Index: gcc/libstdc++-v3/include/bits/locale_classes.h |
diff --git a/gcc/libstdc++-v3/include/bits/locale_classes.h b/gcc/libstdc++-v3/include/bits/locale_classes.h |
deleted file mode 100644 |
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-// Locale support -*- C++ -*- |
- |
-// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, |
-// 2006, 2007, 2008, 2009 |
-// Free Software Foundation, Inc. |
-// |
-// This file is part of the GNU ISO C++ Library. This library is free |
-// software; you can redistribute it and/or modify it under the |
-// terms of the GNU General Public License as published by the |
-// Free Software Foundation; either version 3, or (at your option) |
-// any later version. |
- |
-// This library is distributed in the hope that it will be useful, |
-// but WITHOUT ANY WARRANTY; without even the implied warranty of |
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
-// GNU General Public License for more details. |
- |
-// Under Section 7 of GPL version 3, you are granted additional |
-// permissions described in the GCC Runtime Library Exception, version |
-// 3.1, as published by the Free Software Foundation. |
- |
-// You should have received a copy of the GNU General Public License and |
-// a copy of the GCC Runtime Library Exception along with this program; |
-// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
-// <http://www.gnu.org/licenses/>. |
- |
-/** @file locale_classes.h |
- * This is an internal header file, included by other library headers. |
- * You should not attempt to use it directly. |
- */ |
- |
-// |
-// ISO C++ 14882: 22.1 Locales |
-// |
- |
-#ifndef _LOCALE_CLASSES_H |
-#define _LOCALE_CLASSES_H 1 |
- |
-#pragma GCC system_header |
- |
-#include <bits/localefwd.h> |
-#include <string> |
-#include <ext/atomicity.h> |
- |
-_GLIBCXX_BEGIN_NAMESPACE(std) |
- |
- // 22.1.1 Class locale |
- /** |
- * @brief Container class for localization functionality. |
- * |
- * The locale class is first a class wrapper for C library locales. It is |
- * also an extensible container for user-defined localization. A locale is |
- * a collection of facets that implement various localization features such |
- * as money, time, and number printing. |
- * |
- * Constructing C++ locales does not change the C library locale. |
- * |
- * This library supports efficient construction and copying of locales |
- * through a reference counting implementation of the locale class. |
- */ |
- class locale |
- { |
- public: |
- // Types: |
- /// Definition of locale::category. |
- typedef int category; |
- |
- // Forward decls and friends: |
- class facet; |
- class id; |
- class _Impl; |
- |
- friend class facet; |
- friend class _Impl; |
- |
- template<typename _Facet> |
- friend bool |
- has_facet(const locale&) throw(); |
- |
- template<typename _Facet> |
- friend const _Facet& |
- use_facet(const locale&); |
- |
- template<typename _Cache> |
- friend struct __use_cache; |
- |
- //@{ |
- /** |
- * @brief Category values. |
- * |
- * The standard category values are none, ctype, numeric, collate, time, |
- * monetary, and messages. They form a bitmask that supports union and |
- * intersection. The category all is the union of these values. |
- * |
- * NB: Order must match _S_facet_categories definition in locale.cc |
- */ |
- static const category none = 0; |
- static const category ctype = 1L << 0; |
- static const category numeric = 1L << 1; |
- static const category collate = 1L << 2; |
- static const category time = 1L << 3; |
- static const category monetary = 1L << 4; |
- static const category messages = 1L << 5; |
- static const category all = (ctype | numeric | collate | |
- time | monetary | messages); |
- //@} |
- |
- // Construct/copy/destroy: |
- |
