Summary
Reading sequences of bits from a byte stream

Metadata

Authors:

Doug Coleman

Words

Tuple classes

Class	Superclass	Slots
bit-reader	tuple	bytes byte-pos bit-pos
bit-writer	tuple	bytes widthed
invalid-widthed	tuple	bits #bits
lsb0-bit-reader	bit-reader
lsb0-bit-writer	bit-writer
msb0-bit-reader	bit-reader
msb0-bit-writer	bit-writer
not-enough-bits	tuple	n bit-reader
widthed	tuple	bits #bits

Generic words

Word	Stack effect
peek	( n bitstream -- value )
poke	( value n bitstream -- )

Ordinary words

Word	Stack effect
#bits>#bytes	( #bits -- #bytes )
(align)	( n m -- n' )
(peek)	( n bs endian> subseq-endian -- bits )
<lsb0-bit-reader>	( bytes -- bs )
<lsb0-bit-writer>	( -- bs )
<msb0-bit-reader>	( bytes -- bs )
<msb0-bit-writer>	( -- bs )
<widthed>	( bits #bits -- widthed )
adjust-bits	( n bs -- )
align	( n bitstream -- )
bit-writer-bytes	( writer -- bytes )
byte-array-n>sequence	( byte-array n -- seq )
check-widthed	( bits #bits -- bits #bits )
enough-bits?	( n bs -- ? )
get-abp	( bitstream -- abp )
invalid-widthed	( bits #bits -- * )
new-bit-writer	( class -- bs )
not-enough-bits	( n bit-reader -- * )
read	( n bitstream -- value )
seek	( n bitstream -- )
set-abp	( abp bitstream -- )
subseq>bits-be	( bignum n bs -- bits )
subseq>bits-le	( bignum n bs -- bits )
zero-widthed	( -- widthed )
zero-widthed?	( widthed -- ? )

Class predicate words

Word	Stack effect
bit-reader?	( object -- ? )
bit-writer?	( object -- ? )
invalid-widthed?	( object -- ? )
lsb0-bit-reader?	( object -- ? )
lsb0-bit-writer?	( object -- ? )
msb0-bit-reader?	( object -- ? )
msb0-bit-writer?	( object -- ? )
not-enough-bits?	( object -- ? )
widthed?	( object -- ? )

Files


Metadata files


Children

Vocabulary	Summary
bitstreams.private