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1 /* |
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2 * Copyright (c) 2009-2010 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * CXmlParser implementation |
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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 #include <SenDomFragment.h> |
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22 #include <SenXmlReader.h> |
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23 #include <SenElement.h> |
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24 #include "ADMXmlParser.h" |
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25 #include "ADMPackageInfo.h" |
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26 #include "macros.h" |
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27 #include "config.h" |
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28 |
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29 _LIT(KSisExtension,".sis"); |
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30 |
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31 CXmlParser* CXmlParser::NewLC() |
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32 { |
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33 CXmlParser* object = new ( ELeave ) CXmlParser(); |
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34 CleanupStack::PushL( object ); |
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35 object->ConstructL(); |
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36 return object; |
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37 } |
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38 |
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39 CXmlParser* CXmlParser::NewL() |
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40 { |
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41 CXmlParser* object = CXmlParser::NewLC(); |
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42 CleanupStack::Pop(); |
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43 return object; |
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44 } |
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45 |
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46 CXmlParser::CXmlParser() |
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47 :iXmlReader(NULL), |
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48 iDomFragment(NULL) |
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49 { |
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50 } |
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51 |
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52 CXmlParser::~CXmlParser() |
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53 { |
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54 iRfs.Close(); |
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55 |
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56 if ( iXmlReader ) |
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57 { |
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58 delete iXmlReader; |
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59 iXmlReader = NULL; |
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60 } |
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61 if ( iDomFragment ) |
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62 { |
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63 delete iDomFragment; |
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64 iDomFragment = NULL; |
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65 } |
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66 } |
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67 |
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68 void CXmlParser::ConstructL() |
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69 { |
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70 User::LeaveIfError(iRfs.Connect()); |
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71 } |
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72 |
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73 void CXmlParser::InitL() |
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74 { |
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75 // Do the cleanup as this function could be |
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76 // called multiple times. |
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77 if ( iXmlReader ) |
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78 { |
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79 delete iXmlReader; |
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80 iXmlReader = NULL; |
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81 } |
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82 |
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83 if ( iDomFragment ) |
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84 { |
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85 delete iDomFragment; |
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86 iDomFragment = NULL; |
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87 } |
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88 |
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89 iXmlReader = CSenXmlReader::NewL(EErrorOnUnrecognisedTags); |
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90 iDomFragment = CSenDomFragment::NewL(); |
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91 |
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92 iXmlReader->SetContentHandler(*iDomFragment); |
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93 iDomFragment->SetReader(*iXmlReader); |
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94 } |
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95 |
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96 void CXmlParser::GetChangesInfoL(const TDesC& aChangesFileName, CPackageInfo *packageInfo,CDepTree* mainTree) |
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97 { |
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98 InitL(); |
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99 |
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100 iXmlReader->ParseL(iRfs, aChangesFileName); |
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101 |
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102 // Get package uid |
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103 // Leave if package uid not present |
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104 CSenElement* packageElement; |
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105 packageElement = iDomFragment->AsElement().Element(KFieldDepPackageUid); |
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106 if (packageElement == NULL) |
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107 { |
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108 User::Leave(EMissingPackageUid); |
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109 } |
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110 TPtrC8 packageUidPtr = packageElement->Content(); |
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111 TUint32 packageUid=0; |
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112 if (StringToInt(packageUidPtr,packageUid) != KErrNone) |
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113 { |
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114 User::Leave(EInvalidPackageUid); |
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115 } |
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116 |
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117 //Check whether the packageId received in changes file is same as the one already stored in the packageinfo from dependency info. |
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118 //If there is mismatch, exit. If it matches, proceed further. |
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119 if(packageUid != packageInfo->iPackageUid) |
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120 { |
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121 User::Leave(EIncorrectPackageUid); |
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122 } |
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123 |
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124 packageElement = iDomFragment->AsElement().Element(KFieldDepPackageName); |
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125 if (packageElement) |
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126 { |
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127 DELETE_IF_NONNULL( packageInfo->iPackageName ); |
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128 packageInfo->iPackageName = packageElement->ContentUnicodeL(); |
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129 } |
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130 else |
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131 { |
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132 User::Leave(EMissingPackageName); |
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133 } |
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134 |
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135 // Get dependent package vendor |
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136 packageElement = iDomFragment->AsElement().Element(KFieldDepVendor); |
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137 if (packageElement) |
