source: trunk/gsdl/src/recpt/documentaction.cpp@ 8715

Last change on this file since 8715 was 8715, checked in by kjdon, 19 years ago

fized a bug with phrase searching onn segmented collections
  • Property svn:executable set to *
  • Property svn:keywords set to Author Date Id Revision
File size: 44.1 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 iwidth += width.getint();
344 dochere ++;
345 }
346 if ((twidth - iwidth) < numc) swidth = 2;
347 else {
348 swidth = twidth - iwidth;
349 if (numc > 0) swidth = swidth / numc;
350 }
351 disp.setmacro ("widthtspace", displayclass::defaultpackage, swidth);
352}
353
354// set_navbarmacros sets _navigationbar_ and _httpbrowseXXX_ macros
355// reponse contains 1 metadata field (Title)
356void documentaction::set_navbarmacros (displayclass &disp, FilterResponse_t &response,
357 bool has_search_button, cgiargsclass &args,
358 ColInfoResponse_t &cinfo) {
359
360
361 bool use_pulldown = false;
362 text_tmap::iterator it = cinfo.format.find("NavigationBar");
363 if (it != cinfo.format.end()) {
364 if (it->second == "pulldown") {
365 use_pulldown = true;
366 }
367 }
368
369 text_t topparent;
370 text_t &arg_d = args["d"];
371 text_t navigationbar = "<!-- Navigation Bar -->\n";
372
373 text_t date_extra = g_EmptyText;
374 get_top (args["cl"], topparent);
375 int numc = response.docInfo.size();
376 ResultDocInfo_tarray::iterator dochere = response.docInfo.begin();
377 ResultDocInfo_tarray::iterator docend = response.docInfo.end();
378
379 if (!use_pulldown) {
380 navigationbar += "<nobr>\n";
381 if (has_search_button) {
382 if (args["a"] == "q") {
383 navigationbar += "_icontabsearchgreen_";
384 } else {
385 navigationbar += "_imagesearch_";
386 }
387 }
388
389 if (has_search_button || numc == 0) navigationbar += "_imagespacer_";
390
391 bool first = true;
392 while (dochere != docend) {
393 date_extra = g_EmptyText;
394 if (!first) navigationbar += "_imagespacer_";
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 = "&dm="+date_meta;
403 }
404 bool unknown = false;
405
406 // test the _XXXwidth_ macro to see if image macros are
407 // defined for this type of classification - if not we'll
408 // just display the text
409 text_t tmpwidth;
410 disp.expandstring ("document", "_" + title + "width_", tmpwidth);
411 if (tmpwidth == ("_" + title + "width_")) unknown = true;
412
413 // if we're inside a document all the classification buttons should be enabled
414 if (arg_d.empty() && ((*dochere).OID == topparent)) {
415 if (unknown) navigationbar += " " + title + " ";
416 else navigationbar += "_icontab" + title + "green_";
417 } else {
418
419 // set the _httpbrowseXXX_ macro for this classification
420 if (unknown) navigationbar += " <a href=\"_httpdocument_&cl=" +
421 (*dochere).OID + date_extra+"\">" + title + "</a> ";
422 else {
423 navigationbar += "_image" + title + "_";
424 disp.setmacro ("httpbrowse" + title, displayclass::defaultpackage, "_httpdocument_&cl=" + (*dochere).OID+date_extra);
425 }
426 }
427 dochere ++;
428 first = false;
429 }
430
431 if (!has_search_button && numc == 1) navigationbar += "_imagespacer_";
432
433 navigationbar += "\n</nobr>\n";
434 navigationbar += "<!-- End of Navigation Bar -->\n";
435
436 } else {
437
438 navigationbar = "<form method=\"get\" name=\"navform\">\n";
439 navigationbar += "<select name=\"navbar\" onChange=\"location.href=";
440 navigationbar += "document.navform.navbar.options[document.navform.navbar.selectedIndex].value\">\n";
441
442 if (args["a"] != "q" && args["cl"].empty()) {
443 navigationbar += "<option value=\"\" selected>_textselectpage_</option>\n";
444 }
445
446 if (has_search_button) {
447 navigationbar += "<option value=\"_httpquery_\"";
448 if (args["a"] == "q") {
449 navigationbar += " selected";
450 }
451 navigationbar += ">_texticontabsearchgreen_</option>\n";
452 }
453
454 while (dochere != docend) {
455 text_t title = dochere->metadata["Title"].values[0];
456 if (title == "Date") { // a date list
457 text_t date_meta = (*dochere).metadata["mdtype"].values[0];
458 if (date_meta == "") {
459 date_meta = "Date";
460 }
461 date_extra = "&dm="+date_meta;
462 }
463
464 navigationbar += "<option value=\"_httpdocument_&cl=" + dochere->OID +date_extra+ "\"";
465 if (topparent == dochere->OID) {
466 navigationbar += " selected";
467 }
468 navigationbar += ">" + title + "</option>\n";
469 dochere++;
470 }
471
472 navigationbar += "</select>\n";
473 navigationbar += "</form>\n";
474 }
475
476 disp.setmacro ("navigationbar", displayclass::defaultpackage, navigationbar);
477}
478
479// define all the macros which might be used by other actions
480// to produce pages.
