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 "frontends/LyXView.h"
  12 #include "funcrequest.h"
  13
  14 #include "support/FileInfo.h"
  15 #include "support/path.h"
  16 #include "support/filetools.h"
  17 #include "support/lstrings.h"
  18 #include "support/systemcall.h"
  19
  20 #include <boost/regex.hpp>
  21
  22 #include <fstream>
  23
  24 #ifndef CXX_GLOBAL_CSTD
  25 using std::asctime;
  26 using std::gmtime;
  27 #endif
  28
  29 using std::endl;
  30 using std::ifstream;
  31 using std::getline;
  32 using boost::regex;
  33 using boost::regex_match;
  34
  35 #ifndef USE_INCLUDED_STRING
  36 using boost::smatch;
  37 #else
  38 using boost::cmatch;
  39 #endif
  40
  41
  42 int VCS::doVCCommand(string const & cmd, string const & path)
  43 {
  44         lyxerr[Debug::LYXVC] << "doVCCommand: " << cmd << endl;
  45         Systemcall one;
  46         Path p(path);
  47         int const ret = one.startscript(Systemcall::Wait, cmd);
  48         return ret;
  49 }
  50
  51
  52 RCS::RCS(string const & m)
  53 {
  54         master_ = m;
  55         scanMaster();
  56 }
  57
  58
  59 string const RCS::find_file(string const & file)
  60 {
  61         string tmp(file);
  62         // Check if *,v exists.
  63         tmp += ",v";
  64         FileInfo f;
  65         lyxerr[Debug::LYXVC] << "Checking if file is under rcs: "
  66                              << tmp << endl;
  67         if (f.newFile(tmp).readable()) {
  68                 lyxerr[Debug::LYXVC] << "Yes " << file
  69                                      << " is under rcs." << endl;
  70                 return tmp;
  71         } else {
  72                 // Check if RCS/*,v exists.
  73                 tmp = AddName(AddPath(OnlyPath(file), "RCS"), file);
  74                 tmp += ",v";
  75                 lyxerr[Debug::LYXVC] << "Checking if file is under rcs: "
  76                                      << tmp << endl;
  77                 if (f.newFile(tmp).readable()) {
  78                         lyxerr[Debug::LYXVC] << "Yes " << file
  79                                              << " it is under rcs."<< endl;
  80                         return tmp;
  81                 }
  82         }
  83         return string();
  84 }
  85
  86
  87 void RCS::retrieve(string const & file)
  88 {
  89         lyxerr[Debug::LYXVC] << "LyXVC::RCS: retrieve.\n\t" << file << endl;
  90         VCS::doVCCommand("co -q -r \""
  91                          + file + "\"",
  92                          string());
  93 }
  94
  95
  96 void RCS::scanMaster()
  97 {
  98         lyxerr[Debug::LYXVC] << "LyXVC::RCS: scanMaster." << endl;
  99
 100         ifstream ifs(master_.c_str());
 101
 102         string token;
 103         bool read_enough = false;
 104
 105         while (!read_enough && ifs >> token) {
 106                 lyxerr[Debug::LYXVC]
 107                         << "LyXVC::scanMaster: current lex text: `"
 108                         << token << "'" << endl;
 109
 110                 if (token.empty())
 111                         continue;
 112                 else if (token == "head") {
 113                         // get version here
 114                         string tmv;
 115                         ifs >> tmv;
 116                         tmv = rtrim(tmv, ";");
 117                         version_ = tmv;
 118                         lyxerr[Debug::LYXVC] << "LyXVC: version found to be "
 119                                              << tmv << endl;
 120                 } else if (contains(token, "access")
 121                            || contains(token, "symbols")
 122                            || contains(token, "strict")) {
 123                         // nothing
 124                 } else if (contains(token, "locks")) {
 125                         // get locker here
 126                         if (contains(token, ";")) {
 127                                 locker_ = "Unlocked";
 128                                 vcstatus = UNLOCKED;
 129                                 continue;
 130                         }
 131                         string tmpt;
 132                         string s1;
 133                         string s2;
 134                         do {
 135                                 ifs >> tmpt;
 136                                 s1 = rtrim(tmpt, ";");
 137                                 // tmp is now in the format <user>:<version>
 138                                 s1 = split(s1, s2, ':');
 139                                 // s2 is user, and s1 is version
 140                                 if (s1 == version_) {
 141                                         locker_ = s2;
 142                                         vcstatus = LOCKED;
 143                                         break;
 144                                 }
 145                         } while (!contains(tmpt, ";"));
 146
 147                 } else if (token == "comment") {
 148                         // we don't need to read any further than this.
