lib/src/plural_rules.dart - intl - Git at Google

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.

 /// Provides locale-specific plural rules. Based on pluralrules.js from Closure.
 ///
 /// Each function does the calculation for one or more locales. These are done in terms of
 /// various values used by the CLDR syntax and defined by UTS #35
 /// http://unicode.org/reports/tr35/tr35-numbers.html#Plural_rules_syntax
 ///
 /// * n - absolute value of the source number (integer and decimals).
 /// * i	- integer digits of n.
 /// * v	- number of visible fraction digits in n, with trailing zeros.
 /// * w	- number of visible fraction digits in n, without trailing zeros.
 /// * f	- visible fractional digits in n, with trailing zeros.
 /// * t	- visible fractional digits in n, without trailing zeros.
 library plural_rules;

 typedef PluralCase PluralRule();

 /// The possible cases used in a plural rule.
 enum PluralCase { ZERO, ONE, TWO, FEW, MANY, OTHER }

 /// The default rule in case we don't have anything more specific for a locale.
 PluralCase _default_rule() => OTHER;

 /// This must be called before evaluating a new rule, because we're using
 /// library-global state to both keep the rules terse and minimize space.
 startRuleEvaluation(int howMany) {
   _n = howMany;
 }

 /// The number whose [PluralCase] we are trying to find.
 ///
 // This is library-global state, along with the other variables. This allows us
 // to avoid calculating parameters that the functions don't need and also
 // not introduce a subclass per locale or have instance tear-offs which
 // we can't cache. This is fine as long as these methods aren't async, which
 // they should never be.
 int _n;

 /// The integer part of [_n] - since we only support integers, it's the same as
 /// [_n].
 int get _i => _n;
 int opt_precision; // Not currently used.

 /// Number of visible fraction digits. Always zero since we only support int.
 int get _v => 0;

 /// Number of visible fraction digits without trailing zeros. Always zero
 /// since we only support int.
 //int get _w => 0;

 /// The visible fraction digits in n, with trailing zeros. Always zero since
 /// we only support int.
 int get _f => 0;

 /// The visible fraction digits in n, without trailing zeros. Always zero since
 /// we only support int.
 int get _t => 0;

 PluralCase get ZERO => PluralCase.ZERO;
 PluralCase get ONE => PluralCase.ONE;
 PluralCase get TWO => PluralCase.TWO;
 PluralCase get FEW => PluralCase.FEW;
 PluralCase get MANY => PluralCase.MANY;
 PluralCase get OTHER => PluralCase.OTHER;

 PluralCase _fil_rule() {
   if (_v == 0 && (_i == 1 || _i == 2 || _i == 3) ||
       _v == 0 && _i % 10 != 4 && _i % 10 != 6 && _i % 10 != 9 ||
       _v != 0 && _f % 10 != 4 && _f % 10 != 6 && _f % 10 != 9) {
     return ONE;
   }
   return OTHER;
 }

 PluralCase _pt_PT_rule() {
   if (_n == 1 && _v == 0) {
     return ONE;
   }
   return OTHER;
 }

 PluralCase _br_rule() {
   if (_n % 10 == 1 && _n % 100 != 11 && _n % 100 != 71 && _n % 100 != 91) {
     return ONE;
   }
   if (_n % 10 == 2 && _n % 100 != 12 && _n % 100 != 72 && _n % 100 != 92) {
     return TWO;
   }
   if ((_n % 10 >= 3 && _n % 10 <= 4 || _n % 10 == 9) &&
       (_n % 100 < 10 || _n % 100 > 19) &&
       (_n % 100 < 70 || _n % 100 > 79) &&
       (_n % 100 < 90 || _n % 100 > 99)) {
     return FEW;
   }
   if (_n != 0 && _n % 1000000 == 0) {
     return MANY;
   }
   return OTHER;
 }

 PluralCase _sr_rule() {
   if (_v == 0 && _i % 10 == 1 && _i % 100 != 11 ||
       _f % 10 == 1 && _f % 100 != 11) {
     return ONE;
   }
   if (_v == 0 &&
           _i % 10 >= 2 &&
           _i % 10 <= 4 &&
           (_i % 100 < 12 || _i % 100 > 14) ||
       _f % 10 >= 2 && _f % 10 <= 4 && (_f % 100 < 12 || _f % 100 > 14)) {
     return FEW;
   }
   return OTHER;
 }