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138 { |
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139 DELETE_IF_NONNULL( packageInfo->iVendor ); |
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140 packageInfo->iVendor = packageElement->ContentUnicodeL(); |
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141 } |
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142 else |
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143 { |
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144 User::Leave(EMissingVendorName); |
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145 } |
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146 |
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147 // Get Priority for the drive |
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148 //This is optional.Hence no Leave for Missing Priority. |
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149 //Default is 0. |
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150 packageElement = iDomFragment->AsElement().Element(KFieldDrivePriority); |
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151 if(packageElement) |
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152 { |
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153 TPtrC8 drivePtr = packageElement->Content(); |
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154 if (StringToInt(drivePtr,packageInfo->iDrivePriority) != KErrNone) |
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155 { |
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156 User::Leave(EInvalidDrivePriority); |
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157 } |
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158 } |
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159 |
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160 // Get the mandatory drive. |
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161 //This is optional.Hence no Leave for Missing info. |
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162 //Default is none. |
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163 packageElement = iDomFragment->AsElement().Element(KFieldMandatoryInstallDrive); |
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164 if(packageElement) |
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165 { |
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166 packageInfo->iMandatoryInstallDrive = packageElement->ContentUnicodeL()->Des()[0]; |
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167 } |
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168 |
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169 GetVersionInfoL(packageInfo,mainTree->GetMachineId()); |
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170 } |
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171 |
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172 void CXmlParser::GetVersionInfoL(CPackageInfo *packageInfo,TUint32 machineId) |
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173 { |
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174 RPointerArray<CSenElement> versionInfo; |
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175 CleanupClosePushL(versionInfo); |
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176 |
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177 iDomFragment->AsElement().ElementsL(versionInfo,KFieldVersionInformation); |
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178 const TInt versionInfoCount(versionInfo.Count()); |
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179 TVersion latestVersion(0,0,0); |
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180 TInt latestVersionCount = -1; |
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181 CSenElement* packageElement; |
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182 |
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183 //Changes file will contain different versions of the package along |
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184 //with the list of supporrted devices for that perticular version. |
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185 |
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186 //If no version was specified in the dep file, then the latest should be read. |
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187 //While reading the latest, it should be confirmed whether the same supports the given device. |
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188 |
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189 for (TInt i=0; i<versionInfoCount; ++i) |
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190 { |
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191 packageElement = versionInfo[i]->Element(KFieldDepPackageVersion); |
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192 if (packageElement == NULL) |
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193 { |
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194 User::Leave(EMissingDepVersion); |
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195 } |
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196 |
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197 TPtrC8 versionPtr = packageElement->Content(); |
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198 TVersion ver; |
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199 if (SetVersion(versionPtr, ver) == EFalse) |
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200 { |
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201 User::Leave(EInvalidVersion); |
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202 } |
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203 |
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204 //Check whether the MachineID of this device is supported for this corresponding version in the changes file. |
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205 if(checkMachineIdL(versionInfo[i],machineId)) |
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206 { |
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207 if((CompareVersions(packageInfo->iVersion,ver) == EEqualVersion)||(CompareVersions(packageInfo->iVersion,ver) == EGreaterSecondVersion)) |
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208 { |
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209 //Version specified in the dep file of parent matches the version in the changes file which inturn matches to the MachineID. :) |
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210 //Or there exists a greater version in changes file. |
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211 latestVersion = ver; |
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212 latestVersionCount = i; |
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213 } |
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214 } |
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215 }//end of for loop |
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216 |
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217 if(latestVersionCount == -1) |
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218 { |
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219 //No matching Machine IDs at all for any version specified in the changes file. |
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220 User::Leave(EUnsupportedDevice); |
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221 } |
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222 else |
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223 { |
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224 packageInfo->iVersion = latestVersion; |
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225 } |
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226 |
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227 // Get dependent package URL |
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228 packageElement= versionInfo[latestVersionCount]->Element(KFieldDepUrl); |
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229 if (packageElement) |
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230 { |
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231 DELETE_IF_NONNULL( packageInfo->iUrl ); |
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232 TPtrC8 urlPtr = packageElement->Content(); |
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233 |
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234 HBufC8* url = urlPtr.AllocL(); |
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235 |
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236 packageInfo->iUrl = url; |
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237 } |
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238 else |
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239 { |
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240 User::Leave(EMissingPackageUrl); |
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241 } |
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242 |
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243 |
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244 packageElement = versionInfo[latestVersionCount]->Element(KFieldDepFileName); |
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245 if (packageElement) |
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246 { |
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247 DELETE_IF_NONNULL( packageInfo->iDepFileName ); |
