Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_original_client_8cpp_source.html
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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 "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">// 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 & 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 <e32base.h></span>
<a name="l00019"></a>00019 <span class="preprocessor">#include <e32cons.h></span>
<a name="l00020"></a>00020 <span class="preprocessor">#include <NumberStore.h></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">"Hello World!\r\n"</span>);
<a name="l00023"></a>00023 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtEPOC32EX,<span class="stringliteral">"EPOC32EX"</span>);
<a name="l00024"></a>00024 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtExampleCode,<span class="stringliteral">"Symbian platform Example Code"</span>);
<a name="l00025"></a>00025 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KFormatFailed,<span class="stringliteral">"failed: leave code=%d"</span>);
<a name="l00026"></a>00026 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtOK,<span class="stringliteral">"ok"</span>);
<a name="l00027"></a>00027 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtPressAnyKey,<span class="stringliteral">" [press any key]"</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->Printf(KFormatFailed, error);
<a name="l00051"></a>00051 <span class="keywordflow">else</span>
<a name="l00052"></a>00052 console->Printf(KTxtOK);
<a name="l00053"></a>00053 console->Printf(KTxtPressAnyKey);
<a name="l00054"></a>00054 console->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->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 & 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->SetNumber1(num1);
<a name="l00067"></a>00067 numberstore->SetNumber2(num2);
<a name="l00068"></a>00068 console->Printf(_L(<span class="stringliteral">"Created CNumberStore with values %d & %d\n"</span>),num1,num2);
<a name="l00069"></a>00069 num1=numberstore->Number1();
<a name="l00070"></a>00070 num2=numberstore->Number2();
<a name="l00071"></a>00071 console->Printf(_L(<span class="stringliteral">"CNumberStore has values %d & %d\n"</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->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->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->MultiplyNumbers();</span>
<a name="l00086"></a>00086
<a name="l00087"></a>00087 console->Printf(_L(<span class="stringliteral">"CNumberStore extension gives total %d\n"</span>),total);
<a name="l00088"></a>00088 console->Printf(_L(<span class="stringliteral">"CNumberStore extension gives product with magic multiplyer %d\n"</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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