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#-- vim:sw=2:et
#++
#
# :title: Language module for rbot
#
# This module takes care of language handling for rbot:
# setting the core.language value, loading the appropriate
# .lang file etc.
module Irc
class Bot
class Language
# Access needed for tests:
attr_reader :strings
# This constant hash holds the mapping
# from long language names to the usual POSIX
# locale specifications
Lang2Locale = {
:english => 'en',
:british_english => 'en_GB',
:american_english => 'en_US',
:italian => 'it',
:french => 'fr',
:german => 'de',
:dutch => 'nl',
:japanese => 'ja',
:russian => 'ru',
:finnish => 'fi',
:traditional_chinese => 'zh_TW',
:simplified_chinese => 'zh_CN'
}
# On WIN32 it appears necessary to have ".UTF-8" explicitly for gettext to use UTF-8
Lang2Locale.each_value {|v| v.replace(v + '.UTF-8')}
# Return the shortest language for the current
# GetText locale
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
Config.register Config::EnumValue.new('core.language',
:default => Irc::Bot::Language.from_locale, :wizard => true,
:values => Proc.new{|bot|
Dir.new(Config::datadir + "/languages").collect {|f|
f =~ /\.lang$/ ? f.gsub(/\.lang$/, "") : nil
}.compact
},
:on_change => Proc.new {|bot, v| bot.lang.set_language v},
:desc => "Which language file the bot should use")
def initialize(bot, language)
@bot = bot
set_language language
end
attr_reader :language
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)
GetText.set_locale(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
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
def rescan
scan
end
def get(key)
if(@strings.has_key?(key))
return @strings[key][rand(@strings[key].length)]
else
raise "undefined language key"
end
end
def save
File.open(@file, "w") {|file|
@strings.each {|key,val|
file.puts "#{key}:"
val.each_value {|v|
file.puts " #{v}"
}
}
}
end
end
end
end
|
