src/tex2lyx/table.cpp

   1 /**
   2  * \file table.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author André Pönitz
   7  * \author Jean-Marc Lasgouttes
   8  * \author Georg Baum
   9  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 // {[(
  14
  15 #include <config.h>
  16
  17 #include "tex2lyx.h"
  18
  19 #include "Preamble.h"
  20
  21 #include "support/lassert.h"
  22 #include "support/convert.h"
  23 #include "support/lstrings.h"
  24
  25 #include <algorithm>
  26 #include <iostream>
  27 #include <sstream>
  28 #include <vector>
  29 #include <map>
  30
  31 using namespace std;
  32
  33 namespace lyx {
  34
  35
  36 namespace {
  37
  38 class ColInfo {
  39 public:
  40         ColInfo() : align('n'), valign('n'), rightlines(0), leftlines(0) {}
  41         /// column alignment
  42         char align;
  43         /// vertical alignment
  44         char valign;
  45         /// column width
  46         string width;
  47         /// special column alignment
  48         string special;
  49         /// number of lines on the right
  50         int rightlines;
  51         /// number of lines on the left
  52         int leftlines;
  53 };
  54
  55
  56 /// row type for longtables
  57 enum LTRowType
  58 {
  59         /// normal row
  60         LT_NORMAL,
  61         /// part of head
  62         LT_HEAD,
  63         /// part of head on first page
  64         LT_FIRSTHEAD,
  65         /// part of foot
  66         LT_FOOT,
  67         /// part of foot on last page
  68         LT_LASTFOOT
  69 };
  70
  71
  72 class RowInfo {
  73 public:
  74         RowInfo() : topline(false), bottomline(false), type(LT_NORMAL),
  75                     caption(false), newpage(false) {}
  76         /// Does this row have any special setting?
  77         bool special() const
  78         {
  79                 return topline || bottomline || !top_space.empty() ||
  80                         !bottom_space.empty() || !interline_space.empty() ||
  81                         type != LT_NORMAL || caption || newpage;
  82         }
  83         /// horizontal line above
  84         bool topline;
  85         /// horizontal line below
  86         bool bottomline;
  87         /// Extra space between the top line and this row
  88         string top_space;
  89         /// Extra space between this row and the bottom line
  90         string bottom_space;
  91         /// Extra space between the bottom line and the next top line
  92         string interline_space;
  93         /// These are for longtabulars only
  94         /// row type (head, foot, firsthead etc.)
  95         LTRowType type;
  96         /// row for a caption
  97         bool caption;
  98         /// row for a newpage
  99         bool newpage;
 100 };
 101
 102
 103 /// the numeric values are part of the file format!
 104 enum Multi {
 105         /// A normal cell
 106         CELL_NORMAL = 0,
 107         /// A multicolumn cell. The number of columns is <tt>1 + number
 108         /// of CELL_PART_OF_MULTICOLUMN cells</tt> that follow directly
 109         CELL_BEGIN_OF_MULTICOLUMN,
 110         /// This is a dummy cell (part of a multicolumn cell)
 111         CELL_PART_OF_MULTICOLUMN,
 112         ///
 113         CELL_BEGIN_OF_MULTIROW,
 114         ///
 115         CELL_PART_OF_MULTIROW
 116 };
 117
 118
 119 class CellInfo {
 120 public:
 121         CellInfo() : multi(CELL_NORMAL), align('n'), valign('n'),
 122                      leftlines(0), rightlines(0), topline(false),
 123                      bottomline(false), rotate(0), mrxnum(0) {}
 124         /// cell content
 125         string content;
 126         /// multicolumn flag
 127         Multi multi;
 128         /// cell alignment
 129         char align;
 130         /// vertical cell alignment
 131         char valign;
 132         /// number of lines on the left
 133         int leftlines;
 134         /// number of lines on the right
 135         int rightlines;
 136         /// do we have a line above?
 137         bool topline;
 138         /// do we have a line below?
 139         bool bottomline;
 140         /// how is the cell rotated?
 141         int rotate;
 142         /// width for multicolumn cells
 143         string width;
 144         /// special formatting for multicolumn cells
 145         string special;
 146         /// multirow offset
 147         string mroffset;
 148         /// number of further multirows
 149         int mrxnum;
 150 };
 151
 152
 153 class ltType {
 154 public:
 155         // constructor
 156         ltType() : set(false), topDL(false), bottomDL(false), empty(false) {}
 157         // we have this header type (is set in the getLT... functions)
 158         bool set;
 159         // double borders on top
 160         bool topDL;
 161         // double borders on bottom
 162         bool bottomDL;
 163         // used for FirstHeader & LastFooter and if this is true
 164         // all the rows marked as FirstHeader or LastFooter are
 165         // ignored in the output and it is set to be empty!
 166         bool empty;
 167 };
 168
 169
 170 /// translate a horizontal alignment (as stored in ColInfo and CellInfo) to LyX
 171 inline char const * verbose_align(char c)
 172 {
 173         switch (c) {
 174         case 'c':
 175                 return "center";
 176         case 'r':
 177                 return "right";
 178         case 'l':
 179                 return "left";
 180         default:
 181                 return "none";
 182         }
 183 }
 184
 185
 186 /// translate a vertical alignment (as stored in ColInfo and CellInfo) to LyX
 187 inline char const * verbose_valign(char c)
 188 {
 189         // The default value for no special alignment is "top".
 190         switch (c) {
 191         case 'm':
 192                 return "middle";
 193         case 'b':
 194                 return "bottom";
 195         case 'p':
 196         default:
 197                 return "top";
 198         }
 199 }
 200
 201
 202 // stripped down from tabluar.C. We use it currently only for bools and
 203 // strings
 204 string const write_attribute(string const & name, bool const & b)
 205 {
 206         // we write only true attribute values so we remove a bit of the
 207         // file format bloat for tabulars.
 208         return b ? ' ' + name + "=\"true\"" : string();
 209 }
 210
 211
 212 string const write_attribute(string const & name, string const & s)
 213 {
 214         return s.empty() ? string() : ' ' + name + "=\"" + s + '"';
 215 }
 216
 217
 218 string const write_attribute(string const & name, int const & i)
 219 {
 220         // we write only true attribute values so we remove a bit of the
 221         // file format bloat for tabulars.
 222         return i ? write_attribute(name, convert<string>(i)) : string();
 223 }
 224
 225
 226 /*! rather brutish way to code table structure in a string:
 227
 228 \verbatim
 229   \begin{tabular}{ccc}
 230     1 & 2 & 3\\ \hline
 231     \multicolumn{2}{c}{4} & 5 //
 232     6 & 7 \\
 233     8 \endhead
 234   \end{tabular}
 235 \endverbatim
 236
 237  gets "translated" to:
 238
 239 \verbatim
 240          HLINE 1                     TAB 2 TAB 3 HLINE          HLINE LINE
 241   \hline HLINE \multicolumn{2}{c}{4} TAB 5       HLINE          HLINE LINE
 242          HLINE 6                     TAB 7       HLINE          HLINE LINE
 243          HLINE 8                                 HLINE \endhead HLINE LINE
 244 \endverbatim
 245  */
 246
 247 char const TAB   = '\001';
 248 char const LINE  = '\002';
 249 char const HLINE = '\004';
 250
 251
 252 /*!
