src/vc-backend.C

   1 #include <config.h>
   2
   3 #ifdef __GNUG__
   4 #pragma implementation
   5 #endif
   6
   7 #include "vc-backend.h"
   8 #include "debug.h"
   9 #include "buffer.h"
  10 #include "BufferView.h"
  11 #include "LyXView.h"
  12 #include "lyxfunc.h"
  13
  14 #include "support/FileInfo.h"
  15 #include "support/LRegex.h"
  16 #include "support/LSubstring.h"
  17 #include "support/path.h"
  18 #include "support/filetools.h"
  19 #include "support/lstrings.h"
  20
  21 #include <fstream>
  22
  23 using std::endl;
  24 using std::ifstream;
  25 using std::getline;
  26
  27 int VCS::doVCCommand(string const & cmd, string const & path)
  28 {
  29         lyxerr[Debug::LYXVC] << "doVCCommand: " << cmd << endl;
  30         Systemcalls one;
  31         Path p(path);
  32         int const ret = one.startscript(Systemcalls::System, cmd);
  33         return ret;
  34 }
  35
  36
  37 RCS::RCS(string const & m)
  38 {
  39         master_ = m;
  40         scanMaster();
  41 }
  42
  43
  44 string const RCS::find_file(string const & file)
  45 {
  46         string tmp(file);
  47         // Check if *,v exists.
  48         tmp += ",v";
  49         FileInfo f;
  50         lyxerr[Debug::LYXVC] << "Checking if file is under rcs: "
  51                              << tmp << endl;
  52         if (f.newFile(tmp).readable()) {
  53                 lyxerr[Debug::LYXVC] << "Yes " << file
  54                                      << " is under rcs." << endl;
  55                 return tmp;
  56         } else {
  57                 // Check if RCS/*,v exists.
  58                 tmp = AddName(AddPath(OnlyPath(file), "RCS"), file);
  59                 tmp += ",v";
  60                 lyxerr[Debug::LYXVC] << "Checking if file is under rcs: "
  61                                      << tmp << endl;
  62                 if (f.newFile(tmp).readable()) {
  63                         lyxerr[Debug::LYXVC] << "Yes " << file
  64                                              << " it is under rcs."<< endl;
  65                         return tmp;
  66                 }
  67         }
  68         return string();
  69 }
  70
  71
  72 void RCS::retrive(string const & file)
  73 {
  74         lyxerr[Debug::LYXVC] << "LyXVC::RCS: retrive.\n\t" << file << endl;
  75         VCS::doVCCommand("co -q -r \""
  76                          + file + "\"",
  77                          string());
  78 }
  79
  80
  81 void RCS::scanMaster()
  82 {
  83         lyxerr[Debug::LYXVC] << "LyXVC::RCS: scanMaster." << endl;
  84
  85         ifstream ifs(master_.c_str());
  86
  87         string token;
  88         bool read_enough = false;
  89
  90         while (!read_enough && ifs >> token) {
  91                 lyxerr[Debug::LYXVC]
  92                         << "LyXVC::scanMaster: current lex text: `"
  93                         << token << "'" << endl;
  94
  95                 if (token.empty())
  96                         continue;
  97                 else if (token == "head") {
  98                         // get version here
  99                         string tmv;
 100                         ifs >> tmv;
 101                         tmv = strip(tmv, ';');
 102                         version_ = tmv;
 103                         lyxerr[Debug::LYXVC] << "LyXVC: version found to be "
 104                                              << tmv << endl;
 105                 } else if (contains(token, "access")
 106                            || contains(token, "symbols")
 107                            || contains(token, "strict")) {
 108                         // nothing
 109                 } else if (contains(token, "locks")) {
 110                         // get locker here
 111                         if (contains(token, ";")) {
 112                                 locker_ = "Unlocked";
 113                                 vcstatus = UNLOCKED;
 114                                 continue;
 115                         }
 116                         string tmpt;
 117                         string s1;
 118                         string s2;
 119                         do {
 120                                 ifs >> tmpt;
 121                                 s1 = strip(tmpt, ';');
 122                                 // tmp is now in the format <user>:<version>
 123                                 s1 = split(s1, s2, ':');
 124                                 // s2 is user, and s1 is version
 125                                 if (s1 == version_) {
 126                                         locker_ = s2;
 127                                         vcstatus = LOCKED;
 128                                         break;
 129                                 }
 130                         } while (!contains(tmpt, ";"));
 131
 132                 } else if (token == "comment") {
 133                         // we don't need to read any further than this.
