src/converter.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 1995 Matthias Ettrich
   7  *           Copyright 1995-2001 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12
  13 #ifdef __GNUG__
  14 #pragma implementation
  15 #endif
  16
  17 #include <cctype>
  18
  19 #include "converter.h"
  20 #include "lyxrc.h"
  21 #include "support/syscall.h"
  22 #include "support/path.h"
  23 #include "support/filetools.h"
  24 #include "buffer.h"
  25 #include "bufferview_funcs.h"
  26 #include "LaTeX.h"
  27 #include "LyXView.h"
  28 #include "lyx_gui_misc.h"
  29 #include "lyx_cb.h" // ShowMessage()
  30 #include "support/lyxfunctional.h"
  31 #include "gettext.h"
  32 #include "BufferView.h"
  33 #include "debug.h"
  34
  35 using std::vector;
  36 using std::queue;
  37 using std::endl;
  38 using std::fill;
  39 using std::find_if;
  40 using std::reverse;
  41 using std::sort;
  42
  43 namespace {
  44
  45 string const token_from("$$i");
  46 string const token_base("$$b");
  47 string const token_to("$$o");
  48
  49 //////////////////////////////////////////////////////////////////////////////
  50
  51 inline
  52 string const add_options(string const & command, string const & options)
  53 {
  54         string head;
  55         string const tail = split(command, head, ' ');
  56         return head + ' ' + options + ' ' + tail;
  57 }
  58
  59 } // namespace anon
  60
  61 //////////////////////////////////////////////////////////////////////////////
  62
  63 bool Format::dummy() const
  64 {
  65         return extension().empty();
  66 }
  67
  68
  69 bool Format::isChildFormat() const
  70 {
  71         if (name_.empty())
  72                 return false;
  73         return isdigit(name_[name_.length() - 1]);
  74 }
  75
  76
  77 string const Format::parentFormat() const
  78 {
  79         return name_.substr(0, name_.length() - 1);
  80 }
  81
  82 //////////////////////////////////////////////////////////////////////////////
  83
  84 // This method should return a reference, and throw an exception
  85 // if the format named name cannot be found (Lgb)
  86 Format const * Formats::getFormat(string const & name) const
  87 {
  88         FormatList::const_iterator cit =
  89                 find_if(formatlist.begin(), formatlist.end(),
  90                         lyx::compare_memfun(&Format::name, name));
  91         if (cit != formatlist.end())
  92                 return &(*cit);
  93         else
  94                 return 0;
  95 }
  96
  97
  98 int Formats::getNumber(string const & name) const
  99 {
 100         FormatList::const_iterator cit =
 101                 find_if(formatlist.begin(), formatlist.end(),
 102                         lyx::compare_memfun(&Format::name, name));
 103         if (cit != formatlist.end())
 104                 return cit - formatlist.begin();
 105         else
 106                 return -1;
 107 }
 108
 109
 110 void Formats::add(string const & name)
 111 {
 112         if (!getFormat(name))
 113                 add(name, name, name, string());
 114 }
 115
 116
 117 void Formats::add(string const & name, string const & extension,
 118                   string const & prettyname, string const & shortcut)
 119 {
 120         FormatList::iterator it =
 121                 find_if(formatlist.begin(), formatlist.end(),
 122                         lyx::compare_memfun(&Format::name, name));
 123         if (it == formatlist.end())
 124                 formatlist.push_back(Format(name, extension, prettyname,
 125                                             shortcut, ""));
 126         else {
 127                 string viewer = it->viewer();
 128                 *it = Format(name, extension, prettyname, shortcut, viewer);
 129         }
 130 }
 131
 132
 133 void Formats::erase(string const & name)
 134 {
 135         FormatList::iterator it =
 136                 find_if(formatlist.begin(), formatlist.end(),
 137                         lyx::compare_memfun(&Format::name, name));
 138         if (it != formatlist.end())
 139                 formatlist.erase(it);
 140 }
 141
 142
 143 void Formats::sort()
 144 {
 145         std::sort(formatlist.begin(), formatlist.end());
 146 }
 147
 148
 149 void Formats::setViewer(string const & name, string const & command)
 150 {
 151         add(name);
 152         FormatList::iterator it =