 253  * Move the information in leftlines, rightlines, align and valign to the
 254  * special field. This is necessary if the special field is not empty,
 255  * because LyX ignores leftlines > 1, rightlines > 1, align and valign in
 256  * this case.
 257  */
 258 void ci2special(ColInfo & ci)
 259 {
 260         if (ci.width.empty() && ci.align == 'n')
 261                 // The alignment setting is already in special, since
 262                 // handle_colalign() never stores ci with these settings
 263                 // and ensures that leftlines == 0 and rightlines == 0 in
 264                 // this case.
 265                 return;
 266
 267         if (!ci.width.empty()) {
 268                 switch (ci.align) {
 269                 case 'l':
 270                         ci.special += ">{\\raggedright}";
 271                         break;
 272                 case 'r':
 273                         ci.special += ">{\\raggedleft}";
 274                         break;
 275                 case 'c':
 276                         ci.special += ">{\\centering}";
 277                         break;
 278                 }
 279                 if (ci.valign == 'n')
 280                         ci.special += 'p';
 281                 else
 282                         ci.special += ci.valign;
 283                 ci.special += '{' + ci.width + '}';
 284                 ci.width.erase();
 285         } else
 286                 ci.special += ci.align;
 287
 288         // LyX can only have one left and one right line.
 289         for (int i = 1; i < ci.leftlines; ++i)
 290                 ci.special.insert(0, "|");
 291         for (int i = 1; i < ci.rightlines; ++i)
 292                 ci.special += '|';
 293         ci.leftlines = min(ci.leftlines, 1);
 294         ci.rightlines = min(ci.rightlines, 1);
 295         ci.align = 'n';
 296         ci.valign = 'n';
 297 }
 298
 299
 300 /*!
 301  * Handle column specifications for tabulars and multicolumns.
 302  * The next token of the parser \p p must be an opening brace, and we read
 303  * everything until the matching closing brace.
 304  * The resulting column specifications are filled into \p colinfo. This is
 305  * in an intermediate form. fix_colalign() makes it suitable for LyX output.
 306  */
 307 void handle_colalign(Parser & p, vector<ColInfo> & colinfo,
 308                      ColInfo const & start)
 309 {
 310         if (p.get_token().cat() != catBegin)
 311                 cerr << "Wrong syntax for table column alignment.\n"
 312                         "Expected '{', got '" << p.curr_token().asInput()
 313                      << "'.\n";
 314
 315         ColInfo next = start;
 316         for (Token t = p.get_token(); p.good() && t.cat() != catEnd;
 317              t = p.get_token()) {
 318 #ifdef FILEDEBUG
 319                 cerr << "t: " << t << "  c: '" << t.character() << "'\n";
 320 #endif
 321
 322                 // We cannot handle comments here
 323                 if (t.cat() == catComment) {
 324                         if (t.cs().empty()) {
 325                                 // "%\n" combination
 326                                 p.skip_spaces();
 327                         } else
 328                                 cerr << "Ignoring comment: " << t.asInput();
 329                         continue;
 330                 }
 331
 332                 switch (t.character()) {
 333                         case ' ':
 334                                 // whitespace, ignore.
 335                                 break;
 336                         case 'c':
 337                         case 'l':
 338                         case 'r':
 339                                 // new column, horizontal aligned
 340                                 next.align = t.character();
 341                                 if (!next.special.empty())
 342                                         ci2special(next);
 343                                 colinfo.push_back(next);
 344                                 next = ColInfo();
 345                                 break;
 346                         case 'p':
 347                         case 'b':
 348                         case 'm':
 349                                 // new column, vertical aligned box
 350                                 next.valign = t.character();
 351                                 next.width = p.verbatim_item();
 352                                 if (!next.special.empty())
 353                                         ci2special(next);
 354                                 colinfo.push_back(next);
 355                                 next = ColInfo();
 356                                 break;
 357                         case '|':
 358                                 // vertical rule
 359                                 if (colinfo.empty()) {
 360                                         if (next.special.empty())
 361                                                 ++next.leftlines;
 362                                         else
 363                                                 next.special += '|';
 364                                 } else if (colinfo.back().special.empty())
 365                                         ++colinfo.back().rightlines;
 366                                 else if (next.special.empty())
 367                                         ++next.leftlines;
 368                                 else
 369                                         colinfo.back().special += '|';
 370                                 break;
 371                         case '>': {
 372                                 // text before the next column
 373                                 string const s = trimSpaceAndEol(p.verbatim_item());
 374                                 if (next.special.empty() &&
 375                                     next.align == 'n') {
 376                                         // Maybe this can be converted to a
 377                                         // horizontal alignment setting for
 378                                         // fixed width columns
 379                                         if (s == "\\raggedleft")
 380                                                 next.align = 'r';
 381                                         else if (s == "\\raggedright")
 382                                                 next.align = 'l';
 383                                         else if (s == "\\centering")
 384                                                 next.align = 'c';
 385                                         else
 386                                                 next.special = ">{" + s + '}';
 387                                 } else
 388                                         next.special += ">{" + s + '}';
 389                                 break;
 390                         }
 391                         case '<': {
 392                                 // text after the last column
 393                                 string const s = trimSpaceAndEol(p.verbatim_item());
 394                                 if (colinfo.empty())
 395                                         // This is not possible in LaTeX.
 396                                         cerr << "Ignoring separator '<{"
 397                                              << s << "}'." << endl;
 398                                 else {
 399                                         ColInfo & ci = colinfo.back();
 400                                         ci2special(ci);
 401                                         ci.special += "<{" + s + '}';
 402                                 }
 403                                 break;
 404                         }
 405                         case '*': {
 406                                 if (p.next_token().character() != '{')
 407                                         continue;
 408                                 // *{n}{arg} means 'n' columns of type 'arg'
 409                                 string const num = p.verbatim_item();
 410                                 string const arg = p.verbatim_item();
 411                                 size_t const n = convert<unsigned int>(num);
 412                                 if (!arg.empty() && n > 0) {
 413                                         string s("{");
 414                                         for (size_t i = 0; i < n; ++i)
 415                                                 s += arg;
 416                                         s += '}';
 417                                         Parser p2(s);
 418                                         handle_colalign(p2, colinfo, next);
 419                                         next = ColInfo();
 420                                 } else {
 421                                         cerr << "Ignoring column specification"
 422                                                 " '*{" << num << "}{"
 423                                              << arg << "}'." << endl;
 424                                 }
 425                                 break;
 426                         }
 427                         case '@':
 428                                 // text instead of the column spacing
 429                         case '!':
 430                                 // text in addition to the column spacing
 431                                 next.special += t.character();
 432                                 next.special += '{' + p.verbatim_item() + '}';
 433                                 break;
 434                         default: {
 435                                 // try user defined column types
 436                                 // unknown column types (nargs == -1) are
 437                                 // assumed to consume no arguments
 438                                 ci2special(next);
 439                                 next.special += t.character();
 440                                 int const nargs =
 441                                         preamble.getSpecialTableColumnArguments(t.character());
 442                                 for (int i = 0; i < nargs; ++i)
 443                                         next.special += '{' +
 444                                                 p.verbatim_item() + '}';
 445                                 colinfo.push_back(next);
 446                                 next = ColInfo();
 447                                 break;
 448                         }
 449                         }
 450         }
 451
 452         // Maybe we have some column separators that need to be added to the
 453         // last column?
