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1 // Copyright (c) 2006-2009 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 // |
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15 |
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16 /** |
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17 @file |
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18 @publishedPartner |
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19 */ |
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20 |
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21 #include <mtp/cmtptypeobjectpropdesc.h> |
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22 #include <mtp/cmtptypearray.h> |
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23 #include <mtp/cmtptypeobjectproplist.h> |
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24 #include <mtp/mtpdatatypeconstants.h> |
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25 #include <mtp/mtpprotocolconstants.h> |
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26 #include <e32debug.h> |
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27 #include "mtpdatatypespanic.h" |
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28 #include "e32cmn.h" |
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29 #include <utf.h> |
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30 // Dataset constants |
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31 |
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32 const TInt KMTPPropListBufferPageSize(0x00010000); // 64kB |
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33 const TInt KReservedTransportHeaderSize(32); |
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34 const TInt KMaxStringSize(255); |
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35 const TUint8 KPropElemHeaderSize(sizeof(TUint32) + sizeof(TUint16) + sizeof(TUint16)); |
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36 _LIT8(KMtpStringTerminator, "\0\0"); |
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37 |
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38 /** |
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39 MTP ObjectPropList dataset factory method. This method is used to create an |
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40 empty MTP ObjectPropList dataset. |
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41 @return A pointer to the MTP ObjectPropList dataset type. Ownership IS |
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42 transfered. |
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43 @leave One of the system wide error codes, if unsuccessful. |
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44 */ |
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45 EXPORT_C CMTPTypeObjectPropList* CMTPTypeObjectPropList::NewL() |
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46 { |
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47 CMTPTypeObjectPropList* self = CMTPTypeObjectPropList::NewLC(); |
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48 CleanupStack::Pop(self); |
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49 return self; |
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50 } |
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51 |
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52 /** |
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53 MTP ObjectPropList dataset factory method. This method is used to create an |
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54 empty MTP ObjectPropList dataset. A pointer to the data type is placed on the |
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55 cleanup stack. |
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56 @return A pointer to the MTP ObjectPropList dataset type. Ownership IS |
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57 transfered. |
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58 @leave One of the system wide error codes, if unsuccessful. |
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59 */ |
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60 EXPORT_C CMTPTypeObjectPropList* CMTPTypeObjectPropList::NewLC() |
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61 { |
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62 CMTPTypeObjectPropList* self = new(ELeave) CMTPTypeObjectPropList(); |
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63 CleanupStack::PushL(self); |
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64 self->ConstructL(); |
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65 return self; |
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66 } |
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67 |
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68 CMTPTypeObjectPropList::CMTPTypeObjectPropList() |
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69 { |
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70 |
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71 } |
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72 |
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73 /** |
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74 Destructor. |
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75 */ |
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76 EXPORT_C CMTPTypeObjectPropList::~CMTPTypeObjectPropList() |
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77 { |
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78 TInt pageCount = iIOPages.Count(); |
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79 for(TInt i =0; i< pageCount; i++) |
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80 { |
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81 iIOPages[i].Close(); |
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82 } |
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83 iIOPages.Close(); |
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84 delete iCurrentElement; |
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85 delete iReservedElement; |
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86 } |
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87 |
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88 void CMTPTypeObjectPropList::ConstructL() |
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89 { |
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90 ReserveNewPage(); |
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91 iNumberOfElements = 0; |
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92 memcpy(&(iIOPages[0][KReservedTransportHeaderSize]), &iNumberOfElements, sizeof(TUint32)); |
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93 iTransportHeaderIndex = KReservedTransportHeaderSize; |
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94 iRevPageEnd = 0; |
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95 iRevDataEnd = KReservedTransportHeaderSize + 4; |
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96 iReservedElemCommitted = ETrue; |
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97 } |
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98 |
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99 EXPORT_C CMTPTypeObjectPropListElement& CMTPTypeObjectPropList::ReservePropElemL(TUint32 aHandle, TUint16 aPropCode) |
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100 { |
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101 if (NULL == iReservedElement) |
