| 1 | /**********************************************************************
|
|---|
| 2 | *
|
|---|
| 3 | * queryfilter.cpp -- base class for queryfilters
|
|---|
| 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 "queryfilter.h"
|
|---|
| 27 | #include "fileutil.h"
|
|---|
| 28 | #include "gsdltools.h"
|
|---|
| 29 | #include <assert.h>
|
|---|
| 30 |
|
|---|
| 31 |
|
|---|
| 32 | // translate will return true if successful
|
|---|
| 33 | bool queryfilterclass::translate (dbclass *db_ptr, int docnum, text_t &trans_OID) {
|
|---|
| 34 | infodbclass info;
|
|---|
| 35 |
|
|---|
| 36 | trans_OID.clear();
|
|---|
| 37 |
|
|---|
| 38 | // get the info
|
|---|
| 39 | if (db_ptr == NULL) return false;
|
|---|
| 40 | if (!db_ptr->getinfo(docnum, info)) return false;
|
|---|
| 41 |
|
|---|
| 42 | // translate
|
|---|
| 43 | if (info["section"].empty()) return false;
|
|---|
| 44 |
|
|---|
| 45 | trans_OID = info["section"];
|
|---|
| 46 | return true;
|
|---|
| 47 | }
|
|---|
| 48 |
|
|---|
| 49 |
|
|---|
| 50 | // whether document results are needed
|
|---|
| 51 | bool queryfilterclass::need_matching_docs (int filterResultOptions) {
|
|---|
| 52 | return ((filterResultOptions & FROID) || (filterResultOptions & FRranking) ||
|
|---|
| 53 | (filterResultOptions & FRmetadata));
|
|---|
| 54 | }
|
|---|
| 55 |
|
|---|
| 56 | // whether term information is needed
|
|---|
| 57 | bool queryfilterclass::need_term_info (int filterResultOptions) {
|
|---|
| 58 | return ((filterResultOptions & FRtermFreq) || (filterResultOptions & FRmatchTerms));
|
|---|
| 59 | }
|
|---|
| 60 |
|
|---|
| 61 | /////////////////////////////////
|
|---|
| 62 | // functions for queryfilterclass
|
|---|
| 63 | /////////////////////////////////
|
|---|
| 64 |
|
|---|
| 65 | // get the query parameters
|
|---|
| 66 | void queryfilterclass::parse_query_params (const FilterRequest_t &request,
|
|---|
| 67 | vector<queryparamclass> &query_params,
|
|---|
| 68 | int &startresults, int &endresults,
|
|---|
| 69 | text_t &phrasematch, ostream &logout) {
|
|---|
| 70 | outconvertclass text_t2ascii;
|
|---|
| 71 |
|
|---|
| 72 | // set defaults for the return parameters
|
|---|
| 73 | query_params.erase(query_params.begin(), query_params.end());
|
|---|
| 74 | startresults = filterOptions["StartResults"].defaultValue.getint();
|
|---|
| 75 | endresults = filterOptions["EndResults"].defaultValue.getint();
|
|---|
| 76 | phrasematch = filterOptions["PhraseMatch"].defaultValue;
|
|---|
| 77 |
|
|---|
| 78 | // set defaults for query parameters
|
|---|
| 79 | queryparamclass query;
|
|---|
| 80 | query.combinequery = "or"; // first one must be "or"
|
|---|
| 81 | query.collection = collection;
|
|---|
| 82 | query.index = filterOptions["Index"].defaultValue;
|
|---|
| 83 | query.subcollection = filterOptions["Subcollection"].defaultValue;
|
|---|
| 84 | query.language = filterOptions["Language"].defaultValue;
|
|---|
| 85 | query.querystring.clear();
|
|---|
| 86 | query.search_type = (filterOptions["QueryType"].defaultValue == "ranked");
|
|---|
| 87 | query.match_mode = (filterOptions["MatchMode"].defaultValue == "all");
|
|---|
| 88 | query.casefolding = (filterOptions["Casefold"].defaultValue == "true");
|
|---|
| 89 | query.stemming = (filterOptions["Stem"].defaultValue == "true");
|
|---|
