3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
6 * \author Asger Alstrup
7 * \author Lars Gullik Bjønnes
8 * \author Richard Kimberly Heck (XHTML output)
9 * \author Jean-Marc Lasgouttes
10 * \author Angus Leeming
12 * \author André Pönitz
14 * \author Jürgen Vigna
16 * Full author contact details are available in file CREDITS.
21 #include "Paragraph.h"
24 #include "BufferParams.h"
25 #include "BufferEncodings.h"
29 #include "InsetList.h"
31 #include "LaTeXFeatures.h"
36 #include "OutputParams.h"
37 #include "output_latex.h"
38 #include "output_xhtml.h"
39 #include "output_docbook.h"
40 #include "ParagraphParameters.h"
42 #include "SpellChecker.h"
43 #include "texstream.h"
46 #include "TextClass.h"
47 #include "WordLangTuple.h"
50 #include "frontends/alert.h"
52 #include "insets/InsetArgument.h"
53 #include "insets/InsetBibitem.h"
54 #include "insets/InsetLabel.h"
55 #include "insets/InsetSpecialChar.h"
56 #include "insets/InsetText.h"
58 #include "mathed/InsetMathHull.h"
60 #include "support/debug.h"
61 #include "support/docstring_list.h"
62 #include "support/ExceptionMessage.h"
63 #include "support/gettext.h"
64 #include "support/lassert.h"
65 #include "support/lstrings.h"
66 #include "support/textutils.h"
73 using namespace lyx::support;
75 // OSX clang and msvc < 2015 do not support C++11 thread_local
76 #if defined(__APPLE__)
77 #define THREAD_LOCAL_STATIC static __thread
78 #elif defined(_MSC_VER) && (_MSC_VER < 1900)
79 #define THREAD_LOCAL_STATIC static __declspec(thread)
81 #define THREAD_LOCAL_STATIC thread_local static
86 /////////////////////////////////////////////////////////////////////
90 /////////////////////////////////////////////////////////////////////
92 class SpellResultRange {
94 SpellResultRange(FontSpan range, SpellChecker::Result result)
95 : range_(range), result_(result)
98 FontSpan const & range() const { return range_; }
100 void range(FontSpan const & r) { range_ = r; }
102 SpellChecker::Result result() const { return result_; }
104 void result(SpellChecker::Result r) { result_ = r; }
106 bool contains(pos_type pos) const { return range_.contains(pos); }
108 bool covered(FontSpan const & r) const
110 // 1. first of new range inside current range or
111 // 2. last of new range inside current range or
112 // 3. first of current range inside new range or
113 // 4. last of current range inside new range
114 //FIXME: is this the same as !range_.intersect(r).empty() ?
115 return range_.contains(r.first) || range_.contains(r.last) ||
116 r.contains(range_.first) || r.contains(range_.last);
119 void shift(pos_type pos, int offset)
121 if (range_.first > pos) {
122 range_.first += offset;
123 range_.last += offset;
124 } else if (range_.last >= pos) {
125 range_.last += offset;
130 SpellChecker::Result result_ ;
134 /////////////////////////////////////////////////////////////////////
138 /////////////////////////////////////////////////////////////////////
140 class SpellCheckerState {
144 needs_refresh_ = true;
145 current_change_number_ = 0;
148 void setRange(FontSpan const & fp, SpellChecker::Result state)
151 RangesIterator et = ranges_.end();
152 RangesIterator it = ranges_.begin();
153 for (; it != et; ++it) {
154 if (!it->covered(fp))
155 result.push_back(SpellResultRange(it->range(), it->result()));
156 else if (state == SpellChecker::WORD_OK) {
157 // trim or split the current misspelled range
158 // store misspelled ranges only
159 FontSpan range = it->range();
160 if (fp.first > range.first) {
161 // misspelled area in front of WORD_OK
162 range.last = fp.first - 1;
163 result.push_back(SpellResultRange(range, it->result()));
166 if (fp.last < range.last) {
167 // misspelled area after WORD_OK range
168 range.first = fp.last + 1;
169 result.push_back(SpellResultRange(range, it->result()));
174 if (state != SpellChecker::WORD_OK)
175 ranges_.push_back(SpellResultRange(fp, state));
178 void increasePosAfterPos(pos_type pos)
180 correctRangesAfterPos(pos, 1);
184 void decreasePosAfterPos(pos_type pos)
186 correctRangesAfterPos(pos, -1);
190 void refreshLast(pos_type pos)
