2 * \file output_latex.cpp
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
6 * \author Lars Gullik Bjønnes
8 * Full author contact details are available in file CREDITS.
13 #include "output_latex.h"
16 #include "BufferParams.h"
19 #include "InsetList.h"
23 #include "OutputParams.h"
24 #include "Paragraph.h"
25 #include "ParagraphParameters.h"
26 #include "texstream.h"
27 #include "TextClass.h"
29 #include "insets/InsetBibitem.h"
30 #include "insets/InsetArgument.h"
32 #include "frontends/alert.h"
34 #include "support/lassert.h"
35 #include "support/convert.h"
36 #include "support/debug.h"
37 #include "support/lstrings.h"
38 #include "support/lyxalgo.h"
39 #include "support/textutils.h"
40 #include "support/gettext.h"
42 #include <QThreadStorage>
48 using namespace lyx::support;
64 OutputState() : open_encoding_(none), cjk_inherited_(0),
65 prev_env_language_(0), nest_level_(0)
68 OpenEncoding open_encoding_;
70 Language const * prev_env_language_;
72 stack<int> lang_switch_depth_; // Both are always empty when
73 stack<string> open_polyglossia_lang_; // not using polyglossia
77 OutputState * getOutputState()
79 // FIXME An instance of OutputState should be kept around for each export
80 // instead of using local thread storage
81 static QThreadStorage<OutputState *> outputstate;
82 if (!outputstate.hasLocalData())
83 outputstate.setLocalData(new OutputState);
84 return outputstate.localData();
88 string const & openPolyglossiaLang(OutputState const * state)
90 // Return a reference to the last active language opened with
91 // polyglossia. If none or when using babel, return a reference
92 // to an empty string.
94 static string const empty;
96 return state->open_polyglossia_lang_.empty()
98 : state->open_polyglossia_lang_.top();
102 bool atSameLastLangSwitchDepth(OutputState const * state)
104 // Return true if the actual nest level is the same at which the
105 // language was switched when using polyglossia. Instead, return
106 // always true when using babel.
108 return state->lang_switch_depth_.size() == 0
110 : abs(state->lang_switch_depth_.top()) == state->nest_level_;
114 bool isLocalSwitch(OutputState const * state)
116 // Return true if the language was opened by the \text<lang> command.
118 return state->lang_switch_depth_.size()
119 && state->lang_switch_depth_.top() < 0;
123 bool langOpenedAtThisLevel(OutputState const * state)
125 // Return true if the language was opened at the current nesting level.
127 return state->lang_switch_depth_.size()
128 && abs(state->lang_switch_depth_.top()) == state->nest_level_;
132 string const getPolyglossiaEnvName(Language const * lang)
134 string result = lang->polyglossia();
135 if (result == "arabic")
136 // exceptional spelling; see polyglossia docs.
142 string const getPolyglossiaBegin(string const & lang_begin_command,
143 string const & lang, string const & opts)
147 result = subst(lang_begin_command, "$$lang", lang);
148 string options = opts.empty() ?
149 string() : "[" + opts + "]";
150 result = subst(result, "$$opts", options);
156 struct TeXEnvironmentData
159 Layout const * style;
160 Language const * par_language;
161 Encoding const * prev_encoding;
162 bool leftindent_open;
166 static TeXEnvironmentData prepareEnvironment(Buffer const & buf,
168 ParagraphList::const_iterator pit,
170 OutputParams const & runparams)
172 TeXEnvironmentData data;
174 BufferParams const & bparams = buf.params();
176 // FIXME This test should not be necessary.
177 // We should perhaps issue an error if it is.
178 Layout const & style = text.inset().forcePlainLayout() ?
179 bparams.documentClass().plainLayout() : pit->layout();
181 ParagraphList const & paragraphs = text.paragraphs();
182 ParagraphList::const_iterator const priorpit =
183 pit == paragraphs.begin() ? pit : prev(pit, 1);
185 OutputState * state = getOutputState();
186 bool const use_prev_env_language = state->prev_env_language_ != 0
187 && priorpit->layout().isEnvironment()
188 && (priorpit->getDepth() > pit->getDepth()
189 || (priorpit->getDepth() == pit->getDepth()
190 && priorpit->layout() != pit->layout()));
192 data.prev_encoding = runparams.encoding;
193 data.par_language = pit->getParLanguage(bparams);
194 Language const * const doc_language = bparams.language;
195 Language const * const prev_par_language =
196 (pit != paragraphs.begin())
197 ? (use_prev_env_language ? state->prev_env_language_
198 : priorpit->getParLanguage(bparams))
201 bool const use_polyglossia = runparams.use_polyglossia;
202 string const par_lang = use_polyglossia ?
203 getPolyglossiaEnvName(data.par_language) : data.par_language->babel();
204 string const prev_par_lang = use_polyglossia ?
205 getPolyglossiaEnvName(prev_par_language) : prev_par_language->babel();
206 string const doc_lang = use_polyglossia ?
207 getPolyglossiaEnvName(doc_language) : doc_language->babel();
208 string const lang_begin_command = use_polyglossia ?
209 "\\begin{$$lang}" : lyxrc.language_command_begin;
210 string const lang_end_command = use_polyglossia ?
211 "\\end{$$lang}" : lyxrc.language_command_end;
213 // For polyglossia, switch language outside of environment, if possible.
214 if (par_lang != prev_par_lang) {
215 if (!lang_end_command.empty() &&
216 prev_par_lang != doc_lang &&
217 atSameLastLangSwitchDepth(state) &&
218 !prev_par_lang.empty()) {
219 os << from_ascii(subst(
223 // the '%' is necessary to prevent unwanted whitespace
226 popPolyglossiaLang();
229 // If no language was explicitly opened and we are using
230 // polyglossia, then the current polyglossia language is
231 // the document language.
232 string const & pol_lang = use_polyglossia
233 && state->lang_switch_depth_.size()
234 ? openPolyglossiaLang(state)
237 if ((lang_end_command.empty() ||
238 par_lang != doc_lang ||
239 par_lang != pol_lang) &&
241 string bc = use_polyglossia ?
