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 "buffer.h"
  22 #include "bufferview_funcs.h"
  23 #include "LaTeX.h"
  24 #include "frontends/LyXView.h"
  25 #include "lyx_cb.h" // ShowMessage()
  26 #include "gettext.h"
  27 #include "BufferView.h"
  28 #include "debug.h"
  29
  30 #include "frontends/Alert.h"
  31
  32 #include "support/filetools.h"
  33 #include "support/lyxfunctional.h"
  34 #include "support/path.h"
  35 #include "support/systemcall.h"
  36
  37 #ifndef CXX_GLOBAL_CSTD
  38 using std::isdigit;
  39 #endif
  40
  41 using std::vector;
  42 using std::queue;
  43 using std::endl;
  44 using std::fill;
  45 using std::find_if;
  46 using std::reverse;
  47 using std::sort;
  48
  49 namespace {
  50
  51 string const token_from("$$i");
  52 string const token_base("$$b");
  53 string const token_to("$$o");
  54
  55 //////////////////////////////////////////////////////////////////////////////
  56
  57 inline
  58 string const add_options(string const & command, string const & options)
  59 {
  60         string head;
  61         string const tail = split(command, head, ' ');
  62         return head + ' ' + options + ' ' + tail;
  63 }
  64
  65 } // namespace anon
  66
  67 //////////////////////////////////////////////////////////////////////////////
  68
  69 bool Format::dummy() const
  70 {
  71         return extension().empty();
  72 }
  73
  74
  75 bool Format::isChildFormat() const
  76 {
  77         if (name_.empty())
  78                 return false;
  79         return isdigit(name_[name_.length() - 1]);
  80 }
  81
  82
  83 string const Format::parentFormat() const
  84 {
  85         return name_.substr(0, name_.length() - 1);
  86 }
  87
  88 //////////////////////////////////////////////////////////////////////////////
  89
  90 // This method should return a reference, and throw an exception
  91 // if the format named name cannot be found (Lgb)
  92 Format const * Formats::getFormat(string const & name) const
  93 {
  94         FormatList::const_iterator cit =
  95                 find_if(formatlist.begin(), formatlist.end(),
  96                         lyx::compare_memfun(&Format::name, name));
  97         if (cit != formatlist.end())
  98                 return &(*cit);
  99         else
 100                 return 0;
 101 }
 102
 103
 104 int Formats::getNumber(string const & name) const
 105 {
 106         FormatList::const_iterator cit =
 107                 find_if(formatlist.begin(), formatlist.end(),
 108                         lyx::compare_memfun(&Format::name, name));
 109         if (cit != formatlist.end())
 110                 return cit - formatlist.begin();
 111         else
 112                 return -1;
 113 }
 114
 115
 116 void Formats::add(string const & name)
 117 {
 118         if (!getFormat(name))
 119                 add(name, name, name, string());
 120 }
 121
 122
 123 void Formats::add(string const & name, string const & extension,
 124                   string const & prettyname, string const & shortcut)
 125 {
 126         FormatList::iterator it =
 127                 find_if(formatlist.begin(), formatlist.end(),
 128                         lyx::compare_memfun(&Format::name, name));
 129         if (it == formatlist.end())
 130                 formatlist.push_back(Format(name, extension, prettyname,
 131                                             shortcut, ""));
 132         else {
 133                 string viewer = it->viewer();
 134                 *it = Format(name, extension, prettyname, shortcut, viewer);
 135         }
 136 }
 137
 138
 139 void Formats::erase(string const & name)
 140 {
 141         FormatList::iterator it =
 142                 find_if(formatlist.begin(), formatlist.end(),
 143                         lyx::compare_memfun(&Format::name, name));
 144         if (it != formatlist.end())
 145                 formatlist.erase(it);
 146 }
 147
 148
 149 void Formats::sort()
 150 {
 151         std::sort(formatlist.begin(), formatlist.end());
 152 }
 153
 154
 155 void Formats::setViewer(string const & name, string const & command)
 156 {
 157         add(name);
 158         FormatList::iterator it =
 159                 find_if(formatlist.begin(), formatlist.end(),
 160                         lyx::compare_memfun(&Format::name, name));
