1 | /**********************************************************************
|
---|
2 | *
|
---|
3 | * formattools.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 "formattools.h"
|
---|
27 | #include "cgiutils.h"
|
---|
28 | #include "gsdltools.h"
|
---|
29 | #include "recptprototools.h"
|
---|
30 | #include "OIDtools.h"
|
---|
31 | #include "summarise.h"
|
---|
32 |
|
---|
33 | #include <assert.h>
|
---|
34 |
|
---|
35 | static bool metadata_spanwrap = false;
|
---|
36 |
|
---|
37 | // a few function prototypes
|
---|
38 |
|
---|
39 | static text_t format_string (const text_t& collection, recptproto* collectproto,
|
---|
40 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
41 | format_t *formatlistptr, text_tmap &options,
|
---|
42 | ostream& logout);
|
---|
43 |
|
---|
44 | static bool parse_action (text_t::const_iterator &here, const text_t::const_iterator &end,
|
---|
45 | format_t *formatlistptr, text_tset &metadata, bool &getParents);
|
---|
46 |
|
---|
47 | static text_t format_summary (const text_t& collection, recptproto* collectproto,
|
---|
48 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
49 | text_tmap &options, ostream& logout);
|
---|
50 | static text_t format_text (const text_t& collection, recptproto* collectproto,
|
---|
51 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
52 | text_tmap &options, ostream& logout);
|
---|
53 |
|
---|
54 | static text_t expand_metadata(const text_t &metavalue, const text_t& collection,
|
---|
55 | recptproto* collectproto, ResultDocInfo_t &docinfo,
|
---|
56 | displayclass &disp, text_tmap &options,
|
---|
57 | ostream &logout);
|
---|
58 |
|
---|
59 |
|
---|
60 | void metadata_t::clear() {
|
---|
61 | metaname.clear();
|
---|
62 | metacommand = mNone;
|
---|
63 | mqualifier.parent = pNone;
|
---|
64 | mqualifier.sibling = sNone;
|
---|
65 | mqualifier.child = cNone;
|
---|
66 | pre_tree_traverse.clear();
|
---|
67 | parentoptions.clear();
|
---|
68 | siblingoptions.clear();
|
---|
69 | childoptions.clear();
|
---|
70 | }
|
---|
71 |
|
---|
72 | void decision_t::clear() {
|
---|
73 | command = dMeta;
|
---|
74 | meta.clear();
|
---|
75 | text.clear();
|
---|
76 | }
|
---|
77 |
|
---|
78 | format_t::~format_t()
|
---|
79 | {
|
---|
80 | if (nextptr != NULL) delete nextptr;
|
---|
81 | if (ifptr != NULL) delete ifptr;
|
---|
82 | if (elseptr != NULL) delete elseptr;
|
---|
83 | if (orptr != NULL) delete orptr;
|
---|
84 | }
|
---|
85 |
|
---|
86 | void format_t::clear() {
|
---|
87 | command = comText;
|
---|
88 | decision.clear();
|
---|
89 | text.clear();
|
---|
90 | meta.clear();
|
---|
91 | nextptr = NULL;
|
---|
92 | ifptr = NULL;
|
---|
93 | elseptr = NULL;
|
---|
94 | orptr = NULL;
|
---|
95 | }
|
---|
96 |
|
---|
97 | void formatinfo_t::clear() {
|
---|
98 | DocumentImages = false;
|
---|
99 | DocumentTitles = true;
|
---|
100 | DocumentHeading = "{Or}{[parent(Top):Title],[Title],untitled}<br>";
|
---|
101 | DocumentContents = true;
|
---|
102 | DocumentArrowsBottom = true;
|
---|
103 | DocumentArrowsTop = false;
|
---|
104 | DocumentSearchResultLinks = false;
|
---|
105 | DocumentButtons.erase (DocumentButtons.begin(), DocumentButtons.end());
|
---|
106 | // DocumentButtons.push_back ("Expand Text");
|
---|
107 | // DocumentButtons.push_back ("Expand Contents");
|
---|
108 | DocumentButtons.push_back ("Detach");
|
---|
109 | DocumentButtons.push_back ("Highlight");
|
---|
110 | RelatedDocuments = "";
|
---|
111 | DocumentText = "[Text]";
|
---|
112 | formatstrings.erase (formatstrings.begin(), formatstrings.end());
|
---|
113 | DocumentUseHTML = false;
|
---|
114 | AllowExtendedOptions = false;
|
---|
115 | }
|
---|
116 |
|
---|
117 | // simply checks to see if formatstring begins with a <td> tag
|
---|
118 | bool is_table_content (const text_t &formatstring) {
|
---|
119 | text_t::const_iterator here = formatstring.begin();
|
---|
120 | text_t::const_iterator end = formatstring.end();
|
---|
121 |
|
---|
122 | while (here != end) {
|
---|
123 | if (*here != ' ') {
|
---|
124 | if ((*here == '<') && ((here+3) < end)) {
|
---|
125 | if ((*(here+1) == 't' || *(here+1) == 'T') &&
|
---|
126 | (*(here+2) == 'd' || *(here+2) == 'D') &&
|
---|
127 | (*(here+3) == '>' || *(here+3) == ' '))
|
---|
128 | return true;
|
---|
129 | } else return false;
|
---|
130 | }
|
---|
131 | ++here;
|
---|
132 | }
|
---|
133 | return false;
|
---|
134 | }
|
---|
135 |
|
---|
136 | bool is_table_content (const format_t *formatlistptr) {
|
---|
137 |
|
---|
138 | if (formatlistptr == NULL) return false;
|
---|
139 |
|
---|
140 | if (formatlistptr->command == comText)
|
---|
141 | return is_table_content (formatlistptr->text);
|
---|
142 |
|
---|
143 | return false;
|
---|
144 | }
|
---|
145 |
|
---|
146 | // returns false if key isn't in formatstringmap
|
---|
147 | bool get_formatstring (const text_t &key, const text_tmap &formatstringmap,
|
---|
148 | text_t &formatstring) {
|
---|
149 |
|
---|
150 | formatstring.clear();
|
---|
151 | text_tmap::const_iterator it = formatstringmap.find(key);
|
---|
152 | if (it == formatstringmap.end()) return false;
|
---|
153 | formatstring = (*it).second;
|
---|
154 | return true;
|
---|
155 | }
|
---|
156 |
|
---|
157 | // tries to find "key1key2" then "key1" then "key2"
|
---|
158 | bool get_formatstring (const text_t &key1, const text_t &key2,
|
---|
159 | const text_tmap &formatstringmap,
|
---|
160 | text_t &formatstring) {
|
---|
161 |
|
---|
162 | formatstring.clear();
|
---|
163 | text_tmap::const_iterator it = formatstringmap.find(key1 + key2);
|
---|
164 | if (it != formatstringmap.end()) {
|
---|
165 | formatstring = (*it).second;
|
---|
166 | return true;
|
---|
167 | }
|
---|
168 | it = formatstringmap.find(key1);
|
---|
169 | if (it != formatstringmap.end()) {
|
---|
170 | formatstring = (*it).second;
|
---|
171 | return true;
|
---|
172 | }
|
---|
173 | it = formatstringmap.find(key2);
|
---|
174 | if (it != formatstringmap.end()) {
|
---|
175 | formatstring = (*it).second;
|
---|
176 | return true;
|
---|
177 | }
|
---|
178 | return false;
|
---|
179 | }
|
---|
180 |
|
---|
181 |
|
---|
182 | text_t remove_namespace(const text_t &meta_name) {
|
---|
183 | text_t::const_iterator end = meta_name.end();
|
---|
184 | text_t::const_iterator it = findchar(meta_name.begin(), end, '.');
|
---|
185 | if (it != end) {
|
---|
186 | return substr(it+1, end);
|
---|
187 | }
|
---|
188 |
|
---|
189 | return meta_name;
|
---|
190 |
|
---|
191 | }
|
---|
192 | // returns a date of form _format:date_(year, month, day)
|
---|
193 | // input is date of type yyyy-?mm-?dd
|
---|
194 | // at least the year must be present in date
|
---|
195 | text_t format_date (const text_t &date) {
|
---|
196 |
|
---|
197 | if (date.size() < 4) return "";
|
---|
198 |
|
---|
199 | text_t::const_iterator datebegin = date.begin();
|
---|
200 |
|
---|
201 | text_t year = substr (datebegin, datebegin+4);
|
---|
202 | int chars_seen_so_far = 4;
|
---|
203 | if (chars_seen_so_far == date.size()) return "_format:date_("+year+")";
|
---|
204 |
|
---|
205 | if (date[chars_seen_so_far] == '-') ++chars_seen_so_far ;
|
---|
206 | if (date.size() < chars_seen_so_far+2) return "_format:date_("+year+")";
|
---|
207 |
|
---|
208 | text_t month = substr (datebegin+chars_seen_so_far, datebegin+chars_seen_so_far+2);
|
---|
209 | int imonth = month.getint();
|
---|
210 | if (imonth <= 0 || imonth > 12) return "_format:date_("+year+")";
|
---|
211 |
|
---|
212 | chars_seen_so_far += 2;
|
---|
213 | if (chars_seen_so_far == date.size()) return "_format:date_("+year+","+month+")";
|
---|
214 |
|
---|
215 | if (date[chars_seen_so_far] == '-') ++chars_seen_so_far ;
|
---|
216 | if (date.size() < chars_seen_so_far+2) return "_format:date_("+year+","+month+")";
|
---|
217 |
|
---|
218 | text_t day = substr (datebegin+chars_seen_so_far, datebegin+chars_seen_so_far+2);
|
---|
219 | if (day[0] == '0') day = substr (day.begin()+1, day.end());
|
---|
220 | int iday = day.getint();
|
---|
221 | if (iday <= 0 || iday > 31) return "_format:date_("+year+","+month+")";
|
---|
222 |
|
---|
223 | return "_format:date_("+year+","+month+","+day+")";
|
---|
224 | }
|
---|
225 |
|
---|
226 | // converts an iso639 language code to its English equivalent
|
---|
227 | // should we be checking that the macro exists??
|
---|
228 | text_t iso639 (const text_t &langcode) {
|
---|
229 | if (langcode.empty()) return "";
|
---|
230 | return "_iso639:iso639"+langcode+"_";
|
---|
231 | }
|
---|
232 |
|
---|
233 |
|
---|
234 | text_t get_href (const text_t &link) {
|
---|
235 |
|
---|
236 | text_t href;
|
---|
237 |
|
---|
238 | text_t::const_iterator here = findchar(link.begin(), link.end(), '"');
|
---|
239 | text_t::const_iterator end = link.end();
|
---|
240 | if (here == end) return g_EmptyText;
|
---|
241 |
|
---|
242 | ++here;
|
---|
243 | while (here != end) {
|
---|
244 | if (*here == '"') break;
|
---|
245 | href.push_back(*here);
|
---|
246 | ++here;
|
---|
247 | }
|
---|
248 |
|
---|
249 | return href;
|
---|
250 | }
|
---|
251 |
|
---|
252 | //this function gets the information associated with the relation
|
---|
253 | //metadata for the document associated with 'docinfo'. This relation
|
---|
254 | //metadata consists of a line of pairs containing 'collection, document OID'
|
---|
255 | //(this is the OID of the document related to the current document, and
|
---|
256 | //the collection the related document belongs to). For each of these pairs
|
---|
257 | //the title metadata is obtained and then an html link between the title
|
---|
258 | //of the related doc and the document's position (the document will be
|
---|
259 | //found in "<a href=\"_httpdocument_&c=collection&cl=search&d=OID">
|
---|
260 | //(where collection is the related documents collection, and OID is the
|
---|
261 | //related documents OID). A list of these html links are made for as many
|
---|
262 | //related documents as there are. This list is then returned. If there are
|
---|
263 | //no related documents available for the current document then the string
|
---|
264 | //'.. no related documents .. ' is returned.
