Файловый менеджер

……&&*……%@#￥……%&*（（））*&……%￥#% Файловый менеджер

Файловый менеджер - Редактировать - /opt/puppetlabs/puppet/vendor_modules/augeas_core/lib/puppet_x/augeas/util/parser.rb

Назад
# rubocop:disable Style/Documentation module PuppetX; end module PuppetX::Augeas; end module PuppetX::Augeas::Util; end # rubocop:enable Style/Documentation # Container for helpers to parse user provided data contained in manifests. module PuppetX::Augeas::Util::Parser TOKEN_ARRAY_CLOSE = %r{\s\]\s}.freeze TOKEN_ARRAY_OPEN = %r{\s\[\s}.freeze TOKEN_ARRAY_SEPARATOR = %r{\s,\s}.freeze TOKEN_CLOSE_CURLY = %r\|}\|.freeze TOKEN_DOUBLE_QUOTE = %r{"}.freeze TOKEN_DOUBLE_QUOTE_ESCAPED_CHAR = %r{\\(["\\abtnvfres0-7xu])}.freeze TOKEN_DOUBLE_QUOTE_UNESCAPED_CHAR = %r{[^"\\]}.freeze TOKEN_HEX_CHAR = %r{[0-9a-fA-F]{1,2}}.freeze TOKEN_OCTAL_CHAR = %r{[0-7]{1,3}}.freeze TOKEN_OPEN_CURLY = %r\|{\|.freeze TOKEN_SINGLE_QUOTE = %r{'}.freeze TOKEN_SINGLE_QUOTE_ESCAPED_CHAR = %r{\\(['\\])}.freeze TOKEN_SINGLE_QUOTE_UNESCAPED_CHAR = %r{[^'\\]}.freeze TOKEN_SPACE = %r{\s}.freeze TOKEN_UNICODE_LONG_HEX_CHAR = %r{[0-9a-fA-F]{1,6}}.freeze TOKEN_UNICODE_SHORT_HEX_CHAR = %r{[0-9a-fA-F]{4}}.freeze # Parse a string into the (nearly) equivalent Ruby array. This only handles # arrays with string members (double-, or single-quoted), and does not # support the full quite of escape sequences that Ruby allows in # double-quoted strings. # # @param string [String] The string to be parsed. # @return [Array<String>] The parsed array elements, including handling any # escape sequences. def parse_to_array(string) s = StringScanner.new(string) match = array_open(s) raise "Unexpected character in array at: #{s.rest}" if match.nil? array_content = array_values(s) match = array_close(s) raise "Unexpected character in array at: #{s.rest}" if match.nil? \|\| !s.empty? array_content end def array_open(scanner) scanner.scan(TOKEN_ARRAY_OPEN) end private :array_open def array_close(scanner) scanner.scan(TOKEN_ARRAY_CLOSE) end private :array_close def array_separator(scanner) scanner.scan(TOKEN_ARRAY_SEPARATOR) end private :array_separator def single_quote_unescaped_char(scanner) scanner.scan(TOKEN_SINGLE_QUOTE_UNESCAPED_CHAR) end private :single_quote_unescaped_char def single_quote_escaped_char(scanner) scanner.scan(TOKEN_SINGLE_QUOTE_ESCAPED_CHAR) && scanner[1] end private :single_quote_escaped_char def single_quote_char(scanner) single_quote_escaped_char(scanner) \|\| single_quote_unescaped_char(scanner) end private :single_quote_char def double_quote_unescaped_char(scanner) scanner.scan(TOKEN_DOUBLE_QUOTE_UNESCAPED_CHAR) end private :double_quote_unescaped_char # This handles the possible Ruby escape sequences in double-quoted strings, # except for \M-x, \M-\C-x, \M-\cx, \c\M-x, \c?, and \C-?. The full list of # escape sequences, and their meanings is taken from: # https://github.com/ruby/ruby/blob/90fdfec11a4a42653722e2ce2a672d6e87a57b8e/doc/syntax/literals.rdoc#strings def double_quote_escaped_char(scanner) match = scanner.scan(TOKEN_DOUBLE_QUOTE_ESCAPED_CHAR) return nil if match.nil? case scanner[1] when '\\' then '\\' when '"' then '"' when 'a' then "\a" when 'b' then "\b" when 't' then "\t" when 'n' then "\n" when 'v' then "\v" when 'f' then "\f" when 'r' then "\r" when 'e' then "\e" when 's' then "\s" when %r{[0-7]} # Back the scanner up by one byte so we can grab all of the potential # octal digits at the same time. scanner.pos = scanner.pos - 1 octal_character = scanner.scan(TOKEN_OCTAL_CHAR) octal_character.to_i(8).chr when 'x' hex_character = scanner.scan(TOKEN_HEX_CHAR) return nil if hex_character.nil? hex_character.to_i(16).chr when 'u' unicode_short_hex_character(scanner) \|\| unicode_long_hex_characters(scanner) else # Not a valid escape sequence as far as we're concerned. nil end end private :double_quote_escaped_char def unicode_short_hex_character(scanner) unicode_character = scanner.scan(TOKEN_UNICODE_SHORT_HEX_CHAR) return nil if unicode_character.nil? [unicode_character.hex].pack 'U' end private :unicode_short_hex_character def unicode_long_hex_characters(scanner) unicode_string = '' return nil unless scanner.scan(TOKEN_OPEN_CURLY) loop do char = scanner.scan(TOKEN_UNICODE_LONG_HEX_CHAR) break if char.nil? unicode_string << [char.hex].pack('U') separator = scanner.scan(TOKEN_SPACE) break if separator.nil? end return nil if scanner.scan(TOKEN_CLOSE_CURLY).nil? \|\| unicode_string.empty? unicode_string end private :unicode_long_hex_characters def single_quoted_string(scanner) quoted_string = '' match = scanner.scan(TOKEN_SINGLE_QUOTE) return nil if match.nil? loop do match = single_quote_char(scanner) break if match.nil? quoted_string << match end match = scanner.scan(TOKEN_SINGLE_QUOTE) return quoted_string if match nil end private :single_quoted_string def double_quote_char(scanner) double_quote_escaped_char(scanner) \|\| double_quote_unescaped_char(scanner) end private :double_quote_char def double_quoted_string(scanner) quoted_string = '' match = scanner.scan(TOKEN_DOUBLE_QUOTE) return nil if match.nil? loop do match = double_quote_char(scanner) break if match.nil? quoted_string << match end match = scanner.scan(TOKEN_DOUBLE_QUOTE) return quoted_string if match nil end private :double_quoted_string def quoted_string(scanner) single_quoted_string(scanner) \|\| double_quoted_string(scanner) end private :quoted_string def array_values(scanner) values = [] loop do match = quoted_string(scanner) break if match.nil? values << match match = array_separator(scanner) break if match.nil? end values end private :array_values end