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1 | 1 | # Redmine - project management software |
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2 | 2 | # Copyright (C) 2006-2016 Jean-Philippe Lang |
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3 | 3 | # |
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4 | 4 | # This program is free software; you can redistribute it and/or |
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5 | 5 | # modify it under the terms of the GNU General Public License |
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6 | 6 | # as published by the Free Software Foundation; either version 2 |
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7 | 7 | # of the License, or (at your option) any later version. |
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8 | 8 | # |
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9 | 9 | # This program is distributed in the hope that it will be useful, |
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10 | 10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | 11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 | 12 | # GNU General Public License for more details. |
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13 | 13 | # |
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14 | 14 | # You should have received a copy of the GNU General Public License |
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15 | 15 | # along with this program; if not, write to the Free Software |
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16 | 16 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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17 | 17 | |
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18 | 18 | module Redmine |
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19 | 19 | module I18n |
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20 | 20 | def self.included(base) |
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21 | 21 | base.extend Redmine::I18n |
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22 | 22 | end |
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23 | 23 | |
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24 | 24 | def l(*args) |
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25 | 25 | case args.size |
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26 | 26 | when 1 |
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27 | 27 | ::I18n.t(*args) |
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28 | 28 | when 2 |
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29 | 29 | if args.last.is_a?(Hash) |
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30 | 30 | ::I18n.t(*args) |
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31 | 31 | elsif args.last.is_a?(String) |
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32 | 32 | ::I18n.t(args.first, :value => args.last) |
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33 | 33 | else |
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34 | 34 | ::I18n.t(args.first, :count => args.last) |
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35 | 35 | end |
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36 | 36 | else |
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37 | 37 | raise "Translation string with multiple values: #{args.first}" |
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38 | 38 | end |
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39 | 39 | end |
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40 | 40 | |
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41 | 41 | def l_or_humanize(s, options={}) |
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42 | 42 | k = "#{options[:prefix]}#{s}".to_sym |
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43 | 43 | ::I18n.t(k, :default => s.to_s.humanize) |
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44 | 44 | end |
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45 | 45 | |
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46 | 46 | def l_hours(hours) |
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47 | 47 | hours = hours.to_f |
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48 | 48 | l((hours < 2.0 ? :label_f_hour : :label_f_hour_plural), :value => ("%.2f" % hours.to_f)) |
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49 | 49 | end |
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50 | 50 | |
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51 | 51 | def l_hours_short(hours) |
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52 | 52 | l(:label_f_hour_short, :value => ("%.2f" % hours.to_f)) |
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53 | 53 | end |
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54 | 54 | |
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55 | 55 | def ll(lang, str, arg=nil) |
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56 | 56 | options = arg.is_a?(Hash) ? arg : {:value => arg} |
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57 | 57 | locale = lang.to_s.gsub(%r{(.+)\-(.+)$}) { "#{$1}-#{$2.upcase}" } |
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58 | 58 | ::I18n.t(str.to_s, options.merge(:locale => locale)) |
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59 | 59 | end |
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60 | 60 | |
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61 | 61 | # Localizes the given args with user's language |
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62 | 62 | def lu(user, *args) |
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63 | 63 | lang = user.try(:language).presence || Setting.default_language |
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64 | 64 | ll(lang, *args) |
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65 | 65 | end |
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66 | 66 | |
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67 | 67 | def format_date(date) |
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68 | 68 | return nil unless date |
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69 | 69 | options = {} |
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70 | 70 | options[:format] = Setting.date_format unless Setting.date_format.blank? |
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71 | 71 | ::I18n.l(date.to_date, options) |
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72 | 72 | end |
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73 | 73 | |
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74 | 74 | def format_time(time, include_date=true, user=nil) |
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75 | 75 | return nil unless time |
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76 | 76 | user ||= User.current |
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77 | 77 | options = {} |
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78 | 78 | options[:format] = (Setting.time_format.blank? ? :time : Setting.time_format) |
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79 | 79 | time = time.to_time if time.is_a?(String) |
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80 | 80 | zone = user.time_zone |
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81 | 81 | local = zone ? time.in_time_zone(zone) : (time.utc? ? time.localtime : time) |
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82 | 82 | (include_date ? "#{format_date(local)} " : "") + ::I18n.l(local, options) |
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83 | 83 | end |
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84 | 84 | |
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85 | 85 | def day_name(day) |
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86 | 86 | ::I18n.t('date.day_names')[day % 7] |
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87 | 87 | end |
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88 | 88 | |
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89 | 89 | def day_letter(day) |
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90 | 90 | ::I18n.t('date.abbr_day_names')[day % 7].first |
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91 | 91 | end |
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92 | 92 | |
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93 | 93 | def month_name(month) |
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94 | 94 | ::I18n.t('date.month_names')[month] |
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95 | 95 | end |
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96 | 96 | |
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97 | 97 | def valid_languages |
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98 | 98 | ::I18n.available_locales |
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99 | 99 | end |
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100 | 100 | |
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101 | 101 | # Returns an array of languages names and code sorted by names, example: |
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102 | 102 | # [["Deutsch", "de"], ["English", "en"] ...] |
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103 | 103 | # |
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104 | 104 | # The result is cached to prevent from loading all translations files |
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105 | 105 | # unless :cache => false option is given |