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248 packageInfo->iDepFileName = packageElement->ContentUnicodeL(); |
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249 } |
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250 else |
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251 { |
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252 User::Leave(EMissingDepFileName); |
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253 } |
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254 |
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255 packageElement = versionInfo[latestVersionCount]->Element(KFieldInstallPackageName); |
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256 if (packageElement) |
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257 { |
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258 DELETE_IF_NONNULL( packageInfo->iSisPackageName ); |
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259 packageInfo->iSisPackageName = packageElement->ContentUnicodeL(); |
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260 } |
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261 else |
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262 { |
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263 User::Leave(EMissingSisFileName); |
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264 } |
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265 |
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266 packageElement = versionInfo[latestVersionCount]->Element(KFieldDateOfSubmission); |
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267 if (packageElement) |
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268 { |
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269 DELETE_IF_NONNULL( packageInfo->iDateOfSubmission ); |
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270 packageInfo->iDateOfSubmission = packageElement->ContentUnicodeL(); |
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271 } |
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272 else |
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273 { |
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274 User::Leave(EMissingSubmissionDate); |
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275 } |
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276 //TODO: There needs to be a separate function to convert the Date format into a string format. |
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277 //Call that function here. |
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278 packageElement = versionInfo[latestVersionCount]->Element(KFieldDateOfModification); |
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279 if (packageElement) |
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280 { |
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281 DELETE_IF_NONNULL( packageInfo->iDateOfModification ); |
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282 packageInfo->iDateOfModification = packageElement->ContentUnicodeL(); |
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283 } |
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284 else |
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285 { |
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286 User::Leave(EMissingModificationDate); |
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287 } |
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288 |
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289 packageElement = versionInfo[latestVersionCount]->Element(KFieldDownloadSize); |
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290 TPtrC8 downloadSizePtr = packageElement->Content(); |
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291 TUint32 downloadSize=0; |
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292 if (StringToInt(downloadSizePtr,downloadSize) != KErrNone) |
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293 { |
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294 User::Leave(EInvalidPackageUid); |
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295 } |
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296 if(downloadSize) |
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297 { |
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298 packageInfo->iDownloadSize = downloadSize; |
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299 } |
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300 else |
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301 { |
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302 User::Leave(EMissingDownloadSize); |
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303 } |
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304 |
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305 packageElement = versionInfo[latestVersionCount]->Element(KFieldInstalledSize); |
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306 TPtrC8 installedSizePtr = packageElement->Content(); |
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307 TUint32 installedSize=0; |
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308 if (StringToInt(installedSizePtr,installedSize) != KErrNone) |
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309 { |
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310 User::Leave(EInvalidPackageUid); |
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311 } |
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312 if(installedSize) |
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313 { |
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314 packageInfo->iInstalledSize = installedSize; |
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315 } |
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316 else |
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317 { |
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318 User::Leave(EMissingInstalledSize); |
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319 } |
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320 CleanupStack::PopAndDestroy(&versionInfo); |
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321 } |
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322 |
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323 TBool CXmlParser::checkMachineIdL(CSenElement *versionInfo, TUint32 machineId) |
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324 { |
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325 RPointerArray<CSenElement> deviceInfo; |
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326 CleanupClosePushL(deviceInfo); |
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327 |
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328 versionInfo->ElementsL(deviceInfo,KFieldSupportedDevice); |
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329 const TInt deviceInfoCount(deviceInfo.Count()); |
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330 |
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331 CSenElement* packageElement; |
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332 |
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333 // See if the device is supported by this |
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334 // particular version, by comparing the list |
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335 // of machine ids supported by the version |
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336 // with the machine id of device. . |
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337 for(TInt i=0;i<deviceInfoCount;i++) |
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338 { |
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339 packageElement = deviceInfo[i]->Element(KFieldDeviceMachineId); |
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340 |
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341 if (packageElement == NULL) |
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342 { |
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343 User::Leave(EMissingMachineID); |
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344 } |
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345 TPtrC8 packageUidPtr = packageElement->Content(); |
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346 TUint32 changesMachineId = 0; |
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347 if (StringToInt(packageUidPtr,changesMachineId) != KErrNone) |
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348 { |
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349 User::Leave(EInvalidMachineID); |
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350 } |
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351 if(changesMachineId == machineId) |
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352 { |
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353 CleanupStack::PopAndDestroy(&deviceInfo); |
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354 return ETrue; |
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355 } |
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356 } |
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357 CleanupStack::PopAndDestroy(&deviceInfo); |
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358 return EFalse; |
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359 } |
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360 |