 PluralCase _ro_rule() {
   if (_i == 1 && _v == 0) {
     return ONE;
   }
   if (_v != 0 || _n == 0 || _n != 1 && _n % 100 >= 1 && _n % 100 <= 19) {
     return FEW;
   }
   return OTHER;
 }

 PluralCase _hi_rule() {
   if (_i == 0 || _n == 1) {
     return ONE;
   }
   return OTHER;
 }

 PluralCase _fr_rule() {
   if (_i == 0 || _i == 1) {
     return ONE;
   }
   return OTHER;
 }

 PluralCase _cs_rule() {
   if (_i == 1 && _v == 0) {
     return ONE;
   }
   if (_i >= 2 && _i <= 4 && _v == 0) {
     return FEW;
   }
   if (_v != 0) {
     return MANY;
   }
   return OTHER;
 }

 PluralCase _pl_rule() {
   if (_i == 1 && _v == 0) {
     return ONE;
   }
   if (_v == 0 &&
       _i % 10 >= 2 &&
       _i % 10 <= 4 &&
       (_i % 100 < 12 || _i % 100 > 14)) {
     return FEW;
   }
   if (_v == 0 && _i != 1 && _i % 10 >= 0 && _i % 10 <= 1 ||
       _v == 0 && _i % 10 >= 5 && _i % 10 <= 9 ||
       _v == 0 && _i % 100 >= 12 && _i % 100 <= 14) {
     return MANY;
   }
   return OTHER;
 }

 PluralCase _lv_rule() {
   if (_n % 10 == 0 ||
       _n % 100 >= 11 && _n % 100 <= 19 ||
       _v == 2 && _f % 100 >= 11 && _f % 100 <= 19) {
     return ZERO;
   }
   if (_n % 10 == 1 && _n % 100 != 11 ||
       _v == 2 && _f % 10 == 1 && _f % 100 != 11 ||
       _v != 2 && _f % 10 == 1) {
     return ONE;
   }
   return OTHER;
 }

 PluralCase _he_rule() {
   if (_i == 1 && _v == 0) {
     return ONE;
   }
   if (_i == 2 && _v == 0) {
     return TWO;
   }
   if (_v == 0 && (_n < 0 || _n > 10) && _n % 10 == 0) {
     return MANY;
   }
   return OTHER;
 }

 PluralCase _mt_rule() {
   if (_n == 1) {
     return ONE;
   }
   if (_n == 0 || _n % 100 >= 2 && _n % 100 <= 10) {
     return FEW;
   }
   if (_n % 100 >= 11 && _n % 100 <= 19) {
     return MANY;
   }
   return OTHER;
 }

 PluralCase _si_rule() {
   if ((_n == 0 || _n == 1) || _i == 0 && _f == 1) {
     return ONE;
   }
   return OTHER;
 }

 PluralCase _cy_rule() {
   if (_n == 0) {
     return ZERO;
   }
   if (_n == 1) {
     return ONE;
   }
   if (_n == 2) {
     return TWO;
   }
   if (_n == 3) {
     return FEW;
   }
   if (_n == 6) {
     return MANY;
   }
   return OTHER;
 }

 PluralCase _da_rule() {
   if (_n == 1 || _t != 0 && (_i == 0 || _i == 1)) {
     return ONE;
   }
   return OTHER;
 }

 PluralCase _ru_rule() {
   if (_v == 0 && _i % 10 == 1 && _i % 100 != 11) {
     return ONE;
   }
   if (_v == 0 &&
       _i % 10 >= 2 &&
       _i % 10 <= 4 &&
       (_i % 100 < 12 || _i % 100 > 14)) {
     return FEW;
   }
   if (_v == 0 && _i % 10 == 0 ||
       _v == 0 && _i % 10 >= 5 && _i % 10 <= 9 ||
       _v == 0 && _i % 100 >= 11 && _i % 100 <= 14) {
     return MANY;
   }
   return OTHER;
 }

 PluralCase _be_rule() {
   if (_n % 10 == 1 && _n % 100 != 11) {
     return ONE;
   }
   if (_n % 10 >= 2 && _n % 10 <= 4 && (_n % 100 < 12 || _n % 100 > 14)) {
     return FEW;
   }
   if (_n % 10 == 0 ||
       _n % 10 >= 5 && _n % 10 <= 9 ||
       _n % 100 >= 11 && _n % 100 <= 14) {
     return MANY;
   }
   return OTHER;
 }

