mailr/script/rgettext.rb

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#!/usr/bin/env ruby
=begin
rgettext - ruby version of xgettext
Copyright (C) 2005 Sascha Ebach
Copyright (C) 2003,2004 Masao Mutoh
Copyright (C) 2001,2002 Yasushi Shoji, Masao Mutoh
Yasushi Shoji <yashi@yashi.com>
Masao Mutoh <mutoh@highway.ne.jp>
Sascha Ebach <se@digitale-wertschoepfung.de>
You may redistribute it and/or modify it under the same
license terms as Ruby.
2005-03-12: Added support for eruby templates (Sascha Ebach)
2005-03-20: Added second parameter to RGetext.start to allow different
output when not called from the command line. Pulled out
RGetext.set_output().
=end
require 'gettext/parser/ruby'
require 'gettext/parser/glade'
require 'getoptlong'
require 'gettext'
require 'tempfile'
require 'erb'
class RGettext
include GetText
# constant values
VERSION = %w($Revision: 1.15 $)[1].scan(/\d+/).collect {|s| s.to_i}
DATE = %w($Date: 2004/11/05 18:19:08 $)[1]
MAX_LINE_LEN = 70
def start(files=ARGV, output = nil)
opt = check_options
opt['output'] = output unless output.nil?
set_output(opt)
if files.empty?
print_help
exit
end
ary = []
files.each do |file|
begin
$stderr.puts "Processing #{file}"
if glade_file?(file)
ary = GladeParser.parse(file, ary)
elsif erb_file?(file)
content = File.open(file, 'r') {|f| f.read }
tf = Tempfile.new('erb-gettext')
tf.puts ERB.new(content).src
tf.close
old_index = ary.size - 1
ary = GetText::RubyParser.parse(tf.path, ary)
#replace tokens with /tmp/... with real file names
for i in old_index..ary.size-1
for j in 0..ary[i].size-1
ary[i][j] = ary[i][j].gsub("#{tf.path}", file)
end
end
tf.close true
else
ary = RubyParser.parse(file, ary)
end
rescue
puts $!
exit 1
end
end
generate_pot_header
generate_pot(ary)
@out.close
end
# following methods are
private
XML_RE = /<\?xml/
GLADE_RE = /glade-2.0.dtd/
def erb_file?(file)
File.extname(file) == '.rhtml'
end
def glade_file?(file)
data = IO.readlines(file)
if XML_RE =~ data[0]
if GLADE_RE =~ data[1]
return true
else
raise _("%s is not glade-2.0 format.") % [file]
end
else
return false
end
end
def initialize
bindtextdomain("rgettext")
end
def generate_pot_header
time = Time.now.strftime("%Y-%m-%d %H:%M%z")
@out << "# SOME DESCRIPTIVE TITLE.\n"
@out << "# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER\n"
@out << "# This file is distributed under the same license as the PACKAGE package.\n"
@out << "# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.\n"
@out << "#\n"
@out << "#, fuzzy\n"
@out << "msgid \"\"\n"
@out << "msgstr \"\"\n"
@out << "\"Project-Id-Version: PACKAGE VERSION\\n\"\n"
@out << "\"POT-Creation-Date: #{time}\\n\"\n"
@out << "\"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\\n\"\n"
@out << "\"Last-Translator: FULL NAME <EMAIL@ADDRESS>\\n\"\n"
@out << "\"Language-Team: LANGUAGE <LL@li.org>\\n\"\n"
@out << "\"MIME-Version: 1.0\\n\"\n"
@out << "\"Content-Type: text/plain; charset=UTF-8\\n\"\n"
@out << "\"Content-Transfer-Encoding: 8bit\\n\"\n"
@out << "\"Plural-Forms: nplurals=INTEGER; plural=EXPRESSION;\\n\"\n"
end
def generate_pot(ary)
result = Array.new
ary.each do |key|
msgid = key.shift
curr_pos = MAX_LINE_LEN
key.each do |e|
if curr_pos + e.size > MAX_LINE_LEN
@out << "\n#:"
curr_pos = 3
else
curr_pos += (e.size + 1)
end
@out << " " << e
end
msgid.gsub!(/"/, '\"')
msgid.gsub!(/\r/, '')
if msgid.include?("\000")
ids = msgid.split(/\000/)
@out << "\nmsgid \"" << ids[0] << "\"\n"
@out << "msgid_plural \"" << ids[1] << "\"\n"
@out << "msgstr[0] \"\"\n"
@out << "msgstr[1] \"\"\n"
else
@out << "\nmsgid \"" << msgid << "\"\n"
@out << "msgstr \"\"\n"
end
end
end
def print_help
printf _("Usage: %s input.rb -o output.pot\n"), $0
print _("Extract translatable strings from given input files.\n\n")
end
def check_options
command_options = [
['--help', '-h', GetoptLong::NO_ARGUMENT], #'print this help and exit'],
['--version', '-v', GetoptLong::NO_ARGUMENT], #'print version info and exit'],
['--output', '-o', GetoptLong::REQUIRED_ARGUMENT]#, ['FILE', 'write output to specified file']]
]
parser = GetoptLong.new
parser.set_options(*command_options)
opt = Hash.new
parser.each do |name, arg|
opt.store(name.sub(/^--/, ""), arg || true)
end
if opt['version']
print "#{$0} #{VERSION.join('.')} \(#{DATE}\)\n\n"
exit
end
if opt['help']
print_help
exit
end
opt
end
def set_output(opt)
if opt['output']
unless FileTest.exist? opt['output']
@out = File.new(File.expand_path(opt['output']), "w+")
else
if $>.tty?
# FIXME
printf $stderr, "File '#{opt['output']}' already exists\n"
exit 1
else
printf $stderr, "File '#{opt['output']}' already exists"
exit 1
end
end
else
@out = STDOUT
end
end
end # class RGettext
if __FILE__ == $0 # in case we want to start it from somewhere else
rgettext = RGettext.new
rgettext.start
end