Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_compound_class_8cpp-source.html
Week 12 contribution of SDK documentation_content. See release notes for details. Fixes Bug 1892, Bug 1522, Bug 1520, Bug 394, Bug 1319, Bug 344, Bug 1897
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<h1>examples/SysLibs/Streaming/CompoundClass/CompoundClass.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (c) 2000-2009 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">// Example to demonstrate the streaming of a compound object to</span>
<a name="l00015"></a>00015 <span class="comment">// a single stream.</span>
<a name="l00016"></a>00016 <span class="comment">//</span>
<a name="l00017"></a>00017
<a name="l00018"></a>00018
<a name="l00019"></a>00019 <span class="preprocessor">#include "CommonStreamStore.h"</span>
<a name="l00020"></a>00020 <span class="preprocessor">#include <s32file.h></span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="comment">// Constructs a CCompound object and externalizes</span>
<a name="l00023"></a>00023 <span class="comment">// it to a single stream.</span>
<a name="l00024"></a>00024 LOCAL_C <span class="keywordtype">void</span> doMakeAndExternalizeL(<span class="keyword">const</span> TDesC& aName);
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="comment">// Internalizes a CCompound object from</span>
<a name="l00027"></a>00027 <span class="comment">// the stream</span>
<a name="l00028"></a>00028 LOCAL_C <span class="keywordtype">void</span> doInternalizeL(<span class="keyword">const</span> TDesC& aName);
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="comment">// Displays content of a CCompound object</span>
<a name="l00031"></a>00031 <span class="keyword">class </span>CCompound;
<a name="l00032"></a>00032 LOCAL_C <span class="keywordtype">void</span> doShow(<span class="keyword">const</span> TDesC& aHeading,<span class="keyword">const</span> CCompound& theSimple);
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <span class="comment">// Defintion of classes used by the example</span>
<a name="l00035"></a>00035 <span class="keyword">class </span><a class="code" href="class_c_class_a.html">CClassA</a>
<a name="l00036"></a>00036 {
<a name="l00037"></a>00037 <span class="keyword">public</span> :
<a name="l00038"></a>00038 <span class="keywordtype">void</span> <a class="code" href="class_c_class_a.html#3fe53c63581894b8691d4471a68d3d33">ExternalizeL</a>(RWriteStream& aStream) <span class="keyword">const</span>;
<a name="l00039"></a>00039 <span class="keywordtype">void</span> <a class="code" href="class_c_class_a.html#458b7bf6d633154c6e332960bef061c0">InternalizeL</a>(RReadStream& aStream);
<a name="l00040"></a>00040 <span class="keyword">public</span> :
<a name="l00041"></a><a class="code" href="class_c_class_a.html#c004ed5d64a200fe70aa203661df479a">00041</a> TBuf<32> <a class="code" href="class_c_class_a.html#c004ed5d64a200fe70aa203661df479a">iBufferA</a>;
<a name="l00042"></a>00042 TInt <a class="code" href="class_c_class_a.html#5357711b30c2cdefe00fea056f903157">iXA</a>;
<a name="l00043"></a>00043 TUint <a class="code" href="class_c_class_a.html#537ce2632262bda0ce8863814a6521eb">iYA</a>;
<a name="l00044"></a>00044 };
<a name="l00045"></a>00045
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="keyword">class </span>CClassB
<a name="l00048"></a>00048 {
<a name="l00049"></a>00049 <span class="keyword">public</span> :
<a name="l00050"></a>00050 <span class="keywordtype">void</span> ExternalizeL(RWriteStream& aStream) <span class="keyword">const</span>;
