1 /* |
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2 * Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Sources |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 // INCLUDE FILES |
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21 #include <s32buf.h> |
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22 #include <s32file.h> |
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23 |
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24 #include "nsmlxmlparser.h" |
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25 |
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26 |
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27 // ============================ MEMBER FUNCTIONS =============================== |
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28 |
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29 // ----------------------------------------------------------------------------- |
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30 // CNSmlEmailFileParser::NewL |
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31 // Two-phased constructor. |
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32 // ----------------------------------------------------------------------------- |
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33 // |
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34 EXPORT_C CNSmlEmailFileParser* CNSmlEmailFileParser::NewL() |
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35 { |
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36 CNSmlEmailFileParser* self = CNSmlEmailFileParser::NewLC(); |
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37 CleanupStack::Pop(); |
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38 |
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39 return self; |
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40 } |
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41 |
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42 // ----------------------------------------------------------------------------- |
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43 // CNSmlEmailFileParser::NewLC |
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44 // Two-phased constructor. |
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45 // ----------------------------------------------------------------------------- |
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46 // |
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47 EXPORT_C CNSmlEmailFileParser* CNSmlEmailFileParser::NewLC() |
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48 { |
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49 CNSmlEmailFileParser* self = new (ELeave) CNSmlEmailFileParser(); |
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50 CleanupStack::PushL(self); |
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51 self->ConstructL(); |
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52 |
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53 return self; |
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54 } |
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55 |
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56 // ----------------------------------------------------------------------------- |
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57 // CNSmlEmailFileParser::~CNSmlEmailFileParser |
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58 // Destructor. |
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59 // ----------------------------------------------------------------------------- |
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60 // |
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61 EXPORT_C CNSmlEmailFileParser::~CNSmlEmailFileParser() |
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62 { |
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63 // close rfs and open streams |
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64 if ( iWriteStream.Sink() ) |
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65 iWriteStream.Close(); |
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66 |
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67 iRfs.Close(); |
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68 delete iEmailItemFile; |
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69 } |
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70 |
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71 // ----------------------------------------------------------------------------- |
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72 // CNSmlEmailFileParser::ParseXml |
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73 // Parses the email xml, that is located in the file whose name is given |
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74 // as aXml (path and filename) |
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75 // ----------------------------------------------------------------------------- |
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76 // |
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77 EXPORT_C TNSmlParserGeneratorError CNSmlEmailFileParser::ParseXml( HBufC8* aXml ) |
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78 { |
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79 if ( !aXml ) |
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80 return EInvalidFilename; |
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81 |
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82 HBufC* filename = Buf8ToBuf16( aXml ); |
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83 if ( !filename ) |
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84 { |
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85 return EOutOfMemory; |
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86 } |
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87 |
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88 // open the stream and parse |
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89 TNSmlParserGeneratorError err = EErrorNone; |
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90 RFileReadStream rs; |
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91 if ( rs.Open(iRfs, *filename, KFileReadAccess) != KErrNone ) |
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92 { |
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93 err = EInvalidFilename; |
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94 } |
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95 else |
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96 { |
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97 err = ParseXml( rs ); |
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98 rs.Close(); |
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99 } |
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100 |
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101 delete filename; |
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102 |
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103 return err; |
