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11 <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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12 <a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span> |
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13 <a name="l00003"></a>00003 <span class="comment">// This component and the accompanying materials are made available</span> |
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14 <a name="l00004"></a>00004 <span class="comment">// under the terms of "Eclipse Public License v1.0"</span> |
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15 <a name="l00005"></a>00005 <span class="comment">// which accompanies this distribution, and is available</span> |
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16 <a name="l00006"></a>00006 <span class="comment">// at the URL "http://www.eclipse.org/legal/epl-v10.html".</span> |
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17 <a name="l00007"></a>00007 <span class="comment">//</span> |
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18 <a name="l00008"></a>00008 <span class="comment">// Initial Contributors:</span> |
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19 <a name="l00009"></a>00009 <span class="comment">// Nokia Corporation - initial contribution.</span> |
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20 <a name="l00010"></a>00010 <span class="comment">//</span> |
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21 <a name="l00011"></a>00011 <span class="comment">// Contributors:</span> |
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22 <a name="l00012"></a>00012 <span class="comment">//</span> |
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23 <a name="l00013"></a>00013 <span class="comment">// Description:</span> |
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24 <a name="l00014"></a>00014 <span class="comment">//</span> |
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25 <a name="l00015"></a>00015 |
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26 <a name="l00016"></a>00016 <span class="preprocessor">#include "CommonFramework.h"</span> <span class="comment">// standard example framework</span> |
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27 <a name="l00017"></a>00017 |
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28 <a name="l00018"></a>00018 <span class="comment">// advance declarations</span> |
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29 <a name="l00019"></a>00019 <span class="keywordtype">void</span> printCurrency(); |
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30 <a name="l00020"></a>00020 <span class="keywordtype">void</span> formatCurrency(TDes &aBuffer, TReal currencyAmount); |
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31 <a name="l00021"></a>00021 |
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32 <a name="l00022"></a>00022 |
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33 <a name="l00023"></a>00023 LOCAL_C <span class="keywordtype">void</span> doExampleL() |
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34 <a name="l00024"></a>00024 { |
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35 <a name="l00025"></a>00025 <span class="comment">// construct and initialize application data</span> |
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36 <a name="l00026"></a>00026 <span class="comment">// Locale information includes whether there is a space between </span> |
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37 <a name="l00027"></a>00027 <span class="comment">// currency symbol and amount, whether negative currency amounts </span> |
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38 <a name="l00028"></a>00028 <span class="comment">// are enclosed in brackets, and whether digits to left of decimal </span> |
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39 <a name="l00029"></a>00029 <span class="comment">// separator are grouped in threes ("Triads"). </span> |
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40 <a name="l00030"></a>00030 TLocale locale; <span class="comment">// locale information</span> |
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41 <a name="l00031"></a>00031 TCurrencySymbol currencySymbol; |
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42 <a name="l00032"></a>00032 currencySymbol.Set(); <span class="comment">// Get system wide currency symbol setting</span> |
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43 <a name="l00033"></a>00033 locale.SetCurrencySymbolPosition(ELocaleBefore); |
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44 <a name="l00034"></a>00034 locale.SetCurrencySpaceBetween(EFalse); |
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45 <a name="l00035"></a>00035 locale.SetNegativeCurrencyFormat(TLocale::ELeadingMinusSign); |
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46 <a name="l00036"></a>00036 locale.SetCurrencyDecimalPlaces(2); |
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47 <a name="l00037"></a>00037 locale.SetCurrencyTriadsAllowed(ETrue); |
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48 <a name="l00038"></a>00038 locale.SetThousandsSeparator(<span class="charliteral">','</span>); |
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49 <a name="l00039"></a>00039 locale.SetDecimalSeparator(<span class="charliteral">'.'</span>); |
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50 <a name="l00040"></a>00040 locale.Set(); <span class="comment">// set system default settings</span> |
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51 <a name="l00041"></a>00041 printCurrency(); |
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52 <a name="l00042"></a>00042 } |
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53 <a name="l00043"></a>00043 |
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54 <a name="l00044"></a>00044 <span class="keywordtype">void</span> printCurrency() |
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55 <a name="l00045"></a>00045 { |
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56 <a name="l00046"></a>00046 TBuf<30> aBuffer; <span class="comment">// receives formatted currency string</span> |
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57 <a name="l00047"></a>00047 aBuffer.Zero(); <span class="comment">// empty buffer</span> |
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58 <a name="l00048"></a>00048 TReal currencyAmount=-12345678.119; |
