source: trunk/gsdl/src/recpt/documentaction.cpp@ 9923

Last change on this file since 9923 was 9923, checked in by davidb, 19 years ago

Added curly-brackets around if-statement.
  • Property svn:executable set to *
  • Property svn:keywords set to Author Date Id Revision
File size: 44.4 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 += "<nobr>\n";
383 if (has_search_button) {
384 if (args["a"] == "q") {
385 navigationbar += "_icontabsearchgreen_";
386 } else {
387 navigationbar += "_imagesearch_";
388 }
389 }
390
391 if (has_search_button || numc == 0) navigationbar += "_imagespacer_";
392
393 bool first = true;
394 while (dochere != docend) {
395 date_extra = g_EmptyText;
396 if (!first) navigationbar += "_imagespacer_";
397
398 text_t title = (*dochere).metadata["Title"].values[0];
399 if (title == "Date") { // a date list
400 text_t date_meta = (*dochere).metadata["mdtype"].values[0];
401 if (date_meta == g_EmptyText) {
402 date_meta = "Date";
403 }
404 date_extra = "&dm="+date_meta;
405 }
406 bool unknown = false;
407
408 // test the _XXXwidth_ macro to see if image macros are
409 // defined for this type of classification - if not we'll
410 // just display the text
411 text_t tmpwidth;
412 disp.expandstring ("document", "_" + title + "width_", tmpwidth);
413 if (tmpwidth == ("_" + title + "width_")) unknown = true;
414
415 // if we're inside a document all the classification buttons should be enabled
416 if (arg_d.empty() && ((*dochere).OID == topparent)) {
417 if (unknown) navigationbar += " " + title + " ";
418 else navigationbar += "_icontab" + title + "green_";
419 } else {
420
421 // set the _httpbrowseXXX_ macro for this classification
422 if (unknown) navigationbar += " <a href=\"_httpdocument_&cl=" +
423 (*dochere).OID + date_extra+"\">" + title + "</a> ";
424 else {
425 navigationbar += "_image" + title + "_";
426 disp.setmacro ("httpbrowse" + title, displayclass::defaultpackage, "_httpdocument_&cl=" + (*dochere).OID+date_extra);
427 }
428 }
429 ++dochere;
430 first = false;
431 }
432
433 if (!has_search_button && numc == 1) navigationbar += "_imagespacer_";
434
435 navigationbar += "\n</nobr>\n";
436 navigationbar += "<!-- End of Navigation Bar -->\n";
437
438 } else {
439
440 navigationbar = "<form method=\"get\" name=\"navform\">\n";
441 navigationbar += "<select name=\"navbar\" onChange=\"location.href=";
442 navigationbar += "document.navform.navbar.options[document.navform.navbar.selectedIndex].value\">\n";
443
444 if (args["a"] != "q" && args["cl"].empty()) {
445 navigationbar += "<option value=\"\" selected>_textselectpage_</option>\n";
446 }
447
448 if (has_search_button) {
449 navigationbar += "<option value=\"_httpquery_\"";
450 if (args["a"] == "q") {
451 navigationbar += " selected";
452 }
453 navigationbar += ">_texticontabsearchgreen_</option>\n";
454 }
455
456 while (dochere != docend) {
457 text_t title = dochere->metadata["Title"].values[0];
458 if (title == "Date") { // a date list
459 text_t date_meta = (*dochere).metadata["mdtype"].values[0];
460 if (date_meta == "") {
461 date_meta = "Date";
462 }
463 date_extra = "&dm="+date_meta;
464 }
465
466 navigationbar += "<option value=\"_httpdocument_&cl=" + dochere->OID +date_extra+ "\"";
467 if (topparent == dochere->OID) {
468 navigationbar += " selected";
469 }
470 navigationbar += ">" + title + "</option>\n";
471 ++dochere;
472 }
473
474 navigationbar += "</select>\n";
475 navigationbar += "</form>\n";
476 }
477
478 disp.setmacro ("navigationbar", displayclass::defaultpackage, navigationbar);
479}
480
481// define all the macros which might be used by other actions
482// to produce pages.
