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);
39 /// Class to represent information about a BibTeX or
40 /// bibliography entry.
41 /// This class basically wraps a std::map, and many of its
42 /// methods simply delegate to the corresponding methods of
46 /// The keys are BibTeX fields (e.g., author, title, etc),
47 /// and the values are the associated field values.
48 typedef std::map<docstring, docstring>::const_iterator const_iterator;
50 typedef std::vector<BibTeXInfo const *> const BibTeXInfoList;
52 BibTeXInfo() : is_bibtex_(true), num_bib_key_(0), modifier_(0) {}
53 /// argument sets isBibTeX_, so should be false only if it's coming
54 /// from a bibliography environment
55 BibTeXInfo(bool ib) : is_bibtex_(ib), num_bib_key_(0), modifier_(0) {}
56 /// constructor that sets the entryType
57 BibTeXInfo(docstring const & key, docstring const & type);
58 /// \return an author or editor list (short form by default),
60 /// This will be translated to the UI language if buf is null
61 /// otherwise, it will be translated to the buffer language.
62 docstring const getAuthorOrEditorList(Buffer const * buf = 0,
63 bool full = false, bool forceshort = false) const;
64 /// Same for a specific author role (editor, author etc.)
65 docstring const getAuthorList(Buffer const * buf, docstring const & author,
66 bool const full = false, bool const forceshort = false,
67 bool const allnames = false, bool const beginning = true) const;
69 docstring const getYear() const;
70 /// \return formatted BibTeX data suitable for framing.
71 /// \param vector of pointers to crossref/xdata information
72 docstring const & getInfo(BibTeXInfoList const xrefs,
73 Buffer const & buf, CiteItem const & ci) const;
74 /// \return formatted BibTeX data for a citation label
75 docstring const getLabel(BibTeXInfoList const xrefs,
76 Buffer const & buf, docstring const & format,
77 CiteItem const & ci, bool next = false, bool second = false) const;
79 const_iterator find(docstring const & f) const { return bimap_.find(f); }
81 const_iterator end() const { return bimap_.end(); }
82 /// \return value for field f
83 /// note that this will create an empty field if it does not exist
84 docstring & operator[](docstring const & f)
86 /// \return value for field f
87 /// this one, since it is const, will simply return docstring() if
88 /// we don't have the field and will NOT create an empty field
89 docstring const & operator[](docstring const & field) const;
91 docstring const & operator[](std::string const & field) const;
93 docstring const & allData() const { return all_data_; }
95 void setAllData(docstring const & d) { all_data_ = d; }
97 void label(docstring const & d) { label_= d; }
99 void key(docstring const & d) { bib_key_= d; }
100 /// Record the number of occurences of the same key
101 /// (duplicates are allowed with qualified citation lists)
102 void numKey(int const i) { num_bib_key_ = i; }
104 docstring const & label() const { return label_; }
106 docstring const & key() const { return bib_key_; }
107 /// numerical key for citing this entry. currently used only
108 /// by XHTML output routines.
109 docstring citeNumber() const { return cite_number_; }
111 void setCiteNumber(docstring const & num) { cite_number_ = num; }
112 /// a,b,c, etc, for author-year. currently used only by XHTML
114 char modifier() const { return modifier_; }
116 void setModifier(char c) { modifier_ = c; }
118 docstring entryType() const { return entry_type_; }
120 bool isBibTeX() const { return is_bibtex_; }
122 /// like operator[], except, if the field is empty, it will attempt
123 /// to get the data from xref BibTeXInfo objects, which would normally
124 /// be the one referenced in the crossref or xdata field.
125 docstring getValueForKey(std::string const & key, Buffer const & buf,
126 CiteItem const & ci, BibTeXInfoList const xrefs, size_t maxsize = 4096) const;
127 /// replace %keys% in a format string with their values
128 /// called from getInfo()
129 /// format strings may contain:
130 /// %key%, which represents a key
131 /// {%key%[[format]]}, which prints format if key is non-empty
132 /// the latter may optionally contain an `else' clause as well:
133 /// {%key%[[if format]][[else format]]}
134 /// Material intended only for rich text (HTML) output should be
135 /// wrapped in "{!" and "!}". These markers are to be postprocessed
136 /// by processRichtext(); this step is left as a separate routine since
137 /// expandFormat() is recursive while postprocessing should be done
138 /// only once on the final string (just like convertLaTeXCommands).
139 /// a simple macro facility is also available. keys that look like
140 /// "%!key%" are substituted with their definition.
141 /// moreover, keys that look like "%_key%" are treated as translatable
142 /// so that things like "pp." and "vol." can be translated.
143 docstring expandFormat(docstring const & fmt,
144 BibTeXInfoList const xrefs, int & counter,
145 Buffer const & buf, CiteItem const & ci,
146 bool next = false, bool second = false) const;
147 /// true if from BibTeX; false if from bibliography environment
149 /// the BibTeX key for this entry
151 /// Number of occurences of the same key
153 /// the label that will appear in citations
154 /// this is easily set from bibliography environments, but has
155 /// to be calculated for entries we get from BibTeX
157 /// a single string containing all BibTeX data associated with this key
159 /// the BibTeX entry type (article, book, incollection, ...)
