obex/obexprotocol/obex/src/obexheaderutil.cpp
changeset 57 f6055a57ae18
parent 0 d0791faffa3f
equal deleted inserted replaced
54:4dc88a4ac6f4 57:f6055a57ae18
       
     1 // Copyright (c) 2004-2009 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 //
       
    15 
       
    16 /**
       
    17  @file
       
    18  @internalComponent
       
    19 */
       
    20 
       
    21 #include <obex/internal/obexinternalheader.h>
       
    22 #include <obexheaders.h>
       
    23 #include "obexheaderutil.h"
       
    24 
       
    25 /**
       
    26 This function wraps the potential leaving CreateAndSetUnicodeHeaderL function in a
       
    27 handy TRAP, because all the functions that call it are non-leavers.
       
    28 
       
    29 @param aHI is the Header Information byte for this new header (2 MSBits should indicate a Unicode header)
       
    30 @param aUnicode is the Header Value for this new header
       
    31 
       
    32 @return A pointer to a new CObexHeader, or NULL if the construction failed.
       
    33 */
       
    34 CObexHeader* IrOBEXHeaderUtil::CreateAndSetUnicodeHeader(const TUint8 aHI, const TDesC16& aUnicode)
       
    35 	{
       
    36 	CObexHeader* header = NULL;
       
    37 	TRAP_IGNORE(header = CreateAndSetUnicodeHeaderL(aHI, aUnicode));
       
    38 	return header;
       
    39 	}
       
    40 
       
    41 /**
       
    42 Creates a new Unicode header, with value as specified by aHI and aUnicode. This function will
       
    43 leave if construction of the header fails.
       
    44 
       
    45 @param aHI is the Header Information byte for this new header (2 MSBits should indicate a Unicode header)
       
    46 @param aUnicode is the Header Value for this new header
       
    47 
       
    48 @return A pointer to a new CObexHeader.
       
    49 */	
       
    50 CObexHeader* IrOBEXHeaderUtil::CreateAndSetUnicodeHeaderL(const TUint8 aHI, const TDesC16& aUnicode)
       
    51 	{
       
    52 	CObexHeader* header = CObexHeader::NewL();
       
    53 	CleanupStack::PushL(header);
       
    54 	header->SetUnicodeL(aHI, aUnicode);
       
    55 	CleanupStack::Pop(header);
       
    56 	return header;
       
    57 	}
       
    58 
       
    59 /**
       
    60 This function wraps the potential leaving CreateAndSetByteSeqHeaderL function in a 
       
    61 handy TRAP, because all the functions that call it are non-leavers.
       
    62 
       
    63 @param aHI is the Header Information byte for this new header (2 MSBits should indicate a Unicode header)
       
    64 @param aByteSeq is the Header Value for this new header
       
    65 
       
    66 @return A pointer to a new CObexHeader, or NULL if the construction failed.
       
    67 */	
       
    68 CObexHeader* IrOBEXHeaderUtil::CreateAndSetByteSeqHeader(const TUint8 aHI, const TDesC8& aByteSeq)
       
    69 	{
       
    70 	CObexHeader* header = NULL;
       
    71 	TRAP_IGNORE(header = CreateAndSetByteSeqHeaderL(aHI, aByteSeq));
       
    72 	return header;
       
    73 	}
       
    74 
       
    75 /**
       
    76 Creates a new Byte Sequence header, with value as specified by aHI and aByteSeq. This function will
       
    77 leave if construction of the header fails.
       
    78 
       
    79 @param aHI is the Header Information byte for this new header (2 MSBits should indicate a Unicode header)
       
    80 @param aByteSeq is the Header Value for this new header
       
    81 
       
    82 @return A pointer to a new CObexHeader.
       
    83 */
       
    84 CObexHeader* IrOBEXHeaderUtil::CreateAndSetByteSeqHeaderL(const TUint8 aHI, const TDesC8& aByteSeq)
       
    85 	{
       
    86 	CObexHeader* header = CObexHeader::NewL();
       
    87 	CleanupStack::PushL(header);
       
    88 	header->SetByteSeqL(aHI, aByteSeq);
       
    89 	CleanupStack::Pop(header);
       
    90 	return header;
       
    91 	}
       
    92 
       
    93 TInt IrOBEXHeaderUtil::ParseHeader(TObexInternalHeader& aHeader, CObexHeaderSet& aHeaderSet)
       
    94 	{
       
    95 	TUint headerType = aHeader.HIType();
       
    96 
       
    97 	switch (headerType)
       
