34 #ifndef _LOCALE_CLASSES_H 35 #define _LOCALE_CLASSES_H 1 37 #pragma GCC system_header 43 namespace std _GLIBCXX_VISIBILITY(default)
45 _GLIBCXX_BEGIN_NAMESPACE_VERSION
77 template<
typename _Facet>
81 template<typename _Facet>
85 template<typename _Cache>
86 friend struct __use_cache;
98 static const category
none = 0;
99 static const category
ctype = 1L << 0;
102 static const category
time = 1L << 3;
126 locale(const locale& __other) throw();
137 locale(const
char* __s);
151 locale(const locale& __base, const
char* __s, category __cat);
153 #if __cplusplus >= 201103L 178 : locale(__base, __s.c_str(), __cat) { }
192 locale(
const locale& __base,
const locale& __add, category __cat);
205 template<
typename _Facet>
206 locale(
const locale& __other, _Facet* __f);
220 operator=(
const locale& __other)
throw();
234 template<
typename _Facet>
236 combine(
const locale& __other)
const;
243 _GLIBCXX_DEFAULT_ABI_TAG
255 operator==(
const locale& __other)
const throw();
282 template<
typename _Char,
typename _Traits,
typename _Alloc>
299 global(
const locale& __loc);
312 static _Impl* _S_classic;
315 static _Impl* _S_global;
321 static const char*
const*
const _S_categories;
333 enum { _S_categories_size = 6 + _GLIBCXX_NUM_CATEGORIES };
336 static __gthread_once_t _S_once;
346 _S_initialize_once()
throw();
349 _S_normalize_category(category);
352 _M_coalesce(
const locale& __base,
const locale& __add, category __cat);
354 #if _GLIBCXX_USE_CXX11_ABI 355 static const id*
const _S_twinned_facets[];
375 friend class locale::_Impl;
377 mutable _Atomic_word _M_refcount;
380 static __c_locale _S_c_locale;
383 static const char _S_c_name[2];
386 static __gthread_once_t _S_once;
390 _S_initialize_once();
403 facet(
size_t __refs = 0) throw() : _M_refcount(__refs ? 1 : 0)
411 _S_create_c_locale(__c_locale& __cloc,
const char* __s,
412 __c_locale __old = 0);
415 _S_clone_c_locale(__c_locale& __cloc)
throw();
418 _S_destroy_c_locale(__c_locale& __cloc);
421 _S_lc_ctype_c_locale(__c_locale __cloc,
const char* __s);
428 _GLIBCXX_CONST
static const char*
429 _S_get_c_name()
throw();
431 #if __cplusplus < 201103L 446 _M_add_reference()
const throw()
447 { __gnu_cxx::__atomic_add_dispatch(&_M_refcount, 1); }
450 _M_remove_reference()
const throw()
453 _GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(&_M_refcount);
454 if (__gnu_cxx::__exchange_and_add_dispatch(&_M_refcount, -1) == 1)
456 _GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(&_M_refcount);
466 const facet* _M_sso_shim(
const id*)
const;
467 const facet* _M_cow_shim(
const id*)
const;
486 friend class locale::_Impl;
488 template<
typename _Facet>
492 template<
typename _Facet>
499 mutable size_t _M_index;
502 static _Atomic_word _S_refcount;
516 _M_id()
const throw();
528 template<
typename _Facet>
532 template<
typename _Facet>
536 template<
typename _Cache>
537 friend struct __use_cache;
541 _Atomic_word _M_refcount;
542 const facet** _M_facets;
543 size_t _M_facets_size;
544 const facet** _M_caches;
547 static const locale::id*
const _S_id_numeric[];
548 static const locale::id*
const _S_id_collate[];
550 static const locale::id*
const _S_id_monetary[];
551 static const locale::id*
const _S_id_messages[];
552 static const locale::id*
const*
const _S_facet_categories[];
555 _M_add_reference()
throw()
556 { __gnu_cxx::__atomic_add_dispatch(&_M_refcount, 1); }
559 _M_remove_reference()
throw()
562 _GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(&_M_refcount);
563 if (__gnu_cxx::__exchange_and_add_dispatch(&_M_refcount, -1) == 1)
565 _GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(&_M_refcount);
573 _Impl(
const _Impl&,
size_t);
574 _Impl(
const char*,
size_t);
575 _Impl(
size_t)
throw();
590 for (
size_t __i = 0; __ret && __i < _S_categories_size - 1; ++__i)
591 __ret = __builtin_strcmp(_M_names[__i], _M_names[__i + 1]) == 0;
596 _M_replace_categories(
const _Impl*, category);
599 _M_replace_category(
const _Impl*,
const locale::id*
const*);
602 _M_replace_facet(
const _Impl*,
const locale::id*);
607 template<
typename _Facet>
609 _M_init_facet(_Facet* __facet)
610 { _M_install_facet(&_Facet::id, __facet); }
612 template<
typename _Facet>
614 _M_init_facet_unchecked(_Facet* __facet)
616 __facet->_M_add_reference();
617 _M_facets[_Facet::id._M_id()] = __facet;
621 _M_install_cache(
