3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
6 * \author Angus Leeming
11 * Full author contact details are available in file CREDITS.
16 #include "BiblioInfo.h"
18 #include "BufferParams.h"
19 #include "buffer_funcs.h"
21 #include "InsetIterator.h"
23 #include "output_xhtml.h"
24 #include "Paragraph.h"
25 #include "TextClass.h"
26 #include "TocBackend.h"
28 #include "support/convert.h"
29 #include "support/debug.h"
30 #include "support/docstream.h"
31 #include "support/gettext.h"
32 #include "support/lassert.h"
33 #include "support/lstrings.h"
34 #include "support/regex.h"
35 #include "support/textutils.h"
40 using namespace lyx::support;
47 // gets the "family name" from an author-type string
48 docstring familyName(docstring const & name)
53 // first we look for a comma, and take the last name to be everything
54 // preceding the right-most one, so that we also get the "jr" part.
55 docstring::size_type idx = name.rfind(',');
56 if (idx != docstring::npos)
57 return ltrim(name.substr(0, idx));
59 // OK, so now we want to look for the last name. We're going to
60 // include the "von" part. This isn't perfect.
61 // Split on spaces, to get various tokens.
62 vector<docstring> pieces = getVectorFromString(name, from_ascii(" "));
63 // If we only get two, assume the last one is the last name
64 if (pieces.size() <= 2)
67 // Now we look for the first token that begins with a lower case letter.
68 vector<docstring>::const_iterator it = pieces.begin();
69 vector<docstring>::const_iterator en = pieces.end();
70 for (; it != en; ++it) {
73 char_type const c = (*it)[0];
78 if (it == en) // we never found a "von"
81 // reconstruct what we need to return
84 for (; it != en; ++it) {
95 // converts a string containing LaTeX commands into unicode
97 docstring convertLaTeXCommands(docstring const & str)
102 bool scanning_cmd = false;
103 bool scanning_math = false;
104 bool escaped = false; // used to catch \$, etc.
105 while (!val.empty()) {
106 char_type const ch = val[0];
108 // if we're scanning math, we output everything until we
109 // find an unescaped $, at which point we break out.
116 scanning_math = false;
122 // if we're scanning a command name, then we just
123 // discard characters until we hit something that
126 if (isAlphaASCII(ch)) {
131 // so we're done with this command.
132 // now we fall through and check this character.
133 scanning_cmd = false;
136 // was the last character a \? If so, then this is something like:
137 // \\ or \$, so we'll just output it. That's probably not always right...
139 // exception: output \, as THIN SPACE
141 ret.push_back(0x2009);
152 scanning_math = true;
156 // we just ignore braces
157 if (ch == '{' || ch == '}') {
162 // we're going to check things that look like commands, so if
163 // this doesn't, just output it.
170 // ok, could be a command of some sort
171 // let's see if it corresponds to some unicode
172 // unicodesymbols has things in the form: \"{u},
173 // whereas we may see things like: \"u. So we'll
174 // look for that and change it, if necessary.
175 // FIXME: This is a sort of mini-tex2lyx.
176 // Use the real tex2lyx instead!
177 static lyx::regex const reg("^\\\\\\W\\w");
178 if (lyx::regex_search(to_utf8(val), reg)) {
179 val.insert(3, from_ascii("}"));
180 val.insert(2, from_ascii("{"));
184 docstring const cnvtd = Encodings::fromLaTeXCommand(val,
185 Encodings::TEXT_CMD, termination, rem);
186 if (!cnvtd.empty()) {
187 // it did, so we'll take that bit and proceed with what's left
192 // it's a command of some sort
201 // Escape '<' and '>' and remove richtext markers (e.g. {!this is richtext!}) from a string.
