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