ASN1BERDecodeStream.h

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00001 /*
00002  * Copyright (c) 1997-2012 Objective Systems, Inc.
00003  *
00004  * This software is furnished under a license and may be used and copied
00005  * only in accordance with the terms of such license and with the
00006  * inclusion of the above copyright notice. This software or any other
00007  * copies thereof may not be provided or otherwise made available to any
00008  * other person. No title to and ownership of the software is hereby
00009  * transferred.
00010  *
00011  * The information in this software is subject to change without notice
00012  * and should not be construed as a commitment by Objective Systems, Inc.
00013  *
00014  * PROPRIETARY NOTICE
00015  *
00016  * This software is an unpublished work subject to a confidentiality agreement
00017  * and is protected by copyright and trade secret law.  Unauthorized copying,
00018  * redistribution or other use of this work is prohibited.
00019  *
00020  * The above notice of copyright on this source code product does not indicate
00021  * any actual or intended publication of such source code.
00022  *
00023  *****************************************************************************/
00024 
00030 #ifndef _ASN1BERDECODESTREAM_H_
00031 #define _ASN1BERDECODESTREAM_H_
00032 
00033 #include "rtsrc/asn1CppTypes.h"
00034 #include "rtxsrc/OSRTInputStreamIF.h"
00035 #include "rtbersrc/asn1berStream.h"
00036 
00049 class EXTERNBER ASN1BERDecodeStream : public ASN1MessageBuffer
00050 {
00051  protected:
00052    OSRTInputStreamIF* mpStream;
00053    OSBOOL mbOwnStream;
00054 
00055  public:
00060    ASN1BERDecodeStream (OSRTInputStreamIF& is);
00061 
00062    ASN1BERDecodeStream (OSRTInputStreamIF* pis, OSBOOL bOwnStream = TRUE);
00063 
00064    ~ASN1BERDecodeStream ();
00065 
00069    virtual void* getAppInfo () { return ASN1MessageBuffer::getAppInfo (); }
00070 
00077    virtual OSRTCtxtPtr getContext () {
00078       return ASN1MessageBuffer::getContext ();
00079    }
00080 
00087    virtual OSCTXT* getCtxtPtr () { return ASN1MessageBuffer::getCtxtPtr (); }
00088 
00096    virtual char* getErrorInfo () { return ASN1MessageBuffer::getErrorInfo (); }
00097 
00114    virtual char* getErrorInfo (char* pBuf, size_t& bufSize) {
00115       return ASN1MessageBuffer::getErrorInfo (pBuf, bufSize);
00116    }
00117 
00131    virtual int getStatus () const { return ASN1MessageBuffer::getStatus (); }
00132 
00137    virtual void printErrorInfo () { ASN1MessageBuffer::printErrorInfo (); }
00138 
00143    virtual void resetErrorInfo () { ASN1MessageBuffer::resetErrorInfo (); }
00144 
00148    virtual void setAppInfo (void* pAppInfo) {
00149       ASN1MessageBuffer::setAppInfo (pAppInfo);
00150    }
00151 
00157    virtual void setDiag (OSBOOL value=TRUE) {
00158       ASN1MessageBuffer::setDiag (value);
00159    }
00160 
00161 
00172    virtual int close () { return mpStream->close (); }
00173 
00182    virtual int flush () { return mpStream->flush (); }
00183 
00193    virtual int getPosition (size_t* ppos) {
00194       return mpStream->getPosition (ppos);
00195    }
00196 
00202    virtual OSBOOL isOpened () { return mpStream->isOpened (); }
00203 
00209    virtual size_t currentPos () { return mpStream->currentPos (); }
00210 
00220    virtual OSBOOL markSupported () {
00221       return TRUE;
00222    }
00223 
00239    int mark (size_t readAheadLimit) {
00240       return mpStream->mark (readAheadLimit);
00241    }
00242 
00255    virtual long read (OSOCTET* pDestBuf, size_t maxToRead) {
00256       return mpStream->read (pDestBuf, maxToRead);
00257    }
00258 
00270    virtual long readBlocking (OSOCTET* pDestBuf, size_t toReadBytes) {
00271       return mpStream->readBlocking (pDestBuf, toReadBytes);
00272    }
00273 
00283    int reset () { return mpStream->reset (); }