192 if (pos < refresh_.last)
196 SpellChecker::Result getState(pos_type pos) const
198 SpellChecker::Result result = SpellChecker::WORD_OK;
199 RangesIterator et = ranges_.end();
200 RangesIterator it = ranges_.begin();
201 for (; it != et; ++it) {
202 if(it->contains(pos)) {
209 FontSpan const & getRange(pos_type pos) const
211 /// empty span to indicate mismatch
212 static FontSpan empty_;
213 RangesIterator et = ranges_.end();
214 RangesIterator it = ranges_.begin();
215 for (; it != et; ++it) {
216 if(it->contains(pos)) {
223 bool needsRefresh() const
225 return needs_refresh_;
228 SpellChecker::ChangeNumber currentChangeNumber() const
230 return current_change_number_;
233 void refreshRange(pos_type & first, pos_type & last) const
235 first = refresh_.first;
236 last = refresh_.last;
239 void needsRefresh(pos_type pos)
241 if (needs_refresh_ && pos != -1) {
242 if (pos < refresh_.first)
243 refresh_.first = pos;
244 if (pos > refresh_.last)
246 } else if (pos != -1) {
247 // init request check for neighbour positions too
248 refresh_.first = pos > 0 ? pos - 1 : 0;
249 // no need for special end of paragraph check
250 refresh_.last = pos + 1;
252 needs_refresh_ = pos != -1;
255 void needsCompleteRefresh(SpellChecker::ChangeNumber change_number)
257 needs_refresh_ = true;
260 current_change_number_ = change_number;
263 typedef vector<SpellResultRange> Ranges;
264 typedef Ranges::const_iterator RangesIterator;
266 /// the area of the paragraph with pending spell check
268 /// spell state cache version number
269 SpellChecker::ChangeNumber current_change_number_;
273 void correctRangesAfterPos(pos_type pos, int offset)
275 RangesIterator et = ranges_.end();
276 Ranges::iterator it = ranges_.begin();
277 for (; it != et; ++it) {
278 it->shift(pos, offset);
284 /////////////////////////////////////////////////////////////////////
286 // Paragraph::Private
288 /////////////////////////////////////////////////////////////////////
290 class Paragraph::Private
292 // Enforce our own "copy" constructor
293 Private(Private const &) = delete;
294 Private & operator=(Private const &) = delete;
295 // Unique ID generator
296 static int make_id();
299 Private(Paragraph * owner, Layout const & layout);
300 /// "Copy constructor"
301 Private(Private const &, Paragraph * owner);
302 /// Copy constructor from \p beg to \p end
303 Private(Private const &, Paragraph * owner, pos_type beg, pos_type end);
306 void insertChar(pos_type pos, char_type c, Change const & change);
308 /// Output the surrogate pair formed by \p c and \p next to \p os.
309 /// \return the number of characters written.
310 int latexSurrogatePair(BufferParams const &, otexstream & os,
311 char_type c, char_type next,
312 OutputParams const &) const;
314 /// Output a space in appropriate formatting (or a surrogate pair
315 /// if the next character is a combining character).
316 /// \return whether a surrogate pair was output.
317 bool simpleTeXBlanks(BufferParams const &,
318 OutputParams const &,
321 unsigned int & column,
323 Layout const & style) const;
325 /// This could go to ParagraphParameters if we want to.
326 int startTeXParParams(BufferParams const &, otexstream &,
327 OutputParams const &) const;
329 /// This could go to ParagraphParameters if we want to.
330 bool endTeXParParams(BufferParams const &, otexstream &,
331 OutputParams const &) const;
334 void latexInset(BufferParams const &,
339 Font const & outerfont,
341 Change & running_change,
342 Layout const & style,
344 unsigned int & column,
345 bool const fontswitch_inset,
346 bool const closeLanguage,
347 bool const lang_switched_at_inset) const;
350 void latexSpecialChar(
352 BufferParams const & bparams,
353 OutputParams const & runparams,
354 Font const & running_font,
355 string & alien_script,
356 Layout const & style,
357 InsetLayout const & il,
360 unsigned int & column) const;
367 unsigned int & column) const;
373 unsigned int & column) const;
379 unsigned int & column) const;
382 void validate(LaTeXFeatures & features) const;
384 /// Checks if the paragraph contains only text and no inset or font change.