 153                 find_if(formatlist.begin(), formatlist.end(),
 154                         lyx::compare_memfun(&Format::name, name));
 155         if (it != formatlist.end())
 156                 it->setViewer(command);
 157 }
 158
 159
 160 bool Formats::view(Buffer const * buffer, string const & filename,
 161                    string const & format_name) const
 162 {
 163         if (filename.empty())
 164                 return false;
 165
 166         Format const * format = getFormat(format_name);
 167         if (format && format->viewer().empty() &&
 168             format->isChildFormat())
 169                 format = getFormat(format->parentFormat());
 170         if (!format || format->viewer().empty()) {
 171                 WriteAlert(_("Cannot view file"),
 172                            _("No information for viewing ")
 173                            + prettyName(format_name));
 174                            return false;
 175         }
 176
 177         string command = format->viewer();
 178
 179         if (format_name == "dvi" &&
 180             !lyxrc.view_dvi_paper_option.empty()) {
 181                 command += " " + lyxrc.view_dvi_paper_option;
 182                 string paper_size = converters.papersize(buffer);
 183                 if (paper_size == "letter")
 184                         paper_size = "us";
 185                 command += " " + paper_size;
 186                 if (buffer->params.orientation
 187                     == BufferParams::ORIENTATION_LANDSCAPE)
 188                         command += 'r';
 189         }
 190
 191         command += " " + QuoteName(OnlyFilename((filename)));
 192
 193         lyxerr[Debug::FILES] << "Executing command: " << command << endl;
 194         ShowMessage(buffer, _("Executing command:"), command);
 195
 196         Path p(OnlyPath(filename));
 197         Systemcalls one;
 198         int const res = one.startscript(Systemcalls::SystemDontWait, command);
 199
 200         if (res) {
 201                 WriteAlert(_("Cannot view file"),
 202                            _("Error while executing"),
 203                            command.substr(0, 50));
 204                 return false;
 205         }
 206         return true;
 207 }
 208
 209
 210 string const Formats::prettyName(string const & name) const
 211 {
 212         Format const * format = getFormat(name);
 213         if (format)
 214                 return format->prettyname();
 215         else
 216                 return name;
 217 }
 218
 219
 220 string const Formats::extension(string const & name) const
 221 {
 222         Format const * format = getFormat(name);
 223         if (format)
 224                 return format->extension();
 225         else
 226                 return name;
 227 }
 228
 229 //////////////////////////////////////////////////////////////////////////////
 230
 231 void Converter::readFlags()
 232 {
 233         string flag_list(flags);
 234         while (!flag_list.empty()) {
 235                 string flag_name, flag_value;
 236                 flag_list = split(flag_list, flag_value, ',');
 237                 flag_value = split(flag_value, flag_name, '=');
 238                 if (flag_name == "latex")
 239                         latex = true;
 240                 else if (flag_name == "originaldir")
 241                         original_dir = true;
 242                 else if (flag_name == "needaux")
 243                         need_aux = true;
 244                 else if (flag_name == "resultdir")
 245                         result_dir = (flag_value.empty())
 246                                 ? token_base : flag_value;
 247                 else if (flag_name == "resultfile")
 248                         result_file = flag_value;
 249                 else if (flag_name == "parselog")
 250                         parselog = flag_value;
 251         }
 252         if (!result_dir.empty() && result_file.empty())
 253                 result_file = "index." + formats.extension(to);
 254         //if (!contains(command, token_from))
 255         //      latex = true;
 256 }
 257
 258
 259 bool operator<(Converter const & a, Converter const & b)
 260 {
 261         int const i = compare_no_case(a.From->prettyname(),
 262                                       b.From->prettyname());
