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