483void documentaction::define_external_macros (displayclass &disp, cgiargsclass &args,
484 recptprotolistclass *protos, ostream &logout) {
485
486 // define_external_macros sets the following macros:
487
488 // _navigationbar_ this is the navigation bar containing the search button
489 // and any classification buttons - it goes at the top of
490 // most pages. for now we're assuming that there'll always
491 // be a search button - we should probably check that there
492 // is a query action before making this assumption
493
494 // _httpbrowseXXX_ the http macros for each classification (i.e. if there
495 // are Title and Creator classifications _httpbrowseTitle_
496 // and _httpbrowseCreator_ will be set
497
498 // _widthtspace_ the width of the spacers between buttons in navigation
499 // bar
500
501 // _httpdocument_ has '&f=1' added if displaying document inside a frame
502
503 // _gsdltop_ macro to replace _top targets with
504
505 // _httppagehome_ overridden home url if html collections have own homepage
506
507 // _usability_ a macro for remote usability reporting
508
509 // must have a valid collection server to continue
510
511 text_t &collection = args["c"];
512 if (collection.empty()) return;
513 recptproto *collectproto = protos->getrecptproto (collection, logout);
514 if (collectproto == NULL) return;
515
516 if (recpt == NULL) {
517 logout << "ERROR (documentaction::define_external_macros): This action does not contain\n"
518 << " information about any receptionists. The method set_receptionist was\n"
519 << " probably not called from the module which instantiated this action.\n";
520 return;
521 }
522
523 outconvertclass text_t2ascii;
524 comerror_t err;
525 InfoFiltersResponse_t filterinfo;
526 FilterResponse_t response;
527 text_tset metadata;
528
529 // get info on current collection and load up formatinfo
530 // I'd prefer not to do this here as we're getting
531 // collection info every time (and probably also getting
532 // it in other places some of the time) - One day I'll
533 // fix it ... maybe - Stefan.
534 ColInfoResponse_t cinfo;
535
536 collectproto->get_collectinfo (collection, cinfo, err, logout);
537 load_formatinfo (cinfo.format, args.getintarg("gt"));
538 // ColInfoResponse_t *cinfo = recpt->get_collectinfo_ptr (collectproto, collection, logout);
539 // if (cinfo == NULL) {
540 // logout << "ERROR (documentaction::define_external_macros): get_collectinfo_ptr returned NULL\n";
541 // return;
542 // }
543 //load_formatinfo (cinfo->format, args.getintarg("gt"));
544
545 if (formatinfo.DocumentUseHTML) {
546
547 // frame stuff
548 if (args["fc"] == "1") {
549 text_t httpdocument;
550 disp.expandstring (displayclass::defaultpackage, "_httpdocument_", httpdocument);
551 httpdocument += "&f=1";
552 disp.setmacro ("httpdocument", displayclass::defaultpackage, httpdocument);
553 disp.setmacro ("gsdltop", displayclass::defaultpackage, "documenttop");
554 formatinfo.DocumentText = "[Text]";
555 }
556 text_tmap::iterator it = cinfo.format.find ("homepage");
557 if (it != cinfo.format.end()) {
558 text_t httppagehome;
559 if (get_link (args, protos, (*it).second, httppagehome, logout))
560 disp.setmacro ("httppagehome", displayclass::defaultpackage, httppagehome);
561 }
562 }
563
564 // don't want navigation bar if page is 'detached'
565 if (!args.getintarg("x")) {
566
567 collectproto->get_filterinfo (collection, filterinfo, err, logout);
568 if (err == noError) {
569 // check that there's a browse filter
570 if (filterinfo.filterNames.find ("BrowseFilter") != filterinfo.filterNames.end()) {
571
572 metadata.insert ("Title");
573 metadata.insert ("mdtype"); // in case there is a datelist
574 bool getParents = false;
575 get_children ("", collection, args["l"], metadata, getParents, collectproto, response, logout);
576
577 bool has_search_button = true;
578 collectproto->is_searchable(collection, has_search_button, err, logout);
579 if (err != noError) has_search_button = true;
580
581 // calculate width of spacers and set _widthtspace_ macro
582 if (args.getintarg("v") == 0) set_spacemacro (disp, response, has_search_button);
583
584 // set _navigationbar_ macro
585 set_navbarmacros (disp, response, has_search_button, args, cinfo);
586
587 }
588 } else {
589 logout << text_t2ascii
590 << "Error (documentaction::define_external_macros()) in call to get_filterinfo() "
591 << get_comerror_string (err);
592 }
593 }
594 text_tmap::iterator usability = cinfo.format.find("Usability");
595 if(usability!=cinfo.format.end()){
596 disp.setmacro("usability",displayclass::defaultpackage,"_imageusab_");
597 disp.setmacro("usabinterface",displayclass::defaultpackage,("_usab"+(*usability).second+"_"));
