src/converter.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 1995 Matthias Ettrich
   7  *           Copyright 1995-2000 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12
  13 #ifdef __GNUG__
  14 #pragma implementation
  15 #endif
  16
  17 #include <cctype>
  18
  19 #include "converter.h"
  20 #include "lyxrc.h"
  21 #include "support/syscall.h"
  22 #include "support/path.h"
  23 #include "support/filetools.h"
  24 #include "buffer.h"
  25 #include "bufferview_funcs.h"
  26 #include "LaTeX.h"
  27 #include "LyXView.h"
  28 #include "lyx_gui_misc.h"
  29 #include "lyx_cb.h" // ShowMessage()
  30 #include "support/lyxfunctional.h"
  31 #include "gettext.h"
  32
  33 using std::vector;
  34 using std::queue;
  35 using std::endl;
  36 using std::fill;
  37 using std::find_if;
  38 using std::reverse;
  39 using std::sort;
  40
  41 namespace {
  42
  43 string const token_from("$$i");
  44 string const token_base("$$b");
  45 string const token_to("$$o");
  46
  47 //////////////////////////////////////////////////////////////////////////////
  48
  49 inline
  50 string const add_options(string const & command, string const & options)
  51 {
  52         string head;
  53         string const tail = split(command, head, ' ');
  54         return head + ' ' + options + ' ' + tail;
  55 }
  56
  57 } // namespace anon
  58
  59 //////////////////////////////////////////////////////////////////////////////
  60
  61 bool Format::dummy() const
  62 {
  63         return extension().empty();
  64 }
  65
  66
  67 bool Format::IsChildFormat() const
  68 {
  69         if (name_.empty())
  70                 return false;
  71         return isdigit(name_[name_.length() - 1]);
  72 }
  73
  74
  75 string const Format::ParentFormat() const
  76 {
  77         return name_.substr(0, name_.length() - 1);
  78 }
  79
  80 //////////////////////////////////////////////////////////////////////////////
  81
  82 // This method should return a reference, and throw an exception
  83 // if the format named name cannot be found (Lgb)
  84 Format const * Formats::GetFormat(string const & name) const
  85 {
  86         FormatList::const_iterator cit =
  87                 find_if(formatlist.begin(), formatlist.end(),
  88                         lyx::compare_memfun(&Format::name, name));
  89         if (cit != formatlist.end())
  90                 return &(*cit);
  91         else
  92                 return 0;
  93 }
  94
  95
  96 int Formats::GetNumber(string const & name) const
  97 {
  98         FormatList::const_iterator cit =
  99                 find_if(formatlist.begin(), formatlist.end(),
 100                         lyx::compare_memfun(&Format::name, name));
 101         if (cit != formatlist.end())
 102                 return cit - formatlist.begin();
 103         else
 104                 return -1;
 105 }
 106
 107
 108 void Formats::Add(string const & name)
 109 {
 110         if (!GetFormat(name))
 111                 Add(name, name, name, string());
 112 }
 113
 114
 115 void Formats::Add(string const & name, string const & extension,
 116                   string const & prettyname, string const & shortcut)
 117 {
 118         FormatList::iterator it =
 119                 find_if(formatlist.begin(), formatlist.end(),
 120                         lyx::compare_memfun(&Format::name, name));
 121         if (it == formatlist.end())
 122                 formatlist.push_back(Format(name, extension, prettyname,
 123                                             shortcut, ""));
 124         else {
 125                 string viewer = it->viewer();
 126                 *it = Format(name, extension, prettyname, shortcut, viewer);
 127         }
 128 }
 129
 130
 131 void Formats::Delete(string const & name)
 132 {
 133         FormatList::iterator it =
 134                 find_if(formatlist.begin(), formatlist.end(),
 135                         lyx::compare_memfun(&Format::name, name));
 136         if (it != formatlist.end())
 137                 formatlist.erase(it);
 138 }
 139
 140
 141 void Formats::Sort()
 142 {
 143         sort(formatlist.begin(), formatlist.end());
 144 }
 145
 146
 147 void Formats::SetViewer(string const & name, string const & command)
 148 {
 149         Add(name);
 150         FormatList::iterator it =