 454         ci2special(next);
 455         if (!next.special.empty()) {
 456                 ColInfo & ci = colinfo.back();
 457                 ci2special(ci);
 458                 ci.special += next.special;
 459                 next.special.erase();
 460         }
 461 }
 462
 463
 464 /*!
 465  * Move the left and right lines and alignment settings of the column \p ci
 466  * to the special field if necessary.
 467  */
 468 void fix_colalign(ColInfo & ci)
 469 {
 470         if (ci.leftlines > 1 || ci.rightlines > 1)
 471                 ci2special(ci);
 472 }
 473
 474
 475 /*!
 476  * LyX can't handle more than one vertical line at the left or right side
 477  * of a column.
 478  * This function moves the left and right lines and alignment settings of all
 479  * columns in \p colinfo to the special field if necessary.
 480  */
 481 void fix_colalign(vector<ColInfo> & colinfo)
 482 {
 483         // Try to move extra leftlines to the previous column.
 484         // We do this only if both special fields are empty, otherwise we
 485         // can't tell wether the result will be the same.
 486         for (size_t col = 0; col < colinfo.size(); ++col) {
 487                 if (colinfo[col].leftlines > 1 &&
 488                     colinfo[col].special.empty() && col > 0 &&
 489                     colinfo[col - 1].rightlines == 0 &&
 490                     colinfo[col - 1].special.empty()) {
 491                         ++colinfo[col - 1].rightlines;
 492                         --colinfo[col].leftlines;
 493                 }
 494         }
 495         // Try to move extra rightlines to the next column
 496         for (size_t col = 0; col < colinfo.size(); ++col) {
 497                 if (colinfo[col].rightlines > 1 &&
 498                     colinfo[col].special.empty() &&
 499                     col < colinfo.size() - 1 &&
 500                     colinfo[col + 1].leftlines == 0 &&
 501                     colinfo[col + 1].special.empty()) {
 502                         ++colinfo[col + 1].leftlines;
 503                         --colinfo[col].rightlines;
 504                 }
 505         }
 506         // Move the lines and alignment settings to the special field if
 507         // necessary
 508         for (size_t col = 0; col < colinfo.size(); ++col)
 509                 fix_colalign(colinfo[col]);
 510 }
 511
 512
 513 /*!
 514  * Parse hlines and similar stuff.
 515  * \returns wether the token \p t was parsed
 516  */
 517 bool parse_hlines(Parser & p, Token const & t, string & hlines,
 518                   bool is_long_tabular)
 519 {
 520         LASSERT(t.cat() == catEscape, return false);
 521
 522         if (t.cs() == "hline" || t.cs() == "toprule" || t.cs() == "midrule" ||
 523             t.cs() == "bottomrule")
 524                 hlines += '\\' + t.cs();
 525
 526         else if (t.cs() == "cline")
 527                 hlines += "\\cline{" + p.verbatim_item() + '}';
 528
 529         else if (t.cs() == "cmidrule") {
 530                 // We cannot handle the \cmidrule(l){3-4} form
 531                 p.pushPosition();
 532                 p.skip_spaces(true);
 533                 bool const hasParentheses(p.getFullArg('(', ')').first);
 534                 p.popPosition();
 535                 if (hasParentheses)
 536                         return false;
 537                 hlines += "\\cmidrule{" + p.verbatim_item() + '}';
 538         }
 539
 540         else if (t.cs() == "addlinespace") {
 541                 p.pushPosition();
 542                 p.skip_spaces(true);
 543                 bool const hasArgument(p.getFullArg('{', '}').first);
 544                 p.popPosition();
 545                 if (hasArgument)
 546                         hlines += "\\addlinespace{" + p.verbatim_item() + '}';
 547                 else
 548                         hlines += "\\addlinespace";
 549         }
 550
 551         else if (is_long_tabular && t.cs() == "newpage")
 552                 hlines += "\\newpage";
 553
 554         else
 555                 return false;
 556
 557         return true;
 558 }
 559
 560
 561 /// Position in a row
 562 enum RowPosition {
 563         /// At the very beginning, before the first token
 564         ROW_START,
 565         /// After the first token and before any column token
 566         IN_HLINES_START,
 567         /// After the first column token. Comments and whitespace are only
 568         /// treated as tokens in this position
 569         IN_COLUMNS,
 570         /// After the first non-column token at the end
 571         IN_HLINES_END
 572 };
 573
 574
 575 /*!
 576  * Parse table structure.
 577  * We parse tables in a two-pass process: This function extracts the table
 578  * structure (rows, columns, hlines etc.), but does not change the cell
 579  * content. The cell content is parsed in a second step in handle_tabular().
 580  */
 581 void parse_table(Parser & p, ostream & os, bool is_long_tabular,
 582                  RowPosition & pos, unsigned flags)
 583 {
 584         // table structure commands such as \hline
 585         string hlines;
 586
 587         // comments that occur at places where we can't handle them
 588         string comments;
 589
 590         while (p.good()) {
 591                 Token const & t = p.get_token();
 592
 593 #ifdef FILEDEBUG
 594                 debugToken(cerr, t, flags);
 595 #endif
 596
 597                 // comments and whitespace in hlines
 598                 switch (pos) {
 599                 case ROW_START:
 600                 case IN_HLINES_START:
 601                 case IN_HLINES_END:
 602                         if (t.cat() == catComment) {
 603                                 if (t.cs().empty())
 604                                         // line continuation
 605                                         p.skip_spaces();
 606                                 else
 607                                         // We can't handle comments here,
 608                                         // store them for later use
 609                                         comments += t.asInput();
 610                                 continue;
 611                         } else if (t.cat() == catSpace ||
 612                                    t.cat() == catNewline) {
 613                                 // whitespace is irrelevant here, we
 614                                 // need to recognize hline stuff
 615                                 p.skip_spaces();
 616                                 continue;
 617                         }
 618                         break;
 619                 case IN_COLUMNS:
 620                         break;
 621                 }
 622
 623                 // We need to handle structure stuff first in order to
 624                 // determine wether we need to output a HLINE separator
 625                 // before the row or not.
 626                 if (t.cat() == catEscape) {
 627                         if (parse_hlines(p, t, hlines, is_long_tabular)) {
 628                                 switch (pos) {
 629                                 case ROW_START:
 630                                         pos = IN_HLINES_START;
 631                                         break;
 632                                 case IN_COLUMNS:
 633                                         pos = IN_HLINES_END;
 634                                         break;
 635                                 case IN_HLINES_START:
 636                                 case IN_HLINES_END:
 637                                         break;
 638                                 }
 639                                 continue;
 640                         }
 641
 642                         else if (t.cs() == "tabularnewline" ||
 643                                  t.cs() == "\\" ||
 644                                  t.cs() == "cr") {
 645                                 if (t.cs() == "cr")
 646                                         cerr << "Warning: Converting TeX "
 647                                                 "'\\cr' to LaTeX '\\\\'."
