src/output_xhtml.cpp

   1 /**
   2  * \file output_xhtml.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Richard Heck
   7  *
   8  * This code is based upon output_docbook.cpp
   9  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 #include <config.h>
  14
  15 #include "output_xhtml.h"
  16
  17 #include "Buffer.h"
  18 #include "buffer_funcs.h"
  19 #include "BufferParams.h"
  20 #include "Counters.h"
  21 #include "Layout.h"
  22 #include "OutputParams.h"
  23 #include "Paragraph.h"
  24 #include "ParagraphList.h"
  25 #include "ParagraphParameters.h"
  26 #include "sgml.h"
  27 #include "Text.h"
  28 #include "TextClass.h"
  29
  30 #include "support/lassert.h"
  31 #include "support/debug.h"
  32 #include "support/lstrings.h"
  33
  34 #include <vector>
  35
  36 using namespace std;
  37 using namespace lyx::support;
  38
  39 namespace lyx {
  40
  41 namespace html {
  42
  43 docstring escapeChar(char_type c)
  44 {
  45         docstring str;
  46         switch (c) {
  47         case ' ':
  48                 str += " ";
  49                 break;
  50         case '&':
  51                 str += "&amp;";
  52                 break;
  53         case '<':
  54                 str += "&lt;";
  55                 break;
  56         case '>':
  57                 str += "&gt;";
  58                 break;
  59         default:
  60                 str += c;
  61                 break;
  62         }
  63         return str;
  64 }
  65
  66
  67 // escape what needs escaping
  68 docstring htmlize(docstring const & str) {
  69         odocstringstream d;
  70         docstring::const_iterator it = str.begin();
  71         docstring::const_iterator en = str.end();
  72         for (; it != en; ++it)
  73                 d << escapeChar(*it);
  74         return d.str();
  75 }
  76
  77
  78 bool isFontTag(string const & s)
  79 {
  80         return s == "em" || s == "strong"; // others?
  81 }
  82 } // namespace html
  83
  84
  85 docstring StartTag::asTag() const
  86 {
  87         string output = "<" + tag_;
  88         if (!attr_.empty())
  89                 output += " " + attr_;
  90         output += ">";
  91         return from_utf8(output);
  92 }
  93
  94
  95 docstring StartTag::asEndTag() const
  96 {
  97         string output = "</" + tag_ + ">";
  98         return from_utf8(output);
  99 }
 100
 101
 102 docstring EndTag::asEndTag() const
 103 {
 104         string output = "</" + tag_ + ">";
 105         return from_utf8(output);
 106 }
 107
 108
 109 docstring CompTag::asTag() const
 110 {
 111         string output = "<" + tag_;
 112         if (!attr_.empty())
 113                 output += " " + attr_;
 114         output += " />";
 115         return from_utf8(output);
 116 }
 117
 118
 119 ////////////////////////////////////////////////////////////////
 120 ///
 121 /// XHTMLStream
 122 ///
 123 ////////////////////////////////////////////////////////////////
 124
 125 XHTMLStream::XHTMLStream(odocstream & os)
 126                 :os_(os)
 127 {}
 128
 129
 130 void XHTMLStream::cr()
 131 {
 132         // tabs?
 133         os_ << from_ascii("\n");
 134 }
 135
 136
 137 void XHTMLStream::writeError(std::string const & s)
 138 {
 139         LYXERR0(s);
 140         os_ << from_utf8("<!-- Output Error: " + s + " -->");
 141 }
 142
 143
 144 bool XHTMLStream::closeFontTags()
 145 {
 146         // first, we close any open font tags we can close
 147         StartTag curtag = tag_stack_.back();
 148         while (html::isFontTag(curtag.tag_)) {
 149                 os_ << curtag.asEndTag();
 150                 tag_stack_.pop_back();
 151                 if (tag_stack_.empty())
 152                         // this probably shouldn't happen, since then the
 153                         // font tags weren't in any other tag. but that
 154                         // problem will likely be caught elsewhere.
