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1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // Document node functions |
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15 // |
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16 |
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17 #include <stdlib.h> |
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18 #include <bafl/sysutil.h> |
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19 |
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20 #include <xml/utils/xmlengmem.h> |
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21 #include <xml/dom/xmlengdocument.h> |
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22 #include "xmlengfileoutputstream.h" |
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23 #include <xml/dom/xmlengerrors.h> |
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24 #include "xmlengownednodescontainer.h" |
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25 #include "xmlengdomdefs.h" |
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26 #include <xml/dom/xmlengdatacontainer.h> |
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27 #include <xml/dom/xmlengbinarycontainer.h> |
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28 #include <xml/dom/xmlengchunkcontainer.h> |
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29 #include <xml/dom/xmlengfilecontainer.h> |
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30 #include <xml/dom/xmlengdataserializer.h> |
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31 #include <xml/dom/xmlengelement.h> |
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32 #include <xml/dom/xmlengcdatasection.h> |
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33 #include <xml/dom/xmlengprocessinginstruction.h> |
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34 #include <xml/dom/xmlengcomment.h> |
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35 #include <xml/dom/xmlengdocumentfragment.h> |
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36 #include <xml/dom/xmlengentityreference.h> |
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37 #include <xml/dom/xmlengoutputstream.h> |
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38 #include <xml/dom/xmlengdomimplementation.h> |
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39 |
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40 #include <xml/utils/xmlengxestrings.h> |
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41 #include <stdapis/libxml2/libxml2_parser.h> |
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42 #include <stdapis/libxml2/libxml2_xmlio.h> |
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43 #include "libxml2_xmlsave_private.h" |
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44 #include "libxml2_tree_private.h" |
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45 #include "libxml2_globals_private.h" |
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46 #include <stdapis/libxml2/libxml2_parserinternals.h> |
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47 #include "libxml2_valid_private.h" |
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48 |
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49 int XMLCALL NodeFilterCallback(void* aFilter, xmlNodePtr aNode); |
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50 void LibxmlDocumentCleanup(TAny* aAttrPtr); |
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51 void LibxmlNodeCleanup(TAny* aNodePtr); |
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52 |
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53 // ----------------------------------------------------------------------------------------------- |
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54 // "Write" callback registered in libxml2 for using with custom output stream |
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55 // during serializing XML. |
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56 // |
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57 // This callback is invoked repeatedly during serialization; |
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58 // when whole data is serialized the "Close" callback is called for a output stream. |
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59 // |
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60 // @param aContext User data that was used during callback registration |
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61 // XML Engine uses here a pointer to MXmlEngOutputStream provided by client app |
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62 // @param aBuffer Buffer where the next part of serialized XML has just been written |
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63 // @param aLen Number of bytes written to the buffer |
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64 // |
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65 // The callback is prototyped by libxml2's type declaration: |
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66 // @code |
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67 // typedef int (*xmlOutputWriteCallback) (void* context, const char* buffer, int len); |
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68 // @endcode |
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69 // ----------------------------------------------------------------------------------------------- |
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70 // |
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71 int XmlEngineIOWriteCallback(void* aContext, const char* aBuffer, int aLen) |
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72 { |
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73 MXmlEngOutputStream* stream = reinterpret_cast<MXmlEngOutputStream*>(aContext); |
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74 return stream->Write(TPtrC8(reinterpret_cast<TUint8*>(const_cast<char*>(aBuffer)), aLen)); |
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75 } |
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76 |
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77 // ----------------------------------------------------------------------------------------------- |
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78 // "Close" callback registered in libxml2 for using with custom output stream |
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79 // during serializing XML. |
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80 // |
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81 // This callback is invoked after the last "Write" callback. |
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82 // |
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83 // @param aContext User data that was used during callback registration |
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84 // XML Engine uses here a pointer to MXmlEngOutputStream provided by client app |
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85 // |
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86 // The callback is prototyped by libxml2's type declaration: |
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87 // @code |
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88 // typedef int (*xmlOutputCloseCallback) (void* context); |
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89 // @endcode |
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90 // ----------------------------------------------------------------------------------------------- |
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91 // |
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92 int XmlEngineIOCloseCallback(void* aContext) |
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93 { |
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94 MXmlEngOutputStream* stream = reinterpret_cast<MXmlEngOutputStream*>(aContext); |
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95 return stream->Close(); |
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96 } |
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97 |
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98 // ----------------------------------------------------------------------------------------------- |
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99 // Data serialization callback registered in libxml2 for custom node data serialization. |
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100 // |
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101 // This callback is invoked whenever EText node contains data of given length, for example |
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102 // binary data or data stored in a memory chunk. |
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103 // |
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104 // @param aContext Data serializer provided by client app |