 648                                              << endl;
 649                                 // stuff before the line break
 650                                 os << comments << HLINE << hlines << HLINE
 651                                    << LINE;
 652                                 //cerr << "hlines: " << hlines << endl;
 653                                 hlines.erase();
 654                                 comments.erase();
 655                                 pos = ROW_START;
 656                                 continue;
 657                         }
 658
 659                         else if (is_long_tabular &&
 660                                  (t.cs() == "endhead" ||
 661                                   t.cs() == "endfirsthead" ||
 662                                   t.cs() == "endfoot" ||
 663                                   t.cs() == "endlastfoot")) {
 664                                 hlines += t.asInput();
 665                                 switch (pos) {
 666                                 case IN_COLUMNS:
 667                                 case IN_HLINES_END:
 668                                         // these commands are implicit line
 669                                         // breaks
 670                                         os << comments << HLINE << hlines
 671                                            << HLINE << LINE;
 672                                         hlines.erase();
 673                                         comments.erase();
 674                                         pos = ROW_START;
 675                                         break;
 676                                 case ROW_START:
 677                                         pos = IN_HLINES_START;
 678                                         break;
 679                                 case IN_HLINES_START:
 680                                         break;
 681                                 }
 682                                 continue;
 683                         }
 684                 }
 685
 686                 // We need a HLINE separator if we either have no hline
 687                 // stuff at all and are just starting a row or if we just
 688                 // got the first non-hline token.
 689                 switch (pos) {
 690                 case ROW_START:
 691                         // no hline tokens exist, first token at row start
 692                 case IN_HLINES_START:
 693                         // hline tokens exist, first non-hline token at row
 694                         // start
 695                         os << hlines << HLINE << comments;
 696                         hlines.erase();
 697                         comments.erase();
 698                         pos = IN_COLUMNS;
 699                         break;
 700                 case IN_HLINES_END:
 701                         // Oops, there is still cell content or unsupported
 702                         // booktabs commands after hline stuff. The latter are
 703                         // moved to the cell, and the first does not work in
 704                         // LaTeX, so we ignore the hlines.
 705                         os << comments;
 706                         comments.erase();
 707                         if (support::contains(hlines, "\\hline") ||
 708                             support::contains(hlines, "\\cline") ||
 709                             support::contains(hlines, "\\newpage"))
 710                                 cerr << "Ignoring '" << hlines
 711                                      << "' in a cell" << endl;
 712                         else
 713                                 os << hlines;
 714                         hlines.erase();
 715                         pos = IN_COLUMNS;
 716                         break;
 717                 case IN_COLUMNS:
 718                         break;
 719                 }
 720
 721                 // If we come here we have normal cell content
 722                 //
 723                 // cat codes
 724                 //
 725                 if (t.cat() == catMath) {
 726                         // we are inside some text mode thingy, so opening new math is allowed
 727                         Token const & n = p.get_token();
 728                         if (n.cat() == catMath) {
 729                                 // TeX's $$...$$ syntax for displayed math
 730                                 os << "\\[";
 731                                 // This does only work because parse_math outputs TeX
 732                                 parse_math(p, os, FLAG_SIMPLE, MATH_MODE);
 733                                 os << "\\]";
 734                                 p.get_token(); // skip the second '$' token
 735                         } else {
 736                                 // simple $...$  stuff
 737                                 p.putback();
 738                                 os << '$';
 739                                 // This does only work because parse_math outputs TeX
 740                                 parse_math(p, os, FLAG_SIMPLE, MATH_MODE);
 741                                 os << '$';
 742                         }
 743                 }
 744
 745                 else if (t.cat() == catSpace
 746                          || t.cat() == catNewline
 747                          || t.cat() == catLetter
 748                          || t.cat() == catSuper
 749                          || t.cat() == catSub
 750                          || t.cat() == catOther
 751                          || t.cat() == catActive
 752                          || t.cat() == catParameter)
 753                         os << t.cs();
 754
 755                 else if (t.cat() == catBegin) {
 756                         os << '{';
 757                         parse_table(p, os, is_long_tabular, pos,
 758                                     FLAG_BRACE_LAST);
 759                         os << '}';
 760                 }
 761
 762                 else if (t.cat() == catEnd) {
 763                         if (flags & FLAG_BRACE_LAST)
 764                                 return;
 765                         cerr << "unexpected '}'\n";
 766                 }
 767
 768                 else if (t.cat() == catAlign) {
 769                         os << TAB;
 770                         p.skip_spaces();
 771                 }
 772
 773                 else if (t.cat() == catComment)
 774                         os << t.asInput();
 775
 776                 else if (t.cs() == "(") {
 777                         os << "\\(";
 778                         // This does only work because parse_math outputs TeX
 779                         parse_math(p, os, FLAG_SIMPLE2, MATH_MODE);
 780                         os << "\\)";
 781                 }
 782
 783                 else if (t.cs() == "[") {
 784                         os << "\\[";
 785                         // This does only work because parse_math outputs TeX
 786                         parse_math(p, os, FLAG_EQUATION, MATH_MODE);
 787                         os << "\\]";
 788                 }
 789
 790                 else if (t.cs() == "begin") {
 791                         string const name = p.getArg('{', '}');
 792                         active_environments.push_back(name);
 793                         os << "\\begin{" << name << '}';
 794                         // treat the nested environment as a block, don't
 795                         // parse &, \\ etc, because they don't belong to our
 796                         // table if they appear.
 797                         os << p.ertEnvironment(name);
 798                         os << "\\end{" << name << '}';
 799                         active_environments.pop_back();
 800                 }
 801
 802                 else if (t.cs() == "end") {
 803                         if (flags & FLAG_END) {
 804                                 // eat environment name
 805                                 string const name = p.getArg('{', '}');
 806                                 if (name != active_environment())
 807                                         p.error("\\end{" + name + "} does not match \\begin{"
 808                                                 + active_environment() + "}");
 809                                 return;
 810                         }
 811                         p.error("found 'end' unexpectedly");
 812                 }
 813
 814                 else
 815                         os << t.asInput();
 816         }
 817
 818         // We can have comments if the last line is incomplete
 819         os << comments;
 820
 821         // We can have hline stuff if the last line is incomplete
 822         if (!hlines.empty()) {
 823                 // this does not work in LaTeX, so we ignore it
 824                 cerr << "Ignoring '" << hlines << "' at end of tabular"
 825                      << endl;
 826         }
 827 }
 828
 829
 830 void handle_hline_above(RowInfo & ri, vector<CellInfo> & ci)
 831 {
 832         ri.topline = true;
 833         for (size_t col = 0; col < ci.size(); ++col)
 834                 ci[col].topline = true;
 835 }
 836
 837
 838 void handle_hline_below(RowInfo & ri, vector<CellInfo> & ci)
 839 {
 840         ri.bottomline = true;
 841         for (size_t col = 0; col < ci.size(); ++col)
 842                 ci[col].bottomline = true;
 843 }
 844
 845
 846 } // anonymous namespace
 847
 848
 849 void handle_tabular(Parser & p, ostream & os, string const & name,
 850                     string const & tabularwidth, string const & halign,
 851                     Context & context)
 852 {
 853         bool const is_long_tabular(name == "longtable");
 854         bool booktabs = false;
 855         string tabularvalignment("middle");
 856         string posopts = p.getOpt();
 857         if (!posopts.empty()) {
 858                 // FIXME: Convert this to ERT
 859                 if (is_long_tabular)
 860                         cerr << "horizontal longtable positioning '"
 861                              << posopts << "' ignored\n";
 862                 else if (posopts == "[t]")
 863                         tabularvalignment = "top";
 864                 else if (posopts == "[b]")
 865                         tabularvalignment = "bottom";
 866                 else
 867                         cerr << "vertical tabular positioning '"
 868                              << posopts << "' ignored\n";
 869         }
 870
 871         vector<ColInfo> colinfo;
 872
 873         // handle column formatting
 874         handle_colalign(p, colinfo, ColInfo());
 875         fix_colalign(colinfo);
 876
 877         // first scan of cells
 878         // use table mode to keep it minimal-invasive
 879         // not exactly what's TeX doing...
