Class: Merb::Global::MessageProviders::Gettext

Inherits:
Object
  • Object
show all
Includes:
Base, Base::Exporter, Base::Importer
Defined in:
lib/merb_global/message_providers/gettext.rb

Overview

:nodoc: all

Defined Under Namespace

Classes: GettextContext

Instance Method Summary collapse

Methods included from Base

transfer

Instance Method Details

#create! ⇒ Object 



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# File 'lib/merb_global/message_providers/gettext.rb', line 29

def create!
  File.mkdirs Merb::Global::MessageProviders.localedir
end

#export(data) ⇒ Object 



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# File 'lib/merb_global/message_providers/gettext.rb', line 74

def export(data)
  data.each do |lang_name, lang|
    lang_file = File.join(Merb::Global::MessageProviders.localedir,
                          lang_name + '.po')
    open(lang_file, 'w') do |po|
      po.puts <<EOF
msgid ""
msgstr ""
"Project-Id-Version: 0.0.1\\n"
"POT-Creation-Date: #{Time.now.strftime('%Y-%m-%d %H:%M%z')}\\n"
"PO-Revision-Date: #{Time.now.strftime('%Y-%m-%d %H:%M%z')}\\n"
"Last-Translator:  <[email protected]>\\n"
"Language-Team: Language type\\n"
"MIME-Version: 1.0\\n"
"Content-Type: text/plain; charset=UTF-8\\n"
"Content-Transfer-Encoding: 8bit\\n"
"Plural-Forms: nplurals=#{lang[:nplurals]}; plural=#{lang[:plural]}\\n"
EOF
      
      lang.each do |msgid, msgstr_hash|
        po.puts ""
        po.puts "msgid \"#{msgid}\""
        if msgstr_hash[:plural]
          po.puts "msgid_plural \"#{msgstr_hash[:plural]}\""
          msgstr_hash.each do |msgstr_index, msgstr|
            po.puts "msgstr[#{msgstr_index}] \"#{msgstr}\""
          end
        else
          po.puts "msgstr \"#{msgstr_hash[nil]}\""
        end
      end
    end
    lang_dir = File.join(Merb::Global::MessageProviders.localedir,
                         lang, 'LC_MESSAGES')
    FileUtils.mkdir_p lang_dir
    domain = Merb::Global.config([:gettext, :domain], 'merbapp')
    `msgfmt #{lang_file} -o #{lang_dir}/#{domain}.mo`
  end
end

#import ⇒ Object 



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# File 'lib/merb_global/message_providers/gettext.rb', line 33

def import
  Treetop.load(Pathname(__FILE__).dirname.expand_path.to_s +
               '/gettext')
  parser = Merb::Global::MessageProviders::GetTextParser.new
  data = {}
  Dir[Merb::Global::MessageProviders.localedir +
      '/*.po'].each do |file|
    lang_name = File.basename file, '.po'
    lang_tree = nil
    open file do |f|
      lang_tree = parser.parse f.read
    end
    # Put the parsed file in data
    data[lang_name] = lang_tree.to_hash
    # Remove the metadata to futher managing
    opts = data[lang_name].delete('')[nil].split("\n")
    # Find the line about plural line
    plural_line = nil
    for l in opts
      if l[0..."Plural-Forms:".length] == "Plural-Forms:"
        plural_line = l
        break
      end
    end
    # Remove the "Plural-Forms:" from the beginning...
    plural_line =
      plural_line["Plural-Forms:".length...plural_line.length]
    # and ; from end
    plural_line = plural_line[0...plural_line.length-1]
    # Split the line and build the hash
    plural_line = plural_line.gsub(/[[:space:]]/, '').split(/[=;]/, 4)
    # And change the plural and nplurals into :plural and :nplurals
    plural_line[2] = :plural
    plural_line[0] = :nplural
    # Adn the nplural value into integer
    plural_line[1] = plural_line[1].to_i
    data[lang_name].merge! Hash[*plural_line]
  end
  data
end

#localize(singular, plural, n, locale) ⇒ Object 



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# File 'lib/merb_global/message_providers/gettext.rb', line 19

def localize(singular, plural, n, locale)
  context = locale._mg_gettext
  context.set_locale locale.to_s, true
  unless plural.nil?
    context.ngettext singular, plural, n
  else
    context.gettext singular
  end
end