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105 // @param aNode Node that contains data to be serialized |
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106 // ----------------------------------------------------------------------------------------------- |
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107 // |
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108 unsigned char* DataSerializationCallback(void* aContext, xmlNodePtr aNode, int* aWritten) |
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109 { |
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110 TPtrC8 ptr(KNullDesC8()); |
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111 MXmlEngDataSerializer* dataSerializer = reinterpret_cast<MXmlEngDataSerializer*>(aContext); |
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112 TRAPD(err, ptr.Set(dataSerializer->SerializeDataL(TXmlEngNode(aNode)))); |
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113 if(err) |
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114 { |
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115 *aWritten = err; |
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116 return NULL; |
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117 } |
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118 |
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119 *aWritten = ptr.Size(); |
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120 return (unsigned char*)ptr.Ptr(); |
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121 } |
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122 |
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123 #define LIBXML_DOC (static_cast<xmlDocPtr>(iInternal)) |
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124 |
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125 // ------------------------------------------------------------------------------------------------------- |
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126 // Closes the RXmlEngDocument object: the whole document tree is destroyed and all memory is released. |
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127 // |
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128 // All owned by the document nodes (created by it or unlinked from the document and not linked elsewhere) |
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129 // are destroyed too. |
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130 // ------------------------------------------------------------------------------------------------------- |
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131 // |
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132 EXPORT_C void RXmlEngDocument::Close() |
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133 { |
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134 if(LIBXML_DOC) |
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135 { |
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136 LibxmlDocumentCleanup(LIBXML_DOC); |
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137 iInternal = NULL; |
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138 } |
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139 } |
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140 |
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141 EXPORT_C void RXmlEngDocument::OpenL(RXmlEngDOMImplementation& aDOMImpl) |
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142 { |
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143 iImpl = &aDOMImpl; |
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144 xmlDocPtr doc = xmlNewDoc(NULL); |
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145 OOM_IF_NULL(doc); |
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146 iInternal = doc; |
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147 CleanupClosePushL(*this); |
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148 InitOwnedNodeListL(); |
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149 CleanupStack::Pop(); |
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150 }; |
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151 |
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152 EXPORT_C void RXmlEngDocument::OpenL(RXmlEngDOMImplementation& aDOMImpl, void* aInternal) |
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153 { |
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154 iImpl = &aDOMImpl; |
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155 iInternal = aInternal; |
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156 CleanupStack::PushL(TCleanupItem(LibxmlDocumentCleanup,(TAny*)LIBXML_DOC)); |
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157 InitOwnedNodeListL(); |
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158 CleanupStack::Pop(); |
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159 }; |
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160 |
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161 EXPORT_C void RXmlEngDocument::OpenL(RXmlEngDOMImplementation& aDOMImpl, TXmlEngElement aRoot) |
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162 { |
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163 OpenL(aDOMImpl); |
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164 xmlUnlinkNode(INTERNAL_NODEPTR(aRoot)); |
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165 xmlNodePtr node = xmlAddChild(LIBXML_NODE, INTERNAL_NODEPTR(aRoot)); |
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166 if(!node) |
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167 { |
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168 Close(); |
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169 OOM_HAPPENED; |
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170 } |
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171 }; |
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172 |
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173 EXPORT_C TXmlEngDocumentFragment RXmlEngDocument::CreateDocumentFragmentL() |
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174 { |
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175 xmlNodePtr dfNode = xmlNewDocFragment(LIBXML_DOC); |
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176 OOM_IF_NULL(dfNode); |
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177 TXmlEngNode df(dfNode); |
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178 TakeOwnership(df); |
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179 return df.AsDocumentFragment(); |
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180 } |
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181 |
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182 // ----------------------------------------------------------------------------------------------- |
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183 // Serializes document tree into a file |
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184 // |
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185 // @param aFileName A file name (with path) |
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186 // @return Number of byte written |
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187 // @note |
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188 // Method may leave with KErrNoMemory or KErrGeneral codes. |
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189 // ----------------------------------------------------------------------------------------------- |
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190 // |
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191 EXPORT_C TInt RXmlEngDocument::SaveL( const TDesC& aFileName, |
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192 TXmlEngNode aRoot, |
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193 const TXmlEngSerializationOptions& aSaveOptions ) const |
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194 { |
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195 if(IsNull()) |
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196 { |
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197 User::Leave(KXmlEngErrWrongUseOfAPI); |
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198 } |
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199 if (!aFileName.Length()) |
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200 { |
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201 WRONG_USE_OF_API; |
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202 } |
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203 RFs fs; |
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204 User::LeaveIfError(fs.Connect()); |
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205 CleanupClosePushL(fs); |
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206 TInt size = SaveL(fs, aFileName, aRoot, aSaveOptions); |
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207 CleanupStack::PopAndDestroy(&fs); |
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208 return size; |
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209 } |
