n,c); }
    basic_string<charT, traits, Allocator>& replace (iterator first,
                                                     iterator last,
                                                     unsigned long n,
                                                     charT c)
    { return replace(first-begin(),last-first,n,c); }
    basic_string<charT, traits, Allocator>& replace (iterator first,
                                                     iterator last,
                                                     short n,
                                                     charT c)
    { return replace(first-begin(),last-first,n,c); }
    basic_string<charT, traits, Allocator>& replace (iterator first,
                                                     iterator last,
                                                     unsigned short n,
                                                     charT c)
    { return replace(first-begin(),last-first,n,c); }
    basic_string<charT, traits, Allocator>& replace (iterator first,
                                                     iterator last,
                                                     char n,
                                                     charT c)
    { return replace(first-begin(),last-first,n,c); }
    basic_string<charT, traits, Allocator>& replace (iterator first,
                                                     iterator last,
                                                     unsigned char n,
                                                     charT c)
    { return replace(first-begin(),last-first,n,c); }
#ifndef _RWSTD_NO_OVERLOAD_WCHAR
    basic_string<charT, traits, Allocator>& replace (iterator first,
                                                     iterator last,
                                                     wchar_t n,
                                                     charT c)
    { return replace(first-begin(),last-first,n,c); }
#endif
#ifndef _RWSTD_NO_BOOL
    basic_string<charT, traits, Allocator>& replace (iterator first,
                                                     iterator last,
                                                     bool n,
                                                     charT c)
    { return replace(first-begin(),last-first,n,c); }
#endif
#else
    inline basic_string<charT, traits, Allocator>& replace (iterator, iterator, 
                                                     const charT*,
                                                     const charT*);
    inline basic_string<charT, traits, Allocator>& replace (iterator,
                                                     iterator,
                                                     size_type,
                                                     charT);
#endif  // _RWSTD_NO_MEMBER_TEMPLATES

    size_type copy (charT*, size_type, size_type = 0) const;
    basic_string<charT, traits, Allocator> copy () const; // Returns deep copy
    void swap(basic_string<charT, traits, Allocator>& s)
    {
      charT * temp = __data_.data(); __data_ = s.__data_.data(); s.__data_ = temp;
    }

    //
    // string operations
    //
    inline const charT* c_str () const;
    inline const charT* data  () const;
    allocator_type get_allocator() const
    {
      return (allocator_type)__data_;
    }

    inline size_type find (const basic_string<charT, traits, Allocator>&,
                    size_type = 0) const;
    size_type find (const charT*, size_type, size_type) const;
    inline size_type find (const charT*, size_type = 0) const;
    inline size_type find (charT, size_type = 0) const;

    inline size_type rfind (const basic_string<charT, traits, Allocator>&,
                     size_type = npos) const;
    size_type rfind (const charT*, size_type, size_type) const;
    inline size_type rfind (const charT*, size_type = npos) const;
    inline size_type rfind (charT, size_type = npos) const;

    inline size_type find_first_of (const basic_string<charT, traits, Allocator>&,
                             size_type = 0) const;
    size_type find_first_of (const charT*, size_type, size_type) const;
    inline size_type find_first_of (const charT*, size_type = 0) const;
    inline size_type find_first_of (charT, size_type = 0) const;
    inline size_type find_last_of (const basic_string<charT, traits, Allocator>&,
                            size_type = npos) const;
    size_type find_last_of (const charT*, size_type, size_type) const;
    inline size_type find_last_of (const charT*, size_type = npos) const;
    inline size_type find_last_of (charT, size_type = npos) const;

    inline size_type find_first_not_of (const basic_string<charT, traits, Allocator>&,
                                 size_type = 0) const;
    size_type find_first_not_of (const charT*, size_type ,
                                 size_type) const;
    inline size_type find_first_not_of (const charT*, size_type = 0) const;
    inline size_type find_first_not_of (charT, size_type = 0) const;

    inline size_type find_last_not_of (const basic_string<charT, traits, Allocator>&,
                                size_type = npos) const;
    size_type find_last_not_of (const charT*, size_type, size_type) const;
    inline size_type find_last_not_of (const charT*, size_type = npos) const;
    inline size_type find_last_not_of (charT, size_type = npos) const;
  
    basic_string<charT, traits, Allocator> substr (size_type = 0,
                                                   size_type = npos) const;
  
    inline int compare(const basic_string<charT, traits, Allocator>&) const;
    int compare(size_type, size_type,
                const basic_string<charT, traits, Allocator>&) const;
    int compare(size_type, size_type,
                const basic_string<charT, traits, Allocator>&,
                size_type, size_type) const;
    inline int compare (const charT*) const;
    int compare (size_type, size_type, const charT*, size_type) const;
    inline int compare (size_type, size_type, const charT*) const;

  protected:

    size_type __getCapac () const { return __pref()->__getCapac(); }

    void __clobber (size_type); // Remove old contents
    void __cow ()               // Do copy on write as necessary
    { 
      if (__pref()->__references() > 1) 
        __clone(); 
    }
    void __cow (size_type nc)     // Do copy on write w/ new capacity
    { 
      if (__pref()->__references() > 1 || __getCapac() < nc)
        __clone(nc);
    }

  private:

    void __initn(size_type, charT);

    static charT __eos () { return (charT)0; }
  
    //
    // Make a distinct copy of self
    //
    void __clone (); 
    //
    // Make a distinct copy w/ new capacity nc
    //
    void __clone (size_type nc);

