Class: Twine::Formatters::Gettext

Inherits:
Abstract
  • Object
show all
Defined in:
lib/twine/formatters/gettext.rb

Constant Summary collapse

FORMAT_NAME = 
'gettext'
EXTENSION = 
'.po'
DEFAULT_FILE_NAME = 
'strings.po'

Instance Attribute Summary

Attributes inherited from Abstract

#options, #strings

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Abstract

#androidify_substitutions, #initialize, #iosify_substitutions, #set_comment_for_key, #set_translation_for_key, #write_all_files

Constructor Details

This class inherits a constructor from Twine::Formatters::Abstract

Class Method Details

.can_handle_directory?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/twine/formatters/gettext.rb', line 10

def self.can_handle_directory?(path)
  Dir.entries(path).any? { |item| /^.+\.po$/.match(item) }
end

Instance Method Details

#default_file_name ⇒ Object 



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# File 'lib/twine/formatters/gettext.rb', line 14

def default_file_name
  return DEFAULT_FILE_NAME
end

#determine_language_given_path(path) ⇒ Object 



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# File 'lib/twine/formatters/gettext.rb', line 18

def determine_language_given_path(path)
  path_arr = path.split(File::SEPARATOR)
  path_arr.each do |segment|
    match = /(..)\.po$/.match(segment)
    if match
      return match[1]
    end
  end

  return
end

#read_file(path, lang) ⇒ Object 



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# File 'lib/twine/formatters/gettext.rb', line 30

def read_file(path, lang)
  comment_regex = /#.? *"(.*)"$/
  key_regex = /msgctxt *"(.*)"$/
  value_regex = /msgstr *"(.*)"$/m
  File.open(path, 'r:UTF-8') do |f|
    while item = f.gets("\n\n")
      key = nil
      value = nil
      comment = nil

      comment_match = comment_regex.match(item)
      if comment_match
        comment = comment_match[1]
      end
      key_match = key_regex.match(item)
      if key_match
        key = key_match[1].gsub('\\"', '"')
      end
      value_match = value_regex.match(item)
      if value_match
        value = value_match[1].gsub(/"\n"/, '').gsub('\\"', '"')
      end
      if key and key.length > 0 and value and value.length > 0
        set_translation_for_key(key, lang, value)
        if comment and comment.length > 0 and !comment.start_with?("SECTION:")
          set_comment_for_key(key, comment)
        end
        comment = nil
      end
    end
  end
end

#write_file(path, lang) ⇒ Object 



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# File 'lib/twine/formatters/gettext.rb', line 63

def write_file(path, lang)
  default_lang = @strings.language_codes[0]
  encoding = @options[:output_encoding] || 'UTF-8'
  File.open(path, "w:#{encoding}") do |f|
    f.puts "msgid \"\"\nmsgstr \"\"\n\"Language: #{lang}\\n\"\n\"X-Generator: Twine #{Twine::VERSION}\\n\"\n\n"
    @strings.sections.each do |section|
      printed_section = false
      section.rows.each do |row|
        if row.matches_tags?(@options[:tags], @options[:untagged])
          if !printed_section
            f.puts ''
              if section.name && section.name.length > 0
                section_name = section.name.gsub('--', '—')
                f.puts "# SECTION: #{section_name}"
              end
            printed_section = true
          end

          basetrans = row.translated_string_for_lang(default_lang)

          if basetrans
            key = row.key
            key = key.gsub('"', '\\\\"')

            comment = row.comment
            if comment
              comment = comment.gsub('"', '\\\\"')
            end

            if comment && comment.length > 0
              f.print "#. \"#{comment}\"\n"
            end

            f.print "msgctxt \"#{key}\"\nmsgid \"#{basetrans}\"\n"
            value = row.translated_string_for_lang(lang)
            if value
              value = value.gsub('"', '\\\\"')
            end
            f.print "msgstr \"#{value}\"\n\n"
          end
        end
      end
    end
  end
end