 155                         return true;
 156                 curtag = tag_stack_.back();
 157         }
 158         // so we've hit a non-font tag. let's see if any of the
 159         // remaining tags are font tags.
 160         TagStack::const_iterator it = tag_stack_.begin();
 161         TagStack::const_iterator en = tag_stack_.end();
 162         bool noFontTags = true;
 163         for (; it != en; ++it) {
 164                 if (html::isFontTag(it->tag_)) {
 165                         writeError("Font tag `" + it->tag_ + "' still open in closeFontTags().");
 166                         noFontTags = false;
 167                 }
 168         }
 169         return noFontTags;
 170 }
 171
 172
 173 void XHTMLStream::clearTagDeque()
 174 {
 175         while (!pending_tags_.empty()) {
 176                 StartTag const & tag = pending_tags_.front();
 177                 // tabs?
 178                 os_ << tag.asTag();
 179                 tag_stack_.push_back(tag);
 180                 pending_tags_.pop_front();
 181         }
 182 }
 183
 184
 185 XHTMLStream & XHTMLStream::operator<<(docstring const & d)
 186 {
 187         clearTagDeque();
 188         os_ << html::htmlize(d);
 189         return *this;
 190 }
 191
 192
 193 XHTMLStream & XHTMLStream::operator<<(const char * s)
 194 {
 195         clearTagDeque();
 196         os_ << html::htmlize(from_ascii(s));
 197         return *this;
 198 }
 199
 200
 201 XHTMLStream & XHTMLStream::operator<<(char_type c)
 202 {
 203         clearTagDeque();
 204         os_ << html::escapeChar(c);
 205         return *this;
 206 }
 207
 208
 209 XHTMLStream & XHTMLStream::operator<<(StartTag const & tag)
 210 {
 211         if (tag.tag_.empty())
 212                 return *this;
 213         pending_tags_.push_back(tag);
 214         if (tag.keepempty_)
 215                 clearTagDeque();
 216         return *this;
 217 }
 218
 219
 220 XHTMLStream & XHTMLStream::operator<<(CompTag const & tag)
 221 {
 222         if (tag.tag_.empty())
 223                 return *this;
 224         clearTagDeque();
 225         // tabs?
 226         os_ << tag.asTag();
 227         return *this;
 228 }
 229
 230
 231 bool    XHTMLStream::isTagOpen(string const & stag)
 232 {
 233         TagStack::const_iterator sit = tag_stack_.begin();
 234         TagStack::const_iterator const sen = tag_stack_.end();
 235         for (; sit != sen; ++sit)
 236                 // we could check for the
 237                 if (sit->tag_ == stag)
 238                         return true;
 239         return false;
 240 }
 241
 242
 243 // this is complicated, because we want to make sure that
 244 // everything is properly nested. the code ought to make
 245 // sure of that, but we won't assert (yet) if we run into
 246 // a problem. we'll just output error messages and try our
 247 // best to make things work.
 248 XHTMLStream & XHTMLStream::operator<<(EndTag const & etag)
 249 {
 250         if (etag.tag_.empty())
 251                 return *this;
 252         // first make sure we're not closing an empty tag
 253         if (!pending_tags_.empty()) {
 254                 StartTag const & stag = pending_tags_.back();
 255                 if (etag.tag_ == stag.tag_)  {
 256                         // we have <tag></tag>, so we discard it and remove it
 257                         // from the pending_tags_.
 258                         pending_tags_.pop_back();
 259                         return *this;
 260                 }
 261                 // there is a pending tag that isn't the one we are trying
 262                 // to close.
 263                 // is this tag itself pending?
 264                 // non-const iterators because we may call erase().
 265                 TagDeque::iterator dit = pending_tags_.begin();
 266                 TagDeque::iterator const den = pending_tags_.end();
 267                 for (; dit != den; ++dit) {
 268                         if (dit->tag_ == etag.tag_) {
 269                                 // it was pending, so we just erase it
 270                                 writeError("Tried to close pending tag `" + etag.tag_
 271                                         + "' when other tags were pending. Tag discarded.");
 272                                 pending_tags_.erase(dit);
 273                                 return *this;
 274                         }
 275                 }
 276                 // so etag isn't itself pending. is it even open?