| 90 | query.accentfolding = (filterOptions["AccentFold"].defaultValue == "true");
|
|---|
| 91 | query.maxdocs = filterOptions["Maxdocs"].defaultValue.getint();
|
|---|
| 92 | query.level = filterOptions["Level"].defaultValue;
|
|---|
| 93 | query.filterstring = filterOptions["FilterString"].defaultValue; // Lucene specific
|
|---|
| 94 | query.sortfield = filterOptions["SortField"].defaultValue; // Lucene specific
|
|---|
| 95 | query.fuzziness = filterOptions["Fuzziness"].defaultValue; // Lucene specific
|
|---|
| 96 | query.maxnumeric = maxnumeric;
|
|---|
| 97 | OptionValue_tarray::const_iterator options_here = request.filterOptions.begin();
|
|---|
| 98 | OptionValue_tarray::const_iterator options_end = request.filterOptions.end();
|
|---|
| 99 | while (options_here != options_end) {
|
|---|
| 100 | if ((*options_here).name == "CombineQuery") {
|
|---|
| 101 | // add this query
|
|---|
| 102 |
|
|---|
| 103 | // "all", needed when combining queries where the document results are needed
|
|---|
| 104 | if (need_matching_docs (request.filterResultOptions)) query.maxdocs = -1;
|
|---|
| 105 | query_params.push_back (query);
|
|---|
| 106 |
|
|---|
| 107 | // start on next query
|
|---|
| 108 | query.clear();
|
|---|
| 109 | query.combinequery = (*options_here).value;
|
|---|
| 110 |
|
|---|
| 111 | // set defaults for query parameters
|
|---|
| 112 | query.collection = collection;
|
|---|
| 113 | query.index = filterOptions["Index"].defaultValue;
|
|---|
| 114 | query.subcollection = filterOptions["Subcollection"].defaultValue;
|
|---|
| 115 | query.language = filterOptions["Language"].defaultValue;
|
|---|
| 116 | query.querystring.clear();
|
|---|
| 117 | query.search_type = (filterOptions["QueryType"].defaultValue == "ranked");
|
|---|
| 118 | query.match_mode = (filterOptions["MatchMode"].defaultValue == "all");
|
|---|
| 119 | query.casefolding = (filterOptions["Casefold"].defaultValue == "true");
|
|---|
| 120 | query.stemming = (filterOptions["Stem"].defaultValue == "true");
|
|---|
| 121 | query.accentfolding = (filterOptions["AccentFold"].defaultValue == "true");
|
|---|
| 122 | query.level = filterOptions["Level"].defaultValue;
|
|---|
| 123 | query.filterstring = filterOptions["FilterString"].defaultValue; // Lucene specific
|
|---|
| 124 | query.sortfield = filterOptions["SortField"].defaultValue; // Lucene specific
|
|---|
| 125 | query.fuzziness = filterOptions["Fuzziness"].defaultValue; // Lucene specific
|
|---|
| 126 | query.maxnumeric = maxnumeric;
|
|---|
| 127 | // "all", needed when combining queries where the document results are needed
|
|---|
| 128 | if (need_matching_docs (request.filterResultOptions)) query.maxdocs = -1;
|
|---|
| 129 | else query.maxdocs = filterOptions["Maxdocs"].defaultValue.getint();
|
|---|
| 130 |
|
|---|
| 131 | } else if ((*options_here).name == "StartResults") {
|
|---|
| 132 | startresults = (*options_here).value.getint();
|
|---|
| 133 | } else if ((*options_here).name == "EndResults") {
|
|---|
| 134 | endresults = (*options_here).value.getint();
|
|---|
| 135 | } else if ((*options_here).name == "QueryType") {
|
|---|
| 136 | query.search_type = ((*options_here).value == "ranked");
|
|---|
| 137 | } else if ((*options_here).name == "MatchMode") {
|
|---|
| 138 | query.match_mode = ((*options_here).value == "all");
|
|---|