 161         if (it != formatlist.end())
 162                 it->setViewer(command);
 163 }
 164
 165
 166 bool Formats::view(Buffer const * buffer, string const & filename,
 167                    string const & format_name) const
 168 {
 169         if (filename.empty())
 170                 return false;
 171
 172         Format const * format = getFormat(format_name);
 173         if (format && format->viewer().empty() &&
 174             format->isChildFormat())
 175                 format = getFormat(format->parentFormat());
 176         if (!format || format->viewer().empty()) {
 177                 Alert::alert(_("Cannot view file"),
 178                            _("No information for viewing ")
 179                            + prettyName(format_name));
 180                            return false;
 181         }
 182
 183         string command = format->viewer();
 184
 185         if (format_name == "dvi" &&
 186             !lyxrc.view_dvi_paper_option.empty()) {
 187                 command += " " + lyxrc.view_dvi_paper_option;
 188                 string paper_size = converters.papersize(buffer);
 189                 if (paper_size == "letter")
 190                         paper_size = "us";
 191                 command += " " + paper_size;
 192                 if (buffer->params.orientation
 193                     == BufferParams::ORIENTATION_LANDSCAPE)
 194                         command += 'r';
 195         }
 196
 197         command += " " + QuoteName(OnlyFilename((filename)));
 198
 199         lyxerr[Debug::FILES] << "Executing command: " << command << endl;
 200         ShowMessage(buffer, _("Executing command:"), command);
 201
 202         Path p(OnlyPath(filename));
 203         Systemcall one;
 204         int const res = one.startscript(Systemcall::DontWait, command);
 205
 206         if (res) {
 207                 Alert::alert(_("Cannot view file"),
 208                            _("Error while executing"),
 209                            command.substr(0, 50));
 210                 return false;
 211         }
 212         return true;
 213 }
 214
 215
 216 string const Formats::prettyName(string const & name) const
 217 {
 218         Format const * format = getFormat(name);
 219         if (format)
 220                 return format->prettyname();
 221         else
 222                 return name;
 223 }
 224
 225
 226 string const Formats::extension(string const & name) const
 227 {
 228         Format const * format = getFormat(name);
 229         if (format)
 230                 return format->extension();
 231         else
 232                 return name;
 233 }
 234
 235 //////////////////////////////////////////////////////////////////////////////
 236
 237 void Converter::readFlags()
 238 {
 239         string flag_list(flags);
 240         while (!flag_list.empty()) {
 241                 string flag_name, flag_value;
 242                 flag_list = split(flag_list, flag_value, ',');
 243                 flag_value = split(flag_value, flag_name, '=');
 244                 if (flag_name == "latex")
 245                         latex = true;
 246                 else if (flag_name == "originaldir")
 247                         original_dir = true;
 248                 else if (flag_name == "needaux")
 249                         need_aux = true;
 250                 else if (flag_name == "resultdir")
 251                         result_dir = (flag_value.empty())
 252                                 ? token_base : flag_value;
 253                 else if (flag_name == "resultfile")
 254                         result_file = flag_value;
 255                 else if (flag_name == "parselog")
 256                         parselog = flag_value;
 257         }
 258         if (!result_dir.empty() && result_file.empty())
 259                 result_file = "index." + formats.extension(to);
 260         //if (!contains(command, token_from))
 261         //      latex = true;
 262 }
 263
 264
 265 bool operator<(Converter const & a, Converter const & b)
 266 {
 267         // use the compare_ascii_no_case instead of compare_no_case,
 268         // because in turkish, 'i' is not the lowercase version of 'I',
 269         // and thus turkish locale breaks parsing of tags.