 151                 find_if(formatlist.begin(), formatlist.end(),
 152                         lyx::compare_memfun(&Format::name, name));
 153         if (it != formatlist.end())
 154                 it->setViewer(command);
 155 }
 156
 157
 158 bool Formats::View(Buffer const * buffer, string const & filename,
 159                    string const & format_name) const
 160 {
 161         if (filename.empty())
 162                 return false;
 163
 164         Format const * format = GetFormat(format_name);
 165         if (format && format->viewer().empty() &&
 166             format->IsChildFormat())
 167                 format = GetFormat(format->ParentFormat());
 168         if (!format || format->viewer().empty()) {
 169                 WriteAlert(_("Can not view file"),
 170                            _("No information for viewing ")
 171                            + PrettyName(format_name));
 172                            return false;
 173         }
 174
 175         string command = format->viewer();
 176
 177         if (format_name == "dvi" &&
 178             !lyxrc.view_dvi_paper_option.empty()) {
 179                 command += " " + lyxrc.view_dvi_paper_option;
 180                 string paper_size = converters.papersize(buffer);
 181                 if (paper_size == "letter")
 182                         paper_size = "us";
 183                 command += " " + paper_size;
 184                 if (buffer->params.orientation
 185                     == BufferParams::ORIENTATION_LANDSCAPE)
 186                         command += 'r';
 187         }
 188
 189         command += " " + QuoteName(OnlyFilename((filename)));
 190
 191         lyxerr << "Executing command: " << command << endl;
 192         ShowMessage(buffer, _("Executing command:"), command);
 193
 194         Path p(OnlyPath(filename));
 195         Systemcalls one;
 196         int const res = one.startscript(Systemcalls::SystemDontWait, command);
 197
 198         if (res) {
 199                 WriteAlert(_("Can not view file"),
 200                            _("Error while executing"),
 201                            command.substr(0, 50));
 202                 return false;
 203         }
 204         return true;
 205 }
 206
 207
 208 string const Formats::PrettyName(string const & name) const
 209 {
 210         Format const * format = GetFormat(name);
 211         if (format)
 212                 return format->prettyname();
 213         else
 214                 return name;
 215 }
 216
 217
 218 string const Formats::Extension(string const & name) const
 219 {
 220         Format const * format = GetFormat(name);
 221         if (format)
 222                 return format->extension();
 223         else
 224                 return name;
 225 }
 226
 227 //////////////////////////////////////////////////////////////////////////////
 228
 229 void Converter::ReadFlags()
 230 {
 231         string flag_list(flags);
 232         while (!flag_list.empty()) {
 233                 string flag_name, flag_value;
 234                 flag_list = split(flag_list, flag_value, ',');
 235                 flag_value = split(flag_value, flag_name, '=');
 236                 if (flag_name == "latex")
 237                         latex = true;
 238                 else if (flag_name == "originaldir")
 239                         original_dir = true;
 240                 else if (flag_name == "needaux")
 241                         need_aux = true;
 242                 else if (flag_name == "resultdir")
 243                         result_dir = (flag_value.empty())
 244                                 ? token_base : flag_value;
 245                 else if (flag_name == "resultfile")
 246                         result_file = flag_value;
 247                 else if (flag_name == "parselog")
 248                         parselog = flag_value;
 249         }
 250         if (!result_dir.empty() && result_file.empty())
 251                 result_file = "index." + formats.Extension(to);
 252         //if (!contains(command, token_from))
 253         //      latex = true;
 254 }
 255
 256
 257 bool operator<(Converter const & a, Converter const & b)
 258 {
 259         int const i = compare_no_case(a.From->prettyname(),
 260                                       b.From->prettyname());
