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         if (tag_stack_.empty())
 147                 return true;
 148         // first, we close any open font tags we can close
 149         StartTag curtag = tag_stack_.back();
 150         while (html::isFontTag(curtag.tag_)) {
 151                 os_ << curtag.asEndTag();
 152                 tag_stack_.pop_back();
 153                 if (tag_stack_.empty())
 154                         // this probably shouldn't happen, since then the
 155                         // font tags weren't in any other tag. but that
 156                         // problem will likely be caught elsewhere.
 157                         return true;
 158                 curtag = tag_stack_.back();
 159         }
 160         // so we've hit a non-font tag. let's see if any of the
 161         // remaining tags are font tags.
 162         TagStack::const_iterator it = tag_stack_.begin();
 163         TagStack::const_iterator en = tag_stack_.end();
 164         bool noFontTags = true;
 165         for (; it != en; ++it) {
 166                 if (html::isFontTag(it->tag_)) {
 167                         writeError("Font tag `" + it->tag_ + "' still open in closeFontTags().");
 168                         noFontTags = false;
 169                 }
 170         }
 171         return noFontTags;
 172 }
 173
 174
 175 void XHTMLStream::clearTagDeque()
 176 {
 177         while (!pending_tags_.empty()) {
 178                 StartTag const & tag = pending_tags_.front();
 179                 // tabs?
 180                 os_ << tag.asTag();
 181                 tag_stack_.push_back(tag);
 182                 pending_tags_.pop_front();
 183         }
 184 }
 185
 186
 187 XHTMLStream & XHTMLStream::operator<<(docstring const & d)
 188 {
 189         clearTagDeque();
 190         if (nextraw_) {
 191                 os_ << d;
 192                 nextraw_ = false;
 193         } else
 194                 os_ << html::htmlize(d);
 195         return *this;
 196 }
 197
 198
 199 XHTMLStream & XHTMLStream::operator<<(const char * s)
 200 {
 201         clearTagDeque();
 202         docstring const d = from_ascii(s);
 203         if (nextraw_) {
 204                 os_ << d;
 205                 nextraw_ = false;
 206         } else
 207                 os_ << html::htmlize(d);
 208         return *this;
 209 }
 210
 211
 212 XHTMLStream & XHTMLStream::operator<<(char_type c)
 213 {
 214         clearTagDeque();
 215         if (nextraw_) {
 216                 os_ << c;
 217                 nextraw_ = false;
 218         } else
 219                 os_ << html::escapeChar(c);
 220         return *this;
 221 }
 222
 223
 224 XHTMLStream & XHTMLStream::operator<<(NextRaw const &)
 225 {
 226         nextraw_ = true;
 227         return *this;
 228 }
 229
 230
 231 XHTMLStream & XHTMLStream::operator<<(StartTag const & tag)
 232 {
 233         if (tag.tag_.empty())
 234                 return *this;
 235         pending_tags_.push_back(tag);
 236         if (tag.keepempty_)
 237                 clearTagDeque();
 238         return *this;
 239 }
 240
 241
 242 XHTMLStream & XHTMLStream::operator<<(CompTag const & tag)
 243 {
 244         if (tag.tag_.empty())
 245                 return *this;
 246         clearTagDeque();
 247         // tabs?
 248         os_ << tag.asTag();
 249         return *this;
 250 }
 251
 252
 253 bool    XHTMLStream::isTagOpen(string const & stag)
 254 {
 255         TagStack::const_iterator sit = tag_stack_.begin();
 256         TagStack::const_iterator const sen = tag_stack_.end();
 257         for (; sit != sen; ++sit)
 258                 // we could check for the
 259                 if (sit->tag_ == stag)
 260                         return true;
 261         return false;
 262 }
 263
 264
 265 // this is complicated, because we want to make sure that
 266 // everything is properly nested. the code ought to make
 267 // sure of that, but we won't assert (yet) if we run into
 268 // a problem. we'll just output error messages and try our
 269 // best to make things work.
