1 | /**********************************************************************
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2 | *
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3 | * fieldedqueryfilter.cpp --
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4 | * Copyright (C) 1999 The New Zealand Digital Library Project
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5 | *
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6 | * A component of the Greenstone digital library software
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7 | * from the New Zealand Digital Library Project at the
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8 | * University of Waikato, New Zealand.
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9 | *
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10 | * This program is free software; you can redistribute it and/or modify
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11 | * it under the terms of the GNU General Public License as published by
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12 | * the Free Software Foundation; either version 2 of the License, or
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13 | * (at your option) any later version.
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14 | *
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15 | * This program is distributed in the hope that it will be useful,
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16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 | * GNU General Public License for more details.
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19 | *
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20 | * You should have received a copy of the GNU General Public License
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21 | * along with this program; if not, write to the Free Software
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22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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23 | *
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24 | *********************************************************************/
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25 |
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26 | #include "fieldedqueryfilter.h"
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27 |
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28 | fieldedqueryfilterclass::fieldedqueryfilterclass ()
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29 | : queryfilterclass() {
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30 |
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31 | FilterOption_t filtopt;
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32 |
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33 | // -- onePerTerm Level enumerated
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34 | // likely to be Doc, Sec, Para, but we dont assume anything now
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35 | filtopt.clear();
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36 | filtopt.name = "Level";
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37 | filtopt.type = FilterOption_t::enumeratedt;
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38 | filtopt.repeatable = FilterOption_t::onePerTerm;
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39 | filtopt.defaultValue = "";
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40 | filterOptions["Level"] = filtopt;
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41 |
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42 | // -- IndexField, enumerated, used to list available fields
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43 | filtopt.clear();
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44 | filtopt.name = "IndexField";
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45 | filtopt.type = FilterOption_t::enumeratedt;
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46 | filtopt.repeatable = FilterOption_t::onePerTerm;
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47 | filtopt.defaultValue = "";
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48 | filterOptions["IndexField"] = filtopt;
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49 |
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50 | }
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51 |
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52 | void fieldedqueryfilterclass::configure (const text_t &key, const text_tarray &cfgline) {
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53 | queryfilterclass::configure(key, cfgline);
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54 |
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55 | if (key == "indexfieldmap") {
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56 | indexfieldmap.importmap (cfgline);
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57 | text_tarray options;
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58 | indexfieldmap.gettoarray (options);
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59 | filterOptions["IndexField"].validValues = options;
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60 |
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61 | } else if (key == "levelmap") {
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62 | levelmap.importmap (cfgline);
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63 | } else if (key == "indexlevels") {
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64 | filterOptions["Level"].validValues.erase(filterOptions["Level"].validValues.begin(), filterOptions["Level"].validValues.end());
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65 | text_tarray::const_iterator here = cfgline.begin();
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66 | text_tarray::const_iterator end = cfgline.end();
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67 | while (here != end) {
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68 | if (!(*here).empty()) {
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69 | filterOptions["Level"].validValues.push_back(*here);
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70 | }
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71 | ++here;
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72 | }
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73 | } else if (key == "defaultindex") { // used for fields
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74 | indexfieldmap.from2to (cfgline[0], filterOptions["IndexField"].defaultValue);
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75 | } else if (key == "defaultlevel") {
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76 | levelmap.from2to (cfgline[0], filterOptions["Level"].defaultValue);
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77 | }
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78 |
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79 | }
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80 |
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81 | fieldedqueryfilterclass::~fieldedqueryfilterclass () {
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82 | }
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83 |
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84 | bool fieldedqueryfilterclass::init (ostream &logout) {
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85 |
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86 | if (!queryfilterclass::init(logout)) {
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87 | return false;
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88 | }
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89 |
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90 | if (filterOptions["IndexField"].defaultValue.empty()) {
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91 | // use first index in map as default if no default is set explicitly
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92 | text_tarray fromarray;
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93 | indexfieldmap.getfromarray(fromarray);
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94 | if (fromarray.size()) {
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95 | filterOptions["IndexField"].defaultValue = fromarray[0];
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96 | }
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97 | }
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98 | if (filterOptions["Levels"].defaultValue.empty()) {
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99 | // use first level as default if no default is set explicitly
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100 | if (!filterOptions["Level"].validValues[0].empty())
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101 | filterOptions["Levels"].defaultValue = filterOptions["Level"].validValues[0];
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102 | }
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103 |
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104 | return true;
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105 | }
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106 |
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107 | //whether a query is a full text browse
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108 | bool fieldedqueryfilterclass::full_text_browse (int filterRequestOptions) {
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109 | return (filterRequestOptions & FRfullTextBrowse);
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110 | }
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