|
---|
265 | text_t get_related_docs(const text_t& collection, recptproto* collectproto,
|
---|
266 | ResultDocInfo_t &docinfo, ostream& logout){
|
---|
267 |
|
---|
268 | text_tset metadata;
|
---|
269 |
|
---|
270 | //insert the metadata we wish to collect
|
---|
271 | metadata.insert("dc.Relation");
|
---|
272 | metadata.insert("Title");
|
---|
273 | metadata.insert("Subject"); //for emails, where title data doesn't apply
|
---|
274 |
|
---|
275 | FilterResponse_t response;
|
---|
276 | text_t relation = ""; //string for displaying relation metadata
|
---|
277 | text_t relationTitle = ""; //the related documents Title (or subject)
|
---|
278 | text_t relationOID = ""; //the related documents OID
|
---|
279 |
|
---|
280 | //get the information associated with the metadata for current doc
|
---|
281 | if (get_info (docinfo.OID, collection, "", metadata,
|
---|
282 | false, collectproto, response, logout)) {
|
---|
283 |
|
---|
284 | //if the relation metadata exists, store for displaying
|
---|
285 | if(!response.docInfo[0].metadata["dc.Relation"].values.empty()){
|
---|
286 | relationOID += response.docInfo[0].metadata["dc.Relation"].values[0];
|
---|
287 |
|
---|
288 | //split relation data into pairs of collectionname,ID number
|
---|
289 | text_tarray relationpairs;
|
---|
290 | splitchar (relationOID.begin(), relationOID.end(), ' ', relationpairs);
|
---|
291 |
|
---|
292 | text_tarray::const_iterator currDoc = relationpairs.begin();
|
---|
293 | text_tarray::const_iterator lastDoc = relationpairs.end();
|
---|
294 |
|
---|
295 | //iterate through the pairs to split and display
|
---|
296 | while(currDoc != lastDoc){
|
---|
297 |
|
---|
298 | //split pairs into collectionname and ID
|
---|
299 | text_tarray relationdata;
|
---|
300 | splitchar ((*currDoc).begin(), (*currDoc).end(), ',', relationdata);
|
---|
301 |
|
---|
302 | //get first element in the array (collection)
|
---|
303 | text_tarray::const_iterator doc_data = relationdata.begin();
|
---|
304 | text_t document_collection = *doc_data;
|
---|
305 | ++doc_data; //increment to get next item in array (oid)
|
---|
306 | text_t document_OID = *doc_data;
|
---|
307 |
|
---|
308 | //create html link to related document
|
---|
309 | relation += "<a href=\"_httpdocument_&c=" + document_collection;
|
---|
310 | relation += "&cl=search&d=" + document_OID;
|
---|
311 |
|
---|
312 | //get the information associated with the metadata for related doc
|
---|
313 | if (get_info (document_OID, document_collection, "", metadata,
|
---|
314 | false, collectproto, response, logout)) {
|
---|
315 |
|
---|
316 | //if title metadata doesn't exist, collect subject metadata
|
---|
317 | //if that doesn't exist, just call it 'related document'
|
---|
318 | if (!response.docInfo[0].metadata["Title"].values[0].empty())
|
---|
319 | relationTitle = response.docInfo[0].metadata["Title"].values[0];
|
---|
320 | else if (!response.docInfo[0].metadata["Subject"].values.empty())
|
---|
321 | relationTitle = response.docInfo[0].metadata["Subject"].values[0];
|
---|
322 | else relationTitle = "RELATED DOCUMENT";
|
---|
323 |
|
---|
324 | }
|
---|
325 |
|
---|
326 | //link the related document's title to its page
|
---|
327 | relation += "\">" + relationTitle + "</a>";
|
---|
328 | relation += " (" + document_collection + ")<br>";
|
---|
329 |
|
---|
330 | ++currDoc;
|
---|
331 | }
|
---|
332 | }
|
---|
333 |
|
---|
334 | }
|
---|
335 |
|
---|
336 | if(relation.empty()) //no relation data for documnet
|
---|
337 | relation = ".. no related documents .. ";
|
---|
338 |
|
---|
339 | return relation;
|
---|
340 | }
|
---|
341 |
|
---|
342 |
|
---|
343 |
|
---|
344 | static void get_parent_options (text_t &instring, metadata_t &metaoption) {
|
---|
345 |
|
---|
346 | assert (instring.size() > 7);
|
---|
347 | if (instring.size() <= 7) return;
|
---|
348 |
|
---|
349 | text_t meta, com, op;
|
---|
350 | bool inbraces = false;
|
---|
351 | bool inquotes = false;
|
---|
352 | bool foundcolon = false;
|
---|
353 | text_t::const_iterator here = instring.begin()+6;
|
---|
354 | text_t::const_iterator end = instring.end();
|
---|
355 | while (here != end) {
|
---|
356 | if (foundcolon) meta.push_back (*here);
|
---|
357 | else if (*here == '(') inbraces = true;
|
---|
358 | else if (*here == ')') inbraces = false;
|
---|
359 | else if (*here == '\'' && !inquotes) inquotes = true;
|
---|
360 | else if (*here == '\'' && inquotes) inquotes = false;
|
---|
361 | else if (*here == ':' && !inbraces) foundcolon = true;
|
---|
362 | else if (inquotes) op.push_back (*here);
|
---|
363 | else com.push_back (*here);
|
---|
364 | ++here;
|
---|
365 | }
|
---|
366 |
|
---|
367 | instring = meta;
|
---|
368 | if (com.empty())
|
---|
369 | metaoption.mqualifier.parent = pImmediate;
|
---|
370 | else if (com == "Top")
|
---|
371 | metaoption.mqualifier.parent = pTop;
|
---|
372 | else if (com == "All") {
|
---|
373 | metaoption.mqualifier.parent = pAll;
|
---|
374 | metaoption.parentoptions = op;
|
---|
375 | }
|
---|
376 | }
|
---|
377 |
|
---|
378 |
|
---|
379 | static void get_sibling_options (text_t &instring, metadata_t &metaoption) {
|
---|
380 |
|
---|
381 | assert (instring.size() > 8);
|
---|
382 | if (instring.size() <= 8) return;
|
---|
383 | text_t meta, com, op;
|
---|
384 | bool inbraces = false;
|
---|
385 | bool inquotes = false;
|
---|
386 | bool foundcolon = false;
|
---|
387 | text_t::const_iterator here = instring.begin()+7;
|
---|
388 | text_t::const_iterator end = instring.end();
|
---|
389 | while (here != end) {
|
---|
390 | if (foundcolon) meta.push_back (*here);
|
---|
391 | else if (*here == '(') inbraces = true;
|
---|
392 | else if (*here == ')') inbraces = false;
|
---|
393 | else if (*here == '\'' && !inquotes) inquotes = true;
|
---|
394 | else if (*here == '\'' && inquotes) inquotes = false;
|
---|
395 | else if (*here == ':' && !inbraces) foundcolon = true;
|
---|
396 | else if (inquotes) op.push_back (*here);
|
---|
397 | else com.push_back (*here);
|
---|
398 | ++here;
|
---|
399 | }
|
---|
400 |
|
---|
401 | instring = meta;
|
---|
402 | metaoption.siblingoptions.clear();
|
---|
403 |
|
---|
404 | if (com.empty()) {
|
---|
405 | metaoption.mqualifier.sibling = sAll;
|
---|
406 | metaoption.siblingoptions = " ";
|
---|
407 | }
|
---|
408 | else if (com == "first") {
|
---|
409 | metaoption.mqualifier.sibling = sNum;
|
---|
410 | metaoption.siblingoptions = "0";
|
---|
411 | }
|
---|
412 | else if (com == "last") {
|
---|
413 | metaoption.mqualifier.sibling = sNum;
|
---|
414 | metaoption.siblingoptions = "-2"; // == last
|
---|
415 | }
|
---|
416 | else if (com.getint()>0) {
|
---|
417 | metaoption.mqualifier.sibling = sNum;
|
---|
418 | int pos = com.getint()-1;
|
---|
419 | metaoption.siblingoptions +=pos;
|
---|
420 | }
|
---|
421 | else {
|
---|
422 | metaoption.mqualifier.sibling = sAll;
|
---|
423 | metaoption.siblingoptions = op;
|
---|
424 | }
|
---|
425 | }
|
---|
426 |
|
---|
427 | static void get_child_options (text_t &instring, metadata_t &metaoption) {
|
---|
428 |
|
---|
429 | assert (instring.size() > 6);
|
---|
430 | if (instring.size() <= 6) return;
|
---|
431 | text_t meta, com, op;
|
---|
432 | bool inbraces = false;
|
---|
433 | bool inquotes = false;
|
---|
434 | bool foundcolon = false;
|
---|
435 | text_t::const_iterator here = instring.begin()+5;
|
---|
436 | text_t::const_iterator end = instring.end();
|
---|
437 | while (here != end) {
|
---|
438 | if (foundcolon) meta.push_back (*here);
|
---|
439 | else if (*here == '(') inbraces = true;
|
---|
440 | else if (*here == ')') inbraces = false;
|
---|
441 | else if (*here == '\'' && !inquotes) inquotes = true;
|
---|
442 | else if (*here == '\'' && inquotes) inquotes = false;
|
---|
443 | else if (*here == ':' && !inbraces) foundcolon = true;
|
---|
444 | else if (inquotes) op.push_back (*here);
|
---|
445 | else com.push_back (*here);
|
---|
446 | ++here;
|
---|
447 | }
|
---|
448 |
|
---|
449 | instring = meta;
|
---|
450 | if (com.empty()) {
|
---|
451 | metaoption.mqualifier.child = cAll;
|
---|
452 | metaoption.childoptions = " ";
|
---|
453 | }
|
---|
454 | else if (com == "first") {
|
---|
455 | metaoption.mqualifier.child = cNum;
|
---|
456 | metaoption.childoptions = ".fc";
|
---|
457 | }
|
---|
458 | else if (com == "last") {
|
---|
459 | metaoption.mqualifier.child = cNum;
|
---|
460 | metaoption.childoptions = ".lc";
|
---|
461 | }
|
---|
462 | else if (com.getint()>0) {
|
---|
463 | metaoption.mqualifier.child = cNum;
|
---|
464 | metaoption.childoptions = "."+com;
|
---|
465 | }
|
---|
466 | else {
|
---|
467 | metaoption.mqualifier.child = cAll;
|
---|
468 | metaoption.childoptions = op;
|
---|
469 | }
|
---|
470 | }
|
---|
471 |
|
---|
472 |
|
---|
473 | static void get_truncate_options (text_t &instring, metadata_t &metaoption)
|
---|
474 | {
|
---|
475 | assert (instring.size() > ((text_t) "truncate").size());
|
---|
476 | if (instring.size() <= ((text_t) "truncate").size()) return;
|
---|
477 | text_t meta, com;
|
---|
478 | bool inbraces = false;
|
---|
479 | bool foundcolon = false;
|
---|
480 | text_t::const_iterator here = instring.begin() + ((text_t) "truncate").size();
|
---|
481 | text_t::const_iterator end = instring.end();
|
---|
482 | while (here != end) {
|
---|
483 | if (foundcolon) meta.push_back (*here);
|
---|
484 | else if (*here == '(') inbraces = true;
|
---|
485 | else if (*here == ')') inbraces = false;
|
---|
486 | else if (*here == ':' && !inbraces) foundcolon = true;
|
---|
487 | else com.push_back (*here);
|
---|
488 | ++here;
|
---|
489 | }
|
---|
490 |
|
---|
491 | instring = meta;
|
---|
492 |
|
---|
493 | if (!com.empty())
|
---|
494 | {
|
---|
495 | metaoption.siblingoptions = com;
|
---|
496 | }
|
---|
497 | else
|
---|
498 | {
|
---|
499 | // Default is 100 characters if not specified
|
---|
500 | metaoption.siblingoptions = "100";
|
---|
501 | }
|
---|
502 | }
|
---|
503 |
|
---|
504 |
|
---|
505 |
|
---|
506 | static void parse_meta (text_t &meta, metadata_t &metaoption,
|
---|
507 | text_tset &metadata, bool &getParents) {
|
---|
508 |
|
---|
509 | // Look for the various format statement modifiers
|
---|
510 | // This needs to be done in a loop otherwise not all combinations will be accepted, but actually the order
|
---|
511 | // is irrelevant because this is not stored in metaoption.metacommand anyway
