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Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_currency_8cpp_source.html
author Dominic Pinkman <Dominic.Pinkman@Nokia.com>
Tue, 30 Mar 2010 16:16:55 +0100
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
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<title>TB9.2 Example Applications: examples/Base/Locale/Currency/Currency.cpp Source File</title>
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<link href="tabs.css" rel="stylesheet" type="text/css"/>
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<link href="doxygen.css" rel="stylesheet" type="text/css"/>
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</head>
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<body>
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<!-- Generated by Doxygen 1.6.2 -->
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<h1>examples/Base/Locale/Currency/Currency.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>
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<a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span>
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<a name="l00003"></a>00003 <span class="comment">// This component and the accompanying materials are made available</span>
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<a name="l00004"></a>00004 <span class="comment">// under the terms of &quot;Eclipse Public License v1.0&quot;</span>
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<a name="l00005"></a>00005 <span class="comment">// which accompanies this distribution, and is available</span>
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<a name="l00006"></a>00006 <span class="comment">// at the URL &quot;http://www.eclipse.org/legal/epl-v10.html&quot;.</span>
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<a name="l00007"></a>00007 <span class="comment">//</span>
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<a name="l00008"></a>00008 <span class="comment">// Initial Contributors:</span>
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<a name="l00009"></a>00009 <span class="comment">// Nokia Corporation - initial contribution.</span>
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<a name="l00010"></a>00010 <span class="comment">//</span>
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<a name="l00011"></a>00011 <span class="comment">// Contributors:</span>
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<a name="l00012"></a>00012 <span class="comment">//</span>
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<a name="l00013"></a>00013 <span class="comment">// Description:</span>
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<a name="l00014"></a>00014 <span class="comment">//</span>
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<a name="l00015"></a>00015
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<a name="l00016"></a>00016 <span class="preprocessor">#include &quot;CommonFramework.h&quot;</span> <span class="comment">// standard example framework</span>
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<a name="l00017"></a>00017
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<a name="l00018"></a>00018 <span class="comment">// advance declarations</span>
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<a name="l00019"></a>00019 <span class="keywordtype">void</span> printCurrency();
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<a name="l00020"></a>00020 <span class="keywordtype">void</span> formatCurrency(TDes &amp;aBuffer, TReal currencyAmount);
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<a name="l00021"></a>00021
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<a name="l00022"></a>00022
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<a name="l00023"></a>00023 LOCAL_C <span class="keywordtype">void</span> doExampleL()
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<a name="l00024"></a>00024     {
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<a name="l00025"></a>00025                 <span class="comment">// construct and initialize application data</span>
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<a name="l00026"></a>00026                 <span class="comment">// Locale information includes whether there is a space between </span>
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<a name="l00027"></a>00027                 <span class="comment">// currency symbol and amount, whether negative currency amounts </span>
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<a name="l00028"></a>00028                 <span class="comment">// are enclosed in brackets, and whether digits to left of decimal </span>
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<a name="l00029"></a>00029                 <span class="comment">// separator are grouped in threes (&quot;Triads&quot;). </span>
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<a name="l00030"></a>00030         TLocale locale; <span class="comment">// locale information</span>
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<a name="l00031"></a>00031         TCurrencySymbol currencySymbol;
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<a name="l00032"></a>00032         currencySymbol.Set();   <span class="comment">// Get system wide currency symbol setting</span>
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<a name="l00033"></a>00033         locale.SetCurrencySymbolPosition(ELocaleBefore);
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<a name="l00034"></a>00034         locale.SetCurrencySpaceBetween(EFalse);
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<a name="l00035"></a>00035         locale.SetNegativeCurrencyFormat(TLocale::ELeadingMinusSign);
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<a name="l00036"></a>00036         locale.SetCurrencyDecimalPlaces(2);
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<a name="l00037"></a>00037         locale.SetCurrencyTriadsAllowed(ETrue);
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<a name="l00038"></a>00038         locale.SetThousandsSeparator(<span class="charliteral">&#39;,&#39;</span>);
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<a name="l00039"></a>00039         locale.SetDecimalSeparator(<span class="charliteral">&#39;.&#39;</span>);
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<a name="l00040"></a>00040         locale.Set();                   <span class="comment">// set system default settings</span>
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<a name="l00041"></a>00041         printCurrency();
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<a name="l00042"></a>00042         }
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<a name="l00043"></a>00043
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<a name="l00044"></a>00044 <span class="keywordtype">void</span> printCurrency()
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<a name="l00045"></a>00045         {
