src/converter.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 1995 Matthias Ettrich
   7  *           Copyright 1995-2001 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 #include "BufferView.h"
  33 #include "debug.h"
  34
  35 using std::vector;
  36 using std::queue;
  37 using std::endl;
  38 using std::fill;
  39 using std::find_if;
  40 using std::reverse;
  41 using std::sort;
  42
  43 namespace {
  44
  45 string const token_from("$$i");
  46 string const token_base("$$b");
  47 string const token_to("$$o");
  48
  49 //////////////////////////////////////////////////////////////////////////////
  50
  51 inline
  52 string const add_options(string const & command, string const & options)
  53 {
  54         string head;
  55         string const tail = split(command, head, ' ');
  56         return head + ' ' + options + ' ' + tail;
  57 }
  58
  59 } // namespace anon
  60
  61 //////////////////////////////////////////////////////////////////////////////
  62
  63 bool Format::dummy() const
  64 {
  65         return extension().empty();
  66 }
  67
  68
  69 bool Format::IsChildFormat() const
  70 {
  71         if (name_.empty())
  72                 return false;
  73         return isdigit(name_[name_.length() - 1]);
  74 }
  75
  76
  77 string const Format::ParentFormat() const
  78 {
  79         return name_.substr(0, name_.length() - 1);
  80 }
  81
  82 //////////////////////////////////////////////////////////////////////////////
  83
  84 // This method should return a reference, and throw an exception
  85 // if the format named name cannot be found (Lgb)
  86 Format const * Formats::GetFormat(string const & name) const
  87 {
  88         FormatList::const_iterator cit =
  89                 find_if(formatlist.begin(), formatlist.end(),
  90                         lyx::compare_memfun(&Format::name, name));
  91         if (cit != formatlist.end())
  92                 return &(*cit);
  93         else
  94                 return 0;
  95 }
  96
  97
  98 int Formats::GetNumber(string const & name) const
  99 {
 100         FormatList::const_iterator cit =
 101                 find_if(formatlist.begin(), formatlist.end(),
 102                         lyx::compare_memfun(&Format::name, name));
 103         if (cit != formatlist.end())
 104                 return cit - formatlist.begin();
 105         else
 106                 return -1;
 107 }
 108
 109
 110 void Formats::Add(string const & name)
 111 {
 112         if (!GetFormat(name))
 113                 Add(name, name, name, string());
 114 }
 115
 116
 117 void Formats::Add(string const & name, string const & extension,
 118                   string const & prettyname, string const & shortcut)
 119 {
 120         FormatList::iterator it =
 121                 find_if(formatlist.begin(), formatlist.end(),
 122                         lyx::compare_memfun(&Format::name, name));
 123         if (it == formatlist.end())
 124                 formatlist.push_back(Format(name, extension, prettyname,
 125                                             shortcut, ""));
 126         else {
 127                 string viewer = it->viewer();
 128                 *it = Format(name, extension, prettyname, shortcut, viewer);
 129         }
 130 }
 131
 132
 133 void Formats::Delete(string const & name)
 134 {
 135         FormatList::iterator it =
 136                 find_if(formatlist.begin(), formatlist.end(),
 137                         lyx::compare_memfun(&Format::name, name));
 138         if (it != formatlist.end())
 139                 formatlist.erase(it);
 140 }
 141
 142
 143 void Formats::Sort()
 144 {
 145         sort(formatlist.begin(), formatlist.end());
 146 }
 147
 148
 149 void Formats::SetViewer(string const & name, string const & command)
 150 {
 151         Add(name);
 152         FormatList::iterator it =
 153                 find_if(formatlist.begin(), formatlist.end(),
 154                         lyx::compare_memfun(&Format::name, name));
 155         if (it != formatlist.end())
 156                 it->setViewer(command);
 157 }
 158
 159
 160 bool Formats::View(Buffer const * buffer, string const & filename,
 161                    string const & format_name) const
 162 {
 163         if (filename.empty())
 164                 return false;
 165
 166         Format const * format = GetFormat(format_name);
 167         if (format && format->viewer().empty() &&
 168             format->IsChildFormat())
 169                 format = GetFormat(format->ParentFormat());
 170         if (!format || format->viewer().empty()) {
 171                 WriteAlert(_("Can not view file"),
 172                            _("No information for viewing ")