 277                 if (!isTagOpen(etag.tag_)) {
 278                         writeError("Tried to close `" + etag.tag_
 279                                  + "' when tag was not open. Tag discarded.");
 280                         return *this;
 281                 }
 282                 // ok, so etag is open.
 283                 // our strategy will be as below: we will do what we need to
 284                 // do to close this tag.
 285                 string estr = "Closing tag `" + etag.tag_
 286                         + "' when other tags are pending. Discarded pending tags:\n";
 287                 for (dit = pending_tags_.begin(); dit != den; ++dit)
 288                         estr += dit->tag_ + "\n";
 289                 writeError(estr);
 290                 // clear the pending tags...
 291                 pending_tags_.clear();
 292                 // ...and then just fall through.
 293         }
 294
 295         // is the tag we are closing the last one we opened?
 296         if (etag.tag_ == tag_stack_.back().tag_) {
 297                 // output it...
 298                 os_ << etag.asEndTag();
 299                 // ...and forget about it
 300                 tag_stack_.pop_back();
 301                 return *this;
 302         }
 303
 304         // we are trying to close a tag other than the one last opened.
 305         // let's first see if this particular tag is still open somehow.
 306         if (!isTagOpen(etag.tag_)) {
 307                 writeError("Tried to close `" + etag.tag_
 308                         + "' when tag was not open. Tag discarded.");
 309                 return *this;
 310         }
 311
 312         // so the tag was opened, but other tags have been opened since
 313         // and not yet closed.
 314         // if it's a font tag, though...
 315         if (html::isFontTag(etag.tag_)) {
 316                 // it won't be a problem if the other tags open since this one
 317                 // are also font tags.
 318                 TagStack::const_reverse_iterator rit = tag_stack_.rbegin();
 319                 TagStack::const_reverse_iterator ren = tag_stack_.rend();
 320                 for (; rit != ren; ++rit) {
 321                         if (rit->tag_ == etag.tag_)
 322                                 break;
 323                         if (!html::isFontTag(rit->tag_)) {
 324                                 // we'll just leave it and, presumably, have to close it later.
 325                                 writeError("Unable to close font tag `" + etag.tag_
 326                                         + "' due to open non-font tag `" + rit->tag_ + "'.");
 327                                 return *this;
 328                         }
 329                 }
 330
 331                 // so we have e.g.:
 332                 //    <em>this is <strong>bold
 333                 // and are being asked to closed em. we want:
 334                 //    <em>this is <strong>bold</strong></em><strong>
 335                 // first, we close the intervening tags...
 336                 StartTag curtag = tag_stack_.back();
 337                 // ...remembering them in a stack.
 338                 TagStack fontstack;
 339                 while (curtag.tag_ != etag.tag_) {
 340                         os_ << curtag.asEndTag();
 341                         fontstack.push_back(curtag);
 342                         tag_stack_.pop_back();
 343                         curtag = tag_stack_.back();
 344                 }
 345                 // now close our tag...
 346                 os_ << etag.asEndTag();
 347                 tag_stack_.pop_back();
 348
 349                 // ...and restore the other tags.
 350                 rit = fontstack.rbegin();
 351                 ren = fontstack.rend();
 352                 for (; rit != ren; ++rit)
 353                         pending_tags_.push_back(*rit);
 354                 return *this;
 355         }
 356
 357         // it wasn't a font tag.
 358         // so other tags were opened before this one and not properly closed.
 359         // so we'll close them, too. that may cause other issues later, but it
 360         // at least guarantees proper nesting.
 361         writeError("Closing tag `" + etag.tag_
 362                 + "' when other tags are open, namely:");
 363         StartTag curtag = tag_stack_.back();
 364         while (curtag.tag_ != etag.tag_) {
 365                 writeError(curtag.tag_);
 366                 os_ << curtag.asEndTag();
 367                 tag_stack_.pop_back();
 368                 curtag = tag_stack_.back();
 369         }
 370         // curtag is now the one we actually want.