481void documentaction::define_external_macros (displayclass &disp, cgiargsclass &args,
482 recptprotolistclass *protos, ostream &logout) {
483
484 // define_external_macros sets the following macros:
485
486 // _navigationbar_ this is the navigation bar containing the search button
487 // and any classification buttons - it goes at the top of
488 // most pages. for now we're assuming that there'll always
489 // be a search button - we should probably check that there
490 // is a query action before making this assumption
491
492 // _httpbrowseXXX_ the http macros for each classification (i.e. if there
493 // are Title and Creator classifications _httpbrowseTitle_
494 // and _httpbrowseCreator_ will be set
495
496 // _widthtspace_ the width of the spacers between buttons in navigation
497 // bar
498
499 // _httpdocument_ has '&f=1' added if displaying document inside a frame
500
501 // _gsdltop_ macro to replace _top targets with
502
503 // _httppagehome_ overridden home url if html collections have own homepage
504
505 // _usability_ a macro for remote usability reporting
506
507 // must have a valid collection server to continue
508
509 text_t &collection = args["c"];
510 if (collection.empty()) return;
511 recptproto *collectproto = protos->getrecptproto (collection, logout);
512 if (collectproto == NULL) return;
513
514 if (recpt == NULL) {
515 logout << "ERROR (documentaction::define_external_macros): This action does not contain\n"
516 << " information about any receptionists. The method set_receptionist was\n"
517 << " probably not called from the module which instantiated this action.\n";
518 return;
519 }
520
521 outconvertclass text_t2ascii;
522 comerror_t err;
523 InfoFiltersResponse_t filterinfo;
524 FilterResponse_t response;
525 text_tset metadata;
526
527 // get info on current collection and load up formatinfo
528 // I'd prefer not to do this here as we're getting
529 // collection info every time (and probably also getting
530 // it in other places some of the time) - One day I'll
531 // fix it ... maybe - Stefan.
532 ColInfoResponse_t cinfo;
533
534 collectproto->get_collectinfo (collection, cinfo, err, logout);
535 load_formatinfo (cinfo.format, args.getintarg("gt"));
536 // ColInfoResponse_t *cinfo = recpt->get_collectinfo_ptr (collectproto, collection, logout);
537 // if (cinfo == NULL) {
538 // logout << "ERROR (documentaction::define_external_macros): get_collectinfo_ptr returned NULL\n";
539 // return;
540 // }
541 //load_formatinfo (cinfo->format, args.getintarg("gt"));
542
543 if (formatinfo.DocumentUseHTML) {
544
545 // frame stuff
546 if (args["fc"] == "1") {
547 text_t httpdocument;
548 disp.expandstring (displayclass::defaultpackage, "_httpdocument_", httpdocument);
549 httpdocument += "&f=1";
550 disp.setmacro ("httpdocument", displayclass::defaultpackage, httpdocument);
551 disp.setmacro ("gsdltop", displayclass::defaultpackage, "documenttop");
552 formatinfo.DocumentText = "[Text]";
553 }
554 text_tmap::iterator it = cinfo.format.find ("homepage");
555 if (it != cinfo.format.end()) {
556 text_t httppagehome;
557 if (get_link (args, protos, (*it).second, httppagehome, logout))
558 disp.setmacro ("httppagehome", displayclass::defaultpackage, httppagehome);
559 }
560 }
561
562 // don't want navigation bar if page is 'detached'
563 if (!args.getintarg("x")) {
564
565 collectproto->get_filterinfo (collection, filterinfo, err, logout);
566 if (err == noError) {
567 // check that there's a browse filter
568 if (filterinfo.filterNames.find ("BrowseFilter") != filterinfo.filterNames.end()) {
569
570 metadata.insert ("Title");
571 metadata.insert ("mdtype"); // in case there is a datelist
572 bool getParents = false;
573 get_children ("", collection, args["l"], metadata, getParents, collectproto, response, logout);
574
575 bool has_search_button = true;
576 collectproto->is_searchable(collection, has_search_button, err, logout);