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102 { |
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103 iReservedElement = CMTPTypeObjectPropListElement::NewL(this); |
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104 } |
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105 |
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106 iReservedElement->iObjectHandle = aHandle; |
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107 iReservedElement->iPropertyCode = aPropCode; |
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108 iReservedElement->iDataType = 0x0000; |
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109 iReservedElement->iPageIndex = iRevPageEnd; |
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110 iReservedElement->iBufIndex = iRevDataEnd; |
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111 iReservedElement->iArrayBuffered = EFalse; |
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112 |
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113 TUint pageIndex = iReservedElement->iPageIndex; |
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114 TUint bufIndex = iReservedElement->iBufIndex; |
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115 |
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116 MemoryCopyL(pageIndex, bufIndex, &(iReservedElement->iObjectHandle), sizeof(TUint32)); |
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117 IncreaseIndexL(pageIndex, bufIndex, sizeof(TUint32), ETrue); |
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118 MemoryCopyL(pageIndex, bufIndex, &(iReservedElement->iPropertyCode), sizeof(TUint16)); |
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119 IncreaseIndexL(pageIndex, bufIndex, sizeof(TUint16), ETrue); |
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120 MemoryCopyL(pageIndex, bufIndex, &(iReservedElement->iDataType), sizeof(TUint16)); |
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121 IncreaseIndexL(pageIndex, bufIndex, sizeof(TUint16), ETrue); |
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122 |
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123 iReservedElement->iValueSize = 0; |
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124 |
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125 iReservedElemCommitted = EFalse; |
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126 |
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127 return *iReservedElement; |
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128 } |
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129 |
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130 EXPORT_C void CMTPTypeObjectPropList::CommitPropElemL(CMTPTypeObjectPropListElement& aElem) |
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131 { |
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132 if (&aElem != iReservedElement || iReservedElemCommitted |
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133 || iReservedElement->iValueSize == 0) |
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134 { |
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135 __ASSERT_DEBUG(EFalse, User::Invariant()); |
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136 } |
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137 TUint elemSize = iReservedElement->Size(); |
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138 // Update iRevDataEnd, reallocate new buffer page if need |
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139 IncreaseIndexL(iRevPageEnd, iRevDataEnd, elemSize, ETrue); |
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140 ++(iNumberOfElements); |
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141 memcpy(&(iIOPages[0][KReservedTransportHeaderSize]), &iNumberOfElements, sizeof(TUint32)); |
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142 |
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143 iReservedElemCommitted = ETrue; |
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144 } |
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145 |
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146 |
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147 EXPORT_C CMTPTypeObjectPropListElement& CMTPTypeObjectPropList::GetNextElementL() const |
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148 { |
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149 // Update the page index and buffer index of element |
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150 if (NULL == iCurrentElement) |
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151 { |
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152 ResetCursor(); |
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153 } |
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154 |
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155 if (iResetCursor) |
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156 { |
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157 iResetCursor = EFalse; |
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158 } |
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159 else |
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160 { |
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161 TUint elemSize = iCurrentElement->Size(); |
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162 IncreaseIndexL(iCurrentElement->iPageIndex, iCurrentElement->iBufIndex, elemSize, EFalse); |
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163 } |
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164 |
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165 iCurrentElement->iArrayBuffered = EFalse; |
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166 |
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167 // Copy value of handle/propcode/datatype from buffer to element |
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168 TUint pageIndex = iCurrentElement->iPageIndex; |
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169 TUint bufIndex = iCurrentElement->iBufIndex; |
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170 MemoryCopyL(&(iCurrentElement->iObjectHandle), pageIndex, bufIndex, sizeof(TUint32)); |
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171 IncreaseIndexL(pageIndex, bufIndex, sizeof(TUint32), EFalse); |
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172 MemoryCopyL(&(iCurrentElement->iPropertyCode), pageIndex, bufIndex, sizeof(TUint16)); |
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173 IncreaseIndexL(pageIndex, bufIndex, sizeof(TUint16), EFalse); |
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174 MemoryCopyL(&(iCurrentElement->iDataType), pageIndex, bufIndex, sizeof(TUint16)); |
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175 IncreaseIndexL(pageIndex, bufIndex, sizeof(TUint16), EFalse); |
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176 |
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177 // Calculate value length |
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178 switch(iCurrentElement->iDataType) |
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179 { |
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180 case EMTPTypeUINT8: |
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181 iCurrentElement->iValueSize = sizeof(TUint8); |
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182 break; |