|
---|
512 | bool keep_trying = true;
|
---|
513 | while (keep_trying)
|
---|
514 | {
|
---|
515 | keep_trying = false;
|
---|
516 |
|
---|
517 | if (meta.size() > ((text_t) "cgisafe:").size() && starts_with(meta, "cgisafe:"))
|
---|
518 | {
|
---|
519 | metaoption.metacommand |= mCgiSafe;
|
---|
520 | meta = substr(meta.begin() + ((text_t) "cgisafe:").size(), meta.end());
|
---|
521 | keep_trying = true;
|
---|
522 | }
|
---|
523 | if (meta.size() > ((text_t) "format:").size() && starts_with(meta, "format:"))
|
---|
524 | {
|
---|
525 | metaoption.metacommand |= mSpecial;
|
---|
526 | meta = substr(meta.begin() + ((text_t) "format:").size(), meta.end());
|
---|
527 | keep_trying = true;
|
---|
528 | }
|
---|
529 |
|
---|
530 | // New "truncate" special formatting option
|
---|
531 | if (meta.size() > ((text_t) "truncate").size() && starts_with(meta, "truncate")) // No colons due to truncate(X)
|
---|
532 | {
|
---|
533 | metaoption.metacommand |= mTruncate;
|
---|
534 | get_truncate_options (meta, metaoption);
|
---|
535 | keep_trying = true;
|
---|
536 | }
|
---|
537 | // New "htmlsafe" special formatting option
|
---|
538 | if (meta.size() > ((text_t) "htmlsafe:").size() && starts_with(meta, "htmlsafe:"))
|
---|
539 | {
|
---|
540 | metaoption.metacommand |= mHTMLSafe;
|
---|
541 | meta = substr(meta.begin() + ((text_t) "htmlsafe:").size(), meta.end());
|
---|
542 | keep_trying = true;
|
---|
543 | }
|
---|
544 | // New "xmlsafe" special formatting option
|
---|
545 | if (meta.size() > ((text_t) "xmlsafe:").size() && starts_with(meta, "xmlsafe:"))
|
---|
546 | {
|
---|
547 | metaoption.metacommand |= mXMLSafe;
|
---|
548 | meta = substr(meta.begin() + ((text_t) "xmlsafe:").size(), meta.end());
|
---|
549 | keep_trying = true;
|
---|
550 | }
|
---|
551 | // New "dmsafe" special formatting option
|
---|
552 | if (meta.size() > ((text_t) "dmsafe:").size() && starts_with(meta, "dmsafe:"))
|
---|
553 | {
|
---|
554 | metaoption.metacommand |= mDMSafe;
|
---|
555 | meta = substr(meta.begin() + ((text_t) "dmsafe:").size(), meta.end());
|
---|
556 | keep_trying = true;
|
---|
557 | }
|
---|
558 | }
|
---|
559 |
|
---|
560 | bool had_parent_or_child = true;
|
---|
561 | bool prev_was_parent = false;
|
---|
562 | bool prev_was_child = false;
|
---|
563 |
|
---|
564 | while (had_parent_or_child) {
|
---|
565 | if (meta.size() > 7
|
---|
566 | && (substr (meta.begin(), meta.begin()+6) == "parent")) {
|
---|
567 |
|
---|
568 | // clear out sibling and child (cmd and options)
|
---|
569 | metaoption.metacommand &= ~(mChild|mSibling);
|
---|
570 | metaoption.childoptions.clear();
|
---|
571 | metaoption.siblingoptions.clear();
|
---|
572 |
|
---|
573 | getParents = true;
|
---|
574 | metaoption.metacommand |= mParent;
|
---|
575 | get_parent_options (meta, metaoption);
|
---|
576 |
|
---|
577 | if (prev_was_parent) {
|
---|
578 | metaoption.pre_tree_traverse += ".pr";
|
---|
579 | }
|
---|
580 | else if (prev_was_child) {
|
---|
581 | metaoption.pre_tree_traverse += ".fc";
|
---|
582 | }
|
---|
583 |
|
---|
584 | prev_was_parent = true;
|
---|
585 | prev_was_child = false;
|
---|
586 | }
|
---|
587 | else if (meta.size() > 6
|
---|
588 | && (substr (meta.begin(), meta.begin()+5) == "child")) {
|
---|
589 |
|
---|
590 | // clear out sibling and parent (cmd and options)
|
---|
591 | metaoption.metacommand &= ~(mParent|mSibling);
|
---|
592 | metaoption.parentoptions.clear();
|
---|
593 | metaoption.siblingoptions.clear();
|
---|
594 |
|
---|
595 | metaoption.metacommand |= mChild;
|
---|
596 | get_child_options (meta, metaoption);
|
---|
597 | metadata.insert("contains");
|
---|
598 |
|
---|
599 | if (prev_was_parent) {
|
---|
600 | metaoption.pre_tree_traverse += ".pr";
|
---|
601 | }
|
---|
602 | else if (prev_was_child) {
|
---|
603 | metaoption.pre_tree_traverse += ".fc";
|
---|
604 | }
|
---|
605 |
|
---|
606 | prev_was_child = true;
|
---|
607 | prev_was_parent = false;
|
---|
608 | }
|
---|
609 | else {
|
---|
610 | prev_was_child = false;
|
---|
611 | prev_was_parent = false;
|
---|
612 | had_parent_or_child = false;
|
---|
613 | }
|
---|
614 | }
|
---|
615 |
|
---|
616 | // parent/child can have sibling tacked on end also
|
---|
617 | if (meta.size() > 8 && (substr (meta.begin(), meta.begin()+7) == "sibling")) {
|
---|
618 | metaoption.metacommand |= mSibling;
|
---|
619 | get_sibling_options (meta, metaoption);
|
---|
620 | }
|
---|
621 |
|
---|
622 | // check for ex. which may occur in format statements
|
---|
623 | if (meta.size()>3 && (substr(meta.begin(), meta.begin()+3) == "ex.")) {
|
---|
624 | meta = substr (meta.begin()+3, meta.end());
|
---|
625 | }
|
---|
626 | metadata.insert (meta);
|
---|
627 | metaoption.metaname = meta;
|
---|
628 | }
|
---|
629 |
|
---|
630 | static void parse_coll_meta(text_t &meta, metadata_t &metaoption) {
|
---|
631 | if (meta == "collection") {
|
---|
632 | // no qualifiers
|
---|
633 | metaoption.metaname = g_EmptyText;
|
---|
634 | return;
|
---|
635 | }
|
---|
636 | meta = substr (meta.begin()+11, meta.end());
|
---|
637 | metaoption.metaname = meta;
|
---|
638 |
|
---|
639 | }
|
---|
640 |
|
---|
641 | static void parse_meta (text_t &meta, format_t *formatlistptr,
|
---|
642 | text_tset &metadata, bool &getParents) {
|
---|
643 |
|
---|
644 | // check for ex. which may occur in format statements
|
---|
645 | if (meta.size()>3 && (substr(meta.begin(), meta.begin()+3) == "ex.")) {
|
---|
646 | meta = substr (meta.begin()+3, meta.end());
|
---|
647 | }
|
---|
648 | if (meta == "link")
|
---|
649 | formatlistptr->command = comLink;
|
---|
650 | else if (meta == "/link")
|
---|
651 | formatlistptr->command = comEndLink;
|
---|
652 |
|
---|
653 | else if (meta == "srclink") {
|
---|
654 | formatlistptr->command = comAssocLink;
|
---|
655 | formatlistptr->meta.metaname = "srclink_file";
|
---|
656 | metadata.insert("srclink_file");
|
---|
657 | }
|
---|
658 | else if (meta == "srchref") {
|
---|
659 | formatlistptr->command = comAssocLink;
|
---|
660 | formatlistptr->text = "href";
|
---|
661 | formatlistptr->meta.metaname = "srclink_file";
|
---|
662 | metadata.insert("srclink_file");
|
---|
663 | }
|
---|
664 | else if (meta == "/srclink") {
|
---|
665 | formatlistptr->command = comEndAssocLink;
|
---|
666 | formatlistptr->meta.metaname = "srclink_file";
|
---|
667 | }
|
---|
668 | // and weblink etc
|
---|
669 | else if (meta == "href")
|
---|
670 | formatlistptr->command = comHref;
|
---|
671 |
|
---|
672 | else if (meta == "num")
|
---|
673 | formatlistptr->command = comNum;
|
---|
674 |
|
---|
675 | else if (meta == "icon")
|
---|
676 | formatlistptr->command = comIcon;
|
---|
677 |
|
---|
678 | else if (meta == "Text")
|
---|
679 | formatlistptr->command = comDoc;
|
---|
680 |
|
---|
681 | else if (meta == "RelatedDocuments")
|
---|
682 | formatlistptr->command = comRel;
|
---|
683 |
|
---|
684 | else if (meta == "highlight")
|
---|
685 | formatlistptr->command = comHighlight;
|
---|
686 |
|
---|
687 | else if (meta == "/highlight")
|
---|
688 | formatlistptr->command = comEndHighlight;
|
---|
689 |
|
---|
690 | else if (meta == "metadata-spanwrap")
|
---|
691 | formatlistptr->command = comMetadataSpanWrap;
|
---|
692 |
|
---|
693 | else if (meta == "/metadata-spanwrap")
|
---|
694 | formatlistptr->command = comEndMetadataSpanWrap;
|
---|
695 |
|
---|
696 | else if (meta == "Summary")
|
---|
697 | formatlistptr->command = comSummary;
|
---|
698 |
|
---|
699 | else if (meta == "DocImage")
|
---|
700 | formatlistptr->command = comImage;
|
---|
701 |
|
---|
702 | else if (meta == "DocTOC")
|
---|
703 | formatlistptr->command = comTOC;
|
---|
704 |
|
---|
705 | else if (meta == "DocumentButtonDetach")
|
---|
706 | formatlistptr->command = comDocumentButtonDetach;
|
---|
707 |
|
---|
708 | else if (meta == "DocumentButtonHighlight")
|
---|
709 | formatlistptr->command = comDocumentButtonHighlight;
|
---|
710 |
|
---|
711 | else if (meta == "DocumentButtonExpandContents")
|
---|
712 | formatlistptr->command = comDocumentButtonExpandContents;
|
---|
713 |
|
---|
714 | else if (meta == "DocumentButtonExpandText")
|
---|
715 | formatlistptr->command = comDocumentButtonExpandText;
|
---|
716 |
|
---|
717 | else if (meta == "DocOID")
|
---|
718 | formatlistptr->command = comOID;
|
---|
719 | else if (meta == "DocTopOID")
|
---|
720 | formatlistptr->command = comTopOID;
|
---|
721 | else if (meta == "DocRank")
|
---|
722 | formatlistptr->command = comRank;
|
---|
723 | else if (meta == "DocTermsFreqTotal")
|
---|
724 | formatlistptr->command = comDocTermsFreqTotal;
|
---|
725 | else if (meta.size() >= 10 && (substr(meta.begin(), meta.begin()+10) == "collection")) {
|
---|
726 | formatlistptr->command = comCollection;
|
---|
727 | parse_coll_meta(meta, formatlistptr->meta);
|
---|
728 | }
|
---|
729 | else {
|
---|
730 | formatlistptr->command = comMeta;
|
---|
731 | parse_meta (meta, formatlistptr->meta, metadata, getParents);
|
---|
732 | }
|
---|
733 | }
|
---|
734 |
|
---|
735 |
|
---|
736 | static bool parse_string (const text_t &formatstring, format_t *formatlistptr,
|
---|
737 | text_tset &metadata, bool &getParents) {
|
---|
738 |
|
---|
739 | text_t text;
|
---|
740 | text_t::const_iterator here = formatstring.begin();
|
---|
741 | text_t::const_iterator end = formatstring.end();
|
---|
742 |
|
---|
743 | while (here != end) {
|
---|
744 |
|
---|
745 | if (*here == '\\') {
|
---|
746 | ++here;
|
---|
747 | if (here != end) text.push_back (*here);
|
---|
748 |
|
---|
749 | } else if (*here == '{') {
|
---|
750 | if (!text.empty()) {
|
---|
751 | formatlistptr->command = comText;
|
---|
752 | formatlistptr->text = text;
|
---|
753 | formatlistptr->nextptr = new format_t();
|
---|
754 | formatlistptr = formatlistptr->nextptr;
|
---|
755 |
|
---|
756 | text.clear();
|
---|
757 | }
|
---|
758 | if (parse_action (++here, end, formatlistptr, metadata, getParents)) {
|
---|
759 |
|
---|
760 | formatlistptr->nextptr = new format_t();
|
---|
761 | formatlistptr = formatlistptr->nextptr;
|
---|
762 | if (here == end) break;
|
---|
763 | }
|
---|
764 | } else if (*here == '[') {
|
---|
765 | if (!text.empty()) {
|
---|
766 | formatlistptr->command = comText;
|
---|
767 | formatlistptr->text = text;
|
---|
768 | formatlistptr->nextptr = new format_t();
|
---|