<a name="l00051"></a>00051 <span class="keywordtype">void</span> InternalizeL(RReadStream& aStream);
<a name="l00052"></a>00052 <span class="keyword">public</span> :
<a name="l00053"></a>00053 TBuf<32> iBufferB;
<a name="l00054"></a>00054 };
<a name="l00055"></a>00055
<a name="l00056"></a>00056
<a name="l00057"></a>00057 <span class="keyword">class </span>TClassC
<a name="l00058"></a>00058 {
<a name="l00059"></a>00059 <span class="keyword">public</span> :
<a name="l00060"></a>00060 <span class="keywordtype">void</span> ExternalizeL(RWriteStream& aStream) <span class="keyword">const</span>;
<a name="l00061"></a>00061 <span class="keywordtype">void</span> InternalizeL(RReadStream& aStream);
<a name="l00062"></a>00062 <span class="keyword">public</span> :
<a name="l00063"></a>00063 TReal iZC;
<a name="l00064"></a>00064 };
<a name="l00065"></a>00065
<a name="l00066"></a>00066
<a name="l00067"></a>00067 <span class="keyword">class </span>CCompound : <span class="keyword">public</span> CBase
<a name="l00068"></a>00068 {
<a name="l00069"></a>00069 <span class="keyword">public</span> :
<a name="l00070"></a>00070 ~CCompound();
<a name="l00071"></a>00071 <span class="keyword">static</span> CCompound* NewLC();
<a name="l00072"></a>00072 <span class="keyword">static</span> CCompound* NewLC(CStreamStore& aStore,TStreamId anId);
<a name="l00073"></a>00073 <span class="keyword">static</span> CCompound* NewL(CStreamStore& aStore,TStreamId anId);
<a name="l00074"></a>00074 TStreamId StoreL(CStreamStore& store);
<a name="l00075"></a>00075 <span class="keywordtype">void</span> RestoreL(CStreamStore& aStore,TStreamId anId);
<a name="l00076"></a>00076 <span class="keywordtype">void</span> InternalizeL(RReadStream& aStream);
<a name="l00077"></a>00077 <span class="keywordtype">void</span> ExternalizeL(RWriteStream& aStream) <span class="keyword">const</span>;
<a name="l00078"></a>00078 <span class="keyword">private</span>:
<a name="l00079"></a>00079 <span class="keywordtype">void</span> ConstructL();
<a name="l00080"></a>00080 <span class="keywordtype">void</span> ConstructL(CStreamStore& aStore,TStreamId anId);
<a name="l00081"></a>00081 <span class="keyword">public</span> :
<a name="l00082"></a>00082 <a class="code" href="class_c_class_a.html">CClassA</a>* iCa;
<a name="l00083"></a>00083 CClassB* iCb;
<a name="l00084"></a>00084 TClassC iTc;
<a name="l00085"></a>00085 };
<a name="l00086"></a>00086
<a name="l00087"></a>00087 <span class="comment">// The file name, extension and path for the file store</span>
<a name="l00088"></a>00088 _LIT(KFullNameOfFileStore,<span class="stringliteral">"\\epoc32ex\\data\\stcompnd.dat"</span>);
<a name="l00089"></a>00089
<a name="l00090"></a>00090
<a name="l00091"></a>00091 <span class="comment">// Do the example</span>
<a name="l00092"></a>00092 LOCAL_C <span class="keywordtype">void</span> doExampleL()
<a name="l00093"></a>00093 {
<a name="l00094"></a>00094 <span class="comment">// make sure directory exists</span>
<a name="l00095"></a>00095 fsSession.MkDirAll(KFullNameOfFileStore);
<a name="l00096"></a>00096 doMakeAndExternalizeL(KFullNameOfFileStore);
<a name="l00097"></a>00097 doInternalizeL(KFullNameOfFileStore);
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099
<a name="l00100"></a>00100 LOCAL_C <span class="keywordtype">void</span> doMakeAndExternalizeL(<span class="keyword">const</span> TDesC& aName)
<a name="l00101"></a>00101 {
<a name="l00102"></a>00102 TParse filestorename;
<a name="l00103"></a>00103