 173                            + PrettyName(format_name));
 174                            return false;
 175         }
 176
 177         string command = format->viewer();
 178
 179         if (format_name == "dvi" &&
 180             !lyxrc.view_dvi_paper_option.empty()) {
 181                 command += " " + lyxrc.view_dvi_paper_option;
 182                 string paper_size = converters.papersize(buffer);
 183                 if (paper_size == "letter")
 184                         paper_size = "us";
 185                 command += " " + paper_size;
 186                 if (buffer->params.orientation
 187                     == BufferParams::ORIENTATION_LANDSCAPE)
 188                         command += 'r';
 189         }
 190
 191         command += " " + QuoteName(OnlyFilename((filename)));
 192
 193         lyxerr[Debug::FILES] << "Executing command: " << command << endl;
 194         ShowMessage(buffer, _("Executing command:"), command);
 195
 196         Path p(OnlyPath(filename));
 197         Systemcalls one;
 198         int const res = one.startscript(Systemcalls::SystemDontWait, command);
 199
 200         if (res) {
 201                 WriteAlert(_("Can not view file"),
 202                            _("Error while executing"),
 203                            command.substr(0, 50));
 204                 return false;
 205         }
 206         return true;
 207 }
 208
 209
 210 string const Formats::PrettyName(string const & name) const
 211 {
 212         Format const * format = GetFormat(name);
 213         if (format)
 214                 return format->prettyname();
 215         else
 216                 return name;
 217 }
 218
 219
 220 string const Formats::Extension(string const & name) const
 221 {
 222         Format const * format = GetFormat(name);
 223         if (format)
 224                 return format->extension();
 225         else
 226                 return name;
 227 }
 228
 229 //////////////////////////////////////////////////////////////////////////////
 230
 231 void Converter::ReadFlags()
 232 {
 233         string flag_list(flags);
 234         while (!flag_list.empty()) {
 235                 string flag_name, flag_value;
 236                 flag_list = split(flag_list, flag_value, ',');
 237                 flag_value = split(flag_value, flag_name, '=');
 238                 if (flag_name == "latex")
 239                         latex = true;
 240                 else if (flag_name == "originaldir")
 241                         original_dir = true;
 242                 else if (flag_name == "needaux")
 243                         need_aux = true;
 244                 else if (flag_name == "resultdir")
 245                         result_dir = (flag_value.empty())
 246                                 ? token_base : flag_value;
 247                 else if (flag_name == "resultfile")
 248                         result_file = flag_value;
 249                 else if (flag_name == "parselog")
 250                         parselog = flag_value;
 251         }
 252         if (!result_dir.empty() && result_file.empty())
 253                 result_file = "index." + formats.Extension(to);
 254         //if (!contains(command, token_from))
 255         //      latex = true;
 256 }
 257
 258
 259 bool operator<(Converter const & a, Converter const & b)
 260 {
 261         int const i = compare_no_case(a.From->prettyname(),
 262                                       b.From->prettyname());
 263         if (i == 0)
 264                 return compare_no_case(a.To->prettyname(), b.To->prettyname())
 265                         < 0;
 266         else
 267                 return i < 0;
 268 }
 269
 270 //////////////////////////////////////////////////////////////////////////////
 271
 272 class compare_Converter {
 273 public:
 274         compare_Converter(string const & f, string const & t)
 275                 : from(f), to(t) {}
 276         bool operator()(Converter const & c) {
 277                 return c.from == from && c.to == to;
 278         }
 279 private:
 280         string const & from;
 281         string const & to;
 282 };
 283
 284
 285 Converter const * Converters::GetConverter(string const & from,
 286                                             string const & to)
 287 {
 288         ConverterList::const_iterator cit =
 289                 find_if(converterlist.begin(), converterlist.end(),
 290                         compare_Converter(from, to));
 291         if (cit != converterlist.end())
 292                 return &(*cit);
 293         else
 294                 return 0;
 295 }
 296
 297
 298 int Converters::GetNumber(string const & from, string const & to)
