Class TextFormatEscaper

java.lang.Object
com.google.protobuf.TextFormatEscaper
final class TextFormatEscaper extends Object
Provide text format escaping of proto instances. These ASCII characters are escaped:
  • ASCII #7 (bell) --> \a
  • ASCII #8 (backspace) --> \b
  • ASCII #9 (horizontal tab) --> \t
  • ASCII #10 (linefeed) --> \n
  • ASCII #11 (vertical tab) --> \v
  • ASCII #13 (carriage return) --> \r
  • ASCII #12 (formfeed) --> \f
  • ASCII #34 (apostrophe) --> \'
  • ASCII #39 (straight double quote) --> \"
  • ASCII #92 (backslash) --> \\
  • ASCII characters besides those three which are in the range [32..127] inclusive are output as is, unescaped.
  • All other bytes are escaped as octal sequences. If we are printing text, we convert to UTF-8 and print any high codepoints as their UTF-8 encoded units in octal escapes.

  • Constructor Details

    • TextFormatEscaper

      private TextFormatEscaper()

  • Method Details

    • escapeBytes

      static String escapeBytes(byte[] input)
      Backslash escapes bytes in the format used in protocol buffer text format.

    • escapeBytes

      static String escapeBytes(ByteString input)
      Backslash escapes bytes in the format used in protocol buffer text format.

    • needsEscape

      static boolean needsEscape(char c)

    • escapeText

      static String escapeText(String input)
      Like escapeBytes(ByteString), but escapes a text string.

    • escapeDoubleQuotesAndBackslashes

      static String escapeDoubleQuotesAndBackslashes(String input)
      Escape double quotes and backslashes in a String for unicode output of a message.