598 disp.setmacro("usabilityscript", displayclass::defaultpackage, "_usabshowscript_");
599 }
600}
601
602bool documentaction::get_link (cgiargsclass &args, recptprotolistclass *protos,
603 const text_t &inlink, text_t &outlink, ostream &logout) {
604
605 FilterResponse_t response;
606 text_tset metadata;
607 metadata.insert ("section");
608
609 // check current collection first
610 recptproto *collectproto = protos->getrecptproto (args["c"], logout);
611
612 if (get_info (inlink, args["c"], args["l"], metadata, false, collectproto, response, logout)) {
613 if (!response.docInfo[0].metadata["section"].values[0].empty()) {
614 outlink = "_httpdocument_&d=" + response.docInfo[0].metadata["section"].values[0];
615 return true;
616 }
617 }
618
619 // check all the other enabled collections
620
621 if (args["ccs"] == "1" && !args["cc"].empty()) {
622 text_tarray collections;
623 splitchar (args["cc"].begin(), args["cc"].end(), ',', collections);
624
625 text_tarray::const_iterator col_here = collections.begin();
626 text_tarray::const_iterator col_end = collections.end();
627
628 while (col_here != col_end) {
629
630 // don't need to check current collection again
631 if (*col_here == args["c"]) {++col_here; continue;}
632
633 collectproto = protos->getrecptproto (*col_here, logout);
634
635 if (get_info (inlink, *col_here, args["l"], metadata, false, collectproto, response, logout)) {
636 if (!response.docInfo[0].metadata["section"].values[0].empty()) {
637 outlink = "_httpdocument_&c=" + *col_here + "&d=" +
638 response.docInfo[0].metadata["section"].values[0];
639 return true;
640 }
641 }
642 ++col_here;
643 }
644 }
645 return false;
646}
647
648void documentaction::load_formatinfo (const text_tmap &colformat, int gt) {
649
650 formatinfo.clear();
651 text_tmap::const_iterator format_here = colformat.begin();
652 text_tmap::const_iterator format_end = colformat.end();
653
654 while (format_here != format_end) {
655 if (((*format_here).first == "DocumentImages") &&
656 ((*format_here).second == "true"))
657 formatinfo.DocumentImages = true;
658 else if (((*format_here).first == "DocumentTitles") &&
659 ((*format_here).second == "false"))
660 formatinfo.DocumentTitles = false;
661 else if ((*format_here).first == "DocumentHeading")
662 formatinfo.DocumentHeading = (*format_here).second;
663 else if (((*format_here).first == "DocumentContents") &&
664 ((*format_here).second == "false"))
665 formatinfo.DocumentContents = false;
666 else if (((*format_here).first == "DocumentArrowsBottom") &&
667 ((*format_here).second == "false"))
668 formatinfo.DocumentArrowsBottom = false;
669 else if (((*format_here).first == "DocumentArrowsTop") &&
670 ((*format_here).second == "true"))
671 formatinfo.DocumentArrowsTop = true;
672 else if ((*format_here).first == "DocumentButtons")
673 splitchar ((*format_here).second.begin(), (*format_here).second.end(),
674 '|', formatinfo.DocumentButtons);
675 else if ((*format_here).first == "DocumentText")
676 formatinfo.DocumentText = (*format_here).second;
677 else if ((*format_here).first == "RelatedDocuments")
678 formatinfo.RelatedDocuments = (*format_here).second;
679 else if (((*format_here).first == "DocumentUseHTML") &&
680 ((*format_here).second == "true"))
681 formatinfo.DocumentUseHTML = true;
682 else if (((*format_here).first == "AllowExtendedOptions") &&
683 ((*format_here).second == "true"))
684 formatinfo.AllowExtendedOptions = true;
685 else
686 formatinfo.formatstrings[(*format_here).first] = (*format_here).second;
687
688 ++format_here;
689 }
690
691 // never want arrows when text is expanded
692 if (gt) {
693 formatinfo.DocumentArrowsBottom = false;
694 formatinfo.DocumentArrowsTop = false;
695 }
696}
697
698
699// define all the macros which are related to pages generated
700// by this action. we also load up the formatinfo structure
701// here (it's used in do_action as well as here)
702void documentaction::define_internal_macros (displayclass &disp, cgiargsclass &args,
703 recptprotolistclass *protos, ostream &logout) {
704
705 // define_internal_macros sets the following macros:
706
707 // _pagetitle_ the title to be displayed at the top of the browser window
708
709 // _imagethispage_ the title image to be displayed at top right of page
710
711 // _navarrowsbottom_ this may be overridden to "" when format option
712 // DocumentArrowsBottom is false
713
714 // _navarrowstop_ likewise for DocumentArrowsTop
715
716 // _httpprevarrow_ links to next and previous sections of document - used
717 // _httpnextarrow_ by DocumentArrowsBottom
718
719 // _header_ the header macro is overridden if we're not at a top level
720 // classification to remove the title block
721