 299 {
 300         ConverterList::const_iterator cit =
 301                 find_if(converterlist.begin(), converterlist.end(),
 302                         compare_Converter(from, to));
 303         if (cit != converterlist.end())
 304                 return cit - converterlist.begin();
 305         else
 306                 return -1;
 307 }
 308
 309
 310 void Converters::Add(string const & from, string const & to,
 311                      string const & command, string const & flags)
 312 {
 313         formats.Add(from);
 314         formats.Add(to);
 315         ConverterList::iterator it = find_if(converterlist.begin(),
 316                                              converterlist.end(),
 317                                              compare_Converter(from, to));
 318
 319         Converter converter(from, to, command, flags);
 320         if (it != converterlist.end() && !flags.empty() && flags[0] == '*') {
 321                 converter = *it;
 322                 converter.command = command;
 323                 converter.flags = flags;
 324         }
 325         converter.ReadFlags();
 326
 327         if (converter.latex && (latex_command.empty() || to == "dvi"))
 328                 latex_command = subst(command, token_from, "");
 329         // If we have both latex & pdflatex, we set latex_command to latex.
 330         // The latex_command is used to update the .aux file when running
 331         // a converter that uses it.
 332
 333         if (it == converterlist.end())
 334                 converterlist.push_back(converter);
 335         else {
 336                 converter.From = it->From;
 337                 converter.To = it->To;
 338                 *it = converter;
 339         }
 340 }
 341
 342
 343 void Converters::Delete(string const & from, string const & to)
 344 {
 345         ConverterList::iterator it = find_if(converterlist.begin(),
 346                                              converterlist.end(),
 347                                              compare_Converter(from, to));
 348         if (it != converterlist.end())
 349                 converterlist.erase(it);
 350 }
 351
 352
 353 // This method updates the pointers From and To in all the converters.
 354 // The code is not very efficient, but it doesn't matter as the number
 355 // of formats and converters is small.
 356 // Furthermore, this method is called only on startup, or after
 357 // adding/deleting a format in FormPreferences (the latter calls can be
 358 // eliminated if the formats in the Formats class are stored using a map or
 359 // a list (instead of a vector), but this will cause other problems).
 360 void Converters::Update(Formats const & formats)
 361 {
 362         for (ConverterList::iterator it = converterlist.begin();
 363              it != converterlist.end(); ++it) {
 364                 it->From = formats.GetFormat(it->from);
 365                 it->To = formats.GetFormat(it->to);
 366         }
 367 }
 368
 369
 370 // This method updates the pointers From and To in the last converter.
 371 // It is called when adding a new converter in FormPreferences
 372 void Converters::UpdateLast(Formats const & formats)
 373 {
 374         if (converterlist.begin() != converterlist.end()) {
 375                 ConverterList::iterator it = converterlist.end()-1;
 376                 it->From = formats.GetFormat(it->from);
 377                 it->To = formats.GetFormat(it->to);
 378         }
 379 }
 380
 381
 382 void Converters::Sort()
 383 {
 384         sort(converterlist.begin(), converterlist.end());
 385 }
 386
 387
 388 int Converters::BFS_init(string const & start, bool clear_visited)
 389 {
 390         int const s = formats.GetNumber(start);
 391         if (s < 0)
 392                 return s;
 393
 394         Q = queue<int>();
 395         if (clear_visited)
 396                 fill(visited.begin(), visited.end(), false);
 397         if (visited[s] == false) {
 398                 Q.push(s);
 399                 visited[s] = true;
 400         }
 401         return s;
 402 }
 403
 404
 405 vector<Format const *> const
 406 Converters::GetReachableTo(string const & target, bool clear_visited)
 407 {
 408         vector<Format const *> result;
 409         int const s = BFS_init(target, clear_visited);
 410         if (s < 0)
 411                 return result;
 412
 413         while (!Q.empty()) {
 414                 int const i = Q.front();
 415                 Q.pop();
 416                 if (i != s || target != "lyx")
 417                         result.push_back(&formats.Get(i));
 418                 for (vector<int>::iterator it = vertices[i].in_vertices.begin();
