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asnper.h
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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 &);
32  virtual PBoolean BooleanDecode(PASN_Boolean &);
33  virtual void BooleanEncode(const PASN_Boolean &);
34  virtual PBoolean IntegerDecode(PASN_Integer &);
35  virtual void IntegerEncode(const PASN_Integer &);
36  virtual PBoolean EnumerationDecode(PASN_Enumeration &);
37  virtual void EnumerationEncode(const PASN_Enumeration &);
38  virtual PBoolean RealDecode(PASN_Real &);
39  virtual void RealEncode(const PASN_Real &);
40  virtual PBoolean ObjectIdDecode(PASN_ObjectId &);
41  virtual void ObjectIdEncode(const PASN_ObjectId &);
42  virtual PBoolean BitStringDecode(PASN_BitString &);
43  virtual void BitStringEncode(const PASN_BitString &);
44  virtual PBoolean OctetStringDecode(PASN_OctetString &);
45  virtual void OctetStringEncode(const PASN_OctetString &);
46  virtual PBoolean ConstrainedStringDecode(PASN_ConstrainedString &);
47  virtual void ConstrainedStringEncode(const PASN_ConstrainedString &);
48  virtual PBoolean BMPStringDecode(PASN_BMPString &);
49  virtual void BMPStringEncode(const PASN_BMPString &);
50  virtual PBoolean ChoiceDecode(PASN_Choice &);
51  virtual void ChoiceEncode(const PASN_Choice &);
52  virtual PBoolean ArrayDecode(PASN_Array &);
53  virtual void ArrayEncode(const PASN_Array &);
54  virtual PBoolean SequencePreambleDecode(PASN_Sequence &);
55  virtual void SequencePreambleEncode(const PASN_Sequence &);
56  virtual PBoolean SequenceKnownDecode(PASN_Sequence &, PINDEX, PASN_Object &);
57  virtual void SequenceKnownEncode(const PASN_Sequence &, PINDEX, const PASN_Object &);
58  virtual PBoolean SequenceUnknownDecode(PASN_Sequence &);
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 ///////////////////////////////////////////////////////////////
PCLASSINFO
#define PCLASSINFO(cls, par)
Declare all the standard PTLib class information.
Definition: object.h:2164
PBYTEArray
Array of unsigned characters.
Definition: array.h:605
PChannel
Abstract class defining I/O channel semantics.
Definition: channel.h:103
PBoolean
bool PBoolean
Definition: object.h:174