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104 } |
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105 |
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106 // ----------------------------------------------------------------------------- |
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107 // CNSmlEmailFileParser::ParseXml |
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108 // Parses the xml from the given stream, and writes the emailitem - if present - to a temp file |
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109 // ----------------------------------------------------------------------------- |
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110 // |
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111 EXPORT_C TNSmlParserGeneratorError CNSmlEmailFileParser::ParseXml( RReadStream& aRs ) |
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112 { |
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113 iSetValues.Reset(); |
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114 iCurrentState = ENone; |
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115 iLastState = ENone; |
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116 |
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117 TRAPD(err, ParseFromStreamL( aRs )); |
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118 |
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119 if( err == EErrorNone && iCurrentState != ENone ) |
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120 return EInvalidXmlError; |
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121 |
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122 return CheckError(err); |
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123 } |
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124 |
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125 // ----------------------------------------------------------------------------- |
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126 // CNSmlEmailFileParser::GenerateXml |
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127 // Generates the xml and writes it to the file whose name is given in aXml (path |
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128 // and filename). |
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129 // ----------------------------------------------------------------------------- |
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130 // |
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131 EXPORT_C TNSmlParserGeneratorError CNSmlEmailFileParser::GenerateXml( HBufC8*& aXml ) |
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132 { |
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133 if ( !aXml ) |
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134 return EInvalidFilename; |
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135 |
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136 HBufC* filename = Buf8ToBuf16( aXml ); |
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137 if ( !filename ) |
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138 { |
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139 return EOutOfMemory; |
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140 } |
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141 |
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142 // open the stream and generate |
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143 iWriteStream.Replace(iRfs, *filename, KFileWriteAccess); |
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144 TNSmlParserGeneratorError err = GenerateXml( iWriteStream ); |
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145 iWriteStream.Close(); |
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146 |
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147 delete filename; |
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148 |
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149 return err; |
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150 } |
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151 |
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152 // ----------------------------------------------------------------------------- |
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153 // CNSmlEmailFileParser::GenerateXml |
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154 // Generates the xml and writes it to the given stream. |
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155 // ----------------------------------------------------------------------------- |
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156 // |
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157 EXPORT_C TNSmlParserGeneratorError CNSmlEmailFileParser::GenerateXml( RWriteStream& aWs ) |
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158 { |
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159 TRAPD( err, GenerateEmailXmlL( aWs ) ); |
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160 |
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161 return CheckError(err); |
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162 } |
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163 |
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164 // ----------------------------------------------------------------------------- |
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165 // CNSmlEmailFileParser::GenerateEmailXmlL |
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166 // ----------------------------------------------------------------------------- |
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167 // |
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168 void CNSmlEmailFileParser::GenerateEmailXmlL( RWriteStream& aWs ) |
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169 { |
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170 ConvertIntoEntitiesL(); |
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171 |
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172 // count the size of the xml (does not include emailitem, since it is - if present - in a file) |
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173 TInt size = CNSmlEmailParser::CountXmlSizeL(); |
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174 if ( iUseEmailItem ) size += 20; // extra for emailitem tags |
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175 |
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176 // create a buffer for using the size |
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177 HBufC8* xml = HBufC8::NewLC(size); |
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178 TPtr8 ptr = xml->Des(); |
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179 |
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180 // append data to buffer |
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181 AppendElement(ptr, KEmailElement()); |
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182 |
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183 if ( iRead ) |
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184 { |
