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1 // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // //////////////////////// HIpcStream /////////////////////////////////////// |
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15 // |
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16 // |
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17 |
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18 /** |
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19 |
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20 Initializes HIpcStream data members. |
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21 |
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22 @param aHost A pointer to the buffer with the stream data |
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23 @param aReadPos The position data has to be read from |
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24 |
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25 @see HIpcStream::SynchL() |
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26 |
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27 @panic SqlDb 7 In _DEBUG mode. aHost is NULL. |
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28 */ |
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29 inline HIpcStream::HIpcStream(MStreamBuf* aHost, TInt aReadPos): |
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30 iHost(*aHost), |
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31 iRPos(aReadPos), |
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32 iWPos(0) |
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33 { |
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34 __SQLASSERT(aHost != NULL, ESqlPanicInternalError); |
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35 } |
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36 |
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37 /** |
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38 Relases the stream buffer. |
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39 */ |
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40 inline HIpcStream::~HIpcStream() |
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41 { |
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42 iHost.Release(); |
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43 } |
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44 |
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45 /** |
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46 @return The stream data size. |
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47 */ |
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48 inline TInt HIpcStream::SizeL() |
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49 { |
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50 return iHost.SizeL(); |
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51 } |
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52 |
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53 /** |
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54 Synchronizes the stream data buffer with the stream. |
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55 |
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56 @see HIpcStream::HIpcStream() |
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57 */ |
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58 inline void HIpcStream::SynchL() |
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59 { |
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60 iHost.SynchL(); |
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61 } |
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62 |
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63 |
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64 ////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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65 /////////////////////////// HIpcReadBuf ////////////////////////////////////// |
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66 ////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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67 |
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68 /** |
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69 Initializes HIpcReadBuf data members. |
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70 |
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71 @param aDes Points to the data which will be accessed via HIpcReadBuf instance. |
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72 */ |
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73 inline HIpcReadBuf::HIpcReadBuf(const TDesC8& aDes) |
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74 { |
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75 TUint8* ptr = const_cast <TUint8*> (aDes.Ptr()); |
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76 Set(ptr, ptr + aDes.Length(), MStreamBuf::ERead); |
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77 } |
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78 |
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79 /** |
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80 Creates an instance of HIpcReadBuf class. |
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81 |
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82 @param aDes Points to the data which will be accessed via HIpcReadBuf instance. |
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83 |
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84 @return A pointer to the created HIpcReadBuf instance. |
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85 |
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86 @leave KErrNoMemory, an out of memory condition has occured; |
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87 */ |
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88 inline HIpcReadBuf* HIpcReadBuf::NewL(const TDesC8& aDes) |
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89 { |
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90 return new (ELeave) HIpcReadBuf(aDes); |
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91 } |