 419                      it != vertices[i].in_vertices.end(); ++it)
 420                         if (!visited[*it]) {
 421                                 visited[*it] = true;
 422                                 Q.push(*it);
 423                         }
 424         }
 425
 426         return result;
 427 }
 428
 429
 430 vector<Format const *> const
 431 Converters::GetReachable(string const & from, bool only_viewable,
 432                          bool clear_visited)
 433 {
 434         vector<Format const *> result;
 435
 436         if (BFS_init(from, clear_visited) < 0)
 437                 return result;
 438
 439         while (!Q.empty()) {
 440                 int const i = Q.front();
 441                 Q.pop();
 442                 Format const & format = formats.Get(i);
 443                 if (format.name() == "lyx")
 444                         continue;
 445                 if (!only_viewable || !format.viewer().empty() ||
 446                     format.IsChildFormat())
 447                         result.push_back(&format);
 448                 for (vector<int>::iterator it = vertices[i].out_vertices.begin();
 449                      it != vertices[i].out_vertices.end(); ++it)
 450                         if (!visited[*it]) {
 451                                 visited[*it] = true;
 452                                 Q.push(*it);
 453                         }
 454         }
 455
 456         return result;
 457 }
 458
 459
 460 bool Converters::IsReachable(string const & from, string const & to)
 461 {
 462         if (from == to)
 463                 return true;
 464
 465         int const s = BFS_init(from);
 466         int const t = formats.GetNumber(to);
 467         if (s < 0 || t < 0)
 468                 return false;
 469
 470         while (!Q.empty()) {
 471                 int const i = Q.front();
 472                 Q.pop();
 473                 if (i == t)
 474                         return true;
 475                 for (vector<int>::iterator it = vertices[i].out_vertices.begin();
 476                      it != vertices[i].out_vertices.end(); ++it)
 477                         if (!visited[*it]) {
 478                                 visited[*it] = true;
 479                                 Q.push(*it);
 480                         }
 481         }
 482
 483         return false;
 484 }
 485
 486
 487 Converters::EdgePath const
 488 Converters::GetPath(string const & from, string const & to)
 489 {
 490         EdgePath path;
 491         if (from == to)
 492                 return path;
 493
 494         int const s = BFS_init(from);
 495         int t = formats.GetNumber(to);
 496         if (s < 0 || t < 0)
 497                 return path;
 498
 499         vector<int> prev_edge(formats.size());
 500         vector<int> prev_vertex(formats.size());
 501
 502         bool found = false;
 503         while (!Q.empty()) {
 504                 int const i = Q.front();
 505                 Q.pop();
 506                 if (i == t) {
 507                         found = true;
 508                         break;
 509                 }
 510                 for (vector<int>::iterator it = vertices[i].out_vertices.begin();
 511                      it != vertices[i].out_vertices.end(); ++it)
 512                         if (!visited[*it]) {
 513                                 int const j = *it;
 514                                 visited[j] = true;
 515                                 Q.push(j);
 516                                 int const k = it - vertices[i].out_vertices.begin();
 517                                 prev_edge[j] = vertices[i].out_edges[k];
 518                                 prev_vertex[j] = i;
 519                         }
 520         }
 521         if (!found)
 522                 return path;
 523
 524         while (t != s) {
 525                 path.push_back(prev_edge[t]);
 526                 t = prev_vertex[t];
 527         }
 528         reverse(path.begin(), path.end());
 529         return path;
 530 }
 531
 532
 533 bool Converters::UsePdflatex(EdgePath const & path)
 534 {
 535         for (EdgePath::const_iterator cit = path.begin();
 536              cit != path.end(); ++cit) {
 537                 Converter const & conv = converterlist[*cit];
 538                 if (conv.latex)
 539                         return contains(conv.to, "pdf");
 540         }
 541         return false;
 542 }
 543
 544
 545 bool Converters::Convert(Buffer const * buffer,
 546                          string const & from_file, string const & to_file_base,
 547                          string const & from_format, string const & to_format,
 548                          string & to_file)