242 getPolyglossiaBegin(lang_begin_command, par_lang,
243 data.par_language->polyglossiaOpts())
244 : subst(lang_begin_command, "$$lang", par_lang);
246 // the '%' is necessary to prevent unwanted whitespace
249 pushPolyglossiaLang(par_lang);
253 data.leftindent_open = false;
254 if (!pit->params().leftIndent().zero()) {
255 os << "\\begin{LyXParagraphLeftIndent}{"
256 << from_ascii(pit->params().leftIndent().asLatexString())
258 data.leftindent_open = true;
261 if (style.isEnvironment())
262 state->nest_level_ += 1;
264 if (style.isEnvironment() && !style.latexname().empty()) {
265 os << "\\begin{" << from_ascii(style.latexname()) << '}';
266 if (!style.latexargs().empty()) {
267 OutputParams rp = runparams;
268 rp.local_font = &pit->getFirstFontSettings(bparams);
269 latexArgInsets(paragraphs, pit, os, rp, style.latexargs());
271 if (style.latextype == LATEX_LIST_ENVIRONMENT) {
273 << pit->params().labelWidthString()
275 } else if (style.labeltype == LABEL_BIBLIO) {
276 if (pit->params().labelWidthString().empty())
277 os << '{' << bibitemWidest(buf, runparams) << "}\n";
280 << pit->params().labelWidthString()
283 os << from_ascii(style.latexparam()) << '\n';
287 // in multilingual environments, the CJK tags have to be nested properly
288 data.cjk_nested = false;
289 if (data.par_language->encoding()->package() == Encoding::CJK &&
290 state->open_encoding_ != CJK && pit->isMultiLingual(bparams)) {
291 if (prev_par_language->encoding()->package() == Encoding::CJK)
292 os << "\\begin{CJK}{" << from_ascii(data.par_language->encoding()->latexName())
293 << "}{" << from_ascii(bparams.fonts_cjk) << "}%\n";
294 state->open_encoding_ = CJK;
295 data.cjk_nested = true;
301 static void finishEnvironment(otexstream & os, OutputParams const & runparams,
302 TeXEnvironmentData const & data)
304 OutputState * state = getOutputState();
305 // BufferParams const & bparams = buf.params(); // FIXME: for speedup shortcut below, would require passing of "buf" as argument
306 if (state->open_encoding_ == CJK && data.cjk_nested) {
307 // We need to close the encoding even if it does not change
308 // to do correct environment nesting
309 os << "\\end{CJK}\n";
310 state->open_encoding_ = none;
313 if (data.style->isEnvironment()) {
315 // Close any polyglossia language opened at this nest level
316 if (runparams.use_polyglossia) {
317 while (langOpenedAtThisLevel(state)) {
318 if (isLocalSwitch(state)) {
322 << openPolyglossiaLang(state)
325 popPolyglossiaLang();
328 state->nest_level_ -= 1;
329 string const & name = data.style->latexname();
331 os << "\\end{" << from_ascii(name) << "}\n";
332 state->prev_env_language_ = data.par_language;
333 if (runparams.encoding != data.prev_encoding) {
334 runparams.encoding = data.prev_encoding;
335 os << setEncoding(data.prev_encoding->iconvName());
339 if (data.leftindent_open) {
340 os << breakln << "\\end{LyXParagraphLeftIndent}\n";
341 state->prev_env_language_ = data.par_language;
342 if (runparams.encoding != data.prev_encoding) {
343 runparams.encoding = data.prev_encoding;
344 os << setEncoding(data.prev_encoding->iconvName());
348 // Check whether we should output a blank line after the environment
349 if (!data.style->nextnoindent)
354 void TeXEnvironment(Buffer const & buf, Text const & text,
355 OutputParams const & runparams,
356 pit_type & pit, otexstream & os)
358 ParagraphList const & paragraphs = text.paragraphs();
359 ParagraphList::const_iterator par = paragraphs.constIterator(pit);
360 LYXERR(Debug::LATEX, "TeXEnvironment for paragraph " << pit);
362 Layout const & current_layout = par->layout();
363 depth_type const current_depth = par->params().depth();
364 Length const & current_left_indent = par->params().leftIndent();
366 // This is for debugging purpose at the end.
367 pit_type const par_begin = pit;
368 for (; pit < runparams.par_end; ++pit) {
369 ParagraphList::const_iterator par = paragraphs.constIterator(pit);
371 // check first if this is an higher depth paragraph.
372 bool go_out = (par->params().depth() < current_depth);
373 if (par->params().depth() == current_depth) {
374 // This environment is finished.
375 go_out |= (par->layout() != current_layout);
376 go_out |= (par->params().leftIndent() != current_left_indent);
379 // nothing to do here, restore pit and go out.
384 if (par->layout() == current_layout
385 && par->params().depth() == current_depth
386 && par->params().leftIndent() == current_left_indent) {
387 // We are still in the same environment so TeXOnePar and continue;
388 TeXOnePar(buf, text, pit, os, runparams);
392 // We are now in a deeper environment.
393 // Either par->layout() != current_layout
394 // Or par->params().depth() > current_depth
395 // Or par->params().leftIndent() != current_left_indent)
397 // FIXME This test should not be necessary.
398 // We should perhaps issue an error if it is.
399 bool const force_plain_layout = text.inset().forcePlainLayout();
400 Layout const & style = force_plain_layout
401 ? buf.params().documentClass().plainLayout()
404 if (!style.isEnvironment()) {
405 // This is a standard paragraph, no need to call TeXEnvironment.
406 TeXOnePar(buf, text, pit, os, runparams);
410 // This is a new environment.
411 TeXEnvironmentData const data =
412 prepareEnvironment(buf, text, par, os, runparams);
413 // Recursive call to TeXEnvironment!
414 TeXEnvironment(buf, text, runparams, pit, os);
415 finishEnvironment(os, runparams, data);
418 if (pit != runparams.par_end)
419 LYXERR(Debug::LATEX, "TeXEnvironment for paragraph " << par_begin << " done.");
423 void getArgInsets(otexstream & os, OutputParams const & runparams, Layout::LaTeXArgMap const & latexargs,
424 map<int, lyx::InsetArgument const *> ilist, vector<string> required, string const & prefix)
426 unsigned int const argnr = latexargs.size();
430 // Default and preset args are always output, so if they require
431 // other arguments, consider this.
432 Layout::LaTeXArgMap::const_iterator lit = latexargs.begin();
433 Layout::LaTeXArgMap::const_iterator const lend = latexargs.end();
434 for (; lit != lend; ++lit) {
435 Layout::latexarg arg = (*lit).second;
436 if ((!arg.presetarg.empty() || !arg.defaultarg.empty()) && !arg.requires.empty()) {
437 vector<string> req = getVectorFromString(arg.requires);
438 required.insert(required.end(), req.begin(), req.end());
442 for (unsigned int i = 1; i <= argnr; ++i) {
443 map<int, InsetArgument const *>::const_iterator lit = ilist.find(i);
444 bool inserted = false;
445 if (lit != ilist.end()) {
446 InsetArgument const * ins = (*lit).second;
448 Layout::LaTeXArgMap::const_iterator const lait =
449 latexargs.find(ins->name());
450 if (lait != latexargs.end()) {
451 Layout::latexarg arg = (*lait).second;
452 docstring ldelim = arg.mandatory ?
