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1 /* |
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2 * Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: generates XML from an UPNP item |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 |
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21 |
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22 |
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23 // INCLUDE FILES |
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24 // System |
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25 #include <e32base.h> |
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26 |
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27 // upnp stack api |
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28 #include <upnpstring.h> |
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29 #include <upnpitem.h> |
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30 #include <upnpdlnaprotocolinfo.h> |
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31 |
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32 // upnpframework / avcontroller helper api |
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33 #include "upnpconstantdefs.h" // for upnp definitions |
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34 #include "upnpitemutility.h" |
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35 |
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36 // xmlparser internal |
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37 #include "upnpitemtoxml.h" |
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38 |
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39 _LIT( KComponentLogfile, "upnpxmlparser.txt"); |
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40 #include "upnplog.h" |
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41 |
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42 // CONSTANTS |
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43 _LIT8(KItemHeading1, "<item id=\""); |
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44 _LIT8(KItemHeading2, "\" parentID=\""); |
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45 _LIT8(KItemHeading3False, "\" restricted=\"0\">"); |
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46 _LIT8(KItemHeading3True, "\" restricted=\"1\">"); |
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47 _LIT8(KItemTitleBegin, "<dc:title>"); |
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48 _LIT8(KItemTitleEnd, "</dc:title>"); |
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49 _LIT8(KItemDateBegin, "<dc:date>"); |
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50 _LIT8(KItemDateEnd, "</dc:date>"); |
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51 _LIT8(KItemClassBegin, "<upnp:class>"); |
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52 _LIT8(KItemClassEnd, "</upnp:class>"); |
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53 _LIT8(KItemPInfoEmpty, "<res protocolInfo=\"*:*:*:*\"></res>"); |
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54 _LIT8(KItemPInfoEmptyDlna, "<res protocolInfo=\"*:*:"); |
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55 _LIT8(KDlnaPn, "DLNA.ORG_PN=" ); |
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56 _LIT8(KColon, ":"); |
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57 _LIT8(KItemPInfoBegin, "<res protocolInfo=\""); |
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58 _LIT8(KItemPInfoMiddle, ">"); |
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59 _LIT8(KItemPInfoEnd, "</res>"); |
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60 _LIT8(KItemPInfoEnd2, "\"></res>"); |
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61 _LIT8(KItemEnd, "</item>"); |
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62 |
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63 _LIT8(KQuotationMark, "\" "); |
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64 _LIT8(KItemSize, "size=\""); |
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65 _LIT8(KItemDuration, "duration=\""); |
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66 _LIT8(KItemResolution, "resolution=\""); |
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67 |
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68 // Music metadata |
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69 _LIT8(KItemArtistBegin, "<upnp:artist>"); |
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70 _LIT8(KItemArtistEnd, "</upnp:artist>"); |
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71 _LIT8(KItemCreatorBegin, "<dc:creator>"); |
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72 _LIT8(KItemCreatorEnd, "</dc:creator>"); |
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73 _LIT8(KItemAlbumBegin, "<upnp:album>"); |
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74 _LIT8(KItemAlbumEnd, "</upnp:album>"); |
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75 _LIT8(KItemGenreBegin, "<upnp:genre>"); |
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76 _LIT8(KItemGenreEnd, "</upnp:genre>"); |
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77 _LIT8(KItemAlbumArtURIBegin, "<upnp:albumArtURI>"); |
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78 _LIT8(KItemAlbumArtURIEnd, "</upnp:albumArtURI>"); |
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79 |
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80 _LIT8(KDIDLBeginXmlEscaped, |
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81 "<DIDL-Lite " |
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82 "xmlns="urn:schemas-upnp-org:metadata-1-0/DIDL-Lite/" " |
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83 "xmlns:dc="http://purl.org/dc/elements/1.1/" " |
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84 "xmlns:upnp="urn:schemas-upnp-org:metadata-1-0/upnp/"" |
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85 ">"); |
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86 _LIT8(KDIDLEndXmlEscaped, "</DIDL-Lite>"); |
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87 |
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88 _LIT8( KAsterisk, "*" ); |
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89 |
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90 const TInt KBufLen = 256; |
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91 const TInt KDateStringLength = 10; |
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92 const TInt KDateTimeStringLength = 19; |
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93 const TInt KMaxDateStringLength = 30; |
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94 const TInt KSeparatorAscii = 58; |
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95 |
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96 |
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97 // ============================ MEMBER FUNCTIONS ============================ |
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98 |
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99 // -------------------------------------------------------------------------- |
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100 // CUpnpItemToXML::CUpnpItemToXML |
