The locale facility includes internationalization support for character classification and string collation, numeric, monetary, and date/time formatting and parsing, and message retrieval. Locale settings control the behavior of stream I/O, regular expression library, and other components of the C++ standard library.
Locales
| Defined in header <locale> | |
|---|---|
Locales and facets | |
| set of polymorphic facets that encapsulate cultural differences (class) | |
| obtains a facet from a locale (function template) | |
| checks if a locale implements a specific facet (function template) | |
Character classification | |
| checks if a character is classified as whitespace by a locale (function template) | |
| (C++11) | checks if a character is classified as a blank character by a locale (function template) |
| checks if a character is classified as a control character by a locale (function template) | |
| checks if a character is classified as uppercase by a locale (function template) | |
| checks if a character is classified as lowercase by a locale (function template) | |
| checks if a character is classified as alphabetic by a locale (function template) | |
| checks if a character is classified as a digit by a locale (function template) | |
| checks if a character is classified as punctuation by a locale (function template) | |
| checks if a character is classified as a hexadecimal digit by a locale (function template) | |
| checks if a character is classified as alphanumeric by a locale (function template) | |
| checks if a character is classified as printable by a locale (function template) | |
| checks if a character is classfied as graphical by a locale (function template) | |
Character conversions | |
| converts a character to uppercase using the ctype facet of a locale (function template) | |
| converts a character to lowercase using the ctype facet of a locale (function template) | |
String and stream conversions | |
| (C++11) | performs conversions between a wide string and a byte string (class template) |
| (C++11) | performs conversion between a byte stream buffer and a wide stream buffer (class template) |
Facet category base classes | |
| defines character classification categories (class) | |
| defines character conversion errors (class) | |
| defines messages catalog type (class) | |
| defines date format constants (class) | |
| defines monetary formatting patterns (class) | |
Facet categories | |
| defines character classification tables (class template) | |
specialization of std::ctype for type char (class template specialization) | |
| converts between character encodings, including UTF-8, UTF-16, UTF-32 (class template) | |
| defines lexicographical comparison and hashing of strings (class template) | |
| implements retrieval of strings from message catalogs (class template) | |
parses time/date values from an input character sequence into struct std::tm (class template) | |
formats contents of struct std::tm for output as character sequence (class template) | |
| parses numeric values from an input character sequence (class template) | |
| formats numeric values for output as character sequence (class template) | |
| defines numeric punctuation rules (class template) | |
| parses and constructs a monetary value from an input character sequence (class template) | |
| formats a monetary value for output as a character sequence (class template) | |
defines monetary formatting parameters used by std::money_get and std::money_put (class template) | |
Locale-specific facet categories | |
represents the system-supplied std::ctype for the named locale (class template) | |
represents the system-supplied std::codecvt for the named locale (class template) | |
represents the system-supplied std::messages for the named locale (class template) | |
represents the system-supplied std::collate for the named locale (class template) | |
represents the system-supplied std::time_get for the named locale (class template) | |
represents the system-supplied std::time_put for the named locale (class template) | |
represents the system-supplied std::numpunct for the named locale (class template) | |
represents the system-supplied std::moneypunct for the named locale (class template) | |
Locale-independent unicode conversion facets
| Defined in header <codecvt> | |
|---|---|
| (C++11) | converts between UTF-8 and UCS2/UCS4 (class template) |
| (C++11) | converts between UTF-16 and UCS2/UCS4 (class template) |
| (C++11) | converts between UTF-8 and UTF-16 (class template) |
| (C++11) | tags to alter behavior of the standard codecvt facets (enum) |
C library locales
| Defined in header <clocale> | |
|---|---|
| gets and sets the current C locale (function) | |
locale categories for std::setlocale (macro constant) | |
| queries numeric and monetary formatting details of the current locale (function) | |
formatting details, returned by std::localeconv (class) | |
See also
C documentation for Localization support |
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