 270 XHTMLStream & XHTMLStream::operator<<(EndTag const & etag)
 271 {
 272         if (etag.tag_.empty())
 273                 return *this;
 274         // first make sure we're not closing an empty tag
 275         if (!pending_tags_.empty()) {
 276                 StartTag const & stag = pending_tags_.back();
 277                 if (etag.tag_ == stag.tag_)  {
 278                         // we have <tag></tag>, so we discard it and remove it
 279                         // from the pending_tags_.
 280                         pending_tags_.pop_back();
 281                         return *this;
 282                 }
 283                 // there is a pending tag that isn't the one we are trying
 284                 // to close.
 285                 // is this tag itself pending?
 286                 // non-const iterators because we may call erase().
 287                 TagDeque::iterator dit = pending_tags_.begin();
 288                 TagDeque::iterator const den = pending_tags_.end();
 289                 for (; dit != den; ++dit) {
 290                         if (dit->tag_ == etag.tag_) {
 291                                 // it was pending, so we just erase it
 292                                 writeError("Tried to close pending tag `" + etag.tag_
 293                                         + "' when other tags were pending. Tag discarded.");
 294                                 pending_tags_.erase(dit);
 295                                 return *this;
 296                         }
 297                 }
 298                 // so etag isn't itself pending. is it even open?
 299                 if (!isTagOpen(etag.tag_)) {
 300                         writeError("Tried to close `" + etag.tag_
 301                                  + "' when tag was not open. Tag discarded.");
 302                         return *this;
 303                 }
 304                 // ok, so etag is open.
 305                 // our strategy will be as below: we will do what we need to
 306                 // do to close this tag.
 307                 string estr = "Closing tag `" + etag.tag_
 308                         + "' when other tags are pending. Discarded pending tags:\n";
 309                 for (dit = pending_tags_.begin(); dit != den; ++dit)
 310                         estr += dit->tag_ + "\n";
 311                 writeError(estr);
 312                 // clear the pending tags...
 313                 pending_tags_.clear();
 314                 // ...and then just fall through.
 315         }
 316
 317         // is the tag we are closing the last one we opened?
 318         if (etag.tag_ == tag_stack_.back().tag_) {
 319                 // output it...
 320                 os_ << etag.asEndTag();
 321                 // ...and forget about it
 322                 tag_stack_.pop_back();
 323                 return *this;
 324         }
 325
 326         // we are trying to close a tag other than the one last opened.
 327         // let's first see if this particular tag is still open somehow.
 328         if (!isTagOpen(etag.tag_)) {
 329                 writeError("Tried to close `" + etag.tag_
 330                         + "' when tag was not open. Tag discarded.");
 331                 return *this;
 332         }
 333
 334         // so the tag was opened, but other tags have been opened since
 335         // and not yet closed.
 336         // if it's a font tag, though...
 337         if (html::isFontTag(etag.tag_)) {
 338                 // it won't be a problem if the other tags open since this one
 339                 // are also font tags.
 340                 TagStack::const_reverse_iterator rit = tag_stack_.rbegin();
 341                 TagStack::const_reverse_iterator ren = tag_stack_.rend();
 342                 for (; rit != ren; ++rit) {
 343                         if (rit->tag_ == etag.tag_)
 344                                 break;
 345                         if (!html::isFontTag(rit->tag_)) {
 346                                 // we'll just leave it and, presumably, have to close it later.
 347                                 writeError("Unable to close font tag `" + etag.tag_
 348                                         + "' due to open non-font tag `" + rit->tag_ + "'.");
 349                                 return *this;
 350                         }
 351                 }
 352
 353                 // so we have e.g.:
 354                 //    <em>this is <strong>bold
 355                 // and are being asked to closed em. we want:
 356                 //    <em>this is <strong>bold</strong></em><strong>
 357                 // first, we close the intervening tags...
 358                 StartTag curtag = tag_stack_.back();
 359                 // ...remembering them in a stack.
 360                 TagStack fontstack;
 361                 while (curtag.tag_ != etag.tag_) {
 362                         os_ << curtag.asEndTag();
 363                         fontstack.push_back(curtag);
 364                         tag_stack_.pop_back();
 365                         curtag = tag_stack_.back();
 366                 }
 367                 // now close our tag...
