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1 /* |
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2 * Copyright (c) 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: Utility class to hold the search sequence for predictive search. |
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15 * |
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16 */ |
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17 |
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18 |
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19 // INCLUDE FILES |
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20 #include <s32mem.h> |
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21 #include "CPsQuery.h" |
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22 #include "CPsQueryItem.h" |
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23 #include "CPcsDebug.h" |
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24 |
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25 // ============================== MEMBER FUNCTIONS ============================ |
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26 |
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27 |
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28 // ---------------------------------------------------------------------------- |
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29 // CPsQuery::NewL |
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30 // Two Phase constructor |
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31 // ---------------------------------------------------------------------------- |
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32 EXPORT_C CPsQuery* CPsQuery::NewL() |
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33 { |
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34 CPsQuery* self = new (ELeave) CPsQuery(); |
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35 CleanupStack::PushL(self); |
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36 self->ConstructL(); |
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37 CleanupStack::Pop(); |
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38 return self; |
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39 |
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40 } |
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41 |
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42 // ---------------------------------------------------------------------------- |
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43 // CPsQuery::CPsQuery |
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44 // Default constructor |
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45 // ---------------------------------------------------------------------------- |
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46 CPsQuery::CPsQuery() |
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47 { |
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48 } |
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49 |
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50 // ---------------------------------------------------------------------------- |
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51 // CPsQuery::ConstructL |
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52 // Two phase construction |
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53 // ---------------------------------------------------------------------------- |
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54 void CPsQuery::ConstructL() |
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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 // CPsQuery::~CPsQuery |
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60 // Destructor |
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61 // ---------------------------------------------------------------------------- |
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62 EXPORT_C CPsQuery::~CPsQuery() |
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63 { |
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64 Reset(); |
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65 } |
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66 |
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67 // ---------------------------------------------------------------------------- |
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68 // CPsQuery::InsertL |
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69 // Add a query item to the search sequence |
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70 // ---------------------------------------------------------------------------- |
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71 EXPORT_C void CPsQuery::InsertL(const CPsQueryItem& aQueryItem, TInt aIndex) |
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72 { |
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73 if( (aIndex >= 0) |
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74 && (aIndex <= (iSearchQuery.Count() + 1)) |
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75 && (this->Count() < KPsQueryMaxLen) ) |
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76 { |
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77 iSearchQuery.Insert(&aQueryItem, aIndex); |
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78 } |
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79 } |
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80 |
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81 // ---------------------------------------------------------------------------- |
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82 // CPsQuery::AppendL |
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83 // Appends a query item to the search sequence |
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84 // ---------------------------------------------------------------------------- |
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85 EXPORT_C void CPsQuery::AppendL(const CPsQueryItem& aQueryItem) |
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86 { |
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87 if(this->Count() < KPsQueryMaxLen ) |
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88 iSearchQuery.AppendL(&aQueryItem); |
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89 } |
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90 |
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91 // ---------------------------------------------------------------------------- |
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92 // CPsQuery::GetItemAtL |
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93 // Returns the query item at the specified index |
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94 // ---------------------------------------------------------------------------- |
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95 EXPORT_C CPsQueryItem& CPsQuery:: GetItemAtL(TInt aIndex) |
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96 { |
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97 if ( aIndex < 0 && aIndex >= iSearchQuery.Count()) |
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98 { |
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99 User::Leave(KErrArgument); |
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100 } |
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101 |
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102 return (*(iSearchQuery[aIndex])); |
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103 } |
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104 |
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105 // ---------------------------------------------------------------------------- |
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106 // CPsQuery::QueryAsStringL |
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107 // Returns the search sequence |
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108 // ---------------------------------------------------------------------------- |
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109 EXPORT_C TDesC& CPsQuery:: QueryAsStringLC() |
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110 { |
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111 HBufC* query = HBufC::NewLC(KPsQueryMaxLen); |
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112 |
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113 for(TInt arrayIndex =0 ; arrayIndex < iSearchQuery.Count();arrayIndex++) |
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114 { |
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115 query->Des().Append((iSearchQuery[arrayIndex])->Character()); |
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116 } |
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117 |
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118 return *query; |
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119 } |
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120 |
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121 // ---------------------------------------------------------------------------- |
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122 // CPsQuery::Remove |
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123 // Deletes the query item at the specified index |
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124 // ---------------------------------------------------------------------------- |
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125 EXPORT_C void CPsQuery:: Remove(TInt aIndex) |
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126 { |
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127 if (aIndex >= 0 && aIndex <= (iSearchQuery.Count() - 1)) |