202 docstring processRichtext(docstring const & str, bool richtext)
207 bool scanning_rich = false;
208 while (!val.empty()) {
209 char_type const ch = val[0];
210 if (ch == '{' && val.size() > 1 && val[1] == '!') {
211 // beginning of rich text
212 scanning_rich = true;
216 if (scanning_rich && ch == '!' && val.size() > 1 && val[1] == '}') {
218 scanning_rich = false;
226 // we need to escape '<' and '>'
234 } else if (!scanning_rich /* && !richtext */)
236 // else the character is discarded, which will happen only if
237 // richtext == false and we are scanning rich text
246 //////////////////////////////////////////////////////////////////////
250 //////////////////////////////////////////////////////////////////////
252 BibTeXInfo::BibTeXInfo(docstring const & key, docstring const & type)
253 : is_bibtex_(true), bib_key_(key), entry_type_(type), info_(),
258 docstring const BibTeXInfo::getAbbreviatedAuthor(bool jurabib_style) const
261 docstring const opt = label();
266 docstring const remainder = trim(split(opt, authors, '('));
267 if (remainder.empty())
268 // in this case, we didn't find a "(",
269 // so we don't have author (year)
274 docstring author = operator[]("author");
275 if (author.empty()) {
276 author = operator[]("editor");
281 // FIXME Move this to a separate routine that can
282 // be called from elsewhere.
284 // OK, we've got some names. Let's format them.
285 // Try to split the author list on " and "
286 vector<docstring> const authors =
287 getVectorFromString(author, from_ascii(" and "));
289 if (jurabib_style && (authors.size() == 2 || authors.size() == 3)) {
290 docstring shortauthor = familyName(authors[0])
291 + "/" + familyName(authors[1]);
292 if (authors.size() == 3)
293 shortauthor += "/" + familyName(authors[2]);
294 return convertLaTeXCommands(shortauthor);
297 docstring retval = familyName(authors[0]);
299 if (authors.size() == 2 && authors[1] != "others")
300 retval = bformat(from_ascii("%1$s and %2$s"),
301 familyName(authors[0]), familyName(authors[1]));
303 if (authors.size() >= 2)
304 retval = bformat(from_ascii("%1$s et al."),
305 familyName(authors[0]));
307 return convertLaTeXCommands(retval);
311 docstring const BibTeXInfo::getAbbreviatedAuthor(Buffer const & buf, bool jurabib_style) const
313 docstring const author = getAbbreviatedAuthor(jurabib_style);
316 vector<docstring> const authors = getVectorFromString(author, from_ascii(" and "));
317 if (authors.size() == 2)
318 return bformat(buf.B_("%1$s and %2$s"), authors[0], authors[1]);
319 docstring::size_type const idx = author.rfind(from_ascii(" et al."));
320 if (idx != docstring::npos)
321 return bformat(buf.B_("%1$s et al."), author.substr(0, idx));
326 docstring const BibTeXInfo::getYear() const
329 return operator[]("year");
331 docstring const opt = label();
336 docstring tmp = split(opt, authors, '(');
338 // we don't have author (year)
341 tmp = split(tmp, year, ')');
346 docstring const BibTeXInfo::getXRef() const
350 return operator[]("crossref");
356 docstring parseOptions(docstring const & format, string & optkey,
357 docstring & ifpart, docstring & elsepart);
359 // Calls parseOptions to deal with an embedded option, such as:
360 // {%number%[[, no.~%number%]]}
361 // which must appear at the start of format. ifelsepart gets the
362 // whole of the option, and we return what's left after the option.
363 // we return format if there is an error.
364 docstring parseEmbeddedOption(docstring const & format, docstring & ifelsepart)
366 LASSERT(format[0] == '{' && format[1] == '%', return format);
370 docstring const rest = parseOptions(format, optkey, ifpart, elsepart);
371 if (format == rest) { // parse error
372 LYXERR0("ERROR! Couldn't parse `" << format <<"'.");
375 LASSERT(rest.size() <= format.size(),
376 { ifelsepart = docstring(); return format; });
377 ifelsepart = format.substr(0, format.size() - rest.size());
382 // Gets a "clause" from a format string, where the clause is
383 // delimited by '[[' and ']]'. Returns what is left after the
384 // clause is removed, and returns format if there is an error.