577 if (err != noError) has_search_button = true;
578
579 // calculate width of spacers and set _widthtspace_ macro
580 if (args.getintarg("v") == 0) set_spacemacro (disp, response, has_search_button);
581
582 // set _navigationbar_ macro
583 set_navbarmacros (disp, response, has_search_button, args, cinfo);
584
585 }
586 } else {
587 logout << text_t2ascii
588 << "Error (documentaction::define_external_macros()) in call to get_filterinfo() "
589 << get_comerror_string (err);
590 }
591 }
592 text_tmap::iterator usability = cinfo.format.find("Usability");
593 if(usability!=cinfo.format.end()){
594 disp.setmacro("usability",displayclass::defaultpackage,"_imageusab_");
595 disp.setmacro("usabinterface",displayclass::defaultpackage,("_usab"+(*usability).second+"_"));
596 disp.setmacro("usabilityscript", displayclass::defaultpackage, "_usabshowscript_");
597 }
598}
599
600bool documentaction::get_link (cgiargsclass &args, recptprotolistclass *protos,
601 const text_t &inlink, text_t &outlink, ostream &logout) {
602
603 FilterResponse_t response;
604 text_tset metadata;
605 metadata.insert ("section");
606
607 // check current collection first
608 recptproto *collectproto = protos->getrecptproto (args["c"], logout);
609
610 if (get_info (inlink, args["c"], args["l"], metadata, false, collectproto, response, logout)) {
611 if (!response.docInfo[0].metadata["section"].values[0].empty()) {
612 outlink = "_httpdocument_&d=" + response.docInfo[0].metadata["section"].values[0];
613 return true;
614 }
615 }
616
617 // check all the other enabled collections
618
619 if (args["ccs"] == "1" && !args["cc"].empty()) {
620 text_tarray collections;
621 splitchar (args["cc"].begin(), args["cc"].end(), ',', collections);
622
623 text_tarray::const_iterator col_here = collections.begin();
624 text_tarray::const_iterator col_end = collections.end();
625
626 while (col_here != col_end) {
627
628 // don't need to check current collection again
629 if (*col_here == args["c"]) {col_here ++; continue;}
630
631 collectproto = protos->getrecptproto (*col_here, logout);
632
633 if (get_info (inlink, *col_here, args["l"], metadata, false, collectproto, response, logout)) {
634 if (!response.docInfo[0].metadata["section"].values[0].empty()) {
635 outlink = "_httpdocument_&c=" + *col_here + "&d=" +
636 response.docInfo[0].metadata["section"].values[0];
637 return true;
638 }
639 }
640 col_here ++;
641 }
642 }
643 return false;
644}
645
646void documentaction::load_formatinfo (const text_tmap &colformat, int gt) {
647
648 formatinfo.clear();
649 text_tmap::const_iterator format_here = colformat.begin();
650 text_tmap::const_iterator format_end = colformat.end();
651
652 while (format_here != format_end) {
653 if (((*format_here).first == "DocumentImages") &&
654 ((*format_here).second == "true"))
655 formatinfo.DocumentImages = true;
656 else if (((*format_here).first == "DocumentTitles") &&
657 ((*format_here).second == "false"))
658 formatinfo.DocumentTitles = false;
659 else if ((*format_here).first == "DocumentHeading")
660 formatinfo.DocumentHeading = (*format_here).second;
661 else if (((*format_here).first == "DocumentContents") &&
662 ((*format_here).second == "false"))
663 formatinfo.DocumentContents = false;
664 else if (((*format_here).first == "DocumentArrowsBottom") &&
665 ((*format_here).second == "false"))
666 formatinfo.DocumentArrowsBottom = false;
667 else if (((*format_here).first == "DocumentArrowsTop") &&
668 ((*format_here).second == "true"))
669 formatinfo.DocumentArrowsTop = true;
670 else if ((*format_here).first == "DocumentButtons")
671 splitchar ((*format_here).second.begin(), (*format_here).second.end(),
672 '|', formatinfo.DocumentButtons);
673 else if ((*format_here).first == "DocumentText")
674 formatinfo.DocumentText = (*format_here).second;
675 else if ((*format_here).first == "RelatedDocuments")
676 formatinfo.RelatedDocuments = (*format_here).second;