 263         if (i == 0)
 264                 return compare_no_case(a.To->prettyname(), b.To->prettyname())
 265                         < 0;
 266         else
 267                 return i < 0;
 268 }
 269
 270 //////////////////////////////////////////////////////////////////////////////
 271
 272 class compare_Converter {
 273 public:
 274         compare_Converter(string const & f, string const & t)
 275                 : from(f), to(t) {}
 276         bool operator()(Converter const & c) {
 277                 return c.from == from && c.to == to;
 278         }
 279 private:
 280         string const & from;
 281         string const & to;
 282 };
 283
 284
 285 Converter const * Converters::getConverter(string const & from,
 286                                             string const & to)
 287 {
 288         ConverterList::const_iterator cit =
 289                 find_if(converterlist_.begin(), converterlist_.end(),
 290                         compare_Converter(from, to));
 291         if (cit != converterlist_.end())
 292                 return &(*cit);
 293         else
 294                 return 0;
 295 }
 296
 297
 298 int Converters::getNumber(string const & from, string const & to)
 299 {
 300         ConverterList::const_iterator cit =
 301                 find_if(converterlist_.begin(), converterlist_.end(),
 302                         compare_Converter(from, to));
 303         if (cit != converterlist_.end())
 304                 return cit - converterlist_.begin();
 305         else
 306                 return -1;
 307 }
 308
 309
 310 void Converters::add(string const & from, string const & to,
 311                      string const & command, string const & flags)
 312 {
 313         formats.add(from);
 314         formats.add(to);
 315         ConverterList::iterator it = find_if(converterlist_.begin(),
 316                                              converterlist_.end(),
 317                                              compare_Converter(from, to));
 318
 319         Converter converter(from, to, command, flags);
 320         if (it != converterlist_.end() && !flags.empty() && flags[0] == '*') {
 321                 converter = *it;
 322                 converter.command = command;
 323                 converter.flags = flags;
 324         }
 325         converter.readFlags();
 326
 327         if (converter.latex && (latex_command_.empty() || to == "dvi"))
 328                 latex_command_ = subst(command, token_from, "");
 329         // If we have both latex & pdflatex, we set latex_command to latex.
 330         // The latex_command is used to update the .aux file when running
 331         // a converter that uses it.
 332
 333         if (it == converterlist_.end()) {
 334                 converterlist_.push_back(converter);
 335         } else {
 336                 converter.From = it->From;
 337                 converter.To = it->To;
 338                 *it = converter;
 339         }
 340 }
 341
 342
 343 void Converters::erase(string const & from, string const & to)
 344 {
 345         ConverterList::iterator it = find_if(converterlist_.begin(),
 346                                              converterlist_.end(),
 347                                              compare_Converter(from, to));
 348         if (it != converterlist_.end())
 349                 converterlist_.erase(it);
 350 }
 351
 352
 353 // This method updates the pointers From and To in all the converters.
 354 // The code is not very efficient, but it doesn't matter as the number
 355 // of formats and converters is small.
 356 // Furthermore, this method is called only on startup, or after
 357 // adding/deleting a format in FormPreferences (the latter calls can be
 358 // eliminated if the formats in the Formats class are stored using a map or
 359 // a list (instead of a vector), but this will cause other problems).
 360 void Converters::update(Formats const & formats)
 361 {
 362         ConverterList::iterator it = converterlist_.begin();
 363         ConverterList::iterator end = converterlist_.end();
 364         for (; it != end; ++it) {
 365                 it->From = formats.getFormat(it->from);
 366                 it->To = formats.getFormat(it->to);
 367         }
 368 }
 369
 370
 371 // This method updates the pointers From and To in the last converter.
