localize date strings

1 files changed, 300 insertions, 0 deletions

diff --git a/date_locale.rb b/date_locale.rb
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+++ b/date_locale.rb
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+#

+#Make a 'localization' for Date, DateTime and Time.

+#

+#This is not using locale, but if you use locale, it is detected and locale sensitive.

+#

+#The output is in iso-8859-1, other encodings can be set with Date_locale.set_target_encoding.

+#

+

+

+require 'iconv'

+require 'date'

+

+#

+#Adaption for a localized Date-class

+#

+#Solution based on discussion at ruby-forum.de 

+#-http://forum.ruby-portal.de/viewtopic.php?f=1&t=10527&start=0

+#

+module Date_locale

+

+  #Constant/Hash with the supported languages.

+  #

+  #Initial definitions are taken from localization_simplified.

+  #

+  #Changes:

+  #* added de_at

+  #* adapted :pt to pt_br (original :pt was French).

+  DATE_TEXTS = {

+   :ca => {

+      :monthnames => [nil] + %w{gener febrer març abril maig juny juliol agost setembre octubre novembre desembre},

+      :abbr_monthnames => [nil] + %w{gen feb mar abr mai jun jul ago set oct nov des},

+      :daynames => %w{diumenge dilluns dimarts dimecres dijous divendres dissabte},

+      :abbr_daynames => %w{dmg dll dmt dmc djs dvn dsb},

+     },

+   :cf => {

+      :monthnames => [nil] + %w{Janvier Février Mars Avril Mai Juin Juillet Août Septembre Octobre Novembre Décembre},

+      :abbr_monthnames => [nil] + %w{Jan Fev Mar Avr Mai Jun Jui Aou Sep Oct Nov Dec},

+      :daynames => %w{Dimanche Lundi Mardi Mercredi Jeudi Vendredi Samedi},

+      :abbr_daynames => %w{Dim Lun Mar Mer Jeu Ven Sam},

+     },

+   :cs => {

+      :monthnames => [nil] + %w{Leden Únor Březen Duben Květen Červen Červenec Srpen Září Říjen Listopad Prosinec},

+      :abbr_monthnames => [nil] + %w{Led Úno Bře Dub Kvě Čvn Čvc Srp Zář Říj Lis Pro},

+      :daynames => %w{Neděle Pondělí Úterý Středa Čtvrtek Pátek Sobota},

+      :abbr_daynames => %w{Ne Po Út St Čt Pá So},

+     },

+   :da => {

+      :monthnames => [nil] + %w{januar februar marts april maj juni juli august september oktober november december},

+      :abbr_monthnames => [nil] + %w{jan feb mar apr maj jun jul aug sep okt nov dec},

+      :daynames => %w{søndag mandag tirsdag onsdag torsdag fredag lørdag},

+      :abbr_daynames => %w{søn man tir ons tors fre lør},

+     },

+   :de => {

+      :monthnames => [nil] + %w{Januar Februar März April Mai Juni Juli August September Oktober November Dezember},

+      :abbr_monthnames => [nil] + %w{Jan Feb Mrz Apr Mai Jun Jul Aug Sep Okt Nov Dez},

+      :daynames => %w{Sonntag Montag Dienstag Mittwoch Donnerstag Freitag Samstag},

+      :abbr_daynames => %w{So Mo Di Mi Do Fr Sa},

+     },

+    :de_at => {

+        :monthnames => [nil] + %w(Jänner Feber März April Mai Juni Juli August September Oktober November Dezember),

+        :abbr_monthnames => [nil] + %w(Jan Feb Mrz Apr Mai Jun Jul Aug Sep Okt Nov Dez),

+        :daynames => %w(Sonntag Montag Dienstag Mittwoch Donnerstag Freitag Samstag),

+        :abbr_daynames => %w(So Mo Di Mi Do Fr Sa),

+      },     

+   :en => {

+      :monthnames => [nil] + %w{January February March April May June July August September October November December},

