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b6e6f87f71
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@9547 a592a061-630c-0410-9148-cb99ea01b6c8
100 lines
2.0 KiB
C
100 lines
2.0 KiB
C
/**
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* \file lastfiles.C
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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 Lars Gullik Bjønnes
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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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#include <config.h>
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#include "lastfiles.h"
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#include "debug.h"
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#include <boost/filesystem/operations.hpp>
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#include <algorithm>
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#include <fstream>
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#include <iterator>
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namespace fs = boost::filesystem;
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using std::copy;
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using std::endl;
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using std::find;
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using std::getline;
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using std::string;
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using std::ifstream;
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using std::ofstream;
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using std::ostream_iterator;
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LastFiles::LastFiles(string const & filename, bool st, unsigned int num)
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: dostat(st)
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{
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setNumberOfFiles(num);
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readFile(filename);
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}
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void LastFiles::setNumberOfFiles(unsigned int no)
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{
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if (0 < no && no <= ABSOLUTEMAXLASTFILES)
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num_files = no;
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else {
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lyxerr << "LyX: lastfiles: too many files\n"
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"\tdefault (=" << int(DEFAULTFILES)
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<< ") used." << endl;
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num_files = DEFAULTFILES;
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}
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}
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void LastFiles::readFile(string const & filename)
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{
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// we will not complain if we can't find filename nor will
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// we issue a warning. (Lgb)
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ifstream ifs(filename.c_str());
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string tmp;
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while (getline(ifs, tmp) && files.size() < num_files) {
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if (dostat && !fs::exists(tmp))
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continue;
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files.push_back(tmp);
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}
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}
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void LastFiles::writeFile(string const & filename) const
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{
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ofstream ofs(filename.c_str());
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if (ofs) {
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copy(files.begin(), files.end(),
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ostream_iterator<string>(ofs, "\n"));
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} else
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lyxerr << "LyX: Warning: unable to save LastFiles: "
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<< filename << endl;
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}
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void LastFiles::newFile(string const & file)
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{
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// If file already exist, delete it and reinsert at front.
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Files::iterator it = find(files.begin(), files.end(), file);
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if (it != files.end())
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files.erase(it);
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files.push_front(file);
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if (files.size() > num_files)
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files.pop_back();
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}
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string const LastFiles::operator[](unsigned int i) const
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{
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if (i < files.size())
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return files[i];
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return string();
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}
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