- /** |
- * @brief Default constructor. |
- * |
- * Constructs a copy of the global locale. If no locale has been |
- * explicitly set, this is the "C" locale. |
- */ |
- locale() throw(); |
- |
- /** |
- * @brief Copy constructor. |
- * |
- * Constructs a copy of @a other. |
- * |
- * @param other The locale to copy. |
- */ |
- locale(const locale& __other) throw(); |
- |
- /** |
- * @brief Named locale constructor. |
- * |
- * Constructs a copy of the named C library locale. |
- * |
- * @param s Name of the locale to construct. |
- * @throw std::runtime_error if s is null or an undefined locale. |
- */ |
- explicit |
- locale(const char* __s); |
- |
- /** |
- * @brief Construct locale with facets from another locale. |
- * |
- * Constructs a copy of the locale @a base. The facets specified by @a |
- * cat are replaced with those from the locale named by @a s. If base is |
- * named, this locale instance will also be named. |
- * |
- * @param base The locale to copy. |
- * @param s Name of the locale to use facets from. |
- * @param cat Set of categories defining the facets to use from s. |
- * @throw std::runtime_error if s is null or an undefined locale. |
- */ |
- locale(const locale& __base, const char* __s, category __cat); |
- |
- /** |
- * @brief Construct locale with facets from another locale. |
- * |
- * Constructs a copy of the locale @a base. The facets specified by @a |
- * cat are replaced with those from the locale @a add. If @a base and @a |
- * add are named, this locale instance will also be named. |
- * |
- * @param base The locale to copy. |
- * @param add The locale to use facets from. |
- * @param cat Set of categories defining the facets to use from add. |
- */ |
- locale(const locale& __base, const locale& __add, category __cat); |
- |
- /** |
- * @brief Construct locale with another facet. |
- * |
- * Constructs a copy of the locale @a other. The facet @f is added to |
- * @other, replacing an existing facet of type Facet if there is one. If |
- * @f is null, this locale is a copy of @a other. |
- * |
- * @param other The locale to copy. |
- * @param f The facet to add in. |
- */ |
- template<typename _Facet> |
- locale(const locale& __other, _Facet* __f); |
- |
- /// Locale destructor. |
- ~locale() throw(); |
- |
- /** |
- * @brief Assignment operator. |
- * |
- * Set this locale to be a copy of @a other. |
- * |
- * @param other The locale to copy. |
- * @return A reference to this locale. |
- */ |
- const locale& |
- operator=(const locale& __other) throw(); |
- |
- /** |
- * @brief Construct locale with another facet. |
- * |
- * Constructs and returns a new copy of this locale. Adds or replaces an |
- * existing facet of type Facet from the locale @a other into the new |
- * locale. |
- * |
- * @param Facet The facet type to copy from other |
- * @param other The locale to copy from. |
- * @return Newly constructed locale. |
- * @throw std::runtime_error if other has no facet of type Facet. |
- */ |
- template<typename _Facet> |
- locale |
- combine(const locale& __other) const; |
- |
- // Locale operations: |
- /** |
- * @brief Return locale name. |
- * @return Locale name or "*" if unnamed. |
- */ |
- string |
- name() const; |
- |
- /** |
- * @brief Locale equality. |
- * |
- * @param other The locale to compare against. |
- * @return True if other and this refer to the same locale instance, are |
- * copies, or have the same name. False otherwise. |
- */ |
- bool |
- operator==(const locale& __other) const throw (); |
- |
- /** |
- * @brief Locale inequality. |
- * |
- * @param other The locale to compare against. |
- * @return ! (*this == other) |
- */ |
- bool |
- operator!=(const locale& __other) const throw () |
- { return !(this->operator==(__other)); } |
