source: trunk/gsdl/src/recpt/documentaction.cpp@ 10987

Last change on this file since 10987 was 10987, checked in by kjdon, 18 years ago

fixed a bug where if you entered a document from an unknown classifier, then the classifier nav bar button didn't work
  • Property svn:executable set to *
  • Property svn:keywords set to Author Date Id Revision
File size: 44.5 KB
Line 
1/**********************************************************************
2 *
3 * documentaction.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 <string.h>
27
28#include "documentaction.h"
29#include "browsetools.h"
30#include "OIDtools.h"
31#include "querytools.h"
32#include "unitool.h"
33#include "gsdltools.h"
34#include "highlighttext.h"
35
36documentaction::documentaction () {
37 recpt = NULL;
38
39
40 // this action uses cgi variables "a", "d", "cl",
41 // "x", "gc", "gt", "gp", and "hl"
42 cgiarginfo arg_ainfo;
43 arg_ainfo.shortname = "a";
44 arg_ainfo.longname = "action";
45 arg_ainfo.multiplechar = true;
46 arg_ainfo.defaultstatus = cgiarginfo::weak;
47 arg_ainfo.argdefault = "p";
48 arg_ainfo.savedarginfo = cgiarginfo::must;
49 argsinfo.addarginfo (NULL, arg_ainfo);
50
51 arg_ainfo.shortname = "d";
52 arg_ainfo.longname = "document OID";
53 arg_ainfo.multiplechar = true;
54 arg_ainfo.defaultstatus = cgiarginfo::none;
55 arg_ainfo.argdefault = g_EmptyText;
56 arg_ainfo.savedarginfo = cgiarginfo::can;
57 argsinfo.addarginfo (NULL, arg_ainfo);
58
59 // whether or not a document should be retrieved from the
60 // library or the Web.
61 arg_ainfo.shortname = "il";
62 arg_ainfo.longname = "internal link preference";
63 arg_ainfo.multiplechar = false;
64 arg_ainfo.defaultstatus = cgiarginfo::weak;
65 arg_ainfo.argdefault = "l";
66 arg_ainfo.savedarginfo = cgiarginfo::must;
67 argsinfo.addarginfo (NULL, arg_ainfo);
68
69 arg_ainfo.shortname = "cl";
70 arg_ainfo.longname = "classification OID";
71 arg_ainfo.multiplechar = true;
72 arg_ainfo.defaultstatus = cgiarginfo::none;
73 arg_ainfo.argdefault = g_EmptyText;
74 arg_ainfo.savedarginfo = cgiarginfo::can;
75 argsinfo.addarginfo (NULL, arg_ainfo);
76
77 // in this action "gc" controls the expand/contract
78 // contents function
79 arg_ainfo.shortname = "gc";
80 arg_ainfo.longname = "expand contents";
81 arg_ainfo.multiplechar = false;
82 arg_ainfo.defaultstatus = cgiarginfo::weak;
83 arg_ainfo.argdefault = "0";
84 arg_ainfo.savedarginfo = cgiarginfo::can;
85 argsinfo.addarginfo (NULL, arg_ainfo);
86
87 // in this action "gt" controls the expand/contract
88 // text function 0 = not expanded, 1 = expand unless
89 // there are more than 10 sections containing text,
90 // 2 = expand all
91 arg_ainfo.shortname = "gt";
92 arg_ainfo.longname = "expand text";
93 arg_ainfo.multiplechar = false;
94 arg_ainfo.defaultstatus = cgiarginfo::weak;
95 arg_ainfo.argdefault = "0";
96 arg_ainfo.savedarginfo = cgiarginfo::can;
97 argsinfo.addarginfo (NULL, arg_ainfo);
98
99 // in this action "gp" is the "go to page" control
100 // used by the Book type of toc
101 arg_ainfo.shortname = "gp";
102 arg_ainfo.longname = "go to page";
103 arg_ainfo.multiplechar = true;
104 arg_ainfo.defaultstatus = cgiarginfo::none;
105 arg_ainfo.argdefault = g_EmptyText;
106 arg_ainfo.savedarginfo = cgiarginfo::mustnot;
107 argsinfo.addarginfo (NULL, arg_ainfo);
108
109 // in this action "hl" is the "highlighting on/
110 // highlighting off control ("hl" == "2" is a
111 // special case that forces phrase highlighting
112 // to be used even if the query string doesn't
113 // appear to be a phrase)
114 arg_ainfo.shortname = "hl";
115 arg_ainfo.longname = "highlighting on/off";
116 arg_ainfo.multiplechar = false;
117 arg_ainfo.defaultstatus = cgiarginfo::weak;
118 arg_ainfo.argdefault = "1";
119 arg_ainfo.savedarginfo = cgiarginfo::must;
120 argsinfo.addarginfo (NULL, arg_ainfo);
121
122 // "x" is 0 normally or 1 if page
123 // has been "detached"
124 arg_ainfo.shortname = "x";
125 arg_ainfo.longname = "detached page";
126 arg_ainfo.multiplechar = false;
127 arg_ainfo.defaultstatus = cgiarginfo::weak;
128 arg_ainfo.argdefault = "0";
129 arg_ainfo.savedarginfo = cgiarginfo::must;
130 argsinfo.addarginfo (NULL, arg_ainfo);
131
132 // "xx" is 0 normally or 1 if documents should be detached by default
133 arg_ainfo.shortname = "xx";
134 arg_ainfo.longname = "detach all doc pages";
135 arg_ainfo.multiplechar = false;
136 arg_ainfo.defaultstatus = cgiarginfo::weak;
137 arg_ainfo.argdefault = "0";
138 arg_ainfo.savedarginfo = cgiarginfo::must;
139 argsinfo.addarginfo (NULL, arg_ainfo);
140
141
142 // f arg is set to 1 if document is to
143 // be displayed in a frame
144 arg_ainfo.shortname = "f";
145 arg_ainfo.longname = "frame";
146 arg_ainfo.multiplechar = false;
147 arg_ainfo.defaultstatus = cgiarginfo::weak;
148 arg_ainfo.argdefault = "0";
149 arg_ainfo.savedarginfo = cgiarginfo::mustnot;
150 argsinfo.addarginfo (NULL, arg_ainfo);
151
152 // fc arg is "1" if search bar is to be included (i.e. if "fc" == 1
153 // the httpdocument macro will include "&f=1"
154 arg_ainfo.shortname = "fc";
155 arg_ainfo.longname = "include search bar";
156 arg_ainfo.multiplechar = false;
157 arg_ainfo.defaultstatus = cgiarginfo::weak;
158 arg_ainfo.argdefault = "1";
159 arg_ainfo.savedarginfo = cgiarginfo::must;
160 argsinfo.addarginfo (NULL, arg_ainfo);
161
162 //rd is whether a document will be displayed
163 //with a relevant document list