385 bool onlyText(Buffer const & buf, Font const & outerfont,
386 pos_type initial) const;
388 /// a vector of speller skip positions
389 typedef vector<FontSpan> SkipPositions;
390 typedef SkipPositions::const_iterator SkipPositionsIterator;
392 void appendSkipPosition(SkipPositions & skips, pos_type const pos) const;
394 Language * getSpellLanguage(pos_type const from) const;
396 Language * locateSpellRange(pos_type & from, pos_type & to,
397 SkipPositions & skips) const;
399 bool hasSpellerChange() const
401 SpellChecker::ChangeNumber speller_change_number = 0;
402 if (theSpellChecker())
403 speller_change_number = theSpellChecker()->changeNumber();
404 return speller_change_number > speller_state_.currentChangeNumber();
407 bool ignoreWord(docstring const & word) const;
409 void setMisspelled(pos_type from, pos_type to, SpellChecker::Result state)
411 pos_type textsize = owner_->size();
412 // check for sane arguments
413 if (to <= from || from >= textsize)
415 FontSpan fp = FontSpan(from, to - 1);
416 speller_state_.setRange(fp, state);
419 void requestSpellCheck(pos_type pos)
422 speller_state_.needsCompleteRefresh(speller_state_.currentChangeNumber());
424 speller_state_.needsRefresh(pos);
427 void readySpellCheck()
429 speller_state_.needsRefresh(-1);
432 bool needsSpellCheck() const
434 return speller_state_.needsRefresh();
437 void rangeOfSpellCheck(pos_type & first, pos_type & last) const
439 speller_state_.refreshRange(first, last);
441 last = owner_->size();
444 pos_type endpos = last;
445 owner_->locateWord(first, endpos, WHOLE_WORD, true);
448 owner_->locateWord(last, endpos, WHOLE_WORD, true);
453 int countSkips(SkipPositionsIterator & it, SkipPositionsIterator const et,
457 while (it != et && it->first < start) {
458 long skip = it->last - it->first + 1;
466 void markMisspelledWords(Language const * lang,
467 pos_type const & first, pos_type const & last,
468 SpellChecker::Result result,
469 docstring const & word,
470 SkipPositions const & skips);
472 InsetCode ownerCode() const
474 return inset_owner_ ? inset_owner_->lyxCode() : NO_CODE;
477 /// Which Paragraph owns us?
481 Inset const * inset_owner_;
487 ParagraphParameters params_;
489 /// for recording and looking up changes
493 InsetList insetlist_;
496 pos_type begin_of_body_;
498 typedef docstring TextContainer;
502 typedef set<docstring> Words;
503 typedef map<string, Words> LangWordsMap;
507 Layout const * layout_;
509 SpellCheckerState speller_state_;
515 Paragraph::Private::Private(Paragraph * owner, Layout const & layout)
516 : owner_(owner), inset_owner_(nullptr), begin_of_body_(0), layout_(&layout), id_(-1)
523 int Paragraph::Private::make_id()
525 // The id is unique per session across buffers because it is used in
526 // LFUN_PARAGRAPH_GOTO to switch to a different buffer, for instance in the
529 static int next_id(0);
534 Paragraph::Private::Private(Private const & p, Paragraph * owner)
535 : owner_(owner), inset_owner_(p.inset_owner_), fontlist_(p.fontlist_),
536 params_(p.params_), changes_(p.changes_), insetlist_(p.insetlist_),
537 begin_of_body_(p.begin_of_body_), text_(p.text_), words_(p.words_),
538 layout_(p.layout_), id_(make_id())
540 requestSpellCheck(p.text_.size());
544 Paragraph::Private::Private(Private const & p, Paragraph * owner,
545 pos_type beg, pos_type end)
546 : owner_(owner), inset_owner_(p.inset_owner_),
547 params_(p.params_), changes_(p.changes_),
548 insetlist_(p.insetlist_, beg, end),
549 begin_of_body_(p.begin_of_body_), words_(p.words_),
550 layout_(p.layout_), id_(make_id())
552 if (beg >= pos_type(p.text_.size()))
554 text_ = p.text_.substr(beg, end - beg);
556 FontList::const_iterator fcit = fontlist_.begin();
557 FontList::const_iterator fend = fontlist_.end();
558 for (; fcit != fend; ++fcit) {
559 if (fcit->pos() < beg)
561 if (fcit->pos() >= end) {
562 // Add last entry in the fontlist_.
563 fontlist_.set(text_.size() - 1, fcit->font());
566 // Add a new entry in the fontlist_.
567 fontlist_.set(fcit->pos() - beg, fcit->font());
569 requestSpellCheck(p.text_.size());
573 /////////////////////////////////////////////////////////////////////
577 /////////////////////////////////////////////////////////////////////
581 /** This helper class should be instantiated at the start of methods
582 * that can create or merge changes. If as a result the value of
583 * Paragraph::isChanged is modified, it makes sure that updateBuffer()
586 struct ChangesMonitor {
588 ChangesMonitor(Paragraph & par)
589 : par_(par), was_changed_(par.isChanged()) {}
593 /* We may need to run updateBuffer to check whether the buffer
594 * contains changes (and toggle the changes toolbar). We do it
596 * 1. the `changedness' of the paragraph has changed,
597 * 2. and we are not in the situation where the buffer has changes
598 * and new changes are added to the paragraph.
