1 files changed, 113 insertions, 0 deletions
diff --git a/lib/rbot/load-gettext.rb b/lib/rbot/load-gettext.rb
new file mode 100644
index 00000000..c8448bc6
--- /dev/null
+++ b/lib/rbot/load-gettext.rb
@@ -0,0 +1,113 @@
+# load gettext module and provide fallback in case of failure
+
+require 'stringio'
+
+# try to load gettext, or provide fake getttext functions
+begin
+  require 'gettext'
+  include GetText
+  bindtextdomain 'rbot'
+
+  module GetText
+    # patch for ruby-gettext 1.9.0 to cope with anonymous modules used by rbot
+    # FIXME remove the patch when ruby-gettext is fixed, or rbot switches to named modules
+  # fix for module names that are not constant names
+    def bound_targets(klass)  # :nodoc:
+      ret = []
+      ary = klass.name.split(/::/)
+      while(v = ary.shift)
+        begin
+          ret.unshift(((ret.size == 0) ?
+            Object.const_get(v) : ret[0].const_get(v)))
+        rescue NameError
+          # when an anonymous module is encountered, only the previous modules
+          # are returned
+          break
+        end
+      end
+      ((ret + klass.ancestors + [GetText]) & @@__textdomainmanagers.keys).uniq
+    end
+  end
+
+  debug 'using ruby-gettext'
+  gettext_info = StringIO.new
+  current_textdomain_info(:out=>gettext_info)
+  gettext_info.string.each_line {|l| debug l}
+
+rescue LoadError
+  warn 'ruby-gettext package not available; translations are disabled'
+
+  # dummy functions that return msg_id without translation
+  def _(s)
+    s
+  end
+
+  def N_(s)
+    s
+  end
+
+  def n_(s_single, s_plural, n)
+    n > 1 ? s_plural : s_single
+  end
+
+  def s_(*args)
+    args[0]
+  end
+
+  # the following extension to String#% is from ruby-gettext's string.rb file.
+  # it needs to be included in the fallback since the source already use this form
+
+=begin
+  string.rb - Extension for String.
+
+  Copyright (C) 2005,2006 Masao Mutoh
+
+  You may redistribute it and/or modify it under the same
+  license terms as Ruby.
+=end
+
+  # Extension for String class.
+  #
+  # String#% method which accept "named argument". The translator can know
+  # the meaning of the msgids using "named argument" instead of %s/%d style.
+  class String
+    alias :_old_format_m :% # :nodoc:
+
+    # call-seq:
+    #  %(arg)
+    #  %(hash)
+    #
+    # Format - Uses str as a format specification, and returns the result of applying it to arg.
+    # If the format specification contains more than one substitution, then arg must be
+    # an Array containing the values to be substituted. See Kernel::sprintf for details of the
+    # format string. This is the default behavior of the String class.
+    # * arg: an Array or other class except Hash.
+    # * Returns: formatted String
+    #
+    #  (e.g.) "%s, %s" % ["Masao", "Mutoh"]
+    #
+    # Also you can use a Hash as the "named argument". This is recommanded way for Ruby-GetText
+    # because the translators can understand the meanings of the msgids easily.
+    # * hash: {:key1 => value1, :key2 => value2, ... }
+    # * Returns: formatted String
+    #
+    #  (e.g.) "%{firstname}, %{familyname}" % {:firstname => "Masao", :familyname => "Mutoh"}
+    def %(args)
+      if args.kind_of?(Hash)
+        ret = dup
+        args.each {|key, value|
+          ret.gsub!(/\%\{#{key}\}/, value.to_s)
+        }
+        ret
+      else
+        ret = gsub(/%\{/, '%%{')
+        begin
+    ret._old_format_m(args)
+        rescue ArgumentError
+    $stderr.puts "  The string:#{ret}"
+    $stderr.puts "  args:#{args.inspect}"
+        end
+      end
+    end
+  end
+end