+      :abbr_monthnames => [nil] + %w{Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec},

+      :daynames => %w{Sunday Monday Tuesday Wednesday Thursday Friday Saturday},

+      :abbr_daynames => %w{Sun Mon Tue Wed Thu Fri Sat},

+     },

+   :es => {

+      :monthnames => [nil] + %w{enero febrero marzo abril mayo junio julio agosto septiembre octubre noviembre diciembre},

+      :abbr_monthnames => [nil] + %w{ene feb mar abr may jun jul ago sep oct nov dic},

+      :daynames => %w{domingo lunes martes miércoles jueves viernes sábado},

+      :abbr_daynames => %w{dom lun mar mié jue vie sáb},

+     },

+   :es_ar => {

+      :monthnames => [nil] + %w{enero febrero marzo abril mayo junio julio agosto septiembre octubre noviembre diciembre},

+      :abbr_monthnames => [nil] + %w{ene feb mar abr may jun jul ago sep oct nov dic},

+      :daynames => %w{domingo lunes martes miércoles jueves viernes sábado},

+      :abbr_daynames => %w{dom lun mar mié jue vie sáb},

+     },

+   :fi => {

+      :monthnames => [nil] + %w{tammikuu helmikuu maaliskuu huhtikuu toukokuu kesäkuu heinäkuu elokuu syyskuu lokakuu marraskuu joulukuu},

+      :abbr_monthnames => [nil] + %w{tammi helmi maalis huhti touko kesä heinä elo syys loka marras joulu},

+      :daynames => %w{sunnuntai maanantai tiistai keskiviikko torstai perjantai lauantai},

+      :abbr_daynames => %w{su ma ti ke to pe la},

+     },

+   :fr => {

+      :monthnames => [nil] + %w{Janvier Février Mars Avril Mai Juin Juillet Août Septembre Octobre Novembre Decembre},

+      :abbr_monthnames => [nil] + %w{Jan Fév Mar Avr Mai Jui Jul Aoû Sep Oct Nov Déc},

+      :daynames => %w{Dimanche Lundi Mardi Mercredi Jeudi Vendredi Samedi},

+      :abbr_daynames => %w{Dim Lun Mar Mer Jeu Ven Sam},

+     },

+   :it => {

+      :monthnames => [nil] + %w{Gennaio Febbraio Marzo Aprile Maggio Giugno Luglio Agosto Settembre Ottobre Novembre Dicembre },

+      :daynames => %w{ Domenica Lunedì Martedì Mercoledì Giovedì Venerdì Sabato },

+      :abbr_monthnames => [nil] + %w{ Gen Feb Mar Apr Mag Giu Lug Ago Set Ott Nov Dic },

+      :abbr_daynames => %w{ Dom Lun Mar Mer Gio Ven Sab },

+     },

+   :ko => {

+      :monthnames => [nil] + %w{1월 2월 3월 4월 5월 6월 7월 8월 9월 10월 11월 12월},

+      :abbr_monthnames => [nil] + %w{1 2 3 4 5 6 7 8 9 10 11 12},

+      :daynames => %w{일요일 월요일 화요일 수요일 목요일 금요일 토요일},

+      :abbr_daynames => %w{일 월 화 수 목 금 토},

+     },

+   :nl => {

+      :monthnames => [nil] + %w{Januari Februari Maart April Mei Juni Juli Augustus September Oktober November December},

+      :abbr_monthnames => [nil] + %w{Jan Feb Maa Apr Mei Jun Jul Aug Sep Okt Nov Dec},

+      :daynames => %w{Zondag Maandag Dinsdag Woensdag Donderdag Vrijdag Zaterdag},

+      :abbr_daynames => %w{Zo Ma Di Wo Do Vr Za},

+     },

+   :no => {

+      :monthnames => [nil] + %w{januar februar mars april mai juni juli august september oktober november desember},

+      :abbr_monthnames => [nil] + %w{jan feb mar apr mai jun jul aug sep okt nov des},