 549 {
 550         to_file = ChangeExtension(to_file_base,
 551                                   formats.Extension(to_format));
 552
 553         if (from_format == to_format)
 554                 return Move(from_file, to_file, false);
 555
 556         EdgePath edgepath = GetPath(from_format, to_format);
 557         if (edgepath.empty()) {
 558                 WriteAlert(_("Can not convert file"),
 559                            _("No information for converting from ")
 560                            + formats.PrettyName(from_format) + _(" to ")
 561                            + formats.PrettyName(to_format));
 562                 return false;
 563         }
 564
 565         string path = OnlyPath(from_file);
 566         Path p(path);
 567
 568         bool run_latex = false;
 569         string from_base = ChangeExtension(from_file, "");
 570         string to_base = ChangeExtension(to_file, "");
 571         string infile;
 572         string outfile = from_file;
 573         for (EdgePath::const_iterator cit = edgepath.begin();
 574              cit != edgepath.end(); ++cit) {
 575                 Converter const & conv = converterlist[*cit];
 576                 bool dummy = conv.To->dummy() && conv.to != "program";
 577                 if (!dummy)
 578                         lyxerr[Debug::FILES] << "Converting from  "
 579                                << conv.from << " to " << conv.to << endl;
 580                 infile = outfile;
 581                 outfile = conv.result_dir.empty()
 582                         ? ChangeExtension(from_file, conv.To->extension())
 583                         : AddName(subst(conv.result_dir,
 584                                         token_base, from_base),
 585                                   subst(conv.result_file,
 586                                         token_base, OnlyFilename(from_base)));
 587
 588                 if (conv.latex) {
 589                         run_latex = true;
 590                         string command = subst(conv.command, token_from, "");
 591                         lyxerr[Debug::FILES] << "Running " << command << endl;
 592                         if (!runLaTeX(buffer, command))
 593                                 return false;
 594                 } else {
 595                         if (conv.need_aux && !run_latex
 596                             && !latex_command.empty()) {
 597                                 lyxerr[Debug::FILES]
 598                                         << "Running " << latex_command
 599                                         << " to update aux file"<<  endl;
 600                                 runLaTeX(buffer, latex_command);
 601                         }
 602
 603                         string infile2 = (conv.original_dir)
 604                                 ? infile : MakeRelPath(infile, path);
 605                         string outfile2 = (conv.original_dir)
 606                                 ? outfile : MakeRelPath(outfile, path);
 607
 608                         string command = conv.command;
 609                         command = subst(command, token_from, QuoteName(infile2));
 610                         command = subst(command, token_base, QuoteName(from_base));
 611                         command = subst(command, token_to, QuoteName(outfile2));
 612
 613                         if (!conv.parselog.empty())
 614                                 command += " 2> " + QuoteName(infile2 + ".out");
 615
 616                         if (conv.from == "dvi" && conv.to == "ps")
 617                                 command = add_options(command,
 618                                                       dvips_options(buffer));
 619                         else if (conv.from == "dvi" && prefixIs(conv.to, "pdf"))
 620                                 command = add_options(command,
 621                                                       dvipdfm_options(buffer));
 622
 623                         lyxerr[Debug::FILES] << "Calling " << command << endl;
 624                         if (buffer)
 625                                 ShowMessage(buffer, _("Executing command:"), command);
 626
 627                         Systemcalls::Starttype type = (dummy)
 628                                 ? Systemcalls::SystemDontWait : Systemcalls::System;
 629                         Systemcalls one;
 630                         int res;
 631                         if (conv.original_dir && buffer) {
 632                                 Path p(buffer->filepath);
 633                                 res = one.startscript(type, command);
 634                         } else