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210 |
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211 // ----------------------------------------------------------------------------------------------- |
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212 // Serializes node to a file |
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213 // ----------------------------------------------------------------------------------------------- |
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214 // |
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215 EXPORT_C TInt RXmlEngDocument::SaveL( RFs& aRFs, |
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216 const TDesC& aFileName, |
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217 TXmlEngNode aRoot, |
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218 const TXmlEngSerializationOptions& aSaveOptions ) const |
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219 { |
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220 if(IsNull()) |
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221 { |
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222 User::Leave(KXmlEngErrWrongUseOfAPI); |
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223 } |
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224 if (!aFileName.Length()) |
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225 { |
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226 WRONG_USE_OF_API; |
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227 } |
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228 TInt size = -1; |
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229 RFile outputFile; |
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230 |
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231 User::LeaveIfError(outputFile.Replace(aRFs,aFileName,EFileShareAny|EFileWrite)); |
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232 CleanupClosePushL(outputFile); |
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233 |
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234 TXmlEngFileOutputStream outputStream(outputFile,aRFs); |
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235 RBuf8 buffer; |
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236 // TString is null so it does not need to be closed |
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237 size = SaveNodeL( INTERNAL_NODEPTR(aRoot), buffer, &outputStream, aSaveOptions); |
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238 User::LeaveIfError(outputStream.CheckError()); |
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239 CleanupStack::PopAndDestroy(&outputFile); |
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240 |
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241 return size; |
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242 } |
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243 |
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244 // ----------------------------------------------------------------------------------------------- |
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245 // Serializes a document tree into provided output stream, which supports |
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246 // progressive writing of data. |
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247 // |
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248 // @param aStream An output stream to write serialized DOM tree |
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249 // @param aRoot Root node to be serialized |
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250 // @param aSaveOptions Options that control how serialization is performed |
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251 // @see MXmlEngOutputStream |
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252 // ----------------------------------------------------------------------------------------------- |
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253 // |
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254 EXPORT_C TInt RXmlEngDocument::SaveL( MXmlEngOutputStream& aStream, |
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255 TXmlEngNode aRoot, |
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256 const TXmlEngSerializationOptions& aSaveOptions ) const |
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257 { |
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258 RBuf8 placeHolder; |
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259 if(IsNull()) |
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260 { |
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261 User::Leave(KXmlEngErrWrongUseOfAPI); |
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262 } |
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263 if(!&aStream) |
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264 { |
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265 User::Leave(KXmlEngErrWrongUseOfAPI); |
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266 } |
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267 |
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268 return SaveNodeL( aRoot, placeHolder, &aStream, aSaveOptions ); |
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269 } |
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270 |
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271 |
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272 // ----------------------------------------------------------------------------------------------- |
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273 // Serializes DOM subtree into memory buffer |
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274 // |
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275 // @param aBuffer A buffer to write output data. |
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276 // @param aRoot Root note to serialize. |
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277 // @param aSaveOptions Various options that control how serialization is performed |
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278 // |
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279 // @return Number of bytes in updated buffer |
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280 // |
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281 // Buffer contents is freed prior serialization |
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282 // ----------------------------------------------------------------------------------------------- |
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283 // |
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284 EXPORT_C TInt RXmlEngDocument::SaveL( RBuf8& aBuffer, |
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285 TXmlEngNode aRoot, |
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286 const TXmlEngSerializationOptions& aSaveOptions ) const |
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287 { |
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288 if(IsNull()) |
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289 { |
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290 User::Leave(KXmlEngErrWrongUseOfAPI); |
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291 } |
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292 return SaveNodeL(aRoot, aBuffer, NULL, aSaveOptions); |
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293 } |
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294 |
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295 // ----------------------------------------------------------------------------------------------- |
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296 // Creates complete copy of the document |
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297 // |
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298 // @return Complete copy of the document tree |
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299 // ----------------------------------------------------------------------------------------------- |
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300 // |
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301 EXPORT_C RXmlEngDocument RXmlEngDocument::CloneDocumentL() const |
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302 { |
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303 xmlDocPtr doc = NULL; |
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304 if (iInternal) |
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305 { |
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306 doc = xmlCopyDoc(LIBXML_DOC, 1); |
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307 OOM_IF_NULL(doc); |
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308 } |
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309 RXmlEngDocument retDoc(doc); |
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310 CleanupStack::PushL(TCleanupItem(LibxmlDocumentCleanup,(TAny*)doc)); |