- |
- /** |
- * @brief Compare two strings according to collate. |
- * |
- * Template operator to compare two strings using the compare function of |
- * the collate facet in this locale. One use is to provide the locale to |
- * the sort function. For example, a vector v of strings could be sorted |
- * according to locale loc by doing: |
- * @code |
- * std::sort(v.begin(), v.end(), loc); |
- * @endcode |
- * |
- * @param s1 First string to compare. |
- * @param s2 Second string to compare. |
- * @return True if collate<Char> facet compares s1 < s2, else false. |
- */ |
- template<typename _Char, typename _Traits, typename _Alloc> |
- bool |
- operator()(const basic_string<_Char, _Traits, _Alloc>& __s1, |
- const basic_string<_Char, _Traits, _Alloc>& __s2) const; |
- |
- // Global locale objects: |
- /** |
- * @brief Set global locale |
- * |
- * This function sets the global locale to the argument and returns a |
- * copy of the previous global locale. If the argument has a name, it |
- * will also call std::setlocale(LC_ALL, loc.name()). |
- * |
- * @param locale The new locale to make global. |
- * @return Copy of the old global locale. |
- */ |
- static locale |
- global(const locale&); |
- |
- /** |
- * @brief Return reference to the "C" locale. |
- */ |
- static const locale& |
- classic(); |
- |
- private: |
- // The (shared) implementation |
- _Impl* _M_impl; |
- |
- // The "C" reference locale |
- static _Impl* _S_classic; |
- |
- // Current global locale |
- static _Impl* _S_global; |
- |
- // Names of underlying locale categories. |
- // NB: locale::global() has to know how to modify all the |
- // underlying categories, not just the ones required by the C++ |
- // standard. |
- static const char* const* const _S_categories; |
- |
- // Number of standard categories. For C++, these categories are |
- // collate, ctype, monetary, numeric, time, and messages. These |
- // directly correspond to ISO C99 macros LC_COLLATE, LC_CTYPE, |
- // LC_MONETARY, LC_NUMERIC, and LC_TIME. In addition, POSIX (IEEE |
- // 1003.1-2001) specifies LC_MESSAGES. |
- // In addition to the standard categories, the underlying |
- // operating system is allowed to define extra LC_* |
- // macros. For GNU systems, the following are also valid: |
- // LC_PAPER, LC_NAME, LC_ADDRESS, LC_TELEPHONE, LC_MEASUREMENT, |
- // and LC_IDENTIFICATION. |
- enum { _S_categories_size = 6 + _GLIBCXX_NUM_CATEGORIES }; |
- |
-#ifdef __GTHREADS |
- static __gthread_once_t _S_once; |
-#endif |
- |
- explicit |
- locale(_Impl*) throw(); |
- |
- static void |
- _S_initialize(); |
- |
- static void |
- _S_initialize_once(); |
- |
- static category |
- _S_normalize_category(category); |
- |
- void |
- _M_coalesce(const locale& __base, const locale& __add, category __cat); |
- }; |
- |
- |
- // 22.1.1.1.2 Class locale::facet |
- /** |
- * @brief Localization functionality base class. |
- * |
- * The facet class is the base class for a localization feature, such as |
- * money, time, and number printing. It provides common support for facets |
- * and reference management. |
- * |
- * Facets may not be copied or assigned. |
- */ |
- class locale::facet |
- { |
- private: |
- friend class locale; |
- friend class locale::_Impl; |
- |
- mutable _Atomic_word _M_refcount; |
- |
- // Contains data from the underlying "C" library for the classic locale. |
- static __c_locale _S_c_locale; |
- |
- // String literal for the name of the classic locale. |
- static const char _S_c_name[2]; |
- |
-#ifdef __GTHREADS |
- static __gthread_once_t _S_once; |
-#endif |
- |
- static void |
- _S_initialize_once(); |
- |
- protected: |
- /** |
- * @brief Facet constructor. |
- * |
- * This is the constructor provided by the standard. If refs is 0, the |