<a name="l00104"></a>00104 fsSession.Parse(aName,filestorename);
<a name="l00105"></a>00105 <span class="comment">// construct file store object - the file to contain the</span>
<a name="l00106"></a>00106 <span class="comment">// the store replaces any existing file of the same name.</span>
<a name="l00107"></a>00107 CFileStore* store = CDirectFileStore::ReplaceLC(fsSession,filestorename.FullName(),EFileWrite);
<a name="l00108"></a>00108
<a name="l00109"></a>00109 <span class="comment">// Must say what kind of file store</span>
<a name="l00110"></a>00110 store->SetTypeL(KDirectFileStoreLayoutUid);
<a name="l00111"></a>00111
<a name="l00112"></a>00112 <span class="comment">// Construct an object of type CCompound </span>
<a name="l00113"></a>00113 <span class="comment">// and put some data into it.</span>
<a name="l00114"></a>00114 CCompound* thecompound = CCompound::NewLC();
<a name="l00115"></a>00115
<a name="l00116"></a>00116 _LIT(KTxtClassAText,<span class="stringliteral">"CClassA text"</span>);
<a name="l00117"></a>00117 _LIT(KTxtClassBText,<span class="stringliteral">"CClassB text"</span>);
<a name="l00118"></a>00118
<a name="l00119"></a>00119 thecompound->iCa->iBufferA = KTxtClassAText;
<a name="l00120"></a>00120 thecompound->iCa->iXA = -1;
<a name="l00121"></a>00121 thecompound->iCa->iYA = 2;
<a name="l00122"></a>00122 thecompound->iCb->iBufferB = KTxtClassBText;
<a name="l00123"></a>00123 thecompound->iTc.iZC = 3.456;
<a name="l00124"></a>00124
<a name="l00125"></a>00125 <span class="comment">// Show contents of the CCompound object (and its</span>
<a name="l00126"></a>00126 <span class="comment">// components)</span>
<a name="l00127"></a>00127 _LIT(KTxtInitialContent,<span class="stringliteral">"... Initial content of CCompound"</span>);
<a name="l00128"></a>00128 doShow(KTxtInitialContent,*thecompound);
<a name="l00129"></a>00129
<a name="l00130"></a>00130 <span class="comment">// Store the compound object to a single stream</span>
<a name="l00131"></a>00131 <span class="comment">// and save the stream id as the root id. </span>
<a name="l00132"></a>00132 TStreamId <span class="keywordtype">id</span> = thecompound->StoreL(*store);
<a name="l00133"></a>00133
<a name="l00134"></a>00134 <span class="comment">// Set the stream id as the root</span>
<a name="l00135"></a>00135 store->SetRootL(<span class="keywordtype">id</span>);
<a name="l00136"></a>00136
<a name="l00137"></a>00137 <span class="comment">// Commit changes to the store</span>
<a name="l00138"></a>00138 store->CommitL();
<a name="l00139"></a>00139
<a name="l00140"></a>00140 <span class="comment">// Destroy:</span>
<a name="l00141"></a>00141 <span class="comment">// 1. the CCompound object</span>
<a name="l00142"></a>00142 <span class="comment">// 2. the store object (this also closes </span>
<a name="l00143"></a>00143 <span class="comment">// the file containing the store)</span>
<a name="l00144"></a>00144 <span class="comment">// Remove both from the cleanup stack</span>
<a name="l00145"></a>00145 CleanupStack::PopAndDestroy(2);
<a name="l00146"></a>00146 }
<a name="l00147"></a>00147
<a name="l00148"></a>00148 LOCAL_C <span class="keywordtype">void</span> doInternalizeL(<span class="keyword">const</span> TDesC& aName)
<a name="l00149"></a>00149 {
<a name="l00150"></a>00150 TParse filestorename;
<a name="l00151"></a>00151
<a name="l00152"></a>00152 fsSession.Parse(aName,filestorename);
<a name="l00153"></a>00153 <span class="comment">// construct file store object - specifying the file</span>