| 139 | if (query.match_mode == 1) query.maxdocs = -1;
|
|---|
| 140 | } else if ((*options_here).name == "Term") {
|
|---|
| 141 | query.querystring = (*options_here).value;
|
|---|
| 142 | } else if ((*options_here).name == "Casefold") {
|
|---|
| 143 | query.casefolding = ((*options_here).value == "true");
|
|---|
| 144 | } else if ((*options_here).name == "Stem") {
|
|---|
| 145 | query.stemming = ((*options_here).value == "true");
|
|---|
| 146 | } else if ((*options_here).name == "AccentFold") {
|
|---|
| 147 | query.accentfolding = ((*options_here).value == "true");
|
|---|
| 148 | } else if ((*options_here).name == "Index"&& (*options_here).value !="") {
|
|---|
| 149 | query.index = (*options_here).value;
|
|---|
| 150 | } else if ((*options_here).name == "Subcollection") {
|
|---|
| 151 | query.subcollection = (*options_here).value;
|
|---|
| 152 | } else if ((*options_here).name == "Language") {
|
|---|
| 153 | query.language = (*options_here).value;
|
|---|
| 154 | } else if ((*options_here).name == "Maxdocs") {
|
|---|
| 155 | query.maxdocs = (*options_here).value.getint();
|
|---|
| 156 | } else if ((*options_here).name == "PhraseMatch") {
|
|---|
| 157 | phrasematch = (*options_here).value;
|
|---|
| 158 | } else if ((*options_here).name == "Level") {
|
|---|
| 159 | query.level = (*options_here).value;
|
|---|
| 160 | } else if ((*options_here).name == "FilterString") {
|
|---|
| 161 | query.filterstring = (*options_here).value;
|
|---|
| 162 | } else if ((*options_here).name == "SortField") {
|
|---|
| 163 | query.sortfield = (*options_here).value;
|
|---|
| 164 | } else if ((*options_here).name == "Fuzziness") {
|
|---|
| 165 | query.fuzziness = (*options_here).value;
|
|---|
| 166 | } else {
|
|---|
| 167 | logout << text_t2ascii
|
|---|
| 168 | << "warning: unknown queryfilter option \""
|
|---|
| 169 | << (*options_here).name
|
|---|
| 170 | << "\" ignored.\n\n";
|
|---|
| 171 | }
|
|---|
| 172 |
|
|---|
| 173 | ++options_here;
|
|---|
| 174 | }
|
|---|
| 175 |
|
|---|
| 176 | // Store the start and end results in the query too, as lucene now needs to
|
|---|
| 177 | // pass them through to the Java
|
|---|
| 178 | query.startresults = startresults;
|
|---|
| 179 | query.endresults = endresults;
|
|---|
| 180 |
|
|---|
| 181 | // add the last query
|
|---|
| 182 | query_params.push_back (query);
|
|---|
| 183 | }
|
|---|
| 184 |
|
|---|
| 185 |
|
|---|
| 186 |
|
|---|
| 187 |
|
|---|
| 188 | queryfilterclass::queryfilterclass () {
|
|---|
| 189 | db_ptr = NULL;
|
|---|
| 190 | textsearchptr = NULL;
|
|---|
| 191 | maxnumeric = 4;
|
|---|
| 192 |
|
|---|
| 193 | FilterOption_t filtopt;
|
|---|
| 194 | filtopt.name = "CombineQuery";
|
|---|
| 195 | filtopt.type = FilterOption_t::enumeratedt;
|
|---|
| 196 | filtopt.repeatable = FilterOption_t::onePerQuery;
|
|---|
| 197 | filtopt.defaultValue = "and";
|
|---|
| 198 | filtopt.validValues.push_back("and");
|
|---|
| 199 | filtopt.validValues.push_back("or");
|
|---|
| 200 | filtopt.validValues.push_back("not");
|
|---|
| 201 | filterOptions["CombineQuery"] = filtopt;
|
|---|
| 202 |
|
|---|
| 203 | // -- onePerQuery StartResults integer
|
|---|
| 204 | filtopt.clear();
|
|---|
| 205 | filtopt.name = "StartResults";
|
|---|
| 206 | filtopt.type = FilterOption_t::integert;
|
|---|
| 207 | filtopt.repeatable = FilterOption_t::onePerQuery;
