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1 /* |
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2 * Copyright (c) 2002-2005 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: This file contains methods which interact with Landmarks Framework |
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15 * parser which does the job of parsing landmarks in the received |
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16 * landmark package |
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17 * |
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18 */ |
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19 |
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20 |
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21 |
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22 |
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23 |
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24 |
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25 |
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26 // INCLUDE FILES |
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27 |
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28 #include "EPos_CPosLandmarkParser.h" |
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29 #include "EPos_CPosLandmarkDatabase.h" |
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30 #include "EPos_CPosLandmark.h" |
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31 #include "landmarks.hrh" |
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32 #include "LmkFileUtils.h" |
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33 #include "CLmkAOOperation.h" |
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34 #include "CLmkDbUtils.h" |
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35 #include "CLmkParser.h" |
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36 #include "CLmkParseAllWrapper.h" |
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37 #include <apgcli.h> |
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38 #include <lmkerrors.h> |
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39 |
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40 // CONSTANTS |
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41 /// Unnamed namespace for local definitions |
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42 namespace { |
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43 |
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44 #if defined(_DEBUG) |
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45 _LIT( KPanicMsg, "CLmkParser" ); |
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46 |
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47 void Panic( TPanicCode aReason ) |
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48 { |
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49 User::Panic( KPanicMsg, aReason ); |
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50 } |
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51 #endif |
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52 |
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53 _LIT( KLmkTempDataFile, "c:\\system\\Temp\\LmkTemp.lmx" ); |
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54 |
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55 } // namespace |
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56 |
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57 // ============================ MEMBER FUNCTIONS =============================== |
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58 |
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59 // ----------------------------------------------------------------------------- |
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60 // CLmkParser::CLmkParser |
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61 // C++ default constructor can NOT contain any code, that |
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62 // might leave. |
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63 // ----------------------------------------------------------------------------- |
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64 // |
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65 CLmkParser::CLmkParser( |
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66 CPosLandmarkDatabase& aDb, |
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67 MLmkAOOperationObserver& aObserver, |
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68 TBool aProgressNote ) |
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69 : iDb( aDb ), |
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70 iObserver( &aObserver ), |
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71 iProgressNote( aProgressNote ) |
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72 { |
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73 } |
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74 |
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75 // --------------------------------------------------------- |
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76 // CLmkParser::NewL |
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77 // --------------------------------------------------------- |
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78 // |
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79 EXPORT_C CLmkParser* CLmkParser::NewL( |
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80 const TDesC& aFile, |
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81 CPosLandmarkDatabase& aDb, |
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82 MLmkAOOperationObserver& aObserver, |
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83 TBool aProgressNote ) |
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84 { |
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85 CLmkParser* self = |
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86 new ( ELeave ) CLmkParser( aDb, aObserver, aProgressNote ); |
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87 CleanupStack::PushL( self ); |
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88 self->ConstructL( aFile ); |
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89 CleanupStack::Pop(); //self |
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90 return self; |
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91 } |
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92 |
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93 // --------------------------------------------------------- |
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94 // CLmkParser::NewL |
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95 // --------------------------------------------------------- |
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96 // |
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97 EXPORT_C CLmkParser* CLmkParser::NewL( |
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98 RFile& aFile, |
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99 CPosLandmarkDatabase& aDb, |
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100 MLmkAOOperationObserver& aObserver, |
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101 TBool aProgressNote ) |
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102 { |
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103 CLmkParser* self = |
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104 new ( ELeave ) CLmkParser( aDb, aObserver, aProgressNote ); |
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105 CleanupStack::PushL( self ); |
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106 self->ConstructL( aFile ); |
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107 CleanupStack::Pop(); //self |
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108 return self; |
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109 } |
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110 |
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111 |
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112 // ----------------------------------------------------------------------------- |
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113 // CLmkParser::ConstructL() |
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114 // ----------------------------------------------------------------------------- |
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115 // |
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116 void CLmkParser::ConstructL( const TDesC& aFile ) |
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117 { |
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118 |
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119 iDbUtils = CLmkDbUtils::NewL( iDb, *this, iProgressNote ); |
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120 RFs fs; |
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121 User::LeaveIfError(fs.Connect()); |
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122 CleanupClosePushL(fs); |
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123 |
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124 RFile file; |
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125 LmkFileUtils::DeleteFileL(KLmkTempDataFile); |
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126 User::LeaveIfError(file.Create(fs, KLmkTempDataFile, EFileShareAny)); |
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127 CleanupClosePushL(file); |
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128 |
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129 RFile fileHandle; |
