source: main/trunk/greenstone2/runtime-src/src/recpt/basequeryaction.cpp@ 27065

Last change on this file since 27065 was 27065, checked in by kjdon, 11 years ago

added in the so (lucene sort order) cgi arg
File size: 27.4 KB
Line 
1/**********************************************************************
2 *
3 * basequeryaction.cpp --
4 * Copyright (C) 1999 The New Zealand Digital Library Project
5 *
6 * A component of the Greenstone digital library software
7 * from the New Zealand Digital Library Project at the
8 * University of Waikato, New Zealand.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 *
24 *********************************************************************/
25
26#include "basequeryaction.h"
27#include "querytools.h"
28#include "formattools.h"
29#include "cgiutils.h"
30#include "OIDtools.h"
31#include "fileutil.h"
32#include "text_t.h"
33#include "historydb.h"
34#include "htmlutils.h" // for html_safe in do_action
35#include "gsdltools.h"
36#include "phrases.h" // for get_phrases
37#include <stdlib.h> // for strtol
38#include <assert.h>
39
40void colinfo_t::clear () {
41 formatlistptr = NULL;
42 browserptr = NULL;
43}
44
45void QueryResult_t::clear() {
46 doc.clear();
47 collection.clear();
48}
49
50basequeryaction::basequeryaction () {
51
52 recpt = NULL;
53
54 cgiarginfo arg_ainfo;
55
56 // "q"
57 arg_ainfo.shortname = "q";
58 arg_ainfo.longname = "query string";
59 arg_ainfo.multiplechar = true;
60 arg_ainfo.multiplevalue = false;
61 arg_ainfo.defaultstatus = cgiarginfo::weak;
62 arg_ainfo.argdefault = g_EmptyText;
63 arg_ainfo.savedarginfo = cgiarginfo::must;
64 argsinfo.addarginfo (NULL, arg_ainfo);
65
66 // "q2"
67 arg_ainfo.shortname = "q2";
68 arg_ainfo.longname = "query string for second query";
69 arg_ainfo.multiplechar = true;
70 arg_ainfo.multiplevalue = false;
71 arg_ainfo.defaultstatus = cgiarginfo::weak;
72 arg_ainfo.argdefault = g_EmptyText;
73 arg_ainfo.savedarginfo = cgiarginfo::must;
74 argsinfo.addarginfo (NULL, arg_ainfo);
75
76 // "cq2" ""=don't combine, "and", "or", "not"
77 arg_ainfo.shortname = "cq2";
78 arg_ainfo.longname = "combine queries";
79 arg_ainfo.multiplechar = true;
80 arg_ainfo.multiplevalue = false;
81 arg_ainfo.defaultstatus = cgiarginfo::weak;
82 arg_ainfo.argdefault = g_EmptyText;
83 arg_ainfo.savedarginfo = cgiarginfo::must;
84 argsinfo.addarginfo (NULL, arg_ainfo);
85
86
87 // "m"
88 arg_ainfo.shortname = "m";
89 arg_ainfo.longname = "maximum number of documents";
90 arg_ainfo.multiplechar = true;
91 arg_ainfo.multiplevalue = false;
92 arg_ainfo.defaultstatus = cgiarginfo::weak;
93 arg_ainfo.argdefault = "50";
94 arg_ainfo.savedarginfo = cgiarginfo::must;
95 argsinfo.addarginfo (NULL, arg_ainfo);
96
97 // "o"
98 arg_ainfo.shortname = "o";
99 arg_ainfo.longname = "hits per page";
100 arg_ainfo.multiplechar = true;
101 arg_ainfo.multiplevalue = false;
102 arg_ainfo.defaultstatus = cgiarginfo::weak;
103 arg_ainfo.argdefault = "20";
104 arg_ainfo.savedarginfo = cgiarginfo::must;
105 argsinfo.addarginfo (NULL, arg_ainfo);
106
107 // "r"
108 arg_ainfo.shortname = "r";
109 arg_ainfo.longname = "start results from";
110 arg_ainfo.multiplechar = true;
111 arg_ainfo.multiplevalue = false;
112 arg_ainfo.defaultstatus = cgiarginfo::weak;
113 arg_ainfo.argdefault = "1";
114 arg_ainfo.savedarginfo = cgiarginfo::must;
115 argsinfo.addarginfo (NULL, arg_ainfo);
116
117
118 // "ifl" - I'm feeling lucky! (Go directly to a matching document)
119 arg_ainfo.shortname = "ifl";
