lyx_mirror/src/BiblioInfo.h
Richard Heck b128f3de14 Fix bug #9131 for stable branch. The real problem lies
elsewhere, but it will require major surgery and, more
importantly, a file format change.
2014-05-23 11:01:07 -04:00

264 lines
10 KiB
C++

// -*- C++ -*-
/**
* \file BiblioInfo.h
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Angus Leeming
* \author Herbert Voß
* \author Richard Heck
* \author Julien Rioux
*
* Full author contact details are available in file CREDITS.
*/
#ifndef BIBLIOINFO_H
#define BIBLIOINFO_H
#include "support/docstring.h"
#include "Citation.h"
#include <map>
#include <set>
#include <vector>
namespace lyx {
class Buffer;
/// \param latex_str a LaTeX command, "cite", "Citep*", etc
CitationStyle citationStyleFromString(std::string const & latex_str);
/// the other way round
std::string citationStyleToString(CitationStyle const &);
/// Class to represent information about a BibTeX or
/// bibliography entry.
/// This class basically wraps a std::map, and many of its
/// methods simply delegate to the corresponding methods of
/// std::map.
class BibTeXInfo {
public:
/// The keys are BibTeX fields (e.g., author, title, etc),
/// and the values are the associated field values.
typedef std::map<docstring, docstring>::const_iterator const_iterator;
///
BibTeXInfo() : is_bibtex_(true), modifier_(0) {}
/// argument sets isBibTeX_, so should be false only if it's coming
/// from a bibliography environment
BibTeXInfo(bool ib) : is_bibtex_(ib), modifier_(0) {}
/// constructor that sets the entryType
BibTeXInfo(docstring const & key, docstring const & type);
/// \return the short form of an authorlist, used for sorting
docstring const getAbbreviatedAuthor(bool jurabib_style = false) const;
/// \return the short form of an authorlist, translated to the
/// buffer language.
docstring const getAbbreviatedAuthor(Buffer const & buf, bool jurabib_style = false) const;
///
docstring const getYear() const;
///
docstring const getXRef() const;
/// \return formatted BibTeX data suitable for framing.
/// \param pointer to crossref information
docstring const & getInfo(BibTeXInfo const * const xref,
Buffer const & buf, bool richtext) const;
/// \return formatted BibTeX data for a citation label
docstring const getLabel(BibTeXInfo const * const xref,
Buffer const & buf, docstring const & format, bool richtext,
const docstring & before, const docstring & after,
const docstring & dialog, bool next = false) const;
///
const_iterator find(docstring const & f) const { return bimap_.find(f); }
///
const_iterator end() const { return bimap_.end(); }
/// \return value for field f
/// note that this will create an empty field if it does not exist
docstring & operator[](docstring const & f)
{ return bimap_[f]; }
/// \return value for field f
/// this one, since it is const, will simply return docstring() if
/// we don't have the field and will NOT create an empty field
docstring const & operator[](docstring const & field) const;
///
docstring const & operator[](std::string const & field) const;
///
docstring const & allData() const { return all_data_; }
///
void setAllData(docstring const & d) { all_data_ = d; }
///
void label(docstring const & d) { label_= d; }
///
void key(docstring const & d) { bib_key_= d; }
///
docstring const & label() const { return label_; }
///
docstring const & key() const { return bib_key_; }
/// numerical key for citing this entry. currently used only
/// by XHTML output routines.
docstring citeNumber() const { return cite_number_; }
///
void setCiteNumber(docstring const & num) { cite_number_ = num; }
/// a,b,c, etc, for author-year. currently used only by XHTML
/// output routines.
char modifier() const { return modifier_; }
///
void setModifier(char c) { modifier_ = c; }
///
docstring entryType() const { return entry_type_; }
///
bool isBibTeX() const { return is_bibtex_; }
private:
/// like operator[], except, if the field is empty, it will attempt
/// to get the data from xref BibTeXInfo object, which would normally
/// be the one referenced in the crossref field.
docstring getValueForKey(std::string const & key, Buffer const & buf,
docstring const & before, docstring const & after, docstring const & dialog,
BibTeXInfo const * const xref, size_t maxsize = 4096) const;
/// replace %keys% in a format string with their values
/// called from getInfo()
/// format strings may contain:
/// %key%, which represents a key
/// {%key%[[format]]}, which prints format if key is non-empty
/// the latter may optionally contain an `else' clause as well:
/// {%key%[[if format]][[else format]]}
/// Material intended only for rich text (HTML) output should be
/// wrapped in "{!" and "!}". These markers are to be postprocessed
/// by processRichtext(); this step is left as a separate routine since
/// expandFormat() is recursive while postprocessing should be done
/// only once on the final string (just like convertLaTeXCommands).
/// a simple macro facility is also available. keys that look like
/// "%!key%" are substituted with their definition.
