forked from midou/invidious
i18n: make multiple fixes to i18next plurals
This commit is contained in:
Samantaz Fox
parent
2a156e7313
commit
4752e16ad2
@ -5,7 +5,7 @@ module I18next::Plurals
|
||||
# I18next plural forms definition
|
||||
# -----------------------------------
|
||||
|
||||
private enum PluralForms
|
||||
enum PluralForms
|
||||
# One singular, one plural forms
|
||||
Single_gt_one = 1 # E.g: French
|
||||
Single_not_one = 2 # E.g: English
|
||||
@ -34,6 +34,7 @@ module I18next::Plurals
|
||||
Special_Romanian = 20
|
||||
Special_Slovenian = 21
|
||||
Special_Hebrew = 22
|
||||
Special_Odia = 23
|
||||
end
|
||||
|
||||
private PLURAL_SETS = {
|
||||
@ -75,13 +76,15 @@ module I18next::Plurals
|
||||
"mk" => PluralForms::Special_Macedonian,
|
||||
"mnk" => PluralForms::Special_Mandinka,
|
||||
"mt" => PluralForms::Special_Maltese,
|
||||
"or" => PluralForms::Special_Odia,
|
||||
"pl" => PluralForms::Special_Polish_Kashubian,
|
||||
"ro" => PluralForms::Special_Romanian,
|
||||
"sk" => PluralForms::Special_Czech_Slovak,
|
||||
"sl" => PluralForms::Special_Slovenian,
|
||||
}
|
||||
|
||||
# The array indices matches the PluralForms enum above
|
||||
# These are the v1 and v2 compatible suffixes.
|
||||
# The array indices matches the PluralForms enum above.
|
||||
private NUMBERS = [
|
||||
[1, 2], # 1
|
||||
[1, 2], # 2
|
||||
@ -105,67 +108,58 @@ module I18next::Plurals
|
||||
[1, 2, 20], # 20
|
||||
[5, 1, 2, 3], # 21
|
||||
[1, 2, 20, 21], # 22
|
||||
[2, 1], # 23 (Odia)
|
||||
]
|
||||
|
||||
# "or" ()
|
||||
private NUMBERS_OR = [2, 1]
|
||||
|
||||
# -----------------------------------
|
||||
# I18next plural resolver class
|
||||
# -----------------------------------
|
||||
|
||||
RESOLVER = Resolver.new
|
||||
|
||||
class Resolver
|
||||
@@forms : Hash(String, PluralForms) = init_rules()
|
||||
@@version : UInt8 = 3
|
||||
private property forms = {} of String => PluralForms
|
||||
property version : UInt8 = 3
|
||||
|
||||
# Options
|
||||
property simplify_plural_suffix : Bool = true
|
||||
|
||||
# Suffixes
|
||||
SUFFIXES_V1 = {
|
||||
"",
|
||||
"_plural_1",
|
||||
"_plural_2",
|
||||
"_plural_3",
|
||||
"_plural_11",
|
||||
"_plural_100",
|
||||
}
|
||||
SUFFIXES_V2 = {"_0", "_1", "_2", "_3", "_11", "_100"}
|
||||
SUFFIXES_V3 = {"_0", "_1", "_2", "_3", "_4", "_5"}
|
||||
|
||||
def initialize(version : UInt8 = 3)
|
||||
def initialize(version : Int = 3)
|
||||
# Sanity checks
|
||||
# V4 isn't supported, as it requires a full CLDR database.
|
||||
if version > 4 || version == 0
|
||||
raise "Invalid i18next version: v#{version}."
|
||||
elsif version == 4
|
||||
# Logger.error("Unsupported i18next version: v4. Falling back to v3")
|
||||
@@version = 3
|
||||
@version = 3_u8
|
||||
else
|
||||
@@version = version
|
||||
@version = version.to_u8
|
||||
end
|
||||
|
||||
self.init_rules
|
||||
end
|
||||
|
||||
def self.init_rules
|
||||
def init_rules # : Hash(String, PluralForms)
|
||||
# Init
|
||||
# forms = {} of String => PluralForms
|
||||
|
||||
# Look into sets
|
||||
PLURAL_SETS.each do |form, langs|
|
||||
langs.each { |lang| @@forms[lang] = form }
|
||||
langs.each { |lang| self.forms[lang] = form }
|
||||
end
|
||||
|
||||
# Add plurals from the "singles" set
|
||||
@@forms.merge!(PLURAL_SINGLES)
|
||||
self.forms.merge!(PLURAL_SINGLES)
|
||||
end
|
||||
|
||||
def get_plural_form(locale : String) : PluralForms
|
||||
# Extract the ISO 639-1 or 639-2 code from an RFC 5646
|
||||
# language code, except for pt-BR which needs to be kept as-is.
|
||||
if locale.starts_with?("pt-BR")
|
||||
locale = "pt-BR"
|
||||
else
|
||||
# Extract the ISO 639-1 or 639-2 code from an RFC 5646 language code,
|
||||
# except for pt-BR and pt-PT which needs to be kept as-is.
|
||||
if !locale.matches?(/^pt-(BR|PT)$/)
|
||||
locale = locale.split('-')[0]
|
||||
end
|
||||
|
||||
return @@forms[locale] if @@forms[locale]?