 149                         read_enough = true;
 150                 } else {
 151                         // unexpected
 152                         lyxerr[Debug::LYXVC]
 153                                 << "LyXVC::scanMaster(): unexpected token"
 154                                 << endl;
 155                 }
 156         }
 157 }
 158
 159
 160 void RCS::registrer(string const & msg)
 161 {
 162         string cmd = "ci -q -u -i -t-\"";
 163         cmd += msg;
 164         cmd += "\" \"";
 165         cmd += OnlyFilename(owner_->fileName());
 166         cmd += "\"";
 167         doVCCommand(cmd, owner_->filePath());
 168         owner_->getUser()->owner()->dispatch(FuncRequest(LFUN_MENURELOAD));
 169 }
 170
 171
 172 void RCS::checkIn(string const & msg)
 173 {
 174         doVCCommand("ci -q -u -m\"" + msg + "\" \""
 175                     + OnlyFilename(owner_->fileName()) + "\"", owner_->filePath());
 176         owner_->getUser()->owner()->dispatch(FuncRequest(LFUN_MENURELOAD));
 177 }
 178
 179
 180 void RCS::checkOut()
 181 {
 182         owner_->markClean();
 183         doVCCommand("co -q -l \""
 184                     + OnlyFilename(owner_->fileName()) + "\"", owner_->filePath());
 185         owner_->getUser()->owner()->dispatch(FuncRequest(LFUN_MENURELOAD));
 186 }
 187
 188
 189 void RCS::revert()
 190 {
 191         doVCCommand("co -f -u" + version() + " \""
 192                     + OnlyFilename(owner_->fileName()) + "\"", owner_->filePath());
 193         // We ignore changes and just reload!
 194         owner_->markClean();
 195         owner_->getUser()->owner()->dispatch(FuncRequest(LFUN_MENURELOAD));
 196 }
 197
 198
 199 void RCS::undoLast()
 200 {
 201         lyxerr[Debug::LYXVC] << "LyXVC: undoLast" << endl;
 202         doVCCommand("rcs -o" + version() + " \""
 203                     + OnlyFilename(owner_->fileName()) + "\"",
 204                     owner_->filePath());
 205 }
 206
 207
 208 void RCS::getLog(string const & tmpf)
 209 {
 210         doVCCommand("rlog \""
 211                     + OnlyFilename(owner_->fileName()) + "\" > " + tmpf, owner_->filePath());
 212 }
 213
 214
 215 CVS::CVS(string const & m, string const & f)
 216 {
 217         master_ = m;
 218         file_ = f;
 219         scanMaster();
 220 }
 221
 222
 223 string const CVS::find_file(string const & file)
 224 {
 225         // First we look for the CVS/Entries in the same dir
 226         // where we have file.
 227         string const dir = OnlyPath(file) + "/CVS/Entries";
 228         string const tmpf = "/" + OnlyFilename(file) + "/";
 229         lyxerr[Debug::LYXVC] << "LyXVC: checking in `" << dir
 230                              << "' for `" << tmpf << "'" << endl;
 231         FileInfo const f(dir);
 232         if (f.readable()) {
 233                 // Ok we are at least in a CVS dir. Parse the CVS/Entries
 234                 // and see if we can find this file. We do a fast and
 235                 // dirty parse here.
 236                 ifstream ifs(dir.c_str());
 237                 string line;
 238                 while (getline(ifs, line)) {
 239                         lyxerr[Debug::LYXVC] << "\tEntries: " << line << endl;
 240                         if (contains(line, tmpf)) return dir;
 241                 }
 242         }
 243         return string();
 244 }
 245
 246
 247 void CVS::scanMaster()
 248 {
 249         lyxerr[Debug::LYXVC] << "LyXVC::CVS: scanMaster. \n     Checking: "
 250                              << master_ << endl;
 251         // Ok now we do the real scan...