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<a name="l00046"></a>00046         TBuf&lt;30&gt; aBuffer; <span class="comment">// receives formatted currency string</span>
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<a name="l00047"></a>00047         aBuffer.Zero(); <span class="comment">// empty buffer</span>
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<a name="l00048"></a>00048         TReal currencyAmount=-12345678.119;
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<a name="l00049"></a>00049         formatCurrency(aBuffer, currencyAmount);
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<a name="l00050"></a>00050         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KFormat1,<span class="stringliteral">&quot;Currency value is: %S\n&quot;</span>);
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<a name="l00051"></a>00051         console-&gt;Printf(KFormat1,&amp;aBuffer);
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<a name="l00052"></a>00052         }
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<a name="l00053"></a>00053
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<a name="l00054"></a>00054 <span class="keywordtype">void</span> formatCurrency(TDes &amp;aBuffer, TReal currencyAmount)
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<a name="l00055"></a>00055         {
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<a name="l00056"></a>00056                 <span class="comment">//</span>
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<a name="l00057"></a>00057                 <span class="comment">// Format the currency starting with the currency symbol </span>
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<a name="l00058"></a>00058                 <span class="comment">//</span>
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<a name="l00059"></a>00059         TLocale locale;                 <span class="comment">// System locale settings</span>
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<a name="l00060"></a>00060         TRealFormat realFormat;
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<a name="l00061"></a>00061                 <span class="comment">//</span>
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<a name="l00062"></a>00062                 <span class="comment">// Set up a TRealFormat object from locale information.</span>
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<a name="l00063"></a>00063                 <span class="comment">// This involves setting decimal and thousands separators, </span>
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<a name="l00064"></a>00064                 <span class="comment">// whether triads are allowed or not and number of decimal places.</span>
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<a name="l00065"></a>00065                 <span class="comment">//</span>
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<a name="l00066"></a>00066         realFormat.iType=KRealFormatFixed; <span class="comment">// converts number to the form</span>
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<a name="l00067"></a>00067                                            <span class="comment">//&quot;nnn.ddd&quot; (n=integer, d=decimal) </span>
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<a name="l00068"></a>00068         realFormat.iWidth=30;              <span class="comment">// Max. number of characters allowed</span>
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<a name="l00069"></a>00069                                                                            <span class="comment">// to  represent the number</span>
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<a name="l00070"></a>00070         realFormat.iPlaces=locale.CurrencyDecimalPlaces();
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<a name="l00071"></a>00071         realFormat.iPoint=locale.DecimalSeparator();
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<a name="l00072"></a>00072         realFormat.iTriad=locale.ThousandsSeparator();
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<a name="l00073"></a>00073         realFormat.iTriLen=(locale.CurrencyTriadsAllowed() ? 1 : 0);
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<a name="l00074"></a>00074         TCurrencySymbol symbol;                   <span class="comment">// get currency symbol from</span>
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<a name="l00075"></a>00075                                                                           <span class="comment">// system setting</span>
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<a name="l00076"></a>00076
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<a name="l00077"></a>00077         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtOpenBra,<span class="stringliteral">&quot;(&quot;</span>);
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<a name="l00078"></a>00078         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtSpace,<span class="stringliteral">&quot; &quot;</span>);
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<a name="l00079"></a>00079         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtCloseBra,<span class="stringliteral">&quot;)&quot;</span>);
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<a name="l00080"></a>00080         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtMinusSign,<span class="stringliteral">&quot;-&quot;</span>);
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<a name="l00081"></a>00081                                                                           <span class="comment">// Negative currency amounts may</span>
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<a name="l00082"></a>00082                                                                           <span class="comment">// be enclosed in brackets.</span>
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<a name="l00083"></a>00083                                                                           <span class="comment">// Currency symbol can appear before or</span>
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<a name="l00084"></a>00084                                           <span class="comment">// after the value.</span>
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<a name="l00085"></a>00085                                           <span class="comment">// We can have spaces between the currency</span>
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<a name="l00086"></a>00086                                           <span class="comment">// symbol and the value.</span>
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<a name="l00087"></a>00087
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<a name="l00088"></a>00088
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<a name="l00089"></a>00089     TUint currencySymbolAtFront;
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<a name="l00090"></a>00090     TUint spaceBetweenSymbolAndValue;
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diff changeset 
   101
 
