4 * This file is part of LyX, the document processor.
5 * Licence details can be found in the file COPYING.
7 * \author Angus Leeming
10 * \author Julien Rioux
12 * Full author contact details are available in file CREDITS.
18 #include "support/docstring.h"
20 #include "BufferParams.h"
32 /// \param latex_str a LaTeX command, "cite", "Citep*", etc
33 CitationStyle citationStyleFromString(std::string const & latex_str,
34 BufferParams const &);
35 /// the other way round
36 std::string citationStyleToString(CitationStyle const &, bool const latex = false);
38 /// Transforms the information about authors into a <authorgroup> (directly written to a XMLStream).
39 docstring authorsToDocBookAuthorGroup(docstring const & authorsString, XMLStream & xs, Buffer const & buf);
42 /// Class to represent information about a BibTeX or
43 /// bibliography entry.
44 /// This class basically wraps a std::map, and many of its
45 /// methods simply delegate to the corresponding methods of
49 /// The keys are BibTeX fields (e.g., author, title, etc),
50 /// and the values are the associated field values.
51 typedef std::map<docstring, docstring>::const_iterator const_iterator;
53 typedef std::vector<BibTeXInfo const *> const BibTeXInfoList;
55 BibTeXInfo() : is_bibtex_(true), num_bib_key_(0), modifier_(0) {}
56 /// argument sets isBibTeX_, so should be false only if it's coming
57 /// from a bibliography environment
58 BibTeXInfo(bool ib) : is_bibtex_(ib), num_bib_key_(0), modifier_(0) {}
59 /// constructor that sets the entryType
60 BibTeXInfo(docstring const & key, docstring const & type);
61 /// \return an author or editor list (short form by default),
63 /// This will be translated to the UI language if buf is null
64 /// otherwise, it will be translated to the buffer language.
65 docstring const getAuthorOrEditorList(Buffer const * buf = nullptr,
66 bool full = false, bool forceshort = false) const;
67 /// Same for a specific author role (editor, author etc.)
68 docstring const getAuthorList(Buffer const * buf, docstring const & author,
69 bool const full = false, bool const forceshort = false,
70 bool const allnames = false, bool const beginning = true) const;
72 docstring const getYear() const;
73 /// \return formatted BibTeX data suitable for framing.
74 /// \param vector of pointers to crossref/xdata information
75 docstring const & getInfo(BibTeXInfoList const & xrefs,
76 Buffer const & buf, CiteItem const & ci) const;
77 /// \return formatted BibTeX data for a citation label
78 docstring const getLabel(BibTeXInfoList const xrefs,
79 Buffer const & buf, docstring const & format,
80 CiteItem const & ci, bool next = false, bool second = false) const;
82 const_iterator find(docstring const & f) const { return bimap_.find(f); }
84 const_iterator end() const { return bimap_.end(); }
85 /// \return value for field f
86 /// note that this will create an empty field if it does not exist
87 docstring & operator[](docstring const & f)
89 /// \return value for field f
90 /// this one, since it is const, will simply return docstring() if
91 /// we don't have the field and will NOT create an empty field
92 docstring const & operator[](docstring const & field) const;
94 docstring const & operator[](std::string const & field) const;
96 docstring const & allData() const { return all_data_; }
98 void setAllData(docstring const & d) { all_data_ = d; }
100 void label(docstring const & d) { label_= d; }
102 void key(docstring const & d) { bib_key_= d; }
103 /// Record the number of occurences of the same key
104 /// (duplicates are allowed with qualified citation lists)
105 void numKey(int const i) { num_bib_key_ = i; }
107 docstring const & label() const { return label_; }
109 docstring const & key() const { return bib_key_; }
110 /// numerical key for citing this entry. currently used only
111 /// by XHTML output routines.
112 docstring citeNumber() const { return cite_number_; }
114 void setCiteNumber(docstring const & num) { cite_number_ = num; }
115 /// a,b,c, etc, for author-year. currently used only by XHTML
117 char modifier() const { return modifier_; }
119 void setModifier(char c) { modifier_ = c; }
121 docstring entryType() const { return entry_type_; }
123 bool isBibTeX() const { return is_bibtex_; }
125 /// like operator[], except, if the field is empty, it will attempt
126 /// to get the data from xref BibTeXInfo objects, which would normally
127 /// be the one referenced in the crossref or xdata field.
128 docstring getValueForKey(std::string const & key, Buffer const & buf,
129 CiteItem const & ci, BibTeXInfoList const & xrefs, size_t maxsize = 4096) const;
130 /// replace %keys% in a format string with their values
131 /// called from getInfo()
132 /// format strings may contain:
133 /// %key%, which represents a key
134 /// {%key%[[format]]}, which prints format if key is non-empty
135 /// the latter may optionally contain an `else' clause as well:
136 /// {%key%[[if format]][[else format]]}
137 /// Material intended only for rich text (HTML) output should be
138 /// wrapped in "{!" and "!}". These markers are to be postprocessed
139 /// by processRichtext(); this step is left as a separate routine since
140 /// expandFormat() is recursive while postprocessing should be done
141 /// only once on the final string (just like convertLaTeXCommands).
142 /// a simple macro facility is also available. keys that look like
143 /// "%!key%" are substituted with their definition.
144 /// moreover, keys that look like "%_key%" are treated as translatable
145 /// so that things like "pp." and "vol." can be translated.
