src/BiblioInfo.cpp

   1 /**
   2  * \file BiblioInfo.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Angus Leeming
   7  * \author Herbert Voß
   8  * \author Richard Heck
   9  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 #include <config.h>
  14
  15 #include "BiblioInfo.h"
  16 #include "Buffer.h"
  17 #include "BufferParams.h"
  18 #include "buffer_funcs.h"
  19 #include "gettext.h"
  20 #include "InsetIterator.h"
  21 #include "Paragraph.h"
  22
  23 #include "insets/Inset.h"
  24 #include "insets/InsetBibitem.h"
  25 #include "insets/InsetBibtex.h"
  26 #include "insets/InsetInclude.h"
  27
  28 #include "support/lstrings.h"
  29
  30 #include "boost/regex.hpp"
  31
  32 using std::string;
  33 using std::vector;
  34 using std::pair;
  35 using std::endl;
  36 using std::set;
  37
  38 namespace lyx {
  39 using support::bformat;
  40 using support::compare_no_case;
  41 using support::getVectorFromString;
  42 using support::ltrim;
  43 using support::rtrim;
  44
  45 ////////////////////////////////////////
  46 //
  47 // BibTeXInfo
  48 //
  49 ////////////////////////////////////////
  50
  51 BibTeXInfo::BibTeXInfo() : isBibTeX(true)
  52 {}
  53
  54
  55 bool BibTeXInfo::hasField(docstring const & field) const
  56 {
  57         return count(field) == 1;
  58 }
  59
  60
  61 docstring const & BibTeXInfo::getValueForField(docstring const & field) const
  62 {
  63         BibTeXInfo::const_iterator it = find(field);
  64         if (it != end())
  65                 return it->second;
  66         static docstring const empty_value = docstring();
  67         return empty_value;
  68 }
  69
  70
  71 docstring const & BibTeXInfo::getValueForField(string const & field) const
  72 {
  73         return getValueForField(from_ascii(field));
  74 }
  75
  76
  77 namespace {
  78         docstring const familyName(docstring const & name)
  79         {
  80                 if (name.empty())
  81                         return docstring();
  82
  83                 // Very simple parser
  84                 docstring fname = name;
  85
  86                 // possible authorname combinations are:
  87                 // "Surname, FirstName"
  88                 // "Surname, F."
  89                 // "FirstName Surname"
  90                 // "F. Surname"
  91                 docstring::size_type idx = fname.find(',');
  92                 if (idx != docstring::npos)
  93                         return ltrim(fname.substr(0, idx));
  94                 idx = fname.rfind('.');
  95                 if (idx != docstring::npos && idx + 1 < fname.size())
  96                         fname = ltrim(fname.substr(idx + 1));
  97                 // test if we have a LaTeX Space in front
  98                 if (fname[0] == '\\')
  99                         return fname.substr(2);
 100                 return rtrim(fname);
 101         }
 102 } // namespace anon
 103
 104
 105
 106 docstring const BibTeXInfo::getAbbreviatedAuthor() const
 107 {
 108         if (!isBibTeX)
 109                 return docstring();
 110
 111         docstring author = getValueForField("author");
 112
 113         if (author.empty()) {
 114                 author = getValueForField("editor");
 115                 if (author.empty())
 116                         return bibKey;
 117         }
 118
 119         //OK, we've got some names. Let's format them.
 120         //Try to split the author list on " and "
 121         vector<docstring> const authors =
 122                 getVectorFromString(author, from_ascii(" and "));
 123
 124         if (authors.size() == 2)
 125                 return bformat(_("%1$s and %2$s"),
 126                         familyName(authors[0]), familyName(authors[1]));
 127         else if (authors.size() > 2)
 128                 return bformat(_("%1$s et al."), familyName(authors[0]));
 129         else
 130                 return familyName(authors[0]);
 131 }
 132
 133 docstring const BibTeXInfo::getYear() const
 134 {
 135         if (!isBibTeX)
 136                 return docstring();
 137
 138         docstring year = getValueForField("year");
 139         if (year.empty())
 140                 year = _("No year");
 141         return year;
 142 }
 143
 144
 145 docstring const BibTeXInfo::getInfo() const
 146 {
 147         if (!isBibTeX) {
 148                 BibTeXInfo::const_iterator it = find(from_ascii("ref"));
 149                 return it->second;
 150         }
 151
 152         //FIXME
 153         //This could be made alot better using the entryType
 154         //field to customize the output based upon entry type.
