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Implement stream-read on memory-streams. This allows alien>string to work with utf16 encoding

db4
Slava Pestov 2008-11-06 13:42:53 -06:00
parent 5a50046791
commit b7dc7296db
2 changed files with 12 additions and 2 deletions
basis
alien/strings
io/streams/memory

6
basis/alien/strings/strings-tests.factor
View File

@ -1,6 +1,6 @@
USING: alien.strings tools.test kernel libc
io.encodings.8-bit io.encodings.utf8 io.encodings.utf16
io.encodings.ascii alien ;
io.encodings.ascii alien io.encodings.string ;
IN: alien.strings.tests
[ "\u0000ff" ]
@ -28,3 +28,7 @@ unit-test
] unit-test
[ f ] [ f utf8 alien>string ] unit-test
[ "hello" ] [ "hello" utf16 encode utf16 decode ] unit-test
[ "hello" ] [ "hello" utf16 string>alien utf16 alien>string ] unit-test

8
basis/io/streams/memory/memory.factor
View File

@ -1,6 +1,6 @@
! Copyright (C) 2008 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: kernel accessors alien.accessors math io ;
USING: kernel accessors alien alien.c-types alien.accessors math io ;
IN: io.streams.memory
TUPLE: memory-stream alien index ;
@ -11,3 +11,9 @@ TUPLE: memory-stream alien index ;
M: memory-stream stream-read1
[ [ alien>> ] [ index>> ] bi alien-unsigned-1 ]
[ [ 1+ ] change-index drop ] bi ;
M: memory-stream stream-read
[
[ index>> ] [ alien>> ] bi <displaced-alien>
swap memory>byte-array
] [ [ + ] change-index drop ] 2bi ;