    __string_ref_type *  __pref () const
    { 
#ifdef _RWSTD_SUNPRO_ANACHRONISM
      return (__string_ref_type*)__data_.data() - 1;
#else
      return _RWSTD_STATIC_CAST(__string_ref_type*,
                                ((_RWSTD_REINTERPRET_CAST(__string_ref_type*,__data_.data())) - 1)); 
#endif
    }

    //
    // Disconnect from ref, maybe delete it.
    //
    inline void      __unLink          ();   

#ifndef _RWSTD_NO_NAMESPACE
    friend class __RWSTD::__string_ref<charT,traits,Allocator>;
#else
    friend class __string_ref<charT,traits,Allocator>;
#endif

    //
    // Null string ref
    //
#ifndef _RWSTD_NO_STATIC_DEF3
    static const __null_ref_type __nullref;
#endif

    static __string_ref_type * __getNullRep ()
    {
#ifndef _RWSTD_NO_STATIC_DEF3
#  ifdef _RWSTD_NO_STATIC_CAST
      return (__string_ref_type *)&__nullref;
#  else
      return reinterpret_cast<__string_ref_type *>
             (const_cast<__null_ref_type *>(&__nullref));
#  endif // _RWSTD_NO_STATIC_CAST
#else
      if (!__RWSTD::__nullref_initialized)
      {
        new (&__RWSTD::__nullref) __null_ref_type();
        __RWSTD::__nullref_initialized = 1;
      }
      return (__string_ref_type *) &__RWSTD::__nullref[0]; 
#endif // _RWSTD_NO_STATIC_DEF3
    }

    static charT * __getNullRepRefData ()
    {
#ifndef _RWSTD_NO_STATIC_DEF3
#  ifdef _RWSTD_NO_STATIC_CAST
      __string_ref_type * tmpref = (__string_ref_type *)&__nullref);
#  else
      __string_ref_type * tmpref = reinterpret_cast<__string_ref_type *>
             (const_cast<__null_ref_type *>(&__nullref));
#  endif // _RWSTD_NO_STATIC_CAST
      tmpref->__addReference();
      return tmpref->data();
#else
      if (!__RWSTD::__nullref_initialized)
      {
        new (&__RWSTD::__nullref) __null_ref_type();
        __RWSTD::__nullref_initialized = 1;
      }
      __string_ref_type * tmpref = (__string_ref_type *)&__RWSTD::__nullref[0]; 
      tmpref->__addReference();
      return tmpref->data();

#endif // _RWSTD_NO_STATIC_DEF3
    }

    __string_ref_type * __getRep (size_type capac, size_type nchar);

    __string_ref_type * __getRep (size_type capac, size_type nchar) const;

    __RWSTD::__rw_basis<charT*,allocator_type>    __data_;                   
  };


//
// Standard Type Definitions
//
  typedef basic_string<char, char_traits<char>, allocator<char> >
  string;

#ifndef _RWSTD_NO_WIDE_CHAR
  typedef basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >
  wstring;
#endif



//
// The following has to go after the declaration of the string
// classes because of cross references.
//

#ifndef _RWSTD_NO_NAMESPACE
}
#endif

#ifdef _RW_STD_EXCEPT
#include <stdexcept>
#endif

#if defined(_RWSTD_NO_DESTROY_BUILTIN) || defined(_RWSTD_NO_DESTROY_NONBUILTIN)

#ifndef _RWSTD_NO_NAMESPACE
namespace __rwstd {
#endif
//
// Specializations for STL destroy
//
  inline void __destroy (string**)    {;}
  inline void __destroy (string***)   {;}
  inline void __destroy (string****)  {;}
#ifndef _RWSTD_NO_WIDE_CHAR
  inline void __destroy (wstring**)   {;}
  inline void __destroy (wstring***)  {;}
  inline void __destroy (wstring****) {;}
#endif

#ifndef _RWSTD_NO_NAMESPACE
}
#endif
#endif // _RWSTD_NO_DESTROY_BUILTIN || _RWSTD_NO_DESTROY_NONBUILTIN

#ifndef _RWSTD_NO_NAMESPACE
namespace std {
#endif

//
// Inline member functions for class basic_string
//

  template <class charT, class traits , class Allocator  >
  inline void basic_string<charT, traits, Allocator>::__unLink()
  {
    if (!__data_.data())
      return;
    if (__pref()->__references() == 0 || __pref()->__removeReference() == 0) 
    {
      __ref_alloc_type(__data_).destroy(__pref());
      __value_alloc_type(__data_).
        deallocate(_RWSTD_REINTERPRET_CAST(charT*,__pref()),length());
      __data_ = (charT*)0;
    }
  }