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183 case EMTPTypeUINT16: |
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184 iCurrentElement->iValueSize = sizeof(TUint16); |
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185 break; |
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186 case EMTPTypeUINT32: |
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187 iCurrentElement->iValueSize = sizeof(TUint32); |
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188 break; |
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189 case EMTPTypeUINT64: |
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190 iCurrentElement->iValueSize = sizeof(TUint64); |
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191 break; |
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192 case EMTPTypeUINT128: |
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193 iCurrentElement->iValueSize = 2 * sizeof(TUint64); |
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194 break; |
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195 case EMTPTypeString: |
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196 { |
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197 TUint8 arrayLen = 0; |
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198 MemoryCopyL(&arrayLen, pageIndex, bufIndex, sizeof(TUint8)); |
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199 iCurrentElement->iValueSize = arrayLen * sizeof(TUint16) + sizeof(TUint8); |
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200 break; |
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201 } |
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202 case EMTPTypeAUINT16: |
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203 case EMTPTypeAUINT8: |
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204 case EMTPTypeAUINT32: |
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205 case EMTPTypeAUINT64: |
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206 case EMTPTypeAUINT128: |
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207 { |
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208 TUint32 arrayLen = 0; |
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209 TUint32 arrayWidth = ArrayElemWidth(iCurrentElement->iDataType); |
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210 MemoryCopyL(&arrayLen, pageIndex, bufIndex, sizeof(TUint32)); |
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211 iCurrentElement->iValueSize = arrayLen * arrayWidth + sizeof(TUint32); |
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212 break; |
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213 } |
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214 default: |
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215 break; |
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216 } |
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217 |
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218 return *iCurrentElement; |
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219 } |
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220 |
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221 TBool CMTPTypeObjectPropList::ValueBufferConsistent(TUint /* aPageIdx */, TUint aBufferIdx, TUint aValueSize) const |
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222 { |
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223 if (aBufferIdx + aValueSize >= KMTPPropListBufferPageSize) |
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224 { |
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225 return EFalse; |
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226 } |
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227 |
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228 return ETrue; |
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229 } |
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230 |
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231 TBool CMTPTypeObjectPropList::ValueAddressAligned(TUint aPageIdx, TUint aBufferIdx) const |
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232 { |
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233 const TUint8* bufPtr = &(iIOPages[aPageIdx][aBufferIdx]); |
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234 if (reinterpret_cast<TUint32>(bufPtr) & 1) |
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235 { |
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236 return EFalse; |
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237 } |
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238 |
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239 return ETrue; |
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240 } |
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241 |
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242 EXPORT_C TUint64 CMTPTypeObjectPropList::Size() const |
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243 { |
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244 TInt pageCount = iIOPages.Count(); |
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245 TUint64 totalSize = 0; |
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246 totalSize = KMTPPropListBufferPageSize - KReservedTransportHeaderSize |
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247 + KMTPPropListBufferPageSize * (iRevPageEnd - 1) + iRevDataEnd; |
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248 |
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249 return totalSize; |
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250 } |
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251 |
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252 |
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253 EXPORT_C TUint32 CMTPTypeObjectPropList::NumberOfElements() const |
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254 { |
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255 return iNumberOfElements; |
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256 } |
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257 |
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258 EXPORT_C void CMTPTypeObjectPropList::ResetCursor() const |
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259 { |
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260 if (NULL == iCurrentElement) |
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261 { |
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262 CMTPTypeObjectPropList* propList = const_cast<CMTPTypeObjectPropList*>(this); |
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263 iCurrentElement = CMTPTypeObjectPropListElement::NewL(propList); |
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264 } |
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265 iCurrentElement->iPageIndex = 0; |
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266 iCurrentElement->iBufIndex = KReservedTransportHeaderSize + sizeof(TUint32); |
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267 iResetCursor = ETrue; |
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268 } |
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269 |
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270 EXPORT_C void CMTPTypeObjectPropList::AppendObjectPropListL(const CMTPTypeObjectPropList& aSource) |
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271 { |
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272 TInt chunkStatus = 0; |