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130 User::LeaveIfError(fileHandle.Open(fs, aFile, EFileShareAny)); |
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131 CleanupClosePushL(fileHandle); |
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132 |
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133 TDataType mimeType; |
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134 User::LeaveIfError(ResolveMimeTypeL(fileHandle,mimeType)); |
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135 iParser = CPosLandmarkParser::NewL( mimeType.Des8()); |
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136 |
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137 HBufC8* tempBuf = HBufC8::NewLC(5000); // to manage for 5 Landmarks at the most |
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138 TPtr8 ptr = tempBuf->Des(); |
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139 User::LeaveIfError(fileHandle.Read( ptr )); |
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140 User::LeaveIfError(file.Write( ptr )); |
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141 |
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142 CleanupStack::PopAndDestroy(); // File |
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143 CleanupStack::PopAndDestroy(1); //tempBuf |
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144 |
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145 iParser->SetInputFileL( KLmkTempDataFile); |
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146 iParseWrapper = CLmkParseAllWrapper::NewL( *iParser, *this, iDb ); |
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147 iFileName = HBufC::NewL(256); |
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148 *iFileName = KLmkTempDataFile; |
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149 iFileHandleFlag = EFalse; |
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150 |
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151 CleanupStack::PopAndDestroy(); // File Handle |
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152 CleanupStack::PopAndDestroy(); // fs |
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153 } |
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154 |
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155 // ----------------------------------------------------------------------------- |
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156 // CLmkParser::ConstructL() |
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157 // ----------------------------------------------------------------------------- |
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158 // |
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159 void CLmkParser::ConstructL(RFile& aFile ) |
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160 { |
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161 iDbUtils = CLmkDbUtils::NewL( iDb, *this, iProgressNote ); |
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162 |
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163 TDataType mimeType; |
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164 User::LeaveIfError(ResolveMimeTypeL(aFile,mimeType)); |
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165 iParser = CPosLandmarkParser::NewL( mimeType.Des8()); |
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166 iParser->SetInputFileHandleL(aFile); |
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167 iParseWrapper = CLmkParseAllWrapper::NewL( *iParser, *this, iDb ); |
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168 |
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169 iFileHandle = &aFile; |
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170 iFileHandleFlag = ETrue; |
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171 } |
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172 |
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173 // ----------------------------------------------------------------------------- |
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174 // CLmkParser::~CLmkParser() |
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175 // ----------------------------------------------------------------------------- |
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176 // |
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177 CLmkParser::~CLmkParser() |
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178 { |
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179 delete iAOOperation; |
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180 delete iParser; |
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181 delete iParseWrapper; |
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182 delete iDbUtils; |
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183 delete iFileName; |
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184 iFileHandle = NULL; |
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185 } |
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186 |
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187 // ----------------------------------------------------------------------------- |
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188 // CLmkParser::HandleOperationL |
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189 // ----------------------------------------------------------------------------- |
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190 // |
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191 void CLmkParser::HandleOperationL( |
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192 TOperationTypes aType, |
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193 TReal32 aProgress, |
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194 TInt aStatus ) |
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195 { |
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196 // Initialize operation is not done with iAOOperation so in that case |
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197 // we don't delete iAOOperation. |
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198 if ( aType != EInitialize && aStatus != KPosLmOperationNotComplete ) |
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199 { |
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200 /* Parsing is done with iAOOperation when wrapper isn't used anymore. |
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201 * Remove the following if-statement when removing wrapper |
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202 */ |
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203 if( aType != EParse ) |
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204 { |
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205 __ASSERT_DEBUG( iAOOperation, Panic( KLmkPanicNullMember ) ); |
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206 |
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207 delete iAOOperation; |
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208 iAOOperation = NULL; |
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209 } |
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210 } |
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211 __ASSERT_DEBUG( iObserver, Panic( KLmkPanicNullMember ) ); |
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212 iObserver->HandleOperationL( aType, aProgress, aStatus ); |
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213 } |
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214 |
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215 // ----------------------------------------------------------------------------- |
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216 // CLmkParser::FileName |
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217 // ----------------------------------------------------------------------------- |
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218 // |
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219 EXPORT_C TPtrC CLmkParser::FileName() |
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220 { |
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221 TInt error = KErrNone; |
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222 if( !iFileName ) |
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223 { |
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224 TRAP( error,iFileName = HBufC::NewL(256)); |
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225 } |
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226 if( !error ) |
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227 { |
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228 TPtr ptr = iFileName->Des(); |
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229 iFileHandle->Name( ptr ); |
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230 return *iFileName; |
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231 } |
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232 return TPtrC(); |
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233 } |
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234 |
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235 // ----------------------------------------------------------------------------- |
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236 // CLmkParser::FileHandle |
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237 // ----------------------------------------------------------------------------- |
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238 // |
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239 EXPORT_C RFile& CLmkParser::FileHandle() |