453 from_ascii("{") : from_ascii("[");
454 docstring rdelim = arg.mandatory ?
455 from_ascii("}") : from_ascii("]");
456 if (!arg.ldelim.empty())
458 if (!arg.rdelim.empty())
460 ins->latexArgument(os, runparams, ldelim, rdelim, arg.presetarg);
466 Layout::LaTeXArgMap::const_iterator lait = latexargs.begin();
467 Layout::LaTeXArgMap::const_iterator const laend = latexargs.end();
468 for (; lait != laend; ++lait) {
469 string const name = prefix + convert<string>(i);
470 if ((*lait).first == name) {
471 Layout::latexarg arg = (*lait).second;
472 docstring preset = arg.presetarg;
473 if (!arg.defaultarg.empty()) {
476 preset += arg.defaultarg;
479 docstring ldelim = arg.ldelim.empty() ?
480 from_ascii("{") : arg.ldelim;
481 docstring rdelim = arg.rdelim.empty() ?
482 from_ascii("}") : arg.rdelim;
483 os << ldelim << preset << rdelim;
484 } else if (!preset.empty()) {
485 docstring ldelim = arg.ldelim.empty() ?
486 from_ascii("[") : arg.ldelim;
487 docstring rdelim = arg.rdelim.empty() ?
488 from_ascii("]") : arg.rdelim;
489 os << ldelim << preset << rdelim;
490 } else if (find(required.begin(), required.end(),
491 (*lait).first) != required.end()) {
492 docstring ldelim = arg.ldelim.empty() ?
493 from_ascii("[") : arg.ldelim;
494 docstring rdelim = arg.rdelim.empty() ?
495 from_ascii("]") : arg.rdelim;
496 os << ldelim << rdelim;
509 void pushPolyglossiaLang(string const & lang_name, bool localswitch)
511 OutputState * state = getOutputState();
513 int nest_level = localswitch ? -state->nest_level_ : state->nest_level_;
514 state->lang_switch_depth_.push(nest_level);
515 state->open_polyglossia_lang_.push(lang_name);
519 void popPolyglossiaLang()
521 OutputState * state = getOutputState();
523 state->lang_switch_depth_.pop();
524 state->open_polyglossia_lang_.pop();
528 void latexArgInsets(Paragraph const & par, otexstream & os,
529 OutputParams const & runparams, Layout::LaTeXArgMap const & latexargs, string const & prefix)
531 map<int, InsetArgument const *> ilist;
532 vector<string> required;
534 InsetList::const_iterator it = par.insetList().begin();
535 InsetList::const_iterator end = par.insetList().end();
536 for (; it != end; ++it) {
537 if (it->inset->lyxCode() == ARG_CODE) {
538 InsetArgument const * ins =
539 static_cast<InsetArgument const *>(it->inset);
540 if (ins->name().empty())
541 LYXERR0("Error: Unnamed argument inset!");
543 string const name = prefix.empty() ? ins->name() : split(ins->name(), ':');
544 unsigned int const nr = convert<unsigned int>(name);
546 Layout::LaTeXArgMap::const_iterator const lit =
547 latexargs.find(ins->name());
548 if (lit != latexargs.end()) {
549 Layout::latexarg const & arg = (*lit).second;
550 if (!arg.requires.empty()) {
551 vector<string> req = getVectorFromString(arg.requires);
552 required.insert(required.end(), req.begin(), req.end());
558 getArgInsets(os, runparams, latexargs, ilist, required, prefix);
562 void latexArgInsets(ParagraphList const & pars, ParagraphList::const_iterator pit,
563 otexstream & os, OutputParams const & runparams, Layout::LaTeXArgMap const & latexargs,
564 string const & prefix)
566 map<int, InsetArgument const *> ilist;
567 vector<string> required;
569 depth_type const current_depth = pit->params().depth();
570 Layout const current_layout = pit->layout();
572 // get the first paragraph in sequence with this layout and depth
575 if (lyx::prev(pit, offset) == pars.begin())
577 ParagraphList::const_iterator priorpit = lyx::prev(pit, offset + 1);
578 if (priorpit->layout() == current_layout
579 && priorpit->params().depth() == current_depth)
585 ParagraphList::const_iterator spit = lyx::prev(pit, offset);
587 for (; spit != pars.end(); ++spit) {
588 if (spit->layout() != current_layout || spit->params().depth() < current_depth)
590 if (spit->params().depth() > current_depth)
592 InsetList::const_iterator it = spit->insetList().begin();
593 InsetList::const_iterator end = spit->insetList().end();
594 for (; it != end; ++it) {
595 if (it->inset->lyxCode() == ARG_CODE) {
596 InsetArgument const * ins =
597 static_cast<InsetArgument const *>(it->inset);
598 if (ins->name().empty())
599 LYXERR0("Error: Unnamed argument inset!");
601 string const name = prefix.empty() ? ins->name() : split(ins->name(), ':');
602 unsigned int const nr = convert<unsigned int>(name);
603 if (ilist.find(nr) == ilist.end())
605 Layout::LaTeXArgMap::const_iterator const lit =
606 latexargs.find(ins->name());
607 if (lit != latexargs.end()) {
608 Layout::latexarg const & arg = (*lit).second;
609 if (!arg.requires.empty()) {
610 vector<string> req = getVectorFromString(arg.requires);
611 required.insert(required.end(), req.begin(), req.end());
618 getArgInsets(os, runparams, latexargs, ilist, required, prefix);
623 // output the proper paragraph start according to latextype.
624 void parStartCommand(Paragraph const & par, otexstream & os,
625 OutputParams const & runparams, Layout const & style)
627 switch (style.latextype) {
629 os << '\\' << from_ascii(style.latexname());
632 if (!style.latexargs().empty())
633 latexArgInsets(par, os, runparams, style.latexargs());
634 os << from_ascii(style.latexparam());
636 case LATEX_ITEM_ENVIRONMENT:
637 case LATEX_LIST_ENVIRONMENT:
638 os << "\\" + style.itemcommand();
640 if (!style.itemargs().empty())
641 latexArgInsets(par, os, runparams, style.itemargs(), "item:");
644 case LATEX_BIB_ENVIRONMENT:
645 // ignore this, the inset will write itself
654 // FIXME: this should be anonymous
655 void TeXOnePar(Buffer const & buf,
659 OutputParams const & runparams_in,
660 string const & everypar,
661 int start_pos, int end_pos)
663 BufferParams const & bparams = runparams_in.is_child
664 ? buf.masterParams() : buf.params();
665 ParagraphList const & paragraphs = text.paragraphs();
666 Paragraph const & par = paragraphs.at(pit);
667 // FIXME This check should not really be needed.