|
||||
return self.forms[locale] if self.forms[locale]?
|
||||
|
||||
# If nothing was found, then use the most common form, i.e
|
||||
# one singular and one plural, as in english. Not perfect,
|
||||
@ -181,32 +175,48 @@ module I18next::Plurals
|
||||
return get_suffix_retrocompat(locale, count.abs)
|
||||
end
|
||||
|
||||
def get_suffix_retrocompat(locale : String, count : Int) : String
|
||||
# Emulate the `rule.numbers.size == 2 && rule.numbers[0] == 1` check
|
||||
# from original i18next code
|
||||
private def is_simple_plural(form : PluralForms) : Bool
|
||||
case form
|
||||
when .single_gt_one? then return true
|
||||
when .single_not_one? then return true
|
||||
when .special_icelandic? then return true
|
||||
when .special_macedonian? then return true
|
||||
else
|
||||
return false
|
||||
end
|
||||
end
|
||||
|
||||
private def get_suffix_retrocompat(locale : String, count : Int) : String
|
||||
# Get plural form
|
||||
plural_form = get_plural_form(locale)
|
||||
rule_numbers = (locale == "or") ? NUMBERS_OR : NUMBERS[plural_form.to_i]
|
||||
|
||||
# Languages with no plural have no suffix
|
||||
return "" if plural_form.none?
|
||||
# Languages with no plural have the "_0" suffix
|
||||
return "_0" if plural_form.none?
|
||||
|
||||
# Get the index and suffix for this number
|
||||
idx = SuffixIndex.get_index(plural_form, count)
|
||||
suffix = rule_numbers[idx]
|
||||
|
||||
# Simple plurals are handled differently in all versions (but v4)
|
||||
if @simplify_plural_suffix && rule_numbers.size == 2 && rule_numbers[0] == 1
|
||||
return "_plural" if (suffix == 2)
|
||||
return "" if (suffix == 1)
|
||||
if @simplify_plural_suffix && is_simple_plural(plural_form)
|
||||
return (idx == 1) ? "_plural" : ""
|
||||
end
|
||||
|
||||
# More complex plurals
|
||||
# TODO: support `options.prepend` for v2 and v3
|
||||
# TODO: support v1 and v2
|
||||
# TODO: support `options.prepend` (v2 and v3)
|
||||
# this.options.prepend && suffix.toString() ? this.options.prepend + suffix.toString() : suffix.toString()
|
||||
case @version
|
||||
when 1 then return SUFFIXES_V1[idx]
|
||||
when 2 then return SUFFIXES_V2[idx]
|
||||
else return SUFFIXES_V3[idx]
|
||||
end
|
||||
#
|
||||
# case @version
|
||||
# when 1
|
||||
# suffix = SUFFIXES_V1_V2[plural_form.to_i][idx]
|
||||
# return (suffix == 1) ? "" : return "_plural_#{suffix}"
|
||||
# when 2
|
||||
# return "_#{suffix}"
|
||||
# else # v3
|
||||
return "_#{idx}"
|
||||
# end
|
||||
end
|
||||
end
|
||||
|
||||
@ -238,6 +248,7 @@ module I18next::Plurals
|
||||
when .special_romanian? then return special_romanian(count)
|
||||
when .special_slovenian? then return special_slovenian(count)
|
||||
when .special_hebrew? then return special_hebrew(count)
|
||||
when .special_odia? then return special_odia(count)
|
||||
else
|
||||
# default, if nothing matched above
|
||||
return 0_u8
|
||||
@ -324,7 +335,8 @@ module I18next::Plurals
|
||||
# Rule: (n==1 ? 0 : n==2 ? 1 : n<7 ? 2 : n<11 ? 3 : 4)
|
||||
#
|
||||
def self.special_irish(count : Int) : UInt8
|
||||
return count.to_u8 if (count == 1 || count == 2)
|
||||
return 0_u8 if (count == 1)
|
||||
return 1_u8 if (count == 2)
|
||||
return 2_u8 if (count < 7)
|
||||
return 3_u8 if (count < 11)
|
||||
return 4_u8
|
||||
@ -488,5 +500,15 @@ module I18next::Plurals
|
||||
return 3_u8
|
||||
end
|
||||
end
|
||||
|
||||
# Plural form for Odia ("or") language
|
||||
#
|
||||
# This one is a bit special. It should use rule #2 (like english)
|
||||
# but the "numbers" (suffixes?) it has are inverted, so we'll make a
|
||||
# special rule for it.
|
||||
#
|
||||
def self.special_odia(count : Int) : UInt8
|
||||
return (count == 1) ? 0_u8 : 1_u8
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
Loading…
Reference in New Issue
Block a user