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1 /* |
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2 * Copyright (c) 2003 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 various helper functions used for |
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15 * serialization. |
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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 // RPointerArray utilities |
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22 ///////////////////////////////////////////////////////////////////// |
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23 |
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24 // ----------------------------------------------------------------------------- |
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25 // CopyPointerArrayL |
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26 // ----------------------------------------------------------------------------- |
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27 // |
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28 template <class T> |
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29 void CopyPointerArrayL(RPointerArray<T>& aNew, const RPointerArray<T>& aOld) |
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30 { |
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31 for (TInt i = 0; i < aOld.Count(); ++i) |
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32 { |
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33 T* item = TTraits<T>::CopyLC(*aOld[i]); |
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34 User::LeaveIfError(aNew.Append(item)); |
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35 CleanupStack::Pop(item); |
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36 } |
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37 } |
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38 |
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39 // ----------------------------------------------------------------------------- |
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40 // ExternalizePointerArrayL |
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41 // ----------------------------------------------------------------------------- |
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42 // |
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43 template <class T> |
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44 void ExternalizePointerArrayL(const RPointerArray<T>& aArray, |
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45 RWriteStream& aStream) |
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46 { |
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47 aStream.WriteInt32L(aArray.Count()); |
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48 for (TInt i = 0; i < aArray.Count(); ++i) |
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49 { |
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50 TTraits<T>::WriteToStreamL(*aArray[i], aStream); |
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51 } |
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52 } |
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53 |
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54 // ----------------------------------------------------------------------------- |
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55 // InternalizePointerArrayL |
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56 // ----------------------------------------------------------------------------- |
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57 // |
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58 template <class T> |
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59 void InternalizePointerArrayL(RPointerArray<T>& aArray, RReadStream& aStream) |
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60 { |
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61 TInt count = aStream.ReadInt32L(); |
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62 for (TInt i = 0; i < count; ++i) |
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63 { |
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64 T* item = TTraits<T>::ReadFromStreamLC(aStream); |
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65 User::LeaveIfError(aArray.Append(item)); |
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66 CleanupStack::Pop(item); |
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67 } |
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68 } |
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69 |
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70 // ----------------------------------------------------------------------------- |
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71 // PointerArraySizeForStreamingL |
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72 // ----------------------------------------------------------------------------- |
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73 // |
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74 template <class T> |
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75 TInt PointerArraySizeForStreamingL(const RPointerArray<T>& aArray) |
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76 { |
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77 TInt size = sizeof(TInt32); |
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78 for (TInt i = aArray.Count(); 0 < i;) |
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79 { |
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80 size += TTraits<T>::SizeForStreamingL(*aArray[--i]); |
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81 } |
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82 return size; |
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83 } |
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84 |
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85 ///////////////////////////////////////////////////////////////////// |
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86 // RArray utilities |
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87 ///////////////////////////////////////////////////////////////////// |
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88 |
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89 // ----------------------------------------------------------------------------- |
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90 // CopyArrayL |
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91 // ----------------------------------------------------------------------------- |
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92 // |
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93 template <class T> |
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94 void CopyArrayL(RArray<T>& aNew, const RArray<T>& aOld) |
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95 { |
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96 for (TInt i = 0; i < aOld.Count(); ++i) |
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97 { |
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98 User::LeaveIfError(aNew.Append(aOld[i])); |
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99 } |
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100 } |
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101 |
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102 // ----------------------------------------------------------------------------- |
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103 // ExternalizeArrayL |
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104 // ----------------------------------------------------------------------------- |
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105 // |
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106 template <class T> |
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107 void ExternalizeArrayL(const RArray<T>& aArray, RWriteStream& aStream) |
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108 { |
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109 aStream.WriteInt32L(aArray.Count()); |
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110 for (TInt i = 0; i < aArray.Count(); ++i) |
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111 { |
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112 aStream.WriteL(TPckgC<T>(aArray[i])); |
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113 } |
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114 } |
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115 |
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116 // ----------------------------------------------------------------------------- |
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117 // InternalizeArrayL |
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118 // ----------------------------------------------------------------------------- |
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119 // |
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120 template <class T> |
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121 void InternalizeArrayL(RArray<T>& aArray, RReadStream& aStream) |
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122 { |
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123 TInt count = aStream.ReadInt32L(); |
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124 for (TInt i = 0; i < count; ++i) |
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125 { |
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126 T item; |
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127 TPckg<T> itemPckg(item); |
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128 aStream.ReadL(itemPckg); |
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129 User::LeaveIfError(aArray.Append(item)); |
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130 } |
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131 } |
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132 |
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133 // ----------------------------------------------------------------------------- |
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134 // ArraySizeForStreamingL |
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135 // ----------------------------------------------------------------------------- |
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136 // |
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137 template <class T> |
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138 TInt ArraySizeForStreamingL(const RArray<T>& aArray) |
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139 { |
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140 return sizeof(TInt32) + aArray.Count() * sizeof(T); |
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141 } |
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142 |