|
|---|
| 208 | filtopt.defaultValue = "1";
|
|---|
| 209 | filtopt.validValues.push_back("1");
|
|---|
| 210 | filtopt.validValues.push_back("1000");
|
|---|
| 211 | filterOptions["StartResults"] = filtopt;
|
|---|
| 212 |
|
|---|
| 213 | // -- onePerQuery EndResults integer
|
|---|
| 214 | filtopt.clear();
|
|---|
| 215 | filtopt.name = "EndResults";
|
|---|
| 216 | filtopt.type = FilterOption_t::integert;
|
|---|
| 217 | filtopt.repeatable = FilterOption_t::onePerQuery;
|
|---|
| 218 | filtopt.defaultValue = "10";
|
|---|
| 219 | filtopt.validValues.push_back("-1");
|
|---|
| 220 | filtopt.validValues.push_back("1000");
|
|---|
| 221 | filterOptions["EndResults"] = filtopt;
|
|---|
| 222 |
|
|---|
| 223 | // -- onePerQuery QueryType enumerated (boolean, ranked)
|
|---|
| 224 | filtopt.clear();
|
|---|
| 225 | filtopt.name = "QueryType";
|
|---|
| 226 | filtopt.type = FilterOption_t::enumeratedt;
|
|---|
| 227 | filtopt.repeatable = FilterOption_t::onePerQuery;
|
|---|
| 228 | filtopt.defaultValue = "ranked";
|
|---|
| 229 | filtopt.validValues.push_back("boolean");
|
|---|
| 230 | filtopt.validValues.push_back("ranked");
|
|---|
| 231 | filterOptions["QueryType"] = filtopt;
|
|---|
| 232 |
|
|---|
| 233 | // -- onePerQuery MatchMode enumerated (some, all)
|
|---|
| 234 | filtopt.clear();
|
|---|
| 235 | filtopt.name = "MatchMode";
|
|---|
| 236 | filtopt.type = FilterOption_t::enumeratedt;
|
|---|
| 237 | filtopt.repeatable = FilterOption_t::onePerQuery;
|
|---|
| 238 | filtopt.defaultValue = "some";
|
|---|
| 239 | filtopt.validValues.push_back("some");
|
|---|
| 240 | filtopt.validValues.push_back("all");
|
|---|
| 241 | filterOptions["MatchMode"] = filtopt;
|
|---|
| 242 |
|
|---|
| 243 | // -- onePerTerm Term string ???
|
|---|
| 244 | filtopt.clear();
|
|---|
| 245 | filtopt.name = "Term";
|
|---|
| 246 | filtopt.type = FilterOption_t::stringt;
|
|---|
| 247 | filtopt.repeatable = FilterOption_t::onePerTerm;
|
|---|
| 248 | filtopt.defaultValue = "";
|
|---|
| 249 | filterOptions["Term"] = filtopt;
|
|---|
| 250 |
|
|---|
| 251 | // -- onePerTerm Casefold boolean
|
|---|
| 252 | filtopt.clear();
|
|---|
| 253 | filtopt.name = "Casefold";
|
|---|
| 254 | filtopt.type = FilterOption_t::booleant;
|
|---|
| 255 | filtopt.repeatable = FilterOption_t::onePerTerm;
|
|---|
| 256 | filtopt.defaultValue = "true";
|
|---|
| 257 | filtopt.validValues.push_back("false");
|
|---|
| 258 | filtopt.validValues.push_back("true");
|
|---|
| 259 | filterOptions["Casefold"] = filtopt;
|
|---|
| 260 |
|
|---|
| 261 | // -- onePerTerm Stem boolean
|
|---|
| 262 | filtopt.clear();
|
|---|
| 263 | filtopt.name = "Stem";
|
|---|
| 264 | filtopt.type = FilterOption_t::booleant;
|
|---|
| 265 | filtopt.repeatable = FilterOption_t::onePerTerm;
|
|---|
| 266 | filtopt.defaultValue = "false";
|
|---|
| 267 | filtopt.validValues.push_back("false");
|
|---|
| 268 | filtopt.validValues.push_back("true");
|
|---|
| 269 | filterOptions["Stem"] = filtopt;
|
|---|
| 270 |
|
|---|
| 271 | // -- onePerTerm AccentFold boolean
|
|---|
| 272 | filtopt.clear();
|
|---|
| 273 | filtopt.name = "AccentFold";
|
|---|
| 274 | filtopt.type = FilterOption_t::booleant;
|
|---|
| 275 | filtopt.repeatable = FilterOption_t::onePerTerm;
|
|---|
| 276 | filtopt.defaultValue = "false";
|
|---|
| 277 | filtopt.validValues.push_back("false");