722 // _thisOID_ the OID (directory) of the current document - this corresponds
723 // to the archivedir metadata element
724
725 // must have a valid collection server to continue
726
727 text_t &collection = args["c"];
728 if (collection.empty()) return;
729 recptproto *collectproto = protos->getrecptproto (collection, logout);
730 if (collectproto == NULL) return;
731
732 text_tset metadata;
733 FilterResponse_t response;
734 text_t &arg_d = args["d"];
735 text_t &arg_cl = args["cl"];
736
737 if (!formatinfo.DocumentArrowsBottom) {
738 disp.setmacro("navarrowsbottom", "document", "");
739 } else if (!formatinfo.DocumentArrowsBottom) {
740 disp.setmacro("navarrowstop", "document", "");
741 }
742
743 if (!arg_d.empty() && (formatinfo.DocumentArrowsBottom || formatinfo.DocumentArrowsTop)) {
744 // set _httpprevarrow_ and _httpnextarrow_
745 set_arrow_macros (args, collectproto, disp, logout);
746 }
747
748 metadata.insert ("Title");
749
750 bool fulltoc = false;
751
752 if (args["cl"] != "search") {
753 // see if there's a FullTOC string
754 text_t cl_top, full_toc;
755 get_top (arg_cl, cl_top);
756 if (get_formatstring (cl_top, "FullTOC", formatinfo.formatstrings, full_toc))
757 if (full_toc == "true") fulltoc = true;
758 }
759
760 if (!arg_d.empty() && !fulltoc) {
761 // we're at document level
762
763 metadata.insert ("archivedir");
764
765 comerror_t err;
766 OptionValue_tarray options;
767 // we need to do the query again for the z3950proto
768 if (collectproto->get_protocol_name(err)=="z3950proto") {
769 OptionValue_t opt;
770 opt.name="Term";opt.value=args["q"];options.push_back(opt);
771 opt.name="QueryType";
772 opt.value=(args.getintarg("t")) ? "ranked" : "boolean";
773 options.push_back(opt);
774 opt.name="Index";opt.value=args["h"];options.push_back(opt);
775 }
776
777 //do not display relation metadata
778 disp.setmacro ("relateddoc", "document", "");
779
780 //if preferences indicate relevant docs should be collected
781 //and there is no particular format specified then display
782 //this default format.
783 if(args["rd"] == "1" && formatinfo.RelatedDocuments.empty()){
784
785 text_t relation = g_EmptyText; //string for displaying relation metadata
786
787 //call function in formattools.cpp which will return the text of the
788 //related documents in a vertical list. This is the default format.
789
790 if (get_info (arg_d, collection, args["l"], metadata, options, false, collectproto, response, logout))
791 relation += get_related_docs(collection, collectproto, response.docInfo[0], logout);
792
793 //set macro to be the related document string
794
795 disp.setmacro ("relateddoc", "document", relation);
796 }
797
798
799 // get metadata for this document and it's parents
800 if (get_info (arg_d, collection, args["l"], metadata, options,
801 true, collectproto, response, logout)) {
802
803 disp.setmacro ("header", "document", "_textheader_");
804
805 text_tarray pagetitlearray;
806 if (!response.docInfo[0].metadata["Title"].values[0].empty())
807 pagetitlearray.push_back (response.docInfo[0].metadata["Title"].values[0]);
808
809 if (args["gt"] != "1") {
810 MetadataInfo_t *parenttitle = response.docInfo[0].metadata["Title"].parent;
811 while (parenttitle != NULL) {
812 if (!parenttitle->values[0].empty())
813 pagetitlearray.push_back (parenttitle->values[0]);
814 parenttitle = parenttitle->parent;
815 }
816 }
817 reverse (pagetitlearray.begin(), pagetitlearray.end());
818 text_t pagetitle;
819 joinchar (pagetitlearray, ": ", pagetitle);
820 // remove html tags from the title
821 text_t::iterator open_tag=pagetitle.begin();
822 while (open_tag < pagetitle.end()) {
823 if (*open_tag == '<') {
824 text_t::iterator close_tag=open_tag+1;
825 text_t::iterator donechar=pagetitle.end();
826 while (close_tag < donechar) {
827 if (*close_tag == '>')
828 break;
829 ++close_tag;
830 }
831 if (close_tag < donechar) // remove this html tag, replace with space
832 *close_tag=' ';
833 pagetitle.erase(open_tag, close_tag);
834 }
835 ++open_tag;
836 }
837 disp.setmacro ("pagetitle", "document", pagetitle);
838
839 if (is_top (arg_d))
840 disp.setmacro ("thisOID", displayclass::defaultpackage, dm_safe(response.docInfo[0].metadata["archivedir"].values[0]));
841 else {
842 MetadataInfo_t *parentad = response.docInfo[0].metadata["archivedir"].parent;
843 text_t thisOID;
844 while (parentad != NULL) {
845 thisOID = parentad->values[0];
846 parentad = parentad->parent;
847 }
848 disp.setmacro ("thisOID", displayclass::defaultpackage, dm_safe(thisOID));
849 }
850 }
851 } else {
852 if (!arg_cl.empty()) {
853
854 // create the currentnodevalue macro - this is the value of the node
855 // in the hierarchy that is currently open.
