1 /* |
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2 * Copyright (c) 2005 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: CXdmXmlContentHandler |
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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 |
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21 #ifndef __XDMXMLCONTENTHANDLER__ |
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22 #define __XDMXMLCONTENTHANDLER__ |
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23 |
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24 //INCLUDES |
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25 #include <contenthandler.h> |
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26 #include "XmlNodePathInterface.h" |
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27 |
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28 using namespace Xml; |
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29 |
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30 class CXdmDocument; |
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31 class CXdmXmlParser; |
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32 class MXdmNodeInterface; |
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33 class CXmlParserNodePath; |
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34 |
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35 //CLASS DECLARATION |
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36 class CXdmXmlContentHandler : public CBase, |
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37 public MContentHandler, |
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38 public MXmlNodePathInterface |
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39 { |
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40 public: // Constructors and destructor |
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41 |
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42 /** |
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43 * Symbian OS Constructor |
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44 * @param CXdmXmlParser Reference to the main parser class |
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45 * @return CXdmXmlContentHandler A new content handler |
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46 */ |
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47 static CXdmXmlContentHandler* NewL( CXdmXmlParser& aParserMain ); |
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48 |
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49 /** |
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50 * Destructor. |
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51 */ |
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52 virtual ~CXdmXmlContentHandler(); |
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53 |
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54 public: // New functions |
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55 |
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56 /** |
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57 * Reset content handler |
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58 * @return void |
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59 */ |
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60 void Reset(); |
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61 |
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62 /** |
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63 * Set the target document |
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64 * @param CXdmDocument& Reference to a document model |
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65 * @return void |
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66 */ |
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67 void SetTarget( const CXdmDocument& aTargetDocument ); |
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68 |
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69 /** |
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70 * Set the target element |
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71 * @param CXdmDocumentNode Referene to document/fragment root |
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72 * @return void |
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73 */ |
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74 void SetTarget( const CXdmDocumentNode& aDocumentRoot ); |
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75 |
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76 /** |
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77 * Set the target document and element |
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78 * @param CXdmDocument Reference to a document model |
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79 * @param CXdmDocumentNode Referene to document/fragment root |
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80 * @return void |
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81 */ |
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82 void SetTargetL( const CXdmDocument& aTargetDocument, |
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83 const CXdmDocumentNode& aTargetNode ); |
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84 |
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85 public: //From MXmlNodePathInterface |
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86 |
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87 /** |
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88 * Return the target attribute |
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89 * @return CXdmNodeAttribute* Target attribute |
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90 */ |
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91 CXdmNodeAttribute* TargetAttribute() const; |
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92 |
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93 private: |
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94 |
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95 /** |
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96 * C++ Constructor |
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97 * @param CXdmXmlParser Reference to the main parser class |
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98 * @return CXdmXmlContentHandler |
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99 */ |
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100 CXdmXmlContentHandler( CXdmXmlParser& aParserMain ); |
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101 |
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102 /** |
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103 * Symbian OS second-phase constructor |
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104 */ |
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105 void ConstructL(); |
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106 |
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107 private: //From Xml::MContentHandler |
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108 |
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109 /** |
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110 * Get extended interface |
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111 * @param TInt32 UID of the interface |
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112 * @return TAny* a general pointer to the interface |
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113 */ |
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114 TAny* GetExtendedInterface( const TInt32 aUid ); |
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115 |
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116 /** |
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117 * Called on content: <elem>content</elem> |
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118 * @param TDesC& Content bytes |
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119 * @param TInt Error code |
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120 * @return void |
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121 */ |
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122 void OnContentL( const TDesC8 &aBytes, |
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123 TInt aErrorCode ); |
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124 |
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125 /** |
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126 * Called on document end |
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127 * @param TInt Error code |
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128 * @return void |
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129 */ |
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130 void OnEndDocumentL( TInt aErrorCode ); |
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131 |
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132 /** |
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133 * Called on element end |
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134 * @param RTagInfo& Tag info |
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135 * @param TInt Error code |
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136 * @return void |
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137 */ |
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138 void OnEndElementL( const RTagInfo& aElement, |
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139 TInt aErrorCode ); |
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140 |
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141 /** |
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142 * Called on prefix mapping end |
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143 * @param RString& Prefix |
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144 * @param TInt Error code |
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145 * @return void |
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146 */ |
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147 void OnEndPrefixMappingL( const RString &aPrefix, |
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148 TInt aErrorCode ); |
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149 |