 880         vector<string> lines;
 881         ostringstream ss;
 882         RowPosition rowpos = ROW_START;
 883         parse_table(p, ss, is_long_tabular, rowpos, FLAG_END);
 884         split(ss.str(), lines, LINE);
 885
 886         vector< vector<CellInfo> > cellinfo(lines.size());
 887         vector<RowInfo> rowinfo(lines.size());
 888         ltType endfirsthead;
 889         ltType endhead;
 890         ltType endfoot;
 891         ltType endlastfoot;
 892
 893         // split into rows
 894         //cerr << "// split into rows\n";
 895         for (size_t row = 0; row < rowinfo.size();) {
 896
 897                 // init row
 898                 cellinfo[row].resize(colinfo.size());
 899                 bool deletelastrow = false;
 900
 901                 // split row
 902                 vector<string> dummy;
 903                 //cerr << "\n########### LINE: " << lines[row] << "########\n";
 904                 split(lines[row], dummy, HLINE);
 905
 906                 // handle horizontal line fragments
 907                 // we do only expect this for a last line without '\\'
 908                 if (dummy.size() != 3) {
 909                         if ((dummy.size() != 1 && dummy.size() != 2) ||
 910                             row != rowinfo.size() - 1)
 911                                 cerr << "unexpected dummy size: " << dummy.size()
 912                                         << " content: " << lines[row] << "\n";
 913                         dummy.resize(3);
 914                 }
 915                 lines[row] = dummy[1];
 916
 917                 //cerr << "line: " << row << " above 0: " << dummy[0] << "\n";
 918                 //cerr << "line: " << row << " below 2: " << dummy[2] <<  "\n";
 919                 //cerr << "line: " << row << " cells 1: " << dummy[1] <<  "\n";
 920
 921                 for (int i = 0; i <= 2; i += 2) {
 922                         //cerr << "   reading from line string '" << dummy[i] << "'\n";
 923                         Parser p1(dummy[i]);
 924                         while (p1.good()) {
 925                                 Token t = p1.get_token();
 926                                 //cerr << "read token: " << t << "\n";
 927                                 if (t.cs() == "hline" || t.cs() == "toprule" ||
 928                                     t.cs() == "midrule" ||
 929                                     t.cs() == "bottomrule") {
 930                                         if (t.cs() != "hline")
 931                                                 booktabs = true;
 932                                         if (i == 0) {
 933                                                 if (rowinfo[row].topline) {
 934                                                         if (row > 0) // extra bottomline above
 935                                                                 handle_hline_below(rowinfo[row - 1], cellinfo[row - 1]);
 936                                                         else
 937                                                                 cerr << "dropping extra "
 938                                                                      << t.cs() << '\n';
 939                                                         //cerr << "below row: " << row-1 << endl;
 940                                                 } else {
 941                                                         handle_hline_above(rowinfo[row], cellinfo[row]);
 942                                                         //cerr << "above row: " << row << endl;
 943                                                 }
 944                                         } else {
 945                                                 //cerr << "below row: " << row << endl;
 946                                                 handle_hline_below(rowinfo[row], cellinfo[row]);
 947                                         }
 948                                 } else if (t.cs() == "cline" || t.cs() == "cmidrule") {
 949                                         if (t.cs() == "cmidrule")
 950                                                 booktabs = true;
 951                                         string arg = p1.verbatim_item();
 952                                         //cerr << "read " << t.cs() << " arg: '" << arg << "'\n";
 953                                         vector<string> cols;
 954                                         split(arg, cols, '-');
 955                                         cols.resize(2);
 956                                         size_t from = convert<unsigned int>(cols[0]);
 957                                         if (from == 0)
 958                                                 cerr << "Could not parse "
 959                                                      << t.cs() << " start column."
 960                                                      << endl;
 961                                         else
 962                                                 // 1 based index -> 0 based
 963                                                 --from;
 964                                         if (from >= colinfo.size()) {
 965                                                 cerr << t.cs() << " starts at "
 966                                                         "non existing column "
 967                                                      << (from + 1) << endl;
 968                                                 from = colinfo.size() - 1;
 969                                         }
 970                                         size_t to = convert<unsigned int>(cols[1]);
 971                                         if (to == 0)
 972                                                 cerr << "Could not parse "
 973                                                      << t.cs() << " end column."
 974                                                      << endl;
 975                                         else
 976                                                 // 1 based index -> 0 based
 977                                                 --to;
 978                                         if (to >= colinfo.size()) {
 979                                                 cerr << t.cs() << " ends at "
 980                                                         "non existing column "
 981                                                      << (to + 1) << endl;
 982                                                 to = colinfo.size() - 1;
 983                                         }
 984                                         for (size_t col = from; col <= to; ++col) {
 985                                                 //cerr << "row: " << row << " col: " << col << " i: " << i << endl;
 986                                                 if (i == 0) {
 987                                                         rowinfo[row].topline = true;
 988                                                         cellinfo[row][col].topline = true;
 989                                                 } else {
 990                                                         rowinfo[row].bottomline = true;
 991                                                         cellinfo[row][col].bottomline = true;
 992                                                 }
 993                                         }
 994                                 } else if (t.cs() == "addlinespace") {
 995                                         booktabs = true;
 996                                         string const opt = p.next_token().cat() == catBegin ?
 997                                                         p.verbatim_item() : string();
 998                                         if (i == 0) {
 999                                                 if (opt.empty())
1000                                                         rowinfo[row].top_space = "default";
1001                                                 else
1002                                                         rowinfo[row].top_space = translate_len(opt);
1003                                         } else if (rowinfo[row].bottomline) {
1004                                                 if (opt.empty())
1005                                                         rowinfo[row].bottom_space = "default";
1006                                                 else
1007                                                         rowinfo[row].bottom_space = translate_len(opt);
1008                                         } else {
1009                                                 if (opt.empty())
1010                                                         rowinfo[row].interline_space = "default";
1011                                                 else
1012                                                         rowinfo[row].interline_space = translate_len(opt);
1013                                         }
1014                                 } else if (t.cs() == "endhead") {
1015                                         if (i == 0)
1016                                                 endhead.empty = true;
1017                                         else
1018                                                 rowinfo[row].type = LT_HEAD;
1019                                         for (int r = row - 1; r >= 0; --r) {
1020                                                 if (rowinfo[r].type != LT_NORMAL)
1021                                                         break;
1022                                                 rowinfo[r].type = LT_HEAD;
1023                                                 endhead.empty = false;
1024                                         }
1025                                         endhead.set = true;
1026                                 } else if (t.cs() == "endfirsthead") {
1027                                         if (i == 0)
1028                                                 endfirsthead.empty = true;
1029                                         else
1030                                                 rowinfo[row].type = LT_FIRSTHEAD;
1031                                         for (int r = row - 1; r >= 0; --r) {
1032                                                 if (rowinfo[r].type != LT_NORMAL)
1033                                                         break;
1034                                                 rowinfo[r].type = LT_FIRSTHEAD;
1035                                                 endfirsthead.empty = false;
1036                                         }
1037                                         endfirsthead.set = true;
1038                                 } else if (t.cs() == "endfoot") {
1039                                         if (i == 0)
1040                                                 endfoot.empty = true;
1041                                         else
1042                                                 rowinfo[row].type = LT_FOOT;
1043                                         for (int r = row - 1; r >= 0; --r) {
1044                                                 if (rowinfo[r].type != LT_NORMAL)
1045                                                         break;
1046                                                 rowinfo[r].type = LT_FOOT;
1047                                                 endfoot.empty = false;
1048                                         }
1049                                         endfoot.set = true;
1050                                 } else if (t.cs() == "endlastfoot") {
1051                                         if (i == 0)
1052                                                 endlastfoot.empty = true;
1053                                         else
1054                                                 rowinfo[row].type = LT_LASTFOOT;
1055                                         for (int r = row - 1; r >= 0; --r) {
1056                                                 if (rowinfo[r].type != LT_NORMAL)
1057                                                         break;
1058                                                 rowinfo[r].type = LT_LASTFOOT;
1059                                                 endlastfoot.empty = false;
1060                                         }
1061                                         endlastfoot.set = true;
1062                                 } else if (t.cs() == "newpage") {
1063                                         if (i == 0) {
1064                                                 if (row > 0)
1065                                                         rowinfo[row - 1].newpage = true;
1066                                                 else
1067                                                         // This does not work in LaTeX
1068                                                         cerr << "Ignoring "
1069                                                                 "'\\newpage' "
1070                                                                 "before rows."