<a name="l00154"></a>00154 <span class="comment">// containing the store.</span>
<a name="l00155"></a>00155 CFileStore* store = CDirectFileStore::OpenLC(fsSession,filestorename.FullName(),EFileRead);
<a name="l00156"></a>00156
<a name="l00157"></a>00157 <span class="comment">// Construct a CCompound object </span>
<a name="l00158"></a>00158 <span class="comment">// from the root stream created earlier.</span>
<a name="l00159"></a>00159 CCompound* thecompound = CCompound::NewL(*store,store->Root());
<a name="l00160"></a>00160
<a name="l00161"></a>00161 <span class="comment">// Show contents of the CCompound object (and its</span>
<a name="l00162"></a>00162 <span class="comment">// components)</span>
<a name="l00163"></a>00163 _LIT(KTxtRestoredContent,<span class="stringliteral">"... Restored CCompound content."</span>);
<a name="l00164"></a>00164 doShow(KTxtRestoredContent,*thecompound);
<a name="l00165"></a>00165
<a name="l00166"></a>00166 <span class="comment">// destroy the store object (this also closes the file</span>
<a name="l00167"></a>00167 <span class="comment">// containing the store) </span>
<a name="l00168"></a>00168 CleanupStack::PopAndDestroy();
<a name="l00169"></a>00169
<a name="l00170"></a>00170 <span class="comment">// Now destroy the CCompound object</span>
<a name="l00171"></a>00171 <span class="keyword">delete</span> thecompound;
<a name="l00172"></a>00172 }
<a name="l00173"></a>00173
<a name="l00174"></a>00174 _LIT(KTxtNewLine,<span class="stringliteral">"\n"</span>);
<a name="l00175"></a>00175 _LIT(KFormatType1,<span class="stringliteral">"\n%d"</span>);
<a name="l00176"></a>00176 _LIT(KFormatType2,<span class="stringliteral">"\n%S"</span>);
<a name="l00177"></a>00177 _LIT(KFormatType3,<span class="stringliteral">"\n%u"</span>);
<a name="l00178"></a>00178 _LIT(KFormatType4,<span class="stringliteral">"\n%f"</span>);
<a name="l00179"></a>00179
<a name="l00180"></a>00180 LOCAL_C <span class="keywordtype">void</span> doShow(<span class="keyword">const</span> TDesC& aHeading,<span class="keyword">const</span> CCompound& aCompound)
<a name="l00181"></a>00181 {
<a name="l00182"></a>00182 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KTxtNewLine);
<a name="l00183"></a>00183 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(aHeading);
<a name="l00184"></a>00184 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KFormatType2,&aCompound.iCa->iBufferA);
<a name="l00185"></a>00185 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KFormatType1,aCompound.iCa->iXA);
<a name="l00186"></a>00186 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KFormatType3,aCompound.iCa->iYA);
<a name="l00187"></a>00187 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KFormatType2,&aCompound.iCb->iBufferB);
<a name="l00188"></a>00188 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KFormatType4,aCompound.iTc.iZC);
<a name="l00189"></a>00189 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KTxtNewLine);
<a name="l00190"></a>00190 }
<a name="l00191"></a>00191
<a name="l00192"></a>00192 <span class="comment">//***************************************************************</span>
<a name="l00193"></a>00193 <span class="comment">//***************************************************************</span>
<a name="l00194"></a>00194
<a name="l00195"></a>00195 <span class="comment">// The CCompound destructor</span>
<a name="l00196"></a>00196 CCompound::~CCompound()
<a name="l00197"></a>00197 {
<a name="l00198"></a>00198 <span class="keyword">delete</span> iCa;