 134                         read_enough = true;
 135                 } else {
 136                         // unexpected
 137                         lyxerr[Debug::LYXVC]
 138                                 << "LyXVC::scanMaster(): unexpected token"
 139                                 << endl;
 140                 }
 141         }
 142 }
 143
 144
 145 void RCS::registrer(string const & msg)
 146 {
 147         string cmd = "ci -q -u -i -t-\"";
 148         cmd += msg;
 149         cmd += "\" \"";
 150         cmd += OnlyFilename(owner_->fileName());
 151         cmd += "\"";
 152         doVCCommand(cmd, owner_->filepath);
 153         owner_->getUser()->owner()->getLyXFunc()->dispatch(LFUN_MENURELOAD);
 154 }
 155
 156
 157 void RCS::checkIn(string const & msg)
 158 {
 159         doVCCommand("ci -q -u -m\"" + msg + "\" \""
 160                     + OnlyFilename(owner_->fileName()) + "\"", owner_->filepath);
 161         owner_->getUser()->owner()->getLyXFunc()->dispatch(LFUN_MENURELOAD);
 162 }
 163
 164
 165 void RCS::checkOut()
 166 {
 167         owner_->markLyxClean();
 168         doVCCommand("co -q -l \""
 169                     + OnlyFilename(owner_->fileName()) + "\"", owner_->filepath);
 170         owner_->getUser()->owner()->getLyXFunc()->dispatch(LFUN_MENURELOAD);
 171 }
 172
 173
 174 void RCS::revert()
 175 {
 176         doVCCommand("co -f -u" + version() + " \""
 177                     + OnlyFilename(owner_->fileName()) + "\"", owner_->filepath);
 178         // We ignore changes and just reload!
 179         owner_->markLyxClean();
 180         owner_->getUser()->owner()
 181                 ->getLyXFunc()->dispatch(LFUN_MENURELOAD);
 182 }
 183
 184
 185 void RCS::undoLast()
 186 {
 187         lyxerr[Debug::LYXVC] << "LyXVC: undoLast" << endl;
 188         doVCCommand("rcs -o" + version() + " \""
 189                     + OnlyFilename(owner_->fileName()) + "\"",
 190                     owner_->filepath);
 191 }
 192
 193
 194 void RCS::getLog(string const & tmpf)
 195 {
 196         doVCCommand("rlog \""
 197                     + OnlyFilename(owner_->fileName()) + "\" > " + tmpf, owner_->filepath);
 198 }
 199
 200
 201 CVS::CVS(string const & m, string const & f)
 202 {
 203         master_ = m;
 204         file_ = f;
 205         scanMaster();
 206 }
 207
 208
 209 string const CVS::find_file(string const & file)
 210 {
 211         // First we look for the CVS/Entries in the same dir
 212         // where we have file.
 213         string const dir = OnlyPath(file) + "/CVS/Entries";
 214         string const tmpf = "/" + OnlyFilename(file) + "/";
 215         lyxerr[Debug::LYXVC] << "LyXVC: checking in `" << dir
 216                              << "' for `" << tmpf << "'" << endl;
 217         FileInfo const f(dir);
 218         if (f.readable()) {
 219                 // Ok we are at least in a CVS dir. Parse the CVS/Entries
 220                 // and see if we can find this file. We do a fast and
 221                 // dirty parse here.
 222                 ifstream ifs(dir.c_str());
 223                 string line;
 224                 while (getline(ifs, line)) {
 225                         lyxerr[Debug::LYXVC] << "\tEntries: " << line << endl;
 226                         if (contains(line, tmpf)) return dir;
 227                 }
 228         }
 229         return string();
 230 }
 231
 232
 233 void CVS::scanMaster()
 234 {
 235         lyxerr[Debug::LYXVC] << "LyXVC::CVS: scanMaster. \n     Checking: "
 236                              << master_ << endl;
 237         // Ok now we do the real scan...
