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Static Public Member Functions | Static Public Attributes
Utf8 Class Reference

#include <unicode.h>

Static Public Member Functions

static uchar Length (uchar chr, int previous)
 
static unsigned EncodeOneByte (char *out, uint8_t c)
 
static unsigned Encode (char *out, uchar c, int previous, bool replace_invalid=false)
 
static uchar CalculateValue (const byte *str, unsigned length, unsigned *cursor)
 
static uchar ValueOf (const byte *str, unsigned length, unsigned *cursor)
 

Static Public Attributes

static const uchar kBadChar = 0xFFFD
 
static const unsigned kMaxEncodedSize = 4
 
static const unsigned kMaxOneByteChar = 0x7f
 
static const unsigned kMaxTwoByteChar = 0x7ff
 
static const unsigned kMaxThreeByteChar = 0xffff
 
static const unsigned kMaxFourByteChar = 0x1fffff
 
static const unsigned kBytesSavedByCombiningSurrogates = 2
 
static const unsigned kSizeOfUnmatchedSurrogate = 3
 
static const unsigned kMax16BitCodeUnitSize = 3
 

Detailed Description

Definition at line 148 of file unicode.h.

Member Function Documentation

uchar CalculateValue ( const byte *  str,
unsigned  length,
unsigned *  cursor 
)
static

Definition at line 214 of file unicode.cc.

References Utf8::kBadChar, Utf8::kMaxFourByteChar, Utf8::kMaxOneByteChar, Utf8::kMaxThreeByteChar, and Utf8::kMaxTwoByteChar.

Referenced by Utf8ToUtf16CharacterStream::FillBuffer(), and Utf8::ValueOf().

unsigned Encode ( char *  out,
uchar  c,
int  previous,
bool  replace_invalid = false 
)
inlinestatic

Definition at line 114 of file unicode-inl.h.

References Utf16::CombineSurrogatePair(), Utf16::IsLeadSurrogate(), Utf16::IsSurrogatePair(), Utf16::IsTrailSurrogate(), Utf8::kBadChar, Utf8::kMaxOneByteChar, Utf8::kMaxThreeByteChar, Utf8::kMaxTwoByteChar, Utf16::kNoPreviousCharacter, and Utf8::kSizeOfUnmatchedSurrogate.

Referenced by CodeEventLogger::NameBuffer::AppendString(), TEST(), and String::ToCString().

unsigned EncodeOneByte ( char *  out,
uint8_t  c 
)
inlinestatic

Definition at line 99 of file unicode-inl.h.

References Utf8::kMaxOneByteChar.

unsigned Length ( uchar  chr,
int  previous 
)
inlinestatic

Definition at line 163 of file unicode-inl.h.

References Utf16::IsLeadSurrogate(), Utf16::IsTrailSurrogate(), Utf8::kBytesSavedByCombiningSurrogates, Utf8::kMaxOneByteChar, Utf8::kMaxThreeByteChar, Utf8::kMaxTwoByteChar, and Utf8::kSizeOfUnmatchedSurrogate.

Referenced by CodeEventLogger::NameBuffer::AppendString(), String::ToCString(), and Utf8LengthHelper::Visitor::VisitTwoByteString().

uchar ValueOf ( const byte *  str,
unsigned  length,
unsigned *  cursor 
)
inlinestatic

Definition at line 152 of file unicode-inl.h.

References Utf8::CalculateValue(), Utf8::kBadChar, and Utf8::kMaxOneByteChar.

Referenced by StringHasher::ComputeUtf8Hash(), String::IsUtf8EqualTo(), Utf8DecoderBase::Reset(), and Utf8DecoderBase::WriteUtf16Slow().

Field Documentation

const uchar kBadChar = 0xFFFD
static

Definition at line 162 of file unicode.h.

Referenced by Utf8::CalculateValue(), Utf8::Encode(), and Utf8::ValueOf().

const unsigned kBytesSavedByCombiningSurrogates = 2
static

Definition at line 171 of file unicode.h.

Referenced by Utf8::Length(), Utf8LengthHelper::MergeLeafLeft(), Utf8LengthHelper::MergeLeafRight(), and Utf8LengthHelper::MergeTerminal().

const unsigned kMax16BitCodeUnitSize = 3
static

Definition at line 175 of file unicode.h.

Referenced by String::WriteUtf8().

const unsigned kMaxEncodedSize = 4
static

Definition at line 163 of file unicode.h.

Referenced by String::IsUtf8EqualTo(), and Utf8DecoderBase::WriteUtf16Slow().

const unsigned kMaxFourByteChar = 0x1fffff
static

Definition at line 167 of file unicode.h.

Referenced by Utf8::CalculateValue().

const unsigned kMaxOneByteChar = 0x7f
static

Definition at line 164 of file unicode.h.

Referenced by CodeEventLogger::NameBuffer::AppendString(), Utf8::CalculateValue(), StringHasher::ComputeUtf8Hash(), Utf8::Encode(), Utf8::EncodeOneByte(), Utf8ToUtf16CharacterStream::FillBuffer(), Utf8::Length(), String::NonAsciiStart(), TEST(), and Utf8::ValueOf().

const unsigned kMaxThreeByteChar = 0xffff
static

Definition at line 166 of file unicode.h.

Referenced by Utf8::CalculateValue(), Utf8::Encode(), Utf8::Length(), and TEST().

const unsigned kMaxTwoByteChar = 0x7ff
static

Definition at line 165 of file unicode.h.

Referenced by Utf8::CalculateValue(), Utf8::Encode(), Utf8::Length(), and TEST().

const unsigned kSizeOfUnmatchedSurrogate = 3
static

Definition at line 172 of file unicode.h.

Referenced by Utf8::Encode(), and Utf8::Length().

The documentation for this class was generated from the following files: