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1 /* |
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2 * Copyright (c) 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 "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 #ifndef __FARRAY_H__ |
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19 #define __FARRAY_H__ |
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20 #include <assert.h> |
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21 #include "h_utl.h" |
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22 |
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23 template <class T,TInt S> |
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24 class TFixedArray |
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25 // Range checking wrapper+ class for C++ arrays |
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26 // Can be embedded in C-objects, or used on the stack: use Reset() to zero it |
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27 { |
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28 typedef TFixedArray<T,S> ThisClass; |
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29 public: |
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30 inline TFixedArray(); |
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31 inline TFixedArray(const T* aList, TInt aLength); |
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32 // |
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33 inline void Copy(const T* aList, TInt aLength); |
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34 inline void Reset(); // zero fill |
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35 inline void DeleteAll(); |
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36 // |
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37 inline TInt Count() const; |
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38 inline TInt Length() const; |
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39 // Accessors - debug range checking |
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40 inline T& operator[](TInt aIndex); |
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41 inline const T& operator[] (TInt aIndex) const; |
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42 // Accessors - always range checking |
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43 inline T& At(TInt aIndex); |
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44 inline const T& At(TInt aIndex) const; |
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45 // Provides pointers to the beginning and end of the array |
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46 inline T* Begin(); |
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47 inline T* End(); |
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48 inline const T* Begin() const; |
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49 inline const T* End() const; |
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50 // |
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51 protected: |
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52 inline static TBool InRange(TInt aIndex); |
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53 protected: |
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54 T iRep[S]; |
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55 }; |
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56 |
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57 |
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58 template <class T,TInt S> |
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59 inline TFixedArray<T,S>::TFixedArray() |
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60 {} |
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61 template <class T,TInt S> |
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62 inline void TFixedArray<T,S>::Copy(const T* aList,TInt aLength) |
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63 {assert(TUint(aLength)<=TUint(S));HMem::Copy(iRep,aList,aLength*sizeof(T));} |
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64 template <class T,TInt S> |
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65 inline TFixedArray<T,S>::TFixedArray(const T* aList,TInt aLength) |
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66 {Copy(aList,aLength);} |
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67 template <class T,TInt S> |
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68 inline void TFixedArray<T,S>::Reset() |
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69 {HMem::FillZ(iRep,sizeof(iRep));} |
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70 template <class T,TInt S> |
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71 inline TInt TFixedArray<T,S>::Count() const |
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72 {return S;} |
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73 template <class T,TInt S> |
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74 inline TInt TFixedArray<T,S>::Length() const |
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75 {return sizeof(T);} |
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76 template <class T,TInt S> |
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77 inline TBool TFixedArray<T,S>::InRange(TInt aIndex) |
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78 {return TUint(aIndex)<S;} |
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79 template <class T,TInt S> |
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80 inline T& TFixedArray<T,S>::operator[](TInt aIndex) |
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81 {assert(InRange(aIndex));return iRep[aIndex];} |
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82 template <class T,TInt S> |
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83 inline const T& TFixedArray<T,S>::operator[](TInt aIndex) const |
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84 {return const_cast<ThisClass&>(*this)[aIndex];} |
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85 template <class T,TInt S> |
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86 inline T& TFixedArray<T,S>::At(TInt aIndex) |
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87 {verify(InRange(aIndex));return iRep[aIndex];} |
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88 template <class T,TInt S> |
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89 inline const T& TFixedArray<T,S>::At(TInt aIndex) const |
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90 {return const_cast<ThisClass&>(*this).At(aIndex);} |
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91 template <class T,TInt S> |
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92 inline T* TFixedArray<T,S>::Begin() |
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93 {return &iRep[0];} |
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94 template <class T,TInt S> |
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95 inline T* TFixedArray<T,S>::End() |
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96 {return &iRep[S];} |
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97 template <class T,TInt S> |
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98 inline const T* TFixedArray<T,S>::Begin() const |
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99 {return &iRep[0];} |
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100 template <class T,TInt S> |
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101 inline const T* TFixedArray<T,S>::End() const |
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102 {return &iRep[S];} |
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103 #endif |