mirror of
https://git.lyx.org/repos/lyx.git
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83b326d204
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@17675 a592a061-630c-0410-9148-cb99ea01b6c8
523 lines
13 KiB
C
523 lines
13 KiB
C
/**
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* \file session.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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* \author Bo Peng
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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 "session.h"
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#include "debug.h"
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#include "support/package.h"
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#include "support/filetools.h"
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#include <boost/filesystem/operations.hpp>
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#include <fstream>
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#include <sstream>
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#include <algorithm>
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#include <iterator>
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using lyx::support::absolutePath;
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using lyx::support::addName;
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using lyx::support::FileName;
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using lyx::support::package;
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namespace fs = boost::filesystem;
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using std::vector;
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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::istream;
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using std::ostream;
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using std::endl;
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using std::istringstream;
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using std::copy;
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using std::find;
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using std::ostream_iterator;
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namespace {
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string const sec_lastfiles = "[recent files]";
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string const sec_lastfilepos = "[cursor positions]";
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string const sec_lastopened = "[last opened files]";
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string const sec_bookmarks = "[bookmarks]";
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string const sec_session = "[session info]";
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string const sec_toolbars = "[toolbars]";
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} // anon namespace
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namespace lyx {
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LastFilesSection::LastFilesSection(unsigned int num) :
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default_num_last_files(4),
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absolute_max_last_files(100)
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{
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setNumberOfLastFiles(num);
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}
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void LastFilesSection::read(istream & is)
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{
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string tmp;
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do {
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char c = is.peek();
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if (c == '[')
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break;
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getline(is, tmp);
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if (tmp == "" || tmp[0] == '#' || tmp[0] == ' ' || !absolutePath(tmp))
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continue;
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// read lastfiles
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FileName const file(tmp);
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if (fs::exists(file.toFilesystemEncoding()) &&
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!fs::is_directory(file.toFilesystemEncoding()) &&
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lastfiles.size() < num_lastfiles)
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lastfiles.push_back(file);
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else
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LYXERR(Debug::INIT) << "LyX: Warning: Ignore last file: " << tmp << endl;
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} while (is.good());
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}
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void LastFilesSection::write(ostream & os) const
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{
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os << '\n' << sec_lastfiles << '\n';
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copy(lastfiles.begin(), lastfiles.end(),
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ostream_iterator<FileName>(os, "\n"));
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}
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void LastFilesSection::add(FileName const & file)
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{
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// If file already exist, delete it and reinsert at front.
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LastFiles::iterator it = find(lastfiles.begin(), lastfiles.end(), file);
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if (it != lastfiles.end())
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lastfiles.erase(it);
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lastfiles.push_front(file);
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if (lastfiles.size() > num_lastfiles)
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lastfiles.pop_back();
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}
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void LastFilesSection::setNumberOfLastFiles(unsigned int no)
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{
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if (0 < no && no <= absolute_max_last_files)
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num_lastfiles = no;
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else {
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LYXERR(Debug::INIT) << "LyX: session: too many last files\n"
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<< "\tdefault (=" << default_num_last_files
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<< ") used." << endl;
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num_lastfiles = default_num_last_files;
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}
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}
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void LastOpenedSection::read(istream & is)
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{
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string tmp;
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do {
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char c = is.peek();
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if (c == '[')
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break;
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getline(is, tmp);
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if (tmp == "" || tmp[0] == '#' || tmp[0] == ' ' || !absolutePath(tmp))
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continue;
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FileName const file(tmp);
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if (fs::exists(file.toFilesystemEncoding()) &&
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!fs::is_directory(file.toFilesystemEncoding()))
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lastopened.push_back(file);
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else
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LYXERR(Debug::INIT) << "LyX: Warning: Ignore last opened file: " << tmp << endl;
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} while (is.good());
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}
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void LastOpenedSection::write(ostream & os) const
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{
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os << '\n' << sec_lastopened << '\n';
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copy(lastopened.begin(), lastopened.end(),
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ostream_iterator<FileName>(os, "\n"));
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}
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void LastOpenedSection::add(FileName const & file)
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{
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lastopened.push_back(file);
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}
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void LastOpenedSection::clear()
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{
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lastopened.clear();
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}
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void LastFilePosSection::read(istream & is)
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{
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string tmp;
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do {
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char c = is.peek();
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if (c == '[')
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break;
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getline(is, tmp);
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if (tmp == "" || tmp[0] == '#' || tmp[0] == ' ')
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continue;
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try {
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// read lastfilepos
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// pos, file\n
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pit_type pit;
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pos_type pos;
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string fname;
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istringstream itmp(tmp);
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itmp >> pit;
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itmp.ignore(2); // ignore ", "
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itmp >> pos;
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itmp.ignore(2); // ignore ", "
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getline(itmp, fname);
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if (!absolutePath(fname))
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continue;
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FileName const file(fname);
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if (fs::exists(file.toFilesystemEncoding()) &&
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!fs::is_directory(file.toFilesystemEncoding()) &&
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lastfilepos.size() < num_lastfilepos)
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lastfilepos[file] = boost::tie(pit, pos);
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else
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LYXERR(Debug::INIT) << "LyX: Warning: Ignore pos of last file: " << fname << endl;
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} catch (...) {
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LYXERR(Debug::INIT) << "LyX: Warning: unknown pos of last file: " << tmp << endl;
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}
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} while (is.good());
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}
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void LastFilePosSection::write(ostream & os) const
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{
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os << '\n' << sec_lastfilepos << '\n';
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for (FilePosMap::const_iterator file = lastfilepos.begin();
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file != lastfilepos.end(); ++file) {
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os << file->second.get<0>() << ", "
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<< file->second.get<1>() << ", "
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<< file->first << '\n';
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}
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}
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void LastFilePosSection::save(FileName const & fname, FilePos pos)
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{
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lastfilepos[fname] = pos;
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}
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LastFilePosSection::FilePos LastFilePosSection::load(FileName const & fname) const
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{
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FilePosMap::const_iterator entry = lastfilepos.find(fname);
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// Has position information, return it.
