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 #include "support/systemcall.h"
  21
  22 #include <fstream>
  23
  24 using std::endl;
  25 using std::ifstream;
  26 using std::getline;
  27
  28 int VCS::doVCCommand(string const & cmd, string const & path)
  29 {
  30         lyxerr[Debug::LYXVC] << "doVCCommand: " << cmd << endl;
  31         Systemcall one;
  32         Path p(path);
  33         int const ret = one.startscript(Systemcall::Wait, cmd);
  34         return ret;
  35 }
  36
  37
  38 RCS::RCS(string const & m)
  39 {
  40         master_ = m;
  41         scanMaster();
  42 }
  43
  44
  45 string const RCS::find_file(string const & file)
  46 {
  47         string tmp(file);
  48         // Check if *,v exists.
  49         tmp += ",v";
  50         FileInfo f;
  51         lyxerr[Debug::LYXVC] << "Checking if file is under rcs: "
  52                              << tmp << endl;
  53         if (f.newFile(tmp).readable()) {
  54                 lyxerr[Debug::LYXVC] << "Yes " << file
  55                                      << " is under rcs." << endl;
  56                 return tmp;
  57         } else {
  58                 // Check if RCS/*,v exists.
  59                 tmp = AddName(AddPath(OnlyPath(file), "RCS"), file);
  60                 tmp += ",v";
  61                 lyxerr[Debug::LYXVC] << "Checking if file is under rcs: "
  62                                      << tmp << endl;
  63                 if (f.newFile(tmp).readable()) {
  64                         lyxerr[Debug::LYXVC] << "Yes " << file
  65                                              << " it is under rcs."<< endl;
  66                         return tmp;
  67                 }
  68         }
  69         return string();
  70 }
  71
  72
  73 void RCS::retrieve(string const & file)
  74 {
  75         lyxerr[Debug::LYXVC] << "LyXVC::RCS: retrieve.\n\t" << file << endl;
  76         VCS::doVCCommand("co -q -r \""
  77                          + file + "\"",
  78                          string());
  79 }
  80
  81
  82 void RCS::scanMaster()
  83 {
  84         lyxerr[Debug::LYXVC] << "LyXVC::RCS: scanMaster." << endl;
  85
  86         ifstream ifs(master_.c_str());
  87
  88         string token;
  89         bool read_enough = false;
  90
  91         while (!read_enough && ifs >> token) {
  92                 lyxerr[Debug::LYXVC]
  93                         << "LyXVC::scanMaster: current lex text: `"
  94                         << token << "'" << endl;
  95
  96                 if (token.empty())
  97                         continue;
  98                 else if (token == "head") {
  99                         // get version here
 100                         string tmv;
 101                         ifs >> tmv;
 102                         tmv = strip(tmv, ';');
 103                         version_ = tmv;
 104                         lyxerr[Debug::LYXVC] << "LyXVC: version found to be "
 105                                              << tmv << endl;
 106                 } else if (contains(token, "access")
 107                            || contains(token, "symbols")
 108                            || contains(token, "strict")) {
 109                         // nothing
 110                 } else if (contains(token, "locks")) {
 111                         // get locker here
 112                         if (contains(token, ";")) {
 113                                 locker_ = "Unlocked";
 114                                 vcstatus = UNLOCKED;
 115                                 continue;
 116                         }
 117                         string tmpt;
 118                         string s1;
 119                         string s2;
 120                         do {
 121                                 ifs >> tmpt;
 122                                 s1 = strip(tmpt, ';');
 123                                 // tmp is now in the format <user>:<version>
 124                                 s1 = split(s1, s2, ':');
 125                                 // s2 is user, and s1 is version
 126                                 if (s1 == version_) {
 127                                         locker_ = s2;
 128                                         vcstatus = LOCKED;
 129                                         break;
 130                                 }
 131                         } while (!contains(tmpt, ";"));
 132
 133                 } else if (token == "comment") {
 134                         // we don't need to read any further than this.
