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i18Next: Add exceptions for mixed v3/v4 plural forms (#4147)
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Samantaz Fox
commit
8ca884a5a3
@ -15,12 +15,15 @@ FORM_TESTS = {
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"ar" => I18next::Plurals::PluralForms::Special_Arabic,
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"be" => I18next::Plurals::PluralForms::Dual_Slavic,
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"cy" => I18next::Plurals::PluralForms::Special_Welsh,
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"fr" => I18next::Plurals::PluralForms::Special_French_Portuguese,
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"en" => I18next::Plurals::PluralForms::Single_not_one,
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"fr" => I18next::Plurals::PluralForms::Single_gt_one,
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"es" => I18next::Plurals::PluralForms::Single_not_one,
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"ga" => I18next::Plurals::PluralForms::Special_Irish,
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"gd" => I18next::Plurals::PluralForms::Special_Scottish_Gaelic,
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"he" => I18next::Plurals::PluralForms::Special_Hebrew,
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"hr" => I18next::Plurals::PluralForms::Special_Hungarian_Serbian,
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"is" => I18next::Plurals::PluralForms::Special_Icelandic,
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"it" => I18next::Plurals::PluralForms::Special_Spanish_Italian,
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"jv" => I18next::Plurals::PluralForms::Special_Javanese,
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"kw" => I18next::Plurals::PluralForms::Special_Cornish,
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"lt" => I18next::Plurals::PluralForms::Special_Lithuanian,
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@ -31,12 +34,12 @@ FORM_TESTS = {
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"or" => I18next::Plurals::PluralForms::Special_Odia,
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"pl" => I18next::Plurals::PluralForms::Special_Polish_Kashubian,
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"pt" => I18next::Plurals::PluralForms::Single_gt_one,
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"pt-PT" => I18next::Plurals::PluralForms::Single_not_one,
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"pt-BR" => I18next::Plurals::PluralForms::Single_gt_one,
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"pt-BR" => I18next::Plurals::PluralForms::Special_French_Portuguese,
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"ro" => I18next::Plurals::PluralForms::Special_Romanian,
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"su" => I18next::Plurals::PluralForms::None,
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"sk" => I18next::Plurals::PluralForms::Special_Czech_Slovak,
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"sl" => I18next::Plurals::PluralForms::Special_Slovenian,
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"su" => I18next::Plurals::PluralForms::None,
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"sr" => I18next::Plurals::PluralForms::Special_Hungarian_Serbian,
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}
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SUFFIX_TESTS = {
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@ -73,10 +76,18 @@ SUFFIX_TESTS = {
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{num: 1, suffix: ""},
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{num: 10, suffix: "_plural"},
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],
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"fr" => [
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{num: 0, suffix: ""},
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"es" => [
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{num: 0, suffix: "_plural"},
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{num: 1, suffix: ""},
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{num: 10, suffix: "_plural"},
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{num: 6_000_000, suffix: "_plural"},
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],
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"fr" => [
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{num: 0, suffix: "_0"},
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{num: 1, suffix: "_0"},
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{num: 10, suffix: "_2"},
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{num: 4_000_000, suffix: "_1"},
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{num: 6_260_000, suffix: "_2"},
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],
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"ga" => [
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{num: 1, suffix: "_0"},
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@ -155,31 +166,24 @@ SUFFIX_TESTS = {
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{num: 1, suffix: "_0"},
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{num: 5, suffix: "_2"},
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],
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"pt" => [
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{num: 0, suffix: ""},
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{num: 1, suffix: ""},
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{num: 10, suffix: "_plural"},
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"pt-BR" => [
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{num: 0, suffix: "_0"},
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{num: 1, suffix: "_0"},
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{num: 10, suffix: "_2"},
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{num: 42, suffix: "_2"},
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{num: 9_000_000, suffix: "_1"},
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],
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"pt-PT" => [
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{num: 0, suffix: "_plural"},
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{num: 1, suffix: ""},
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{num: 10, suffix: "_plural"},
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],
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"pt-BR" => [
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{num: 0, suffix: ""},
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{num: 1, suffix: ""},
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{num: 10, suffix: "_plural"},
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{num: 9_000_000, suffix: "_plural"},
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],
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"ro" => [
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{num: 0, suffix: "_1"},
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{num: 1, suffix: "_0"},
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{num: 20, suffix: "_2"},
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],
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"su" => [
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{num: 0, suffix: "_0"},
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{num: 1, suffix: "_0"},
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{num: 10, suffix: "_0"},
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],
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"sk" => [
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{num: 0, suffix: "_2"},
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{num: 1, suffix: "_0"},
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@ -191,6 +195,18 @@ SUFFIX_TESTS = {
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{num: 2, suffix: "_2"},
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{num: 3, suffix: "_3"},
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],
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"su" => [
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{num: 0, suffix: "_0"},
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{num: 1, suffix: "_0"},
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{num: 10, suffix: "_0"},
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],
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"sr" => [
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{num: 1, suffix: "_0"},
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{num: 51, suffix: "_0"},
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{num: 32, suffix: "_1"},
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{num: 100, suffix: "_2"},
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{num: 100_000, suffix: "_2"},
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],
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}
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Spectator.describe "i18next_Plural_Resolver" do
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@ -35,19 +35,27 @@ module I18next::Plurals
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Special_Slovenian = 21
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Special_Hebrew = 22
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Special_Odia = 23
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# Mixed v3/v4 rules in Weblate
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# `es`, `pt` and `pt-PT` doesn't seem to have been refreshed
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# by weblate yet, but I suspect it will happen one day.