 372 // It is called when adding a new converter in FormPreferences
 373 void Converters::updateLast(Formats const & formats)
 374 {
 375         if (converterlist_.begin() != converterlist_.end()) {
 376                 ConverterList::iterator it = converterlist_.end() - 1;
 377                 it->From = formats.getFormat(it->from);
 378                 it->To = formats.getFormat(it->to);
 379         }
 380 }
 381
 382
 383 void Converters::sort()
 384 {
 385         std::sort(converterlist_.begin(), converterlist_.end());
 386 }
 387
 388
 389 int Converters::bfs_init(string const & start, bool clear_visited)
 390 {
 391         int const s = formats.getNumber(start);
 392         if (s < 0)
 393                 return s;
 394
 395         Q_ = queue<int>();
 396         if (clear_visited)
 397                 fill(visited_.begin(), visited_.end(), false);
 398         if (visited_[s] == false) {
 399                 Q_.push(s);
 400                 visited_[s] = true;
 401         }
 402         return s;
 403 }
 404
 405
 406 vector<Format const *> const
 407 Converters::getReachableTo(string const & target, bool clear_visited)
 408 {
 409         vector<Format const *> result;
 410         int const s = bfs_init(target, clear_visited);
 411         if (s < 0)
 412                 return result;
 413
 414         while (!Q_.empty()) {
 415                 int const i = Q_.front();
 416                 Q_.pop();
 417                 if (i != s || target != "lyx") {
 418                         result.push_back(&formats.get(i));
 419                 }
 420
 421                 vector<int>::iterator it = vertices_[i].in_vertices.begin();
 422                 vector<int>::iterator end = vertices_[i].in_vertices.end();
 423                 for (; it != end; ++it) {
 424                         if (!visited_[*it]) {
 425                                 visited_[*it] = true;
 426                                 Q_.push(*it);
 427                         }
 428                 }
 429         }
 430
 431         return result;
 432 }
 433
 434
 435 vector<Format const *> const
 436 Converters::getReachable(string const & from, bool only_viewable,
 437                          bool clear_visited)
 438 {
 439         vector<Format const *> result;
 440
 441         if (bfs_init(from, clear_visited) < 0)
 442                 return result;
 443
 444         while (!Q_.empty()) {
 445                 int const i = Q_.front();
 446                 Q_.pop();
 447                 Format const & format = formats.get(i);
 448                 if (format.name() == "lyx")
 449                         continue;
 450                 if (!only_viewable || !format.viewer().empty() ||
 451                     format.isChildFormat())
 452                         result.push_back(&format);
 453
 454                 vector<int>::const_iterator cit =
 455                         vertices_[i].out_vertices.begin();
 456                 vector<int>::const_iterator end =
 457                         vertices_[i].out_vertices.end();
 458                 for (; cit != end; ++cit)
 459                         if (!visited_[*cit]) {
 460                                 visited_[*cit] = true;
 461                                 Q_.push(*cit);
 462                         }
 463         }
 464
 465         return result;
 466 }
 467
 468
 469 bool Converters::isReachable(string const & from, string const & to)
 470 {
 471         if (from == to)
 472                 return true;
 473
 474         int const s = bfs_init(from);
 475         int const t = formats.getNumber(to);
 476         if (s < 0 || t < 0)
 477                 return false;
 478
 479         while (!Q_.empty()) {
 480                 int const i = Q_.front();
 481                 Q_.pop();
 482                 if (i == t)
 483                         return true;
 484
 485                 vector<int>::const_iterator cit =
 486                         vertices_[i].out_vertices.begin();
 487                 vector<int>::const_iterator end =
 488                         vertices_[i].out_vertices.end();
 489                 for (; cit != end; ++cit) {
 490                         if (!visited_[*cit]) {
 491                                 visited_[*cit] = true;
 492                                 Q_.push(*cit);
 493                         }
 494                 }
 495         }
 496
 497         return false;
 498 }
 499
 500
 501 Converters::EdgePath const
 502 Converters::getPath(string const & from, string const & to)
 503 {
 504         EdgePath path;
 505         if (from == to)
 506                 return path;
 507
 508         int const s = bfs_init(from);
 509         int t = formats.getNumber(to);
 510         if (s < 0 || t < 0)
 511                 return path;
 512
 513         vector<int> prev_edge(formats.size());
 514         vector<int> prev_vertex(formats.size());
 515
 516         bool found = false;
 517         while (!Q_.empty()) {
 518                 int const i = Q_.front();
 519                 Q_.pop();
 520                 if (i == t) {
 521                         found = true;
 522                         break;
 523                 }
 524
 525                 vector<int>::const_iterator beg =