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240 { |
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241 return *iFileHandle; |
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242 } |
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243 |
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244 // ----------------------------------------------------------------------------- |
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245 // CLmkParser::IsFileHandle |
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246 // ----------------------------------------------------------------------------- |
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247 // |
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248 EXPORT_C TBool CLmkParser::IsFileHandle() |
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249 { |
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250 return iFileHandleFlag; |
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251 } |
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252 |
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253 // ----------------------------------------------------------------------------- |
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254 // CLmkParser::InitializeDbL |
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255 // ----------------------------------------------------------------------------- |
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256 // |
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257 EXPORT_C void CLmkParser::InitializeDbL() |
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258 { |
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259 iDbUtils->InitializeDbL(); |
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260 } |
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261 |
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262 // ----------------------------------------------------------------------------- |
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263 // CLmkParser::StartParsingL |
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264 // ----------------------------------------------------------------------------- |
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265 // |
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266 EXPORT_C void CLmkParser::StartParsingL() |
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267 { |
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268 LeaveIfInUseL(); |
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269 iParseWrapper->ParseAllL(); |
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270 } |
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271 |
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272 // ----------------------------------------------------------------------------- |
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273 // CLmkParser::NumOfParsedLandmarks |
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274 // ----------------------------------------------------------------------------- |
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275 // |
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276 EXPORT_C TInt CLmkParser::NumOfParsedLandmarks() |
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277 { |
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278 return iParseWrapper->NumOfLandmarks(); |
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279 } |
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280 |
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281 // ----------------------------------------------------------------------------- |
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282 // CLmkParser::PackageName |
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283 // ----------------------------------------------------------------------------- |
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284 // |
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285 EXPORT_C TPtrC CLmkParser::PackageName() |
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286 { |
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287 _LIT( KDot, "." ); |
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288 TPtrC ptr = iParser->CollectionData( EPosLmCollDataCollectionName ); |
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289 if( ptr.Length() == 0) |
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290 { |
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291 //get the position of '.' character |
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292 TInt pos = FileName().Find(KDot); |
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293 if( pos != KErrNotFound) |
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294 { |
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295 //get the left most string starting from '.' char |
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296 return FileName().Left( pos ); |
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297 } |
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298 else |
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299 { |
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300 return FileName(); |
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301 } |
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302 } |
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303 return ptr; |
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304 } |
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305 |
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306 // ----------------------------------------------------------------------------- |
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307 // CLmkParser::LandmarkLC |
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308 // ----------------------------------------------------------------------------- |
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309 // |
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310 EXPORT_C CPosLandmark* CLmkParser::LandmarkLC( TInt aIndex ) |
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311 { |
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312 return iParseWrapper->LandmarkLC( aIndex ); |
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313 } |
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314 |
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315 // ----------------------------------------------------------------------------- |
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316 // CLmkParser::LmkLandmarkLC |
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317 // ----------------------------------------------------------------------------- |
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318 // |
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319 EXPORT_C CLmkLandmark* CLmkParser::LmkLandmarkLC( TInt aIndex ) |
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320 { |
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321 return iParseWrapper->LmkLandmarkLC(aIndex); |
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322 } |
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323 // ----------------------------------------------------------------------------- |
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324 // CLmkParser::CategoryNameLC |
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325 // ----------------------------------------------------------------------------- |
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326 // |
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327 EXPORT_C CLmkLandMarkCategoriesName* CLmkParser::CategoryNameLC( TInt aIndex ) |
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328 { |
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329 /* THIS FUNCTIONALITY WILL BE USED WHEN WRAPPER IS REMOVED: |
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330 return iParser->LandmarkLC( aIndex ); |
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331 */ |
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332 return iParseWrapper->CategoryNameLC( aIndex ); |
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333 } |
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334 |
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335 // |
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336 // ----------------------------------------------------------------------------- |
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337 // CLmkParser::ChangeObserver |
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338 // ----------------------------------------------------------------------------- |
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339 // |
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340 EXPORT_C void CLmkParser::ChangeObserver( |
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341 MLmkAOOperationObserver& aNewObserver ) |
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342 { |
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343 iObserver = &aNewObserver; |
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344 } |
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345 |
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346 // ----------------------------------------------------------------------------- |
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347 // CLmkParser::StartImportingL |
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348 // ----------------------------------------------------------------------------- |