668 // Perhaps we should issue an error if it is.
669 Layout const & style = text.inset().forcePlainLayout() ?
670 bparams.documentClass().plainLayout() : par.layout();
672 if (style.inpreamble)
675 LYXERR(Debug::LATEX, "TeXOnePar for paragraph " << pit << " ptr " << &par << " '"
678 OutputParams runparams = runparams_in;
679 runparams.isLastPar = (pit == pit_type(paragraphs.size() - 1));
680 // We reinitialze par begin and end to be on the safe side
681 // with embedded inset as we don't know if they set those
683 runparams.par_begin = 0;
684 runparams.par_end = 0;
686 bool const maintext = text.isMainText();
687 // we are at the beginning of an inset and CJK is already open;
688 // we count inheritation levels to get the inset nesting right.
689 OutputState * state = getOutputState();
690 if (pit == 0 && !maintext
691 && (state->cjk_inherited_ > 0 || state->open_encoding_ == CJK)) {
692 state->cjk_inherited_ += 1;
693 state->open_encoding_ = none;
696 if (text.inset().isPassThru()) {
697 Font const outerfont = text.outerFont(pit);
699 // No newline before first paragraph in this lyxtext
702 if (!text.inset().getLayout().parbreakIsNewline())
706 par.latex(bparams, outerfont, os, runparams, start_pos, end_pos);
710 Paragraph const * nextpar = runparams.isLastPar
711 ? 0 : ¶graphs.at(pit + 1);
713 if (style.pass_thru) {
714 Font const outerfont = text.outerFont(pit);
715 parStartCommand(par, os, runparams, style);
717 par.latex(bparams, outerfont, os, runparams, start_pos, end_pos);
719 // I did not create a parEndCommand for this minuscule
720 // task because in the other user of parStartCommand
721 // the code is different (JMarc)
722 if (style.isCommand())
726 if (!style.parbreak_is_newline) {
728 } else if (nextpar && !style.isEnvironment()) {
729 Layout const nextstyle = text.inset().forcePlainLayout()
730 ? bparams.documentClass().plainLayout()
732 if (nextstyle.name() != style.name())
739 // This paragraph's language
740 Language const * const par_language = par.getParLanguage(bparams);
741 Language const * const nextpar_language = nextpar ?
742 nextpar->getParLanguage(bparams) : 0;
743 // The document's language
744 Language const * const doc_language = bparams.language;
745 // The language that was in effect when the environment this paragraph is
746 // inside of was opened
747 Language const * const outer_language =
748 (runparams.local_font != 0) ?
749 runparams.local_font->language() : doc_language;
751 Paragraph const * priorpar = (pit == 0) ? 0 : ¶graphs.at(pit - 1);
753 // The previous language that was in effect is the language of the
754 // previous paragraph, unless the previous paragraph is inside an
755 // environment with nesting depth greater than (or equal to, but with
756 // a different layout) the current one. If there is no previous
757 // paragraph, the previous language is the outer language.
758 bool const use_prev_env_language = state->prev_env_language_ != 0
760 && priorpar->layout().isEnvironment()
761 && (priorpar->getDepth() > par.getDepth()
762 || (priorpar->getDepth() == par.getDepth()
763 && priorpar->layout() != par.layout()));
764 Language const * const prev_language =
766 ? (use_prev_env_language ? state->prev_env_language_
767 : priorpar->getParLanguage(bparams))
771 bool const use_polyglossia = runparams.use_polyglossia;
772 string const par_lang = use_polyglossia ?
773 getPolyglossiaEnvName(par_language): par_language->babel();
774 string const prev_lang = use_polyglossia ?
775 getPolyglossiaEnvName(prev_language) : prev_language->babel();
776 string const outer_lang = use_polyglossia ?
777 getPolyglossiaEnvName(outer_language) : outer_language->babel();
778 string const nextpar_lang = nextpar_language ? (use_polyglossia ?
779 getPolyglossiaEnvName(nextpar_language) :
780 nextpar_language->babel()) : string();
781 string lang_begin_command = use_polyglossia ?
782 "\\begin{$$lang}$$opts" : lyxrc.language_command_begin;
783 string lang_end_command = use_polyglossia ?
784 "\\end{$$lang}" : lyxrc.language_command_end;
785 // the '%' is necessary to prevent unwanted whitespace
786 string lang_command_termination = "%\n";
788 // In some insets (such as Arguments), we cannot use \selectlanguage
789 bool const localswitch = text.inset().forceLocalFontSwitch()
790 || (use_polyglossia && text.inset().forcePlainLayout());
792 lang_begin_command = use_polyglossia ?
793 "\\text$$lang$$opts{" : lyxrc.language_command_local;
794 lang_end_command = "}";
795 lang_command_termination.clear();
798 if (par_lang != prev_lang
799 // check if we already put language command in TeXEnvironment()
800 && !(style.isEnvironment()
801 && (pit == 0 || (priorpar->layout() != par.layout()
802 && priorpar->getDepth() <= par.getDepth())
803 || priorpar->getDepth() < par.getDepth())))
805 if (!lang_end_command.empty() &&
806 prev_lang != outer_lang &&
807 !prev_lang.empty() &&
808 (!use_polyglossia || !style.isEnvironment()))
810 os << from_ascii(subst(lang_end_command,
813 << lang_command_termination;
815 popPolyglossiaLang();
818 // We need to open a new language if we couldn't close the previous
819 // one (because there's no language_command_end); and even if we closed
820 // the previous one, if the current language is different than the
821 // outer_language (which is currently in effect once the previous one
823 if ((lang_end_command.empty() || par_lang != outer_lang
825 || (style.isEnvironment() && par_lang != prev_lang)))
826 && !par_lang.empty()) {
827 // If we're inside an inset, and that inset is within an \L or \R
828 // (or equivalents), then within the inset, too, any opposite
829 // language paragraph should appear within an \L or \R (in addition
830 // to, outside of, the normal language switch commands).
831 // This behavior is not correct for ArabTeX, though.