  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator>
  ::basic_string (const Allocator& alloc) : __data_((charT*)0,alloc)
  {
    __data_ = __getNullRep()->data();
    __getNullRep()->__addReference();
  }

#ifdef _RWSTD_NO_DEFAULT_TEMPLATE_ARGS
  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator>
  ::basic_string (void) : __data_((charT*)0,Allocator())
  {
    __data_ = __getNullRep()->data();
    __getNullRep()->__addReference();
  }
#endif

  template <class charT, class traits , class Allocator  >
  inline
  basic_string<charT, traits, Allocator>
  ::basic_string (const basic_string<charT, traits, Allocator> & s)
   : __data_((charT*)0,Allocator())
  {                     
    if ( s.__pref()->__references() > 0 )
    {                                    
      __data_ = s.__data_.data();
      __pref()->__addReference();
    }
    else
    {
      size_type n = s.length();
      __data_  = __getRep(n, n)->data();
      traits::copy(__data_.data(), s.c_str(), n);
    }
  }


  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator> &
  basic_string<charT, traits, Allocator>::operator= (charT c)
  {
    replace(0,length(),1,c);
    return *this;
  }

  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator> &
  basic_string<charT, traits, Allocator>::operator+= (const basic_string<charT, traits, Allocator>& s)
  {
    return __sun_append(s);
    //return append(s);
  }

  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator> &
  basic_string<charT, traits, Allocator>::operator+= (const charT* s)
  {
    return __sun_append(s);
    //return append(s);
  }

  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator> &
  basic_string<charT, traits, Allocator>::operator+= (charT c)
  {
    return append((size_type) 1, c);
  }

  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator> &
  basic_string<charT, traits, Allocator>::append (const charT* s, size_type n)
  {
    replace(size(),0,s,n,0,n);
    return *this;
  }

  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator> &
  basic_string<charT, traits, Allocator>::append (const charT* s)
  {
    // allocate new memory of strlen(s)+size()
    replace(size(),0,s);  // replace this.size(), starting at 0 with s
    return *this;
  }

#ifndef _RWSTD_NO_MEMBER_TEMPLATES
  template<class charT, class traits , class Allocator >
  template<class InputIterator>
  inline basic_string<charT, traits, Allocator>& 
  basic_string<charT, traits, Allocator>::append (InputIterator first, 
                                                  InputIterator last )
  {
    replace(end(),end(),first,last);
    return *this;
  }
#else
  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator>& 
  basic_string<charT, traits, Allocator>::append (const charT* first, 
                                                  const charT* last)
  {
    replace(size(),0,first,last-first,0,last-first);
    return *this;
  }

  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator> &
  basic_string<charT, traits, Allocator>::append (size_type n, charT c)
  {
    replace(length(),0,n,c);
    return *this;
  }
#endif // _RWSTD_NO_MEMBER_TEMPLATES 

  template <class charT, class traits , class Allocator  >
  void basic_string<charT, traits, Allocator>::push_back(const charT c)
  {
    replace(size(),0,1,c);
  }

  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator> &
  basic_string<charT, traits, Allocator>::assign (const charT* s, size_type n)
  {
    replace(0, length(), s, n, 0, n);
    return *this;
  }

  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator> &
  basic_string<charT, traits, Allocator>::assign (const charT* s)
  {
    size_type len = traits::length(s);
    replace(0, length(), s, len, 0, len);
    return *this;
  }

#ifndef _RWSTD_NO_MEMBER_TEMPLATES 
  template<class charT, class traits , class Allocator >
  template<class InputIterator>
  inline basic_string<charT, traits, Allocator>& 
  basic_string<charT, traits, Allocator>::assign (InputIterator first, 
                                                  InputIterator last)
  {
    replace(begin(),end(),first,last);
    return *this;
  }
#else
  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator>& 
  basic_string<charT, traits, Allocator>::assign (const charT* first, 
                                                  const charT* last)
  {
    replace(0,length(),first,last-first,0,last-first);
    return *this;
  }

  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator> &
  basic_string<charT, traits, Allocator>::assign (size_type n, charT c)
  {
    return replace(0,length(),n,c);
  }
#endif // _RWSTD_NO_MEMBER_TEMPLATES 

  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator> &
  basic_string<charT, traits, Allocator>::insert (size_type pos,
                                                  const charT* s,
                                                  size_type n)
  {
    replace(pos, 0, s, n, 0, n);
    return *this;
  }

  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator> &
  basic_string<charT, traits, Allocator>::insert (size_type pos, const charT* s)
  {
    size_type len = traits::length(s);
    replace(pos, 0, s, len, 0, len);
    return *this;
  }