601 if (par_.isChanged() != was_changed_
602 && par_.inInset().isBufferValid()
603 && !(par_.inInset().buffer().areChangesPresent() && par_.isChanged()))
604 par_.inInset().buffer().forceUpdate();
605 } catch(support::ExceptionMessage const &) {}
610 Paragraph const & par_;
617 void Paragraph::addChangesToToc(DocIterator const & cdit, Buffer const & buf,
618 bool output_active, TocBackend & backend) const
620 d->changes_.addToToc(cdit, buf, output_active, backend);
624 bool Paragraph::isDeleted(pos_type start, pos_type end) const
626 LASSERT(start >= 0 && start <= size(), return false);
627 LASSERT(end > start && end <= size() + 1, return false);
629 return d->changes_.isDeleted(start, end);
633 bool Paragraph::isChanged(pos_type start, pos_type end) const
635 LASSERT(start >= 0 && start <= size(), return false);
636 LASSERT(end > start && end <= size() + 1, return false);
638 return d->changes_.isChanged(start, end);
641 // FIXME: Ideally the diverse isChanged() methods should account for that!
642 bool Paragraph::hasChangedInsets(pos_type start, pos_type end) const
644 LASSERT(start >= 0 && start <= size(), return false);
645 LASSERT(end > start && end <= size() + 1, return false);
647 for (auto const & icit : d->insetlist_) {
648 if (icit.pos < start)
652 if (icit.inset && icit.inset->isChanged())
658 bool Paragraph::isChanged() const
660 return d->changes_.isChanged();
664 bool Paragraph::isMergedOnEndOfParDeletion(bool trackChanges) const
666 // keep the logic here in sync with the logic of eraseChars()
670 Change const & change = d->changes_.lookup(size());
671 return change.inserted() && change.currentAuthor();
674 Change Paragraph::parEndChange() const
676 return d->changes_.lookup(size());
680 void Paragraph::setChange(Change const & change)
682 // Make sure that Buffer::hasChangesPresent is updated
683 ChangesMonitor cm(*this);
685 // beware of the imaginary end-of-par character!
686 d->changes_.set(change, 0, size() + 1);
689 * Propagate the change recursively - but not in case of DELETED!
691 * Imagine that your co-author makes changes in an existing inset. He
692 * sends your document to you and you come to the conclusion that the
693 * inset should go completely. If you erase it, LyX must not delete all
694 * text within the inset. Otherwise, the change tracked insertions of
695 * your co-author get lost and there is no way to restore them later.
697 * Conclusion: An inset's content should remain untouched if you delete it
700 if (!change.deleted()) {
701 for (pos_type pos = 0; pos < size(); ++pos) {
702 if (Inset * inset = getInset(pos))
703 inset->setChange(change);
709 void Paragraph::setChange(pos_type pos, Change const & change)
711 // Make sure that Buffer::hasChangesPresent is updated
712 ChangesMonitor cm(*this);
714 LASSERT(pos >= 0 && pos <= size(), return);
715 d->changes_.set(change, pos);
717 // see comment in setChange(Change const &) above
718 if (!change.deleted() && pos < size())
719 if (Inset * inset = getInset(pos))
720 inset->setChange(change);
724 Change const & Paragraph::lookupChange(pos_type pos) const
726 LBUFERR(pos >= 0 && pos <= size());
727 return d->changes_.lookup(pos);
731 void Paragraph::acceptChanges(pos_type start, pos_type end)
733 // Make sure that Buffer::hasChangesPresent is updated
734 ChangesMonitor cm(*this);
736 LASSERT(start >= 0 && start <= size(), return);
737 LASSERT(end > start && end <= size() + 1, return);
739 for (pos_type pos = start; pos < end; ++pos) {
740 switch (lookupChange(pos).type) {
741 case Change::UNCHANGED:
742 // accept changes in nested inset
743 if (Inset * inset = getInset(pos))
744 inset->acceptChanges();
747 case Change::INSERTED:
748 d->changes_.set(Change(Change::UNCHANGED), pos);
749 // also accept changes in nested inset
750 if (Inset * inset = getInset(pos))
751 inset->acceptChanges();
754 case Change::DELETED:
755 // Suppress access to non-existent
756 // "end-of-paragraph char"
758 eraseChar(pos, false);
768 void Paragraph::rejectChanges(pos_type start, pos_type end)
770 LASSERT(start >= 0 && start <= size(), return);
771 LASSERT(end > start && end <= size() + 1, return);
773 // Make sure that Buffer::hasChangesPresent is updated
774 ChangesMonitor cm(*this);
776 for (pos_type pos = start; pos < end; ++pos) {
777 switch (lookupChange(pos).type) {
778 case Change::UNCHANGED:
779 // reject changes in nested inset
780 if (Inset * inset = getInset(pos))
781 inset->rejectChanges();
784 case Change::INSERTED:
785 // Suppress access to non-existent
786 // "end-of-paragraph char"
788 eraseChar(pos, false);
794 case Change::DELETED:
795 d->changes_.set(Change(Change::UNCHANGED), pos);
797 // Do NOT reject changes within a deleted inset!
