1 | /**********************************************************************
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2 | *
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3 | * browseactiontools.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 |
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27 | #include "browseactiontools.h"
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28 | #include <ctype.h>
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29 |
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30 | void format_browsestring(const text_t& orig, text_t& formatted, int and_or)
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31 | {
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32 |
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33 |
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34 | text_t conj = g_EmptyText;
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35 |
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36 | if(and_or == 0){ conj = " | "; }
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37 | else { conj = " & "; }
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38 | text_t::const_iterator here = orig.begin();
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39 | text_t::const_iterator end = orig.end();
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40 |
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41 | //while not at the end of the filter string
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42 | while(here!=end){
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43 | //if seeing text, add it to the formatted string
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44 | if(!isspace(*here)){
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45 | formatted.push_back(*here);
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46 | ++here;
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47 | }
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48 | //else, if seeing spaces, check that there is following text and add
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49 | //the ncessary conjugation if there is.
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50 | else if(isspace(*here)){
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51 | while(isspace(*here) && here!=end) ++here;
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52 | if(here!=end) formatted += conj;
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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 |
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58 | // this stuff is all copied from the queryoptions code - don't ask how it all
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59 | // hangs in with the filters - those things are a mystery
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60 | void set_browsefilter_options(FilterRequest_t &request, const text_t &browsestring,
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61 | cgiargsclass &args)
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62 | {
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63 | request.filterName = "QueryFilter";
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64 |
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65 | OptionValue_t option;
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66 |
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67 | option.name = "Term";
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68 | option.value = browsestring;
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69 | request.filterOptions.push_back (option);
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70 |
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71 | option.name = "QueryType";
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72 | option.value = "boolean";
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73 | request.filterOptions.push_back (option);
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74 |
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75 | option.name = "MatchMode";
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76 | option.value = (args.getintarg("bt")) ? "some" : "all";
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77 | request.filterOptions.push_back (option);
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78 |
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79 | option.name = "Casefold";
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80 | option.value = (args.getintarg("k")) ? "true" : "false";
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81 | request.filterOptions.push_back (option);
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82 |
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83 | option.name = "Stem";
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84 | option.value = (args.getintarg("s")) ? "true" : "false";
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85 | request.filterOptions.push_back (option);
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86 |
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87 | option.name = "Maxdocs";
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88 | option.value = -1;
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89 | request.filterOptions.push_back (option);
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90 |
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91 | option.name = "Index";
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92 | option.value = "dtx";
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93 | request.filterOptions.push_back (option);
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94 |
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95 |
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96 | }
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97 |
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98 | bool remove_no_meta_results(const text_t& metaname, FilterResponse_t &response,
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99 | outconvertclass &outconvert)
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100 | {
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101 |
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102 | ResultDocInfo_tarray::iterator check = response.docInfo.begin();
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103 | ResultDocInfo_tarray::iterator done = response.docInfo.end();
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104 | // look through all the returned documents
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105 | while(check != response.docInfo.end()){
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106 |
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107 | //if the document doesn't have the metadata item classified on
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108 | //remove it.
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109 | text_t title = *((*check).metadata.find(metaname)->second).values.begin();
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110 | if(title == g_EmptyText)
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111 | {
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112 |
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113 | response.docInfo.erase(check);
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114 |
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115 | }
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116 | else {
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117 |
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118 | ++check;
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119 |
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120 | }
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121 |
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122 | }
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123 | return true;
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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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