 270         int const i = compare_ascii_no_case(a.From->prettyname(),
 271                                             b.From->prettyname());
 272         if (i == 0)
 273                 return compare_ascii_no_case(a.To->prettyname(), b.To->prettyname())
 274                         < 0;
 275         else
 276                 return i < 0;
 277 }
 278
 279 //////////////////////////////////////////////////////////////////////////////
 280
 281 class compare_Converter {
 282 public:
 283         compare_Converter(string const & f, string const & t)
 284                 : from(f), to(t) {}
 285         bool operator()(Converter const & c) {
 286                 return c.from == from && c.to == to;
 287         }
 288 private:
 289         string const & from;
 290         string const & to;
 291 };
 292
 293
 294 Converter const * Converters::getConverter(string const & from,
 295                                             string const & to)
 296 {
 297         ConverterList::const_iterator cit =
 298                 find_if(converterlist_.begin(), converterlist_.end(),
 299                         compare_Converter(from, to));
 300         if (cit != converterlist_.end())
 301                 return &(*cit);
 302         else
 303                 return 0;
 304 }
 305
 306
 307 int Converters::getNumber(string const & from, string const & to)
 308 {
 309         ConverterList::const_iterator cit =
 310                 find_if(converterlist_.begin(), converterlist_.end(),
 311                         compare_Converter(from, to));
 312         if (cit != converterlist_.end())
 313                 return cit - converterlist_.begin();
 314         else
 315                 return -1;
 316 }
 317
 318
 319 void Converters::add(string const & from, string const & to,
 320                      string const & command, string const & flags)
 321 {
 322         formats.add(from);
 323         formats.add(to);
 324         ConverterList::iterator it = find_if(converterlist_.begin(),
 325                                              converterlist_.end(),
 326                                              compare_Converter(from, to));
 327
 328         Converter converter(from, to, command, flags);
 329         if (it != converterlist_.end() && !flags.empty() && flags[0] == '*') {
 330                 converter = *it;
 331                 converter.command = command;
 332                 converter.flags = flags;
 333         }
 334         converter.readFlags();
 335
 336         if (converter.latex && (latex_command_.empty() || to == "dvi"))
 337                 latex_command_ = subst(command, token_from, "");
 338         // If we have both latex & pdflatex, we set latex_command to latex.
 339         // The latex_command is used to update the .aux file when running
 340         // a converter that uses it.
 341
 342         if (it == converterlist_.end()) {
 343                 converterlist_.push_back(converter);
 344         } else {
 345                 converter.From = it->From;
 346                 converter.To = it->To;
 347                 *it = converter;
 348         }
 349 }
 350
 351
 352 void Converters::erase(string const & from, string const & to)
 353 {
 354         ConverterList::iterator it = find_if(converterlist_.begin(),
 355                                              converterlist_.end(),
 356                                              compare_Converter(from, to));
 357         if (it != converterlist_.end())
 358                 converterlist_.erase(it);
 359 }
 360
 361
 362 // This method updates the pointers From and To in all the converters.
 363 // The code is not very efficient, but it doesn't matter as the number
 364 // of formats and converters is small.
 365 // Furthermore, this method is called only on startup, or after
 366 // adding/deleting a format in FormPreferences (the latter calls can be
 367 // eliminated if the formats in the Formats class are stored using a map or
 368 // a list (instead of a vector), but this will cause other problems).
 369 void Converters::update(Formats const & formats)
 370 {
 371         ConverterList::iterator it = converterlist_.begin();
 372         ConverterList::iterator end = converterlist_.end();
 373         for (; it != end; ++it) {
 374                 it->From = formats.getFormat(it->from);
 375                 it->To = formats.getFormat(it->to);
 376         }
 377 }
 378
 379
 380 // This method updates the pointers From and To in the last converter.
