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1 // Copyright (c) 2004-2009 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 // @internalComponent |
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15 // @released |
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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 #ifndef __FARRAY_H__ |
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21 #define __FARRAY_H__ |
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22 #include <cassert> |
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23 |
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24 template <class T,TInt S> |
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25 class TFixedArray |
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26 // Range checking wrapper+ class for C++ arrays |
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27 // Can be embedded in C-objects, or used on the stack: use Reset() to zero it |
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28 { |
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29 typedef TFixedArray<T,S> ThisClass; |
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30 public: |
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31 inline TFixedArray(); |
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32 inline TFixedArray(const T* aList, TInt aLength); |
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33 // |
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34 inline void Copy(const T* aList, TInt aLength); |
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35 inline void Reset(); // zero fill |
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36 inline void DeleteAll(); |
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37 // |
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38 inline TInt Count() const; |
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39 inline TInt Length() const; |
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40 // Accessors - debug range checking |
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41 inline T& operator[](TInt aIndex); |
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42 inline const T& operator[] (TInt aIndex) const; |
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43 // Accessors - always range checking |
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44 inline T& At(TInt aIndex); |
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45 inline const T& At(TInt aIndex) const; |
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46 // Provides pointers to the beginning and end of the array |
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47 inline T* Begin(); |
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48 inline T* End(); |
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49 inline const T* Begin() const; |
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50 inline const T* End() const; |
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51 // |
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52 protected: |
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53 inline static TBool InRange(TInt aIndex); |
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54 protected: |
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55 T iRep[S]; |
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56 }; |
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57 |
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58 |
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59 template <class T,TInt S> |
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60 inline TFixedArray<T,S>::TFixedArray() |
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61 {} |
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62 template <class T,TInt S> |
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63 inline void TFixedArray<T,S>::Copy(const T* aList,TInt aLength) |
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64 { |
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65 // Never used. |
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66 assert(TUint(aLength)<=TUint(S)); |
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67 // HMdem::Copy(iRep,aList,aLength*sizeof(T)); |
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68 } |
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69 template <class T,TInt S> |
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70 inline TFixedArray<T,S>::TFixedArray(const T* aList,TInt aLength) |
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71 {Copy(aList,aLength);} |
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72 template <class T,TInt S> |
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73 inline void TFixedArray<T,S>::Reset() |
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74 {memset(iRep,0,sizeof(iRep));} |
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75 template <class T,TInt S> |
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76 inline TInt TFixedArray<T,S>::Count() const |
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77 {return S;} |
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78 template <class T,TInt S> |
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79 inline TInt TFixedArray<T,S>::Length() const |
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80 {return sizeof(T);} |
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81 template <class T,TInt S> |
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82 inline TBool TFixedArray<T,S>::InRange(TInt aIndex) |
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83 {return TUint(aIndex)<S;} |
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84 template <class T,TInt S> |
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85 inline T& TFixedArray<T,S>::operator[](TInt aIndex) |
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86 {assert(InRange(aIndex));return iRep[aIndex];} |
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87 template <class T,TInt S> |
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88 inline const T& TFixedArray<T,S>::operator[](TInt aIndex) const |
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89 {return const_cast<ThisClass&>(*this)[aIndex];} |
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90 template <class T,TInt S> |
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91 inline T& TFixedArray<T,S>::At(TInt aIndex) |
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92 {verify(InRange(aIndex));return iRep[aIndex];} |
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93 template <class T,TInt S> |
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94 inline const T& TFixedArray<T,S>::At(TInt aIndex) const |
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95 {return const_cast<ThisClass&>(*this).At(aIndex);} |
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96 template <class T,TInt S> |
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97 inline T* TFixedArray<T,S>::Begin() |
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98 {return &iRep[0];} |
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99 template <class T,TInt S> |
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100 inline T* TFixedArray<T,S>::End() |
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101 {return &iRep[S];} |
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102 template <class T,TInt S> |
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103 inline const T* TFixedArray<T,S>::Begin() const |
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104 {return &iRep[0];} |
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105 template <class T,TInt S> |
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106 inline const T* TFixedArray<T,S>::End() const |
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107 {return &iRep[S];} |
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108 |
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109 |
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110 #endif |
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111 |