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106 | 106 | def languages_options(options={}) |
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107 | 107 | options = if options[:cache] == false |
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108 | 108 | valid_languages. |
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109 | 109 | select {|locale| ::I18n.exists?(:general_lang_name, locale)}. |
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110 | 110 | map {|lang| [ll(lang.to_s, :general_lang_name), lang.to_s]}. |
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111 | 111 | sort {|x,y| x.first <=> y.first } |
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112 | 112 | else |
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113 | 113 | ActionController::Base.cache_store.fetch "i18n/languages_options/#{Redmine::VERSION}" do |
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114 | 114 | languages_options :cache => false |
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115 | 115 | end |
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116 | 116 | end |
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117 | 117 | options.map {|name, lang| [name.force_encoding("UTF-8"), lang.force_encoding("UTF-8")]} |
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118 | 118 | end |
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119 | 119 | |
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120 | 120 | def find_language(lang) |
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121 | 121 | @@languages_lookup = valid_languages.inject({}) {|k, v| k[v.to_s.downcase] = v; k } |
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122 | 122 | @@languages_lookup[lang.to_s.downcase] |
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123 | 123 | end |
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124 | 124 | |
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125 | 125 | def set_language_if_valid(lang) |
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126 | 126 | if l = find_language(lang) |
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127 | 127 | ::I18n.locale = l |
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128 | 128 | end |
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129 | 129 | end |
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130 | 130 | |
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131 | 131 | def current_language |
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132 | 132 | ::I18n.locale |
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133 | 133 | end |
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134 | 134 | |
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135 | 135 | # Custom backend based on I18n::Backend::Simple with the following changes: |
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136 | 136 | # * lazy loading of translation files |
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137 | 137 | # * available_locales are determined by looking at translation file names |
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138 | 138 | class Backend |
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139 | 139 | (class << self; self; end).class_eval { public :include } |
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140 | 140 | |
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141 | 141 | module Implementation |
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142 | 142 | include ::I18n::Backend::Base |
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143 | include ::I18n::Backend::Pluralization | |
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143 | 144 | |
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144 | 145 | # Stores translations for the given locale in memory. |
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145 | 146 | # This uses a deep merge for the translations hash, so existing |
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146 | 147 | # translations will be overwritten by new ones only at the deepest |
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147 | 148 | # level of the hash. |
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148 | 149 | def store_translations(locale, data, options = {}) |
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149 | 150 | locale = locale.to_sym |
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150 | 151 | translations[locale] ||= {} |
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151 | 152 | data = data.deep_symbolize_keys |
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152 | 153 | translations[locale].deep_merge!(data) |
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153 | 154 | end |
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154 | 155 | |
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155 | 156 | # Get available locales from the translations filenames |
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156 | 157 | def available_locales |
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157 | 158 | @available_locales ||= ::I18n.load_path.map {|path| File.basename(path, '.*')}.uniq.sort.map(&:to_sym) |
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158 | 159 | end |
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159 | 160 | |
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160 | 161 | # Clean up translations |
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161 | 162 | def reload! |
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162 | 163 | @translations = nil |
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163 | 164 | @available_locales = nil |
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164 | 165 | super |
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165 | 166 | end |
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166 | 167 | |
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167 | 168 | protected |
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168 | 169 | |
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169 | 170 | def init_translations(locale) |
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170 | 171 | locale = locale.to_s |
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171 | 172 | paths = ::I18n.load_path.select {|path| File.basename(path, '.*') == locale} |
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172 | 173 | load_translations(paths) |
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173 | 174 | translations[locale] ||= {} |
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174 | 175 | end |
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175 | 176 | |
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176 | 177 | def translations |
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177 | 178 | @translations ||= {} |
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178 | 179 | end |
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179 | 180 | |
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180 | 181 | # Looks up a translation from the translations hash. Returns nil if |
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181 | 182 | # eiher key is nil, or locale, scope or key do not exist as a key in the |
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182 | 183 | # nested translations hash. Splits keys or scopes containing dots |
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183 | 184 | # into multiple keys, i.e. <tt>currency.format</tt> is regarded the same as |
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184 | 185 | # <tt>%w(currency format)</tt>. |
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185 | 186 | def lookup(locale, key, scope = [], options = {}) |
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186 | 187 | init_translations(locale) unless translations.key?(locale) |
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187 | 188 | keys = ::I18n.normalize_keys(locale, key, scope, options[:separator]) |
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188 | 189 | |
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189 | 190 | keys.inject(translations) do |result, _key| |
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190 | 191 | _key = _key.to_sym |
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191 | 192 | return nil unless result.is_a?(Hash) && result.has_key?(_key) |
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192 | 193 | result = result[_key] |
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193 | 194 | result = resolve(locale, _key, result, options.merge(:scope => nil)) if result.is_a?(Symbol) |
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194 | 195 | result |
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195 | 196 | end |
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196 | 197 | end |
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197 | 198 | end |
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198 | 199 | |
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199 | 200 | include Implementation |
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200 | 201 | # Adds fallback to default locale for untranslated strings |
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201 | 202 | include ::I18n::Backend::Fallbacks |
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202 | 203 | end |
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203 | 204 | end |
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204 | 205 | end |
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