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