 261         if (i == 0)
 262                 return compare_no_case(a.To->prettyname(), b.To->prettyname())
 263                         < 0;
 264         else
 265                 return i < 0;
 266 }
 267
 268 //////////////////////////////////////////////////////////////////////////////
 269
 270 class compare_Converter {
 271 public:
 272         compare_Converter(string const & f, string const & t)
 273                 : from(f), to(t) {}
 274         bool operator()(Converter const & c) {
 275                 return c.from == from && c.to == to;
 276         }
 277 private:
 278         string const & from;
 279         string const & to;
 280 };
 281
 282
 283 Converter const * Converters::GetConverter(string const & from,
 284                                             string const & to)
 285 {
 286         ConverterList::const_iterator cit =
 287                 find_if(converterlist.begin(), converterlist.end(),
 288                         compare_Converter(from, to));
 289         if (cit != converterlist.end())
 290                 return &(*cit);
 291         else
 292                 return 0;
 293 }
 294
 295
 296 int Converters::GetNumber(string const & from, string const & to)
 297 {
 298         ConverterList::const_iterator cit =
 299                 find_if(converterlist.begin(), converterlist.end(),
 300                         compare_Converter(from, to));
 301         if (cit != converterlist.end())
 302                 return cit - converterlist.begin();
 303         else
 304                 return -1;
 305 }
 306
 307
 308 void Converters::Add(string const & from, string const & to,
 309                      string const & command, string const & flags)
 310 {
 311         formats.Add(from);
 312         formats.Add(to);
 313         ConverterList::iterator it = find_if(converterlist.begin(),
 314                                              converterlist.end(),
 315                                              compare_Converter(from, to));
 316
 317         Converter converter(from, to, command, flags);
 318         if (it != converterlist.end() && !flags.empty() && flags[0] == '*') {
 319                 converter = *it;
 320                 converter.command = command;
 321                 converter.flags = flags;
 322         }
 323         converter.ReadFlags();
 324
 325         if (converter.latex && (latex_command.empty() || to == "dvi"))
 326                 latex_command = subst(command, token_from, "");
 327         // If we have both latex & pdflatex, we set latex_command to latex.
 328         // The latex_command is used to update the .aux file when running
 329         // a converter that uses it.
 330
 331         if (it == converterlist.end())
 332                 converterlist.push_back(converter);
 333         else {
 334                 converter.From = it->From;
 335                 converter.To = it->To;
 336                 *it = converter;
 337         }
 338 }
 339
 340
 341 void Converters::Delete(string const & from, string const & to)
 342 {
 343         ConverterList::iterator it = find_if(converterlist.begin(),
 344                                              converterlist.end(),
 345                                              compare_Converter(from, to));
 346         if (it != converterlist.end())
 347                 converterlist.erase(it);
 348 }
 349
 350
 351 // This method updates the pointers From and To in all the converters.
 352 // The code is not very efficient, but it doesn't matter as the number
 353 // of formats and converters is small.
 354 // Furthermore, this method is called only on startup, or after
 355 // adding/deleting a format in FormPreferences (the latter calls can be
 356 // eliminated if the formats in the Formats class are stored using a map or
 357 // a list (instead of a vector), but this will cause other problems).
 358 void Converters::Update(Formats const & formats)
 359 {
 360         for (ConverterList::iterator it = converterlist.begin();
 361              it != converterlist.end(); ++it) {
 362                 it->From = formats.GetFormat(it->from);
 363                 it->To = formats.GetFormat(it->to);
 364         }
 365 }
 366
 367
 368 // This method updates the pointers From and To in the last converter.