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if (entry != lastfilepos.end())
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return entry->second;
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// Not found, return the first paragraph
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else
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return 0;
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}
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void BookmarksSection::clear()
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{
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// keep bookmark[0], the temporary one
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bookmarks.resize(1);
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bookmarks.resize(max_bookmarks + 1);
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}
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void BookmarksSection::read(istream & is)
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{
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string tmp;
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do {
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char c = is.peek();
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if (c == '[')
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break;
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getline(is, tmp);
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if (tmp == "" || tmp[0] == '#' || tmp[0] == ' ')
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continue;
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try {
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// read bookmarks
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// idx, pit, pos, file\n
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unsigned int idx;
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pit_type pit;
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pos_type pos;
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string fname;
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istringstream itmp(tmp);
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itmp >> idx;
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itmp.ignore(2); // ignore ", "
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itmp >> pit;
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itmp.ignore(2); // ignore ", "
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itmp >> pos;
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itmp.ignore(2); // ignore ", "
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getline(itmp, fname);
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if (!absolutePath(fname))
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continue;
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FileName const file(fname);
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// only load valid bookmarks
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if (fs::exists(file.toFilesystemEncoding()) &&
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!fs::is_directory(file.toFilesystemEncoding()) &&
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idx <= max_bookmarks)
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bookmarks[idx] = Bookmark(file, pit, 0, pos);
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else
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LYXERR(Debug::INIT) << "LyX: Warning: Ignore bookmark of file: " << fname << endl;
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} catch (...) {
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LYXERR(Debug::INIT) << "LyX: Warning: unknown Bookmark info: " << tmp << endl;
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}
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} while (is.good());
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}
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void BookmarksSection::write(ostream & os) const
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{
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os << '\n' << sec_bookmarks << '\n';
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for (size_t i = 1; i <= max_bookmarks; ++i) {
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if (isValid(i))
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os << i << ", "
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<< bookmarks[i].par_pit << ", "
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<< bookmarks[i].par_pos << ", "
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<< bookmarks[i].filename << '\n';
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}
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}
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void BookmarksSection::save(FileName const & fname, pit_type par_pit, int par_id, pos_type par_pos, unsigned int idx)
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{
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// silently ignore bookmarks when idx is out of range
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if (idx <= max_bookmarks)
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bookmarks[idx] = Bookmark(fname, par_pit, par_id, par_pos);
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}
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bool BookmarksSection::isValid(unsigned int i) const
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{
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return i <= max_bookmarks && !bookmarks[i].filename.empty();
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}
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BookmarksSection::Bookmark const & BookmarksSection::bookmark(unsigned int i) const
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{
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return bookmarks[i];
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}
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void ToolbarSection::read(istream & is)
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{
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string tmp;
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do {
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char c = is.peek();
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if (c == '[')
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break;
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getline(is, tmp);
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if (tmp == "" || tmp[0] == '#' || tmp[0] == ' ')
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continue;
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try {
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// Read session info, saved as key/value pairs
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// would better yell if pos returns npos
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string::size_type pos = tmp.find_first_of(" = ");
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// silently ignore lines without " = "
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if (pos != string::npos) {
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string key = tmp.substr(0, pos);
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int state;
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int location;
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int posx;
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int posy;
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istringstream value(tmp.substr(pos + 3));
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value >> state;
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value >> location;
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value >> posx;
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value >> posy;
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toolbars.push_back(boost::make_tuple(key, ToolbarInfo(state, location, posx, posy)));
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} else
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LYXERR(Debug::INIT) << "LyX: Warning: Ignore toolbar info: " << tmp << endl;
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} catch (...) {
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LYXERR(Debug::INIT) << "LyX: Warning: unknown Toolbar info: " << tmp << endl;
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}
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} while (is.good());
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// sort the toolbars by location, line and position
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std::sort(toolbars.begin(), toolbars.end());
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}
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void ToolbarSection::write(ostream & os) const
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{
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os << '\n' << sec_toolbars << '\n';
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for (ToolbarList::const_iterator tb = toolbars.begin();
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tb != toolbars.end(); ++tb) {
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os << tb->get<0>() << " = "
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<< static_cast<int>(tb->get<1>().state) << " "
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<< static_cast<int>(tb->get<1>().location) << " "
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<< tb->get<1>().posx << " "
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<< tb->get<1>().posy << '\n';
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}
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}
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ToolbarSection::ToolbarInfo & ToolbarSection::load(string const & name)
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{
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for (ToolbarList::iterator tb = toolbars.begin();
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tb != toolbars.end(); ++tb)
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if (tb->get<0>() == name)
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return tb->get<1>();
