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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 // XML XOP Deserializer implementation |
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15 // |
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16 |
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17 #include "xmlengdeserializerxop.h" |
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18 #include <xml/dom/xmlengerrors.h> |
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19 #include "xmlengcontenthandler.h" |
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20 #include <xml/utils/xmlengxestd.h> |
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21 #include <xml/utils/xmlengxestrings.h> |
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22 #include <xml/dom/xmlengserializeerrors.h> |
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23 |
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24 #include <xml/parser.h> |
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25 #include <xml/parserfeature.h> |
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26 #include <xml/matchdata.h> |
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27 #include <bafl/multipartparser.h> |
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28 #include <bafl/bodypart.h> |
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29 #include <f32file.h> |
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30 |
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31 _LIT8(KXmlMimeType, "text/xml"); |
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32 _LIT8(KParserType,"libxml2"); |
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33 |
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34 // Implemented according to XOP Spec (http://www.w3.org/TR/xop10/) |
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35 _LIT8(KMultipartMixed, "multipart/mixed"); |
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36 _LIT8(KBoundary1, "MIME_boundary"); |
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37 _LIT(KUrlStub, "http://url_stub"); |
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38 |
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39 using namespace Xml; |
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40 |
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41 // -------------------------------------------------------------------------------------- |
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42 // Creates an instance of CXMLDEDeserializerXOP |
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43 // -------------------------------------------------------------------------------------- |
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44 // |
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45 CXmlEngDeserializerXOP* CXmlEngDeserializerXOP::NewL( MContentHandler& aContentHandler, |
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46 TBool aCleanXOPInfoset ) |
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47 { |
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48 CXmlEngDeserializerXOP* deserializerXop = new (ELeave) CXmlEngDeserializerXOP(aCleanXOPInfoset); |
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49 CleanupStack::PushL( deserializerXop ); |
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50 deserializerXop->ConstructL( aContentHandler ); |
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51 CleanupStack::Pop(); //deserializerXop |
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52 return deserializerXop; |
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53 } |
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54 |
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55 // -------------------------------------------------------------------------------------- |
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56 // Enables CParser feature |
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57 // -------------------------------------------------------------------------------------- |
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58 // |
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59 EXPORT_C TInt CXmlEngDeserializerXOP::EnableFeature(TInt aParserFeature) |
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60 { |
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61 if(aParserFeature == EConvertTagsToLowerCase) |
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62 { |
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63 iParserMode |= aParserFeature; |
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64 return KErrNone; |
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65 } |
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66 return CXmlEngDeserializer::EnableFeature(aParserFeature); |
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67 } |
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68 |
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69 // -------------------------------------------------------------------------------------- |
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70 // Disables CParser feature |
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71 // -------------------------------------------------------------------------------------- |
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72 // |
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73 EXPORT_C TInt CXmlEngDeserializerXOP::DisableFeature(TInt aParserFeature) |
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74 { |
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75 if(aParserFeature == EConvertTagsToLowerCase) |
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76 { |
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77 iParserMode &= ~aParserFeature; |
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78 return KErrNone; |
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79 } |
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80 return CXmlEngDeserializer::DisableFeature(aParserFeature); |
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81 } |
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82 |
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83 // -------------------------------------------------------------------------------------- |
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84 // Checks if a feature is enabled |
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85 // -------------------------------------------------------------------------------------- |
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86 // |
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87 EXPORT_C TBool CXmlEngDeserializerXOP::IsFeatureEnabled(TInt aParserFeature) const |
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88 { |
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89 if(aParserFeature == EConvertTagsToLowerCase) |
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90 { |
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91 return iParserMode & aParserFeature; |
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92 } |
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93 return iParser->IsFeatureEnabled(aParserFeature); |
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94 } |
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95 |
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96 // -------------------------------------------------------------------------------------- |
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97 // Deserializes document |
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98 // -------------------------------------------------------------------------------------- |
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99 // |
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100 void CXmlEngDeserializerXOP::DeserializeL() |
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101 { |
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102 switch(iSerializationOutput) |
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103 { |
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104 case EDeserializeFromFile: |
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105 { |
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106 RFs fs; |
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107 User::LeaveIfError(fs.Connect()); |
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108 CleanupClosePushL(fs); |