120 arg_ainfo.longname = "i'm feeling lucky";
121 arg_ainfo.multiplechar = false;
122 arg_ainfo.multiplevalue = false;
123 arg_ainfo.defaultstatus = cgiarginfo::weak;
124 arg_ainfo.argdefault = g_EmptyText;
125 arg_ainfo.savedarginfo = cgiarginfo::mustnot;
126 argsinfo.addarginfo (NULL, arg_ainfo);
127
128 // "ifln" - I'm feeling lucky number (Go directly to the nth matching document)
129 arg_ainfo.shortname = "ifln";
130 arg_ainfo.longname = "i'm feeling lucky number";
131 arg_ainfo.multiplechar = true;
132 arg_ainfo.multiplevalue = false;
133 arg_ainfo.defaultstatus = cgiarginfo::weak;
134 arg_ainfo.argdefault = "1";
135 arg_ainfo.savedarginfo = cgiarginfo::mustnot;
136 argsinfo.addarginfo (NULL, arg_ainfo);
137
138 // "srn" - the next search result
139 arg_ainfo.shortname = "srn";
140 arg_ainfo.longname = "the next search result number";
141 arg_ainfo.multiplechar = true;
142 arg_ainfo.multiplevalue = false;
143 arg_ainfo.defaultstatus = cgiarginfo::weak;
144 arg_ainfo.argdefault = "0";
145 arg_ainfo.savedarginfo = cgiarginfo::must;
146 argsinfo.addarginfo (NULL, arg_ainfo);
147
148 // "srp" - the previous search result
149 arg_ainfo.shortname = "srp";
150 arg_ainfo.longname = "the previous search result number";
151 arg_ainfo.multiplechar = true;
152 arg_ainfo.multiplevalue = false;
153 arg_ainfo.defaultstatus = cgiarginfo::weak;
154 arg_ainfo.argdefault = "0";
155 arg_ainfo.savedarginfo = cgiarginfo::must;
156 argsinfo.addarginfo (NULL, arg_ainfo);
157
158 // "sf" - Sort field. Set to field to be used for sorting search reult
159 // set (only implemented for lucene collections at present).
160 arg_ainfo.shortname = "sf";
161 arg_ainfo.longname = "sort field";
162 arg_ainfo.multiplechar = true;
163 arg_ainfo.multiplevalue = false;
164 arg_ainfo.defaultstatus = cgiarginfo::weak;
165 arg_ainfo.argdefault = g_EmptyText;
166 arg_ainfo.savedarginfo = cgiarginfo::must;
167 argsinfo.addarginfo (NULL, arg_ainfo);
168
169 // "so" - sort order. 0 = ascending (natural order),
170 // 1 = descending (reverse order)
171 arg_ainfo.shortname = "so";
172 arg_ainfo.longname = "sort order";
173 arg_ainfo.multiplechar = false;
174 arg_ainfo.multiplevalue = false;
175 arg_ainfo.defaultstatus = cgiarginfo::weak;
176 arg_ainfo.argdefault = "0";
177 arg_ainfo.savedarginfo = cgiarginfo::must;
178 argsinfo.addarginfo (NULL, arg_ainfo);
179
180 // "fqn" - number of fields in the query form
181 arg_ainfo.shortname = "fqn";
182 arg_ainfo.longname = "form query num fields";
183 arg_ainfo.multiplechar = true;
184 arg_ainfo.multiplevalue = false;
185 arg_ainfo.defaultstatus = cgiarginfo::weak;
186 arg_ainfo.argdefault = "4";
187 arg_ainfo.savedarginfo = cgiarginfo::must;
188 argsinfo.addarginfo (NULL, arg_ainfo);
189
190 // "fqf" - the list of field names in the form query
191 // - a comma separated list
192 arg_ainfo.shortname = "fqf";
193 arg_ainfo.longname = "form query fields";
194 arg_ainfo.multiplechar = true;
195 arg_ainfo.multiplevalue = false;
196 arg_ainfo.defaultstatus = cgiarginfo::weak;
197 arg_ainfo.argdefault = g_EmptyText;
198 arg_ainfo.savedarginfo = cgiarginfo::must;
199 argsinfo.addarginfo (NULL, arg_ainfo);
200
201 // "fqv" - the list of values in the form query
202 // - a comma separated list
203 arg_ainfo.shortname = "fqv";
204 arg_ainfo.longname = "form query values";
205 arg_ainfo.multiplechar = true;
206 arg_ainfo.multiplevalue = false;
207 arg_ainfo.defaultstatus = cgiarginfo::weak;
208 arg_ainfo.argdefault = g_EmptyText;