146 docstring expandFormat(docstring const & fmt,
147 BibTeXInfoList const & xrefs, int & counter,
148 Buffer const & buf, CiteItem const & ci,
149 bool next = false, bool second = false) const;
150 /// true if from BibTeX; false if from bibliography environment
152 /// the BibTeX key for this entry
154 /// Number of occurences of the same key
156 /// the label that will appear in citations
157 /// this is easily set from bibliography environments, but has
158 /// to be calculated for entries we get from BibTeX
160 /// a single string containing all BibTeX data associated with this key
162 /// the BibTeX entry type (article, book, incollection, ...)
163 docstring entry_type_;
164 /// a cache for getInfo()
165 mutable docstring info_;
166 /// a cache for getInfo(richtext = true)
167 mutable docstring info_richtext_;
169 docstring cite_number_;
172 /// our map: <field, value>
173 std::map <docstring, docstring> bimap_;
177 /// Class to represent a collection of bibliographical data, whether
178 /// from BibTeX or from bibliography environments.
182 typedef std::vector<BibTeXInfo const *> BibTeXInfoList;
183 /// bibliography key --> data for that key
184 typedef std::map<docstring, BibTeXInfo>::const_iterator const_iterator;
185 /// Get a vector with all external data (crossref, xdata)
186 std::vector<docstring> const getXRefs(BibTeXInfo const & data,
187 bool const nested = false) const;
188 /// \return a sorted vector of bibliography keys
189 std::vector<docstring> const getKeys() const;
190 /// \return a sorted vector of present BibTeX fields
191 std::vector<docstring> const getFields() const;
192 /// \return a sorted vector of BibTeX entry types in use
193 std::vector<docstring> const getEntries() const;
194 /// \return author or editor list (abbreviated form by default)
195 docstring const getAuthorOrEditorList(docstring const & key, Buffer const & buf) const;
196 /// \return the year from the bibtex data record for \param key
197 /// if \param use_modifier is true, then we will also append any
198 /// modifier for this entry (e.g., 1998b).
199 /// If no legacy year field is present, check for date (common in
200 /// biblatex) and extract the year from there.
201 /// Note further that this will get the year from the crossref or xdata
202 /// if it's not present in the record itself.
203 docstring const getYear(docstring const & key,
204 bool use_modifier = false) const;
205 /// \return the year from the bibtex data record for \param key
206 /// if \param use_modifier is true, then we will also append any
207 /// modifier for this entry (e.g., 1998b).
208 /// If no legacy year field is present, check for date (common in
209 /// biblatex) and extract the year from there.
210 /// Note further that this will get the year from the crossref or xdata
211 /// if it's not present in the record itself.
212 /// If no year is found, \return "No year" translated to the buffer
214 docstring const getYear(docstring const & key, Buffer const & buf,
215 bool use_modifier = false) const;
217 docstring const getCiteNumber(docstring const & key) const;
218 /// \return formatted BibTeX data associated with a given key.
219 /// Empty if no info exists.
220 /// Note that this will retrieve data from the crossref or xdata as needed.
221 /// \param ci contains further context information, such as if it should
222 /// output any richtext tags marked in the citation format and escape < and >
223 /// elsewhere, and the general output context.
224 docstring const getInfo(docstring const & key, Buffer const & buf,
225 CiteItem const & ci) const;
226 /// \return formatted BibTeX data for citation labels.
227 /// Citation labels can have more than one key.
228 docstring const getLabel(std::vector<docstring> keys, Buffer const & buf,
229 std::string const & style, CiteItem const & ci) const;
230 /// Is this a reference from a bibtex database
231 /// or from a bibliography environment?
232 bool isBibtex(docstring const & key) const;
233 /// A vector holding a pair of lyx cite command and the respective
234 /// output for a given (list of) key(s).
235 typedef std::vector<std::pair<docstring,docstring>> CiteStringMap;
236 /// Translates the available citation styles into strings for a given
237 /// list of keys, using either numerical or author-year style depending
238 /// upon the active engine. The function returns a CiteStringMap with the first
239 /// element being the lyx cite command, the second being the formatted
240 /// citation reference.
241 CiteStringMap const getCiteStrings(
242 std::vector<docstring> const & keys,
243 std::vector<CitationStyle> const & styles, Buffer const & buf,
244 CiteItem const & ci) const;
245 /// A list of BibTeX keys cited in the current document, sorted by
246 /// the last name of the author.
247 /// Make sure you have called collectCitedEntries() before you try to
248 /// use this. You should probably call it just before you use this.
249 std::vector<docstring> const & citedEntries() const
250 { return cited_entries_; }
252 void makeCitationLabels(Buffer const & buf);
254 const_iterator begin() const { return bimap_.begin(); }
256 void clear() { bimap_.clear(); }
258 bool empty() const { return bimap_.empty(); }
260 const_iterator end() const { return bimap_.end(); }
262 const_iterator find(docstring const & f) const { return bimap_.find(f); }
264 void mergeBiblioInfo(BiblioInfo const & info);
266 BibTeXInfo & operator[](docstring const & f) { return bimap_[f]; }
268 void addFieldName(docstring const & f) { field_names_.insert(f); }
270 void addEntryType(docstring const & f) { entry_types_.insert(f); }
272 /// Collects the cited entries from buf.
273 void collectCitedEntries(Buffer const & buf);
275 std::set<docstring> field_names_;
277 std::set<docstring> entry_types_;
278 /// our map: keys --> BibTeXInfo
279 std::map<docstring, BibTeXInfo> bimap_;
280 /// a possibly sorted list of entries cited in our Buffer.
281 /// do not try to make this a vector<BibTeXInfo *> or anything of
282 /// the sort, because reloads will invalidate those pointers.
283 std::vector<docstring> cited_entries_;
288 #endif // BIBLIOINFO_H