ANTLR3C  3.1.2
Defines | Functions | Variables
antlr3convertutf.c File Reference
#include "antlr3convertutf.h"
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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().

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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.

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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.

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

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

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

References isLegalUTF8(), and trailingBytesForUTF8.

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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().