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273 TBool copyFirstChunk = ETrue; |
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274 TUint srcElemNum = aSource.NumberOfElements(); |
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275 |
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276 while (chunkStatus != KMTPChunkSequenceCompletion) |
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277 { |
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278 TPtrC8 tmpPtrRawData; |
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279 if (copyFirstChunk) |
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280 { |
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281 chunkStatus = aSource.FirstReadChunk(tmpPtrRawData); |
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282 tmpPtrRawData.Set(tmpPtrRawData.Ptr() + sizeof(TUint32), tmpPtrRawData.Length() - sizeof(TUint32)); |
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283 copyFirstChunk = EFalse; |
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284 } |
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285 else |
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286 { |
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287 chunkStatus = aSource.NextReadChunk(tmpPtrRawData); |
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288 } |
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289 |
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290 const TUint8* srcPtr = tmpPtrRawData.Ptr(); |
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291 MemoryCopyL(iRevPageEnd, iRevDataEnd, srcPtr, tmpPtrRawData.Length()); |
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292 IncreaseIndexL(iRevPageEnd, iRevDataEnd, tmpPtrRawData.Length(), ETrue); |
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293 } |
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294 |
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295 iNumberOfElements += srcElemNum; |
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296 memcpy(&(iIOPages[0][KReservedTransportHeaderSize]), &iNumberOfElements, sizeof(TUint32)); |
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297 } |
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298 |
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299 EXPORT_C TInt CMTPTypeObjectPropList::FirstReadChunk(TPtrC8& aChunk) const |
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300 { |
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301 TInt ret = KMTPDataTypeInvalid; |
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302 iChunkIndex = 0; |
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303 if (iRevPageEnd == 0) |
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304 { |
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305 aChunk.Set(&(iIOPages[0][iTransportHeaderIndex]), iRevDataEnd - iTransportHeaderIndex); |
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306 ret = KMTPChunkSequenceCompletion; |
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307 } |
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308 else |
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309 { |
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310 aChunk.Set(&(iIOPages[0][iTransportHeaderIndex]), KMTPPropListBufferPageSize - iTransportHeaderIndex); |
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311 ret = KErrNone; |
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312 } |
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313 return ret; |
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314 } |
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315 |
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316 EXPORT_C TInt CMTPTypeObjectPropList::NextReadChunk(TPtrC8& aChunk) const |
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317 { |
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318 TInt ret = KMTPDataTypeInvalid; |
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319 ++iChunkIndex; |
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320 if (iChunkIndex < iRevPageEnd) |
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321 { |
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322 aChunk.Set(&(iIOPages[iChunkIndex][0]), KMTPPropListBufferPageSize); |
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323 ret = KErrNone; |
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324 } |
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325 else if (iChunkIndex == iRevPageEnd) |
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326 { |
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327 aChunk.Set(&(iIOPages[iChunkIndex][0]), iRevDataEnd); |
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328 ret = KMTPChunkSequenceCompletion; |
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329 } |
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330 |
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331 |
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332 return ret; |
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333 } |
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334 |
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335 EXPORT_C TInt CMTPTypeObjectPropList::FirstWriteChunk(TPtr8& aChunk) |
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336 { |
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337 aChunk.Set(&(iIOPages[0][iTransportHeaderIndex]), 0, KMTPPropListBufferPageSize - iTransportHeaderIndex); |
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338 return KErrNone; |
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339 } |
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340 |
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341 EXPORT_C TInt CMTPTypeObjectPropList::NextWriteChunk(TPtr8& aChunk) |
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342 { |
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343 ReserveNewPage(); |
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344 aChunk.Set(&(iIOPages[iIOPages.Count()-1][0]), 0, KMTPPropListBufferPageSize); |
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345 return KErrNone; |
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346 } |
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347 |
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348 EXPORT_C TInt CMTPTypeObjectPropList::FirstWriteChunk(TPtr8& aChunk, TUint aDataLength) |
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349 { |
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350 TInt ret = KMTPDataTypeInvalid; |
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351 if (aDataLength <= KMTPPropListBufferPageSize - iTransportHeaderIndex) |
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352 { |
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353 aChunk.Set(&(iIOPages[0][iTransportHeaderIndex]), 0, aDataLength); |
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354 ret = KMTPChunkSequenceCompletion; |
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355 } |
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356 else |
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357 { |
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358 aChunk.Set(&(iIOPages[0][iTransportHeaderIndex]), 0, KMTPPropListBufferPageSize - iTransportHeaderIndex); |
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359 ret = KErrNone; |
