mirror of
https://git.lyx.org/repos/lyx.git
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d9e6e32961
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@10622 a592a061-630c-0410-9148-cb99ea01b6c8
403 lines
10 KiB
C
403 lines
10 KiB
C
/**
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* \file insetcite.C
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Angus Leeming
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* \author Herbert Voß
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "insetcite.h"
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#include "buffer.h"
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#include "bufferparams.h"
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#include "BufferView.h"
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#include "dispatchresult.h"
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#include "funcrequest.h"
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#include "LaTeXFeatures.h"
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#include "frontends/controllers/biblio.h"
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#include "support/lstrings.h"
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using lyx::support::ascii_lowercase;
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using lyx::support::contains;
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using lyx::support::getVectorFromString;
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using lyx::support::ltrim;
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using lyx::support::rtrim;
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using lyx::support::split;
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using std::string;
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using std::ostream;
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using std::vector;
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using std::map;
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namespace biblio = lyx::biblio;
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namespace {
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string const getNatbibLabel(Buffer const & buffer,
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string const & citeType, string const & keyList,
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string const & before, string const & after,
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biblio::CiteEngine engine)
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{
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// Only start the process off after the buffer is loaded from file.
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if (!buffer.fully_loaded())
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return string();
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typedef std::map<Buffer const *, biblio::InfoMap> CachedMap;
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static CachedMap cached_keys;
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// build the keylist
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typedef vector<std::pair<string, string> > InfoType;
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InfoType bibkeys;
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buffer.fillWithBibKeys(bibkeys);
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InfoType::const_iterator bit = bibkeys.begin();
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InfoType::const_iterator bend = bibkeys.end();
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biblio::InfoMap infomap;
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for (; bit != bend; ++bit) {
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infomap[bit->first] = bit->second;
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}
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if (infomap.empty())
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return string();
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cached_keys[&buffer] = infomap;
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// the natbib citation-styles
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// CITET: author (year)
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// CITEP: (author,year)
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// CITEALT: author year
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// CITEALP: author, year
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// CITEAUTHOR: author
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// CITEYEAR: year
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// CITEYEARPAR: (year)
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// jurabib supports these plus
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// CITE: author/<before field>
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// We don't currently use the full or forceUCase fields.
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string cite_type = biblio::asValidLatexCommand(citeType, engine);
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if (cite_type[0] == 'C')
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cite_type = string(1, 'c') + cite_type.substr(1);
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if (cite_type[cite_type.size() - 1] == '*')
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cite_type = cite_type.substr(0, cite_type.size() - 1);
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string before_str;
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if (!before.empty()) {
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// In CITET and CITEALT mode, the "before" string is
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// attached to the label associated with each and every key.
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// In CITEP, CITEALP and CITEYEARPAR mode, it is attached
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// to the front of the whole only.
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// In other modes, it is not used at all.
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if (cite_type == "citet" ||
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cite_type == "citealt" ||
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cite_type == "citep" ||
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cite_type == "citealp" ||
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cite_type == "citeyearpar")
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before_str = before + ' ';
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// In CITE (jurabib), the "before" string is used to attach
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// the annotator (of legal texts) to the author(s) of the
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// first reference.
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else if (cite_type == "cite")
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before_str = '/' + before;
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}
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string after_str;
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if (!after.empty()) {
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// The "after" key is appended only to the end of the whole.
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after_str = ", " + after;
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}
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// One day, these might be tunable (as they are in BibTeX).
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char const op = '('; // opening parenthesis.
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char const cp = ')'; // closing parenthesis.
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// puctuation mark separating citation entries.
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char const * const sep = ";";
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string const op_str(' ' + string(1, op));
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string const cp_str(string(1, cp) + ' ');
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string const sep_str(string(sep) + ' ');
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string label;
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vector<string> keys = getVectorFromString(keyList);
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vector<string>::const_iterator it = keys.begin();
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vector<string>::const_iterator end = keys.end();
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for (; it != end; ++it) {
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// get the bibdata corresponding to the key
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string const author(biblio::getAbbreviatedAuthor(infomap, *it));
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string const year(biblio::getYear(infomap, *it));
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// Something isn't right. Fail safely.
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if (author.empty() || year.empty())
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return string();
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// authors1/<before>; ... ;
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// authors_last, <after>
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if (cite_type == "cite" && engine == biblio::ENGINE_JURABIB) {
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if (it == keys.begin())
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label += author + before_str + sep_str;
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else
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label += author + sep_str;
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// (authors1 (<before> year); ... ;
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// authors_last (<before> year, <after>)
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} else if (cite_type == "citet") {
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switch (engine) {
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case biblio::ENGINE_NATBIB_AUTHORYEAR:
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label += author + op_str + before_str +
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year + cp + sep_str;
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break;
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case biblio::ENGINE_NATBIB_NUMERICAL:
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label += author + op_str + before_str +
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'#' + *it + cp + sep_str;
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break;
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case biblio::ENGINE_JURABIB:
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label += before_str + author + op_str +
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year + cp + sep_str;
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break;
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case biblio::ENGINE_BASIC:
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break;
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}
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// author, year; author, year; ...
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} else if (cite_type == "citep" ||
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cite_type == "citealp") {
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if (engine == biblio::ENGINE_NATBIB_NUMERICAL) {
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label += *it + sep_str;
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} else {
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label += author + ", " + year + sep_str;
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}
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// (authors1 <before> year;
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// authors_last <before> year, <after>)
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} else if (cite_type == "citealt") {
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switch (engine) {
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case biblio::ENGINE_NATBIB_AUTHORYEAR:
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label += author + ' ' + before_str +
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year + sep_str;
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break;
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case biblio::ENGINE_NATBIB_NUMERICAL:
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label += author + ' ' + before_str +
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'#' + *it + sep_str;
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break;
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case biblio::ENGINE_JURABIB:
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label += before_str + author + ' ' +
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year + sep_str;
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break;
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case biblio::ENGINE_BASIC:
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break;
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}
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// author; author; ...