677 else if (((*format_here).first == "DocumentUseHTML") &&
678 ((*format_here).second == "true"))
679 formatinfo.DocumentUseHTML = true;
680 else if (((*format_here).first == "AllowExtendedOptions") &&
681 ((*format_here).second == "true"))
682 formatinfo.AllowExtendedOptions = true;
683 else
684 formatinfo.formatstrings[(*format_here).first] = (*format_here).second;
685
686 format_here ++;
687 }
688
689 // never want arrows when text is expanded
690 if (gt) {
691 formatinfo.DocumentArrowsBottom = false;
692 formatinfo.DocumentArrowsTop = false;
693 }
694}
695
696
697// define all the macros which are related to pages generated
698// by this action. we also load up the formatinfo structure
699// here (it's used in do_action as well as here)
700void documentaction::define_internal_macros (displayclass &disp, cgiargsclass &args,
701 recptprotolistclass *protos, ostream &logout) {
702
703 // define_internal_macros sets the following macros:
704
705 // _pagetitle_ the title to be displayed at the top of the browser window
706
707 // _imagethispage_ the title image to be displayed at top right of page
708
709 // _navarrowsbottom_ this may be overridden to "" when format option
710 // DocumentArrowsBottom is false
711
712 // _navarrowstop_ likewise for DocumentArrowsTop
713
714 // _httpprevarrow_ links to next and previous sections of document - used
715 // _httpnextarrow_ by DocumentArrowsBottom
716
717 // _header_ the header macro is overridden if we're not at a top level
718 // classification to remove the title block
719
720 // _thisOID_ the OID (directory) of the current document - this corresponds
721 // to the archivedir metadata element
722
723 // must have a valid collection server to continue
724
725 text_t &collection = args["c"];
726 if (collection.empty()) return;
727 recptproto *collectproto = protos->getrecptproto (collection, logout);
728 if (collectproto == NULL) return;
729
730 text_tset metadata;
731 FilterResponse_t response;
732 text_t &arg_d = args["d"];
733 text_t &arg_cl = args["cl"];
734
735 if (!formatinfo.DocumentArrowsBottom) {
736 disp.setmacro("navarrowsbottom", "document", "");
737 } else if (!formatinfo.DocumentArrowsBottom) {
738 disp.setmacro("navarrowstop", "document", "");
739 }
740
741 if (!arg_d.empty() && (formatinfo.DocumentArrowsBottom || formatinfo.DocumentArrowsTop)) {
742 // set _httpprevarrow_ and _httpnextarrow_
743 set_arrow_macros (args, collectproto, disp, logout);
744 }
745
746 metadata.insert ("Title");
747
748 bool fulltoc = false;
749
750 if (args["cl"] != "search") {
751 // see if there's a FullTOC string
752 text_t cl_top, full_toc;
753 get_top (arg_cl, cl_top);
754 if (get_formatstring (cl_top, "FullTOC", formatinfo.formatstrings, full_toc))
755 if (full_toc == "true") fulltoc = true;
756 }
757
758 if (!arg_d.empty() && !fulltoc) {
759 // we're at document level
760
761 metadata.insert ("archivedir");
762
763 comerror_t err;
764 OptionValue_tarray options;
765 // we need to do the query again for the z3950proto
766 if (collectproto->get_protocol_name(err)=="z3950proto") {
767 OptionValue_t opt;
768 opt.name="Term";opt.value=args["q"];options.push_back(opt);
769 opt.name="QueryType";
770 opt.value=(args.getintarg("t")) ? "ranked" : "boolean";
771 options.push_back(opt);
772 opt.name="Index";opt.value=args["h"];options.push_back(opt);
773 }
774
775 //do not display relation metadata
776 disp.setmacro ("relateddoc", "document", "");
777
778 //if preferences indicate relevant docs should be collected
779 //and there is no particular format specified then display
780 //this default format.
781 if(args["rd"] == "1" && formatinfo.RelatedDocuments.empty()){
782
783 text_t relation = g_EmptyText; //string for displaying relation metadata
784
785 //call function in formattools.cpp which will return the text of the
786 //related documents in a vertical list. This is the default format.
