src/vc-backend.C

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