769 | formatlistptr = formatlistptr->nextptr;
|
---|
770 |
|
---|
771 | text.clear();
|
---|
772 | }
|
---|
773 | text_t meta;
|
---|
774 | ++here;
|
---|
775 | while (*here != ']') {
|
---|
776 | if (here == end) return false;
|
---|
777 | meta.push_back (*here);
|
---|
778 | ++here;
|
---|
779 | }
|
---|
780 | parse_meta (meta, formatlistptr, metadata, getParents);
|
---|
781 | formatlistptr->nextptr = new format_t();
|
---|
782 | formatlistptr = formatlistptr->nextptr;
|
---|
783 |
|
---|
784 | } else
|
---|
785 | text.push_back (*here);
|
---|
786 |
|
---|
787 | if (here != end) ++here;
|
---|
788 | }
|
---|
789 | if (!text.empty()) {
|
---|
790 | formatlistptr->command = comText;
|
---|
791 | formatlistptr->text = text;
|
---|
792 | formatlistptr->nextptr = new format_t();
|
---|
793 | formatlistptr = formatlistptr->nextptr;
|
---|
794 |
|
---|
795 | }
|
---|
796 | return true;
|
---|
797 | }
|
---|
798 |
|
---|
799 |
|
---|
800 | static bool parse_action (text_t::const_iterator &here, const text_t::const_iterator &end,
|
---|
801 | format_t *formatlistptr, text_tset &metadata, bool &getParents) {
|
---|
802 |
|
---|
803 | text_t::const_iterator it = findchar (here, end, '}');
|
---|
804 | if (it == end) return false;
|
---|
805 |
|
---|
806 | text_t com = substr (here, it);
|
---|
807 | here = findchar (it, end, '{');
|
---|
808 | if (here == end) return false;
|
---|
809 | else ++here;
|
---|
810 |
|
---|
811 | if (com == "If" || com == "if" || com == "IF") formatlistptr->command = comIf;
|
---|
812 | else if (com == "Or" || com == "or" || com == "OR") formatlistptr->command = comOr;
|
---|
813 | else return false;
|
---|
814 |
|
---|
815 | int commacount = 0;
|
---|
816 | text_t text;
|
---|
817 | while (here != end) {
|
---|
818 |
|
---|
819 | if (*here == '\\') {
|
---|
820 | ++here;
|
---|
821 | if (here != end) text.push_back(*here);
|
---|
822 |
|
---|
823 | }
|
---|
824 |
|
---|
825 | else if (*here == ',' || *here == '}' || *here == '{') {
|
---|
826 |
|
---|
827 | if (formatlistptr->command == comOr) {
|
---|
828 | // the {Or}{this, or this, or this, or this} statement
|
---|
829 | format_t *or_ptr;
|
---|
830 |
|
---|
831 | // find the next unused orptr
|
---|
832 | if (formatlistptr->orptr == NULL) {
|
---|
833 | formatlistptr->orptr = new format_t();
|
---|
834 | or_ptr = formatlistptr->orptr;
|
---|
835 | } else {
|
---|
836 | or_ptr = formatlistptr->orptr;
|
---|
837 | while (or_ptr->nextptr != NULL)
|
---|
838 | or_ptr = or_ptr->nextptr;
|
---|
839 | or_ptr->nextptr = new format_t();
|
---|
840 | or_ptr = or_ptr->nextptr;
|
---|
841 | }
|
---|
842 |
|
---|
843 | if (!text.empty())
|
---|
844 | {
|
---|
845 | if (!parse_string(text, or_ptr, metadata, getParents)) { return false; }
|
---|
846 | }
|
---|
847 |
|
---|
848 | if (*here == '{')
|
---|
849 | {
|
---|
850 | // Supports: {Or}{[Booktitle],[Title],{If}{[XXXX],aaa,bbb}}
|
---|
851 | // but not : {Or}{[Booktitle],[Title]{If}{[XXXX],aaa,bbb}}
|
---|
852 | // The latter can always be re-written:
|
---|
853 | // {Or}{[Booktitle],{If}{[Title],[Title]{If}{[XXXX],aaa,bbb}}}
|
---|
854 |
|
---|
855 | if (!text.empty()) // already used up allocated format_t
|
---|
856 | {
|
---|
857 | // => allocate new one for detected action
|
---|
858 | or_ptr->nextptr = new format_t();
|
---|
859 | or_ptr = or_ptr->nextptr;
|
---|
860 | }
|
---|
861 | if (!parse_action(++here, end, or_ptr, metadata, getParents))
|
---|
862 | {
|
---|
863 | return false;
|
---|
864 | }
|
---|
865 | }
|
---|
866 | else
|
---|
867 | {
|
---|
868 | if (*here == '}') break;
|
---|
869 | }
|
---|
870 | text.clear();
|
---|
871 |
|
---|
872 | }
|
---|
873 |
|
---|
874 | // Parse an {If}{decide,do,else} statement
|
---|
875 | else {
|
---|
876 |
|
---|
877 | // Read the decision component.
|
---|
878 | if (commacount == 0) {
|
---|
879 | // Decsion can be a metadata element, or a piece of text.
|
---|
880 | // Originally Stefan's code, updated 25/10/2000 by Gordon.
|
---|
881 |
|
---|
882 | text_t::const_iterator beginbracket = text.begin();
|
---|
883 | text_t::const_iterator endbracket = (text.end() - 1);
|
---|
884 |
|
---|
885 | // Decision is based on a metadata element
|
---|
886 | if ((*beginbracket == '[') && (*endbracket == ']')) {
|
---|
887 | // Ignore the surrounding square brackets
|
---|
888 | text_t meta = substr (beginbracket+1, endbracket);
|
---|
889 | parse_meta (meta, formatlistptr->decision.meta, metadata, getParents);
|
---|
890 | ++commacount;
|
---|
891 | text.clear();
|
---|
892 | }
|
---|
893 |
|
---|
894 | // Decision is a piece of text (probably a macro like _cgiargmode_).
|
---|
895 | else {
|
---|
896 |
|
---|
897 | // hunt for any metadata in string, which might be uses in
|
---|
898 | // to test a condition, e.g. [Format] eq 'PDF'
|
---|
899 | format_t* dummyformat = new format_t();
|
---|
900 | // update which metadata fields needed
|
---|
901 | // (not interested in updatng formatlistptr)
|
---|
902 | parse_string (text, dummyformat, metadata, getParents);
|
---|
903 | delete dummyformat;
|
---|
904 |
|
---|
905 | formatlistptr->decision.command = dText;
|
---|
906 | formatlistptr->decision.text = text;
|
---|
907 | ++commacount;
|
---|
908 | text.clear();
|
---|
909 | }
|
---|
910 | }
|
---|
911 |
|
---|
912 | // Read the "then" and "else" components of the {If} statement.
|
---|
913 | else {
|
---|
914 | format_t** nextlistptr = NULL;
|
---|
915 | if (commacount == 1) {
|
---|
916 | nextlistptr = &formatlistptr->ifptr;
|
---|
917 | } else if (commacount == 2 ) {
|
---|
918 | nextlistptr = &formatlistptr->elseptr;
|
---|
919 | } else {
|
---|
920 | return false;
|
---|
921 | }
|
---|
922 |
|
---|
923 | if (!text.empty()) {
|
---|
924 | if (*nextlistptr == NULL) {
|
---|
925 | *nextlistptr = new format_t();
|
---|
926 | } else {
|
---|
927 |
|
---|
928 | // skip to the end of any format_t statements already added
|
---|
929 | while ((*nextlistptr)->nextptr != NULL)
|
---|
930 | {
|
---|
931 | nextlistptr = &(*nextlistptr)->nextptr;
|
---|
932 | }
|
---|
933 |
|
---|
934 | (*nextlistptr)->nextptr = new format_t();
|
---|
935 | nextlistptr = &(*nextlistptr)->nextptr;
|
---|
936 | }
|
---|
937 |
|
---|
938 | if (!parse_string (text, *nextlistptr, metadata, getParents))
|
---|
939 | {
|
---|
940 | return false;
|
---|
941 | }
|
---|
942 | text.clear();
|
---|
943 | }
|
---|
944 |
|
---|
945 | if (*here == '{')
|
---|
946 | {
|
---|
947 | if (*nextlistptr == NULL) {
|
---|
948 | *nextlistptr = new format_t();
|
---|
949 | } else {
|
---|
950 | // skip to the end of any format_t statements already added
|
---|
951 | while ((*nextlistptr)->nextptr != NULL)
|
---|
952 | {
|
---|
953 | nextlistptr = &(*nextlistptr)->nextptr;
|
---|
954 | }
|
---|
955 |
|
---|
956 | (*nextlistptr)->nextptr = new format_t();
|
---|
957 | nextlistptr = &(*nextlistptr)->nextptr;
|
---|
958 | }
|
---|
959 |
|
---|
960 | if (!parse_action(++here, end, *nextlistptr, metadata, getParents))
|
---|
961 | {
|
---|
962 | return false;
|
---|
963 | }
|
---|
964 | }
|
---|
965 | else
|
---|
966 | {
|
---|
967 | if (*here == '}') break;
|
---|
968 | ++commacount;
|
---|
969 | }
|
---|
970 | }
|
---|
971 | }
|
---|
972 |
|
---|
973 | } else text.push_back(*here);
|
---|
974 |
|
---|
975 | if (here != end) ++here;
|
---|
976 | }
|
---|
977 |
|
---|
978 | return true;
|
---|
979 | }
|
---|
980 |
|
---|
981 |
|
---|
982 | static text_t spanwrap_metatext(const text_t& metatext, const text_t& OID,
|
---|
983 | const text_t metaname, int metapos=-1)
|
---|
984 | {
|
---|
985 |
|
---|
986 | text_t tag_type = (metaname == "Text") ? "div" : "span";
|
---|
987 | text_t editable_type = (metaname == "Text") ? "text" : "metadata";
|
---|
988 |
|
---|
989 | text_t wrapped_metatext = "<" + tag_type + " ";
|
---|
990 | wrapped_metatext += "class=\"editable-" + editable_type + "\" ";
|
---|
991 |
|
---|
992 | wrapped_metatext += "docoid=\"" + OID + "\" ";
|
---|
993 | wrapped_metatext += "metaname=\"" + metaname + "\"";
|
---|
994 |
|
---|
995 | if (metapos>=0) {
|
---|
996 | text_t metapos_str = metapos;
|
---|
997 | wrapped_metatext += " metapos=\"" + metapos_str + "\"";
|
---|
998 | }
|
---|
999 |
|
---|
1000 | wrapped_metatext += ">" + metatext + "</" + tag_type + ">";
|
---|
1001 |
|
---|
1002 | return wrapped_metatext;
|
---|
1003 | }
|
---|
1004 |
|
---|
1005 |
|
---|
1006 |
|
---|
1007 | bool parse_formatstring (const text_t &formatstring, format_t *formatlistptr,
|
---|
1008 | text_tset &metadata, bool &getParents) {
|
---|
1009 |
|
---|
1010 | formatlistptr->clear();
|
---|
1011 | getParents = false;
|
---|
1012 |
|
---|
1013 | return (parse_string (formatstring, formatlistptr, metadata, getParents));
|
---|
1014 | }
|
---|
1015 |
|
---|
1016 | // position -1 for all, -2 for the last, 0 for the first, or x for a particular piece
|
---|
1017 | // metainfo has all the values for the metadata, meta has the request metadata name and options, position tells which values to get
|
---|
1018 |
|
---|
1019 | static text_t get_formatted_meta_text(const text_t& OID, MetadataInfo_t &metainfo, const metadata_t &meta, int position, bool no_cgisafe = false)
|
---|
1020 | {
|
---|
1021 | text_t no_ns_metaname = remove_namespace(meta.metaname);
|
---|
1022 | text_t formatted_metatext;
|
---|
1023 | bool first = true;
|
---|
1024 |
|
---|
1025 | const int start_i=0;
|
---|
1026 | const int end_i = metainfo.values.size()-1;
|
---|
1027 |
|
---|
1028 | if (position == -1) { // all
|
---|
1029 | for (int i=start_i; i<=end_i; ++i) {
|
---|
1030 | if (!first) formatted_metatext += meta.siblingoptions;
|
---|
1031 |
|
---|
1032 | text_t fresh_metatext;
|
---|
1033 |
|
---|
1034 | if (meta.metacommand & mSpecial) {
|
---|
1035 | // special formatting
|
---|
1036 | if (no_ns_metaname == "Date") fresh_metatext = format_date (metainfo.values[i]);
|
---|
1037 | else if (no_ns_metaname == "Language") fresh_metatext = iso639(metainfo.values[i]);
|
---|
1038 | else fresh_metatext = "_format:"+meta.metaname+"_("+metainfo.values[i]+")";
|
---|
1039 | }
|
---|
1040 | else fresh_metatext = metainfo.values[i];
|
---|
1041 |
|
---|
1042 | // New "truncate" special formatting option
|
---|
1043 | if (meta.metacommand & mTruncate)
|
---|
1044 | {
|
---|
1045 | int truncate_length = meta.siblingoptions.getint();
|
---|
1046 | text_t truncated_value = fresh_metatext;
|