 155
 156         //Search for all possible "required" fields
 157         docstring author = getValueForField("author");
 158         if (author.empty())
 159                 author = getValueForField("editor");
 160
 161         docstring year      = getValueForField("year");
 162         docstring title     = getValueForField("title");
 163         docstring docLoc    = getValueForField("pages");
 164         if (docLoc.empty()) {
 165                 docLoc = getValueForField("chapter");
 166                 if (!docLoc.empty())
 167                         docLoc = from_ascii("Ch. ") + docLoc;
 168         }       else
 169                 docLoc = from_ascii("pp. ") + docLoc;
 170                 docstring media = getValueForField("journal");
 171                 if (media.empty()) {
 172                         media = getValueForField("publisher");
 173                         if (media.empty()) {
 174                                 media = getValueForField("school");
 175                                 if (media.empty())
 176                                         media = getValueForField("institution");
 177                         }
 178                 }
 179                 docstring volume = getValueForField("volume");
 180
 181                 odocstringstream result;
 182                 if (!author.empty())
 183                         result << author << ", ";
 184                 if (!title.empty())
 185                         result << title;
 186                 if (!media.empty())
 187                         result << ", " << media;
 188                 if (!year.empty())
 189                         result << ", " << year;
 190                 if (!docLoc.empty())
 191                         result << ", " << docLoc;
 192
 193                 docstring const result_str = rtrim(result.str());
 194                 if (!result_str.empty())
 195                         return result_str;
 196
 197         // This should never happen (or at least be very unusual!)
 198                 return docstring();
 199 }
 200
 201
 202 ////////////////////////////////////////
 203 //
 204 // BiblioInfo
 205 //
 206 ////////////////////////////////////////
 207
 208 namespace {
 209 // A functor for use with std::sort, leading to case insensitive sorting
 210         class compareNoCase: public std::binary_function<docstring, docstring, bool>
 211         {
 212                 public:
 213                         bool operator()(docstring const & s1, docstring const & s2) const {
 214                                 return compare_no_case(s1, s2) < 0;
 215                         }
 216         };
 217 } // namespace anon
 218
 219
 220 vector<docstring> const BiblioInfo::getKeys() const
 221 {
 222         vector<docstring> bibkeys;
 223         BiblioInfo::const_iterator it  = begin();
 224         for (; it != end(); ++it)
 225                 bibkeys.push_back(it->first);
 226         std::sort(bibkeys.begin(), bibkeys.end(), compareNoCase());
 227         return bibkeys;
 228 }
 229
 230
 231 vector<docstring> const BiblioInfo::getFields() const
 232 {
 233         vector<docstring> bibfields;
 234         set<docstring>::const_iterator it = fieldNames.begin();
 235         set<docstring>::const_iterator end = fieldNames.end();
 236         for (; it != end; ++it)
 237                 bibfields.push_back(*it);
 238         std::sort(bibfields.begin(), bibfields.end());
 239         return bibfields;
 240 }
 241
 242
 243 vector<docstring> const BiblioInfo::getEntries() const
 244 {
 245         vector<docstring> bibentries;
 246         set<docstring>::const_iterator it = entryTypes.begin();
 247         set<docstring>::const_iterator end = entryTypes.end();
 248         for (; it != end; ++it)
 249                 bibentries.push_back(*it);
 250         std::sort(bibentries.begin(), bibentries.end());
 251         return bibentries;
 252 }
 253
 254
 255 docstring const BiblioInfo::getAbbreviatedAuthor(docstring const & key) const
 256 {
 257         BiblioInfo::const_iterator it = find(key);
 258         if (it == end())
 259                 return docstring();
 260         BibTeXInfo const & data = it->second;
 261         return data.getAbbreviatedAuthor();
 262 }
 263
 264
 265 docstring const BiblioInfo::getYear(docstring const & key) const
 266 {
 267         BiblioInfo::const_iterator it = find(key);
 268         if (it == end())
 269                 return docstring();
 270         BibTeXInfo const & data = it->second;
 271         return data.getYear();
 272 }
 273
 274
 275 docstring const BiblioInfo::getInfo(docstring const & key) const
 276 {
 277         BiblioInfo::const_iterator it = find(key);
 278         if (it == end())
 279                 return docstring();
 280         BibTeXInfo const & data = it->second;
 281         return data.getInfo();
 282 }
 283
 284
 285 vector<docstring> const BiblioInfo::getCiteStrings(
 286         docstring const & key, Buffer const & buf) const
 287 {
 288         biblio::CiteEngine const engine = buf.params().getEngine();