164 arg_ainfo.shortname = "rd";
165 arg_ainfo.longname = "include relevant documents";
166 arg_ainfo.multiplechar = false;
167 arg_ainfo.defaultstatus = cgiarginfo::weak;
168 arg_ainfo.argdefault = "0";
169 arg_ainfo.savedarginfo = cgiarginfo::must;
170 argsinfo.addarginfo (NULL, arg_ainfo);
171
172 //dm is the metadata that has been used for the datelist
173 arg_ainfo.shortname = "dm";
174 arg_ainfo.longname = "date metadata";
175 arg_ainfo.multiplechar = true;
176 arg_ainfo.defaultstatus = cgiarginfo::weak;
177 arg_ainfo.argdefault = g_EmptyText;
178 arg_ainfo.savedarginfo = cgiarginfo::must;
179 argsinfo.addarginfo (NULL, arg_ainfo);
180
181}
182
183documentaction::~documentaction () {
184}
185
186bool documentaction::check_cgiargs (cgiargsinfoclass &argsinfo, cgiargsclass &args,
187 recptprotolistclass *protos, ostream &logout) {
188
189 if(!args["d"].empty())
190 {
191 text_t docTop;
192 get_top(args["d"],docTop);
193
194 recptproto* collectproto = protos->getrecptproto (args["c"], logout);
195 if (collectproto != NULL)
196 {
197 ColInfoResponse_t *cinfo = recpt->get_collectinfo_ptr (collectproto, args["c"], logout);
198
199 if(cinfo->authenticate == "document")
200 {
201 // both are either commented out or uncomment and are empty
202 if (cinfo->public_documents.empty() && cinfo->private_documents.empty())
203 {
204 //deny everything
205 args["uan"] = "1";
206 args["ug"] = cinfo->auth_group;
207 }
208
209 // both public_documents and private_documents are turned on !
210 else if (!cinfo->public_documents.empty() && !cinfo->private_documents.empty())
211 {
212 //deny everything
213 args["uan"] = "1";
214 args["ug"] = cinfo->auth_group;
215 }
216
217 // if public_documents is set but this document isn't
218 // listed in it we need to authenticate
219 else if ((!cinfo->public_documents.empty()) &&
220 (cinfo->public_documents.find(docTop) == cinfo->public_documents.end()))
221 {
222 args["uan"] = "1";
223 args["ug"] = cinfo->auth_group;
224 }
225
226 // if private_documents is set and this document is
227 // listed in it we need to authenticate
228 else if ((!cinfo->private_documents.empty()) &&
229 (cinfo->private_documents.find(docTop) != cinfo->private_documents.end()))
230 {
231 args["uan"] = "1";
232 args["ug"] = cinfo->auth_group;
233 }
234
235 }
236 }
237 }
238 // check gc argument
239 int arg_gc = args.getintarg("gc");
240 if (arg_gc < 0 || arg_gc > 2) {
241 logout << "Warning: \"gc\" argument out of range (" << arg_gc << ")\n";
242 cgiarginfo *gcinfo = argsinfo.getarginfo ("gc");
243 if (gcinfo != NULL) args["gc"] = gcinfo->argdefault;
244 }
245
246 // check gt argument (may be either 0, 1 or 2)
247 int arg_gt = args.getintarg("gt");
248 if (arg_gt != 0 && arg_gt != 1 && arg_gt != 2) {
249 logout << "Warning: \"gt\" argument out of range (" << arg_gt << ")\n";
250 cgiarginfo *gtinfo = argsinfo.getarginfo ("gt");
251 if (gtinfo != NULL) args["gt"] = gtinfo->argdefault;
252 }
253
254 // check hl argument
255 int arg_hl = args.getintarg("hl");
256 if (arg_hl < 0 || arg_hl > 2) {
257 logout << "Warning: \"hl\" argument out of range (" << arg_hl << ")\n";
258 cgiarginfo *hlinfo = argsinfo.getarginfo ("hl");
259 if (hlinfo != NULL) args["hl"] = hlinfo->argdefault;
260 }
261
262 // check x argument
263 int arg_x = args.getintarg("x");
264 if (arg_x != 0 && arg_x != 1) {
265 logout << "Warning: \"x\" argument out of range (" << arg_x << ")\n";
266 cgiarginfo *xinfo = argsinfo.getarginfo ("x");
267 if (xinfo != NULL) args["x"] = xinfo->argdefault;
268 }
269
270 //checks whether rd arg is valid
271 int arg_rd = args.getintarg("rd");
272 if (arg_rd != 0 && arg_rd != 1) {
273 logout << "Warning: \"rd\" argument out of range (" << arg_rd << ")\n";
274 cgiarginfo *rdinfo = argsinfo.getarginfo ("rd");
275 if (rdinfo != NULL) args["rd"] = rdinfo->argdefault;
276 }
277
278
279 return true;
280}
281
282void documentaction::get_cgihead_info (cgiargsclass &args, recptprotolistclass *protos,
283 response_t &response,text_t &response_data,
284 ostream &logout) {
285
286 if ((args["il"] == "w") && (!args["d"].empty())) {
287
288 recptproto* collectproto = protos->getrecptproto (args["c"], logout);
289 if (collectproto != NULL) {
290
291 text_tset metadata;
292 FilterResponse_t filt_response;
293 text_t top;
294
295 metadata.insert ("URL");
296
297 // get metadata for parent document
298 get_top (args["d"], top);
299 if (get_info (top, args["c"], args["l"], metadata, false, collectproto, filt_response, logout)) {
300 text_t url = filt_response.docInfo[0].metadata["URL"].values[0];
301
302 response = location;
303 response_data = url;
304 return;
305 } else {
306 // error, no URL
307 logout << "Error: documentaction::get_cgihead_info failed on get_info" << endl;
308 }
309 }
310 }
311 response = content;
312 response_data = "text/html";
313}
314
315// set_widthtspace calculates how wide the spaces in the nav bar should
316// be and sets the appropriate macro
317void documentaction::set_spacemacro (displayclass &disp, FilterResponse_t &response,
318 bool has_search_button) {
319
320 text_t width;
321 int twidth, swidth, iwidth = 0;
322
323 int numc = response.docInfo.size();
324 ResultDocInfo_tarray::iterator dochere = response.docInfo.begin();
325 ResultDocInfo_tarray::iterator docend = response.docInfo.end();
326
327 disp.expandstring (displayclass::defaultpackage, "_pagewidth_", width);
328 twidth = width.getint();
329
