GetText: add Config.datadir-based locale search path.

[user/henk/code/ruby/rbot.git] / lib / rbot / load-gettext.rb

diff --git a/lib/rbot/load-gettext.rb b/lib/rbot/load-gettext.rb
index 8a74a1d1d31af52db4560503e772f4b4ab69593e..e95d406837ccecceee52d43af7dcc1f792c4fef1 100644 (file)
--- a/lib/rbot/load-gettext.rb
+++ b/lib/rbot/load-gettext.rb
@@ -1,4 +1,9 @@
-# load gettext module and provide fallback in case of failure
+#-- vim:sw=2:et
+#++
+#
+# :title: GetText interface for rbot
+#
+# Load gettext module and provide fallback in case of failure
 
 class GetTextVersionError < Exception
 end
@@ -9,12 +14,16 @@ begin
 
   gettext_version = GetText::VERSION.split('.').map {|n| n.to_i}
   include Comparable # required for Array#between?
-  raise GetTextVersionError unless gettext_version.between? [1, 8, 0], [1, 10, 0]
+  unless gettext_version.between? [1, 8, 0], [1, 10, 0]
+    raise GetTextVersionError, "Unsupported ruby-gettext version installed: #{gettext_version.join '.'}; supported versions are 1.8.0-1.10.0"
+  end
 
   require 'gettext'
 
   include GetText
 
+  add_default_locale_path(File.join(Irc::Config.datadir, "../locale/%{locale}/LC_MESSAGES/%{name}.mo"))
+
   bindtextdomain 'rbot'
 
   module GetText
@@ -27,20 +36,28 @@ begin
     def bound_targets(*a)  # :nodoc:
       orig_bound_targets(*a) rescue orig_bound_targets(Object)
     end
-  end
 
-  begin
     require 'stringio'
-    gettext_info = StringIO.new
-    current_textdomain_info(:out=>gettext_info) # fails sometimes
-    debug 'using ruby-gettext'
-    gettext_info.string.each_line {|l| debug l}
-  rescue Exception
-    warn "ruby-gettext was loaded but appears to be non-functional. maybe an mo file doesn't exist for your locale."
+
+    # This method is used to output debug information on the GetText
+    # textdomain, and it's called by the language setting routines
+    # in rbot
+    def rbot_gettext_debug
+      begin
+        gettext_info = StringIO.new
+        current_textdomain_info(:out => gettext_info) # fails sometimes
+      rescue Exception
+        warning "gettext failed to set call textdomain info. maybe an mo file doesn't exist for your locale."
+      ensure
+        gettext_info.string.each_line { |l| debug l}
+      end
+    end
   end
 
+  log "gettext loaded"
+
 rescue LoadError, GetTextVersionError
-  warn 'ruby-gettext package not available, or its version is unsupported; translations are disabled'
+  warn "failed to load ruby-gettext package: #{$!}; translations are disabled"
 
   # dummy functions that return msg_id without translation
   def _(s)