 238         ifstream ifs(master_.c_str());
 239         string tmpf = "/" + OnlyFilename(file_) + "/";
 240         lyxerr[Debug::LYXVC] << "\tlooking for `" << tmpf << "'" << endl;
 241         string line;
 242         LRegex reg("/(.*)/(.*)/(.*)/(.*)/(.*)");
 243         while (getline(ifs, line)) {
 244                 lyxerr[Debug::LYXVC] << "\t  line: " << line << endl;
 245                 if (contains(line, tmpf)) {
 246                         // Ok extract the fields.
 247                         LRegex::SubMatches const & sm = reg.exec(line);
 248                         //sm[0]; // whole matched string
 249                         //sm[1]; // filename
 250                         version_ = LSubstring(line, sm[2].first,
 251                                               sm[2].second);
 252                         string file_date = LSubstring(line, sm[3].first,
 253                                                       sm[3].second);
 254                         //sm[4]; // options
 255                         //sm[5]; // tag or tagdate
 256                         FileInfo fi(file_);
 257                         // FIXME: must double check file is stattable/existing
 258                         time_t mod = fi.getModificationTime();
 259                         string mod_date = strip(asctime(gmtime(&mod)), '\n');
 260                         lyxerr[Debug::LYXVC]
 261                                 <<  "Date in Entries: `" << file_date
 262                                 << "'\nModification date of file: `"
 263                                 << mod_date << "'" << endl;
 264                         if (file_date == mod_date) {
 265                                 locker_ = "Unlocked";
 266                                 vcstatus = UNLOCKED;
 267                         } else {
 268                                 // Here we should also to some more checking
 269                                 // to see if there are conflicts or not.
 270                                 locker_ = "Locked";
 271                                 vcstatus = LOCKED;
 272                         }
 273                         break;
 274                 }
 275         }
 276 }
 277
 278
 279 void CVS::registrer(string const & msg)
 280 {
 281         doVCCommand("cvs -q add -m \"" + msg + "\" \""
 282                     + OnlyFilename(owner_->fileName()) + "\"", owner_->filepath);
 283         owner_->getUser()->owner()->getLyXFunc()->dispatch(LFUN_MENURELOAD);
 284 }
 285
 286
 287 void CVS::checkIn(string const & msg)
 288 {
 289         doVCCommand("cvs -q commit -m \"" + msg + "\" \""
 290                     + OnlyFilename(owner_->fileName()) + "\"",
 291                     owner_->filepath);
 292         owner_->getUser()->owner()->getLyXFunc()->dispatch(LFUN_MENURELOAD);
 293 }
 294
 295
 296 void CVS::checkOut()
 297 {
 298         // cvs update or perhaps for cvs this should be a noop
 299         lyxerr << "Sorry not implemented." << endl;
 300 }
 301
 302
 303 void CVS::revert()
 304 {
 305         // Reverts to the version in CVS repository and
 306         // gets the updated version from the repository.
 307         string const fil = OnlyFilename(owner_->fileName());
 308
 309         doVCCommand("rm -f \"" + fil + "\"; cvs update \"" + fil + "\"",
 310                     owner_->filepath);
 311         owner_->markLyxClean();
 312         owner_->getUser()->owner()
 313                 ->getLyXFunc()->dispatch(LFUN_MENURELOAD);
 314 }
 315
 316
 317 void CVS::undoLast()
 318 {
 319         // merge the current with the previous version
 320         // in a reverse patch kind of way, so that the
 321         // result is to revert the last changes.
 322         lyxerr << "Sorry not implemented." << endl;
 323 }
 324
 325
 326 void CVS::getLog(string const & tmpf)
 327 {
 328         doVCCommand("cvs log \""
 329                     + OnlyFilename(owner_->fileName()) + "\" > " + tmpf,
 330                     owner_->filepath);
 331 }