787
788 if (get_info (arg_d, collection, args["l"], metadata, options, false, collectproto, response, logout))
789 relation += get_related_docs(collection, collectproto, response.docInfo[0], logout);
790
791 //set macro to be the related document string
792
793 disp.setmacro ("relateddoc", "document", relation);
794 }
795
796
797 // get metadata for this document and it's parents
798 if (get_info (arg_d, collection, args["l"], metadata, options,
799 true, collectproto, response, logout)) {
800
801 disp.setmacro ("header", "document", "_textheader_");
802
803 text_tarray pagetitlearray;
804 if (!response.docInfo[0].metadata["Title"].values[0].empty())
805 pagetitlearray.push_back (response.docInfo[0].metadata["Title"].values[0]);
806
807 if (args["gt"] != "1") {
808 MetadataInfo_t *parenttitle = response.docInfo[0].metadata["Title"].parent;
809 while (parenttitle != NULL) {
810 if (!parenttitle->values[0].empty())
811 pagetitlearray.push_back (parenttitle->values[0]);
812 parenttitle = parenttitle->parent;
813 }
814 }
815 reverse (pagetitlearray.begin(), pagetitlearray.end());
816 text_t pagetitle;
817 joinchar (pagetitlearray, ": ", pagetitle);
818 // remove html tags from the title
819 text_t::iterator open_tag=pagetitle.begin();
820 while (open_tag < pagetitle.end()) {
821 if (*open_tag == '<') {
822 text_t::iterator close_tag=open_tag+1;
823 text_t::iterator donechar=pagetitle.end();
824 while (close_tag < donechar) {
825 if (*close_tag == '>')
826 break;
827 ++close_tag;
828 }
829 if (close_tag < donechar) // remove this html tag, replace with space
830 *close_tag=' ';
831 pagetitle.erase(open_tag, close_tag);
832 }
833 ++open_tag;
834 }
835 disp.setmacro ("pagetitle", "document", pagetitle);
836
837 if (is_top (arg_d))
838 disp.setmacro ("thisOID", displayclass::defaultpackage, dm_safe(response.docInfo[0].metadata["archivedir"].values[0]));
839 else {
840 MetadataInfo_t *parentad = response.docInfo[0].metadata["archivedir"].parent;
841 text_t thisOID;
842 while (parentad != NULL) {
843 thisOID = parentad->values[0];
844 parentad = parentad->parent;
845 }
846 disp.setmacro ("thisOID", displayclass::defaultpackage, dm_safe(thisOID));
847 }
848 }
849 } else {
850 if (!arg_cl.empty()) {
851
852 // get metadata for top level classification
853 text_t classtop;
854 get_top (arg_cl, classtop);
855 metadata.insert ("childtype");
856 metadata.insert ("parameters");
857
858 if (get_info (classtop, collection, args["l"], metadata, false, collectproto, response, logout)) {
859
860 text_t &title = response.docInfo[0].metadata["Title"].values[0];
861 bool unknown = false;
862
863 // test the _XXXwidth_ macro to see if image macros are
864 // defined for this type of classification - if not we'll
865 // just display the text
866 text_t tmp;
867 disp.expandstring ("document", "_" + title + "width_", tmp);
868 if (tmp == ("_" + title + "width_")) unknown = true;
869
870 if (unknown) {
871 disp.setmacro ("pagetitle", "document", title);
872 disp.setmacro ("imagethispage", "document", "<h2>" + title + "</h2>");
873 } else {
874 disp.setmacro ("pagetitle", "document", "_text" + title + "page_");
875 disp.setmacro ("imagethispage", "document", "_icon" + title + "page_");
876 }
877
878 //if the document is not a document from a collection
879 //we must set the macro to be an empty string
880 disp.setmacro ("relateddoc", "document", "");
881
882 // Add macros specific to the Collage/Phind classifiers
883 text_t &childtype = response.docInfo[0].metadata["childtype"].values[0];
884 if (childtype == "Collage") {
885
886 text_t::iterator a = arg_cl.begin();
887 text_t::iterator b = arg_cl.end();
888
889 bool collage = true;
890 while (a != b) {
891 if (*a == 46) collage = false;
892 a++;
893 }
894
895 if (collage) {
896 disp.setmacro ("collageclassifier", "document", "_collageapplet_");
897
898 // Next, macros that control the way the classifier is displayed
899 text_t parameters = response.docInfo[0].metadata["parameters"].values[0];
900
901 // extract key=value pairs and set as macros
902 text_t::iterator here = parameters.begin();
903 text_t::iterator end = parameters.end();
904 text_t key, value;
905
906 while (here != end) {
907 // get the next key and value pair
908 here = getdelimitstr (here, end, '=', key);
909 here = getdelimitstr (here, end, ';', value);
910
911 // store this key=value pair
912 if (!key.empty() && !value.empty()) {
