plural.go 2.4 KB

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  1. // SPDX-FileCopyrightText: Copyright The Miniflux Authors. All rights reserved.
  2. // SPDX-License-Identifier: Apache-2.0
  3. package locale // import "miniflux.app/v2/internal/locale"
  4. // See https://localization-guide.readthedocs.io/en/latest/l10n/pluralforms.html
  5. // And http://www.unicode.org/cldr/charts/29/supplemental/language_plural_rules.html
  6. var pluralForms = map[string]func(n int) int{
  7. // nplurals=2; plural=(n != 1);
  8. "default": func(n int) int {
  9. if n != 1 {
  10. return 1
  11. }
  12. return 0
  13. },
  14. // nplurals=6; plural=(n==0 ? 0 : n==1 ? 1 : n==2 ? 2 : n%100>=3 && n%100<=10 ? 3 : n%100>=11 ? 4 : 5);
  15. "ar_AR": func(n int) int {
  16. switch {
  17. case n == 0:
  18. return 0
  19. case n == 1:
  20. return 1
  21. case n == 2:
  22. return 2
  23. case n%100 >= 3 && n%100 <= 10:
  24. return 3
  25. case n%100 >= 11:
  26. return 4
  27. }
  28. return 5
  29. },
  30. // nplurals=3; plural=(n==1) ? 0 : (n>=2 && n<=4) ? 1 : 2;
  31. "cs_CZ": func(n int) int {
  32. switch {
  33. case n == 1:
  34. return 0
  35. case n >= 2 && n <= 4:
  36. return 1
  37. }
  38. return 2
  39. },
  40. // nplurals=2; plural=(n > 1);
  41. "fr_FR": func(n int) int {
  42. if n > 1 {
  43. return 1
  44. }
  45. return 0
  46. },
  47. // nplurals=1; plural=0;
  48. "id_ID": func(n int) int {
  49. return 0
  50. },
  51. // nplurals=1; plural=0;
  52. "ja_JP": func(n int) int {
  53. return 0
  54. },
  55. // nplurals=3; plural=(n==1 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);
  56. "pl_PL": func(n int) int {
  57. switch {
  58. case n == 1:
  59. return 0
  60. case n%10 >= 2 && n%10 <= 4 && (n%100 < 10 || n%100 >= 20):
  61. return 1
  62. }
  63. return 2
  64. },
  65. // nplurals=2; plural=(n > 1);
  66. "pt_BR": func(n int) int {
  67. if n > 1 {
  68. return 1
  69. }
  70. return 0
  71. },
  72. // nplurals=3; plural=(n==1 ? 0 : n==0 || (n%100 > 0 && n%100 < 20) ? 1 : 2);
  73. "ro_RO": func(n int) int {
  74. switch {
  75. case n == 1:
  76. return 0
  77. case n == 0 || (n%100 > 0 && n%100 < 20):
  78. return 1
  79. }
  80. return 2
  81. },
  82. "ru_RU": pluralFormRuSrUa,
  83. // nplurals=2; plural=(n > 1);
  84. "tr_TR": func(n int) int {
  85. if n > 1 {
  86. return 1
  87. }
  88. return 0
  89. },
  90. "uk_UA": pluralFormRuSrUa,
  91. "sr_RS": pluralFormRuSrUa,
  92. // nplurals=1; plural=0;
  93. "zh_CN": func(n int) int {
  94. return 0
  95. },
  96. "zh_TW": func(n int) int {
  97. return 0
  98. },
  99. "nan_Latn_pehoeji": func(n int) int {
  100. return 0
  101. },
  102. }
  103. // nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);
  104. func pluralFormRuSrUa(n int) int {
  105. switch {
  106. case n%10 == 1 && n%100 != 11:
  107. return 0
  108. case n%10 >= 2 && n%10 <= 4 && (n%100 < 10 || n%100 >= 20):
  109. return 1
  110. }
  111. return 2
  112. }