385 docstring getClause(docstring const & format, docstring & clause)
387 docstring fmt = format;
390 // we'll remove characters from the front of fmt as we
392 while (!fmt.empty()) {
393 if (fmt[0] == ']' && fmt.size() > 1 && fmt[1] == ']') {
398 // check for an embedded option
399 if (fmt[0] == '{' && fmt.size() > 1 && fmt[1] == '%') {
401 docstring const rest = parseEmbeddedOption(fmt, part);
403 LYXERR0("ERROR! Couldn't parse embedded option in `" << format <<"'.");
408 } else { // it's just a normal character
417 // parse an options string, which must appear at the start of the
418 // format parameter. puts the parsed bits in optkey, ifpart, and
419 // elsepart and returns what's left after the option is removed.
420 // if there's an error, it returns format itself.
421 docstring parseOptions(docstring const & format, string & optkey,
422 docstring & ifpart, docstring & elsepart)
424 LASSERT(format[0] == '{' && format[1] == '%', return format);
426 docstring fmt = format.substr(2);
427 size_t pos = fmt.find('%'); // end of key
428 if (pos == string::npos) {
429 LYXERR0("Error parsing `" << format <<"'. Can't find end of key.");
432 optkey = to_utf8(fmt.substr(0, pos));
433 fmt = fmt.substr(pos + 1);
434 // [[format]] should be next
435 if (fmt[0] != '[' || fmt[1] != '[') {
436 LYXERR0("Error parsing `" << format <<"'. Can't find '[[' after key.");
440 docstring curfmt = fmt;
441 fmt = getClause(curfmt, ifpart);
443 LYXERR0("Error parsing `" << format <<"'. Couldn't get if clause.");
447 if (fmt[0] == '}') // we're done, no else clause
448 return fmt.substr(1);
450 // else part should follow
451 if (fmt[0] != '[' || fmt[1] != '[') {
452 LYXERR0("Error parsing `" << format <<"'. Can't find else clause.");
457 fmt = getClause(curfmt, elsepart);
459 if (fmt == curfmt || fmt[0] != '}') {
460 LYXERR0("Error parsing `" << format <<"'. Can't find end of option.");
463 return fmt.substr(1);
470 docstring BibTeXInfo::expandFormat(docstring const & format,
471 BibTeXInfo const * const xref, int & counter, Buffer const & buf,
472 docstring before, docstring after, docstring dialog, bool next) const
474 // incorrect use of macros could put us in an infinite loop
475 static int const max_passes = 5000;
476 // the use of overly large keys can lead to performance problems, due
477 // to eventual attempts to convert LaTeX macros to unicode. See bug
478 // #8944. This is perhaps not the best solution, but it will have to
480 static size_t const max_keysize = 128;
481 odocstringstream ret; // return value
483 bool scanning_key = false;
484 bool scanning_rich = false;
486 CiteEngineType const engine_type = buf.params().citeEngineType();
487 docstring fmt = format;
488 // we'll remove characters from the front of fmt as we
490 while (!fmt.empty()) {
491 if (counter > max_passes) {
492 LYXERR0("Recursion limit reached while parsing `"
497 char_type thischar = fmt[0];
498 if (thischar == '%') {
499 // beginning or end of key
502 scanning_key = false;
503 // so we replace the key with its value, which may be empty
507 buf.params().documentClass().getCiteMacro(engine_type, key);
508 fmt = from_utf8(val) + fmt.substr(1);
511 } else if (key[0] == '_') {
512 // a translatable bit
514 buf.params().documentClass().getCiteMacro(engine_type, key);
515 docstring const trans =
516 translateIfPossible(from_utf8(val), buf.params().language->code());
519 docstring const val =
520 getValueForKey(key, buf, before, after, dialog, xref, max_keysize);
522 ret << from_ascii("{!<span class=\"bib-" + key + "\">!}");
525 ret << from_ascii("{!</span>!}");
533 else if (thischar == '{') {
534 // beginning of option?