 371         os_ << curtag.asEndTag();
 372         tag_stack_.pop_back();
 373
 374         return *this;
 375 }
 376
 377 // End code for XHTMLStream
 378
 379 namespace {
 380
 381 // convenience functions
 382
 383 inline void openTag(XHTMLStream & xs, Layout const & lay)
 384 {
 385         xs << StartTag(lay.htmltag(), lay.htmlattr());
 386 }
 387
 388
 389 inline void closeTag(XHTMLStream & xs, Layout const & lay)
 390 {
 391         xs << EndTag(lay.htmltag());
 392 }
 393
 394
 395 inline void openLabelTag(XHTMLStream & xs, Layout const & lay)
 396 {
 397         xs << StartTag(lay.htmllabeltag(), lay.htmllabelattr());
 398 }
 399
 400
 401 inline void closeLabelTag(XHTMLStream & xs, Layout const & lay)
 402 {
 403         xs << EndTag(lay.htmllabeltag());
 404 }
 405
 406
 407 inline void openItemTag(XHTMLStream & xs, Layout const & lay)
 408 {
 409         xs << StartTag(lay.htmlitemtag(), lay.htmlitemattr(), true);
 410 }
 411
 412
 413 inline void closeItemTag(XHTMLStream & xs, Layout const & lay)
 414 {
 415         xs << EndTag(lay.htmlitemtag());
 416 }
 417
 418 // end of convenience functions
 419
 420 ParagraphList::const_iterator searchParagraphHtml(
 421         ParagraphList::const_iterator p,
 422         ParagraphList::const_iterator const & pend)
 423 {
 424         for (++p; p != pend && p->layout().latextype == LATEX_PARAGRAPH; ++p)
 425                 ;
 426
 427         return p;
 428 }
 429
 430
 431 ParagraphList::const_iterator searchEnvironmentHtml(
 432                 ParagraphList::const_iterator const pstart,
 433                 ParagraphList::const_iterator const & pend)
 434 {
 435         ParagraphList::const_iterator p = pstart;
 436         Layout const & bstyle = p->layout();
 437         size_t const depth = p->params().depth();
 438         for (++p; p != pend; ++p) {
 439                 Layout const & style = p->layout();
 440                 // It shouldn't happen that e.g. a section command occurs inside
 441                 // a quotation environment, at a higher depth, but as of 6/2009,
 442                 // it can happen. We pretend that it's just at lowest depth.
 443                 if (style.latextype == LATEX_COMMAND)
 444                         return p;
 445                 // If depth is down, we're done
 446                 if (p->params().depth() < depth)
 447                         return p;
 448                 // If depth is up, we're not done
 449                 if (p->params().depth() > depth)
 450                         continue;
 451                 // Now we know we are at the same depth
 452                 if (style.latextype == LATEX_PARAGRAPH
 453                     || style.latexname() != bstyle.latexname())
 454                         return p;
 455         }
 456         return pend;
 457 }
 458
 459
 460 ParagraphList::const_iterator makeParagraphs(Buffer const & buf,
 461                                             XHTMLStream & xs,
 462                                             OutputParams const & runparams,
 463                                             Text const & text,
 464                                             ParagraphList::const_iterator const & pbegin,
 465                                             ParagraphList::const_iterator const & pend)
 466 {
 467         ParagraphList::const_iterator const begin = text.paragraphs().begin();
 468         ParagraphList::const_iterator par = pbegin;
 469         for (; par != pend; ++par) {
 470                 Layout const & lay = par->layout();
 471                 if (!lay.counter.empty())
 472                         buf.params().documentClass().counters().step(lay.counter);
 473                 // FIXME We should see if there's a label to be output and
 474                 // do something with it.
 475                 if (par != pbegin)
 476                         xs.cr();
 477
 478                 // FIXME Should we really allow anything other than 'p' here?
