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1 /* |
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2 * Copyright (c) 2002-2004 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: ?Description |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 #ifndef DRMPROTECTEDROPARSER_H |
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21 #define DRMPROTECTEDROPARSER_H |
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22 |
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23 // INCLUDES |
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24 #include <e32std.h> |
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25 #include <Xml/Parser.h> |
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26 #include <Xml/ContentHandler.h> |
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27 #include <Xml/XmlParserErrors.h> |
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28 #include <Xml/Attribute.h> |
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29 #include "DrmRightsClient.h" |
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30 |
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31 using namespace Xml; |
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32 |
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33 // FORWARD DECLARATIONS |
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34 class CDRMRights; |
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35 |
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36 // CLASS DECLARATION |
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37 |
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38 /** |
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39 * Parser for protected rights objects |
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40 * |
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41 * @lib DrmParsers.dll |
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42 * @since Series 60 3.0 |
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43 */ |
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44 NONSHARABLE_CLASS(CDrmProtectedRoParser): public CBase, public MContentHandler |
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45 { |
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46 public: |
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47 |
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48 class CParsedProtectedRo; |
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49 |
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50 enum TParserType |
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51 { |
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52 EXmlParser, |
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53 EWbxmlParser |
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54 }; |
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55 |
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56 static const TInt KMaxElementCount = 40; |
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57 static const TInt KMaxElementNesting = 16; |
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58 |
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59 public: // Constructors and destructor |
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60 |
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61 /** |
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62 * Two-phased constructor. |
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63 */ |
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64 IMPORT_C static CDrmProtectedRoParser* NewL(); |
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65 |
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66 /** |
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67 * Destructor. |
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68 */ |
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69 IMPORT_C ~CDrmProtectedRoParser(); |
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70 |
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71 public: // New functions |
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72 |
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73 /** |
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74 * ?member_description. |
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75 * @since Series ?XX ?SeriesXX_version |
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76 * @param ?arg1 ?description |
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77 * @return ?description |
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78 */ |
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79 void ParseL( |
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80 const TDesC8& aProtectedRo, |
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81 CParsedProtectedRo*& aResultRights); |
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82 |
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83 IMPORT_C void ParseAndStoreL( |
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84 const TDesC8& aProtectedRo, |
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85 RPointerArray<CDRMRights>& aResultRights); |
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86 |
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87 IMPORT_C HBufC8* GetRiUrlL( |
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88 const TDesC8& aProtectedRo); |
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89 |
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90 IMPORT_C HBufC8* GetDomainIdL( |
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91 const TDesC8& aProtectedRo); |
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92 |
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93 IMPORT_C HBufC8* GetRiIdL( |
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94 const TDesC8& aProtectedRo); |
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95 |
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96 public: // Functions from base classes |
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97 |
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98 /** |
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99 * From ?base_class ?member_description. |
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100 * @param aDocParam Specifies the various parameters of the document. |
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101 * @arg aDocParam.iCharacterSetName The character encoding of the document. |
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102 * @param aErrorCode is the error code. |
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103 * If this is not KErrNone then special action may be required. |
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104 */ |
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105 void OnStartDocumentL( |
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106 const RDocumentParameters& aDocParam, |
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107 TInt aErrorCode); |
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108 |
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109 /** |
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110 * From ?base_class ?member_description. |
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111 * @param aErrorCode is the error code. |
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112 * If this is not KErrNone then special action may be required. |
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113 */ |
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114 void OnEndDocumentL( |
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115 TInt aErrorCode); |
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116 |
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117 /** |
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118 * From ?base_class ?member_description. |
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119 * @param aElement is a handle to the element's details. |
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120 * @param aAttributes contains the attributes for the element. |
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121 * @param aErrorCode is the error code. |
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122 * If this is not KErrNone then special action may be required. |
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123 */ |
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124 void OnStartElementL( |
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125 const RTagInfo& aElement, |
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126 const RAttributeArray& aAttributes, |
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127 TInt aErrorCode); |
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128 |
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129 /** |
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130 * From ?base_class ?member_description. |
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131 * @param aElement is a handle to the element's details. |
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132 * @param aErrorCode is the error code. |
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133 * If this is not KErrNone then special action may be required. |
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134 */ |
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135 void OnEndElementL( |
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136 const RTagInfo& aElement, |
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137 TInt aErrorCode); |
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138 |
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139 /** |
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140 * From ?base_class ?member_description. |
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141 * @param aBytes is the raw content data for the element. |
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142 * The client is responsible for converting the data to the |
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143 * required character set if necessary. |
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144 * In some instances the content may be binary and must not be converted. |
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145 * @param aErrorCode is the error code. |
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146 * If this is not KErrNone then special action may be required. |
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147 */ |
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148 void OnContentL( |
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149 const TDesC8& aBytes, |
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150 TInt aErrorCode); |
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151 |
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152 /** |
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153 * From ?base_class ?member_description. |
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154 * @param aPrefix is the Namespace prefix being declared. |
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155 * @param aUri is the Namespace URI the prefix is mapped to. |
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156 * @param aErrorCode is the error code. |
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157 * If this is not KErrNone then special action may be required. |
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158 */ |
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159 void OnStartPrefixMappingL( |
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160 const RString& aPrefix, |
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161 const RString& aUri, |
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162 TInt aErrorCode); |
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163 |
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164 /** |
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165 * From ?base_class ?member_description. |
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166 * @param aPrefix is the Namespace prefix that was mapped. |
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167 * @param aErrorCode is the error code. |