#ifndef _RWSTD_NO_MEMBER_TEMPLATES
  template<class charT, class traits , class Allocator >
  template<class InputIterator>
  inline void 
  basic_string<charT, traits, Allocator>::insert (
      iterator p, 
      InputIterator first,
      InputIterator last)
  {
    replace(p,p,first,last);
  }
#else
  template <class charT, class traits , class Allocator  >
  inline void 
  basic_string<charT, traits, Allocator>::insert (
      iterator p, 
      const charT* first,
      const charT* last)
  {
    replace(p-begin(),0,first,last-first,0,last-first);
  }

  template <class charT, class traits , class Allocator  >
  inline void 
  basic_string<charT, traits, Allocator>::insert (
      iterator p,
      size_type n,
      charT c)
  {
      replace(p-begin(),0,n,c);
  }

  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator> &
  basic_string<charT, traits, Allocator>::insert(size_type pos,
                                                 size_type n,
                                                 charT c)
  {
    return replace(pos,0,n,c);
  }
#endif // _RWSTD_NO_MEMBER_TEMPLATES

  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator> &
  basic_string<charT, traits, Allocator>::erase (size_type pos, size_type n)
  {
    _RWSTD_THROW(pos > length(), out_of_range,
     __RWSTD::except_msg_string(__RWSTD::__rwse_StringIndexOutOfRange,
         "basic_string::erase(size_t,size_t)", pos,length()).msgstr());

    size_type len = length() - pos;
    charT tmp[1];
    *tmp = 0;
    return replace(pos,n < len ? n : len, tmp,0);
  }

  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator> &
  basic_string<charT, traits, Allocator>::replace (size_type pos1,
                                                   size_type n1,
                                                   const basic_string<charT, traits, Allocator> & str, 
                                                   size_type pos2,
                                                   size_type n2)
  {
    replace(pos1, n1, str.data(), str.length(), pos2, n2);
    return *this;
  }

  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator> &
  basic_string<charT, traits, Allocator>::replace (
      size_type pos1,
      size_type n1,
      const basic_string<charT, traits, Allocator> & str)
  {
    replace(pos1, n1, str.data(), str.length(),0,str.length());
    return *this;
  }

  template <class charT, class traits , class Allocator  >
  inline _TYPENAME basic_string<charT, traits, Allocator>::iterator
  basic_string<charT, traits, Allocator>::__replace_aux (size_type pos1,
                                                       size_type n1,
                                                       const basic_string<charT, traits, Allocator> & str, 
                                                       size_type pos2,
                                                       size_type n2)
  {
    return replace(pos1, n1, str.data(), str.length(), pos2, n2);
  }

  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator> &
  basic_string<charT, traits, Allocator>::replace (size_type pos,
                                                   size_type n1,
                                                   const charT* s,
                                                   size_type n2)
  {
    replace(pos, n1, s, n2, 0, n2);
    return *this;
  }

  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator> &
  basic_string<charT, traits, Allocator>::replace (size_type pos,
                                                   size_type n1,
                                                   const charT* s)
  {
    size_type len = traits::length(s);
    replace(pos, n1, s, len, 0, len);
    return *this;
  }

  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator>& 
  basic_string<charT, traits, Allocator>::replace (
      iterator first,
      iterator last,
      const basic_string<charT, traits, Allocator>& str)
  {
    return replace(first - begin(), last - first, str);
  }

  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator>& 
  basic_string<charT, traits, Allocator>::replace (
      iterator first, 
      iterator last,
      const charT* s,
      size_type n)
  {
    replace(first-begin(),last-first,s,n,0,n);
    return *this;
  }

  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator>& 
  basic_string<charT, traits, Allocator>::replace (
      iterator first, 
      iterator last,
      const charT* s)
  {
    size_type len = traits::length(s);
    replace(first-begin(),last-first,s,len,0,len);
    return *this;
  }


#ifdef _RWSTD_NO_MEMBER_TEMPLATES
  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator>& 
  basic_string<charT, traits, Allocator>::replace (
      iterator first1, 
      iterator last1,
      const charT* first2,
      const charT* last2)
  {
    replace(first1-begin(),last1-first1,first2,last2-first2,0,last2-first2);
    return *this;
  }

  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator>& 
  basic_string<charT, traits, Allocator>::replace (
      iterator first, 
      iterator last,
      size_type n,
      charT c)
  {
    return replace(first-begin(),last-first,n,c);
  }
#endif

  template <class charT, class traits , class Allocator  >
  inline _TYPENAME basic_string<charT, traits,Allocator>::const_reference 
  basic_string<charT, traits, Allocator>::operator[] (size_type pos) const
  {
#ifdef _RWSTD_BOUNDS_CHECKING
    _RWSTD_THROW(pos > size(), out_of_range,
     __RWSTD::except_msg_string(__RWSTD::__rwse_PosBeyondEndOfString,
        "basic_string::operator[](size_t) const", pos,size()).msgstr());
#endif
    return __data_.data()[pos];
  }

