ConvertUTF.c File Reference

#include "clang/Basic/ConvertUTF.h"

Include dependency graph for ConvertUTF.c:

Go to the source code of this file.

Defines
#define	UNI_SUR_HIGH_START   (UTF32)0xD800
#define	UNI_SUR_HIGH_END   (UTF32)0xDBFF
#define	UNI_SUR_LOW_START   (UTF32)0xDC00
#define	UNI_SUR_LOW_END   (UTF32)0xDFFF
#define	false   0
#define	true   1
Functions
static Boolean	isLegalUTF8 (const UTF8 *source, int length)
Boolean	isLegalUTF8Sequence (const UTF8 *source, const UTF8 *sourceEnd)
ConversionResult	ConvertUTF8toUTF16 (const UTF8 **sourceStart, const UTF8 *sourceEnd, UTF16 **targetStart, UTF16 *targetEnd, ConversionFlags flags)
ConversionResult	ConvertUTF8toUTF32 (const UTF8 **sourceStart, const UTF8 *sourceEnd, UTF32 **targetStart, UTF32 *targetEnd, ConversionFlags flags)
Variables
static const int	halfShift = 10
static const UTF32	halfBase = 0x0010000UL
static const UTF32	halfMask = 0x3FFUL
static const char	trailingBytesForUTF8 [256]
static const UTF32	offsetsFromUTF8 [6]
static const UTF8	firstByteMark [7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC }

---

Define Documentation

#define false   0

Definition at line 64 of file ConvertUTF.c.

#define true   1

Definition at line 65 of file ConvertUTF.c.

#define UNI_SUR_HIGH_END   (UTF32)0xDBFF

Definition at line 61 of file ConvertUTF.c.

#define UNI_SUR_HIGH_START   (UTF32)0xD800

Definition at line 60 of file ConvertUTF.c.

Referenced by ConvertUTF8toUTF16(), and ConvertUTF8toUTF32().

#define UNI_SUR_LOW_END   (UTF32)0xDFFF

Definition at line 63 of file ConvertUTF.c.

Referenced by ConvertUTF8toUTF16(), and ConvertUTF8toUTF32().

#define UNI_SUR_LOW_START   (UTF32)0xDC00

Definition at line 62 of file ConvertUTF.c.

Referenced by ConvertUTF8toUTF16().

---

Function Documentation

ConversionResult ConvertUTF8toUTF16	(	const UTF8 **	sourceStart,
		const UTF8 *	sourceEnd,
		UTF16 **	targetStart,
		UTF16 *	targetEnd,
		ConversionFlags	flags
	)

Definition at line 398 of file ConvertUTF.c.

References conversionOK, halfBase, halfMask, halfShift, isLegalUTF8(), offsetsFromUTF8, sourceExhausted, sourceIllegal, strictConversion, targetExhausted, trailingBytesForUTF8, UNI_MAX_BMP, UNI_MAX_UTF16, UNI_REPLACEMENT_CHAR, UNI_SUR_HIGH_START, UNI_SUR_LOW_END, and UNI_SUR_LOW_START.

Referenced by GetConstantCFStringEntry().

ConversionResult ConvertUTF8toUTF32	(	const UTF8 **	sourceStart,
		const UTF8 *	sourceEnd,
		UTF32 **	targetStart,
		UTF32 *	targetEnd,
		ConversionFlags	flags
	)

Definition at line 471 of file ConvertUTF.c.

References conversionOK, isLegalUTF8(), offsetsFromUTF8, sourceExhausted, sourceIllegal, strictConversion, targetExhausted, trailingBytesForUTF8, UNI_MAX_LEGAL_UTF32, UNI_REPLACEMENT_CHAR, UNI_SUR_HIGH_START, and UNI_SUR_LOW_END.

Referenced by clang::CharLiteralParser::CharLiteralParser().

static Boolean isLegalUTF8	(	const UTF8 *	source,
		int	length
	)		[static]

Definition at line 357 of file ConvertUTF.c.

Referenced by ConvertUTF8toUTF16(), ConvertUTF8toUTF32(), and isLegalUTF8Sequence().

Boolean isLegalUTF8Sequence	(	const UTF8 *	source,
		const UTF8 *	sourceEnd
	)

Definition at line 388 of file ConvertUTF.c.

References isLegalUTF8(), and trailingBytesForUTF8.

---

Variable Documentation

const UTF8 firstByteMark[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC } [static]

Definition at line 102 of file ConvertUTF.c.

Referenced by EncodeUCNEscape().

const UTF32 halfBase = 0x0010000UL [static]

Definition at line 57 of file ConvertUTF.c.

Referenced by ConvertUTF8toUTF16().

const UTF32 halfMask = 0x3FFUL [static]

Definition at line 58 of file ConvertUTF.c.

Referenced by ConvertUTF8toUTF16().

const int halfShift = 10 [static]

Definition at line 55 of file ConvertUTF.c.

Referenced by ConvertUTF8toUTF16().

const UTF32 offsetsFromUTF8[6] [static]

Initial value:

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

Definition at line 92 of file ConvertUTF.c.

Referenced by ConvertUTF8toUTF16(), and ConvertUTF8toUTF32().

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
}

Definition at line 76 of file ConvertUTF.c.

Referenced by ConvertUTF8toUTF16(), ConvertUTF8toUTF32(), and isLegalUTF8Sequence().