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59 <a name="l00049"></a>00049 formatCurrency(aBuffer, currencyAmount); |
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60 <a name="l00050"></a>00050 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KFormat1,<span class="stringliteral">"Currency value is: %S\n"</span>); |
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61 <a name="l00051"></a>00051 console->Printf(KFormat1,&aBuffer); |
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62 <a name="l00052"></a>00052 } |
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63 <a name="l00053"></a>00053 |
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64 <a name="l00054"></a>00054 <span class="keywordtype">void</span> formatCurrency(TDes &aBuffer, TReal currencyAmount) |
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65 <a name="l00055"></a>00055 { |
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66 <a name="l00056"></a>00056 <span class="comment">//</span> |
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67 <a name="l00057"></a>00057 <span class="comment">// Format the currency starting with the currency symbol </span> |
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68 <a name="l00058"></a>00058 <span class="comment">//</span> |
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69 <a name="l00059"></a>00059 TLocale locale; <span class="comment">// System locale settings</span> |
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70 <a name="l00060"></a>00060 TRealFormat realFormat; |
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71 <a name="l00061"></a>00061 <span class="comment">//</span> |
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72 <a name="l00062"></a>00062 <span class="comment">// Set up a TRealFormat object from locale information.</span> |
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73 <a name="l00063"></a>00063 <span class="comment">// This involves setting decimal and thousands separators, </span> |
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74 <a name="l00064"></a>00064 <span class="comment">// whether triads are allowed or not and number of decimal places.</span> |
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75 <a name="l00065"></a>00065 <span class="comment">//</span> |
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76 <a name="l00066"></a>00066 realFormat.iType=KRealFormatFixed; <span class="comment">// converts number to the form</span> |
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77 <a name="l00067"></a>00067 <span class="comment">//"nnn.ddd" (n=integer, d=decimal) </span> |
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78 <a name="l00068"></a>00068 realFormat.iWidth=30; <span class="comment">// Max. number of characters allowed</span> |
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79 <a name="l00069"></a>00069 <span class="comment">// to represent the number</span> |
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80 <a name="l00070"></a>00070 realFormat.iPlaces=locale.CurrencyDecimalPlaces(); |
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81 <a name="l00071"></a>00071 realFormat.iPoint=locale.DecimalSeparator(); |
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82 <a name="l00072"></a>00072 realFormat.iTriad=locale.ThousandsSeparator(); |
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83 <a name="l00073"></a>00073 realFormat.iTriLen=(locale.CurrencyTriadsAllowed() ? 1 : 0); |
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84 <a name="l00074"></a>00074 TCurrencySymbol symbol; <span class="comment">// get currency symbol from</span> |
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85 <a name="l00075"></a>00075 <span class="comment">// system setting</span> |
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86 <a name="l00076"></a>00076 |
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87 <a name="l00077"></a>00077 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtOpenBra,<span class="stringliteral">"("</span>); |
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88 <a name="l00078"></a>00078 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtSpace,<span class="stringliteral">" "</span>); |
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89 <a name="l00079"></a>00079 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtCloseBra,<span class="stringliteral">")"</span>); |
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90 <a name="l00080"></a>00080 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtMinusSign,<span class="stringliteral">"-"</span>); |
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91 <a name="l00081"></a>00081 <span class="comment">// Negative currency amounts may</span> |
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92 <a name="l00082"></a>00082 <span class="comment">// be enclosed in brackets.</span> |
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93 <a name="l00083"></a>00083 <span class="comment">// Currency symbol can appear before or</span> |
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94 <a name="l00084"></a>00084 <span class="comment">// after the value.</span> |
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95 <a name="l00085"></a>00085 <span class="comment">// We can have spaces between the currency</span> |
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96 <a name="l00086"></a>00086 <span class="comment">// symbol and the value.</span> |
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97 <a name="l00087"></a>00087 |
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98 <a name="l00088"></a>00088 |
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99 <a name="l00089"></a>00089 TUint currencySymbolAtFront; |
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100 <a name="l00090"></a>00090 TUint spaceBetweenSymbolAndValue; |
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101 <a name="l00091"></a>00091 |
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102 <a name="l00092"></a>00092 <span class="comment">//</span> |
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103 <a name="l00093"></a>00093 <span class="comment">// setup some useful values. </span> |
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104 <a name="l00094"></a>00094 <span class="comment">//</span> |
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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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107 <a name="l00097"></a>00097 |
