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

NAME

std::messages< _CharT > - Primary class template messages.

SYNOPSIS

Inherits std::locale::facet, and std::messages_base.

Inherited by std::messages_byname< _CharT >.

Public Types


typedef int catalog
typedef _CharT char_type
Public typedefs. typedef basic_string< _CharT > string_type

Public Member Functions


messages (__c_locale __cloc, const char *__s, size_t __refs=0)
Internal constructor. Not for general use. messages (size_t __refs=0)
Constructor performs initialization. void close (catalog __c) const
string_type get (catalog __c, int __set, int __msgid, const string_type &__s) const
catalog open (const basic_string< char > &, const locale &, const char *) const
catalog open (const basic_string< char > &__s, const locale &__loc) const

Static Public Attributes


static locale::id id
Numpunct facet id.

Protected Member Functions


virtual ~messages ()
Destructor. string_type _M_convert_from_char (char *) const
char * _M_convert_to_char (const string_type &__msg) const
template<> void do_close (catalog) const
template<> void do_close (catalog) const
virtual void do_close (catalog) const
template<> string do_get (catalog, int, int, const string &) const
Specializations for required instantiations. virtual string_type do_get (catalog, int, int, const string_type &__dfault) const
template<> wstring do_get (catalog, int, int, const wstring &) const
template<> messages< char >::catalog do_open (const basic_string< char > &, const locale &) const
template<> messages< wchar_t >::catalog do_open (const basic_string< char > &, const locale &) const
virtual catalog do_open (const basic_string< char > &, const locale &) 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_messages
const char * _M_name_messages

Detailed Description

template<typename _CharT>

class std::messages< _CharT >" Primary class template messages.

This facet encapsulates the code to retrieve messages from message catalogs. The only thing defined by the standard for this facet is the interface. All underlying functionality is implementation-defined.

This library currently implements 3 versions of the message facet. The first version (gnu) is a wrapper around gettext, provided by libintl. The second version (ieee) is a wrapper around catgets. The final version (default) does no actual translation. These implementations are only provided for char and wchar_t instantiations.

The messages 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 messages facet.

Definition at line 1799 of file locale_facets_nonio.h.

Member Typedef Documentation

template<typename _CharT > typedef _CharT std::messages< _CharT >::char_type

Public typedefs.

Definition at line 1805 of file locale_facets_nonio.h.

Constructor & Destructor Documentation

template<typename _CharT > std::messages< _CharT >::messages (size_t __refs = 0) [explicit]

Constructor performs initialization. This is the constructor provided by the standard.

Parameters

__refs Passed to the base facet class.

Definition at line 44 of file messages_members.h.

template<typename _CharT > std::messages< _CharT >::messages (__c_locale __cloc, const char * __s, size_t __refs = 0) [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.
__s The name of a locale.
__refs Refcount to pass to the base class.

Definition at line 50 of file messages_members.h.

template<typename _CharT > std::messages< _CharT >::~messages () [protected], [virtual]

Destructor.

Definition at line 79 of file messages_members.h.

Member Function Documentation

template<> string std::messages< char >::do_get (catalog, int, int, const string &) const [protected]

Specializations for required instantiations.

Member Data Documentation

template<typename _CharT > locale::id std::messages< _CharT >::id [static]

Numpunct facet id.

Definition at line 1817 of file locale_facets_nonio.h.

Author

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Sat Apr 4 2020 libstdc++