1 | /**********************************************************************
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2 | *
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3 | * cstrqueryaction.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 | * $Id: cstrqueryaction.cpp 891 2000-02-01 22:32:36Z sjboddie $
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25 | *
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26 | *********************************************************************/
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27 |
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28 | /*
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29 | $Log$
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30 | Revision 1.1 2000/02/01 22:32:37 sjboddie
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31 | Initial revision
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32 |
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33 | Revision 1.1 1999/09/07 21:49:43 sjboddie
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34 | new cstr receptionist
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35 |
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36 |
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37 | */
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38 |
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39 |
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40 | #include "cstrqueryaction.h"
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41 | #include "cstrquerytools.h"
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42 | #include "formattools.h"
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43 | #include "OIDtools.h"
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44 | #include "text_t.h"
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45 |
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46 |
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47 | struct ltint
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48 | {
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49 | bool operator()(const int &t1, const int &t2) const
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50 | { return t1 < t2; }
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51 | };
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52 |
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53 |
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54 | bool cstrqueryaction::do_action (cgiargsclass &args, const ColInfoResponse_t &collectinfo,
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55 | recptproto *collectproto, displayclass &disp,
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56 | outconvertclass &outconvert, ostream &textout,
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57 | ostream &logout) {
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58 |
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59 | if (formatstring.empty()) {
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60 | text_tmap::const_iterator result = collectinfo.format.find("result");
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61 | if (result != collectinfo.format.end())
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62 | formatstring = (*result).second;
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63 | }
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64 |
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65 | // if we still don't have a format string use the default
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66 | if (formatstring.empty())
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67 | formatstring = "<td valign=top nowrap>[link]_icontext_[/link]</td><td>[Title]</td>";
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68 |
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69 | if (collectproto == NULL) {
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70 | logout << "cstrqueryaction::do_action called with NULL collectproto\n";
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71 | textout << outconvert << disp << "_query:header_\n"
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72 | << "Error: Attempt to do query without setting collection\n"
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73 | << "_query:footer_\n";
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74 | } else {
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75 |
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76 | FilterRequest_t request;
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77 | FilterResponse_t response;
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78 | format_t *formatlistptr = new format_t();
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79 |
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80 | parse_formatstring (formatstring, formatlistptr, request.fields, request.getParents);
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81 |
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82 | request.fields.push_back ("Title");
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83 | int metasize = request.fields.size();
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84 |
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85 | // do the query
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86 | request.filterResultOptions = FROID | FRmetadata | FRtermFreq;
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87 | if (!do_query (request, args, collectproto, response, logout))
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88 | return false;
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89 |
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90 | // set macros
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91 | define_query_macros (args, disp, response);
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92 |
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93 | // output the header
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94 | textout << outconvert << disp << "_query:header_\n"
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95 | << "_query:content_";
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96 |
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97 | // output the results
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98 | textout << "<table cellspacing=4>\n";
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99 | ResultDocInfo_tarray::const_iterator this_doc = response.docInfo.begin();
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100 | ResultDocInfo_tarray::const_iterator end_doc = response.docInfo.end();
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101 |
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102 | text_t top;
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103 | map<text_t, int, lttext_t> topOIDs;
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104 | map<int, ResultDocInfo_tarray, ltint> OIDs;
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105 | int count = 0;
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106 |
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107 | // sort the result set to get document pages together
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108 | while (this_doc != end_doc) {
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109 | // don't include docs that didn't match phrases (if there were any)
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110 | // those that did match will have been sorted to the top
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111 | if ((*this_doc).num_phrase_match < num_phrases) break;
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112 |
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113 | get_top ((*this_doc).OID, top);
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114 | map<text_t, int, lttext_t>::const_iterator it = topOIDs.find (top);
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115 | if (it == topOIDs.end()) {
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116 | // haven't seen this document before
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117 | topOIDs[top] = count;
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118 | OIDs[count].push_back (*this_doc);
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119 | count ++;
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120 | } else {
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121 | OIDs[(*it).second].push_back (*this_doc);
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122 | }
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123 | this_doc ++;
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124 | }
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125 |
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126 | text_t link, icon;
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127 | map<int, ResultDocInfo_tarray, ltint>::iterator here = OIDs.begin();
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128 | map<int, ResultDocInfo_tarray, ltint>::iterator end = OIDs.end();
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129 | count = 1;
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130 | bool done = false;
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131 | int arg_r = args.getintarg("r");
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132 | int arg_o = args.getintarg("o");
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133 | int arg_m = args.getintarg("m");
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134 | while (here != end) {
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135 | ResultDocInfo_tarray::const_iterator thisOID = (*here).second.begin();
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136 | ResultDocInfo_tarray::const_iterator lastOID = (*here).second.end();
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137 |
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138 | icon.clear();
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139 | link.clear(); // link will always be empty as we're including the link in the icon
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140 | bool first = true;
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141 |
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142 | while (thisOID != lastOID) {
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143 |
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144 | if (count < arg_r) {thisOID ++; count ++; continue;}
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145 | if ((count >= (arg_o + arg_r)) || count > arg_m) {
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146 | done = true;
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147 | if (!icon.empty()) {
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148 | textout << outconvert << disp << "<tr>\n"
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149 | << get_formatted_string (*thisOID, formatlistptr, link, icon) << "\n"
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150 | << "</tr>\n";
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151 | }
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152 | break;
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153 |
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154 | } else {
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155 |
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156 | const text_t &title = (*thisOID).metadata[metasize-1].values.back();
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157 |
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158 | if (title.empty() && ((*here).second.size() == 1))
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159 | icon = "<a href=\"_httpdocument_&cl=search&d=" + (*thisOID).OID + "\">_iconclosedbook_</a>";
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160 | else {
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161 | if (first) icon += "_icontext_<br>";
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162 | icon += "<a href=\"_httpdocument_&cl=search&d=" + (*thisOID).OID + "\">page " +
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163 | title + "</a><br>\n";
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164 | }
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165 |
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166 | if ((thisOID + 1) == lastOID) {
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167 | textout << outconvert << disp << "<tr>\n"
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168 | << get_formatted_string (*thisOID, formatlistptr, link, icon) << "\n"
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169 | << "</tr>\n";
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170 | }
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171 | count ++;
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172 | }
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173 | if (done) break;
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174 | first = false;
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175 | thisOID ++;
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176 | }
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177 | here ++;
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178 | }
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179 |
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180 | textout << "</table>\n";
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181 |
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182 | delete (formatlistptr);
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183 |
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184 | // output the footer
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185 | textout << outconvert << disp << "_query:footer_";
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186 | }
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187 |
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188 | return true;
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189 | }
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190 |
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191 |
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192 |
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