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311 retDoc.InitOwnedNodeListL(); |
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312 CleanupStack::Pop(); |
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313 return retDoc; |
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314 } |
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315 |
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316 // ----------------------------------------------------------------------------------------------- |
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317 // Creates new element from specific namespace to be a root of the document tree. |
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318 // |
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319 // Any existing document element of the document is destroyed |
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320 //@return A new root element |
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321 // ----------------------------------------------------------------------------------------------- |
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322 // |
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323 EXPORT_C TXmlEngElement RXmlEngDocument::CreateDocumentElementL( const TDesC8& aName, |
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324 const TDesC8& aNamespaceUri, |
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325 const TDesC8& aPrefix ) |
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326 { |
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327 TXmlEngElement newE = CreateElementL(aName, aNamespaceUri, aPrefix); |
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328 SetDocumentElement(newE); |
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329 return newE; |
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330 } |
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331 |
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332 // ----------------------------------------------------------------------------------------------- |
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333 // Replaces (and closes) document element with another one |
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334 // |
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335 // New document element is added as the last child to the document node |
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336 // @param aNewDocElement New document tree |
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337 // @note Use TXmlEngElement::ReconcileNamespacesL() on the new document element |
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338 // if it or its descendants can contain references to namespace declarations |
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339 // out of the element |
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340 // ----------------------------------------------------------------------------------------------- |
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341 // |
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342 EXPORT_C void RXmlEngDocument::SetDocumentElement( TXmlEngElement aNewDocElement ) |
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343 { |
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344 TXmlEngElement oldE = DocumentElement(); |
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345 if (oldE.NotNull()) |
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346 { |
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347 oldE.Remove(); |
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348 } |
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349 if(aNewDocElement.ParentNode().IsNull()) |
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350 aNewDocElement.OwnerDocument().RemoveOwnership(aNewDocElement); |
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351 // |
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352 xmlNodePtr child = xmlAddChild(LIBXML_NODE, INTERNAL_NODEPTR(aNewDocElement)); |
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353 } |
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354 |
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355 |
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356 // ----------------------------------------------------------------------------------------------- |
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357 // @return A document element - the top-most element in the document tree |
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358 // ----------------------------------------------------------------------------------------------- |
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359 // |
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360 EXPORT_C TXmlEngElement RXmlEngDocument::DocumentElement() const |
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361 { |
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362 return TXmlEngElement(xmlDocGetRootElement(LIBXML_DOC)); |
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363 } |
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364 |
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365 // ----------------------------------------------------------------------------------------------- |
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366 // @return Encoding of the source XML data. |
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367 // ----------------------------------------------------------------------------------------------- |
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368 // |
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369 EXPORT_C TPtrC8 RXmlEngDocument::XmlEncoding() const |
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370 { |
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371 return ((TXmlEngConstString)CAST_XMLCHAR_TO_DOMSTRING(LIBXML_DOC->encoding)).PtrC8(); |
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372 } |
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373 |
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374 // ----------------------------------------------------------------------------------------------- |
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375 // @return Whether standalone="true" was specified in XML declaration in the source XML file. |
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376 // ----------------------------------------------------------------------------------------------- |
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377 // |
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378 EXPORT_C TBool RXmlEngDocument::IsStandalone() const |
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379 { |
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380 return LIBXML_DOC->standalone != 0; |
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381 } |
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382 |
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383 // ----------------------------------------------------------------------------------------------- |
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384 // Sets 'standalone' attribute of XML declaration for a document |
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385 // ----------------------------------------------------------------------------------------------- |
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386 // |
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387 EXPORT_C void RXmlEngDocument::SetStandalone( TBool aStandalone ) |
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388 { |
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389 LIBXML_DOC->standalone = aStandalone; |
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390 } |
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391 |
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392 // ----------------------------------------------------------------------------------------------- |
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393 // @return Version number of XML taken from XML declaration |
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394 // ----------------------------------------------------------------------------------------------- |
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395 // |
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396 EXPORT_C TPtrC8 RXmlEngDocument::XmlVersion() const |
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397 { |
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398 return ((TXmlEngConstString)CAST_XMLCHAR_TO_DOMSTRING(LIBXML_DOC->version)).PtrC8(); |
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399 } |
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400 |
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401 // ----------------------------------------------------------------------------------------------- |
