Base class for ASN decoder/encoder stream. More...

#include <asner.h>

Inheritance diagram for PASN_Stream:

Public Member Functions
	PASN_Stream ()
	PASN_Stream (const PBYTEArray &bytes)
	PASN_Stream (const BYTE *buf, PINDEX size)
void	PrintOn (ostream &strm) const
	Output the contents of the object to the stream.
PINDEX	GetPosition () const
void	SetPosition (PINDEX newPos)
PBoolean	IsAtEnd ()
void	ResetDecoder ()
void	BeginEncoding ()
void	CompleteEncoding ()
virtual PBoolean	Read (PChannel &chan)=0
virtual PBoolean	Write (PChannel &chan)=0
virtual PBoolean	NullDecode (PASN_Null &)=0
virtual void	NullEncode (const PASN_Null &)=0
virtual PBoolean	BooleanDecode (PASN_Boolean &)=0
virtual void	BooleanEncode (const PASN_Boolean &)=0
virtual PBoolean	IntegerDecode (PASN_Integer &)=0
virtual void	IntegerEncode (const PASN_Integer &)=0
virtual PBoolean	EnumerationDecode (PASN_Enumeration &)=0
virtual void	EnumerationEncode (const PASN_Enumeration &)=0
virtual PBoolean	RealDecode (PASN_Real &)=0
virtual void	RealEncode (const PASN_Real &)=0
virtual PBoolean	ObjectIdDecode (PASN_ObjectId &)=0
virtual void	ObjectIdEncode (const PASN_ObjectId &)=0
virtual PBoolean	BitStringDecode (PASN_BitString &)=0
virtual void	BitStringEncode (const PASN_BitString &)=0
virtual PBoolean	OctetStringDecode (PASN_OctetString &)=0
virtual void	OctetStringEncode (const PASN_OctetString &)=0
virtual PBoolean	ConstrainedStringDecode (PASN_ConstrainedString &)=0
virtual void	ConstrainedStringEncode (const PASN_ConstrainedString &)=0
virtual PBoolean	BMPStringDecode (PASN_BMPString &)=0
virtual void	BMPStringEncode (const PASN_BMPString &)=0
virtual PBoolean	ChoiceDecode (PASN_Choice &)=0
virtual void	ChoiceEncode (const PASN_Choice &)=0
virtual PBoolean	ArrayDecode (PASN_Array &)=0
virtual void	ArrayEncode (const PASN_Array &)=0
virtual PBoolean	SequencePreambleDecode (PASN_Sequence &)=0
virtual void	SequencePreambleEncode (const PASN_Sequence &)=0
virtual PBoolean	SequenceKnownDecode (PASN_Sequence &, PINDEX, PASN_Object &)=0
virtual void	SequenceKnownEncode (const PASN_Sequence &, PINDEX, const PASN_Object &)=0
virtual PBoolean	SequenceUnknownDecode (PASN_Sequence &)=0
virtual void	SequenceUnknownEncode (const PASN_Sequence &)=0
BYTE	ByteDecode ()
void	ByteEncode (unsigned value)
unsigned	BlockDecode (BYTE *bufptr, unsigned nBytes)
void	BlockEncode (const BYTE *bufptr, PINDEX nBytes)
void	ByteAlign ()
Public Member Functions inherited from PBYTEArray
	PBYTEArray (PINDEX initialSize=0)
	Construct a new dynamic array of unsigned chars.
	PBYTEArray (BYTE const *buffer, PINDEX length, PBoolean dynamic=true)
	Construct a new dynamic array of unsigned chars.
Public Member Functions inherited from PBaseArray< T >
	PBaseArray (PINDEX initialSize=0)
	Construct a new dynamic array of elements of the specified type.
	PBaseArray (T const *buffer, PINDEX length, PBoolean dynamic=true)
	Construct a new dynamic array of elements of the specified type.
virtual PObject *	Clone () const
	Clone the object.
PBoolean	SetAt (PINDEX index, T val)
	Set the specific element in the array.
T	GetAt (PINDEX index) const
	Get a value from the array.
void	Attach (const T *buffer, PINDEX bufferSize)