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185 AppendElement(ptr, KEmailReadElement(), BooleanToString( iRead )); |
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186 } |
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187 |
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188 if ( iForwarded ) |
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189 { |
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190 AppendElement(ptr, KEmailForwardedElement(), BooleanToString( iForwarded )); |
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191 } |
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192 |
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193 if ( iReplied ) |
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194 { |
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195 AppendElement(ptr, KEmailRepliedElement(), BooleanToString( iReplied )); |
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196 } |
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197 |
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198 if (iReceived != Time::NullTTime()) |
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199 { |
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200 AppendElement(ptr, KEmailReceivedElement(), DateTimeToStringL(iReceived)); |
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201 } |
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202 |
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203 if (iCreated != Time::NullTTime()) |
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204 { |
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205 AppendElement(ptr, KEmailCreatedElement(), DateTimeToStringL(iCreated)); |
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206 } |
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207 |
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208 if (iModified != Time::NullTTime()) |
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209 { |
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210 AppendElement(ptr, KEmailModifiedElement(), DateTimeToStringL(iModified)); |
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211 } |
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212 |
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213 if ( iDeleted ) |
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214 { |
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215 AppendElement(ptr, KEmailDeletedElement(), BooleanToString( iDeleted )); |
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216 } |
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217 |
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218 if ( iFlagged ) |
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219 { |
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220 AppendElement(ptr, KEmailFlaggedElement(), BooleanToString( iFlagged )); |
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221 } |
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222 |
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223 // if emailitem should be used in generation, write it to the stream |
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224 if ( iUseEmailItem ) |
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225 { |
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226 // append start tag and cdata start |
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227 AppendElement(ptr, KEmailItemElement()); |
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228 ptr.Append(KCDataStart); |
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229 |
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230 // open a stream to emailitem |
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231 RFileReadStream rs; |
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232 TInt err = rs.Open( iRfs, *iEmailItemFile, KFileReadAccess ); |
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233 if ( err != KErrNone ) |
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234 User::Leave( EInvalidFilename ); |
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235 |
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236 CleanupClosePushL(rs); |
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237 |
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238 // write the buffer to the stream |
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239 aWs.WriteL(ptr); |
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240 |
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241 // write emailitem from stream |
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242 aWs.WriteL(rs); |
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243 |
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244 // close the opened read stream |
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245 CleanupStack::Pop(); // rs |
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246 |
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247 // empty the buffer (i.e. set the length to zero) |
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248 ptr.SetLength(0); |
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249 |
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250 // append emailitem end tag and cdata inner end |
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251 ptr.Append(KCDataEnd); |
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252 AppendEndElement(ptr, KEmailItemElement()); |
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253 } |
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254 |
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255 // append the rest of the data to the buffer |
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256 if ( iTruncated ) |
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257 { |
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258 iTruncated->GenerateXmlL(ptr, this); |
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259 } |
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260 |
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261 if ( iExt ) |
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262 { |
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263 for (TInt i=0; i < iExt->Count(); ++i) |
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264 { |
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265 iExt->At(i)->GenerateXmlL(ptr, this); |
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266 } |
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267 |
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268 } |
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269 |
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270 AppendEndElement(ptr, KEmailElement()); |
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271 |
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272 // write the buffer to the stream and commit |
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273 aWs.WriteL(ptr); |
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274 aWs.CommitL(); |