1071                                                              << endl;
1072                                         } else
1073                                                 rowinfo[row].newpage = true;
1074                                 } else {
1075                                         cerr << "unexpected line token: " << t << endl;
1076                                 }
1077                         }
1078                 }
1079
1080                 // LyX ends headers and footers always with \tabularnewline.
1081                 // This causes one additional row in the output.
1082                 // If the last row of a header/footer is empty, we can work
1083                 // around that by removing it.
1084                 if (row > 1) {
1085                         RowInfo test = rowinfo[row-1];
1086                         test.type = LT_NORMAL;
1087                         if (lines[row-1].empty() && !test.special()) {
1088                                 switch (rowinfo[row-1].type) {
1089                                 case LT_FIRSTHEAD:
1090                                         if (rowinfo[row].type != LT_FIRSTHEAD &&
1091                                             rowinfo[row-2].type == LT_FIRSTHEAD)
1092                                                 deletelastrow = true;
1093                                         break;
1094                                 case LT_HEAD:
1095                                         if (rowinfo[row].type != LT_HEAD &&
1096                                             rowinfo[row-2].type == LT_HEAD)
1097                                                 deletelastrow = true;
1098                                         break;
1099                                 case LT_FOOT:
1100                                         if (rowinfo[row].type != LT_FOOT &&
1101                                             rowinfo[row-2].type == LT_FOOT)
1102                                                 deletelastrow = true;
1103                                         break;
1104                                 case LT_LASTFOOT:
1105                                         if (rowinfo[row].type != LT_LASTFOOT &&
1106                                             rowinfo[row-2].type == LT_LASTFOOT)
1107                                                 deletelastrow = true;
1108                                         break;
1109                                 case LT_NORMAL:
1110                                         break;
1111                                 }
1112                         }
1113                 }
1114
1115                 if (deletelastrow) {
1116                         lines.erase(lines.begin() + (row - 1));
1117                         rowinfo.erase(rowinfo.begin() + (row - 1));
1118                         cellinfo.erase(cellinfo.begin() + (row - 1));
1119                         continue;
1120                 }
1121
1122                 // split into cells
1123                 vector<string> cells;
1124                 split(lines[row], cells, TAB);
1125                 for (size_t col = 0, cell = 0; cell < cells.size();
1126                      ++col, ++cell) {
1127                         //cerr << "cell content: '" << cells[cell] << "'\n";
1128                         if (col >= colinfo.size()) {
1129                                 // This does not work in LaTeX
1130                                 cerr << "Ignoring extra cell '"
1131                                      << cells[cell] << "'." << endl;
1132                                 continue;
1133                         }
1134                         Parser p(cells[cell]);
1135                         p.skip_spaces();
1136                         //cells[cell] << "'\n";
1137                         if (p.next_token().cs() == "multirow") {
1138                                 // We do not support the vpos arg yet.
1139                                 if (p.hasOpt()) {
1140                                         string const vpos = p.getArg('[', ']');
1141                                         p.skip_spaces(true);
1142                                         cerr << "Ignoring multirow's vpos arg '"
1143                                              << vpos << "'!" << endl;
1144                                 }
1145                                 // how many cells?
1146                                 p.get_token();
1147                                 size_t const ncells =
1148                                         convert<unsigned int>(p.verbatim_item());
1149                                 // We do not support the bigstrut arg yet.
1150                                 if (p.hasOpt()) {
1151                                         string const bs = p.getArg('[', ']');
1152                                         p.skip_spaces(true);
1153                                         cerr << "Ignoring multirow's bigstrut arg '"
1154                                              << bs << "'!" << endl;
1155                                 }
1156                                 // the width argument
1157                                 string const width = p.getArg('{', '}');
1158                                 // the vmove arg
1159                                 string vmove;
1160                                 if (p.hasOpt()) {
1161                                         vmove = p.getArg('[', ']');
1162                                         p.skip_spaces(true);
1163                                 }
1164
1165                                 if (width != "*")
1166                                         colinfo[col].width = width;
1167                                 if (!vmove.empty())
1168                                         cellinfo[row][col].mroffset = vmove;
1169                                 cellinfo[row][col].multi = CELL_BEGIN_OF_MULTIROW;
1170                                 cellinfo[row][col].leftlines  = colinfo[col].leftlines;
1171                                 cellinfo[row][col].rightlines = colinfo[col].rightlines;
1172                                 cellinfo[row][col].mrxnum = ncells - 1;
1173
1174                                 ostringstream os2;
1175                                 parse_text_in_inset(p, os2, FLAG_ITEM, false, context);
1176                                 if (!cellinfo[row][col].content.empty()) {
1177                                         // This may or may not work in LaTeX,
1178                                         // but it does not work in LyX.
1179                                         // FIXME: Handle it correctly!
1180                                         cerr << "Moving cell content '"
1181                                              << cells[cell]
1182                                              << "' into a multirow cell. "
1183                                                 "This will probably not work."
1184                                              << endl;
1185                                 }
1186                                 cellinfo[row][col].content += os2.str();
1187                         } else if (p.next_token().cs() == "multicolumn") {
1188                                 // how many cells?
1189                                 p.get_token();
1190                                 size_t const ncells =
1191                                         convert<unsigned int>(p.verbatim_item());
1192
1193                                 // special cell properties alignment
1194                                 vector<ColInfo> t;
1195                                 handle_colalign(p, t, ColInfo());
1196                                 p.skip_spaces(true);
1197                                 ColInfo & ci = t.front();
1198
1199                                 // The logic of LyX for multicolumn vertical
1200                                 // lines is too complicated to reproduce it
1201                                 // here (see LyXTabular::TeXCellPreamble()).
1202                                 // Therefore we simply put everything in the
1203                                 // special field.
