CLDR::Number - Localized number formatters using the Unicode CLDR
This document describes CLDR::Number v0.19, built with Unicode CLDR v29.
use CLDR::Number; # new object with 'es' (Spanish) locale $cldr = CLDR::Number->new(locale => 'es'); # decimals $decf = $cldr->decimal_formatter; # when locale is 'es' (Spanish) say $decf->format(1234.5); # '1234,5' # when locale is 'es-MX' (Mexican Spanish) say $decf->format(1234.5); # '1,234.5' # when locale is 'ar' (Arabic) say $decf->format(1234.5); # '١٬٢٣٤٫٥' # percents $perf = $cldr->percent_formatter; # when locale is 'tr' (Turkish) say $perf->format(0.05); # '%5' # currencies $curf = $cldr->currency_formatter(currency_code => 'USD'); # when locale is 'en' (English) and currency is USD (US dollars) say $curf->format(9.99); # '$9.99' # when locale is 'en-CA' (Canadian English) and currency is USD say $curf->format(9.99); # 'US$9.99' # when locale is 'fr-CA' (Canadian French) and currency is USD say $curf->format(9.99); # '9,99 $ US'
locale method as a setter is deprecated. In the future the object’s
locale will become immutable. Please see
issue #38 for details and
to submit comments or concerns.
Software localization includes much more than just translations. Numbers, prices, and even percents should all be localized based on the user’s language, script, and region. Fortunately, the Unicode Common Locale Data Repository (CLDR) provides locale data and specifications for formatting numeric data to use with many of the world’s locales.
This class provides common attributes shared among the supported formatter classes as well as methods to instantiate decimal, percent, and currency formatter objects. The value for any attribute (such as locale or decimal_sign) will be passed to the formatter objects on instantiation but can be overwritten by manually passing another value for the attribute or calling a setter method on the formatter object.
Returns a decimal formatter, which is a CLDR::Number::Format::Decimal object instantiated with all of the attributes from your CLDR::Number object as well as any attributes passed to this method.
Returns a percent formatter, which is a CLDR::Number::Format::Percent object instantiated with all of the attributes from your CLDR::Number object as well as any attributes passed to this method.
Returns a currency formatter, which is a CLDR::Number::Format::Currency object instantiated with all of the attributes from your CLDR::Number object as well as any attributes passed to this method.
These are common attributes among this class and all formatter classes. All attributes other than locale, default_locale, and cldr_version have defaults that change depending on the current locale. All string attributes are expected to be character strings, not byte strings.
Default: value of default_locale attribute if it exists, otherwise
Valid: Unicode locale identifiers
es-419(Latin American Spanish),
The locale is case-insensitive and can use either
_(low line) as a separator.
Valid: Unicode locale identifiers
Use this if you want a locale other than the generic
rootif the locale attribute is not set or not valid.
Valid: currently only decimal numbering systems are supported
hanidec(Chinese Decimal Numerals),
fullwide(Full Width Digits)
In the future, algorithmic numbering systems like
hant(Traditional Chinese Numerals),
hebr(Hebrew Numerals), and
roman(Roman Numerals) will be supported.
The numbering system may alternately be provided as a Unicode locale extension subtag. For example, locale
ja-u-nu-fullwidefor the Japanese language (
ja) with the numbering system (
nu) set to Full Width Digits (
.(full stop) for root, en;
,(comma) for de, fr
,(comma) for root, en;
.(full stop) for de;
+(plus sign) for root, en, and most locales
-(hyphen-minus) for root, en, and most locales
∞(infinity) for root, en, and almost all locales
NaNfor root, en, and most locales; many other variations for individual locales like
не числоfor ru and
This is a read-only attribute that will always reflect the currently supported Unicode CLDR version.
The Unicode private-use characters U+F8F0 through U+F8F4 are used internally and are therefore not supported in custom patterns and signs.
- Unicode beyond just characters: Localization with the CLDR (video and slides)
- Perl Advent Calendar: CLDR TL;DR
- UTS #35: Unicode LDML, Part 3: Numbers
- CLDR Translation Guidelines: Number Patterns
- CLDR Translation Guidelines: Number Symbols
Nova Patch <firstname.lastname@example.org>
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This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
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