856 if (get_info (arg_cl, collection, args["l"], metadata, false, collectproto, response, logout)) {
857 text_t &title = response.docInfo[0].metadata["Title"].values[0];
858 disp.setmacro ("currentnodevalue", "document", title);
859 }
860 // get metadata for top level classification
861 text_t classtop;
862 get_top (arg_cl, classtop);
863 metadata.insert ("childtype");
864 metadata.insert ("parameters");
865
866 if (get_info (classtop, collection, args["l"], metadata, false, collectproto, response, logout)) {
867
868 text_t &title = response.docInfo[0].metadata["Title"].values[0];
869 bool unknown = false;
870
871 // test the _XXXwidth_ macro to see if image macros are
872 // defined for this type of classification - if not we'll
873 // just display the text
874 text_t tmp;
875 disp.expandstring ("document", "_" + title + "width_", tmp);
876 if (tmp == ("_" + title + "width_")) unknown = true;
877
878 if (unknown) {
879 disp.setmacro ("pagetitle", "document", title);
880 disp.setmacro ("imagethispage", "document", "<h2>" + title + "</h2>");
881 } else {
882 disp.setmacro ("pagetitle", "document", "_text" + title + "page_");
883 disp.setmacro ("imagethispage", "document", "_icon" + title + "page_");
884 }
885
886 //if the document is not a document from a collection
887 //we must set the macro to be an empty string
888 disp.setmacro ("relateddoc", "document", "");
889
890 // Add macros specific to the Collage/Phind classifiers
891 text_t &childtype = response.docInfo[0].metadata["childtype"].values[0];
892 if (childtype == "Collage") {
893
894 text_t::iterator a = arg_cl.begin();
895 text_t::iterator b = arg_cl.end();
896
897 bool collage = true;
898 while (a != b) {
899 if (*a == 46) collage = false;
900 ++a;
901 }
902
903 if (collage) {
904 disp.setmacro ("collageclassifier", "document", "_collageapplet_");
905
906 // Next, macros that control the way the classifier is displayed
907 text_t parameters = response.docInfo[0].metadata["parameters"].values[0];
908
909 // extract key=value pairs and set as macros
910 text_t::iterator here = parameters.begin();
911 text_t::iterator end = parameters.end();
912 text_t key, value;
913
914 while (here != end) {
915 // get the next key and value pair
916 here = getdelimitstr (here, end, '=', key);
917 here = getdelimitstr (here, end, ';', value);
918
919 // store this key=value pair
920 if (!key.empty() && !value.empty()) {
921 disp.setmacro ("collage"+key, "document", value);
922 }
923 }
924
925
926 }
927 }
928
929 if (childtype == "Phind") {
930
931 // First, a macro to display the phind classifier
932 disp.setmacro ("phindclassifier", "document", "_phindapplet_");
933
934 // Next, macros that control the way the classifier is displayed
935 text_t parameters = response.docInfo[0].metadata["parameters"].values[0];
936
937 // extract key=value pairs and set as macros
938 text_t::iterator here = parameters.begin();
939 text_t::iterator end = parameters.end();
940 text_t key, value;
941
942 while (here != end) {
943 // get the next key and value pair
944 here = getdelimitstr (here, end, '=', key);
945 here = getdelimitstr (here, end, ';', value);
946
947 // store this key=value pair
948 if (!key.empty() && !value.empty()) {
949 disp.setmacro (key, "document", value);
950 }
951 }
952 } // end if (childtype == "Phind")
953 }
954 } // end if (!arg_cl.empty()) {
955 }
956}
957
958
959bool documentaction::do_action (cgiargsclass &args, recptprotolistclass *protos,
960 browsermapclass *browsers, displayclass &disp,
961 outconvertclass &outconvert, ostream &textout,
962 ostream &logout) {
963
964 // must have a valid collection server
965 recptproto *collectproto = protos->getrecptproto (args["c"], logout);
966 if (collectproto == NULL) {