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360 } |
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361 |
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362 return ret; |
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363 } |
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364 |
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365 EXPORT_C TInt CMTPTypeObjectPropList::NextWriteChunk(TPtr8& aChunk, TUint aDataLength) |
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366 { |
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367 TInt ret = KMTPDataTypeInvalid; |
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368 ReserveNewPage(); |
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369 if (aDataLength <= KMTPPropListBufferPageSize) |
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370 { |
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371 aChunk.Set(&(iIOPages[iIOPages.Count()-1][0]), 0, aDataLength); |
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372 ret = KMTPChunkSequenceCompletion; |
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373 } |
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374 else |
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375 { |
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376 aChunk.Set(&(iIOPages[iIOPages.Count()-1][0]), 0, KMTPPropListBufferPageSize); |
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377 ret = KErrNone; |
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378 } |
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379 |
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380 return ret; |
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381 } |
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382 |
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383 EXPORT_C TUint CMTPTypeObjectPropList::Type() const |
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384 { |
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385 return EMTPTypeObjectPropListDataset; |
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386 } |
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387 |
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388 EXPORT_C TBool CMTPTypeObjectPropList::CommitRequired() const |
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389 { |
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390 return ETrue; |
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391 } |
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392 |
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393 EXPORT_C MMTPType* CMTPTypeObjectPropList::CommitChunkL(TPtr8& aChunk) |
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394 { |
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395 iRevPageEnd = iIOPages.Count() - 1; |
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396 if (iRevPageEnd == 0) |
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397 { |
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398 iRevDataEnd = aChunk.Length() + KReservedTransportHeaderSize; |
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399 |
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400 if (aChunk.Length() >= sizeof(TUint32)) |
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401 { |
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402 memcpy(&iNumberOfElements, &(iIOPages[0][KReservedTransportHeaderSize]), sizeof(TUint32)); |
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403 } |
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404 } |
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405 else |
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406 { |
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407 iRevDataEnd = aChunk.Length(); |
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408 } |
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409 |
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410 return NULL; |
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411 } |
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412 |
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413 EXPORT_C TBool CMTPTypeObjectPropList::ReserveTransportHeader(TUint aHeaderLength, TPtr8& aHeader) |
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414 { |
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415 if (aHeaderLength > KReservedTransportHeaderSize) |
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416 { |
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417 return EFalse; |
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418 } |
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419 |
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420 iTransportHeaderIndex = KReservedTransportHeaderSize - aHeaderLength; |
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421 |
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422 aHeader.Set(&(iIOPages[0][iTransportHeaderIndex]), aHeaderLength, aHeaderLength); |
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423 return ETrue; |
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424 } |
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425 |
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426 EXPORT_C TInt CMTPTypeObjectPropList::Validate() const |
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427 { |
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428 TInt relValue(KErrNone); |
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429 TUint32 num = NumberOfElements(); |
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430 ResetCursor(); |
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431 for(TUint32 i = 0; i< num;i++) |
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432 { |
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433 TRAPD(err, GetNextElementL()) |
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434 if(KErrNone != err) |
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435 { |
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436 relValue = KMTPDataTypeInvalid; |
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437 break; |
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438 } |
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439 } |
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440 |
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441 ResetCursor(); |
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442 return relValue; |
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443 } |
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444 |
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445 TUint CMTPTypeObjectPropList::ArrayElemWidth(TUint16& aDataType) const |
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446 { |
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447 TUint width(0); |
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448 switch(aDataType) |
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449 { |
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450 case EMTPTypeAUINT8: |
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451 width = 1; |
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452 break; |
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453 case EMTPTypeAUINT16: |
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454 width = 2; |
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455 break; |
