diff options
author | Yaroslav Markin <yaroslav@markin.net> | 2008-12-25 23:59:57 +0300 |
---|---|---|
committer | David Heinemeier Hansson <david@loudthinking.com> | 2008-12-28 21:19:27 +0100 |
commit | 1648df79b78d07c7713a75313b53db61a14a77bc (patch) | |
tree | fba09ea001071a70edd993436ceec4e554a8316e /activesupport/lib/active_support/vendor/i18n-0.0.1/i18n/backend/simple.rb | |
parent | 0efec64520d5153e5a961f9a759883656b83bb53 (diff) | |
download | rails-1648df79b78d07c7713a75313b53db61a14a77bc.tar.gz rails-1648df79b78d07c7713a75313b53db61a14a77bc.tar.bz2 rails-1648df79b78d07c7713a75313b53db61a14a77bc.zip |
Update i18n gem to version 0.1.1 (Rails' changes were backported) [#1635 state:committed]
Signed-off-by: David Heinemeier Hansson <david@loudthinking.com>
Diffstat (limited to 'activesupport/lib/active_support/vendor/i18n-0.0.1/i18n/backend/simple.rb')
-rw-r--r-- | activesupport/lib/active_support/vendor/i18n-0.0.1/i18n/backend/simple.rb | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/activesupport/lib/active_support/vendor/i18n-0.0.1/i18n/backend/simple.rb b/activesupport/lib/active_support/vendor/i18n-0.0.1/i18n/backend/simple.rb deleted file mode 100644 index bdda55d3fe..0000000000 --- a/activesupport/lib/active_support/vendor/i18n-0.0.1/i18n/backend/simple.rb +++ /dev/null @@ -1,216 +0,0 @@ -require 'yaml' - -module I18n - module Backend - class Simple - INTERPOLATION_RESERVED_KEYS = %w(scope default) - MATCH = /(\\\\)?\{\{([^\}]+)\}\}/ - - # Accepts a list of paths to translation files. Loads translations from - # plain Ruby (*.rb) or YAML files (*.yml). See #load_rb and #load_yml - # for details. - def load_translations(*filenames) - filenames.each { |filename| load_file(filename) } - 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) - if entry.nil? - entry = default(locale, default, options) - if entry.nil? - raise(I18n::MissingTranslationData.new(locale, key, options)) - end - end - entry = pluralize(locale, entry, count) - entry = interpolate(locale, 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' - # TODO only translate these if format is a String? - 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 - - # TODO only translate these if the format string is actually present - # TODO check which format strings are present, then bulk translate then, then replace them - 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 - - def initialized? - @initialized ||= false - end - - def reload! - @initialized = false - @translations = nil - end - - protected - def init_translations - load_translations(*I18n.load_path) - @initialized = true - end - - def translations - @translations ||= {} - end - - # 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 - init_translations unless initialized? - keys = I18n.send(:normalize_translation_keys, locale, key, scope) - keys.inject(translations) do |result, k| - if (x = result[k.to_sym]).nil? - return nil - else - x - end - end - 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 and nil - 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(locale, entry, count) - return entry unless entry.is_a?(Hash) and count - # raise InvalidPluralizationData.new(entry, count) unless entry.is_a?(Hash) - key = :zero if count == 0 && entry.has_key?(:zero) - key ||= count == 1 ? :one : :other - raise InvalidPluralizationData.new(entry, count) unless entry.has_key?(key) - entry[key] - 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(locale, string, values = {}) - return string unless string.is_a?(String) - - if string.respond_to?(:force_encoding) - original_encoding = string.encoding - string.force_encoding(Encoding::BINARY) - end - - result = string.gsub(MATCH) do - escaped, pattern, key = $1, $2, $2.to_sym - - if escaped - pattern - elsif INTERPOLATION_RESERVED_KEYS.include?(pattern) - raise ReservedInterpolationKey.new(pattern, string) - elsif !values.include?(key) - raise MissingInterpolationArgument.new(pattern, string) - else - values[key].to_s - end - end - - result.force_encoding(original_encoding) if original_encoding - result - end - - # Loads a single translations file by delegating to #load_rb or - # #load_yml depending on the file extension and directly merges the - # data to the existing translations. Raises I18n::UnknownFileType - # for all other file extensions. - def load_file(filename) - type = File.extname(filename).tr('.', '').downcase - raise UnknownFileType.new(type, filename) unless respond_to?(:"load_#{type}") - data = send :"load_#{type}", filename # TODO raise a meaningful exception if this does not yield a Hash - data.each { |locale, d| merge_translations(locale, d) } - end - - # Loads a plain Ruby translations file. eval'ing the file must yield - # a Hash containing translation data with locales as toplevel keys. - def load_rb(filename) - eval(IO.read(filename), binding, filename) - end - - # Loads a YAML translations file. The data must have locales as - # toplevel keys. - def load_yml(filename) - YAML::load(IO.read(filename)) - 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
\ No newline at end of file |