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361 CPackageInfo* CXmlParser::GetDepContentsL(const TDesC& aDepFileName, CPackageInfo *packageInfo, CDepTree* aMainTree) |
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362 { |
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363 InitL(); |
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364 |
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365 iXmlReader->ParseL(iRfs, aDepFileName); |
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366 |
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367 // Get package uid |
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368 // Leave if package uid not present |
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369 CSenElement* packageElement; |
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370 packageElement = iDomFragment->AsElement().Element(KFieldPackageUid); |
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371 if (packageElement == NULL) |
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372 { |
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373 User::Leave(EMissingPackageUid); |
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374 } |
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375 TPtrC8 packageUidPtr = packageElement->Content(); |
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376 TUint32 packageUid=0; |
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377 if (StringToInt(packageUidPtr,packageUid) != KErrNone) |
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378 { |
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379 User::Leave(EInvalidPackageUid); |
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380 } |
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381 |
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382 User::LeaveIfNull(aMainTree); |
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383 if(aMainTree->IsDepTreeEmpty()) |
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384 { |
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385 // Add root package(first package) to the list |
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386 packageInfo = CPackageInfo::NewL(); |
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387 packageInfo->iPackageUid = packageUid; |
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388 packageInfo->iPackageStatus = EPackageRootToBeInstalled; |
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389 aMainTree->AddPackageInfo(packageInfo); |
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390 } |
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391 else |
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392 { |
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393 User::LeaveIfNull(packageInfo); |
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394 if(packageInfo->iPackageUid != packageUid) |
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395 { |
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396 //the package pointer doesn't match the depfile |
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397 User::Leave(EInvalidPackageUid); |
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398 } |
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399 } |
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400 |
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401 // Get Dep version |
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402 // Leave if Dep version is not present |
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403 packageElement = iDomFragment->AsElement().Element(KFieldDepVersion); |
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404 if (packageElement == NULL) |
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405 { |
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406 User::Leave(EMissingDepVersion); |
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407 } |
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408 else |
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409 { |
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410 TPtrC8 versionPtr = packageElement->Content(); |
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411 TVersion ver; |
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412 if (SetVersion(versionPtr, ver) == EFalse) |
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413 { |
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414 User::Leave(EInvalidVersion); |
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415 } |
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416 packageInfo->iDepVersion = ver; |
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417 } |
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418 |
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419 // Parse the dependencies |
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420 SetDependenciesL(packageInfo, aMainTree); |
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421 |
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422 return packageInfo; |
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423 } |
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424 |
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425 void CXmlParser::SetDependenciesL(CPackageInfo* aPackageInfo, CDepTree* aMainTree) |
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426 { |
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427 // Get dependencies |
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428 RPointerArray<CSenElement> dependency; |
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429 CleanupClosePushL(dependency); |
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430 |
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431 iDomFragment->AsElement().ElementsL(dependency,KFieldDependency); |
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432 const TInt DependencyCount(dependency.Count()); |
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433 |
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434 User::LeaveIfNull(aMainTree); |
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435 User::LeaveIfNull(aPackageInfo); |
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436 |
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437 |
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438 TBool IsNonRootNodeDep = 1; |
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439 |
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440 // Check if the dependencies are of the root node. |
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441 // If yes, then clear the flag |
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442 if (aMainTree->GetRootNode() == aPackageInfo) |
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443 { |
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444 IsNonRootNodeDep = 0; |
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445 } |
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446 |
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447 for (TInt i=0; i<DependencyCount; ++i) |
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448 { |
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449 // Get dependency UID |
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450 CSenElement* packageElement; |
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451 TUint32 depPackageUid = 0; |
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452 packageElement = dependency[i]->Element(KFieldDepPackageUid); |
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453 if (packageElement == NULL) |
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454 { |
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455 User::Leave(EMissingPackageUid); |
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456 } |
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457 TPtrC8 depPackageUidPtr = packageElement->Content(); |
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458 if ( StringToInt(depPackageUidPtr,depPackageUid) != KErrNone ) |
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459 { |
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460 User::Leave(EInvalidPackageUid); |
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461 } |
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462 |
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463 // Check if the dependency already present in the tree. |
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464 CPackageInfo* depPackageInfo = aMainTree->LocatePackageInDepTree(depPackageUid); |
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465 |
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466 // If dependency is listed in the tree, |
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467 // create a new edge for it |
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468 if (depPackageInfo != NULL) |
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469 { |
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470 aPackageInfo->AddEdgeL(depPackageInfo); |
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471 continue; |
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472 } |
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473 |
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474 // Dependency is not already present, so create a new node |