 526                         vertices_[i].out_vertices.begin();
 527                 vector<int>::const_iterator cit = beg;
 528                 vector<int>::const_iterator end =
 529                         vertices_[i].out_vertices.end();
 530                 for (; cit != end; ++cit)
 531                         if (!visited_[*cit]) {
 532                                 int const j = *cit;
 533                                 visited_[j] = true;
 534                                 Q_.push(j);
 535                                 int const k = cit - beg;
 536                                 prev_edge[j] = vertices_[i].out_edges[k];
 537                                 prev_vertex[j] = i;
 538                         }
 539         }
 540         if (!found)
 541                 return path;
 542
 543         while (t != s) {
 544                 path.push_back(prev_edge[t]);
 545                 t = prev_vertex[t];
 546         }
 547         reverse(path.begin(), path.end());
 548         return path;
 549 }
 550
 551
 552 bool Converters::usePdflatex(EdgePath const & path)
 553 {
 554         for (EdgePath::const_iterator cit = path.begin();
 555              cit != path.end(); ++cit) {
 556                 Converter const & conv = converterlist_[*cit];
 557                 if (conv.latex)
 558                         return contains(conv.to, "pdf");
 559         }
 560         return false;
 561 }
 562
 563
 564 bool Converters::convert(Buffer const * buffer,
 565                          string const & from_file, string const & to_file_base,
 566                          string const & from_format, string const & to_format,
 567                          string & to_file)
 568 {
 569         to_file = ChangeExtension(to_file_base,
 570                                   formats.extension(to_format));
 571
 572         if (from_format == to_format)
 573                 return move(from_file, to_file, false);
 574
 575         EdgePath edgepath = getPath(from_format, to_format);
 576         if (edgepath.empty()) {
 577                 WriteAlert(_("Cannot convert file"),
 578                            _("No information for converting from ")
 579                            + formats.prettyName(from_format) + _(" to ")
 580                            + formats.prettyName(to_format));
 581                 return false;
 582         }
 583
 584         string path = OnlyPath(from_file);
 585         Path p(path);
 586
 587         bool run_latex = false;
 588         string from_base = ChangeExtension(from_file, "");
 589         string to_base = ChangeExtension(to_file, "");
 590         string infile;
 591         string outfile = from_file;
 592         for (EdgePath::const_iterator cit = edgepath.begin();
 593              cit != edgepath.end(); ++cit) {
 594                 Converter const & conv = converterlist_[*cit];
 595                 bool dummy = conv.To->dummy() && conv.to != "program";
 596                 if (!dummy)
 597                         lyxerr[Debug::FILES] << "Converting from  "
 598                                << conv.from << " to " << conv.to << endl;
 599                 infile = outfile;
 600                 outfile = conv.result_dir.empty()
 601                         ? ChangeExtension(from_file, conv.To->extension())
 602                         : AddName(subst(conv.result_dir,
 603                                         token_base, from_base),
 604                                   subst(conv.result_file,
 605                                         token_base, OnlyFilename(from_base)));
 606
 607                 if (conv.latex) {
 608                         run_latex = true;
 609                         string command = subst(conv.command, token_from, "");
 610                         lyxerr[Debug::FILES] << "Running " << command << endl;
 611                         if (!runLaTeX(buffer, command))
 612                                 return false;
 613                 } else {
 614                         if (conv.need_aux && !run_latex
 615                             && !latex_command_.empty()) {
 616                                 lyxerr[Debug::FILES]
 617                                         << "Running " << latex_command_
 618                                         << " to update aux file"<<  endl;
 619                                 runLaTeX(buffer, latex_command_);
 620                         }
 621
 622                         string infile2 = (conv.original_dir)
 623                                 ? infile : MakeRelPath(infile, path);
 624                         string outfile2 = (conv.original_dir)
 625                                 ? outfile : MakeRelPath(outfile, path);
 626
 627                         string command = conv.command;
 628                         command = subst(command, token_from, QuoteName(infile2));
 629                         command = subst(command, token_base, QuoteName(from_base));
 630                         command = subst(command, token_to, QuoteName(outfile2));
 631
 632                         if (!conv.parselog.empty())
 633                                 command += " 2> " + QuoteName(infile2 + ".out");
 634
 635                         if (conv.from == "dvi" && conv.to == "ps")
 636                                 command = add_options(command,