    98 		{
       
    99 	case (TObexInternalHeader::EUnicode) :
       
   100 		{
       
   101 		HBufC* newHeader = HBufC::New(aHeader.HVSize());
       
   102 		if (!newHeader)
       
   103 			{
       
   104 			return KErrNoMemory;
       
   105 			}
       
   106 		//else
       
   107 		TPtr ptr(newHeader->Des()); 
       
   108 		
       
   109 		if(aHeader.GetHVText(ptr) == KErrNone) 
       
   110 			{
       
   111 			CObexHeader* unicodeHeader = NULL;
       
   112 			
       
   113 			unicodeHeader = IrOBEXHeaderUtil::CreateAndSetUnicodeHeader(aHeader.HI(), *newHeader);
       
   114 
       
   115 			if (!unicodeHeader)
       
   116 				{
       
   117 				delete newHeader;
       
   118 				newHeader = NULL;
       
   119 				return KErrNoMemory;
       
   120 				}
       
   121 
       
   122 			//Transfer ownership of pointer to CObexHeaderSet
       
   123 			if (aHeaderSet.AddHeader(unicodeHeader) != KErrNone)
       
   124 				{
       
   125 				delete newHeader;
       
   126 				newHeader = NULL;
       
   127 				delete unicodeHeader;
       
   128 				unicodeHeader = NULL;
       
   129 				return KErrNoMemory;
       
   130 				}
       
   131 			}
       
   132 		delete newHeader;
       
   133 		newHeader = NULL;
       
   134 		
       
   135 		break;
       
   136 		}
       
   137 
       
   138 	case (TObexInternalHeader::EByteSeq) :
       
   139 		{
       
   140 		TPtrC8 src(aHeader.HVByteSeq(), aHeader.HVSize());
       
   141 
       
   142 		CObexHeader* byteseqHeader = NULL;
       
   143 
       
   144 		byteseqHeader = IrOBEXHeaderUtil::CreateAndSetByteSeqHeader(aHeader.HI(), src);
       
   145 		if (!byteseqHeader)
       
   146 			{
       
   147 			return KErrNoMemory;
       
   148 			}
       
   149 
       
   150 		//Transfer ownership of pointer to CObexHeaderSet
       
   151 		if (aHeaderSet.AddHeader(byteseqHeader) != KErrNone)
       
   152 			{
       
   153 			delete byteseqHeader;
       
   154 			byteseqHeader = NULL;
       
   155 			return KErrNoMemory;
       
   156 			}
       
   157 
       
   158 		break;
       
   159 		}
       
   160 
       
   161 	case (TObexInternalHeader::E1Byte) :
       
   162 		{
       
   163 		CObexHeader* byteHeader = NULL;
       
   164 		TRAPD(err, byteHeader=CObexHeader::NewL());
       
   165 		if (err)
       
   166 			{
       
   167 			return err;
       
   168 			}
       
   169 			
       
   170 		byteHeader->SetByte(aHeader.HI(), (static_cast<TUint8>(aHeader.HVInt())));
       
   171 		//Transfer ownership of pointer to CObexHeaderSet
       
   172 		if(aHeaderSet.AddHeader(byteHeader) != KErrNone)
       
   173 			{
       
   174 			delete byteHeader;
       
   175 			byteHeader = NULL;
       
   176 			return KErrNoMemory;
       
   177 			}
       
   178 		break;
       
   179 		}
       
   180 
       
   181 	case (TObexInternalHeader::E4Byte) :
       
   182 		{
       
   183 		CObexHeader* fourByteHeader = NULL;
       
   184 		TRAPD(err, fourByteHeader = CObexHeader::NewL());
       
   185 		if (err)
       
   186 			{
       
   187 			return err;
       
   188 			}
       
   189 			
       
   190 		fourByteHeader->SetFourByte(aHeader.HI(), aHeader.HVInt());
       
   191 		//Transfer ownership of pointer to CObexHeaderSet
       
   192 		if(aHeaderSet.AddHeader(fourByteHeader) != KErrNone)
       
   193 			{
       
   194 			delete fourByteHeader;
       
   195 			fourByteHeader = NULL;
       
   196 			return KErrNoMemory;
       
   197 			}
       
   198 		break;
       
   199 		}
       
   200 
       
   201 	default :
       
   202 		{
       
   203 		break;
       
   204 		}
       
   205 		
       
   206 		}	//	End of switch
       
   207 		
       
   208 	return KErrNone;
       
   209 	}