536 LYXERR0("ERROR: Found `{' when scanning key in `" << format << "'.");
539 if (fmt.size() > 1) {
541 // it is the beginning of an optional format
545 docstring const newfmt =
546 parseOptions(fmt, optkey, ifpart, elsepart);
547 if (newfmt == fmt) // parse error
550 docstring const val =
551 getValueForKey(optkey, buf, before, after, dialog, xref);
552 if (optkey == "next" && next)
553 ret << ifpart; // without expansion
554 else if (!val.empty()) {
556 ret << expandFormat(ifpart, xref, newcounter, buf,
557 before, after, dialog, next);
558 } else if (!elsepart.empty()) {
560 ret << expandFormat(elsepart, xref, newcounter, buf,
561 before, after, dialog, next);
563 // fmt will have been shortened for us already
567 // beginning of rich text
568 scanning_rich = true;
570 ret << from_ascii("{!");
574 // we are here if '{' was not followed by % or !.
575 // So it's just a character.
578 else if (scanning_rich && thischar == '!'
579 && fmt.size() > 1 && fmt[1] == '}') {
581 scanning_rich = false;
583 ret << from_ascii("!}");
586 else if (scanning_key)
587 key += char(thischar);
591 } catch (EncodingException & /* e */) {
592 LYXERR0("Uncodable character '" << docstring(1, thischar) << " in citation label!");
598 LYXERR0("Never found end of key in `" << format << "'!");
602 LYXERR0("Never found end of rich text in `" << format << "'!");
609 docstring const & BibTeXInfo::getInfo(BibTeXInfo const * const xref,
610 Buffer const & buf, bool richtext) const
612 if (!richtext && !info_.empty())
614 if (richtext && !info_richtext_.empty())
615 return info_richtext_;
618 BibTeXInfo::const_iterator it = find(from_ascii("ref"));
623 CiteEngineType const engine_type = buf.params().citeEngineType();
624 DocumentClass const & dc = buf.params().documentClass();
625 docstring const & format =
626 from_utf8(dc.getCiteFormat(engine_type, to_utf8(entry_type_)));
628 info_ = expandFormat(format, xref, counter, buf,
629 docstring(), docstring(), docstring(), false);
632 // this probably shouldn't happen
637 info_richtext_ = convertLaTeXCommands(processRichtext(info_, true));
638 return info_richtext_;
641 info_ = convertLaTeXCommands(processRichtext(info_, false));
646 docstring const BibTeXInfo::getLabel(BibTeXInfo const * const xref,
647 Buffer const & buf, docstring const & format, bool richtext,
648 docstring const & before, docstring const & after,
649 docstring const & dialog, bool next) const
654 loclabel = expandFormat(format, xref, counter, buf,
655 before, after, dialog, next);
657 if (!loclabel.empty() && !next) {
658 loclabel = processRichtext(loclabel, richtext);
659 loclabel = convertLaTeXCommands(loclabel);
666 docstring const & BibTeXInfo::operator[](docstring const & field) const
668 BibTeXInfo::const_iterator it = find(field);
671 static docstring const empty_value = docstring();
676 docstring const & BibTeXInfo::operator[](string const & field) const
678 return operator[](from_ascii(field));
682 docstring BibTeXInfo::getValueForKey(string const & oldkey, Buffer const & buf,
683 docstring const & before, docstring const & after, docstring const & dialog,
684 BibTeXInfo const * const xref, size_t maxsize) const
686 // anything less is pointless
687 LASSERT(maxsize >= 16, maxsize = 16);
689 bool cleanit = false;
690 if (prefixIs(oldkey, "clean:")) {
691 key = oldkey.substr(6);
695 docstring ret = operator[](key);
696 if (ret.empty() && xref)
700 // FIXME: dialog, textbefore and textafter have nothing to do with this
703 else if (key == "entrytype")
705 else if (key == "key")
707 else if (key == "label")
709 else if (key == "modifier" && modifier_ != 0)
711 else if (key == "numericallabel")
713 else if (key == "abbrvauthor")
714 // Special key to provide abbreviated author names.
715 ret = getAbbreviatedAuthor(buf, false);
716 else if (key == "shortauthor")
717 // When shortauthor is not defined, jurabib automatically
718 // provides jurabib-style abbreviated author names. We do
720 ret = getAbbreviatedAuthor(buf, true);
721 else if (key == "shorttitle") {
722 // When shorttitle is not defined, jurabib uses for `article'
723 // and `periodical' entries the form `journal volume [year]'
724 // and for other types of entries it uses the `title' field.