<a name="l00091"></a>00091
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   102
 
<a name="l00092"></a>00092                                       <span class="comment">//</span>
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diff changeset 
   103
 
<a name="l00093"></a>00093                                       <span class="comment">// setup some useful values.    </span>
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diff changeset 
   104
 
<a name="l00094"></a>00094                                       <span class="comment">//</span>
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diff changeset 
   105
 
<a name="l00095"></a>00095     currencySymbolAtFront      = ((locale.CurrencySymbolPosition()==ELocaleBefore) ? 0x01 : 0x00);
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   106
 
<a name="l00096"></a>00096     spaceBetweenSymbolAndValue = (locale.CurrencySpaceBetween() ? 0x01 : 0x00);
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diff changeset 
   107
 
<a name="l00097"></a>00097
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   108
 
<a name="l00098"></a>00098                                       <span class="comment">//</span>
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diff changeset 
   109
 
<a name="l00099"></a>00099                                       <span class="comment">// Deal with negative values</span>
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diff changeset 
   110
 
<a name="l00100"></a>00100                                       <span class="comment">//</span>
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diff changeset 
   111
 
<a name="l00101"></a>00101     <span class="keywordflow">if</span> (currencyAmount&lt;0)
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diff changeset 
   112
 
<a name="l00102"></a>00102         {
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diff changeset 
   113
 
<a name="l00103"></a>00103                                       <span class="comment">// Check if position of currency symbol needs to swap for </span>
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diff changeset 
   114
 
<a name="l00104"></a>00104                                       <span class="comment">// for negavtive values</span>
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diff changeset 
   115
 
<a name="l00105"></a>00105         currencySymbolAtFront ^= (locale.NegativeCurrencySymbolOpposite() ? 0x01 : 0x00);
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diff changeset 
   116
 
<a name="l00106"></a>00106
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   117
 
<a name="l00107"></a>00107                                       <span class="comment">// Check if we need a space between currency symbol</span>
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   118
 
<a name="l00108"></a>00108                                       <span class="comment">// and value.</span>
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   119
 
<a name="l00109"></a>00109         <span class="keywordflow">if</span> (spaceBetweenSymbolAndValue &amp;&amp; locale.NegativeLoseSpace())
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   120
 
<a name="l00110"></a>00110             {
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   121
 
<a name="l00111"></a>00111             spaceBetweenSymbolAndValue = 0x00;
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   122
 
<a name="l00112"></a>00112             }
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diff changeset 
   123
 
<a name="l00113"></a>00113
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   124
 
<a name="l00114"></a>00114                                       <span class="comment">// Now lay out the negative value as instructed. </span>
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   125
 
<a name="l00115"></a>00115         <span class="keywordflow">switch</span> (locale.NegativeCurrencyFormat())
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diff changeset 
   126
 
