utf.c File Reference

#include "utf.h"
#include <winpr/endian.h>

Macros
#define	UNI_SUR_HIGH_START   (DWORD)0xD800
#define	UNI_SUR_HIGH_END   (DWORD)0xDBFF
#define	UNI_SUR_LOW_START   (DWORD)0xDC00
#define	UNI_SUR_LOW_END   (DWORD)0xDFFF

Functions
ConversionResult	ConvertUTF32toUTF16 (const DWORD **sourceStart, const DWORD *sourceEnd, WCHAR **targetStart, WCHAR *targetEnd, ConversionFlags flags)
ConversionResult	ConvertUTF16toUTF32 (const WCHAR **sourceStart, const WCHAR *sourceEnd, DWORD **targetStart, DWORD *targetEnd, ConversionFlags flags)
ConversionResult	ConvertUTF16toUTF8 (const WCHAR **sourceStart, const WCHAR *sourceEnd, BYTE **targetStart, BYTE *te, ConversionFlags flags)
static BOOL	isLegalUTF8 (const BYTE *source, int length)
BOOL	isLegalUTF8Sequence (const BYTE *source, const BYTE *sourceEnd)
ConversionResult	ConvertUTF8toUTF16 (const BYTE **sourceStart, const BYTE *sourceEnd, WCHAR **targetStart, WCHAR *targetEnd, ConversionFlags flags)
ConversionResult	ConvertUTF32toUTF8 (const DWORD **sourceStart, const DWORD *sourceEnd, BYTE **targetStart, BYTE *targetEnd, ConversionFlags flags)
ConversionResult	ConvertUTF8toUTF32 (const BYTE **sourceStart, const BYTE *sourceEnd, DWORD **targetStart, DWORD *targetEnd, ConversionFlags flags)

Variables
static const int	halfShift = 10
static const DWORD	halfBase = 0x0010000UL
static const DWORD	halfMask = 0x3FFUL
static const char	trailingBytesForUTF8 [256]
static const DWORD	offsetsFromUTF8 [6]
static const BYTE	firstByteMark [7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC }

Macro Definition Documentation

UNI_SUR_HIGH_END

#define UNI_SUR_HIGH_END   (DWORD)0xDBFF

UNI_SUR_HIGH_START

#define UNI_SUR_HIGH_START   (DWORD)0xD800

UNI_SUR_LOW_END

#define UNI_SUR_LOW_END   (DWORD)0xDFFF

UNI_SUR_LOW_START

#define UNI_SUR_LOW_START   (DWORD)0xDC00

Function Documentation

ConvertUTF16toUTF32()

ConversionResult ConvertUTF16toUTF32	(	const WCHAR **	sourceStart,
		const WCHAR *	sourceEnd,
		DWORD **	targetStart,
		DWORD *	targetEnd,
		ConversionFlags	flags
	)

ConvertUTF16toUTF8()

ConversionResult ConvertUTF16toUTF8	(	const WCHAR **	sourceStart,
		const WCHAR *	sourceEnd,
		BYTE **	targetStart,
		BYTE *	te,
		ConversionFlags	flags
	)

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ConvertUTF32toUTF16()

ConversionResult ConvertUTF32toUTF16	(	const DWORD **	sourceStart,
		const DWORD *	sourceEnd,
		WCHAR **	targetStart,
		WCHAR *	targetEnd,
		ConversionFlags	flags
	)

ConvertUTF32toUTF8()

ConversionResult ConvertUTF32toUTF8	(	const DWORD **	sourceStart,
		const DWORD *	sourceEnd,
		BYTE **	targetStart,
		BYTE *	targetEnd,
		ConversionFlags	flags
	)

ConvertUTF8toUTF16()

ConversionResult ConvertUTF8toUTF16	(	const BYTE **	sourceStart,
		const BYTE *	sourceEnd,
		WCHAR **	targetStart,
		WCHAR *	targetEnd,
		ConversionFlags	flags
	)

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ConvertUTF8toUTF32()

ConversionResult ConvertUTF8toUTF32	(	const BYTE **	sourceStart,
		const BYTE *	sourceEnd,
		DWORD **	targetStart,
		DWORD *	targetEnd,
		ConversionFlags	flags
	)

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isLegalUTF8()

static BOOL isLegalUTF8 ( const BYTE *  source, int  length  )

static

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isLegalUTF8Sequence()

BOOL isLegalUTF8Sequence	(	const BYTE *	source,
		const BYTE *	sourceEnd
	)

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Variable Documentation

firstByteMark

const BYTE firstByteMark[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC }

static

halfBase

const DWORD halfBase = 0x0010000UL

static

halfMask

const DWORD halfMask = 0x3FFUL

static

halfShift

const int halfShift = 10

static

offsetsFromUTF8

const DWORD offsetsFromUTF8[6]

static

Initial value:

= { 0x00000000UL, 0x00003080UL, 0x000E2080UL,
                                              0x03C82080UL, 0xFA082080UL, 0x82082080UL }

trailingBytesForUTF8

const char trailingBytesForUTF8[256]

static

Initial value:

= {
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
        1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
        2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5
}