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101 // C++ default constructor can NOT contain any code, that |
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102 // might leave. |
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103 // -------------------------------------------------------------------------- |
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104 CUpnpItemToXML::CUpnpItemToXML( const CUpnpItem& aItem ) : |
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105 iItem( const_cast<CUpnpItem*>(&aItem) ) |
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106 { |
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107 } |
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108 |
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109 // -------------------------------------------------------------------------- |
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110 // CUpnpItemToXML::ConstructL |
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111 // Symbian 2nd phase constructor can leave. |
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112 // -------------------------------------------------------------------------- |
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113 void CUpnpItemToXML::ConstructL() |
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114 { |
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115 } |
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116 |
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117 |
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118 // -------------------------------------------------------------------------- |
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119 // CUpnpItemToXML::NewL |
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120 // Two-phased constructor. |
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121 // -------------------------------------------------------------------------- |
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122 CUpnpItemToXML* CUpnpItemToXML::NewL( const CUpnpItem& aItem ) |
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123 { |
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124 CUpnpItemToXML* self = CUpnpItemToXML::NewLC( aItem ); |
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125 |
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126 CleanupStack::Pop(); |
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127 |
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128 return self; |
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129 } |
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130 |
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131 // -------------------------------------------------------------------------- |
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132 // CUpnpItemToXML::NewLC |
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133 // Two-phased constructor. |
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134 // -------------------------------------------------------------------------- |
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135 CUpnpItemToXML* CUpnpItemToXML::NewLC( const CUpnpItem& aItem ) |
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136 { |
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137 CUpnpItemToXML* self = new( ELeave ) CUpnpItemToXML( aItem ); |
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138 |
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139 CleanupStack::PushL( self ); |
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140 self->ConstructL(); |
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141 |
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142 return self; |
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143 } |
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144 |
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145 // Destructor |
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146 CUpnpItemToXML::~CUpnpItemToXML() |
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147 { |
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148 } |
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149 |
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150 |
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151 // -------------------------------------------------------------------------- |
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152 // CUpnpItemToXML::AsXmlL |
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153 // Returns XML buffer |
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154 // (other items were commented in a header). |
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155 // -------------------------------------------------------------------------- |
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156 HBufC8* CUpnpItemToXML::AsXmlL( const TBool /*aIncludeChilds = ETrue */ ) |
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157 { |
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158 __LOG( "CUpnpItemToXML::AsXmlL" ); |
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159 |
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160 const TInt bufferSize = 64; // Buffer size, grows dynamicly in 64b steps |
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161 CBufFlat *pBuf = CBufFlat::NewL( bufferSize ); |
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162 CleanupStack::PushL( pBuf ); |
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163 |
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164 RBufWriteStream stream( *pBuf ); |
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165 CleanupClosePushL( stream ); |
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166 |
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167 // Then add the actual data |
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168 stream.WriteL( KItemHeading1() ); |
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169 // xml encoding added |
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170 HBufC8* encodeTemp = HBufC8::NewLC( iItem->Id().Length() ); |
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171 encodeTemp->Des().Copy( iItem->Id() ); |
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172 |
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173 HBufC8* tempPtr = NULL; |
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174 tempPtr = UpnpString::EncodeXmlStringL( encodeTemp ); |
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175 CleanupStack::PushL( tempPtr ); |
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176 |
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177 stream.WriteL( *tempPtr ); |
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178 CleanupStack::PopAndDestroy( tempPtr ); |
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179 tempPtr = NULL; |
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180 |
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181 CleanupStack::PopAndDestroy( encodeTemp ); |
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182 encodeTemp = NULL; |
