factor/basis/core-foundation/strings/strings.factor

105 lines
3.2 KiB
Factor

! Copyright (C) 2008, 2010 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
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
TYPEDEF: int CFStringEncoding
CONSTANT: kCFStringEncodingMacRoman 0x0
CONSTANT: kCFStringEncodingWindowsLatin1 0x0500
CONSTANT: kCFStringEncodingISOLatin1 0x0201
CONSTANT: kCFStringEncodingNextStepLatin 0x0B01
CONSTANT: kCFStringEncodingASCII 0x0600
CONSTANT: kCFStringEncodingUnicode 0x0100
CONSTANT: kCFStringEncodingUTF8 0x08000100
CONSTANT: kCFStringEncodingNonLossyASCII 0x0BFF
CONSTANT: kCFStringEncodingUTF16 0x0100
CONSTANT: kCFStringEncodingUTF16BE 0x10000100
CONSTANT: kCFStringEncodingUTF16LE 0x14000100
CONSTANT: kCFStringEncodingUTF32 0x0c000100
CONSTANT: kCFStringEncodingUTF32BE 0x18000100
CONSTANT: kCFStringEncodingUTF32LE 0x1c000100
FUNCTION: CFStringRef CFStringCreateWithBytes (
CFAllocatorRef alloc,
UInt8* bytes,
CFIndex numBytes,
CFStringEncoding encoding,
Boolean isExternalRepresentation
) ;
FUNCTION: CFIndex CFStringGetLength ( CFStringRef theString ) ;
FUNCTION: void CFStringGetCharacters ( void* theString, CFIndex start, CFIndex length, void* buffer ) ;
FUNCTION: Boolean CFStringGetCString (
CFStringRef theString,
UInt8* buffer,
CFIndex bufferSize,
CFStringEncoding encoding
) ;
FUNCTION: CFIndex CFStringGetBytes (
CFStringRef theString,
CFRange range,
CFStringEncoding encoding,
UInt8 lossByte,
Boolean isExternalRepresentation,
UInt8* buffer,
CFIndex maxBufLen,
CFIndex* usedBufLen
) ;
FUNCTION: CFStringRef CFStringCreateWithCString (
CFAllocatorRef alloc,
UInt8* cStr,
CFStringEncoding encoding
) ;
FUNCTION: CFStringRef CFCopyDescription ( CFTypeRef cf ) ;
FUNCTION: CFStringRef CFCopyTypeIDDescription ( CFTypeID type_id ) ;
: prepare-CFString ( string -- byte-array )
[
dup { [ 0x10ffff > ] [ 0xd800 0xdfff between? ] } 1||
[ drop 0xfffd ] when
] map! utf8 encode ;
: <CFString> ( string -- alien )
[ f ] dip
prepare-CFString dup length
kCFStringEncodingUTF8 f
CFStringCreateWithBytes
[ "CFStringCreateWithBytes failed" throw ] unless* ;
: CF>string ( alien -- string )
dup CFStringGetLength
[ 0 swap <CFRange> kCFStringEncodingUTF8 0 f ] keep
4 * 1 + <byte-array> [
dup length
{ CFIndex } [ CFStringGetBytes drop ] with-out-parameters
] keep
swap head-slice utf8 decode ;
: CF>string-array ( alien -- seq )
CF>array [ CF>string ] map ;
: <CFStringArray> ( seq -- alien )
[ [ <CFString> &CFRelease ] map <CFArray> ] with-destructors ;
: CF>description ( cf -- description )
[ CFCopyDescription &CFRelease CF>string ] with-destructors ;
: CFType>description ( cf -- description )
CFGetTypeID [ CFCopyTypeIDDescription &CFRelease CF>string ] with-destructors ;
SYNTAX: CFSTRING:
scan-new-word scan-object
[ drop ] [ '[ _ [ _ <CFString> ] initialize-alien ] ] 2bi
( -- alien ) define-declared ;