/*

 * Portions Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.

 *

 * Copyright (c) 1999

 * Silicon Graphics Computer Systems, Inc.

 *

 * Copyright (c) 1999

 * Boris Fomitchev

 *

 * This material is provided "as is", with absolutely no warranty expressed

 * or implied. Any use is at your own risk.

 *

 * Permission to use or copy this software for any purpose is hereby granted

 * without fee, provided the above notices are retained on all copies.

 * Permission to modify the code and to distribute modified code is granted,

 * provided the above notices are retained, and a notice that the code was

 * modified is included with the above copyright notice.

 *

 */

// WARNING: This is an internal header file, included by other C++

// standard library headers.  You should not attempt to use this header

// file directly.

#ifndef _STLP_INTERNAL_COLLATE_H

#define _STLP_INTERNAL_COLLATE_H

#ifndef _STLP_C_LOCALE_H

# include <stl/c_locale.h>

#endif

#ifndef _STLP_INTERNAL_LOCALE_H

# include <stl/_locale.h>

#endif

#ifndef _STLP_INTERNAL_STRING_H

# include <stl/_string.h>

#endif

_STLP_BEGIN_NAMESPACE

template <class _CharT> class collate {};

template <class _CharT> class collate_byname {};

_STLP_TEMPLATE_NULL

class _STLP_CLASS_DECLSPEC collate<char> : public locale::facet

{

  friend class _Locale_impl;

public:

  typedef char   char_type;

  typedef string string_type;

  explicit collate(size_t __refs = 0) : locale::facet(__refs) {}

  int compare(const char* __low1, const char* __high1,

              const char* __low2, const char* __high2) const {

    return do_compare( __low1, __high1, __low2, __high2);

  }

  string_type transform(const char* __low, const char* __high) const {

    return do_transform(__low, __high);

  }

  long hash(const char* __low, const char* __high) const

    { return do_hash(__low, __high); }

#if defined(__SYMBIAN32__WSD__) 

  static _STLP_STATIC_MEMBER_DECLSPEC locale::id& GetFacetLocaleId();

#elif defined (__SYMBIAN32__NO_STATIC_IMPORTS__)    

  static _STLP_STATIC_MEMBER_DECLSPEC locale::id& GetFacetLocaleId();

  static locale::id id;       

#else

  // NOTE: Symbian doesn't support exporting static data.  

  // Users of this class should use GetFacetLocaleId() to access the data member id  

  static _STLP_STATIC_MEMBER_DECLSPEC locale::id id;

#endif

protected:

  _STLP_DECLSPEC ~collate();

  _STLP_DECLSPEC virtual int do_compare(const char*, const char*,

                         const char*, const char*) const;

  _STLP_DECLSPEC virtual string_type do_transform(const char*, const char*) const;

  _STLP_DECLSPEC virtual long do_hash(const char*, const char*) const;

private:

  collate(const collate<char>&);

  collate<char>& operator =(const collate<char>&);

};

# ifndef _STLP_NO_WCHAR_T

_STLP_TEMPLATE_NULL

class _STLP_CLASS_DECLSPEC collate<wchar_t> : public locale::facet

{

  friend class _Locale_impl;

public:

  typedef wchar_t char_type;

  typedef wstring string_type;

  explicit collate(size_t __refs = 0) : locale::facet(__refs) {}

  int compare(const wchar_t* __low1, const wchar_t* __high1,

              const wchar_t* __low2, const wchar_t* __high2) const {

    return do_compare( __low1, __high1, __low2, __high2);

  }

  string_type transform(const wchar_t* __low, const wchar_t* __high) const {

    return do_transform(__low, __high);

  }

  long hash(const wchar_t* __low, const wchar_t* __high) const

    { return do_hash(__low, __high); }

#if defined(__SYMBIAN32__WSD__) 

  static _STLP_STATIC_MEMBER_DECLSPEC locale::id& GetFacetLocaleId();

#elif defined (__SYMBIAN32__NO_STATIC_IMPORTS__)    

  static _STLP_STATIC_MEMBER_DECLSPEC locale::id& GetFacetLocaleId();

  static locale::id id;       

#else

  // NOTE: Symbian doesn't support exporting static data.  

  // Users of this class should use GetFacetLocaleId() to access the data member id  

  static _STLP_STATIC_MEMBER_DECLSPEC locale::id id;

#endif

protected:

  _STLP_DECLSPEC ~collate();

  _STLP_DECLSPEC virtual int do_compare(const wchar_t*, const wchar_t*,

                         const wchar_t*, const wchar_t*) const;

  _STLP_DECLSPEC virtual string_type do_transform(const wchar_t*, const wchar_t*) const;

  _STLP_DECLSPEC virtual long do_hash(const wchar_t* __low, const wchar_t* __high) const;

private:

  collate(const collate<wchar_t>&);

  collate<wchar_t>& operator = (const collate<wchar_t>&);

};

# endif /* NO_WCHAR_T */

_STLP_TEMPLATE_NULL

class _STLP_CLASS_DECLSPEC collate_byname<char>: public collate<char>

{

public:

  _STLP_DECLSPEC explicit collate_byname(const char* __name, size_t __refs = 0, _Locale_name_hint* __hint = 0);

protected:

  _STLP_DECLSPEC ~collate_byname();

  _STLP_DECLSPEC virtual int do_compare(const char*, const char*,

                         const char*, const char*) const;

  _STLP_DECLSPEC virtual string_type do_transform(const char*, const char*) const;

private:

  _Locale_collate* _M_collate;

  collate_byname(const collate_byname<char>&);

  collate_byname<char>& operator =(const collate_byname<char>&);

  friend _Locale_name_hint* _Locale_extract_hint(collate_byname<char>*);

};

# ifndef _STLP_NO_WCHAR_T

_STLP_TEMPLATE_NULL

class _STLP_CLASS_DECLSPEC collate_byname<wchar_t>: public collate<wchar_t>

{

public:

  _STLP_DECLSPEC explicit collate_byname(const char * __name, size_t __refs = 0, _Locale_name_hint* __hint = 0);

protected:

  _STLP_DECLSPEC ~collate_byname();

  _STLP_DECLSPEC virtual int do_compare(const wchar_t*, const wchar_t*,

                         const wchar_t*, const wchar_t*) const;

  _STLP_DECLSPEC virtual string_type do_transform(const wchar_t*, const wchar_t*) const;

private:

  _Locale_collate* _M_collate;

  collate_byname(const collate_byname<wchar_t>&);

  collate_byname<wchar_t>& operator =(const collate_byname<wchar_t>&);

};

# endif /* NO_WCHAR_T */

template <class _CharT, class _Traits, class _Alloc>

bool

__locale_do_operator_call (const locale& __loc,

                           const basic_string<_CharT, _Traits, _Alloc>& __x,

                           const basic_string<_CharT, _Traits, _Alloc>& __y) {

  collate<_CharT> const& __coll = use_facet<collate<_CharT> >(__loc);

  return __coll.compare(__x.data(), __x.data() + __x.size(),

                        __y.data(), __y.data() + __y.size()) < 0;

}

_STLP_END_NAMESPACE

#endif /* _STLP_INTERNAL_COLLATE_H */

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// mode:C++

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