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# -*- coding: utf-8 -*-
=begin
parser/erubi.rb - parser for ERB using Erubi
Copyright (C) 2005-2009 Masao Mutoh
You may redistribute it and/or modify it under the same
license terms as Ruby or LGPL.
=end
require "erubi"
require 'gettext/tools/parser/ruby'
module GetText
class ErubiParser
@config = {
:extnames => ['.rhtml', '.erb']
}
class << self
# Sets some preferences to parse ERB files.
# * config: a Hash of the config. It can takes some values below:
# * :extnames: An Array of target files extension. Default is [".rhtml"].
def init(config)
config.each{|k, v|
@config[k] = v
}
end
def target?(file) # :nodoc:
@config[:extnames].each do |v|
return true if File.extname(file) == v
end
false
end
# Parses eRuby script located at `path`.
#
# This is a short cut method. It equals to `new(path,
# options).parse`.
#
# @return [Array<POEntry>] Extracted messages
# @see #initialize and #parse
def parse(path, options={})
parser = new(path, options)
parser.parse
end
end
# @param path [String] eRuby script path to be parsed
# @param options [Hash]
def initialize(path, options={})
@path = path
@options = options
end
# Extracts messages from @path.
#
# @return [Array<POEntry>] Extracted messages
def parse
content = IO.read(@path)
encoding = detect_encoding(content)
content.force_encoding(encoding)
erb = Erubi::Engine.new(content)
src = erb.src
RubyParser.new(@path, @options).parse_source(src)
end
def detect_encoding(content)
if /#.*coding: (\S*)/ =~ content.lines.first
$1.upcase
else
content.encoding
end
end
end
end
if __FILE__ == $0
# ex) ruby glade.rhtml foo.rhtml bar.rhtml
ARGV.each do |file|
p GetText::ErubiParser.parse(file)
end
end
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