 368                 os_ << etag.asEndTag();
 369                 tag_stack_.pop_back();
 370
 371                 // ...and restore the other tags.
 372                 rit = fontstack.rbegin();
 373                 ren = fontstack.rend();
 374                 for (; rit != ren; ++rit)
 375                         pending_tags_.push_back(*rit);
 376                 return *this;
 377         }
 378
 379         // it wasn't a font tag.
 380         // so other tags were opened before this one and not properly closed.
 381         // so we'll close them, too. that may cause other issues later, but it
 382         // at least guarantees proper nesting.
 383         writeError("Closing tag `" + etag.tag_
 384                 + "' when other tags are open, namely:");
 385         StartTag curtag = tag_stack_.back();
 386         while (curtag.tag_ != etag.tag_) {
 387                 writeError(curtag.tag_);
 388                 os_ << curtag.asEndTag();
 389                 tag_stack_.pop_back();
 390                 curtag = tag_stack_.back();
 391         }
 392         // curtag is now the one we actually want.
 393         os_ << curtag.asEndTag();
 394         tag_stack_.pop_back();
 395
 396         return *this;
 397 }
 398
 399 // End code for XHTMLStream
 400
 401 namespace {
 402
 403 // convenience functions
 404
 405 inline void openTag(XHTMLStream & xs, Layout const & lay)
 406 {
 407         xs << StartTag(lay.htmltag(), lay.htmlattr());
 408 }
 409
 410
 411 inline void closeTag(XHTMLStream & xs, Layout const & lay)
 412 {
 413         xs << EndTag(lay.htmltag());
 414 }
 415
 416
 417 inline void openLabelTag(XHTMLStream & xs, Layout const & lay)
 418 {
 419         xs << StartTag(lay.htmllabeltag(), lay.htmllabelattr());
 420 }
 421
 422
 423 inline void closeLabelTag(XHTMLStream & xs, Layout const & lay)
 424 {
 425         xs << EndTag(lay.htmllabeltag());
 426 }
 427
 428
 429 inline void openItemTag(XHTMLStream & xs, Layout const & lay)
 430 {
 431         xs << StartTag(lay.htmlitemtag(), lay.htmlitemattr(), true);
 432 }
 433
 434
 435 inline void closeItemTag(XHTMLStream & xs, Layout const & lay)
 436 {
 437         xs << EndTag(lay.htmlitemtag());
 438 }
 439
 440 // end of convenience functions
 441
 442 ParagraphList::const_iterator searchParagraphHtml(
 443         ParagraphList::const_iterator p,
 444         ParagraphList::const_iterator const & pend)
 445 {
 446         for (++p; p != pend && p->layout().latextype == LATEX_PARAGRAPH; ++p)
 447                 ;
 448
 449         return p;
 450 }
 451
 452
 453 ParagraphList::const_iterator searchEnvironmentHtml(
 454                 ParagraphList::const_iterator const pstart,
 455                 ParagraphList::const_iterator const & pend)
 456 {
 457         ParagraphList::const_iterator p = pstart;
 458         Layout const & bstyle = p->layout();
 459         size_t const depth = p->params().depth();
 460         for (++p; p != pend; ++p) {
 461                 Layout const & style = p->layout();
 462                 // It shouldn't happen that e.g. a section command occurs inside
 463                 // a quotation environment, at a higher depth, but as of 6/2009,
 464                 // it can happen. We pretend that it's just at lowest depth.
 465                 if (style.latextype == LATEX_COMMAND)
 466                         return p;
 467                 // If depth is down, we're done
 468                 if (p->params().depth() < depth)
 469                         return p;
 470                 // If depth is up, we're not done
 471                 if (p->params().depth() > depth)
 472                         continue;
 473                 // Now we know we are at the same depth
 474                 if (style.latextype == LATEX_PARAGRAPH
 475                     || style.latexname() != bstyle.latexname())
 476                         return p;
 477         }
 478         return pend;
 479 }
 480
 481
 482 ParagraphList::const_iterator makeParagraphs(Buffer const & buf,
 483                                             XHTMLStream & xs,
 484                                             OutputParams const & runparams,
 485                                             Text const & text,
 486                                             ParagraphList::const_iterator const & pbegin,
 487                                             ParagraphList::const_iterator const & pend)
 488 {
 489         ParagraphList::const_iterator const begin = text.paragraphs().begin();
 490         ParagraphList::const_iterator par = pbegin;
 491         for (; par != pend; ++par) {
 492                 Layout const & lay = par->layout();
 493                 if (!lay.counter.empty())
 494                         buf.params().documentClass().counters().step(lay.counter);
 495                 // FIXME We should see if there's a label to be output and
 496                 // do something with it.
