PTLib  Version 2.10.10
asnper.h
Go to the documentation of this file.
1 /*
2  * asnper.h
3  *
4  * Abstract Syntax Notation Encoding Rules classes
5  *
6  * Portable Windows Library
7  *
8  */
9 
10 #ifdef P_INCLUDE_PER
11 
12 
15 class PPER_Stream : public PASN_Stream
16 {
17  PCLASSINFO(PPER_Stream, PASN_Stream);
18  public:
19  PPER_Stream(int aligned = true);
20  PPER_Stream(const BYTE * buf, PINDEX size, PBoolean aligned = true);
21  PPER_Stream(const PBYTEArray & bytes, PBoolean aligned = true);
22 
23  PPER_Stream & operator=(const PBYTEArray & bytes);
24 
25  unsigned GetBitsLeft() const;
26 
27  virtual PBoolean Read(PChannel & chan);
28  virtual PBoolean Write(PChannel & chan);
29 
30  virtual PBoolean NullDecode(PASN_Null &);
31  virtual void NullEncode(const PASN_Null &);
33  virtual void BooleanEncode(const PASN_Boolean &);
35  virtual void IntegerEncode(const PASN_Integer &);
37  virtual void EnumerationEncode(const PASN_Enumeration &);
38  virtual PBoolean RealDecode(PASN_Real &);
39  virtual void RealEncode(const PASN_Real &);
41  virtual void ObjectIdEncode(const PASN_ObjectId &);
43  virtual void BitStringEncode(const PASN_BitString &);
45  virtual void OctetStringEncode(const PASN_OctetString &);
47  virtual void ConstrainedStringEncode(const PASN_ConstrainedString &);
49  virtual void BMPStringEncode(const PASN_BMPString &);
51  virtual void ChoiceEncode(const PASN_Choice &);
52  virtual PBoolean ArrayDecode(PASN_Array &);
53  virtual void ArrayEncode(const PASN_Array &);
55  virtual void SequencePreambleEncode(const PASN_Sequence &);
57  virtual void SequenceKnownEncode(const PASN_Sequence &, PINDEX, const PASN_Object &);
59  virtual void SequenceUnknownEncode(const PASN_Sequence &);
60 
61  PBoolean IsAligned() const { return aligned; }
62 
63  PBoolean SingleBitDecode();
64  void SingleBitEncode(PBoolean value);
65 
66  PBoolean MultiBitDecode(unsigned nBits, unsigned & value);
67  void MultiBitEncode(unsigned value, unsigned nBits);
68 
69  PBoolean SmallUnsignedDecode(unsigned & value);
70  void SmallUnsignedEncode(unsigned value);
71 
72  PBoolean LengthDecode(unsigned lower, unsigned upper, unsigned & len);
73  void LengthEncode(unsigned len, unsigned lower, unsigned upper);
74 
75  PBoolean UnsignedDecode(unsigned lower, unsigned upper, unsigned & value);
76  void UnsignedEncode(int value, unsigned lower, unsigned upper);
77 
78  void AnyTypeEncode(const PASN_Object * value);
79 
80  protected:
81  PBoolean aligned;
82 };
83 
84 #endif
85 
86 
87 // End Of File ///////////////////////////////////////////////////////////////
virtual void NullEncode(const PASN_Null &)=0
virtual void OctetStringEncode(const PASN_OctetString &)=0
Class for ASN Boolean type.
Definition: asner.h:206
virtual void ArrayEncode(const PASN_Array &)=0
virtual PBoolean ObjectIdDecode(PASN_ObjectId &)=0
#define PCLASSINFO(cls, par)
Declare all the standard PTLib class information.
Definition: object.h:1049
virtual void RealEncode(const PASN_Real &)=0
virtual void SequenceKnownEncode(const PASN_Sequence &, PINDEX, const PASN_Object &)=0
virtual void ConstrainedStringEncode(const PASN_ConstrainedString &)=0
virtual PBoolean NullDecode(PASN_Null &)=0
virtual PBoolean SequenceUnknownDecode(PASN_Sequence &)=0
PContainer & operator=(const PContainer &cont)
Assign one container reference to another.
Base class for ASN decoder/encoder stream.
Definition: asner.h:919
virtual void SequenceUnknownEncode(const PASN_Sequence &)=0
virtual PBoolean BooleanDecode(PASN_Boolean &)=0
virtual PBoolean SequencePreambleDecode(PASN_Sequence &)=0
virtual PBoolean BitStringDecode(PASN_BitString &)=0
virtual PBoolean OctetStringDecode(PASN_OctetString &)=0
virtual PBoolean ConstrainedStringDecode(PASN_ConstrainedString &)=0
Base class for ASN String types.
Definition: asner.h:510
BOOL PBoolean
Definition: object.h:102
Class for ASN BMP (16 bit) String type.
Definition: asner.h:579
Array of unsigned characters.
Definition: array.h:670
Class for ASN Sequence type.
Definition: asner.h:787
virtual void ObjectIdEncode(const PASN_ObjectId &)=0
virtual void EnumerationEncode(const PASN_Enumeration &)=0
virtual PBoolean BMPStringDecode(PASN_BMPString &)=0
virtual PBoolean RealDecode(PASN_Real &)=0
Abstract class defining I/O channel semantics.
Definition: channel.h:107
virtual void IntegerEncode(const PASN_Integer &)=0
virtual PBoolean ChoiceDecode(PASN_Choice &)=0
virtual PBoolean Write(PChannel &chan)=0
virtual PBoolean EnumerationDecode(PASN_Enumeration &)=0
virtual PBoolean ArrayDecode(PASN_Array &)=0
Class for ASN Enumerated type.
Definition: asner.h:274
virtual void BitStringEncode(const PASN_BitString &)=0
Class for ASN Choice type.
Definition: asner.h:677
virtual PBoolean SequenceKnownDecode(PASN_Sequence &, PINDEX, PASN_Object &)=0
virtual void BMPStringEncode(const PASN_BMPString &)=0
virtual PBoolean IntegerDecode(PASN_Integer &)=0
virtual void ChoiceEncode(const PASN_Choice &)=0
Class for ASN Null type.
Definition: asner.h:186
Class for ASN floating point type.
Definition: asner.h:329
Class for ASN Octet String type.
Definition: asner.h:458
Class for ASN Integer type.
Definition: asner.h:234
virtual void BooleanEncode(const PASN_Boolean &)=0
Class for ASN Object Identifier type.
Definition: asner.h:357
Class for ASN Array type.
Definition: asner.h:880
Class for ASN Bit String type.
Definition: asner.h:404
virtual void SequencePreambleEncode(const PASN_Sequence &)=0
virtual PBoolean Read(PChannel &chan)=0
Base class for ASN encoding/decoding.
Definition: asner.h:59