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456 case EMTPTypeAUINT32: |
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457 width = 4; |
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458 break; |
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459 case EMTPTypeAUINT64: |
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460 width = 8; |
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461 break; |
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462 case EMTPTypeAUINT128: |
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463 width = 16; |
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464 break; |
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465 default: |
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466 break; |
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467 } |
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468 return width; |
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469 } |
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470 |
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471 void CMTPTypeObjectPropList::IncreaseIndexL(TUint& aPageIndex, TUint& aBufIndex, TUint aLength, TBool aReserveNewPage) const |
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472 { |
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473 aBufIndex += aLength; |
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474 while (aBufIndex >= KMTPPropListBufferPageSize) |
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475 { |
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476 aBufIndex -= KMTPPropListBufferPageSize; |
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477 ++aPageIndex; |
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478 if (aPageIndex >= iIOPages.Count()) |
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479 { |
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480 if (aReserveNewPage) |
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481 { |
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482 const_cast<CMTPTypeObjectPropList*>(this)->ReserveNewPage(); |
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483 } |
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484 else |
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485 { |
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486 User::Leave(KErrOverflow); |
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487 } |
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488 } |
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489 } |
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490 } |
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491 |
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492 void CMTPTypeObjectPropList::ReserveNewPage() |
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493 { |
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494 RBuf8 tmpBuffer; |
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495 iIOPages.AppendL(tmpBuffer); |
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496 iIOPages[iIOPages.Count() - 1].CreateMaxL(KMTPPropListBufferPageSize); |
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497 } |
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498 |
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499 void CMTPTypeObjectPropList::MemoryCopyL(TAny* aTrg, TUint aSrcPageIndex, TUint aSrcBufIndex, TUint aLength) const |
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500 { |
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501 TUint bytesLeft = aLength; |
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502 TUint curPageIdx = aSrcPageIndex; |
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503 TUint curSrcBufIdx = aSrcBufIndex; |
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504 TUint8* copyTo = reinterpret_cast<TUint8*>(aTrg); |
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505 while (bytesLeft > 0) |
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506 { |
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507 const TUint8* srcBuf = &(iIOPages[curPageIdx][curSrcBufIdx]); |
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508 TUint copySize = bytesLeft; |
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509 if (curSrcBufIdx + bytesLeft > KMTPPropListBufferPageSize) |
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510 { |
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511 copySize = KMTPPropListBufferPageSize - curSrcBufIdx; |
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512 ++curPageIdx; |
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513 curSrcBufIdx = 0; |
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514 } |
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515 |
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516 if (curPageIdx >= iIOPages.Count()) |
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517 { |
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518 User::Leave(KErrOverflow); |
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519 } |
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520 else if ((curPageIdx == iIOPages.Count() - 1) && curSrcBufIdx + bytesLeft - copySize > iRevDataEnd) |
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521 { |
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522 User::Leave(KErrOverflow); |
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523 } |
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524 |
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525 memcpy(copyTo, srcBuf, copySize); |
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526 bytesLeft -= copySize; |
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527 copyTo += copySize; |
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528 } |
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529 } |
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530 |
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531 void CMTPTypeObjectPropList::MemoryCopyL(TUint aTrgPageIndex, TUint aTrgBufIndex, const TAny* aSrc, TUint aLength) |
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532 { |
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533 TUint bytesLeft = aLength; |
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534 TUint curPageIdx = aTrgPageIndex; |
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535 TUint curSrcBufIdx = aTrgBufIndex; |
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536 const TUint8* copyFrom = reinterpret_cast<const TUint8*>(aSrc); |
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537 while (bytesLeft > 0) |
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538 { |
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539 if (curPageIdx == iIOPages.Count()) |
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540 { |
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541 ReserveNewPage(); |
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542 } |
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543 TUint8* trgBuf = &(iIOPages[curPageIdx][curSrcBufIdx]); |
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544 TUint copySize = bytesLeft; |
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545 if (curSrcBufIdx + bytesLeft > KMTPPropListBufferPageSize) |
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546 { |