00284 
00295    virtual int setPosition (size_t pos) {
00296       return mpStream->setPosition (pos);
00297    }
00298 
00309    virtual int skip (size_t n) { return mpStream->skip (n); }
00310 
00320    ASN1BERDecodeStream& operator >> (ASN1CType& val);
00321 
00329    size_t byteIndex ();
00330 
00343    OSBOOL chkend (ASN1CCB& ccb);
00344 
00370    int decodeBigInt (const char*& pval, ASN1TagType tagging = ASN1EXPL,
00371                      int length = 0);
00372 
00410    int decodeBitStr (OSOCTET* pbits, OSUINT32& numbits,
00411                      ASN1TagType tagging = ASN1EXPL, int length = 0);
00412 
00437    int decodeBitStr (ASN1DynBitStr& val, ASN1TagType tagging = ASN1EXPL,
00438                      int length = 0);
00439 
00463    int decodeBMPStr (Asn116BitCharString& val, ASN1TagType tagging = ASN1EXPL,
00464                      int length = 0);
00465 
00489    int decodeBool (OSBOOL& val, ASN1TagType tagging = ASN1EXPL,
00490                    int length = 0);
00491 
00528    int decodeCharStr (const char*& pval, ASN1TagType tagging = ASN1EXPL,
00529                       ASN1TAG tag = 0, int length = 0);
00530 
00554    int decodeEnum (OSINT32& val, ASN1TagType tagging = ASN1EXPL,
00555                    int length = 0);
00556 
00565    int decodeEoc ();
00566 
00590    int decodeInt (OSINT32& val, ASN1TagType tagging = ASN1EXPL,
00591                   int length = 0);
00592 
00616    int decodeInt8 (OSINT8& val, ASN1TagType tagging = ASN1EXPL,
00617                    int length = 0);
00618 
00642    int decodeInt16 (OSINT16& val, ASN1TagType tagging = ASN1EXPL,
00643                     int length = 0);
00644 
00668    int decodeInt64 (OSINT64& val, ASN1TagType tagging = ASN1EXPL,
00669                     int length = 0);
00670 
00685    int decodeLength (OSINT32& length);
00686 
00702    int decodeNull (ASN1TagType tagging = ASN1EXPL);
00703 
00712    int decodeObj (ASN1CType& val);
00713 
00737    int decodeObjId (ASN1OBJID& val, ASN1TagType tagging = ASN1EXPL,
00738                     int length = 0);
00739 
00765    int decodeObjId64 (ASN1OID64& val, ASN1TagType tagging = ASN1EXPL,
00766                       int length = 0);
00767 
00805    int decodeOctStr (OSOCTET* pocts, OSUINT32& numocts,
00806                      ASN1TagType tagging = ASN1EXPL, int length = 0);
00807 
00832    int decodeOctStr (ASN1DynOctStr& val, ASN1TagType tagging = ASN1EXPL,
00833                      int length = 0);
00834 
00848    int decodeOpenType (ASN1OpenType& val);
00849 
00873    int decodeReal (OSREAL& val, ASN1TagType tagging = ASN1EXPL,
00874                    int length = 0);
00875 
00899    int decodeRelativeOID (ASN1OBJID& val, ASN1TagType tagging = ASN1EXPL,
00900                           int length = 0);
00901 
00913    int decodeTag (ASN1TAG& tag);
00914 
00932    int decodeTagAndLen (ASN1TAG& tag, OSINT32& len);
00933 
00958    int decodeUInt (OSUINT32& val, ASN1TagType tagging = ASN1EXPL,
00959                    int length = 0);
00960 
00985    int decodeUInt8 (OSUINT8& val, ASN1TagType tagging = ASN1EXPL,
00986                     int length = 0);
00987 
01012    int decodeUInt16 (OSUINT16& val, ASN1TagType tagging = ASN1EXPL,
01013                      int length = 0);
01014 
01039    int decodeUInt64 (OSUINT64& val, ASN1TagType tagging = ASN1EXPL,
01040                      int length = 0);
01041 
01065    int decodeUnivStr (Asn132BitCharString& val,
01066                       ASN1TagType tagging = ASN1EXPL,
01067                       int length = 0);
01068 
01079    int getTLVLength ();
01080 
01095    OSBOOL isA (int bufferType);
01096 
01115    int peekTagAndLen (ASN1TAG& tag, int& len);
01116 
01127    int readTLV (OSOCTET* pDestBuf, size_t bufsiz);
01128 
01129 } ;
01130 
01133 #endif /* _ASN1BERDECODESTREAM_H_ */
01134