---|
1047 | if (truncated_value.size() > truncate_length)
|
---|
1048 | {
|
---|
1049 | truncated_value = substr(truncated_value.begin(), truncated_value.begin() + truncate_length) + "... _texttruncated_";
|
---|
1050 | }
|
---|
1051 | fresh_metatext = truncated_value;
|
---|
1052 | }
|
---|
1053 | // New "xmlsafe" special formatting option
|
---|
1054 | if (meta.metacommand & mXMLSafe)
|
---|
1055 | {
|
---|
1056 | // Make it XML-safe
|
---|
1057 | text_t text_xml_safe = "";
|
---|
1058 | text_t::const_iterator text_iterator = fresh_metatext.begin();
|
---|
1059 | while (text_iterator != fresh_metatext.end())
|
---|
1060 | {
|
---|
1061 | if (*text_iterator == '&') text_xml_safe += "&";
|
---|
1062 | else if (*text_iterator == '<') text_xml_safe += "<";
|
---|
1063 | else if (*text_iterator == '>') text_xml_safe += ">";
|
---|
1064 | else text_xml_safe.push_back(*text_iterator);
|
---|
1065 | text_iterator++;
|
---|
1066 | }
|
---|
1067 | fresh_metatext = text_xml_safe;
|
---|
1068 | }
|
---|
1069 | // New "htmlsafe" special formatting option
|
---|
1070 | if (meta.metacommand & mHTMLSafe)
|
---|
1071 | {
|
---|
1072 | // Make it HTML-safe
|
---|
1073 | text_t text_html_safe = "";
|
---|
1074 | text_t::const_iterator text_iterator = fresh_metatext.begin();
|
---|
1075 | while (text_iterator != fresh_metatext.end())
|
---|
1076 | {
|
---|
1077 | if (*text_iterator == '&') text_html_safe += "&";
|
---|
1078 | else if (*text_iterator == '<') text_html_safe += "<";
|
---|
1079 | else if (*text_iterator == '>') text_html_safe += ">";
|
---|
1080 | else if (*text_iterator == '"') text_html_safe += """;
|
---|
1081 | else text_html_safe.push_back(*text_iterator);
|
---|
1082 | text_iterator++;
|
---|
1083 | }
|
---|
1084 | fresh_metatext = text_html_safe;
|
---|
1085 | }
|
---|
1086 | // New "dmsafe" special formatting option (always apply to "srclink_file" metadata)
|
---|
1087 | if (meta.metacommand & mDMSafe || meta.metaname == "srclink_file")
|
---|
1088 | {
|
---|
1089 | // Make it macro-safe
|
---|
1090 | text_t text_dm_safe = dm_safe(fresh_metatext);
|
---|
1091 | fresh_metatext = text_dm_safe;
|
---|
1092 | }
|
---|
1093 |
|
---|
1094 | if (metadata_spanwrap) {
|
---|
1095 | fresh_metatext = spanwrap_metatext(fresh_metatext,OID,meta.metaname,i);
|
---|
1096 | }
|
---|
1097 | formatted_metatext += fresh_metatext;
|
---|
1098 |
|
---|
1099 | first = false;
|
---|
1100 |
|
---|
1101 | }
|
---|
1102 | } else {
|
---|
1103 | if (position == -2) { // end
|
---|
1104 | position = end_i;
|
---|
1105 | } else if (position < start_i || position > end_i) {
|
---|
1106 | return "";
|
---|
1107 | }
|
---|
1108 |
|
---|
1109 | text_t fresh_metatext;
|
---|
1110 | if (meta.metacommand & mSpecial) {
|
---|
1111 |
|
---|
1112 | // special formatting
|
---|
1113 | if (no_ns_metaname == "Date") fresh_metatext = format_date (metainfo.values[position]);
|
---|
1114 | else if (no_ns_metaname == "Language") fresh_metatext = iso639(metainfo.values[position]);
|
---|
1115 | else fresh_metatext = "_format:"+meta.metaname+"_("+metainfo.values[position]+")";
|
---|
1116 | }
|
---|
1117 | else fresh_metatext = metainfo.values[position];
|
---|
1118 |
|
---|
1119 | // New "truncate" special formatting option
|
---|
1120 | if (meta.metacommand & mTruncate)
|
---|
1121 | {
|
---|
1122 | int truncate_length = meta.siblingoptions.getint();
|
---|
1123 | text_t truncated_value = fresh_metatext;
|
---|
1124 | if (truncated_value.size() > truncate_length)
|
---|
1125 | {
|
---|
1126 | truncated_value = substr(truncated_value.begin(), truncated_value.begin() + truncate_length) + "... _texttruncated_";
|
---|
1127 | }
|
---|
1128 | fresh_metatext = truncated_value;
|
---|
1129 | }
|
---|
1130 | // New "xmlsafe" special formatting option
|
---|
1131 | if (meta.metacommand & mXMLSafe)
|
---|
1132 | {
|
---|
1133 | // Make it XML-safe
|
---|
1134 | text_t text_xml_safe = "";
|
---|
1135 | text_t::const_iterator text_iterator = fresh_metatext.begin();
|
---|
1136 | while (text_iterator != fresh_metatext.end())
|
---|
1137 | {
|
---|
1138 | if (*text_iterator == '&') text_xml_safe += "&";
|
---|
1139 | else if (*text_iterator == '<') text_xml_safe += "<";
|
---|
1140 | else if (*text_iterator == '>') text_xml_safe += ">";
|
---|
1141 | else text_xml_safe.push_back(*text_iterator);
|
---|
1142 | text_iterator++;
|
---|
1143 | }
|
---|
1144 | fresh_metatext = text_xml_safe;
|
---|
1145 | }
|
---|
1146 | // New "htmlsafe" special formatting option
|
---|
1147 | if (meta.metacommand & mHTMLSafe)
|
---|
1148 | {
|
---|
1149 | // Make it HTML-safe
|
---|
1150 | text_t text_html_safe = "";
|
---|
1151 | text_t::const_iterator text_iterator = fresh_metatext.begin();
|
---|
1152 | while (text_iterator != fresh_metatext.end())
|
---|
1153 | {
|
---|
1154 | if (*text_iterator == '&') text_html_safe += "&";
|
---|
1155 | else if (*text_iterator == '<') text_html_safe += "<";
|
---|
1156 | else if (*text_iterator == '>') text_html_safe += ">";
|
---|
1157 | else if (*text_iterator == '"') text_html_safe += """;
|
---|
1158 | else if (*text_iterator == '\'') text_html_safe += "'";
|
---|
1159 | else if (*text_iterator == ',') text_html_safe += ",";
|
---|
1160 | else text_html_safe.push_back(*text_iterator);
|
---|
1161 | text_iterator++;
|
---|
1162 | }
|
---|
1163 | fresh_metatext = text_html_safe;
|
---|
1164 | }
|
---|
1165 | // New "dmsafe" special formatting option (always apply to "srclink_file" metadata)
|
---|
1166 | if (meta.metacommand & mDMSafe || meta.metaname == "srclink_file")
|
---|
1167 | {
|
---|
1168 | // Make it macro-safe
|
---|
1169 | text_t text_dm_safe = dm_safe(fresh_metatext);
|
---|
1170 | fresh_metatext = text_dm_safe;
|
---|
1171 | }
|
---|
1172 |
|
---|
1173 | if (metadata_spanwrap) {
|
---|
1174 | fresh_metatext = spanwrap_metatext(fresh_metatext,OID,meta.metaname,position);
|
---|
1175 | }
|
---|
1176 |
|
---|
1177 | formatted_metatext += fresh_metatext;
|
---|
1178 | }
|
---|
1179 |
|
---|
1180 | if (meta.metacommand & mCgiSafe && !no_cgisafe) return cgi_safe_unicode (formatted_metatext);
|
---|
1181 | else return formatted_metatext;
|
---|
1182 | }
|
---|
1183 |
|
---|
1184 | static text_t get_parent_meta (ResultDocInfo_t &docinfo, const metadata_t &meta, int siblings_values)
|
---|
1185 | {
|
---|
1186 |
|
---|
1187 | MetadataInfo_t *parent = docinfo.metadata[meta.metaname].parent;
|
---|
1188 |
|
---|
1189 | switch (meta.mqualifier.parent) {
|
---|
1190 | case pNone:
|
---|
1191 | return "Nothing!!";
|
---|
1192 | break;
|
---|
1193 |
|
---|
1194 | case pImmediate:
|
---|
1195 | if (parent != NULL) {
|
---|
1196 | text_t parent_oid = get_parent(docinfo.OID);
|
---|
1197 | return get_formatted_meta_text(parent_oid,*parent, meta, siblings_values);
|
---|
1198 | }
|
---|
1199 | break;
|
---|
1200 |
|
---|
1201 | case pTop:
|
---|
1202 | if (parent != NULL) {
|
---|
1203 | text_t parent_oid = get_parent(docinfo.OID);
|
---|
1204 |
|
---|
1205 | while (parent->parent != NULL) {
|
---|
1206 | parent = parent->parent;
|
---|
1207 | parent_oid = get_parent(parent_oid);
|
---|
1208 | }
|
---|
1209 | return get_formatted_meta_text(parent_oid,*parent, meta, siblings_values);
|
---|
1210 | }
|
---|
1211 | break;
|
---|
1212 |
|
---|
1213 | case pAll:
|
---|
1214 | MetadataInfo_t *parent = docinfo.metadata[meta.metaname].parent;
|
---|
1215 | if (parent != NULL) {
|
---|
1216 | text_t parent_oid = get_parent(docinfo.OID);
|
---|
1217 |
|
---|
1218 | text_tarray tmparray;
|
---|
1219 | while (parent != NULL) {
|
---|
1220 | tmparray.push_back (get_formatted_meta_text(parent_oid,*parent, meta, siblings_values, true)); // set no_cgisafe to true, as we'll do it once we have all the metadata
|
---|
1221 | parent = parent->parent;
|
---|
1222 | parent_oid = get_parent(parent_oid);
|
---|
1223 |
|
---|
1224 | }
|
---|
1225 | // now join them up - use teh parent separator
|
---|
1226 | bool first = true;
|
---|
1227 | text_t tmp;
|
---|
1228 | text_tarray::reverse_iterator here = tmparray.rbegin();
|
---|
1229 | text_tarray::reverse_iterator end = tmparray.rend();
|
---|
1230 | while (here != end) {
|
---|
1231 | if (!first) tmp += meta.parentoptions;
|
---|
1232 | tmp += *here;
|
---|
1233 | first = false;
|
---|
1234 | ++here;
|
---|
1235 | }
|
---|
1236 | if (meta.metacommand & mCgiSafe) return cgi_safe_unicode (tmp);
|
---|
1237 | else return tmp;
|
---|
1238 | }
|
---|
1239 | }
|
---|
1240 | return "";
|
---|
1241 |
|
---|
1242 | }
|
---|
1243 |
|
---|
1244 | static text_t get_child_meta (const text_t& collection,
|
---|
1245 | recptproto* collectproto,
|
---|
1246 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
1247 | const metadata_t &meta, text_tmap &options,
|
---|
1248 | ostream& logout, int siblings_values)
|
---|
1249 | {
|
---|
1250 | if (docinfo.metadata["contains"].values[0].size()==0) return ""; // no children
|
---|
1251 |
|
---|
1252 | const text_t& pre_tree_trav = meta.pre_tree_traverse;
|
---|
1253 | const text_t& child_metaname = meta.metaname;
|
---|
1254 | const text_t& child_field = meta.childoptions;
|
---|
1255 | text_tset child_metadata;
|
---|
1256 | child_metadata.insert(child_metaname);
|
---|
1257 |
|
---|
1258 | FilterResponse_t child_response;
|
---|
1259 | if (meta.mqualifier.child == cNum) {
|
---|
1260 | // just one child
|
---|
1261 | //get the information associated with the metadata for child doc
|
---|
1262 | if (!get_info (docinfo.OID+pre_tree_trav+child_field, collection, "",
|
---|
1263 | child_metadata, false, collectproto, child_response,
|
---|
1264 | logout)) return ""; // invalid child number
|
---|
1265 |
|
---|
1266 | if (child_response.docInfo.empty()) return false; // no info for the child
|
---|
1267 |
|
---|
1268 | ResultDocInfo_t& child_docinfo = child_response.docInfo[0];
|
---|
1269 | MetadataInfo_t& metaname_rec = child_docinfo.metadata[child_metaname];
|
---|
1270 |
|
---|
1271 | text_t child_metavalue
|
---|
1272 | = get_formatted_meta_text(child_docinfo.OID,metaname_rec,meta,siblings_values);
|
---|
1273 | return expand_metadata(child_metavalue,collection,collectproto,
|
---|
1274 | child_docinfo,disp,options,logout);
|
---|
1275 | }
|
---|
1276 |
|
---|
1277 |
|
---|
1278 | if (meta.mqualifier.child != cAll) return false; // invalid qualifier
|
---|
1279 |
|
---|
1280 |
|
---|
1281 | if (!pre_tree_trav.empty()) {
