messagingappbase/obexmtms/obexmtm/obexutil/source/obexinternalutils.cpp
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     1 // Copyright (c) 2001-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 // $Workfile: obexinternalutils.cpp $
       
    15 // $Author: Stevep $
       
    16 // $Revision: 3 $
       
    17 // $Date: 19/11/01 15:55 $
       
    18 // 
       
    19 //
       
    20 
       
    21 //class include
       
    22 #include <obexinternalutils.h>
       
    23 
       
    24 //system includes
       
    25 #include <s32strm.h> //RReadStream, RWriteStream
       
    26 
       
    27 EXPORT_C void ObexInternalUtils::InternalizeL(HBufC*& aBuf, RReadStream& aStream)
       
    28 /**
       
    29  * Internalizes a HBufC from a stream.
       
    30  *
       
    31  * @param aBuf The HBufC to be internalized
       
    32  * @param aStream The stream to be read from
       
    33  * @leave KErrXXX Leaves with standard EPOC stream and memory allocation leave codes
       
    34  */
       
    35     {
       
    36     TInt length = aStream.ReadInt32L();
       
    37     delete aBuf;
       
    38     aBuf = NULL;
       
    39     aBuf = HBufC::NewL(aStream, length);
       
    40     }
       
    41 
       
    42 EXPORT_C void ObexInternalUtils::ExternalizeL(const HBufC* aBuf, RWriteStream& aStream)
       
    43 /**
       
    44  * Externalizes a HBufC to a stream.
       
    45  *
       
    46  * @param aBuf The HBufC to be externalized
       
    47  * @param aStream The stream to be written to
       
    48  * @leave KErrXXX Leaves with standard EPOC stream leave codes
       
    49  */
       
    50     {
       
    51     aStream.WriteInt32L(aBuf->Length());
       
    52     aStream << *aBuf;
       
    53     }
       
    54 
       
    55 
       
    56 EXPORT_C void ObexInternalUtils::InternalizeL(HBufC8*& aBuf, RReadStream& aStream)
       
    57 /**
       
    58  * Internalizes a HBufC8 from a stream.
       
    59  *
       
    60  * @param aBuf The HBufC8 to be internalized
       
    61  * @param aStream The stream to be read from
       
    62  * @leave KErrXXX Leaves with standard EPOC stream and memory allocation leave codes
       
    63  */
       
    64     {
       
    65     TInt length = aStream.ReadInt32L();
       
    66     delete aBuf;
       
    67     aBuf = NULL;
       
    68     aBuf = HBufC8::NewL(aStream, length);
       
    69     }
       
    70 
       
    71 EXPORT_C void ObexInternalUtils::ExternalizeL(const HBufC8* aBuf, RWriteStream& aStream)
       
    72 /**
       
    73  * Externalizes a HBufC8 to a stream.
       
    74  *
       
    75  * @param aBuf The HBufC8 to be externalized
       
    76  * @param aStream The stream to be written to
       
    77  * @leave KErrXXX Leaves with standard EPOC stream leave codes
       
    78  */
       
    79     {
       
    80     aStream.WriteInt32L(aBuf->Length());
       
    81     aStream << *aBuf;
       
    82     }
       
    83 
       
    84 
       
    85 EXPORT_C void ObexInternalUtils::InternalizeL(TDes& aDes, RReadStream& aStream)
       
    86 /**
       
    87  * Internalizes a TDes from a stream.
       
    88  *
       
    89  * @param aDes The TDes to be internalized
       
    90  * @param aStream The stream to be read from
       
    91  * @leave KErrXXX Leaves with standard EPOC stream and memory allocation leave codes
       
    92  * @leave KErrOverflow if the incoming data is too big for the TBuf provided
       
    93  */
       
    94     {
       
    95 	//read a HBufC from the stream
       
    96     TInt length = aStream.ReadInt32L();
       
    97  	HBufC* buf = HBufC::NewL(aStream, length);
       
    98 	CleanupStack::PushL(buf);
       
    99 
       
   100 	//check it'll fit into aBuf
       
   101 	if (length <= aDes.MaxLength())
       
   102 		{
       
   103 		//copy it into aDes
       
   104 		aDes.Copy(*buf);
       
   105 		}
       
   106 	else
       
   107 		{
       
   108 		//Doesn't fit so leave
       
   109 		User::Leave(KErrOverflow);
       
   110 		}
       
   111 
       
   112 	CleanupStack::PopAndDestroy();	//buf
       
   113 	}
       
   114 
       
   115 EXPORT_C void ObexInternalUtils::ExternalizeL(const TDes& aDes, RWriteStream& aStream)
       
   116 /**
       
   117  * Externalizes a TDes to a stream.
       
   118  *
       
   119  * @param aBuf The TDes to be externalized
       
   120  * @param aStream The stream to be written to
       
   121  * @leave KErrXXX Leaves with standard EPOC stream leave codes
       
   122  */
       
   123     {
       
   124     aStream.WriteInt32L(aDes.Length());
       
   125     aStream << aDes;
       
   126     }
       
   127 
       
   128 
       
   129 EXPORT_C void ObexInternalUtils::InternalizeL(TDes8& aDes, RReadStream& aStream)
       
   130 /**
       
   131  * Internalizes a TDes8 from a stream.
       
   132  *
       
   133  * @param aBuf The TDes8 to be internalized
       
   134  * @param aStream The stream to be read from
       
   135  * @leave KErrXXX Leaves with standard EPOC stream and memory allocation leave codes
       
   136  * @leave KErrOverflow if the incoming data is too big for the TBuf provided
       
   137  */
       
   138     {
       
   139 	//read a HBufC from the stream
       
   140     TInt length = aStream.ReadInt32L();
       
   141  	HBufC8* buf = HBufC8::NewL(aStream, length);
       
   142 	CleanupStack::PushL(buf);
       
   143 
       
   144 	//check it'll fit into aBuf
       
   145 	if (length <= aDes.MaxLength())
       
   146 		{
       
   147 		//copy it into aDes
       
   148 		aDes.Copy(*buf);
       
   149 		}
       
   150 	else
       
   151 		{
       
   152 		//Doesn't fit so leave
       
   153 		User::Leave(KErrOverflow);
       
   154 		}
       
   155 
       
   156 	CleanupStack::PopAndDestroy();	//buf
       
   157 	}
       
   158 
       
   159 EXPORT_C void ObexInternalUtils::ExternalizeL(const TDes8& aDes, RWriteStream& aStream)
       
   160 /**
       
   161  * Externalizes a TDes8 to a stream.
       
   162  *
       
   163  * @param aBuf The TDes8 to be externalized
       
   164  * @param aStream The stream to be written to
       
   165  * @leave KErrXXX Leaves with standard EPOC stream leave codes
       
   166  */
       
   167     {
       
   168     aStream.WriteInt32L(aDes.Length());
       
   169     aStream << aDes;
       
   170     }
       
   171 
       
   172 EXPORT_C void ObexInternalUtils::Panic(ObexInternalUtils::TObexInternalUtilsPanic aPanic)
       
   173 /**
       
   174  * Indicates Panic originates from Obex MTM
       
   175  *
       
   176  * @param aPanic The type of TObexInternalUtilsPanic which has taken place
       
   177  */
       
   178 	{
       
   179 	_LIT(KPanicCategory, "ObexMTM");
       
   180 	User::Panic(KPanicCategory, aPanic);
       
   181 	}