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402 // Sets XML version number to be shown in XML declaration when document is serialized. |
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403 // ----------------------------------------------------------------------------------------------- |
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404 // |
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405 EXPORT_C void RXmlEngDocument::SetXmlVersionL( const TDesC8& aVersion ) |
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406 { |
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407 if(aVersion.Length()) |
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408 { |
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409 xmlChar* ver = xmlCharFromDesC8L(aVersion); |
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410 xmlFree((void*)LIBXML_DOC->version); |
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411 LIBXML_DOC->version = ver; |
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412 } |
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413 } |
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414 |
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415 // ----------------------------------------------------------------------------------------------- |
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416 // Retrieves base URI (if defined) of the document or NULL |
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417 // ----------------------------------------------------------------------------------------------- |
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418 // |
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419 EXPORT_C TPtrC8 RXmlEngDocument::DocumentUri() const |
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420 { |
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421 return ((TXmlEngConstString)CAST_XMLCHAR_TO_DOMSTRING(LIBXML_DOC->URL)).PtrC8(); |
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422 } |
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423 |
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424 // ----------------------------------------------------------------------------------------------- |
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425 // Sets location of the document. |
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426 // |
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427 // Document's URI is used as top-level base URI definition. |
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428 // ----------------------------------------------------------------------------------------------- |
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429 // |
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430 EXPORT_C void RXmlEngDocument::SetDocumentUriL( const TDesC8& aUri ) |
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431 { |
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432 xmlChar* uri = xmlCharFromDesC8L(aUri); |
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433 if(LIBXML_DOC->URL) |
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434 xmlFree((void*)LIBXML_DOC->URL); |
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435 LIBXML_DOC->URL = uri; |
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436 } |
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437 |
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438 // ----------------------------------------------------------------------------------------------- |
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439 // @return Object that represents current DOM implementation |
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440 // @note There is no practical use of implementation object in this version |
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441 // of API other than for creating new RXmlEngDocument instances, but |
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442 // it will change in the future, when an implementation object |
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443 // is used for changing configuration settings at run-time. |
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444 // ----------------------------------------------------------------------------------------------- |
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445 // |
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446 EXPORT_C RXmlEngDOMImplementation RXmlEngDocument::Implementation() const |
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447 { |
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448 return *iImpl; |
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449 } |
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450 |
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451 // ----------------------------------------------------------------------------------------------- |
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452 // Creates new text node and copies the content string into it. |
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453 // ----------------------------------------------------------------------------------------------- |
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454 // |
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455 EXPORT_C TXmlEngTextNode RXmlEngDocument::CreateTextNodeL( const TDesC8& aCharacters ) |
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456 { |
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457 xmlChar* con = xmlCharFromDesC8L(aCharacters); |
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458 xmlNodePtr textNode = xmlNewText(NULL); |
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459 if(!textNode) |
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460 { |
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461 delete con; |
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462 OOM_HAPPENED; |
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463 } |
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464 textNode->doc = LIBXML_DOC; |
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465 textNode->content = con; |
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466 TXmlEngNode text(textNode); |
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467 TakeOwnership(text); |
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468 return text.AsText(); |
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469 } |
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470 |
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471 // ----------------------------------------------------------------------------------------------- |
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472 // Creates new binary container and copies the content string into it. |
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473 // ----------------------------------------------------------------------------------------------- |
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474 // |
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475 EXPORT_C TXmlEngBinaryContainer RXmlEngDocument::CreateBinaryContainerL( const TDesC8& aCid, |
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476 const TDesC8& aData ) |
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477 { |
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478 // Note: TXmlEngBinaryContainer is treated internally by Libxml2 as text node. |
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479 |
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480 TUint len = aCid.Size(); |
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481 unsigned char* cid = new(ELeave) unsigned char[len + 1]; |
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482 memcpy(cid, aCid.Ptr(), len); |
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483 cid[len] = 0; |
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484 len = aData.Size(); |
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485 |
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486 CleanupStack::PushL(cid); |
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487 unsigned char* str = new(ELeave) unsigned char[len + 1]; |
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488 CleanupStack::Pop(cid); |
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489 |
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490 memcpy(str, aData.Ptr(), len); |
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491 str[len] = 0; |
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492 |
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493 xmlNodePtr contNode = xmlNewText(NULL); |
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494 if(!contNode) |
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495 { |
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496 delete cid; |
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497 delete str; |
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498 OOM_HAPPENED; |