1204                                 ci2special(ci);
1205
1206                                 cellinfo[row][col].multi      = CELL_BEGIN_OF_MULTICOLUMN;
1207                                 cellinfo[row][col].align      = ci.align;
1208                                 cellinfo[row][col].special    = ci.special;
1209                                 cellinfo[row][col].leftlines  = ci.leftlines;
1210                                 cellinfo[row][col].rightlines = ci.rightlines;
1211                                 ostringstream os;
1212                                 parse_text_in_inset(p, os, FLAG_ITEM, false, context);
1213                                 if (!cellinfo[row][col].content.empty()) {
1214                                         // This may or may not work in LaTeX,
1215                                         // but it does not work in LyX.
1216                                         // FIXME: Handle it correctly!
1217                                         cerr << "Moving cell content '"
1218                                              << cells[cell]
1219                                              << "' into a multicolumn cell. "
1220                                                 "This will probably not work."
1221                                              << endl;
1222                                 }
1223                                 cellinfo[row][col].content += os.str();
1224
1225                                 // add dummy cells for multicol
1226                                 for (size_t i = 0; i < ncells - 1; ++i) {
1227                                         ++col;
1228                                         if (col >= colinfo.size()) {
1229                                                 cerr << "The cell '"
1230                                                         << cells[cell]
1231                                                         << "' specifies "
1232                                                         << convert<string>(ncells)
1233                                                         << " columns while the table has only "
1234                                                         << convert<string>(colinfo.size())
1235                                                         << " columns!"
1236                                                         << " Therefore the surplus columns will be ignored."
1237                                                         << endl;
1238                                                 break;
1239                                         }
1240                                         cellinfo[row][col].multi = CELL_PART_OF_MULTICOLUMN;
1241                                         cellinfo[row][col].align = 'c';
1242                                 }
1243
1244                         } else if (col == 0 && colinfo.size() > 1 &&
1245                                    is_long_tabular &&
1246                                    p.next_token().cs() == "caption") {
1247                                 // longtable caption support in LyX is a hack:
1248                                 // Captions require a row of their own with
1249                                 // the caption flag set to true, having only
1250                                 // one multicolumn cell. The contents of that
1251                                 // cell must contain exactly one caption inset
1252                                 // and nothing else.
1253                                 // Fortunately, the caption flag is only needed
1254                                 // for tables with more than one column.
1255                                 rowinfo[row].caption = true;
1256                                 for (size_t c = 1; c < cells.size(); ++c) {
1257                                         if (!cells[c].empty()) {
1258                                                 cerr << "Moving cell content '"
1259                                                      << cells[c]
1260                                                      << "' into the caption cell. "
1261                                                         "This will probably not work."
1262                                                      << endl;
1263                                                 cells[0] += cells[c];
1264                                         }
1265                                 }
1266                                 cells.resize(1);
1267                                 cellinfo[row][col].align      = colinfo[col].align;
1268                                 cellinfo[row][col].multi      = CELL_BEGIN_OF_MULTICOLUMN;
1269                                 ostringstream os;
1270                                 parse_text_in_inset(p, os, FLAG_CELL, false, context);
1271                                 cellinfo[row][col].content += os.str();
1272                                 // add dummy multicolumn cells
1273                                 for (size_t c = 1; c < colinfo.size(); ++c)
1274                                         cellinfo[row][c].multi = CELL_PART_OF_MULTICOLUMN;
1275                         } else {
1276                                 bool turn = false;
1277                                 int rotate = 0;
1278                                 if (p.next_token().cs() == "begin") {
1279                                         p.pushPosition();
1280                                         p.get_token();
1281                                         string const env = p.getArg('{', '}');
1282                                         if (env == "sideways" || env == "turn") {
1283                                                 string angle = "90";
1284                                                 if (env == "turn") {
1285                                                         turn = true;
1286                                                         angle = p.getArg('{', '}');
1287                                                 }
1288                                                 active_environments.push_back(env);
1289                                                 p.ertEnvironment(env);
1290                                                 active_environments.pop_back();
1291                                                 p.skip_spaces();
1292                                                 if (!p.good() && support::isStrInt(angle))
1293                                                         rotate = convert<int>(angle);
1294                                         }
1295                                         p.popPosition();
1296                                 }
1297                                 cellinfo[row][col].leftlines  = colinfo[col].leftlines;
1298                                 cellinfo[row][col].rightlines = colinfo[col].rightlines;
1299                                 cellinfo[row][col].align      = colinfo[col].align;
1300                                 ostringstream os;
1301                                 if (rotate != 0) {
1302                                         cellinfo[row][col].rotate = rotate;
1303                                         p.get_token();
1304                                         active_environments.push_back(p.getArg('{', '}'));
1305                                         if (turn)
1306                                                 p.getArg('{', '}');
1307                                         parse_text_in_inset(p, os, FLAG_END, false, context);
1308                                         active_environments.pop_back();
1309                                         preamble.registerAutomaticallyLoadedPackage("rotating");
1310                                 } else {
1311                                         parse_text_in_inset(p, os, FLAG_CELL, false, context);
1312                                 }
1313                                 cellinfo[row][col].content += os.str();
1314                         }
1315                 }
1316
1317                 //cerr << "//  handle almost empty last row what we have\n";
1318                 // handle almost empty last row
1319                 if (row && lines[row].empty() && row + 1 == rowinfo.size()) {
1320                         //cerr << "remove empty last line\n";
1321                         if (rowinfo[row].topline)
1322                                 rowinfo[row - 1].bottomline = true;
1323                         for (size_t col = 0; col < colinfo.size(); ++col)
1324                                 if (cellinfo[row][col].topline)
1325                                         cellinfo[row - 1][col].bottomline = true;
1326                         rowinfo.pop_back();
1327                 }
1328
1329                 ++row;
1330         }
1331
1332         // Now we have the table structure and content in rowinfo, colinfo
1333         // and cellinfo.
1334         // Unfortunately LyX has some limitations that we need to work around.
1335
1336         // Some post work
1337         for (size_t row = 0; row < rowinfo.size(); ++row) {
1338                 for (size_t col = 0; col < cellinfo[row].size(); ++col) {
1339                         // Convert cells with special content to multicolumn cells
1340                         // (LyX ignores the special field for non-multicolumn cells).
1341                         if (cellinfo[row][col].multi == CELL_NORMAL &&
1342                             !cellinfo[row][col].special.empty())
1343                                 cellinfo[row][col].multi = CELL_BEGIN_OF_MULTICOLUMN;
1344                         // Add multirow dummy cells
1345                         if (row > 1 && (cellinfo[row - 1][col].multi == CELL_PART_OF_MULTIROW
1346                                         || cellinfo[row - 1][col].multi == CELL_BEGIN_OF_MULTIROW)
1347                                     && cellinfo[row - 1][col].mrxnum > 0) {
1348                                 // add dummy cells for multirow
1349                                 cellinfo[row][col].multi = CELL_PART_OF_MULTIROW;
1350                                 cellinfo[row][col].align = 'c';
1351                                 cellinfo[row][col].mrxnum = cellinfo[row - 1][col].mrxnum - 1;
1352                         }
1353                 }
1354         }
1355
1356         // Distribute lines from rows/columns to cells
1357         // The code was stolen from convert_tablines() in lyx2lyx/lyx_1_6.py.
1358         // Each standard cell inherits the settings of the corresponding
1359         // rowinfo/colinfo. This works because all cells with individual
1360         // settings were converted to multicolumn cells above.
1361         // Each multicolumn cell inherits the settings of the rowinfo/colinfo
1362         // corresponding to the first column of the multicolumn cell (default
1363         // of the multicol package). This works because the special field
1364         // overrides the line fields.