  template <class charT, class traits , class Allocator  >
  inline _TYPENAME basic_string<charT, traits, Allocator>::reference
  basic_string<charT, traits, Allocator>::operator[] (size_type pos)
  {
#ifdef _RWSTD_BOUNDS_CHECKING
    _RWSTD_THROW(pos >= size(), out_of_range,
     __RWSTD::except_msg_string(__RWSTD::__rwse_PosBeyondEndOfString,
        "basic_string::operator[](size_t)", pos,size()).msgstr());
#endif
    __cow();
    __pref()->__setRefCount(0);
    return __data_.data()[pos];
  }

  template <class charT, class traits , class Allocator  >
  inline _TYPENAME basic_string<charT, traits, Allocator>::const_reference
  basic_string<charT, traits, Allocator>::at (size_type pos) const
  {
    _RWSTD_THROW(pos >= size(), out_of_range,
     __RWSTD::except_msg_string(__RWSTD::__rwse_PosBeyondEndOfString,
        "basic_string::at(size_t) const", pos,size()).msgstr());

    return __data_.data()[pos];
  }


  template <class charT, class traits , class Allocator  >
  inline _TYPENAME basic_string<charT, traits, Allocator>::reference
  basic_string<charT, traits, Allocator>::at (size_type pos)
  {
    _RWSTD_THROW(pos >= size(), out_of_range,
     __RWSTD::except_msg_string(__RWSTD::__rwse_PosBeyondEndOfString,
          "basic_string::at(size_t)", pos,size()).msgstr());

    __cow();
    __pref()->__setRefCount(0);
    return __data_.data()[pos];
  }

  template <class charT, class traits , class Allocator  >
  inline const charT* basic_string<charT, traits, Allocator>::c_str () const
  {
    return __data_.data();
  }

  template <class charT, class traits , class Allocator  >
  inline const charT* basic_string<charT, traits, Allocator>::data () const
  {
    return __data_.data();
  }

  template <class charT, class traits , class Allocator  >
  inline _TYPENAME basic_string<charT, traits, Allocator>::size_type
  basic_string<charT, traits, Allocator>::length () const
  {
    return __pref()->__nchars_;
  }

  template <class charT, class traits , class Allocator  >
  inline void
  basic_string<charT, traits, Allocator>::resize (size_type n, charT c)
  {
    _RWSTD_THROW(n > max_size(), length_error,
     __RWSTD::except_msg_string(__RWSTD::__rwse_InvalidSizeParam,
        "basic_string( const charT*,size_type,const Allocator&)",n,npos).msgstr());
    if (n < length())
      erase(n,length()-n);
    else
      replace(length(),0,n-length(),c);
    __pref()->__setRefCount(1);
  }

  template <class charT, class traits , class Allocator  >
  inline _TYPENAME basic_string<charT, traits, Allocator>::size_type
  basic_string<charT, traits, Allocator>::capacity () const
  {
    return __getCapac();
  }

  template <class charT, class traits , class Allocator  >
  inline void basic_string<charT, traits, Allocator>::reserve(size_type res_arg)
  {
     _RWSTD_THROW(res_arg > max_size(), length_error,
        __RWSTD::except_msg_string(__RWSTD::__rwse_InvalidSizeParam,
          "basic_string::reserve(size_t)",res_arg,max_size()).msgstr());

    if (res_arg > __getCapac()) __clone(res_arg);
  }

  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator>
  basic_string<charT, traits, Allocator>::copy () const
  {
    basic_string<charT, traits, Allocator> temp(*this); // Make referenced copy
    temp.__clone();   // Make a distinct copy
    return temp;
  }

  template <class charT, class traits, class Allocator >
  inline _TYPENAME basic_string<charT, traits, Allocator>::size_type
  basic_string<charT, traits, Allocator>::find (
      const basic_string<charT, traits, Allocator>& str,
      size_type                                     pos) const
  {
    return find(str.c_str(),pos,str.length());
  }

  template <class charT, class traits , class Allocator  >
  inline _TYPENAME basic_string<charT, traits, Allocator>::size_type
  basic_string<charT, traits, Allocator>::find (const charT* s,
                                                size_type pos) const
  {
    _RWSTD_THROW(s == 0, logic_error,
     __RWSTD::except_msg_string(__RWSTD::__rwse_UnexpectedNullPtr,
       "basic_string::find(const char*,size_t) const").msgstr());

    if (pos > length())
      return npos;
    const charT* p = __RWSTD::rw_traits<charT,traits>::find(__data_.data()+pos,s);
    return p ? p - __data_.data() : npos;
  }

  template <class charT, class traits , class Allocator  >
  inline _TYPENAME basic_string<charT, traits, Allocator>::size_type
  basic_string<charT, traits, Allocator>::find (charT c, size_type pos) const
  {
    if (pos > length())
      return npos;
    const charT* p =  traits::find(__data_.data()+pos,length()-pos,c);
    return p ? p - __data_.data() : npos;
  }