 135                         read_enough = true;
 136                 } else {
 137                         // unexpected
 138                         lyxerr[Debug::LYXVC]
 139                                 << "LyXVC::scanMaster(): unexpected token"
 140                                 << endl;
 141                 }
 142         }
 143 }
 144
 145
 146 void RCS::registrer(string const & msg)
 147 {
 148         string cmd = "ci -q -u -i -t-\"";
 149         cmd += msg;
 150         cmd += "\" \"";
 151         cmd += OnlyFilename(owner_->fileName());
 152         cmd += "\"";
 153         doVCCommand(cmd, owner_->filePath());
 154         owner_->getUser()->owner()->getLyXFunc()->dispatch(LFUN_MENURELOAD);
 155 }
 156
 157
 158 void RCS::checkIn(string const & msg)
 159 {
 160         doVCCommand("ci -q -u -m\"" + msg + "\" \""
 161                     + OnlyFilename(owner_->fileName()) + "\"", owner_->filePath());
 162         owner_->getUser()->owner()->getLyXFunc()->dispatch(LFUN_MENURELOAD);
 163 }
 164
 165
 166 void RCS::checkOut()
 167 {
 168         owner_->markLyxClean();
 169         doVCCommand("co -q -l \""
 170                     + OnlyFilename(owner_->fileName()) + "\"", owner_->filePath());
 171         owner_->getUser()->owner()->getLyXFunc()->dispatch(LFUN_MENURELOAD);
 172 }
 173
 174
 175 void RCS::revert()
 176 {
 177         doVCCommand("co -f -u" + version() + " \""
 178                     + OnlyFilename(owner_->fileName()) + "\"", owner_->filePath());
 179         // We ignore changes and just reload!
 180         owner_->markLyxClean();
 181         owner_->getUser()->owner()
 182                 ->getLyXFunc()->dispatch(LFUN_MENURELOAD);
 183 }
 184
 185
 186 void RCS::undoLast()
 187 {
 188         lyxerr[Debug::LYXVC] << "LyXVC: undoLast" << endl;
 189         doVCCommand("rcs -o" + version() + " \""
 190                     + OnlyFilename(owner_->fileName()) + "\"",
 191                     owner_->filePath());
 192 }
 193
 194
 195 void RCS::getLog(string const & tmpf)
 196 {
 197         doVCCommand("rlog \""
 198                     + OnlyFilename(owner_->fileName()) + "\" > " + tmpf, owner_->filePath());
 199 }
 200
 201
 202 CVS::CVS(string const & m, string const & f)
 203 {
 204         master_ = m;
 205         file_ = f;
 206         scanMaster();
 207 }
 208
 209
 210 string const CVS::find_file(string const & file)
 211 {
 212         // First we look for the CVS/Entries in the same dir
 213         // where we have file.
 214         string const dir = OnlyPath(file) + "/CVS/Entries";
 215         string const tmpf = "/" + OnlyFilename(file) + "/";
 216         lyxerr[Debug::LYXVC] << "LyXVC: checking in `" << dir
 217                              << "' for `" << tmpf << "'" << endl;
 218         FileInfo const f(dir);
 219         if (f.readable()) {
 220                 // Ok we are at least in a CVS dir. Parse the CVS/Entries
 221                 // and see if we can find this file. We do a fast and
 222                 // dirty parse here.
 223                 ifstream ifs(dir.c_str());
 224                 string line;
 225                 while (getline(ifs, line)) {
 226                         lyxerr[Debug::LYXVC] << "\tEntries: " << line << endl;
 227                         if (contains(line, tmpf)) return dir;
 228                 }
 229         }
 230         return string();
 231 }
 232
 233
 234 void CVS::scanMaster()
 235 {
 236         lyxerr[Debug::LYXVC] << "LyXVC::CVS: scanMaster. \n     Checking: "
 237                              << master_ << endl;
 238         // Ok now we do the real scan...