913 disp.setmacro ("collage"+key, "document", value);
914 }
915 }
916
917
918 }
919 }
920
921 if (childtype == "Phind") {
922
923 // First, a macro to display the phind classifier
924 disp.setmacro ("phindclassifier", "document", "_phindapplet_");
925
926 // Next, macros that control the way the classifier is displayed
927 text_t parameters = response.docInfo[0].metadata["parameters"].values[0];
928
929 // extract key=value pairs and set as macros
930 text_t::iterator here = parameters.begin();
931 text_t::iterator end = parameters.end();
932 text_t key, value;
933
934 while (here != end) {
935 // get the next key and value pair
936 here = getdelimitstr (here, end, '=', key);
937 here = getdelimitstr (here, end, ';', value);
938
939 // store this key=value pair
940 if (!key.empty() && !value.empty()) {
941 disp.setmacro (key, "document", value);
942 }
943 }
944 } // end if (childtype == "Phind")
945 }
946 } // end if (!arg_cl.empty()) {
947 }
948}
949
950
951bool documentaction::do_action (cgiargsclass &args, recptprotolistclass *protos,
952 browsermapclass *browsers, displayclass &disp,
953 outconvertclass &outconvert, ostream &textout,
954 ostream &logout) {
955
956 // must have a valid collection server
957 recptproto *collectproto = protos->getrecptproto (args["c"], logout);
958 if (collectproto == NULL) {
959 logout << "documentaction::do_action called with NULL collectproto\n";
960 textout << outconvert << disp << "_document:header_\n"
961 << "Error: Attempt to get document without setting collection\n"
962 << "_document:footer_\n";
963 } else {
964
965 text_t OID = args["d"];
966 if (OID.empty()) OID = args["cl"];
967 if (OID.empty()) {
968 textout << outconvert << disp << "Document contains no data_document:footer_\n";
969 return true;
970 }
971
972
973 if (formatinfo.DocumentUseHTML && !args["d"].empty()) {
974
975 if (args["f"] == "1") {
976 textout << outconvert << disp
977 << "<html><head></head>\n"
978 << "<frameset rows=\"68,*\" noresize border=0>\n"
979 << "<frame scrolling=no frameborder=0 src=\"_gwcgi_?_optsite_e=_compressedoptions_&a=p&p=nav\">\n"
980 << "<frame name=\"documenttop\" frameborder=0 src=\"_gwcgi_?_optsite_e=_compressedoptions_&a=d&d="
981 << args["d"] << "\">"
982 << "<noframes>\n"
983 << "<p>You must have a frame enabled browser to view this.</p>\n"
984 << "</noframes>\n"
985 << "</frameset>\n"
986 << "</html>\n";
987 } else {
988 output_document (OID, args, collectproto, browsers, disp, outconvert, textout, logout);
989 }
990 return true;
991 }
992
993
994 textout << outconvert << disp << "_document:header_\n"
995 << "_document:content_\n";
996
997 // output the table of contents
998 output_toc (args, browsers, formatinfo, collectproto,
999 disp, outconvert, textout, logout);
1000
1001 if (formatinfo.DocumentArrowsTop && !args["d"].empty()) {
1002 textout << outconvert << disp << "_document:navarrowstop_\n";
1003 }
1004
1005 //output the related documents (may be the empty string)
1006 //will not output the docs if a format string is specified
1007 textout << outconvert << disp << "_document:relateddoc_\n";
1008
1009 // output the document text
1010 if (!args["d"].empty()) {
1011 textout << outconvert << "<p>\n";
1012 output_document (OID, args, collectproto, browsers, disp, outconvert, textout, logout);
1013 }
1014
1015 textout << outconvert << disp << "_document:footer_\n";
1016 }
1017 return true;
1018}
1019
1020void documentaction::output_text (ResultDocInfo_t &docinfo, format_t *formatlistptr,
1021 const TermInfo_tarray &terminfo, const text_t &OID,
1022 bool highlight, int hastxt, int wanttext,
1023 text_t &collection, recptproto *collectproto,
1024 browsermapclass *browsers, displayclass &disp,
1025 outconvertclass &outconvert, ostream &textout,
1026 ostream &logout, cgiargsclass &args) {
1027
1028 DocumentRequest_t docrequest;
1029 DocumentResponse_t docresponse;
1030 comerror_t err;
1031 if (hastxt == 1) {
1032
1033 if (wanttext) {
1034 // get the text
1035 docrequest.OID = OID;
1036 collectproto->get_document (collection, docrequest, docresponse, err, logout);
1037
1038 // cut down on overhead by not using formattools if we only want the text
1039 // (wanttext will equal 2 if we want text and other stuff too)
1040 if (wanttext == 1)
1041 if (highlight) {
1042 highlighttext(docresponse.doc, args, terminfo, disp, outconvert, textout);
1043 } else {
1044 textout << outconvert << disp << docresponse.doc;