209 arg_ainfo.savedarginfo = cgiarginfo::must;
210 argsinfo.addarginfo (NULL, arg_ainfo);
211
212
213 // "fqc" - the list of boolean operators in the form query
214 // - a comma separated list
215 arg_ainfo.shortname = "fqc";
216 arg_ainfo.longname = "form query combines";
217 arg_ainfo.multiplechar = true;
218 arg_ainfo.multiplevalue = false;
219 arg_ainfo.defaultstatus = cgiarginfo::weak;
220 arg_ainfo.argdefault = g_EmptyText;
221 arg_ainfo.savedarginfo = cgiarginfo::must;
222 argsinfo.addarginfo (NULL, arg_ainfo);
223
224 // "fqa" - form query advanced - for "run query"
225 arg_ainfo.shortname = "fqa";
226 arg_ainfo.longname = "form query advanced query";
227 arg_ainfo.multiplechar = false;
228 arg_ainfo.multiplevalue = false;
229 arg_ainfo.defaultstatus = cgiarginfo::weak;
230 arg_ainfo.argdefault = "0";
231 arg_ainfo.savedarginfo = cgiarginfo::must;
232 argsinfo.addarginfo (NULL, arg_ainfo);
233
234 // "fuzziness" controls how closely the search terms must match
235 // 100 = exact match, 0 = very inexact match (only implemented for Lucene)
236 arg_ainfo.shortname = "fuzziness";
237 arg_ainfo.longname = "Lucene fuzziness value";
238 arg_ainfo.multiplechar = true;
239 arg_ainfo.multiplevalue = false;
240 arg_ainfo.defaultstatus = cgiarginfo::weak;
241 arg_ainfo.argdefault = g_EmptyText;
242 arg_ainfo.savedarginfo = cgiarginfo::must;
243 argsinfo.addarginfo (NULL, arg_ainfo);
244
245 // "hd" history display - search history only displayed when
246 // this var set to something other than 0
247 // this number of records is displayed
248 arg_ainfo.shortname = "hd";
249 arg_ainfo.longname = "history display";
250 arg_ainfo.multiplechar = true;
251 arg_ainfo.multiplevalue = false;
252 arg_ainfo.defaultstatus = cgiarginfo::weak;
253 arg_ainfo.argdefault = "0";
254 arg_ainfo.savedarginfo = cgiarginfo::must;
255 argsinfo.addarginfo (NULL, arg_ainfo);
256
257 // "hs" save - set to 1 in query form, so only save when submit
258 // query
259 // 0 = no save 1 = save
260 arg_ainfo.shortname = "hs";
261 arg_ainfo.longname = "history save";
262 arg_ainfo.multiplechar = false;
263 arg_ainfo.multiplevalue = false;
264 arg_ainfo.defaultstatus = cgiarginfo::weak;
265 arg_ainfo.argdefault = "0";
266 arg_ainfo.savedarginfo = cgiarginfo::mustnot;
267 argsinfo.addarginfo (NULL, arg_ainfo);
268}
269
270void basequeryaction::configure (const text_t &key, const text_tarray &cfgline) {
271 action::configure (key, cfgline);
272}
273
274bool basequeryaction::init (ostream &logout) {
275 return action::init (logout);
276}
277
278bool basequeryaction::check_cgiargs (cgiargsinfoclass &argsinfo, cgiargsclass &args,
279 recptprotolistclass * /*protos*/, ostream &logout) {
280
281
282 // check m argument
283 int arg_m = args.getintarg("m");
284 if (arg_m < -1) {
285 logout << "Warning: \"m\" argument less than -1 (" << arg_m << ")\n";
286 cgiarginfo *minfo = argsinfo.getarginfo ("m");
287 if (minfo != NULL) args["m"] = minfo->argdefault;
288 }
289
290 // check o argument
291 int arg_o = args.getintarg("o");
292 if (arg_o < -1) {
293 logout << "Warning: \"o\" argument less than -1 (" << arg_o << ")\n";
294 cgiarginfo *oinfo = argsinfo.getarginfo ("o");
295 if (oinfo != NULL) args["o"] = oinfo->argdefault;
296 }
297
298 // check r argument
299 int arg_r = args.getintarg("r");
300 if (arg_r < 1) {
301 logout << "Warning: \"r\" argument less than 1 (" << arg_r << ")\n";
302 cgiarginfo *rinfo = argsinfo.getarginfo ("r");
303 if (rinfo != NULL) args["r"] = rinfo->argdefault;