725 if (entry_type_ == "article" || entry_type_ == "periodical")
726 ret = operator[]("journal") + " " + operator[]("volume")
727 + " [" + operator[]("year") + "]";
729 ret = operator[]("title");
730 } else if (key == "bibentry") {
731 // Special key to provide the full bibliography entry: see getInfo()
732 CiteEngineType const engine_type = buf.params().citeEngineType();
733 DocumentClass const & dc = buf.params().documentClass();
734 docstring const & format =
735 from_utf8(dc.getCiteFormat(engine_type, to_utf8(entry_type_)));
737 ret = expandFormat(format, xref, counter, buf,
738 docstring(), docstring(), docstring(), false);
739 } else if (key == "textbefore")
741 else if (key == "textafter")
743 else if (key == "year")
748 ret = html::cleanAttr(ret);
750 // make sure it is not too big
751 if (ret.size() > maxsize)
752 ret = ret.substr(0, maxsize - 3) + from_ascii("...");
757 //////////////////////////////////////////////////////////////////////
761 //////////////////////////////////////////////////////////////////////
765 // A functor for use with sort, leading to case insensitive sorting
766 class compareNoCase: public binary_function<docstring, docstring, bool>
769 bool operator()(docstring const & s1, docstring const & s2) const {
770 return compare_no_case(s1, s2) < 0;
777 vector<docstring> const BiblioInfo::getKeys() const
779 vector<docstring> bibkeys;
780 BiblioInfo::const_iterator it = begin();
781 for (; it != end(); ++it)
782 bibkeys.push_back(it->first);
783 sort(bibkeys.begin(), bibkeys.end(), compareNoCase());
788 vector<docstring> const BiblioInfo::getFields() const
790 vector<docstring> bibfields;
791 set<docstring>::const_iterator it = field_names_.begin();
792 set<docstring>::const_iterator end = field_names_.end();
793 for (; it != end; ++it)
794 bibfields.push_back(*it);
795 sort(bibfields.begin(), bibfields.end());
800 vector<docstring> const BiblioInfo::getEntries() const
802 vector<docstring> bibentries;
803 set<docstring>::const_iterator it = entry_types_.begin();
804 set<docstring>::const_iterator end = entry_types_.end();
805 for (; it != end; ++it)
806 bibentries.push_back(*it);
807 sort(bibentries.begin(), bibentries.end());
812 docstring const BiblioInfo::getAbbreviatedAuthor(docstring const & key, Buffer const & buf) const
814 BiblioInfo::const_iterator it = find(key);
817 BibTeXInfo const & data = it->second;
818 return data.getAbbreviatedAuthor(buf, false);
822 docstring const BiblioInfo::getCiteNumber(docstring const & key) const
824 BiblioInfo::const_iterator it = find(key);
827 BibTeXInfo const & data = it->second;
828 return data.citeNumber();
832 docstring const BiblioInfo::getYear(docstring const & key, bool use_modifier) const
834 BiblioInfo::const_iterator it = find(key);
837 BibTeXInfo const & data = it->second;
838 docstring year = data.getYear();
840 // let's try the crossref
841 docstring const xref = data.getXRef();
845 BiblioInfo::const_iterator const xrefit = find(xref);
849 BibTeXInfo const & xref_data = xrefit->second;
850 year = xref_data.getYear();
852 if (use_modifier && data.modifier() != 0)
853 year += data.modifier();
858 docstring const BiblioInfo::getYear(docstring const & key, Buffer const & buf, bool use_modifier) const
860 docstring const year = getYear(key, use_modifier);
862 return buf.B_("No year");
867 docstring const BiblioInfo::getInfo(docstring const & key,
868 Buffer const & buf, bool richtext) const
870 BiblioInfo::const_iterator it = find(key);
872 return docstring(_("Bibliography entry not found!"));
873 BibTeXInfo const & data = it->second;
874 BibTeXInfo const * xrefptr = 0;
875 docstring const xref = data.getXRef();
877 BiblioInfo::const_iterator const xrefit = find(xref);
