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