<a name="l00116"></a>00116             {
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   127
 
<a name="l00117"></a>00117             <span class="keywordflow">case</span> TLocale::ELeadingMinusSign :
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   128
 
<a name="l00118"></a>00118                 {
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   129
 
<a name="l00119"></a>00119                 aBuffer.Append(KTxtMinusSign);
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   130
 
<a name="l00120"></a>00120                     <span class="keywordflow">if</span> (currencySymbolAtFront)
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diff changeset 
   131
 
<a name="l00121"></a>00121                         {
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   132
 
<a name="l00122"></a>00122                         aBuffer.Append(symbol);
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   133
 
<a name="l00123"></a>00123                         <span class="keywordflow">if</span> (spaceBetweenSymbolAndValue)
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   134
 
<a name="l00124"></a>00124                             {
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   135
 
<a name="l00125"></a>00125                             aBuffer.Append(KTxtSpace);
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   136
 
<a name="l00126"></a>00126                             }
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   137
 
<a name="l00127"></a>00127                         aBuffer.AppendNum(-currencyAmount,realFormat);
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   138
 
<a name="l00128"></a>00128                         }
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   139
 
<a name="l00129"></a>00129                     <span class="keywordflow">else</span>
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   140
 
<a name="l00130"></a>00130                         {
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diff changeset 
   141
 
<a name="l00131"></a>00131                         aBuffer.AppendNum(-currencyAmount,realFormat);
43e37759235e Week 12 contribution of example code"
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   142
 
<a name="l00132"></a>00132                         <span class="keywordflow">if</span> (spaceBetweenSymbolAndValue)
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diff changeset 
   143
 
<a name="l00133"></a>00133                             {
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   144
 
<a name="l00134"></a>00134                             aBuffer.Append(KTxtSpace);
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diff changeset 
   145
 
<a name="l00135"></a>00135                             }
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diff changeset 
   146
 
<a name="l00136"></a>00136                         aBuffer.Append(symbol);
43e37759235e Week 12 contribution of example code"
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diff changeset 
   147
 
<a name="l00137"></a>00137                         }
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   148
 
<a name="l00138"></a>00138                 <span class="keywordflow">break</span>;
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   149
 
<a name="l00139"></a>00139                 }
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   150
 
<a name="l00140"></a>00140
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   151
 
<a name="l00141"></a>00141             <span class="keywordflow">case</span> TLocale::ETrailingMinusSign :
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   152
 
<a name="l00142"></a>00142                 {
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   153
 
<a name="l00143"></a>00143                 <span class="keywordflow">if</span> (currencySymbolAtFront)
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diff changeset 
   154
 
<a name="l00144"></a>00144                     {
43e37759235e Week 12 contribution of example code"
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   155
 
<a name="l00145"></a>00145                     aBuffer.Append(symbol);
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   156
 
<a name="l00146"></a>00146                     <span class="keywordflow">if</span> (spaceBetweenSymbolAndValue)
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diff changeset 
   157
 
<a name="l00147"></a>00147                             {
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diff changeset 
   158
 
<a name="l00148"></a>00148                             aBuffer.Append(KTxtSpace);
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diff changeset 
   159
 
<a name="l00149"></a>00149                             }
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diff changeset 
   160
 
<a name="l00150"></a>00150                         aBuffer.AppendNum(-currencyAmount,realFormat);
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diff changeset 
   161
 
<a name="l00151"></a>00151                         aBuffer.Append(KTxtMinusSign);
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   162
 
<a name="l00152"></a>00152                     }
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   163
 
<a name="l00153"></a>00153                 <span class="keywordflow">else</span>
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diff changeset 
   164
 
<a name="l00154"></a>00154                     {
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   165
 
<a name="l00155"></a>00155                     aBuffer.AppendNum(-currencyAmount,realFormat);
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   166
 
<a name="l00156"></a>00156                         aBuffer.Append(KTxtMinusSign);
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   167
 
