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#!/usr/bin/ruby
=begin
parser/activerecord.rb - parser for ActiveRecord
Copyright (C) 2005, 2006 Masao Mutoh
You may redistribute it and/or modify it under the same
license terms as Ruby.
$Id: activerecord.rb,v 1.11 2006/07/13 18:22:09 mutoh Exp $
=end
require 'gettext'
require 'gettext/parser/ruby'
include GetText
module GetText
module ActiveRecordParser
extend GetText
include GetText
GetText.bindtextdomain("rgettext")
@config = {
:db_yml => "config/database.yml",
:db_mode => "development",
:activerecord_classes => ["ActiveRecord::Base"],
:untranslate_columns => ["id"],
:use_classname => true,
}
@ar_re = nil
module_function
def require_rails(file) # :nodoc:
begin
require file
rescue MissingSourceFile
$stderr.puts _("'%{file}' is not found.") % {:file => file}
end
end
# Sets some preferences to parse ActiveRecord files.
#
# * config: a Hash of the config. It can takes some values below:
# * :use_classname - If true, the msgids of ActiveRecord become "ClassName|FieldName" (e.g. "Article|Title"). Otherwise the ClassName is not used (e.g. "Title"). Default is true.
# * :db_yml - the path of database.yml. Default is "config/database.yml".
# * :db_mode - the mode of the database. Default is "development"
# * :activerecord_classes - an Array of the superclass of the models. The classes should be String value. Default is ["ActiveRecord::Base"]
# * :untranslate_columns - an Array of the column names which is ignored as the msgid.
#
# "ClassName|FieldName" uses GetText.sgettext. So you don't need to translate the left-side of "|".
# See <Documents for Translators for more details(http://www.yotabanana.com/hiki/ruby-gettext-translate.html)>.
def init(config)
if config
config.each{|k, v|
@config[k] = v
}
end
@ar_re = /class.*(#{@config[:activerecord_classes].join("|")})/
end
def untranslate_column?(klass, columnname)
klass.untranslate?(columnname) || @config[:untranslate_columns].include?(columnname)
end
def parse(file, targets = []) # :nodoc:
old_constants = constants
begin
eval(open(file).read)
rescue
$stderr.puts _("Ignored '%{file}'. Solve dependencies first.") % {:file => file}
$stderr.puts $!
end
loaded_constants = constants - old_constants
loaded_constants.each do |classname|
klass = eval(classname)
if klass < ActiveRecord::Base
unless klass.untranslate_all?
add_target(targets, file, ::Inflector.singularize(klass.table_name.gsub(/_/, " ")))
tablename = klass.class_name
begin
klass.columns.each do |column|
unless untranslate_column?(klass, column.name)
if @config[:use_classname]
msgid = tablename + "|" + klass.human_attribute_name(column.name)
else
msgid = klass.human_attribute_name(column.name)
end
add_target(targets, file, msgid)
end
end
rescue
$stderr.puts _("No database is available.")
$stderr.puts $!
end
end
end
end
if RubyParser.target?(file)
targets = RubyParser.parse(file, targets)
end
targets.uniq!
targets
end
def add_target(targets, file, msgid) # :nodoc:
key_existed = targets.assoc(msgid)
if key_existed
targets[targets.index(key_existed)] = key_existed << "#{file}:-"
else
targets << [msgid, "#{file}:-"]
end
targets
end
def target?(file) # :nodoc:
init(nil) unless @ar_re
data = IO.readlines(file)
data.each do |v|
if @ar_re =~ v
unless @db
begin
require 'rubygems'
rescue LoadError
$stderr.puts _("rubygems are not found.") if $DEBUG
end
require 'active_record'
begin
yml = YAML.load(ERB.new(IO.read(@config[:db_yml])).result)
rescue
return false
end
ENV["RAILS_ENV"] = @config[:db_mode]
require_rails 'config/boot.rb'
require_rails 'config/environment.rb'
require_rails 'app/controllers/application.rb'
end
return true
end
end
false
end
end
end
if __FILE__ == $0
# ex) ruby model1.rb model2.rb
ARGV.each do |file|
if GetText::ActiveRecordParser.target?(file)
p file
p GetText::ActiveRecordParser.parse(file)
end
end
end
|