- * facet is destroyed when the last referencing locale is destroyed. |
- * Otherwise the facet will never be destroyed. |
- * |
- * @param refs The initial value for reference count. |
- */ |
- explicit |
- facet(size_t __refs = 0) throw() : _M_refcount(__refs ? 1 : 0) |
- { } |
- |
- /// Facet destructor. |
- virtual |
- ~facet(); |
- |
- static void |
- _S_create_c_locale(__c_locale& __cloc, const char* __s, |
- __c_locale __old = 0); |
- |
- static __c_locale |
- _S_clone_c_locale(__c_locale& __cloc); |
- |
- static void |
- _S_destroy_c_locale(__c_locale& __cloc); |
- |
- // Returns data from the underlying "C" library data for the |
- // classic locale. |
- static __c_locale |
- _S_get_c_locale(); |
- |
- static const char* |
- _S_get_c_name(); |
- |
- private: |
- void |
- _M_add_reference() const throw() |
- { __gnu_cxx::__atomic_add_dispatch(&_M_refcount, 1); } |
- |
- void |
- _M_remove_reference() const throw() |
- { |
- if (__gnu_cxx::__exchange_and_add_dispatch(&_M_refcount, -1) == 1) |
- { |
- __try |
- { delete this; } |
- __catch(...) |
- { } |
- } |
- } |
- |
- facet(const facet&); // Not defined. |
- |
- facet& |
- operator=(const facet&); // Not defined. |
- }; |
- |
- |
- // 22.1.1.1.3 Class locale::id |
- /** |
- * @brief Facet ID class. |
- * |
- * The ID class provides facets with an index used to identify them. |
- * Every facet class must define a public static member locale::id, or be |
- * derived from a facet that provides this member, otherwise the facet |
- * cannot be used in a locale. The locale::id ensures that each class |
- * type gets a unique identifier. |
- */ |
- class locale::id |
- { |
- private: |
- friend class locale; |
- friend class locale::_Impl; |
- |
- template<typename _Facet> |
- friend const _Facet& |
- use_facet(const locale&); |
- |
- template<typename _Facet> |
- friend bool |
- has_facet(const locale&) throw (); |
- |
- // NB: There is no accessor for _M_index because it may be used |
- // before the constructor is run; the effect of calling a member |
- // function (even an inline) would be undefined. |
- mutable size_t _M_index; |
- |
- // Last id number assigned. |
- static _Atomic_word _S_refcount; |
- |
- void |
- operator=(const id&); // Not defined. |
- |
- id(const id&); // Not defined. |
- |
- public: |
- // NB: This class is always a static data member, and thus can be |
- // counted on to be zero-initialized. |
- /// Constructor. |
- id() { } |
- |
- size_t |
- _M_id() const; |
- }; |
- |
- |
- // Implementation object for locale. |
- class locale::_Impl |
- { |
- public: |
- // Friends. |
- friend class locale; |
- friend class locale::facet; |
- |
- template<typename _Facet> |
- friend bool |
- has_facet(const locale&) throw(); |
- |
- template<typename _Facet> |
- friend const _Facet& |
- use_facet(const locale&); |
- |
- template<typename _Cache> |
- friend struct __use_cache; |
- |
- private: |
- // Data Members. |
- _Atomic_word _M_refcount; |
- const facet** _M_facets; |
- size_t _M_facets_size; |
- const facet** _M_caches; |
- char** _M_names; |
- static const locale::id* const _S_id_ctype[]; |
- static const locale::id* const _S_id_numeric[]; |
- static const locale::id* const _S_id_collate[]; |
- static const locale::id* const _S_id_time[]; |
- static const locale::id* const _S_id_monetary[]; |
- static const locale::id* const _S_id_messages[]; |
- static const locale::id* const* const _S_facet_categories[]; |
- |
- void |
- _M_add_reference() throw() |
- { __gnu_cxx::__atomic_add_dispatch(&_M_refcount, 1); } |
- |
- void |
- _M_remove_reference() throw() |
- { |
- if (__gnu_cxx::__exchange_and_add_dispatch(&_M_refcount, -1) == 1) |
- { |
- __try |
- { delete this; } |
- __catch(...) |
- { } |
- } |
- } |
- |
- _Impl(const _Impl&, size_t); |
