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1 /* |
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2 * Copyright (c) 2001-2006 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 the License "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: EAP and WLAN authentication protocols. |
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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 |
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21 #if !defined(_EAP_ARRAY_ALGORITHMS_H_) |
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22 #define _EAP_ARRAY_ALGORITHMS_H_ |
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23 |
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24 #include "eap_am_memory.h" |
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25 #include "eap_am_export.h" |
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26 #include "eap_tools.h" |
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27 #include "eap_am_tools.h" |
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28 #include "eap_array.h" |
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29 |
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30 /** @file */ |
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31 |
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32 //-------------------------------------------------- |
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33 |
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34 #if defined(_WIN32) && !defined(__GNUC__) |
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35 #pragma warning( disable : 4275 ) // ingnores non dll-interface class 'abs_eap_array_compare_c<class eap_fast_pac_store_data_c>' used as base for dll-interface class 'eap_fast_pac_store_data_compare_A_ID_reference_c' |
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36 #endif |
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37 |
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38 template <class Type> |
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39 class EAP_EXPORT abs_eap_array_compare_c |
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40 { |
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41 |
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42 public: |
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43 |
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44 virtual ~abs_eap_array_compare_c() |
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45 { |
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46 } |
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47 |
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48 virtual i32_t compare(const Type * const original_object_from_array, const Type * const searched_data) const = 0; |
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49 }; |
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50 |
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51 |
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52 //-------------------------------------------------- |
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53 //-------------------------------------------------- |
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54 //-------------------------------------------------- |
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55 |
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56 /** |
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57 * This template function copies class objects from original_array to copy_array. |
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58 * Type must have the following member functions: |
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59 * Type * copy(); |
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60 * bool get_is_valid(); |
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61 * bool get_is_valid_data(); |
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62 */ |
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63 template <class Type> |
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64 eap_status_e copy( |
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65 EAP_TEMPLATE_CONST eap_array_c<Type> * const original_array, ///< Stupid Windows compiler cannot compile "const eap_array_c<Type> * const". |
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66 eap_array_c<Type> * const copy_array, |
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67 abs_eap_am_tools_c * const m_am_tools, |
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68 const bool when_true_add_objects) |
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69 { |
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70 EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT); |
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71 |
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72 eap_status_e status = eap_status_ok; // Note original_array may be empty, then for loop will not be run. |
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73 |
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74 if (when_true_add_objects == false) |
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75 { |
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76 copy_array->reset(); |
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77 } |
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78 |
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79 for (u32_t ind = 0; ind < original_array->get_object_count(); ind++) |
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80 { |
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81 Type * const orig_object = original_array->get_object(ind); |
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82 if (orig_object == 0 |
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83 || orig_object->get_is_valid() == false) |
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84 { |
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85 EAP_UNREFERENCED_PARAMETER(m_am_tools); |
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86 EAP_TRACE_DEBUG( |
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87 m_am_tools, |
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88 TRACE_FLAGS_DEFAULT, |
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89 (EAPL("copy: orig_object=0x%08x, orig_object->get_is_valid()=%d"), |
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90 orig_object, |
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91 (orig_object != 0) ? orig_object->get_is_valid(): false)); |
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92 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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93 return EAP_STATUS_RETURN(m_am_tools, eap_status_illegal_parameter); |
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94 } |
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95 |
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96 Type * const copy_object = orig_object->copy(); |
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97 if (copy_object == 0 |
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98 || copy_object->get_is_valid() == false) |
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99 { |
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100 delete copy_object; |
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101 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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102 return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error); |
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103 } |
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104 |
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105 // Note the original object might be empty without data. |
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106 if (orig_object->get_is_valid_data() == true |
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107 && copy_object->get_is_valid_data() == false) |
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108 { |
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109 delete copy_object; |
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110 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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111 return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error); |
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112 } |
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113 |
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114 status = copy_array->add_object(copy_object, true); |
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115 if (status != eap_status_ok) |
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116 { |
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117 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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118 return EAP_STATUS_RETURN(m_am_tools, status); |
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119 } |
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120 } |
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121 |
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122 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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123 return EAP_STATUS_RETURN(m_am_tools, status); |
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124 } |
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125 |
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126 |
