Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_b_i_o_parser_8cpp_source.html
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<h1>examples/Messaging/BIOMessageMgr/Src/BIOParser.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).</span>
<a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span>
<a name="l00003"></a>00003 <span class="comment">// This component and the accompanying materials are made available</span>
<a name="l00004"></a>00004 <span class="comment">// under the terms of "Eclipse Public License v1.0"</span>
<a name="l00005"></a>00005 <span class="comment">// which accompanies this distribution, and is available</span>
<a name="l00006"></a>00006 <span class="comment">// at the URL "http://www.eclipse.org/legal/epl-v10.html".</span>
<a name="l00007"></a>00007 <span class="comment">//</span>
<a name="l00008"></a>00008 <span class="comment">// Initial Contributors:</span>
<a name="l00009"></a>00009 <span class="comment">// Nokia Corporation - initial contribution.</span>
<a name="l00010"></a>00010 <span class="comment">//</span>
<a name="l00011"></a>00011 <span class="comment">// Contributors:</span>
<a name="l00012"></a>00012 <span class="comment">//</span>
<a name="l00013"></a>00013 <span class="comment">// Description:</span>
<a name="l00014"></a>00014 <span class="comment">//</span>
<a name="l00015"></a>00015
<a name="l00016"></a>00016 <span class="preprocessor">#include "BIOParser.h"</span>
<a name="l00017"></a>00017
<a name="l00018"></a>00018
<a name="l00019"></a>00019 CBioParser::CBioParser(CMsvEntry* aEntry)
<a name="l00020"></a>00020 :iMsvEntry(aEntry)
<a name="l00021"></a>00021 {
<a name="l00022"></a>00022
<a name="l00023"></a>00023 }
<a name="l00024"></a>00024
<a name="l00025"></a>00025 CBioParser::~CBioParser()
<a name="l00026"></a>00026 {
<a name="l00027"></a>00027 <span class="keyword">delete</span> iMessageBody;
<a name="l00028"></a>00028 <span class="keywordflow">if</span>(iRegisteredParserDll)
<a name="l00029"></a>00029 {
<a name="l00030"></a>00030 <span class="keyword">delete</span> iRegisteredParserDll;
<a name="l00031"></a>00031 iRegisteredParserDll = NULL;
<a name="l00032"></a>00032 }
<a name="l00033"></a>00033 iFs.Close( );
<a name="l00034"></a>00034 <span class="keyword">delete</span> iBioDb;
<a name="l00035"></a>00035 }
<a name="l00036"></a>00036
<a name="l00037"></a>00037 <a class="code" href="class_c_bio_parser.html">CBioParser</a>* CBioParser::NewL(CMsvEntry* aEntry)
<a name="l00038"></a>00038 {
<a name="l00039"></a>00039 <a class="code" href="class_c_bio_parser.html">CBioParser</a>* <span class="keyword">self</span>= <span class="keyword">new</span> (ELeave) <a class="code" href="class_c_bio_parser.html">CBioParser</a>(aEntry);
<a name="l00040"></a>00040 CleanupStack::PushL(<span class="keyword">self</span>);
<a name="l00041"></a>00041 <span class="keyword">self</span>->ConstructL();
<a name="l00042"></a>00042 CleanupStack::Pop();
<a name="l00043"></a>00043 <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00044"></a>00044 }
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="keywordtype">void</span> CBioParser::ConstructL()
<a name="l00047"></a>00047 {
<a name="l00048"></a>00048 iFs.Connect();
<a name="l00049"></a>00049 iFs.SetSessionPath(KBifDir);
<a name="l00050"></a>00050 iBioDb = CBIODatabase::NewL(iFs);
<a name="l00051"></a>00051
<a name="l00052"></a>00052 }
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <a class="code" href="class_c_b_i_o_example_parser.html">CBIOExampleParser</a>* CBioParser::CreateParserL()
<a name="l00055"></a>00055 {
<a name="l00056"></a>00056 TUid messageUid;
<a name="l00057"></a>00057 messageUid.iUid = iMsvEntry->Entry().iBioType;
<a name="l00058"></a>00058
<a name="l00059"></a>00059 TFileName parserDllName(iBioDb->GetBioParserNameL(messageUid));
<a name="l00060"></a>00060
<a name="l00061"></a>00061 <span class="keywordflow">if</span> (iRegisteredParserDll)
<a name="l00062"></a>00062 {
<a name="l00063"></a>00063 <span class="keyword">delete</span> iRegisteredParserDll;
<a name="l00064"></a>00064 iRegisteredParserDll = NULL;
<a name="l00065"></a>00065 }
<a name="l00066"></a>00066
<a name="l00067"></a>00067 iRegisteredParserDll = CRegisteredParserDll::NewL(parserDllName);
<a name="l00068"></a>00068
<a name="l00069"></a>00069 RLibrary parserlibrary;
<a name="l00070"></a>00070 User::LeaveIfError(iRegisteredParserDll->GetLibrary(iFs, parserlibrary));
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="keyword">typedef</span> <a class="code" href="class_c_b_i_o_example_parser.html">CBIOExampleParser</a>* (*NewParserL)(CRegisteredParserDll& aRegisteredParserDll, CMsvEntry& aEntry, RFs& aFs);