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499 } |
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500 |
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501 contNode->ns = (xmlNs*) cid; |
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502 contNode->content = (xmlChar*) str; |
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503 contNode->properties = (xmlAttr*) len; |
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504 contNode->psvi = (void*) EBinaryContainer; |
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505 contNode->doc = LIBXML_DOC; |
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506 contNode->name = xmlStringTextNoenc; |
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507 xmlAppendDataList(contNode, LIBXML_DOC); |
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508 if(OOM_FLAG) |
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509 { |
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510 xmlFreeNode(contNode); |
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511 OOM_HAPPENED; |
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512 } |
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513 TXmlEngNode container(contNode); |
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514 TakeOwnership(container); |
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515 return container.AsBinaryContainer(); |
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516 } |
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517 |
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518 // ----------------------------------------------------------------------------------------------- |
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519 // Creates new binary container that stores reference to memory chunk mapped with descriptor |
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520 // ----------------------------------------------------------------------------------------------- |
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521 // |
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522 EXPORT_C TXmlEngChunkContainer RXmlEngDocument::CreateChunkContainerL( const TDesC8& aCid, |
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523 const RChunk& aChunk, |
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524 const TInt aChunkOffset, |
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525 const TInt aDataSize ) |
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526 { |
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527 // Note: TXmlEngChunkContainer is treated internally by Libxml2 as text node. |
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528 TUint len = aCid.Size(); |
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529 unsigned char* cid = new(ELeave) unsigned char[len + 1]; |
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530 memcpy(cid, aCid.Ptr(), len); |
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531 cid[len] = 0; |
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532 |
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533 xmlNodePtr contNode = xmlNewText(NULL); |
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534 if(!contNode) |
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535 { |
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536 delete cid; |
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537 OOM_HAPPENED; |
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538 } |
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539 contNode->ns = (xmlNs*) cid; |
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540 contNode->content = (xmlChar*) &aChunk; |
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541 contNode->properties = (xmlAttr*) aDataSize; |
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542 contNode->nsDef = (xmlNs*) aChunkOffset; |
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543 contNode->psvi = (void*) EChunkContainer; |
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544 contNode->doc = LIBXML_DOC; |
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545 contNode->name = xmlStringTextNoenc; |
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546 xmlAppendDataList(contNode, LIBXML_DOC); |
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547 if(OOM_FLAG) |
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548 { |
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549 xmlFreeNode(contNode); |
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550 OOM_HAPPENED; |
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551 } |
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552 TXmlEngNode container(contNode); |
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553 TakeOwnership(container); |
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554 return container.AsChunkContainer(); |
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555 } |
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556 |
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557 // ----------------------------------------------------------------------------------------------- |
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558 // Creates new binary container that stores reference to memory chunk mapped with descriptor |
|
559 // ----------------------------------------------------------------------------------------------- |
|
560 // |
|
561 EXPORT_C TXmlEngFileContainer RXmlEngDocument::CreateFileContainerL( const TDesC8& aCid, |
|
562 const RFile& aFile ) |
|
563 |
|
564 { |
|
565 // Note: TXmlEngChunkContainer is treated internally by Libxml2 as text node. |
|
566 TUint len = aCid.Size(); |
|
567 unsigned char* cid = new(ELeave) unsigned char[len + 1]; |
|
568 memcpy(cid, aCid.Ptr(), len); |
|
569 cid[len] = 0; |
|
570 |
|
571 xmlNodePtr contNode = xmlNewText(NULL); |
|
572 if(!contNode) |
|
573 { |
|
574 delete cid; |
|
575 OOM_HAPPENED; |
|
576 } |
|
577 contNode->ns = (xmlNs*) cid; |
|
578 contNode->content = (xmlChar*) &aFile; |
|
579 TInt fileSize; |
|
580 aFile.Size(fileSize); |
|
581 contNode->properties = (xmlAttr*) fileSize; |
|
582 contNode->psvi = (void*) EFileContainer; |
|
583 contNode->doc = LIBXML_DOC; |
|
584 contNode->name = xmlStringTextNoenc; |
|
585 xmlAppendDataList(contNode, LIBXML_DOC); |
|
586 if(OOM_FLAG) |
|
587 { |
|
588 xmlFreeNode(contNode); |
|
589 OOM_HAPPENED; |
|
590 } |
|
591 TXmlEngNode container(contNode); |
|
592 TakeOwnership(container); |
|
593 return container.AsFileContainer(); |
|
594 } |
|
595 // ----------------------------------------------------------------------------------------------- |
|
596 // Creates new comment node and copies the content string into it. |
|
597 // ----------------------------------------------------------------------------------------------- |
|
598 // |
|
599 EXPORT_C TXmlEngComment RXmlEngDocument::CreateCommentL( const TDesC8& aText ) |
|
600 { |
|
601 xmlChar* con = xmlCharFromDesC8L(aText); |
|
602 xmlNodePtr commentNode = xmlNewComment(NULL); |
|
603 if(!commentNode) |
|
604 { |
|
605 delete con; |
|
606 OOM_HAPPENED; |
|
607 } |
|
608 commentNode->doc = LIBXML_DOC; |
|
609 commentNode->content = con; |
|
610 TXmlEngNode comment(commentNode); |
|
611 TakeOwnership(comment); |
|
612 return comment.AsComment(); |
|
613 } |
|
614 |
|
615 // ----------------------------------------------------------------------------------------------- |
|
616 // Creates new processing instruction node and set its "target" and "data" values |
|
617 // ----------------------------------------------------------------------------------------------- |
|
618 // |
|
619 EXPORT_C TXmlEngProcessingInstruction RXmlEngDocument::CreateProcessingInstructionL( const TDesC8& aTarget, |
|
620 const TDesC8& aData ) |
|
621 { |
|
622 if ( aTarget.Length( ) <= 0 ) |
|
623 { |
|
624 User::Leave( KXmlEngErrWrongUseOfAPI ); |
|
625 } |
|
626 |
|
627 xmlChar* target = xmlCharFromDesC8L(aTarget); |
|
628 CleanupStack::PushL(target); |
|
629 xmlChar* data = xmlCharFromDesC8L(aData); |
|
630 |
|
631 xmlNodePtr piNode = xmlNewPI( target, |
|
632 NULL ); |
|
633 OOM_IF_NULL(piNode); |
|
634 CleanupStack::PopAndDestroy(target); |
|
635 piNode->content = data; |
|
636 TXmlEngNode pi(piNode); |
|
637 TakeOwnership(pi); |
|
638 return pi.AsProcessingInstruction(); |
|
639 } |
|
640 |
|
641 // ----------------------------------------------------------------------------------------------- |
|
642 // Creates new CDATA section node and copies the content into it. |
|
643 // ----------------------------------------------------------------------------------------------- |
|
644 // |
|
645 EXPORT_C TXmlEngCDATASection RXmlEngDocument::CreateCDATASectionL( const TDesC8& aContents ) |
|
646 { |
|
647 xmlChar* con = xmlCharFromDesC8L(aContents); |
|
648 xmlNodePtr cdNode = xmlNewCDataBlock( LIBXML_DOC, |
|
649 NULL, |
|
650 0); |
|
651 if(!cdNode) |
|
652 { |
|
653 delete con; |
|
654 OOM_HAPPENED; |
|
655 } |
|
656 cdNode->content = con; |
|