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# See: https://github.com/translate/translate/issues/4873
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Special_French_Portuguese
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Special_Hungarian_Serbian
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Special_Spanish_Italian
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end
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private PLURAL_SETS = {
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PluralForms::Single_gt_one => [
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"ach", "ak", "am", "arn", "br", "fil", "fr", "gun", "ln", "mfe", "mg",
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"mi", "oc", "pt", "pt-BR", "tg", "tl", "ti", "tr", "uz", "wa",
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"ach", "ak", "am", "arn", "br", "fil", "gun", "ln", "mfe", "mg",
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"mi", "oc", "pt", "tg", "tl", "ti", "tr", "uz", "wa",
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],
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PluralForms::Single_not_one => [
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"af", "an", "ast", "az", "bg", "bn", "ca", "da", "de", "dev", "el", "en",
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"eo", "es", "et", "eu", "fi", "fo", "fur", "fy", "gl", "gu", "ha", "hi",
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"hu", "hy", "ia", "it", "kk", "kn", "ku", "lb", "mai", "ml", "mn", "mr",
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"hu", "hy", "ia", "kk", "kn", "ku", "lb", "mai", "ml", "mn", "mr",
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"nah", "nap", "nb", "ne", "nl", "nn", "no", "nso", "pa", "pap", "pms",
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"ps", "pt-PT", "rm", "sco", "se", "si", "so", "son", "sq", "sv", "sw",
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"ps", "rm", "sco", "se", "si", "so", "son", "sq", "sv", "sw",
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"ta", "te", "tk", "ur", "yo",
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],
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PluralForms::None => [
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@ -55,7 +63,7 @@ module I18next::Plurals
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"lo", "ms", "sah", "su", "th", "tt", "ug", "vi", "wo", "zh",
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],
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PluralForms::Dual_Slavic => [
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"be", "bs", "cnr", "dz", "hr", "ru", "sr", "uk",
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"be", "bs", "cnr", "dz", "ru", "uk",
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],
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}
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@ -81,6 +89,12 @@ module I18next::Plurals
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"ro" => PluralForms::Special_Romanian,
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"sk" => PluralForms::Special_Czech_Slovak,
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"sl" => PluralForms::Special_Slovenian,
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# Mixed v3/v4 rules
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"fr" => PluralForms::Special_French_Portuguese,
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"hr" => PluralForms::Special_Hungarian_Serbian,
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"it" => PluralForms::Special_Spanish_Italian,
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"pt-BR" => PluralForms::Special_French_Portuguese,
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"sr" => PluralForms::Special_Hungarian_Serbian,
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}
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# These are the v1 and v2 compatible suffixes.
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@ -150,9 +164,8 @@ module I18next::Plurals
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end
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def get_plural_form(locale : String) : PluralForms
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# Extract the ISO 639-1 or 639-2 code from an RFC 5646 language code,
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# except for pt-BR and pt-PT which needs to be kept as-is.
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if !locale.matches?(/^pt-(BR|PT)$/)
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# Extract the ISO 639-1 or 639-2 code from an RFC 5646 language code
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if !locale.matches?(/^pt-BR$/)
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locale = locale.split('-')[0]
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end
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@ -246,6 +259,10 @@ module I18next::Plurals
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when .special_slovenian? then return special_slovenian(count)
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when .special_hebrew? then return special_hebrew(count)
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when .special_odia? then return special_odia(count)
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# Mixed v3/v4 forms
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when .special_spanish_italian? then return special_cldr_Spanish_Italian(count)
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when .special_french_portuguese? then return special_cldr_French_Portuguese(count)
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when .special_hungarian_serbian? then return special_cldr_Hungarian_Serbian(count)
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else
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# default, if nothing matched above
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return 0_u8
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@ -507,5 +524,42 @@ module I18next::Plurals
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def self.special_odia(count : Int) : UInt8
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return (count == 1) ? 0_u8 : 1_u8
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end
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# -------------------
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# "v3.5" rules
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# -------------------
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# Plural form for Spanish & Italian languages
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#
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# This rule is mostly compliant to CLDR v42
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#
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def self.special_cldr_Spanish_Italian(count : Int) : UInt8
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return 0_u8 if (count == 1) # one
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return 1_u8 if (count != 0 && count % 1_000_000 == 0) # many
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return 2_u8 # other
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end
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# Plural form for French and Portuguese
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#
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# This rule is mostly compliant to CLDR v42
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#
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def self.special_cldr_French_Portuguese(count : Int) : UInt8
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return 0_u8 if (count == 0 || count == 1) # one
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return 1_u8 if (count % 1_000_000 == 0) # many
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return 2_u8 # other
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end
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# Plural form for Hungarian and Serbian
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#
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# This rule is mostly compliant to CLDR v42
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#
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def self.special_cldr_Hungarian_Serbian(count : Int) : UInt8
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n_mod_10 = count % 10
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n_mod_100 = count % 100
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return 0_u8 if (n_mod_10 == 1 && n_mod_100 != 11) # one
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return 1_u8 if (2 <= n_mod_10 <= 4 && (n_mod_100 < 12 || 14 < n_mod_100)) # few
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return 2_u8 # other
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end
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end
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end
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