 479
 480                 // If we are already in a paragraph, and this is the first one, then we
 481                 // do not want to open the paragraph tag.
 482                 bool const opened =
 483                         (par == pbegin && runparams.html_in_par) ? false : true;
 484                 if (opened)
 485                         openTag(xs, lay);
 486                 docstring const deferred =
 487                         par->simpleLyXHTMLOnePar(buf, xs, runparams, text.outerFont(distance(begin, par)));
 488
 489                 // We want to issue the closing tag if either:
 490                 //   (i)  We opened it, and either html_in_par is false,
 491                 //        or we're not in the last paragraph, anyway.
 492                 //   (ii) We didn't open it and html_in_par is true,
 493                 //        but we are in the first par, and there is a next par.
 494                 ParagraphList::const_iterator nextpar = par;
 495                 nextpar++;
 496                 bool const needclose =
 497                         (opened && (!runparams.html_in_par || nextpar != pend))
 498                         || (!opened && runparams.html_in_par && par == pbegin && nextpar != pend);
 499                 if (needclose) {
 500                         closeTag(xs, lay);
 501                         xs.cr();
 502                 }
 503                 if (!deferred.empty()) {
 504                         xs << deferred;
 505                         xs.cr();
 506                 }
 507         }
 508         return pend;
 509 }
 510
 511
 512 ParagraphList::const_iterator makeBibliography(Buffer const & buf,
 513                                 XHTMLStream & xs,
 514                                 OutputParams const & runparams,
 515                                 Text const & text,
 516                                 ParagraphList::const_iterator const & pbegin,
 517                                 ParagraphList::const_iterator const & pend)
 518 {
 519         xs << StartTag("h2", "class='bibliography'");
 520         xs << pbegin->layout().labelstring(false);
 521         xs << EndTag("h2");
 522         xs.cr();
 523         xs << StartTag("div", "class='bibliography'");
 524         xs.cr();
 525         makeParagraphs(buf, xs, runparams, text, pbegin, pend);
 526         xs << EndTag("div");
 527         return pend;
 528 }
 529
 530
 531 bool isNormalEnv(Layout const & lay)
 532 {
 533         return lay.latextype == LATEX_ENVIRONMENT;
 534 }
 535
 536
 537 ParagraphList::const_iterator makeEnvironmentHtml(Buffer const & buf,
 538                                               XHTMLStream & xs,
 539                                               OutputParams const & runparams,
 540                                               Text const & text,
 541                                               ParagraphList::const_iterator const & pbegin,
 542                                               ParagraphList::const_iterator const & pend)
 543 {
 544         ParagraphList::const_iterator const begin = text.paragraphs().begin();
 545         ParagraphList::const_iterator par = pbegin;
 546         Layout const & bstyle = par->layout();
 547         depth_type const origdepth = pbegin->params().depth();
 548
 549         // open tag for this environment
 550         openTag(xs, bstyle);
 551         xs.cr();
 552
 553         // we will on occasion need to remember a layout from before.
 554         Layout const * lastlay = 0;
 555
 556         while (par != pend) {
 557                 Layout const & style = par->layout();
 558                 // the counter only gets stepped if we're in some kind of list,
 559                 // or if it's the first time through.
 560                 // note that enum, etc, are handled automatically.
 561                 // FIXME There may be a bug here about user defined enumeration
 562                 // types. If so, then we'll need to take the counter and add "i",
 563                 // "ii", etc, as with enum.
 564                 if (!style.counter.empty() &&
 565                     (par == pbegin || !isNormalEnv(style))
 566                     && style.latextype == LATEX_LIST_ENVIRONMENT)
 567                         buf.params().documentClass().counters().step(style.counter);
 568                 ParagraphList::const_iterator send;
 569                 // this will be positive, if we want to skip the initial word
 570                 // (if it's been taken for the label).
