antlr3-isLegalUTF8 (3) - Linux Manuals

NAME

src/antlr3convertutf.c -

SYNOPSIS

#include 'antlr3convertutf.h'

Defines

#define false 0

#define true 1

#define UNI_SUR_HIGH_END (UTF32)0xDBFF

#define UNI_SUR_HIGH_START (UTF32)0xD800

#define UNI_SUR_LOW_END (UTF32)0xDFFF

#define UNI_SUR_LOW_START (UTF32)0xDC00

Functions

ConversionResult ConvertUTF16toUTF32 (const UTF16 **sourceStart, const UTF16 *sourceEnd, UTF32 **targetStart, UTF32 *targetEnd, ConversionFlags flags)

ConversionResult ConvertUTF16toUTF8 (const UTF16 **sourceStart, const UTF16 *sourceEnd, UTF8 **targetStart, UTF8 *targetEnd, ConversionFlags flags)

ConversionResult ConvertUTF32toUTF16 (const UTF32 **sourceStart, const UTF32 *sourceEnd, UTF16 **targetStart, UTF16 *targetEnd, ConversionFlags flags)

ConversionResult ConvertUTF32toUTF8 (const UTF32 **sourceStart, const UTF32 *sourceEnd, UTF8 **targetStart, UTF8 *targetEnd, ConversionFlags flags)

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)

static ANTLR3_BOOLEAN isLegalUTF8 (const UTF8 *source, int length)

ANTLR3_BOOLEAN isLegalUTF8Sequence (const UTF8 *source, const UTF8 *sourceEnd)

Variables

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

static const UTF32 halfBase = 0x0010000UL

static const UTF32 halfMask = 0x3FFUL

static const int halfShift = 10

static const UTF32 offsetsFromUTF8 [6]

static const char trailingBytesForUTF8 [256]

Define Documentation

#define false 0

#define true 1

#define UNI_SUR_HIGH_END (UTF32)0xDBFF

Referenced by ConvertUTF16toUTF32(), and ConvertUTF16toUTF8().

#define UNI_SUR_HIGH_START (UTF32)0xD800

Referenced by ConvertUTF16toUTF32(), ConvertUTF16toUTF8(), ConvertUTF32toUTF16(), ConvertUTF32toUTF8(), ConvertUTF8toUTF16(), and ConvertUTF8toUTF32().

#define UNI_SUR_LOW_END (UTF32)0xDFFF

Referenced by ConvertUTF16toUTF32(), ConvertUTF16toUTF8(), ConvertUTF32toUTF16(), ConvertUTF32toUTF8(), ConvertUTF8toUTF16(), and ConvertUTF8toUTF32().

#define UNI_SUR_LOW_START (UTF32)0xDC00

Referenced by ConvertUTF16toUTF32(), ConvertUTF16toUTF8(), ConvertUTF32toUTF16(), and ConvertUTF8toUTF16().

Function Documentation

ConversionResult ConvertUTF16toUTF32 (const UTF16 ** sourceStart, const UTF16 * sourceEnd, UTF32 ** targetStart, UTF32 * targetEnd, ConversionFlags flags)

References ANTLR3_FPRINTF, conversionOK, halfBase, halfShift, sourceExhausted, sourceIllegal, strictConversion, targetExhausted, UNI_SUR_HIGH_END, UNI_SUR_HIGH_START, UNI_SUR_LOW_END, and UNI_SUR_LOW_START.

ConversionResult ConvertUTF16toUTF8 (const UTF16 ** sourceStart, const UTF16 * sourceEnd, UTF8 ** targetStart, UTF8 * targetEnd, ConversionFlags flags)

References conversionOK, firstByteMark, halfBase, halfShift, sourceExhausted, sourceIllegal, strictConversion, targetExhausted, UNI_REPLACEMENT_CHAR, UNI_SUR_HIGH_END, UNI_SUR_HIGH_START, UNI_SUR_LOW_END, and UNI_SUR_LOW_START.

Referenced by toUTF8_16().

ConversionResult ConvertUTF32toUTF16 (const UTF32 ** sourceStart, const UTF32 * sourceEnd, UTF16 ** targetStart, UTF16 * targetEnd, ConversionFlags flags)

References conversionOK, halfBase, halfMask, halfShift, sourceIllegal, strictConversion, targetExhausted, UNI_MAX_BMP, UNI_MAX_LEGAL_UTF32, UNI_REPLACEMENT_CHAR, UNI_SUR_HIGH_START, UNI_SUR_LOW_END, and UNI_SUR_LOW_START.

ConversionResult ConvertUTF32toUTF8 (const UTF32 ** sourceStart, const UTF32 * sourceEnd, UTF8 ** targetStart, UTF8 * targetEnd, ConversionFlags flags)

References conversionOK, firstByteMark, sourceIllegal, strictConversion, targetExhausted, UNI_MAX_LEGAL_UTF32, UNI_REPLACEMENT_CHAR, UNI_SUR_HIGH_START, and UNI_SUR_LOW_END.

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

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.

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

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.

static ANTLR3_BOOLEAN isLegalUTF8 (const UTF8 * source, int length) [static]

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

ANTLR3_BOOLEAN isLegalUTF8Sequence (const UTF8 * source, const UTF8 * sourceEnd)

References isLegalUTF8(), and trailingBytesForUTF8.

Variable Documentation

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

Referenced by ConvertUTF16toUTF8(), and ConvertUTF32toUTF8().

const UTF32 halfBase = 0x0010000UL [static]

Referenced by ConvertUTF16toUTF32(), ConvertUTF16toUTF8(), ConvertUTF32toUTF16(), and ConvertUTF8toUTF16().

const UTF32 halfMask = 0x3FFUL [static]

Referenced by ConvertUTF32toUTF16(), and ConvertUTF8toUTF16().

const int halfShift = 10 [static]

Referenced by ConvertUTF16toUTF32(), ConvertUTF16toUTF8(), ConvertUTF32toUTF16(), and ConvertUTF8toUTF16().

const UTF32 offsetsFromUTF8[6] [static]Initial value:

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

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
}

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

Author

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