95 lines
2.8 KiB
Factor
95 lines
2.8 KiB
Factor
! Copyright (C) 2008, 2010 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: alien.c-types alien.data alien.syntax alien.strings
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io.encodings.string kernel sequences byte-arrays
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io.encodings.utf8 math core-foundation core-foundation.arrays
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destructors parser fry alien words ;
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IN: core-foundation.strings
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TYPEDEF: void* CFStringRef
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TYPEDEF: int CFStringEncoding
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CONSTANT: kCFStringEncodingMacRoman HEX: 0
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CONSTANT: kCFStringEncodingWindowsLatin1 HEX: 0500
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CONSTANT: kCFStringEncodingISOLatin1 HEX: 0201
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CONSTANT: kCFStringEncodingNextStepLatin HEX: 0B01
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CONSTANT: kCFStringEncodingASCII HEX: 0600
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CONSTANT: kCFStringEncodingUnicode HEX: 0100
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CONSTANT: kCFStringEncodingUTF8 HEX: 08000100
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CONSTANT: kCFStringEncodingNonLossyASCII HEX: 0BFF
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CONSTANT: kCFStringEncodingUTF16 HEX: 0100
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CONSTANT: kCFStringEncodingUTF16BE HEX: 10000100
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CONSTANT: kCFStringEncodingUTF16LE HEX: 14000100
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CONSTANT: kCFStringEncodingUTF32 HEX: 0c000100
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CONSTANT: kCFStringEncodingUTF32BE HEX: 18000100
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CONSTANT: kCFStringEncodingUTF32LE HEX: 1c000100
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FUNCTION: CFStringRef CFStringCreateWithBytes (
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CFAllocatorRef alloc,
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UInt8* bytes,
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CFIndex numBytes,
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CFStringEncoding encoding,
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Boolean isExternalRepresentation
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) ;
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FUNCTION: CFIndex CFStringGetLength ( CFStringRef theString ) ;
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FUNCTION: void CFStringGetCharacters ( void* theString, CFIndex start, CFIndex length, void* buffer ) ;
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FUNCTION: Boolean CFStringGetCString (
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CFStringRef theString,
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UInt8* buffer,
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CFIndex bufferSize,
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CFStringEncoding encoding
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) ;
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FUNCTION: CFIndex CFStringGetBytes (
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CFStringRef theString,
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CFRange range,
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CFStringEncoding encoding,
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UInt8 lossByte,
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Boolean isExternalRepresentation,
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UInt8* buffer,
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CFIndex maxBufLen,
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CFIndex* usedBufLen
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) ;
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FUNCTION: CFStringRef CFStringCreateWithCString (
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CFAllocatorRef alloc,
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UInt8* cStr,
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CFStringEncoding encoding
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) ;
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: prepare-CFString ( string -- byte-array )
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[
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dup HEX: 10ffff >
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[ drop HEX: fffd ] when
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] map utf8 encode ;
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: <CFString> ( string -- alien )
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[ f ] dip
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prepare-CFString dup length
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kCFStringEncodingUTF8 f
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CFStringCreateWithBytes
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[ "CFStringCreateWithBytes failed" throw ] unless* ;
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: CF>string ( alien -- string )
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dup CFStringGetLength
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[ 0 swap <CFRange> kCFStringEncodingUTF8 0 f ] keep
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4 * 1 + <byte-array> [
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dup length
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{ CFIndex } [ CFStringGetBytes drop ] with-out-parameters
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] keep
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swap head-slice utf8 decode ;
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: CF>string-array ( alien -- seq )
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CF>array [ CF>string ] map ;
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: <CFStringArray> ( seq -- alien )
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[ [ <CFString> &CFRelease ] map <CFArray> ] with-destructors ;
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SYNTAX: CFSTRING:
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CREATE scan-object
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[ drop ] [ '[ _ [ _ <CFString> ] initialize-alien ] ] 2bi
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(( -- alien )) define-declared ;
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