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1 /* |
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2 * Copyright (c) 2008 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: Contains the source for wstring to Descriptor16 conversions |
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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 |
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20 #include "libutils.h" |
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21 |
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22 |
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23 |
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24 /** |
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25 * Converts a wstring to a descriptor of type TBufc16 |
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26 * |
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27 * @param aSrc is the wstring to be converted , aDes is the |
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28 * reference to the descriptor where the result of conversion |
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29 * is stored |
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30 * @return Status code (0 is ESuccess, -1 is EInsufficientMemory, |
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31 * -3 is EStringNoData ) |
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32 */ |
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33 |
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34 EXPORT_C int WstringToTbuf16(wstring& aSrc, TDes16& aDes) |
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35 { |
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36 int retval = ESuccess; |
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37 const wchar_t* wcharString = aSrc.c_str(); |
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38 |
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39 if (L'\0' == wcharString[0]) |
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40 { |
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41 return EStringNoData; |
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42 } |
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43 |
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44 int len= wcslen(wcharString); |
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45 if ((wcslen(wcharString)) > aDes.MaxLength()) |
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46 if (len > aDes.MaxLength()) |
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47 { |
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48 return EInsufficientMemory; |
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49 } |
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50 |
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51 aDes.Copy((const TUint16*)wcharString); |
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52 |
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53 return retval; |
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54 } |
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55 |
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56 /** |
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57 * Converts a wstring to a descriptor of type TPtr16 |
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58 * |
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59 * @param aSrc is the wstring to be converted , aDes is the |
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60 * reference to the descriptor where the result of conversion |
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61 * is stored |
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62 * @return Status code (0 is ESuccess, -3 is EStringNoData) |
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63 */ |
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64 |
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65 EXPORT_C int WstringToTptr16(wstring& aSrc, TPtr16& aDes ) |
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66 { |
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67 const wchar_t* wcharString = aSrc.c_str(); |
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68 unsigned int wlen = 0 , maxlen =0; |
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69 |
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70 if (L'\0' == wcharString[0]) |
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71 { |
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72 return EStringNoData; |
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73 } |
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74 |
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75 wlen = wcslen(wcharString); |
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76 maxlen = aDes.MaxLength(); |
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77 |
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78 if (maxlen < wlen) |
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79 { |
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80 return EInsufficientMemory; |
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81 } |
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82 |
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83 aDes.Set((unsigned short *)wcharString, wlen, maxlen); |
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84 return ESuccess; |
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85 } |
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86 |
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87 /** |
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88 * Converts a wstring to a descriptor of type TPtrC16 |
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89 * |
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90 * @param aSrc is the wstring to be converted , aDes is the |
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91 * reference to the descriptor where the result of conversion |
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92 * is stored |
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93 * @return Status code (0 is ESuccess,-3 is EStringNoData ) |
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94 */ |
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95 |
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96 EXPORT_C int WstringToTptrc16(wstring& aSrc, TPtrC16& aDes) |
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97 { |
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98 |
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99 const wchar_t* wcharString = aSrc.c_str(); |
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100 |
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101 if (L'\0' == wcharString[0]) |
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102 { |
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103 return EStringNoData; |
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104 } |
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105 |
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106 aDes.Set((TUint16 *)(wcharString)); |
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107 return ESuccess; |
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108 } |
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109 |
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110 /** |
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111 * Converts a wstring to a descriptor of type HBufc16 |
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112 * |
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113 * @param aSrc is the Wstring to be converted , aDes is the |
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114 * reference to the descriptor where the result of conversion |
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115 * is stored |
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116 * @return Status code (0 is ESuccess, -1 is EInsufficientMemory, |
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117 * -3 is EStringNoData ) |
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118 */ |
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119 |
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120 EXPORT_C int WstringToHbufc16(wstring& aSrc, HBufC16* aDes) |
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121 { |
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122 unsigned int ilendes = 0; |
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123 const wchar_t* wcharString = aSrc.c_str(); |
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124 |
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125 if (L'\0' == wcharString[0]) |
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126 { |
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127 return EStringNoData; |
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128 } |
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129 else if (!aDes) |
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130 { |
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131 return EInvalidPointer; |
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132 } |
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133 |
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134 ilendes = aDes->Length(); |
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135 |
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136 if (0 == ilendes) |
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137 { |
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138 return EUseNewMaxL; |
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139 } |
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140 else if (ilendes < wcslen(wcharString)) |
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141 { |
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142 return EInsufficientMemory; |
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143 } |
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144 |
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145 *aDes = (TUint16*)wcharString; |
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146 |
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147 return ESuccess; |
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148 } |
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149 |
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150 /** |
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151 * Converts a wstring to a descriptor of type RBufc16 |
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152 * |
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153 * @param aSrc is the wstring to be converted , aDes is the |
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154 * reference to the descriptor where the result of conversion |
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155 * is stored |
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156 * @return Status code (0 is ESuccess , -3 is EStringNoData ) |
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157 */ |
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158 |
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159 EXPORT_C int WstringToRbuf16(const wstring& aSrc, RBuf16& aDes) |
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160 { |
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161 unsigned int wlen =0; |
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162 int retval = ESuccess; |
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163 const wchar_t* wcharString = aSrc.c_str(); |
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164 |
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165 if (L'\0' == wcharString[0]) |
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166 { |
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167 return EStringNoData; |
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168 } |
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169 |
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170 wlen = wcslen(wcharString); |
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171 |
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172 if (KErrNone == aDes.Create(wlen)) |
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173 { |
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174 aDes.Copy((const unsigned short *)wcharString, wlen); |
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175 } |
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176 else |
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177 { |
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178 retval = EInsufficientSystemMemory; |
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179 } |
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180 |
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181 return retval; |
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182 } |