	Attach a pointer to a static block to the base array type.
T *	GetPointer (PINDEX minSize=0)
	Get a pointer to the internal array and assure that it is of at least the specified size.
T	operator[] (PINDEX index) const
	Get a value from the array.
T &	operator[] (PINDEX index)
	Get a reference to value from the array.
	operator T const * () const
	Get a pointer to the internal array.
PBoolean	Concatenate (const PBaseArray &array)
	Concatenate one array to the end of this array.
Public Member Functions inherited from PAbstractArray
	PAbstractArray (PINDEX elementSizeInBytes, PINDEX initialSize=0)
	Create a new dynamic array of `initalSize` elements of `elementSizeInBytes` bytes each.
	PAbstractArray (PINDEX elementSizeInBytes, const void *buffer, PINDEX bufferSizeInElements, PBoolean dynamicAllocation)
	Create a new dynamic array of `bufferSizeInElements` elements of `elementSizeInBytes` bytes each.
virtual void	ReadFrom (istream &strm)
	Input the contents of the object from the stream.
virtual Comparison	Compare (const PObject &obj) const
	Get the relative rank of the two arrays.
virtual PBoolean	SetSize (PINDEX newSize)
	Set the size of the array in elements.
void	Attach (const void *buffer, PINDEX bufferSize)
	Attach a pointer to a static block to the base array type.
PBoolean	Concatenate (const PAbstractArray &array)
	Concatenate one array to the end of this array.
Public Member Functions inherited from PContainer
	PContainer (PINDEX initialSize=0)
	Create a new unique container.
	PContainer (const PContainer &cont)
	Create a new refernce to container.
PContainer &	operator= (const PContainer &cont)
	Assign one container reference to another.
virtual	~PContainer ()
	Destroy the container class.
virtual PINDEX	GetSize () const
	Get the current size of the container.
PBoolean	SetMinSize (PINDEX minSize)
	Set the minimum size of container.
virtual PBoolean	IsEmpty () const
	Determine if the container is empty.
PBoolean	IsUnique () const
	Determine if container is unique reference.
virtual PBoolean	MakeUnique ()
	Make this instance to be the one and only reference to the container contents.
Public Member Functions inherited from PObject
virtual	~PObject ()
virtual PINDEX	HashFunction () const
	This function yields a hash value required by the `PDictionary` class.
virtual Comparison	CompareObjectMemoryDirect (const PObject &obj) const
	Determine the byte wise comparison of two objects.
bool	operator== (const PObject &obj) const
	Compare the two objects.
bool	operator!= (const PObject &obj) const
	Compare the two objects.
bool	operator< (const PObject &obj) const
	Compare the two objects.
bool	operator> (const PObject &obj) const
	Compare the two objects.
bool	operator<= (const PObject &obj) const
	Compare the two objects.
bool	operator>= (const PObject &obj) const
	Compare the two objects.
virtual const char *	GetClass (unsigned ancestor=0) const
	Get the current dynamic type of the object instance.
PBoolean	IsClass (const char *cls) const
virtual PBoolean	InternalIsDescendant (const char *clsName) const
	Determine if the dynamic type of the current instance is a descendent of the specified class.