  template <class charT, class traits, class Allocator >
  inline _TYPENAME basic_string<charT, traits, Allocator>::size_type
  basic_string<charT, traits, Allocator>::rfind (
      const basic_string<charT, traits, Allocator>& str,
      size_type                                     pos) const
  {
    return rfind(str.c_str(), pos, str.length());
  }

  template <class charT, class traits , class Allocator  >
  inline _TYPENAME basic_string<charT, traits, Allocator>::size_type
  basic_string<charT, traits, Allocator>::rfind (const charT* s, size_type pos)
  const
  {  
    size_type len = traits::length(s);
    return rfind(s, pos,len);
  }

  template <class charT, class traits , class Allocator  >
  inline _TYPENAME basic_string<charT, traits, Allocator>::size_type
  basic_string<charT, traits, Allocator>::rfind (charT c, size_type pos) const
  {
    if (!length())
      return npos;

    if (pos >= length())
      pos = length() - 1;   // start at the last valid position
    const charT* p = __RWSTD::rw_traits<charT,traits>::rfind(__data_.data(),c,pos);
    return p ? p - __data_.data() : npos;
  }

  template <class charT, class traits, class Allocator >
  inline _TYPENAME basic_string<charT, traits, Allocator>::size_type
  basic_string<charT, traits, Allocator>::find_first_of (
      const basic_string<charT, traits, Allocator>& str,
      size_type                                     pos) const
  {
    return find_first_of(str.c_str(),pos,str.length());
  }

  template <class charT, class traits , class Allocator  >
  inline _TYPENAME basic_string<charT, traits, Allocator>::size_type
  basic_string<charT, traits, Allocator>::find_first_of (const charT* s,
                                                         size_type pos) const
  {
    _RWSTD_THROW(s == 0, logic_error,
     __RWSTD::except_msg_string(__RWSTD::__rwse_UnexpectedNullPtr,
        "basic_string::find_first_of(char*,size_t) const").msgstr());

    if (pos > length())
      return npos;
    size_type i = __RWSTD::rw_traits<charT,traits>::find_first_of(__data_.data()+pos,s) + pos;
    return i >= length() ? npos : i;
  }

  template <class charT, class traits , class Allocator  >
  inline _TYPENAME basic_string<charT, traits, Allocator>::size_type
  basic_string<charT, traits, Allocator>::find_first_of (charT c, size_type pos) const
  {
    return find(c, pos);
  }

  template <class charT, class traits, class Allocator >
  inline _TYPENAME basic_string<charT, traits, Allocator>::size_type
  basic_string<charT, traits, Allocator>::find_last_of (
      const basic_string<charT, traits, Allocator>& str,
      size_type                                     pos) const
  {
    return find_last_of(str.c_str(), pos,str.length());
  }

  template <class charT, class traits , class Allocator  >
  inline _TYPENAME basic_string<charT, traits, Allocator>::size_type
  basic_string<charT, traits, Allocator>::find_last_of (const charT* s,
                                                        size_type pos) const
  {
    size_type len = traits::length(s);
    return find_last_of(s, pos,len);
  }

  template <class charT, class traits , class Allocator  >
  inline _TYPENAME basic_string<charT, traits, Allocator>::size_type
  basic_string<charT, traits, Allocator>::find_last_of (charT c, size_type pos)
  const
  {
    return rfind(c,pos);
  }

  template <class charT, class traits, class Allocator >
  inline _TYPENAME basic_string<charT, traits, Allocator>::size_type
  basic_string<charT, traits, Allocator>::find_first_not_of (
      const basic_string<charT, traits, Allocator>& str,
      size_type                                     pos) const
  {
    return find_first_not_of(str.c_str(), pos, str.length());
  }

  template <class charT, class traits , class Allocator  >
  inline _TYPENAME basic_string<charT, traits, Allocator>::size_type
  basic_string<charT, traits, Allocator>::find_first_not_of (const charT* s,
                                                             size_type pos) const
  {
    _RWSTD_THROW(s == 0, logic_error,
     __RWSTD::except_msg_string(__RWSTD::__rwse_UnexpectedNullPtr,
       "basic_string::find_first_not_of(char*,size_t) const").msgstr());

    if (pos > length())
      return npos;
    size_type i = __RWSTD::rw_traits<charT,traits>::find_first_not_of(__data_.data()+pos,s) + pos;
    return i >= length() ? npos : i;
  }

  template <class charT, class traits , class Allocator  >
  inline _TYPENAME basic_string<charT, traits, Allocator>::size_type
  basic_string<charT, traits, Allocator>::find_first_not_of (charT c,
                                                             size_type pos) const
  {
    charT tmp[2];
    *tmp = c;
    tmp[1] = 0;
    return find_first_not_of(tmp, pos);
  }

  template <class charT, class traits, class Allocator >
  inline _TYPENAME basic_string<charT, traits, Allocator>::size_type
  basic_string<charT, traits, Allocator>::find_last_not_of (
      const basic_string<charT, traits, Allocator>& str,
      size_type                                     pos) const
  {
    return find_last_not_of(str.c_str(), pos, str.length());
  }

