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miniflux/internal/locale/plural.go
jvoisin 48fa64f8ec Use a switch-case construct in internal/locale/plural.go instead of an avalanche of if-if-if-if-if
Less lines or code and marginally greater readability, yay!
Oh and also preallocate a map in LoadCatalogMessages just because we can.
2024-02-28 19:36:38 -08:00

81 lines
1.8 KiB
Go

// SPDX-FileCopyrightText: Copyright The Miniflux Authors. All rights reserved.
// SPDX-License-Identifier: Apache-2.0
package locale // import "miniflux.app/v2/internal/locale"
// See https://localization-guide.readthedocs.io/en/latest/l10n/pluralforms.html
// And http://www.unicode.org/cldr/charts/29/supplemental/language_plural_rules.html
var pluralForms = map[string](func(n int) int){
// nplurals=2; plural=(n != 1);
"default": func(n int) int {
if n != 1 {
return 1
}
return 0
},
// nplurals=6; plural=(n==0 ? 0 : n==1 ? 1 : n==2 ? 2 : n%100>=3 && n%100<=10 ? 3 : n%100>=11 ? 4 : 5);
"ar_AR": func(n int) int {
switch {
case n == 0:
return 0
case n == 1:
return 1
case n == 2:
return 2
case n%100 >= 3 && n%100 <= 10:
return 3
case n%100 >= 11:
return 4
}
return 5
},
// nplurals=3; plural=(n==1) ? 0 : (n>=2 && n<=4) ? 1 : 2;
"cs_CZ": func(n int) int {
switch {
case n == 1:
return 0
case n >= 2 && n <= 4:
return 1
}
return 2
},
// nplurals=1; plural=0;
"id_ID": func(n int) int {
return 0
},
// nplurals=3; plural=(n==1 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);
"pl_PL": func(n int) int {
switch {
case n == 1:
return 0
case n%10 >= 2 && n%10 <= 4 && (n%100 < 10 || n%100 >= 20):
return 1
}
return 2
},
// nplurals=2; plural=(n > 1);
"pt_BR": func(n int) int {
if n > 1 {
return 1
}
return 0
},
"ru_RU": pluralFormRuSrUa,
"uk_UA": pluralFormRuSrUa,
"sr_RS": pluralFormRuSrUa,
// nplurals=1; plural=0;
"zh_CN": func(n int) int {
return 0
},
}
// nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);
func pluralFormRuSrUa(n int) int {
switch {
case n%10 == 1 && n%100 != 11:
return 0
case n%10 >= 2 && n%10 <= 4 && (n%100 < 10 || n%100 >= 20):
return 1
}
return 2
}