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std::collate

std::collate< _CharT >(3cxx)											      std::collate< _CharT >(3cxx)

NAME

       std::collate< _CharT > -

SYNOPSIS

       Inherits std::locale::facet.

       Inherited by std::collate_byname< _CharT >.

   Public Types

	   typedef _CharT char_type
	   typedef basic_string< _CharT > string_type

   Public Member Functions
       collate (size_t __refs=0)
       collate (__c_locale __cloc, size_t __refs=0)
       int _M_compare (const _CharT *, const _CharT *) const   throw ()
       template<> int _M_compare (const char *, const char *) const  throw()
       template<> int _M_compare (const wchar_t *, const wchar_t *) const  throw()
       size_t _M_transform (_CharT *, const _CharT *, size_t) const   throw ()
       template<> size_t _M_transform (char *, const char *, size_t) const  throw()
       template<> size_t _M_transform (wchar_t *, const wchar_t *, size_t) const  throw()
       int compare (const _CharT *__lo1, const _CharT *__hi1, const _CharT *__lo2, const _CharT *__hi2) const
       long hash (const _CharT *__lo, const _CharT *__hi) const
       string_type transform (const _CharT *__lo, const _CharT *__hi) const

   Static Public Attributes
       static locale::id id

   Protected Member Functions
       virtual ~collate ()
       virtual int do_compare (const _CharT *__lo1, const _CharT *__hi1, const _CharT *__lo2, const _CharT *__hi2) const
       virtual long do_hash (const _CharT *__lo, const _CharT *__hi) const
       virtual string_type do_transform (const _CharT *__lo, const _CharT *__hi) const

   Static Protected Member Functions
       static __c_locale _S_clone_c_locale (__c_locale &__cloc)  throw ()
       static void _S_create_c_locale (__c_locale &__cloc, const char *__s, __c_locale __old=0)
       static void _S_destroy_c_locale (__c_locale &__cloc)
       static __c_locale _S_get_c_locale ()
       static const char * _S_get_c_name ()  throw ()
       static __c_locale _S_lc_ctype_c_locale (__c_locale __cloc, const char *__s)

   Protected Attributes
       __c_locale _M_c_locale_collate

Detailed Description
   template<typename _CharT>class std::collate< _CharT >
       Facet for localized string comparison.

       This facet encapsulates the code to compare strings in a localized manner.

       The collate template uses protected virtual functions to provide the actual results. The public accessors forward the call to the virtual
       functions. These virtual functions are hooks for developers to implement the behavior they require from the collate facet.

       Definition at line 618 of file locale_classes.h.

Member Typedef Documentation
   template<typename _CharT> typedef _CharT std::collate< _CharT >::char_type
       Public typedefs.

       Definition at line 624 of file locale_classes.h.

   template<typename _CharT> typedef basic_string<_CharT> std::collate< _CharT >::string_type
       Public typedefs.

       Definition at line 625 of file locale_classes.h.

Constructor &; Destructor Documentation
   template<typename _CharT> std::collate< _CharT >::collate (size_t__refs = 0) [inline],  [explicit]
       Constructor performs initialization. This is the constructor provided by the standard.

       Parameters:
	   refs Passed to the base facet class.

       Definition at line 645 of file locale_classes.h.

   template<typename _CharT> std::collate< _CharT >::collate (__c_locale__cloc, size_t__refs = 0) [inline],  [explicit]
       Internal constructor. Not for general use. This is a constructor for use by the library itself to set up new locales.

       Parameters:
	   cloc The C locale.
	   refs Passed to the base facet class.

       Definition at line 659 of file locale_classes.h.

   template<typename _CharT> virtual std::collate< _CharT >::~collate () [inline],  [protected],  [virtual]
       Destructor.

       Definition at line 722 of file locale_classes.h.

Member Function Documentation
   template<typename _CharT> int std::collate< _CharT >::compare (const _CharT *__lo1, const _CharT *__hi1, const _CharT *__lo2, const _CharT
       *__hi2) const [inline]
       Compare two strings. This function compares two strings and returns the result by calling collate::do_compare().