 571                 pos_type sep = 0;
 572
 573                 switch (style.latextype) {
 574                 case LATEX_ENVIRONMENT:
 575                 case LATEX_LIST_ENVIRONMENT:
 576                 case LATEX_ITEM_ENVIRONMENT: {
 577                         // There are two possiblities in this case.
 578                         // One is that we are still in the environment in which we
 579                         // started---which we will be if the depth is the same.
 580                         if (par->params().depth() == origdepth) {
 581                                 LASSERT(bstyle == style, /* */);
 582                                 if (lastlay != 0) {
 583                                         closeItemTag(xs, *lastlay);
 584                                         lastlay = 0;
 585                                 }
 586                                 bool const labelfirst = style.htmllabelfirst();
 587                                 if (isNormalEnv(style)) {
 588                                         // in this case, we print the label only for the first
 589                                         // paragraph (as in a theorem).
 590                                         openItemTag(xs, style);
 591                                         if (par == pbegin && style.htmllabeltag() != "NONE") {
 592                                                 docstring const lbl =
 593                                                                 pbegin->expandLabel(style, buf.params(), false);
 594                                                 if (!lbl.empty()) {
 595                                                         openLabelTag(xs, style);
 596                                                         xs << lbl;
 597                                                         closeLabelTag(xs, style);
 598                                                 }
 599                                                 xs.cr();
 600                                         }
 601                                 }       else { // some kind of list
 602                                         if (!labelfirst)
 603                                                 openItemTag(xs, style);
 604                                         if (style.labeltype == LABEL_MANUAL
 605                                             && style.htmllabeltag() != "NONE") {
 606                                                 openLabelTag(xs, style);
 607 //                                              sep = par->firstWordLyXHTML(xs, runparams);
 608                                                 closeLabelTag(xs, style);
 609                                                 xs.cr();
 610                                         }
 611                                         else if (style.labeltype != LABEL_NO_LABEL
 612                                                  && style.htmllabeltag() != "NONE") {
 613                                                 openLabelTag(xs, style);
 614                                                 xs << par->expandLabel(style, buf.params(), false);
 615                                                 closeLabelTag(xs, style);
 616                                                 xs.cr();
 617                                         }
 618                                         if (labelfirst)
 619                                                 openItemTag(xs, style);
 620                                         else
 621                                                 // FIXME This should probalby be put into the layout file rather
 622                                                 // than hardcoded.
 623                                                 xs << StartTag("span", "class='" + to_utf8(style.name()) + "_inneritem'");
 624                                 }
 625                                 par->simpleLyXHTMLOnePar(buf, xs, runparams,
 626                                         text.outerFont(distance(begin, par)), sep);
 627                                 if (!isNormalEnv(style) && !labelfirst)
 628                                         xs << EndTag("span");
 629                                 ++par;
 630                                 // We may not want to close the tag yet, in particular,
 631                                 // if we're not at the end...
 632                                 if (par != pend
 633                                         //  and are doing items...
 634                                          && style.latextype == LATEX_ITEM_ENVIRONMENT
 635                                          // and if the depth has changed...
 636                                          && par->params().depth() != origdepth) {
 637                                          // then we'll save this layout for later, and close it when
 638                                          // we get another item.
 639                                         lastlay = &style;
 640                                 } else
 641                                         closeItemTag(xs, style);
 642                                 xs.cr();
 643                         }
 644                         // The other possibility is that the depth has increased, in which
 645                         // case we need to recurse.