657 TXmlEngNode cd(cdNode); |
|
658 TakeOwnership(cd); |
|
659 return cd.AsCDATASection(); |
|
660 } |
|
661 |
|
662 // ----------------------------------------------------------------------------------------------- |
|
663 // Creates new entity reference node for aEntityName entity |
|
664 // |
|
665 // aEntityName is a string in one of the forms: |
|
666 // - <i>name</i> |
|
667 // - <b>&</b><i>name</i> |
|
668 // - <b>&</b><i>name</i><b>;</b> |
|
669 // |
|
670 // where <i>name</i> is the name of the entity |
|
671 // |
|
672 // @note < , > , ' , " and other <b>predefined</b> entity references |
|
673 // should not be created with this method. These entity refs are rather |
|
674 // "character references" and encoded/decoded automatically. |
|
675 // ----------------------------------------------------------------------------------------------- |
|
676 // |
|
677 EXPORT_C TXmlEngEntityReference RXmlEngDocument::CreateEntityReferenceL( const TDesC8& aEntityRef ) |
|
678 { |
|
679 if ( aEntityRef.Length( ) <= 0 ) |
|
680 { |
|
681 User::Leave( KXmlEngErrWrongUseOfAPI ); |
|
682 } |
|
683 |
|
684 xmlChar* er = xmlCharFromDesC8L(aEntityRef); |
|
685 xmlNodePtr erNode = xmlNewReference( LIBXML_DOC, |
|
686 er); |
|
687 delete er; |
|
688 OOM_IF_NULL(erNode); |
|
689 TXmlEngNode eref(erNode); |
|
690 TakeOwnership(eref); |
|
691 return eref.AsEntityReference(); |
|
692 } |
|
693 |
|
694 // ----------------------------------------------------------------------------------------------- |
|
695 // Creates new element node that belongs to specific namespace. |
|
696 // A namespace declaration node is created on the element. |
|
697 // |
|
698 // @param aNamespaceUri Namespace of new element |
|
699 // @param aPrefix Prefix to use for namespace binding and QName of the element |
|
700 // @param aLocalName Local name of the element |
|
701 // |
|
702 // @note If null namespace uri is provided element will be created without namespace. |
|
703 // ----------------------------------------------------------------------------------------------- |
|
704 |
|
705 EXPORT_C TXmlEngElement RXmlEngDocument::CreateElementL( const TDesC8& aLocalName, |
|
706 const TDesC8& aNamespaceUri, |
|
707 const TDesC8& aPrefix ) |
|
708 { |
|
709 if ( aLocalName.Length( ) <= 0 ) |
|
710 { |
|
711 User::Leave( KXmlEngErrWrongUseOfAPI ); |
|
712 } |
|
713 // |
|
714 xmlChar* name = xmlCharFromDesC8L(aLocalName); |
|
715 xmlNodePtr nodeEl = xmlNewNode( NULL, |
|
716 name); |
|
717 delete name; |
|
718 OOM_IF_NULL(nodeEl); |
|
719 // |
|
720 // if(aNamespaceUri.Length() || aPrefix.Length()) |
|
721 if(aNamespaceUri.Length()) |
|
722 { |
|
723 CleanupStack::PushL(TCleanupItem(LibxmlNodeCleanup,(TAny*)nodeEl)); |
|
724 xmlChar* nsU = xmlCharFromDesC8L(aNamespaceUri); |
|
725 CleanupStack::PushL(nsU); |
|
726 xmlChar* nsP = NULL; |
|
727 if(aPrefix.Length()) |
|
728 { |
|
729 nsP = xmlCharFromDesC8L(aPrefix); |
|
730 } |
|
731 CleanupStack::Pop(nsU); |
|
732 xmlNsPtr ns = xmlNewNs( NULL, |
|
733 NULL, |
|
734 NULL); |
|
735 |
|
736 if (!ns) |
|
737 { |
|
738 delete nsP; |
|
739 delete nsU; |
|
740 OOM_HAPPENED; |
|
741 } |
|
742 ns->href = nsU; |
|
743 ns->prefix = nsP; |
|
744 nodeEl->nsDef = ns; |
|
745 nodeEl->ns = ns; |
|
746 CleanupStack::Pop(); // nodeEl |
|
747 } |
|
748 nodeEl->doc = LIBXML_DOC; |
|
749 |
|
750 TXmlEngElement el(nodeEl); |
|
751 TakeOwnership(el); |
|
752 return el; |
|
753 } |
|
754 |
|
755 // ----------------------------------------------------------------------------------------------- |
|
756 // Creates new attribute, |
|
757 // |
|
758 // @param aName Name of the atribute; no prefix allowed |
|
759 // @param aValue Value of the attribute (optional) |
|
760 // @return Handler to the newly created attribute |
|
761 // |
|
762 // @note |
|
763 // aValue should represent a correct value of an attribute if it is put as is into XML file |
|
764 // (with all characters correctly escaped with entity references when XML spec requires) |
|
765 // |
|
766 // TXmlEngElement class provides a rich set of attribute creation methods, which not |
|
767 // just create attribute nut also link it into element. |
|
768 // |
|
769 // There is no way to create attributes with namespace (despite the DOM spec); |
|
770 // you have to use one of the TXmlEngElement::AddNewAttributeL(..) methods instead |
|
771 // |
|
772 // Returned handler is the only reference to the allocated memory |
|
773 // until you have attached the attribute to some element node |
|
774 // ----------------------------------------------------------------------------------------------- |
|
775 // |
|
776 EXPORT_C TXmlEngAttr RXmlEngDocument::CreateAttributeL( const TDesC8& aName, |
|
777 const TDesC8& aValue ) |
|
778 { |
|
779 if ( aName.Length( ) <= 0 ) |
|
780 { |
|
781 User::Leave( KXmlEngErrWrongUseOfAPI ); |
|
782 } |
|
783 xmlChar* name = xmlCharFromDesC8L(aName); |
|
784 CleanupStack::PushL(name); |
|
785 xmlChar* value = xmlCharFromDesC8L(aValue); |
|
786 |
|
787 xmlAttrPtr attrNode = xmlNewDocProp( LIBXML_DOC, |
|
788 name, |
|
789 value ); |
|
790 delete value; |
|
791 CleanupStack::PopAndDestroy(name); |
|
792 OOM_IF_NULL(attrNode); |
|
793 TXmlEngNode attr(attrNode); |
|
794 TakeOwnership(attr); |
|
795 return attr.AsAttr(); |
|
796 } |
|
797 |
|
798 // ----------------------------------------------------------------------------------------------- |
|
799 // Sets "document" property on the node and all its descendants to be this RXmlEngDocument node |
|
800 // ----------------------------------------------------------------------------------------------- |
|
801 // |
|
802 EXPORT_C TXmlEngNode RXmlEngDocument::AdoptNodeL(TXmlEngNode aSource) |
|
803 { |
|
804 if ( aSource.ParentNode().NotNull() || aSource.OwnerDocument().IsSameNode( *this ) |
|
805 || aSource.NodeType() == TXmlEngNode::EDocument ) |
|
806 { |
|
807 User::Leave( KXmlEngErrWrongUseOfAPI ); |
|
808 } |
|
809 |
|
810 aSource.OwnerDocument().RemoveOwnership(aSource); |
|
811 xmlSetTreeDoc(INTERNAL_NODEPTR(aSource), LIBXML_DOC); |
|
812 TakeOwnership(aSource); |
|
813 return aSource; |
|
814 } |
|
815 |
|
816 // ----------------------------------------------------------------------------------------------- |
|
817 // Main implementation of SaveL() functions that puts together all common code |
|
818 // and serializes to buffer or output stream. |
|
819 // @param aNode Root node to be serialized |
|
820 // @param aBuffer buffer with serialized data. |
|
821 // @param aOutputStream stream that should be used during serialization |
|
822 // @param aOpt Options that control how serialization is performed |
|
823 // @return Number of bytes written |
|
824 // @leave KXmlEngErrWrongEncoding The encoding is not understood |
|
825 // @leave KXmlEngErrNegativeOutputSize The data to be serialized has a negative size |
|
826 // @leave - One of the system-wide error codes |
|
827 // ----------------------------------------------------------------------------------------------- |
|
828 // |
|
829 TInt RXmlEngDocument::SaveNodeL( TXmlEngNode aRoot, |
|
830 RBuf8& aBuffer, |
|
831 MXmlEngOutputStream* aOutputStream, |
|
832 TXmlEngSerializationOptions aOpt) const |
|
833 { |
|
834 TInt size = -1; |
|
835 const unsigned char* encoding; |
|
836 xmlCharEncodingHandlerPtr encoder = NULL; |
|
837 xmlSaveCtxt ctxt; |
|
838 xmlOutputBufferPtr buf = NULL; |
|
839 if (aBuffer.Length()) |
|
840 { |
|
841 aBuffer.Close(); |
|
842 } |
|
843 xmlNodePtr node = INTERNAL_NODEPTR(aRoot); |
|
844 if(!node) |
|
845 { |
|
846 node = LIBXML_NODE; |
|
847 } |
|
848 xmlChar* enc =NULL; |
|
849 if(aOpt.iEncoding.Length()) |
|
850 enc = xmlCharFromDesC8L(aOpt.iEncoding); |
|
851 CleanupStack::PushL(enc); |
|
852 |
|
853 encoding = enc; |
|
854 if (!encoding) |
|
855 { |
|
856 encoding = node->doc->encoding; |
|
857 } |
|
858 if (encoding) |
|
859 { |
|
860 encoder = xmlFindCharEncodingHandler((char*)encoding); |
|
861 if (encoder == NULL) |
|
862 { |
|
863 TEST_OOM_FLAG; |
|
864 XmlEngLeaveL(KXmlEngErrWrongEncoding); |
|
865 } |
|
866 } |
|
867 |
|
868 if(aOutputStream) |
|
869 { |
|
870 buf = xmlOutputBufferCreateIO( XmlEngineIOWriteCallback, |
|
871 XmlEngineIOCloseCallback, |
|
872 aOutputStream, // a "context" know by the library |
|
873 encoder ); |
|
874 } |
|
875 else |
|
876 { |
|
877 buf = xmlAllocOutputBuffer(encoder); |
|
878 } |
|
879 OOM_IF_NULL(buf); |
|
880 |
|
881 memset(&ctxt, 0, sizeof(ctxt)); |
|
882 ctxt.doc = node->doc; |
|
883 ctxt.encoding = encoding; |
|
884 ctxt.buf = buf; |
|
885 ctxt.level = 0; |
|
886 ctxt.format = (aOpt.iOptions & TXmlEngSerializationOptions::KOptionIndent) ? 1 : 0; |
|
887 if(aOpt.iDataSerializer) |
|
888 { |
|
889 ctxt.textNodeCallback = (xmlSaveTextNodeCallback) DataSerializationCallback; |
|
890 ctxt.context = aOpt.iDataSerializer; |
|
891 } |
|
892 xmlSaveCtxtInit(&ctxt); |
|
893 |
|
894 xmlNodeFilterData filterData = {0,0}; // Fix to DEF133066. |
|
895 // The scope of 'afilterData' (now 'filterData') has been increased so that it is valid when |
|