<a name="l00199"></a>00199 <span class="keyword">delete</span> iCb;
<a name="l00200"></a>00200 }
<a name="l00201"></a>00201
<a name="l00202"></a>00202 <span class="comment">// Construct a new plain CCompound object and</span>
<a name="l00203"></a>00203 <span class="comment">// place on the cleanup stack.</span>
<a name="l00204"></a>00204 CCompound* CCompound::NewLC()
<a name="l00205"></a>00205 {
<a name="l00206"></a>00206 CCompound* <span class="keyword">self</span>=<span class="keyword">new</span> (ELeave) CCompound;
<a name="l00207"></a>00207 CleanupStack::PushL(<span class="keyword">self</span>);
<a name="l00208"></a>00208 <span class="keyword">self</span>->ConstructL();
<a name="l00209"></a>00209 <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00210"></a>00210 }
<a name="l00211"></a>00211
<a name="l00212"></a>00212 <span class="comment">// Complete the construction of the </span>
<a name="l00213"></a>00213 <span class="comment">// plain CCompound object</span>
<a name="l00214"></a>00214 <span class="keywordtype">void</span> CCompound::ConstructL()
<a name="l00215"></a>00215 {
<a name="l00216"></a>00216 iCa = <span class="keyword">new</span> (ELeave) <a class="code" href="class_c_class_a.html">CClassA</a>;
<a name="l00217"></a>00217 iCb = <span class="keyword">new</span> (ELeave) CClassB;
<a name="l00218"></a>00218 }
<a name="l00219"></a>00219
<a name="l00220"></a>00220 <span class="comment">// Construct a new CCompound object from </span>
<a name="l00221"></a>00221 <span class="comment">// the input stream.</span>
<a name="l00222"></a>00222 CCompound* CCompound::NewL(CStreamStore& aStore,TStreamId anId)
<a name="l00223"></a>00223 {
<a name="l00224"></a>00224 CCompound* <span class="keyword">self</span>=CCompound::NewLC(aStore,anId);
<a name="l00225"></a>00225 CleanupStack::Pop();
<a name="l00226"></a>00226 <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00227"></a>00227 }
<a name="l00228"></a>00228
<a name="l00229"></a>00229 <span class="comment">// Construct a new CCompound object from </span>
<a name="l00230"></a>00230 <span class="comment">// the root stream of the store and </span>
<a name="l00231"></a>00231 <span class="comment">// place on the cleanup stack.</span>
<a name="l00232"></a>00232 CCompound* CCompound::NewLC(CStreamStore& aStore,TStreamId anId)
<a name="l00233"></a>00233 {
<a name="l00234"></a>00234 CCompound* <span class="keyword">self</span>=<span class="keyword">new</span> (ELeave) CCompound;
<a name="l00235"></a>00235 CleanupStack::PushL(<span class="keyword">self</span>);
<a name="l00236"></a>00236 <span class="keyword">self</span>->ConstructL(aStore,anId);
<a name="l00237"></a>00237 <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00238"></a>00238 }
<a name="l00239"></a>00239
<a name="l00240"></a>00240 <span class="comment">// Complete the construction of the </span>
<a name="l00241"></a>00241 <span class="comment">// CCompound object</span>
<a name="l00242"></a>00242 <span class="keywordtype">void</span> CCompound::ConstructL(CStreamStore& aStore,TStreamId anId)
<a name="l00243"></a>00243 {
<a name="l00244"></a>00244 iCa = <span class="keyword">new</span> (ELeave) <a class="code" href="class_c_class_a.html">CClassA</a>;
<a name="l00245"></a>00245 iCb = <span class="keyword">new</span> (ELeave) CClassB;
<a name="l00246"></a>00246 <a class="code" href="class_c_class_a.html#fd2b46e00082661f5a82f4ba1b5bb6d8">RestoreL</a>(aStore,anId);
<a name="l00247"></a>00247 }
<a name="l00248"></a>00248
<a name="l00249"></a>00249 <span class="keywordtype">void</span> CCompound::RestoreL(CStreamStore& aStore,TStreamId anId)