798 // There may be insertions of a co-author inside of it!
806 void Paragraph::Private::insertChar(pos_type pos, char_type c,
807 Change const & change)
809 LASSERT(pos >= 0 && pos <= int(text_.size()), return);
811 // Make sure that Buffer::hasChangesPresent is updated
812 ChangesMonitor cm(*owner_);
815 changes_.insert(change, pos);
817 // This is actually very common when parsing buffers (and
818 // maybe inserting ascii text)
819 if (pos == pos_type(text_.size())) {
820 // when appending characters, no need to update tables
822 // but we want spell checking
823 requestSpellCheck(pos);
827 text_.insert(text_.begin() + pos, c);
829 // Update the font table.
830 fontlist_.increasePosAfterPos(pos);
833 insetlist_.increasePosAfterPos(pos);
835 // Update list of misspelled positions
836 speller_state_.increasePosAfterPos(pos);
839 if (inset_owner_ && inset_owner_->isBufferValid())
840 theSession().bookmarks().adjustPosAfterPos(inset_owner_->buffer().fileName(),
845 bool Paragraph::insertInset(pos_type pos, Inset * inset,
846 Font const & font, Change const & change)
848 LASSERT(inset, return false);
849 LASSERT(pos >= 0 && pos <= size(), return false);
851 // Make sure that Buffer::hasChangesPresent is updated
852 ChangesMonitor cm(*this);
854 // Paragraph::insertInset() can be used in cut/copy/paste operation where
855 // d->inset_owner_ is not set yet.
856 if (d->inset_owner_ && !d->inset_owner_->insetAllowed(inset->lyxCode()))
859 d->insertChar(pos, META_INSET, change);
860 LASSERT(d->text_[pos] == META_INSET, return false);
862 // Add a new entry in the insetlist_.
863 d->insetlist_.insert(inset, pos);
865 // Some insets require run of spell checker
866 requestSpellCheck(pos);
872 bool Paragraph::eraseChar(pos_type pos, bool trackChanges)
874 LASSERT(pos >= 0 && pos <= size(), return false);
876 // Make sure that Buffer::hasChangesPresent is updated
877 ChangesMonitor cm(*this);
879 // keep the logic here in sync with the logic of isMergedOnEndOfParDeletion()
882 Change change = d->changes_.lookup(pos);
884 // set the character to DELETED if
885 // a) it was previously unchanged or
886 // b) it was inserted by a co-author
888 if (!change.changed() ||
889 (change.inserted() && !change.currentAuthor())) {
890 setChange(pos, Change(Change::DELETED));
891 // request run of spell checker
892 requestSpellCheck(pos);
896 if (change.deleted())
900 // Don't physically access the imaginary end-of-paragraph character.
901 // eraseChar() can only mark it as DELETED. A physical deletion of
902 // end-of-par must be handled externally.
908 d->changes_.erase(pos);
910 // if it is an inset, delete the inset entry
911 if (d->text_[pos] == META_INSET)
912 d->insetlist_.erase(pos);
914 d->text_.erase(d->text_.begin() + pos);
916 // Update the fontlist_
917 d->fontlist_.erase(pos);
919 // Update the insetlist_
920 d->insetlist_.decreasePosAfterPos(pos);
922 // Update list of misspelled positions
923 d->speller_state_.decreasePosAfterPos(pos);
924 d->speller_state_.refreshLast(size());
927 if (d->inset_owner_ && d->inset_owner_->isBufferValid())
928 theSession().bookmarks().adjustPosAfterPos(d->inset_owner_->buffer().fileName(),
935 int Paragraph::eraseChars(pos_type start, pos_type end, bool trackChanges)
937 LASSERT(start >= 0 && start <= size(), return 0);
938 LASSERT(end >= start && end <= size() + 1, return 0);
941 for (pos_type count = end - start; count; --count) {
942 if (!eraseChar(i, trackChanges))
949 // Handle combining characters
950 int Paragraph::Private::latexSurrogatePair(BufferParams const & bparams,
951 otexstream & os, char_type c, char_type next,
952 OutputParams const & runparams) const
954 // Writing next here may circumvent a possible font change between
955 // c and next. Since next is only output if it forms a surrogate pair
956 // with c we can ignore this:
957 // A font change inside a surrogate pair does not make sense and is
958 // hopefully impossible to input.
959 // FIXME: change tracking
960 // Is this correct WRT change tracking?
961 Encoding const & encoding = *(runparams.encoding);
962 docstring latex1 = encoding.latexChar(next).first;
963 if (runparams.inIPA) {
964 string const tipashortcut = Encodings::TIPAShortcut(next);
965 if (!tipashortcut.empty()) {
966 latex1 = from_ascii(tipashortcut);
969 docstring latex2 = encoding.latexChar(c).first;
971 if (bparams.useNonTeXFonts || docstring(1, next) == latex1) {
972 // Encoding supports the combination:
973 // output as is (combining char after base char).