/// moreover, keys that look like "%_key%" are treated as translatable
/// so that things like "pp." and "vol." can be translated.
docstring expandFormat(docstring const & fmt,
BibTeXInfo const * const xref, int & counter,
Buffer const & buf, docstring before = docstring(),
docstring after = docstring(), docstring dialog = docstring(),
bool next = false) const;
/// true if from BibTeX; false if from bibliography environment
bool is_bibtex_;
/// the BibTeX key for this entry
docstring bib_key_;
/// the label that will appear in citations
/// this is easily set from bibliography environments, but has
/// to be calculated for entries we get from BibTeX
docstring label_;
/// a single string containing all BibTeX data associated with this key
docstring all_data_;
/// the BibTeX entry type (article, book, incollection, ...)
docstring entry_type_;
/// a cache for getInfo()
mutable docstring info_;
/// a cache for getInfo(richtext = true)
mutable docstring info_richtext_;
///
docstring cite_number_;
///
char modifier_;
/// our map: <field, value>
std::map <docstring, docstring> bimap_;
};
/// Class to represent a collection of bibliographical data, whether
/// from BibTeX or from bibliography environments.
class BiblioInfo {
public:
/// bibliography key --> data for that key
typedef std::map<docstring, BibTeXInfo>::const_iterator const_iterator;
/// \return a sorted vector of bibliography keys
std::vector<docstring> const getKeys() const;
/// \return a sorted vector of present BibTeX fields
std::vector<docstring> const getFields() const;
/// \return a sorted vector of BibTeX entry types in use
std::vector<docstring> const getEntries() const;
/// \return the short form of an authorlist
docstring const getAbbreviatedAuthor(docstring const & key, Buffer const & buf) const;
/// \return the year from the bibtex data record for \param key
/// if \param use_modifier is true, then we will also append any
/// modifier for this entry (e.g., 1998b).
/// Note that this will get the year from the crossref if it's
/// not present in the record itself.
docstring const getYear(docstring const & key,
bool use_modifier = false) const;
/// \return the year from the bibtex data record for \param key
/// if \param use_modifier is true, then we will also append any
/// modifier for this entry (e.g., 1998b).
/// Note that this will get the year from the crossref if it's
/// not present in the record itself.
/// If no year is found, \return "No year" translated to the buffer
/// language.
docstring const getYear(docstring const & key, Buffer const & buf,
bool use_modifier = false) const;
///
docstring const getCiteNumber(docstring const & key) const;
/// \return formatted BibTeX data associated with a given key.
/// Empty if no info exists.
/// Note that this will retrieve data from the crossref as needed.
/// If \param richtext is true, then it will output any richtext tags
/// marked in the citation format and escape < and > elsewhere.
docstring const getInfo(docstring const & key, Buffer const & buf,
bool richtext = false) const;
/// \return formatted BibTeX data for citation labels.
/// Citation labels can have more than one key.
docstring const getLabel(std::vector<docstring> keys,
Buffer const & buf, std::string const & style, bool for_xhtml,
size_t max_size, docstring const & before, docstring const & after,
docstring const & dialog = docstring()) const;
/// Is this a reference from a bibtex database
/// or from a bibliography environment?
bool isBibtex(docstring const & key) const;
/// Translates the available citation styles into strings for a given
/// list of keys, using either numerical or author-year style depending
/// upon the active engine.
std::vector<docstring> const getCiteStrings(std::vector<docstring> const & keys,
std::vector<CitationStyle> const & styles, Buffer const & buf,
docstring const & before, docstring const & after, docstring const & dialog,
size_t max_size) const;
/// Collects the cited entries from buf.
void collectCitedEntries(Buffer const & buf);
/// A list of BibTeX keys cited in the current document, sorted by
/// the last name of the author.
/// Make sure you have called collectCitedEntries() before you try to
/// use this. You should probably call it just before you use this.
std::vector<docstring> const & citedEntries() const
{ return cited_entries_; }
///
void makeCitationLabels(Buffer const & buf);
///
const_iterator begin() const { return bimap_.begin(); }
///
void clear() { bimap_.clear(); }
///
bool empty() const { return bimap_.empty(); }
///
const_iterator end() const { return bimap_.end(); }
///
const_iterator find(docstring const & f) const { return bimap_.find(f); }
///
void mergeBiblioInfo(BiblioInfo const & info);
///
BibTeXInfo & operator[](docstring const & f) { return bimap_[f]; }
///
void addFieldName(docstring const & f) { field_names_.insert(f); }
///
void addEntryType(docstring const & f) { entry_types_.insert(f); }
private:
///
std::set<docstring> field_names_;
///
std::set<docstring> entry_types_;
/// our map: keys --> BibTeXInfo
std::map<docstring, BibTeXInfo> bimap_;
/// a possibly sorted list of entries cited in our Buffer.
/// do not try to make this a vector<BibTeXInfo *> or anything of
/// the sort, because reloads will invalidate those pointers.
std::vector<docstring> cited_entries_;
};
} // namespace lyx
#endif // BIBLIOINFO_H