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