Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_original_client_8cpp_source.html
author Dominic Pinkman <Dominic.Pinkman@Nokia.com>
Tue, 30 Mar 2010 16:16:55 +0100
changeset 6 43e37759235e
permissions -rw-r--r--
Week 12 contribution of example code"

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<h1>examples/Basics/ExtensionPattern/src_originalclient/OriginalClient.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (c) 1997-2009 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 &quot;Eclipse Public License v1.0&quot;</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 &quot;http://www.eclipse.org/legal/epl-v10.html&quot;.</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">// Implements a simple console application that uses functions supplied by OriginalDll</span>
<a name="l00015"></a>00015 <span class="comment">// Should work without rebuild for both versions of OriginalDll &amp; ExtensionDll</span>
<a name="l00016"></a>00016 <span class="comment">//</span>
<a name="l00017"></a>00017 
<a name="l00018"></a>00018 <span class="preprocessor">#include &lt;e32base.h&gt;</span>
<a name="l00019"></a>00019 <span class="preprocessor">#include &lt;e32cons.h&gt;</span>
<a name="l00020"></a>00020 <span class="preprocessor">#include &lt;NumberStore.h&gt;</span>
<a name="l00021"></a>00021 
<a name="l00022"></a>00022 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KHello,<span class="stringliteral">&quot;Hello World!\r\n&quot;</span>); 
<a name="l00023"></a>00023 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtEPOC32EX,<span class="stringliteral">&quot;EPOC32EX&quot;</span>);
<a name="l00024"></a>00024 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtExampleCode,<span class="stringliteral">&quot;Symbian platform Example Code&quot;</span>);
<a name="l00025"></a>00025 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KFormatFailed,<span class="stringliteral">&quot;failed: leave code=%d&quot;</span>);
<a name="l00026"></a>00026 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtOK,<span class="stringliteral">&quot;ok&quot;</span>);
<a name="l00027"></a>00027 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtPressAnyKey,<span class="stringliteral">&quot; [press any key]&quot;</span>);
<a name="l00028"></a>00028 
<a name="l00029"></a>00029 LOCAL_D CConsoleBase* console;
<a name="l00030"></a>00030 LOCAL_C <span class="keywordtype">void</span> callExampleL(); 
<a name="l00031"></a>00031 LOCAL_C <span class="keywordtype">void</span> doExampleL(); 
<a name="l00032"></a>00032 
<a name="l00033"></a>00033 GLDEF_C TInt E32Main()
<a name="l00034"></a>00034     {
<a name="l00035"></a>00035         __UHEAP_MARK;
<a name="l00036"></a>00036         CTrapCleanup* cleanup=CTrapCleanup::New(); 
<a name="l00037"></a>00037         TRAPD(error,callExampleL()); 
<a name="l00038"></a>00038         __ASSERT_ALWAYS(!error,User::Panic(KTxtEPOC32EX,error));
<a name="l00039"></a>00039         <span class="keyword">delete</span> cleanup; 
<a name="l00040"></a>00040         __UHEAP_MARKEND;
<a name="l00041"></a>00041         <span class="keywordflow">return</span> 0; 
<a name="l00042"></a>00042     }
<a name="l00043"></a>00043 
<a name="l00044"></a>00044 LOCAL_C <span class="keywordtype">void</span> callExampleL()
<a name="l00045"></a>00045     {
<a name="l00046"></a>00046         console=Console::NewL(KTxtExampleCode,TSize(KConsFullScreen,KConsFullScreen));
<a name="l00047"></a>00047         CleanupStack::PushL(console);
<a name="l00048"></a>00048         TRAPD(error,doExampleL()); 
<a name="l00049"></a>00049         <span class="keywordflow">if</span> (error)
<a name="l00050"></a>00050                 console-&gt;Printf(KFormatFailed, error);
<a name="l00051"></a>00051         <span class="keywordflow">else</span>
<a name="l00052"></a>00052                 console-&gt;Printf(KTxtOK);
<a name="l00053"></a>00053         console-&gt;Printf(KTxtPressAnyKey);
<a name="l00054"></a>00054         console-&gt;Getch(); 
<a name="l00055"></a>00055         CleanupStack::PopAndDestroy();
<a name="l00056"></a>00056     }
<a name="l00057"></a>00057     
<a name="l00058"></a>00058 LOCAL_C <span class="keywordtype">void</span> doExampleL()
<a name="l00059"></a>00059     {
<a name="l00060"></a>00060         console-&gt;Printf(KHello);
<a name="l00061"></a>00061         TInt num1=3;
<a name="l00062"></a>00062         TInt num2=7;
<a name="l00063"></a>00063 
<a name="l00064"></a>00064         <span class="comment">//Create &amp; initialise the number store using original functionality</span>
<a name="l00065"></a>00065         <a class="code" href="class_c_number_store.html">CNumberStore</a>* numberstore=<span class="keyword">new</span> (ELeave) <a class="code" href="class_c_number_store.html">CNumberStore</a>();
<a name="l00066"></a>00066         numberstore-&gt;SetNumber1(num1);
<a name="l00067"></a>00067         numberstore-&gt;SetNumber2(num2);
<a name="l00068"></a>00068         console-&gt;Printf(_L(<span class="stringliteral">&quot;Created CNumberStore with values %d &amp; %d\n&quot;</span>),num1,num2);
<a name="l00069"></a>00069         num1=numberstore-&gt;Number1();
<a name="l00070"></a>00070         num2=numberstore-&gt;Number2();
<a name="l00071"></a>00071         console-&gt;Printf(_L(<span class="stringliteral">&quot;CNumberStore has values %d &amp; %d\n&quot;</span>),num1,num2);
<a name="l00072"></a>00072 
<a name="l00073"></a>00073         TInt total=-1;
<a name="l00074"></a>00074         TInt product=-1;
<a name="l00075"></a>00075         
<a name="l00076"></a>00076         <span class="comment">//Attempt to use extension functionality</span>
<a name="l00077"></a>00077         
<a name="l00078"></a>00078         <span class="comment">//The following line will fail to link, as it requires the extension dll</span>
<a name="l00079"></a>00079         <span class="comment">//total=numberstore-&gt;AddNumbers();</span>
<a name="l00080"></a>00080 
<a name="l00081"></a>00081         <span class="comment">//The following line will fail to compile, as it attempts to call a private function</span>
<a name="l00082"></a>00082         <span class="comment">//product=numberstore-&gt;DoMultiplyNumbers();</span>
<a name="l00083"></a>00083 
<a name="l00084"></a>00084         <span class="comment">//The following line will fail to link, as it requires the extension dll</span>
<a name="l00085"></a>00085         <span class="comment">//product=numberstore-&gt;MultiplyNumbers();</span>
<a name="l00086"></a>00086 
<a name="l00087"></a>00087         console-&gt;Printf(_L(<span class="stringliteral">&quot;CNumberStore extension gives total %d\n&quot;</span>),total);
<a name="l00088"></a>00088         console-&gt;Printf(_L(<span class="stringliteral">&quot;CNumberStore extension gives product with magic multiplyer %d\n&quot;</span>),product);
<a name="l00089"></a>00089 
<a name="l00090"></a>00090         <span class="keyword">delete</span> numberstore;
<a name="l00091"></a>00091         }
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