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1 /** @file |
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2 * Copyright (c) 2007 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: Implements the CUpnpActionContentHandler class |
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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 #include "upnpallowedvaluerangecontenthandler.h" |
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20 #include "upnpcontenthandlerscontroller.h" |
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21 #include "upnpignorecontenthandler.h" |
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22 #include "upnpstatevariable.h" |
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23 #include "upnpserviceliterals.h" |
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24 |
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25 //const TUint8 KReqiuredTagsBoundary( 3 ) |
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26 const TUint8 KReqiuredTagsBoundary( 0 ); |
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27 enum TFlagsPositions |
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28 { |
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29 EMinimumPos = 0, |
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30 EMaximumPos, |
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31 EStepPos //optional |
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32 }; |
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33 |
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34 // ----------------------------------------------------------------------------- |
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35 // CUpnpAllowedValueRangeContentHandler::NewL |
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36 // Two-phased constructor |
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37 // ----------------------------------------------------------------------------- |
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38 // |
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39 CUpnpAllowedValueRangeContentHandler* CUpnpAllowedValueRangeContentHandler::NewL( |
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40 CUpnpContentHandlersController& aController, |
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41 CUpnpStateVariable& aResultStateVariable ) |
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42 { |
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43 CUpnpAllowedValueRangeContentHandler* actionContentHandler = |
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44 CUpnpAllowedValueRangeContentHandler::NewLC( aController, aResultStateVariable ); |
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45 CleanupStack::Pop( actionContentHandler ); |
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46 return actionContentHandler; |
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47 } |
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48 |
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49 // ----------------------------------------------------------------------------- |
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50 // CUpnpAllowedValueRangeContentHandler::NewLC |
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51 // Two-phased constructor. Leaves teh object on the CleanupStack |
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52 // ----------------------------------------------------------------------------- |
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53 // |
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54 CUpnpAllowedValueRangeContentHandler* CUpnpAllowedValueRangeContentHandler::NewLC( |
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55 CUpnpContentHandlersController& aController, |
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56 CUpnpStateVariable& aResultStateVariable ) |
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57 { |
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58 CUpnpAllowedValueRangeContentHandler* actionContentHandler = |
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59 new (ELeave) CUpnpAllowedValueRangeContentHandler( aController, |
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60 aResultStateVariable ); |
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61 CleanupStack::PushL( actionContentHandler ); |
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62 return actionContentHandler; |
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63 } |
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64 |
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65 // ----------------------------------------------------------------------------- |
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66 // CUpnpAllowedValueRangeContentHandler::~CUpnpAllowedValueRangeContentHandler |
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67 // Destructor of CUpnpAllowedValueRangeContentHandler class |
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68 // ----------------------------------------------------------------------------- |
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69 // |
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70 CUpnpAllowedValueRangeContentHandler::~CUpnpAllowedValueRangeContentHandler() |
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71 { |
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72 } |
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73 |
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74 // ----------------------------------------------------------------------------- |
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75 // CUpnpAllowedValueRangeContentHandler::CUpnpAllowedValueRangeContentHandler |
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76 // Constructor |
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77 // ----------------------------------------------------------------------------- |
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78 // |
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79 CUpnpAllowedValueRangeContentHandler::CUpnpAllowedValueRangeContentHandler( |
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80 CUpnpContentHandlersController& aController, |
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81 CUpnpStateVariable& aResultStateVariable ) : |
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82 CUpnpContentHandler( aController ), |
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83 iResultStateVariable( aResultStateVariable ), |
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84 iCurrentState( EInitial ) |
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85 { |
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86 } |
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87 |
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88 // ----------------------------------------------------------------------------- |
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89 // CUpnpAllowedValueRangeContentHandler::OnStartElementL |
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90 // This method is a callback to indicate an element has been parsed. |
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91 // ----------------------------------------------------------------------------- |
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92 // |
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93 void CUpnpAllowedValueRangeContentHandler::OnStartElementL( |
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94 const RTagInfo& aElement, const RAttributeArray& /*aAttributes*/ ) |
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95 { |
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96 if ( iCurrentState == EInitial ) |
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97 { |
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98 const TDesC8& elementName( aElement.LocalName().DesC() ); |
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99 if ( elementName.Compare(KUpnpMinimum) == 0 ) |
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100 { |
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101 RepeatedTagCheckL( EMinimumPos, iFoundTags ); |
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102 iCurrentState = EMinimum; |
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103 } |
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104 else if ( elementName.Compare(KUpnpMaximum) == 0 ) |
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105 { |
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106 RepeatedTagCheckL( EMaximumPos, iFoundTags ); |
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107 iCurrentState = EMaximum; |
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108 } |
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109 else if ( elementName.Compare(KUpnpStep) == 0 ) |
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110 { |
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111 RepeatedTagCheckL( EStepPos, iFoundTags ); |
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112 iCurrentState = EStep; |
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113 } |
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114 else |
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115 { |
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116 iController.SetCurrentContentHandlerL( |
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117 CUpnpIgnoreContentHandler::NewL( iController ) |
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118 ); |
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119 } |
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120 } |
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121 else |
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122 { |
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123 iController.SetCurrentContentHandlerL( |
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124 CUpnpIgnoreContentHandler::NewL( iController ) ); |
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125 //User::Leave( KErrArgument ) //content="textOnly" not checked now |
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126 } |
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127 } |
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128 |
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129 // ----------------------------------------------------------------------------- |
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130 // CUpnpAllowedValueRangeContentHandler::OnEndElementL |
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131 // This method is a callback to indicate the end of the element has been reached. |
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132 // ----------------------------------------------------------------------------- |
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133 // |
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134 void CUpnpAllowedValueRangeContentHandler::OnEndElementL( |
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135 const RTagInfo& aElement ) |
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136 { |
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137 switch ( iCurrentState ) |
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138 { |
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139 case EInitial: |
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140 ASSERT(aElement.LocalName().DesC().Compare(KUpnpAllowedValueRange)==0); |
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141 if ( (iFoundTags.iFlags & KReqiuredTagsBoundary) |
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142 == KReqiuredTagsBoundary ) |
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143 { |
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144 iController.SetPreviousContentHandler(); |
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145 } |
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146 else |
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147 { |
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148 User::Leave( KErrArgument ); //required tag not found |
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149 } |
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150 break; |
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151 default: |
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152 iCurrentState = EInitial; |
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153 } |
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154 } |
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155 |
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156 // ----------------------------------------------------------------------------- |
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157 // CUpnpAllowedValueRangeContentHandler::OnContentL |
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158 // This method is a callback that sends the content of the element. |
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159 // aErrorCode must be KErrNone, and that aBytes should contains complete |
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160 // content (one chunk). |
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161 // ----------------------------------------------------------------------------- |
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162 // |
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163 void CUpnpAllowedValueRangeContentHandler::OnContentL( const TDesC8& aBytes ) |
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164 { |
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165 switch ( iCurrentState ) |
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166 { |
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167 case EMinimum: |
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168 iResultStateVariable.SetRangeMinL( aBytes ); |
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169 break; |
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170 case EMaximum: |
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171 iResultStateVariable.SetRangeMaxL( aBytes ); |
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172 break; |
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173 case EStep: |
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174 iResultStateVariable.SetRangeStepL( aBytes ); |
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175 break; |
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176 default: |
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177 //User::Leave( KErrArgument ) |
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178 break; |
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179 } |
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180 } |
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181 |
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182 // End of File |