com.threerings.expr
Class ExpressionParser.OperatorStreamTokenizer

java.lang.Object
  java.io.StreamTokenizer
      com.threerings.expr.ExpressionParser.OperatorStreamTokenizer

Enclosing class:

ExpressionParser<T>

protected static class ExpressionParser.OperatorStreamTokenizer
extends StreamTokenizer

Extends StreamTokenizer slightly to handle multi-character operators.

Field Summary

protected double	_nnval
protected String	_nsval
protected int	_nttype
static int	TT_NOTHING A constant indicating that nothing has yet been read (defined privately in the parent class).
static int	TT_OPERATOR A constant indicating that an operator token has been read.

Fields inherited from class java.io.StreamTokenizer

nval, sval, TT_EOF, TT_EOL, TT_NUMBER, TT_WORD, ttype

Constructor Summary

ExpressionParser.OperatorStreamTokenizer(Reader reader)
Creates a new tokenizer.

Method Summary

int	nextToken()

Methods inherited from class java.io.StreamTokenizer

commentChar, eolIsSignificant, lineno, lowerCaseMode, ordinaryChar, ordinaryChars, parseNumbers, pushBack, quoteChar, resetSyntax, slashSlashComments, slashStarComments, toString, whitespaceChars, wordChars

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

TT_NOTHING

public static final int TT_NOTHING

A constant indicating that nothing has yet been read (defined privately in the parent class).

See Also:

Constant Field Values

TT_OPERATOR

public static final int TT_OPERATOR

A constant indicating that an operator token has been read.

See Also:

Constant Field Values

_nttype

protected int _nttype

_nsval

protected String _nsval

_nnval

protected double _nnval

Constructor Detail

ExpressionParser.OperatorStreamTokenizer

public ExpressionParser.OperatorStreamTokenizer(Reader reader)

Creates a new tokenizer.

Method Detail

nextToken

public int nextToken()
              throws IOException

Overrides:

nextToken in class StreamTokenizer

Throws:

IOException