<a name="l00157"></a>00157                         <span class="keywordflow">if</span> (spaceBetweenSymbolAndValue)
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diff changeset 
   168
 
<a name="l00158"></a>00158                             {
43e37759235e Week 12 contribution of example code"
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diff changeset 
   169
 
<a name="l00159"></a>00159                             aBuffer.Append(KTxtSpace);
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diff changeset 
   170
 
<a name="l00160"></a>00160                             }
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diff changeset 
   171
 
<a name="l00161"></a>00161                         aBuffer.Append(symbol);
43e37759235e Week 12 contribution of example code"
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   172
 
<a name="l00162"></a>00162                     }
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   173
 
<a name="l00163"></a>00163                 <span class="keywordflow">break</span>;
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diff changeset 
   174
 
<a name="l00164"></a>00164                 }
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diff changeset 
   175
 
<a name="l00165"></a>00165
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   176
 
<a name="l00166"></a>00166             <span class="keywordflow">case</span> TLocale::EInterveningMinusSign :
43e37759235e Week 12 contribution of example code"
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diff changeset 
   177
 
<a name="l00167"></a>00167                 {
43e37759235e Week 12 contribution of example code"
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diff changeset 
   178
 
<a name="l00168"></a>00168                 <span class="keywordflow">if</span> (currencySymbolAtFront)
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diff changeset 
   179
 
<a name="l00169"></a>00169                     {
43e37759235e Week 12 contribution of example code"
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diff changeset 
   180
 
<a name="l00170"></a>00170                     aBuffer.Append(symbol);
43e37759235e Week 12 contribution of example code"
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diff changeset 
   181
 
<a name="l00171"></a>00171                     <span class="keywordflow">if</span> (spaceBetweenSymbolAndValue)
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diff changeset 
   182
 
<a name="l00172"></a>00172                             {
43e37759235e Week 12 contribution of example code"
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diff changeset 
   183
 
<a name="l00173"></a>00173                             aBuffer.Append(KTxtSpace);
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   184
 
<a name="l00174"></a>00174                             }
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diff changeset 
   185
 
<a name="l00175"></a>00175                         aBuffer.AppendNum(currencyAmount,realFormat);
43e37759235e Week 12 contribution of example code"
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diff changeset 
   186
 
<a name="l00176"></a>00176                     }
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diff changeset 
   187
 
<a name="l00177"></a>00177                 <span class="keywordflow">else</span>
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   188
 
<a name="l00178"></a>00178                     {
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   189
 
<a name="l00179"></a>00179                     aBuffer.AppendNum(currencyAmount,realFormat);
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   190
 
<a name="l00180"></a>00180                     <span class="keywordflow">if</span> (spaceBetweenSymbolAndValue)
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   191
 
<a name="l00181"></a>00181                             {
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   192
 
<a name="l00182"></a>00182                             aBuffer.Append(KTxtSpace);
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   193
 
<a name="l00183"></a>00183                             }
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parents:
diff changeset 
   194
 
<a name="l00184"></a>00184                         aBuffer.Append(symbol);
43e37759235e Week 12 contribution of example code"
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diff changeset 
   195
 
<a name="l00185"></a>00185                     }
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diff changeset 
   196
 
<a name="l00186"></a>00186                 <span class="keywordflow">break</span>;
43e37759235e Week 12 contribution of example code"
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diff changeset 
   197
 
<a name="l00187"></a>00187                 }
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diff changeset 
   198
 
<a name="l00188"></a>00188
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   199
 
<a name="l00189"></a>00189             <span class="keywordflow">default</span> : <span class="comment">// EInBrackets is the only remaining option</span>
43e37759235e Week 12 contribution of example code"
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diff changeset 
   200
 
<a name="l00190"></a>00190                 {
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   201
 
<a name="l00191"></a>00191                 aBuffer.Append(KTxtOpenBra);
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   202
 