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127 //-------------------------------------------------- |
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128 |
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129 |
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130 /** |
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131 * This template function copies simple objects from original_array to copy_array. |
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132 * Simple types are u16_t, eap_status_e, ... |
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133 */ |
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134 template <class Type> |
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135 eap_status_e copy_simple( |
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136 EAP_TEMPLATE_CONST eap_array_c<Type> * const original_array, ///< Stupid Windows compiler cannot compile "const eap_array_c<Type> * const". |
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137 eap_array_c<Type> * const copy_array, |
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138 abs_eap_am_tools_c * const m_am_tools, |
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139 const bool when_true_add_objects) |
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140 { |
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141 EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT); |
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142 |
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143 eap_status_e status = eap_status_ok; // Note original_array may be empty, then for loop will not be run. |
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144 |
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145 if (when_true_add_objects == false) |
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146 { |
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147 copy_array->reset(); |
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148 } |
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149 |
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150 for (u32_t ind = 0; ind < original_array->get_object_count(); ind++) |
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151 { |
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152 Type * original_object = original_array->get_object(ind); |
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153 if (original_object == 0) |
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154 { |
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155 EAP_UNREFERENCED_PARAMETER(m_am_tools); |
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156 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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157 return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error); |
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158 } |
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159 |
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160 Type * copy_object = new Type; |
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161 if (copy_object == 0) |
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162 { |
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163 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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164 return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error); |
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165 } |
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166 |
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167 *copy_object = *original_object; |
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168 |
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169 status = copy_array->add_object(copy_object, true); |
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170 if (status != eap_status_ok) |
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171 { |
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172 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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173 return EAP_STATUS_RETURN(m_am_tools, status); |
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174 } |
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175 } |
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176 |
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177 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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178 return EAP_STATUS_RETURN(m_am_tools, status); |
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179 } |
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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 * This template function copies data of objects to a eap_variable_data_c object. |
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185 */ |
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186 template <class Type> |
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187 eap_status_e add_data( |
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188 EAP_TEMPLATE_CONST eap_array_c<Type> * const source_array, ///< Stupid Windows compiler cannot compile "const eap_array_c<Type> * const". |
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189 eap_variable_data_c * const buffer, |
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190 abs_eap_am_tools_c * const m_am_tools) |
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191 { |
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192 EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT); |
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193 |
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194 eap_status_e status = eap_status_ok; // Note source_array may be empty, then for loop will not be run. |
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195 |
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196 for (u32_t ind = 0; ind < source_array->get_object_count(); ind++) |
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197 { |
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198 Type * original_object = source_array->get_object(ind); |
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199 if (original_object == 0) |
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200 { |
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201 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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202 return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error); |
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203 } |
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204 |
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205 status = buffer->add_data( |
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206 original_object->get_data(original_object->get_data_length()), |
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207 original_object->get_data_length()); |
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208 if (status != eap_status_ok) |
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209 { |
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210 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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211 return EAP_STATUS_RETURN(m_am_tools, status); |
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212 } |
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213 |
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214 EAP_TRACE_DATA_DEBUG(m_am_tools, TRACE_FLAGS_DEFAULT, (EAPL("data"), |
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215 original_object->get_data(original_object->get_data_length()), |
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216 original_object->get_data_length())); |
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217 } |
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218 |
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219 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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220 return EAP_STATUS_RETURN(m_am_tools, status); |
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221 } |
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222 |
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223 //-------------------------------------------------- |
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224 |
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225 /** |
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226 * This template function copies simple data of objects to a eap_variable_data_c object. |
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227 */ |
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228 template <class Type> |
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229 eap_status_e add_simple_data( |
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230 EAP_TEMPLATE_CONST eap_array_c<Type> * const source_array, ///< Stupid Windows compiler cannot compile "const eap_array_c<Type> * const". |
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231 eap_variable_data_c * const buffer, |
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232 abs_eap_am_tools_c * const m_am_tools) |
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233 { |
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234 EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT); |
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235 |