834 && par_language->lang() != "arabic_arabtex"
835 && outer_language->lang() != "arabic_arabtex"
836 // are we in an inset?
837 && runparams.local_font != 0
838 // is the inset within an \L or \R?
840 // FIXME: currently, we don't check this; this means that
841 // we'll have unnnecessary \L and \R commands, but that
842 // doesn't seem to hurt (though latex will complain)
844 // is this paragraph in the opposite direction?
845 && runparams.local_font->isRightToLeft() != par_language->rightToLeft()) {
846 // FIXME: I don't have a working copy of the Arabi package, so
847 // I'm not sure if the farsi and arabic_arabi stuff is correct
849 if (par_language->lang() == "farsi")
851 else if (outer_language->lang() == "farsi")
853 else if (par_language->lang() == "arabic_arabi")
855 else if (outer_language->lang() == "arabic_arabi")
857 // remaining RTL languages currently is hebrew
858 else if (par_language->rightToLeft())
863 // With CJK, the CJK tag has to be closed first (see below)
864 if (runparams.encoding->package() != Encoding::CJK
865 && par_lang != openPolyglossiaLang(state)
866 && !par_lang.empty()) {
867 string bc = use_polyglossia ?
868 getPolyglossiaBegin(lang_begin_command, par_lang, par_language->polyglossiaOpts())
869 : subst(lang_begin_command, "$$lang", par_lang);
871 os << lang_command_termination;
873 pushPolyglossiaLang(par_lang, localswitch);
878 // Switch file encoding if necessary; no need to do this for "default"
879 // encoding, since this only affects the position of the outputted
880 // \inputencoding command; the encoding switch will occur when necessary
881 if (bparams.inputenc == "auto"
882 && !runparams.isFullUnicode() // Xe/LuaTeX use one document-wide encoding (see also switchEncoding())
883 && runparams.encoding->package() != Encoding::none) {
884 // Look ahead for future encoding changes.
885 // We try to output them at the beginning of the paragraph,
886 // since the \inputencoding command is not allowed e.g. in
887 // sections. For this reason we only set runparams.moving_arg
888 // after checking for the encoding change, otherwise the
889 // change would be always avoided by switchEncoding().
890 for (pos_type i = 0; i < par.size(); ++i) {
891 char_type const c = par.getChar(i);
892 Encoding const * const encoding =
893 par.getFontSettings(bparams, i).language()->encoding();
894 if (encoding->package() != Encoding::CJK
895 && runparams.encoding->package() == Encoding::inputenc
900 // All characters before c are in the ASCII range, and
901 // c is non-ASCII (but no inset), so change the
902 // encoding to that required by the language of c.
903 // With CJK, only add switch if we have CJK content at the beginning
905 if (i != 0 && encoding->package() == Encoding::CJK)
908 pair<bool, int> enc_switch = switchEncoding(os.os(),
909 bparams, runparams, *encoding);
910 // the following is necessary after a CJK environment in a multilingual
911 // context (nesting issue).
912 if (par_language->encoding()->package() == Encoding::CJK
913 && state->open_encoding_ != CJK && state->cjk_inherited_ == 0) {
914 os << "\\begin{CJK}{" << from_ascii(par_language->encoding()->latexName())
915 << "}{" << from_ascii(bparams.fonts_cjk) << "}%\n";
916 state->open_encoding_ = CJK;
918 if (encoding->package() != Encoding::none && enc_switch.first) {
919 if (enc_switch.second > 0) {
920 // the '%' is necessary to prevent unwanted whitespace
923 // With CJK, the CJK tag had to be closed first (see above)
924 if (runparams.encoding->package() == Encoding::CJK
925 && par_lang != openPolyglossiaLang(state)
926 && !par_lang.empty()) {
927 os << from_ascii(subst(
931 << lang_command_termination;
933 pushPolyglossiaLang(par_lang, localswitch);
935 runparams.encoding = encoding;
941 runparams.moving_arg |= style.needprotect;
942 Encoding const * const prev_encoding = runparams.encoding;
944 bool const useSetSpace = bparams.documentClass().provides("SetSpace");
945 if (par.allowParagraphCustomization()) {
946 if (par.params().startOfAppendix()) {
947 os << "\n\\appendix\n";
950 if (!par.params().spacing().isDefault()
951 && (pit == 0 || !priorpar->hasSameLayout(par)))
953 os << from_ascii(par.params().spacing().writeEnvirBegin(useSetSpace))
957 if (style.isCommand()) {
962 parStartCommand(par, os, runparams, style);
963 Font const outerfont = text.outerFont(pit);
966 os << from_utf8(everypar);
967 par.latex(bparams, outerfont, os, runparams, start_pos, end_pos);
969 // Make sure that \\par is done with the font of the last
970 // character if this has another size as the default.
971 // This is necessary because LaTeX (and LyX on the screen)
972 // calculates the space between the baselines according
973 // to this font. (Matthias)
975 // We must not change the font for the last paragraph
976 // of non-multipar insets, tabular cells or commands,
977 // since this produces unwanted whitespace.
979 Font const font = par.empty()
980 ? par.getLayoutFont(bparams, outerfont)
981 : par.getFont(bparams, par.size() - 1, outerfont);
983 bool const is_command = style.isCommand();
985 if (style.resfont.size() != font.fontInfo().size()
986 && (nextpar || maintext
987 || (text.inset().paragraphs().size() > 1
988 && text.inset().lyxCode() != CELL_CODE))
991 os << "\\" << from_ascii(font.latexSize()) << " \\par}";
992 } else if (is_command) {
994 if (!style.postcommandargs().empty())
995 latexArgInsets(par, os, runparams, style.postcommandargs(), "post:");
996 if (runparams.encoding != prev_encoding) {
997 runparams.encoding = prev_encoding;
998 os << setEncoding(prev_encoding->iconvName());
1002 bool pending_newline = false;
1003 bool unskip_newline = false;
1004 bool close_lang_switch = false;
1005 switch (style.latextype) {
1006 case LATEX_ITEM_ENVIRONMENT:
1007 case LATEX_LIST_ENVIRONMENT:
1008 if ((nextpar && par_lang != nextpar_lang
1009 && nextpar->getDepth() == par.getDepth())
1010 || (atSameLastLangSwitchDepth(state) && nextpar
1011 && nextpar->getDepth() < par.getDepth()))
1012 close_lang_switch = use_polyglossia;
1013 if (nextpar && par.params().depth() < nextpar->params().depth())
1014 pending_newline = true;
1016 case LATEX_ENVIRONMENT: {
1017 // if its the last paragraph of the current environment
1018 // skip it otherwise fall through
1020 && ((nextpar->layout() != par.layout()
1021 || nextpar->params().depth() != par.params().depth())
1022 || (!use_polyglossia || par_lang != nextpar_lang)))
1024 close_lang_switch = use_polyglossia;
1029 // fall through possible
1031 // we don't need it for the last paragraph!!!
