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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_1_3_X@9357 a592a061-630c-0410-9148-cb99ea01b6c8
105 lines
3.3 KiB
C++
105 lines
3.3 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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*
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* Copyright 1995 Matthias Ettrich
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* Copyright 1995-2001 The LyX Team.
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*
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* ====================================================== */
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#ifndef LASTFILES_H
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#define LASTFILES_H
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#include <deque>
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#include "LString.h"
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#include <boost/utility.hpp>
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/** The latest documents loaded.
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This class takes care of the last .lyx files used by the LyX user. It
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both reads and writes this information to a file. The number of files
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kept are user defined, but defaults to four.
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@author Lars Gullik Bjønnes
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*/
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class LastFiles : boost::noncopyable {
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public:
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///
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typedef std::deque<string> Files;
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///
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typedef Files::const_iterator const_iterator;
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/** Read the lastfiles file.
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@param file The file to read the lastfiles form.
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@param dostat Whether to check for file existance.
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@param num number of files to remember.
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*/
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explicit
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LastFiles(string const & file,
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bool dostat = true, unsigned int num = 4);
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/** Insert #file# into the list.
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This funtion inserts #file# into the last files list. If the file
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already exist it is moved to the top of the list, else exist it
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is placed on the top of the list. If the list is full the last
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file in the list is popped from the end.
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@param file the file to insert in the list.
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*/
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void newFile(string const & file);
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/** Writes the lastfiles table to disk.
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Writes one file on each line, this way we can at least have
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some special chars (e.g. space), but newline in filenames
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are thus not allowed.
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@param file the file we write the lastfiles list to.
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*/
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void writeFile(string const & file) const;
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/** Return file #n# in the lastfiles list.
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@param n number in the list to get
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*/
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string const operator[](unsigned int n) const;
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/// Iterator to the beginning of the list.
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Files::const_iterator begin() const { return files.begin(); }
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/// Iterator to the end of the list.
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Files::const_iterator end() const { return files.end(); }
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private:
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/** Local constants.
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It is more portable among different C++ compilers to use
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an enum instead of #int const XXX#
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*/
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enum local_constants {
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/// Default number of lastfiles.
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DEFAULTFILES = 4,
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/** Max number of lastfiles.
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There is no point in keeping more than this number
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of files at the same time. However perhaps someday
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someone finds use for more files and wants to
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change it. Please do. But don't show the files in
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a menu...
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*/
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ABSOLUTEMAXLASTFILES = 20
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};
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/// a list of lastfiles
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Files files;
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/// number of files in the lastfiles list.
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unsigned int num_files;
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/// check for file existance or not.
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bool dostat;
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/** Read the lastfiles file.
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Reads the #.lyx_lastfiles# at the beginning of the LyX session.
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This will read the lastfiles file (usually #.lyx_lastfiles#). It
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will normally discard files that don't exist anymore, unless
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LastFiles has been initialized with #dostat = false#.
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@param file the file containing the lastfiles.
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*/
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void readFile(string const & file);
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/** Used by the constructor to set the number of stored last files.
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@param num the number of lastfiles to set.
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*/
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void setNumberOfFiles(unsigned int num);
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};
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#endif
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