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183 |
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184 stream.WriteL( KItemHeading2() ); |
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185 |
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186 stream.WriteL( iItem->ParentId() ); |
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187 if (iItem->Restricted()) |
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188 { |
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189 stream.WriteL( KItemHeading3True() ); |
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190 } |
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191 else |
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192 { |
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193 stream.WriteL( KItemHeading3False() ); |
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194 } |
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195 stream.WriteL( KItemTitleBegin() ); |
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196 |
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197 // xml encoding added |
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198 encodeTemp = HBufC8::NewLC( iItem->Title().Length() ); |
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199 encodeTemp->Des().Copy( iItem->Title() ); |
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200 |
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201 tempPtr = UpnpString::EncodeXmlStringL( encodeTemp ); |
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202 CleanupStack::PushL( tempPtr ); |
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203 |
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204 stream.WriteL( *tempPtr ); |
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205 CleanupStack::PopAndDestroy( tempPtr ); |
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206 tempPtr = NULL; |
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207 |
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208 CleanupStack::PopAndDestroy( encodeTemp ); |
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209 encodeTemp = NULL; |
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210 |
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211 stream.WriteL( KItemTitleEnd() ); |
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212 stream.WriteL( KItemClassBegin() ); |
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213 |
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214 stream.WriteL( iItem->ObjectClass() ); |
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215 stream.WriteL( KItemClassEnd() ); |
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216 |
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217 // Music meta data information |
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218 const TDesC8& artist = GetValueFromElement( KElementArtist ); |
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219 if ( artist != KNullDesC8 ) |
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220 |
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221 { |
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222 stream.WriteL( KItemArtistBegin ); |
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223 // xml encoding added |
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224 encodeTemp = HBufC8::NewLC( artist.Length() ); |
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225 encodeTemp->Des().Copy( artist ); |
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226 |
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227 tempPtr = UpnpString::EncodeXmlStringL( encodeTemp ); |
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228 CleanupStack::PushL( tempPtr ); |
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229 |
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230 stream.WriteL( *tempPtr ); |
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231 CleanupStack::PopAndDestroy( tempPtr ); |
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232 tempPtr = NULL; |
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233 |
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234 CleanupStack::PopAndDestroy( encodeTemp ); |
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235 encodeTemp = NULL; |
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236 |
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237 stream.WriteL( KItemArtistEnd ); |
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238 } |
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239 const TDesC8& creator = GetValueFromElement( KElementCreator ); |
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240 if ( creator != KNullDesC8 ) |
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241 { |
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242 stream.WriteL( KItemCreatorBegin ); |
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243 // xml encoding added |
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244 encodeTemp = HBufC8::NewLC( creator.Length() ); |
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245 encodeTemp->Des().Copy( creator ); |
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246 |
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247 tempPtr = UpnpString::EncodeXmlStringL( encodeTemp ); |
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248 CleanupStack::PushL( tempPtr ); |
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249 |
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250 stream.WriteL( *tempPtr ); |
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251 CleanupStack::PopAndDestroy( tempPtr ); |
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252 tempPtr = NULL; |
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253 |
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254 CleanupStack::PopAndDestroy( encodeTemp ); |
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255 encodeTemp = NULL; |
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256 |
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257 stream.WriteL( KItemCreatorEnd ); |
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258 } |
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259 const TDesC8& album = GetValueFromElement( KElementAlbum ); |
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260 if ( album != KNullDesC8 ) |
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261 { |
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262 stream.WriteL( KItemAlbumBegin ); |
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263 // xml encoding added |
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264 encodeTemp = HBufC8::NewLC( album.Length() ); |
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265 encodeTemp->Des().Copy( album ); |
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266 |
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267 tempPtr = UpnpString::EncodeXmlStringL( encodeTemp ); |
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268 CleanupStack::PushL( tempPtr ); |
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269 |
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270 stream.WriteL( *tempPtr ); |