1033 pending_newline = true;
1036 if (par.allowParagraphCustomization()) {
1037 if (!par.params().spacing().isDefault()
1038 && (runparams.isLastPar || !nextpar->hasSameLayout(par))) {
1039 if (pending_newline)
1042 string const endtag =
1043 par.params().spacing().writeEnvirEnd(useSetSpace);
1044 if (prefixIs(endtag, "\\end{"))
1047 os << from_ascii(endtag);
1048 pending_newline = true;
1052 // Closing the language is needed for the last paragraph; it is also
1053 // needed if we're within an \L or \R that we may have opened above (not
1054 // necessarily in this paragraph) and are about to close.
1055 bool closing_rtl_ltr_environment = !use_polyglossia
1057 && (par_language->lang() != "arabic_arabtex"
1058 && outer_language->lang() != "arabic_arabtex")
1059 // have we opened an \L or \R environment?
1060 && runparams.local_font != 0
1061 && runparams.local_font->isRightToLeft() != par_language->rightToLeft()
1062 // are we about to close the language?
1063 &&((nextpar && par_lang != nextpar_lang)
1064 || (runparams.isLastPar && par_lang != outer_lang));
1066 if (closing_rtl_ltr_environment
1067 || ((runparams.isLastPar || close_lang_switch)
1068 && (par_lang != outer_lang || (use_polyglossia
1069 && style.isEnvironment()
1070 && par_lang != nextpar_lang)))) {
1071 // Since \selectlanguage write the language to the aux file,
1072 // we need to reset the language at the end of footnote or
1075 if (pending_newline || close_lang_switch)
1078 // when the paragraph uses CJK, the language has to be closed earlier
1079 if (font.language()->encoding()->package() != Encoding::CJK) {
1080 if (lang_end_command.empty()) {
1081 // If this is a child, we should restore the
1082 // master language after the last paragraph.
1083 Language const * const current_language =
1084 (runparams.isLastPar && runparams.master_language)
1085 ? runparams.master_language
1087 string const current_lang = use_polyglossia
1088 ? getPolyglossiaEnvName(current_language)
1089 : current_language->babel();
1090 if (!current_lang.empty()
1091 && current_lang != openPolyglossiaLang(state)) {
1092 string bc = use_polyglossia ?
1093 getPolyglossiaBegin(lang_begin_command, current_lang,
1094 current_language->polyglossiaOpts())
1095 : subst(lang_begin_command, "$$lang", current_lang);
1097 pending_newline = !localswitch;
1098 unskip_newline = !localswitch;
1099 if (use_polyglossia)
1100 pushPolyglossiaLang(current_lang, localswitch);
1102 } else if (!par_lang.empty()) {
1103 // If we are in an environment, we have to close the "outer" language afterwards
1104 string const & pol_lang = openPolyglossiaLang(state);
1105 if (!style.isEnvironment()
1106 || (close_lang_switch
1107 && atSameLastLangSwitchDepth(state)
1108 && par_lang != outer_lang
1109 && (par_lang != pol_lang
1110 || (pol_lang != outer_lang
1112 && style != nextpar->layout())))
1113 || (atSameLastLangSwitchDepth(state)
1114 && state->lang_switch_depth_.size()
1115 && pol_lang != par_lang))
1117 if (use_polyglossia && !localswitch)
1119 os << from_ascii(subst(
1123 pending_newline = !localswitch;
1124 unskip_newline = !localswitch;
1125 if (use_polyglossia)
1126 popPolyglossiaLang();
1131 if (closing_rtl_ltr_environment)
1134 bool const last_was_separator =
1135 par.size() > 0 && par.isEnvSeparator(par.size() - 1);
1137 if (pending_newline) {
1139 // prevent unwanted whitespace
1141 if (!os.afterParbreak() && !last_was_separator)
1145 // if this is a CJK-paragraph and the next isn't, close CJK
1146 // also if the next paragraph is a multilingual environment (because of nesting)
1148 && state->open_encoding_ == CJK
1149 && (nextpar_language->encoding()->package() != Encoding::CJK
1150 || (nextpar->layout().isEnvironment() && nextpar->isMultiLingual(bparams)))
1151 // inbetween environments, CJK has to be closed later (nesting!)
1152 && (!style.isEnvironment() || !nextpar->layout().isEnvironment())) {
1153 os << "\\end{CJK}\n";
1154 state->open_encoding_ = none;
1157 // If this is the last paragraph, close the CJK environment
1158 // if necessary. If it's an environment, we'll have to \end that first.
1159 if (runparams.isLastPar && !style.isEnvironment()) {
1160 switch (state->open_encoding_) {
1162 // do nothing at the end of child documents
1163 if (maintext && buf.masterBuffer() != &buf)
1167 os << "\n\\end{CJK}\n";
1171 state->open_encoding_ = none;
1176 state->open_encoding_ = none;
1186 // If this is the last paragraph, and a local_font was set upon entering
1187 // the inset, and we're using "auto" or "default" encoding, and not
1188 // compiling with XeTeX or LuaTeX, the encoding
1189 // should be set back to that local_font's encoding.
1190 if (runparams.isLastPar && runparams_in.local_font != 0
1191 && runparams_in.encoding != runparams_in.local_font->language()->encoding()
1192 && (bparams.inputenc == "auto" || bparams.inputenc == "default")
1193 && !runparams.isFullUnicode()
1195 runparams_in.encoding = runparams_in.local_font->language()->encoding();
1196 os << setEncoding(runparams_in.encoding->iconvName());
1198 // Otherwise, the current encoding should be set for the next paragraph.
1200 runparams_in.encoding = runparams.encoding;
1203 // we don't need a newline for the last paragraph!!!
1204 // Note from JMarc: we will re-add a \n explicitly in
1205 // TeXEnvironment, because it is needed in this case
1206 if (nextpar && !os.afterParbreak() && !last_was_separator) {
1207 // Make sure to start a new line
1209 Layout const & next_layout = nextpar->layout();
1210 // A newline '\n' is always output before a command,
1211 // so avoid doubling it.