|
---|
1282 | // need to get relevant "contains" metadata for new (e.g. pre tree trav) node
|
---|
1283 | FilterResponse_t trav_response;
|
---|
1284 |
|
---|
1285 | text_tset trav_metadata;
|
---|
1286 | trav_metadata.insert("contains");
|
---|
1287 |
|
---|
1288 | if (!get_info (docinfo.OID+pre_tree_trav, collection, "",
|
---|
1289 | trav_metadata, false, collectproto, trav_response,
|
---|
1290 | logout)) return ""; // invalid pre_tree_trav
|
---|
1291 |
|
---|
1292 | if (trav_response.docInfo.empty()) return false; // no info for the pre_tree_trav OID
|
---|
1293 |
|
---|
1294 | ResultDocInfo_t& trav_docinfo = trav_response.docInfo[0];
|
---|
1295 |
|
---|
1296 | // use this for rest of routine
|
---|
1297 | docinfo = trav_docinfo;
|
---|
1298 | }
|
---|
1299 |
|
---|
1300 | // we need to get all children
|
---|
1301 | text_t result = "";
|
---|
1302 | text_tarray children;
|
---|
1303 | text_t contains = docinfo.metadata["contains"].values[0];
|
---|
1304 | splitchar (contains.begin(), contains.end(), ';', children);
|
---|
1305 | text_tarray::const_iterator here = children.begin();
|
---|
1306 | text_tarray::const_iterator end = children.end();
|
---|
1307 | bool first = true;
|
---|
1308 | while (here !=end) {
|
---|
1309 | text_t oid = *here;
|
---|
1310 | here++;
|
---|
1311 | if (*(oid.begin()) == '"') translate_parent (oid, docinfo.OID);
|
---|
1312 |
|
---|
1313 | //get the information associated with the metadata for child doc
|
---|
1314 | if (!get_info (oid, collection, "", child_metadata,
|
---|
1315 | false, collectproto, child_response, logout) ||
|
---|
1316 | child_response.docInfo.empty()) {
|
---|
1317 | first = false;
|
---|
1318 | continue;
|
---|
1319 | }
|
---|
1320 |
|
---|
1321 |
|
---|
1322 | ResultDocInfo_t& child_docinfo = child_response.docInfo[0];
|
---|
1323 | MetadataInfo_t& metaname_rec = child_docinfo.metadata[child_metaname];
|
---|
1324 |
|
---|
1325 | text_t child_metavalue
|
---|
1326 | = get_formatted_meta_text(child_docinfo.OID,metaname_rec,meta,siblings_values);
|
---|
1327 |
|
---|
1328 |
|
---|
1329 | if (!first) result += child_field;
|
---|
1330 | first = false;
|
---|
1331 | // need to do this here cos otherwise we are in the wrong document
|
---|
1332 | text_t em = expand_metadata(child_metavalue,collection,collectproto,
|
---|
1333 | child_docinfo,disp,options,logout);
|
---|
1334 |
|
---|
1335 | result += em;
|
---|
1336 | }
|
---|
1337 | return result;
|
---|
1338 |
|
---|
1339 | }
|
---|
1340 |
|
---|
1341 | static text_t get_meta (const text_t& collection, recptproto* collectproto,
|
---|
1342 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
1343 | const metadata_t &meta, text_tmap &options,
|
---|
1344 | ostream& logout) {
|
---|
1345 |
|
---|
1346 | // make sure we have the requested metadata
|
---|
1347 | MetadataInfo_tmap::iterator it = docinfo.metadata.find (meta.metaname);
|
---|
1348 | if (it == docinfo.metadata.end()) return "";
|
---|
1349 |
|
---|
1350 | int siblings_values = 0; // default is no siblings, just the first metadata available
|
---|
1351 | if (meta.metacommand & mSibling) {
|
---|
1352 | if (meta.mqualifier.sibling == sAll) {
|
---|
1353 | siblings_values = -1; //all
|
---|
1354 | } else if (meta.mqualifier.sibling == sNum) {
|
---|
1355 | siblings_values = meta.siblingoptions.getint();
|
---|
1356 | }
|
---|
1357 | }
|
---|
1358 | if (meta.metacommand & mParent) {
|
---|
1359 | return get_parent_meta(docinfo,meta,siblings_values);
|
---|
1360 | }
|
---|
1361 |
|
---|
1362 | else if (meta.metacommand & mChild) {
|
---|
1363 | return get_child_meta(collection,collectproto,docinfo,disp,meta,
|
---|
1364 | options,logout, siblings_values);
|
---|
1365 | }
|
---|
1366 | else if (meta.metacommand & mSibling) { // only siblings
|
---|
1367 | MetadataInfo_t& metaname_rec = docinfo.metadata[meta.metaname];
|
---|
1368 | return get_formatted_meta_text(docinfo.OID,docinfo.metadata[meta.metaname],meta, siblings_values);
|
---|
1369 | }
|
---|
1370 | else {
|
---|
1371 |
|
---|
1372 | // straightforward metadata request (nothing fancy)
|
---|
1373 |
|
---|
1374 | text_t classifier_metaname = docinfo.classifier_metadata_type;
|
---|
1375 | int metaname_index
|
---|
1376 | = (classifier_metaname == meta.metaname) ? docinfo.classifier_metadata_offset : 0;
|
---|
1377 | return get_formatted_meta_text(docinfo.OID,docinfo.metadata[meta.metaname], meta, metaname_index);
|
---|
1378 | }
|
---|
1379 |
|
---|
1380 | return "";
|
---|
1381 | }
|
---|
1382 |
|
---|
1383 | static text_t get_or (const text_t& collection, recptproto* collectproto,
|
---|
1384 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
1385 | format_t *orptr, text_tmap &options,
|
---|
1386 | ostream& logout) {
|
---|
1387 |
|
---|
1388 | while (orptr != NULL) {
|
---|
1389 |
|
---|
1390 | if (metadata_spanwrap) {
|
---|
1391 | // need to be a bit more careful about this
|
---|
1392 | // => test for it *without* spanwrap, and if defined, then
|
---|
1393 | // got back and generate it again, this time with spanwrap on
|
---|
1394 |
|
---|
1395 | metadata_spanwrap = false;
|
---|
1396 | text_t test_tmp = format_string (collection,collectproto,docinfo, disp, orptr,
|
---|
1397 | options, logout);
|
---|
1398 | metadata_spanwrap = true;
|
---|
1399 | if (!test_tmp.empty()) {
|
---|
1400 |
|
---|
1401 | return format_string (collection,collectproto,docinfo, disp, orptr,
|
---|
1402 | options, logout);
|
---|
1403 | }
|
---|
1404 | }
|
---|
1405 | else {
|
---|
1406 | text_t tmp = format_string (collection,collectproto,docinfo, disp, orptr,
|
---|
1407 | options, logout);
|
---|
1408 | if (!tmp.empty()) return tmp;
|
---|
1409 | }
|
---|
1410 |
|
---|
1411 | orptr = orptr->nextptr;
|
---|
1412 | }
|
---|
1413 | return "";
|
---|
1414 | }
|
---|
1415 |
|
---|
1416 | static bool char_is_whitespace(const char c)
|
---|
1417 | {
|
---|
1418 | return ((c == ' ') || (c == '\t') || (c == '\n') || (c == '\r'));
|
---|
1419 |
|
---|
1420 | }
|
---|
1421 |
|
---|
1422 | static int scan_over_whitespace(const text_t& outstring, const int start_pos)
|
---|
1423 | {
|
---|
1424 | int pos = start_pos;
|
---|
1425 | while (pos<outstring.size()) {
|
---|
1426 | if (!char_is_whitespace(outstring[pos])) {
|
---|
1427 | break;
|
---|
1428 | }
|
---|
1429 | ++pos;
|
---|
1430 | }
|
---|
1431 |
|
---|
1432 | return pos;
|
---|
1433 | }
|
---|
1434 |
|
---|
1435 | static int rscan_over_whitespace(const text_t& outstring, const int start_pos)
|
---|
1436 | {
|
---|
1437 | int pos = start_pos;
|
---|
1438 | while (pos>=0) {
|
---|
1439 | if (!char_is_whitespace(outstring[pos])) {
|
---|
1440 | break;
|
---|
1441 | }
|
---|
1442 | --pos;
|
---|
1443 | }
|
---|
1444 |
|
---|
1445 | return pos;
|
---|
1446 | }
|
---|
1447 |
|
---|
1448 | static int rscan_for_whitespace(const text_t& outstring, const int start_pos)
|
---|
1449 | {
|
---|
1450 | int pos = start_pos;
|
---|
1451 | while (pos>=0) {
|
---|
1452 | if (char_is_whitespace(outstring[pos])) {
|
---|
1453 | break;
|
---|
1454 | }
|
---|
1455 | --pos;
|
---|
1456 | }
|
---|
1457 |
|
---|
1458 | return pos;
|
---|
1459 | }
|
---|
1460 |
|
---|
1461 |
|
---|
1462 | static int rscan_for(const text_t& outstring, const int start_pos,
|
---|
1463 | const char find_c)
|
---|
1464 | {
|
---|
1465 | int pos = start_pos;
|
---|
1466 | while (pos>=0) {
|
---|
1467 | char c = outstring[pos];
|
---|
1468 | if (outstring[pos] == find_c) {
|
---|
1469 | break;
|
---|
1470 | }
|
---|
1471 | --pos;
|
---|
1472 | }
|
---|
1473 |
|
---|
1474 | return pos;
|
---|
1475 | }
|
---|
1476 |
|
---|
1477 | text_t extract_substr(const text_t& outstring, const int start_pos,
|
---|
1478 | const int end_pos)
|
---|
1479 | {
|
---|
1480 | text_t extracted_str;
|
---|
1481 | extracted_str.clear();
|
---|
1482 |
|
---|
1483 | for (int pos=start_pos; pos<=end_pos; ++pos) {
|
---|
1484 | extracted_str.push_back(outstring[pos]);
|
---|
1485 | }
|
---|
1486 |
|
---|
1487 | return extracted_str;
|
---|
1488 | }
|
---|
1489 |
|
---|
1490 |
|
---|
1491 | static text_t expand_potential_metadata(const text_t& collection,
|
---|
1492 | recptproto* collectproto,
|
---|
1493 | ResultDocInfo_t &docinfo,
|
---|
1494 | displayclass &disp,
|
---|
1495 | const text_t& intext,
|
---|
1496 | text_tmap &options,
|
---|
1497 | ostream& logout)
|
---|
1498 | {
|
---|
1499 | text_t outtext;
|
---|
1500 |
|
---|
1501 | // decide if dealing with metadata or text
|
---|
1502 |
|
---|
1503 | text_t::const_iterator beginbracket = intext.begin();
|
---|
1504 | text_t::const_iterator endbracket = (intext.end() - 1);
|
---|
1505 |
|
---|
1506 | // Decision is based on a metadata element
|
---|
1507 | if ((*beginbracket == '[') && (*endbracket == ']')) {
|
---|
1508 | // Ignore the surrounding square brackets
|
---|
1509 | text_t meta_text = substr (beginbracket+1, endbracket);
|
---|
1510 |
|
---|
1511 | if (meta_text == "Text") {
|
---|
1512 | outtext = format_text(collection, collectproto, docinfo, disp, options, logout);
|
---|
1513 | }
|
---|
1514 | else {
|
---|
1515 |
|
---|
1516 | text_tset metadata;
|
---|
1517 | bool getParents =false;
|
---|
1518 | metadata_t meta;
|
---|
1519 |
|
---|
1520 | parse_meta (meta_text, meta, metadata, getParents);
|
---|
1521 | outtext
|
---|
1522 | = get_meta (collection,collectproto,docinfo,disp,meta,options,logout);
|
---|
1523 | }
|
---|
1524 |
|
---|
1525 | }
|
---|
1526 | else {
|
---|
1527 | outtext = intext;
|
---|
1528 | }
|
---|
1529 |
|
---|
1530 | return outtext;
|
---|
1531 | }
|
---|
1532 |
|
---|
1533 |
|
---|
1534 |
|
---|
1535 |
|
---|
1536 | static bool uses_expression(const text_t& collection, recptproto* collectproto,
|
---|
1537 | ResultDocInfo_t &docinfo,
|
---|
1538 | displayclass &disp,
|
---|
1539 | const text_t& outstring, text_t& lhs_expr,
|
---|
1540 | text_t& op_expr, text_t& rhs_expr,
|
---|
1541 | text_tmap &options,
|
---|
1542 | ostream& logout)
|
---|
1543 | {
|
---|
1544 | // Note: the string may not be of the form: str1 op str2, however
|
---|
1545 | // to deterine this we have to process it on the assumption it is,
|
---|
1546 | // and if at any point an 'erroneous' value is encountered, return
|
---|
1547 | // false and let something else have a go at evaluating it
|
---|
1548 |
|
---|
1549 | // Starting at the end of the string and working backwards ..
