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https://git.lyx.org/repos/lyx.git
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6894fa6008
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@4948 a592a061-630c-0410-9148-cb99ea01b6c8
590 lines
13 KiB
C++
590 lines
13 KiB
C++
// -*- C++ -*-
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/* This file is part of
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* ======================================================
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*
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* LyX, The Document Processor
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* Copyright 1995 Matthias Ettrich
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*
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* This file is Copyleft 1996
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* Lars Gullik Bjønnes
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*
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* ====================================================== */
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#ifndef BUFFER_H
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#define BUFFER_H
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#ifdef __GNUG__
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#pragma interface
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#endif
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#include "LString.h"
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#include "undo.h"
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#include "support/limited_stack.h"
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#include "lyxvc.h"
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#include "bufferparams.h"
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#include "texrow.h"
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#include "ParagraphList.h"
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#include "paragraph.h"
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#include <boost/scoped_ptr.hpp>
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#include <boost/shared_ptr.hpp>
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class BufferView;
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class Counters;
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class LyXRC;
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class TeXErrors;
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class LaTeXFeatures;
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class Language;
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class ParIterator;
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#define NO_COMPABILITY 1
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///
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struct DEPCLEAN {
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///
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bool clean;
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///
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string master;
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///
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DEPCLEAN * next;
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};
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/** The buffer object.
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This is the buffer object. It contains all the informations about
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a document loaded into LyX. I am not sure if the class is complete or
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minimal, probably not.
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\author Lars Gullik Bjønnes
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*/
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class Buffer {
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public:
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/// What type of log will \c getLogName() return?
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enum LogType {
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latexlog, ///< LaTeX log
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buildlog ///< Literate build log
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};
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/** Constructor
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\param file
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\param b optional \c false by default
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*/
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explicit Buffer(string const & file, bool b = false);
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/// Destructor
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~Buffer();
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/** High-level interface to buffer functionality.
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This function parses a command string and executes it
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*/
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bool dispatch(string const & command, bool * result = 0);
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/// Maybe we know the function already by number...
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bool dispatch(int ac, string const & argument, bool * result = 0);
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///
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void resizeInsets(BufferView *);
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/// Update window titles of all users.
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void updateTitles() const;
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/// Reset autosave timers for all users.
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void resetAutosaveTimers() const;
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/** Adds the BufferView to the users list.
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Later this func will insert the \c BufferView into a real list,
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not just setting a pointer.
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*/
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void addUser(BufferView * u);
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/** Removes the #BufferView# from the users list.
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Since we only can have one at the moment, we just reset it.
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*/
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void delUser(BufferView *);
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///
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void redraw();
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/// Load the autosaved file.
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void loadAutoSaveFile();
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/** Reads a file.
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\param par if != 0 insert the file.
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\return \c false if method fails.
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*/
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bool readFile(LyXLex &, Paragraph * par = 0);
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/** Reads a file without header.
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\param par if != 0 insert the file.
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\return \c false if file is not completely read.
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*/
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bool readLyXformat2(LyXLex &, Paragraph * par = 0);
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/// This parses a single LyXformat-Token.
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bool parseSingleLyXformat2Token(LyXLex &, Paragraph *& par,
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Paragraph *& return_par,
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string const & token, int & pos,
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Paragraph::depth_type & depth,
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LyXFont &);
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///
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void insertStringAsLines(Paragraph *&, lyx::pos_type &,
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LyXFont const &, string const &) const;
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#ifndef NO_COMPABILITY
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///
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Inset * isErtInset(Paragraph * par, int pos) const;
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///
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void insertErtContents(Paragraph * par, int & pos,
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bool set_inactive = true);
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#endif
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///
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Paragraph * getParFromID(int id) const;
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private:
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/// Parse a single inset.
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void readInset(LyXLex &, Paragraph *& par, int & pos, LyXFont &);
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public:
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/** Save file.
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Takes care of auto-save files and backup file if requested.
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Returns \c true if the save is successful, \c false otherwise.
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*/
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bool save() const;
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/// Write file. Returns \c false if unsuccesful.
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bool writeFile(string const &) const;
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///
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void writeFileAscii(string const & , int);
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///
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void writeFileAscii(std::ostream &, int);
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///
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string const asciiParagraph(Paragraph const *, unsigned int linelen,
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bool noparbreak = false) const;
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/// Just a wrapper for the method below, first creating the ofstream.
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void makeLaTeXFile(string const & filename,
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string const & original_path,
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bool nice,
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bool only_body = false,
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bool only_preamble = false);
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///
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void makeLaTeXFile(std::ostream & os,
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string const & original_path,
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bool nice,
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bool only_body = false,
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bool only_preamble = false);
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/** LaTeX all paragraphs from par to endpar.