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150 /** |
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151 * Called on error |
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152 * @param TInt Error code |
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153 * @return void |
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154 */ |
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155 void OnError( TInt aErrorCode ); |
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156 |
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157 /** |
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158 * Called on ingnorable whitespace |
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159 * @param TDesC8& Whitespace bytes |
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160 * @param TInt Error code |
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161 * @return void |
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162 */ |
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163 void OnIgnorableWhiteSpaceL( const TDesC8& aBytes, |
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164 TInt aErrorCode ); |
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165 |
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166 /** |
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167 * Called on processing instructions |
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168 * @param TDesC8& Target |
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169 * @param TDesC8& Data |
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170 * @param TInt Error code |
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171 * @return void |
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172 */ |
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173 void OnProcessingInstructionL( const TDesC8& aTarget, |
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174 const TDesC8& aData, |
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175 TInt aErrorCode ); |
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176 |
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177 /** |
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178 * Called on skipped entity |
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179 * @param RString& Name of the entity |
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180 * @param TInt Error code |
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181 * @return void |
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182 */ |
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183 void OnSkippedEntityL( const RString &aName, |
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184 TInt aErrorCode ); |
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185 |
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186 /** |
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187 * Called on document start |
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188 * @param RDocumentParameters& Parameters |
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189 * @param TInt Error code |
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190 * @return void |
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191 */ |
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192 void OnStartDocumentL( const RDocumentParameters& aDocParam, |
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193 TInt aErrorCode ); |
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194 |
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195 /** |
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196 * Called on element start |
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197 * @param RTagInfo& The starting element |
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198 * @param Xml::RAttributeArray Attributes |
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199 * @param TInt Error code |
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200 * @return void |
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201 */ |
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202 void OnStartElementL( const RTagInfo& aElement, |
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203 const Xml::RAttributeArray &aAttributes, |
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204 TInt aErrorCode ); |
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205 |
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206 /** |
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207 * Called on prefix mapping start |
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208 * @param RString& Prefix |
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209 * @param RString& URI |
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210 * @param TInt Error code |
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211 * @return void |
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212 */ |
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213 void OnStartPrefixMappingL( const RString& aPrefix, |
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214 const RString& aUri, |
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215 TInt aErrorCode ); |
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216 |
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217 private: |
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218 |
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219 /** |
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220 * Append attributes from the parameter array |
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221 * @param Xml::RAttributeArray& Attributes |
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222 * @return void |
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223 */ |
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224 void AppendAttributeValueL( const Xml::RAttributeArray& aAttributes ); |
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225 |
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226 /** |
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227 * Handle next element |
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228 * @param RTagInfo& The new element |
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229 * @param Xml::RAttributeArray& Attributes |
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230 * @return void |
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231 */ |
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232 void HandleNextElementL( const Xml::RTagInfo& aElement, |
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233 const Xml::RAttributeArray& aAttributes ); |
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234 /** |
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235 * Is the parameter descriptor a whitespace |
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236 * @param TDesC8& Bytes to check |
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237 * @return TBool |
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238 */ |
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239 TBool IsWhiteSpace( const TDesC8& aBytes ) const; |
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240 |
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241 /** |
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242 * Append a new namespace |
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243 * @param TDesC8& Prefix |
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244 * @param TDesC8& URI |
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245 * @return void |
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246 */ |
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247 void AppendNameSpaceL( const TDesC8& aPrefix, const TDesC8& aUri ); |
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248 |
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249 /** |
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250 * Set the namespace information to the current node |
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251 * @param RTagInfo& Element |
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252 * @param MXdmNodeInterface* Node interface |
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253 * @return void |
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254 */ |
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255 void SetNamespaceInformationL( const RTagInfo& aElement, |
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256 MXdmNodeInterface* aXcapNode ); |
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257 |
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258 private: // Data |
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259 |
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260 TInt iContentIndex; |
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261 TBool iFinished; |
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262 TBool iIsRootNode; |
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263 TBool iTargetFound; |
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264 TXdmElementType iElementType; |
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265 TBool iPartialDocument; |
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266 CBufFlat* iContentBuffer; |
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267 CXdmDocument* iTargetDocument; |
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268 CXdmDocumentNode* iRootNode; |
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269 CXdmDocumentNode* iDocumentSubset; |
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270 CXdmDocumentNode* iCurrentNode; |
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271 CXdmNodeAttribute* iTargetAttribute; |
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272 CXmlParserNodePath* iNodePath; |
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273 CXdmXmlParser& iParserMain; |
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274 }; |
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275 |
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276 #endif // __XDMXMLCONTENTHANDLER__ |
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277 |
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278 // End of File |
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