<a name="l00073"></a>00073
<a name="l00074"></a>00074 TInt entrypointordinalnumber=1;
<a name="l00075"></a>00075 TLibraryFunction libFunc=parserlibrary.Lookup(entrypointordinalnumber);
<a name="l00076"></a>00076 <span class="keywordflow">if</span> (libFunc==NULL)
<a name="l00077"></a>00077 User::Leave(KErrBadLibraryEntryPoint);
<a name="l00078"></a>00078 NewParserL pFunc=(NewParserL) libFunc;
<a name="l00079"></a>00079 TInt refcount=iRegisteredParserDll->DllRefCount();
<a name="l00080"></a>00080 <a class="code" href="class_c_b_i_o_example_parser.html">CBIOExampleParser</a>* parser=NULL;
<a name="l00081"></a>00081 TRAPD(ret,parser=((*pFunc)(*iRegisteredParserDll, *iMsvEntry, iFs)));
<a name="l00082"></a>00082 <span class="keywordflow">if</span> ((ret!=KErrNone) && (iRegisteredParserDll->DllRefCount()==refcount))
<a name="l00083"></a>00083 iRegisteredParserDll->ReleaseLibrary();
<a name="l00084"></a>00084
<a name="l00085"></a>00085 User::LeaveIfError(ret);
<a name="l00086"></a>00086
<a name="l00087"></a>00087 <span class="keywordflow">return</span> parser;
<a name="l00088"></a>00088 }
<a name="l00089"></a>00089
<a name="l00090"></a>00090 <span class="keywordtype">void</span> CBioParser::ParserL()
<a name="l00091"></a>00091 {
<a name="l00092"></a>00092 ExtractMessageBodyL();
<a name="l00093"></a>00093
<a name="l00094"></a>00094 CMsvOperationWait* wait = CMsvOperationWait::NewLC();
<a name="l00095"></a>00095 wait->iStatus = KRequestPending;
<a name="l00096"></a>00096 wait->Start();
<a name="l00097"></a>00097
<a name="l00098"></a>00098 <a class="code" href="class_c_b_i_o_example_parser.html">CBIOExampleParser</a>* parser = CreateParserL();
<a name="l00099"></a>00099 <span class="comment">// Parsing the message</span>
<a name="l00100"></a>00100 parser-><a class="code" href="class_c_b_i_o_example_parser.html#af742d269bf8fc761e878507b46596848">ParseL</a>(wait->iStatus, *iMessageBody);
<a name="l00101"></a>00101 parser->Cancel();
<a name="l00102"></a>00102 <span class="keyword">delete</span> parser;
<a name="l00103"></a>00103
<a name="l00104"></a>00104
<a name="l00105"></a>00105 CleanupStack::PopAndDestroy(); <span class="comment">// wait</span>
<a name="l00106"></a>00106 }
<a name="l00107"></a>00107
<a name="l00111"></a>00111 <span class="keywordtype">void</span> CBioParser::ExtractMessageBodyL()
<a name="l00112"></a>00112 {
<a name="l00113"></a>00113
<a name="l00114"></a>00114 CParaFormatLayer* paraFormatLayer = CParaFormatLayer::NewL();
<a name="l00115"></a>00115 CleanupStack::PushL(paraFormatLayer);
<a name="l00116"></a>00116 CCharFormatLayer* charFormatLayer = CCharFormatLayer::NewL();
<a name="l00117"></a>00117 CleanupStack::PushL(charFormatLayer);
<a name="l00118"></a>00118 CRichText* richText = CRichText::NewL(paraFormatLayer, charFormatLayer);
<a name="l00119"></a>00119 CleanupStack::PushL(richText);
<a name="l00120"></a>00120
<a name="l00121"></a>00121 CMsvStore* store = iMsvEntry->ReadStoreL();
<a name="l00122"></a>00122 CleanupStack::PushL(store);
<a name="l00123"></a>00123
<a name="l00124"></a>00124 <span class="keywordflow">if</span> (!store->HasBodyTextL())
<a name="l00125"></a>00125 User::Leave(KErrNotFound);
<a name="l00126"></a>00126
<a name="l00127"></a>00127 store->RestoreBodyTextL(*richText);
<a name="l00128"></a>00128
<a name="l00129"></a>00129 TInt messageLength = richText->DocumentLength();
<a name="l00130"></a>00130 <span class="keywordflow">if</span> (iMessageBody)
<a name="l00131"></a>00131 {
<a name="l00132"></a>00132 <span class="keyword">delete</span> iMessageBody;
<a name="l00133"></a>00133 iMessageBody = NULL;
<a name="l00134"></a>00134 }
<a name="l00135"></a>00135 iMessageBody = HBufC::NewL(messageLength);
<a name="l00136"></a>00136
<a name="l00137"></a>00137 TPtr messDes = iMessageBody->Des();
<a name="l00138"></a>00138 TInt length = messDes.Length();
<a name="l00139"></a>00139 <span class="keywordflow">while</span> (length < messageLength)
<a name="l00140"></a>00140 {
<a name="l00141"></a>00141 TPtrC desc = richText->Read(length, messageLength-length);
<a name="l00142"></a>00142 messDes.Append(desc);
<a name="l00143"></a>00143 length+=desc.Length();
<a name="l00144"></a>00144 }
<a name="l00145"></a>00145 CleanupStack::PopAndDestroy(4, paraFormatLayer); <span class="comment">// store, text, charFormatLayer, paraFormatLayer</span>
<a name="l00146"></a>00146 }
<a name="l00147"></a>00147
<a name="l00148"></a>00148
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