330 if (has_search_button) {
331 disp.expandstring ("query", "_searchwidth_", width);
332 iwidth += width.getint();
333 } else {
334 numc -= 1;
335 }
336
337 while (dochere != docend) {
338 const text_t &title = (*dochere).metadata["Title"].values[0];
339
340 disp.expandstring ("document", "_" + title + "width_", width);
341 if (width == ("_" + title + "width_")) {
342 disp.expandstring ("document", "_defaultwidth_", width);
343 }
344 iwidth += width.getint();
345 ++dochere;
346 }
347
348 if ((twidth - iwidth) < numc) swidth = 2;
349 else {
350 swidth = twidth - iwidth;
351 if (numc > 0) swidth = swidth / numc;
352 }
353 disp.setmacro ("widthtspace", displayclass::defaultpackage, swidth);
354}
355
356// set_navbarmacros sets _navigationbar_ and _httpbrowseXXX_ macros
357// reponse contains 1 metadata field (Title)
358void documentaction::set_navbarmacros (displayclass &disp, FilterResponse_t &response,
359 bool has_search_button, cgiargsclass &args,
360 ColInfoResponse_t &cinfo) {
361
362
363 bool use_pulldown = false;
364 text_tmap::iterator it = cinfo.format.find("NavigationBar");
365 if (it != cinfo.format.end()) {
366 if (it->second == "pulldown") {
367 use_pulldown = true;
368 }
369 }
370
371 text_t topparent;
372 text_t &arg_d = args["d"];
373 text_t navigationbar = "<!-- Navigation Bar -->\n";
374
375 text_t date_extra = g_EmptyText;
376 get_top (args["cl"], topparent);
377 int numc = response.docInfo.size();
378 ResultDocInfo_tarray::iterator dochere = response.docInfo.begin();
379 ResultDocInfo_tarray::iterator docend = response.docInfo.end();
380
381 if (!use_pulldown) {
382 navigationbar += "_navtabsearch_";
383 if (has_search_button) {
384 if (args["a"] == "q") {
385 navigationbar += "(selected)";
386 }
387 }
388
389 if (has_search_button || numc == 0) navigationbar += "_navbarspacer_";
390
391 bool first = true;
392 while (dochere != docend) {
393 date_extra = g_EmptyText;
394 if (!first) navigationbar += "_navbarspacer_";
395
396 text_t title = (*dochere).metadata["Title"].values[0];
397 if (title == "Date") { // a date list
398 text_t date_meta = (*dochere).metadata["mdtype"].values[0];
399 if (date_meta == g_EmptyText) {
400 date_meta = "Date";
401 }
402 date_extra = "&amp;dm="+date_meta;
403 }
404 bool unknown = false;
405
406 // test if the _tabtext$FIELD_ macro is defined, which means
407 // this is a "known" metadata type and we have a translation for it
408 text_t tmpwidth;
409 text_t macroname="_tabtext" + title + "_";
410 disp.expandstring ("document", macroname, tmpwidth);
411 if (tmpwidth == macroname) // it wasn't expanded
412 unknown = true;
413
414 // if we're inside a document all the classification buttons should be enabled
415 text_t this_tab;
416 bool is_top;
417
418 is_top = ((*dochere).OID == topparent);
419 // set default text fragment
420 this_tab = "_navtab_(";
421
422 if (unknown) { // just give the field name
423 if (!arg_d.empty() || !is_top) {
424 // work out the link for this classifier, as it isn't the
425 // current page
426 this_tab += "_httpdocument_&amp;cl=" + (*dochere).OID
427 + date_extra;
428 }
429 this_tab += "," + title + "," + title + ",";
430 } else { // use the macro for this field so we get translations
431 this_tab += "_httpbrowse" + title;
432 this_tab += "_,_tabtext" + title;
433 this_tab += "_,_textdescr" + title + "_";
434 }
435
436 if (arg_d.empty() && is_top) {
437 // don't link to this classifier as it is the current one
438 this_tab += ",selected";
439 } else if (!unknown) {
440 // set the _httpbrowseXXX_ macro for this classification
441 // set the correct url for this link
442 disp.setmacro ("httpbrowse" + title, displayclass::defaultpackage, "_httpdocument_&amp;cl=" + (*dochere).OID+date_extra);
443 }
444
445 this_tab += ")";
446
447 navigationbar += this_tab;
448
449 ++dochere;
450 first = false;
451 }
452
453 if (!has_search_button && numc == 1) navigationbar += "_navbarspacer_";
454
455 navigationbar += "\n<!-- End of Navigation Bar -->\n";
456
457 } else {
458
459 navigationbar = "<form method=\"get\" name=\"navform\">\n";
460 navigationbar += "<select name=\"navbar\" onChange=\"location.href=";
461 navigationbar += "document.navform.navbar.options[document.navform.navbar.selectedIndex].value\">\n";
462
463 if (args["a"] != "q" && args["cl"].empty()) {
464 navigationbar += "<option value=\"\" selected>_textselectpage_</option>\n";
465 }
466
467 if (has_search_button) {
468 navigationbar += "<option value=\"_httpquery_\"";
469 if (args["a"] == "q") {
470 navigationbar += " selected";
471 }
472 navigationbar += ">_tabtextsearch_</option>\n";
473 }
474
475 while (dochere != docend) {
476 text_t title = dochere->metadata["Title"].values[0];
477 if (title == "Date") { // a date list
478 text_t date_meta = (*dochere).metadata["mdtype"].values[0];
479 if (date_meta == "") {
480 date_meta = "Date";
481 }
482 date_extra = "&amp;dm="+date_meta;
483 }
484
485 navigationbar += "<option value=\"_httpdocument_&amp;cl=" + dochere->OID +date_extra+ "\"";
486 if (topparent == dochere->OID) {
487 navigationbar += " selected";
488 }
489 navigationbar += ">" + title + "</option>\n";
490 ++dochere;
491 }
492
493 navigationbar += "</select>\n";
494 navigationbar += "</form>\n";
495 }
496
497 disp.setmacro ("navigationbar", displayclass::defaultpackage, navigationbar);
498}
499
500// define all the macros which might be used by other actions
501// to produce pages.