 369 // It is called when adding a new converter in FormPreferences
 370 void Converters::UpdateLast(Formats const & formats)
 371 {
 372         if (converterlist.begin() != converterlist.end()) {
 373                 ConverterList::iterator it = converterlist.end()-1;
 374                 it->From = formats.GetFormat(it->from);
 375                 it->To = formats.GetFormat(it->to);
 376         }
 377 }
 378
 379
 380 void Converters::Sort()
 381 {
 382         sort(converterlist.begin(), converterlist.end());
 383 }
 384
 385
 386 int Converters::BFS_init(string const & start, bool clear_visited)
 387 {
 388         int const s = formats.GetNumber(start);
 389         if (s < 0)
 390                 return s;
 391
 392         Q = queue<int>();
 393         if (clear_visited)
 394                 fill(visited.begin(), visited.end(), false);
 395         if (visited[s] == false) {
 396                 Q.push(s);
 397                 visited[s] = true;
 398         }
 399         return s;
 400 }
 401
 402
 403 vector<Format const *> const
 404 Converters::GetReachableTo(string const & target, bool clear_visited)
 405 {
 406         vector<Format const *> result;
 407         int const s = BFS_init(target, clear_visited);
 408         if (s < 0)
 409                 return result;
 410
 411         while (!Q.empty()) {
 412                 int const i = Q.front();
 413                 Q.pop();
 414                 if (i != s || target != "lyx")
 415                         result.push_back(&formats.Get(i));
 416                 for (vector<int>::iterator it = vertices[i].in_vertices.begin();
 417                      it != vertices[i].in_vertices.end(); ++it)
 418                         if (!visited[*it]) {
 419                                 visited[*it] = true;
 420                                 Q.push(*it);
 421                         }
 422         }
 423
 424         return result;
 425 }
 426
 427
 428 vector<Format const *> const
 429 Converters::GetReachable(string const & from, bool only_viewable,
 430                          bool clear_visited)
 431 {
 432         vector<Format const *> result;
 433
 434         if (BFS_init(from, clear_visited) < 0)
 435                 return result;
 436
 437         while (!Q.empty()) {
 438                 int const i = Q.front();
 439                 Q.pop();
 440                 Format const & format = formats.Get(i);
 441                 if (format.name() == "lyx")
 442                         continue;
 443                 if (!only_viewable || !format.viewer().empty() ||
 444                     format.IsChildFormat())
 445                         result.push_back(&format);
 446                 for (vector<int>::iterator it = vertices[i].out_vertices.begin();
 447                      it != vertices[i].out_vertices.end(); ++it)
 448                         if (!visited[*it]) {
 449                                 visited[*it] = true;
 450                                 Q.push(*it);
 451                         }
 452         }
 453
 454         return result;
 455 }
 456
 457
 458 bool Converters::IsReachable(string const & from, string const & to)
 459 {
 460         if (from == to)
 461                 return true;
 462
 463         int const s = BFS_init(from);
 464         int const t = formats.GetNumber(to);
 465         if (s < 0 || t < 0)
 466                 return false;
 467
 468         while (!Q.empty()) {
 469                 int const i = Q.front();
 470                 Q.pop();
 471                 if (i == t)
 472                         return true;
 473                 for (vector<int>::iterator it = vertices[i].out_vertices.begin();
 474                      it != vertices[i].out_vertices.end(); ++it)
 475                         if (!visited[*it]) {
 476                                 visited[*it] = true;
 477                                 Q.push(*it);
 478                         }
 479         }
 480
 481         return false;
 482 }
 483
 484
 485 Converters::EdgePath const
 486 Converters::GetPath(string const & from, string const & to)
 487 {
 488         EdgePath path;
 489         if (from == to)
 490                 return path;
 491
 492         int const s = BFS_init(from);
 493         int t = formats.GetNumber(to);
 494         if (s < 0 || t < 0)
 495                 return path;
 496
 497         vector<int> prev_edge(formats.size());
 498         vector<int> prev_vertex(formats.size());
 499
 500         bool found = false;
 501         while (!Q.empty()) {
 502                 int const i = Q.front();
 503                 Q.pop();
 504                 if (i == t) {
 505                         found = true;
 506                         break;
 507                 }
 508                 for (vector<int>::iterator it = vertices[i].out_vertices.begin();
 509                      it != vertices[i].out_vertices.end(); ++it)
 510                         if (!visited[*it]) {
 511                                 int const j = *it;
 512                                 visited[j] = true;
