factor/basis/io/encodings/string/string.factor

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Factor

! Copyright (C) 2008 Daniel Ehrenberg.
! See http://factorcode.org/license.txt for BSD license.
USING: byte-vectors io io.encodings io.streams.byte-array
io.streams.string kernel locals sbufs sequences io.private
io.encodings.binary ;
IN: io.encodings.string
:: decode ( byte-array encoding -- string )
encoding binary eq? [ byte-array ] [
byte-array encoding <byte-reader> :> reader
byte-array length
encoding guess-decoded-length
reader stream-exemplar-growable new-resizable :> buf
[ reader stream-read1 dup ] [ buf push ] while drop
buf reader stream-exemplar like
] if ; inline
:: encode ( string encoding -- byte-array )
encoding binary eq? [ string ] [
string length encoding guess-encoded-length <byte-vector> :> vec
string vec encoding <encoder> stream-write
vec B{ } like
] if ; inline