 381 // It is called when adding a new converter in FormPreferences
 382 void Converters::updateLast(Formats const & formats)
 383 {
 384         if (converterlist_.begin() != converterlist_.end()) {
 385                 ConverterList::iterator it = converterlist_.end() - 1;
 386                 it->From = formats.getFormat(it->from);
 387                 it->To = formats.getFormat(it->to);
 388         }
 389 }
 390
 391
 392 void Converters::sort()
 393 {
 394         std::sort(converterlist_.begin(), converterlist_.end());
 395 }
 396
 397
 398 int Converters::bfs_init(string const & start, bool clear_visited)
 399 {
 400         int const s = formats.getNumber(start);
 401         if (s < 0)
 402                 return s;
 403
 404         Q_ = queue<int>();
 405         if (clear_visited)
 406                 fill(visited_.begin(), visited_.end(), false);
 407         if (visited_[s] == false) {
 408                 Q_.push(s);
 409                 visited_[s] = true;
 410         }
 411         return s;
 412 }
 413
 414
 415 vector<Format const *> const
 416 Converters::getReachableTo(string const & target, bool clear_visited)
 417 {
 418         vector<Format const *> result;
 419         int const s = bfs_init(target, clear_visited);
 420         if (s < 0)
 421                 return result;
 422
 423         while (!Q_.empty()) {
 424                 int const i = Q_.front();
 425                 Q_.pop();
 426                 if (i != s || target != "lyx") {
 427                         result.push_back(&formats.get(i));
 428                 }
 429
 430                 vector<int>::iterator it = vertices_[i].in_vertices.begin();
 431                 vector<int>::iterator end = vertices_[i].in_vertices.end();
 432                 for (; it != end; ++it) {
 433                         if (!visited_[*it]) {
 434                                 visited_[*it] = true;
 435                                 Q_.push(*it);
 436                         }
 437                 }
 438         }
 439
 440         return result;
 441 }
 442
 443
 444 vector<Format const *> const
 445 Converters::getReachable(string const & from, bool only_viewable,
 446                          bool clear_visited)
 447 {
 448         vector<Format const *> result;
 449
 450         if (bfs_init(from, clear_visited) < 0)
 451                 return result;
 452
 453         while (!Q_.empty()) {
 454                 int const i = Q_.front();
 455                 Q_.pop();
 456                 Format const & format = formats.get(i);
 457                 if (format.name() == "lyx")
 458                         continue;
 459                 if (!only_viewable || !format.viewer().empty() ||
 460                     format.isChildFormat())
 461                         result.push_back(&format);
 462
 463                 vector<int>::const_iterator cit =
 464                         vertices_[i].out_vertices.begin();
 465                 vector<int>::const_iterator end =
 466                         vertices_[i].out_vertices.end();
 467                 for (; cit != end; ++cit)
 468                         if (!visited_[*cit]) {
 469                                 visited_[*cit] = true;
 470                                 Q_.push(*cit);
 471                         }
 472         }
 473
 474         return result;
 475 }
 476
 477
 478 bool Converters::isReachable(string const & from, string const & to)
 479 {
 480         if (from == to)
 481                 return true;
 482
 483         int const s = bfs_init(from);
 484         int const t = formats.getNumber(to);
 485         if (s < 0 || t < 0)
 486                 return false;
 487
 488         while (!Q_.empty()) {
 489                 int const i = Q_.front();
 490                 Q_.pop();
 491                 if (i == t)
 492                         return true;
 493
 494                 vector<int>::const_iterator cit =
 495                         vertices_[i].out_vertices.begin();
 496                 vector<int>::const_iterator end =
 497                         vertices_[i].out_vertices.end();
 498                 for (; cit != end; ++cit) {
 499                         if (!visited_[*cit]) {
 500                                 visited_[*cit] = true;
 501                                 Q_.push(*cit);
 502                         }
 503                 }
 504         }
 505
 506         return false;
 507 }
 508
 509
 510 Converters::EdgePath const
 511 Converters::getPath(string const & from, string const & to)
 512 {
 513         EdgePath path;
 514         if (from == to)
 515                 return path;
 516
 517         int const s = bfs_init(from);
 518         int t = formats.getNumber(to);
 519         if (s < 0 || t < 0)
 520                 return path;
 521
 522         vector<int> prev_edge(formats.size());
 523         vector<int> prev_vertex(formats.size());
 524
 525         bool found = false;
 526         while (!Q_.empty()) {
 527                 int const i = Q_.front();
 528                 Q_.pop();
 529                 if (i == t) {
 530                         found = true;
