lyx_mirror/src/vc-backend.C

329 lines
7.7 KiB
C++
Raw Normal View History

#include <config.h>
#ifdef __GNUG__
#pragma implementation
#endif
#include <fstream>
#include "vc-backend.h"
#include "debug.h"
#include "support/FileInfo.h"
#include "support/LRegex.h"
#include "support/LSubstring.h"
#include "support/path.h"
#include "support/filetools.h"
#include "buffer.h"
#include "BufferView.h"
#include "LyXView.h"
#include "lyxfunc.h"
using std::endl;
using std::ifstream;
using std::getline;
int VCS::doVCCommand(string const & cmd, string const & path)
{
lyxerr[Debug::LYXVC] << "doVCCommand: " << cmd << endl;
Systemcalls one;
Path p(path);
int const ret = one.startscript(Systemcalls::System, cmd);
return ret;
}
RCS::RCS(string const & m)
{
master_ = m;
scanMaster();
}
string const RCS::find_file(string const & file)
{
string tmp(file);
// Check if *,v exists.
tmp += ",v";
FileInfo f;
lyxerr[Debug::LYXVC] << "Checking if file is under rcs: "
<< tmp << endl;
if (f.newFile(tmp).readable()) {
lyxerr[Debug::LYXVC] << "Yes " << file
<< " is under rcs." << endl;
return tmp;
} else {
// Check if RCS/*,v exists.
tmp = AddName(AddPath(OnlyPath(file), "RCS"), file);
tmp += ",v";
lyxerr[Debug::LYXVC] << "Checking if file is under rcs: "
<< tmp << endl;
if (f.newFile(tmp).readable()) {
lyxerr[Debug::LYXVC] << "Yes " << file
<< " it is under rcs."<< endl;
return tmp;
}
}
return string();
}
void RCS::retrive(string const & file)
{
lyxerr[Debug::LYXVC] << "LyXVC::RCS: retrive.\n\t" << file << endl;
VCS::doVCCommand("co -q -r \""
+ file + "\"",
string());
}
void RCS::scanMaster()
{
lyxerr[Debug::LYXVC] << "LyXVC::RCS: scanMaster." << endl;
ifstream ifs(master_.c_str());
string token;
bool read_enough = false;
while (!read_enough && ifs >> token) {
lyxerr[Debug::LYXVC]
<< "LyXVC::scanMaster: current lex text: `"
<< token << "'" << endl;
if (token.empty())
continue;
else if (token == "head") {
// get version here
string tmv;
ifs >> tmv;
tmv = strip(tmv, ';');
version_ = tmv;
lyxerr[Debug::LYXVC] << "LyXVC: version found to be "
<< tmv << endl;
} else if (contains(token, "access")
|| contains(token, "symbols")
|| contains(token, "strict")) {
// nothing
} else if (contains(token, "locks")) {
// get locker here
if (contains(token, ";")) {
locker_ = "Unlocked";
vcstatus = UNLOCKED;
continue;
}
string tmpt, s1, s2;
do {
ifs >> tmpt;
s1 = strip(tmpt, ';');
// tmp is now in the format <user>:<version>
s1 = split(s1, s2, ':');
// s2 is user, and s1 is version
if (s1 == version_) {
locker_ = s2;
vcstatus = LOCKED;
break;
}
} while (!contains(tmpt, ";"));
} else if (token == "comment") {
// we don't need to read any further than this.
read_enough = true;
} else {
// unexpected
lyxerr[Debug::LYXVC]
<< "LyXVC::scanMaster(): unexpected token"
<< endl;
}
}
version_ = "RCS: " + version_;
}
void RCS::registrer(string const & msg)
{
string cmd = "ci -q -u -i -t-\"";
cmd += msg;
cmd += "\" \"";
cmd += OnlyFilename(owner_->fileName());
cmd += "\"";
doVCCommand(cmd, owner_->filepath);
owner_->getUser()->owner()->getLyXFunc()->dispatch("buffer-reload");
}
void RCS::checkIn(string const & msg)
{
doVCCommand("ci -q -u -m\"" + msg + "\" \""
+ OnlyFilename(owner_->fileName()) + "\"", owner_->filepath);
owner_->getUser()->owner()->getLyXFunc()->dispatch("buffer-reload");
}
void RCS::checkOut()
{
owner_->markLyxClean();
doVCCommand("co -q -l \""
+ OnlyFilename(owner_->fileName()) + "\"", owner_->filepath);
owner_->getUser()->owner()->getLyXFunc()->dispatch("buffer-reload");
}
void RCS::revert()
{
doVCCommand("co -f -u" + version() + " \""
+ OnlyFilename(owner_->fileName()) + "\"", owner_->filepath);
// We ignore changes and just reload!