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// add a new item
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toolbars.push_back(boost::make_tuple(name, ToolbarSection::ToolbarInfo()));
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return toolbars.back().get<1>();
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}
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bool operator<(ToolbarSection::ToolbarItem const & a, ToolbarSection::ToolbarItem const & b)
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{
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ToolbarSection::ToolbarInfo lhs = a.get<1>();
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ToolbarSection::ToolbarInfo rhs = b.get<1>();
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// on if before off
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if (lhs.state != rhs.state)
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return static_cast<int>(lhs.state) < static_cast<int>(rhs.state);
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// order of dock does not really matter
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if (lhs.location != rhs.location)
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return static_cast<int>(lhs.location) < static_cast<int>(rhs.location);
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// if the same dock, the order depends on position
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if (lhs.location == ToolbarSection::ToolbarInfo::TOP ||
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lhs.location == ToolbarSection::ToolbarInfo::BOTTOM)
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return lhs.posy < rhs.posy || (lhs.posy == rhs.posy && lhs.posx < rhs.posx);
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else if (lhs.location == ToolbarSection::ToolbarInfo::LEFT ||
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lhs.location == ToolbarSection::ToolbarInfo::RIGHT)
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return lhs.posx < rhs.posx || (lhs.posx == rhs.posx && lhs.posy < rhs.posy);
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else
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return true;
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}
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void SessionInfoSection::read(istream & is)
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{
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string tmp;
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do {
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char c = is.peek();
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if (c == '[')
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break;
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getline(is, tmp);
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if (tmp == "" || tmp[0] == '#' || tmp[0] == ' ')
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continue;
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try {
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// Read session info, saved as key/value pairs
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// would better yell if pos returns npos
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string::size_type pos = tmp.find_first_of(" = ");
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// silently ignore lines without " = "
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if (pos != string::npos) {
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string key = tmp.substr(0, pos);
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string value = tmp.substr(pos + 3);
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sessioninfo[key] = value;
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} else
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LYXERR(Debug::INIT) << "LyX: Warning: Ignore session info: " << tmp << endl;
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} catch (...) {
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LYXERR(Debug::INIT) << "LyX: Warning: unknown Session info: " << tmp << endl;
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}
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} while (is.good());
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}
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void SessionInfoSection::write(ostream & os) const
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{
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os << '\n' << sec_session << '\n';
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for (MiscInfo::const_iterator val = sessioninfo.begin();
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val != sessioninfo.end(); ++val) {
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os << val->first << " = " << val->second << '\n';
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}
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}
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void SessionInfoSection::save(string const & key, string const & value)
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{
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sessioninfo[key] = value;
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}
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string const SessionInfoSection::load(string const & key, bool release)
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{
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MiscInfo::const_iterator pos = sessioninfo.find(key);
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string value;
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if (pos != sessioninfo.end())
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value = pos->second;
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if (release)
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sessioninfo.erase(key);
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return value;
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}
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Session::Session(unsigned int num) :
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last_files(num)
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{
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// locate the session file
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// note that the session file name 'session' is hard-coded
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session_file = FileName(addName(package().user_support(), "session"));
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//
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readFile();
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}
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void Session::readFile()
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{
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// we will not complain if we can't find session_file nor will
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// we issue a warning. (Lgb)
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ifstream is(session_file.toFilesystemEncoding().c_str());
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string tmp;
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while (getline(is, tmp)) {
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// Ignore comments, empty line or line stats with ' '
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if (tmp == "" || tmp[0] == '#' || tmp[0] == ' ')
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continue;
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// Determine section id
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if (tmp == sec_lastfiles)
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lastFiles().read(is);
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else if (tmp == sec_lastopened)
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lastOpened().read(is);
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else if (tmp == sec_lastfilepos)
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lastFilePos().read(is);
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else if (tmp == sec_bookmarks)
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bookmarks().read(is);
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else if (tmp == sec_toolbars)
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toolbars().read(is);
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else if (tmp == sec_session)
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sessionInfo().read(is);
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else
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LYXERR(Debug::INIT) << "LyX: Warning: unknown Session section: " << tmp << endl;
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}
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}
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void Session::writeFile() const
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{
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ofstream os(session_file.toFilesystemEncoding().c_str());
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if (os) {
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os << "## Automatically generated lyx session file \n"
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<< "## Editing this file manually may cause lyx to crash.\n";
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lastFiles().write(os);
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lastOpened().write(os);
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lastFilePos().write(os);
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bookmarks().write(os);
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toolbars().write(os);
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sessionInfo().write(os);
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} else
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LYXERR(Debug::INIT) << "LyX: Warning: unable to save Session: "
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<< session_file << endl;
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}
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}
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