502void documentaction::define_external_macros (displayclass &disp, cgiargsclass &args,
503 recptprotolistclass *protos, ostream &logout) {
504
505 // define_external_macros sets the following macros:
506
507 // _navigationbar_ this is the navigation bar containing the search button
508 // and any classification buttons - it goes at the top of
509 // most pages. for now we're assuming that there'll always
510 // be a search button - we should probably check that there
511 // is a query action before making this assumption
512
513 // _httpbrowseXXX_ the http macros for each classification (i.e. if there
514 // are Title and Creator classifications _httpbrowseTitle_
515 // and _httpbrowseCreator_ will be set
516
517 // _widthtspace_ the width of the spacers between buttons in navigation
518 // bar
519
520 // _httpdocument_ has '&f=1' added if displaying document inside a frame
521
522 // _gsdltop_ macro to replace _top targets with
523
524 // _httppagehome_ overridden home url if html collections have own homepage
525
526
527 // must have a valid collection server to continue
528
529 text_t &collection = args["c"];
530 if (collection.empty()) return;
531 recptproto *collectproto = protos->getrecptproto (collection, logout);
532 if (collectproto == NULL) return;
533
534 if (recpt == NULL) {
535 logout << "ERROR (documentaction::define_external_macros): This action does not contain\n"
536 << " information about any receptionists. The method set_receptionist was\n"
537 << " probably not called from the module which instantiated this action.\n";
538 return;
539 }
540
541 outconvertclass text_t2ascii;
542 comerror_t err;
543 InfoFiltersResponse_t filterinfo;
544 FilterResponse_t response;
545 text_tset metadata;
546
547 // get info on current collection and load up formatinfo
548 // I'd prefer not to do this here as we're getting
549 // collection info every time (and probably also getting
550 // it in other places some of the time) - One day I'll
551 // fix it ... maybe - Stefan.
552 ColInfoResponse_t cinfo;
553
554 collectproto->get_collectinfo (collection, cinfo, err, logout);
555 load_formatinfo (cinfo.format, args.getintarg("gt"));
556 // ColInfoResponse_t *cinfo = recpt->get_collectinfo_ptr (collectproto, collection, logout);
557 // if (cinfo == NULL) {
558 // logout << "ERROR (documentaction::define_external_macros): get_collectinfo_ptr returned NULL\n";
559 // return;
560 // }
561 //load_formatinfo (cinfo->format, args.getintarg("gt"));
562
563 if (formatinfo.DocumentUseHTML) {
564
565 // frame stuff
566 if (args["fc"] == "1") {
567 text_t httpdocument;
568 disp.expandstring (displayclass::defaultpackage, "_httpdocument_", httpdocument);
569 httpdocument += "&amp;f=1";
570 disp.setmacro ("httpdocument", displayclass::defaultpackage, httpdocument);
571 disp.setmacro ("gsdltop", displayclass::defaultpackage, "documenttop");
572 formatinfo.DocumentText = "[Text]";
573 }
574 text_tmap::iterator it = cinfo.format.find ("homepage");
575 if (it != cinfo.format.end()) {
576 text_t httppagehome;
577 if (get_link (args, protos, (*it).second, httppagehome, logout))
578 disp.setmacro ("httppagehome", displayclass::defaultpackage, httppagehome);
579 }
580 }
581
582 // don't want navigation bar if page is 'detached'
583 if (!args.getintarg("x")) {
584
585 collectproto->get_filterinfo (collection, filterinfo, err, logout);
586 if (err == noError) {
587 // check that there's a browse filter
588 if (filterinfo.filterNames.find ("BrowseFilter") != filterinfo.filterNames.end()) {
589
590 metadata.insert ("Title");
591 metadata.insert ("mdtype"); // in case there is a datelist
592 bool getParents = false;
593 get_children ("", collection, args["l"], metadata, getParents, collectproto, response, logout);
594
595 bool has_search_button = true;
596 collectproto->is_searchable(collection, has_search_button, err, logout);
597 if (err != noError) has_search_button = true;
598
599 // calculate width of spacers and set _widthtspace_ macro
600 if (args.getintarg("v") == 0) set_spacemacro (disp, response, has_search_button);
601
602 // set _navigationbar_ macro
603 set_navbarmacros (disp, response, has_search_button, args, cinfo);
604
605 }
606 } else {
607 logout << text_t2ascii
608 << "Error (documentaction::define_external_macros()) in call to get_filterinfo() "
609 << get_comerror_string (err);
610 }
611 }
612}
613
614bool documentaction::get_link (cgiargsclass &args, recptprotolistclass *protos,
615 const text_t &inlink, text_t &outlink, ostream &logout) {
616
617 FilterResponse_t response;
618 text_tset metadata;
619 metadata.insert ("section");
620
621 // check current collection first
622 recptproto *collectproto = protos->getrecptproto (args["c"], logout);
623
624 if (get_info (inlink, args["c"], args["l"], metadata, false, collectproto, response, logout)) {
625 if (!response.docInfo[0].metadata["section"].values[0].empty()) {
626 outlink = "_httpdocument_&amp;d=" + response.docInfo[0].metadata["section"].values[0];
627 return true;
628 }
629 }
630
631 // check all the other enabled collections
632
633 if (args["ccs"] == "1" && !args["cc"].empty()) {
634 text_tarray collections;
635 splitchar (args["cc"].begin(), args["cc"].end(), ',', collections);
636
637 text_tarray::const_iterator col_here = collections.begin();
638 text_tarray::const_iterator col_end = collections.end();
639
640 while (col_here != col_end) {
641
642 // don't need to check current collection again
643 if (*col_here == args["c"]) {++col_here; continue;}
644
645 collectproto = protos->getrecptproto (*col_here, logout);
646
647 if (get_info (inlink, *col_here, args["l"], metadata, false, collectproto, response, logout)) {
