1 | /**************************************************************************
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2 | *
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3 | * FIvfLevelInfo.cpp -- File functions for document levels
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4 | * Copyright (C) 1999 Rodger McNab
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5 | *
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6 | * This program is free software; you can redistribute it and/or modify
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7 | * it under the terms of the GNU General Public License as published by
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8 | * the Free Software Foundation; either version 2 of the License, or
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9 | * (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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19 | *
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20 | **************************************************************************/
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21 |
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22 | #include "FIvfLevelInfo.h"
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23 |
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24 |
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25 | IvfLevelInfo::IvfLevelInfo () {
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26 | Clear();
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27 | }
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28 |
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29 | void IvfLevelInfo::Clear () {
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30 | levelTag.erase (levelTag.begin(), levelTag.end());
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31 | numEntries = 0;
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32 | approxWeightsDiskPtr = 0;
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33 | exactWeightsDiskPtr = 0;
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34 | workInLevel = false;
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35 | }
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36 |
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37 | bool IvfLevelInfo::Read (FILE *f) {
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38 | workInLevel = false;
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39 | return (ReadUCArray (f, levelTag) &&
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40 | ReadUL (f, numEntries) &&
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41 | ReadUL (f, approxWeightsDiskPtr) &&
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42 | ReadUL (f, exactWeightsDiskPtr));
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43 | }
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44 |
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45 | bool IvfLevelInfo::Write (FILE *f) const {
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46 | return (WriteUCArray (f, levelTag) &&
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47 | WriteUL (f, numEntries) &&
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48 | WriteUL (f, approxWeightsDiskPtr) &&
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49 | WriteUL (f, exactWeightsDiskPtr));
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50 | }
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51 |
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52 | // stream output for debugging purposes
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53 | ostream &operator<<(ostream &s, const IvfLevelInfo &l) {
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54 | s << " Tag: \"" << l.levelTag << "\"\n"
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55 | << " numEntries: " << l.numEntries << "\n"
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56 | << " approxWeightsDiskPtr: " << l.approxWeightsDiskPtr << "\n"
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57 | << " exactWeightsDiskPtr: " << l.exactWeightsDiskPtr << "\n"
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58 | << " workInLevel: " << ((l.workInLevel) ? "true" : "false") << "\n\n";
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59 |
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60 | return s;
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61 | }
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62 |
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63 |
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64 |
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65 | FIvfLevel::FIvfLevel () {
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66 | Clear ();
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67 | }
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68 |
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69 | void FIvfLevel::Clear () {
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70 | docTag.erase (docTag.begin(), docTag.end());
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71 | indexLevel.erase (indexLevel.begin(), indexLevel.end());
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72 | levelInfo.erase (levelInfo.begin(), levelInfo.end());
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73 | }
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74 |
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75 | bool FIvfLevel::Read (FILE *f) {
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76 | if (!ReadUCArray (f, docTag) ||
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77 | !ReadUCArray (f, indexLevel))
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78 | return false;
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79 |
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80 | // read in the array size
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81 | unsigned long arrSize = 0;
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82 | if (!ReadVarLenUL (f, arrSize)) return false;
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83 |
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84 | IvfLevelInfo thisLevel;
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85 | while (arrSize > 0) {
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86 | // read and insert the next level information
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87 | if (!thisLevel.Read (f)) return false;
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88 | levelInfo[thisLevel.levelTag] = thisLevel;
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89 |
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90 | --arrSize;
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91 | }
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92 |
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93 | return true;
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94 | }
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95 |
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96 | bool FIvfLevel::Write (FILE *f) const {
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97 | if (!WriteUCArray (f, docTag) ||
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98 | !WriteUCArray (f, indexLevel))
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99 | return false;
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100 |
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101 | // write out the array size
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102 | if (!WriteVarLenUL (f, levelInfo.size())) return false;
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103 |
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104 | // write out each level info
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105 | IvfLevelInfoMap::const_iterator here = levelInfo.begin();
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106 | IvfLevelInfoMap::const_iterator end = levelInfo.end();
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107 | while (here != end) {
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108 | if (!(*here).second.Write (f)) return false;
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109 |
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110 | ++here;
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111 | }
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112 |
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113 | return true;
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114 | }
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115 |
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116 | // stream output for debugging purposes
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117 | ostream &operator<<(ostream &s, const FIvfLevel &l) {
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118 | s << "docTag: \"" << l.docTag << "\"\n"
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119 | << "indexLevel: \"" << l.indexLevel << "\"\n";
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120 |
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121 | IvfLevelInfoMap::const_iterator here = l.levelInfo.begin ();
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122 | IvfLevelInfoMap::const_iterator end = l.levelInfo.end ();
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123 | while (here != end) {
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124 | s << (*here).second;
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125 | ++here;
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126 | }
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127 |
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128 | return s;
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129 | }
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