1212 if (!next_layout.isCommand()) {
1213 // Here we now try to avoid spurious empty lines by
1214 // outputting a paragraph break only if: (case 1) the
1215 // paragraph style allows parbreaks and no \begin, \end
1216 // or \item tags are going to follow (i.e., if the next
1217 // isn't the first or the current isn't the last
1218 // paragraph of an environment or itemize) and the
1219 // depth and alignment of the following paragraph is
1220 // unchanged, or (case 2) the following is a
1221 // non-environment paragraph whose depth is increased
1222 // but whose alignment is unchanged, or (case 3) the
1223 // paragraph is not an environment and the next one is a
1224 // non-itemize-like env at lower depth, or (case 4) the
1225 // paragraph is a command not followed by an environment
1226 // and the alignment of the current and next paragraph
1227 // is unchanged, or (case 5) the current alignment is
1228 // changed and a standard paragraph follows.
1229 DocumentClass const & tclass = bparams.documentClass();
1230 if ((style == next_layout
1231 && !style.parbreak_is_newline
1232 && !text.inset().getLayout().parbreakIsNewline()
1233 && style.latextype != LATEX_ITEM_ENVIRONMENT
1234 && style.latextype != LATEX_LIST_ENVIRONMENT
1235 && style.align == par.getAlign()
1236 && nextpar->getDepth() == par.getDepth()
1237 && nextpar->getAlign() == par.getAlign())
1238 || (!next_layout.isEnvironment()
1239 && nextpar->getDepth() > par.getDepth()
1240 && nextpar->getAlign() == par.getAlign())
1241 || (!style.isEnvironment()
1242 && next_layout.latextype == LATEX_ENVIRONMENT
1243 && nextpar->getDepth() < par.getDepth())
1244 || (style.isCommand()
1245 && !next_layout.isEnvironment()
1246 && style.align == par.getAlign()
1247 && next_layout.align == nextpar->getAlign())
1248 || (style.align != par.getAlign()
1249 && tclass.isDefaultLayout(next_layout))) {
1255 LYXERR(Debug::LATEX, "TeXOnePar for paragraph " << pit << " done; ptr "
1256 << &par << " next " << nextpar);
1262 // LaTeX all paragraphs
1263 void latexParagraphs(Buffer const & buf,
1266 OutputParams const & runparams,
1267 string const & everypar)
1269 LASSERT(runparams.par_begin <= runparams.par_end,
1270 { os << "% LaTeX Output Error\n"; return; } );
1272 BufferParams const & bparams = buf.params();
1273 BufferParams const & mparams = buf.masterParams();
1275 bool const maintext = text.isMainText();
1276 bool const is_child = buf.masterBuffer() != &buf;
1277 bool const multibib_child = maintext && is_child
1278 && mparams.multibib == "child";
1280 if (multibib_child && mparams.useBiblatex())
1281 os << "\\newrefsection";
1282 else if (multibib_child && mparams.useBibtopic()) {
1283 os << "\\begin{btUnit}\n";
1284 runparams.openbtUnit = true;
1287 // Open a CJK environment at the beginning of the main buffer
1288 // if the document's language is a CJK language
1289 // (but not in child documents)
1290 OutputState * state = getOutputState();
1291 if (maintext && !is_child
1292 && bparams.encoding().package() == Encoding::CJK) {
1293 os << "\\begin{CJK}{" << from_ascii(bparams.encoding().latexName())
1294 << "}{" << from_ascii(bparams.fonts_cjk) << "}%\n";
1295 state->open_encoding_ = CJK;
1297 // if "auto begin" is switched off, explicitly switch the
1298 // language on at start
1299 string const mainlang = runparams.use_polyglossia
1300 ? getPolyglossiaEnvName(bparams.language)
1301 : bparams.language->babel();
1302 string const lang_begin_command = runparams.use_polyglossia ?
1303 "\\begin{$$lang}$$opts" : lyxrc.language_command_begin;
1305 if (maintext && !lyxrc.language_auto_begin &&
1306 !mainlang.empty()) {
1308 string bc = runparams.use_polyglossia ?
1309 getPolyglossiaBegin(lang_begin_command, mainlang,
1310 bparams.language->polyglossiaOpts())
1311 : subst(lang_begin_command, "$$lang", mainlang);
1314 if (runparams.use_polyglossia)
1315 pushPolyglossiaLang(mainlang);
1318 ParagraphList const & paragraphs = text.paragraphs();
1320 if (runparams.par_begin == runparams.par_end) {
1321 // The full doc will be exported but it is easier to just rely on
1322 // runparams range parameters that will be passed TeXEnvironment.
1323 runparams.par_begin = 0;
1324 runparams.par_end = paragraphs.size();
1327 pit_type pit = runparams.par_begin;
1328 // lastpit is for the language check after the loop.
1329 pit_type lastpit = pit;
1330 // variables used in the loop:
1331 bool was_title = false;
1332 bool already_title = false;
1333 DocumentClass const & tclass = bparams.documentClass();
1335 // Did we already warn about inTitle layout mixing? (we only warn once)
1336 bool gave_layout_warning = false;
1337 for (; pit < runparams.par_end; ++pit) {
1339 ParagraphList::const_iterator par = paragraphs.constIterator(pit);
1341 // FIXME This check should not be needed. We should
1342 // perhaps issue an error if it is.
1343 Layout const & layout = text.inset().forcePlainLayout() ?
1344 tclass.plainLayout() : par->layout();
1346 if (layout.intitle) {
1347 if (already_title) {
1348 if (!gave_layout_warning && !runparams.dryrun) {
1349 gave_layout_warning = true;
1350 frontend::Alert::warning(_("Error in latexParagraphs"),
1351 bformat(_("You are using at least one "
1352 "layout (%1$s) intended for the title, "
1353 "after using non-title layouts. This "
1354 "could lead to missing or incorrect output."
1357 } else if (!was_title) {
1359 if (tclass.titletype() == TITLE_ENVIRONMENT) {
1361 << from_ascii(tclass.titlename())
1365 } else if (was_title && !already_title && !layout.inpreamble) {
1366 if (tclass.titletype() == TITLE_ENVIRONMENT) {
1367 os << "\\end{" << from_ascii(tclass.titlename())
1371 os << "\\" << from_ascii(tclass.titlename())
1374 already_title = true;
1378 if (layout.isCommand() && !layout.latexname().empty()
1379 && layout.latexname() == bparams.multibib) {
1380 if (runparams.openbtUnit)
1381 os << "\\end{btUnit}\n";
1382 if (!bparams.useBiblatex()) {
1383 os << '\n' << "\\begin{btUnit}\n";
1384 runparams.openbtUnit = true;
1388 if (!layout.isEnvironment() && par->params().leftIndent().zero()) {
1389 // This is a standard top level paragraph, TeX it and continue.