 637                                                       dvips_options(buffer));
 638                         else if (conv.from == "dvi" && prefixIs(conv.to, "pdf"))
 639                                 command = add_options(command,
 640                                                       dvipdfm_options(buffer));
 641
 642                         lyxerr[Debug::FILES] << "Calling " << command << endl;
 643                         if (buffer)
 644                                 ShowMessage(buffer, _("Executing command:"), command);
 645
 646                         Systemcalls::Starttype type = (dummy)
 647                                 ? Systemcalls::SystemDontWait : Systemcalls::System;
 648                         Systemcalls one;
 649                         int res;
 650                         if (conv.original_dir && buffer) {
 651                                 Path p(buffer->filepath);
 652                                 res = one.startscript(type, command);
 653                         } else
 654                                 res = one.startscript(type, command);
 655
 656                         if (!conv.parselog.empty()) {
 657                                 string const logfile =  infile2 + ".log";
 658                                 string const command2 = conv.parselog +
 659                                         " < " + QuoteName(infile2 + ".out") +
 660                                         " > " + QuoteName(logfile);
 661                                 one.startscript(Systemcalls::System, command2);
 662                                 if (!scanLog(buffer, command, logfile))
 663                                         return false;
 664                         }
 665
 666                         if (res) {
 667                                 if (conv.to == "program")
 668                                         WriteAlert(_("There were errors during the Build process."),
 669                                                    _("You should try to fix them."));
 670                                 else
 671                                         WriteAlert(_("Cannot convert file"),
 672                                                    "Error while executing",
 673                                                    command.substr(0, 50));
 674                                 return false;
 675                         }
 676                 }
 677         }
 678
 679         Converter const & conv = converterlist_[edgepath.back()];
 680         if (conv.To->dummy())
 681                 return true;
 682
 683
 684         if (!conv.result_dir.empty()) {
 685                 to_file = AddName(subst(conv.result_dir, token_base, to_base),
 686                                   subst(conv.result_file,
 687                                         token_base, OnlyFilename(to_base)));
 688                 if (from_base != to_base) {
 689                         string from = subst(conv.result_dir,
 690                                             token_base, from_base);
 691                         string to = subst(conv.result_dir,
 692                                           token_base, to_base);
 693                         if (!lyx::rename(from, to)) {
 694                                 WriteAlert(_("Error while trying to move directory:"),
 695                                            from, ("to ") + to);
 696                                 return false;
 697                         }
 698                 }
 699                 return true;
 700         } else
 701                 return move(outfile, to_file, conv.latex);
 702 }
 703
 704 // If from = /path/file.ext and to = /path2/file2.ext2 then this method
 705 // moves each /path/file*.ext file to /path2/file2*.ext2'
 706 bool Converters::move(string const & from, string const & to, bool copy)
 707 {
 708         if (from == to)
 709                 return true;
 710
 711         bool no_errors = true;
 712         string const path = OnlyPath(from);
 713         string const base = OnlyFilename(ChangeExtension(from, ""));
 714         string const to_base = ChangeExtension(to, "");
 715         string const to_extension = GetExtension(to);
 716
 717         vector<string> files = DirList(OnlyPath(from), GetExtension(from));
 718         for (vector<string>::const_iterator it = files.begin();
 719              it != files.end(); ++it)
 720                 if (prefixIs(*it, base)) {
 721                         string from2 = path + *it;
 722                         string to2 = to_base + it->substr(base.length());
 723                         to2 = ChangeExtension(to2, to_extension);
 724                         lyxerr[Debug::FILES] << "moving " << from2
 725                                              << " to " << to2 << endl;
 726                         bool moved = (copy)
 727                                 ? lyx::copy(from2, to2)
 728                                 : lyx::rename(from2, to2);
 729                         if (!moved && no_errors) {
 730                                 WriteAlert(_("Error while trying to move file:"),
 731                                            from2, _("to ") + to2);
 732                                 no_errors = false;