 531                         break;
 532                 }
 533
 534                 vector<int>::const_iterator beg =
 535                         vertices_[i].out_vertices.begin();
 536                 vector<int>::const_iterator cit = beg;
 537                 vector<int>::const_iterator end =
 538                         vertices_[i].out_vertices.end();
 539                 for (; cit != end; ++cit)
 540                         if (!visited_[*cit]) {
 541                                 int const j = *cit;
 542                                 visited_[j] = true;
 543                                 Q_.push(j);
 544                                 int const k = cit - beg;
 545                                 prev_edge[j] = vertices_[i].out_edges[k];
 546                                 prev_vertex[j] = i;
 547                         }
 548         }
 549         if (!found)
 550                 return path;
 551
 552         while (t != s) {
 553                 path.push_back(prev_edge[t]);
 554                 t = prev_vertex[t];
 555         }
 556         reverse(path.begin(), path.end());
 557         return path;
 558 }
 559
 560
 561 bool Converters::usePdflatex(EdgePath const & path)
 562 {
 563         for (EdgePath::const_iterator cit = path.begin();
 564              cit != path.end(); ++cit) {
 565                 Converter const & conv = converterlist_[*cit];
 566                 if (conv.latex)
 567                         return contains(conv.to, "pdf");
 568         }
 569         return false;
 570 }
 571
 572
 573 bool Converters::convert(Buffer const * buffer,
 574                          string const & from_file, string const & to_file_base,
 575                          string const & from_format, string const & to_format,
 576                          string & to_file)
 577 {
 578         to_file = ChangeExtension(to_file_base,
 579                                   formats.extension(to_format));
 580
 581         if (from_format == to_format)
 582                 return move(from_file, to_file, false);
 583
 584         EdgePath edgepath = getPath(from_format, to_format);
 585         if (edgepath.empty()) {
 586                 return false;
 587         }
 588
 589         string path = OnlyPath(from_file);
 590         Path p(path);
 591
 592         bool run_latex = false;
 593         string from_base = ChangeExtension(from_file, "");
 594         string to_base = ChangeExtension(to_file, "");
 595         string infile;
 596         string outfile = from_file;
 597         for (EdgePath::const_iterator cit = edgepath.begin();
 598              cit != edgepath.end(); ++cit) {
 599                 Converter const & conv = converterlist_[*cit];
 600                 bool dummy = conv.To->dummy() && conv.to != "program";
 601                 if (!dummy)
 602                         lyxerr[Debug::FILES] << "Converting from  "
 603                                << conv.from << " to " << conv.to << endl;
 604                 infile = outfile;
 605                 outfile = conv.result_dir.empty()
 606                         ? ChangeExtension(from_file, conv.To->extension())
 607                         : AddName(subst(conv.result_dir,
 608                                         token_base, from_base),
 609                                   subst(conv.result_file,
 610                                         token_base, OnlyFilename(from_base)));
 611
 612                 if (conv.latex) {
 613                         run_latex = true;
 614                         string command = subst(conv.command, token_from, "");
 615                         lyxerr[Debug::FILES] << "Running " << command << endl;
 616                         if (!runLaTeX(buffer, command))
 617                                 return false;
 618                 } else {
 619                         if (conv.need_aux && !run_latex
 620                             && !latex_command_.empty()) {
 621                                 lyxerr[Debug::FILES]
 622                                         << "Running " << latex_command_
 623                                         << " to update aux file"<<  endl;
 624                                 runLaTeX(buffer, latex_command_);
 625                         }
 626
 627                         string infile2 = (conv.original_dir)
 628                                 ? infile : MakeRelPath(infile, path);
 629                         string outfile2 = (conv.original_dir)
 630                                 ? outfile : MakeRelPath(outfile, path);
 631
 632                         string command = conv.command;
 633                         command = subst(command, token_from, QuoteName(infile2));
 634                         command = subst(command, token_base, QuoteName(from_base));
 635                         command = subst(command, token_to, QuoteName(outfile2));
 636
 637                         if (!conv.parselog.empty())
 638                                 command += " 2> " + QuoteName(infile2 + ".out");
 639
 640                         if (conv.from == "dvi" && conv.to == "ps")