+      :daynames => %w{søndag mandag tirsdag onsdag torsdag fredag lørdag},

+      :abbr_daynames => %w{søn man tir ons tors fre lør},

+     },

+   :pt => {

+      :monthnames => [nil] + %w{Janeiro Fevereiro Março Abril Maio Junho Julho Agosto Setembro Outubro Novembro Dezembro},

+      :abbr_monthnames => [nil] + %w{Jan Fev Mar Abr Mai Jun Jul Ago Set Out Nov Dez},

+      :daynames => %w{domingo segunda terça quarta quinta sexta sábado},

+      :abbr_daynames => %w{Dom Seg Ter Qua Qui Sex Sab},

+     },

+   :pt_br => {

+      :monthnames => [nil] + %w{janeiro fevereiro março abril maio junho julho agosto setembro outubro novembro dezembro},

+      :abbr_monthnames => [nil] + %w{jan fev mar abr mai jun jul ago set out nov dez},

+      :daynames => %w{domingo segunda terça quarta quinta sexta sábado},

+      :abbr_daynames => %w{dom seg ter qua qui sex sáb},

+     },

+   :ru => {

+      :monthnames => [nil] + %w{Январь Февраль Март Апрель Май Июнь Июль Август Сентябрь Октябрь Ноябрь Декабрь},

+      :abbr_monthnames => [nil] + %w{Янв Фев Мар Апр Май Июн Июл Авг Сен Окт Ноя Дек},

+      :daynames => %w{Воскресенье Понедельник Вторник Среда Четверг Пятница Суббота},

+      :abbr_daynames => %w{Вск Пнд Втр Сре Чет Пят Суб},

+     },

+   :sv => {

+      :monthnames => [nil] + %w{januari februari mars april maj juni juli augusti september oktober november december},

+      :abbr_monthnames => [nil] + %w{jan feb mar apr maj jun jul aug sep okt nov dec},

+      :daynames => %w{söndag måndag tisdag onsdag torsdag fredag lördag},

+      :abbr_daynames => %w{sön mån tis ons tors fre lör},

+     },

+   :sr => {

+      :monthnames => [nil] + %w{Januar Februar Mart April Maj Jun Jul Avgust Septembar Oktobar Novembar Decembar},

+      :abbr_monthnames => [nil] + %w{Jan Feb Mar Apr Maj Jun Jul Aug Sep Okt Nov Dec},

+      :daynames => %w{Nedelja Ponedeljak Utorak Sreda Četvrtak Petak Subota},

+      :abbr_daynames => %w{Ned Pon Uto Sre Čet Pet Sub},

+     },

+  }

+  #~ puts DATE_TEXTS.to_yaml

+    

+  #Not really necessary.

+  #But I want to avoid later changes.

+  DATE_TEXTS.freeze

+    

+  #

+  #Test if the seleted language is available in Date_locale.

+  def self.locale?( lang )

+    return DATE_TEXTS[lang]

+  end

+  

+  #Set default converter

+  #~ @@encoding_converter = Iconv.new( 'iso-8859-1', 'utf-8' )

+  

+  #

+  #The daynames are encoded in UTF (I hope ;-) ).

+  #With this method you can define a global converter.

+  #

+  #Example:

+  #     Date_locale.set_target_encoding( 'iso-8859-1')

+  #

+  def self.set_target_encoding( enc )

+    @@encoding_converter = Iconv.new( enc, 'utf-8' )

+  end

+

+

+  #

+  #Get the key for the wanted language.

+  #

+  #Allows the usage (or not to use) locale.

+  def self.get_language_key( lang = nil )

+    

+    #

+    #What's the better solution? Check for locale, or check for the method :language?

+    #

+    if defined?( Locale ) and lang.is_a?(Locale::Object)

+    #~ if lang.respond_to?(:language)

+      Date_locale.set_target_encoding( lang.charset )

+      return lang.language.to_sym

+    end

+    

+    case lang

+      when nil  #Undefined default, take actual locale or en

+        return defined?( Locale ) ? Locale.current.language.to_sym : :en

+      #This code require locale (or you get an error "uninitialized constant Date_locale::Locale")

+      #when Locale::Object

+      #  return lang.language.to_sym

+      else

+        return lang.to_sym

+      end

+  end

+

+  #

+  #strftime with the day- and month names in the selected language.

