Package edu.berkeley.nlp.lm.bits
Class BitStream
- java.lang.Object
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- edu.berkeley.nlp.lm.bits.BitStream
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public final class BitStream extends java.lang.Object
Wraps a portion of a long[] array with iterator-like functionality over a stream of bits.- Author:
- adampauls
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
advance(int n)
Advances without returning any bits.boolean
finished()
void
mark()
Sets a mark at the current bit that can be returned to using rewindToMark.long
next(int n)
Read and return next n bits.boolean
nextBit()
int
nextConsecutiveZeros()
Reads a string of zeros followed by a 1.int
numBitsLeft()
void
rewind(int i)
void
rewindToMark()
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Constructor Detail
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BitStream
public BitStream(LongArray data, long start, int startBit, int numBits)
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Method Detail
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nextBit
public boolean nextBit()
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nextConsecutiveZeros
public int nextConsecutiveZeros()
Reads a string of zeros followed by a 1.- Returns:
- the number of consecutive zeros (plus 1)
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next
public long next(int n)
Read and return next n bits.- Parameters:
n
-- Returns:
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finished
public boolean finished()
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rewind
public void rewind(int i)
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numBitsLeft
public int numBitsLeft()
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advance
public void advance(int n)
Advances without returning any bits.- Parameters:
n
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mark
public void mark()
Sets a mark at the current bit that can be returned to using rewindToMark.
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rewindToMark
public void rewindToMark()
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