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109 DeserializeL(fs, iInputFileName->Des(), iParsingOptions); |
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110 CleanupStack::PopAndDestroy(&fs); //fs |
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111 break; |
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112 } |
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113 case EDeserializeFromBuffer: |
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114 { |
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115 if(iBuffer.Length() == 0) |
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116 { |
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117 User::Leave(KXmlEngErrNoParameters); |
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118 } |
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119 DeserializeL(iBuffer, iParsingOptions); |
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120 break; |
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121 } |
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122 case EDeserializeFromStream: |
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123 { |
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124 // Currently this feature is not supported. Implement when need arises or remove. |
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125 User::Leave(KErrNotSupported); |
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126 } |
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127 default: |
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128 { |
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129 User::Leave(KErrNotSupported); |
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130 break; |
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131 } |
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132 } |
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133 } |
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134 |
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135 // -------------------------------------------------------------------------------------- |
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136 // Deserialize document |
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137 // -------------------------------------------------------------------------------------- |
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138 // |
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139 void CXmlEngDeserializerXOP::DeserializeL( const TDesC& aFileName, |
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140 const TXmlEngParsingOptions& aOptions ) |
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141 { |
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142 RFs fs; |
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143 User::LeaveIfError(fs.Connect()); |
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144 CleanupClosePushL(fs); |
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145 DeserializeL(fs, aFileName, aOptions); |
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146 CleanupStack::PopAndDestroy(&fs); //fs |
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147 } |
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148 |
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149 // -------------------------------------------------------------------------------------- |
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150 // Deserialize document |
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151 // -------------------------------------------------------------------------------------- |
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152 // |
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153 void CXmlEngDeserializerXOP::DeserializeL( RFs& aRFs, |
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154 const TDesC& aFileName, |
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155 const TXmlEngParsingOptions& aOptions ) |
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156 { |
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157 iBodyPartArray.ResetAndDestroy(); |
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158 if(iData) |
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159 { |
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160 delete iData; |
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161 iData = NULL; |
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162 } |
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163 iData = ReadFileL( aRFs, aFileName ); |
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164 TPtrC8 dataPtr = iData->Des(); |
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165 CXmlEngDeserializerXOP::DeserializeL( dataPtr, aOptions ); |
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166 } |
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167 |
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168 // -------------------------------------------------------------------------------------- |
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169 // Deserialize document |
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170 // -------------------------------------------------------------------------------------- |
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171 // |
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172 void CXmlEngDeserializerXOP::DeserializeL( const TDesC8& aBuffer, |
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173 const TXmlEngParsingOptions& aOptions ) |
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174 { |
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175 TXmlEngParsingOptions originalOpts = iParsingOptions; |
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176 iParsingOptions = aOptions; |
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177 |
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178 if( iCleanXOPInfoset ) |
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179 { |
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180 Xml::ParseL(*iParser, aBuffer); |
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181 } |
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182 else |
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183 { |
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184 if(!aBuffer.Length()) |
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185 { |
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186 User::Leave(KXmlEngErrNoParameters); |
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187 } |
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188 if(iBodyPartArray.Count()) |
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189 iBodyPartArray.ResetAndDestroy(); |
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190 |
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191 MultipartParser::ParseL( aBuffer, KMultipartMixed, KBoundary1, KUrlStub, iBodyPartArray ); |
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192 |
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193 // get xml document |
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194 CBodyPart* bodyPart = NULL; |
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195 if(iBodyPartArray.Count() > 0) |
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196 { |
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197 bodyPart = iBodyPartArray[0]; |
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198 } |
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199 else |
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200 { |
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201 //The multipart document wasn't parsed correctly |
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202 User::Leave(KXmlEngErrBadMultipart); |
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203 } |
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204 Xml::ParseL(*iParser, bodyPart->Body()); |
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205 } |
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206 iParsingOptions = originalOpts; |
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207 iBodyPartArray.ResetAndDestroy(); |
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208 } |
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209 |
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210 // -------------------------------------------------------------------------------------- |
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211 // Retrieves pointer to data referenced by CID from parsed multipart package |