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275 |
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276 CleanupStack::PopAndDestroy(); // xml |
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277 |
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278 } |
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279 |
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280 // ----------------------------------------------------------------------------- |
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281 // CNSmlEmailFileParser::CountXmlSizeL |
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282 // ----------------------------------------------------------------------------- |
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283 // |
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284 EXPORT_C TInt CNSmlEmailFileParser::CountXmlSizeL() |
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285 { |
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286 // counting the size is not essential, since xml is written to a file |
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287 return KErrNotSupported; |
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288 } |
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289 |
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290 // ----------------------------------------------------------------------------- |
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291 // CNSmlEmailFileParser::HandleNextEmailItemDataL |
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292 // Next emailitem data |
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293 // ----------------------------------------------------------------------------- |
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294 // |
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295 void CNSmlEmailFileParser::HandleNextEmailItemDataL( TPtrC8 aData ) |
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296 { |
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297 // write the given piece of data into a file (stream) |
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298 iWriteStream.WriteL(aData); |
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299 } |
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300 |
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301 |
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302 // ----------------------------------------------------------------------------- |
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303 // CNSmlEmailFileParser::HandleNextEmailItemStartL |
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304 // Emailitem element starts |
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305 // ----------------------------------------------------------------------------- |
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306 // |
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307 void CNSmlEmailFileParser::HandleNextEmailItemStartL() |
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308 { |
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309 // open the write stream |
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310 User::LeaveIfError( iWriteStream.Replace( iRfs, *iEmailItemFile, KFileWriteAccess ) ); |
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311 iReadingEmailItemData = ETrue; |
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312 } |
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313 |
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314 // ----------------------------------------------------------------------------- |
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315 // CNSmlEmailFileParser::HandleNextEmailItemEndL |
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316 // Emailitem element ends |
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317 // ----------------------------------------------------------------------------- |
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318 // |
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319 void CNSmlEmailFileParser::HandleNextEmailItemEndL() |
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320 { |
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321 // close the write stream |
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322 iWriteStream.Close(); |
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323 iReadingEmailItemData = EFalse; |
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324 } |
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325 |
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326 // ----------------------------------------------------------------------------- |
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327 // CNSmlEmailFileParser::ParseFromStreamL |
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328 // ----------------------------------------------------------------------------- |
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329 // |
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330 void CNSmlEmailFileParser::ParseFromStreamL( RReadStream& aRs ) |
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331 { |
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332 |
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333 // reset preprocess variables and parser |
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334 ResetPreProcessor(); |
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335 ResetParserL(); |
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336 |
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337 // read and process the data piece by piece |
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338 HBufC8* piece = HBufC8::NewLC(KReadDataLength); |
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339 TPtr8 ptr = piece->Des(); |
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340 TInt dataSize = aRs.Source()->SizeL(); |
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341 |
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342 TInt pos = 0; |
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343 iFirstPiece = ETrue; |
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344 for( pos = KReadDataLength; pos <= dataSize ; pos += KReadDataLength ) |
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345 { |
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346 // read piece of data from the stream |
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347 aRs.ReadL(ptr, KReadDataLength); |
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348 |
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349 // check that there are no incomplete cdata/comment/entity at the end |
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350 dataSize += RemoveIncompleteL( piece, aRs ); |
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351 |
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352 // pre-process |
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353 PreProcessPieceL( piece ); |
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354 |
