org.jsesoft.jpp
Class WhitespaceState

java.lang.Object
  |
  +--org.jsesoft.jpp.State
        |
        +--org.jsesoft.jpp.WhitespaceState

public class WhitespaceState

extends State

Scans white spaces from the reader.

Version:

1.0

Author:

JSESoft

Field Summary

(package private) char[]	buffer The character buffer.
protected boolean	shouldIgnore Whether or not to ignore white spaces.

Constructor Summary

WhitespaceState()

WhitespaceState(boolean shouldIgnore)

Method Summary

protected void	checkBuffer(int size) Increase buffer size if necessary.
Token	nextToken(java.io.PushbackReader reader, int first, Tokenizer tokenizer) Scans next white spaces from reader.
void	setShouldIgnore(boolean value)

Methods inherited from class java.lang.Object

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

Field Detail

shouldIgnore

protected boolean shouldIgnore

Whether or not to ignore white spaces.

buffer

char[] buffer

The character buffer.

Constructor Detail

WhitespaceState

public WhitespaceState()

WhitespaceState

public WhitespaceState(boolean shouldIgnore)

Method Detail

nextToken

public Token nextToken(java.io.PushbackReader reader,
                       int first,
                       Tokenizer tokenizer)
                throws java.io.IOException

Scans next white spaces from reader.

Overrides:

nextToken in class State

Parameters:

reader - the reader to read characters from

first - the character starting the token

tokenizer - the tokenizer in duty

Returns:

the next token

Throws:

java.io.IOException - on any problem reading

checkBuffer

protected void checkBuffer(int size)

Increase buffer size if necessary.

Parameters:

size - the required size

setShouldIgnore

public void setShouldIgnore(boolean value)