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305 lines
13 KiB
C++
305 lines
13 KiB
C++
// -*- C++ -*-
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/**
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* \file BiblioInfo.h
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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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* \author Richard Kimberly Heck
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* \author Julien Rioux
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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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#ifndef BIBLIOINFO_H
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#define BIBLIOINFO_H
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#include "support/docstring.h"
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#include <map>
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#include <set>
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#include <vector>
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namespace lyx {
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class Buffer;
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class BufferParams;
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class CitationStyle;
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class CiteItem;
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class XMLStream;
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/// \param latex_str a LaTeX command, "cite", "Citep*", etc
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CitationStyle citationStyleFromString(std::string const & latex_str,
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BufferParams const &);
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/// the other way round
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std::string citationStyleToString(CitationStyle const &, bool const latex = false);
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/// Transforms the information about authors into a <authorgroup> (directly written to a XMLStream).
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/// Type: "author" or empty means author of the entry (article, book, etc.); "book" means author of the book
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/// (but not necessarily of this entry in particular).
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void authorsToDocBookAuthorGroup(docstring const & authorsString, XMLStream & xs, Buffer const & buf,
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std::string type);
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/// Class to represent information about a BibTeX or
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/// bibliography entry.
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/// This class basically wraps a std::map, and many of its
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/// methods simply delegate to the corresponding methods of
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/// std::map.
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class BibTeXInfo {
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public:
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/// The keys are BibTeX fields (e.g., author, title, etc),
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/// and the values are the associated field values.
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typedef std::map<docstring, docstring>::const_iterator const_iterator;
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///
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typedef std::vector<BibTeXInfo const *> const BibTeXInfoList;
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///
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BibTeXInfo() : is_bibtex_(true), num_bib_key_(0), modifier_(0) {}
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/// argument sets isBibTeX_, so should be false only if it's coming
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/// from a bibliography environment
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BibTeXInfo(bool ib) : is_bibtex_(ib), num_bib_key_(0), modifier_(0) {}
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/// constructor that sets the entryType
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BibTeXInfo(docstring const & key, docstring const & type);
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/// \return an author or editor list (short form by default),
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/// used for sorting.
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/// This will be translated to the UI language if buf is null
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/// otherwise, it will be translated to the buffer language.
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docstring const getAuthorOrEditorList(Buffer const * buf = nullptr,
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size_t const max_key_size = 128,
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bool amp = false, bool full = false, bool forceshort = false) const;
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/// Same for a specific author role (editor, author etc.)
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docstring const getAuthorList(Buffer const * buf, docstring const & author, size_t const max_key_size,
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bool const amp = false, bool const full = false, bool const forceshort = false,
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bool const allnames = false, bool const beginning = true) const;
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///
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docstring const getYear() const;
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///
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void getLocators(docstring & doi, docstring & url, docstring & file) const;
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/// \return formatted BibTeX data suitable for framing.
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/// \param vector of pointers to crossref/xdata information
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docstring const & getInfo(BibTeXInfoList const & xrefs,
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Buffer const & buf, CiteItem const & ci,
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docstring const & format = docstring(),
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bool const for_xhtml = false) const;
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/// \return formatted BibTeX data for a citation label
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docstring const getLabel(BibTeXInfoList const & xrefs,
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Buffer const & buf, docstring const & format,
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CiteItem const & ci, bool next = false, bool second = false) const;
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///
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const_iterator find(docstring const & f) const { return bimap_.find(f); }
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///
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const_iterator end() const { return bimap_.end(); }
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/// \return value for field f
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/// note that this will create an empty field if it does not exist
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docstring & operator[](docstring const & f)
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{ return bimap_[f]; }
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/// \return value for field f
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/// this one, since it is const, will simply return docstring() if
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/// we don't have the field and will NOT create an empty field
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docstring const & operator[](docstring const & field) const;
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///
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docstring const & operator[](std::string const & field) const;
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///
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docstring const & allData() const { return all_data_; }
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///
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void setAllData(docstring const & d) { all_data_ = d; }
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///
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void label(docstring const & d) { label_= d; }
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///
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void key(docstring const & d) { bib_key_= d; }
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/// Record the number of occurences of the same key
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/// (duplicates are allowed with qualified citation lists)
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void numKey(int const i) { num_bib_key_ = i; }
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///
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docstring const & label() const { return label_; }
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///
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docstring const & key() const { return bib_key_; }
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/// numerical key for citing this entry. currently used only
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/// by XHTML output routines.