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\param \a endpar if == 0 then to the end
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*/
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void latexParagraphs(std::ostream & os, Paragraph * par,
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Paragraph * endpar, TexRow & texrow, bool moving_arg = false) const;
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///
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void simpleDocBookOnePar(std::ostream &,
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Paragraph * par, int & desc_on,
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Paragraph::depth_type depth) const ;
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///
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void simpleLinuxDocOnePar(std::ostream & os, Paragraph * par,
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Paragraph::depth_type depth);
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///
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void makeLinuxDocFile(string const & filename,
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bool nice, bool only_body = false);
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///
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void makeDocBookFile(string const & filename,
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bool nice, bool only_body = false);
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/// Open SGML/XML tag.
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int sgmlOpenTag(std::ostream & os, Paragraph::depth_type depth, bool mixcont,
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string const & latexname) const;
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/// Closes SGML/XML tag.
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int sgmlCloseTag(std::ostream & os, Paragraph::depth_type depth, bool mixcont,
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string const & latexname) const;
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///
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void sgmlError(Paragraph * par, int pos, string const & message) const;
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/// returns the main language for the buffer (document)
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Language const * getLanguage() const;
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///
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int runChktex();
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/// return true if the main lyx file does not need saving
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bool isClean() const;
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///
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bool isBakClean() const;
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///
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bool isDepClean(string const & name) const;
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/// mark the main lyx file as not needing saving
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void markClean() const;
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///
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void markBakClean();
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///
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void markDepClean(string const & name);
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///
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void setUnnamed(bool flag = true);
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///
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bool isUnnamed();
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/// Mark this buffer as dirty.
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void markDirty();
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/// Returns the buffer's filename. It is always an absolute path.
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string const & fileName() const;
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/// Returns the the path where the buffer lives.
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/// It is always an absolute path.
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string const & filePath() const;
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/** A transformed version of the file name, adequate for LaTeX.
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\param no_path optional if \c true then the path is stripped.
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*/
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string const getLatexName(bool no_path = true) const;
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/// Get the name and type of the log.
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std::pair<LogType, string> const getLogName() const;
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/// Change name of buffer. Updates "read-only" flag.
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void setFileName(string const & newfile);
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/// Name of the document's parent
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void setParentName(string const &);
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/// Is buffer read-only?
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bool isReadonly() const;
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/// Set buffer read-only flag
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void setReadonly(bool flag = true);
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/// returns \c true if the buffer contains a LaTeX document
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bool isLatex() const;
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/// returns \c true if the buffer contains a LinuxDoc document
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bool isLinuxDoc() const;
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/// returns \c true if the buffer contains a DocBook document
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bool isDocBook() const;
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/** returns \c true if the buffer contains either a LinuxDoc
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or DocBook document */
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bool isSGML() const;
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/// returns \c true if the buffer contains a Wed document
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bool isLiterate() const;
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/** Validate a buffer for LaTeX.
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This validates the buffer, and returns a struct for use by
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#makeLaTeX# and others. Its main use is to figure out what
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commands and packages need to be included in the LaTeX file.
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It (should) also check that the needed constructs are there
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(i.e. that the \refs points to coresponding \labels). It
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should perhaps inset "error" insets to help the user correct
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obvious mistakes.
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*/
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void validate(LaTeXFeatures &) const;
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///
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string const getIncludeonlyList(char delim = ',');
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///
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std::vector<std::pair<string, string> > const getBibkeyList() const;
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///
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std::vector<string> const getLabelList() const;
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/** This will clearly have to change later. Later we can have more
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than one user per buffer. */
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BufferView * getUser() const;
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///
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void changeLanguage(Language const * from, Language const * to);
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///
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bool isMultiLingual();
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/// Does this mean that this is buffer local?
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limited_stack<boost::shared_ptr<Undo> > undostack;
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/// Does this mean that this is buffer local?
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limited_stack<boost::shared_ptr<Undo> > redostack;
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///
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BufferParams params;
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/** The list of paragraphs.
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This is a linked list of paragraph, this list holds the
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whole contents of the document.
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*/
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ParagraphList paragraphs;
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/// LyX version control object.
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LyXVC lyxvc;
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/// Where to put temporary files.
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string tmppath;
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/** If we are writing a nice LaTeX file or not.
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While writing as LaTeX, tells whether we are
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doing a 'nice' LaTeX file */
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bool niceFile;
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/// Used when typesetting to place errorboxes.
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TexRow texrow;
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/// Buffer-wide counter array
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Counters & counters() const;
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private:
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/// is save needed
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mutable bool lyx_clean;
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/// is autosave needed
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mutable bool bak_clean;
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/// is this a unnamed file (New...)