 497                 if (par != pbegin)
 498                         xs.cr();
 499
 500                 // If we are already in a paragraph, and this is the first one, then we
 501                 // do not want to open the paragraph tag.
 502                 // we also do not want to open it if the current layout does not permit
 503                 // multiple paragraphs.
 504                 bool const opened = runparams.html_make_pars &&
 505                         (par != pbegin || !runparams.html_in_par);
 506                 if (opened)
 507                         openTag(xs, lay);
 508                 docstring const deferred =
 509                         par->simpleLyXHTMLOnePar(buf, xs, runparams, text.outerFont(distance(begin, par)));
 510
 511                 // We want to issue the closing tag if either:
 512                 //   (i)  We opened it, and either html_in_par is false,
 513                 //        or we're not in the last paragraph, anyway.
 514                 //   (ii) We didn't open it and html_in_par is true,
 515                 //        but we are in the first par, and there is a next par.
 516                 ParagraphList::const_iterator nextpar = par;
 517                 nextpar++;
 518                 bool const needclose =
 519                         (opened && (!runparams.html_in_par || nextpar != pend))
 520                         || (!opened && runparams.html_in_par && par == pbegin && nextpar != pend);
 521                 if (needclose) {
 522                         closeTag(xs, lay);
 523                         xs.cr();
 524                 }
 525                 if (!deferred.empty()) {
 526                         xs << XHTMLStream::NextRaw() << deferred;
 527                         xs.cr();
 528                 }
 529         }
 530         return pend;
 531 }
 532
 533
 534 ParagraphList::const_iterator makeBibliography(Buffer const & buf,
 535                                 XHTMLStream & xs,
 536                                 OutputParams const & runparams,
 537                                 Text const & text,
 538                                 ParagraphList::const_iterator const & pbegin,
 539                                 ParagraphList::const_iterator const & pend)
 540 {
 541         xs << StartTag("h2", "class='bibliography'");
 542         xs << pbegin->layout().labelstring(false);
 543         xs << EndTag("h2");
 544         xs.cr();
 545         xs << StartTag("div", "class='bibliography'");
 546         xs.cr();
 547         makeParagraphs(buf, xs, runparams, text, pbegin, pend);
 548         xs << EndTag("div");
 549         return pend;
 550 }
 551
 552
 553 bool isNormalEnv(Layout const & lay)
 554 {
 555         return lay.latextype == LATEX_ENVIRONMENT;
 556 }
 557
 558
 559 ParagraphList::const_iterator makeEnvironmentHtml(Buffer const & buf,
 560                                               XHTMLStream & xs,
 561                                               OutputParams const & runparams,
 562                                               Text const & text,
 563                                               ParagraphList::const_iterator const & pbegin,
 564                                               ParagraphList::const_iterator const & pend)
 565 {
 566         ParagraphList::const_iterator const begin = text.paragraphs().begin();
 567         ParagraphList::const_iterator par = pbegin;
 568         Layout const & bstyle = par->layout();
 569         depth_type const origdepth = pbegin->params().depth();
 570
 571         // open tag for this environment
 572         openTag(xs, bstyle);
 573         xs.cr();
 574
 575         // we will on occasion need to remember a layout from before.
 576         Layout const * lastlay = 0;
 577
 578         while (par != pend) {
 579                 Layout const & style = par->layout();
 580                 // the counter only gets stepped if we're in some kind of list,
 581                 // or if it's the first time through.
 582                 // note that enum, etc, are handled automatically.