- _Impl(const char*, size_t); |
- _Impl(size_t) throw(); |
- |
- ~_Impl() throw(); |
- |
- _Impl(const _Impl&); // Not defined. |
- |
- void |
- operator=(const _Impl&); // Not defined. |
- |
- bool |
- _M_check_same_name() |
- { |
- bool __ret = true; |
- if (_M_names[1]) |
- // We must actually compare all the _M_names: can be all equal! |
- for (size_t __i = 0; __ret && __i < _S_categories_size - 1; ++__i) |
- __ret = __builtin_strcmp(_M_names[__i], _M_names[__i + 1]) == 0; |
- return __ret; |
- } |
- |
- void |
- _M_replace_categories(const _Impl*, category); |
- |
- void |
- _M_replace_category(const _Impl*, const locale::id* const*); |
- |
- void |
- _M_replace_facet(const _Impl*, const locale::id*); |
- |
- void |
- _M_install_facet(const locale::id*, const facet*); |
- |
- template<typename _Facet> |
- void |
- _M_init_facet(_Facet* __facet) |
- { _M_install_facet(&_Facet::id, __facet); } |
- |
- void |
- _M_install_cache(const facet*, size_t); |
- }; |
- |
- |
- /** |
- * @brief Test for the presence of a facet. |
- * |
- * has_facet tests the locale argument for the presence of the facet type |
- * provided as the template parameter. Facets derived from the facet |
- * parameter will also return true. |
- * |
- * @param Facet The facet type to test the presence of. |
- * @param locale The locale to test. |
- * @return true if locale contains a facet of type Facet, else false. |
- */ |
- template<typename _Facet> |
- bool |
- has_facet(const locale& __loc) throw(); |
- |
- /** |
- * @brief Return a facet. |
- * |
- * use_facet looks for and returns a reference to a facet of type Facet |
- * where Facet is the template parameter. If has_facet(locale) is true, |
- * there is a suitable facet to return. It throws std::bad_cast if the |
- * locale doesn't contain a facet of type Facet. |
- * |
- * @param Facet The facet type to access. |
- * @param locale The locale to use. |
- * @return Reference to facet of type Facet. |
- * @throw std::bad_cast if locale doesn't contain a facet of type Facet. |
- */ |
- template<typename _Facet> |
- const _Facet& |
- use_facet(const locale& __loc); |
- |
- |
- /** |
- * @brief 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. |
- */ |
- template<typename _CharT> |
- class collate : public locale::facet |
- { |
- public: |
- // Types: |
- //@{ |
- /// Public typedefs |
- typedef _CharT char_type; |
- typedef basic_string<_CharT> string_type; |
- //@} |
- |
- protected: |
- // Underlying "C" library locale information saved from |
- // initialization, needed by collate_byname as well. |
- __c_locale _M_c_locale_collate; |
- |
- public: |
- /// Numpunct facet id. |
- static locale::id id; |
- |
- /** |
- * @brief Constructor performs initialization. |
- * |
- * This is the constructor provided by the standard. |
- * |
- * @param refs Passed to the base facet class. |
- */ |
- explicit |
- collate(size_t __refs = 0) |
- : facet(__refs), _M_c_locale_collate(_S_get_c_locale()) |
- { } |
- |
- /** |
- * @brief Internal constructor. Not for general use. |
- * |
- * This is a constructor for use by the library itself to set up new |
- * locales. |
- * |
- * @param cloc The "C" locale. |
- * @param refs Passed to the base facet class. |
- */ |
- explicit |
- collate(__c_locale __cloc, size_t __refs = 0) |
- : facet(__refs), _M_c_locale_collate(_S_clone_c_locale(__cloc)) |
- { } |
- |
- /** |
- * @brief Compare two strings. |
- * |
- * This function compares two strings and returns the result by calling |
- * collate::do_compare(). |
- * |
- * @param lo1 Start of string 1. |
- * @param hi1 End of string 1. |
- * @param lo2 Start of string 2. |
- * @param hi2 End of string 2. |
- * @return 1 if string1 > string2, -1 if string1 < string2, else 0. |