 513                                 Q.push(j);
 514                                 int const k = it - vertices[i].out_vertices.begin();
 515                                 prev_edge[j] = vertices[i].out_edges[k];
 516                                 prev_vertex[j] = i;
 517                         }
 518         }
 519         if (!found)
 520                 return path;
 521
 522         while (t != s) {
 523                 path.push_back(prev_edge[t]);
 524                 t = prev_vertex[t];
 525         }
 526         reverse(path.begin(), path.end());
 527         return path;
 528 }
 529
 530
 531 bool Converters::UsePdflatex(EdgePath const & path)
 532 {
 533         for (EdgePath::const_iterator cit = path.begin();
 534              cit != path.end(); ++cit) {
 535                 Converter const & conv = converterlist[*cit];
 536                 if (conv.latex)
 537                         return contains(conv.to, "pdf");
 538         }
 539         return false;
 540 }
 541
 542
 543 bool Converters::Convert(Buffer const * buffer,
 544                          string const & from_file, string const & to_file_base,
 545                          string const & from_format, string const & to_format,
 546                          string & to_file)
 547 {
 548         to_file = ChangeExtension(to_file_base,
 549                                   formats.Extension(to_format));
 550
 551         if (from_format == to_format)
 552                 return Move(from_file, to_file, false);
 553
 554         EdgePath edgepath = GetPath(from_format, to_format);
 555         if (edgepath.empty()) {
 556                 WriteAlert(_("Can not convert file"),
 557                            _("No information for converting from ")
 558                            + formats.PrettyName(from_format) + _(" to ")
 559                            + formats.PrettyName(to_format));
 560                 return false;
 561         }
 562
 563         string path = OnlyPath(from_file);
 564         Path p(path);
 565
 566         bool run_latex = false;
 567         string from_base = ChangeExtension(from_file, "");
 568         string to_base = ChangeExtension(to_file, "");
 569         string infile;
 570         string outfile = from_file;
 571         for (EdgePath::const_iterator cit = edgepath.begin();
 572              cit != edgepath.end(); ++cit) {
 573                 Converter const & conv = converterlist[*cit];
 574                 bool dummy = conv.To->dummy() && conv.to != "program";
 575                 if (!dummy)
 576                         lyxerr << "Converting from  "
 577                                << conv.from << " to " << conv.to << endl;
 578                 infile = outfile;
 579                 outfile = conv.result_dir.empty()
 580                         ? ChangeExtension(from_file, conv.To->extension())
 581                         : AddName(subst(conv.result_dir,
 582                                         token_base, from_base),
 583                                   subst(conv.result_file,
 584                                         token_base, OnlyFilename(from_base)));
 585
 586                 if (conv.latex) {
 587                         run_latex = true;
 588                         string command = subst(conv.command, token_from, "");
 589                         lyxerr << "Running " << command << endl;
 590                         if (!runLaTeX(buffer, command))
 591                                 return false;
 592                 } else {
 593                         if (conv.need_aux && !run_latex
 594                             && !latex_command.empty()) {
 595                                 lyxerr << "Running " << latex_command
 596                                        << " to update aux file"<<  endl;
 597                                 runLaTeX(buffer, latex_command);
 598                         }
 599
 600                         string infile2 = (conv.original_dir)
 601                                 ? infile : MakeRelPath(infile, path);
 602                         string outfile2 = (conv.original_dir)
 603                                 ? outfile : MakeRelPath(outfile, path);
 604
 605                         string command = conv.command;
 606                         command = subst(command, token_from, QuoteName(infile2));
 607                         command = subst(command, token_base, QuoteName(from_base));
 608                         command = subst(command, token_to, QuoteName(outfile2));
 609
 610                         if (!conv.parselog.empty())
 611                                 command += " 2> " + QuoteName(infile2 + ".out");
 612
 613                         if (conv.from == "dvi" && conv.to == "ps")
 614                                 command = add_options(command,
 615                                                       dvips_options(buffer));
 616                         else if (conv.from == "dvi" && prefixIs(conv.to, "pdf"))
 617                                 command = add_options(command,
