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1 /* |
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2 * Copyright (c) 2009 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: |
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15 * This file contains implementation file of the Data and ParameterList classes. |
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16 */ |
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17 |
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18 // INCLUDES |
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19 #include "common.h" |
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20 #include "util.h" |
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21 |
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22 // Maximum time to wait |
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23 long g_MaximumShutdownWaitTime; |
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24 |
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25 DWORD g_ErrorCode = NO_ERRORS; |
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26 |
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27 //********************************************************************************** |
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28 // Class Data |
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29 // |
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30 // This class provides data encapsulattion for DataGateway |
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31 //********************************************************************************** |
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32 |
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33 Data::Data(const void* data_in, DWORD length, DataType type) |
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34 { |
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35 SetData(data_in, length, 0, type); |
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36 } |
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37 |
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38 |
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39 Data::Data(const void* data_in, DWORD length, DWORD offset, DataType type) |
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40 { |
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41 SetData(data_in, length, offset, type); |
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42 } |
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43 |
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44 Data::Data(const Data& data) |
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45 { |
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46 SetData(data.GetData(), data.GetLength(), 0, data.GetType()); |
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47 } |
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48 |
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49 Data::~Data() |
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50 { |
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51 if (m_pData != NULL) |
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52 { |
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53 delete[] m_pData; |
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54 m_pData = NULL; |
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55 } |
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56 } |
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57 |
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58 /* |
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59 * This method is used to delete data and set data type to EEmpty |
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60 */ |
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61 void Data::FreeData() |
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62 { |
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63 if (m_pData != NULL) |
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64 { |
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65 delete[] m_pData; |
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66 m_pData = NULL; |
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67 m_Type = EEmpty; |
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68 } |
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69 } |
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70 |
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71 /* |
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72 * returns data in Data object given parameter |
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73 */ |
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74 void* Data::GetData(void *data_out) const |
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75 { |
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76 if (data_out != NULL) |
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77 { |
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78 data_out = m_pData; |
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79 } |
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80 return m_pData; |
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81 } |
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82 |
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83 /* |
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84 * returns length of data |
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85 */ |
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86 DWORD Data::GetLength() const |
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87 { |
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88 return m_dwLength; |
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89 } |
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90 |
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91 /* |
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92 * returns type of data |
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93 * can be one of the following: EEmpty, EControl, EError, EData |
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94 */ |
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95 Data::DataType Data::GetType() const |
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96 { |
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97 return m_Type; |
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98 } |
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99 |
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100 /* |
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101 * This method copies up to length bytes from given data object to class member data object |
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102 */ |
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103 bool Data::SetData(const void* data_in, DWORD length, DataType type) |
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104 { |
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105 return SetData(data_in, length, 0, type); |
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106 } |
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107 |
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108 /* |
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109 * This method copies up to length bytes(starting from offset) from given data object to class member data object |
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110 */ |
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111 bool Data::SetData(const void* data_in, DWORD length, DWORD offset, DataType type) |
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112 { |
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113 m_Type = type; |
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114 if (length == 0 || data_in == NULL || offset >= length) |
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115 { |
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116 m_pData = NULL; |
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117 return true; |
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118 } |
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119 m_dwLength = (length - offset); |
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120 m_pData = new BYTE[m_dwLength]; |
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121 if (m_pData == NULL) |
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122 { |
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123 Util::Error("Error allocating memory to data object"); |
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124 m_Type = EEmpty; |
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125 return false; |
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126 } |
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127 memset(m_pData, 0, m_dwLength); |
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128 memcpy(m_pData, &reinterpret_cast<const char*>(data_in)[offset], m_dwLength); |
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129 return false; |
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130 } |
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131 |
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132 /* |
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133 * Used to combine different messages into one. |
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134 * This method appends new data at the end of already excisting data. |
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135 * If new data isn't same type as excisting data it isn't appended. |
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136 * Returns bool value of whether the method has succeeded to append the data or not. |
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137 */ |
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138 bool Data::AppendData(Data* aData) |
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139 { |
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140 if ( m_Type == aData->m_Type ) |
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141 { |
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142 //realloc memory |
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143 BYTE* newBlock = (BYTE*) realloc( m_pData, m_dwLength + aData->m_dwLength ); |
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144 if ( newBlock != NULL ) |
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145 { |
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146 //set new data |
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147 m_pData = newBlock; |
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148 //copy data |
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149 memcpy( ((BYTE*)m_pData) + m_dwLength, |
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150 aData->GetData(), |
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151 aData->GetLength() ); |
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152 //update length |
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153 m_dwLength += aData->GetLength(); |
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154 return true; |
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155 } |
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156 } |
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157 return false; |
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158 } |
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159 |
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160 //********************************************************************************** |
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161 // Class ParameterList |
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162 // |
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163 //********************************************************************************** |
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164 |
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165 |
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166 ParameterList::ParameterList() |
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167 { |
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168 } |
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169 |
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170 ParameterList::~ParameterList() |
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171 { |
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172 m_Map.clear(); |
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173 } |
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174 |
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175 void ParameterList::Add(const string& key, const void* value) |
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176 { |
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177 m_Map[key] = value; |
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178 } |
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179 |
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180 const void* ParameterList::Get(const string& key) |
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181 { |
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182 return m_Map[key]; |
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183 } |
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184 |
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185 // End of the file |