 239         ifstream ifs(master_.c_str());
 240         string tmpf = "/" + OnlyFilename(file_) + "/";
 241         lyxerr[Debug::LYXVC] << "\tlooking for `" << tmpf << "'" << endl;
 242         string line;
 243         LRegex reg("/(.*)/(.*)/(.*)/(.*)/(.*)");
 244         while (getline(ifs, line)) {
 245                 lyxerr[Debug::LYXVC] << "\t  line: " << line << endl;
 246                 if (contains(line, tmpf)) {
 247                         // Ok extract the fields.
 248                         LRegex::SubMatches const & sm = reg.exec(line);
 249                         //sm[0]; // whole matched string
 250                         //sm[1]; // filename
 251                         version_ = LSubstring(line, sm[2].first,
 252                                               sm[2].second);
 253                         string file_date = LSubstring(line, sm[3].first,
 254                                                       sm[3].second);
 255                         //sm[4]; // options
 256                         //sm[5]; // tag or tagdate
 257                         FileInfo fi(file_);
 258                         // FIXME: must double check file is stattable/existing
 259                         time_t mod = fi.getModificationTime();
 260                         string mod_date = strip(asctime(gmtime(&mod)), '\n');
 261                         lyxerr[Debug::LYXVC]
 262                                 <<  "Date in Entries: `" << file_date
 263                                 << "'\nModification date of file: `"
 264                                 << mod_date << "'" << endl;
 265                         if (file_date == mod_date) {
 266                                 locker_ = "Unlocked";
 267                                 vcstatus = UNLOCKED;
 268                         } else {
 269                                 // Here we should also to some more checking
 270                                 // to see if there are conflicts or not.
 271                                 locker_ = "Locked";
 272                                 vcstatus = LOCKED;
 273                         }
 274                         break;
 275                 }
 276         }
 277 }
 278
 279
 280 void CVS::registrer(string const & msg)
 281 {
 282         doVCCommand("cvs -q add -m \"" + msg + "\" \""
 283                     + OnlyFilename(owner_->fileName()) + "\"", owner_->filePath());
 284         owner_->getUser()->owner()->getLyXFunc()->dispatch(LFUN_MENURELOAD);
 285 }
 286
 287
 288 void CVS::checkIn(string const & msg)
 289 {
 290         doVCCommand("cvs -q commit -m \"" + msg + "\" \""
 291                     + OnlyFilename(owner_->fileName()) + "\"",
 292                     owner_->filePath());
 293         owner_->getUser()->owner()->getLyXFunc()->dispatch(LFUN_MENURELOAD);
 294 }
 295
 296
 297 void CVS::checkOut()
 298 {
 299         // cvs update or perhaps for cvs this should be a noop
 300         lyxerr << "Sorry not implemented." << endl;
 301 }
 302
 303
 304 void CVS::revert()
 305 {
 306         // Reverts to the version in CVS repository and
 307         // gets the updated version from the repository.
 308         string const fil = OnlyFilename(owner_->fileName());
 309
 310         doVCCommand("rm -f \"" + fil + "\"; cvs update \"" + fil + "\"",
 311                     owner_->filePath());
 312         owner_->markLyxClean();
 313         owner_->getUser()->owner()
 314                 ->getLyXFunc()->dispatch(LFUN_MENURELOAD);
 315 }
 316
 317
 318 void CVS::undoLast()
 319 {
 320         // merge the current with the previous version
 321         // in a reverse patch kind of way, so that the
 322         // result is to revert the last changes.
 323         lyxerr << "Sorry not implemented." << endl;
 324 }
 325
 326
 327 void CVS::getLog(string const & tmpf)
 328 {
 329         doVCCommand("cvs log \""
 330                     + OnlyFilename(owner_->fileName()) + "\" > " + tmpf,
 331                     owner_->filePath());
 332 }