1390 TeXOnePar(buf, text, pit, os, runparams, everypar);
1394 TeXEnvironmentData const data =
1395 prepareEnvironment(buf, text, par, os, runparams);
1396 // pit can be changed in TeXEnvironment.
1397 TeXEnvironment(buf, text, runparams, pit, os);
1398 finishEnvironment(os, runparams, data);
1401 if (pit == runparams.par_end) {
1402 // Make sure that the last paragraph is
1403 // correctly terminated (because TeXOnePar does
1404 // not add a \n in this case)
1408 // It might be that we only have a title in this document
1409 if (was_title && !already_title) {
1410 if (tclass.titletype() == TITLE_ENVIRONMENT) {
1411 os << "\\end{" << from_ascii(tclass.titlename())
1414 os << "\\" << from_ascii(tclass.titlename())
1419 if (maintext && !is_child && runparams.openbtUnit)
1420 os << "\\end{btUnit}\n";
1422 // if "auto end" is switched off, explicitly close the language at the end
1423 // but only if the last par is in a babel or polyglossia language
1424 string const lang_end_command = runparams.use_polyglossia ?
1425 "\\end{$$lang}" : lyxrc.language_command_end;
1426 if (maintext && !lyxrc.language_auto_end && !mainlang.empty() &&
1427 paragraphs.at(lastpit).getParLanguage(bparams)->encoding()->package() != Encoding::CJK) {
1428 os << from_utf8(subst(lang_end_command,
1432 if (runparams.use_polyglossia)
1433 popPolyglossiaLang();
1436 // If the last paragraph is an environment, we'll have to close
1437 // CJK at the very end to do proper nesting.
1438 if (maintext && !is_child && state->open_encoding_ == CJK) {
1439 os << "\\end{CJK}\n";
1440 state->open_encoding_ = none;
1442 // Likewise for polyglossia
1443 string const & pol_lang = openPolyglossiaLang(state);
1444 if (maintext && !is_child && !pol_lang.empty()) {
1445 os << from_utf8(subst(lang_end_command,
1449 if (runparams.use_polyglossia)
1450 popPolyglossiaLang();
1453 // reset inherited encoding
1454 if (state->cjk_inherited_ > 0) {
1455 state->cjk_inherited_ -= 1;
1456 if (state->cjk_inherited_ == 0)
1457 state->open_encoding_ = CJK;
1460 if (multibib_child && mparams.useBibtopic()) {
1461 os << "\\end{btUnit}\n";
1462 runparams.openbtUnit = false;
1467 pair<bool, int> switchEncoding(odocstream & os, BufferParams const & bparams,
1468 OutputParams const & runparams, Encoding const & newEnc,
1471 // XeTeX/LuaTeX use only one encoding per document:
1472 // * with useNonTeXFonts: "utf8plain",
1473 // * with XeTeX and TeX fonts: "ascii" (inputenc fails),
1474 // * with LuaTeX and TeX fonts: only one encoding accepted by luainputenc.
1475 if (runparams.isFullUnicode())
1476 return make_pair(false, 0);
1478 Encoding const & oldEnc = *runparams.encoding;
1479 bool moving_arg = runparams.moving_arg;
1480 // If we switch from/to CJK, we need to switch anyway, despite custom inputenc
1481 bool const from_to_cjk =
1482 (oldEnc.package() == Encoding::CJK && newEnc.package() != Encoding::CJK)
1483 || (oldEnc.package() != Encoding::CJK && newEnc.package() == Encoding::CJK);
1484 if (!force && !from_to_cjk
1485 && ((bparams.inputenc != "auto" && bparams.inputenc != "default") || moving_arg))
1486 return make_pair(false, 0);
1488 // Do nothing if the encoding is unchanged.
1489 if (oldEnc.name() == newEnc.name())
1490 return make_pair(false, 0);
1492 // FIXME We ignore encoding switches from/to encodings that do
1493 // neither support the inputenc package nor the CJK package here.
1494 // This does of course only work in special cases (e.g. switch from
1495 // tis620-0 to latin1, but the text in latin1 contains ASCII only),
1496 // but it is the best we can do
1497 if (oldEnc.package() == Encoding::none
1498 || newEnc.package() == Encoding::none)
1499 return make_pair(false, 0);
1501 LYXERR(Debug::LATEX, "Changing LaTeX encoding from "
1502 << oldEnc.name() << " to " << newEnc.name());
1503 os << setEncoding(newEnc.iconvName());
1504 if (bparams.inputenc == "default")
1505 return make_pair(true, 0);
1507 docstring const inputenc_arg(from_ascii(newEnc.latexName()));
1508 OutputState * state = getOutputState();
1509 switch (newEnc.package()) {
1510 case Encoding::none:
1511 case Encoding::japanese:
1512 // shouldn't ever reach here, see above
1513 return make_pair(true, 0);
1514 case Encoding::inputenc: {
1515 int count = inputenc_arg.length();
1516 if (oldEnc.package() == Encoding::CJK &&
1517 state->open_encoding_ == CJK) {
1519 state->open_encoding_ = none;
1522 else if (oldEnc.package() == Encoding::inputenc &&
1523 state->open_encoding_ == inputenc) {
1525 state->open_encoding_ = none;
1528 if (runparams.local_font != 0
1529 && oldEnc.package() == Encoding::CJK) {
1530 // within insets, \inputenc switches need
1531 // to be embraced within \bgroup...\egroup;
1535 state->open_encoding_ = inputenc;
1537 // with the japanese option, inputenc is omitted.
1538 if (runparams.use_japanese)
1539 return make_pair(true, count);
1540 os << "\\inputencoding{" << inputenc_arg << '}';
1541 return make_pair(true, count + 16);
1543 case Encoding::CJK: {
1544 int count = inputenc_arg.length();
1545 if (oldEnc.package() == Encoding::CJK &&
1546 state->open_encoding_ == CJK) {
1550 if (oldEnc.package() == Encoding::inputenc &&
1551 state->open_encoding_ == inputenc) {
1555 os << "\\begin{CJK}{" << inputenc_arg << "}{"
1556 << from_ascii(bparams.fonts_cjk) << "}";
1557 state->open_encoding_ = CJK;
1558 return make_pair(true, count + 15);
1561 // Dead code to avoid a warning:
1562 return make_pair(true, 0);