 PluralCase _mk_rule() {
   if (_v == 0 && _i % 10 == 1 || _f % 10 == 1) {
     return ONE;
   }
   return OTHER;
 }

 PluralCase _ga_rule() {
   if (_n == 1) {
     return ONE;
   }
   if (_n == 2) {
     return TWO;
   }
   if (_n >= 3 && _n <= 6) {
     return FEW;
   }
   if (_n >= 7 && _n <= 10) {
     return MANY;
   }
   return OTHER;
 }

 PluralCase _pt_rule() {
   if (_n >= 0 && _n <= 2 && _n != 2) {
     return ONE;
   }
   return OTHER;
 }

 PluralCase _es_rule() {
   if (_n == 1) {
     return ONE;
   }
   return OTHER;
 }

 PluralCase _is_rule() {
   if (_t == 0 && _i % 10 == 1 && _i % 100 != 11 || _t != 0) {
     return ONE;
   }
   return OTHER;
 }

 PluralCase _ar_rule() {
   if (_n == 0) {
     return ZERO;
   }
   if (_n == 1) {
     return ONE;
   }
   if (_n == 2) {
     return TWO;
   }
   if (_n % 100 >= 3 && _n % 100 <= 10) {
     return FEW;
   }
   if (_n % 100 >= 11 && _n % 100 <= 99) {
     return MANY;
   }
   return OTHER;
 }

 PluralCase _sl_rule() {
   if (_v == 0 && _i % 100 == 1) {
     return ONE;
   }
   if (_v == 0 && _i % 100 == 2) {
     return TWO;
   }
   if (_v == 0 && _i % 100 >= 3 && _i % 100 <= 4 || _v != 0) {
     return FEW;
   }
   return OTHER;
 }

 PluralCase _lt_rule() {
   if (_n % 10 == 1 && (_n % 100 < 11 || _n % 100 > 19)) {
     return ONE;
   }
   if (_n % 10 >= 2 && _n % 10 <= 9 && (_n % 100 < 11 || _n % 100 > 19)) {
     return FEW;
   }
   if (_f != 0) {
     return MANY;
   }
   return OTHER;
 }

 PluralCase _en_rule() {
   if (_i == 1 && _v == 0) {
     return ONE;
   }
   return OTHER;
 }

 PluralCase _ak_rule() {
   if (_n >= 0 && _n <= 1) {
     return ONE;
   }
   return OTHER;
 }

