1 ! Copyright (C) 2008, 2010 Slava Pestov.
2 ! See http://factorcode.org/license.txt for BSD license.
4 USING: accessors alien alien.c-types alien.data alien.syntax
5 byte-vectors combinators.short-circuit core-foundation
6 core-foundation.arrays core-foundation.data destructors fry
7 io.encodings.string io.encodings.utf8 kernel math math.order
8 parser sequences words ;
10 IN: core-foundation.strings
12 TYPEDEF: void* CFStringRef
14 TYPEDEF: int CFStringEncoding
15 CONSTANT: kCFStringEncodingMacRoman 0x0
16 CONSTANT: kCFStringEncodingWindowsLatin1 0x0500
17 CONSTANT: kCFStringEncodingISOLatin1 0x0201
18 CONSTANT: kCFStringEncodingNextStepLatin 0x0B01
19 CONSTANT: kCFStringEncodingASCII 0x0600
20 CONSTANT: kCFStringEncodingUnicode 0x0100
21 CONSTANT: kCFStringEncodingUTF8 0x08000100
22 CONSTANT: kCFStringEncodingNonLossyASCII 0x0BFF
23 CONSTANT: kCFStringEncodingUTF16 0x0100
24 CONSTANT: kCFStringEncodingUTF16BE 0x10000100
25 CONSTANT: kCFStringEncodingUTF16LE 0x14000100
26 CONSTANT: kCFStringEncodingUTF32 0x0c000100
27 CONSTANT: kCFStringEncodingUTF32BE 0x18000100
28 CONSTANT: kCFStringEncodingUTF32LE 0x1c000100
30 FUNCTION: CFStringRef CFStringCreateWithBytes (
34 CFStringEncoding encoding,
35 Boolean isExternalRepresentation
38 FUNCTION: CFIndex CFStringGetLength ( CFStringRef theString ) ;
40 FUNCTION: void CFStringGetCharacters ( void* theString, CFIndex start, CFIndex length, void* buffer ) ;
42 FUNCTION: Boolean CFStringGetCString (
43 CFStringRef theString,
46 CFStringEncoding encoding
49 FUNCTION: CFIndex CFStringGetBytes (
50 CFStringRef theString,
52 CFStringEncoding encoding,
54 Boolean isExternalRepresentation,
60 FUNCTION: CFStringRef CFStringCreateWithCString (
63 CFStringEncoding encoding
66 FUNCTION: CFStringRef CFCopyDescription ( CFTypeRef cf ) ;
67 FUNCTION: CFStringRef CFCopyTypeIDDescription ( CFTypeID type_id ) ;
69 : prepare-CFString ( string -- byte-array )
71 dup { [ 0x10ffff > ] [ 0xd800 0xdfff between? ] } 1||
75 : <CFString> ( string -- alien )
77 prepare-CFString dup length
78 kCFStringEncodingUTF8 f
79 CFStringCreateWithBytes
80 [ "CFStringCreateWithBytes failed" throw ] unless* ;
82 : CF>string ( alien -- string )
84 [ 0 swap <CFRange> kCFStringEncodingUTF8 0 f ] keep
85 4 * 1 + <byte-vector> [
86 underlying>> dup length
87 { CFIndex } [ CFStringGetBytes drop ] with-out-parameters
88 ] keep swap >>length utf8 decode ;
90 : CF>string-array ( alien -- seq )
91 CF>array [ CF>string ] map ;
93 : <CFStringArray> ( seq -- alien )
94 [ [ <CFString> &CFRelease ] map <CFArray> ] with-destructors ;
96 : CF>description ( cf -- description )
97 [ CFCopyDescription &CFRelease CF>string ] with-destructors ;
98 : CFType>description ( cf -- description )
99 CFGetTypeID [ CFCopyTypeIDDescription &CFRelease CF>string ] with-destructors ;
102 scan-new-word scan-object
103 [ drop ] [ '[ _ [ _ <CFString> ] initialize-alien ] ] 2bi
104 ( -- alien ) define-declared ;