Class: Irc::Bot::Language

Inherits:
Object show all
Defined in:
lib/rbot/language.rb

Constant Summary collapse

Lang2Locale =

This constant hash holds the mapping from long language names to the usual POSIX locale specifications

{
  :english  => 'en',
  :british_english  => 'en_GB',
  :american_english  => 'en_US',
  :italian  => 'it',
  :french   => 'fr',
  :german   => 'de',
  :dutch    => 'nl',
  :japanese => 'ja',
  :russian  => 'ru',
  :traditional_chinese => 'zh_TW',
  :simplified_chinese => 'zh_CN'
}

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(bot, language) ⇒ Language

Returns a new instance of Language.



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# File 'lib/rbot/language.rb', line 70

def initialize(bot, language)
  @bot = bot
  set_language language
end

Instance Attribute Details

#language ⇒ Object (readonly)

Returns the value of attribute language.



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# File 'lib/rbot/language.rb', line 74

def language
  @language
end

Class Method Details

.from_locale ⇒ Object

Return the shortest language for the current GetText locale



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# File 'lib/rbot/language.rb', line 35

def Language.from_locale
  return 'english' unless defined?(GetText)
  lang = locale.language
  if locale.country
    str = lang + "_#{locale.country}"
    if Lang2Locale.value?(str)
      # Get the shortest key in Lang2Locale which maps to the given lang_country
      lang_str = Lang2Locale.select { |k, v| v == str }.transpose.first.map { |v| v.to_s }.sort { |a, b| a.length <=> b.length }.first
      if File.exist?(File.join(Config::datadir, "languages/#{lang_str}.lang"))
        return lang_str
      end
    end
  end
  # lang_country didn't work, let's try lan
  if Lang2Locale.value?(lang)
    # Get the shortest key in Lang2Locale which maps to the given lang
    lang_str = Lang2Locale.select { |k, v| v == lang }.transpose.first.map { |v| v.to_s }.sort { |a, b| a.length <=> b.length }.first
    if File.exist?(File.join(Config::datadir, "/languages/#{lang_str}.lang"))
      return lang_str
    end
  end
  # all else fail, return 'english'
  return 'english'
end

Instance Method Details

#get(key) ⇒ Object 



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# File 'lib/rbot/language.rb', line 126

def get(key)
  if(@strings.has_key?(key))
    return @strings[key][rand(@strings[key].length)]
  else
    raise "undefined language key"
  end
end

#rescan ⇒ Object 



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# File 'lib/rbot/language.rb', line 122

def rescan
  scan
end

#save ⇒ Object 



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# File 'lib/rbot/language.rb', line 134

def save
  File.open(@file, "w") {|file|
    @strings.each {|key,val|
      file.puts "#{key}:"
      val.each_value {|v|
        file.puts "   #{v}"
      }
    }
  }
end

#scan ⇒ Object 



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# File 'lib/rbot/language.rb', line 107

def scan
  @strings = Hash.new
  current_key = nil
  IO.foreach(@file) {|l|
    next if l =~ /^$/
    next if l =~ /^\s*#/
    if(l =~ /^(\S+):$/)
      @strings[$1] = Array.new
      current_key = $1
    elsif(l =~ /^\s*(.*)$/)
      @strings[current_key] << $1
    end
  }
end

#set_language(language) ⇒ Object 



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# File 'lib/rbot/language.rb', line 76

def set_language(language)
  lang_str = language.to_s.downcase.gsub(/\s+/,'_')
  lang_sym = lang_str.intern
  if defined?(GetText) and Lang2Locale.key?(lang_sym)
    setlocale(Lang2Locale[lang_sym])
    debug "locale set to #{locale}"
    rbot_gettext_debug
  else
    warning "Unable to set locale, unknown language #{language} (#{lang_str})"
  end

  file = Config::datadir + "/languages/#{lang_str}.lang"
  unless(FileTest.exist?(file))
    raise "no such language: #{lang_str} (no such file #{file})"
  end
  @language = lang_str
  @file = file
  scan
  return if @bot.plugins.nil?
  @bot.plugins.core_modules.each { |p|
    if p.respond_to?('set_language')
      p.set_language(@language)
    end
  }
  @bot.plugins.plugins.each { |p|
    if p.respond_to?('set_language')
      p.set_language(@language)
    end
  }
end