Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_binary_data_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
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
<title>TB10.1 Example Applications: examples/Base/BufsAndStrings/Desc/BinaryData/BinaryData.cpp Source File</title>
<link href="doxygen.css" rel="stylesheet" type="text/css">
<link href="tabs.css" rel="stylesheet" type="text/css">
</head><body>
<!-- Generated by Doxygen 1.5.3 -->
<h1>examples/Base/BufsAndStrings/Desc/BinaryData/BinaryData.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">// Examples to demonstrate how descriptors can handle </span>
<a name="l00015"></a>00015 <span class="comment">// general binary data.</span>
<a name="l00016"></a>00016 <span class="comment">//</span>
<a name="l00017"></a>00017
<a name="l00018"></a>00018 <span class="preprocessor">#include "CommonFramework.h"</span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="comment">//</span>
<a name="l00021"></a>00021 <span class="comment">// Common literal text</span>
<a name="l00022"></a>00022 <span class="comment">//</span>
<a name="l00023"></a>00023 _LIT(KTxtNewLine,<span class="stringliteral">"\n"</span>);
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="comment">//</span>
<a name="l00026"></a>00026 <span class="comment">// Common format strings</span>
<a name="l00027"></a>00027 <span class="comment">//</span>
<a name="l00028"></a>00028 _LIT(KCommonFormat2,<span class="stringliteral">"Size()=%d; MaxLength()=%d\n"</span>);
<a name="l00029"></a>00029 _LIT(KCommonFormat3,<span class="stringliteral">"0x%02x "</span>);
<a name="l00030"></a>00030 _LIT(KCommonFormat4,<span class="stringliteral">"; Length()=%d;\n"</span>);
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="comment">// do the example</span>
<a name="l00033"></a>00033 LOCAL_C <span class="keywordtype">void</span> doExampleL()
<a name="l00034"></a>00034 {
<a name="l00035"></a>00035 TInt counter;
<a name="l00036"></a>00036 TInt index;
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="comment">// For general binary data, construct an 8 bit</span>
<a name="l00039"></a>00039 <span class="comment">// variant descriptor. Binary data is always</span>
<a name="l00040"></a>00040 <span class="comment">// treated as 8 bit data regardless of the </span>
<a name="l00041"></a>00041 <span class="comment">// build.</span>
<a name="l00042"></a>00042 <span class="comment">//</span>
<a name="l00043"></a>00043 <span class="comment">// This example constructs a TBuf8 using the </span>
<a name="l00044"></a>00044 <span class="comment">// default constructor. </span>
<a name="l00045"></a>00045
<a name="l00046"></a>00046 TBuf8<32> buffer;
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <span class="comment">// Look at:</span>
<a name="l00049"></a>00049 <span class="comment">// 1. Descriptor content</span>
<a name="l00050"></a>00050 <span class="comment">// 2. Length of descriptor</span>
<a name="l00051"></a>00051 <span class="comment">// 3. Size of descriptor</span>
<a name="l00052"></a>00052 <span class="comment">// 4. Maximum length of descriptor</span>
<a name="l00053"></a>00053 <span class="comment">// </span>
<a name="l00054"></a>00054 <span class="comment">// Length is zero. Maximum length is 32.</span>
<a name="l00055"></a>00055 <span class="comment">// Size is zero. </span>
<a name="l00056"></a>00056 _LIT(KFormat1,<span class="stringliteral">"\"%S\"; Length()=%d; "</span>);
<a name="l00057"></a>00057 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KFormat1,&buffer,buffer.Length());
<a name="l00058"></a>00058 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat2,buffer.Size(),buffer.MaxLength());
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="comment">// Set up an area in memory initialised</span>
<a name="l00061"></a>00061 <span class="comment">// with binary data.</span>
<a name="l00062"></a>00062 TUint8 data[6] = {0x00,0x01,0x02,0xAD,0xAE,0xAF};
<a name="l00063"></a>00063
<a name="l00064"></a>00064 <span class="comment">// Put data into descriptor</span>
<a name="l00065"></a>00065 buffer.Append(&data[0],<span class="keyword">sizeof</span>(data));
<a name="l00066"></a>00066
<a name="l00067"></a>00067 <span class="comment">// Append the following byte values</span>
<a name="l00068"></a>00068 buffer.Append(0xFD);
<a name="l00069"></a>00069 buffer.Append(0xFE);
<a name="l00070"></a>00070 buffer.Append(0xFF);
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="comment">// Length is now 9; maxlength is still 32;</span>
<a name="l00073"></a>00073 <span class="comment">// Size is always 9 regardless of build.</span>
<a name="l00074"></a>00074 counter = buffer.Length();
<a name="l00075"></a>00075 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KTxtNewLine);
<a name="l00076"></a>00076 <span class="keywordflow">for</span> (index = 0; index < counter; index++)
<a name="l00077"></a>00077 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat3,buffer[index]);
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat4,buffer.Length()
<a name="l00080"></a>00080 );
<a name="l00081"></a>00081 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat2,buffer.Size(),buffer.MaxLength());
<a name="l00082"></a>00082 <span class="comment">// We can also mix text characters and</span>
<a name="l00083"></a>00083 <span class="comment">// general binary data.</span>
<a name="l00084"></a>00084 buffer.Append(<span class="charliteral">'A'</span>);
<a name="l00085"></a>00085 buffer.Append(<span class="charliteral">'B'</span>);
<a name="l00086"></a>00086 buffer.Append(0x11);
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="comment">// Show it</span>
<a name="l00089"></a>00089 counter = buffer.Length();
<a name="l00090"></a>00090 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KTxtNewLine);
<a name="l00091"></a>00091 <span class="keywordflow">for</span> (index = 0; index < counter; index++)
<a name="l00092"></a>00092 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat3,buffer[index]);
<a name="l00093"></a>00093
<a name="l00094"></a>00094 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat4,buffer.Length());
<a name="l00095"></a>00095 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat2,buffer.Size(),buffer.MaxLength());
<a name="l00096"></a>00096 }
</pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Thu Jan 21 10:32:55 2010 for TB10.1 Example Applications by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.3 </small></address>
</body>
</html>