eu.bandm.tools.util2

Class IncludingCharBuf.CharBuf

java.lang.Object

eu.bandm.tools.util2.IncludingCharBuf.CharBuf

Enclosing class:

IncludingCharBuf<D>

protected class IncludingCharBuf.CharBuf
extends Object

Auxiliary class for IncludingCharBuf, representing exactly one source of character data, ie the original file or inserted expansions.

Field Summary

Fields

Modifier and Type	Field and Description
protected int	CHUNKSIZE
protected char[]	data The complete data, read in when constructing the object.
protected IncludingCharBuf.CharBuf	host Chaining to calling CharBuf object.
protected int	len The length of the complete data, in characters.
protected int	pos Current read position.

Constructor Summary

Constructors

Constructor and Description
CharBuf(char[] s, IncludingCharBuf.CharBuf buf, Location<D> loc) see #CharBuf(Reader,CharBuf,Location)
CharBuf(Reader r, IncludingCharBuf.CharBuf buf, Location<D> loc) Create a new buffer, link it via host to the calling text, and fill it with all character data from r.

Method Summary

Modifier and Type	Method and Description
void	consume() Advance position counter and line number, if linefeed is detected.
void	fill(Reader fr)
protected boolean	isNewline(char c) Decide if the next character is a newline FIXME NOT COMPLETE !!
char	LA(int k) Look ahead to the next k-th character, either in its own data, or in the caller.

Methods inherited from class java.lang.Object

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

Field Detail

data

protected char[] data

The complete data, read in when constructing the object.

len

protected int len

The length of the complete data, in characters.

CHUNKSIZE

protected final int CHUNKSIZE

See Also:

Constant Field Values

pos

protected int pos

Current read position.

host

protected IncludingCharBuf.CharBuf host

Chaining to calling CharBuf object.

Constructor Detail

CharBuf

public CharBuf(Reader r,
               IncludingCharBuf.CharBuf buf,
               Location<D> loc)
        throws IOException

Create a new buffer, link it via host to the calling text, and fill it with all character data from r.

Parameters:

r - source

buf - calling predecessor

loc - location of the start of the data

Throws:

IOException

CharBuf

public CharBuf(char[] s,
               IncludingCharBuf.CharBuf buf,
               Location<D> loc)

see #CharBuf(Reader,CharBuf,Location)

Method Detail

fill

public void fill(Reader fr)
          throws IOException

Throws:

IOException

LA

public char LA(int k)

Look ahead to the next k-th character, either in its own data, or in the caller. The next-to-consume character is looked at with k=0(zero).

consume

public void consume()

Advance position counter and line number, if linefeed is detected. Return to the including buffer, if this has reached its end, is made by the calling level in IncludingCharBuf FIXME WARUM AUSKOMMENTIERT ????

isNewline

protected boolean isNewline(char c)

Decide if the next character is a newline FIXME NOT COMPLETE !!