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168 * If this is not KErrNone then special action may be required. |
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169 */ |
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170 void OnEndPrefixMappingL( |
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171 const RString& aPrefix, |
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172 TInt aErrorCode); |
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173 |
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174 /** |
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175 * From ?base_class ?member_description. |
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176 * @param aBytes are the ignored bytes from the document being parsed. |
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177 * @param aErrorCode is the error code. |
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178 * If this is not KErrNone then special action may be required. |
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179 */ |
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180 void OnIgnorableWhiteSpaceL( |
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181 const TDesC8& aBytes, |
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182 TInt aErrorCode); |
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183 |
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184 /** |
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185 * From ?base_class ?member_description. |
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186 * @param aName is the name of the skipped entity. |
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187 * @param aErrorCode is the error code. |
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188 * If this is not KErrNone then special action may be required. |
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189 */ |
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190 void OnSkippedEntityL( |
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191 const RString& aName, |
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192 TInt aErrorCode); |
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193 |
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194 /** |
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195 * From ?base_class ?member_description. |
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196 * @param aTarget is the processing instruction target. |
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197 * @param aData is the processing instruction data. If empty none was supplied. |
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198 * @param aErrorCode is the error code. |
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199 * If this is not KErrNone then special action may be required. |
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200 */ |
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201 void OnProcessingInstructionL( |
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202 const TDesC8& aTarget, |
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203 const TDesC8& aData, |
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204 TInt aErrorCode); |
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205 |
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206 /** |
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207 * From ?base_class ?member_description. |
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208 */ |
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209 void OnOutOfData(); |
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210 |
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211 |
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212 /** |
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213 * From ?base_class ?member_description. |
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214 * @param aError is the error code |
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215 */ |
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216 void OnError( |
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217 TInt aErrorCode); |
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218 |
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219 /** |
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220 * From ?base_class ?member_description. |
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221 * @return 0 if no interface matching the uid is found. |
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222 Otherwise, the this pointer cast to that interface. |
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223 * @param aUid the uid identifying the required interface. |
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224 */ |
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225 TAny* GetExtendedInterface( |
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226 const TInt32 aUid); |
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227 |
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228 protected: // New functions |
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229 |
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230 /** |
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231 * ?member_description. |
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232 * @since Series ?XX ?SeriesXX_version |
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233 * @param ?arg1 ?description |
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234 * @return ?description |
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235 */ |
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236 TInt MatchStackState(void); |
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237 |
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238 /** |
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239 * ?member_description. |
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240 * @since Series ?XX ?SeriesXX_version |
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241 * @param ?arg1 ?description |
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242 * @return ?description |
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243 */ |
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244 HBufC8* GetAttributeValueL( |
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245 const RAttributeArray& aAttrList, |
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246 const TDesC8& aAttrName); |
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247 |
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248 /** |
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249 * Find the next start and end position of an XML element |
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250 * in the given data |
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251 * @since Series 60 3.0 |
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252 * @param aElement Element to look for |
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253 * @param aData Input data |
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254 * @param aStart return parameter for the beginning of the element |
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255 * @param aEnd return parameter for the end of the element |
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256 * @return EFalse if no element could be found, ETrue otherwise |
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257 */ |
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258 TBool GetElementStartEnd( |
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259 const TDesC8& aElement, |
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260 const TDesC8& aData, |
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261 TInt& aStart, |
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262 TInt& aEnd); |
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263 |
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264 /** |
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265 * Handle a parsed domain RO which could not be added to the rights DB |
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266 * because the device is not part of the domain. |
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267 * @since Series 60 3.0 |
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268 * @param aDomainRoData domain RO as XML data |
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269 * @param aDomainRo parsed domain RO |
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270 */ |
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271 void HandleUnregisteredDomainRoL( |
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272 const TDesC8& aContentId, |
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273 const TDesC8& aDomainRoData, |
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274 CParsedProtectedRo* aDomainRo); |
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275 |
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276 /** |
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277 * Adds ROAP namespace URI to aProtectedRo if not already present |
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278 * @since Series 60 3.0 |
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279 * @param aProtectedRo protected RO element |
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280 * @return protected RO element, if namespace was not added NULL |
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281 */ |
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282 HBufC8* CDrmProtectedRoParser::AddRoapNamespaceL( |
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283 TDesC8& aProtectedRo ) const; |
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284 |
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285 private: |
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286 |
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287 /** |
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288 * C++ default constructor. |
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289 */ |
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290 CDrmProtectedRoParser(void); |
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291 |
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292 void ConstructL(void); |
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293 |
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294 private: // Data |
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295 // The XML parser |
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296 CParser* iParser; |
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297 |
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298 // Result of parsing the protected RO element |
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299 CParsedProtectedRo* iRights; |
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300 |
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301 // Expected element names |
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302 RString iElements[KMaxElementCount]; |
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303 |
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304 // Parsing stack |
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305 TInt iElementStack[KMaxElementNesting]; |
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306 |
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307 // Depth of the parsing stack |
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308 TInt iElementStackDepth; |
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309 |
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310 // Content between elements |
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311 HBufC8* iContent; |
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312 |
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313 }; |
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314 |
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315 #endif // DRMPROTECTEDROPARSER_H |
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316 |
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317 // End of File |