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271 CleanupStack::PopAndDestroy( tempPtr ); |
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272 tempPtr = NULL; |
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273 |
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274 CleanupStack::PopAndDestroy( encodeTemp ); |
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275 encodeTemp = NULL; |
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276 //stream.WriteL( Album() ); |
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277 stream.WriteL( KItemAlbumEnd ); |
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278 } |
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279 const TDesC8& genre = GetValueFromElement( KElementGenre ); |
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280 if ( genre != KNullDesC8 ) |
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281 { |
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282 stream.WriteL( KItemGenreBegin ); |
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283 // xml encoding added |
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284 encodeTemp = HBufC8::NewLC( genre.Length() ); |
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285 encodeTemp->Des().Copy( genre ); |
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286 |
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287 tempPtr = UpnpString::EncodeXmlStringL( encodeTemp ); |
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288 CleanupStack::PushL( tempPtr ); |
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289 |
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290 stream.WriteL( *tempPtr ); |
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291 CleanupStack::PopAndDestroy( tempPtr ); |
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292 tempPtr = NULL; |
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293 |
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294 CleanupStack::PopAndDestroy( encodeTemp ); |
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295 encodeTemp = NULL; |
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296 //stream.WriteL( Genre() ); |
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297 stream.WriteL( KItemGenreEnd ); |
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298 } |
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299 const TDesC8& albumarturi = GetValueFromElement( KElementAlbumArtUri ); |
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300 if ( albumarturi != KNullDesC8 ) |
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301 { |
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302 stream.WriteL( KItemAlbumArtURIBegin ); |
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303 // xml encoding added |
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304 encodeTemp = HBufC8::NewLC( albumarturi.Length() ); |
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305 encodeTemp->Des().Copy( albumarturi ); |
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306 |
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307 tempPtr = UpnpString::EncodeXmlStringL( encodeTemp ); |
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308 CleanupStack::PushL( tempPtr ); |
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309 |
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310 stream.WriteL( *tempPtr ); |
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311 CleanupStack::PopAndDestroy( tempPtr ); |
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312 tempPtr = NULL; |
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313 |
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314 CleanupStack::PopAndDestroy( encodeTemp ); |
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315 encodeTemp = NULL; |
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316 stream.WriteL( KItemAlbumArtURIEnd ); |
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317 } |
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318 const TDesC8& date = GetValueFromElement( KElementDate ); |
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319 if ( date != KNullDesC8 ) |
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320 { |
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321 if( ValidateDateL( date ) ) |
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322 { |
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323 stream.WriteL( KItemDateBegin ); |
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324 // xml encoding added |
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325 encodeTemp = HBufC8::NewLC( date.Length() ); |
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326 encodeTemp->Des().Copy( date ); |
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327 |
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328 tempPtr = UpnpString::EncodeXmlStringL( encodeTemp ); |
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329 CleanupStack::PushL( tempPtr ); |
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330 |
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331 stream.WriteL( *tempPtr ); |
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332 CleanupStack::PopAndDestroy( tempPtr ); |
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333 tempPtr = NULL; |
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334 |
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335 CleanupStack::PopAndDestroy( encodeTemp ); |
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336 encodeTemp = NULL; |
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337 stream.WriteL( KItemDateEnd ); |
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338 } |
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339 } |
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340 |
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341 RUPnPElementsArray elArray; |
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342 CleanupClosePushL( elArray ); |
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343 UPnPItemUtility::GetResElements( *iItem, elArray ); |
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344 TInt count = elArray.Count(); |
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345 for( TInt i = 0; i < count; i++ ) |
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346 { |
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347 // Res-element starts |
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348 stream.WriteL( KItemPInfoBegin ); |
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349 |
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350 const CUpnpAttribute* attrproinfo = UPnPItemUtility |
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351 ::FindAttributeByName( *elArray[ i ], KAttributeProtocolInfo ); |
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352 if ( attrproinfo ) |
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353 { |
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354 stream.WriteL( attrproinfo->Value() ); |
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355 stream.WriteL( KCriteriaQuot ); |
