|
1 /** @file |
|
2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: Implements the CUpnpRootContentHandler class |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 #include "upnprootcontenthandler.h" |
|
20 #include "upnpdevice.h" |
|
21 #include "upnpcontenthandlerscontroller.h" |
|
22 #include "upnpdevicetagcontenthandler.h" |
|
23 #include "upnpdeviceliterals.h" |
|
24 |
|
25 const TUint8 KReqiuredTagsBoundary(1); //first bit //specVersion ignored now |
|
26 enum TFlagsPositions |
|
27 { |
|
28 EDevicePos = 0, |
|
29 //ESpecVersion, required but ignored for now... |
|
30 EURLBasePos //optional |
|
31 }; |
|
32 |
|
33 // ----------------------------------------------------------------------------- |
|
34 // CUpnpRootContentHandler::NewL |
|
35 // Two-phased constructor |
|
36 // ----------------------------------------------------------------------------- |
|
37 // |
|
38 CUpnpRootContentHandler* CUpnpRootContentHandler::NewL( |
|
39 CUpnpContentHandlersController& aController, CUpnpDevice& aResultDevice, |
|
40 TParseType aParseType ) |
|
41 { |
|
42 CUpnpRootContentHandler* rootContentHandler = |
|
43 CUpnpRootContentHandler::NewLC( aController, aResultDevice, aParseType ); |
|
44 CleanupStack::Pop( rootContentHandler ); |
|
45 return rootContentHandler; |
|
46 } |
|
47 |
|
48 // ----------------------------------------------------------------------------- |
|
49 // CUpnpRootContentHandler::NewLC |
|
50 // Two-phased constructor. Leaves teh object on the CleanupStack |
|
51 // ----------------------------------------------------------------------------- |
|
52 // |
|
53 CUpnpRootContentHandler* CUpnpRootContentHandler::NewLC( |
|
54 CUpnpContentHandlersController& aController, CUpnpDevice& aResultDevice, |
|
55 TParseType aParseType ) |
|
56 { |
|
57 CUpnpRootContentHandler* rootContentHandler = |
|
58 new (ELeave) CUpnpRootContentHandler( aController, aResultDevice, |
|
59 aParseType ); |
|
60 CleanupStack::PushL( rootContentHandler ); |
|
61 return rootContentHandler; |
|
62 } |
|
63 |
|
64 // ----------------------------------------------------------------------------- |
|
65 // CUpnpRootContentHandler::~CUpnpRootContentHandler |
|
66 // Destructor of CUpnpRootContentHandler class |
|
67 // ----------------------------------------------------------------------------- |
|
68 // |
|
69 CUpnpRootContentHandler::~CUpnpRootContentHandler() |
|
70 { |
|
71 } |
|
72 |
|
73 // ----------------------------------------------------------------------------- |
|
74 // CUpnpRootContentHandler::CUpnpRootContentHandler |
|
75 // Constructor |
|
76 // ----------------------------------------------------------------------------- |
|
77 // |
|
78 CUpnpRootContentHandler::CUpnpRootContentHandler( |
|
79 CUpnpContentHandlersController& aController, CUpnpDevice& aResultDevice, |
|
80 TParseType aParseType ) : |
|
81 CUpnpContentHandler( aController ), iResultDevice( aResultDevice ), |
|
82 iCurrentState( EInitial ), iParseType( aParseType ) |
|
83 { |
|
84 } |
|
85 |
|
86 // ----------------------------------------------------------------------------- |
|
87 // CUpnpRootContentHandler::OnStartElementL |
|
88 // This method is a callback to indicate an element has been parsed. |
|
89 // ----------------------------------------------------------------------------- |
|
90 // |
|
91 void CUpnpRootContentHandler::OnStartElementL( const RTagInfo& aElement, |
|
92 const RAttributeArray& /*aAttributes*/) |
|
93 { |
|
94 if ( EInitial == iCurrentState ) |
|
95 { |
|
96 if ( aElement.LocalName().DesC().Compare( KUpnpDevice )==0 ) |
|
97 { |
|
98 RepeatedTagCheckL( EDevicePos, iFoundTags ); |
|
99 iController.SetCurrentContentHandlerL( CUpnpDeviceTagContentHandler::NewL( |
|
100 iController, iResultDevice, iParseType ) ); |
|
101 } |
|
102 else |
|
103 if ( aElement.LocalName().DesC().Compare( KUpnpURLBase )==0 ) |
|
104 { |
|
105 //RepeatedTagCheckL( EURLBasePos, iFoundTags ) NIY |
|
106 iCurrentState = EURLBase; |
|
107 } |
|
108 else |
|
109 { |
|
110 SetIgnoreHandlerL(); |
|
111 } |
|
112 } |
|
113 else |
|
114 { |
|
115 ASSERT( EURLBase == iCurrentState ); |
|
116 //User::Leave(KErrArgument) //content="textonly" |
|
117 SetIgnoreHandlerL(); |
|
118 } |
|
119 } |
|
120 |
|
121 // ----------------------------------------------------------------------------- |
|
122 // CUpnpRootContentHandler::OnEndElementL |
|
123 // This method is a callback to indicate the end of the element has been reached. |
|
124 // ----------------------------------------------------------------------------- |
|
125 // |
|
126 void CUpnpRootContentHandler::OnEndElementL( const RTagInfo& aElement ) |
|
127 { |
|
128 switch ( iCurrentState ) |
|
129 { |
|
130 case EInitial: |
|
131 ASSERT( aElement.LocalName().DesC().Compare( KUpnpDeviceRoot ) == 0 ); |
|
132 if ( (iFoundTags.iFlags & KReqiuredTagsBoundary) |
|
133 == KReqiuredTagsBoundary ) |
|
134 { |
|
135 iController.SetPreviousContentHandler(); |
|
136 } |
|
137 else |
|
138 { |
|
139 User::Leave( KErrArgument ); //required tag not found |
|
140 } |
|
141 break; |
|
142 default: |
|
143 iCurrentState = EInitial; |
|
144 } |
|
145 } |
|
146 |
|
147 // ----------------------------------------------------------------------------- |
|
148 // CUpnpRootContentHandler::OnContentL |
|
149 // This method is a callback that sends the content of the element. |
|
150 // aErrorCode must be KErrNone, and that aBytes should contains complete |
|
151 // content (one chunk). |
|
152 // ----------------------------------------------------------------------------- |
|
153 // |
|
154 void CUpnpRootContentHandler::OnContentL( const TDesC8& aBytes ) |
|
155 { |
|
156 switch ( iCurrentState ) |
|
157 { |
|
158 case EURLBase: |
|
159 iResultDevice.SetUrlBaseL( aBytes ); |
|
160 break; |
|
161 default: |
|
162 //User::Leave(KErrArgument) |
|
163 break; |
|
164 } |
|
165 } |
|
166 |
|
167 // End of File |