package org.json.zip;
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import java.io.IOException;
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public interface BitReader {
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/**
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* Read one bit.
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*
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* @return true if it is a 1 bit.
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*/
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public boolean bit() throws IOException;
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/**
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* Returns the number of bits that have been read from this bitreader.
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*
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* @return The number of bits read so far.
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*/
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public long nrBits();
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/**
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* Check that the rest of the block has been padded with zeros.
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*
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* @param width
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* The size in bits of the block to pad. This will typically be
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* 8, 16, 32, 64, 128, 256, etc.
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* @return true if the block was zero padded, or false if the the padding
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* contained any one bits.
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* @throws IOException
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*/
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public boolean pad(int width) throws IOException;
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/**
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* Read some bits.
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*
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* @param width
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* The number of bits to read. (0..32)
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* @throws IOException
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* @return the bits
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*/
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public int read(int width) throws IOException;
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}
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