 635                                 res = one.startscript(type, command);
 636
 637                         if (!conv.parselog.empty()) {
 638                                 string const logfile =  infile2 + ".log";
 639                                 string const command2 = conv.parselog +
 640                                         " < " + QuoteName(infile2 + ".out") +
 641                                         " > " + QuoteName(logfile);
 642                                 one.startscript(Systemcalls::System, command2);
 643                                 if (!scanLog(buffer, command, logfile))
 644                                         return false;
 645                         }
 646
 647                         if (res) {
 648                                 if (conv.to == "program")
 649                                         WriteAlert(_("There were errors during the Build process."),
 650                                                    _("You should try to fix them."));
 651                                 else
 652                                         WriteAlert(_("Can not convert file"),
 653                                                    "Error while executing",
 654                                                    command.substr(0, 50));
 655                                 return false;
 656                         }
 657                 }
 658         }
 659
 660         Converter const & conv = converterlist[edgepath.back()];
 661         if (conv.To->dummy())
 662                 return true;
 663
 664
 665         if (!conv.result_dir.empty()) {
 666                 to_file = AddName(subst(conv.result_dir, token_base, to_base),
 667                                   subst(conv.result_file,
 668                                         token_base, OnlyFilename(to_base)));
 669                 if (from_base != to_base) {
 670                         string from = subst(conv.result_dir,
 671                                             token_base, from_base);
 672                         string to = subst(conv.result_dir,
 673                                           token_base, to_base);
 674                         if (!lyx::rename(from, to)) {
 675                                 WriteAlert(_("Error while trying to move directory:"),
 676                                            from, ("to ") + to);
 677                                 return false;
 678                         }
 679                 }
 680                 return true;
 681         } else
 682                 return Move(outfile, to_file, conv.latex);
 683 }
 684
 685 // If from = /path/file.ext and to = /path2/file2.ext2 then this method
 686 // moves each /path/file*.ext file to /path2/file2*.ext2'
 687 bool Converters::Move(string const & from, string const & to, bool copy)
 688 {
 689         if (from == to)
 690                 return true;
 691
 692         bool no_errors = true;
 693         string const path = OnlyPath(from);
 694         string const base = OnlyFilename(ChangeExtension(from, ""));
 695         string const to_base = ChangeExtension(to, "");
 696         string const to_extension = GetExtension(to);
 697
 698         vector<string> files = DirList(OnlyPath(from), GetExtension(from));
 699         for (vector<string>::const_iterator it = files.begin();
 700              it != files.end(); ++it)
 701                 if (prefixIs(*it, base)) {
 702                         string from2 = path + *it;
 703                         string to2 = to_base + it->substr(base.length());
 704                         to2 = ChangeExtension(to2, to_extension);
 705                         lyxerr[Debug::FILES] << "moving " << from2
 706                                              << " to " << to2 << endl;
 707                         bool moved = (copy)
 708                                 ? lyx::copy(from2, to2)
 709                                 : lyx::rename(from2, to2);
 710                         if (!moved && no_errors) {
 711                                 WriteAlert(_("Error while trying to move file:"),
 712                                            from2, _("to ") + to2);
 713                                 no_errors = false;
 714                         }
 715                 }
 716         return no_errors;
 717 }
 718
 719 bool Converters::Convert(Buffer const * buffer,
 720                         string const & from_file, string const & to_file_base,
 721                         string const & from_format, string const & to_format)
 722 {
 723         string to_file;
 724         return Convert(buffer, from_file, to_file_base, from_format, to_format,
 725                        to_file);
 726 }
 727
 728
 729
