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1 /* |
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2 * Copyright (c) 2006-2007 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: Identifies a contact in cache pools |
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15 * |
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16 */ |
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17 |
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18 #ifndef C_PCS_ALGORITHM_2_FILTER_HELPER |
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19 #define C_PCS_ALGORITHM_2_FILTER_HELPER |
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20 |
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21 // SYSTEM INCLUDES |
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22 #include <e32cmn.h> |
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23 #include <e32math.h> |
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24 #include <e32hashtab.h> |
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25 |
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26 // USER INCLUDES |
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27 #include "CPcsDefs.h" |
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28 #include "CPsData.h" |
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29 #include "CPcsAlgorithm2Utils.h" |
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30 #include "CPsPattern.h" |
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31 |
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32 /* |
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33 * Internal structure to store the match patterns |
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34 * and mapping pool index |
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35 */ |
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36 struct TPsSubPattern |
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37 { |
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38 HBufC* matchPattern; // match pattern |
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39 TInt firstOccurenceInThisPattern; // First occurence of this pattern in this patterns |
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40 |
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41 }; |
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42 |
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43 struct TPsPatternDetails |
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44 { |
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45 HBufC* matchPattern; // match pattern |
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46 TInt firstOccurence; // First occurence of this pattern in result set |
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47 TInt poolIndex; |
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48 RPointerArray<TPsSubPattern> subPatternArray; |
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49 |
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50 }; |
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51 |
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52 // CLASS DECLARATION |
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53 class CPcsAlgorithm2FilterHelper : public CBase |
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54 { |
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55 public: |
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56 |
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57 /** |
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58 * Two phase construction |
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59 */ |
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60 static CPcsAlgorithm2FilterHelper* NewL(TSortType aSortType); |
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61 |
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62 /** |
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63 * Destructor |
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64 */ |
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65 virtual ~CPcsAlgorithm2FilterHelper(); |
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66 |
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67 public: |
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68 |
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69 /** |
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70 * Adds the result |
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71 */ |
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72 void AddL(CPsData* psData, RPointerArray<TDesC>& aPatternSequence); |
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73 |
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74 /** |
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75 * Returns the final list of results based on the given sort type |
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76 */ |
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77 void GetResults(RPointerArray<CPsData>& aSearchResults); |
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78 |
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79 /** |
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80 * Returns the final match sequence list |
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81 */ |
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82 void GetPatternsL(RPointerArray<CPsPattern>& aPatternSet); |
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83 |
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84 private: |
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85 |
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86 /** |
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87 * Constructor |
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88 */ |
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89 CPcsAlgorithm2FilterHelper(); |
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90 |
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91 /** |
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92 * 2nd phase construtor |
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93 */ |
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94 void ConstructL(TSortType aSortType); |
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95 |
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96 /** |
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97 * Adds each result into respective pool based on match pattern |
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98 */ |
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99 TInt AddToPoolL(CPsData* psData, RPointerArray<TDesC>& aPatternSequence); |
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100 |
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101 /** |
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102 * Searches for for aSeq in iMatchPatternDetails and returns index |
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103 * where input sequence is found. Returns -1 if not found |
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104 */ |
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105 TInt FindSequence(TDesC* aSeq); |
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106 |
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107 |
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108 /** |
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109 * Searches for for seq in subpatterns of iMatchPatternDetails[aPatternIndex] |
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110 * and returns index where input sequence is found. |
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111 * Returns -1 if not found |
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112 */ |
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113 TInt FindSubSequence(TDesC* aSeq,TInt aPatternIndex); |
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114 |
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115 /** |
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116 * Creates the Matchpattern aSeq in iMatchPatternDetails. |
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117 * Returns the index of the sequence in iMatchPatternDetails |
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118 */ |
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119 TInt CreateMatchPatternDetailsAndPoolsL(TDesC* aSeq); |
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120 |
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121 /** |
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122 * Searches for all the subsequences of aSeq and updates the |
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123 * aFirstOccrVal in iMatchPatternDetails. |
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124 */ |
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125 void UpdateForSubSequencesL(TDesC& aSeq,TInt aFirstOccrVal); |
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126 |
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127 private: |
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128 |
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129 /** |
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130 * Own. Array of TPsPatternDetails structure |
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131 */ |
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132 RPointerArray<TPsPatternDetails> iMatchPatternDetails; |
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133 |
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134 /** |
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135 * Keeps track number of results |
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136 */ |
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137 TInt32 iResultCount; |
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138 |
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139 /** |
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140 * Own. Array of result pools based on match patterns |
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141 */ |
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142 RPointerArray<CPSDATA_R_PTR_ARRAY> iMatchPatternPools; |
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143 |
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144 /** |
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145 * Sort type, either alphabetical or pattern based |
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146 */ |
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147 TSortType iSortType; |
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148 }; |
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149 |
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150 #endif /* C_PCS_ALGORITHM_2_FILTER_HELPER */ |
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151 |
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152 // END OF FILE |