mailr/script/local2gettext

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#!/usr/bin/env ruby
require 'fileutils'
include FileUtils
require File.dirname(__FILE__) + "/../config/environment"
# RAILS_ROOT is just one up
RAILS_ROOT = File.expand_path(File.dirname(__FILE__) + '/..')
include Mailr::Localization
# goto RAILS_ROOT so we can address all files relatively from there
Dir.chdir(RAILS_ROOT)
# directories and extensions to harvest
dirpattern = '{app,components,lib}'
extpattern = 'r{b,html,xml}'
total_replacements = 0
Dir.glob("#{dirpattern}/**/*.#{extpattern}").each do |f|
next if f == 'lib/localization.rb'
puts "Scanning file #{f}"
fc = ""
re = /l[ ]?\(\:([a-z0-9\_\-]*)[ ]?\)/
File.open(f, "r").each_line { |line| fc << line}
has_replacements = 0
# remeber that it will not work if there are localized messages with parameters
# e.g. l(:key, param1, param2) - this should be fixed locally with:
# sprintf(_('message'), param1, param2
fc = fc.gsub(re) { |match|
result = ""
has_replacements = has_replacements + 1
total_replacements = total_replacements + 1
match.scan(re) { |token|
result = "_('"<<eval("l(:#{token})").gsub("'", "\\'") << "')"
}
result
}
f = File.open(f, "w")
f << fc
f.close
puts "... #{has_replacements} replacements made." if has_replacements > 0
end
puts "Done - #{total_replacements} total replacements made."