 730 void Converters::BuildGraph()
 731 {
 732         vertices = vector<Vertex>(formats.size());
 733         visited.resize(formats.size());
 734
 735         for (ConverterList::iterator it = converterlist.begin();
 736              it != converterlist.end(); ++it) {
 737                 int const s = formats.GetNumber(it->from);
 738                 int const t = formats.GetNumber(it->to);
 739                 vertices[t].in_vertices.push_back(s);
 740                 vertices[s].out_vertices.push_back(t);
 741                 vertices[s].out_edges.push_back(it - converterlist.begin());
 742         }
 743 }
 744
 745
 746 bool Converters::FormatIsUsed(string const & format)
 747 {
 748         for (ConverterList::const_iterator cit = converterlist.begin();
 749             cit != converterlist.end(); ++cit)
 750                 if (cit->from == format || cit->to == format)
 751                         return true;
 752         return false;
 753 }
 754
 755
 756 bool Converters::scanLog(Buffer const * buffer, string const & command,
 757                         string const & filename)
 758 {
 759         if (!buffer)
 760                 return false;
 761
 762         BufferView * bv = buffer->getUser();
 763         bool need_redraw = false;
 764         if (bv) {
 765                 bv->owner()->prohibitInput();
 766                 // Remove all error insets
 767                 need_redraw = bv->removeAutoInsets();
 768         }
 769
 770         LaTeX latex("", filename, "");
 771         TeXErrors terr;
 772         int result = latex.scanLogFile(terr);
 773         if (bv) {
 774                 if ((result & LaTeX::ERRORS)) {
 775                         // Insert all errors as errors boxes
 776                         bv->insertErrors(terr);
 777                         need_redraw = true;
 778                 }
 779                 if (need_redraw) {
 780                         bv->redraw();
 781                         bv->fitCursor(bv->text);
 782                 }
 783                 bv->owner()->allowInput();
 784         }
 785
 786         if ((result & LaTeX::ERRORS)) {
 787                 int num_errors = latex.getNumErrors();
 788                 string s;
 789                 string t;
 790                 if (num_errors == 1) {
 791                         s = _("One error detected");
 792                         t = _("You should try to fix it.");
 793                 } else {
 794                         s = tostr(num_errors);
 795                         s += _(" errors detected.");
 796                         t = _("You should try to fix them.");
 797                 }
 798                 string head;
 799                 split(command, head, ' ');
 800                 WriteAlert(_("There were errors during running of ") + head,
 801                            s, t);
 802                 return false;
 803         } else if (result & LaTeX::NO_OUTPUT) {
 804                 string const s = _("The operation resulted in");
 805                 string const t = _("an empty file.");
 806                 WriteAlert(_("Resulting file is empty"), s, t);
 807                 return false;
 808         }
 809         return true;
 810 }
 811
 812
 813 bool Converters::runLaTeX(Buffer const * buffer, string const & command)
 814 {
 815         if (!buffer)
 816                 return false;
 817
 818         BufferView * bv = buffer->getUser();
 819         string name = buffer->getLatexName();
 820         bool need_redraw = false;
 821
 822         if (bv) {
 823                 bv->owner()->prohibitInput();
 824                 bv->owner()->message(_("Running LaTeX..."));
 825                 // Remove all error insets
 826                 need_redraw = bv->removeAutoInsets();
 827         }
 828
 829
 830         // do the LaTex run(s)
 831         TeXErrors terr;
 832         LaTeX latex(command, name, buffer->filepath);
 833         int result = latex.run(terr,
 834                                bv ? bv->owner()->getLyXFunc() : 0);
 835
 836
 837         if (bv) {
 838                 if ((result & LaTeX::ERRORS)) {
 839                         // Insert all errors as errors boxes
 840                         bv->insertErrors(terr);
 841                         need_redraw = true;
 842                 }
 843
 844                 // if we removed error insets before we ran LaTeX or if we inserted
 845                 // error insets after we ran LaTeX this must be run:
 846                 if (need_redraw) {
 847                         bv->redraw();
 848                         bv->fitCursor(bv->text);
 849                 }
 850         }
 851
 852         // check return value from latex.run().