974 os << latex2 << latex1;
975 return latex1.length() + latex2.length();
978 os << latex1 << "{" << latex2 << "}";
979 return latex1.length() + latex2.length() + 2;
983 bool Paragraph::Private::simpleTeXBlanks(BufferParams const & bparams,
984 OutputParams const & runparams,
987 unsigned int & column,
989 Layout const & style) const
991 if (style.pass_thru || runparams.pass_thru)
994 if (i + 1 < int(text_.size())) {
995 char_type next = text_[i + 1];
996 if (Encodings::isCombiningChar(next)) {
997 // This space has an accent, so we must always output it.
998 column += latexSurrogatePair(bparams, os, ' ', next, runparams) - 1;
1003 if (runparams.linelen > 0
1004 && column > runparams.linelen
1006 && text_[i - 1] != ' '
1007 && (i + 1 < int(text_.size()))
1008 // same in FreeSpacing mode
1009 && !owner_->isFreeSpacing()
1010 // In typewriter mode, we want to avoid
1011 // ! . ? : at the end of a line
1012 && !(font.fontInfo().family() == TYPEWRITER_FAMILY
1013 && (text_[i - 1] == '.'
1014 || text_[i - 1] == '?'
1015 || text_[i - 1] == ':'
1016 || text_[i - 1] == '!'))) {
1018 os.texrow().start(owner_->id(), i + 1);
1020 } else if (style.free_spacing) {
1029 void Paragraph::Private::latexInset(BufferParams const & bparams,
1031 OutputParams & runparams,
1032 Font & running_font,
1034 Font const & outerfont,
1036 Change & running_change,
1037 Layout const & style,
1039 unsigned int & column,
1040 bool const fontswitch_inset,
1041 bool const closeLanguage,
1042 bool const lang_switched_at_inset) const
1044 Inset * inset = owner_->getInset(i);
1047 if (style.pass_thru) {
1048 odocstringstream ods;
1049 inset->plaintext(ods, runparams);
1054 // FIXME: move this to InsetNewline::latex
1055 if (inset->lyxCode() == NEWLINE_CODE || inset->lyxCode() == SEPARATOR_CODE) {
1056 // newlines are handled differently here than
1057 // the default in simpleTeXSpecialChars().
1058 if (!style.newline_allowed) {
1062 bool needPar = false;
1063 column += running_font.latexWriteEndChanges(
1064 os, bparams, runparams,
1065 basefont, basefont, needPar);
1069 if (running_font.fontInfo().family() == TYPEWRITER_FAMILY)
1072 basefont = owner_->getLayoutFont(bparams, outerfont);
1073 running_font = basefont;
1075 if (runparams.moving_arg)
1079 os.texrow().start(owner_->id(), i + 1);
1083 if (owner_->isDeleted(i)) {
1084 if( ++runparams.inDeletedInset == 1)
1085 runparams.changeOfDeletedInset = owner_->lookupChange(i);
1088 if (inset->canTrackChanges()) {
1089 column += Changes::latexMarkChange(os, bparams, running_change,
1090 Change(Change::UNCHANGED), runparams);
1091 running_change = Change(Change::UNCHANGED);
1094 unsigned int close_brace = 0;
1095 bool const disp_env = (inset->isEnvironment() && inset->getLayout().isDisplay())
1096 || runparams.inDisplayMath;
1098 odocstream::pos_type const len = os.os().tellp();
1100 if (inset->forceLTR(runparams)
1101 // babel with LuaTeX does not need a switch
1102 // babel with XeTeX needs a switch only if bidi is used
1103 // and \L is not defined there.
1104 && (!runparams.isFullUnicode() || bparams.useBidiPackage(runparams) || runparams.use_polyglossia)
1105 && running_font.isRightToLeft()) {
1106 if (bparams.useBidiPackage(runparams) || runparams.use_polyglossia) {
1108 // Displayed environments go in an LTR environment
1110 os << "\\begin{LTR}";
1113 if (runparams.flavor == Flavor::LuaTeX) {
1114 // luabidi's \LRE needs extra grouping
1115 // (possibly a LuaTeX bug)
1122 } else if (running_font.language()->lang() == "farsi"
1123 || running_font.language()->lang() == "arabic_arabi") {
1124 os << "\\textLR{" << termcmd;
1135 if (open_font && fontswitch_inset) {
1136 bool lang_closed = false;
1137 // Close language if needed
1138 if (closeLanguage && !lang_switched_at_inset) {
1139 // We need prev_font here as language changes directly at inset
1140 // will only be started inside the inset.