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356 stream.WriteL( KCriteriaSpace ); |
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357 } |
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358 const CUpnpAttribute* attrsize = UPnPItemUtility |
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359 ::FindAttributeByName( *elArray[ i ], KAttributeSize ); |
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360 if ( attrsize ) |
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361 { |
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362 stream.WriteL( KAttributeSize ); |
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363 stream.WriteL( KCriteriaEQ ); |
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364 stream.WriteL( KCriteriaQuot ); |
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365 stream.WriteL( attrsize->Value() ); |
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366 stream.WriteL( KCriteriaQuot ); |
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367 stream.WriteL( KCriteriaSpace ); |
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368 } |
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369 const CUpnpAttribute* attrresolution = UPnPItemUtility |
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370 ::FindAttributeByName( *elArray[ i ], KAttributeResolution ); |
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371 if ( attrresolution ) |
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372 { |
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373 stream.WriteL( KAttributeResolution ); |
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374 stream.WriteL( KCriteriaEQ ); |
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375 stream.WriteL( KCriteriaQuot ); |
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376 stream.WriteL( attrresolution->Value() ); |
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377 stream.WriteL( KCriteriaQuot ); |
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378 stream.WriteL( KCriteriaSpace ); |
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379 } |
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380 const CUpnpAttribute* attrduration = UPnPItemUtility |
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381 ::FindAttributeByName( *elArray[ i ], KAttributeDuration ); |
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382 if ( attrduration ) |
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383 { |
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384 if( ValidateDurationL( attrduration->Value() ) ) |
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385 { |
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386 stream.WriteL( KAttributeDuration ); |
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387 stream.WriteL( KCriteriaEQ ); |
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388 stream.WriteL( KCriteriaQuot ); |
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389 stream.WriteL( attrduration->Value() ); |
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390 stream.WriteL( KCriteriaQuot ); |
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391 stream.WriteL( KCriteriaSpace ); |
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392 } |
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393 else |
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394 { |
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395 // Format of duration is not valid, do not include it |
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396 // Fixes ESLX-7AYFD6 |
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397 } |
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398 |
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399 } |
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400 const CUpnpAttribute* attrbitrate = UPnPItemUtility |
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401 ::FindAttributeByName( *elArray[ i ], KAttributeBitrate ); |
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402 if ( attrbitrate ) |
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403 { |
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404 stream.WriteL( KAttributeBitrate ); |
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405 stream.WriteL( KCriteriaEQ ); |
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406 stream.WriteL( KCriteriaQuot ); |
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407 stream.WriteL( attrbitrate->Value() ); |
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408 stream.WriteL( KCriteriaQuot ); |
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409 stream.WriteL( KCriteriaSpace ); |
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410 } |
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411 stream.WriteL( KItemPInfoMiddle ); |
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412 |
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413 // Get the content URI |
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414 encodeTemp = HBufC8::NewLC( elArray[ i ]->Value().Length() ); |
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415 encodeTemp->Des().Copy( elArray[ i ]->Value() ); |
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416 |
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417 // Encode the content URI |
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418 tempPtr = UpnpString::EncodeXmlStringL( encodeTemp ); |
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419 CleanupStack::PushL( tempPtr ); |
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420 |
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421 // Write the encoded content URI |
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422 stream.WriteL( *tempPtr ); |
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423 CleanupStack::PopAndDestroy( tempPtr ); |
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424 tempPtr = NULL; |
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425 |
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426 // Clean up |
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427 CleanupStack::PopAndDestroy( encodeTemp ); |
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428 encodeTemp = NULL; |
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429 |
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430 // Res-element ends |
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431 stream.WriteL( KItemPInfoEnd ); |
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432 } |
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433 |
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434 CleanupStack::PopAndDestroy( &elArray ); |
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435 |
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436 stream.WriteL( KItemEnd() ); |
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437 |
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438 CleanupStack::PopAndDestroy(); // stream.Close(); |
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439 |
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440 TPtrC8 start = pBuf->Ptr(0); |
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441 |