 853         if ((result & LaTeX::NO_LOGFILE)) {
 854                 WriteAlert(_("LaTeX did not work!"),
 855                            _("Missing log file:"), name);
 856         } else if ((result & LaTeX::ERRORS)) {
 857                 int num_errors = latex.getNumErrors();
 858                 string s;
 859                 string t;
 860                 if (num_errors == 1) {
 861                         s = _("One error detected");
 862                         t = _("You should try to fix it.");
 863                 } else {
 864                         s = tostr(num_errors);
 865                         s += _(" errors detected.");
 866                         t = _("You should try to fix them.");
 867                 }
 868                 WriteAlert(_("There were errors during the LaTeX run."),
 869                            s, t);
 870         }  else if (result & LaTeX::NO_OUTPUT) {
 871                 string const s = _("The operation resulted in");
 872                 string const t = _("an empty file.");
 873                 WriteAlert(_("Resulting file is empty"), s, t);
 874         }
 875
 876         if (bv)
 877                 bv->owner()->allowInput();
 878
 879         int const ERROR_MASK =
 880                         LaTeX::NO_LOGFILE |
 881                         LaTeX::ERRORS |
 882                         LaTeX::NO_OUTPUT;
 883
 884         return (result & ERROR_MASK) == 0;
 885
 886 }
 887
 888
 889 string const Converters::papersize(Buffer const * buffer)
 890 {
 891         char real_papersize = buffer->params.papersize;
 892         if (real_papersize == BufferParams::PAPER_DEFAULT)
 893                 real_papersize = lyxrc.default_papersize;
 894
 895         switch (real_papersize) {
 896         case BufferParams::PAPER_A3PAPER:
 897                 return "a3";
 898         case BufferParams::PAPER_A4PAPER:
 899                 return "a4";
 900         case BufferParams::PAPER_A5PAPER:
 901                 return "a5";
 902         case BufferParams::PAPER_B5PAPER:
 903                 return "b5";
 904         case BufferParams::PAPER_EXECUTIVEPAPER:
 905                 return "foolscap";
 906         case BufferParams::PAPER_LEGALPAPER:
 907                 return "legal";
 908         case BufferParams::PAPER_USLETTER:
 909         default:
 910                 return "letter";
 911         }
 912 }
 913
 914
 915 string const Converters::dvips_options(Buffer const * buffer)
 916 {
 917         string result;
 918         if (!buffer)
 919                 return result;
 920
 921         if (buffer->params.use_geometry
 922             && buffer->params.papersize2 == BufferParams::VM_PAPER_CUSTOM
 923             && !lyxrc.print_paper_dimension_flag.empty()
 924             && !buffer->params.paperwidth.empty()
 925             && !buffer->params.paperheight.empty()) {
 926                 // using a custom papersize
 927                 result = lyxrc.print_paper_dimension_flag;
 928                 result += ' ' + buffer->params.paperwidth;
 929                 result += ',' + buffer->params.paperheight;
 930         } else {
 931                 string paper_option = papersize(buffer);
 932                 if (paper_option != "letter" ||
 933                     buffer->params.orientation != BufferParams::ORIENTATION_LANDSCAPE) {
 934                         // dvips won't accept -t letter -t landscape.  In all other
 935                         // cases, include the paper size explicitly.
 936                         result = lyxrc.print_paper_flag;
 937                         result += ' ' + paper_option;
 938                 }
 939         }
 940         if (buffer->params.orientation == BufferParams::ORIENTATION_LANDSCAPE &&
 941             buffer->params.papersize2 != BufferParams::VM_PAPER_CUSTOM)
 942                 result += ' ' + lyxrc.print_landscape_flag;
 943         return result;
 944 }
 945
 946
 947 string const Converters::dvipdfm_options(Buffer const * buffer)
 948 {
 949         string result;
 950         if (!buffer)
 951                 return result;
 952
 953         if (buffer->params.papersize2 != BufferParams::VM_PAPER_CUSTOM) {
 954                 string paper_size = papersize(buffer);
 955                 if (paper_size != "b5" && paper_size != "foolscap")
 956                         result = "-p "+ paper_size;
 957
 958                 if (buffer->params.orientation == BufferParams::ORIENTATION_LANDSCAPE)
 959                         result += " -l";
 960         }
 961
 962         return result;
 963 }
 964
 965
 966 vector<Converters::Vertex> Converters::vertices;
 967
 968
 969 /// The global instance
 970 Formats formats;
 971 Converters converters;
 972
 973 // The global copy after reading lyxrc.defaults
 974 Formats system_formats;
 975 Converters system_converters;