Method: RDoc::Parser::Ruby#collect_first_comment

Defined in:
lib/rdoc/parser/ruby.rb

#collect_first_comment ⇒ Object

Look for the first comment in a file that isn’t a shebang line.



241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
 
# File 'lib/rdoc/parser/ruby.rb', line 241

def collect_first_comment
  skip_tkspace
  comment = ''.dup
  comment = RDoc::Encoding.change_encoding comment, @encoding if @encoding
  first_line = true
  first_comment_tk_kind = nil
  line_no = nil

  tk = get_tk

  while tk && (:on_comment == tk[:kind] or :on_embdoc == tk[:kind])
    comment_body = retrieve_comment_body(tk)
    if first_line and comment_body =~ /\A#!/ then
      skip_tkspace
      tk = get_tk
    elsif first_line and comment_body =~ /\A#\s*-\*-/ then
      first_line = false
      skip_tkspace
      tk = get_tk
    else
      break if first_comment_tk_kind and not first_comment_tk_kind === tk[:kind]
      first_comment_tk_kind = tk[:kind]

      line_no = tk[:line_no] if first_line
      first_line = false
      comment << comment_body
      tk = get_tk

      if :on_nl === tk then
        skip_tkspace_without_nl
        tk = get_tk
      end
    end
  end

  unget_tk tk

  new_comment comment, line_no
end