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), 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), modifier_(0) {}
56 /// constructor that sets the entryType
57 BibTeXInfo(docstring const & key, docstring const & type);
58 /// \return the short form of an authorlist, used for sorting
59 /// this will be translated to the UI language if buf is null
60 /// otherwise, it will be translated to the buffer language.
61 docstring const getAbbreviatedAuthor(
62 Buffer const * buf = 0, bool jurabib_style = false) const;
64 docstring const getYear() const;
65 /// \return formatted BibTeX data suitable for framing.
66 /// \param vector of pointers to crossref/xdata information
67 docstring const & getInfo(BibTeXInfoList const xrefs,
68 Buffer const & buf, CiteItem const & ci) const;
69 /// \return formatted BibTeX data for a citation label
70 docstring const getLabel(BibTeXInfoList const xrefs,
71 Buffer const & buf, docstring const & format,
72 CiteItem const & ci, bool next = false, bool second = false) const;
74 const_iterator find(docstring const & f) const { return bimap_.find(f); }
76 const_iterator end() const { return bimap_.end(); }
77 /// \return value for field f
78 /// note that this will create an empty field if it does not exist
79 docstring & operator[](docstring const & f)
81 /// \return value for field f
82 /// this one, since it is const, will simply return docstring() if
83 /// we don't have the field and will NOT create an empty field
84 docstring const & operator[](docstring const & field) const;
86 docstring const & operator[](std::string const & field) const;
88 docstring const & allData() const { return all_data_; }
90 void setAllData(docstring const & d) { all_data_ = d; }
92 void label(docstring const & d) { label_= d; }
94 void key(docstring const & d) { bib_key_= d; }
96 docstring const & label() const { return label_; }
98 docstring const & key() const { return bib_key_; }
99 /// numerical key for citing this entry. currently used only
100 /// by XHTML output routines.
101 docstring citeNumber() const { return cite_number_; }
103 void setCiteNumber(docstring const & num) { cite_number_ = num; }
104 /// a,b,c, etc, for author-year. currently used only by XHTML
106 char modifier() const { return modifier_; }
108 void setModifier(char c) { modifier_ = c; }
110 docstring entryType() const { return entry_type_; }
112 bool isBibTeX() const { return is_bibtex_; }
114 /// like operator[], except, if the field is empty, it will attempt
115 /// to get the data from xref BibTeXInfo objects, which would normally
116 /// be the one referenced in the crossref or xdata field.
117 docstring getValueForKey(std::string const & key, Buffer const & buf,
118 CiteItem const & ci, BibTeXInfoList const xrefs, size_t maxsize = 4096) const;
119 /// replace %keys% in a format string with their values
120 /// called from getInfo()
121 /// format strings may contain:
122 /// %key%, which represents a key
123 /// {%key%[[format]]}, which prints format if key is non-empty
124 /// the latter may optionally contain an `else' clause as well:
125 /// {%key%[[if format]][[else format]]}
126 /// Material intended only for rich text (HTML) output should be
127 /// wrapped in "{!" and "!}". These markers are to be postprocessed
128 /// by processRichtext(); this step is left as a separate routine since
129 /// expandFormat() is recursive while postprocessing should be done
130 /// only once on the final string (just like convertLaTeXCommands).
131 /// a simple macro facility is also available. keys that look like
132 /// "%!key%" are substituted with their definition.
133 /// moreover, keys that look like "%_key%" are treated as translatable
134 /// so that things like "pp." and "vol." can be translated.
135 docstring expandFormat(docstring const & fmt,
136 BibTeXInfoList const xrefs, int & counter,
137 Buffer const & buf, CiteItem const & ci,
138 bool next = false, bool second = false) const;
139 /// true if from BibTeX; false if from bibliography environment
141 /// the BibTeX key for this entry
143 /// the label that will appear in citations
144 /// this is easily set from bibliography environments, but has
145 /// to be calculated for entries we get from BibTeX
147 /// a single string containing all BibTeX data associated with this key
149 /// the BibTeX entry type (article, book, incollection, ...)
150 docstring entry_type_;
151 /// a cache for getInfo()
152 mutable docstring info_;
153 /// a cache for getInfo(richtext = true)
154 mutable docstring info_richtext_;
156 docstring cite_number_;
159 /// our map: <field, value>
160 std::map <docstring, docstring> bimap_;
164 /// Class to represent a collection of bibliographical data, whether
165 /// from BibTeX or from bibliography environments.
169 typedef std::vector<BibTeXInfo const *> BibTeXInfoList;
170 /// bibliography key --> data for that key
171 typedef std::map<docstring, BibTeXInfo>::const_iterator const_iterator;
172 /// Get a vector with all external data (crossref, xdata)
173 std::vector<docstring> const getXRefs(BibTeXInfo const & data,
174 bool const nested = false) const;
175 /// \return a sorted vector of bibliography keys
176 std::vector<docstring> const getKeys() const;
177 /// \return a sorted vector of present BibTeX fields
178 std::vector<docstring> const getFields() const;
179 /// \return a sorted vector of BibTeX entry types in use
180 std::vector<docstring> const getEntries() const;
181 /// \return the short form of an authorlist
182 docstring const getAbbreviatedAuthor(docstring const & key, Buffer const & buf) const;
183 /// \return the year from the bibtex data record for \param key
184 /// if \param use_modifier is true, then we will also append any
185 /// modifier for this entry (e.g., 1998b).
186 /// If no legacy year field is present, check for date (common in
187 /// biblatex) and extract the year from there.
188 /// Note further that this will get the year from the crossref or xdata
189 /// if it's not present in the record itself.
190 docstring const getYear(docstring const & key,
191 bool use_modifier = false) const;
192 /// \return the year from the bibtex data record for \param key
193 /// if \param use_modifier is true, then we will also append any
194 /// modifier for this entry (e.g., 1998b).
195 /// If no legacy year field is present, check for date (common in
196 /// biblatex) and extract the year from there.
197 /// Note further that this will get the year from the crossref or xdata
198 /// if it's not present in the record itself.
199 /// If no year is found, \return "No year" translated to the buffer
201 docstring const getYear(docstring const & key, Buffer const & buf,
202 bool use_modifier = false) const;
204 docstring const getCiteNumber(docstring const & key) const;
205 /// \return formatted BibTeX data associated with a given key.
206 /// Empty if no info exists.
207 /// Note that this will retrieve data from the crossref or xdata as needed.
208 /// \param ci contains further context information, such as if it should
209 /// output any richtext tags marked in the citation format and escape < and >
210 /// elsewhere, and the general output context.
211 docstring const getInfo(docstring const & key, Buffer const & buf,
212 CiteItem const & ci) const;
213 /// \return formatted BibTeX data for citation labels.
214 /// Citation labels can have more than one key.
215 docstring const getLabel(std::vector<docstring> keys, Buffer const & buf,
216 std::string const & style, CiteItem const & ci) const;
217 /// Is this a reference from a bibtex database
218 /// or from a bibliography environment?
219 bool isBibtex(docstring const & key) const;
220 /// Translates the available citation styles into strings for a given
221 /// list of keys, using either numerical or author-year style depending
222 /// upon the active engine.
223 std::vector<docstring> const getCiteStrings(std::vector<docstring> const & keys,
224 std::vector<CitationStyle> const & styles, Buffer const & buf,
225 CiteItem const & ci) const;
226 /// A list of BibTeX keys cited in the current document, sorted by
227 /// the last name of the author.
228 /// Make sure you have called collectCitedEntries() before you try to
229 /// use this. You should probably call it just before you use this.
230 std::vector<docstring> const & citedEntries() const
231 { return cited_entries_; }
233 void makeCitationLabels(Buffer const & buf);
235 const_iterator begin() const { return bimap_.begin(); }
237 void clear() { bimap_.clear(); }
239 bool empty() const { return bimap_.empty(); }
241 const_iterator end() const { return bimap_.end(); }
243 const_iterator find(docstring const & f) const { return bimap_.find(f); }
245 void mergeBiblioInfo(BiblioInfo const & info);
247 BibTeXInfo & operator[](docstring const & f) { return bimap_[f]; }
249 void addFieldName(docstring const & f) { field_names_.insert(f); }
251 void addEntryType(docstring const & f) { entry_types_.insert(f); }
253 /// Collects the cited entries from buf.
254 void collectCitedEntries(Buffer const & buf);
256 std::set<docstring> field_names_;
258 std::set<docstring> entry_types_;
259 /// our map: keys --> BibTeXInfo
260 std::map<docstring, BibTeXInfo> bimap_;
261 /// a possibly sorted list of entries cited in our Buffer.
262 /// do not try to make this a vector<BibTeXInfo *> or anything of
263 /// the sort, because reloads will invalidate those pointers.
264 std::vector<docstring> cited_entries_;
269 #endif // BIBLIOINFO_H