|
|---|
| 278 | filtopt.validValues.push_back("true");
|
|---|
| 279 | filterOptions["AccentFold"] = filtopt;
|
|---|
| 280 |
|
|---|
| 281 | // -- onePerTerm Index enumerated
|
|---|
| 282 | filtopt.clear();
|
|---|
| 283 | filtopt.name = "Index";
|
|---|
| 284 | filtopt.type = FilterOption_t::enumeratedt;
|
|---|
| 285 | filtopt.repeatable = FilterOption_t::onePerTerm;
|
|---|
| 286 | filtopt.defaultValue = "";
|
|---|
| 287 | filterOptions["Index"] = filtopt;
|
|---|
| 288 |
|
|---|
| 289 | // -- onePerTerm Subcollection enumerated
|
|---|
| 290 | filtopt.clear();
|
|---|
| 291 | filtopt.name = "Subcollection";
|
|---|
| 292 | filtopt.type = FilterOption_t::enumeratedt;
|
|---|
| 293 | filtopt.repeatable = FilterOption_t::onePerTerm;
|
|---|
| 294 | filtopt.defaultValue = "";
|
|---|
| 295 | filterOptions["Subcollection"] = filtopt;
|
|---|
| 296 |
|
|---|
| 297 | // -- onePerTerm Language enumerated
|
|---|
| 298 | filtopt.clear();
|
|---|
| 299 | filtopt.name = "Language";
|
|---|
| 300 | filtopt.type = FilterOption_t::enumeratedt;
|
|---|
| 301 | filtopt.repeatable = FilterOption_t::onePerTerm;
|
|---|
| 302 | filtopt.defaultValue = "";
|
|---|
| 303 | filterOptions["Language"] = filtopt;
|
|---|
| 304 |
|
|---|
| 305 | // -- onePerQuery Maxdocs integer
|
|---|
| 306 | filtopt.clear();
|
|---|
| 307 | filtopt.name = "Maxdocs";
|
|---|
| 308 | filtopt.type = FilterOption_t::integert;
|
|---|
| 309 | filtopt.repeatable = FilterOption_t::onePerQuery;
|
|---|
| 310 | filtopt.defaultValue = "200";
|
|---|
| 311 | filtopt.validValues.push_back("-1");
|
|---|
| 312 | filtopt.validValues.push_back("1000");
|
|---|
| 313 | filterOptions["Maxdocs"] = filtopt;
|
|---|
| 314 |
|
|---|
| 315 | // -- onePerQuery PhraseMatch enumerated
|
|---|
| 316 | filtopt.clear();
|
|---|
| 317 | filtopt.name = "PhraseMatch";
|
|---|
| 318 | filtopt.type = FilterOption_t::enumeratedt;
|
|---|
| 319 | filtopt.repeatable = FilterOption_t::onePerQuery;
|
|---|
| 320 | filtopt.defaultValue = "some_phrases";
|
|---|
| 321 | filtopt.validValues.push_back ("all_phrases");
|
|---|
| 322 | filtopt.validValues.push_back ("some_phrases");
|
|---|
| 323 | filtopt.validValues.push_back ("all_docs");
|
|---|
| 324 | filterOptions["PhraseMatch"] = filtopt;
|
|---|
| 325 | }
|
|---|
| 326 |
|
|---|
| 327 | queryfilterclass::~queryfilterclass () {
|
|---|
| 328 | // don't delete db_ptr or mgsearchptr here, they'll
|
|---|
| 329 | // be cleaned up by mggdbmsource
|
|---|
| 330 | }
|
|---|
| 331 |
|
|---|
| 332 | void queryfilterclass::configure (const text_t &key, const text_tarray &cfgline) {
|
|---|
| 333 | filterclass::configure (key, cfgline);
|
|---|
| 334 |
|
|---|
| 335 | if (key == "indexmap") {
|
|---|
| 336 | indexmap.importmap (cfgline);
|
|---|
| 337 |
|
|---|
| 338 | // update the list of indexes in the filter information
|
|---|
| 339 | text_tarray options;
|
|---|
| 340 | indexmap.gettoarray (options);
|
|---|
| 341 | filterOptions["Index"].validValues = options;
|
|---|
| 342 |
|
|---|
| 343 | } else if (key == "defaultindex") {
|
|---|
| 344 | indexmap.from2to (cfgline[0], filterOptions["Index"].defaultValue);
|
|---|
| 345 |
|
|---|
| 346 | } else if (key == "subcollectionmap") {
|
|---|
| 347 | subcollectionmap.importmap (cfgline);
|
|---|
| 348 |
|
|---|
