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msgpack: use byte-array instead of strings, faster.

db4
John Benediktsson 2013-11-24 11:02:36 -08:00
parent 29ca470b79
commit c751d5f76c
1 changed files with 21 additions and 14 deletions
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35
extra/msgpack/msgpack.factor
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@ -1,9 +1,11 @@
! Copyright (C) 2013 John Benediktsson
! See http://factorcode.org/license.txt for BSD license
USING: arrays assocs byte-arrays byte-vectors combinators
grouping hashtables io io.binary io.streams.string kernel math
math.bitwise math.order sbufs sequences strings ;
USING: arrays assocs byte-arrays combinators grouping hashtables
io io.binary io.encodings io.encodings.binary
io.encodings.string io.encodings.utf8 io.streams.byte-array
io.streams.string kernel math math.bitwise math.order namespaces
sequences strings ;
IN: msgpack
@ -43,10 +45,10 @@ ERROR: unknown-format n ;
{ [ dup 0xd3 = ] [ drop 8 read signed-be> ] }
{ [ dup 0xca = ] [ drop 4 read be> bits>float ] }
{ [ dup 0xcb = ] [ drop 8 read be> bits>double ] }
{ [ dup 0xe0 mask 0xa0 = ] [ 0x1f mask read ] }
{ [ dup 0xd9 = ] [ drop read1 read "" like ] }
{ [ dup 0xda = ] [ drop 2 read be> read "" like ] }
{ [ dup 0xdb = ] [ drop 4 read be> read "" like ] }
{ [ dup 0xe0 mask 0xa0 = ] [ 0x1f mask read utf8 decode ] }
{ [ dup 0xd9 = ] [ drop read1 read utf8 decode ] }
{ [ dup 0xda = ] [ drop 2 read be> read utf8 decode ] }
{ [ dup 0xdb = ] [ drop 4 read be> read utf8 decode ] }
{ [ dup 0xc4 = ] [ drop read1 read B{ } like ] }
{ [ dup 0xc5 = ] [ drop 2 read be> read B{ } like ] }
{ [ dup 0xc6 = ] [ drop 4 read be> read B{ } like ] }
@ -83,7 +85,7 @@ M: integer write-msgpack
dup 0 >= [
{
{ [ dup 0x7f <= ] [ write1 ] }
{ [ dup 0xff <= ] [ 0xcc write1 1 >be write ] }
{ [ dup 0xff <= ] [ 0xcc write1 write1 ] }
{ [ dup 0xffff <= ] [ 0xcd write1 2 >be write ] }
{ [ dup 0xffffffff <= ] [ 0xce write1 4 >be write ] }
{ [ dup 0xffffffffffffffff <= ] [ 0xcf write1 8 >be write ] }
@ -91,8 +93,8 @@ M: integer write-msgpack
} cond
] [
{
{ [ dup -0x1f >= ] [ 1 >be write ] }
{ [ dup -0x80 >= ] [ 0xd0 write1 1 >be write ] }
{ [ dup -0x1f >= ] [ write1 ] }
{ [ dup -0x80 >= ] [ 0xd0 write1 write1 ] }
{ [ dup -0x8000 >= ] [ 0xd1 write1 2 >be write ] }
{ [ dup -0x80000000 >= ] [ 0xd2 write1 4 >be write ] }
{ [ dup -0x8000000000000000 >= ] [ 0xd3 write1 8 >be write ] }
@ -110,7 +112,7 @@ M: string write-msgpack
{ [ dup 0xffff <= ] [ 0xda write1 2 >be write ] }
{ [ dup 0xffffffff <= ] [ 0xdb write1 4 >be write ] }
[ cannot-convert ]
} cond write ;
} cond output-stream get utf8 encode-string ;
M: byte-array write-msgpack
dup length {
@ -145,8 +147,13 @@ M: assoc write-msgpack
PRIVATE>
: msgpack> ( string -- obj )
GENERIC: msgpack> ( seq -- obj )
M: string msgpack>
[ read-msgpack ] with-string-reader ;
: >msgpack ( obj -- string )
[ write-msgpack ] with-string-writer ;
M: byte-array msgpack>
binary [ read-msgpack ] with-byte-reader ;
: >msgpack ( obj -- bytes )
binary [ write-msgpack ] with-byte-writer ;