<a name="l00250"></a>00250 {
<a name="l00251"></a>00251 RStoreReadStream instream;
<a name="l00252"></a>00252 instream.OpenLC(aStore,anId);
<a name="l00253"></a>00253 <a class="code" href="class_c_class_a.html#458b7bf6d633154c6e332960bef061c0">InternalizeL</a>(instream);
<a name="l00254"></a>00254 <span class="comment">// Cleanup the stream object.</span>
<a name="l00255"></a>00255 CleanupStack::PopAndDestroy();
<a name="l00256"></a>00256 }
<a name="l00257"></a>00257
<a name="l00258"></a>00258 <span class="comment">// Read the components and data members </span>
<a name="l00259"></a>00259 <span class="comment">// of the CCompound object from the stream.</span>
<a name="l00260"></a>00260 <span class="keywordtype">void</span> CCompound::InternalizeL(RReadStream& aStream)
<a name="l00261"></a>00261 {
<a name="l00262"></a>00262 aStream >> *iCa;
<a name="l00263"></a>00263 aStream >> *iCb;
<a name="l00264"></a>00264 aStream >> iTc;
<a name="l00265"></a>00265 }
<a name="l00266"></a>00266
<a name="l00267"></a>00267 TStreamId CCompound::StoreL(CStreamStore& aStore)
<a name="l00268"></a>00268 {
<a name="l00269"></a>00269 RStoreWriteStream outstream;
<a name="l00270"></a>00270 TStreamId <span class="keywordtype">id</span> = outstream.CreateLC(aStore);
<a name="l00271"></a>00271 <span class="comment">// Stream out this CCompound object</span>
<a name="l00272"></a>00272 <a class="code" href="class_c_class_a.html#3fe53c63581894b8691d4471a68d3d33">ExternalizeL</a>(outstream);
<a name="l00273"></a>00273 <span class="comment">// Commit changes to the stream</span>
<a name="l00274"></a>00274 outstream.CommitL();
<a name="l00275"></a>00275 <span class="comment">// Cleanup the stream object.</span>
<a name="l00276"></a>00276 CleanupStack::PopAndDestroy();
<a name="l00277"></a>00277 <span class="keywordflow">return</span> id;
<a name="l00278"></a>00278 }
<a name="l00279"></a>00279 <span class="comment">// Write the components and data members </span>
<a name="l00280"></a>00280 <span class="comment">// of the CCompound object to the stream</span>
<a name="l00281"></a>00281 <span class="keywordtype">void</span> CCompound::ExternalizeL(RWriteStream& aStream)<span class="keyword"> const</span>
<a name="l00282"></a>00282 <span class="keyword"> </span>{
<a name="l00283"></a>00283 aStream << *iCa;
<a name="l00284"></a>00284 aStream << *iCb;
<a name="l00285"></a>00285 aStream << iTc;
<a name="l00286"></a>00286 }
<a name="l00287"></a>00287
<a name="l00288"></a>00288 <span class="comment">//***************************************************************</span>
<a name="l00289"></a>00289 <span class="comment">//***************************************************************</span>
<a name="l00290"></a>00290
<a name="l00291"></a>00291 <span class="comment">// Read the data members of the CClassA </span>
<a name="l00292"></a>00292 <span class="comment">// object from the stream.</span>
<a name="l00293"></a>00293 <span class="keywordtype">void</span> <a class="code" href="class_c_class_a.html#458b7bf6d633154c6e332960bef061c0">CClassA::InternalizeL</a>(RReadStream& aStream)
<a name="l00294"></a>00294 {
<a name="l00295"></a>00295 aStream >> <a class="code" href="class_c_class_a.html#c004ed5d64a200fe70aa203661df479a">iBufferA</a>;
<a name="l00296"></a>00296 <a class="code" href="class_c_class_a.html#5357711b30c2cdefe00fea056f903157">iXA</a> = aStream.ReadInt32L();
<a name="l00297"></a>00297 <a class="code" href="class_c_class_a.html#537ce2632262bda0ce8863814a6521eb">iYA</a> = aStream.ReadUint32L();