879 xrefptr = &(xrefit->second);
881 return data.getInfo(xrefptr, buf, richtext);
885 docstring const BiblioInfo::getLabel(vector<docstring> keys,
886 Buffer const & buf, string const & style, bool for_xhtml,
887 size_t max_size, docstring const & before, docstring const & after,
888 docstring const & dialog) const
890 // shorter makes no sense
891 LASSERT(max_size >= 16, max_size = 16);
893 // we can't display more than 10 of these, anyway
894 bool const too_many_keys = keys.size() > 10;
898 CiteEngineType const engine_type = buf.params().citeEngineType();
899 DocumentClass const & dc = buf.params().documentClass();
900 docstring const & format = from_utf8(dc.getCiteFormat(engine_type, style, "cite"));
901 docstring ret = format;
902 vector<docstring>::const_iterator key = keys.begin();
903 vector<docstring>::const_iterator ken = keys.end();
904 for (; key != ken; ++key) {
905 BiblioInfo::const_iterator it = find(*key);
906 BibTeXInfo empty_data;
907 empty_data.key(*key);
908 BibTeXInfo & data = empty_data;
909 BibTeXInfo const * xrefptr = 0;
912 docstring const xref = data.getXRef();
914 BiblioInfo::const_iterator const xrefit = find(xref);
916 xrefptr = &(xrefit->second);
919 ret = data.getLabel(xrefptr, buf, ret, for_xhtml,
920 before, after, dialog, key + 1 != ken);
923 if (ret.size() > max_size) {
924 ret.resize(max_size - 3);
926 } else if (too_many_keys) {
927 if (ret.size() > max_size - 3)
928 ret.resize(max_size - 3);
935 bool BiblioInfo::isBibtex(docstring const & key) const
937 BiblioInfo::const_iterator it = find(key);
940 return it->second.isBibTeX();
944 vector<docstring> const BiblioInfo::getCiteStrings(
945 vector<docstring> const & keys, vector<CitationStyle> const & styles,
946 Buffer const & buf, docstring const & before,
947 docstring const & after, docstring const & dialog, size_t max_size) const
950 return vector<docstring>();
953 vector<docstring> vec(styles.size());
954 for (size_t i = 0; i != vec.size(); ++i) {
955 style = styles[i].cmd;
956 vec[i] = getLabel(keys, buf, style, false, max_size, before, after, dialog);
963 void BiblioInfo::mergeBiblioInfo(BiblioInfo const & info)
965 bimap_.insert(info.begin(), info.end());
966 field_names_.insert(info.field_names_.begin(), info.field_names_.end());
967 entry_types_.insert(info.entry_types_.begin(), info.entry_types_.end());
973 // used in xhtml to sort a list of BibTeXInfo objects
974 bool lSorter(BibTeXInfo const * lhs, BibTeXInfo const * rhs)
976 docstring const lauth = lhs->getAbbreviatedAuthor();
977 docstring const rauth = rhs->getAbbreviatedAuthor();
978 docstring const lyear = lhs->getYear();
979 docstring const ryear = rhs->getYear();
980 docstring const ltitl = lhs->operator[]("title");
981 docstring const rtitl = rhs->operator[]("title");
982 return (lauth < rauth)
983 || (lauth == rauth && lyear < ryear)
984 || (lauth == rauth && lyear == ryear && ltitl < rtitl);
990 void BiblioInfo::collectCitedEntries(Buffer const & buf)
992 cited_entries_.clear();
993 // We are going to collect all the citation keys used in the document,
994 // getting them from the TOC.
995 // FIXME We may want to collect these differently, in the first case,
996 // so that we might have them in order of appearance.
997 set<docstring> citekeys;
998 Toc const & toc = buf.tocBackend().toc("citation");
999 Toc::const_iterator it = toc.begin();
1000 Toc::const_iterator const en = toc.end();
1001 for (; it != en; ++it) {
1002 if (it->str().empty())
1004 vector<docstring> const keys = getVectorFromString(it->str());
1005 citekeys.insert(keys.begin(), keys.end());
1007 if (citekeys.empty())
1010 // We have a set of the keys used in this document.