|
---|
1550 |
|
---|
1551 | const int outstring_len = outstring.size();
|
---|
1552 |
|
---|
1553 | // skip over white space
|
---|
1554 | int rhs_end = rscan_over_whitespace(outstring,outstring_len-1);
|
---|
1555 |
|
---|
1556 | if (rhs_end<=0) {
|
---|
1557 | // no meaningful text or (rhs_end==0) no room for operator
|
---|
1558 | return false;
|
---|
1559 | }
|
---|
1560 |
|
---|
1561 | // check for ' or " and then scan over token
|
---|
1562 | const char potential_quote = outstring[rhs_end];
|
---|
1563 | int rhs_start=rhs_end;
|
---|
1564 | bool quoted = false;
|
---|
1565 |
|
---|
1566 | if ((potential_quote == '\'') || (potential_quote == '\"')) {
|
---|
1567 | --rhs_end;
|
---|
1568 | rhs_start = rscan_for(outstring,rhs_end-1,potential_quote) +1;
|
---|
1569 | quoted = true;
|
---|
1570 | }
|
---|
1571 | else {
|
---|
1572 | rhs_start = rscan_for_whitespace(outstring,rhs_end-1) +1;
|
---|
1573 | }
|
---|
1574 |
|
---|
1575 | if ((rhs_end-rhs_start)<0) {
|
---|
1576 | // no meaningful rhs expression
|
---|
1577 | return false;
|
---|
1578 | }
|
---|
1579 |
|
---|
1580 | // form rhs_expr
|
---|
1581 | rhs_expr = extract_substr(outstring,rhs_start,rhs_end);
|
---|
1582 |
|
---|
1583 | // skip over white space
|
---|
1584 | const int to_whitespace = (quoted) ? 2 : 1;
|
---|
1585 |
|
---|
1586 | int op_end = rscan_over_whitespace(outstring,rhs_start-to_whitespace);
|
---|
1587 | int op_start = rscan_for_whitespace(outstring,op_end-1)+1;
|
---|
1588 |
|
---|
1589 | if ((op_end<0) && (op_start<0)) {
|
---|
1590 | // no meaningful expression operator
|
---|
1591 | return false;
|
---|
1592 | }
|
---|
1593 |
|
---|
1594 | if (op_end-op_start<0) {
|
---|
1595 | // no meaningful expression operator
|
---|
1596 | return false;
|
---|
1597 | }
|
---|
1598 |
|
---|
1599 | op_expr = extract_substr(outstring,op_start,op_end);
|
---|
1600 |
|
---|
1601 |
|
---|
1602 | // check for operator
|
---|
1603 | if ((op_expr != "eq") && (op_expr != "ne") && (op_expr != "gt") &&
|
---|
1604 | (op_expr != "ge") && (op_expr != "lt") && (op_expr != "le") && (op_expr != "==") && (op_expr != "!=") && (op_expr != ">") && (op_expr != ">=") && (op_expr != "<") && (op_expr != "<=") && (op_expr != "sw") && (op_expr != "ew")) {
|
---|
1605 |
|
---|
1606 | // not a valid operator
|
---|
1607 | return false;
|
---|
1608 | }
|
---|
1609 |
|
---|
1610 | int lhs_end = rscan_over_whitespace(outstring,op_start-1);
|
---|
1611 | if (lhs_end<0) {
|
---|
1612 | // no meaningful lhs expression
|
---|
1613 | return false;
|
---|
1614 | }
|
---|
1615 |
|
---|
1616 | int lhs_start = scan_over_whitespace(outstring,0);
|
---|
1617 |
|
---|
1618 | // form lhs_expr from remainder of string
|
---|
1619 | lhs_expr = extract_substr(outstring,lhs_start,lhs_end);
|
---|
1620 |
|
---|
1621 | // Now we know we have a valid expression, look up any
|
---|
1622 | // metadata terms
|
---|
1623 |
|
---|
1624 | rhs_expr = expand_potential_metadata(collection,collectproto,docinfo,
|
---|
1625 | disp,rhs_expr,options,logout);
|
---|
1626 | lhs_expr = expand_potential_metadata(collection,collectproto,docinfo,
|
---|
1627 | disp,lhs_expr,options,logout);
|
---|
1628 |
|
---|
1629 | return true;
|
---|
1630 | }
|
---|
1631 |
|
---|
1632 | static bool eval_expression_true(const text_t& lhs_expr,const text_t& op_expr,
|
---|
1633 | const text_t& rhs_expr, ostream& logout)
|
---|
1634 | {
|
---|
1635 | if (op_expr == "eq") return (lhs_expr == rhs_expr);
|
---|
1636 | else if (op_expr == "ne" ) return (lhs_expr != rhs_expr);
|
---|
1637 | else if (op_expr == "gt") return (lhs_expr > rhs_expr);
|
---|
1638 | else if (op_expr == "ge") return (lhs_expr >= rhs_expr);
|
---|
1639 | else if (op_expr == "lt") return (lhs_expr < rhs_expr);
|
---|
1640 | else if (op_expr == "le") return (lhs_expr <= rhs_expr);
|
---|
1641 | else if (op_expr == "==") return (lhs_expr.getint() == rhs_expr.getint());
|
---|
1642 | else if (op_expr == "!=") return (lhs_expr.getint() != rhs_expr.getint());
|
---|
1643 | else if (op_expr == ">") return (lhs_expr.getint() > rhs_expr.getint());
|
---|
1644 | else if (op_expr == ">=") return (lhs_expr.getint() >= rhs_expr.getint());
|
---|
1645 | else if (op_expr == "<") return (lhs_expr.getint() < rhs_expr.getint());
|
---|
1646 | else if (op_expr == "<=") return (lhs_expr.getint() <= rhs_expr.getint());
|
---|
1647 | else if (op_expr == "sw") return (starts_with(lhs_expr,rhs_expr));
|
---|
1648 | else if (op_expr == "ew") return (ends_with(lhs_expr,rhs_expr));
|
---|
1649 | else {
|
---|
1650 | logout << "Error: '" << op_expr << "' is not a recognised operator." << endl;
|
---|
1651 | }
|
---|
1652 |
|
---|
1653 | return false;
|
---|
1654 | }
|
---|
1655 |
|
---|
1656 |
|
---|
1657 | static text_t get_if (const text_t& collection, recptproto* collectproto,
|
---|
1658 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
1659 | const decision_t &decision,
|
---|
1660 | format_t *ifptr, format_t *elseptr,
|
---|
1661 | text_tmap &options, ostream& logout)
|
---|
1662 | {
|
---|
1663 | // If the decision component is a metadata element, then evaluate it
|
---|
1664 | // to see whether we output the "then" or the "else" clause
|
---|
1665 | if (decision.command == dMeta) {
|
---|
1666 |
|
---|
1667 | bool store_metadata_spanwrap = metadata_spanwrap;
|
---|
1668 | metadata_spanwrap = 0;
|
---|
1669 |
|
---|
1670 | // temporarily suspend metadata-spanwrap (if on) so can test if metadata item really exits or not
|
---|
1671 | bool metadata_exists
|
---|
1672 | = (get_meta (collection,collectproto,docinfo,disp,decision.meta,options,
|
---|
1673 | logout) != "");
|
---|
1674 |
|
---|
1675 | metadata_spanwrap = store_metadata_spanwrap;
|
---|
1676 |
|
---|
1677 | if (metadata_exists) {
|
---|
1678 | if (ifptr != NULL)
|
---|
1679 | return get_formatted_string (collection,collectproto,docinfo, disp, ifptr,
|
---|
1680 | options, logout);
|
---|
1681 | }
|
---|
1682 | else {
|
---|
1683 | if (elseptr != NULL)
|
---|
1684 | return get_formatted_string (collection,collectproto,docinfo, disp, elseptr,
|
---|
1685 | options, logout);
|
---|
1686 | }
|
---|
1687 | }
|
---|
1688 |
|
---|
1689 | // If the decision component is text, then evaluate it (it is probably a
|
---|
1690 | // macro like _cgiargmode_) to decide what to output.
|
---|
1691 | else if (decision.command == dText) {
|
---|
1692 |
|
---|
1693 | text_t outstring;
|
---|
1694 | disp.expandstring (decision.text, outstring);
|
---|
1695 |
|
---|
1696 | // Check for if expression in form: str1 op str2
|
---|
1697 | // (such as [x] eq "y")
|
---|
1698 | text_t lhs_expr, op_expr, rhs_expr;
|
---|
1699 | if (uses_expression(collection,collectproto,docinfo, disp, outstring,lhs_expr,op_expr,rhs_expr, options,logout)) {
|
---|
1700 | if (eval_expression_true(lhs_expr,op_expr,rhs_expr,logout)) {
|
---|
1701 | if (ifptr != NULL) {
|
---|
1702 | return get_formatted_string (collection, collectproto, docinfo, disp, ifptr,
|
---|
1703 | options, logout);
|
---|
1704 | }
|
---|
1705 | else {
|
---|
1706 | return "";
|
---|
1707 | }
|
---|
1708 | } else {
|
---|
1709 | if (elseptr != NULL) {
|
---|
1710 | return get_formatted_string (collection, collectproto, docinfo, disp, elseptr,
|
---|
1711 | options, logout);
|
---|
1712 | }
|
---|
1713 | else {
|
---|
1714 | return "";
|
---|
1715 | }
|
---|
1716 | }
|
---|
1717 | }
|
---|
1718 |
|
---|
1719 |
|
---|
1720 | // This is a tad tricky. When we expand a string like _cgiargmode_, that is
|
---|
1721 | // a cgi argument macro that has not been set, it evaluates to itself.
|
---|
1722 | // Therefore, were have to say that a piece of text evalautes true if
|
---|
1723 | // it is non-empty and if it is a cgi argument evaulating to itself.
