std::messages< _CharT >(3)

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

SYNOPSIS

#include <locale>

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 typedefs.

  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
void do_close (catalog) const
void do_close (catalog) const
virtual void do_close (catalog) const
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
wstring do_get (catalog, int, int, const wstring &) const
messages< char >::catalog do_open (const basic_string< char > &, const locale &) const
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.

Member Typedef Documentation

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

Public typedefs.

  template<typename _CharT> typedef basic_string<_CharT> std::messages< _CharT >::string_type

Public typedefs.

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.

References std::locale::facet::facet().

  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.

References std::locale::facet::facet().

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

Destructor.

Member Function Documentation

  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.

Author

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