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} else if (cite_type == "citeauthor") {
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label += author + sep_str;
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// year; year; ...
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} else if (cite_type == "citeyear" ||
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cite_type == "citeyearpar") {
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label += year + sep_str;
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}
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}
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label = rtrim(rtrim(label), sep);
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if (!after_str.empty()) {
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if (cite_type == "citet") {
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// insert "after" before last ')'
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label.insert(label.size() - 1, after_str);
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} else {
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bool const add =
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!(engine == biblio::ENGINE_NATBIB_NUMERICAL &&
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(cite_type == "citeauthor" ||
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cite_type == "citeyear"));
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if (add)
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label += after_str;
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}
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}
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if (!before_str.empty() && (cite_type == "citep" ||
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cite_type == "citealp" ||
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cite_type == "citeyearpar")) {
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label = before_str + label;
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}
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if (cite_type == "citep" || cite_type == "citeyearpar")
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label = string(1, op) + label + string(1, cp);
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return label;
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}
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string const getBasicLabel(string const & keyList, string const & after)
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{
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string keys(keyList);
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string label;
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if (contains(keys, ',')) {
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// Final comma allows while loop to cover all keys
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keys = ltrim(split(keys, label, ',')) + ',';
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while (contains(keys, ',')) {
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string key;
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keys = ltrim(split(keys, key, ','));
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label += ", " + key;
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}
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} else
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label = keys;
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if (!after.empty())
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label += ", " + after;
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return '[' + label + ']';
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}
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} // anon namespace
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InsetCitation::InsetCitation(InsetCommandParams const & p)
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: InsetCommand(p, "citation")
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{}
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string const InsetCitation::generateLabel(Buffer const & buffer) const
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{
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string const before = getSecOptions();
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string const after = getOptions();
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string label;
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biblio::CiteEngine const engine = buffer.params().cite_engine;
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if (engine != biblio::ENGINE_BASIC) {
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label = getNatbibLabel(buffer, getCmdName(), getContents(),
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before, after, engine);
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}
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// Fallback to fail-safe
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if (label.empty()) {
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label = getBasicLabel(getContents(), after);
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}
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return label;
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}
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string const InsetCitation::getScreenLabel(Buffer const & buffer) const
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{
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biblio::CiteEngine const engine = biblio::getEngine(buffer);
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if (cache.params == params() && cache.engine == engine)
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return cache.screen_label;
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// The label has changed, so we have to re-create it.
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string const before = getSecOptions();
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string const after = getOptions();
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string const glabel = generateLabel(buffer);
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unsigned int const maxLabelChars = 45;
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string label = glabel;
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if (label.size() > maxLabelChars) {
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label.erase(maxLabelChars-3);
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label += "...";
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}
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cache.engine = engine;
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cache.params = params();
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cache.generated_label = glabel;
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cache.screen_label = label;
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return label;
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}
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int InsetCitation::plaintext(Buffer const & buffer, ostream & os, OutputParams const &) const
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{
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if (cache.params == params() &&
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cache.engine == biblio::getEngine(buffer))
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os << cache.generated_label;
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else
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os << generateLabel(buffer);
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return 0;
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}
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namespace {
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string const cleanupWhitespace(string const & citelist)
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{
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string::const_iterator it = citelist.begin();
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string::const_iterator end = citelist.end();
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// Paranoia check: make sure that there is no whitespace in here
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// -- at least not behind commas or at the beginning
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string result;
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char last = ',';
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for (; it != end; ++it) {
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if (*it != ' ')
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last = *it;
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if (*it != ' ' || last != ',')
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result += *it;
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}
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return result;
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}
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// end anon namyspace
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}
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int InsetCitation::docbook(Buffer const &, ostream & os, OutputParams const &) const
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{
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os << "<citation>" << cleanupWhitespace(getContents()) << "</citation>";
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return 0;
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}
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int InsetCitation::textString(Buffer const & buf, ostream & os,
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OutputParams const & op) const
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{
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return plaintext(buf, os, op);
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}
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// Have to overwrite the default InsetCommand method in order to check that
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// the \cite command is valid. Eg, the user has natbib enabled, inputs some
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// citations and then changes his mind, turning natbib support off. The output
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// should revert to \cite[]{}
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int InsetCitation::latex(Buffer const & buffer, ostream & os,
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OutputParams const &) const
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{
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biblio::CiteEngine const cite_engine = buffer.params().cite_engine;
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string const cite_str =
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biblio::asValidLatexCommand(getCmdName(), cite_engine);
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os << "\\" << cite_str;
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string const before = getSecOptions();
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string const after = getOptions();
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if (!before.empty() && cite_engine != biblio::ENGINE_BASIC)
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os << '[' << before << "][" << after << ']';
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else if (!after.empty())
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os << '[' << after << ']';
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os << '{' << cleanupWhitespace(getContents()) << '}';
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return 0;
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}
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void InsetCitation::validate(LaTeXFeatures & features) const
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{
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switch (features.bufferParams().cite_engine) {
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case biblio::ENGINE_BASIC:
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break;
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case biblio::ENGINE_NATBIB_AUTHORYEAR:
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case biblio::ENGINE_NATBIB_NUMERICAL:
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features.require("natbib");
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break;
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case biblio::ENGINE_JURABIB:
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features.require("jurabib");
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break;
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}
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}
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