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128 { |
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129 delete iSearchQuery[aIndex]; |
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130 iSearchQuery.Remove(aIndex); |
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131 } |
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132 } |
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133 |
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134 // ---------------------------------------------------------------------------- |
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135 // CPsQuery::Reset |
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136 // Deletes the entire search query |
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137 // ---------------------------------------------------------------------------- |
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138 EXPORT_C void CPsQuery:: Reset() |
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139 { |
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140 for ( TInt arrayIndex = 0; arrayIndex < iSearchQuery.Count(); arrayIndex++ ) |
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141 { |
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142 delete iSearchQuery[arrayIndex]; |
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143 } |
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144 iSearchQuery.Reset(); |
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145 } |
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146 |
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147 // ---------------------------------------------------------------------------- |
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148 // CPsQuery::KeyboardModeL |
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149 // Returns the keyboard input mode for the search query |
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150 // ---------------------------------------------------------------------------- |
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151 EXPORT_C TKeyboardModes CPsQuery:: KeyboardModeL() |
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152 { |
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153 TKeyboardModes keyboardMode = EModeUndefined; |
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154 |
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155 if(iSearchQuery.Count() > 0) |
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156 { |
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157 keyboardMode = iSearchQuery[0]->Mode(); |
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158 for(TInt arrayIndex =1 ; arrayIndex < iSearchQuery.Count() ;arrayIndex++) |
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159 { |
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160 if(keyboardMode != iSearchQuery[arrayIndex]->Mode()) |
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161 { |
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162 keyboardMode = EModeUndefined; |
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163 break; |
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164 } |
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165 } |
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166 } |
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167 |
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168 return keyboardMode; |
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169 } |
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170 |
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171 // ---------------------------------------------------------------------------- |
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172 // CPsQuery::Count |
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173 // Returns the length of the query |
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174 // ---------------------------------------------------------------------------- |
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175 EXPORT_C TInt CPsQuery:: Count() |
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176 { |
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177 return (iSearchQuery.Count()); |
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178 } |
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179 |
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180 // ---------------------------------------------------------------------------- |
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181 // Deprecated: Use CPcsDebug::PrintQuery |
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182 // CPsQuery::PrintQuery |
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183 // Prints the query as array of query items (query items cannot be spaces) |
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184 // Used only for debugging |
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185 // ---------------------------------------------------------------------------- |
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186 EXPORT_C void CPsQuery:: PrintQuery() |
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187 { |
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188 PRINT1 ( _L("CPsQuery::PrintQuery: Number of items : %d"), iSearchQuery.Count()); |
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189 for(TInt i = 0; i < iSearchQuery.Count(); i++) |
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190 { |
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191 TUint inputKey = iSearchQuery[i]->Character().GetUpperCase(); |
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192 TBuf<2> buffer; |
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193 buffer.Format(_L("%c"), inputKey); |
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194 switch(iSearchQuery[i]->Mode()) |
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195 { |
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196 case EItut: |
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197 PRINT2 ( _L("Character at index %d: '%S' (ITU-T)"), i, &buffer); |
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198 break; |
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199 case EQwerty: |
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200 PRINT2 ( _L("Character at index %d: '%S' (QWERTY)"), i, &buffer); |
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201 break; |
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202 default: |
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203 PRINT2 ( _L("Character at index %d: '%S' (mode=?)"), i, &buffer); |
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204 break; |
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205 } |
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206 } |
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207 } |
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208 |
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209 // ---------------------------------------------------------------------------- |
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210 // CPsQuery::ExternalizeL |
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211 // Writes 'this' to aStream |
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212 // ---------------------------------------------------------------------------- |
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213 EXPORT_C void CPsQuery::ExternalizeL(RWriteStream& aStream) const |
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214 { |
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215 aStream.WriteUint8L(iSearchQuery.Count()); // Number of query items |
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216 for ( int index = 0; index < iSearchQuery.Count(); index++ ) |
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217 { |
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218 (iSearchQuery[index])->ExternalizeL(aStream); |
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219 } |
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220 } |
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221 |
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222 // ---------------------------------------------------------------------------- |
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223 // CPsQuery::InternalizeL |
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224 // Initializes 'this' with the contents of aStream |
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225 // ---------------------------------------------------------------------------- |
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226 EXPORT_C void CPsQuery::InternalizeL(RReadStream& aStream) |
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227 { |
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228 // Read number of query items |
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229 TInt numQueryItems = aStream.ReadUint8L(); |
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230 |
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231 // Internalize each item |
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232 for ( int index = 0; index < numQueryItems; index++ ) |
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233 { |
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234 CPsQueryItem *item = CPsQueryItem::NewL(); |
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235 item->InternalizeL(aStream); |
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236 this->AppendL(*item); |
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237 } |
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238 } |
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239 |