1141 Font const prev_font = (i > 0) ?
1142 owner_->getFont(bparams, i - 1, outerfont)
1144 Font tmpfont(basefont);
1145 tmpfont.setLanguage(prev_font.language());
1146 bool needPar = false;
1147 unsigned int count = tmpfont.latexWriteEndChanges(os, bparams, runparams,
1149 needPar, closeLanguage);
1151 lang_closed = count > 0;
1153 // Update the running_font, making sure, however,
1154 // to leave the language as it was.
1155 // FIXME: probably a better way to keep track of the old
1156 // language, than copying the entire font?
1157 Font const copy_font(running_font);
1158 basefont = owner_->getLayoutFont(bparams, outerfont);
1159 running_font = basefont;
1161 running_font.setLanguage(copy_font.language());
1162 OutputParams rp = runparams;
1163 rp.encoding = basefont.language()->encoding();
1164 // For these, we use switches, so they should be taken as
1165 // base inside the inset.
1166 basefont.fontInfo().setSize(copy_font.fontInfo().size());
1167 basefont.fontInfo().setFamily(copy_font.fontInfo().family());
1168 basefont.fontInfo().setSeries(copy_font.fontInfo().series());
1169 // Now re-do font changes in a way needed here
1170 // (using switches with multi-par insets)
1171 InsetText const * textinset = inset->asInsetText();
1172 bool const cprotect = textinset
1173 ? textinset->hasCProtectContent(runparams.moving_arg)
1174 && !textinset->text().isMainText()
1175 && inset->lyxCode() != BRANCH_CODE
1176 && !runparams.no_cprotect
1177 && !inset->getLayout().noCProtect()
1179 unsigned int count2 = basefont.latexWriteStartChanges(os, bparams,
1185 if (count2 == 0 && (lang_closed || lang_switched_at_inset))
1189 runparams.local_font = &basefont;
1192 if (fontswitch_inset && !closeLanguage) {
1193 // The directionality has been switched at inset.
1194 // Force markup inside.
1195 runparams.local_font = &basefont;
1198 size_t const previous_row_count = os.texrow().rows();
1201 runparams.lastid = id_;
1202 runparams.lastpos = i;
1203 inset->latex(os, runparams);
1204 } catch (EncodingException & e) {
1205 // add location information and throw again.
1211 if (!close_env.empty())
1212 os << "\\end{" << close_env << "}";
1214 if (close_brace > 0) {
1215 for (unsigned i = 0; i < close_brace; ++i)
1221 if (os.texrow().rows() > previous_row_count) {
1222 os.texrow().start(owner_->id(), i + 1);
1225 column += (unsigned int)(os.os().tellp() - len);
1228 if (owner_->isDeleted(i))
1229 --runparams.inDeletedInset;
1233 void Paragraph::Private::latexSpecialChar(otexstream & os,
1234 BufferParams const & bparams,
1235 OutputParams const & runparams,
1236 Font const & running_font,
1237 string & alien_script,
1238 Layout const & style,
1239 InsetLayout const & il,
1242 unsigned int & column) const
1244 char_type const c = owner_->getUChar(bparams, runparams, i);
1246 // Special case: URLs with hyperref need to escape backslash, # and % (#13012).
1247 // Both a layout tag and a dedicated inset seem too much effort for this.
1248 string const hr_url_escape_chars = "\\#%";
1249 if (contains(hr_url_escape_chars, c) && runparams.use_hyperref && il.latexname() == "url"
1250 && il.requiresPackage("url")) {
1256 if ((style.pass_thru || runparams.pass_thru || runparams.find_effective()
1257 || contains(style.pass_thru_chars, c)
1258 || contains(runparams.pass_thru_chars, c))
1259 && !contains(runparams.no_pass_thru_chars, c)) {
1260 if (runparams.find_effective()) {
1266 os << "\\braceleft ";
1269 os << "\\braceright ";
1272 os << "\\lyxdollar ";
1275 os << "\\lyxtilde ";
1285 else if (c != '\0') {
1286 Encoding const * const enc = runparams.encoding;
1287 if (enc && !enc->encodable(c))
1288 throw EncodingException(c);
1294 // TIPA uses its own T3 encoding
1295 if (runparams.inIPA && latexSpecialT3(c, os, i, column))
1297 // If T1 font encoding is used, use the special
1298 // characters it provides.
1299 // NOTE: Some languages reset the font encoding internally to a
1300 // non-standard font encoding. If we are using such a language,
1301 // we do not output special T1 chars.
1302 if (!runparams.inIPA && !running_font.language()->internalFontEncoding()
1303 && !runparams.isFullUnicode() && runparams.main_fontenc == "T1"
1304 && latexSpecialT1(c, os, i, column))
1306 // NOTE: "fontspec" (non-TeX fonts) sets the font encoding to "TU" (untill 2017 "EU1" or "EU2")
1307 else if (!runparams.inIPA && !running_font.language()->internalFontEncoding()
1308 && runparams.isFullUnicode() && latexSpecialTU(c, os, i, column))
1311 // Otherwise, we use what LaTeX provides us.