  template <class charT, class traits , class Allocator  >
  inline _TYPENAME basic_string<charT, traits, Allocator>::size_type
  basic_string<charT, traits, Allocator>::find_last_not_of (const charT* s,
                                                            size_type pos) const
  {
    size_type len = traits::length(s);
    return find_last_not_of(s, pos, len);
  }

  template <class charT, class traits , class Allocator  >
  inline _TYPENAME basic_string<charT, traits, Allocator>::size_type
  basic_string<charT, traits, Allocator>::find_last_not_of (charT c,
                                                            size_type pos) const
  {
    charT tmp[2];
    *tmp = c;
    tmp[1] = 0;
    return find_last_not_of(tmp, pos);
  }

  template <class charT, class traits, class Allocator >
  inline int
  basic_string<charT, traits, Allocator>::compare (
      const basic_string<charT, traits, Allocator>& str) const
  {
    return compare(0,length(),str.c_str(),str.length());
  }

  template <class charT, class traits , class Allocator  >
  inline int
  basic_string<charT, traits, Allocator>::compare (size_type pos,
                                                   size_type n1,
                                                   const charT* s) const
  {
    size_type len = traits::length(s);
    return compare(pos,n1,s,len);
  }

  template <class charT, class traits , class Allocator  >
  inline int
  basic_string<charT, traits, Allocator>::compare (const charT* s) const
  {
    size_type len = traits::length(s);
    return compare(0,length(),s,len);
  }

//
// Inlined non-member operators
//

  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator> operator+(
      const basic_string<charT, traits, Allocator>& lhs,
      const basic_string<charT, traits, Allocator>& rhs)
  {
    return lhs.__sun_concat(rhs);
    //return basic_string<charT, traits, Allocator>(lhs).append(rhs);
  }

  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator> operator+(
      const charT*                                  lhs,
      const basic_string<charT, traits, Allocator>& rhs)
  {
    return basic_string<charT, traits, Allocator>(lhs).__sun_concat(rhs);
    //return basic_string<charT, traits, Allocator>(lhs).append(rhs);
  }

  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator> operator+(
      charT lhs, const basic_string<charT, traits, Allocator>& rhs)
  {
    return basic_string<charT, traits, Allocator>(1,lhs).append(rhs);
  }

  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator> operator+(
      const basic_string<charT, traits, Allocator>& lhs,
      const charT*                                  rhs)
  {
    return lhs.__sun_concat(rhs);    

    //return basic_string<charT,traits,Allocator>(lhs).append(basic_string<charT, traits, Allocator>(rhs));
  }

  template <class charT, class traits , class Allocator  >
  inline basic_string<charT, traits, Allocator> operator+(
      const basic_string<charT, traits, Allocator>& lhs,
      charT                                         rhs)
  {
    return basic_string<charT,traits,Allocator>(lhs).append(basic_string<charT, traits, Allocator>(1,rhs));
  }

  template <class charT, class traits , class Allocator  >
  inline bool operator==(
      const basic_string<charT, traits, Allocator>& lhs,
      const basic_string<charT, traits, Allocator>& rhs)
  {
    return lhs.compare(rhs) == 0 ? true : false ;
  }

  template <class charT, class traits , class Allocator  >
  inline bool operator==(
      const charT*                                  lhs,
      const basic_string<charT, traits, Allocator>& rhs)
  {
    return basic_string<charT,traits,Allocator>(lhs).compare(rhs)==0?true:false;
  }

  template <class charT, class traits , class Allocator  >
  inline bool operator==(
      const basic_string<charT, traits, Allocator>& lhs,
      const charT*                                  rhs)
  {
    return lhs.compare(basic_string<charT,traits,Allocator>(rhs))==0?true:false;
  }

  template <class charT, class traits , class Allocator  >
  inline bool operator<(
      const basic_string<charT, traits, Allocator>& lhs,
      const basic_string<charT, traits, Allocator>& rhs)
  {
    return lhs.compare(rhs) < 0 ? true:false ;
  }

  template <class charT, class traits , class Allocator  >
  inline bool operator<(
      const charT*                                  lhs,
      const basic_string<charT, traits, Allocator>& rhs)
  {
    return basic_string<charT,traits,Allocator>(lhs).compare(rhs)<0?true:false;
  }

  template <class charT, class traits , class Allocator  >
  inline bool operator<(
      const basic_string<charT, traits, Allocator>& lhs,
      const charT*                                  rhs)
  {
    return lhs.compare(basic_string<charT,traits,Allocator>(rhs))<0?true:false;
  }

