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

22 lines
785 B
Factor

! Copyright (C) 2008, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: alien.syntax kernel sequences fry ;
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 over length &: kCFTypeArrayCallBacks CFArrayCreateMutable
[ '[ [ _ ] 2dip swap CFArraySetValueAtIndex ] each-index ] keep ;