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