Protected Attributes
PINDEX	byteOffset
unsigned	bitOffset

Additional Inherited Members
Public Types inherited from PObject
enum	Comparison { LessThan = -1, EqualTo = 0, GreaterThan = 1 }
	Result of the comparison operation performed by the `Compare()` function. More...
Static Public Member Functions inherited from PObject
static Comparison	InternalCompareObjectMemoryDirect (const PObject obj1, const PObject obj2, PINDEX size)
	Internal function caled from CompareObjectMemoryDirect()
static const char *	Class ()
	Get the name of the class as a C string.
Protected Member Functions inherited from PBaseArray< T >
virtual void	PrintElementOn (ostream &stream, PINDEX index) const
	PBaseArray (PContainerReference &reference)
Friends inherited from PObject

Detailed Description

Base class for ASN decoder/encoder stream.

Constructor & Destructor Documentation

PASN_Stream::PASN_Stream ( )

PASN_Stream::PASN_Stream ( const PBYTEArray & bytes )

PASN_Stream::PASN_Stream	(	const BYTE *	buf,
		PINDEX	size
	)

Member Function Documentation

virtual PBoolean PASN_Stream::ArrayDecode ( PASN_Array & )

pure virtual

virtual void PASN_Stream::ArrayEncode ( const PASN_Array & )

pure virtual

void PASN_Stream::BeginEncoding ( )

virtual PBoolean PASN_Stream::BitStringDecode ( PASN_BitString & )

pure virtual

virtual void PASN_Stream::BitStringEncode ( const PASN_BitString & )

pure virtual

unsigned PASN_Stream::BlockDecode	(	BYTE *	bufptr,
		unsigned	nBytes
	)

void PASN_Stream::BlockEncode	(	const BYTE *	bufptr,
		PINDEX	nBytes
	)

virtual PBoolean PASN_Stream::BMPStringDecode ( PASN_BMPString & )

pure virtual

virtual void PASN_Stream::BMPStringEncode ( const PASN_BMPString & )

pure virtual

virtual PBoolean PASN_Stream::BooleanDecode ( PASN_Boolean & )

pure virtual

virtual void PASN_Stream::BooleanEncode ( const PASN_Boolean & )

pure virtual

void PASN_Stream::ByteAlign ( )

BYTE PASN_Stream::ByteDecode ( )

void PASN_Stream::ByteEncode ( unsigned value )

virtual PBoolean PASN_Stream::ChoiceDecode ( PASN_Choice & )

pure virtual

virtual void PASN_Stream::ChoiceEncode ( const PASN_Choice & )

pure virtual

void PASN_Stream::CompleteEncoding ( )

virtual PBoolean PASN_Stream::ConstrainedStringDecode ( PASN_ConstrainedString & )

pure virtual

virtual void PASN_Stream::ConstrainedStringEncode ( const PASN_ConstrainedString & )

pure virtual

virtual PBoolean PASN_Stream::EnumerationDecode ( PASN_Enumeration & )

pure virtual

virtual void PASN_Stream::EnumerationEncode ( const PASN_Enumeration & )

pure virtual

PINDEX PASN_Stream::GetPosition ( ) const

inline

References byteOffset.

virtual PBoolean PASN_Stream::IntegerDecode ( PASN_Integer & )

pure virtual

virtual void PASN_Stream::IntegerEncode ( const PASN_Integer & )

pure virtual

PBoolean PASN_Stream::IsAtEnd ( )

inline

References byteOffset, and PContainer::GetSize().

virtual PBoolean PASN_Stream::NullDecode ( PASN_Null & )

pure virtual

virtual void PASN_Stream::NullEncode ( const PASN_Null & )

pure virtual

virtual PBoolean PASN_Stream::ObjectIdDecode ( PASN_ObjectId & )

pure virtual

virtual void PASN_Stream::ObjectIdEncode ( const PASN_ObjectId & )

pure virtual

virtual PBoolean PASN_Stream::OctetStringDecode ( PASN_OctetString & )

pure virtual

virtual void PASN_Stream::OctetStringEncode ( const PASN_OctetString & )

pure virtual

void PASN_Stream::PrintOn ( ostream & strm ) const

virtual

Output the contents of the object to the stream.

The exact output is dependent on the exact semantics of the descendent class. This is primarily used by the standard operator<< function.

The default behaviour is to print the class name.

Reimplemented from PAbstractArray.

virtual PBoolean PASN_Stream::Read ( PChannel & chan )

pure virtual

virtual PBoolean PASN_Stream::RealDecode ( PASN_Real & )

pure virtual

virtual void PASN_Stream::RealEncode ( const PASN_Real & )

pure virtual

void PASN_Stream::ResetDecoder ( )

virtual PBoolean PASN_Stream::SequenceKnownDecode	(	PASN_Sequence &	,
		PINDEX	,
		PASN_Object &
	)

pure virtual

virtual void PASN_Stream::SequenceKnownEncode	(	const PASN_Sequence &	,
		PINDEX	,
		const PASN_Object &
	)

pure virtual

virtual PBoolean PASN_Stream::SequencePreambleDecode ( PASN_Sequence & )

pure virtual

virtual void PASN_Stream::SequencePreambleEncode ( const PASN_Sequence & )

pure virtual

virtual PBoolean PASN_Stream::SequenceUnknownDecode ( PASN_Sequence & )

pure virtual

virtual void PASN_Stream::SequenceUnknownEncode ( const PASN_Sequence & )

pure virtual

void PASN_Stream::SetPosition ( PINDEX newPos )

virtual PBoolean PASN_Stream::Write ( PChannel & chan )

pure virtual

Member Data Documentation

unsigned PASN_Stream::bitOffset

protected

PINDEX PASN_Stream::byteOffset

protected

Referenced by GetPosition(), and IsAtEnd().

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

asner.h

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation