1 /* |
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2 * Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: MnrpUtils class implementation |
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15 * |
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16 */ |
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17 |
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18 |
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19 #include <e32base.h> |
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20 #include <e32math.h> |
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21 #include <lbsposition.h> |
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22 |
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23 #include "mnrputils.h" |
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24 |
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25 _LIT( KNan, "<n/a>" ); |
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26 _LIT( KNeg, "<neg>" ); |
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27 _LIT( KOutOfBounds, "<inv>" ); |
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28 |
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29 // ============================ MEMBER FUNCTIONS =============================== |
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30 |
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31 // ----------------------------------------------------------------------------- |
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32 // ----------------------------------------------------------------------------- |
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33 // |
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34 EXPORT_C void MnrpUtils::CoordinateToString( |
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35 TReal aCoord, |
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36 TDes& aStr, |
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37 TBool aFull, |
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38 TBool aMillis ) |
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39 { |
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40 const TChar KDegreeMark = 0xB0; |
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41 const TChar KMinuteMark = 0x27; |
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42 const TChar KSecondMark = 0x22; |
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43 const TChar KMilliSecondMark = 0x2E; |
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44 const TChar KMinus = '-'; |
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45 const TChar KPlus = '+'; |
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46 |
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47 _LIT( KCoordFormatFull, "%c%d%c%02d%c%02d%c" ); |
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48 _LIT( KCoordFormatPartMseconds, "%c%03d" ); |
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49 |
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50 if ( Math::IsNaN( aCoord ) ) |
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51 { |
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52 aStr.Copy( KNan ); |
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53 } |
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54 else if ( Abs( aCoord ) > 360 ) |
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55 { |
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56 aStr.Copy( KOutOfBounds ); |
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57 } |
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58 else |
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59 { |
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60 TBool negative = aCoord < 0; |
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61 aCoord = Abs( aCoord ); |
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62 |
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63 TInt degrees = TInt( aCoord ); |
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64 aCoord = ( aCoord - degrees ) * 60; |
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65 TInt minutes = TInt( aCoord ); |
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66 aCoord = ( aCoord - minutes ) * 60; |
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67 TInt seconds = TInt( aCoord ); |
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68 aCoord = ( aCoord - seconds ) * 100; |
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69 TInt mseconds = TInt( aCoord ); |
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70 |
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71 TChar sign = negative ? KMinus : KPlus; |
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72 |
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73 if ( aFull ) |
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74 { |
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75 aStr.Format( KCoordFormatFull, |
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76 TUint( sign ), degrees, TUint( KDegreeMark ), |
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77 minutes, TUint( KMinuteMark ), |
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78 seconds, TUint( KSecondMark ) ); |
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79 if ( aMillis ) |
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80 { |
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81 aStr.AppendFormat( KCoordFormatPartMseconds, TUint( KMilliSecondMark ), mseconds ); |
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82 } |
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83 } |
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84 else |
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85 { |
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86 aStr.Zero(); |
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87 if ( degrees ) |
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88 { |
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89 aStr.AppendNum( degrees ); |
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90 aStr.Append( KDegreeMark ); |
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91 } |
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92 if ( minutes ) |
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93 { |
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94 aStr.AppendNum( minutes ); |
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95 aStr.Append( KMinuteMark ); |
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96 } |
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97 if ( seconds ) |
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98 { |
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99 aStr.AppendNum( seconds ); |
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100 aStr.Append( KSecondMark ); |
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101 } |
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102 if ( mseconds && aMillis ) |
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103 { |
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104 if ( !seconds ) |
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105 { |
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106 aStr.AppendNum( 0 ); |
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107 aStr.Append( KSecondMark ); |
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108 } |
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109 aStr.AppendFormat( KCoordFormatPartMseconds, TUint( KMilliSecondMark ), mseconds ); |
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110 } |
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111 |
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112 if ( !aStr.Length() ) |
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113 { |
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114 aStr.AppendNum( degrees ); |
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115 aStr.Append( KDegreeMark ); |
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116 } |
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117 } |
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118 } |
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119 } |
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120 |
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121 // ----------------------------------------------------------------------------- |
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122 // ----------------------------------------------------------------------------- |
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123 // |
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124 EXPORT_C void MnrpUtils::DistanceToString( TReal aDistance, TDes& aStr ) |
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125 { |
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126 _LIT( KSmall, "< 1 m" ); |
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127 _LIT( KMeters, "%d m" ); |
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128 _LIT( KKiloMeters, "%.1f Km" ); |
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129 _LIT( KThousandsKiloMeters, "%.1f tKm" ); |
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130 |
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131 const TInt KMeter = 1; |
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132 const TInt KKilometer = KMeter * 1000; |
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133 const TInt KThousandKilometer = KKilometer * 1000; |
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134 |
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135 if ( Math::IsNaN( aDistance ) ) |
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136 { |
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137 aStr.Copy( KNan ); |
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138 } |
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139 else if ( aDistance < 0 ) |
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140 { |
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141 aStr.Copy( KNeg ); |
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142 } |
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143 else if ( aDistance < KMeter ) |
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144 { |
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145 aStr.Copy( KSmall ); |
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146 } |
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147 else if ( aDistance < KKilometer ) |
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148 { |
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149 aStr.Format( KMeters, TInt( aDistance ) ); |
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150 } |
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151 else if ( aDistance < KThousandKilometer ) |
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152 { |
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153 aStr.Format( KKiloMeters, aDistance / KKilometer ); |
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154 } |
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155 else |
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156 { |
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157 aStr.Format( KThousandsKiloMeters, aDistance / KThousandKilometer ); |
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158 } |
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159 } |
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160 |
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161 // ----------------------------------------------------------------------------- |
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162 // ----------------------------------------------------------------------------- |
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163 // |
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164 EXPORT_C void MnrpUtils::SpeedToString( TReal aSpeed, TDes& aStr ) |
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165 { |
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166 _LIT( KPerSecond, "/s" ); |
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167 |
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168 if ( Math::IsNaN( aSpeed ) ) |
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169 { |
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170 aStr.Copy( KNan ); |
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171 } |
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172 else if ( aSpeed < 0 ) |
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173 { |
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174 aStr.Copy( KNeg ); |
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175 } |
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176 else |
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177 { |
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178 DistanceToString( aSpeed, aStr ); |
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179 aStr.Append( KPerSecond ); |
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180 } |
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181 } |
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182 |
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183 // ----------------------------------------------------------------------------- |
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184 // ----------------------------------------------------------------------------- |
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185 // |
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186 EXPORT_C void MnrpUtils::AngleToString( TReal aAngle, TDes& aStr ) |
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187 { |
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188 const TChar KMinus = '-'; |
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189 const TChar KPlus = '+'; |
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190 _LIT( KAngleFormat, "%S%c%.1f\xB0 / %.1f\xB0" ); |
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191 |
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192 _LIT( KNorth, "N" ); |
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193 _LIT( KSouth, "S" ); |
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194 _LIT( KWest, "W" ); |
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195 _LIT( KEast, "E" ); |
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196 |
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197 TPtrC side; |
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198 TReal angle; |
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199 |
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200 if ( Math::IsNaN( aAngle ) ) |
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201 { |
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202 aStr.Copy( KNan ); |
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203 } |
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204 else if ( aAngle > 360 ) |
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205 { |
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206 aStr.Copy( KOutOfBounds ); |
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207 } |
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208 else |
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209 { |
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210 if ( aAngle > 315 ) |
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211 { |
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212 side.Set( KNorth ); |
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213 angle = aAngle - 360; |
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214 } |
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215 else if ( aAngle > 225 ) |
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216 { |
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217 side.Set( KWest ); |
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218 angle = aAngle - 270; |
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219 } |
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220 else if ( aAngle > 135 ) |
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221 { |
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222 side.Set( KSouth ); |
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223 angle = aAngle - 180; |
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224 } |
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225 else if ( aAngle > 45 ) |
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226 { |
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227 side.Set( KEast ); |
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228 angle = aAngle - 90; |
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229 } |
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230 else // aAngle <= 45 |
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231 { |
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232 side.Set( KNorth ); |
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233 angle = aAngle; |
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234 } |
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235 |
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236 TChar sign = ( angle >= 0 ) ? KPlus : KMinus; |
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237 aStr.Format( KAngleFormat, &side, TUint( sign ), Abs( angle ), aAngle ); |
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238 } |
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239 } |
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240 |
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241 // ----------------------------------------------------------------------------- |
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242 // ----------------------------------------------------------------------------- |
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243 // |
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244 EXPORT_C HBufC* MnrpUtils::PrintableStringLC( const TDesC& aStr ) |
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245 { |
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246 HBufC* buf = aStr.AllocLC(); |
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247 TPtr string( buf->Des() ); |
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248 for ( TInt i = 0; i < string.Length(); i++ ) |
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249 { |
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250 if ( !TChar( string[i] ).IsPrint() ) |
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251 { |
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252 string[i] = ' '; |
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253 } |
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254 } |
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255 return buf; |
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256 } |
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