|
---|
1724 |
|
---|
1725 | if ((outstring != "") && !((outstring == decision.text) && (outstring[0] == '_'))) {
|
---|
1726 | if (ifptr != NULL)
|
---|
1727 | return get_formatted_string (collection, collectproto, docinfo, disp, ifptr,
|
---|
1728 | options, logout);
|
---|
1729 | } else {
|
---|
1730 | if (elseptr != NULL)
|
---|
1731 | return get_formatted_string (collection, collectproto, docinfo, disp, elseptr,
|
---|
1732 | options, logout);
|
---|
1733 | }
|
---|
1734 | }
|
---|
1735 |
|
---|
1736 | return "";
|
---|
1737 | }
|
---|
1738 |
|
---|
1739 | bool includes_metadata(const text_t& text)
|
---|
1740 | {
|
---|
1741 | text_t::const_iterator here = text.begin();
|
---|
1742 | text_t::const_iterator end = text.end();
|
---|
1743 | while (here != end) {
|
---|
1744 | if (*here == '[') return true;
|
---|
1745 | ++here;
|
---|
1746 | }
|
---|
1747 |
|
---|
1748 | return false;
|
---|
1749 | }
|
---|
1750 |
|
---|
1751 | static text_t expand_metadata(const text_t &metavalue, const text_t& collection,
|
---|
1752 | recptproto* collectproto,
|
---|
1753 | ResultDocInfo_t &docinfo,
|
---|
1754 | displayclass &disp, text_tmap &options,
|
---|
1755 | ostream &logout) {
|
---|
1756 |
|
---|
1757 | if (includes_metadata(metavalue)) {
|
---|
1758 |
|
---|
1759 | // text has embedded metadata in it => expand it
|
---|
1760 | FilterRequest_t request;
|
---|
1761 | FilterResponse_t response;
|
---|
1762 |
|
---|
1763 | request.getParents = false;
|
---|
1764 |
|
---|
1765 | format_t *expanded_formatlistptr = new format_t();
|
---|
1766 | parse_formatstring (metavalue, expanded_formatlistptr,
|
---|
1767 | request.fields, request.getParents);
|
---|
1768 |
|
---|
1769 | // retrieve metadata
|
---|
1770 | get_info(docinfo.OID, collection, "", request.fields, request.getParents,
|
---|
1771 | collectproto, response, logout);
|
---|
1772 |
|
---|
1773 | if (!response.docInfo.empty()) {
|
---|
1774 |
|
---|
1775 | text_t expanded_metavalue
|
---|
1776 | = get_formatted_string(collection, collectproto,
|
---|
1777 | response.docInfo[0], disp, expanded_formatlistptr,
|
---|
1778 | options, logout);
|
---|
1779 |
|
---|
1780 | return expanded_metavalue;
|
---|
1781 | }
|
---|
1782 | else {
|
---|
1783 | return metavalue;
|
---|
1784 | }
|
---|
1785 | }
|
---|
1786 | else {
|
---|
1787 |
|
---|
1788 | return metavalue;
|
---|
1789 | }
|
---|
1790 | }
|
---|
1791 |
|
---|
1792 | text_t get_collection_meta(const text_t& collection, recptproto* collectproto,
|
---|
1793 | displayclass &disp,
|
---|
1794 | text_t meta_name, ostream& logout) {
|
---|
1795 |
|
---|
1796 | ColInfoResponse_t collectinfo;
|
---|
1797 | comerror_t err;
|
---|
1798 | collectproto->get_collectinfo (collection, collectinfo,err,logout);
|
---|
1799 | text_t meta_value = "";
|
---|
1800 | text_t lang;
|
---|
1801 | disp.expandstring("_cgiargl_",lang);
|
---|
1802 | if (lang.empty()) {
|
---|
1803 | lang = "en";
|
---|
1804 | }
|
---|
1805 |
|
---|
1806 | if (err == noError) {
|
---|
1807 | meta_value = collectinfo.get_collectionmeta(meta_name, lang);
|
---|
1808 | }
|
---|
1809 | return meta_value;
|
---|
1810 |
|
---|
1811 |
|
---|
1812 | }
|
---|
1813 | text_t format_string (const text_t& collection, recptproto* collectproto,
|
---|
1814 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
1815 | format_t *formatlistptr, text_tmap &options,
|
---|
1816 | ostream& logout) {
|
---|
1817 |
|
---|
1818 | if (formatlistptr == NULL) return "";
|
---|
1819 |
|
---|
1820 | switch (formatlistptr->command) {
|
---|
1821 | case comOID:
|
---|
1822 | return docinfo.OID;
|
---|
1823 | case comTopOID:
|
---|
1824 | {
|
---|
1825 | text_t top_id;
|
---|
1826 | get_top(docinfo.OID, top_id);
|
---|
1827 | return top_id;
|
---|
1828 | }
|
---|
1829 | case comRank:
|
---|
1830 | return text_t(docinfo.ranking);
|
---|
1831 | case comText:
|
---|
1832 | return formatlistptr->text;
|
---|
1833 | case comLink:
|
---|
1834 | return options["link"];
|
---|
1835 | case comEndLink:
|
---|
1836 | {
|
---|
1837 | if (options["link"].empty()) return "";
|
---|
1838 | else return "</a>";
|
---|
1839 | }
|
---|
1840 | case comHref:
|
---|
1841 | return get_href(options["link"]);
|
---|
1842 | case comIcon:
|
---|
1843 | return options["icon"];
|
---|
1844 | case comNum:
|
---|
1845 | return docinfo.result_num;
|
---|
1846 | case comRel: //if [RelatedDocuments] appears in format string, collect relation data
|
---|
1847 | return get_related_docs(collection, collectproto, docinfo, logout);
|
---|
1848 |
|
---|
1849 | case comSummary:
|
---|
1850 | return format_summary(collection, collectproto, docinfo, disp, options, logout);
|
---|
1851 | case comAssocLink:
|
---|
1852 | {
|
---|
1853 | text_t link_filename = get_meta(collection, collectproto, docinfo, disp, formatlistptr->meta, options, logout);
|
---|
1854 | if (!link_filename.empty()) {
|
---|
1855 | text_t href= expand_metadata(options["assocfilepath"], collection, collectproto, docinfo, disp, options, logout) + link_filename;
|
---|
1856 | if (formatlistptr->text == "href") {
|
---|
1857 | return href;
|
---|
1858 | }
|
---|
1859 | return "<a href=\""+ href + "\">";
|
---|
1860 | }
|
---|
1861 | return "";
|
---|
1862 | }
|
---|
1863 | case comEndAssocLink:
|
---|
1864 | {
|
---|
1865 | text_t link_filename = get_meta(collection, collectproto, docinfo, disp, formatlistptr->meta, options, logout);
|
---|
1866 | if (!link_filename.empty()) {
|
---|
1867 | return "</a>";
|
---|
1868 | }
|
---|
1869 | return "";
|
---|
1870 | }
|
---|
1871 | case comMeta:
|
---|
1872 | {
|
---|
1873 | const text_t& metavalue = get_meta (collection,collectproto, docinfo, disp,formatlistptr->meta,options,logout);
|
---|
1874 | return expand_metadata(metavalue, collection, collectproto, docinfo, disp, options, logout);
|
---|
1875 | }
|
---|
1876 |
|
---|
1877 | case comDoc:
|
---|
1878 | return format_text(collection, collectproto, docinfo, disp, options, logout);
|
---|
1879 |
|
---|
1880 | case comImage:
|
---|
1881 | return expand_metadata(options["DocImage"], collection, collectproto, docinfo, disp, options, logout);
|
---|
1882 | case comTOC:
|
---|
1883 | return options["DocTOC"];
|
---|
1884 | case comDocumentButtonDetach:
|
---|
1885 | return options["DocumentButtonDetach"];
|
---|
1886 | case comDocumentButtonHighlight:
|
---|
1887 | return options["DocumentButtonHighlight"];
|
---|
1888 | case comDocumentButtonExpandContents:
|
---|
1889 | return options["DocumentButtonExpandContents"];
|
---|
1890 | case comDocumentButtonExpandText:
|
---|
1891 | return options["DocumentButtonExpandText"];
|
---|
1892 | case comHighlight:
|
---|
1893 | if (options["highlight"] == "1") return "<b>";
|
---|
1894 | break;
|
---|
1895 | case comEndHighlight:
|
---|
1896 | if (options["highlight"] == "1") return "</b>";
|
---|
1897 | break;
|
---|
1898 | case comMetadataSpanWrap:
|
---|
1899 | metadata_spanwrap=true; return "";
|
---|
1900 | break;
|
---|
1901 | case comEndMetadataSpanWrap:
|
---|
1902 | metadata_spanwrap=false; return "";
|
---|
1903 | break;
|
---|
1904 | case comIf:
|
---|
1905 | return get_if (collection, collectproto, docinfo, disp,
|
---|
1906 | formatlistptr->decision, formatlistptr->ifptr,
|
---|
1907 | formatlistptr->elseptr, options, logout);
|
---|
1908 | case comOr:
|
---|
1909 | return get_or (collection,collectproto, docinfo, disp, formatlistptr->orptr,
|
---|
1910 | options, logout);
|
---|
1911 | case comDocTermsFreqTotal:
|
---|
1912 | return docinfo.num_terms_matched;
|
---|
1913 | case comCollection:
|
---|
1914 | if (formatlistptr->meta.metaname == g_EmptyText) {
|
---|
1915 | return collection;
|
---|
1916 | }
|
---|
1917 | return get_collection_meta(collection, collectproto, disp, formatlistptr->meta.metaname, logout);
|
---|
1918 |
|
---|
1919 | }
|
---|
1920 | return "";
|
---|
1921 | }
|
---|
1922 |
|
---|
1923 | text_t get_formatted_string (const text_t& collection, recptproto* collectproto,
|
---|
1924 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
1925 | format_t *formatlistptr, text_tmap &options,
|
---|
1926 | ostream& logout) {
|
---|
1927 |
|
---|
1928 | text_t ft;
|
---|
1929 | while (formatlistptr != NULL)
|
---|
1930 | {
|
---|
1931 | ft += format_string (collection, collectproto, docinfo, disp, formatlistptr,
|
---|
1932 | options, logout);
|
---|
1933 | formatlistptr = formatlistptr->nextptr;
|
---|
1934 | }
|
---|
1935 |
|
---|
1936 | return ft;
|
---|
1937 | }
|
---|
1938 |
|
---|
1939 |
|
---|
1940 | // we have only preloaded the text in DocumentAction. But you may want
|
---|
1941 | // to get the text in query, so copy what we have done with
|
---|
1942 | // format_summary and get the text here. Probably is quite expensive?
|
---|
1943 | text_t format_text (const text_t& collection, recptproto* collectproto,
|
---|
1944 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
1945 | text_tmap &options, ostream& logout)
|
---|
1946 | {
|
---|
1947 | text_t text;
|
---|
1948 |
|
---|
1949 | if (!options["text"].empty()) {
|
---|
1950 | text = options["text"];
|
---|
1951 | }
|
---|
1952 | else {
|
---|
1953 | // get document text here
|
---|
1954 | DocumentRequest_t docrequest;
|
---|
1955 | DocumentResponse_t docresponse;
|
---|
1956 | comerror_t err;
|
---|
1957 | docrequest.OID = docinfo.OID;
|
---|
1958 | collectproto->get_document (collection, docrequest, docresponse, err, logout);
|
---|
1959 | text = docresponse.doc;
|
---|
1960 | }
|
---|
1961 |
|
---|
1962 | if (metadata_spanwrap) {
|
---|
1963 | text = spanwrap_metatext(text,docinfo.OID,"Text");
|
---|
1964 | }
|
---|
1965 |
|
---|
1966 | return text;
|
---|
1967 | }
|
---|
1968 |
|
---|
1969 | /* FUNCTION NAME: format_summary
|
---|
1970 | * DESC: this is invoked when a [Summary] special metadata is processed.
|
---|
1971 | * RETURNS: a query-biased summary for the document */
|
---|
1972 |
|
---|
1973 | text_t format_summary (const text_t& collection, recptproto* collectproto,
|
---|
1974 | ResultDocInfo_t &docinfo, displayclass &disp,
|
---|
1975 | text_tmap &options, ostream& logout) {
|
---|
1976 |
|
---|
1977 | // GRB: added code here to ensure that the cstr (and other collections)
|
---|
1978 | // uses the document metadata item Summary, rather than compressing
|
---|
1979 | // the text of the document, processed via the methods in
|
---|
1980 | // summarise.cpp
|
---|
1981 |
|
---|
1982 | text_t summary;
|
---|
1983 |
|
---|
1984 | if (docinfo.metadata.count("Summary") > 0 &&
|
---|
1985 | docinfo.metadata["Summary"].values.size() > 0) {
|
---|
1986 | summary = docinfo.metadata["Summary"].values[0];
|
---|
1987 | }
|
---|
1988 | else {
|
---|
1989 |
|
---|
1990 | text_t textToSummarise, query;
|
---|
1991 |
|
---|
1992 | if(options["text"].empty()) { // get document text
|
---|
1993 | DocumentRequest_t docrequest;
|
---|
1994 | DocumentResponse_t docresponse;
|
---|
1995 | comerror_t err;
|
---|
1996 | docrequest.OID = docinfo.OID;
|
---|
1997 | collectproto->get_document (collection, docrequest, docresponse, err, logout);
|
---|
1998 | textToSummarise = docresponse.doc;
|
---|
1999 | }
|
---|
2000 | else {
|
---|
2001 | // in practice, this would not happen, because text is only
|
---|
2002 | // loaded with the [Text] command
|
---|
2003 | textToSummarise = options["text"];
|
---|
2004 | }
|
---|
2005 |
|
---|
2006 | disp.expandstring("_cgiargq_",query);
|
---|
2007 | summary = summarise(textToSummarise,query,80);
|
---|
2008 | //summary = substr(textToSummarise.begin(),textToSummarise.begin()+80);
|
---|
2009 | }
|
---|
2010 |
|
---|
2011 | summary.replace("'","'");
|
---|
2012 | summary.replace("\n","
");
|
---|
2013 |
|
---|
2014 | if (metadata_spanwrap) {
|
---|
2015 | summary = spanwrap_metatext(summary,docinfo.OID,"Summary");
|
---|
2016 | }
|
---|
2017 |
|
---|
2018 | return summary;
|
---|
2019 | }
|
---|