 733                         }
 734                 }
 735         return no_errors;
 736 }
 737
 738
 739 bool Converters::convert(Buffer const * buffer,
 740                         string const & from_file, string const & to_file_base,
 741                         string const & from_format, string const & to_format)
 742 {
 743         string to_file;
 744         return convert(buffer, from_file, to_file_base, from_format, to_format,
 745                        to_file);
 746 }
 747
 748
 749 void Converters::buildGraph()
 750 {
 751         vertices_ = vector<Vertex>(formats.size());
 752         visited_.resize(formats.size());
 753
 754         for (ConverterList::iterator it = converterlist_.begin();
 755              it != converterlist_.end(); ++it) {
 756                 int const s = formats.getNumber(it->from);
 757                 int const t = formats.getNumber(it->to);
 758                 vertices_[t].in_vertices.push_back(s);
 759                 vertices_[s].out_vertices.push_back(t);
 760                 vertices_[s].out_edges.push_back(it - converterlist_.begin());
 761         }
 762 }
 763
 764
 765 bool Converters::formatIsUsed(string const & format)
 766 {
 767         ConverterList::const_iterator cit = converterlist_.begin();
 768         ConverterList::const_iterator end = converterlist_.end();
 769         for (; cit != end; ++cit) {
 770                 if (cit->from == format || cit->to == format)
 771                         return true;
 772         }
 773         return false;
 774 }
 775
 776
 777 bool Converters::scanLog(Buffer const * buffer, string const & command,
 778                         string const & filename)
 779 {
 780         if (!buffer)
 781                 return false;
 782
 783         BufferView * bv = buffer->getUser();
 784         bool need_redraw = false;
 785         if (bv) {
 786                 bv->owner()->prohibitInput();
 787                 // Remove all error insets
 788                 need_redraw = bv->removeAutoInsets();
 789         }
 790
 791         LaTeX latex("", filename, "");
 792         TeXErrors terr;
 793         int result = latex.scanLogFile(terr);
 794         if (bv) {
 795                 if ((result & LaTeX::ERRORS)) {
 796                         // Insert all errors as errors boxes
 797                         bv->insertErrors(terr);
 798                         need_redraw = true;
 799                 }
 800                 if (need_redraw) {
 801                         bv->redraw();
 802                         bv->fitCursor();
 803                 }
 804                 bv->owner()->allowInput();
 805         }
 806
 807         if ((result & LaTeX::ERRORS)) {
 808                 int num_errors = latex.getNumErrors();
 809                 string s;
 810                 string t;
 811                 if (num_errors == 1) {
 812                         s = _("One error detected");
 813                         t = _("You should try to fix it.");
 814                 } else {
 815                         s = tostr(num_errors);
 816                         s += _(" errors detected.");
 817                         t = _("You should try to fix them.");
 818                 }
 819                 string head;
 820                 split(command, head, ' ');
 821                 WriteAlert(_("There were errors during running of ") + head,
 822                            s, t);
 823                 return false;
 824         } else if (result & LaTeX::NO_OUTPUT) {
 825                 string const s = _("The operation resulted in");
 826                 string const t = _("an empty file.");
 827                 WriteAlert(_("Resulting file is empty"), s, t);
 828                 return false;
 829         }
 830         return true;
 831 }
 832
 833
 834 bool Converters::runLaTeX(Buffer const * buffer, string const & command)
 835 {
 836         if (!buffer)
 837                 return false;
 838
 839         BufferView * bv = buffer->getUser();
 840         string name = buffer->getLatexName();
 841         bool need_redraw = false;
 842
 843         if (bv) {
 844                 bv->owner()->prohibitInput();
 845                 bv->owner()->message(_("Running LaTeX..."));
 846                 // Remove all error insets
 847                 need_redraw = bv->removeAutoInsets();
 848         }
 849
 850
 851         // do the LaTex run(s)
 852         TeXErrors terr;
 853         LaTeX latex(command, name, buffer->filepath);
 854         int result = latex.run(terr,
 855                                bv ? bv->owner()->getLyXFunc() : 0);
 856
 857
 858         if (bv) {
 859                 if ((result & LaTeX::ERRORS)) {
 860                         // Insert all errors as errors boxes
 861                         bv->insertErrors(terr);
 862                         need_redraw = true;
 863                 }
 864
 865                 // if we removed error insets before we ran LaTeX or if we inserted
 866                 // error insets after we ran LaTeX this must be run:
 867                 if (need_redraw) {
 868                         bv->redraw();
 869                         bv->fitCursor();
 870                 }
 871         }
 872
 873         // check return value from latex.run().