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212 // -------------------------------------------------------------------------------------- |
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213 // |
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214 TInt CXmlEngDeserializerXOP::GetData(const TDesC8& aCid, TPtrC8& aData) |
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215 { |
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216 for(TInt i = 0; i < iBodyPartArray.Count(); i++) |
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217 { |
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218 TPtrC8 cid = iBodyPartArray[i]->ContentID(); |
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219 if(iBodyPartArray[i]->ContentID() == aCid) |
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220 { |
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221 TInt size = iBodyPartArray[i]->Body().Size(); |
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222 iDataPtr.Set(iBodyPartArray[i]->Body()); |
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223 aData.Set(iDataPtr); |
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224 return KErrNone; |
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225 } |
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226 } |
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227 return KErrNotFound; |
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228 } |
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229 |
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230 // -------------------------------------------------------------------------------------- |
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231 // Default Constructor |
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232 // -------------------------------------------------------------------------------------- |
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233 // |
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234 CXmlEngDeserializerXOP::CXmlEngDeserializerXOP( TBool aCleanXOPInfoset ) |
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235 : iData(NULL), iCleanXOPInfoset(aCleanXOPInfoset) |
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236 { |
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237 } |
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238 |
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239 // -------------------------------------------------------------------------------------- |
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240 // Destructor |
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241 // -------------------------------------------------------------------------------------- |
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242 // |
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243 CXmlEngDeserializerXOP::~CXmlEngDeserializerXOP() |
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244 { |
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245 if(iData) |
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246 { |
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247 delete iData; |
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248 } |
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249 iBodyPartArray.ResetAndDestroy(); |
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250 delete iInternalHandler; |
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251 } |
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252 |
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253 // -------------------------------------------------------------------------------------- |
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254 // 2nd phase constructor |
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255 // -------------------------------------------------------------------------------------- |
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256 // |
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257 void CXmlEngDeserializerXOP::ConstructL( MContentHandler& aContentHandler ) |
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258 { |
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259 if(iInternalHandler) |
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260 { |
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261 delete iInternalHandler; |
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262 iInternalHandler = NULL; |
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263 } |
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264 iInternalHandler = CXmlEngContentHandler::NewL(this, &aContentHandler); |
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265 |
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266 if(iParser) |
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267 { |
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268 delete iParser; |
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269 iParser = NULL; |
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270 } |
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271 |
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272 CMatchData* matchData = CMatchData::NewLC(); |
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273 matchData->SetMimeTypeL(KXmlMimeType); |
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274 matchData->SetVariantL(KParserType); |
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275 iParser = CParser::NewL(*matchData, *iInternalHandler); |
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276 CleanupStack::PopAndDestroy(matchData); |
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277 } |
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278 |
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279 // -------------------------------------------------------------------------------------- |
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280 // Read file |
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281 // -------------------------------------------------------------------------------------- |
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282 // |
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283 HBufC8* CXmlEngDeserializerXOP::ReadFileL( RFs& aRFs, const TDesC& aFileName) |
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284 { |
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285 RFile file; |
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286 User::LeaveIfError(file.Open(aRFs, aFileName, EFileRead)); |
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287 CleanupClosePushL(file); |
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288 TInt size; |
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289 User::LeaveIfError(file.Size(size)); |
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290 HBufC8* buf = HBufC8::NewLC(size); |
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291 TPtr8 bufPtr(buf->Des()); |
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292 User::LeaveIfError(file.Read(bufPtr)); |
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293 CleanupStack::Pop(buf); // buf |
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294 CleanupStack::PopAndDestroy(&file); // file |
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295 return buf; |
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296 } |
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297 |
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298 /* |
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299 // -------------------------------------------------------------------------------------- |
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300 // SerializationOutput |
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301 // -------------------------------------------------------------------------------------- |
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302 // |
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303 TXmlEngDeserializationSource CXmlEngDeserializerXOP::SerializationOutput() |
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304 { |
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305 return iSerializationOutput; |
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306 } |
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307 */ |
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308 |
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309 |