const facet*,
size_t);
623 void _M_init_extra(
facet**);
624 void _M_init_extra(
void*,
void*,
const char*,
const char*);
640 template<
typename _CharT>
654 __c_locale _M_c_locale_collate;
669 : facet(__refs), _M_c_locale_collate(_S_get_c_locale())
683 : facet(__refs), _M_c_locale_collate(_S_clone_c_locale(__cloc))
699 compare(
const _CharT* __lo1,
const _CharT* __hi1,
700 const _CharT* __lo2,
const _CharT* __hi2)
const 701 {
return this->do_compare(__lo1, __hi1, __lo2, __hi2); }
719 {
return this->do_transform(__lo, __hi); }
732 hash(
const _CharT* __lo,
const _CharT* __hi)
const 733 {
return this->do_hash(__lo, __hi); }
737 _M_compare(
const _CharT*,
const _CharT*)
const throw();
740 _M_transform(_CharT*,
const _CharT*,
size_t)
const throw();
746 { _S_destroy_c_locale(_M_c_locale_collate); }
761 do_compare(
const _CharT* __lo1,
const _CharT* __hi1,
762 const _CharT* __lo2,
const _CharT* __hi2)
const;
775 do_transform(
const _CharT* __lo,
const _CharT* __hi)
const;
788 do_hash(
const _CharT* __lo,
const _CharT* __hi)
const;
791 template<
typename _CharT>
803 #ifdef _GLIBCXX_USE_WCHAR_T 814 template<
typename _CharT>
828 if (__builtin_strcmp(__s,
"C") != 0
829 && __builtin_strcmp(__s,
"POSIX") != 0)
831 this->_S_destroy_c_locale(this->_M_c_locale_collate);
832 this->_S_create_c_locale(this->_M_c_locale_collate, __s);
836 #if __cplusplus >= 201103L 847 _GLIBCXX_END_NAMESPACE_VERSION
virtual ~collate()
Destructor.
static const locale & classic()
Return reference to the C locale.
Container class for localization functionality.The locale class is first a class wrapper for C librar...
friend const _Facet & use_facet(const locale &)
Return a facet.use_facet looks for and returns a reference to a facet of type Facet where Facet is th...
bool operator==(const locale &__other) const
Locale equality.
const _CharT * c_str() const noexcept
Return const pointer to null-terminated contents.
class collate_byname [22.2.4.2].
friend bool has_facet(const locale &)
Test for the presence of a facet.has_facet tests the locale argument for the presence of the facet ty...
locale(const std::string &__s)
Named locale constructor.
collate(size_t __refs=0)
Constructor performs initialization.
basic_string< _CharT > string_type
Public typedefs.
static locale global(const locale &__loc)
Set global locale.
Primary class template ctype facet.This template class defines classification and conversion function...
ISO C++ entities toplevel namespace is std.
static const category all
Category values.
_CharT char_type
Public typedefs.
basic_string< _CharT > string_type
Public typedefs.
locale combine(const locale &__other) const
Construct locale with another facet.
_GLIBCXX_DEFAULT_ABI_TAG string name() const
Return locale name.
string_type transform(const _CharT *__lo, const _CharT *__hi) const
Transform string to comparable form.
Facet ID class.The ID class provides facets with an index used to identify them. Every facet class mu...
Primary class template messages.This facet encapsulates the code to retrieve messages from message ca...
const locale & operator=(const locale &__other)
Assignment operator.
collate(__c_locale __cloc, size_t __refs=0)
Internal constructor. Not for general use.
locale(const locale &__base, const std::string &__s, category __cat)
Construct locale with facets from another locale.
bool operator!=(const locale &__other) const
Locale inequality.
Facet for localized string comparison.
static locale::id id
Numpunct facet id.
facet(size_t __refs=0)
Facet constructor.
bool operator()(const basic_string< _Char, _Traits, _Alloc > &__s1, const basic_string< _Char, _Traits, _Alloc > &__s2) const
Compare two strings according to collate.
static const category none
Category values.
~locale()
Locale destructor.
_CharT char_type
Public typedefs.
static const category time
Category values.
long hash(const _CharT *__lo, const _CharT *__hi) const
Return hash of a string.
static const category monetary
Category values.
Localization functionality base class.The facet class is the base class for a localization feature...
locale()
Default constructor.
int category
Definition of locale::category.
static const category numeric
Category values.
int compare(const _CharT *__lo1, const _CharT *__hi1, const _CharT *__lo2, const _CharT *__hi2) const
Compare two strings.