<a name="l00298"></a>00298 }
<a name="l00299"></a>00299 <span class="comment">// Write the data members of the CClassA </span>
<a name="l00300"></a>00300 <span class="comment">// object to the stream.</span>
<a name="l00301"></a>00301 <span class="keywordtype">void</span> <a class="code" href="class_c_class_a.html#3fe53c63581894b8691d4471a68d3d33">CClassA::ExternalizeL</a>(RWriteStream& aStream)<span class="keyword">const</span>
<a name="l00302"></a>00302 <span class="keyword"> </span>{
<a name="l00303"></a>00303 aStream << iBufferA;
<a name="l00304"></a>00304 aStream.WriteInt32L(<a class="code" href="class_c_class_a.html#5357711b30c2cdefe00fea056f903157">iXA</a>);
<a name="l00305"></a>00305 aStream.WriteUint32L(<a class="code" href="class_c_class_a.html#537ce2632262bda0ce8863814a6521eb">iYA</a>);
<a name="l00306"></a>00306 }
<a name="l00307"></a>00307
<a name="l00308"></a>00308 <span class="comment">//***************************************************************</span>
<a name="l00309"></a>00309 <span class="comment">//***************************************************************</span>
<a name="l00310"></a>00310
<a name="l00311"></a>00311 <span class="comment">// Read the data member(s) of the CClassB </span>
<a name="l00312"></a>00312 <span class="comment">// object from the stream.</span>
<a name="l00313"></a>00313 <span class="keywordtype">void</span> CClassB::InternalizeL(RReadStream& aStream)
<a name="l00314"></a>00314 {
<a name="l00315"></a>00315 aStream >> iBufferB;
<a name="l00316"></a>00316 }
<a name="l00317"></a>00317 <span class="comment">// Write the data member(s) of the CClassB </span>
<a name="l00318"></a>00318 <span class="comment">// object to the stream.</span>
<a name="l00319"></a>00319 <span class="keywordtype">void</span> CClassB::ExternalizeL(RWriteStream& aStream)<span class="keyword"> const</span>
<a name="l00320"></a>00320 <span class="keyword"> </span>{
<a name="l00321"></a>00321 aStream << iBufferB;
<a name="l00322"></a>00322 }
<a name="l00323"></a>00323
<a name="l00324"></a>00324 <span class="comment">//***************************************************************</span>
<a name="l00325"></a>00325 <span class="comment">//***************************************************************</span>
<a name="l00326"></a>00326
<a name="l00327"></a>00327 <span class="comment">// Write the data member(s) of the TClassC </span>
<a name="l00328"></a>00328 <span class="comment">// object to the stream.</span>
<a name="l00329"></a>00329 <span class="keywordtype">void</span> TClassC::ExternalizeL(RWriteStream& aStream)<span class="keyword"> const</span>
<a name="l00330"></a>00330 <span class="keyword"> </span>{
<a name="l00331"></a>00331 aStream.WriteReal64L(iZC);
<a name="l00332"></a>00332 }
<a name="l00333"></a>00333 <span class="comment">// Read the data member(s) of the TClassC </span>
<a name="l00334"></a>00334 <span class="comment">// object from the stream.</span>
<a name="l00335"></a>00335 <span class="keywordtype">void</span> TClassC::InternalizeL(RReadStream& aStream)
<a name="l00336"></a>00336 {
<a name="l00337"></a>00337 iZC = aStream.ReadReal64L();
<a name="l00338"></a>00338 }
<a name="l00339"></a>00339
<a name="l00340"></a>00340
<a name="l00341"></a>00341
<a name="l00342"></a>00342
<a name="l00343"></a>00343
<a name="l00344"></a>00344
</pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Thu Jan 21 10:33:01 2010 for TB10.1 Example Applications by
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