304 }
305
306 //check hd argument
307 int arg_hd = args.getintarg("hd");
308 if (arg_hd <0 ) {
309 logout << "Warning: \"hd\" argument less than 0 (" << arg_hd << ")\n";
310 cgiarginfo *hdinfo = argsinfo.getarginfo ("hd");
311 if (hdinfo != NULL) args["hd"] = hdinfo->argdefault;
312 }
313
314 //check hs argument
315 int arg_hs = args.getintarg("hs");
316 if (arg_hs !=0 && arg_hs !=1) {
317 logout << "Warning: \"hs\" argument out of range (" << arg_hs << ")\n";
318 cgiarginfo *hsinfo = argsinfo.getarginfo ("hs");
319 if (hsinfo != NULL) args["hs"] = hsinfo->argdefault;
320 }
321
322 return true;
323}
324
325void basequeryaction::get_cgihead_info (cgiargsclass &args, recptprotolistclass * /*protos*/,
326 response_t &response, text_t &response_data,
327 ostream &/*logout*/) {
328 // If this is an "I'm feeling lucky" request, we don't know the target location until later
329 if (!args["ifl"].empty()) {
330 response = undecided_location;
331 return;
332 }
333
334 response = content;
335 response_data = "text/html";
336}
337
338
339
340
341void basequeryaction::define_internal_macros (displayclass &disp, cgiargsclass &args,
342 recptprotolistclass * protos,
343 ostream &logout)
344{
345 // The following macros are set later (in define_query_macros) as they can't be set until
346 // the query has been done.
347 // _quotedquery_ the part of the query string that was quoted for post-processing
348 // _freqmsg_ the term frequency string
349
350 // _resultline_ the "x documents matched the query" string
351
352 // _prevfirst_ these are used when setting up the links to previous/next
353 // _prevlast_ pages of results (_thisfirst_ and _thislast_ are used to set
354 // _nextfirst_ the 'results x-x for query: xxxx' string in the title bar)
355 // _nextlast_
356 // _thisfirst_
357 // _thislast_
358
359
360 define_form_macros(disp, args, protos, logout);
361}
362
363
364
365
366
367// define_query_macros sets the macros that couldn't be set until the
368// query had been done. Those macros are
369// _resultline_, _nextfirst_, _nextlast_, _prevfirst_, _prevlast_,
370// _thisfirst_, and _thislast_ and _quotedquery_
371// this has been simplified so it can be used with both search_single_coll
372// and search_multiple_coll
373void basequeryaction::define_query_macros (cgiargsclass &args,
374 displayclass &disp,
375 int numdocs, isapprox isApprox) {
376
377 // set up _resultline_ macro
378 text_t resline;
379 int maxdocs = args.getintarg("m");
380 if (maxdocs == -1) maxdocs = numdocs;
381 else if (numdocs > maxdocs) {
382 numdocs = maxdocs;
383 isApprox = MoreThan;
384 }
385
386 if (isApprox == Approximate) resline = "_textapprox_";
387 else if (isApprox == MoreThan) resline = "_textmorethan_";
388
389 if (numdocs == 0) resline = "_textnodocs_";
390 else if (numdocs == 1) resline += "_text1doc_";
391 else resline += text_t(numdocs) + " _textlotsdocs_";
392
393 disp.setmacro("resultline", "query", resline);
394
395 int firstdoc = args.getintarg("r");
396 int hitsperpage = args.getintarg("o");
397 if (hitsperpage == -1) hitsperpage = numdocs;
398
399 // set up _thisfirst_ and _thislast_ macros
400 disp.setmacro ("thisfirst", "query", firstdoc);
401 int thislast = firstdoc + (hitsperpage - 1);
402 if (thislast > numdocs) thislast = numdocs;
403 disp.setmacro ("thislast", "query", thislast);
404
405 // set up _prevfirst_ and _prevlast_ macros
406 if (firstdoc > 1) {
407 disp.setmacro ("prevlast", "query", firstdoc - 1);