 641                                 command = add_options(command,
 642                                                       dvips_options(buffer));
 643                         else if (conv.from == "dvi" && prefixIs(conv.to, "pdf"))
 644                                 command = add_options(command,
 645                                                       dvipdfm_options(buffer));
 646
 647                         lyxerr[Debug::FILES] << "Calling " << command << endl;
 648                         if (buffer)
 649                                 ShowMessage(buffer, _("Executing command:"), command);
 650
 651                         Systemcall::Starttype type = (dummy)
 652                                 ? Systemcall::DontWait : Systemcall::Wait;
 653                         Systemcall one;
 654                         int res;
 655                         if (conv.original_dir && buffer) {
 656                                 Path p(buffer->filePath());
 657                                 res = one.startscript(type, command);
 658                         } else
 659                                 res = one.startscript(type, command);
 660
 661                         if (!conv.parselog.empty()) {
 662                                 string const logfile =  infile2 + ".log";
 663                                 string const script = LibScriptSearch(conv.parselog);
 664                                 string const command2 = script +
 665                                         " < " + QuoteName(infile2 + ".out") +
 666                                         " > " + QuoteName(logfile);
 667                                 one.startscript(Systemcall::Wait, command2);
 668                                 if (!scanLog(buffer, command, logfile))
 669                                         return false;
 670                         }
 671
 672                         if (res) {
 673                                 if (conv.to == "program")
 674                                         Alert::alert(_("There were errors during the Build process."),
 675                                                    _("You should try to fix them."));
 676                                 else
 677                                         Alert::alert(_("Cannot convert file"),
 678                                                    "Error while executing",
 679                                                    command.substr(0, 50));
 680                                 return false;
 681                         }
 682                 }
 683         }
 684
 685         Converter const & conv = converterlist_[edgepath.back()];
 686         if (conv.To->dummy())
 687                 return true;
 688
 689
 690         if (!conv.result_dir.empty()) {
 691                 to_file = AddName(subst(conv.result_dir, token_base, to_base),
 692                                   subst(conv.result_file,
 693                                         token_base, OnlyFilename(to_base)));
 694                 if (from_base != to_base) {
 695                         string from = subst(conv.result_dir,
 696                                             token_base, from_base);
 697                         string to = subst(conv.result_dir,
 698                                           token_base, to_base);
 699                         if (!lyx::rename(from, to)) {
 700                                 Alert::alert(_("Error while trying to move directory:"),
 701                                            from, ("to ") + to);
 702                                 return false;
 703                         }
 704                 }
 705                 return true;
 706         } else
 707                 return move(outfile, to_file, conv.latex);
 708 }
 709
 710 // If from = /path/file.ext and to = /path2/file2.ext2 then this method
 711 // moves each /path/file*.ext file to /path2/file2*.ext2'
 712 bool Converters::move(string const & from, string const & to, bool copy)
 713 {
 714         if (from == to)
 715                 return true;
 716
 717         bool no_errors = true;
 718         string const path = OnlyPath(from);
 719         string const base = OnlyFilename(ChangeExtension(from, ""));
 720         string const to_base = ChangeExtension(to, "");
 721         string const to_extension = GetExtension(to);
 722
 723         vector<string> files = DirList(OnlyPath(from), GetExtension(from));
 724         for (vector<string>::const_iterator it = files.begin();
 725              it != files.end(); ++it)
 726                 if (prefixIs(*it, base)) {
 727                         string const from2 = path + *it;
 728                         string to2 = to_base + it->substr(base.length());
 729                         to2 = ChangeExtension(to2, to_extension);
 730                         lyxerr[Debug::FILES] << "moving " << from2
 731                                              << " to " << to2 << endl;
 732                         bool const moved = (copy)
 733                                 ? lyx::copy(from2, to2)
 734                                 : lyx::rename(from2, to2);