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108 <a name="l00098"></a>00098 <span class="comment">//</span> |
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109 <a name="l00099"></a>00099 <span class="comment">// Deal with negative values</span> |
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110 <a name="l00100"></a>00100 <span class="comment">//</span> |
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111 <a name="l00101"></a>00101 <span class="keywordflow">if</span> (currencyAmount<0) |
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112 <a name="l00102"></a>00102 { |
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113 <a name="l00103"></a>00103 <span class="comment">// Check if position of currency symbol needs to swap for </span> |
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114 <a name="l00104"></a>00104 <span class="comment">// for negavtive values</span> |
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115 <a name="l00105"></a>00105 currencySymbolAtFront ^= (locale.NegativeCurrencySymbolOpposite() ? 0x01 : 0x00); |
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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 && 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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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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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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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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141 <a name="l00131"></a>00131 aBuffer.AppendNum(-currencyAmount,realFormat); |
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142 <a name="l00132"></a>00132 <span class="keywordflow">if</span> (spaceBetweenSymbolAndValue) |
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143 <a name="l00133"></a>00133 { |
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144 <a name="l00134"></a>00134 aBuffer.Append(KTxtSpace); |
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145 <a name="l00135"></a>00135 } |
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146 <a name="l00136"></a>00136 aBuffer.Append(symbol); |
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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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154 <a name="l00144"></a>00144 { |
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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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157 <a name="l00147"></a>00147 { |
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158 <a name="l00148"></a>00148 aBuffer.Append(KTxtSpace); |
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159 <a name="l00149"></a>00149 } |
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160 <a name="l00150"></a>00150 aBuffer.AppendNum(-currencyAmount,realFormat); |
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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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164 <a name="l00154"></a>00154 { |
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165 <a name="l00155"></a>00155 aBuffer.AppendNum(-currencyAmount,realFormat); |
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166 <a name="l00156"></a>00156 aBuffer.Append(KTxtMinusSign); |
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167 <a name="l00157"></a>00157 <span class="keywordflow">if</span> (spaceBetweenSymbolAndValue) |
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168 <a name="l00158"></a>00158 { |
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169 <a name="l00159"></a>00159 aBuffer.Append(KTxtSpace); |
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170 <a name="l00160"></a>00160 } |
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171 <a name="l00161"></a>00161 aBuffer.Append(symbol); |
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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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174 <a name="l00164"></a>00164 } |
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175 <a name="l00165"></a>00165 |
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176 <a name="l00166"></a>00166 <span class="keywordflow">case</span> TLocale::EInterveningMinusSign : |
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177 <a name="l00167"></a>00167 { |
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178 <a name="l00168"></a>00168 <span class="keywordflow">if</span> (currencySymbolAtFront) |
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179 <a name="l00169"></a>00169 { |
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180 <a name="l00170"></a>00170 aBuffer.Append(symbol); |
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181 <a name="l00171"></a>00171 <span class="keywordflow">if</span> (spaceBetweenSymbolAndValue) |
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182 <a name="l00172"></a>00172 { |
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183 <a name="l00173"></a>00173 aBuffer.Append(KTxtSpace); |
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184 <a name="l00174"></a>00174 } |
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185 <a name="l00175"></a>00175 aBuffer.AppendNum(currencyAmount,realFormat); |
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186 <a name="l00176"></a>00176 } |
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187 <a name="l00177"></a>00177 <span class="keywordflow">else</span> |
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188 <a name="l00178"></a>00178 { |
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189 <a name="l00179"></a>00179 aBuffer.AppendNum(currencyAmount,realFormat); |
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190 <a name="l00180"></a>00180 <span class="keywordflow">if</span> (spaceBetweenSymbolAndValue) |
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191 <a name="l00181"></a>00181 { |
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192 <a name="l00182"></a>00182 aBuffer.Append(KTxtSpace); |
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193 <a name="l00183"></a>00183 } |
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194 <a name="l00184"></a>00184 aBuffer.Append(symbol); |
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195 <a name="l00185"></a>00185 } |