 646                         else {
 647                                 send = searchEnvironmentHtml(par, pend);
 648                                 par = makeEnvironmentHtml(buf, xs, runparams, text, par, send);
 649                         }
 650                         break;
 651                 }
 652                 case LATEX_PARAGRAPH:
 653                         send = searchParagraphHtml(par, pend);
 654                         par = makeParagraphs(buf, xs, runparams, text, par, send);
 655                         break;
 656                 // Shouldn't happen
 657                 case LATEX_BIB_ENVIRONMENT:
 658                         send = par;
 659                         ++send;
 660                         par = makeParagraphs(buf, xs, runparams, text, par, send);
 661                         break;
 662                 // Shouldn't happen
 663                 case LATEX_COMMAND:
 664                         ++par;
 665                         break;
 666                 }
 667         }
 668
 669         if (lastlay != 0)
 670                 closeItemTag(xs, *lastlay);
 671         closeTag(xs, bstyle);
 672         xs.cr();
 673         return pend;
 674 }
 675
 676
 677 void makeCommand(Buffer const & buf,
 678                                           XHTMLStream & xs,
 679                                           OutputParams const & runparams,
 680                                           Text const & text,
 681                                           ParagraphList::const_iterator const & pbegin)
 682 {
 683         Layout const & style = pbegin->layout();
 684         if (!style.counter.empty())
 685                 buf.params().documentClass().counters().step(style.counter);
 686
 687         openTag(xs, style);
 688
 689         // Label around sectioning number:
 690         // FIXME Probably need to account for LABEL_MANUAL
 691         if (style.labeltype != LABEL_NO_LABEL) {
 692                 openLabelTag(xs, style);
 693                 xs << pbegin->expandLabel(style, buf.params(), false);
 694                 closeLabelTag(xs, style);
 695                 // Otherwise the label might run together with the text
 696                 xs << from_ascii(" ");
 697         }
 698
 699         ParagraphList::const_iterator const begin = text.paragraphs().begin();
 700         pbegin->simpleLyXHTMLOnePar(buf, xs, runparams,
 701                         text.outerFont(distance(begin, pbegin)));
 702         closeTag(xs, style);
 703         xs.cr();
 704 }
 705
 706 } // end anonymous namespace
 707
 708
 709 void xhtmlParagraphs(Text const & text,
 710                        Buffer const & buf,
 711                        XHTMLStream & xs,
 712                        OutputParams const & runparams)
 713 {
 714         ParagraphList const & paragraphs = text.paragraphs();
 715         ParagraphList::const_iterator par = paragraphs.begin();
 716         ParagraphList::const_iterator pend = paragraphs.end();
 717
 718         OutputParams ourparams = runparams;
 719         while (par != pend) {
 720                 Layout const & style = par->layout();
 721                 ParagraphList::const_iterator lastpar = par;
 722                 ParagraphList::const_iterator send;
 723
 724                 switch (style.latextype) {
 725                 case LATEX_COMMAND: {
 726                         // The files with which we are working never have more than
 727                         // one paragraph in a command structure.
 728                         // FIXME
 729                         // if (ourparams.html_in_par)
 730                         //   fix it so we don't get sections inside standard, e.g.
 731                         // note that we may then need to make runparams not const, so we
 732                         // can communicate that back.
 733                         // FIXME Maybe this fix should be in the routines themselves, in case
 734                         // they are called from elsewhere.
 735                         makeCommand(buf, xs, ourparams, text, par);
 736                         ++par;
 737                         break;
 738                 }
 739                 case LATEX_ENVIRONMENT:
 740                 case LATEX_LIST_ENVIRONMENT:
 741                 case LATEX_ITEM_ENVIRONMENT: {
 742                         // FIXME Same fix here.
 743                         send = searchEnvironmentHtml(par, pend);
 744                         par = makeEnvironmentHtml(buf, xs, ourparams, text, par, send);
 745                         break;
 746                 }
 747                 case LATEX_BIB_ENVIRONMENT: {
 748                         // FIXME Same fix here.
 749                         send = searchEnvironmentHtml(par, pend);
 750                         par = makeBibliography(buf, xs, ourparams, text, par, send);
 751                         break;
 752                 }
 753                 case LATEX_PARAGRAPH:
 754                         send = searchParagraphHtml(par, pend);
 755                         par = makeParagraphs(buf, xs, ourparams, text, par, send);
 756                         break;
 757                 }
 758                 // FIXME??
 759                 // makeEnvironment may process more than one paragraphs and bypass pend
 760                 if (distance(lastpar, par) >= distance(lastpar, pend))
 761                         break;
 762         }
 763 }
 764
 765
 766 } // namespace lyx