408 int prevfirst = firstdoc - hitsperpage;
409 if (prevfirst < 1) prevfirst = 1;
410 disp.setmacro ("prevfirst", "query", prevfirst);
411 }
412
413 // set up _nextfirst_ and _nextlast_ macros
414 if (thislast < numdocs) {
415 disp.setmacro ("nextfirst", "query", thislast + 1);
416 int nextlast = thislast + hitsperpage;
417 if (nextlast > numdocs) nextlast = numdocs;
418 disp.setmacro ("nextlast", "query", nextlast);
419 }
420}
421
422
423// sets the selection box macros such as:
424// _hselection_, _jselection_, _nselection_ _gselection_, _fqfselection_
425
426void basequeryaction::set_option_macro (const text_t &macroname,
427 text_t current_value,
428 bool display_single,
429 bool add_js_update,
430 const FilterOption_t &option,
431 displayclass &disp)
432{
433 if (option.validValues.empty()) return;
434 if (option.validValues.size() == 1) {
435 if (display_single) {
436 disp.setmacro (macroname + "selection", displayclass::defaultpackage, "_" + option.defaultValue + "_");
437 }
438 return;
439 }
440 if (option.validValues.size() < 2) return;
441
442 text_t macrovalue = "<select name=\"" + macroname + "\"";
443 if (add_js_update) {
444 macrovalue += " onChange=\"update"+macroname+"();\"";
445 }
446 macrovalue += ">\n";
447
448 if (current_value.empty()) current_value = option.defaultValue;
449
450 text_tarray::const_iterator thisvalue = option.validValues.begin();
451 text_tarray::const_iterator endvalue = option.validValues.end();
452
453 while (thisvalue != endvalue) {
454 macrovalue += "<option value=\"" + *thisvalue + "\"";
455 if (*thisvalue == current_value)
456 macrovalue += " selected";
457 macrovalue += ">_" + *thisvalue + "_\n";
458 ++thisvalue;
459 }
460 macrovalue += "</select>\n";
461 disp.setmacro (macroname + "selection", displayclass::defaultpackage, macrovalue);
462}
463
464
465
466// sets the selection box macros such as:
467// _sqlfqfselection_
468
469void basequeryaction::set_option_macro (const text_t &macroname,
470 text_t current_value,
471 bool display_single,
472 bool add_js_update,
473 const FilterOption_t &option_domain,
474 const FilterOption_t &option_range,
475 displayclass &disp)
476{
477 // this should probably be moved to sqlqueryaction.cpp // *****
478
479 if (option_domain.validValues.empty()) return;
480 if (option_range.validValues.empty()) return;
481
482 if (option_range.validValues.size() == 1) {
483 if (display_single) {
484 disp.setmacro (macroname + "selection",
485 displayclass::defaultpackage, "_" + option_range.defaultValue + "_");
486 }
487 return;
488 }
489 if (option_domain.validValues.size() < 2) return;
490 if (option_range.validValues.size() < 2) return;
491
492 text_t macrovalue = "<select name=\"" + macroname + "\"";
493 if (add_js_update) {
494 macrovalue += " onChange=\"update"+macroname+"();\"";
495 }
496 macrovalue += ">\n";
497
498 if (current_value.empty()) current_value = option_domain.defaultValue;
499
500 text_tarray::const_iterator dom_thisvalue = option_domain.validValues.begin();
501 text_tarray::const_iterator dom_endvalue = option_domain.validValues.end();
502
503 text_tarray::const_iterator ran_thisvalue = option_range.validValues.begin();
504 text_tarray::const_iterator ran_endvalue = option_range.validValues.end();
505
506
507 while ((dom_thisvalue != dom_endvalue) && (ran_thisvalue != ran_endvalue)) {
508 if (*ran_thisvalue != "ZZ" && *ran_thisvalue != "TX") {
509
510 text_t option_val = *dom_thisvalue;
511 option_val.replace(",","/");