<a name="l00192"></a>00192                 <span class="keywordflow">if</span> (currencySymbolAtFront)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   203
 
<a name="l00193"></a>00193                     {
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   204
 
<a name="l00194"></a>00194                     aBuffer.Append(symbol);
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   205
 
<a name="l00195"></a>00195                     <span class="keywordflow">if</span> (spaceBetweenSymbolAndValue)
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parents:
diff changeset 
   206
 
<a name="l00196"></a>00196                             {
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   207
 
<a name="l00197"></a>00197                             aBuffer.Append(KTxtSpace);
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   208
 
<a name="l00198"></a>00198                             }
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parents:
diff changeset 
   209
 
<a name="l00199"></a>00199                     aBuffer.AppendNum(-currencyAmount,realFormat);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   210
 
<a name="l00200"></a>00200                     }
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   211
 
<a name="l00201"></a>00201                 <span class="keywordflow">else</span>
43e37759235e Week 12 contribution of example code"
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<a name="l00202"></a>00202                     {
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<a name="l00203"></a>00203                     aBuffer.AppendNum(-currencyAmount,realFormat);
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<a name="l00204"></a>00204                     <span class="keywordflow">if</span> (spaceBetweenSymbolAndValue)
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<a name="l00205"></a>00205                             {
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<a name="l00206"></a>00206                             aBuffer.Append(KTxtSpace);
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<a name="l00207"></a>00207                             }
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<a name="l00208"></a>00208                     aBuffer.Append(symbol);
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<a name="l00209"></a>00209                     }
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<a name="l00210"></a>00210                         aBuffer.Append(KTxtCloseBra);
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<a name="l00211"></a>00211                         <span class="keywordflow">break</span>;
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<a name="l00212"></a>00212                 }
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<a name="l00213"></a>00213
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<a name="l00214"></a>00214             }
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<a name="l00215"></a>00215         }
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<a name="l00216"></a>00216
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<a name="l00217"></a>00217                                       <span class="comment">//</span>
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<a name="l00218"></a>00218                                       <span class="comment">// Deal with zero or postive values</span>
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<a name="l00219"></a>00219                                       <span class="comment">//</span>
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<a name="l00220"></a>00220     <span class="keywordflow">else</span>
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<a name="l00221"></a>00221         {
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<a name="l00222"></a>00222         <span class="keywordflow">if</span> (currencySymbolAtFront)
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<a name="l00223"></a>00223             {
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<a name="l00224"></a>00224             aBuffer.Append(symbol);
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<a name="l00225"></a>00225             <span class="keywordflow">if</span> (spaceBetweenSymbolAndValue)
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<a name="l00226"></a>00226                     {
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<a name="l00227"></a>00227                     aBuffer.Append(KTxtSpace);
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<a name="l00228"></a>00228                     }
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<a name="l00229"></a>00229             aBuffer.AppendNum(currencyAmount,realFormat);
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<a name="l00230"></a>00230             }
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<a name="l00231"></a>00231         <span class="keywordflow">else</span>
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<a name="l00232"></a>00232             {
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<a name="l00233"></a>00233             aBuffer.AppendNum(currencyAmount,realFormat);
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<a name="l00234"></a>00234             <span class="keywordflow">if</span> (spaceBetweenSymbolAndValue)
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<a name="l00235"></a>00235                     {
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<a name="l00236"></a>00236                     aBuffer.Append(KTxtSpace);
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<a name="l00237"></a>00237                     }
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<a name="l00238"></a>00238             aBuffer.Append(symbol);
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<a name="l00239"></a>00239             }
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<a name="l00240"></a>00240         }
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<a name="l00241"></a>00241
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<a name="l00242"></a>00242         }
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</pre></div></div>
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<hr size="1"/><address style="text-align: right;"><small>Generated by&nbsp;
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<a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.2 </small></address>
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</body>
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</html>
FCL/sftools/depl/docscontent