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236 eap_status_e status = eap_status_ok; // Note source_array may be empty, then for loop will not be run. |
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237 |
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238 for (u32_t ind = 0; ind < source_array->get_object_count(); ind++) |
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239 { |
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240 Type * original_object = source_array->get_object(ind); |
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241 if (original_object == 0) |
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242 { |
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243 EAP_UNREFERENCED_PARAMETER(m_am_tools); |
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244 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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245 return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error); |
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246 } |
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247 |
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248 status = buffer->add_data( |
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249 original_object, |
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250 sizeof(*original_object)); |
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251 if (status != eap_status_ok) |
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252 { |
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253 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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254 return EAP_STATUS_RETURN(m_am_tools, status); |
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255 } |
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256 |
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257 EAP_TRACE_DATA_DEBUG(m_am_tools, TRACE_FLAGS_DEFAULT, (EAPL("data"), |
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258 original_object, |
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259 sizeof(*original_object))); |
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260 } |
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261 |
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262 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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263 return EAP_STATUS_RETURN(m_am_tools, status); |
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264 } |
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265 |
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266 //-------------------------------------------------- |
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267 |
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268 /** |
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269 * This template function searches the supplied array for given object. |
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270 * Function returns the index to the found object or -1 if not found or there |
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271 * is some other error. |
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272 * Type must have the following member functions: |
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273 * i32_t compare(const Type * const data) |
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274 */ |
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275 template <class Type> |
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276 const i32_t find( |
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277 EAP_TEMPLATE_CONST eap_array_c<Type> * const original_array, ///< Stupid Windows compiler cannot compile "const eap_array_c<Type> * const". |
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278 const Type * const searched_data, |
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279 abs_eap_am_tools_c * const m_am_tools) |
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280 { |
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281 EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT); |
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282 EAP_UNREFERENCED_PARAMETER(m_am_tools); |
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283 |
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284 i32_t index = -1; |
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285 for (u32_t ind = 0; ind < original_array->get_object_count(); ind++) |
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286 { |
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287 Type * original_object = original_array->get_object(ind); |
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288 if (original_object == 0) |
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289 { |
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290 index = -1; |
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291 break; |
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292 } |
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293 if (!original_object->compare(const_cast<Type *> (searched_data))) |
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294 { |
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295 // Found it |
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296 index = ind; |
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297 break; |
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298 } |
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299 } |
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300 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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301 return index; |
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302 } |
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303 |
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304 //-------------------------------------------------- |
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305 |
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306 /** |
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307 * This template function searches the supplied array for given object starting from the last index. |
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308 * Function returns the index to the found object or -1 if not found or there |
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309 * is some other error. |
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310 * Type must have the following member functions: |
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311 * i32_t compare(const Type * const data) |
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312 */ |
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313 template <class Type> |
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314 const i32_t find_next( |
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315 const i32_t last_index, |
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316 EAP_TEMPLATE_CONST eap_array_c<Type> * const original_array, ///< Stupid Windows compiler cannot compile "const eap_array_c<Type> * const". |
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317 const Type * const searched_data, |
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318 abs_eap_am_tools_c * const m_am_tools) |
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319 { |
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320 EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT); |
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321 EAP_UNREFERENCED_PARAMETER(m_am_tools); |
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322 |
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323 i32_t index = -1; |
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324 for (u32_t ind = last_index+1; ind < original_array->get_object_count(); ind++) |
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325 { |
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326 Type * original_object = original_array->get_object(ind); |
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327 if (original_object == 0) |
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328 { |
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329 index = -1; |
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330 break; |
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331 } |
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332 if (!original_object->compare(const_cast<Type *> (searched_data))) |
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333 { |
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334 // Found it |
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335 index = ind; |
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336 break; |
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337 } |
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338 } |
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339 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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340 return index; |
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341 } |
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342 |
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343 //-------------------------------------------------- |
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344 |
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345 /** |
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346 * This template function searches the supplied array for given object. |