648 if (!response.docInfo[0].metadata["section"].values[0].empty()) {
649 outlink = "_httpdocument_&amp;c=" + *col_here + "&amp;d=" +
650 response.docInfo[0].metadata["section"].values[0];
651 return true;
652 }
653 }
654 ++col_here;
655 }
656 }
657 return false;
658}
659
660void documentaction::load_formatinfo (const text_tmap &colformat, int gt) {
661
662 formatinfo.clear();
663 text_tmap::const_iterator format_here = colformat.begin();
664 text_tmap::const_iterator format_end = colformat.end();
665
666 while (format_here != format_end) {
667 if (((*format_here).first == "DocumentImages") &&
668 ((*format_here).second == "true"))
669 formatinfo.DocumentImages = true;
670 else if (((*format_here).first == "DocumentTitles") &&
671 ((*format_here).second == "false"))
672 formatinfo.DocumentTitles = false;
673 else if ((*format_here).first == "DocumentHeading")
674 formatinfo.DocumentHeading = (*format_here).second;
675 else if (((*format_here).first == "DocumentContents") &&
676 ((*format_here).second == "false"))
677 formatinfo.DocumentContents = false;
678 else if (((*format_here).first == "DocumentArrowsBottom") &&
679 ((*format_here).second == "false"))
680 formatinfo.DocumentArrowsBottom = false;
681 else if (((*format_here).first == "DocumentArrowsTop") &&
682 ((*format_here).second == "true"))
683 formatinfo.DocumentArrowsTop = true;
684 else if ((*format_here).first == "DocumentButtons")
685 splitchar ((*format_here).second.begin(), (*format_here).second.end(),
686 '|', formatinfo.DocumentButtons);
687 else if ((*format_here).first == "DocumentText")
688 formatinfo.DocumentText = (*format_here).second;
689 else if ((*format_here).first == "RelatedDocuments")
690 formatinfo.RelatedDocuments = (*format_here).second;
691 else if (((*format_here).first == "DocumentUseHTML") &&
692 ((*format_here).second == "true"))
693 formatinfo.DocumentUseHTML = true;
694 else if (((*format_here).first == "AllowExtendedOptions") &&
695 ((*format_here).second == "true"))
696 formatinfo.AllowExtendedOptions = true;
697 else
698 formatinfo.formatstrings[(*format_here).first] = (*format_here).second;
699
700 ++format_here;
701 }
702
703 // never want arrows when text is expanded
704 if (gt) {
705 formatinfo.DocumentArrowsBottom = false;
706 formatinfo.DocumentArrowsTop = false;
707 }
708}
709
710
711// define all the macros which are related to pages generated
712// by this action. we also load up the formatinfo structure
713// here (it's used in do_action as well as here)
714void documentaction::define_internal_macros (displayclass &disp, cgiargsclass &args,
715 recptprotolistclass *protos, ostream &logout) {
716
717 // define_internal_macros sets the following macros:
718
719 // _pagetitle_ the title to be displayed at the top of the browser window
720
721 // _imagethispage_ the title image to be displayed at top right of page
722
723 // _navarrowsbottom_ this may be overridden to "" when format option
724 // DocumentArrowsBottom is false
725
726 // _navarrowstop_ likewise for DocumentArrowsTop
727
728 // _httpprevarrow_ links to next and previous sections of document - used
729 // _httpnextarrow_ by DocumentArrowsBottom
730
731 // _header_ the header macro is overridden if we're not at a top level
732 // classification to remove the title block
733
734 // _thisOID_ the OID (directory) of the current document - this corresponds
735 // to the archivedir metadata element
736
737 // must have a valid collection server to continue
738
739 text_t &collection = args["c"];
740 if (collection.empty()) return;
741 recptproto *collectproto = protos->getrecptproto (collection, logout);
742 if (collectproto == NULL) return;
743
744 text_tset metadata;
745 FilterResponse_t response;
746 text_t &arg_d = args["d"];
747 text_t &arg_cl = args["cl"];
748
749 if (!formatinfo.DocumentArrowsBottom) {
750 disp.setmacro("navarrowsbottom", "document", "");
751 } else if (!formatinfo.DocumentArrowsBottom) {
752 disp.setmacro("navarrowstop", "document", "");
753 }
754
755 if (!arg_d.empty() && (formatinfo.DocumentArrowsBottom || formatinfo.DocumentArrowsTop)) {
756 // set _httpprevarrow_ and _httpnextarrow_
757 set_arrow_macros (args, collectproto, disp, logout);
758 }
759
760 metadata.insert ("Title");
761
762 bool fulltoc = false;
763
764 if (args["cl"] != "search") {
765 // see if there's a FullTOC string
766 text_t cl_top, full_toc;
767 get_top (arg_cl, cl_top);
768 if (get_formatstring (cl_top, "FullTOC", formatinfo.formatstrings, full_toc))
769 if (full_toc == "true") fulltoc = true;
770 }
771
772 if (!arg_d.empty() && !fulltoc) {
773 // we're at document level
774
775 metadata.insert ("archivedir");
776
777 comerror_t err;
778 OptionValue_tarray options;
779 // we need to do the query again for the z3950proto
780 if (collectproto->get_protocol_name(err)=="z3950proto") {
781 OptionValue_t opt;
782 opt.name="Term";opt.value=args["q"];options.push_back(opt);
783 opt.name="QueryType";
784 opt.value=(args.getintarg("t")) ? "ranked" : "boolean";
785 options.push_back(opt);
786 opt.name="Index";opt.value=args["h"];options.push_back(opt);
787 }
788
789 //do not display relation metadata
790 disp.setmacro ("relateddoc", "document", "");
791
792 //if preferences indicate relevant docs should be collected
793 //and there is no particular format specified then display
794 //this default format.
795 if(args["rd"] == "1" && formatinfo.RelatedDocuments.empty()){
796
797 text_t relation = g_EmptyText; //string for displaying relation metadata
798
799 //call function in formattools.cpp which will return the text of the
800 //related documents in a vertical list. This is the default format.
