PASN_ConstrainedObject Class Reference

Base class for constrained ASN encoding/decoding. More...

#include <asner.h>

Inheritance diagram for PASN_ConstrainedObject:

Public Member Functions
PBoolean	IsConstrained () const
int	GetLowerLimit () const
unsigned	GetUpperLimit () const
PBoolean	ConstrainedLengthDecode (PPER_Stream &strm, unsigned &length)
void	ConstrainedLengthEncode (PPER_Stream &strm, unsigned length) const
PBoolean	ConstraintEncode (PPER_Stream &strm, unsigned value) const
Public Member Functions inherited from PASN_Object
virtual PString	GetTypeAsString () const =0
	Return a string giving the type of the object.
PINDEX	GetObjectLength () const
virtual PINDEX	GetDataLength () const =0
virtual PBoolean	IsPrimitive () const
virtual PBoolean	Decode (PASN_Stream &)=0
virtual void	Encode (PASN_Stream &) const =0
PBoolean	IsExtendable () const
void	SetExtendable (PBoolean ext=true)
TagClass	GetTagClass () const
unsigned	GetTag () const
virtual void	SetTag (unsigned newTag, TagClass tagClass=DefaultTagClass)
void	SetConstraints (ConstraintType type, int value)
void	SetConstraints (ConstraintType, int lower, MaximumValueTag)
void	SetConstraints (ConstraintType, MinimumValueTag lower, unsigned upper)
void	SetConstraints (ConstraintType, MinimumValueTag lower, MaximumValueTag upper)
void	SetConstraints (ConstraintType type, int lower, unsigned upper)
virtual void	SetCharacterSet (ConstraintType ctype, const char *charSet)
virtual void	SetCharacterSet (ConstraintType ctype, unsigned firstChar, unsigned lastChar)
Public Member Functions inherited from PObject
virtual	~PObject ()
virtual PObject *	Clone () const
	Create a copy of the class on the heap.
virtual PINDEX	HashFunction () const
	This function yields a hash value required by the PDictionary class.
virtual Comparison	Compare (const PObject &obj) const
	Compare the two objects and return their relative rank.
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.
virtual void	PrintOn (ostream &strm) const
	Output the contents of the object to the stream.
virtual void	ReadFrom (istream &strm)
	Input the contents of the object from the stream.

Protected Member Functions
virtual void	SetConstraintBounds (ConstraintType type, int lower, unsigned upper)
	PASN_ConstrainedObject (unsigned tag, TagClass tagClass)
Protected Member Functions inherited from PASN_Object
	PASN_Object (unsigned tag, TagClass tagClass, PBoolean extend=false)
Protected Member Functions inherited from PObject
	PObject ()
	Constructor for PObject, made protected so cannot ever create one on its own.

Protected Attributes
ConstraintType	constraint
int	lowerLimit
unsigned	upperLimit
Protected Attributes inherited from PASN_Object
PBoolean	extendable
	PER extension capability.
TagClass	tagClass
	BER tag class.
unsigned	tag
	ASN object tag.

Additional Inherited Members
Public Types inherited from PASN_Object
enum	TagClass {   UniversalTagClass, ApplicationTagClass, ContextSpecificTagClass, PrivateTagClass,   DefaultTagClass }
enum	UniversalTags {   InvalidUniversalTag, UniversalBoolean, UniversalInteger, UniversalBitString,   UniversalOctetString, UniversalNull, UniversalObjectId, UniversalObjectDescriptor,   UniversalExternalType, UniversalReal, UniversalEnumeration, UniversalEmbeddedPDV,   UniversalSequence = 16, UniversalSet, UniversalNumericString, UniversalPrintableString,   UniversalTeletexString, UniversalVideotexString, UniversalIA5String, UniversalUTCTime,   UniversalGeneralisedTime, UniversalGeneralizedTime = UniversalGeneralisedTime, UniversalGraphicString, UniversalVisibleString,   UniversalGeneralString, UniversalUniversalString, UniversalBMPString = 30 }
enum	ConstraintType { Unconstrained, PartiallyConstrained, FixedConstraint, ExtendableConstraint }
enum	MinimumValueTag { MinimumValue = INT_MIN }
enum	MaximumValueTag { MaximumValue = INT_MAX }
Static Public Member Functions inherited from PASN_Object
static PINDEX	GetMaximumArraySize ()
static void	SetMaximumArraySize (PINDEX sz)
static PINDEX	GetMaximumStringSize ()
static void	SetMaximumStringSize (PINDEX sz)
Friends inherited from PObject

Detailed Description

Base class for constrained ASN encoding/decoding.

Constructor & Destructor Documentation

PASN_ConstrainedObject::PASN_ConstrainedObject ( unsigned  tag, TagClass  tagClass  )

protected

Member Function Documentation

PBoolean PASN_ConstrainedObject::ConstrainedLengthDecode	(	PPER_Stream &	strm,
		unsigned &	length
	)

void PASN_ConstrainedObject::ConstrainedLengthEncode	(	PPER_Stream &	strm,
		unsigned	length
	)		const

PBoolean PASN_ConstrainedObject::ConstraintEncode	(	PPER_Stream &	strm,
		unsigned	value
	)		const

int PASN_ConstrainedObject::GetLowerLimit ( ) const

inline

References lowerLimit.

unsigned PASN_ConstrainedObject::GetUpperLimit ( ) const

inline

References upperLimit.

PBoolean PASN_ConstrainedObject::IsConstrained ( ) const

inline

References constraint, and PASN_Object::Unconstrained.

virtual void PASN_ConstrainedObject::SetConstraintBounds ( ConstraintType  type, int  lower, unsigned  upper  )

protectedvirtual

Reimplemented from PASN_Object.

Reimplemented in PASN_Array, PASN_ConstrainedString, PASN_OctetString, PASN_BitString, and PASN_Integer.

Member Data Documentation

ConstraintType PASN_ConstrainedObject::constraint

protected

Referenced by IsConstrained().

int PASN_ConstrainedObject::lowerLimit

protected

Referenced by GetLowerLimit().

unsigned PASN_ConstrainedObject::upperLimit

protected

Referenced by GetUpperLimit().

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

• asner.h