 /// Selected Plural rules by locale.
 final Map pluralRules = {
   'af': _es_rule,
   'am': _hi_rule,
   'ar': _ar_rule,
   'az': _es_rule,
   'be': _be_rule,
   'bg': _es_rule,
   'bn': _hi_rule,
   'br': _br_rule,
   'bs': _sr_rule,
   'ca': _en_rule,
   'chr': _es_rule,
   'cs': _cs_rule,
   'cy': _cy_rule,
   'da': _da_rule,
   'de': _en_rule,
   'de_AT': _en_rule,
   'de_CH': _en_rule,
   'el': _es_rule,
   'en': _en_rule,
   'en_AU': _en_rule,
   'en_CA': _en_rule,
   'en_GB': _en_rule,
   'en_IE': _en_rule,
   'en_IN': _en_rule,
   'en_SG': _en_rule,
   'en_US': _en_rule,
   'en_ZA': _en_rule,
   'es': _es_rule,
   'es_419': _es_rule,
   'es_ES': _es_rule,
   'es_MX': _es_rule,
   'es_US': _es_rule,
   'et': _en_rule,
   'eu': _es_rule,
   'fa': _hi_rule,
   'fi': _en_rule,
   'fil': _fil_rule,
   'fr': _fr_rule,
   'fr_CA': _fr_rule,
   'ga': _ga_rule,
   'gl': _en_rule,
   'gsw': _es_rule,
   'gu': _hi_rule,
   'haw': _es_rule,
   'he': _he_rule,
   'hi': _hi_rule,
   'hr': _sr_rule,
   'hu': _es_rule,
   'hy': _fr_rule,
   'id': _default_rule,
   'in': _default_rule,
   'is': _is_rule,
   'it': _en_rule,
   'iw': _he_rule,
   'ja': _default_rule,
   'ka': _es_rule,
   'kk': _es_rule,
   'km': _default_rule,
   'kn': _hi_rule,
   'ko': _default_rule,
   'ky': _es_rule,
   'ln': _ak_rule,
   'lo': _default_rule,
   'lt': _lt_rule,
   'lv': _lv_rule,
   'mk': _mk_rule,
   'ml': _es_rule,
   'mn': _es_rule,
   'mo': _ro_rule,
   'mr': _hi_rule,
   'ms': _default_rule,
   'mt': _mt_rule,
   'my': _default_rule,
   'nb': _es_rule,
   'ne': _es_rule,
   'nl': _en_rule,
   'no': _es_rule,
   'no_NO': _es_rule,
   'or': _es_rule,
   'pa': _ak_rule,
   'pl': _pl_rule,
   'pt': _pt_rule,
   'pt_BR': _pt_rule,
   'pt_PT': _pt_PT_rule,
   'ro': _ro_rule,
   'ru': _ru_rule,
   'sh': _sr_rule,
   'si': _si_rule,
   'sk': _cs_rule,
   'sl': _sl_rule,
   'sq': _es_rule,
   'sr': _sr_rule,
   'sr_Latn': _sr_rule,
   'sv': _en_rule,
   'sw': _en_rule,
   'ta': _es_rule,
   'te': _es_rule,
   'th': _default_rule,
   'tl': _fil_rule,
   'tr': _es_rule,
   'uk': _ru_rule,
   'ur': _en_rule,
   'uz': _es_rule,
   'vi': _default_rule,
   'zh': _default_rule,
   'zh_CN': _default_rule,
   'zh_HK': _default_rule,
   'zh_TW': _default_rule,
   'zu': _hi_rule,
   'default': _default_rule
 };

 /// Do we have plural rules specific to [locale]
 bool localeHasPluralRules(String locale) => pluralRules.containsKey(locale);
	// Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file
	// for details. All rights reserved. Use of this source code is governed by a
	// BSD-style license that can be found in the LICENSE file.

	/// Provides locale-specific plural rules. Based on pluralrules.js from Closure.
	///
	/// Each function does the calculation for one or more locales. These are done in terms of
	/// various values used by the CLDR syntax and defined by UTS #35
	/// http://unicode.org/reports/tr35/tr35-numbers.html#Plural_rules_syntax
	///
	/// * n - absolute value of the source number (integer and decimals).
	/// * i - integer digits of n.
	/// * v - number of visible fraction digits in n, with trailing zeros.
	/// * w - number of visible fraction digits in n, without trailing zeros.
	/// * f - visible fractional digits in n, with trailing zeros.
	/// * t - visible fractional digits in n, without trailing zeros.
	library plural_rules;

	typedef PluralCase PluralRule();

	/// The possible cases used in a plural rule.
	enum PluralCase { ZERO, ONE, TWO, FEW, MANY, OTHER }

	/// The default rule in case we don't have anything more specific for a locale.
	PluralCase _default_rule() => OTHER;

	/// This must be called before evaluating a new rule, because we're using
	/// library-global state to both keep the rules terse and minimize space.
	startRuleEvaluation(int howMany) {
	_n = howMany;
	}

	/// The number whose [PluralCase] we are trying to find.
	///
	// This is library-global state, along with the other variables. This allows us
	// to avoid calculating parameters that the functions don't need and also
	// not introduce a subclass per locale or have instance tear-offs which
	// we can't cache. This is fine as long as these methods aren't async, which
	// they should never be.
	int _n;

	/// The integer part of [_n] - since we only support integers, it's the same as
	/// [_n].
	int get _i => _n;
	int opt_precision; // Not currently used.

	/// Number of visible fraction digits. Always zero since we only support int.
	int get _v => 0;

	/// Number of visible fraction digits without trailing zeros. Always zero
	/// since we only support int.
	//int get _w => 0;

	/// The visible fraction digits in n, with trailing zeros. Always zero since
	/// we only support int.
	int get _f => 0;

	/// The visible fraction digits in n, without trailing zeros. Always zero since
	/// we only support int.
	int get _t => 0;

	PluralCase get ZERO => PluralCase.ZERO;
	PluralCase get ONE => PluralCase.ONE;
	PluralCase get TWO => PluralCase.TWO;
	PluralCase get FEW => PluralCase.FEW;
	PluralCase get MANY => PluralCase.MANY;
	PluralCase get OTHER => PluralCase.OTHER;

	PluralCase _fil_rule() {
	if (_v == 0 && (_i == 1 \|\| _i == 2 \|\| _i == 3) \|\|
	_v == 0 && _i % 10 != 4 && _i % 10 != 6 && _i % 10 != 9 \|\|
	_v != 0 && _f % 10 != 4 && _f % 10 != 6 && _f % 10 != 9) {
	return ONE;
	}
	return OTHER;
	}

	PluralCase _pt_PT_rule() {
	if (_n == 1 && _v == 0) {
	return ONE;
	}
	return OTHER;
	}

	PluralCase _br_rule() {
	if (_n % 10 == 1 && _n % 100 != 11 && _n % 100 != 71 && _n % 100 != 91) {
	return ONE;
	}
	if (_n % 10 == 2 && _n % 100 != 12 && _n % 100 != 72 && _n % 100 != 92) {
	return TWO;
	}
	if ((_n % 10 >= 3 && _n % 10 <= 4 \|\| _n % 10 == 9) &&
	(_n % 100 < 10 \|\| _n % 100 > 19) &&
	(_n % 100 < 70 \|\| _n % 100 > 79) &&
	(_n % 100 < 90 \|\| _n % 100 > 99)) {
	return FEW;
	}
	if (_n != 0 && _n % 1000000 == 0) {
	return MANY;
	}
	return OTHER;
	}

	PluralCase _sr_rule() {
	if (_v == 0 && _i % 10 == 1 && _i % 100 != 11 \|\|
	_f % 10 == 1 && _f % 100 != 11) {
	return ONE;
	}
	if (_v == 0 &&
	_i % 10 >= 2 &&
	_i % 10 <= 4 &&
	(_i % 100 < 12 \|\| _i % 100 > 14) \|\|
	_f % 10 >= 2 && _f % 10 <= 4 && (_f % 100 < 12 \|\| _f % 100 > 14)) {
	return FEW;
	}
	return OTHER;
	}

	PluralCase _ro_rule() {
	if (_i == 1 && _v == 0) {
	return ONE;
	}
	if (_v != 0 \|\| _n == 0 \|\| _n != 1 && _n % 100 >= 1 && _n % 100 <= 19) {
	return FEW;
	}
	return OTHER;
	}

	PluralCase _hi_rule() {
	if (_i == 0 \|\| _n == 1) {
	return ONE;
	}
	return OTHER;
	}

	PluralCase _fr_rule() {
	if (_i == 0 \|\| _i == 1) {
	return ONE;
	}
	return OTHER;
	}

	PluralCase _cs_rule() {
	if (_i == 1 && _v == 0) {
	return ONE;
	}
	if (_i >= 2 && _i <= 4 && _v == 0) {
	return FEW;
	}
	if (_v != 0) {
	return MANY;
	}
	return OTHER;
	}

	PluralCase _pl_rule() {
	if (_i == 1 && _v == 0) {
	return ONE;
	}
	if (_v == 0 &&
	_i % 10 >= 2 &&
	_i % 10 <= 4 &&
	(_i % 100 < 12 \|\| _i % 100 > 14)) {
	return FEW;
	}
	if (_v == 0 && _i != 1 && _i % 10 >= 0 && _i % 10 <= 1 \|\|
	_v == 0 && _i % 10 >= 5 && _i % 10 <= 9 \|\|
	_v == 0 && _i % 100 >= 12 && _i % 100 <= 14) {
	return MANY;
	}
	return OTHER;
	}

	PluralCase _lv_rule() {
	if (_n % 10 == 0 \|\|
	_n % 100 >= 11 && _n % 100 <= 19 \|\|
	_v == 2 && _f % 100 >= 11 && _f % 100 <= 19) {
	return ZERO;
	}
	if (_n % 10 == 1 && _n % 100 != 11 \|\|
	_v == 2 && _f % 10 == 1 && _f % 100 != 11 \|\|
	_v != 2 && _f % 10 == 1) {
	return ONE;
	}
	return OTHER;
	}

	PluralCase _he_rule() {
	if (_i == 1 && _v == 0) {
	return ONE;
	}
	if (_i == 2 && _v == 0) {
	return TWO;
	}
	if (_v == 0 && (_n < 0 \|\| _n > 10) && _n % 10 == 0) {
	return MANY;
	}
	return OTHER;
	}

	PluralCase _mt_rule() {
	if (_n == 1) {
	return ONE;
	}
	if (_n == 0 \|\| _n % 100 >= 2 && _n % 100 <= 10) {
	return FEW;
	}
	if (_n % 100 >= 11 && _n % 100 <= 19) {
	return MANY;
	}
	return OTHER;
	}

	PluralCase _si_rule() {
	if ((_n == 0 \|\| _n == 1) \|\| _i == 0 && _f == 1) {
	return ONE;
	}
	return OTHER;
	}

	PluralCase _cy_rule() {
	if (_n == 0) {
	return ZERO;
	}
	if (_n == 1) {
	return ONE;
	}
	if (_n == 2) {
	return TWO;
	}
	if (_n == 3) {
	return FEW;
	}
	if (_n == 6) {
	return MANY;
	}
	return OTHER;
	}

	PluralCase _da_rule() {
	if (_n == 1 \|\| _t != 0 && (_i == 0 \|\| _i == 1)) {
	return ONE;
	}
	return OTHER;
	}

	PluralCase _ru_rule() {
	if (_v == 0 && _i % 10 == 1 && _i % 100 != 11) {
	return ONE;
	}
	if (_v == 0 &&
	_i % 10 >= 2 &&
	_i % 10 <= 4 &&
	(_i % 100 < 12 \|\| _i % 100 > 14)) {
	return FEW;
	}
	if (_v == 0 && _i % 10 == 0 \|\|
	_v == 0 && _i % 10 >= 5 && _i % 10 <= 9 \|\|
	_v == 0 && _i % 100 >= 11 && _i % 100 <= 14) {
	return MANY;
	}
	return OTHER;
	}

	PluralCase _be_rule() {
	if (_n % 10 == 1 && _n % 100 != 11) {
	return ONE;
	}
	if (_n % 10 >= 2 && _n % 10 <= 4 && (_n % 100 < 12 \|\| _n % 100 > 14)) {
	return FEW;
	}
	if (_n % 10 == 0 \|\|
	_n % 10 >= 5 && _n % 10 <= 9 \|\|
	_n % 100 >= 11 && _n % 100 <= 14) {
	return MANY;
	}
	return OTHER;
	}

	PluralCase _mk_rule() {
	if (_v == 0 && _i % 10 == 1 \|\| _f % 10 == 1) {
	return ONE;
	}
	return OTHER;
	}

	PluralCase _ga_rule() {
	if (_n == 1) {
	return ONE;
	}
	if (_n == 2) {
	return TWO;
	}
	if (_n >= 3 && _n <= 6) {
	return FEW;
	}
	if (_n >= 7 && _n <= 10) {
	return MANY;
	}
	return OTHER;
	}

	PluralCase _pt_rule() {
	if (_n >= 0 && _n <= 2 && _n != 2) {
	return ONE;
	}
	return OTHER;
	}

	PluralCase _es_rule() {
	if (_n == 1) {
	return ONE;
	}
	return OTHER;
	}

	PluralCase _is_rule() {
	if (_t == 0 && _i % 10 == 1 && _i % 100 != 11 \|\| _t != 0) {
	return ONE;
	}
	return OTHER;
	}

	PluralCase _ar_rule() {
	if (_n == 0) {
	return ZERO;
	}
	if (_n == 1) {
	return ONE;
	}
	if (_n == 2) {
	return TWO;
	}
	if (_n % 100 >= 3 && _n % 100 <= 10) {
	return FEW;
	}
	if (_n % 100 >= 11 && _n % 100 <= 99) {
	return MANY;
	}
	return OTHER;
	}

	PluralCase _sl_rule() {
	if (_v == 0 && _i % 100 == 1) {
	return ONE;
	}
	if (_v == 0 && _i % 100 == 2) {
	return TWO;
	}
	if (_v == 0 && _i % 100 >= 3 && _i % 100 <= 4 \|\| _v != 0) {
	return FEW;
	}
	return OTHER;
	}

