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1 /* |
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2 * Copyright (c) 2005-2007 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: Header file for stringutils |
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15 * |
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16 */ |
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17 |
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18 #ifndef __STRINGUTILS_H__ |
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19 #define __STRINGUTILS_H__ |
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20 |
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21 /** @file stringutils.h |
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22 * stringutils is a DLL that exports some set of genaralized APIs using which |
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23 * user can convert the SYMBIAN descriptors to standard C character/wide-character |
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24 * strings and vice-versa |
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25 */ |
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26 |
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27 //Symbian Headers |
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28 #include <e32cmn.h> |
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29 #include <wchar.h> |
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30 |
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31 /** |
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32 * Aliases : Cconverting HBufC variants to char/wchar_t strings involves |
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33 * similiar procedure to that of converting TBufC variants to char/wchar_t strings. |
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34 * Hence HBufC to char/wchar_t conversion Apis are aliased to their corresponding TBufC |
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35 * counterparts |
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36 */ |
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37 |
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38 |
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39 /** |
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40 * Alias to the function tbufC16towchar |
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41 */ |
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42 #define hbufC16towchar tbufC16towchar |
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43 /** |
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44 * Alias to the function tbufC16tochar |
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45 */ |
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46 #define hbufC16tochar tbufC16tochar |
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47 /** |
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48 * Alias to the function tbufC8towchar |
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49 */ |
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50 #define hbufC8towchar tbufC8towchar |
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51 /** |
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52 * Alias to the function tbufC8tochar |
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53 */ |
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54 #define hbufC8tochar tbufC8tochar |
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55 |
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56 |
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57 //Function prototypes |
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58 |
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59 /** Functions to convert SYMBIAN descriptors to C character and |
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60 * Wide-Character strings |
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61 */ |
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62 |
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63 /** |
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64 * This Api converts the tbuf16 to a wide-character string |
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65 * @param aArg TDes object |
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66 * @return a pointer to a wide-character string |
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67 */ |
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68 IMPORT_C wchar_t* tbuf16towchar(TDes& aArg); |
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69 |
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70 /** |
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71 * This Api converts the tbuf8 to a character string |
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72 * @param aArg TDes8 object |
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73 * @return a pointer to a character string |
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74 */ |
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75 IMPORT_C char* tbuf8tochar(TDes8& aArg); |
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76 |
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77 /** |
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78 * This Api converts the tbuf16 to a character string. It is user |
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79 * responsibality to allocate a required size of char object. Api may |
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80 * resulting in crash, if the destination object size is smaller than |
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81 * that of the source. |
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82 * @param aSrc TDes16 object |
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83 * @param aDes character pointer, to which the resultant string will be copied. |
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84 * @return returns an integer value. |
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85 * @return Api returns -1 in case of any error. |
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86 */ |
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87 IMPORT_C int tbuf16tochar(TDes& aSrc, char* aDes); |
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88 |
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89 /** |
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90 * This Api converts the tbuf8 to a wide-character string. It is user |
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91 * responsibality to allocate a required size of wide-char object. Api may |
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92 * resulting in crash, if the destination object size is smaller than that |
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93 * of the source. |
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94 * @param aSrc TDes8 object |
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95 * @param aDes wide-character pointer, to which the resultant string will be copied. |
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96 * @return returns an integer value. |
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97 * @return Api returns -1 in case of any error. |
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98 */ |
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99 IMPORT_C int tbuf8towchar(TDes8& aSrc, wchar_t* aDes); |
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100 |
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101 /** |
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102 * This Api converts the tbuf16 to a wide-character string. It is user |
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103 * responsibality to allocate a required size of wide-char object. Api may |
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104 * resulting in crash, if the destination object size is smaller than |
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105 * that of the source. |
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106 * @param aSrc TDes16 object |
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107 * @param aDes wide-character pointer, to which the resultant string will be copied. |
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108 * @return none |
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109 */ |
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110 IMPORT_C void tbufC16towchar(TDesC& aSrc ,wchar_t* aDes); |
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111 |
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112 |
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113 /** |
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114 * This Api converts the tbufC8 to a character string. It is user |
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115 * responsibality to allocate a required size of wide-char object. Api may |
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116 * resulting in crash, if the destination object size is smaller than |
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117 * that of the source. |
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118 * @param aSrc TDesC8 object |
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119 * @param aDes character pointer, to which the resultant string will be copied. |
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120 * @return none |
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121 */ |
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122 |
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123 IMPORT_C void tbufC8tochar(TDesC8& aSrc, char* aDes); |
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124 |
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125 /** |
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126 * This Api converts the TBufC16 to a character string. It is user |
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127 * responsibality to allocate a required size of wide-char object. Api may |
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128 * resulting in crash, if the destination object size is smaller than |
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129 * that of the source. |
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130 * @param aSrc TDesC object |
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131 * @param aDes character pointer, to which the resultant string will be copied. |
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132 * @return returns an integer value. |
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133 * @return Api returns -1 in case of any error. |
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134 */ |
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135 IMPORT_C int tbufC16tochar(TDesC& aSrc, char* aDes); |