1011 // We will now convert it to a list of the BibTeXInfo objects used in
1013 vector<BibTeXInfo const *> bi;
1014 set<docstring>::const_iterator cit = citekeys.begin();
1015 set<docstring>::const_iterator const cen = citekeys.end();
1016 for (; cit != cen; ++cit) {
1017 BiblioInfo::const_iterator const bt = find(*cit);
1018 if (bt == end() || !bt->second.isBibTeX())
1020 bi.push_back(&(bt->second));
1023 sort(bi.begin(), bi.end(), lSorter);
1025 // Now we can write the sorted keys
1026 vector<BibTeXInfo const *>::const_iterator bit = bi.begin();
1027 vector<BibTeXInfo const *>::const_iterator ben = bi.end();
1028 for (; bit != ben; ++bit)
1029 cited_entries_.push_back((*bit)->key());
1033 void BiblioInfo::makeCitationLabels(Buffer const & buf)
1035 collectCitedEntries(buf);
1036 CiteEngineType const engine_type = buf.params().citeEngineType();
1037 bool const numbers = (engine_type & ENGINE_TYPE_NUMERICAL);
1041 // used to remember the last one we saw
1042 // we'll be comparing entries to see if we need to add
1043 // modifiers, like "1984a"
1044 map<docstring, BibTeXInfo>::iterator last;
1046 vector<docstring>::const_iterator it = cited_entries_.begin();
1047 vector<docstring>::const_iterator const en = cited_entries_.end();
1048 for (; it != en; ++it) {
1049 map<docstring, BibTeXInfo>::iterator const biit = bimap_.find(*it);
1050 // this shouldn't happen, but...
1051 if (biit == bimap_.end())
1052 // ...fail gracefully, anyway.
1054 BibTeXInfo & entry = biit->second;
1056 docstring const num = convert<docstring>(++keynumber);
1057 entry.setCiteNumber(num);
1059 if (it != cited_entries_.begin()
1060 && entry.getAbbreviatedAuthor() == last->second.getAbbreviatedAuthor()
1061 // we access the year via getYear() so as to get it from the xref,
1062 // if we need to do so
1063 && getYear(entry.key()) == getYear(last->second.key())) {
1064 if (modifier == 0) {
1065 // so the last one should have been 'a'
1066 last->second.setModifier('a');
1068 } else if (modifier == 'z')
1075 entry.setModifier(modifier);
1076 // remember the last one
1081 it = cited_entries_.begin();
1082 for (; it != en; ++it) {
1083 map<docstring, BibTeXInfo>::iterator const biit = bimap_.find(*it);
1084 // this shouldn't happen, but...
1085 if (biit == bimap_.end())
1086 // ...fail gracefully, anyway.
1088 BibTeXInfo & entry = biit->second;
1090 entry.label(entry.citeNumber());
1092 docstring const auth = entry.getAbbreviatedAuthor(buf, false);
1093 // we do it this way so as to access the xref, if necessary
1094 // note that this also gives us the modifier
1095 docstring const year = getYear(*it, buf, true);
1096 if (!auth.empty() && !year.empty())
1097 entry.label(auth + ' ' + year);
1099 entry.label(entry.key());
1105 //////////////////////////////////////////////////////////////////////
1109 //////////////////////////////////////////////////////////////////////
1112 CitationStyle citationStyleFromString(string const & command)
1115 if (command.empty())
1118 string cmd = command;
1119 if (cmd[0] == 'C') {
1120 cs.forceUpperCase = true;
1124 size_t const n = cmd.size() - 1;
1125 if (cmd[n] == '*') {
1126 cs.fullAuthorList = true;
1127 cmd = cmd.substr(0, n);
1135 string citationStyleToString(const CitationStyle & cs)
1137 string cmd = cs.cmd;
1138 if (cs.forceUpperCase)
1140 if (cs.fullAuthorList)