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355 // parsing |
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356 TPtrC8 temp( *piece ); |
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357 ParsePieceL( temp ); |
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358 |
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359 iFirstPiece = EFalse; |
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360 } |
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361 |
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362 TInt lastPartLength = dataSize - pos + KReadDataLength; |
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363 aRs.ReadL(ptr, lastPartLength); |
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364 |
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365 PreProcessPieceL( piece ); |
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366 |
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367 // parsing |
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368 TPtrC8 temp( *piece ); |
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369 ParsePieceL( temp, ETrue ); |
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370 |
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371 CleanupStack::PopAndDestroy(); // piece |
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372 } |
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373 |
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374 // ----------------------------------------------------------------------------- |
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375 // CNSmlEmailFileParser::ParsePieceL |
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376 // ----------------------------------------------------------------------------- |
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377 // |
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378 void CNSmlEmailFileParser::ParsePieceL( TPtrC8& aXml, TBool aLastPiece ) |
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379 { |
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380 |
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381 // check if last cdata has not ended yet |
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382 if ( iReadingCData ) |
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383 { |
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384 TInt endPos = aXml.Find(KCDataEnd); |
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385 TPtrC8 cdata = _L8(""); |
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386 |
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387 if ( endPos == KErrNotFound && aLastPiece ) |
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388 { |
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389 User::Leave(EInvalidCDataStructure); |
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390 } |
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391 else if ( endPos == KErrNotFound ) |
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392 { |
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393 // cdata end was not found, read the whole piece as cdata |
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394 NextDataL( aXml ); |
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395 return; |
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396 } |
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397 else |
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398 { |
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399 // add data until cdata end to buffer |
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400 cdata.Set( aXml.Left( endPos ) ); |
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401 aXml.Set( aXml.Right( aXml.Length() - endPos - KCDataEnd().Length() ) ); |
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402 iReadingCData = EFalse; |
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403 } |
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404 |
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405 AddToCompleteL(cdata); |
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406 NextDataL(*iCompleteBuffer); |
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407 ResetBufferL(iCompleteBuffer); |
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408 |
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409 } |
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410 #ifndef __NO_XML_COMMENTS_ |
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411 else if ( iReadingComment ) // check if last comment has not ended yet |
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412 { |
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413 TInt endPos = aXml.Find(KCommentEnd); |
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414 |
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415 if ( endPos == KErrNotFound && aLastPiece ) |
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416 { // this is the last piece of data and end of comment has not been found -> error |
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417 User::Leave(EInvalidXmlError); |
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418 } |
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419 else if ( endPos == KErrNotFound ) |
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420 { |
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421 // end of comment was not found, no need to parse this piece of data |
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422 return; |
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423 } |
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424 else |
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425 { |
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426 // end of cdata was found, jump to that position |
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427 aXml.Set( aXml.Right( aXml.Length() - endPos - KCommentEnd().Length() ) ); |
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428 iReadingComment = EFalse; |
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429 } |
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430 } |
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431 #endif |
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432 |
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433 // parse through the string |
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434 TText c; |
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435 |
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436 for( TInt i=0; i < aXml.Length(); ++i ) |
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437 { |
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438 c = aXml[i]; |
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439 switch(c) |
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440 { |
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441 case KElementStart: |
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442 // if currently reading element, error |