 583                 // FIXME There may be a bug here about user defined enumeration
 584                 // types. If so, then we'll need to take the counter and add "i",
 585                 // "ii", etc, as with enum.
 586                 if (!style.counter.empty() &&
 587                     (par == pbegin || !isNormalEnv(style))
 588                     && style.latextype == LATEX_LIST_ENVIRONMENT)
 589                         buf.params().documentClass().counters().step(style.counter);
 590                 ParagraphList::const_iterator send;
 591                 // this will be positive, if we want to skip the initial word
 592                 // (if it's been taken for the label).
 593                 pos_type sep = 0;
 594
 595                 switch (style.latextype) {
 596                 case LATEX_ENVIRONMENT:
 597                 case LATEX_LIST_ENVIRONMENT:
 598                 case LATEX_ITEM_ENVIRONMENT: {
 599                         // There are two possiblities in this case.
 600                         // One is that we are still in the environment in which we
 601                         // started---which we will be if the depth is the same.
 602                         if (par->params().depth() == origdepth) {
 603                                 LASSERT(bstyle == style, /* */);
 604                                 if (lastlay != 0) {
 605                                         closeItemTag(xs, *lastlay);
 606                                         lastlay = 0;
 607                                 }
 608                                 bool const labelfirst = style.htmllabelfirst();
 609                                 if (isNormalEnv(style)) {
 610                                         // in this case, we print the label only for the first
 611                                         // paragraph (as in a theorem).
 612                                         openItemTag(xs, style);
 613                                         if (par == pbegin && style.htmllabeltag() != "NONE") {
 614                                                 docstring const lbl =
 615                                                                 pbegin->expandLabel(style, buf.params(), false);
 616                                                 if (!lbl.empty()) {
 617                                                         openLabelTag(xs, style);
 618                                                         xs << lbl;
 619                                                         closeLabelTag(xs, style);
 620                                                 }
 621                                                 xs.cr();
 622                                         }
 623                                 }       else { // some kind of list
 624                                         if (!labelfirst)
 625                                                 openItemTag(xs, style);
 626                                         if (style.labeltype == LABEL_MANUAL
 627                                             && style.htmllabeltag() != "NONE") {
 628                                                 openLabelTag(xs, style);
 629 //                                              sep = par->firstWordLyXHTML(xs, runparams);
 630                                                 closeLabelTag(xs, style);
 631                                                 xs.cr();
 632                                         }
 633                                         else if (style.labeltype != LABEL_NO_LABEL
 634                                                  && style.htmllabeltag() != "NONE") {
 635                                                 openLabelTag(xs, style);
 636                                                 xs << par->expandLabel(style, buf.params(), false);
 637                                                 closeLabelTag(xs, style);
 638                                                 xs.cr();
 639                                         }
 640                                         if (labelfirst)
 641                                                 openItemTag(xs, style);
 642                                 }
 643                                 par->simpleLyXHTMLOnePar(buf, xs, runparams,
 644                                         text.outerFont(distance(begin, par)), sep);
 645                                 ++par;
 646                                 // We may not want to close the tag yet, in particular,
 647                                 // if we're not at the end...
 648                                 if (par != pend
 649                                         //  and are doing items...
 650                                          && !isNormalEnv(style)
 651                                          // and if the depth has changed...
 652                                          && par->params().depth() != origdepth) {
 653                                          // then we'll save this layout for later, and close it when
 654                                          // we get another item.
 655                                         lastlay = &style;
 656                                 } else
 657                                         closeItemTag(xs, style);
 658                                 xs.cr();
 659                         }
 660                         // The other possibility is that the depth has increased, in which
 661                         // case we need to recurse.