801
802 if (get_info (arg_d, collection, args["l"], metadata, options, false, collectproto, response, logout))
803 relation += get_related_docs(collection, collectproto, response.docInfo[0], logout);
804
805 //set macro to be the related document string
806
807 disp.setmacro ("relateddoc", "document", relation);
808 }
809
810
811 // get metadata for this document and it's parents
812 if (get_info (arg_d, collection, args["l"], metadata, options,
813 true, collectproto, response, logout)) {
814
815 disp.setmacro ("header", "document", "_textheader_");
816
817 text_tarray pagetitlearray;
818 if (!response.docInfo[0].metadata["Title"].values[0].empty())
819 pagetitlearray.push_back (response.docInfo[0].metadata["Title"].values[0]);
820
821 if (args["gt"] != "1") {
822 MetadataInfo_t *parenttitle = response.docInfo[0].metadata["Title"].parent;
823 while (parenttitle != NULL) {
824 if (!parenttitle->values[0].empty())
825 pagetitlearray.push_back (parenttitle->values[0]);
826 parenttitle = parenttitle->parent;
827 }
828 }
829 reverse (pagetitlearray.begin(), pagetitlearray.end());
830 text_t pagetitle;
831 joinchar (pagetitlearray, ": ", pagetitle);
832 // remove html tags from the title
833 text_t::iterator open_tag=pagetitle.begin();
834 while (open_tag < pagetitle.end()) {
835 if (*open_tag == '<') {
836 text_t::iterator close_tag=open_tag+1;
837 text_t::iterator donechar=pagetitle.end();
838 while (close_tag < donechar) {
839 if (*close_tag == '>')
840 break;
841 ++close_tag;
842 }
843 if (close_tag < donechar) // remove this html tag, replace with space
844 *close_tag=' ';
845 pagetitle.erase(open_tag, close_tag);
846 }
847 ++open_tag;
848 }
849 disp.setmacro ("pagetitle", "document", pagetitle);
850
851 if (is_top (arg_d))
852 disp.setmacro ("thisOID", displayclass::defaultpackage, dm_safe(response.docInfo[0].metadata["archivedir"].values[0]));
853 else {
854 MetadataInfo_t *parentad = response.docInfo[0].metadata["archivedir"].parent;
855 text_t thisOID;
856 while (parentad != NULL) {
857 thisOID = parentad->values[0];
858 parentad = parentad->parent;
859 }
860 disp.setmacro ("thisOID", displayclass::defaultpackage, dm_safe(thisOID));
861 }
862 }
863 } else {
864 if (!arg_cl.empty()) {
865
866 // create the currentnodevalue macro - this is the value of the node
867 // in the hierarchy that is currently open.
868 if (get_info (arg_cl, collection, args["l"], metadata, false, collectproto, response, logout)) {
869 text_t &title = response.docInfo[0].metadata["Title"].values[0];
870 disp.setmacro ("currentnodevalue", "document", title);
871 }
872 // get metadata for top level classification
873 text_t classtop;
874 get_top (arg_cl, classtop);
875 metadata.insert ("childtype");
876 metadata.insert ("parameters");
877
878 if (get_info (classtop, collection, args["l"], metadata, false, collectproto, response, logout)) {
879
880 text_t &title = response.docInfo[0].metadata["Title"].values[0];
881 bool unknown = false;
882
883 // test the _iconXXXpage_ macro to see if image macros are
884 // defined for this type of classification - if not we'll
885 // just display the text
886 text_t tmp;
887 text_t macroname="_icon" + title + "page_";
888 disp.expandstring ("document", macroname, tmp);
889 if (tmp == macroname) unknown = true; // it wasn't expanded
890
891 if (unknown) {
892 disp.setmacro ("pagetitle", "document", title);
893 disp.setmacro ("imagethispage", "document", "<h2>" + title + "</h2>");
894 } else {
895 disp.setmacro ("pagetitle", "document", "_text" + title + "page_");
896 disp.setmacro ("imagethispage", "document", "_icon" + title + "page_");
897 }
898
899 //if the document is not a document from a collection
900 //we must set the macro to be an empty string
901 disp.setmacro ("relateddoc", "document", "");
902
903 // Add macros specific to the Collage/Phind classifiers
904 text_t &childtype = response.docInfo[0].metadata["childtype"].values[0];
905 if (childtype == "Collage") {
906
907 text_t::iterator a = arg_cl.begin();
908 text_t::iterator b = arg_cl.end();
909
910 bool collage = true;
911 while (a != b) {
912 if (*a == 46) collage = false;
913 ++a;
914 }
915
916 if (collage) {
917 disp.setmacro ("collageclassifier", "document", "_collageapplet_");
918
919 // Next, macros that control the way the classifier is displayed
920 text_t parameters = response.docInfo[0].metadata["parameters"].values[0];
921
922 // extract key=value pairs and set as macros
923 text_t::iterator here = parameters.begin();
924 text_t::iterator end = parameters.end();
925 text_t key, value;
926
927 while (here != end) {
928 // get the next key and value pair
929 here = getdelimitstr (here, end, '=', key);
930 here = getdelimitstr (here, end, ';', value);
931
932 // store this key=value pair
933 if (!key.empty() && !value.empty()) {
934 disp.setmacro ("collage"+key, "document", value);
935 }
936 }
937
938
939 }
940 }
941
942 if (childtype == "Phind") {
943
944 // First, a macro to display the phind classifier
945 disp.setmacro ("phindclassifier", "document", "_phindapplet_");
946
947 // Next, macros that control the way the classifier is displayed
948 text_t parameters = response.docInfo[0].metadata["parameters"].values[0];
949
950 // extract key=value pairs and set as macros
951 text_t::iterator here = parameters.begin();
952 text_t::iterator end = parameters.end();
953 text_t key, value;
954
955 while (here != end) {
956 // get the next key and value pair
957 here = getdelimitstr (here, end, '=', key);
958 here = getdelimitstr (here, end, ';', value);
959
960 // store this key=value pair
961 if (!key.empty() && !value.empty()) {
962 disp.setmacro (key, "document", value);
963 }
964 }
965 } // end if (childtype == "Phind")
966 }
967 } // end if (!arg_cl.empty()) {
968 }
969}
970
971
972bool documentaction::do_action (cgiargsclass &args, recptprotolistclass *protos,
973 browsermapclass *browsers, displayclass &disp,
974 outconvertclass &outconvert, ostream &textout,
975 ostream &logout) {
976
977 // must have a valid collection server
978 recptproto *collectproto = protos->getrecptproto (args["c"], logout);
979 if (collectproto == NULL) {
980 logout << "documentaction::do_action called with NULL collectproto\n";
981 textout << outconvert << disp << "_document:header_\n"
982 << "Error: Attempt to get document without setting collection\n"
983 << "_document:footer_\n";
984 } else {
985
986 text_t OID = args["d"];
987 if (OID.empty()) OID = args["cl"];
988 if (OID.empty()) {
989 textout << outconvert << disp << "Document contains no data_document:footer_\n";
990 return true;
991 }
992
993
994 if (formatinfo.DocumentUseHTML && !args["d"].empty()) {
995
996 if (args["f"] == "1") {
997 textout << outconvert << disp
998 << "<html><head></head>\n"
999 << "<frameset rows=\"68,*\" noresize border=0>\n"
