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added constants for byte-lengths (INT32-SIZE, CHAR-SIZE, INT64-SIZE)

db4
Sascha Matzke 2009-03-23 08:55:40 +01:00
parent 76824c3bc7
commit 0378dda9b1
1 changed files with 12 additions and 11 deletions
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23
bson/writer/writer.factor
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@ -1,10 +1,9 @@
! Copyright (C) 2008 Sascha Matzke.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors assocs bson.constants
byte-arrays byte-vectors calendar fry io io.binary io.encodings
io.encodings.binary io.encodings.string io.encodings.utf8
io.streams.byte-array kernel math math.parser namespaces
quotations sequences serialize strings words ;
USING: accessors assocs bson.constants byte-arrays byte-vectors
calendar fry io io.binary io.encodings io.encodings.string
io.encodings.utf8 kernel math math.parser namespaces quotations
sequences serialize strings tools.walker words ;
IN: bson.writer
@ -16,6 +15,8 @@ IN: bson.writer
SYMBOL: shared-buffer
CONSTANT: INT32-SIZE 4
CONSTANT: CHAR-SIZE 1
CONSTANT: INT64-SIZE 8
: (buffer) ( -- buffer )
shared-buffer get
@ -24,10 +25,10 @@ CONSTANT: INT32-SIZE 4
PRIVATE>
: ensure-buffer ( -- )
(buffer) drop ;
(buffer) drop ; inline
: reset-buffer ( -- )
(buffer) 0 >>length drop ;
(buffer) 0 >>length drop ; inline
: with-buffer ( quot -- byte-vector )
[ (buffer) ] dip [ output-stream get ] compose
@ -67,11 +68,11 @@ M: objref bson-type? ( objref -- type ) drop T_Binary ;
M: quotation bson-type? ( quotation -- type ) drop T_Binary ;
M: byte-array bson-type? ( byte-array -- type ) drop T_Binary ;
: write-byte ( byte -- ) 1 >le write ; inline
: write-int32 ( int -- ) 4 >le write ; inline
: write-double ( real -- ) double>bits 8 >le write ; inline
: write-byte ( byte -- ) CHAR-SIZE >le write ; inline
: write-int32 ( int -- ) INT32-SIZE >le write ; inline
: write-double ( real -- ) double>bits INT64-SIZE >le write ; inline
: write-cstring ( string -- ) utf8 encode B{ 0 } append write ; inline
: write-longlong ( object -- ) 8 >le write ; inline
: write-longlong ( object -- ) INT64-SIZE >le write ; inline
: write-eoo ( -- ) T_EOO write-byte ; inline
: write-type ( obj -- obj ) [ bson-type? write-byte ] keep ; inline