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547 copySize = KMTPPropListBufferPageSize - curSrcBufIdx; |
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548 ++curPageIdx; |
|
549 curSrcBufIdx = 0; |
|
550 } |
|
551 memcpy(trgBuf, copyFrom, copySize); |
|
552 bytesLeft -= copySize; |
|
553 copyFrom += copySize; |
|
554 } |
|
555 } |
|
556 |
|
557 CMTPTypeObjectPropListElement* CMTPTypeObjectPropListElement::NewL(CMTPTypeObjectPropList* propList) |
|
558 { |
|
559 CMTPTypeObjectPropListElement* self = NewLC(propList); |
|
560 CleanupStack::Pop(self); |
|
561 return self; |
|
562 } |
|
563 |
|
564 CMTPTypeObjectPropListElement* CMTPTypeObjectPropListElement::NewLC(CMTPTypeObjectPropList* propList) |
|
565 { |
|
566 CMTPTypeObjectPropListElement* self = new(ELeave) CMTPTypeObjectPropListElement(); |
|
567 CleanupStack::PushL(self); |
|
568 self->ConstructL(propList); |
|
569 return self; |
|
570 } |
|
571 |
|
572 CMTPTypeObjectPropListElement::CMTPTypeObjectPropListElement() |
|
573 { |
|
574 |
|
575 } |
|
576 |
|
577 EXPORT_C CMTPTypeObjectPropListElement::~CMTPTypeObjectPropListElement() |
|
578 { |
|
579 iStringHolder.Close(); |
|
580 } |
|
581 |
|
582 void CMTPTypeObjectPropListElement::ConstructL(CMTPTypeObjectPropList* propList) |
|
583 { |
|
584 iArrayBuffered = EFalse; |
|
585 iPropList = propList; |
|
586 iStringHolder.CreateL(KMaxStringSize); |
|
587 } |
|
588 |
|
589 EXPORT_C TUint8 CMTPTypeObjectPropListElement::Uint8L(TInt aElementId) const |
|
590 { |
|
591 if(EValue != aElementId || EMTPTypeUINT8 != iDataType) |
|
592 User::Leave(KErrArgument); |
|
593 TUint8 retValue = 0; |
|
594 GetValueL(&retValue, sizeof(TUint8)); |
|
595 |
|
596 return retValue; |
|
597 } |
|
598 |
|
599 EXPORT_C TUint16 CMTPTypeObjectPropListElement::Uint16L(TInt aElementId) const |
|
600 { |
|
601 switch(aElementId) |
|
602 { |
|
603 case EPropertyCode: |
|
604 return iPropertyCode; |
|
605 case EDatatype: |
|
606 return iDataType; |
|
607 case EValue: |
|
608 if(EMTPTypeUINT16 != iDataType) |
|
609 { |
|
610 User::Leave(KErrArgument); |
|
611 } |
|
612 TUint16 retValue; |
|
613 GetValueL(&retValue, sizeof(TUint16)); |
|
614 return retValue; |
|
615 default: |
|
616 User::Leave(KErrArgument); |
|
617 } |
|
618 return 0; |
|
619 } |
|
620 |
|
621 EXPORT_C TUint32 CMTPTypeObjectPropListElement::Uint32L(TInt aElementId) const |
|
622 { |
|
623 switch(aElementId) |
|
624 { |
|
625 case EObjectHandle: |
|
626 return iObjectHandle; |
|
627 case EValue: |
|
628 if(EMTPTypeUINT32 != iDataType) |
|
629 { |
|
630 User::Leave(KErrArgument); |
|
631 } |
|
632 TUint32 retValue; |
|
633 GetValueL(&retValue, sizeof(TUint32)); |
|
634 return retValue; |
|
635 default: |
|
636 User::Leave(KErrArgument); |
|
637 } |
|
638 return 0; |
|
639 } |
|
640 |
|
641 EXPORT_C TUint64 CMTPTypeObjectPropListElement::Uint64L(TInt aElementId) const |
|
642 { |
|
643 if(EValue != aElementId || EMTPTypeUINT64 != iDataType) |
|
644 { |
|
645 User::Leave(KErrArgument); |
|
646 } |
|
647 |
|
648 TUint64 retValue; |
|
649 GetValueL(&retValue, sizeof(TUint64)); |
|
650 return retValue; |
|
651 } |
|
652 |
|
653 EXPORT_C void CMTPTypeObjectPropListElement::Uint128L(TInt aElementId,TUint64& high, TUint64& low) const |
|
654 { |
|
655 if(EValue != aElementId || EMTPTypeUINT128 != iDataType) |
|
656 { |
|
657 User::Leave(KErrArgument); |
|
658 } |
|
659 TUint pageIndex = iPageIndex; |
|
660 TUint bufIndex = iBufIndex; |
|
661 iPropList->IncreaseIndexL(pageIndex, bufIndex, KPropElemHeaderSize, EFalse); |
|
662 iPropList->MemoryCopyL(&low, pageIndex, bufIndex, sizeof(TUint64)); |
|
663 iPropList->IncreaseIndexL(pageIndex, bufIndex, sizeof(TUint64), EFalse); |
|
664 iPropList->MemoryCopyL(&high, pageIndex, bufIndex, sizeof(TUint64)); |
|
665 } |
|
666 |
|
667 EXPORT_C const TDesC& CMTPTypeObjectPropListElement::StringL(TInt aElementId) const |
|
668 { |
|
669 if(EValue != aElementId || EMTPTypeString != iDataType) |
|
670 { |
|
671 User::Leave(KErrArgument); |
|
672 } |
|
673 |
|
674 if (!iArrayBuffered) |
|
675 { |
|
676 TUint arrayLen = 0; |
|
677 TUint pageIndex = iPageIndex; |
|
678 TUint bufIndex = iBufIndex; |
|
679 iPropList->IncreaseIndexL(pageIndex, bufIndex, KPropElemHeaderSize, EFalse); |
|
680 iPropList->MemoryCopyL(&arrayLen, pageIndex, bufIndex, sizeof(TUint8)); |
|
681 iPropList->IncreaseIndexL(pageIndex, bufIndex, sizeof(TUint8), EFalse); |
|
682 |
|
683 if (arrayLen == 0) |
|
684 { |
|
685 // Empty string |
|
686 iStringValue.Set(iStringHolder.Ptr(), 0); |
|
687 } |
|
688 else if (iPropList->ValueBufferConsistent(pageIndex, bufIndex, (arrayLen - 1) * sizeof(TUint16)) |
|
689 && iPropList->ValueAddressAligned(pageIndex, bufIndex)) |
|
690 { |
|
691 //No need to copy data |
|
692 const TUint8* srcPtr = &(iPropList->iIOPages[pageIndex][bufIndex]); |
|
693 iStringValue.Set(reinterpret_cast<const TUint16*>(srcPtr), arrayLen - 1); |
|
694 } |
|
695 else |
|
696 { |
|
697 // The address of srcPtr is not aligned, can't pass the address to TPtr16::Set() |
|
698 // Copy the string data in buffer to iStringHolder |
|
699 TUint16* dstPtr = const_cast<TUint16*>(iStringHolder.Ptr()); |
|
700 iPropList->MemoryCopyL(dstPtr, pageIndex, bufIndex, (arrayLen - 1) * sizeof(TUint16)); |
|
701 iStringValue.Set(dstPtr, arrayLen - 1); |
|
702 } |
|
703 |
|
704 iArrayBuffered = ETrue; |
|
705 } |
|
706 |
|
707 return iStringValue; |
|
708 } |
|
709 |
|
710 EXPORT_C const TDesC8& CMTPTypeObjectPropListElement::ArrayL(TInt aElementId) const |
|
711 { |
|
712 if(EValue != aElementId || iDataType < EMTPTypeFirstSimpleArrayType |
|
713 || iDataType > EMTPTypeLastSimpleArrayType) |
|
714 { |
|
715 User::Leave(KErrArgument); |
|
716 } |
|
717 |
|
718 if (!iArrayBuffered) |
|
719 { |
|
720 TUint32 arrayLen = 0; |
|
721 TUint32 arrayWidth = iPropList->ArrayElemWidth(iDataType); |
|
722 |
|
723 TUint pageIndex = iPageIndex; |
|
724 TUint bufIndex = iBufIndex; |
|
725 iPropList->IncreaseIndexL(pageIndex, bufIndex, KPropElemHeaderSize, EFalse); |
|
726 iPropList->MemoryCopyL(&arrayLen, pageIndex, bufIndex, sizeof(TUint32)); |
|
727 iPropList->IncreaseIndexL(pageIndex, bufIndex, sizeof(TUint32), EFalse); |
|
728 |
|
729 if (arrayLen == 0) |
|
730 { |
|
731 // Empty array |
|
732 iArrayValue.Set(reinterpret_cast<const TUint8*>(iStringHolder.Ptr()), 0); |
|
733 } |
|
734 // if iDataType == EMTPTypeAINT16 or iDataType == EMTPTypeAUINT16, the array maybe be converted to TDes16 by the user, the address should be aligned |
|
735 else if (iPropList->ValueBufferConsistent(pageIndex, bufIndex, arrayLen * arrayWidth) |
|
736 && ((iDataType != EMTPTypeAINT16 && iDataType != EMTPTypeAUINT16) || iPropList->ValueAddressAligned(pageIndex, bufIndex))) |
|
737 { |
|
738 //No need to copy data |
|
739 const TUint8* srcPtr = &(iPropList->iIOPages[pageIndex][bufIndex]); |
|
740 iArrayValue.Set(srcPtr, arrayLen * arrayWidth); |
|
741 } |
|
742 else |
|
743 { |
|
744 // The address of srcPtr is not aligned, can't pass the address to TPtr16::Set() |
|
745 // Copy the array data in buffer to iStringHolder |
|
746 if (iStringHolder.MaxLength() * sizeof(TUint16) < arrayLen * arrayWidth) |
|
747 { |
|
748 iStringHolder.Zero(); |
|
749 iStringHolder.ReAllocL((arrayLen * arrayWidth + 1) / sizeof(TUint16)); |
|
750 } |
|
751 TUint16* dstPtr = const_cast<TUint16*>(iStringHolder.Ptr()); |
|
752 iPropList->MemoryCopyL(dstPtr, pageIndex, bufIndex, arrayLen * arrayWidth); |
|
753 iArrayValue.Set(reinterpret_cast<const TUint8*>(dstPtr), arrayLen * arrayWidth); |
|
754 } |
|