1000 << "<frame scrolling=no frameborder=0 src=\"_gwcgi_?_optsite_e=_compressedoptions_&a=p&p=nav\">\n"
1001 << "<frame name=\"documenttop\" frameborder=0 src=\"_gwcgi_?_optsite_e=_compressedoptions_&a=d&d="
1002 << args["d"] << "\">"
1003 << "<noframes>\n"
1004 << "<p>You must have a frame enabled browser to view this.</p>\n"
1005 << "</noframes>\n"
1006 << "</frameset>\n"
1007 << "</html>\n";
1008 } else {
1009 output_document (OID, args, collectproto, browsers, disp, outconvert, textout, logout);
1010 }
1011 return true;
1012 }
1013
1014
1015 textout << outconvert << disp << "_document:header_\n"
1016 << "_document:content_\n";
1017
1018 // output the table of contents
1019 output_toc (args, browsers, formatinfo, collectproto,
1020 disp, outconvert, textout, logout);
1021
1022 if (formatinfo.DocumentArrowsTop && !args["d"].empty()) {
1023 textout << outconvert << disp << "_document:navarrowstop_\n";
1024 }
1025
1026 //output the related documents (may be the empty string)
1027 //will not output the docs if a format string is specified
1028 textout << outconvert << disp << "_document:relateddoc_\n";
1029
1030 // output the document text
1031 if (!args["d"].empty()) {
1032 textout << outconvert << "<p>\n";
1033 output_document (OID, args, collectproto, browsers, disp, outconvert, textout, logout);
1034 }
1035
1036 textout << outconvert << disp << "_document:footer_\n";
1037 }
1038 return true;
1039}
1040
1041void documentaction::output_text (ResultDocInfo_t &docinfo, format_t *formatlistptr,
1042 const TermInfo_tarray &terminfo, const text_t &OID,
1043 bool highlight, int hastxt, int wanttext,
1044 text_t &collection, recptproto *collectproto,
1045 browsermapclass *browsers, displayclass &disp,
1046 outconvertclass &outconvert, ostream &textout,
1047 ostream &logout, cgiargsclass &args) {
1048
1049 DocumentRequest_t docrequest;
1050 DocumentResponse_t docresponse;
1051 comerror_t err;
1052 if (hastxt == 1) {
1053
1054 if (wanttext) {
1055 // get the text
1056 docrequest.OID = OID;
1057 collectproto->get_document (collection, docrequest, docresponse, err, logout);
1058
1059 // cut down on overhead by not using formattools if we only want the text
1060 // (wanttext will equal 2 if we want text and other stuff too)
1061 if (wanttext == 1)
1062 if (highlight) {
1063 highlighttext(docresponse.doc, args, terminfo, disp, outconvert, textout);
1064 } else {
1065 textout << outconvert << disp << docresponse.doc;
1066 }
1067 }
1068
1069 if (wanttext != 1) {
1070 text_tmap options;
1071 options["text"] = docresponse.doc;
1072
1073 if (formatinfo.AllowExtendedOptions) {
1074 load_extended_options(options, args, browsers, formatinfo,
1075 collectproto, disp, outconvert, logout);
1076 }
1077
1078 text_t doctext
1079 = get_formatted_string (collection, collectproto, docinfo, disp,
1080 formatlistptr, options, logout);
1081
1082 if (highlight) {
1083 highlighttext(doctext, args, terminfo, disp, outconvert, textout);
1084 } else {
1085 textout << outconvert << disp << doctext;
1086 }
1087 }
1088 }
1089}
1090
1091
1092void documentaction::output_document (const text_t &OID, cgiargsclass &args,
1093 recptproto *collectproto, browsermapclass *browsers,
1094 displayclass &disp, outconvertclass &outconvert,
1095 ostream &textout, ostream &logout) {
1096 FilterResponse_t inforesponse;
1097 FilterResponse_t queryresponse;
1098 text_tset metadata;
1099 bool getParents = false;
1100 bool highlight = false;
1101 int wanttext = 0;
1102 int arg_gt = args.getintarg("gt");
1103 text_t &collection = args["c"];
1104
1105 // if we have a query string and highlighting is turned on we need
1106 // to redo the query to get the terms for highlighting
1107
1108 if (!args["q"].empty() && args.getintarg("hl")) {
1109
1110 ColInfoResponse_t *cinfo = recpt->get_collectinfo_ptr (collectproto, collection, logout);
1111 bool segment = false;
1112 if (cinfo != NULL) {
1113 segment = cinfo->isSegmented;
1114 }
1115 FilterRequest_t request;
1116 comerror_t err;
1117 request.filterResultOptions = FRmatchTerms;
1118 text_t formattedstring = args["q"];
1119 format_querystring (formattedstring, args.getintarg("b"), segment);
1120 set_queryfilter_options (request, formattedstring, args);
1121 args["q"] = formattedstring; // need to set this here for phrase
1122 // highlighting, where we look at the querystring
1123 collectproto->filter (args["c"], request, queryresponse, err, logout);
1124 if (err != noError) {
1125 outconvertclass text_t2ascii;
1126 logout << text_t2ascii
1127 << "documentaction::output_document: call to QueryFilter failed "
1128 << "for " << args["c"] << " collection (" << get_comerror_string (err) << ")\n";
1129 highlight = false;
1130 } else {
1131 highlight = true;
1132 }
1133 }
1134
1135 format_t *formatlistptr = new format_t();
1136 parse_formatstring (formatinfo.DocumentText, formatlistptr, metadata, getParents);
1137
1138 metadata.insert ("hastxt");
1139 metadata.insert ("haschildren");
1140
1141 if (formatinfo.DocumentText == "[Text]")
1142 wanttext = 1;
1143 else {
1144 char *docformat = formatinfo.DocumentText.getcstr();
1145 if (strstr (docformat, "[Text]") != NULL)
1146 wanttext = 2;
1147 delete []docformat;
1148 }
1149
1150 if (get_info (OID, collection, args["l"], metadata, getParents, collectproto, inforesponse, logout)) {
1151 int hastxt = inforesponse.docInfo[0].metadata["hastxt"].values[0].getint();
1152 int haschildren = inforesponse.docInfo[0].metadata["haschildren"].values[0].getint();
1153
1154 if (arg_gt == 0) {
1155 output_text (inforesponse.docInfo[0], formatlistptr, queryresponse.termInfo,
1156 OID, highlight, hastxt, wanttext, collection, collectproto,
1157 browsers, disp, outconvert, textout, logout, args);
1158
1159
1160 } else {
1161
1162 ResultDocInfo_t thisdocinfo = inforesponse.docInfo[0];
1163
1164 // text is to be expanded
1165 text_t exOID = OID;
1166 if (haschildren != 1) exOID = get_parent (OID);
1167 if (exOID.empty()) exOID = OID;
1168
1169 // if we're not in a document (i.e. we're in a top level classification)
1170 // we need to pass "is_classify = true" to get_contents so that it
1171 // doesn't recurse all the way through each document in the classification
1172 bool is_classify = false;
1173 if (args["d"].empty()) is_classify = true;
1174
1175 get_contents (exOID, is_classify, metadata, collection, args["l"],
1176 collectproto, inforesponse, logout);
1177
1178 ResultDocInfo_tarray::iterator sechere = inforesponse.docInfo.begin();
1179 ResultDocInfo_tarray::iterator secend = inforesponse.docInfo.end();
1180
1181 if (arg_gt == 1) {
1182 // check if there are more than 10 sections containing text to be expanded -
1183 // if there are output warning message - this isn't a great way to do this
1184 // since the sections may be very large or very small - one day I'll fix it
1185 // -- Stefan.