owner_->markLyxClean();
owner_->getUser()->owner()
->getLyXFunc()->dispatch("buffer-reload");
}
void RCS::undoLast()
{
lyxerr[Debug::LYXVC] << "LyXVC: undoLast" << endl;
doVCCommand("rcs -o" + version() + " \""
+ OnlyFilename(owner_->fileName()) + "\"",
owner_->filepath);
}
void RCS::getLog(string const & tmpf)
{
doVCCommand("rlog \""
+ OnlyFilename(owner_->fileName()) + "\" > " + tmpf, owner_->filepath);
}
CVS::CVS(string const & m, string const & f)
{
master_ = m;
file_ = f;
scanMaster();
}
string const CVS::find_file(string const & file)
{
// First we look for the CVS/Entries in the same dir
// where we have file.
string const dir = OnlyPath(file) + "/CVS/Entries";
string const tmpf = "/" + OnlyFilename(file) + "/";
lyxerr[Debug::LYXVC] << "LyXVC: checking in `" << dir
<< "' for `" << tmpf << "'" << endl;
FileInfo const f(dir);
if (f.readable()) {
// Ok we are at least in a CVS dir. Parse the CVS/Entries
// and see if we can find this file. We do a fast and
// dirty parse here.
ifstream ifs(dir.c_str());
string line;
while (getline(ifs, line)) {
lyxerr[Debug::LYXVC] << "\tEntries: " << line << endl;
if (contains(line, tmpf)) return dir;
}
}
return string();
}
void CVS::scanMaster()
{
lyxerr[Debug::LYXVC] << "LyXVC::CVS: scanMaster. \n Checking: "
<< master_ << endl;
// Ok now we do the real scan...
ifstream ifs(master_.c_str());
string tmpf = "/" + OnlyFilename(file_) + "/";
lyxerr[Debug::LYXVC] << "\tlooking for `" << tmpf << "'" << endl;
string line;
LRegex reg("/(.*)/(.*)/(.*)/(.*)/(.*)");
while(getline(ifs, line)) {
lyxerr[Debug::LYXVC] << "\t line: " << line << endl;
if (contains(line, tmpf)) {
// Ok extract the fields.
LRegex::SubMatches const & sm = reg.exec(line);
//sm[0]; // whole matched string
//sm[1]; // filename
version_ = "CVS: ";
version_ += LSubstring(line, sm[2].first,
sm[2].second);
string file_date = LSubstring(line, sm[3].first,
sm[3].second);
//sm[4]; // options
//sm[5]; // tag or tagdate
FileInfo fi(file_);
time_t mod = fi.getModificationTime();
string mod_date = strip(asctime(gmtime(&mod)), '\n');
lyxerr[Debug::LYXVC]
<< "Date in Entries: `" << file_date
<< "'\nModification date of file: `"
<< mod_date << "'" << endl;
if (file_date == mod_date) {
locker_ = "Unlocked";
vcstatus = UNLOCKED;
} else {
// Here we should also to some more checking
// to see if there are conflicts or not.
locker_ = "Locked";
vcstatus = LOCKED;
}
break;
}
}
}
void CVS::registrer(string const & msg)
{
doVCCommand("cvs -q add -m \"" + msg + "\" \""
+ OnlyFilename(owner_->fileName()) + "\"", owner_->filepath);
owner_->getUser()->owner()->getLyXFunc()->dispatch("buffer-reload");
}
void CVS::checkIn(string const & msg)
{
doVCCommand("cvs -q commit -m \"" + msg + "\" \""
+ OnlyFilename(owner_->fileName()) + "\"",
owner_->filepath);
owner_->getUser()->owner()->getLyXFunc()->dispatch("buffer-reload");
}
void CVS::checkOut()
{
// cvs update or perhaps for cvs this should be a noop
lyxerr << "Sorry not implemented." << endl;
}
void CVS::revert()
{
// Reverts to the version in CVS repository and
// gets the updated version from the repository.
string const fil = OnlyFilename(owner_->fileName());
doVCCommand("rm -f \"" + fil + "\"; cvs update \"" + fil + "\"",
owner_->filepath);
owner_->markLyxClean();
owner_->getUser()->owner()
->getLyXFunc()->dispatch("buffer-reload");
}
void CVS::undoLast()
{
// merge the current with the previous version
// in a reverse patch kind of way, so that the
// result is to revert the last changes.
lyxerr << "Sorry not implemented." << endl;
}
void CVS::getLog(string const & tmpf)
{
doVCCommand("cvs log \""
+ OnlyFilename(owner_->fileName()) + "\" > " + tmpf,
owner_->filepath);
}