 874         if ((result & LaTeX::NO_LOGFILE)) {
 875                 WriteAlert(_("LaTeX did not work!"),
 876                            _("Missing log file:"), name);
 877         } else if ((result & LaTeX::ERRORS)) {
 878                 int num_errors = latex.getNumErrors();
 879                 string s;
 880                 string t;
 881                 if (num_errors == 1) {
 882                         s = _("One error detected");
 883                         t = _("You should try to fix it.");
 884                 } else {
 885                         s = tostr(num_errors);
 886                         s += _(" errors detected.");
 887                         t = _("You should try to fix them.");
 888                 }
 889                 WriteAlert(_("There were errors during the LaTeX run."),
 890                            s, t);
 891         }  else if (result & LaTeX::NO_OUTPUT) {
 892                 string const s = _("The operation resulted in");
 893                 string const t = _("an empty file.");
 894                 WriteAlert(_("Resulting file is empty"), s, t);
 895         }
 896
 897         if (bv)
 898                 bv->owner()->allowInput();
 899
 900         int const ERROR_MASK =
 901                         LaTeX::NO_LOGFILE |
 902                         LaTeX::ERRORS |
 903                         LaTeX::NO_OUTPUT;
 904
 905         return (result & ERROR_MASK) == 0;
 906
 907 }
 908
 909
 910 string const Converters::papersize(Buffer const * buffer)
 911 {
 912         char real_papersize = buffer->params.papersize;
 913         if (real_papersize == BufferParams::PAPER_DEFAULT)
 914                 real_papersize = lyxrc.default_papersize;
 915
 916         switch (real_papersize) {
 917         case BufferParams::PAPER_A3PAPER:
 918                 return "a3";
 919         case BufferParams::PAPER_A4PAPER:
 920                 return "a4";
 921         case BufferParams::PAPER_A5PAPER:
 922                 return "a5";
 923         case BufferParams::PAPER_B5PAPER:
 924                 return "b5";
 925         case BufferParams::PAPER_EXECUTIVEPAPER:
 926                 return "foolscap";
 927         case BufferParams::PAPER_LEGALPAPER:
 928                 return "legal";
 929         case BufferParams::PAPER_USLETTER:
 930         default:
 931                 return "letter";
 932         }
 933 }
 934
 935
 936 string const Converters::dvips_options(Buffer const * buffer)
 937 {
 938         string result;
 939         if (!buffer)
 940                 return result;
 941
 942         if (buffer->params.use_geometry
 943             && buffer->params.papersize2 == BufferParams::VM_PAPER_CUSTOM
 944             && !lyxrc.print_paper_dimension_flag.empty()
 945             && !buffer->params.paperwidth.empty()
 946             && !buffer->params.paperheight.empty()) {
 947                 // using a custom papersize
 948                 result = lyxrc.print_paper_dimension_flag;
 949                 result += ' ' + buffer->params.paperwidth;
 950                 result += ',' + buffer->params.paperheight;
 951         } else {
 952                 string const paper_option = papersize(buffer);
 953                 if (paper_option != "letter" ||
 954                     buffer->params.orientation != BufferParams::ORIENTATION_LANDSCAPE) {
 955                         // dvips won't accept -t letter -t landscape.  In all other
 956                         // cases, include the paper size explicitly.
 957                         result = lyxrc.print_paper_flag;
 958                         result += ' ' + paper_option;
 959                 }
 960         }
 961         if (buffer->params.orientation == BufferParams::ORIENTATION_LANDSCAPE &&
 962             buffer->params.papersize2 != BufferParams::VM_PAPER_CUSTOM)
 963                 result += ' ' + lyxrc.print_landscape_flag;
 964         return result;
 965 }
 966
 967
 968 string const Converters::dvipdfm_options(Buffer const * buffer)
 969 {
 970         string result;
 971         if (!buffer)
 972                 return result;
 973
 974         if (buffer->params.papersize2 != BufferParams::VM_PAPER_CUSTOM) {
 975                 string const paper_size = papersize(buffer);
 976                 if (paper_size != "b5" && paper_size != "foolscap")
 977                         result = "-p "+ paper_size;
 978
 979                 if (buffer->params.orientation == BufferParams::ORIENTATION_LANDSCAPE)
 980                         result += " -l";
 981         }
 982
 983         return result;
 984 }
 985
 986
 987 vector<Converters::Vertex> Converters::vertices_;
 988
 989
 990 /// The global instance
 991 Formats formats;
 992 Converters converters;
 993
 994 // The global copy after reading lyxrc.defaults
 995 Formats system_formats;
 996 Converters system_converters;