512 macrovalue += "<option value=\"" + option_val + "\"";
513
514 if (*dom_thisvalue == current_value)
515 macrovalue += " selected";
516 macrovalue += ">_" + *ran_thisvalue + "_\n";
517 }
518
519 ++dom_thisvalue;
520 ++ran_thisvalue;
521 }
522 macrovalue += "</select>\n";
523 disp.setmacro (macroname + "selection", displayclass::defaultpackage, macrovalue);
524}
525
526
527
528
529// define_single_query_macros sets the extra macros for search_single_coll
530// that couldn't be set until the query had been done. Those macros are
531// _freqmsg_ and _stopwordsmsg_
532void basequeryaction::define_single_query_macros (cgiargsclass &args,
533 displayclass &disp,
534 const FilterResponse_t &response) {
535 // set up _freqmsg_ and _stopwordsmsg_ macros
536
537 text_t freqmsg = "";
538 freqmsg = "_textfreqmsg1_";
539 TermInfo_tarray::const_iterator this_term = response.termInfo.begin();
540 TermInfo_tarray::const_iterator end_term = response.termInfo.end();
541 while (this_term != end_term) {
542 freqmsg += (*this_term).term + ": " + (*this_term).freq;
543 if ((this_term + 1) != end_term)
544 freqmsg += ", ";
545 ++this_term;
546 }
547 disp.setmacro ("freqmsg", "query", freqmsg);
548
549 text_tset::const_iterator this_stopword = response.stopwords.begin();
550 text_tset::const_iterator end_stopword = response.stopwords.end();
551 if (this_stopword != end_stopword) {
552 text_t stopwordsmsg = "_textstopwordsmsg_ ";
553 while (this_stopword != end_stopword) {
554 if (stopwordsmsg != "_textstopwordsmsg_ ") {
555 stopwordsmsg += ", ";
556 }
557 stopwordsmsg += (*this_stopword);
558 ++this_stopword;
559 }
560 disp.setmacro("stopwordsmsg", "query", stopwordsmsg);
561 }
562}
563
564
565
566void basequeryaction::define_history_macros (displayclass &disp,
567 cgiargsclass &args,
568 recptprotolistclass *protos,
569 ostream &logout)
570{
571
572 // defines the following macros
573 // _searchhistorylist_
574
575 text_t historylist;
576 int arghd = args.getintarg("hd");
577 if (arghd == 0) {
578 historylist="";
579 }
580 else {
581 historylist = "<!-- Search History List -->\n";
582
583 text_t userid = args["z"];
584 text_tarray entries;
585 if (get_history_info (userid, entries, dbhome, logout)) {
586 int count = 1;
587 text_tarray::iterator here = entries.begin();
588 text_tarray::iterator end = entries.end();
589 int numrecords=(int)entries.size();
590 if (numrecords>arghd) { // only display some of them
591 numrecords = arghd;
592 }
593 historylist += "<form action=\"_gwcgi_\" name=\"HistoryForm\"><table width=\"537\">\n";
594
595 for (int i=0; i<numrecords;++i) {
596 text_t query;
597 text_t numdocs;
598 text_t cgiargs;
599 text_t userinfo;
600 text_t escquery;
601 split_saved_query(entries[i],numdocs,cgiargs);
602 parse_saved_args(cgiargs, "q", query); // get query string out
603 decode_cgi_arg(query); // un cgisafe it
604 escquery = escape_quotes(query); // escape the quotes and newlines
605 text_t histvalue = "histvalue";
606 histvalue += i;
607 disp.setmacro(histvalue, "query", escquery);
608 format_user_info(cgiargs, userinfo, args, protos, logout);
609
610 historylist += "<tr><td align=\"right\">_imagehistbutton_(";
611 historylist += i;
612 historylist += ")</td>\n";
613 historylist += "<td><table border=\"1\" cellspacing=\"0\" ";
614 historylist += "cellpadding=\"0\"><tr><td width=\"365\" align=\"left\">"
615 + query
616 + "</td></tr></table></td><td width=\"110\" align=\"center\"><small>"
617 + numdocs;
618 if (numdocs == 1) historylist += " _texthresult_";