 289         if (engine == biblio::ENGINE_NATBIB_NUMERICAL)
 290                 return getNumericalStrings(key, buf);
 291         else
 292                 return getAuthorYearStrings(key, buf);
 293 }
 294
 295
 296 vector<docstring> const BiblioInfo::getNumericalStrings(
 297         docstring const & key, Buffer const & buf) const
 298 {
 299         if (empty())
 300                 return vector<docstring>();
 301
 302         docstring const author = getAbbreviatedAuthor(key);
 303         docstring const year   = getYear(key);
 304         if (author.empty() || year.empty())
 305                 return vector<docstring>();
 306
 307         vector<biblio::CiteStyle> const & styles =
 308                 biblio::getCiteStyles(buf.params().getEngine());
 309
 310         vector<docstring> vec(styles.size());
 311         for (vector<docstring>::size_type i = 0; i != vec.size(); ++i) {
 312                 docstring str;
 313
 314                 switch (styles[i]) {
 315                         case biblio::CITE:
 316                         case biblio::CITEP:
 317                                 str = from_ascii("[#ID]");
 318                                 break;
 319
 320                         case biblio::CITET:
 321                                 str = author + " [#ID]";
 322                                 break;
 323
 324                         case biblio::CITEALT:
 325                                 str = author + " #ID";
 326                                 break;
 327
 328                         case biblio::CITEALP:
 329                                 str = from_ascii("#ID");
 330                                 break;
 331
 332                         case biblio::CITEAUTHOR:
 333                                 str = author;
 334                                 break;
 335
 336                         case biblio::CITEYEAR:
 337                                 str = year;
 338                                 break;
 339
 340                         case biblio::CITEYEARPAR:
 341                                 str = '(' + year + ')';
 342                                 break;
 343                 }
 344
 345                 vec[i] = str;
 346         }
 347
 348         return vec;
 349 }
 350
 351
 352 vector<docstring> const BiblioInfo::getAuthorYearStrings(
 353         docstring const & key, Buffer const & buf) const
 354 {
 355         if (empty())
 356                 return vector<docstring>();
 357
 358         docstring const author = getAbbreviatedAuthor(key);
 359         docstring const year   = getYear(key);
 360         if (author.empty() || year.empty())
 361                 return vector<docstring>();
 362
 363         vector<biblio::CiteStyle> const & styles =
 364                 getCiteStyles(buf.params().getEngine());
 365
 366         vector<docstring> vec(styles.size());
 367         for (vector<docstring>::size_type i = 0; i != vec.size(); ++i) {
 368                 docstring str;
 369
 370                 switch (styles[i]) {
 371                         case biblio::CITE:
 372                 // jurabib only: Author/Annotator
 373                 // (i.e. the "before" field, 2nd opt arg)
 374                                 str = author + "/<" + _("before") + '>';
 375                                 break;
 376
 377                         case biblio::CITET:
 378                                 str = author + " (" + year + ')';
 379                                 break;
 380
 381                         case biblio::CITEP:
 382                                 str = '(' + author + ", " + year + ')';
 383                                 break;
 384
 385                         case biblio::CITEALT:
 386                                 str = author + ' ' + year ;
 387                                 break;
 388
 389                         case biblio::CITEALP:
 390                                 str = author + ", " + year ;
 391                                 break;
 392
 393                         case biblio::CITEAUTHOR:
 394                                 str = author;
 395                                 break;
 396
 397                         case biblio::CITEYEAR:
 398                                 str = year;
 399                                 break;
 400
 401                         case biblio::CITEYEARPAR:
 402                                 str = '(' + year + ')';
 403                                 break;
 404                 }
 405                 vec[i] = str;
 406         }
 407         return vec;
 408 }
 409
 410
 411 void BiblioInfo::fillWithBibKeys(Buffer const * const buf)
 412 {
 413         /// if this is a child document and the parent is already loaded
 414         /// use the parent's list instead  [ale990412]
 415         Buffer const * const tmp = buf->masterBuffer();
 416         BOOST_ASSERT(tmp);
 417         if (tmp != buf) {
 418                 this->fillWithBibKeys(tmp);
 419                 return;
 420         }
 421
 422         // Pre-load all child documents.
