lyx_mirror/src/LyXVC.cpp

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/**
* \file LyXVC.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Lars Gullik Bjønnes
* \author Jean-Marc Lasgouttes
* \author Angus Leeming
* \author John Levon
* \author André Pönitz
* \author Allan Rae
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "LyXVC.h"
#include "VCBackend.h"
#include "Buffer.h"
#include "frontends/alert.h"
#include "support/debug.h"
#include "support/filetools.h"
#include "support/gettext.h"
#include "support/lstrings.h"
using namespace std;
using namespace lyx::support;
namespace lyx {
namespace Alert = frontend::Alert;
LyXVC::LyXVC()
{
owner_ = 0;
}
// for the sake of boost::scoped_ptr
LyXVC::~LyXVC()
{}
bool LyXVC::file_found_hook(FileName const & fn)
{
FileName found_file;
// Check if file is under RCS
if (!(found_file = RCS::findFile(fn)).empty()) {
vcs.reset(new RCS(found_file));
vcs->owner(owner_);
return true;
}
// Check if file is under CVS
if (!(found_file = CVS::findFile(fn)).empty()) {
vcs.reset(new CVS(found_file, fn));
vcs->owner(owner_);
return true;
}
// Check if file is under SVN
if (!(found_file = SVN::findFile(fn)).empty()) {
vcs.reset(new SVN(found_file, fn));
vcs->owner(owner_);
return true;
}
// file is not under any VCS.
return false;
}
bool LyXVC::file_not_found_hook(FileName const & fn)
{
// Check if file is under RCS.
// This happens if we are trying to load non existent
// file on disk, but existent in ,v version.
// Seems there is no reasonable scenario for adding implementation
// of retrieve for cvs or svn.
if (!RCS::findFile(fn).empty())
return true;
return false;
}
void LyXVC::setBuffer(Buffer * buf)
{
owner_ = buf;
}
void LyXVC::registrer()
{
FileName const filename = owner_->fileName();
// there must be a file to save
if (!filename.isReadableFile()) {
Alert::error(_("Document not saved"),
_("You must save the document "
"before it can be registered."));
return;
}
// it is very likely here that the vcs is not created yet...
if (!vcs) {
//check in the root directory of the document
FileName const cvs_entries(onlyPath(filename.absFilename()) + "/CVS/Entries");
FileName const svn_entries(onlyPath(filename.absFilename()) + "/.svn/entries");
if (svn_entries.isReadableFile()) {
LYXERR(Debug::LYXVC, "LyXVC: registering "
<< to_utf8(filename.displayName()) << " with SVN");
vcs.reset(new SVN(cvs_entries, filename));
} else if (cvs_entries.isReadableFile()) {
LYXERR(Debug::LYXVC, "LyXVC: registering "
<< to_utf8(filename.displayName()) << " with CVS");
vcs.reset(new CVS(cvs_entries, filename));
} else {
LYXERR(Debug::LYXVC, "LyXVC: registering "
<< to_utf8(filename.displayName()) << " with RCS");
vcs.reset(new RCS(FileName()));
}
vcs->owner(owner_);
}
LYXERR(Debug::LYXVC, "LyXVC: registrer");
docstring response;
bool ok = Alert::askForText(response, _("LyX VC: Initial description"),
_("(no initial description)"));
if (!ok) {
LYXERR(Debug::LYXVC, "LyXVC: user cancelled");
return;
}
if (response.empty())
response = _("(no initial description)");
vcs->registrer(to_utf8(response));
}
string LyXVC::checkIn()
{
LYXERR(Debug::LYXVC, "LyXVC: checkIn");
docstring response;
string log;
bool ok = Alert::askForText(response, _("LyX VC: Log Message"));
if (ok) {
if (response.empty())
response = _("(no log message)");
log = vcs->checkIn(to_utf8(response));
} else {
LYXERR(Debug::LYXVC, "LyXVC: user cancelled");
}
return log;
}
string LyXVC::checkOut()
{
//RCS allows checkOut only in ReadOnly mode
if (vcs->toggleReadOnlyEnabled() && !owner_->isReadonly()) return string();
LYXERR(Debug::LYXVC, "LyXVC: checkOut");
return vcs->checkOut();
}
void LyXVC::revert()
{
LYXERR(Debug::LYXVC, "LyXVC: revert");
docstring const file = owner_->fileName().displayName(20);
docstring text = bformat(_("Reverting to the stored version of the "
"document %1$s will lose all current changes.\n\n"
"Do you want to revert to the older version?"), file);
int const ret = Alert::prompt(_("Revert to stored version of document?"),
text, 0, 1, _("&Revert"), _("&Cancel"));
if (ret == 0)
vcs->revert();
}
void LyXVC::undoLast()
{
vcs->undoLast();
}
void LyXVC::toggleReadOnly()
{
if (!vcs->toggleReadOnlyEnabled())
return;
switch (vcs->status()) {
case VCS::UNLOCKED:
LYXERR(Debug::LYXVC, "LyXVC: toggle to locked");
checkOut();
break;
case VCS::LOCKED:
LYXERR(Debug::LYXVC, "LyXVC: toggle to unlocked");
checkIn();
break;
}
}
bool LyXVC::inUse()
{
if (vcs)
return true;
return false;
}
//string const & LyXVC::version() const
//{
// return vcs->version();
//}
string const LyXVC::versionString() const
{
return vcs->versionString();
}
string const & LyXVC::locker() const
{
return vcs->locker();
}
string const LyXVC::getLogFile() const
{
if (!vcs)
return string();
FileName const tmpf = FileName::tempName("lyxvclog");
if (tmpf.empty()) {
LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
return string();
}
LYXERR(Debug::LYXVC, "Generating logfile " << tmpf);
vcs->getLog(tmpf);
return tmpf.absFilename();
}
bool LyXVC::checkOutEnabled()
{
return vcs && vcs->checkOutEnabled();
}
bool LyXVC::checkInEnabled()
{
return vcs && vcs->checkInEnabled();
}
bool LyXVC::undoLastEnabled()
{
return vcs && vcs->undoLastEnabled();
}
} // namespace lyx