src/vc-backend.C

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