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docstring citeNumber() const { return cite_number_; }
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///
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void setCiteNumber(docstring const & num) { cite_number_ = num; }
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/// a,b,c, etc, for author-year. currently used only by XHTML
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/// output routines.
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char modifier() const { return modifier_; }
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///
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void setModifier(char c) { modifier_ = c; }
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///
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docstring entryType() const { return entry_type_; }
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///
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bool isBibTeX() const { return is_bibtex_; }
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private:
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/// like operator[], except, if the field is empty, it will attempt
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/// to get the data from xref BibTeXInfo objects, which would normally
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/// be the one referenced in the crossref or xdata field.
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docstring getValueForKey(std::string const & key, Buffer const & buf,
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CiteItem const & ci, BibTeXInfoList const & xrefs, size_t maxsize = 4096) const;
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/// replace %keys% in a format string with their values
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/// called from getInfo()
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/// format strings may contain:
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/// %key%, which represents a key
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/// {%key%[[format]]}, which prints format if key is non-empty
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/// the latter may optionally contain an `else' clause as well:
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/// {%key%[[if format]][[else format]]}
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/// Material intended only for rich text (HTML) output should be
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/// wrapped in "{!" and "!}". These markers are to be postprocessed
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/// by processRichtext(); this step is left as a separate routine since
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/// expandFormat() is recursive while postprocessing should be done
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/// only once on the final string (just like convertLaTeXCommands).
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/// a simple macro facility is also available. keys that look like
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/// "%!key%" are substituted with their definition.
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/// moreover, keys that look like "%_key%" are treated as translatable
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/// so that things like "pp." and "vol." can be translated.
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docstring expandFormat(docstring const & fmt,
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BibTeXInfoList const & xrefs, int & counter,
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Buffer const & buf, CiteItem const & ci,
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bool next = false, bool second = false) const;
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/// true if from BibTeX; false if from bibliography environment
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bool is_bibtex_;
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/// the BibTeX key for this entry
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docstring bib_key_;
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/// Number of occurences of the same key
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int num_bib_key_;
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/// the label that will appear in citations
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/// this is easily set from bibliography environments, but has
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/// to be calculated for entries we get from BibTeX
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docstring label_;
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/// a single string containing all BibTeX data associated with this key
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docstring all_data_;
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/// the BibTeX entry type (article, book, incollection, ...)
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docstring entry_type_;
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/// a cache for getInfo()
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mutable docstring info_;
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/// a cache for getInfo(richtext = true)
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mutable docstring info_richtext_;
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/// cache for last format pattern
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mutable docstring format_;
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///
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docstring cite_number_;
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///
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char modifier_;
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/// our map: <field, value>
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std::map <docstring, docstring> bimap_;
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};
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/// Class to represent a collection of bibliographical data, whether
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/// from BibTeX or from bibliography environments.
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class BiblioInfo {
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public:
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///
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typedef std::vector<BibTeXInfo const *> BibTeXInfoList;
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/// bibliography key --> data for that key
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typedef std::map<docstring, BibTeXInfo>::const_iterator const_iterator;
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/// Get a vector with all external data (crossref, xdata)
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std::vector<docstring> const getXRefs(BibTeXInfo const & data,
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bool const nested = false) const;
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/// \return a sorted vector of bibliography keys
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std::vector<docstring> const getKeys() const;
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/// \return a sorted vector of present BibTeX fields
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std::vector<docstring> const getFields() const;
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/// \return a sorted vector of BibTeX entry types in use
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std::vector<docstring> const getEntries() const;
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/// \return author or editor list (abbreviated form by default)
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docstring const getAuthorOrEditorList(docstring const & key, Buffer const & buf,
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size_t const max_key_size) const;
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/// \return the year from the bibtex data record for \param key
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/// if \param use_modifier is true, then we will also append any
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/// modifier for this entry (e.g., 1998b).