- */ |
- int |
- compare(const _CharT* __lo1, const _CharT* __hi1, |
- const _CharT* __lo2, const _CharT* __hi2) const |
- { return this->do_compare(__lo1, __hi1, __lo2, __hi2); } |
- |
- /** |
- * @brief 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(). |
- * |
- * @param lo Start of string. |
- * @param hi End of string. |
- * @return Transformed string_type. |
- */ |
- string_type |
- transform(const _CharT* __lo, const _CharT* __hi) const |
- { return this->do_transform(__lo, __hi); } |
- |
- /** |
- * @brief Return hash of a string. |
- * |
- * This function computes and returns a hash on the input string. It |
- * does so by returning collate::do_hash(). |
- * |
- * @param lo Start of string. |
- * @param hi End of string. |
- * @return Hash value. |
- */ |
- long |
- hash(const _CharT* __lo, const _CharT* __hi) const |
- { return this->do_hash(__lo, __hi); } |
- |
- // Used to abstract out _CharT bits in virtual member functions, below. |
- int |
- _M_compare(const _CharT*, const _CharT*) const; |
- |
- size_t |
- _M_transform(_CharT*, const _CharT*, size_t) const; |
- |
- protected: |
- /// Destructor. |
- virtual |
- ~collate() |
- { _S_destroy_c_locale(_M_c_locale_collate); } |
- |
- /** |
- * @brief Compare two strings. |
- * |
- * This function is a hook for derived classes to change the value |
- * returned. @see compare(). |
- * |
- * @param lo1 Start of string 1. |
- * @param hi1 End of string 1. |
- * @param lo2 Start of string 2. |
- * @param hi2 End of string 2. |
- * @return 1 if string1 > string2, -1 if string1 < string2, else 0. |
- */ |
- virtual int |
- do_compare(const _CharT* __lo1, const _CharT* __hi1, |
- const _CharT* __lo2, const _CharT* __hi2) const; |
- |
- /** |
- * @brief Transform string to comparable form. |
- * |
- * This function is a hook for derived classes to change the value |
- * returned. |
- * |
- * @param lo1 Start of string 1. |
- * @param hi1 End of string 1. |
- * @param lo2 Start of string 2. |
- * @param hi2 End of string 2. |
- * @return 1 if string1 > string2, -1 if string1 < string2, else 0. |
- */ |
- virtual string_type |
- do_transform(const _CharT* __lo, const _CharT* __hi) const; |
- |
- /** |
- * @brief 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. |
- * |
- * @param lo Start of string. |
- * @param hi End of string. |
- * @return Hash value. |
- */ |
- virtual long |
- do_hash(const _CharT* __lo, const _CharT* __hi) const; |
- }; |
- |
- template<typename _CharT> |
- locale::id collate<_CharT>::id; |
- |
- // Specializations. |
- template<> |
- int |
- collate<char>::_M_compare(const char*, const char*) const; |
- |
- template<> |
- size_t |
- collate<char>::_M_transform(char*, const char*, size_t) const; |
- |
-#ifdef _GLIBCXX_USE_WCHAR_T |
- template<> |
- int |
- collate<wchar_t>::_M_compare(const wchar_t*, const wchar_t*) const; |
- |
- template<> |
- size_t |
- collate<wchar_t>::_M_transform(wchar_t*, const wchar_t*, size_t) const; |
-#endif |
- |
- /// class collate_byname [22.2.4.2]. |
- template<typename _CharT> |
- class collate_byname : public collate<_CharT> |
- { |
- public: |
- //@{ |
- /// Public typedefs |
- typedef _CharT char_type; |
- typedef basic_string<_CharT> string_type; |
- //@} |
- |
- explicit |
- collate_byname(const char* __s, size_t __refs = 0) |
- : collate<_CharT>(__refs) |
- { |
- if (__builtin_strcmp(__s, "C") != 0 |
- && __builtin_strcmp(__s, "POSIX") != 0) |
- { |
- this->_S_destroy_c_locale(this->_M_c_locale_collate); |
- this->_S_create_c_locale(this->_M_c_locale_collate, __s); |
- } |
- } |
- |
- protected: |
- virtual |
- ~collate_byname() { } |
- }; |
- |
-_GLIBCXX_END_NAMESPACE |
- |
-#ifndef _GLIBCXX_EXPORT_TEMPLATE |
-# include <bits/locale_classes.tcc> |
-#endif |
- |
-#endif |