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442 // JLi: Do NOT decode retBuffer since it will be given to XML Parser |
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443 HBufC8* retBuffer = start.AllocL(); |
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444 CleanupStack::PopAndDestroy( pBuf ); |
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445 |
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446 return retBuffer; |
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447 } |
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448 |
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449 // -------------------------------------------------------------------------- |
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450 // CUpnpItemToXML::AsXmlEmptyL |
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451 // Returns object's XML description. This version of the method is used to |
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452 // create the XML with empty <res> tag. |
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453 // (other items were commented in a header). |
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454 // -------------------------------------------------------------------------- |
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455 HBufC8* CUpnpItemToXML::AsXmlEmptyL() |
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456 { |
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457 __LOG( "CUpnpItemToXML::AsXmlEmptyL" ); |
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458 |
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459 const TInt bufferSize = 64; // Buffer size, grows dynamicly in 64b steps |
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460 CBufFlat *pBuf = CBufFlat::NewL( bufferSize ); |
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461 CleanupStack::PushL( pBuf ); |
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462 |
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463 RBufWriteStream stream( *pBuf ); |
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464 CleanupClosePushL( stream ); |
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465 |
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466 // Then add the actual data |
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467 stream.WriteL( KItemHeading1() ); |
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468 stream.WriteL( iItem->Id() ); |
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469 stream.WriteL( KItemHeading2() ); |
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470 stream.WriteL( iItem->ParentId() ); |
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471 stream.WriteL( KItemHeading3False() ); |
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472 //stream.WriteL( KItemEndTag() ); |
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473 stream.WriteL( KItemTitleBegin() ); |
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474 // xml encode name |
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475 HBufC8* encodeTemp = HBufC8::NewLC( iItem->Title().Length() ); |
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476 encodeTemp->Des().Copy( iItem->Title() ); |
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477 HBufC8* tempPtr = UpnpString::EncodeXmlStringL( encodeTemp ); |
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478 CleanupStack::PushL( tempPtr ); |
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479 stream.WriteL( *tempPtr ); |
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480 CleanupStack::PopAndDestroy( tempPtr ); |
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481 CleanupStack::PopAndDestroy( encodeTemp ); |
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482 stream.WriteL( KItemTitleEnd() ); |
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483 stream.WriteL( KItemClassBegin() ); |
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484 |
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485 stream.WriteL( iItem->ObjectClass() ); |
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486 stream.WriteL( KItemClassEnd() ); |
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487 |
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488 // Music meta data information |
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489 const TDesC8& artist = GetValueFromElement( KElementArtist ); |
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490 if ( artist != KNullDesC8 ) |
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491 { |
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492 stream.WriteL( KItemArtistBegin ); |
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493 // xml encoding added |
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494 encodeTemp = HBufC8::NewLC( artist.Length() ); |
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495 encodeTemp->Des().Copy( artist ); |
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496 |
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497 tempPtr = UpnpString::EncodeXmlStringL( encodeTemp ); |
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498 CleanupStack::PushL( tempPtr ); |
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499 |
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500 stream.WriteL( *tempPtr ); |
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501 CleanupStack::PopAndDestroy( tempPtr ); |
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502 tempPtr = NULL; |
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503 |
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504 CleanupStack::PopAndDestroy( encodeTemp ); |
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505 encodeTemp = NULL; |
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506 |
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507 stream.WriteL( KItemArtistEnd ); |
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508 } |
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509 const TDesC8& creator = GetValueFromElement( KElementCreator ); |
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510 if ( creator != KNullDesC8 ) |
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511 { |
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512 stream.WriteL( KItemCreatorBegin ); |
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513 // xml encoding added |
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514 encodeTemp = HBufC8::NewLC( creator.Length() ); |
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515 encodeTemp->Des().Copy( creator ); |
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516 |
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517 tempPtr = UpnpString::EncodeXmlStringL( encodeTemp ); |
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518 CleanupStack::PushL( tempPtr ); |
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519 |
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520 stream.WriteL( *tempPtr ); |
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521 CleanupStack::PopAndDestroy( tempPtr ); |