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475 depPackageInfo = CPackageInfo::NewL(); |
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476 aMainTree->AddPackageInfo(depPackageInfo); |
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477 |
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478 depPackageInfo->iPackageUid = depPackageUid; |
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479 aPackageInfo->AddEdgeL(depPackageInfo); |
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480 |
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481 // Get dependent package name |
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482 packageElement = dependency[i]->Element(KFieldDepPackageName); |
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483 if (packageElement) |
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484 { |
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485 depPackageInfo->iPackageName = packageElement->ContentUnicodeL(); |
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486 } |
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487 else if(IsNonRootNodeDep) |
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488 { |
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489 User::Leave(EMissingPackageName); |
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490 } |
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491 else |
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492 { |
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493 depPackageInfo->iPackageName = HBufC::NewL( |
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494 depPackageUidPtr.Length() + |
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495 KSisExtension().Length()); |
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496 |
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497 TPtr depPackageName(depPackageInfo->iPackageName->Des()); |
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498 depPackageName.Copy(depPackageUidPtr); |
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499 depPackageName.Append(KSisExtension); |
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500 } |
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501 |
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502 |
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503 // Get dependent package version |
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504 packageElement = dependency[i]->Element(KFieldDepPackageVersion); |
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505 |
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506 if(packageElement) |
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507 { |
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508 TPtrC8 versionPtr = packageElement->Content(); |
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509 TVersion ver; |
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510 if (SetVersion(versionPtr, ver) == EFalse) |
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511 { |
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512 User::Leave(EInvalidVersion); |
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513 } |
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514 depPackageInfo->iVersion = ver; |
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515 } |
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516 else if(IsNonRootNodeDep) |
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517 { |
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518 User::Leave(EMissingPackageVersion); |
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519 } |
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520 |
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521 // Get dependent package vendor |
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522 packageElement = dependency[i]->Element(KFieldDepVendor); |
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523 if (packageElement) |
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524 { |
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525 depPackageInfo->iVendor = packageElement->ContentUnicodeL(); |
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526 } |
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527 else if(IsNonRootNodeDep) |
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528 { |
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529 User::Leave(EMissingVendorName); |
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530 } |
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531 |
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532 #ifdef url_support |
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533 // Get dependent package URL |
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534 packageElement = dependency[i]->Element(KFieldDepUrl); |
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535 |
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536 if (packageElement) |
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537 { |
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538 TPtrC8 urlPtr = packageElement->Content(); |
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539 HBufC8* url = urlPtr.AllocL(); |
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540 |
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541 TPtr8 urlPtr2 = url->Des(); |
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542 urlPtr2.Copy(urlPtr); |
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543 |
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544 depPackageInfo->iUrl = url; |
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545 } |
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546 else if(IsNonRootNodeDep) |
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547 { |
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548 User::Leave(EMissingPackageUrl); |
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549 } |
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550 #else |
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551 // Ignore the Url(if specified) for the root node. |
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552 if(IsNonRootNodeDep) |
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553 { |
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554 // Get dependent package URL |
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555 packageElement = dependency[i]->Element(KFieldDepUrl); |
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556 if (packageElement) |
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557 { |
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558 depPackageInfo->iUrl = packageElement->Content().AllocL(); |
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559 } |
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560 else |
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561 { |
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562 User::Leave(EMissingPackageUrl); |
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563 } |
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564 } |
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565 #endif |
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566 //Set the changes file name |
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567 depPackageInfo->SetChangesFileNameL(); |
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568 } |
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569 CleanupStack::PopAndDestroy(&dependency); |
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570 } |
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571 |
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572 TInt CXmlParser::StringToInt(const TDesC8& aString, TUint32& aInt) |
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573 { |
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574 // Function will return EFalse if string conversion fails. |
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575 TLex8 lex(aString); |
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576 lex.SkipSpace(); |
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577 |
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578 if (lex.Peek() == '0') |
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579 { |
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580 lex.Inc(); |
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581 TChar c( lex.Peek() ); |
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582 c.LowerCase(); |
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583 if (c == 'x') |
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584 { |
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585 lex.Inc(); |
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586 return ( lex.Val(aInt,EHex) ); |
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587 } |
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588 else |
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589 { |
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590 lex.UnGet(); |
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591 } |
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592 } |
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593 return ( lex.Val(aInt,EDecimal) ); |
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594 } |