1365         for (size_t row = 0; row < rowinfo.size(); ++row) {
1366                 for (size_t col = 0; col < cellinfo[row].size(); ++col) {
1367                         if (cellinfo[row][col].multi == CELL_NORMAL) {
1368                                 cellinfo[row][col].topline = rowinfo[row].topline;
1369                                 cellinfo[row][col].bottomline = rowinfo[row].bottomline;
1370                                 cellinfo[row][col].leftlines = colinfo[col].leftlines;
1371                                 cellinfo[row][col].rightlines = colinfo[col].rightlines;
1372                         } else if (cellinfo[row][col].multi == CELL_BEGIN_OF_MULTICOLUMN) {
1373                                 size_t s = col + 1;
1374                                 while (s < cellinfo[row].size() &&
1375                                        cellinfo[row][s].multi == CELL_PART_OF_MULTICOLUMN)
1376                                         s++;
1377                                 if (s < cellinfo[row].size() &&
1378                                     cellinfo[row][s].multi != CELL_BEGIN_OF_MULTICOLUMN)
1379                                         cellinfo[row][col].rightlines = colinfo[col].rightlines;
1380                                 if (col > 0 && cellinfo[row][col-1].multi == CELL_NORMAL)
1381                                         cellinfo[row][col].leftlines = colinfo[col].leftlines;
1382                         } else if (cellinfo[row][col].multi == CELL_BEGIN_OF_MULTIROW) {
1383                                 size_t s = row + 1;
1384                                 while (s < rowinfo.size() &&
1385                                        cellinfo[s][col].multi == CELL_PART_OF_MULTIROW)
1386                                         s++;
1387                                 if (s < cellinfo[row].size() &&
1388                                     cellinfo[s][col].multi != CELL_BEGIN_OF_MULTIROW)
1389                                         cellinfo[row][col].bottomline = rowinfo[row].bottomline;
1390                                 if (row > 0 && cellinfo[row - 1][col].multi == CELL_NORMAL)
1391                                         cellinfo[row][col].topline = rowinfo[row].topline;
1392                         }
1393                 }
1394         }
1395
1396         if (booktabs)
1397                 preamble.registerAutomaticallyLoadedPackage("booktabs");
1398         if (is_long_tabular)
1399                 preamble.registerAutomaticallyLoadedPackage("longtable");
1400
1401         //cerr << "// output what we have\n";
1402         // output what we have
1403         string const rotate = "0";
1404         os << "\n<lyxtabular version=\"3\" rows=\"" << rowinfo.size()
1405            << "\" columns=\"" << colinfo.size() << "\">\n";
1406         os << "<features"
1407            << write_attribute("rotate", rotate)
1408            << write_attribute("booktabs", booktabs)
1409            << write_attribute("islongtable", is_long_tabular);
1410         if (is_long_tabular) {
1411                 os << write_attribute("firstHeadTopDL", endfirsthead.topDL)
1412                    << write_attribute("firstHeadBottomDL", endfirsthead.bottomDL)
1413                    << write_attribute("firstHeadEmpty", endfirsthead.empty)
1414                    << write_attribute("headTopDL", endhead.topDL)
1415                    << write_attribute("headBottomDL", endhead.bottomDL)
1416                    << write_attribute("footTopDL", endfoot.topDL)
1417                    << write_attribute("footBottomDL", endfoot.bottomDL)
1418                    << write_attribute("lastFootTopDL", endlastfoot.topDL)
1419                    << write_attribute("lastFootBottomDL", endlastfoot.bottomDL)
1420                    << write_attribute("lastFootEmpty", endlastfoot.empty);
1421                 if (!halign.empty())
1422                         os << write_attribute("longtabularalignment", halign);
1423         } else
1424                 os << write_attribute("tabularvalignment", tabularvalignment)
1425                    << write_attribute("tabularwidth", tabularwidth);
1426         os << ">\n";
1427
1428         //cerr << "// after header\n";
1429         for (size_t col = 0; col < colinfo.size(); ++col) {
1430                 os << "<column alignment=\""
1431                    << verbose_align(colinfo[col].align) << "\""
1432                    << " valignment=\""
1433                    << verbose_valign(colinfo[col].valign) << "\""
1434                    << write_attribute("width", translate_len(colinfo[col].width))
1435                    << write_attribute("special", colinfo[col].special)
1436                    << ">\n";
1437         }
1438         //cerr << "// after cols\n";
1439
1440         for (size_t row = 0; row < rowinfo.size(); ++row) {
1441                 os << "<row"
1442                    << write_attribute("topspace", rowinfo[row].top_space)
1443                    << write_attribute("bottomspace", rowinfo[row].bottom_space)
1444                    << write_attribute("interlinespace", rowinfo[row].interline_space)
1445                    << write_attribute("endhead",
1446                                       rowinfo[row].type == LT_HEAD)
1447                    << write_attribute("endfirsthead",
1448                                       rowinfo[row].type == LT_FIRSTHEAD)
1449                    << write_attribute("endfoot",
1450                                       rowinfo[row].type == LT_FOOT)
1451                    << write_attribute("endlastfoot",
1452                                       rowinfo[row].type == LT_LASTFOOT)
1453                    << write_attribute("newpage", rowinfo[row].newpage)
1454                    << write_attribute("caption", rowinfo[row].caption)
1455                    << ">\n";
1456                 for (size_t col = 0; col < colinfo.size(); ++col) {
1457                         CellInfo const & cell = cellinfo[row][col];
1458                         os << "<cell";
1459                         if (cell.multi == CELL_BEGIN_OF_MULTICOLUMN
1460                             || cell.multi == CELL_PART_OF_MULTICOLUMN)
1461                                 os << " multicolumn=\"" << cell.multi << "\"";
1462                         if (cell.multi == CELL_BEGIN_OF_MULTIROW
1463                             || cell.multi == CELL_PART_OF_MULTIROW)
1464                                 os << " multirow=\"" << cell.multi << "\"";
1465                         os << " alignment=\"" << verbose_align(cell.align)
1466                            << "\""
1467                            << " valignment=\"" << verbose_valign(cell.valign)
1468                            << "\""
1469                            << write_attribute("topline", cell.topline)
1470                            << write_attribute("bottomline", cell.bottomline)
1471                            << write_attribute("leftline", cell.leftlines > 0)
1472                            << write_attribute("rightline", cell.rightlines > 0)
1473                            << write_attribute("rotate", cell.rotate)
1474                            << write_attribute("mroffset", cell.mroffset);
1475                         //cerr << "\nrow: " << row << " col: " << col;
1476                         //if (cell.topline)
1477                         //      cerr << " topline=\"true\"";
1478                         //if (cell.bottomline)
1479                         //      cerr << " bottomline=\"true\"";
1480                         os << " usebox=\"none\""
1481                            << write_attribute("width", translate_len(cell.width));
1482                         if (cell.multi != CELL_NORMAL)
1483                                 os << write_attribute("special", cell.special);
1484                         os << ">"
1485                            << "\n\\begin_inset Text\n"
1486                            << cell.content
1487                            << "\n\\end_inset\n"
1488                            << "</cell>\n";
1489                 }
1490                 os << "</row>\n";
1491         }
1492
1493         os << "</lyxtabular>\n";
1494 }
1495
1496
1497
1498
1499 // }])
1500
1501
1502 } // namespace lyx