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1 /* |
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2 * Copyright (c) 2007-2008 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 "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 * |
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16 */ |
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17 |
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18 |
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19 #ifndef HNHELPER_H |
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20 #define HNHELPER_H |
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21 |
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22 #include <e32hashtab.h> |
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23 |
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24 /** |
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25 * Creates hash. |
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26 * |
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27 * @param aBuf Descriptor. |
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28 * @return Hash. |
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29 */ |
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30 inline TUint32 HBuf16Hash( HBufC16* const & aBuf ) |
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31 { |
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32 return DefaultHash::Des16(*aBuf); |
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33 } |
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34 |
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35 /** |
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36 * Creates hash. |
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37 * |
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38 * @param aBuf Descriptor. |
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39 * @return Hash. |
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40 */ |
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41 inline TUint32 TDesC16Hash( const TDesC16* const & aBuf ) |
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42 { |
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43 return DefaultHash::Des16(*aBuf); |
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44 } |
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45 |
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46 /** |
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47 * Checks for indentity. |
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48 * |
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49 * @param aL Descriptor. |
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50 * @param aR Descriptor. |
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51 * @return Bool. |
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52 */ |
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53 inline TBool HBuf16Ident( HBufC16* const & aL, HBufC16* const & aR ) |
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54 { |
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55 return DefaultIdentity::Des16(*aL, *aR); |
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56 } |
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57 |
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58 /** |
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59 * Checks for indentity. |
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60 * |
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61 * @param aL Descriptor. |
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62 * @param aR Descriptor. |
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63 * @return Bool. |
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64 */ |
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65 inline TBool TDesC16Ident( const TDesC16* const & aL, const TDesC16* const & aR ) |
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66 { |
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67 return DefaultIdentity::Des16(*aL, *aR); |
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68 } |
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69 |
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70 /** |
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71 * Destroys both key and value object of a hashmap. |
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72 */ |
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73 template <class TKey, class TValue> |
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74 void DestroyMapKeyAndValue( RHashMap< TKey*, TValue* > & aHashMap ) |
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75 { |
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76 THashMapIter< TKey*, TValue* > iter( aHashMap ); |
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77 while ( iter.NextKey() ) |
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78 { |
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79 delete *(iter.CurrentKey()); |
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80 delete *(iter.CurrentValue()); |
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81 } |
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82 } |
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83 |
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84 /** |
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85 * Destroys just value object of a hashmap. |
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86 */ |
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87 template <class TKey, class TValue> |
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88 void DestroyMapValue( RHashMap< TKey*, TValue* > & aHashMap ) |
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89 { |
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90 THashMapIter< TKey*, TValue* > iter( aHashMap ); |
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91 while ( iter.NextKey() ) |
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92 { |
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93 delete *(iter.CurrentValue()); |
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94 } |
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95 } |
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96 |
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97 #endif /* HNHELPER_H */ |