967 logout << "documentaction::do_action called with NULL collectproto\n";
968 textout << outconvert << disp << "_document:header_\n"
969 << "Error: Attempt to get document without setting collection\n"
970 << "_document:footer_\n";
971 } else {
972
973 text_t OID = args["d"];
974 if (OID.empty()) OID = args["cl"];
975 if (OID.empty()) {
976 textout << outconvert << disp << "Document contains no data_document:footer_\n";
977 return true;
978 }
979
980
981 if (formatinfo.DocumentUseHTML && !args["d"].empty()) {
982
983 if (args["f"] == "1") {
984 textout << outconvert << disp
985 << "<html><head></head>\n"
986 << "<frameset rows=\"68,*\" noresize border=0>\n"
987 << "<frame scrolling=no frameborder=0 src=\"_gwcgi_?_optsite_e=_compressedoptions_&a=p&p=nav\">\n"
988 << "<frame name=\"documenttop\" frameborder=0 src=\"_gwcgi_?_optsite_e=_compressedoptions_&a=d&d="
989 << args["d"] << "\">"
990 << "<noframes>\n"
991 << "<p>You must have a frame enabled browser to view this.</p>\n"
992 << "</noframes>\n"
993 << "</frameset>\n"
994 << "</html>\n";
995 } else {
996 output_document (OID, args, collectproto, browsers, disp, outconvert, textout, logout);
997 }
998 return true;
999 }
1000
1001
1002 textout << outconvert << disp << "_document:header_\n"
1003 << "_document:content_\n";
1004
1005 // output the table of contents
1006 output_toc (args, browsers, formatinfo, collectproto,
1007 disp, outconvert, textout, logout);
1008
1009 if (formatinfo.DocumentArrowsTop && !args["d"].empty()) {
1010 textout << outconvert << disp << "_document:navarrowstop_\n";
1011 }
1012
1013 //output the related documents (may be the empty string)
1014 //will not output the docs if a format string is specified
1015 textout << outconvert << disp << "_document:relateddoc_\n";
1016
1017 // output the document text
1018 if (!args["d"].empty()) {
1019 textout << outconvert << "<p>\n";
1020 output_document (OID, args, collectproto, browsers, disp, outconvert, textout, logout);
1021 }
1022
1023 textout << outconvert << disp << "_document:footer_\n";
1024 }
1025 return true;
1026}
1027
1028void documentaction::output_text (ResultDocInfo_t &docinfo, format_t *formatlistptr,
1029 const TermInfo_tarray &terminfo, const text_t &OID,
1030 bool highlight, int hastxt, int wanttext,
1031 text_t &collection, recptproto *collectproto,
1032 browsermapclass *browsers, displayclass &disp,
1033 outconvertclass &outconvert, ostream &textout,
1034 ostream &logout, cgiargsclass &args) {
1035
1036 DocumentRequest_t docrequest;
1037 DocumentResponse_t docresponse;
1038 comerror_t err;
1039 if (hastxt == 1) {
1040
1041 if (wanttext) {
1042 // get the text
1043 docrequest.OID = OID;
1044 collectproto->get_document (collection, docrequest, docresponse, err, logout);
1045
1046 // cut down on overhead by not using formattools if we only want the text
1047 // (wanttext will equal 2 if we want text and other stuff too)
1048 if (wanttext == 1)
1049 if (highlight) {
1050 highlighttext(docresponse.doc, args, terminfo, disp, outconvert, textout);
1051 } else {
1052 textout << outconvert << disp << docresponse.doc;
1053 }
1054 }
1055
1056 if (wanttext != 1) {
1057 text_tmap options;
1058 options["text"] = docresponse.doc;
1059
1060 if (formatinfo.AllowExtendedOptions) {
1061 load_extended_options(options, args, browsers, formatinfo,
1062 collectproto, disp, outconvert, logout);
1063 }
1064
1065 text_t doctext
1066 = get_formatted_string (collection, collectproto, docinfo, disp,
1067 formatlistptr, options, logout);
1068
1069 if (highlight) {
1070 highlighttext(doctext, args, terminfo, disp, outconvert, textout);
1071 } else {
1072 textout << outconvert << disp << doctext;
1073 }
1074 }
1075 }
1076}
1077
1078