1045 }
1046 }
1047
1048 if (wanttext != 1) {
1049 text_tmap options;
1050 options["text"] = docresponse.doc;
1051
1052 if (formatinfo.AllowExtendedOptions) {
1053 load_extended_options(options, args, browsers, formatinfo,
1054 collectproto, disp, outconvert, logout);
1055 }
1056
1057 text_t doctext
1058 = get_formatted_string (collection, collectproto, docinfo, disp,
1059 formatlistptr, options, logout);
1060
1061 if (highlight) {
1062 highlighttext(doctext, args, terminfo, disp, outconvert, textout);
1063 } else {
1064 textout << outconvert << disp << doctext;
1065 }
1066 }
1067 }
1068}
1069
1070
1071void documentaction::output_document (const text_t &OID, cgiargsclass &args,
1072 recptproto *collectproto, browsermapclass *browsers,
1073 displayclass &disp, outconvertclass &outconvert,
1074 ostream &textout, ostream &logout) {
1075 FilterResponse_t inforesponse;
1076 FilterResponse_t queryresponse;
1077 text_tset metadata;
1078 bool getParents = false;
1079 bool highlight = false;
1080 int wanttext = 0;
1081 int arg_gt = args.getintarg("gt");
1082 text_t &collection = args["c"];
1083
1084 // if we have a query string and highlighting is turned on we need
1085 // to redo the query to get the terms for highlighting
1086
1087 if (!args["q"].empty() && args.getintarg("hl")) {
1088
1089 ColInfoResponse_t *cinfo = recpt->get_collectinfo_ptr (collectproto, collection, logout);
1090 bool segment = false;
1091 if (cinfo != NULL) {
1092 segment = cinfo->isSegmented;
1093 }
1094 FilterRequest_t request;
1095 comerror_t err;
1096 request.filterResultOptions = FRmatchTerms;
1097 text_t formattedstring = args["q"];
1098 format_querystring (formattedstring, args.getintarg("b"), segment);
1099 set_queryfilter_options (request, formattedstring, args);
1100 args["q"] = formattedstring; // need to set this here for phrase
1101 // highlighting, where we look at the querystring
1102 collectproto->filter (args["c"], request, queryresponse, err, logout);
1103 if (err != noError) {
1104 outconvertclass text_t2ascii;
1105 logout << text_t2ascii
1106 << "documentaction::output_document: call to QueryFilter failed "
1107 << "for " << args["c"] << " collection (" << get_comerror_string (err) << ")\n";
1108 highlight = false;
1109 } else {
1110 highlight = true;
1111 }
1112 }
1113
1114 format_t *formatlistptr = new format_t();
1115 parse_formatstring (formatinfo.DocumentText, formatlistptr, metadata, getParents);
1116
1117 metadata.insert ("hastxt");
1118 metadata.insert ("haschildren");
1119
1120 if (formatinfo.DocumentText == "[Text]")
1121 wanttext = 1;
1122 else {
1123 char *docformat = formatinfo.DocumentText.getcstr();
1124 if (strstr (docformat, "[Text]") != NULL)
1125 wanttext = 2;
1126 delete docformat;
1127 }
1128
1129 if (get_info (OID, collection, args["l"], metadata, getParents, collectproto, inforesponse, logout)) {
1130 int hastxt = inforesponse.docInfo[0].metadata["hastxt"].values[0].getint();
1131 int haschildren = inforesponse.docInfo[0].metadata["haschildren"].values[0].getint();
1132
1133 if (arg_gt == 0) {
1134 output_text (inforesponse.docInfo[0], formatlistptr, queryresponse.termInfo,
1135 OID, highlight, hastxt, wanttext, collection, collectproto,
1136 browsers, disp, outconvert, textout, logout, args);
1137
1138
1139 } else {
1140
1141 ResultDocInfo_t thisdocinfo = inforesponse.docInfo[0];
1142
1143 // text is to be expanded
1144 text_t exOID = OID;
1145 if (haschildren != 1) exOID = get_parent (OID);
1146 if (exOID.empty()) exOID = OID;
1147
1148 // if we're not in a document (i.e. we're in a top level classification)
1149 // we need to pass "is_classify = true" to get_contents so that it
1150 // doesn't recurse all the way through each document in the classification
1151 bool is_classify = false;
1152 if (args["d"].empty()) is_classify = true;
1153
1154 get_contents (exOID, is_classify, metadata, collection, args["l"],
1155 collectproto, inforesponse, logout);
1156
1157 ResultDocInfo_tarray::iterator sechere = inforesponse.docInfo.begin();
1158 ResultDocInfo_tarray::iterator secend = inforesponse.docInfo.end();
1159
1160 if (arg_gt == 1) {
1161 // check if there are more than 10 sections containing text to be expanded -
1162 // if there are output warning message - this isn't a great way to do this
1163 // since the sections may be very large or very small - one day I'll fix it
1164 // -- Stefan.