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196 <a name="l00186"></a>00186 <span class="keywordflow">break</span>; |
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197 <a name="l00187"></a>00187 } |
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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> |
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200 <a name="l00190"></a>00190 { |
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201 <a name="l00191"></a>00191 aBuffer.Append(KTxtOpenBra); |
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202 <a name="l00192"></a>00192 <span class="keywordflow">if</span> (currencySymbolAtFront) |
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203 <a name="l00193"></a>00193 { |
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204 <a name="l00194"></a>00194 aBuffer.Append(symbol); |
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205 <a name="l00195"></a>00195 <span class="keywordflow">if</span> (spaceBetweenSymbolAndValue) |
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206 <a name="l00196"></a>00196 { |
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207 <a name="l00197"></a>00197 aBuffer.Append(KTxtSpace); |
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208 <a name="l00198"></a>00198 } |
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209 <a name="l00199"></a>00199 aBuffer.AppendNum(-currencyAmount,realFormat); |
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210 <a name="l00200"></a>00200 } |
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211 <a name="l00201"></a>00201 <span class="keywordflow">else</span> |
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212 <a name="l00202"></a>00202 { |
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213 <a name="l00203"></a>00203 aBuffer.AppendNum(-currencyAmount,realFormat); |
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214 <a name="l00204"></a>00204 <span class="keywordflow">if</span> (spaceBetweenSymbolAndValue) |
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215 <a name="l00205"></a>00205 { |
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216 <a name="l00206"></a>00206 aBuffer.Append(KTxtSpace); |
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217 <a name="l00207"></a>00207 } |
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218 <a name="l00208"></a>00208 aBuffer.Append(symbol); |
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219 <a name="l00209"></a>00209 } |
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220 <a name="l00210"></a>00210 aBuffer.Append(KTxtCloseBra); |
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221 <a name="l00211"></a>00211 <span class="keywordflow">break</span>; |
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222 <a name="l00212"></a>00212 } |
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223 <a name="l00213"></a>00213 |
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224 <a name="l00214"></a>00214 } |
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225 <a name="l00215"></a>00215 } |
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226 <a name="l00216"></a>00216 |
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227 <a name="l00217"></a>00217 <span class="comment">//</span> |
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228 <a name="l00218"></a>00218 <span class="comment">// Deal with zero or postive values</span> |
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229 <a name="l00219"></a>00219 <span class="comment">//</span> |
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230 <a name="l00220"></a>00220 <span class="keywordflow">else</span> |
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231 <a name="l00221"></a>00221 { |
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232 <a name="l00222"></a>00222 <span class="keywordflow">if</span> (currencySymbolAtFront) |
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233 <a name="l00223"></a>00223 { |
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234 <a name="l00224"></a>00224 aBuffer.Append(symbol); |
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235 <a name="l00225"></a>00225 <span class="keywordflow">if</span> (spaceBetweenSymbolAndValue) |
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236 <a name="l00226"></a>00226 { |
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237 <a name="l00227"></a>00227 aBuffer.Append(KTxtSpace); |
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238 <a name="l00228"></a>00228 } |
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239 <a name="l00229"></a>00229 aBuffer.AppendNum(currencyAmount,realFormat); |
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240 <a name="l00230"></a>00230 } |
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241 <a name="l00231"></a>00231 <span class="keywordflow">else</span> |
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242 <a name="l00232"></a>00232 { |
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243 <a name="l00233"></a>00233 aBuffer.AppendNum(currencyAmount,realFormat); |
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244 <a name="l00234"></a>00234 <span class="keywordflow">if</span> (spaceBetweenSymbolAndValue) |
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245 <a name="l00235"></a>00235 { |
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246 <a name="l00236"></a>00236 aBuffer.Append(KTxtSpace); |
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247 <a name="l00237"></a>00237 } |
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248 <a name="l00238"></a>00238 aBuffer.Append(symbol); |
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249 <a name="l00239"></a>00239 } |
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250 <a name="l00240"></a>00240 } |
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251 <a name="l00241"></a>00241 |
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252 <a name="l00242"></a>00242 } |
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253 </pre></div></div> |
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254 <hr size="1"/><address style="text-align: right;"><small>Generated by |
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255 <a href="http://www.doxygen.org/index.html"> |
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256 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.2 </small></address> |
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257 </body> |
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258 </html> |