| 349 | // update the list of subcollections in the filter information
|
|---|
| 350 | text_tarray options;
|
|---|
| 351 | subcollectionmap.gettoarray (options);
|
|---|
| 352 | filterOptions["Subcollection"].validValues = options;
|
|---|
| 353 |
|
|---|
| 354 | } else if (key == "defaultsubcollection") {
|
|---|
| 355 | subcollectionmap.from2to (cfgline[0], filterOptions["Subcollection"].defaultValue);
|
|---|
| 356 |
|
|---|
| 357 | } else if (key == "languagemap") {
|
|---|
| 358 | languagemap.importmap (cfgline);
|
|---|
| 359 |
|
|---|
| 360 | // update the list of languages in the filter information
|
|---|
| 361 | text_tarray options;
|
|---|
| 362 | languagemap.gettoarray (options);
|
|---|
| 363 | filterOptions["Language"].validValues = options;
|
|---|
| 364 |
|
|---|
| 365 | } else if (key == "defaultlanguage") {
|
|---|
| 366 | languagemap.from2to (cfgline[0], filterOptions["Language"].defaultValue);
|
|---|
| 367 | } else if (key == "indexstem") {
|
|---|
| 368 | indexstem = cfgline[0];
|
|---|
| 369 | } else if (key == "maxnumeric") {
|
|---|
| 370 | maxnumeric = cfgline[0].getint();
|
|---|
| 371 | }
|
|---|
| 372 |
|
|---|
| 373 | }
|
|---|
| 374 |
|
|---|
| 375 | bool queryfilterclass::init (ostream &logout) {
|
|---|
| 376 | outconvertclass text_t2ascii;
|
|---|
| 377 |
|
|---|
| 378 | if (!filterclass::init(logout)) return false;
|
|---|
| 379 |
|
|---|
| 380 | if (filterOptions["Index"].defaultValue.empty()) {
|
|---|
| 381 | // use first index in map as default if no default is set explicitly
|
|---|
| 382 | text_tarray fromarray;
|
|---|
| 383 | indexmap.getfromarray(fromarray);
|
|---|
| 384 | if (fromarray.size()) {
|
|---|
| 385 | filterOptions["Index"].defaultValue = fromarray[0];
|
|---|
| 386 | }
|
|---|
| 387 | }
|
|---|
| 388 |
|
|---|
| 389 | if (filterOptions["Subcollection"].defaultValue.empty()) {
|
|---|
| 390 | // use first subcollection in map as default if no default is set explicitly
|
|---|
| 391 | text_tarray fromarray;
|
|---|
| 392 | subcollectionmap.getfromarray(fromarray);
|
|---|
| 393 | if (fromarray.size()) {
|
|---|
| 394 | filterOptions["Subcollection"].defaultValue = fromarray[0];
|
|---|
| 395 | }
|
|---|
| 396 | }
|
|---|
| 397 |
|
|---|
| 398 | if (filterOptions["Language"].defaultValue.empty()) {
|
|---|
| 399 | // use first language in map as default if no default is set explicitly
|
|---|
| 400 | text_tarray fromarray;
|
|---|
| 401 | languagemap.getfromarray(fromarray);
|
|---|
| 402 | if (fromarray.size()) {
|
|---|
| 403 | filterOptions["Language"].defaultValue = fromarray[0];
|
|---|
| 404 | }
|
|---|
| 405 | }
|
|---|
| 406 |
|
|---|
| 407 | // get the filename for the database and make sure it exists
|
|---|
| 408 | if (indexstem.empty()) {
|
|---|
| 409 | indexstem = collection;
|
|---|
| 410 | }
|
|---|
| 411 | db_filename = filename_cat(gdbmhome, "collect", collection, "index", "text", indexstem);
|
|---|
| 412 |
|
|---|
| 413 | if (littleEndian()) db_filename += ".ldb";
|
|---|
| 414 | else db_filename += ".bdb";
|
|---|
| 415 |
|
|---|
| 416 | if (!file_exists(db_filename)) {
|
|---|
| 417 | logout << text_t2ascii
|
|---|
| 418 | << "warning: database \"" << db_filename << "\" does not exist\n\n";
|
|---|
| 419 | //return false;
|
|---|
| 420 | }
|
|---|
| 421 |
|
|---|
| 422 | return true;
|
|---|
| 423 | }
|
|---|
| 424 |
|
|---|