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bool unnamed;
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/// is regenerating #.tex# necessary
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DEPCLEAN * dep_clean;
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/// buffer is r/o
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bool read_only;
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/// name of the file the buffer is associated with.
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string filename_;
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/// The path to the document file.
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string filepath_;
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/// Format number of buffer
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int file_format;
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/** A list of views using this buffer.
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Why not keep a list of the BufferViews that use this buffer?
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At least then we don't have to do a lot of magic like:
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#buffer->lyx_gui->bufferview->updateLayoutChoice#. Just ask each
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of the buffers in the list of users to do a #updateLayoutChoice#.
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*/
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BufferView * users;
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/// The pointer is const although its contents may not be
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boost::scoped_ptr<Counters> const ctrs;
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public:
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///
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class inset_iterator {
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public:
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typedef std::input_iterator_tag iterator_category;
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typedef Inset value_type;
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typedef ptrdiff_t difference_type;
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typedef Inset * pointer;
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typedef Inset & reference;
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///
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inset_iterator() : par(0) /*, it(0)*/ {}
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//
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inset_iterator(Paragraph * paragraph) : par(paragraph) {
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setParagraph();
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}
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///
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inset_iterator(Paragraph * paragraph, lyx::pos_type pos);
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///
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inset_iterator & operator++() { // prefix ++
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if (par) {
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++it;
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if (it == par->insetlist.end()) {
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par = par->next();
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setParagraph();
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}
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}
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return *this;
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}
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///
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inset_iterator operator++(int) { // postfix ++
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inset_iterator tmp(par, it.getPos());
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if (par) {
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++it;
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if (it == par->insetlist.end()) {
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par = par->next();
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setParagraph();
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}
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}
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return tmp;
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}
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///
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Inset * operator*() { return it.getInset(); }
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///
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Paragraph * getPar() { return par; }
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///
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lyx::pos_type getPos() const { return it.getPos(); }
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///
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friend
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bool operator==(inset_iterator const & iter1,
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inset_iterator const & iter2);
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private:
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///
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void setParagraph();
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///
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Paragraph * par;
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///
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InsetList::iterator it;
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};
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///
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inset_iterator inset_iterator_begin() {
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return inset_iterator(&*paragraphs.begin());
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}
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///
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inset_iterator inset_iterator_end() {
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return inset_iterator();
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}
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///
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inset_iterator inset_const_iterator_begin() const {
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return inset_iterator(&*paragraphs.begin());
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}
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///
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inset_iterator inset_const_iterator_end() const {
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return inset_iterator();
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}
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///
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ParIterator par_iterator_begin();
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///
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ParIterator par_iterator_end();
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///
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Inset * getInsetFromID(int id_arg) const;
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};
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inline
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void Buffer::addUser(BufferView * u)
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{
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users = u;
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}
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inline
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void Buffer::delUser(BufferView *)
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{
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users = 0;
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}
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inline
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Language const * Buffer::getLanguage() const
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{
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return params.language;
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}
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inline
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bool Buffer::isClean() const
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{
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return lyx_clean;
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}
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inline
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bool Buffer::isBakClean() const
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{
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return bak_clean;
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}
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inline
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void Buffer::markClean() const
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{
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if (!lyx_clean) {
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lyx_clean = true;
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updateTitles();
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}
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// if the .lyx file has been saved, we don't need an
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// autosave
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bak_clean = true;
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}
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inline
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void Buffer::markBakClean()
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{
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bak_clean = true;
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}
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inline
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void Buffer::setUnnamed(bool flag)
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{
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unnamed = flag;
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}
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inline
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bool Buffer::isUnnamed()
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{
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return unnamed;
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}
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inline
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void Buffer::markDirty()
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{
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if (lyx_clean) {
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lyx_clean = false;
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updateTitles();
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}
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bak_clean = false;
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DEPCLEAN * tmp = dep_clean;
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while (tmp) {
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tmp->clean = false;
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tmp = tmp->next;
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}
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}
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inline
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string const & Buffer::fileName() const
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{
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return filename_;
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}
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inline
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string const & Buffer::filePath() const
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{
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return filepath_;
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}
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inline
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bool Buffer::isReadonly() const
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{
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return read_only;
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}
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inline
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BufferView * Buffer::getUser() const
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{
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return users;
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}
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inline
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void Buffer::setParentName(string const & name)
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{
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params.parentname = name;
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}
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///
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inline
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bool operator==(Buffer::inset_iterator const & iter1,
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Buffer::inset_iterator const & iter2)
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{
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return iter1.par == iter2.par
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&& (iter1.par == 0 || iter1.it == iter2.it);
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}
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///
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inline
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bool operator!=(Buffer::inset_iterator const & iter1,
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Buffer::inset_iterator const & iter2)
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{
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return !(iter1 == iter2);
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}
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#endif
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