1186 int seccount = 0;
1187 while (sechere != secend) {
1188 int shastxt = (*sechere).metadata["hastxt"].values[0].getint();
1189 if (shastxt == 1) ++seccount;
1190 if (seccount > 10) break;
1191 ++sechere;
1192 }
1193 if (seccount > 10) {
1194 // more than 10 sections so output warning message and text
1195 // for current section only
1196 textout << outconvert << disp << "_document:textltwarning_";
1197
1198 output_text (thisdocinfo, formatlistptr, queryresponse.termInfo,
1199 OID, highlight, hastxt, wanttext, collection,
1200 collectproto, browsers, disp, outconvert, textout, logout, args);
1201
1202 }
1203 else arg_gt = 2;
1204 }
1205
1206 if (arg_gt == 2) {
1207 // get the text for each section
1208 sechere = inforesponse.docInfo.begin();
1209 int count = 0;
1210 while (sechere != secend) {
1211 textout << outconvert << disp << "\n<p><a name=" << (*sechere).OID << "></a>\n";
1212
1213 int shastxt = (*sechere).metadata["hastxt"].values[0].getint();
1214
1215 output_text (*sechere, formatlistptr, queryresponse.termInfo,
1216 (*sechere).OID, highlight, shastxt, wanttext, collection,
1217 collectproto, browsers, disp, outconvert, textout, logout, args);
1218 ++count;
1219 ++sechere;
1220 }
1221 }
1222 }
1223 }
1224 delete formatlistptr;
1225}
1226
1227void documentaction::set_arrow_macros (cgiargsclass &args, recptproto *collectproto,
1228 displayclass &disp, ostream &logout) {
1229
1230 text_tset metadata;
1231 FilterResponse_t response;
1232 FilterResponse_t presponse;
1233
1234 int haschildren = 0;
1235 text_tarray next_siblings;
1236 text_t previous_sibling;
1237 text_t &arg_d = args["d"];
1238
1239 // get info on current section
1240 metadata.insert("haschildren");
1241 if (!get_info(arg_d, args["c"], args["l"], metadata, false, collectproto, response, logout)) {
1242 logout << "error 1 in documentaction::set_arrow_macros\n";
1243 return;
1244 }
1245 haschildren = response.docInfo[0].metadata["haschildren"].values[0].getint();
1246
1247 // get OIDs of next and previous siblings of current section and
1248 // all it's parents
1249 int parentcount = countchar(arg_d.begin(), arg_d.end(), '.');
1250 text_t thisoid = arg_d;
1251 while (parentcount > 0) {
1252 get_children (get_parent(thisoid), args["c"], args["l"], metadata, false,
1253 collectproto, response, logout);
1254 ResultDocInfo_tarray::iterator this_sibling = response.docInfo.begin();
1255 ResultDocInfo_tarray::iterator last_sibling = response.docInfo.end();
1256 bool first = true;
1257 while (this_sibling != last_sibling) {
1258 if ((*this_sibling).OID == thisoid) {
1259 if (!first && next_siblings.empty()) {
1260 previous_sibling = (*(this_sibling-1)).OID;
1261 int section_has_children = (*(this_sibling-1)).metadata["haschildren"].values[0].getint();
1262 // if previous sibling has children we need to recurse
1263 // down to the last descendant
1264 while (section_has_children) {
1265 get_children (previous_sibling, args["c"], args["l"], metadata, false,
1266 collectproto, presponse, logout);
1267 if (!presponse.docInfo.empty()) {
1268 ResultDocInfo_tarray::iterator it = presponse.docInfo.end() - 1;
1269 previous_sibling = (*it).OID;
1270 section_has_children = (*it).metadata["haschildren"].values[0].getint();
1271 } else {
1272 section_has_children = 0; // this should never happen
1273 }
1274 }
1275 }
1276
1277 if ((this_sibling+1) != last_sibling) {
1278 next_siblings.push_back((*(this_sibling+1)).OID);
1279 } else {
1280 next_siblings.push_back("");
1281 }
1282 break;
1283 }
1284 ++this_sibling;
1285 first = false;
1286 }
1287 thisoid = get_parent(thisoid);
1288 --parentcount;
1289 }
1290
1291 // work out values for next link
1292 if (haschildren) {
1293 disp.setmacro ("httpnextarrow", "document", "_httpdocument_&amp;cl=" + args["cl"] +
1294 "&amp;d=" + arg_d + ".fc");
1295 } else {
1296 text_tarray::const_iterator h = next_siblings.begin();
1297 text_tarray::const_iterator e = next_siblings.end();
1298 while (h != e) {
1299 if (!(*h).empty()) {
1300 disp.setmacro ("httpnextarrow", "document", "_httpdocument_&amp;cl=" + args["cl"] +
1301 "&amp;d=" + *h);
1302 break;
1303 }
1304 ++h;
1305 }
1306 }
1307
1308 // work out value for previous link
1309 if (!previous_sibling.empty()) {
1310 disp.setmacro ("httpprevarrow", "document", "_httpdocument_&amp;cl=" + args["cl"] +
1311 "&amp;d=" + previous_sibling);
1312 } else {
1313 if (countchar(arg_d.begin(), arg_d.end(), '.')) {
1314 disp.setmacro ("httpprevarrow", "document", "_httpdocument_&amp;cl=" + args["cl"] +
1315 "&amp;d=" + get_parent(arg_d));
1316 }
1317 }
1318}
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