+  #

+  #Lang can be a language symbol or a locale.

+  def strftime_locale(format = '%F', lang = nil )

+    

+    lang = Date_locale.get_language_key(lang)

+    

+    #Get the texts

+    if DATE_TEXTS[lang]

+      daynames = DATE_TEXTS[lang][:daynames]

+      abbr_daynames = DATE_TEXTS[lang][:abbr_daynames]

+      monthnames  = DATE_TEXTS[lang][:monthnames]

+      abbr_monthnames = DATE_TEXTS[lang][:abbr_monthnames]

+    else

+      raise "Missing Support for locale #{lang.inspect}"

+    end

+    

+    #Make the original replacements, after....

+    result = self.strftime_orig( 

+      #...you replaced the language dependent parts.

+      format.gsub(/%([aAbB])/){|m|

+            case $1

+              when 'a'; abbr_daynames[self.wday]

+              when 'A'; daynames[self.wday]

+              when 'b'; abbr_monthnames[self.mon]

+              when 'B'; monthnames[self.mon]

+              else

+                raise "Date#strftime: InputError"

+            end

+          }

+        )

+    if defined? @@encoding_converter

+      @@encoding_converter.iconv(result)

+    else

+      result

+    end

+  end #strftime_locale(format = '%F', lang = :en )

+

+end #module Date_locale

+

+class Date

+

+  include Date_locale

+  alias :strftime_orig :strftime

+

+  #Redefine strftime with flexible daynames.

+  #

+  def strftime(format = '%F', lang = nil )

+    return strftime_locale(format, lang )

+   end #strftime

+end #class Date

+

+

+#

+#Redefine strftime for DateTime

+#

+class DateTime

+  #No alias! It is done already in class Date.

+  #alias :strftime_orig_date :strftime

+  

+  #Redefine strftime.

+  #strftime_orig is already defined in Date.

+  def strftime( format='%F', lang = nil )

+    return strftime_locale(format, lang )

+  end #strftime

+end

+

+

+class Time

+  include Date_locale  

+  alias :strftime_orig :strftime

+  #Redefine strftime for locale versions.

+  def strftime(format='%F', lang = nil )

+    return strftime_locale(format, lang )

+  end #strftime

+  

+end

+

+#

+#Make some quick tests

+#

+if __FILE__ == $0

+  #~ require 'date_locale'

+  

+  d = Date.new(2009,10,21)

+  puts d.strftime("de: %A {%a} {%A} {%W}  %w ", :de ) #=> de: Mittwoch {Mi} {Mittwoch} {42}  3 (loc: en)

+  puts d.strftime("en: %A {%a} {%A} {%W}  %w ", :en ) #=> en: Wednesday {Wed} {Wednesday} {42}  3 (loc: en)

+  

+  puts "=======Load locale"

+  require 'locale'

+  Locale.current = 'de'

+  puts d.strftime("#{Locale.current}: %A {%a} {%A} {%W}  %w") #=> de: Mittwoch {Mi} {Mittwoch} {42}  3

+  Locale.current = 'en'

+  puts d.strftime("#{Locale.current}: %A {%a} {%A} {%W}  %w") #=> en: Wednesday {Wed} {Wednesday} {42}  3

+  puts d.strftime("de: %A {%a} {%A} {%W}  %w (loc: #{Locale.current})", :de ) #=> de: Mittwoch {Mi} {Mittwoch} {42}  3 (loc: en)

+  puts d.strftime("en: %A {%a} {%A} {%W}  %w (loc: #{Locale.current})", :en ) #=> en: Wednesday {Wed} {Wednesday} {42}  3 (loc: en)

+end #if __FILE__ == $0