619 else historylist += " _texthresults_";
620 if (!userinfo.empty()) {
621 historylist += "<br>( "+userinfo+" )";
622 }
623 historylist += "</small></td>\n";
624 }
625 historylist+="</table></form>\n\n";
626
627 } // if get history info
628 else {
629 historylist += "_textnohistory_";
630 }
631 historylist += "<! ---- end of history list ----->\n";
632 } // else display list
633 disp.setmacro("searchhistorylist", "query", historylist);
634
635} // define history macros
636
637
638bool basequeryaction::search_single_collection (cgiargsclass& args,
639 const text_t& collection,
640 recptprotolistclass *protos,
641 browsermapclass* browsers,
642 displayclass& disp,
643 outconvertclass& outconvert,
644 ostream& textout,
645 ostream& logout)
646{
647 recptproto *collectproto = protos->getrecptproto (collection, logout);
648 if (collectproto == NULL) {
649 logout << outconvert << "basequeryaction::search_single_collection: " << collection
650 << " collection has a NULL collectproto\n";
651
652 // Display the "this collection is not installed on this system" page
653 disp.setmacro("cvariable", displayclass::defaultpackage, collection);
654 disp.setmacro("content", "query", "<p>_textbadcollection_<p>");
655
656 textout << outconvert << disp << "_query:header_\n"
657 << "_query:content_\n" << "_query:footer_\n";
658 return true;
659 }
660
661 comerror_t err;
662 ColInfoResponse_t *cinfo = recpt->get_collectinfo_ptr (collectproto, collection, logout);
663
664 if (cinfo == NULL) {
665 logout << "ERROR (query_action::search_single_collection): get_collectinfo_ptr returned NULL\n";
666 return false;
667 }
668
669 bool segment = cinfo->isSegmented;
670
671 // get the formatted query string
672 text_t formattedstring = "";
673 get_formatted_query_string(formattedstring, segment, args, disp, logout);
674
675 if (formattedstring.empty()) {
676 // no point carrying on if we have no query
677 define_history_macros (disp, args, protos, logout);
678 textout << outconvert << disp << "_query:header_\n"
679 << "_query:content_";
680 textout << outconvert << disp << "_query:footer_";
681
682 return true;
683 }
684
685 // (.*)queryaction uses "VList" browser to display results,
686 // a queries clasification is "Search"
687 text_t browsertype = "VList";
688 text_t classification = "Search";
689
690 browserclass *bptr = browsers->getbrowser (browsertype);
691
692 // get the formatstring if there is one
693 text_t formatstring;
694 if (!get_formatstring (classification, browsertype,
695 cinfo->format, formatstring)) {
696 formatstring = bptr->get_default_formatstring();
697 }
698 FilterRequest_t request;
699 FilterResponse_t response;
700
701 text_t hits_per_page_old = args["o"];
702 text_t start_results_from_old = args["r"];
703
704 // if the "ifl" argument is set to 1, we only want to get one document
705 // this may be the first search result (from "I feel lucky") or maybe a
706 // specified search result (from next/prev search result link)
707 if (args["ifl"] == "1") {
708 args["r"] = args["ifln"]; // the document number we want
709 args["o"] = "1";
710 }
711
712 bptr->set_filter_options (request, args);
713 bptr->load_metadata_defaults (request.fields);
714
715 format_t *formatlistptr = new format_t();
716 parse_formatstring (formatstring, formatlistptr, request.fields, request.getParents);
717
718 request.filterResultOptions = FROID | FRmetadata | FRtermFreq;
719 // note! formattedstring is in unicode! mg and mgpp must convert!