896 // passed to 'xmlNodeDumpOutputInternal(&ctxt, node)' as a member of 'ctxt' |
|
897 if (aOpt.iNodeFilter) |
|
898 { |
|
899 filterData.fn = aOpt.iNodeFilter; |
|
900 filterData.proxyFn = NodeFilterCallback; |
|
901 ctxt.nodeFilter = &filterData; |
|
902 } |
|
903 |
|
904 if(!(aOpt.iOptions & TXmlEngSerializationOptions::KOptionOmitXMLDeclaration)) |
|
905 { |
|
906 const TInt KXmlOpenTagLength = 14; |
|
907 const TInt KXmlOpenTagEncLength = 10; |
|
908 const TInt KXmlOpenTagStdLength1 = 16; |
|
909 const TInt KXmlOpenTagStdLength2 = 17; |
|
910 const TInt KXmlCloseTagEncLength = 1; |
|
911 const TInt KXmlCloseTagLength = 2; |
|
912 |
|
913 xmlOutputBufferWrite(buf,KXmlOpenTagLength,"<?xml version="); |
|
914 if (node->doc->version != NULL) |
|
915 xmlBufferWriteQuotedString(buf->buffer, node->doc->version); |
|
916 else |
|
917 xmlOutputBufferWrite(buf, 5, "\"1.0\""); |
|
918 |
|
919 if (encoding && (aOpt.iOptions & TXmlEngSerializationOptions::KOptionEncoding)) |
|
920 { |
|
921 xmlOutputBufferWrite(buf,KXmlOpenTagEncLength," encoding="); |
|
922 xmlBufferWriteQuotedString(buf->buffer,encoding); |
|
923 } |
|
924 |
|
925 if (aOpt.iOptions & TXmlEngSerializationOptions::KOptionStandalone) |
|
926 { |
|
927 switch (node->doc->standalone) |
|
928 { |
|
929 case 0: |
|
930 xmlOutputBufferWrite(buf, KXmlOpenTagStdLength1, " standalone=\"no\""); |
|
931 break; |
|
932 case 1: |
|
933 xmlOutputBufferWrite(buf, KXmlOpenTagStdLength2, " standalone=\"yes\""); |
|
934 break; |
|
935 } |
|
936 } |
|
937 xmlOutputBufferWrite(buf,KXmlCloseTagLength,"?>"); |
|
938 if(ctxt.format) |
|
939 { |
|
940 xmlOutputBufferWrite(buf,KXmlCloseTagEncLength,"\n"); |
|
941 } |
|
942 } |
|
943 xmlNodeDumpOutputInternal(&ctxt, node); |
|
944 |
|
945 if(xmlOOMFlag()) |
|
946 { |
|
947 xmlOutputBufferClose(buf); |
|
948 OOM_HAPPENED; |
|
949 } |
|
950 |
|
951 if(!aOutputStream) |
|
952 { |
|
953 if(buf->encoder) |
|
954 { |
|
955 xmlCharEncOutFunc(buf->encoder, buf->conv, buf->buffer); |
|
956 size = buf->conv->use; |
|
957 aBuffer.Assign(buf->conv->content,size,size); // frees any previous contents of aBuffer argument |
|
958 buf->conv->content = NULL; // To prevent it from freeing |
|
959 } |
|
960 else |
|
961 { |
|
962 size = buf->buffer->use; |
|
963 aBuffer.Assign(buf->buffer->content,size,size); // frees any previous contents of aBuffer argument |
|
964 buf->buffer->content = NULL; // To prevent it from freeing |
|
965 } |
|
966 } |
|
967 else |
|
968 { |
|
969 size = buf->buffer->use; |
|
970 } |
|
971 TInt res = xmlOutputBufferClose(buf); |
|
972 |
|
973 if ((size < 0) || (res == -1)) |
|
974 { |
|
975 XmlEngLeaveL(KXmlEngErrNegativeOutputSize); |
|
976 } |
|
977 CleanupStack::PopAndDestroy(enc); |
|
978 if(!aOutputStream) |
|
979 { |
|
980 return size; |
|
981 } |
|
982 else |
|
983 { |
|
984 return res; |
|
985 } |
|
986 } |
|
987 |
|
988 // ----------------------------------------------------------------------------------------------- |
|
989 // "Secondary" constructor that should be called on every newly created document node. |
|
990 // Initializes container for nodes owned by the document. |
|
991 // |
|
992 // The need for such secondary constructor is in the fact that underlying libxml2 |
|
993 // library knows nothing about ownership of unlinked nodes -- this feature is |
|
994 // implemented in C++ DOM wrapper. |
|
995 // ----------------------------------------------------------------------------------------------- |
|
996 // |
|
997 void RXmlEngDocument::InitOwnedNodeListL() |
|
998 { |
|
999 if(!LIBXML_DOC->ownedNodes) |
|
1000 LIBXML_DOC->ownedNodes = CXmlEngOwnedNodesContainer::NewL(); |
|
1001 } |
|
1002 |
|
1003 // ----------------------------------------------------------------------------------------------- |
|
1004 // Adds aNode to the list of owned nodes - the nodes that are not linked yet into a |
|
1005 // document tree, but still destroyed with the document that owns them. |
|
1006 // |
|
1007 // In case of OOM (during growing node list container) the argument node is freed with |
|
1008 // xmlFreeNode() |
|
1009 // ----------------------------------------------------------------------------------------------- |
|
1010 // |
|
1011 void RXmlEngDocument::TakeOwnership(TXmlEngNode aNode) |
|
1012 { |
|
1013 CXmlEngOwnedNodesContainer* nc = (CXmlEngOwnedNodesContainer*) LIBXML_DOC->ownedNodes; |
|
1014 if(aNode.ParentNode().NotNull()) |
|
1015 return; |
|
1016 RXmlEngDocument owner = aNode.OwnerDocument(); |
|
1017 if(owner.NotNull() && !owner.IsSameNode(*this)) |
|
1018 { |
|
1019 owner.RemoveOwnership(aNode); |
|
1020 } |
|
1021 |
|
1022 nc->Add(INTERNAL_NODEPTR(aNode)); |
|
1023 INTERNAL_NODEPTR(aNode)->doc = LIBXML_DOC; |
|
1024 } |
|
1025 |
|
1026 void RXmlEngDocument::RemoveOwnership(TXmlEngNode aNode) |
|
1027 { |
|
1028 if(LIBXML_DOC) |
|
1029 ((CXmlEngOwnedNodesContainer*)(LIBXML_DOC->ownedNodes))->Remove(INTERNAL_NODEPTR(aNode)); |
|
1030 } |
|
1031 |
|
1032 // ----------------------------------------------------------------------------------------------- |
|
1033 // Registers specified attribute as xml:id. |
|
1034 // First parametr allows user, to specify sub-tree, not to search whole document. |
|
1035 // To search whole tree see @see RegisterXmlId(const TDesC8&,const TDesC8&) |
|
1036 // ----------------------------------------------------------------------------------------------- |
|
1037 // |
|
1038 EXPORT_C void RXmlEngDocument::RegisterXmlIdL(TXmlEngElement aStartElement, |
|
1039 const TDesC8& aLocalName, |
|
1040 const TDesC8& aNamespaceUri) |
|
1041 { |
|
1042 if ( !aLocalName.Compare(KNullDesC8) || aStartElement.IsNull() |
|
1043 || !aStartElement.OwnerDocument().IsSameNode(*this) || aStartElement.OwnerDocument().IsNull()) |
|
1044 { |
|
1045 User::Leave(KXmlEngErrWrongUseOfAPI); |
|
1046 } |
|
1047 |
|
1048 xmlChar* name = xmlCharFromDesC8L(aLocalName); |
|
1049 CleanupStack::PushL(name); |
|
1050 xmlChar* nsU = NULL; |
|
1051 if(aNamespaceUri.Length()) |
|
1052 nsU=xmlCharFromDesC8L(aNamespaceUri); |
|
1053 |
|
1054 const xmlChar* ids[3]; |
|
1055 ids[0] = name; |
|
1056 ids[1] = nsU; |
|
1057 ids[2] = NULL; |
|
1058 |
|
1059 TInt error = xmlAddIDs(INTERNAL_NODEPTR(aStartElement), ids); |
|
1060 |
|
1061 delete nsU; |
|
1062 CleanupStack::PopAndDestroy(name); |
|
1063 |
|
1064 switch (error) |
|
1065 { |
|
1066 case 0: |
|
1067 break; |
|
1068 case -1: |
|
1069 User::Leave(KErrAlreadyExists); |
|
1070 break; |
|
1071 case -2: |
|
1072 User::Leave(KErrNoMemory); |
|
1073 break; |
|
1074 case -3: |
|
1075 User::Leave(KErrArgument); |
|
1076 break; |
|
1077 default: |
|
1078 //User::Panic(); ? |
|
1079 break; |
|
1080 } |
|
1081 |
|
1082 } |
|
1083 |
|
1084 // ----------------------------------------------------------------------------------------------- |
|
1085 // Registers specified attribute as xml:id. |
|
1086 // Not to search whole tree see @see RegisterXmlId(TXmlEngElement,const TDesC8&,const TDesC8&) |
|
1087 // ----------------------------------------------------------------------------------------------- |
|
1088 // |
|
1089 EXPORT_C void RXmlEngDocument::RegisterXmlIdL(const TDesC8& aLocalName, |
|
1090 const TDesC8& aNamespaceUri) |
|
1091 { |
|
1092 if (IsNull()) |
|
1093 { |
|
1094 User::Leave(KXmlEngErrWrongUseOfAPI); |
|
1095 } |
|
1096 RegisterXmlIdL(DocumentElement(),aLocalName, aNamespaceUri); |
|
1097 } |
|
1098 |
|
1099 // --------------------------------------------------------------------------------------------- |
|
1100 // Looks for element with specified value of xmlId |
|
1101 // --------------------------------------------------------------------------------------------- |
|
1102 // |
|
1103 EXPORT_C TXmlEngElement RXmlEngDocument::FindElementByXmlIdL( const TDesC8& aValue ) const |
|
1104 { |
|
1105 xmlChar* value = xmlCharFromDesC8L(aValue); |
|
1106 xmlAttrPtr attr = xmlGetID( LIBXML_DOC, value ); |
|
1107 delete value; |
|
1108 if (attr==NULL) |
|
1109 { |
|
1110 return TXmlEngElement(NULL); |
|
1111 } |
|
1112 return TXmlEngElement(attr->parent); |
|
1113 } |
|
1114 |
|
1115 // --------------------------------------------------------------------------------------------- |
|
1116 // Retrieves an array of chunk containers |
|
1117 // --------------------------------------------------------------------------------------------- |
|
1118 // |
|
1119 EXPORT_C TInt RXmlEngDocument::GetDataContainerList( RArray<TXmlEngDataContainer>& aList ) |
|
1120 { |
|
1121 TInt i = 0; |
|
1122 TInt error = 0; |
|
1123 while( LIBXML_DOC->dataNodeList[i] ) |
|
1124 { |
|
1125 TXmlEngNode node(LIBXML_DOC->dataNodeList[i]); |
|
1126 error = aList.Append( node.AsDataContainer() ); |
|
1127 if (error) break; |
|
1128 ++i; |
|
1129 } |
|
1130 return error; |
|
1131 } |
|
1132 |
|
1133 // ----------------------------------------------------------------------------- |
|
1134 // Default constructor |
|
1135 // ----------------------------------------------------------------------------- |
|
1136 // |
|
1137 EXPORT_C RXmlEngDocument::RXmlEngDocument():TXmlEngNode(NULL), iImpl(NULL) |
|
1138 { |
|
1139 } |