 618                                                       dvipdfm_options(buffer));
 619
 620                         lyxerr << "Calling " << command << endl;
 621                         if (buffer)
 622                                 ShowMessage(buffer, _("Executing command:"), command);
 623
 624                         Systemcalls::Starttype type = (dummy)
 625                                 ? Systemcalls::SystemDontWait : Systemcalls::System;
 626                         Systemcalls one;
 627                         int res;
 628                         if (conv.original_dir && buffer) {
 629                                 Path p(buffer->filepath);
 630                                 res = one.startscript(type, command);
 631                         } else
 632                                 res = one.startscript(type, command);
 633
 634                         if (!conv.parselog.empty()) {
 635                                 string const logfile =  infile2 + ".log";
 636                                 string const command2 = conv.parselog +
 637                                         " < " + QuoteName(infile2 + ".out") +
 638                                         " > " + QuoteName(logfile);
 639                                 one.startscript(Systemcalls::System, command2);
 640                                 if (!scanLog(buffer, command, logfile))
 641                                         return false;
 642                         }
 643
 644                         if (res) {
 645                                 if (conv.to == "program")
 646                                         WriteAlert(_("There were errors during the Build process."),
 647                                                    _("You should try to fix them."));
 648                                 else
 649                                         WriteAlert(_("Can not convert file"),
 650                                                    "Error while executing",
 651                                                    command.substr(0, 50));
 652                                 return false;
 653                         }
 654                 }
 655         }
 656
 657         Converter const & conv = converterlist[edgepath.back()];
 658         if (conv.To->dummy())
 659                 return true;
 660
 661
 662         if (!conv.result_dir.empty()) {
 663                 to_file = AddName(subst(conv.result_dir, token_base, to_base),
 664                                   subst(conv.result_file,
 665                                         token_base, OnlyFilename(to_base)));
 666                 if (from_base != to_base) {
 667                         string from = subst(conv.result_dir,
 668                                             token_base, from_base);
 669                         string to = subst(conv.result_dir,
 670                                           token_base, to_base);
 671                         if (!lyx::rename(from, to)) {
 672                                 WriteAlert(_("Error while trying to move directory:"),
 673                                            from, ("to ") + to);
 674                                 return false;
 675                         }
 676                 }
 677                 return true;
 678         } else
 679                 return Move(outfile, to_file, conv.latex);
 680 }
 681
 682 // If from = /path/file.ext and to = /path2/file2.ext2 then this method
 683 // moves each /path/file*.ext file to /path2/file2*.ext2'
 684 bool Converters::Move(string const & from, string const & to, bool copy)
 685 {
 686         if (from == to)
 687                 return true;
 688
 689         bool no_errors = true;
 690         string const path = OnlyPath(from);
 691         string const base = OnlyFilename(ChangeExtension(from, ""));
 692         string const to_base = ChangeExtension(to, "");
 693         string const to_extension = GetExtension(to);
 694
 695         vector<string> files = DirList(OnlyPath(from), GetExtension(from));
 696         for (vector<string>::const_iterator it = files.begin();
 697              it != files.end(); ++it)
 698                 if (prefixIs(*it, base)) {
 699                         string from2 = path + *it;
 700                         string to2 = to_base + (*it).substr(base.length());
 701                         to2 = ChangeExtension(to2, to_extension);
 702                         lyxerr << "moving " << from2 << " to " << to2 << endl;
 703                         bool moved = (copy)
 704                                 ? lyx::copy(from2, to2)
 705                                 : lyx::rename(from2, to2);
 706                         if (!moved && no_errors) {
 707                                 WriteAlert(_("Error while trying to move file:"),
 708                                            from2, _("to ") + to2);
 709                                 no_errors = false;
 710                         }
 711                 }
 712         return no_errors;
 713 }
 714
 715 bool Converters::Convert(Buffer const * buffer,
 716                         string const & from_file, string const & to_file_base,
 717                         string const & from_format, string const & to_format)
 718 {
 719         string to_file;
 720         return Convert(buffer, from_file, to_file_base, from_format, to_format,
 721                        to_file);
 722 }
 723
 724
 725
 726 void Converters::BuildGraph()
 727 {
 728         vertices = vector<Vertex>(formats.size());
 729         visited.resize(formats.size());
 730
 731         for (ConverterList::iterator it = converterlist.begin();
 732              it != converterlist.end(); ++it) {
 733                 int const s = formats.GetNumber(it->from);
 734                 int const t = formats.GetNumber(it->to);
 735                 vertices[t].in_vertices.push_back(s);
 736                 vertices[s].out_vertices.push_back(t);
 737                 vertices[s].out_edges.push_back(it - converterlist.begin());
 738         }
 739 }
 740
 741
 742 bool Converters::FormatIsUsed(string const & format)
 743 {
 744         for (ConverterList::const_iterator cit = converterlist.begin();
 745             cit != converterlist.end(); ++cit)
 746                 if (cit->from == format || cit->to == format)
 747                         return true;
 748         return false;
 749 }
 750
 751
 752 bool Converters::scanLog(Buffer const * buffer, string const & command,
 753                         string const & filename)
 754 {
 755         if (!buffer)
 756                 return false;
 757
 758         BufferView * bv = buffer->getUser();
 759         bool need_redraw = false;
 760         if (bv) {
 761                 ProhibitInput(bv);
 762                 // Remove all error insets
 763                 need_redraw = bv->removeAutoInsets();
 764         }
 765
 766         LaTeX latex("", filename, "");
 767         TeXErrors terr;
 768         int result = latex.scanLogFile(terr);
 769         if (bv) {
 770                 if ((result & LaTeX::ERRORS)) {
 771                         // Insert all errors as errors boxes
 772                         bv->insertErrors(terr);
 773                         need_redraw = true;
 774                 }
 775                 if (need_redraw) {
 776                         bv->redraw();
 777                         bv->fitCursor(bv->text);
 778                 }
 779                 AllowInput(bv);
 780         }
 781
 782         if ((result & LaTeX::ERRORS)) {
 783                 int num_errors = latex.getNumErrors();
 784                 string s;
 785                 string t;
 786                 if (num_errors == 1) {
 787                         s = _("One error detected");
 788                         t = _("You should try to fix it.");
 789                 } else {
 790                         s = tostr(num_errors);
 791                         s += _(" errors detected.");
 792                         t = _("You should try to fix them.");
 793                 }
 794                 string head;
 795                 split(command, head, ' ');
 796                 WriteAlert(_("There were errors during running of ") + head,
 797                            s, t);
 798                 return false;
 799         } else if (result & LaTeX::NO_OUTPUT) {
 800                 string const s = _("The operation resulted in");
 801                 string const t = _("an empty file.");
 802                 WriteAlert(_("Resulting file is empty"), s, t);
 803                 return false;
 804         }
 805         return true;
 806 }
 807
 808
 809 bool Converters::runLaTeX(Buffer const * buffer, string const & command)
 810 {
 811         if (!buffer)
 812                 return false;
 813
 814         BufferView * bv = buffer->getUser();
 815         string name = buffer->getLatexName();
 816         bool need_redraw = false;
 817
 818         if (bv) {
 819                 ProhibitInput(bv);
 820                 bv->owner()->message(_("Running LaTeX..."));
 821                 // Remove all error insets
 822                 need_redraw = bv->removeAutoInsets();
 823         }
 824
 825
 826         // do the LaTex run(s)
 827         TeXErrors terr;
 828         LaTeX latex(command, name, buffer->filepath);
 829         int result = latex.run(terr,
 830                                bv ? bv->owner()->getLyXFunc() : 0);
 831
 832
 833         if (bv) {
 834                 if ((result & LaTeX::ERRORS)) {
 835                         // Insert all errors as errors boxes
 836                         bv->insertErrors(terr);
 837                         need_redraw = true;
 838                 }
 839
 840                 // if we removed error insets before we ran LaTeX or if we inserted
 841                 // error insets after we ran LaTeX this must be run:
 842                 if (need_redraw) {
 843                         bv->redraw();
 844                         bv->fitCursor(bv->text);
 845                 }
 846         }
 847
 848         // check return value from latex.run().
 849         if ((result & LaTeX::NO_LOGFILE)) {
 850                 WriteAlert(_("LaTeX did not work!"),
 851                            _("Missing log file:"), name);
 852         } else if ((result & LaTeX::ERRORS)) {
 853                 int num_errors = latex.getNumErrors();
 854                 string s;
 855                 string t;
 856                 if (num_errors == 1) {
 857                         s = _("One error detected");
 858                         t = _("You should try to fix it.");
 859                 } else {
 860                         s = tostr(num_errors);
 861                         s += _(" errors detected.");
 862                         t = _("You should try to fix them.");
 863                 }
 864                 WriteAlert(_("There were errors during the LaTeX run."),
 865                            s, t);
 866         }  else if (result & LaTeX::NO_OUTPUT) {
 867                 string const s = _("The operation resulted in");
 868                 string const t = _("an empty file.");
 869                 WriteAlert(_("Resulting file is empty"), s, t);
 870         }
 871
 872         if (bv)
 873                 AllowInput(bv);
 874
 875         int const ERROR_MASK =
 876                         LaTeX::NO_LOGFILE |
 877                         LaTeX::ERRORS |
 878                         LaTeX::NO_OUTPUT;
 879
 880         return (result & ERROR_MASK) == 0;
 881
 882 }
 883
 884
 885 string const Converters::papersize(Buffer const * buffer)
 886 {
 887         char real_papersize = buffer->params.papersize;
 888         if (real_papersize == BufferParams::PAPER_DEFAULT)
 889                 real_papersize = lyxrc.default_papersize;
 890
 891         switch (real_papersize) {
 892         case BufferParams::PAPER_A3PAPER:
 893                 return "a3";
 894         case BufferParams::PAPER_A4PAPER:
 895                 return "a4";
 896         case BufferParams::PAPER_A5PAPER:
 897                 return "a5";
 898         case BufferParams::PAPER_B5PAPER:
 899                 return "b5";
 900         case BufferParams::PAPER_EXECUTIVEPAPER:
 901                 return "foolscap";
 902         case BufferParams::PAPER_LEGALPAPER:
 903                 return "legal";
 904         case BufferParams::PAPER_USLETTER:
 905         default:
 906                 return "letter";
 907         }
 908 }
 909
 910
 911 string const Converters::dvips_options(Buffer const * buffer)
 912 {
 913         string result;
 914         if (!buffer)
 915                 return result;
 916
 917         if (buffer->params.use_geometry
 918             && buffer->params.papersize2 == BufferParams::VM_PAPER_CUSTOM
 919             && !lyxrc.print_paper_dimension_flag.empty()
 920             && !buffer->params.paperwidth.empty()
 921             && !buffer->params.paperheight.empty()) {
 922                 // using a custom papersize
 923                 result = lyxrc.print_paper_dimension_flag;
 924                 result += ' ' + buffer->params.paperwidth;
 925                 result += ',' + buffer->params.paperheight;
 926         } else {
 927                 string paper_option = papersize(buffer);
 928                 if (paper_option != "letter" ||
 929                     buffer->params.orientation != BufferParams::ORIENTATION_LANDSCAPE) {
 930                         // dvips won't accept -t letter -t landscape.  In all other
 931                         // cases, include the paper size explicitly.
 932                         result = lyxrc.print_paper_flag;
 933                         result += ' ' + paper_option;
 934                 }
 935         }
 936         if (buffer->params.orientation == BufferParams::ORIENTATION_LANDSCAPE &&
 937             buffer->params.papersize2 != BufferParams::VM_PAPER_CUSTOM)
 938                 result += ' ' + lyxrc.print_landscape_flag;
 939         return result;
 940 }
 941
 942
 943 string const Converters::dvipdfm_options(Buffer const * buffer)
 944 {
 945         string result;
 946         if (!buffer)
 947                 return result;
 948
 949         if (buffer->params.papersize2 != BufferParams::VM_PAPER_CUSTOM) {
 950                 string paper_size = papersize(buffer);
 951                 if (paper_size != "b5" && paper_size != "foolscap")
 952                         result = "-p "+ paper_size;
 953
 954                 if (buffer->params.orientation == BufferParams::ORIENTATION_LANDSCAPE)
 955                         result += " -l";
 956         }
 957
 958         return result;
 959 }
 960
 961
 962 vector<Converters::Vertex> Converters::vertices;
 963
 964
 965 /// The global instance
 966 Formats formats;
 967 Converters converters;
 968
 969 // The global copy after reading lyxrc.defaults
 970 Formats system_formats;
 971 Converters system_converters;