 252         ifstream ifs(master_.c_str());
 253         string tmpf = "/" + OnlyFilename(file_) + "/";
 254         lyxerr[Debug::LYXVC] << "\tlooking for `" << tmpf << "'" << endl;
 255         string line;
 256         regex reg("/(.*)/(.*)/(.*)/(.*)/(.*)");
 257         while (getline(ifs, line)) {
 258                 lyxerr[Debug::LYXVC] << "\t  line: " << line << endl;
 259                 if (contains(line, tmpf)) {
 260                         // Ok extract the fields.
 261 #ifndef USE_INCLUDED_STRING
 262                         smatch sm;
 263 #else
 264                         cmatch sm;
 265 #endif
 266                         regex_match(STRCONV(line), sm, reg);
 267
 268                         //sm[0]; // whole matched string
 269                         //sm[1]; // filename
 270                         version_ = STRCONV(sm.str(2));
 271                         string const file_date = STRCONV(sm.str(3));
 272
 273                         //sm[4]; // options
 274                         //sm[5]; // tag or tagdate
 275                         FileInfo fi(file_);
 276                         // FIXME: must double check file is stattable/existing
 277                         time_t mod = fi.getModificationTime();
 278                         string mod_date = rtrim(asctime(gmtime(&mod)), "\n");
 279                         lyxerr[Debug::LYXVC]
 280                                 <<  "Date in Entries: `" << file_date
 281                                 << "'\nModification date of file: `"
 282                                 << mod_date << "'" << endl;
 283                         if (file_date == mod_date) {
 284                                 locker_ = "Unlocked";
 285                                 vcstatus = UNLOCKED;
 286                         } else {
 287                                 // Here we should also to some more checking
 288                                 // to see if there are conflicts or not.
 289                                 locker_ = "Locked";
 290                                 vcstatus = LOCKED;
 291                         }
 292                         break;
 293                 }
 294         }
 295 }
 296
 297
 298 void CVS::registrer(string const & msg)
 299 {
 300         doVCCommand("cvs -q add -m \"" + msg + "\" \""
 301                     + OnlyFilename(owner_->fileName()) + "\"", owner_->filePath());
 302         owner_->getUser()->owner()->dispatch(FuncRequest(LFUN_MENURELOAD));
 303 }
 304
 305
 306 void CVS::checkIn(string const & msg)
 307 {
 308         doVCCommand("cvs -q commit -m \"" + msg + "\" \""
 309                     + OnlyFilename(owner_->fileName()) + "\"",
 310                     owner_->filePath());
 311         owner_->getUser()->owner()->dispatch(FuncRequest(LFUN_MENURELOAD));
 312 }
 313
 314
 315 void CVS::checkOut()
 316 {
 317         // cvs update or perhaps for cvs this should be a noop
 318         lyxerr << "Sorry not implemented." << endl;
 319 }
 320
 321
 322 void CVS::revert()
 323 {
 324         // Reverts to the version in CVS repository and
 325         // gets the updated version from the repository.
 326         string const fil = OnlyFilename(owner_->fileName());
 327
 328         doVCCommand("rm -f \"" + fil + "\"; cvs update \"" + fil + "\"",
 329                     owner_->filePath());
 330         owner_->markClean();
 331         owner_->getUser()->owner()->dispatch(FuncRequest(LFUN_MENURELOAD));
 332 }
 333
 334
 335 void CVS::undoLast()
 336 {
 337         // merge the current with the previous version
 338         // in a reverse patch kind of way, so that the
 339         // result is to revert the last changes.
 340         lyxerr << "Sorry not implemented." << endl;
 341 }
 342
 343
 344 void CVS::getLog(string const & tmpf)
 345 {
 346         doVCCommand("cvs log \""
 347                     + OnlyFilename(owner_->fileName()) + "\" > " + tmpf,
 348                     owner_->filePath());
 349 }