#if !defined(_RWSTD_NO_NAMESPACE) || !defined(_RWSTD_NO_PART_SPEC_OVERLOAD)
  template <class charT, class traits , class Allocator  >
  inline bool operator!=(
      const basic_string<charT, traits, Allocator>& lhs,
      const basic_string<charT, traits, Allocator>& rhs)
  {
    return lhs.compare(rhs) != 0 ? true : false;
  }
#endif

  template <class charT, class traits , class Allocator  >
  inline bool operator!=(
      const charT*                                  lhs,
      const basic_string<charT, traits, Allocator>& rhs)
  {
    return basic_string<charT,traits,Allocator>(lhs).compare(rhs)!=0?true:false;
  }

  template <class charT, class traits , class Allocator  >
  inline bool operator!=(
      const basic_string<charT, traits, Allocator>& lhs,
      const charT*                                  rhs)
  {
    return lhs.compare(basic_string<charT,traits,Allocator>(rhs))!=0?true:false;
  }

#if !defined(_RWSTD_NO_NAMESPACE) || !defined(_RWSTD_NO_PART_SPEC_OVERLOAD)
  template <class charT, class traits , class Allocator  >
  inline bool operator>(
      const basic_string<charT, traits, Allocator>& lhs,
      const basic_string<charT, traits, Allocator>& rhs)
  {
    return lhs.compare(rhs) > 0 ? true : false;
  }
#endif

  template <class charT, class traits , class Allocator  >
  inline bool operator>(
      const charT*                                  lhs,
      const basic_string<charT, traits, Allocator>& rhs)
  {
    return basic_string<charT,traits,Allocator>(lhs).compare(rhs)>0?true:false;
  }

  template <class charT, class traits , class Allocator  >
  inline bool operator>(
      const basic_string<charT, traits, Allocator>& lhs,
      const charT*                                  rhs)
  {
    return lhs.compare(basic_string<charT,traits,Allocator>(rhs))>0?true:false;
  }

#if !defined(_RWSTD_NO_NAMESPACE) || !defined(_RWSTD_NO_PART_SPEC_OVERLOAD)
  template <class charT, class traits , class Allocator  >
  inline bool operator<=(
      const basic_string<charT, traits, Allocator>& lhs,
      const basic_string<charT, traits, Allocator>& rhs)
  {
    return lhs.compare(rhs) <= 0 ? true : false;
  }
#endif

  template <class charT, class traits , class Allocator  >
  inline bool operator<=(
      const charT*                                  lhs,
      const basic_string<charT, traits, Allocator>& rhs)
  {
    return basic_string<charT,traits,Allocator>(lhs).compare(rhs)<=0?true:false;
  }

  template <class charT, class traits , class Allocator  >
  inline bool operator<=(
      const basic_string<charT, traits, Allocator>& lhs,
      const charT*                                  rhs)
  {
    return lhs.compare(basic_string<charT,traits,Allocator>(rhs))<=0?true:false;
  }

#if !defined(_RWSTD_NO_NAMESPACE) || !defined(_RWSTD_NO_PART_SPEC_OVERLOAD)
  template <class charT, class traits , class Allocator  >
  inline bool operator>=(
      const basic_string<charT, traits, Allocator>& lhs,
      const basic_string<charT, traits, Allocator>& rhs)
  {
    return lhs.compare(rhs) >= 0 ? true:false;
  }
#endif

  template <class charT, class traits , class Allocator  >
  inline bool operator>=(
      const charT*                                  lhs,
      const basic_string<charT, traits, Allocator>& rhs)
  {
    return basic_string<charT,traits,Allocator>(lhs).compare(rhs)>=0?true:false;
  }

  template <class charT, class traits , class Allocator  >
  inline bool operator>=(
      const basic_string<charT, traits, Allocator>& lhs,
      const charT*                                  rhs)
  {
    return lhs.compare(basic_string<charT,traits,Allocator>(rhs))>=0?true:false;
  }

#if !defined(_RWSTD_NO_NAMESPACE) || !defined(_RWSTD_NO_PART_SPEC_OVERLOAD)
  template <class charT, class traits, class Allocator>
  inline void swap(basic_string<charT,traits,Allocator>& a, 
                   basic_string<charT,traits,Allocator>& b)
  {
    a.swap(b);
  }
#endif

#ifndef _RW_STD_IOSTREAM

  template<class charT, class traits , class Allocator >
  istream & _RWSTDExportTemplate operator >> (
      istream & is, basic_string<charT, traits, Allocator > & str);

  template<class charT, class traits , class Allocator >
  ostream& _RWSTDExportTemplate operator << (
      ostream & os, const basic_string<charT, traits, Allocator > & str);

  template<class Stream, class charT, class traits , class Allocator >
  Stream& _RWSTDExportTemplate getline(Stream& is, 
                                       basic_string<charT, traits,Allocator>& str, charT delim);

  template<class Stream, class charT, class traits , class Allocator >
  Stream& _RWSTDExportTemplate getline(Stream& is, 
                                       basic_string<charT, traits,Allocator>& str)
  { return getline(is,str,'\n'); }

#endif /*_RW_STD_IOSTREAM*/

#ifdef _RWSTD_MSC22_STATIC_INIT_BUG
#undef npos
#endif

#ifndef _RWSTD_NO_NAMESPACE
}
#endif

#ifdef _RWSTD_COMPILE_INSTANTIATE
#include <string.cc>
#endif


#endif /*defined __STD_STRING*/