720 set_queryfilter_options (request, formattedstring, args);
721
722 // do the query
723 collectproto->filter (collection, request, response, err, logout);
724
725 // we had an error
726 if (err != noError) {
727 outconvertclass text_t2ascii;
728 logout << text_t2ascii
729 << "basequeryaction::search_single_collections: call to "
730 << query_filter_name() << " failed "
731 << "for " << collection << " collection (" << get_comerror_string (err) << ")\n";
732
733 disp.setmacro("resultline", "query", "_textnodocs_");
734 if (err == syntaxError) {
735 disp.setmacro ("freqmsg", "query", "_textinvalidquery_");
736 } else {
737 disp.setmacro ("freqmsg", "query", "");
738 }
739 // restore r and o args in case they have changed
740 args["r"] = start_results_from_old;
741 args["o"] = hits_per_page_old;
742
743 define_history_macros (disp, args, protos, logout);
744
745 textout << outconvert << disp << "_query:header_\n"
746 << "_query:content_";
747 textout << outconvert << disp << "_query:footer_";
748 delete (formatlistptr);
749 return true;
750 }
751
752 // ok, so no error, lets output the results
753
754 // Perform the "I'm feeling lucky" trick if the "ifl" argument is set
755 if (!args["ifl"].empty()) {
756 //Restore the "r" and "o" arg
757 args["r"] = start_results_from_old;
758 args["o"] = hits_per_page_old;
759
760 //Find whether DocumentSearchResultLinks is enabled
761 bool show_links = false;
762 text_tmap::const_iterator format_here = cinfo->format.begin();
763 text_tmap::const_iterator format_end = cinfo->format.end();
764
765 while (format_here != format_end) {
766 if (((*format_here).first == "DocumentSearchResultLinks") &&
767 ((*format_here).second == "true")){
768 show_links = true;
769 break;
770 }
771 ++format_here;
772 }
773
774 if (args["ifl"] == 1 || (args["ifl"] == 2 && response.numDocs == 1)) {
775
776 // The first search result is the one we want
777 if (response.docInfo.begin() != response.docInfo.end()) {
778
779 ResultDocInfo_tarray::iterator section = response.docInfo.begin();
780
781 // We still need to set "srn" and "srp" values (next and prev search result numbers) if we are showing them
782 int srn = 0;
783 int srp = 0;
784 if (show_links) {
785 int ifln = args["ifln"].getint();
786 srn = ifln + 1;
787 if (srn > response.numDocs) {
788 srn = 0;
789 }
790 srp = ifln - 1;
791 if (srp < 0) {
792 srp = 0;
793 }
794 }
795
796 textout << outconvert << disp
797 << "Location: _gwcgi_?e=_compressedoptions_&a=d&c="
798 << collection << "&cl=search&d=" << (*section).OID
799 << "&srn=" << srn << "&srp=" << srp << "\n\n";
800 textout << flush;
801
802 return true;
803 }
804 }
805
806 // There weren't enough (or any) matching documents
807 // We'll just carry on as if ifl wasn't set. The only catch is that get_cgihead_info won't have
808 // done the right thing (because ifl was set), so we need to make sure the output is html
809 textout << "Content-type: text/html\n\n";
810
811 }
812
813 define_query_macros (args, disp, response.numDocs, response.isApprox);
814 define_single_query_macros(args, disp, response);
815 // save the query if appropriate
816 save_search_history(args, response.numDocs, response.isApprox);
817
818
819 // would this result in an error in err???
820 // If Lucene threw a TooManyClauses exception, tell the user about it
821 if (args["ct"] == 2 && response.error_message == "TOO_MANY_CLAUSES") {
822 cerr << "too many clauses\n";
823 disp.setmacro ("freqmsg", "query", "_textlucenetoomanyclauses_");
824 }
825
826
827 //Restore the "r" and "o" arg in case they have been changed and we still get here
828 args["r"] = start_results_from_old;
829 args["o"] = hits_per_page_old;
830
831 define_history_macros (disp, args, protos, logout);
832
833 textout << outconvert << disp << "_query:header_\n"
834 << "_query:content_";
835
836 // output the results
837 text_t numdocs_t = response.numDocs;
838 args["nmd"] = numdocs_t;
839 bool use_table = is_table_content (formatlistptr);
840 bptr->output_section_group (response, args, collection, 0, formatlistptr,
841 use_table, request.fields, request.getParents,
842 collectproto, disp, outconvert, textout, logout);
843
844
845 textout << outconvert << disp << "_query:footer_";
846
847 delete (formatlistptr);
848
849 return true;
850}
851
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