755 iArrayBuffered = ETrue; |
|
756 } |
|
757 |
|
758 return iArrayValue; |
|
759 } |
|
760 |
|
761 |
|
762 EXPORT_C void CMTPTypeObjectPropListElement::SetUint8L(TInt aElementId, TUint8 aData) |
|
763 { |
|
764 if(EValue != aElementId) |
|
765 { |
|
766 User::Leave(KErrArgument); |
|
767 } |
|
768 |
|
769 SetDataType(EMTPTypeUINT8); |
|
770 SetValueL(&aData, sizeof(TUint8)); |
|
771 } |
|
772 |
|
773 EXPORT_C void CMTPTypeObjectPropListElement::SetUint16L(TInt aElementId, TUint16 aData) |
|
774 { |
|
775 switch(aElementId) |
|
776 { |
|
777 case EPropertyCode: |
|
778 { |
|
779 iPropertyCode = aData; |
|
780 // Copy PropertyCode to page buffer |
|
781 TUint pageIndex = iPageIndex; |
|
782 TUint bufIndex = iBufIndex; |
|
783 iPropList->IncreaseIndexL(pageIndex, bufIndex, sizeof(TUint32), ETrue); |
|
784 iPropList->MemoryCopyL(pageIndex, bufIndex, &aData, sizeof(TUint16)); |
|
785 } |
|
786 break; |
|
787 case EDatatype: |
|
788 SetDataType(aData); |
|
789 break; |
|
790 case EValue: |
|
791 SetDataType(EMTPTypeUINT16); |
|
792 SetValueL(&aData, sizeof(TUint16)); |
|
793 break; |
|
794 default: |
|
795 User::Leave(KErrArgument); |
|
796 } |
|
797 } |
|
798 |
|
799 EXPORT_C void CMTPTypeObjectPropListElement::SetUint32L(TInt aElementId, TUint32 aData) |
|
800 { |
|
801 switch(aElementId) |
|
802 { |
|
803 case EObjectHandle: |
|
804 iObjectHandle = aData; |
|
805 iPropList->MemoryCopyL(iPageIndex, iBufIndex, &aData, sizeof(TUint32)); |
|
806 break; |
|
807 case EValue: |
|
808 SetDataType(EMTPTypeUINT32); |
|
809 SetValueL(&aData, sizeof(TUint32)); |
|
810 break; |
|
811 default: |
|
812 User::Leave(KErrArgument); |
|
813 } |
|
814 } |
|
815 |
|
816 EXPORT_C void CMTPTypeObjectPropListElement::SetUint64L(TInt aElementId, TUint64 aData) |
|
817 { |
|
818 if(EValue != aElementId) |
|
819 User::Leave(KErrArgument); |
|
820 |
|
821 SetDataType(EMTPTypeUINT64); |
|
822 SetValueL(&aData, sizeof(TUint64)); |
|
823 } |
|
824 |
|
825 EXPORT_C void CMTPTypeObjectPropListElement::SetUint128L(TInt aElementId, TUint64 high, TUint64 low) |
|
826 { |
|
827 if(EValue != aElementId) |
|
828 { |
|
829 User::Leave(KErrArgument); |
|
830 } |
|
831 |
|
832 SetDataType(EMTPTypeUINT128); |
|
833 TUint pageIndex = iPageIndex; |
|
834 TUint bufIndex = iBufIndex; |
|
835 iPropList->IncreaseIndexL(pageIndex, bufIndex, KPropElemHeaderSize, ETrue); |
|
836 iPropList->MemoryCopyL(pageIndex, bufIndex, &low, sizeof(TUint64)); |
|
837 iPropList->IncreaseIndexL(pageIndex, bufIndex, sizeof(TUint64), ETrue); |
|
838 iPropList->MemoryCopyL(pageIndex, bufIndex, &high, sizeof(TUint64)); |
|
839 iValueSize = sizeof(TUint64) * 2; |
|
840 } |
|
841 |
|
842 EXPORT_C void CMTPTypeObjectPropListElement::SetStringL(TInt aElementId, const TDesC& aString) |
|
843 { |
|
844 if(EValue != aElementId || aString.Length() > KMaxStringSize) |
|
845 { |
|
846 User::Leave(KErrArgument); |
|
847 } |
|
848 |
|
849 TUint8 len = aString.Length() + 1; |
|
850 |
|
851 // For string which length is 255, truncate the last character to handle the file name of 255 |
|
852 if (aString.Length() == KMaxStringSize) |
|
853 { |
|
854 len = KMaxStringSize; |
|
855 } |
|
856 |
|
857 SetDataType(EMTPTypeString); |
|
858 |
|
859 |
|
860 iValueSize = 1 + len * sizeof(TUint16); |
|
861 TUint pageIndex = iPageIndex; |
|
862 TUint bufIndex = iBufIndex; |
|
863 // Copy string length |
|
864 iPropList->IncreaseIndexL(pageIndex, bufIndex, KPropElemHeaderSize, ETrue); |
|
865 iPropList->MemoryCopyL(pageIndex, bufIndex, &len, sizeof(TUint8)); |
|
866 // Copy string data |
|
867 iPropList->IncreaseIndexL(pageIndex, bufIndex, sizeof(TUint8), ETrue); |
|
868 iPropList->MemoryCopyL(pageIndex, bufIndex, aString.Ptr(), (len - 1) * sizeof(TUint16)); |
|
869 // Append terminator |
|
870 iPropList->IncreaseIndexL(pageIndex, bufIndex, (len - 1) * sizeof(TUint16), ETrue); |
|
871 iPropList->MemoryCopyL(pageIndex, bufIndex, KMtpStringTerminator().Ptr(), 2); |
|
872 |
|
873 iArrayBuffered = EFalse; |
|
874 } |
|
875 |
|
876 EXPORT_C void CMTPTypeObjectPropListElement::SetArrayL(TInt aElementId, const CMTPTypeArray& aArray) |
|
877 { |
|
878 if(EValue != aElementId) |
|
879 { |
|
880 User::Leave(KErrArgument); |
|
881 } |
|
882 |
|
883 SetDataType(aArray.Type()); |
|
884 TUint32 num = aArray.NumElements(); |
|
885 |
|
886 |
|
887 TUint pageIndex = iPageIndex; |
|
888 TUint bufIndex = iBufIndex; |
|
889 |
|
890 // Set number of array elements |
|
891 iPropList->IncreaseIndexL(pageIndex, bufIndex, KPropElemHeaderSize, ETrue); |
|
892 iPropList->MemoryCopyL(pageIndex, bufIndex, &num, sizeof(TUint32)); |
|
893 |
|
894 TPtrC8 srcPtr; |
|
895 aArray.FirstReadChunk(srcPtr); |
|
896 srcPtr.Set(srcPtr.Ptr() + sizeof(TUint32), srcPtr.Length() - sizeof(TUint32)); |
|
897 |
|
898 iPropList->IncreaseIndexL(pageIndex, bufIndex, sizeof(TUint32), ETrue); |
|
899 TUint arrayWidth = iPropList->ArrayElemWidth(iDataType); |
|
900 iValueSize = sizeof(TUint32) + num * arrayWidth; |
|
901 iPropList->MemoryCopyL(pageIndex, bufIndex, srcPtr.Ptr(), num * arrayWidth); |
|
902 iArrayBuffered = EFalse; |
|
903 } |
|
904 |
|
905 EXPORT_C void CMTPTypeObjectPropListElement::SetArrayL(TInt aElementId, const TDesC& aString) |
|
906 { |
|
907 if(EValue != aElementId) |
|
908 { |
|
909 User::Leave(KErrArgument); |
|
910 } |
|
911 |
|
912 TUint32 len = aString.Length() + 1; |
|
913 |
|
914 SetDataType(EMTPTypeAUINT16); |
|
915 |
|
916 iValueSize = sizeof(TUint32) + len * sizeof(TUint16); |
|
917 |
|
918 TUint pageIndex = iPageIndex; |
|
919 TUint bufIndex = iBufIndex; |
|
920 // Copy string length |
|
921 iPropList->IncreaseIndexL(pageIndex, bufIndex, KPropElemHeaderSize, ETrue); |
|
922 iPropList->MemoryCopyL(pageIndex, bufIndex, &len, sizeof(TUint32)); |
|
923 // Copy string data |
|
924 iPropList->IncreaseIndexL(pageIndex, bufIndex, sizeof(TUint32), ETrue); |
|
925 iPropList->MemoryCopyL(pageIndex, bufIndex, aString.Ptr(), (len - 1) * sizeof(TUint16)); |
|
926 // Append terminator |
|
927 iPropList->IncreaseIndexL(pageIndex, bufIndex, (len - 1) * sizeof(TUint16), ETrue); |
|
928 iPropList->MemoryCopyL(pageIndex, bufIndex, KMtpStringTerminator().Ptr(), 2); |
|
929 |
|
930 iArrayBuffered = EFalse; |
|
931 } |
|
932 |
|
933 EXPORT_C TUint32 CMTPTypeObjectPropListElement::CMTPTypeObjectPropListElement::Size() const |
|
934 { |
|
935 return iValueSize + KPropElemHeaderSize; |
|
936 } |
|
937 |
|
938 void CMTPTypeObjectPropListElement::SetDataType(TUint16 aDataType) |
|
939 { |
|
940 iDataType = aDataType; |
|
941 TUint pageIndex = iPageIndex; |
|
942 TUint bufIndex = iBufIndex; |
|
943 iPropList->IncreaseIndexL(pageIndex, bufIndex, sizeof(TUint32) + sizeof(TUint16), ETrue); |
|
944 iPropList->MemoryCopyL(pageIndex, bufIndex, &iDataType, sizeof(TUint16)); |
|
945 } |
|
946 |
|
947 void CMTPTypeObjectPropListElement::GetValueL(TAny* aTrg, TUint aLength) const |
|
948 { |
|
949 TUint pageIndex = iPageIndex; |
|
950 TUint bufIndex = iBufIndex; |
|
951 iPropList->IncreaseIndexL(pageIndex, bufIndex, KPropElemHeaderSize, EFalse); |
|
952 iPropList->MemoryCopyL(aTrg, pageIndex, bufIndex, aLength); |
|
953 } |
|
954 |
|
955 void CMTPTypeObjectPropListElement::SetValueL(const TAny* aSrc, TUint aLength) |
|
956 { |
|
957 TUint pageIndex = iPageIndex; |
|
958 TUint bufIndex = iBufIndex; |
|
959 iPropList->IncreaseIndexL(pageIndex, bufIndex, KPropElemHeaderSize, ETrue); |
|
960 iPropList->MemoryCopyL(pageIndex, bufIndex, aSrc, aLength); |
|
961 iValueSize = aLength; |
|
962 } |
|
963 |
|
964 |