class Middleman::CoreExtensions::Internationalization
Public Class Methods
new(app, options_hash={}, &block)
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Calls superclass method
Middleman::Extension::new
# File lib/middleman-more/core_extensions/i18n.rb, line 10 def initialize(app, options_hash={}, &block) super # TODO # If :directory_indexes is already active, # throw a warning explaining the bug and telling the use # to reverse the order. # See https://github.com/svenfuchs/i18n/wiki/Fallbacks unless options[:no_fallbacks] require 'i18n/backend/fallbacks' ::I18n::Backend::Simple.send(:include, ::I18n::Backend::Fallbacks) end app.config.define_setting :locales_dir, 'locales', 'The directory holding your locale configurations' app.send :include, LocaleHelpers end
Public Instance Methods
after_configuration()
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# File lib/middleman-more/core_extensions/i18n.rb, line 29 def after_configuration app.files.reload_path(app.config[:locals_dir] || options[:data]) @locales_glob = File.join(app.config[:locals_dir] || options[:data], '**', '*.{rb,yml,yaml}') @locales_regex = convert_glob_to_regex(@locales_glob) @maps = {} @mount_at_root = options[:mount_at_root].nil? ? langs.first : options[:mount_at_root] configure_i18n unless app.build? logger.info "== Locales: #{langs.join(', ')} (Default #{@mount_at_root})" end # Don't output localizable files app.ignore File.join(options[:templates_dir], '**') app.sitemap.provides_metadata_for_path(&method(:metadata_for_path)) app.files.changed(&method(:on_file_changed)) app.files.deleted(&method(:on_file_changed)) end
langs()
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# File lib/middleman-more/core_extensions/i18n.rb, line 60 def langs @_langs ||= known_languages end
manipulate_resource_list(resources)
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Update the main sitemap resource list @return [void]
# File lib/middleman-more/core_extensions/i18n.rb, line 66 def manipulate_resource_list(resources) @_localization_data = {} new_resources = [] resources.each do |resource| # If it uses file extension localization if parse_locale_extension(resource.path) result = parse_locale_extension(resource.path) ext_lang, path, page_id = result new_resources << build_resource(path, resource.path, page_id, ext_lang) # If it's a "localizable template" elsif File.fnmatch?(File.join(options[:templates_dir], '**'), resource.path) page_id = File.basename(resource.path, File.extname(resource.path)) langs.each do |lang| # Remove folder name path = resource.path.sub(options[:templates_dir], '') new_resources << build_resource(path, resource.path, page_id, lang) end end end resources + new_resources end
t(*args)
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# File lib/middleman-more/core_extensions/i18n.rb, line 53 def t(*args) ::I18n.t(*args) end
Private Instance Methods
build_resource(path, source_path, page_id, lang)
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# File lib/middleman-more/core_extensions/i18n.rb, line 176 def build_resource(path, source_path, page_id, lang) old_locale = ::I18n.locale ::I18n.locale = lang localized_page_id = ::I18n.t("paths.#{page_id}", default: page_id, fallback: []) prefix = if (options[:mount_at_root] == lang) || (options[:mount_at_root].nil? && langs[0] == lang) '/' else replacement = options[:lang_map].fetch(lang, lang) options[:path].sub(':locale', replacement.to_s) end # path needs to be changed if file has a localizable extension. (options[mount_at_root] == lang) path = ::Middleman::Util.normalize_path( File.join(prefix, path.sub(page_id, localized_page_id)) ) path.gsub!(options[:templates_dir] + '/', '') @_localization_data[path] = [lang, path, localized_page_id] p = ::Middleman::Sitemap::Resource.new(app.sitemap, path) p.proxy_to(source_path) ::I18n.locale = old_locale p end
configure_i18n()
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# File lib/middleman-more/core_extensions/i18n.rb, line 106 def configure_i18n ::I18n.load_path += Dir[File.join(app.root, @locales_glob)] ::I18n.reload! ::I18n.default_locale = @mount_at_root # Reset fallbacks to fall back to our new default ::I18n.fallbacks = ::I18n::Locale::Fallbacks.new if ::I18n.respond_to?(:fallbacks) end
convert_glob_to_regex(glob)
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# File lib/middleman-more/core_extensions/i18n.rb, line 100 def convert_glob_to_regex(glob) # File.fnmatch doesn't support brackets: {rb,yml,yaml} regex = glob.sub(/\./, '\.').sub(File.join('**', '*'), '.*').sub(/\//, '\/').sub('{rb,yml,yaml}', '(rb|ya?ml)') %r{^#{regex}} end
known_languages()
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# File lib/middleman-more/core_extensions/i18n.rb, line 142 def known_languages if options[:langs] Array(options[:langs]).map(&:to_sym) else known_langs = app.files.known_paths.select do |p| p.to_s.match(@locales_regex) && (p.to_s.split(File::SEPARATOR).length == 2) end known_langs.map { |p| File.basename(p.to_s).sub(/\.ya?ml$/, '').sub(/\.rb$/, '') }.sort.map(&:to_sym) end end
localization_data(path)
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# File lib/middleman-more/core_extensions/i18n.rb, line 156 def localization_data(path) @_localization_data ||= {} @_localization_data[path] end
metadata_for_path(url)
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# File lib/middleman-more/core_extensions/i18n.rb, line 116 def metadata_for_path(url) if d = localization_data(url) lang, page_id = d else # Default to the @mount_at_root lang page_id = nil lang = @mount_at_root end instance_vars = proc do @lang = lang @page_id = page_id end locals = { lang: lang, page_id: page_id } { blocks: [instance_vars], locals: locals, options: { lang: lang } } end
on_file_changed(file)
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# File lib/middleman-more/core_extensions/i18n.rb, line 93 def on_file_changed(file) return unless @locales_regex =~ file @_langs = nil # Clear langs cache ::I18n.reload! end
parse_locale_extension(path)
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Parse locale extension filename @return [lang, path, basename] will return nil
if no locale extension
# File lib/middleman-more/core_extensions/i18n.rb, line 164 def parse_locale_extension(path) path_bits = path.split('.') return nil if path_bits.size < 3 lang = path_bits.delete_at(-2).to_sym return nil unless langs.include?(lang) path = path_bits.join('.') basename = File.basename(path_bits[0..-2].join('.')) [lang, path, basename] end