160 docstring entry_type_;
161 /// a cache for getInfo()
162 mutable docstring info_;
163 /// a cache for getInfo(richtext = true)
164 mutable docstring info_richtext_;
166 docstring cite_number_;
169 /// our map: <field, value>
170 std::map <docstring, docstring> bimap_;
174 /// Class to represent a collection of bibliographical data, whether
175 /// from BibTeX or from bibliography environments.
179 typedef std::vector<BibTeXInfo const *> BibTeXInfoList;
180 /// bibliography key --> data for that key
181 typedef std::map<docstring, BibTeXInfo>::const_iterator const_iterator;
182 /// Get a vector with all external data (crossref, xdata)
183 std::vector<docstring> const getXRefs(BibTeXInfo const & data,
184 bool const nested = false) const;
185 /// \return a sorted vector of bibliography keys
186 std::vector<docstring> const getKeys() const;
187 /// \return a sorted vector of present BibTeX fields
188 std::vector<docstring> const getFields() const;
189 /// \return a sorted vector of BibTeX entry types in use
190 std::vector<docstring> const getEntries() const;
191 /// \return author or editor list (abbreviated form by default)
192 docstring const getAuthorOrEditorList(docstring const & key, Buffer const & buf) const;
193 /// \return the year from the bibtex data record for \param key
194 /// if \param use_modifier is true, then we will also append any
195 /// modifier for this entry (e.g., 1998b).
196 /// If no legacy year field is present, check for date (common in
197 /// biblatex) and extract the year from there.
198 /// Note further that this will get the year from the crossref or xdata
199 /// if it's not present in the record itself.
200 docstring const getYear(docstring const & key,
201 bool use_modifier = false) const;
202 /// \return the year from the bibtex data record for \param key
203 /// if \param use_modifier is true, then we will also append any
204 /// modifier for this entry (e.g., 1998b).
205 /// If no legacy year field is present, check for date (common in
206 /// biblatex) and extract the year from there.
207 /// Note further that this will get the year from the crossref or xdata
208 /// if it's not present in the record itself.
209 /// If no year is found, \return "No year" translated to the buffer
211 docstring const getYear(docstring const & key, Buffer const & buf,
212 bool use_modifier = false) const;
214 docstring const getCiteNumber(docstring const & key) const;
215 /// \return formatted BibTeX data associated with a given key.
216 /// Empty if no info exists.
217 /// Note that this will retrieve data from the crossref or xdata as needed.
218 /// \param ci contains further context information, such as if it should
219 /// output any richtext tags marked in the citation format and escape < and >
220 /// elsewhere, and the general output context.
221 docstring const getInfo(docstring const & key, Buffer const & buf,
222 CiteItem const & ci) const;
223 /// \return formatted BibTeX data for citation labels.
224 /// Citation labels can have more than one key.
225 docstring const getLabel(std::vector<docstring> keys, Buffer const & buf,
226 std::string const & style, CiteItem const & ci) const;
227 /// Is this a reference from a bibtex database
228 /// or from a bibliography environment?
229 bool isBibtex(docstring const & key) const;
230 /// A vector holding a pair of lyx cite command and the respective
231 /// output for a given (list of) key(s).
232 typedef std::vector<std::pair<docstring,docstring>> CiteStringMap;
233 /// Translates the available citation styles into strings for a given
234 /// list of keys, using either numerical or author-year style depending
235 /// upon the active engine. The function returns a CiteStringMap with the first
236 /// element being the lyx cite command, the second being the formatted
237 /// citation reference.
238 CiteStringMap const getCiteStrings(
239 std::vector<docstring> const & keys,
240 std::vector<CitationStyle> const & styles, Buffer const & buf,
241 CiteItem const & ci) const;
242 /// A list of BibTeX keys cited in the current document, sorted by
243 /// the last name of the author.
244 /// Make sure you have called collectCitedEntries() before you try to
245 /// use this. You should probably call it just before you use this.
246 std::vector<docstring> const & citedEntries() const
247 { return cited_entries_; }
249 void makeCitationLabels(Buffer const & buf);
251 const_iterator begin() const { return bimap_.begin(); }
253 void clear() { bimap_.clear(); }
255 bool empty() const { return bimap_.empty(); }
257 const_iterator end() const { return bimap_.end(); }
259 const_iterator find(docstring const & f) const { return bimap_.find(f); }
261 void mergeBiblioInfo(BiblioInfo const & info);
263 BibTeXInfo & operator[](docstring const & f) { return bimap_[f]; }
265 void addFieldName(docstring const & f) { field_names_.insert(f); }
267 void addEntryType(docstring const & f) { entry_types_.insert(f); }
269 /// Collects the cited entries from buf.
270 void collectCitedEntries(Buffer const & buf);
272 std::set<docstring> field_names_;
274 std::set<docstring> entry_types_;
275 /// our map: keys --> BibTeXInfo
276 std::map<docstring, BibTeXInfo> bimap_;
277 /// a possibly sorted list of entries cited in our Buffer.
278 /// do not try to make this a vector<BibTeXInfo *> or anything of
279 /// the sort, because reloads will invalidate those pointers.
280 std::vector<docstring> cited_entries_;
285 #endif // BIBLIOINFO_H