 662                         else {
 663                                 send = searchEnvironmentHtml(par, pend);
 664                                 par = makeEnvironmentHtml(buf, xs, runparams, text, par, send);
 665                         }
 666                         break;
 667                 }
 668                 case LATEX_PARAGRAPH:
 669                         send = searchParagraphHtml(par, pend);
 670                         par = makeParagraphs(buf, xs, runparams, text, par, send);
 671                         break;
 672                 // Shouldn't happen
 673                 case LATEX_BIB_ENVIRONMENT:
 674                         send = par;
 675                         ++send;
 676                         par = makeParagraphs(buf, xs, runparams, text, par, send);
 677                         break;
 678                 // Shouldn't happen
 679                 case LATEX_COMMAND:
 680                         ++par;
 681                         break;
 682                 }
 683         }
 684
 685         if (lastlay != 0)
 686                 closeItemTag(xs, *lastlay);
 687         closeTag(xs, bstyle);
 688         xs.cr();
 689         return pend;
 690 }
 691
 692
 693 void makeCommand(Buffer const & buf,
 694                                           XHTMLStream & xs,
 695                                           OutputParams const & runparams,
 696                                           Text const & text,
 697                                           ParagraphList::const_iterator const & pbegin)
 698 {
 699         Layout const & style = pbegin->layout();
 700         if (!style.counter.empty())
 701                 buf.params().documentClass().counters().step(style.counter);
 702
 703         openTag(xs, style);
 704
 705         // Label around sectioning number:
 706         // FIXME Probably need to account for LABEL_MANUAL
 707         if (style.labeltype != LABEL_NO_LABEL) {
 708                 openLabelTag(xs, style);
 709                 xs << pbegin->expandLabel(style, buf.params(), false);
 710                 closeLabelTag(xs, style);
 711                 // Otherwise the label might run together with the text
 712                 xs << from_ascii(" ");
 713         }
 714
 715         ParagraphList::const_iterator const begin = text.paragraphs().begin();
 716         pbegin->simpleLyXHTMLOnePar(buf, xs, runparams,
 717                         text.outerFont(distance(begin, pbegin)));
 718         closeTag(xs, style);
 719         xs.cr();
 720 }
 721
 722 } // end anonymous namespace
 723
 724
 725 void xhtmlParagraphs(Text const & text,
 726                        Buffer const & buf,
 727                        XHTMLStream & xs,
 728                        OutputParams const & runparams)
 729 {
 730         ParagraphList const & paragraphs = text.paragraphs();
 731         ParagraphList::const_iterator par = paragraphs.begin();
 732         ParagraphList::const_iterator pend = paragraphs.end();
 733
 734         OutputParams ourparams = runparams;
 735         while (par != pend) {
 736                 Layout const & style = par->layout();
 737                 ParagraphList::const_iterator lastpar = par;
 738                 ParagraphList::const_iterator send;
 739
 740                 switch (style.latextype) {
 741                 case LATEX_COMMAND: {
 742                         // The files with which we are working never have more than
 743                         // one paragraph in a command structure.
 744                         // FIXME
 745                         // if (ourparams.html_in_par)
 746                         //   fix it so we don't get sections inside standard, e.g.
 747                         // note that we may then need to make runparams not const, so we
 748                         // can communicate that back.
 749                         // FIXME Maybe this fix should be in the routines themselves, in case
 750                         // they are called from elsewhere.
 751                         makeCommand(buf, xs, ourparams, text, par);
 752                         ++par;
 753                         break;
 754                 }
 755                 case LATEX_ENVIRONMENT:
 756                 case LATEX_LIST_ENVIRONMENT:
 757                 case LATEX_ITEM_ENVIRONMENT: {
 758                         // FIXME Same fix here.
 759                         send = searchEnvironmentHtml(par, pend);
 760                         par = makeEnvironmentHtml(buf, xs, ourparams, text, par, send);
 761                         break;
 762                 }
 763                 case LATEX_BIB_ENVIRONMENT: {
 764                         // FIXME Same fix here.
 765                         send = searchEnvironmentHtml(par, pend);
 766                         par = makeBibliography(buf, xs, ourparams, text, par, send);
 767                         break;
 768                 }
 769                 case LATEX_PARAGRAPH:
 770                         send = searchParagraphHtml(par, pend);
 771                         par = makeParagraphs(buf, xs, ourparams, text, par, send);
 772                         break;
 773                 }
 774                 // FIXME??
 775                 // makeEnvironment may process more than one paragraphs and bypass pend
 776                 if (distance(lastpar, par) >= distance(lastpar, pend))
 777                         break;
 778         }
 779 }
 780
 781
 782 } // namespace lyx