	PluralCase _lt_rule() {
	if (_n % 10 == 1 && (_n % 100 < 11 \|\| _n % 100 > 19)) {
	return ONE;
	}
	if (_n % 10 >= 2 && _n % 10 <= 9 && (_n % 100 < 11 \|\| _n % 100 > 19)) {
	return FEW;
	}
	if (_f != 0) {
	return MANY;
	}
	return OTHER;
	}

	PluralCase _en_rule() {
	if (_i == 1 && _v == 0) {
	return ONE;
	}
	return OTHER;
	}

	PluralCase _ak_rule() {
	if (_n >= 0 && _n <= 1) {
	return ONE;
	}
	return OTHER;
	}

	/// Selected Plural rules by locale.
	final Map pluralRules = {
	'af': _es_rule,
	'am': _hi_rule,
	'ar': _ar_rule,
	'az': _es_rule,
	'be': _be_rule,
	'bg': _es_rule,
	'bn': _hi_rule,
	'br': _br_rule,
	'bs': _sr_rule,
	'ca': _en_rule,
	'chr': _es_rule,
	'cs': _cs_rule,
	'cy': _cy_rule,
	'da': _da_rule,
	'de': _en_rule,
	'de_AT': _en_rule,
	'de_CH': _en_rule,
	'el': _es_rule,
	'en': _en_rule,
	'en_AU': _en_rule,
	'en_CA': _en_rule,
	'en_GB': _en_rule,
	'en_IE': _en_rule,
	'en_IN': _en_rule,
	'en_SG': _en_rule,
	'en_US': _en_rule,
	'en_ZA': _en_rule,
	'es': _es_rule,
	'es_419': _es_rule,
	'es_ES': _es_rule,
	'es_MX': _es_rule,
	'es_US': _es_rule,
	'et': _en_rule,
	'eu': _es_rule,
	'fa': _hi_rule,
	'fi': _en_rule,
	'fil': _fil_rule,
	'fr': _fr_rule,
	'fr_CA': _fr_rule,
	'ga': _ga_rule,
	'gl': _en_rule,
	'gsw': _es_rule,
	'gu': _hi_rule,
	'haw': _es_rule,
	'he': _he_rule,
	'hi': _hi_rule,
	'hr': _sr_rule,
	'hu': _es_rule,
	'hy': _fr_rule,
	'id': _default_rule,
	'in': _default_rule,
	'is': _is_rule,
	'it': _en_rule,
	'iw': _he_rule,
	'ja': _default_rule,
	'ka': _es_rule,
	'kk': _es_rule,
	'km': _default_rule,
	'kn': _hi_rule,
	'ko': _default_rule,
	'ky': _es_rule,
	'ln': _ak_rule,
	'lo': _default_rule,
	'lt': _lt_rule,
	'lv': _lv_rule,
	'mk': _mk_rule,
	'ml': _es_rule,
	'mn': _es_rule,
	'mo': _ro_rule,
	'mr': _hi_rule,
	'ms': _default_rule,
	'mt': _mt_rule,
	'my': _default_rule,
	'nb': _es_rule,
	'ne': _es_rule,
	'nl': _en_rule,
	'no': _es_rule,
	'no_NO': _es_rule,
	'or': _es_rule,
	'pa': _ak_rule,
	'pl': _pl_rule,
	'pt': _pt_rule,
	'pt_BR': _pt_rule,
	'pt_PT': _pt_PT_rule,
	'ro': _ro_rule,
	'ru': _ru_rule,
	'sh': _sr_rule,
	'si': _si_rule,
	'sk': _cs_rule,
	'sl': _sl_rule,
	'sq': _es_rule,
	'sr': _sr_rule,
	'sr_Latn': _sr_rule,
	'sv': _en_rule,
	'sw': _en_rule,
	'ta': _es_rule,
	'te': _es_rule,
	'th': _default_rule,
	'tl': _fil_rule,
	'tr': _es_rule,
	'uk': _ru_rule,
	'ur': _en_rule,
	'uz': _es_rule,
	'vi': _default_rule,
	'zh': _default_rule,
	'zh_CN': _default_rule,
	'zh_HK': _default_rule,
	'zh_TW': _default_rule,
	'zu': _hi_rule,
	'default': _default_rule
	};

	/// Do we have plural rules specific to [locale]
	bool localeHasPluralRules(String locale) => pluralRules.containsKey(locale);