 423         buf->loadChildDocuments();
 424
 425         for (InsetIterator it = inset_iterator_begin(buf->inset()); it; ++it)
 426                 it->fillWithBibKeys(*buf, *this, it);
 427 }
 428
 429
 430 namespace biblio {
 431
 432 ////////////////////////////////////////
 433 //
 434 // CitationStyle
 435 //
 436 ////////////////////////////////////////
 437
 438 namespace {
 439
 440
 441 char const * const citeCommands[] = {
 442         "cite", "citet", "citep", "citealt", "citealp", "citeauthor",
 443         "citeyear", "citeyearpar" };
 444
 445 unsigned int const nCiteCommands =
 446                 sizeof(citeCommands) / sizeof(char *);
 447
 448 CiteStyle const citeStyles[] = {
 449         CITE, CITET, CITEP, CITEALT, CITEALP,
 450 CITEAUTHOR, CITEYEAR, CITEYEARPAR };
 451
 452 unsigned int const nCiteStyles =
 453                 sizeof(citeStyles) / sizeof(CiteStyle);
 454
 455 CiteStyle const citeStylesFull[] = {
 456         CITET, CITEP, CITEALT, CITEALP, CITEAUTHOR };
 457
 458 unsigned int const nCiteStylesFull =
 459                 sizeof(citeStylesFull) / sizeof(CiteStyle);
 460
 461 CiteStyle const citeStylesUCase[] = {
 462         CITET, CITEP, CITEALT, CITEALP, CITEAUTHOR };
 463
 464 unsigned int const nCiteStylesUCase =
 465         sizeof(citeStylesUCase) / sizeof(CiteStyle);
 466
 467 } // namespace anon
 468
 469
 470 CitationStyle::CitationStyle(string const & command)
 471         : style(CITE), full(false), forceUCase(false)
 472 {
 473         if (command.empty())
 474                 return;
 475
 476         string cmd = command;
 477         if (cmd[0] == 'C') {
 478                 forceUCase = true;
 479                 cmd[0] = 'c';
 480         }
 481
 482         string::size_type const n = cmd.size() - 1;
 483         if (cmd != "cite" && cmd[n] == '*') {
 484                 full = true;
 485                 cmd = cmd.substr(0,n);
 486         }
 487
 488         char const * const * const last = citeCommands + nCiteCommands;
 489         char const * const * const ptr = std::find(citeCommands, last, cmd);
 490
 491         if (ptr != last) {
 492                 size_t idx = ptr - citeCommands;
 493                 style = citeStyles[idx];
 494         }
 495 }
 496
 497
 498 string const CitationStyle::asLatexStr() const
 499 {
 500         string cite = citeCommands[style];
 501         if (full) {
 502                 CiteStyle const * last = citeStylesFull + nCiteStylesFull;
 503                 if (std::find(citeStylesFull, last, style) != last)
 504                         cite += '*';
 505         }
 506
 507         if (forceUCase) {
 508                 CiteStyle const * last = citeStylesUCase + nCiteStylesUCase;
 509                 if (std::find(citeStylesUCase, last, style) != last)
 510                         cite[0] = 'C';
 511         }
 512
 513         return cite;
 514 }
 515
 516
 517 vector<CiteStyle> const getCiteStyles(CiteEngine const engine)
 518 {
 519         unsigned int nStyles = 0;
 520         unsigned int start = 0;
 521
 522         switch (engine) {
 523                 case ENGINE_BASIC:
 524                         nStyles = 1;
 525                         start = 0;
 526                         break;
 527                 case ENGINE_NATBIB_AUTHORYEAR:
 528                 case ENGINE_NATBIB_NUMERICAL:
 529                         nStyles = nCiteStyles - 1;
 530                         start = 1;
 531                         break;
 532                 case ENGINE_JURABIB:
 533                         nStyles = nCiteStyles;
 534                         start = 0;
 535                         break;
 536         }
 537
 538         typedef vector<CiteStyle> cite_vec;
 539
 540         cite_vec styles(nStyles);
 541         cite_vec::size_type i = 0;
 542         int j = start;
 543         for (; i != styles.size(); ++i, ++j)
 544                 styles[i] = citeStyles[j];
 545
 546         return styles;
 547 }
 548
 549 } // namespace biblio
 550 } // namespace lyx
 551