Interface CharacterSource

Method Details

• skipWhiteSpace

  void skipWhiteSpace()

  Skip white space.

• nextChar

  int nextChar()

  returns the next character moving the file pointer or index to the next location.

• currentChar

  int currentChar()

  returns the current character without changing the IO pointer or index.

• hasChar

  boolean hasChar()

  Checks to see if there is a next character.

• consumeIfMatch

  boolean consumeIfMatch(char[] match)

  Useful for finding constants in a string like true, false, etc.

• location

  int location()

  This is mostly for debugging and testing.

• safeNextChar

  int safeNextChar()

  Combines the operations of nextChar and hasChar. Characters is -1 if not found which signifies end of file. This might be preferable to avoid two method calls.

• findNextChar

  char[] findNextChar(int ch, int esc)

  Used to find strings and their ilk Finds the next non-escaped char

  Parameters:

  ch - character to find

  esc - escape character to avoid next char if escaped

  Returns:

  list of chars until this is found.

• hadEscape

  boolean hadEscape()

• readNumber

  char[] readNumber()

  Reads a number from the character source.

• errorDetails

  String errorDetails(String message)