factor/basis/core-foundation/arrays/arrays.factor

23 lines
763 B
Factor

! Copyright (C) 2008 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: alien.syntax kernel sequences ;
IN: core-foundation.arrays
TYPEDEF: void* CFArrayRef
FUNCTION: CFArrayRef CFArrayCreateMutable ( CFAllocatorRef allocator, CFIndex capacity, void* callbacks ) ;
FUNCTION: void* CFArrayGetValueAtIndex ( CFArrayRef array, CFIndex idx ) ;
FUNCTION: void CFArraySetValueAtIndex ( CFArrayRef array, CFIndex index, void* value ) ;
FUNCTION: CFIndex CFArrayGetCount ( CFArrayRef array ) ;
: CF>array ( alien -- array )
dup CFArrayGetCount [ CFArrayGetValueAtIndex ] with map ;
: <CFArray> ( seq -- alien )
[ f swap length f CFArrayCreateMutable ] keep
[ length ] keep
[ [ dupd ] dip CFArraySetValueAtIndex ] 2each ;