This facet stores several pieces of information related to printing and scanning numbers, such as the decimal point character. It takes a template parameter specifying the char type. The numpunct facet is used by streams for many I/O operations involving numbers.
The numpunct 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 a numpunct facet.
Definition at line 1685 of file locale_facets.h.
| typedef _CharT std::numpunct< _CharT >::char_type |
Public typedefs.
Reimplemented in std::numpunct_byname< _CharT >.
Definition at line 1691 of file locale_facets.h.
| typedef basic_string<_CharT> std::numpunct< _CharT >::string_type |
Public typedefs.
Reimplemented in std::numpunct_byname< _CharT >.
Definition at line 1692 of file locale_facets.h.
| std::numpunct< _CharT >::numpunct | ( | size_t | __refs = 0 |
) | [inline, explicit] |
Numpunct constructor.
| refs | Refcount to pass to the base class. |
Definition at line 1709 of file locale_facets.h.
| std::numpunct< _CharT >::numpunct | ( | __cache_type * | __cache, | |
| 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 the predefined locale facets.
| cache | __numpunct_cache object. | |
| refs | Refcount to pass to the base class. |
Definition at line 1722 of file locale_facets.h.
| std::numpunct< _CharT >::numpunct | ( | __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.
| cloc | The "C" locale. | |
| refs | Refcount to pass to the base class. |
Definition at line 1736 of file locale_facets.h.
| virtual std::numpunct< _CharT >::~numpunct | ( | ) | [protected, virtual] |
Destructor.
| char_type std::numpunct< _CharT >::decimal_point | ( | ) | const [inline] |
Return decimal point character.
This function returns a char_type to use as a decimal point. It does so by returning returning numpunct<char_type>::do_decimal_point().
Definition at line 1750 of file locale_facets.h.
References std::numpunct< _CharT >::do_decimal_point().
Referenced by std::__numpunct_cache< _CharT >::_M_cache().
| virtual char_type std::numpunct< _CharT >::do_decimal_point | ( | ) | const [inline, protected, virtual] |
Return decimal point character.
Returns a char_type to use as a decimal point. This function is a hook for derived classes to change the value returned.
Definition at line 1837 of file locale_facets.h.
References std::numpunct< _CharT >::_M_data, and std::__numpunct_cache< _CharT >::_M_decimal_point.
Referenced by std::numpunct< _CharT >::decimal_point().
| virtual string_type std::numpunct< _CharT >::do_falsename | ( | ) | const [inline, protected, virtual] |
Return string representation of bool false.
Returns a string_type containing the text representation for false bool variables. This function is a hook for derived classes to change the value returned.
Definition at line 1888 of file locale_facets.h.
References std::numpunct< _CharT >::_M_data, and std::__numpunct_cache< _CharT >::_M_falsename.
Referenced by std::numpunct< _CharT >::falsename().
| virtual string std::numpunct< _CharT >::do_grouping | ( | ) | const [inline, protected, virtual] |
Return grouping specification.
Returns a string representing groupings for the integer part of a number. This function is a hook for derived classes to change the value returned.
Definition at line 1862 of file locale_facets.h.
References std::numpunct< _CharT >::_M_data, and std::__numpunct_cache< _CharT >::_M_grouping.
Referenced by std::numpunct< _CharT >::grouping().
| virtual char_type std::numpunct< _CharT >::do_thousands_sep | ( | ) | const [inline, protected, virtual] |
Return thousands separator character.
Returns a char_type to use as a thousands separator. This function is a hook for derived classes to change the value returned.
Definition at line 1849 of file locale_facets.h.
References std::numpunct< _CharT >::_M_data, and std::__numpunct_cache< _CharT >::_M_thousands_sep.
Referenced by std::numpunct< _CharT >::thousands_sep().
| virtual string_type std::numpunct< _CharT >::do_truename | ( | ) | const [inline, protected, virtual] |
Return string representation of bool true.
Returns a string_type containing the text representation for true bool variables. This function is a hook for derived classes to change the value returned.
Definition at line 1875 of file locale_facets.h.
References std::numpunct< _CharT >::_M_data, and std::__numpunct_cache< _CharT >::_M_truename.
Referenced by std::numpunct< _CharT >::truename().
| string_type std::numpunct< _CharT >::falsename | ( | ) | const [inline] |
Return string representation of bool false.
This function returns a string_type containing the text representation for false bool variables. It does so by calling numpunct<char_type>::do_falsename().
Definition at line 1820 of file locale_facets.h.
References std::numpunct< _CharT >::do_falsename().
Referenced by std::__numpunct_cache< _CharT >::_M_cache().
| string std::numpunct< _CharT >::grouping | ( | ) | const [inline] |
Return grouping specification.
This function returns a string representing groupings for the integer part of a number. Groupings indicate where thousands separators should be inserted in the integer part of a number.
Each char in the return string is interpret as an integer rather than a character. These numbers represent the number of digits in a group. The first char in the string represents the number of digits in the least significant group. If a char is negative, it indicates an unlimited number of digits for the group. If more chars from the string are required to group a number, the last char is used repeatedly.
For example, if the grouping() returns "\003\002" and is applied to the number 123456789, this corresponds to 12,34,56,789. Note that if the string was "32", this would put more than 50 digits into the least significant group if the character set is ASCII.
The string is returned by calling numpunct<char_type>::do_grouping().
Definition at line 1794 of file locale_facets.h.
References std::numpunct< _CharT >::do_grouping().
Referenced by std::__numpunct_cache< _CharT >::_M_cache().
| char_type std::numpunct< _CharT >::thousands_sep | ( | ) | const [inline] |
Return thousands separator character.
This function returns a char_type to use as a thousands separator. It does so by returning returning numpunct<char_type>::do_thousands_sep().
Definition at line 1763 of file locale_facets.h.
References std::numpunct< _CharT >::do_thousands_sep().
Referenced by std::__numpunct_cache< _CharT >::_M_cache().
| string_type std::numpunct< _CharT >::truename | ( | ) | const [inline] |
Return string representation of bool true.
This function returns a string_type containing the text representation for true bool variables. It does so by calling numpunct<char_type>::do_truename().
Definition at line 1807 of file locale_facets.h.
References std::numpunct< _CharT >::do_truename().
Referenced by std::__numpunct_cache< _CharT >::_M_cache().
locale::id std::numpunct< _CharT >::id [static] |
1.5.1