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