1165 int seccount = 0;
1166 while (sechere != secend) {
1167 int shastxt = (*sechere).metadata["hastxt"].values[0].getint();
1168 if (shastxt == 1) seccount ++;
1169 if (seccount > 10) break;
1170 sechere ++;
1171 }
1172 if (seccount > 10) {
1173 // more than 10 sections so output warning message and text
1174 // for current section only
1175 textout << outconvert << disp << "_document:textltwarning_";
1176
1177 output_text (thisdocinfo, formatlistptr, queryresponse.termInfo,
1178 OID, highlight, hastxt, wanttext, collection,
1179 collectproto, browsers, disp, outconvert, textout, logout, args);
1180
1181 }
1182 else arg_gt = 2;
1183 }
1184
1185 if (arg_gt == 2) {
1186 // get the text for each section
1187 sechere = inforesponse.docInfo.begin();
1188 int count = 0;
1189 while (sechere != secend) {
1190 textout << outconvert << disp << "\n<p><a name=" << (*sechere).OID << "></a>\n";
1191
1192 int shastxt = (*sechere).metadata["hastxt"].values[0].getint();
1193
1194 output_text (*sechere, formatlistptr, queryresponse.termInfo,
1195 (*sechere).OID, highlight, shastxt, wanttext, collection,
1196 collectproto, browsers, disp, outconvert, textout, logout, args);
1197 count ++;
1198 sechere ++;
1199 }
1200 }
1201 }
1202 }
1203 delete formatlistptr;
1204}
1205
1206void documentaction::set_arrow_macros (cgiargsclass &args, recptproto *collectproto,
1207 displayclass &disp, ostream &logout) {
1208
1209 text_tset metadata;
1210 FilterResponse_t response;
1211 FilterResponse_t presponse;
1212
1213 int haschildren = 0;
1214 text_tarray next_siblings;
1215 text_t previous_sibling;
1216 text_t &arg_d = args["d"];
1217
1218 // get info on current section
1219 metadata.insert("haschildren");
1220 if (!get_info(arg_d, args["c"], args["l"], metadata, false, collectproto, response, logout)) {
1221 logout << "error 1 in documentaction::set_arrow_macros\n";
1222 return;
1223 }
1224 haschildren = response.docInfo[0].metadata["haschildren"].values[0].getint();
1225
1226 // get OIDs of next and previous siblings of current section and
1227 // all it's parents
1228 int parentcount = countchar(arg_d.begin(), arg_d.end(), '.');
1229 text_t thisoid = arg_d;
1230 while (parentcount > 0) {
1231 get_children (get_parent(thisoid), args["c"], args["l"], metadata, false,
1232 collectproto, response, logout);
1233 ResultDocInfo_tarray::iterator this_sibling = response.docInfo.begin();
1234 ResultDocInfo_tarray::iterator last_sibling = response.docInfo.end();
1235 bool first = true;
1236 while (this_sibling != last_sibling) {
1237 if ((*this_sibling).OID == thisoid) {
1238 if (!first && next_siblings.empty()) {
1239 previous_sibling = (*(this_sibling-1)).OID;
1240 int section_has_children = (*(this_sibling-1)).metadata["haschildren"].values[0].getint();
1241 // if previous sibling has children we need to recurse
1242 // down to the last descendant
1243 while (section_has_children) {
1244 get_children (previous_sibling, args["c"], args["l"], metadata, false,
1245 collectproto, presponse, logout);
1246 if (!presponse.docInfo.empty()) {
1247 ResultDocInfo_tarray::iterator it = presponse.docInfo.end() - 1;
1248 previous_sibling = (*it).OID;
1249 section_has_children = (*it).metadata["haschildren"].values[0].getint();
1250 } else {
1251 section_has_children = 0; // this should never happen
1252 }
1253 }
1254 }
1255
1256 if ((this_sibling+1) != last_sibling) {
1257 next_siblings.push_back((*(this_sibling+1)).OID);
1258 } else {
1259 next_siblings.push_back("");
1260 }
1261 break;
1262 }
1263 this_sibling++;
1264 first = false;
1265 }
1266 thisoid = get_parent(thisoid);
1267 parentcount--;
1268 }
1269
1270 // work out values for next link
1271 if (haschildren) {
1272 disp.setmacro ("httpnextarrow", "document", "_httpdocument_&cl=" + args["cl"] +
1273 "&d=" + arg_d + ".fc");
1274 } else {
1275 text_tarray::const_iterator h = next_siblings.begin();
1276 text_tarray::const_iterator e = next_siblings.end();
1277 while (h != e) {
1278 if (!(*h).empty()) {
1279 disp.setmacro ("httpnextarrow", "document", "_httpdocument_&cl=" + args["cl"] +
1280 "&d=" + *h);
1281 break;
1282 }
1283 h++;
1284 }
1285 }
1286
1287 // work out value for previous link
1288 if (!previous_sibling.empty()) {
1289 disp.setmacro ("httpprevarrow", "document", "_httpdocument_&cl=" + args["cl"] +
1290 "&d=" + previous_sibling);
1291 } else {
1292 if (countchar(arg_d.begin(), arg_d.end(), '.')) {
1293 disp.setmacro ("httpprevarrow", "document", "_httpdocument_&cl=" + args["cl"] +
1294 "&d=" + get_parent(arg_d));
1295 }
1296 }
1297}
Note: See TracBrowser for help on using the repository browser.