1079void documentaction::output_document (const text_t &OID, cgiargsclass &args,
1080 recptproto *collectproto, browsermapclass *browsers,
1081 displayclass &disp, outconvertclass &outconvert,
1082 ostream &textout, ostream &logout) {
1083 FilterResponse_t inforesponse;
1084 FilterResponse_t queryresponse;
1085 text_tset metadata;
1086 bool getParents = false;
1087 bool highlight = false;
1088 int wanttext = 0;
1089 int arg_gt = args.getintarg("gt");
1090 text_t &collection = args["c"];
1091
1092 // if we have a query string and highlighting is turned on we need
1093 // to redo the query to get the terms for highlighting
1094
1095 if (!args["q"].empty() && args.getintarg("hl")) {
1096
1097 ColInfoResponse_t *cinfo = recpt->get_collectinfo_ptr (collectproto, collection, logout);
1098 bool segment = false;
1099 if (cinfo != NULL) {
1100 segment = cinfo->isSegmented;
1101 }
1102 FilterRequest_t request;
1103 comerror_t err;
1104 request.filterResultOptions = FRmatchTerms;
1105 text_t formattedstring = args["q"];
1106 format_querystring (formattedstring, args.getintarg("b"), segment);
1107 set_queryfilter_options (request, formattedstring, args);
1108 args["q"] = formattedstring; // need to set this here for phrase
1109 // highlighting, where we look at the querystring
1110 collectproto->filter (args["c"], request, queryresponse, err, logout);
1111 if (err != noError) {
1112 outconvertclass text_t2ascii;
1113 logout << text_t2ascii
1114 << "documentaction::output_document: call to QueryFilter failed "
1115 << "for " << args["c"] << " collection (" << get_comerror_string (err) << ")\n";
1116 highlight = false;
1117 } else {
1118 highlight = true;
1119 }
1120 }
1121
1122 format_t *formatlistptr = new format_t();
1123 parse_formatstring (formatinfo.DocumentText, formatlistptr, metadata, getParents);
1124
1125 metadata.insert ("hastxt");
1126 metadata.insert ("haschildren");
1127
1128 if (formatinfo.DocumentText == "[Text]")
1129 wanttext = 1;
1130 else {
1131 char *docformat = formatinfo.DocumentText.getcstr();
1132 if (strstr (docformat, "[Text]") != NULL)
1133 wanttext = 2;
1134 delete []docformat;
1135 }
1136
1137 if (get_info (OID, collection, args["l"], metadata, getParents, collectproto, inforesponse, logout)) {
1138 int hastxt = inforesponse.docInfo[0].metadata["hastxt"].values[0].getint();
1139 int haschildren = inforesponse.docInfo[0].metadata["haschildren"].values[0].getint();
1140
1141 if (arg_gt == 0) {
1142 output_text (inforesponse.docInfo[0], formatlistptr, queryresponse.termInfo,
1143 OID, highlight, hastxt, wanttext, collection, collectproto,
1144 browsers, disp, outconvert, textout, logout, args);
1145
1146
1147 } else {
1148
1149 ResultDocInfo_t thisdocinfo = inforesponse.docInfo[0];
1150
1151 // text is to be expanded
1152 text_t exOID = OID;
1153 if (haschildren != 1) exOID = get_parent (OID);
1154 if (exOID.empty()) exOID = OID;
1155
1156 // if we're not in a document (i.e. we're in a top level classification)
1157 // we need to pass "is_classify = true" to get_contents so that it
1158 // doesn't recurse all the way through each document in the classification
1159 bool is_classify = false;
1160 if (args["d"].empty()) is_classify = true;
1161
1162 get_contents (exOID, is_classify, metadata, collection, args["l"],
1163 collectproto, inforesponse, logout);
1164
1165 ResultDocInfo_tarray::iterator sechere = inforesponse.docInfo.begin();
1166 ResultDocInfo_tarray::iterator secend = inforesponse.docInfo.end();
1167
1168 if (arg_gt == 1) {
1169 // check if there are more than 10 sections containing text to be expanded -
1170 // if there are output warning message - this isn't a great way to do this
1171 // since the sections may be very large or very small - one day I'll fix it
1172 // -- Stefan.
