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1 /* |
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2 * Copyright (c) 2006 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: Implementation of array of fixed size elements on global chunk |
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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 // RMPXFixedArrayBase::Close |
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21 // ----------------------------------------------------------------------------- |
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22 // |
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23 inline void RMPXFixedArrayBase::Close(TUint aClientHandle) |
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24 { |
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25 Reset(aClientHandle); |
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26 } |
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27 |
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28 // ----------------------------------------------------------------------------- |
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29 // RMPXFixedArrayBase::Buf |
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30 // ----------------------------------------------------------------------------- |
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31 // |
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32 inline TAny* RMPXFixedArrayBase::Buf(TUint aClientHandle) const |
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33 { |
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34 return RMPXHeapManager::Ptr<TAny>(aClientHandle,iDataOffset); |
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35 } |
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36 |
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37 // ----------------------------------------------------------------------------- |
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38 // RMPXFixedArrayBase::Count |
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39 // ----------------------------------------------------------------------------- |
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40 // |
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41 inline TInt RMPXFixedArrayBase::Count() const |
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42 { |
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43 return iCount; |
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44 } |
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45 |
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46 // ----------------------------------------------------------------------------- |
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47 // RMPXFixedArray::RMPXFixedArray |
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48 // ----------------------------------------------------------------------------- |
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49 // |
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50 template <class T> |
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51 inline RMPXFixedArray<T>::RMPXFixedArray(const RMPXFixedArray<T>& aArray) |
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52 : RMPXFixedArrayBase(aArray,sizeof(T)) |
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53 { |
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54 } |
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55 |
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56 // ----------------------------------------------------------------------------- |
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57 // RMPXFixedArray::RMPXFixedArray |
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58 // ----------------------------------------------------------------------------- |
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59 // |
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60 template <class T> |
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61 inline RMPXFixedArray<T>::RMPXFixedArray() |
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62 : RMPXFixedArrayBase(sizeof(T)) |
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63 { |
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64 } |
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65 |
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66 // ----------------------------------------------------------------------------- |
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67 // RMPXFixedArray::Copy |
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68 // ----------------------------------------------------------------------------- |
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69 // |
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70 template <class T> |
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71 inline TInt RMPXFixedArray<T>::Copy(TUint aClientHandle,const TArray<T>& aArray) |
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72 { |
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73 TInt n=aArray.Count(); |
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74 T* ptr=(T*)RMPXFixedArrayBase::Alloc(aClientHandle,n); |
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75 if (ptr) |
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76 { |
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77 for (TInt i=0;i<n;++i) |
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78 { |
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79 *ptr++=aArray[i]; |
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80 } |
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81 } |
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82 MPX_ASSERT(ptr); |
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83 return ptr?KErrNone:KErrNoMemory; |
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84 } |
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85 |
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86 // ----------------------------------------------------------------------------- |
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87 // RMPXFixedArray::Array |
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88 // ----------------------------------------------------------------------------- |
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89 // |
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90 template <class T> |
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91 inline TArray<T> RMPXFixedArray<T>::Array(TUint aClientHandle) const |
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92 { |
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93 TInt thisOffset=RMPXHeapManager::Offset(aClientHandle,(TAny*)this); |
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94 return TArray<T>(CountFunctionR,AtFunctionR,reinterpret_cast<const CBase*>(thisOffset)); |
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95 } |
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96 |
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97 // ----------------------------------------------------------------------------- |
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98 // RMPXFixedArray::CountFunctionR |
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99 // ----------------------------------------------------------------------------- |
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100 // |
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101 template <class T> |
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102 inline TInt RMPXFixedArray<T>::CountFunctionR(const CBase* aThis) |
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103 { |
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104 // Non-optimal, obtaining client handle every time count is accessed, however |
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105 // there's no choice since the data could be shared by multiple threads and the |
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106 // function signature does not allow the handle to be passed through |
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107 // |
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108 TInt offset=reinterpret_cast<TInt>(aThis); |
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109 TInt ch=RMPXHeapManager::ClientHandle(); |
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110 const RMPXFixedArrayBase* arr=RMPXHeapManager::Ptr<RMPXFixedArrayBase>(ch,offset); |
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111 return arr->Count(); |
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112 } |
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113 |
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114 // ----------------------------------------------------------------------------- |
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115 // RMPXFixedArray::AtFunctionR |
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116 // ----------------------------------------------------------------------------- |
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117 // |
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118 template <class T> |
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119 inline const TAny* RMPXFixedArray<T>::AtFunctionR(const CBase* aThis,TInt aIndex) |
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120 { |
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121 // Non-optimal, obtaining client handle every time data is accessed, however |
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122 // there's no choice since the data could be shared by multiple threads and the |
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123 // function signature does not allow the handle to be passed through |
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124 // |
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125 TInt offset=reinterpret_cast<TInt>(aThis); |
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126 TInt ch=RMPXHeapManager::ClientHandle(); |
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127 const RMPXFixedArrayBase* arr=RMPXHeapManager::Ptr<RMPXFixedArrayBase>(ch,offset); |
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128 T* ptr=(T*)arr->Buf(ch); |
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129 return &ptr[aIndex]; |
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130 } |
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131 |
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132 // End of file |
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133 |