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1 /* |
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2 * Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of the License "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * Utility functions for copying and streaming RArrays. |
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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 /** |
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21 @file |
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22 @internalTechnology |
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23 */ |
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24 |
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25 #ifndef __ARRAYUTILS_H_ |
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26 #define __ARRAYUTILS_H_ |
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27 |
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28 #include <e32std.h> |
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29 #include <s32strm.h> |
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30 |
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31 namespace Swi |
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32 { |
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33 |
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34 ///////////////////////////////////////////////////////////////////// |
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35 // RPointerArray utilities |
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36 ///////////////////////////////////////////////////////////////////// |
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37 |
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38 template <class T> |
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39 void CopyPointerArrayL(RPointerArray<T>& aNew, const RPointerArray<T>& aOld); |
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40 |
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41 template <class T> |
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42 void ExternalizePointerArrayL(const RPointerArray<T>& aArray, RWriteStream& aStream); |
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43 |
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44 template <class T> |
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45 void InternalizePointerArrayL(RPointerArray<T>& aArray, RReadStream& aStream); |
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46 |
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47 ///////////////////////////////////////////////////////////////////// |
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48 // RArray utilities |
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49 ///////////////////////////////////////////////////////////////////// |
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50 |
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51 template <class T> |
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52 void CopyArrayL(RArray<T>& aNew, const RArray<T>& aOld); |
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53 |
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54 template <class T> |
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55 void ExternalizeArrayL(const RArray<T>& aArray, RWriteStream& aStream); |
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56 |
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57 template <class T> |
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58 void InternalizeArrayL(RArray<T>& aArray, RReadStream& aStream); |
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59 |
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60 ///////////////////////////////////////////////////////////////////// |
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61 // Traits classes - internally required by RPointerArray functions |
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62 ///////////////////////////////////////////////////////////////////// |
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63 |
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64 template <class T> |
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65 class TTraits |
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66 { |
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67 public: |
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68 static T* CopyLC(const T& aOther) { return T::NewLC(aOther);} |
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69 static T* ReadFromStreamLC(RReadStream& aStream) { return T::NewLC(aStream); } |
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70 static void WriteToStreamL(const T& aItem, RWriteStream& aStream) { aStream << aItem; } |
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71 }; |
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72 |
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73 // Specialisation for HBufs |
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74 template <> |
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75 class TTraits<HBufC16> |
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76 { |
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77 public: |
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78 static HBufC16* CopyLC(const HBufC16& aOther) { return aOther.AllocLC();} |
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79 static HBufC16* ReadFromStreamLC(RReadStream& aStream) { return HBufC16::NewLC(aStream, KMaxTInt); } |
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80 static void WriteToStreamL(const HBufC16& aItem, RWriteStream& aStream) { aStream << aItem; } |
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81 }; |
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82 |
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83 template <> |
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84 class TTraits<HBufC8> |
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85 { |
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86 public: |
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87 static HBufC8* CopyLC(const HBufC8& aOther) { return aOther.AllocLC();} |
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88 static HBufC8* ReadFromStreamLC(RReadStream& aStream) { return HBufC8::NewLC(aStream, KMaxTInt); } |
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89 static void WriteToStreamL(const HBufC8& aItem, RWriteStream& aStream) { aStream << aItem; } |
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90 }; |
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91 |
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92 #include "arrayutils.inl" |
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93 } // namespace Swi |
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94 #endif // __ARRAYUTILS_H_ |