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443 if( iReadingElementName ) |
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444 { |
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445 User::Leave(EInvalidXmlError); |
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446 } |
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447 |
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448 if( aXml.Length()-i >= KCDataStart().Length() && |
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449 !aXml.Mid(i, KCDataStart().Length()).Compare(KCDataStart()) ) |
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450 { // cdata |
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451 aXml.Set( aXml.Right( aXml.Length() - i ) ); |
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452 TInt endPos = aXml.Find(KCDataEnd); |
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453 |
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454 TPtrC8 cdata = _L8(""); |
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455 if ( endPos == KErrNotFound && aLastPiece ) |
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456 { |
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457 User::Leave(EInvalidCDataStructure); |
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458 } |
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459 else if ( endPos == KErrNotFound ) |
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460 { |
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461 // cdata end was not found, read all the rest as cdata |
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462 cdata.Set( aXml.Right( aXml.Length() - KCDataStart().Length() ) ); |
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463 i = aXml.Length(); // move to the end |
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464 iReadingCData = ETrue; |
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465 } |
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466 else |
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467 { |
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468 cdata.Set( aXml.Mid( KCDataStart().Length(), endPos - KCDataStart().Length() ) ); |
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469 aXml.Set( aXml.Right( aXml.Length() - endPos - KCDataEnd().Length() ) ); |
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470 |
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471 i = -1; |
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472 } |
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473 |
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474 // add current buffer to complete buffer |
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475 EntitiesToCharactersL( iBuffer, 0, iBuffer->Length() ); |
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476 AddToCompleteL(*iBuffer); |
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477 ResetBufferL(iBuffer); |
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478 AddToCompleteL(cdata); |
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479 } |
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480 #ifndef __NO_XML_COMMENTS_ |
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481 else if( aXml.Length()-i >= KCommentStart().Length() && |
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482 !aXml.Mid(i, KCommentStart().Length()).Compare(KCommentStart()) ) |
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483 { // comment |
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484 aXml.Set( aXml.Right( aXml.Length() - i ) ); |
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485 TInt endPos = aXml.Find(KCommentEnd); |
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486 |
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487 if ( endPos == KErrNotFound && aLastPiece) |
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488 { |
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489 // this is the last piece of data, and end of comment was not found -> error |
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490 User::Leave(EInvalidXmlError); |
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491 } |
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492 else if ( endPos == KErrNotFound ) |
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493 { |
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494 // the end was not found, no need to parse the rest since it is comment |
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495 iReadingComment = ETrue; |
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496 return; |
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497 } |
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498 else |
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499 { |
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500 // the end of comment was found, move to the end of comment and start parsing |
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501 // from there on |
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502 aXml.Set( aXml.Right( aXml.Length() - endPos - KCommentEnd().Length() ) ); |
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503 } |
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504 |
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505 i = -1; |
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506 } |
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507 #endif |
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508 else |
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509 { |
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510 // send the buffer |
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511 EntitiesToCharactersL( iBuffer, 0, iBuffer->Length() ); |
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512 AddToCompleteL(*iBuffer); |
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513 NextDataL(*iCompleteBuffer); |
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514 ResetBufferL(iBuffer); |
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515 ResetBufferL(iCompleteBuffer); |
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516 iReadingElementName = ETrue; |
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517 } |
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518 |
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519 break; |
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520 case KElementEnd: |
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521 // stop reading element name |
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522 if( !iReadingElementName ) |
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523 { |
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524 User::Leave(EInvalidXmlError); |
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525 } |
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526 else |
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527 { |
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528 NextElementL(*iBuffer); |
