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core-foundation.strings: prevent creating CFString from characters in range 0xd800-0xdfff.

db4
John Benediktsson 2012-06-01 17:56:34 -07:00
parent d9e1f20286
commit 62bf4194c2
1 changed files with 7 additions and 5 deletions
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12
basis/core-foundation/strings/strings.factor
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@ -1,9 +1,11 @@
! Copyright (C) 2008, 2010 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: alien.c-types alien.data alien.syntax alien.strings
io.encodings.string kernel sequences byte-arrays
io.encodings.utf8 math core-foundation core-foundation.arrays
core-foundation.data destructors parser fry alien words ;
USING: alien alien.c-types alien.data alien.strings alien.syntax
byte-arrays combinators.short-circuit core-foundation
core-foundation.arrays core-foundation.data destructors fry
io.encodings.string io.encodings.utf8 kernel math math.order
parser sequences words ;
IN: core-foundation.strings
TYPEDEF: void* CFStringRef
@ -65,7 +67,7 @@ FUNCTION: CFStringRef CFCopyTypeIDDescription ( CFTypeID type_id ) ;
: prepare-CFString ( string -- byte-array )
[
dup 0x10ffff >
dup { [ 0x10ffff > ] [ 0xd800 0xdfff between? ] } 1||
[ drop 0xfffd ] when
] map utf8 encode ;