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Public Member Functions | Static Public Member Functions | Protected Member Functions | Protected Attributes
CharacterStream Class Referenceabstract

#include <unicode.h>

Inheritance diagram for CharacterStream:
Inheritance graph
[legend]

Public Member Functions

uchar GetNext ()
 
bool has_more ()
 
virtual void Seek (unsigned)
 
unsigned Length ()
 
unsigned Utf16Length ()
 
virtual ~CharacterStream ()
 
virtual void Rewind ()=0
 

Static Public Member Functions

static bool EncodeCharacter (uchar c, byte *buffer, unsigned capacity, unsigned &offset)
 
static bool EncodeAsciiCharacter (uchar c, byte *buffer, unsigned capacity, unsigned &offset)
 
static bool EncodeNonAsciiCharacter (uchar c, byte *buffer, unsigned capacity, unsigned &offset)
 
static uchar DecodeCharacter (const byte *buffer, unsigned *offset)
 

Protected Member Functions

virtual void FillBuffer ()=0
 
virtual bool BoundsCheck (unsigned offset)=0
 

Protected Attributes

unsigned remaining_
 
unsigned cursor_
 
const byte * buffer_
 

Detailed Description

Definition at line 184 of file unicode.h.

Constructor & Destructor Documentation

virtual ~CharacterStream ( )
inlinevirtual

Definition at line 192 of file unicode.h.

Member Function Documentation

virtual bool BoundsCheck ( unsigned  offset)
protectedpure virtual

Implemented in InputBuffer< Reader, Input, kSize >, InputBuffer< String, String **, 256 >, InputBuffer< Utf8, Buffer< const char * >, s >, and InputBuffer< String, String *, 1024 >.

Referenced by CharacterStream::GetNext().

uchar DecodeCharacter ( const byte *  buffer,
unsigned *  offset 
)
inlinestatic

Definition at line 196 of file unicode-inl.h.

References IF_BIG, IF_LITTLE, and Utf8::kMaxOneByteChar.

Referenced by CharacterStream::GetNext().

bool EncodeAsciiCharacter ( uchar  c,
byte *  buffer,
unsigned  capacity,
unsigned &  offset 
)
inlinestatic

Definition at line 162 of file unicode-inl.h.

Referenced by CharacterStream::EncodeCharacter(), ExternalTwoByteString::ExternalTwoByteStringReadBlockIntoBuffer(), Utf8::ReadBlock(), and SeqTwoByteString::SeqTwoByteStringReadBlockIntoBuffer().

bool EncodeCharacter ( uchar  c,
byte *  buffer,
unsigned  capacity,
unsigned &  offset 
)
inlinestatic

Definition at line 187 of file unicode-inl.h.

References CharacterStream::EncodeAsciiCharacter(), CharacterStream::EncodeNonAsciiCharacter(), and Utf8::kMaxOneByteChar.

bool EncodeNonAsciiCharacter ( uchar  c,
byte *  buffer,
unsigned  capacity,
unsigned &  offset 
)
inlinestatic

Definition at line 170 of file unicode-inl.h.

References IF_BIG, and IF_LITTLE.

Referenced by CharacterStream::EncodeCharacter(), ExternalTwoByteString::ExternalTwoByteStringReadBlockIntoBuffer(), Utf8::ReadBlock(), and SeqTwoByteString::SeqTwoByteStringReadBlockIntoBuffer().

virtual void FillBuffer ( )
protectedpure virtual

Implemented in InputBuffer< Reader, Input, kSize >, InputBuffer< String, String **, 256 >, InputBuffer< Utf8, Buffer< const char * >, s >, and InputBuffer< String, String *, 1024 >.

Referenced by CharacterStream::GetNext().

uchar GetNext ( )
inline

Definition at line 140 of file unicode-inl.h.

References ASSERT, CharacterStream::BoundsCheck(), CharacterStream::buffer_, CharacterStream::cursor_, CharacterStream::DecodeCharacter(), CharacterStream::FillBuffer(), and CharacterStream::remaining_.

Referenced by Heap::AllocateInternalSymbol(), String::ComputeArrayIndex(), String::ComputeHashField(), CharacterStream::Length(), CodeGenerator::PrintCode(), StringStream::Put(), v8::internal::RUNTIME_FUNCTION(), CharacterStream::Seek(), String::StringShortPrint(), String::ToCString(), String::ToWideCString(), CharacterStream::Utf16Length(), String::WriteAscii(), and String::WriteUtf8().

bool has_more ( )
inline

Definition at line 187 of file unicode.h.

References CharacterStream::remaining_.

Referenced by Heap::AllocateInternalSymbol(), String::ComputeArrayIndex(), String::ComputeHashField(), CharacterStream::Length(), CodeGenerator::PrintCode(), StringStream::Put(), v8::internal::RUNTIME_FUNCTION(), String::ToCString(), String::ToWideCString(), and CharacterStream::Utf16Length().

unsigned Length ( )

Definition at line 332 of file unicode.cc.

References CharacterStream::GetNext(), CharacterStream::has_more(), and CharacterStream::Rewind().

virtual void Rewind ( )
pure virtual

Implemented in InputBuffer< Reader, Input, kSize >, InputBuffer< String, String **, 256 >, InputBuffer< Utf8, Buffer< const char * >, s >, and InputBuffer< String, String *, 1024 >.

Referenced by Heap::AllocateInternalSymbol(), CharacterStream::Length(), CharacterStream::Seek(), String::ToCString(), and CharacterStream::Utf16Length().

void Seek ( unsigned  position)
virtual

Reimplemented in SafeStringInputBuffer, StringInputBuffer, InputBuffer< Reader, Input, kSize >, InputBuffer< String, String **, 256 >, InputBuffer< Utf8, Buffer< const char * >, s >, and InputBuffer< String, String *, 1024 >.

Definition at line 352 of file unicode.cc.

References CharacterStream::GetNext(), and CharacterStream::Rewind().

Referenced by String::ToCString().

unsigned Utf16Length ( )

Definition at line 342 of file unicode.cc.

References CharacterStream::GetNext(), CharacterStream::has_more(), Utf16::kMaxNonSurrogateCharCode, and CharacterStream::Rewind().

Referenced by Heap::AllocateInternalSymbol(), and Utf8SymbolKey::Hash().

Field Documentation

const byte* buffer_
protected

Definition at line 210 of file unicode.h.

Referenced by InputBuffer< String, String *, 1024 >::BoundsCheck(), and CharacterStream::GetNext().

unsigned cursor_
protected

Definition at line 208 of file unicode.h.

Referenced by CharacterStream::GetNext().

unsigned remaining_
protected

Definition at line 206 of file unicode.h.

Referenced by CharacterStream::GetNext(), and CharacterStream::has_more().

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