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347 * Function returns the index to the found object or -1 if not found or there |
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348 * is some other error. |
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349 * Type must have the following member functions: |
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350 * i32_t compare(const Type * const data) |
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351 */ |
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352 template <class Type> |
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353 const i32_t find_with_compare( |
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354 const abs_eap_array_compare_c<Type> * const compare, |
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355 EAP_TEMPLATE_CONST eap_array_c<Type> * const original_array, ///< Stupid Windows compiler cannot compile "const eap_array_c<Type> * const". |
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356 const Type * const searched_data, |
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357 abs_eap_am_tools_c * const m_am_tools) |
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358 { |
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359 EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT); |
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360 EAP_UNREFERENCED_PARAMETER(m_am_tools); |
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361 |
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362 i32_t index = -1; |
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363 for (u32_t ind = 0; ind < original_array->get_object_count(); ind++) |
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364 { |
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365 Type * original_object = original_array->get_object(ind); |
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366 if (original_object == 0) |
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367 { |
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368 index = -1; |
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369 break; |
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370 } |
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371 |
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372 if (!compare->compare(original_object, searched_data)) |
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373 { |
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374 // Found it |
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375 index = ind; |
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376 break; |
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377 } |
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378 } |
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379 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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380 return index; |
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381 } |
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382 |
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383 //-------------------------------------------------- |
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384 |
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385 /** |
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386 * This template function searches the supplied array for given object starting from the last index. |
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387 * Function returns the index to the found object or -1 if not found or there |
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388 * is some other error. |
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389 * Type must have the following member functions: |
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390 * i32_t compare(const Type * const data) |
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391 */ |
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392 template <class Type> |
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393 const i32_t find_next_with_compare( |
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394 const i32_t last_index, |
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395 const abs_eap_array_compare_c<Type> * const compare, |
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396 EAP_TEMPLATE_CONST eap_array_c<Type> * const original_array, ///< Stupid Windows compiler cannot compile "const eap_array_c<Type> * const". |
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397 const Type * const searched_data, |
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398 abs_eap_am_tools_c * const m_am_tools) |
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399 { |
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400 EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT); |
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401 EAP_UNREFERENCED_PARAMETER(m_am_tools); |
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402 |
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403 i32_t index = -1; |
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404 for (u32_t ind = last_index+1; ind < original_array->get_object_count(); ind++) |
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405 { |
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406 Type * original_object = original_array->get_object(ind); |
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407 if (original_object == 0) |
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408 { |
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409 index = -1; |
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410 break; |
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411 } |
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412 |
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413 if (!compare->compare(original_object, searched_data)) |
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414 { |
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415 // Found it |
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416 index = ind; |
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417 break; |
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418 } |
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419 } |
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420 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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421 return index; |
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422 } |
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423 |
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424 //-------------------------------------------------- |
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425 |
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426 /** |
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427 * This template function searches the supplied array for given simple type object. |
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428 * Simple types are u16_t, eap_status_e, ... |
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429 * It returns the index to the found object or -1 if not found or there |
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430 * is some other error. |
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431 */ |
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432 template <class Type> |
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433 const i32_t find_simple( |
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434 EAP_TEMPLATE_CONST eap_array_c<Type> * const original_array, ///< Stupid Windows compiler cannot compile "const eap_array_c<Type> * const". |
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435 const Type * const searched_data, |
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436 abs_eap_am_tools_c * const m_am_tools) |
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437 { |
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438 EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT); |
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439 EAP_UNREFERENCED_PARAMETER(m_am_tools); |
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440 |
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441 i32_t index = -1; |
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442 for (u32_t ind = 0; ind < original_array->get_object_count(); ind++) |
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443 { |
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444 Type * original_object = original_array->get_object(ind); |
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445 if (original_object == 0) |
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446 { |
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447 index = -1; |
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448 break; |
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449 } |
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450 if (*original_object == *searched_data) |
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451 { |
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452 // Found it |
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453 index = ind; |
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454 break; |
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455 } |
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456 |
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457 } |
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458 |
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459 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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460 return index; |
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461 } |
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462 |
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463 //-------------------------------------------------- |
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464 |
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465 /** |
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466 * This template function searches the supplied array for given simple type object. |
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467 * Simple types are u16_t, eap_status_e, ... |
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468 * It returns the index to the found object or -1 if not found or there |
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469 * is some other error. |
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470 */ |
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471 template <class Type> |
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472 const i32_t find_next_simple( |
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473 const i32_t last_index, |
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474 EAP_TEMPLATE_CONST eap_array_c<Type> * const original_array, ///< Stupid Windows compiler cannot compile "const eap_array_c<Type> * const". |
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475 const Type * const searched_data, |
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476 abs_eap_am_tools_c * const m_am_tools) |
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477 { |
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478 EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT); |
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479 EAP_UNREFERENCED_PARAMETER(m_am_tools); |
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480 |
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481 i32_t index = -1; |
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482 for (u32_t ind = last_index+1; ind < original_array->get_object_count(); ind++) |
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483 { |
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484 Type * original_object = original_array->get_object(ind); |
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485 if (original_object == 0) |
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486 { |
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487 index = -1; |
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488 break; |
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489 } |
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490 if (*original_object == *searched_data) |
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491 { |
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492 // Found it |
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493 index = ind; |
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494 break; |
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495 } |
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496 |
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497 } |
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498 |
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499 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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500 return index; |
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501 } |
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502 |
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503 //-------------------------------------------------- |
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504 |
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505 /** |
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506 * Template function for_each() runs supplied function to all type objects of the supplied array. |
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507 */ |
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508 template <class Type> |
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509 eap_status_e for_each( |
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510 EAP_TEMPLATE_CONST eap_array_c<Type> * const original_array, ///< Stupid Windows compiler cannot compile "const eap_array_c<Type> * const". |
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511 eap_status_e (*function)( |
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512 Type * const value, |
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513 abs_eap_am_tools_c * const m_am_tools), |
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514 abs_eap_am_tools_c * const m_am_tools, |
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515 const bool do_not_care_errors) |
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516 { |
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517 EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT); |
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518 |
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519 eap_status_e status = eap_status_ok; // Note original_array may be empty, then for loop will not be run. |
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520 |
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521 EAP_TRACE_DEBUG( |
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522 m_am_tools, |
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523 TRACE_FLAGS_DEFAULT, |
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524 (EAPL("for_each(): function=0x%08x.\n"), |
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525 function)); |
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526 |
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527 |
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528 for (u32_t ind = 0; ind < original_array->get_object_count(); ind++) |
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529 { |
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530 Type * original_object = original_array->get_object(ind); |
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531 |
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532 EAP_TRACE_DEBUG( |
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533 m_am_tools, |
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534 TRACE_FLAGS_DEFAULT, |
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535 (EAPL("for_each(): object=0x%08x, ") |
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536 EAPL("function=0x%08x.\n"), |
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537 original_object, |
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538 function)); |
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539 |
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540 if (do_not_care_errors == false |
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541 && original_object == 0) |
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542 { |
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543 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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544 return EAP_STATUS_RETURN(m_am_tools, eap_status_process_general_error); |
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545 } |
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546 else if (original_object != 0) |
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547 { |
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548 status = function(original_object, m_am_tools); |
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549 |
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550 if (do_not_care_errors == false |
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551 && status != eap_status_ok) |
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552 { |
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553 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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554 return EAP_STATUS_RETURN(m_am_tools, status); |
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555 } |
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556 } |
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557 } |
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558 |
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559 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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560 return EAP_STATUS_RETURN(m_am_tools, status); |
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561 } |
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562 |
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563 //-------------------------------------------------- |
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564 |
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565 #endif //#if !defined(_EAP_ARRAY_ALGORITHMS_H_) |
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566 |
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567 |
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568 //-------------------------------------------------- |
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569 |
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570 |
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571 |
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572 // End. |