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522 tempPtr = NULL; |
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523 |
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524 CleanupStack::PopAndDestroy( encodeTemp ); |
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525 encodeTemp = NULL; |
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526 |
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527 stream.WriteL( KItemCreatorEnd ); |
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528 } |
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529 const TDesC8& album = GetValueFromElement( KElementAlbum ); |
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530 if ( album != KNullDesC8 ) |
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531 { |
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532 stream.WriteL( KItemAlbumBegin ); |
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533 // xml encoding added |
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534 encodeTemp = HBufC8::NewLC( album.Length() ); |
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535 encodeTemp->Des().Copy( album ); |
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536 |
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537 tempPtr = UpnpString::EncodeXmlStringL( encodeTemp ); |
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538 CleanupStack::PushL( tempPtr ); |
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539 |
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540 stream.WriteL( *tempPtr ); |
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541 CleanupStack::PopAndDestroy( tempPtr ); |
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542 tempPtr = NULL; |
|
543 |
|
544 CleanupStack::PopAndDestroy( encodeTemp ); |
|
545 encodeTemp = NULL; |
|
546 //stream.WriteL( Album() ); |
|
547 stream.WriteL( KItemAlbumEnd ); |
|
548 } |
|
549 const TDesC8& genre = GetValueFromElement( KElementGenre ); |
|
550 if ( genre != KNullDesC8 ) |
|
551 { |
|
552 stream.WriteL( KItemGenreBegin ); |
|
553 // xml encoding added |
|
554 encodeTemp = HBufC8::NewLC( genre.Length() ); |
|
555 encodeTemp->Des().Copy( genre ); |
|
556 |
|
557 tempPtr = UpnpString::EncodeXmlStringL( encodeTemp ); |
|
558 CleanupStack::PushL( tempPtr ); |
|
559 |
|
560 stream.WriteL( *tempPtr ); |
|
561 CleanupStack::PopAndDestroy( tempPtr ); |
|
562 tempPtr = NULL; |
|
563 |
|
564 CleanupStack::PopAndDestroy( encodeTemp ); |
|
565 encodeTemp = NULL; |
|
566 //stream.WriteL( Genre() ); |
|
567 stream.WriteL( KItemGenreEnd ); |
|
568 } |
|
569 const TDesC8& albumarturi = GetValueFromElement( KElementAlbumArtUri ); |
|
570 if ( albumarturi != KNullDesC8 ) |
|
571 { |
|
572 stream.WriteL( KItemAlbumArtURIBegin ); |
|
573 // xml encoding added |
|
574 encodeTemp = HBufC8::NewLC( albumarturi.Length() ); |
|
575 encodeTemp->Des().Copy( albumarturi ); |
|
576 |
|
577 tempPtr = UpnpString::EncodeXmlStringL( encodeTemp ); |
|
578 CleanupStack::PushL( tempPtr ); |
|
579 |
|
580 stream.WriteL( *tempPtr ); |
|
581 CleanupStack::PopAndDestroy( tempPtr ); |
|
582 tempPtr = NULL; |
|
583 |
|
584 CleanupStack::PopAndDestroy( encodeTemp ); |
|
585 encodeTemp = NULL; |
|
586 stream.WriteL( KItemAlbumArtURIEnd ); |
|
587 } |
|
588 const TDesC8& date = GetValueFromElement( KElementDate ); |
|
589 if ( date != KNullDesC8 ) |
|
590 { |
|
591 if( ValidateDateL( date ) ) |
|
592 { |
|
593 stream.WriteL( KItemDateBegin ); |
|
594 // xml encoding added |
|
595 encodeTemp = HBufC8::NewLC( date.Length() ); |
|
596 encodeTemp->Des().Copy( date ); |
|
597 |
|
598 tempPtr = UpnpString::EncodeXmlStringL( encodeTemp ); |
|
599 CleanupStack::PushL( tempPtr ); |
|
600 |
|
601 stream.WriteL( *tempPtr ); |
|
602 CleanupStack::PopAndDestroy( tempPtr ); |
|
603 tempPtr = NULL; |
|
604 |
|
605 CleanupStack::PopAndDestroy( encodeTemp ); |
|
606 encodeTemp = NULL; |
|
607 stream.WriteL( KItemDateEnd ); |
|
608 } |
|
609 } |
|
610 |
|
611 // Create dlna compliant protocolinfo |
|
612 const RUPnPElementsArray& elms = iItem->GetElements(); |
|
613 CUpnpDlnaProtocolInfo* pInfo = NULL; |
|
614 HBufC8* duration = NULL; |
|
615 HBufC8* size = NULL; |
|
616 HBufC8* resolution = NULL; |
|
617 HBufC8* info = NULL; |
|
618 for( TInt i = 0; i < elms.Count(); i++) |
|
619 { |
|
620 if( elms[ i ]->Name() == KElementRes ) |
|
621 { |
|
622 const RUPnPAttributesArray& attr = elms[ i ]->GetAttributes(); |
|
623 for( TInt j = 0; j < attr.Count(); j++ ) |
|
624 { |
|
625 if( attr[ j ]->Name() == KAttributeProtocolInfo ) |
|
626 { |
|
627 pInfo = CUpnpDlnaProtocolInfo::NewL( attr[ j ]->Value() ); |
|
628 if ( pInfo ) |
|
629 { |
|
630 CleanupStack::PushL( pInfo ); |
|
631 info = HBufC8::NewLC( KBufLen ); |
|
632 } |
|
633 } |
|
634 if ( attr[ j ]->Name() == KAttributeDuration ) |
|
635 { |
|
636 duration= HBufC8::NewLC( attr[ j ]->Value().Length() ); |
|
637 duration->Des().Copy( attr[ j ]->Value() ); |
|
638 } |
|
639 if ( attr[ j ]->Name() == KAttributeSize ) |
|
640 { |
|
641 size = HBufC8::NewLC( attr[ j ]->Value().Length() ); |
|
642 size->Des().Copy( attr[ j ]->Value() ); |
|
643 } |
|
644 if ( attr[ j ]->Name() == KAttributeResolution ) |
|
645 { |
|
646 resolution = HBufC8::NewLC( attr[ j ]->Value().Length() ); |
|
647 resolution->Des().Copy( attr[ j ]->Value() ); |
|
648 } |
|
649 } |
|
650 i = elms.Count(); |
|
651 } |
|
652 } |
|
653 |
|
654 if( pInfo ) |
|
655 { |
|
656 info->Des().Copy( KItemPInfoEmptyDlna ); |
|
657 info->Des().Append( pInfo->ThirdField() ); // Third param ) |
|
658 info->Des().Append( KColon ); |
|
659 if( pInfo->PnParameter().Length() > 0 ) |
|
660 { |
|
661 info->Des().Append( KDlnaPn ); |
|
662 info->Des().Append( pInfo->PnParameter() ); // Fourth param ) |
|
663 } |
|
664 else |
|
665 { |
|
666 info->Des().Append( KAsterisk ); |
|
667 } |
|
668 if ( resolution ) |
|
669 { |
|
670 info->Des().Append( KQuotationMark ); |
|
671 info->Des().Append( KItemResolution ); |
|
672 info->Des().Append( *resolution ); |
|
673 CleanupStack::PopAndDestroy( resolution ); |
|
674 resolution = NULL; |
|
675 } |
|
676 if ( duration ) |
|
677 { |
|
678 info->Des().Append( KQuotationMark ); |
|
679 info->Des().Append( KItemDuration ); |
|
680 info->Des().Append( *duration ); |
|
681 CleanupStack::PopAndDestroy( duration ); |
|
682 duration = NULL; |
|
683 } |
|
684 if ( size ) |
|
685 { |
|
686 info->Des().Append( KQuotationMark ); |
|
687 info->Des().Append( KItemSize ); |
|
688 info->Des().Append( *size ); |
|
689 CleanupStack::PopAndDestroy( size ); |
|
690 size = NULL; |
|
691 } |
|
692 |
|
693 info->Des().Append( KItemPInfoEnd2 ); |
|
694 stream.WriteL( *info ); |
|
695 CleanupStack::PopAndDestroy( info ); |
|
696 CleanupStack::PopAndDestroy( pInfo ); |
|
697 |
|
698 } |
|
699 else |
|
700 { |
|
701 stream.WriteL( KItemPInfoEmpty ); |
|
702 } |
|
703 |
|
704 stream.WriteL( KItemEnd() ); |
|
705 |
|
706 CleanupStack::PopAndDestroy( &stream ); |
|
707 |
|
708 TPtrC8 start = pBuf->Ptr(0); |
|
709 |
|
710 HBufC8* tmpBuffer = start.AllocL(); |
|
711 |
|
712 CleanupStack::PopAndDestroy( pBuf ); |
|
713 |
|
714 return tmpBuffer; |
|
715 } |
|
716 |
|
717 // -------------------------------------------------------------------------- |
|
718 // CUpnpItemToXML::AsResultArgumentL |