1173 int seccount = 0;
1174 while (sechere != secend) {
1175 int shastxt = (*sechere).metadata["hastxt"].values[0].getint();
1176 if (shastxt == 1) ++seccount;
1177 if (seccount > 10) break;
1178 ++sechere;
1179 }
1180 if (seccount > 10) {
1181 // more than 10 sections so output warning message and text
1182 // for current section only
1183 textout << outconvert << disp << "_document:textltwarning_";
1184
1185 output_text (thisdocinfo, formatlistptr, queryresponse.termInfo,
1186 OID, highlight, hastxt, wanttext, collection,
1187 collectproto, browsers, disp, outconvert, textout, logout, args);
1188
1189 }
1190 else arg_gt = 2;
1191 }
1192
1193 if (arg_gt == 2) {
1194 // get the text for each section
1195 sechere = inforesponse.docInfo.begin();
1196 int count = 0;
1197 while (sechere != secend) {
1198 textout << outconvert << disp << "\n<p><a name=" << (*sechere).OID << "></a>\n";
1199
1200 int shastxt = (*sechere).metadata["hastxt"].values[0].getint();
1201
1202 output_text (*sechere, formatlistptr, queryresponse.termInfo,
1203 (*sechere).OID, highlight, shastxt, wanttext, collection,
1204 collectproto, browsers, disp, outconvert, textout, logout, args);
1205 ++count;
1206 ++sechere;
1207 }
1208 }
1209 }
1210 }
1211 delete formatlistptr;
1212}
1213
1214void documentaction::set_arrow_macros (cgiargsclass &args, recptproto *collectproto,
1215 displayclass &disp, ostream &logout) {
1216
1217 text_tset metadata;
1218 FilterResponse_t response;
1219 FilterResponse_t presponse;
1220
1221 int haschildren = 0;
1222 text_tarray next_siblings;
1223 text_t previous_sibling;
1224 text_t &arg_d = args["d"];
1225
1226 // get info on current section
1227 metadata.insert("haschildren");
1228 if (!get_info(arg_d, args["c"], args["l"], metadata, false, collectproto, response, logout)) {
1229 logout << "error 1 in documentaction::set_arrow_macros\n";
1230 return;
1231 }
1232 haschildren = response.docInfo[0].metadata["haschildren"].values[0].getint();
1233
1234 // get OIDs of next and previous siblings of current section and
1235 // all it's parents
1236 int parentcount = countchar(arg_d.begin(), arg_d.end(), '.');
1237 text_t thisoid = arg_d;
1238 while (parentcount > 0) {
1239 get_children (get_parent(thisoid), args["c"], args["l"], metadata, false,
1240 collectproto, response, logout);
1241 ResultDocInfo_tarray::iterator this_sibling = response.docInfo.begin();
1242 ResultDocInfo_tarray::iterator last_sibling = response.docInfo.end();
1243 bool first = true;
1244 while (this_sibling != last_sibling) {
1245 if ((*this_sibling).OID == thisoid) {
1246 if (!first && next_siblings.empty()) {
1247 previous_sibling = (*(this_sibling-1)).OID;
1248 int section_has_children = (*(this_sibling-1)).metadata["haschildren"].values[0].getint();
1249 // if previous sibling has children we need to recurse
1250 // down to the last descendant
1251 while (section_has_children) {
1252 get_children (previous_sibling, args["c"], args["l"], metadata, false,
1253 collectproto, presponse, logout);
1254 if (!presponse.docInfo.empty()) {
1255 ResultDocInfo_tarray::iterator it = presponse.docInfo.end() - 1;
1256 previous_sibling = (*it).OID;
1257 section_has_children = (*it).metadata["haschildren"].values[0].getint();
1258 } else {
1259 section_has_children = 0; // this should never happen
1260 }
1261 }
1262 }
1263
1264 if ((this_sibling+1) != last_sibling) {
1265 next_siblings.push_back((*(this_sibling+1)).OID);
1266 } else {
1267 next_siblings.push_back("");
1268 }
1269 break;
1270 }
1271 ++this_sibling;
1272 first = false;
1273 }
1274 thisoid = get_parent(thisoid);
1275 --parentcount;
1276 }
1277
1278 // work out values for next link
1279 if (haschildren) {
1280 disp.setmacro ("httpnextarrow", "document", "_httpdocument_&cl=" + args["cl"] +
1281 "&d=" + arg_d + ".fc");
1282 } else {
1283 text_tarray::const_iterator h = next_siblings.begin();
1284 text_tarray::const_iterator e = next_siblings.end();
1285 while (h != e) {
1286 if (!(*h).empty()) {
1287 disp.setmacro ("httpnextarrow", "document", "_httpdocument_&cl=" + args["cl"] +
1288 "&d=" + *h);
1289 break;
1290 }
1291 ++h;
1292 }
1293 }
1294
1295 // work out value for previous link
1296 if (!previous_sibling.empty()) {
1297 disp.setmacro ("httpprevarrow", "document", "_httpdocument_&cl=" + args["cl"] +
1298 "&d=" + previous_sibling);
1299 } else {
1300 if (countchar(arg_d.begin(), arg_d.end(), '.')) {
1301 disp.setmacro ("httpprevarrow", "document", "_httpdocument_&cl=" + args["cl"] +
1302 "&d=" + get_parent(arg_d));
1303 }
1304 }
1305}
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