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529 ResetBufferL(iBuffer); |
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530 iReadingElementName = EFalse; |
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531 } |
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532 break; |
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533 default: |
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534 // add char to buffer |
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535 AddToBufferL(c, iBuffer); |
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536 break; |
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537 } |
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538 } |
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539 |
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540 // send the data in the buffer |
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541 if ( ( iReadingEmailItemData || aLastPiece ) && !iReadingElementName ) |
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542 { |
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543 EntitiesToCharactersL( iBuffer, 0, iBuffer->Length() ); |
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544 AddToCompleteL(*iBuffer); |
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545 NextDataL(*iCompleteBuffer); |
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546 ResetBufferL(iBuffer); |
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547 ResetBufferL(iCompleteBuffer); |
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548 } |
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549 |
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550 } |
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551 |
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552 // ----------------------------------------------------------------------------- |
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553 // CNSmlEmailFileParser::RemoveIncompleteL |
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554 // Checks if there is incomplete cdata/comment/entity at the end of the given |
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555 // piece. If one is found, it is removed from aPiece and the read mark of the |
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556 // stream is moved backwards the length of the removed item (i.e. the incomplete |
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557 // item will be read to the next piece as a whole). |
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558 // ----------------------------------------------------------------------------- |
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559 // |
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560 TUint CNSmlEmailFileParser::RemoveIncompleteL( HBufC8* aPiece, RReadStream& aStream ) |
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561 { |
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562 // we need to check only the last nine characters |
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563 TUint removeSize = CheckPiece( aPiece->Right( 9 ) ); |
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564 |
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565 if ( removeSize ) |
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566 { |
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567 // remove the incomplete item from aPiece |
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568 TPtr8 ptr = aPiece->Des(); |
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569 ptr.Delete( aPiece->Length() - removeSize, removeSize ); |
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570 |
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571 // move backwards in reading the stream |
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572 aStream.Source()->SeekL( MStreamBuf::ERead, aStream.Source()->TellL(MStreamBuf::ERead) - removeSize ); |
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573 } |
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574 |
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575 // no need to loop the rest of aPiece. If xml is not correctly formed, |
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576 // an error occures later in the parser |
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577 |
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578 return removeSize; |
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579 } |
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580 |
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581 // ----------------------------------------------------------------------------- |
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582 // CNSmlEmailFileParser::CheckPiece |
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583 // ----------------------------------------------------------------------------- |
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584 // |
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585 TUint CNSmlEmailFileParser::CheckPiece( const TPtrC8 aEnd ) const |
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586 { |
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587 // check that there are no incomplete cdata/comment/entity at the end |
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588 // (cdata start, cdata end, cdata inner end, comment start, comment end, entities) |
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589 // ( <![CDATA[ , ]]> , <!-- , --> , &xxxx; , ]]]]>> , ]]]]>> ) |
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590 // do not change the order |
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591 |
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592 // possible inner cdata end |
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593 TInt pos = aEnd.Find( _L8("]]]") ); |
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594 if ( pos != KErrNotFound ) |
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595 { |
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596 return aEnd.Length() - pos; |
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597 } |
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598 |
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599 // beginning part of comment or cdata |
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600 pos = aEnd.Find( _L8("<!") ); |
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601 if ( pos != KErrNotFound ) |
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602 { |
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603 return aEnd.Length() - pos; |
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604 } |
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605 |
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606 // end of cdata |
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607 TText lastChar = aEnd[aEnd.Length()-1]; |
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608 TText secondLastChar = aEnd[aEnd.Length()-2]; |
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609 if ( lastChar == ']' && secondLastChar == ']' ) |