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136 |
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137 |
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138 /** |
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139 * This Api converts the TBufC8 to a wide-character string. It is user |
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140 * responsibality to allocate a required size of wide-char object. Api may |
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141 * resulting in crash, if the destination object size is smaller than |
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142 * that of the source. |
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143 * @param aSrc TDesC8 object |
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144 * @param aDes wide-character pointer, to which the resultant string will be copied. |
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145 * @return returns an integer value. |
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146 * @return Api returns -1 in case of any error. |
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147 */ |
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148 IMPORT_C int tbufC8towchar(TDesC8& aSrc, wchar_t* aDes); |
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149 |
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150 |
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151 /** |
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152 * Functions to convert C character and |
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153 * Wide-Character strings to SYMBIAN descriptors |
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154 */ |
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155 |
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156 /** |
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157 * This Api converts the wide-char to a TBuf16. It is user responsibality |
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158 * to allocate a required size of TBuf16 object. Api may resulting in crash, |
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159 * if the destination object size is smaller than that of the source. |
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160 * @param aSrc wide-character pointer. |
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161 * @param aDes TBuf16 object, to which the resultant string will be copied. |
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162 * @return none |
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163 */ |
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164 IMPORT_C void wchartotbuf16(const wchar_t *aSrc, TDes16& aDes); |
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165 |
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166 |
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167 /** |
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168 * This Api converts the char to a TBuf16. It is user responsibality |
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169 * to allocate a required size of TBuf16 object. Api may resulting in crash, |
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170 * if the destination object size is smaller than that of the source. |
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171 * @param aSrc character pointer. |
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172 * @param aDes TBuf16 object, to which the resultant string will be copied. |
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173 * @return returns an integer value. |
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174 * @return Api returns -1 in case of any error. |
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175 */ |
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176 IMPORT_C int chartotbuf16(const char* aSrc, TDes16& aDes); |
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177 |
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178 /** |
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179 * This Api converts the wide-char string to a TBuf8. It is user |
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180 * responsibality to allocate a required size of TBuf8 object. Api may |
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181 * resulting in crash, if the destination object size is smaller than |
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182 * that of the source. |
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183 * @param aSrc wide-character pointer. |
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184 * @param aDes TBuf8 object, to which the resultant string will be copied. |
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185 * @return returns an integer value. |
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186 * @return Api returns -1 in case of any error. |
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187 */ |
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188 IMPORT_C int wchartotbuf8(const wchar_t* aSrc, TDes8& aDes); |
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189 |
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190 |
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191 /* |
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192 * This Api converts the character string to a TBuf8. It is user |
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193 * responsibality to allocate a required size of TBuf8 object. Api may |
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194 * resulting in crash, if the destination object size is smaller than |
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195 * that of the source. |
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196 * @param aSrc character pointer. |
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197 * @param aDes TBuf8 object, to which the resultant string will be copied. |
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198 * @return none |
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199 */ |
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200 IMPORT_C void chartotbuf8(const char* aSrc, TDes8& aDes); |
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201 |
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202 |
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203 /** |
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204 * This Api converts the wide-char to a HBufC16. It is user responsibality |
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205 * to allocate a required size of HBufC16 object. Api may resulting in crash, |
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206 * if the destination object size is smaller than that of the source. |
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207 * @param aSrc wide-character pointer. |
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208 * @param aDes HBufC16 object, to which the resultant string will be copied. |
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209 * @return none |
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210 */ |
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211 IMPORT_C void wchartohbufc16(const wchar_t* aSrc, HBufC16& aDes); |
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212 |
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213 |
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214 /** |
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215 * This Api converts the char to a HBufC16. It is user responsibality |
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216 * to allocate a required size of HBufC16 object. Api may resulting in crash, |
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217 * if the destination object size is smaller than that of the source. |
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218 * @param aSrc character pointer. |
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219 * @param aDes HBufC16 object, to which the resultant string will be copied. |
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220 * @return returns an integer value. |
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221 * @return Api returns -1 in case of any error. |
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222 */ |
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223 IMPORT_C int chartohbufc16(const char* aSrc, HBufC16& aDes); |
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224 |
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225 /** |
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226 * This Api converts the wide-char to a HBufC8. It is user responsibality |
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227 * to allocate a required size of HBufC8 object. Api may resulting in crash, |
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228 * if the destination object size is smaller than that of the source. |
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229 * @param aSrc wide-character pointer. |
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230 * @param aDes HBufC8 object, to which the resultant string will be copied. |
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231 * @return returns an integer value. |
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232 * @return Api returns -1 in case of any error. |
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233 */ |
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234 IMPORT_C int wchartohbufc8(const wchar_t* aSrc, HBufC8& aDes); |
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235 |
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236 |
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237 /* |
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238 * This Api converts the char to a HBufC8. It is user responsibality |
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239 * to allocate a required size of HBufC8 object. Api may resulting in crash, |
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240 * if the destination object size is smaller than that of the source. |
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241 * @param aSrc character pointer. |
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242 * @param aDes HBufC8 object, to which the resultant string will be copied. |
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243 * @return none |
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244 */ |
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245 IMPORT_C void chartohbufc8(const char* aSrc, HBufC8& aDes); |
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246 |
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247 |
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248 |
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249 #endif //__STRINGUTILS_H__ |