Class: Apfel::DotStringsParser

Inherits:
Object
  • Object
show all
Defined in:
lib/apfel/dot_strings_parser.rb

Constant Summary collapse

KEY =
"KEY"
COMMENT =
"COMMENT"

Instance Method Summary collapse

Constructor Details

#initialize(read_file, parsed_file = ParsedDotStrings.new) ⇒ DotStringsParser

Returns a new instance of DotStringsParser.



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# File 'lib/apfel/dot_strings_parser.rb', line 9

def initialize(read_file, parsed_file = ParsedDotStrings.new)
  @read_file = read_file
  @parsed_file = parsed_file
end

Instance Method Details

#parse_fileObject



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# File 'lib/apfel/dot_strings_parser.rb', line 14

def parse_file
  state = KEY
  current_comment = nil
  comments_for_keys = {}
  @read_file.each do |content_line|
    current_line = Line.new(content_line)
    next if current_line.empty_line? && current_line.in_comment == false

    #State machine to parse the comments
    case state
    when KEY
      if current_line.whole_comment?
        unless current_line.whole_comment.strip == 'No comment provided by engineer.'
          current_comment = current_line.whole_comment
        end
      elsif current_line.key_value_pair? && current_comment
        comments_for_keys[current_line.key] = current_comment
        current_comment = nil
      elsif current_line.open_comment?
        current_comment = current_line.open_comment + "\n"
        state = COMMENT
      end
    when COMMENT
      if current_line.close_comment?
        current_comment += current_line.close_comment
        state = KEY
      else
        current_line.in_comment = true
        current_comment = current_comment + current_line.content + "\n"
      end
    end

    unless current_line.is_comment?
      @parsed_file.kv_pairs << KVPair.new(current_line, comments_for_keys[current_line.key])
    end
  end

  raise "Invalid .string file: Unterminated comment" unless state == KEY
  @parsed_file
end