 735                         if (!moved && no_errors) {
 736                                 Alert::alert(_("Error while trying to move file:"),
 737                                            from2, _("to ") + to2);
 738                                 no_errors = false;
 739                         }
 740                 }
 741         return no_errors;
 742 }
 743
 744
 745 bool Converters::convert(Buffer const * buffer,
 746                         string const & from_file, string const & to_file_base,
 747                         string const & from_format, string const & to_format)
 748 {
 749         string to_file;
 750         return convert(buffer, from_file, to_file_base, from_format, to_format,
 751                        to_file);
 752 }
 753
 754
 755 void Converters::buildGraph()
 756 {
 757         vertices_ = vector<Vertex>(formats.size());
 758         visited_.resize(formats.size());
 759
 760         for (ConverterList::iterator it = converterlist_.begin();
 761              it != converterlist_.end(); ++it) {
 762                 int const s = formats.getNumber(it->from);
 763                 int const t = formats.getNumber(it->to);
 764                 vertices_[t].in_vertices.push_back(s);
 765                 vertices_[s].out_vertices.push_back(t);
 766                 vertices_[s].out_edges.push_back(it - converterlist_.begin());
 767         }
 768 }
 769
 770
 771 bool Converters::formatIsUsed(string const & format)
 772 {
 773         ConverterList::const_iterator cit = converterlist_.begin();
 774         ConverterList::const_iterator end = converterlist_.end();
 775         for (; cit != end; ++cit) {
 776                 if (cit->from == format || cit->to == format)
 777                         return true;
 778         }
 779         return false;
 780 }
 781
 782
 783 bool Converters::scanLog(Buffer const * buffer, string const & command,
 784                         string const & filename)
 785 {
 786         if (!buffer)
 787                 return false;
 788
 789         BufferView * bv = buffer->getUser();
 790         if (bv) {
 791                 bv->owner()->prohibitInput();
 792                 // all error insets should have been removed by now
 793         }
 794
 795         LaTeX latex("", filename, "");
 796         TeXErrors terr;
 797         int result = latex.scanLogFile(terr);
 798         if (bv) {
 799                 if ((result & LaTeX::ERRORS)) {
 800                         // Insert all errors as errors boxes
 801                         bv->insertErrors(terr);
 802 #warning repaint() or update() or nothing ?
 803                         bv->repaint();
 804                         bv->fitCursor();
 805                 }
 806                 bv->owner()->allowInput();
 807         }
 808
 809         if ((result & LaTeX::ERRORS)) {
 810                 int num_errors = latex.getNumErrors();
 811                 string s;
 812                 string t;
 813                 if (num_errors == 1) {
 814                         s = _("One error detected");
 815                         t = _("You should try to fix it.");
 816                 } else {
 817                         s = tostr(num_errors);
 818                         s += _(" errors detected.");
 819                         t = _("You should try to fix them.");
 820                 }
 821                 string head;
 822                 split(command, head, ' ');
 823                 Alert::alert(_("There were errors during running of ") + head,
 824                            s, t);
 825                 return false;
 826         } else if (result & LaTeX::NO_OUTPUT) {
 827                 string const s = _("The operation resulted in");
 828                 string const t = _("an empty file.");
 829                 Alert::alert(_("Resulting file is empty"), s, t);
 830                 return false;
 831         }
 832         return true;
 833 }
 834
 835
 836 bool Converters::runLaTeX(Buffer const * buffer, string const & command)
 837 {
 838         if (!buffer)
 839                 return false;
 840
 841         BufferView * bv = buffer->getUser();
 842
 843         if (bv) {
 844                 bv->owner()->prohibitInput();
 845                 bv->owner()->message(_("Running LaTeX..."));
 846                 // all the autoinsets have already been removed
 847         }
 848
 849         // do the LaTeX run(s)
 850         string name = buffer->getLatexName();
 851         LaTeX latex(command, name, buffer->filePath());
 852         TeXErrors terr;
 853         int result = latex.run(terr,
 854                                bv ? bv->owner()->getLyXFunc() : 0);
 855
 856         if (bv) {
 857                 if ((result & LaTeX::ERRORS)) {
 858                         // Insert all errors as errors boxes
 859                         bv->insertErrors(terr);
 860 #warning repaint() or update() or nothing ?
 861                         bv->repaint();
 862                         bv->fitCursor();
 863                 }
 864         }
 865
 866         // check return value from latex.run().
