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Public Member Functions | Protected Member Functions | Protected Attributes | Static Protected Attributes
Utf16CharacterStream Class Referenceabstract

#include <scanner.h>

Inheritance diagram for Utf16CharacterStream:
Inheritance graph
[legend]

Public Member Functions

 Utf16CharacterStream ()
 
virtual ~Utf16CharacterStream ()
 
uc32 Advance ()
 
unsigned pos () const
 
unsigned SeekForward (unsigned code_unit_count)
 
virtual void PushBack (int32_t code_unit)=0
 

Protected Member Functions

virtual bool ReadBlock ()=0
 
virtual unsigned SlowSeekForward (unsigned code_unit_count)=0
 

Protected Attributes

const uc16 * buffer_cursor_
 
const uc16 * buffer_end_
 
unsigned pos_
 

Static Protected Attributes

static const uc32 kEndOfInput = -1
 

Detailed Description

Definition at line 80 of file scanner.h.

Constructor & Destructor Documentation

Utf16CharacterStream ( )
inline

Definition at line 82 of file scanner.h.

virtual ~Utf16CharacterStream ( )
inlinevirtual

Definition at line 83 of file scanner.h.

Member Function Documentation

uc32 Advance ( )
inline

Definition at line 88 of file scanner.h.

References Utf16CharacterStream::buffer_cursor_, Utf16CharacterStream::buffer_end_, Utf16CharacterStream::kEndOfInput, Utf16CharacterStream::pos_, and Utf16CharacterStream::ReadBlock().

Referenced by TEST(), and TestCharacterStream().

unsigned pos ( ) const
inline

Definition at line 104 of file scanner.h.

References Utf16CharacterStream::pos_.

Referenced by Scanner::SeekForward(), TEST(), and TestCharacterStream().

virtual void PushBack ( int32_t  code_unit)
pure virtual

Implemented in ExternalTwoByteStringUtf16CharacterStream, InputStreamUtf16Buffer, and BufferedUtf16CharacterStream.

virtual bool ReadBlock ( )
protectedpure virtual

Implemented in ExternalTwoByteStringUtf16CharacterStream, InputStreamUtf16Buffer, and BufferedUtf16CharacterStream.

Referenced by Utf16CharacterStream::Advance().

unsigned SeekForward ( unsigned  code_unit_count)
inline

Definition at line 110 of file scanner.h.

References Utf16CharacterStream::buffer_cursor_, Utf16CharacterStream::buffer_end_, Utf16CharacterStream::pos_, and Utf16CharacterStream::SlowSeekForward().

Referenced by Scanner::SeekForward(), TEST(), and TestCharacterStream().

virtual unsigned SlowSeekForward ( unsigned  code_unit_count)
protectedpure virtual

Implemented in InputStreamUtf16Buffer, ExternalTwoByteStringUtf16CharacterStream, and BufferedUtf16CharacterStream.

Referenced by Utf16CharacterStream::SeekForward().

Field Documentation

const uc16* buffer_cursor_
protected

Definition at line 137 of file scanner.h.

Referenced by Utf16CharacterStream::Advance(), BufferedUtf16CharacterStream::BufferedUtf16CharacterStream(), GenericStringUtf16CharacterStream::GenericStringUtf16CharacterStream(), InputStreamUtf16Buffer::InputStreamUtf16Buffer(), BufferedUtf16CharacterStream::PushBack(), InputStreamUtf16Buffer::PushBack(), ExternalTwoByteStringUtf16CharacterStream::PushBack(), BufferedUtf16CharacterStream::ReadBlock(), InputStreamUtf16Buffer::ReadBlock(), Utf16CharacterStream::SeekForward(), and BufferedUtf16CharacterStream::SlowPushBack().

const uc16* buffer_end_
protected

Definition at line 138 of file scanner.h.

Referenced by Utf16CharacterStream::Advance(), BufferedUtf16CharacterStream::BufferedUtf16CharacterStream(), GenericStringUtf16CharacterStream::GenericStringUtf16CharacterStream(), InputStreamUtf16Buffer::InputStreamUtf16Buffer(), InputStreamUtf16Buffer::PushBack(), BufferedUtf16CharacterStream::ReadBlock(), InputStreamUtf16Buffer::ReadBlock(), Utf16CharacterStream::SeekForward(), and BufferedUtf16CharacterStream::SlowPushBack().

const uc32 kEndOfInput = -1
staticprotected

Definition at line 128 of file scanner.h.

Referenced by Utf16CharacterStream::Advance(), BufferedUtf16CharacterStream::PushBack(), and InputStreamUtf16Buffer::PushBack().

unsigned pos_
protected

Definition at line 139 of file scanner.h.

Referenced by Utf16CharacterStream::Advance(), GenericStringUtf16CharacterStream::BufferSeekForward(), Utf8ToUtf16CharacterStream::BufferSeekForward(), GenericStringUtf16CharacterStream::GenericStringUtf16CharacterStream(), Utf16CharacterStream::pos(), BufferedUtf16CharacterStream::PushBack(), InputStreamUtf16Buffer::PushBack(), ExternalTwoByteStringUtf16CharacterStream::PushBack(), BufferedUtf16CharacterStream::ReadBlock(), Utf16CharacterStream::SeekForward(), and BufferedUtf16CharacterStream::SlowPushBack().

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