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/// If no legacy year field is present, check for date (common in
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/// biblatex) and extract the year from there.
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/// Note further that this will get the year from the crossref or xdata
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/// if it's not present in the record itself.
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docstring const getYear(docstring const & key,
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bool use_modifier = false) const;
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/// \return the year from the bibtex data record for \param key
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/// if \param use_modifier is true, then we will also append any
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/// modifier for this entry (e.g., 1998b).
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/// If no legacy year field is present, check for date (common in
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/// biblatex) and extract the year from there.
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/// Note further that this will get the year from the crossref or xdata
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/// if it's not present in the record itself.
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/// If no year is found, \return "No year" translated to the buffer
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/// language.
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docstring const getYear(docstring const & key, Buffer const & buf,
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bool use_modifier = false) const;
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/// get either local pdf or web location of the citation referenced by key.
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/// DOI/file are prefixed so they form proper URL for generic qt handler
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void getLocators(docstring const & key, docstring & doi, docstring & url, docstring & file) const;
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///
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docstring const getCiteNumber(docstring const & key) const;
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/// \return formatted BibTeX data associated with a given key.
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/// Empty if no info exists.
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/// Note that this will retrieve data from the crossref or xdata as needed.
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/// \param ci contains further context information, such as if it should
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/// output any richtext tags marked in the citation format and escape < and >
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/// elsewhere, and the general output context.
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docstring const getInfo(docstring const & key, Buffer const & buf,
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CiteItem const & ci, docstring const & format = docstring(),
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bool const for_xhtml = false) const;
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/// \return formatted BibTeX data for citation labels.
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/// Citation labels can have more than one key.
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docstring const getLabel(std::vector<docstring> keys, Buffer const & buf,
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std::string const & style, CiteItem const & ci) const;
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/// Is this a reference from a bibtex database
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/// or from a bibliography environment?
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bool isBibtex(docstring const & key) const;
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/// A vector holding a pair of lyx cite command and the respective
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/// output for a given (list of) key(s).
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typedef std::vector<std::pair<docstring,docstring>> CiteStringMap;
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/// Translates the available citation styles into strings for a given
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/// list of keys, using either numerical or author-year style depending
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/// upon the active engine. The function returns a CiteStringMap with the first
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/// element being the lyx cite command, the second being the formatted
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/// citation reference.
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CiteStringMap const getCiteStrings(
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std::vector<docstring> const & keys,
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std::vector<CitationStyle> const & styles, Buffer const & buf,
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CiteItem const & ci) const;
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/// A list of BibTeX keys cited in the current document, sorted by
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/// the last name of the author.
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/// Make sure you have called collectCitedEntries() before you try to
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/// use this. You should probably call it just before you use this.
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std::vector<docstring> const & citedEntries() const
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{ return cited_entries_; }
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///
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void makeCitationLabels(Buffer const & buf);
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///
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const_iterator begin() const { return bimap_.begin(); }
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///
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void clear() { bimap_.clear(); }
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///
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bool empty() const { return bimap_.empty(); }
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///
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const_iterator end() const { return bimap_.end(); }
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///
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const_iterator find(docstring const & f) const { return bimap_.find(f); }
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///
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void mergeBiblioInfo(BiblioInfo const & info);
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///
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BibTeXInfo & operator[](docstring const & f) { return bimap_[f]; }
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///
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void addFieldName(docstring const & f) { field_names_.insert(f); }
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///
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void addEntryType(docstring const & f) { entry_types_.insert(f); }
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private:
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/// Collects the cited entries from buf.
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void collectCitedEntries(Buffer const & buf);
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///
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std::set<docstring> field_names_;
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///
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std::set<docstring> entry_types_;
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/// our map: keys --> BibTeXInfo
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std::map<docstring, BibTeXInfo> bimap_;
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/// a possibly sorted list of entries cited in our Buffer.
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/// do not try to make this a vector<BibTeXInfo *> or anything of
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/// the sort, because reloads will invalidate those pointers.
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std::vector<docstring> cited_entries_;
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};
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} // namespace lyx
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#endif // BIBLIOINFO_H
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