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349 // |
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350 EXPORT_C void CLmkParser::StartImportingL(TBool aIncludeNewCategories) |
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351 { |
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352 LeaveIfInUseL(); |
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353 |
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354 CPosLandmarkDatabase::TTransferOptions options; |
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355 |
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356 if ( aIncludeNewCategories ) |
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357 { |
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358 options = CPosLandmarkDatabase::EIncludeCategories; |
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359 } |
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360 else |
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361 { |
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362 options = (CPosLandmarkDatabase::EIncludeCategories) | |
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363 (CPosLandmarkDatabase::ESupressCategoryCreation); |
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364 } |
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365 |
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366 CPosLmOperation* operation = |
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367 iDb.ImportLandmarksL( *iParser, options ); |
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368 CleanupStack::PushL( operation ); |
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369 iAOOperation = CLmkAOOperation::NewL( operation, |
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370 *this, |
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371 EImport, |
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372 iProgressNote ); |
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373 CleanupStack::Pop( operation ); // ownership transferred |
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374 |
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375 iAOOperation->StartOperation(); |
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376 } |
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377 |
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378 // ----------------------------------------------------------------------------- |
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379 // CLmkParser::StartImportingL |
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380 // ----------------------------------------------------------------------------- |
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381 // |
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382 EXPORT_C void CLmkParser::StartImportingL( |
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383 const RArray<TUint>& aSelected, TBool aIncludeNewCategories) |
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384 { |
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385 LeaveIfInUseL(); |
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386 |
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387 CPosLandmarkDatabase::TTransferOptions options; |
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388 |
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389 if ( aIncludeNewCategories ) |
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390 { |
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391 options = CPosLandmarkDatabase::EIncludeCategories; |
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392 } |
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393 else |
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394 { |
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395 options = (CPosLandmarkDatabase::EIncludeCategories) | (CPosLandmarkDatabase::ESupressCategoryCreation); |
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396 } |
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397 |
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398 CPosLmOperation* operation = |
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399 iDb.ImportLandmarksL( *iParser, aSelected, options ); |
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400 CleanupStack::PushL( operation ); |
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401 iAOOperation = CLmkAOOperation::NewL( operation, |
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402 *this, |
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403 EImport, |
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404 iProgressNote ); |
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405 CleanupStack::Pop( operation ); // ownership transferred |
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406 |
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407 iAOOperation->StartOperation(); |
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408 } |
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409 |
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410 // ----------------------------------------------------------------------------- |
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411 // CLmkParser::CancelImporting |
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412 // ----------------------------------------------------------------------------- |
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413 // |
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414 EXPORT_C void CLmkParser::CancelImporting() |
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415 { |
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416 if ( iAOOperation ) |
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417 { |
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418 iAOOperation->Cancel(); |
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419 delete iAOOperation; |
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420 iAOOperation = NULL; |
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421 } |
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422 } |
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423 |
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424 // ----------------------------------------------------------------------------- |
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425 // CLmkParser::LeaveIfInUseL |
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426 // ----------------------------------------------------------------------------- |
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427 // |
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428 void CLmkParser::LeaveIfInUseL() |
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429 { |
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430 if ( iAOOperation ) |
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431 { |
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432 User::Leave( KErrInUse ); |
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433 } |
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434 } |
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435 |
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436 // ----------------------------------------------------------------------------- |
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437 // CLmkParser::ResolveMimeTypeL |
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438 // ----------------------------------------------------------------------------- |
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439 // |
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440 TInt CLmkParser::ResolveMimeTypeL( RFile& aFile, TDataType& aDataType ) const |
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441 { |
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442 TInt result(KErrNotFound); |
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443 RApaLsSession ls ; |
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444 TDataRecognitionResult dataType; |
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445 TInt err( ls.Connect() ); |
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446 if ( err == KErrNone ) |
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447 { |
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448 CleanupClosePushL( ls ); |
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449 err = ls.RecognizeData(aFile, dataType); |
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450 if(err == KErrNone && |
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451 (dataType.iConfidence == CApaDataRecognizerType::EProbable |
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452 || dataType.iConfidence == CApaDataRecognizerType::ECertain |
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453 || dataType.iConfidence == CApaDataRecognizerType::EPossible)) |
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454 { |
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455 aDataType = dataType.iDataType; |
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456 result = KErrNone; |
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457 } |
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458 CleanupStack::PopAndDestroy(&ls); |
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459 } |
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460 return result; |
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461 } |
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462 // End of File |