|
719 // Returns object's XML description that is embedded inside a DIDL-LITE tag. |
|
720 // The <res> tag of xml description is empty.The returned value is xml encoded |
|
721 // can therefore be used for example when creating a CreateObject action. |
|
722 // (other items were commented in a header). |
|
723 // -------------------------------------------------------------------------- |
|
724 HBufC8* CUpnpItemToXML::AsResultArgumentL() |
|
725 { |
|
726 __LOG( "CUpnpItemToXML::AsResultArgumentL" ); |
|
727 |
|
728 HBufC8* asEmptyXml = this->AsXmlEmptyL(); |
|
729 CleanupStack::PushL( asEmptyXml ); |
|
730 |
|
731 // Xml must be encoded because eventually it will be embedded inside |
|
732 // another Xml tag (Elements tag in CreateObject action). |
|
733 HBufC8* encodedItem = UpnpString::EncodeXmlStringL( asEmptyXml ); |
|
734 CleanupStack::PopAndDestroy( asEmptyXml ); |
|
735 CleanupStack::PushL( encodedItem ); |
|
736 |
|
737 // Put item xml inside DIDL-LITE tag which must also be xml encoded. |
|
738 HBufC8* retval = CreateUnDecodedXmlL( *encodedItem ); |
|
739 CleanupStack::PopAndDestroy( encodedItem ); |
|
740 |
|
741 return retval; |
|
742 } |
|
743 |
|
744 // -------------------------------------------------------------------------- |
|
745 // CUpnpItemToXML::CreateUnDecodedXmlL |
|
746 // Fills common DIDL-Lite XML headers over the given XML fragment. |
|
747 // -------------------------------------------------------------------------- |
|
748 HBufC8* CUpnpItemToXML::CreateUnDecodedXmlL( const TDesC8& aData ) |
|
749 { |
|
750 __LOG( "CUpnpItemToXML::CreateUnDecodedXmlL" ); |
|
751 |
|
752 const TInt bufferSize = 128; // Buffer size |
|
753 CBufFlat *pBuf = CBufFlat::NewL( bufferSize ); |
|
754 CleanupStack::PushL( pBuf ); |
|
755 |
|
756 RBufWriteStream stream( *pBuf ); |
|
757 CleanupClosePushL( stream ); |
|
758 |
|
759 stream.WriteL( KDIDLBeginXmlEscaped() ); |
|
760 stream.WriteL( aData ); |
|
761 stream.WriteL( KDIDLEndXmlEscaped() ); |
|
762 |
|
763 CleanupStack::PopAndDestroy( &stream ); // stream.Close(); |
|
764 |
|
765 TPtrC8 start = pBuf->Ptr(0); |
|
766 |
|
767 HBufC8* tmpBuffer = start.AllocL(); |
|
768 |
|
769 CleanupStack::PopAndDestroy( pBuf ); |
|
770 return tmpBuffer; |
|
771 } |
|
772 |
|
773 // -------------------------------------------------------------------------- |
|
774 // CUpnpItemToXML::GetValueFromElement |
|
775 // Returns the value of an element. |
|
776 // -------------------------------------------------------------------------- |
|
777 const TDesC8& CUpnpItemToXML::GetValueFromElement( |
|
778 const TDesC8& aElementName ) |
|
779 { |
|
780 const RUPnPElementsArray& elms = iItem->GetElements(); |
|
781 TInt count = elms.Count(); |
|
782 for( TInt i = 0; i < count; i++) |
|
783 { |
|
784 if( elms[ i ]->Name() == aElementName ) |
|
785 { |
|
786 return elms[ i ]->Value(); |
|
787 } |
|
788 } |
|
789 return KNullDesC8; |
|
790 } |
|
791 |
|
792 // -------------------------------------------------------------------------- |
|
793 // CUpnpItemToXML::ValidateDateL |
|
794 // Validates dc:date |
|
795 // -------------------------------------------------------------------------- |
|
796 TBool CUpnpItemToXML::ValidateDateL( const TDesC8& aDate ) |
|
797 { |
|
798 TDateTime time; |
|
799 TBuf<KMaxDateStringLength> formatDateString; |
|
800 HBufC* dateString = HBufC::NewL( aDate.Length() ); |
|
801 dateString->Des().Copy( aDate ); |
|
802 TInt err = KErrNone; |
|
803 TInt year = 0; |
|
804 TInt month = 1; |
|
805 TInt day = 1; |
|
806 TInt hours = 0; |
|
807 TInt minutes = 0; |
|
808 TInt seconds = 0; |
|
809 |
|
810 if( aDate.Length() >= KDateStringLength ) |
|
811 { |
|
812 TLex lex( dateString->Des().Left( 4 ) ); //Year |
|
813 err = lex.Val( year ); |
|
814 if( err == KErrNone ) |
|
815 { |
|
816 lex.Assign( dateString->Des().Mid( 5,2 ) ); //Month |
|
817 TInt err = lex.Val( month ); |
|
818 if( err == KErrNone ) |
|
819 { |
|
820 lex.Assign( dateString->Des().Mid( 8,2 ) ); //Day |
|
821 TInt err = lex.Val(day); |
|
822 } |
|
823 } |
|
824 } |
|
825 |
|
826 if (err) |
|
827 { |
|
828 return EFalse; |
|
829 } |
|
830 |
|
831 if( aDate.Length() >= KDateTimeStringLength ) |
|
832 { |
|
833 TLex lex( dateString->Des().Mid( 11,2 ) ); //Hours |
|
834 err = lex.Val( hours ); |
|
835 if( err == KErrNone ) |
|
836 { |
|
837 lex.Assign( dateString->Des().Mid( 14,2 ) ); //Minutes |
|
838 TInt err = lex.Val( hours ); |
|
839 if( err == KErrNone ) |
|
840 { |
|
841 lex.Assign( dateString->Des().Mid( 17,2 ) ); //Seconds |
|
842 TInt err = lex.Val( hours ); |
|
843 } |
|
844 } |
|
845 } |
|
846 |
|
847 if (err) |
|
848 { |
|
849 return EFalse; |
|
850 } |
|
851 |
|
852 TBool retVal = EFalse; |
|
853 //DateTime month and day are 0-based |
|
854 if( time.Set( year, TMonth(month - 1), |
|
855 day - 1, hours, minutes, seconds,0 ) == KErrNone ) |
|
856 { |
|
857 retVal = ETrue; |
|
858 } |
|
859 |
|
860 delete dateString; |
|
861 |
|
862 return retVal; |
|
863 } |
|
864 |
|
865 // -------------------------------------------------------------------------- |
|
866 // CUpnpItemToXML::ValidateDurationL |
|
867 // Validates res@duration |
|
868 // -------------------------------------------------------------------------- |
|
869 TBool CUpnpItemToXML::ValidateDurationL( const TDesC8& aDuration ) |
|
870 { |
|
871 |
|
872 TBool retVal = ETrue; |
|
873 TLex8 input( aDuration ); |
|
874 |
|
875 // Hours |
|
876 ParseToDelimeter( input, TChar( KSeparatorAscii ) ); |
|
877 TInt hours = input.MarkedToken().Length(); |
|
878 if( !input.Eos() ) |
|
879 { |
|
880 input.SkipAndMark( 1 ); // Skip the delimeter |
|
881 } |
|
882 if( hours < 1 || hours > 5 ) // hours must be 1-5 digits long |
|
883 { |
|
884 retVal = EFalse; |
|
885 } |
|
886 else |
|
887 { |
|
888 // Minutes |
|
889 ParseToDelimeter( input, TChar( KSeparatorAscii ) ); |
|
890 TInt minutes = input.MarkedToken().Length(); |
|
891 if( !input.Eos() ) |
|
892 { |
|
893 input.SkipAndMark( 1 ); // Skip the delimeter |
|
894 } |
|
895 |
|
896 if( minutes != 2 ) // minutes must be 2 digits long |
|
897 { |
|
898 retVal = EFalse; |
|
899 } |
|
900 else |
|
901 { |
|
902 // Seconds |
|
903 ParseToDelimeter( input, TChar( KSeparatorAscii ) ); |
|
904 TInt seconds = input.MarkedToken().Length(); |
|
905 if( seconds < 2 || seconds > 6 ) // seconds must be 2-6 digits |
|
906 // long |
|
907 { |
|
908 retVal = EFalse; |
|
909 } |
|
910 |
|
911 if( !input.Eos() ) |
|
912 { |
|
913 // Something is wrong, we should be in the end |
|
914 retVal = EFalse; |
|
915 } |
|
916 } |
|
917 } |
|
918 |
|
919 return retVal; |
|
920 } |
|
921 |
|
922 // -------------------------------------------------------------------------- |
|
923 // CUpnpItemToXML::ParseToDelimeter |
|
924 // Parse to a given delimeter |
|
925 // -------------------------------------------------------------------------- |
|
926 void CUpnpItemToXML::ParseToDelimeter( TLex8& aLex, TChar aDelimeter ) |
|
927 { |
|
928 aLex.Mark(); |
|
929 |
|
930 TChar chr = 0; |
|
931 |
|
932 while( !aLex.Eos() ) |
|
933 { |
|
934 chr = aLex.Peek(); |
|
935 if( chr == aDelimeter ) |
|
936 { |
|
937 break; |
|
938 } |
|
939 |
|
940 aLex.Inc(); |
|
941 } |
|
942 } |
|
943 |
|
944 |
|
945 // End of File |