       Parameters:
	   lo1 Start of string 1.
	   hi1 End of string 1.
	   lo2 Start of string 2.
	   hi2 End of string 2.

       Returns:
	   1 if string1 > string2, -1 if string1 < string2, else 0.

       Definition at line 676 of file locale_classes.h.

   template<typename _CharT> int std::collate< _CharT >::do_compare (const _CharT *__lo1, const _CharT *__hi1, const _CharT *__lo2, const _CharT
       *__hi2) const [protected],  [virtual]
       Compare two strings. This function is a hook for derived classes to change the value returned.

       See Also:
	   compare().

       Parameters:
	   lo1 Start of string 1.
	   hi1 End of string 1.
	   lo2 Start of string 2.
	   hi2 End of string 2.

       Returns:
	   1 if string1 > string2, -1 if string1 < string2, else 0.

       Definition at line 136 of file locale_classes.tcc.

       References std::basic_string< _CharT, _Traits, _Alloc >::c_str(), std::basic_string< _CharT, _Traits, _Alloc >::data(), and
       std::basic_string< _CharT, _Traits, _Alloc >::length().

   template<typename _CharT> long std::collate< _CharT >::do_hash (const _CharT *__lo, const _CharT *__hi) const [protected],  [virtual]
       Return hash of a string. This function computes and returns a hash on the input string. This function is a hook for derived classes to
       change the value returned.

       Parameters:
	   lo Start of string.
	   hi End of string.

       Returns:
	   Hash value.

       Definition at line 231 of file locale_classes.tcc.

   template<typename _CharT> collate< _CharT >::string_type std::collate< _CharT >::do_transform (const _CharT *__lo, const _CharT *__hi) const
       [protected],  [virtual]
       Transform string to comparable form. This function is a hook for derived classes to change the value returned.

       Parameters:
	   lo1 Start of string 1.
	   hi1 End of string 1.
	   lo2 Start of string 2.
	   hi2 End of string 2.

       Returns:
	   1 if string1 > string2, -1 if string1 < string2, else 0.

       Definition at line 175 of file locale_classes.tcc.

       References std::basic_string< _CharT, _Traits, _Alloc >::append(), std::basic_string< _CharT, _Traits, _Alloc >::c_str(),
       std::basic_string< _CharT, _Traits, _Alloc >::data(), std::basic_string< _CharT, _Traits, _Alloc >::length(), and std::basic_string<
       _CharT, _Traits, _Alloc >::push_back().

   template<typename _CharT> long std::collate< _CharT >::hash (const _CharT *__lo, const _CharT *__hi) const [inline]
       Return hash of a string. This function computes and returns a hash on the input string. It does so by returning collate::do_hash().

       Parameters:
	   lo Start of string.
	   hi End of string.

       Returns:
	   Hash value.

       Definition at line 709 of file locale_classes.h.

   template<typename _CharT> string_type std::collate< _CharT >::transform (const _CharT *__lo, const _CharT *__hi) const [inline]
       Transform string to comparable form. This function is a wrapper for strxfrm functionality. It takes the input string and returns a modified
       string that can be directly compared to other transformed strings. In the C locale, this function just returns a copy of the input string.
       In some other locales, it may replace two chars with one, change a char for another, etc. It does so by returning collate::do_transform().

       Parameters:
	   lo Start of string.
	   hi End of string.

       Returns:
	   Transformed string_type.

       Definition at line 695 of file locale_classes.h.

       Referenced by std::regex_traits< _Ch_type >::transform().

Member Data Documentation
   template<typename _CharT> locale::id std::collate< _CharT >::id [static]
       Numpunct facet id.

       Definition at line 635 of file locale_classes.h.

Author
       Generated automatically by Doxygen for libstdc++ from the source code.

libstdc++							  Tue Nov 27 2012				      std::collate< _CharT >(3cxx)