 867         if ((result & LaTeX::NO_LOGFILE)) {
 868                 Alert::alert(_("LaTeX did not work!"),
 869                            _("Missing log file:"), name);
 870         } else if ((result & LaTeX::ERRORS)) {
 871                 int num_errors = latex.getNumErrors();
 872                 string s;
 873                 string t;
 874                 if (num_errors == 1) {
 875                         s = _("One error detected");
 876                         t = _("You should try to fix it.");
 877                 } else {
 878                         s = tostr(num_errors);
 879                         s += _(" errors detected.");
 880                         t = _("You should try to fix them.");
 881                 }
 882                 Alert::alert(_("There were errors during the LaTeX run."),
 883                            s, t);
 884         }  else if (result & LaTeX::NO_OUTPUT) {
 885                 string const s = _("The operation resulted in");
 886                 string const t = _("an empty file.");
 887                 Alert::alert(_("Resulting file is empty"), s, t);
 888         }
 889
 890         if (bv)
 891                 bv->owner()->allowInput();
 892
 893         int const ERROR_MASK =
 894                         LaTeX::NO_LOGFILE |
 895                         LaTeX::ERRORS |
 896                         LaTeX::NO_OUTPUT;
 897
 898         return (result & ERROR_MASK) == 0;
 899
 900 }
 901
 902
 903 string const Converters::papersize(Buffer const * buffer)
 904 {
 905         char real_papersize = buffer->params.papersize;
 906         if (real_papersize == BufferParams::PAPER_DEFAULT)
 907                 real_papersize = lyxrc.default_papersize;
 908
 909         switch (real_papersize) {
 910         case BufferParams::PAPER_A3PAPER:
 911                 return "a3";
 912         case BufferParams::PAPER_A4PAPER:
 913                 return "a4";
 914         case BufferParams::PAPER_A5PAPER:
 915                 return "a5";
 916         case BufferParams::PAPER_B5PAPER:
 917                 return "b5";
 918         case BufferParams::PAPER_EXECUTIVEPAPER:
 919                 return "foolscap";
 920         case BufferParams::PAPER_LEGALPAPER:
 921                 return "legal";
 922         case BufferParams::PAPER_USLETTER:
 923         default:
 924                 return "letter";
 925         }
 926 }
 927
 928
 929 string const Converters::dvips_options(Buffer const * buffer)
 930 {
 931         string result;
 932         if (!buffer)
 933                 return result;
 934
 935         if (buffer->params.use_geometry
 936             && buffer->params.papersize2 == BufferParams::VM_PAPER_CUSTOM
 937             && !lyxrc.print_paper_dimension_flag.empty()
 938             && !buffer->params.paperwidth.empty()
 939             && !buffer->params.paperheight.empty()) {
 940                 // using a custom papersize
 941                 result = lyxrc.print_paper_dimension_flag;
 942                 result += ' ' + buffer->params.paperwidth;
 943                 result += ',' + buffer->params.paperheight;
 944         } else {
 945                 string const paper_option = papersize(buffer);
 946                 if (paper_option != "letter" ||
 947                     buffer->params.orientation != BufferParams::ORIENTATION_LANDSCAPE) {
 948                         // dvips won't accept -t letter -t landscape.  In all other
 949                         // cases, include the paper size explicitly.
 950                         result = lyxrc.print_paper_flag;
 951                         result += ' ' + paper_option;
 952                 }
 953         }
 954         if (buffer->params.orientation == BufferParams::ORIENTATION_LANDSCAPE &&
 955             buffer->params.papersize2 != BufferParams::VM_PAPER_CUSTOM)
 956                 result += ' ' + lyxrc.print_landscape_flag;
 957         return result;
 958 }
 959
 960
 961 string const Converters::dvipdfm_options(Buffer const * buffer)
 962 {
 963         string result;
 964         if (!buffer)
 965                 return result;
 966
 967         if (buffer->params.papersize2 != BufferParams::VM_PAPER_CUSTOM) {
 968                 string const paper_size = papersize(buffer);
 969                 if (paper_size != "b5" && paper_size != "foolscap")
 970                         result = "-p "+ paper_size;
 971
 972                 if (buffer->params.orientation == BufferParams::ORIENTATION_LANDSCAPE)
 973                         result += " -l";
 974         }
 975
 976         return result;
 977 }
 978
 979
 980 vector<Converters::Vertex> Converters::vertices_;
 981
 982
 983 /// The global instance
 984 Formats formats;
 985 Converters converters;
 986
 987 // The global copy after reading lyxrc.defaults
 988 Formats system_formats;
 989 Converters system_converters;