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610 { |
|
611 return 2; |
|
612 } |
|
613 |
|
614 #ifndef __NO_XML_COMMENTS_ |
|
615 // comment end |
|
616 if ( lastChar == '-' && secondLastChar == '-' ) |
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617 { |
|
618 return 2; |
|
619 } |
|
620 #endif |
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621 |
|
622 // special chars |
|
623 if ( lastChar == '<' || lastChar == ']' || lastChar == '-' ) |
|
624 { |
|
625 return 1; |
|
626 } |
|
627 |
|
628 // possible entity |
|
629 pos = aEnd.Find( _L8("&") ); |
|
630 if ( pos != KErrNotFound ) |
|
631 { |
|
632 return aEnd.Length() - pos; |
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633 } |
|
634 |
|
635 return 0; |
|
636 } |
|
637 |
|
638 // ----------------------------------------------------------------------------- |
|
639 // CNSmlEmailFileParser::PreProcessPieceL |
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640 // ----------------------------------------------------------------------------- |
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641 // |
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642 void CNSmlEmailFileParser::PreProcessPieceL( HBufC8* aXml ) |
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643 { |
|
644 // take a modifiable pointer |
|
645 TPtr8 xml = aXml->Des(); |
|
646 |
|
647 // the string used for searching and moving in the string |
|
648 TPtrC8 searchString(*aXml); |
|
649 |
|
650 // the current position in the original string |
|
651 TInt searchStartPos = 0; |
|
652 |
|
653 // if start has been found and end has not, try to find end first |
|
654 if ( iCdataEndPos == KErrNotFound && iCdataStartPos != KErrNotFound && iCdataFoundFromFirstPiece ) |
|
655 { |
|
656 // we're looking for a cdata end |
|
657 iCdataEndPos = searchString.Find(KCDataEnd); |
|
658 |
|
659 // if the end was found, remove it and start looking for a cdata start |
|
660 if ( iCdataEndPos != KErrNotFound ) |
|
661 { |
|
662 // remove cdata end |
|
663 xml.Delete(iCdataEndPos, KCDataEnd().Length()); |
|
664 searchStartPos = iCdataEndPos; |
|
665 searchString.Set( xml.Right(xml.Length() - searchStartPos) ); |
|
666 } |
|
667 else |
|
668 { |
|
669 // end was not found, return |
|
670 return; |
|
671 } |
|
672 } |
|
673 |
|
674 iCdataStartPos = searchString.Find(KCDataStart); |
|
675 |
|
676 // If CDATA is not found from beginning then data is not inside CDATA and then |
|
677 // preprocessing is not needed |
|
678 if ( iCdataStartPos != 0 && iFirstPiece ) |
|
679 { |
|
680 return; |
|
681 } |
|
682 else if ( !iFirstPiece && !iCdataFoundFromFirstPiece ) |
|
683 { |
|
684 return; |
|
685 } |
|
686 else if ( iCdataStartPos == 0 && iFirstPiece ) |
|
687 { |
|
688 iCdataFoundFromFirstPiece = ETrue; |
|
689 } |
|
690 |
|
691 |
|
692 // while cdata is found |
|
693 while ( iCdataStartPos != KErrNotFound ) |
|
694 { |
|
695 iCdataStartPos += searchStartPos; |
|
696 |
|
697 // find an end of cdata before entities are converted |
|
698 iCdataEndPos = searchString.Find(KCDataEnd); |
|
699 |
|
700 // convert entities between search start and cdata start |
|
701 TInt entityChange = EntitiesToCharactersL(aXml, searchStartPos, iCdataStartPos); |
|
702 xml.Set(aXml->Des()); |
|
703 iCdataStartPos += entityChange; |
|
704 |
|
705 if ( iCdataEndPos != KErrNotFound ) |
|
706 { |
|
707 iCdataEndPos += entityChange; |
|
708 iCdataEndPos += searchStartPos; |
|
709 |
|
710 // if the end is before start -> error |
|
711 if ( iCdataEndPos < iCdataStartPos ) |
|
712 User::Leave( EInvalidCDataStructure ); |
|
713 |
|
714 // remove cdata end |
|
715 xml.Delete(iCdataEndPos, KCDataEnd().Length()); |
|
716 // remove cdata start |
|
717 xml.Delete(iCdataStartPos, KCDataStart().Length()); |
|
718 |
|
719 searchStartPos = iCdataEndPos - KCDataStart().Length(); |
|
720 searchString.Set( xml.Right(xml.Length() - searchStartPos) ); |
|
721 } |
|
722 else |
|
723 { |
|
724 // remove cdata start |
|
725 xml.Delete(iCdataStartPos, KCDataStart().Length()); |
|
726 |
|
727 // since there was no end found, return |
|
728 return; |
|
729 } |
|
730 |
|
731 // find a new cdata start that is after the found end |
|
732 iCdataStartPos = searchString.Find(KCDataStart); |
|
733 |
|
734 } |
|
735 |
|
736 if ( iCdataStartPos == KErrNotFound ) |
|
737 { |
|
738 EntitiesToCharactersL(aXml, searchStartPos, aXml->Length()); |
|
739 } |
|
740 |
|
741 } |
|
742 |
|
743 // ----------------------------------------------------------------------------- |
|
744 // CNSmlEmailFileParser::ResetParserL |
|
745 // Resets the state of the parser, should be called before starting the parsing. |
|
746 // ----------------------------------------------------------------------------- |
|
747 // |
|
748 void CNSmlEmailFileParser::ResetParserL() |
|
749 { |
|
750 ResetBufferL(iBuffer); |
|
751 ResetBufferL(iCompleteBuffer); |
|
752 iReadingElementName = EFalse; |
|
753 iReadingCData = EFalse; |
|
754 iReadingEmailItemData = EFalse; |
|
755 iFirstPiece = EFalse; |
|
756 iCdataFoundFromFirstPiece = EFalse; |
|
757 } |
|
758 |
|
759 // ----------------------------------------------------------------------------- |
|
760 // CNSmlEmailFileParser::ResetPreProcessor |
|
761 // Resets the variables used in preprocessor. |
|
762 // ----------------------------------------------------------------------------- |
|
763 // |
|
764 void CNSmlEmailFileParser::ResetPreProcessor() |
|
765 { |
|
766 iCdataStartPos = KErrNotFound; |
|
767 iCdataEndPos = KErrNotFound; |
|
768 } |
|
769 |
|
770 // ----------------------------------------------------------------------------- |
|
771 // CNSmlEmailFileParser::Buf8ToBuf16 |
|
772 // ----------------------------------------------------------------------------- |
|
773 // |
|
774 HBufC* CNSmlEmailFileParser::Buf8ToBuf16( const HBufC8* buf8 ) const |
|
775 { |
|
776 HBufC* buf16 = HBufC::New(buf8->Length()); |
|
777 if ( buf16 ) |
|
778 { |
|
779 TPtr ptr = buf16->Des(); |
|
780 ptr.Copy( *buf8 ); |
|
781 } |
|
782 |
|
783 return buf16; |
|
784 } |
|
785 |
|
786 // ----------------------------------------------------------------------------- |
|
787 // CNSmlEmailFileParser::CNSmlEmailFileParser |
|
788 // Constructor. |
|
789 // ----------------------------------------------------------------------------- |
|
790 // |
|
791 CNSmlEmailFileParser::CNSmlEmailFileParser() |
|
792 : iUseEmailItem(ETrue) |
|
793 { |
|
794 } |
|
795 |
|
796 // ----------------------------------------------------------------------------- |
|
797 // CNSmlEmailFileParser::ConstructL |
|
798 // Second phase construction. |
|
799 // ----------------------------------------------------------------------------- |
|
800 // |
|
801 void CNSmlEmailFileParser::ConstructL() |
|
802 { |
|
803 CNSmlEmailParser::ConstructL(); |
|
804 User::LeaveIfError( iRfs.Connect() ); |
|
805 |
|
806 // create path+filename for emailitem |
|
807 iEmailItemFile = HBufC::NewL( KMaxEmailItemFileNameLength ); |
|
808 TPtr file = iEmailItemFile->Des(); |
|
809 |
|
810 file.Append( KEmailItemFile ); |
|
811 |
|
812 } |
|
813 |
|
814 // End of File |
|