diff options
Diffstat (limited to 'activesupport/lib/active_support/vendor/i18n-0.0.1/lib/i18n/backend/simple.rb')
| -rw-r--r-- | activesupport/lib/active_support/vendor/i18n-0.0.1/lib/i18n/backend/simple.rb | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/activesupport/lib/active_support/vendor/i18n-0.0.1/lib/i18n/backend/simple.rb b/activesupport/lib/active_support/vendor/i18n-0.0.1/lib/i18n/backend/simple.rb deleted file mode 100644 index b8be1cecfb..0000000000 --- a/activesupport/lib/active_support/vendor/i18n-0.0.1/lib/i18n/backend/simple.rb +++ /dev/null @@ -1,154 +0,0 @@ -require 'strscan' - -module I18n - module Backend - module Simple - @@translations = {} - - class << self - # Allow client libraries to pass a block that populates the translation - # storage. Decoupled for backends like a db backend that persist their - # translations, so the backend can decide whether/when to yield or not. - def populate(&block) - yield - end - - # Stores translations for the given locale in memory. - # This uses a deep merge for the translations hash, so existing - # translations will be overwritten by new ones only at the deepest - # level of the hash. - def store_translations(locale, data) - merge_translations(locale, data) - end - - def translate(locale, key, options = {}) - raise InvalidLocale.new(locale) if locale.nil? - return key.map{|k| translate locale, k, options } if key.is_a? Array - - reserved = :scope, :default - count, scope, default = options.values_at(:count, *reserved) - options.delete(:default) - values = options.reject{|name, value| reserved.include? name } - - entry = lookup(locale, key, scope) || default(locale, default, options) || raise(I18n::MissingTranslationData.new(locale, key, options)) - entry = pluralize entry, count - entry = interpolate entry, values - entry - end - - # Acts the same as +strftime+, but returns a localized version of the - # formatted date string. Takes a key from the date/time formats - # translations as a format argument (<em>e.g.</em>, <tt>:short</tt> in <tt>:'date.formats'</tt>). - def localize(locale, object, format = :default) - raise ArgumentError, "Object must be a Date, DateTime or Time object. #{object.inspect} given." unless object.respond_to?(:strftime) - - type = object.respond_to?(:sec) ? 'time' : 'date' - formats = translate(locale, :"#{type}.formats") - format = formats[format.to_sym] if formats && formats[format.to_sym] - # TODO raise exception unless format found? - format = format.to_s.dup - - format.gsub!(/%a/, translate(locale, :"date.abbr_day_names")[object.wday]) - format.gsub!(/%A/, translate(locale, :"date.day_names")[object.wday]) - format.gsub!(/%b/, translate(locale, :"date.abbr_month_names")[object.mon]) - format.gsub!(/%B/, translate(locale, :"date.month_names")[object.mon]) - format.gsub!(/%p/, translate(locale, :"time.#{object.hour < 12 ? :am : :pm}")) if object.respond_to? :hour - object.strftime(format) - end - - protected - - # Looks up a translation from the translations hash. Returns nil if - # eiher key is nil, or locale, scope or key do not exist as a key in the - # nested translations hash. Splits keys or scopes containing dots - # into multiple keys, i.e. <tt>currency.format</tt> is regarded the same as - # <tt>%w(currency format)</tt>. - def lookup(locale, key, scope = []) - return unless key - keys = I18n.send :normalize_translation_keys, locale, key, scope - keys.inject(@@translations){|result, k| result[k.to_sym] or return nil } - end - - # Evaluates a default translation. - # If the given default is a String it is used literally. If it is a Symbol - # it will be translated with the given options. If it is an Array the first - # translation yielded will be returned. - # - # <em>I.e.</em>, <tt>default(locale, [:foo, 'default'])</tt> will return +default+ if - # <tt>translate(locale, :foo)</tt> does not yield a result. - def default(locale, default, options = {}) - case default - when String then default - when Symbol then translate locale, default, options - when Array then default.each do |obj| - result = default(locale, obj, options.dup) and return result - end - end - rescue MissingTranslationData - nil - end - - # Picks a translation from an array according to English pluralization - # rules. It will pick the first translation if count is not equal to 1 - # and the second translation if it is equal to 1. Other backends can - # implement more flexible or complex pluralization rules. - def pluralize(entry, count) - return entry unless entry.is_a?(Array) and count - raise InvalidPluralizationData.new(entry, count) unless entry.size == 2 - entry[count == 1 ? 0 : 1] - end - - # Interpolates values into a given string. - # - # interpolate "file {{file}} opened by \\{{user}}", :file => 'test.txt', :user => 'Mr. X' - # # => "file test.txt opened by {{user}}" - # - # Note that you have to double escape the <tt>\\</tt> when you want to escape - # the <tt>{{...}}</tt> key in a string (once for the string and once for the - # interpolation). - def interpolate(string, values = {}) - return string if !string.is_a?(String) - - map = {'%d' => '{{count}}', '%s' => '{{value}}'} # TODO deprecate this? - string.gsub!(/#{map.keys.join('|')}/){|key| map[key]} - - s = StringScanner.new string.dup - while s.skip_until(/\{\{/) - s.string[s.pos - 3, 1] = '' and next if s.pre_match[-1, 1] == '\\' - start_pos = s.pos - 2 - key = s.scan_until(/\}\}/)[0..-3] - end_pos = s.pos - 1 - - raise ReservedInterpolationKey.new(key, string) if %w(scope default).include?(key) - raise MissingInterpolationArgument.new(key, string) unless values.has_key? key.to_sym - - s.string[start_pos..end_pos] = values[key.to_sym].to_s - s.unscan - end - s.string - end - - # Deep merges the given translations hash with the existing translations - # for the given locale - def merge_translations(locale, data) - locale = locale.to_sym - @@translations[locale] ||= {} - data = deep_symbolize_keys data - - # deep_merge by Stefan Rusterholz, see http://www.ruby-forum.com/topic/142809 - merger = proc{|key, v1, v2| Hash === v1 && Hash === v2 ? v1.merge(v2, &merger) : v2 } - @@translations[locale].merge! data, &merger - end - - # Return a new hash with all keys and nested keys converted to symbols. - def deep_symbolize_keys(hash) - hash.inject({}){|result, (key, value)| - value = deep_symbolize_keys(value) if value.is_a? Hash - result[(key.to_sym rescue key) || key] = value - result - } - end - end - end - end -end |