1314 os << "\\textbackslash" << termcmd;
1318 os << "\\textless" << termcmd;
1322 os << "\\textgreater" << termcmd;
1326 os << "\\textbar" << termcmd;
1331 if (i + 1 < static_cast<pos_type>(text_.size()) &&
1332 (end_pos == -1 || i + 1 < end_pos) &&
1333 text_[i+1] == '-') {
1334 // Prevent "--" becoming an en dash and "---" an em dash.
1335 // (Within \ttfamily, "---" is merged to en dash + hyphen.)
1341 os << "\\textquotedbl" << termcmd;
1346 case '%': case '#': case '{':
1354 os << "\\textasciitilde" << termcmd;
1359 os << "\\textasciicircum" << termcmd;
1366 // avoid being mistaken for optional arguments
1374 // Blanks are printed before font switching.
1375 // Sure? I am not! (try nice-latex)
1376 // I am sure it's correct. LyX might be smarter
1377 // in the future, but for now, nothing wrong is
1383 // XeTeX's dash behaviour is determined via a global setting
1384 if (bparams.use_dash_ligatures
1385 && owner_->getFontSettings(bparams, i).fontInfo().family() != TYPEWRITER_FAMILY
1387 // TODO #10961: && not in inset Flex Code
1388 // TODO #10961: && not in layout LyXCode
1389 && (!bparams.useNonTeXFonts || runparams.flavor != Flavor::XeTeX)) {
1406 Encoding const & encoding = *(runparams.encoding);
1407 char_type next = '\0';
1408 if (i + 1 < int(text_.size())) {
1409 next = text_[i + 1];
1410 if (Encodings::isCombiningChar(next)) {
1411 column += latexSurrogatePair(bparams, os, c, next, runparams) - 1;
1416 pair<docstring, bool> latex = encoding.latexChar(c);
1417 docstring nextlatex;
1418 bool nexttipas = false;
1419 string nexttipashortcut;
1420 if (next != '\0' && next != META_INSET && !encoding.encodable(next)) {
1421 nextlatex = encoding.latexChar(next).first;
1422 if (runparams.inIPA) {
1423 nexttipashortcut = Encodings::TIPAShortcut(next);
1424 nexttipas = !nexttipashortcut.empty();
1428 if (runparams.inIPA) {
1429 string const tipashortcut = Encodings::TIPAShortcut(c);
1430 if (!tipashortcut.empty()) {
1431 latex.first = from_ascii(tipashortcut);
1432 latex.second = false;
1436 // eventually close "script wrapper" command (see `Paragraph::latex`)
1437 if (!alien_script.empty()
1438 && alien_script != Encodings::isKnownScriptChar(next)) {
1439 column += latex.first.length();
1440 alien_script.clear();
1441 os << latex.first << "}";
1445 && ((!prefixIs(nextlatex, '\\')
1446 && !prefixIs(nextlatex, '{')
1447 && !prefixIs(nextlatex, '}'))
1449 && !prefixIs(from_ascii(nexttipashortcut), '\\')))
1451 // Prevent eating of a following space or command corruption by
1452 // following characters
1453 if (next == ' ' || next == '\0') {
1454 column += latex.first.length() + 1;
1455 os << latex.first << "{}";
1457 column += latex.first.length();
1458 os << latex.first << " ";
1461 column += latex.first.length() - 1;
1469 bool Paragraph::Private::latexSpecialT1(char_type const c, otexstream & os,
1470 pos_type i, unsigned int & column) const
1476 // In T1 encoding, these characters exist
1477 // but we should avoid ligatures
1478 if (i + 1 >= int(text_.size()) || text_[i + 1] != c)
1480 os << "\\textcompwordmark" << termcmd;
1487 // soul.sty breaks with \char`\"
1488 os << "\\textquotedbl" << termcmd;
1497 bool Paragraph::Private::latexSpecialTU(char_type const c, otexstream & os,
1498 pos_type i, unsigned int & column) const
1500 // TU encoding is currently on par with T1.
1501 return latexSpecialT1(c, os, i, column);
1505 bool Paragraph::Private::latexSpecialT3(char_type const c, otexstream & os,
1506 pos_type /*i*/, unsigned int & column) const
1516 os << "\\textvertline" << termcmd;
1525 void Paragraph::Private::validate(LaTeXFeatures & features) const
1527 if (layout_->inpreamble && inset_owner_) {
1528 // FIXME: Using a string stream here circumvents the encoding
1529 // switching machinery of odocstream. Therefore the
1530 // output is wrong if this paragraph contains content
1531 // that needs to switch encoding.
1532 Buffer const & buf = inset_owner_->buffer();
1533 otexstringstream os;
1534 os << layout_->preamble();
1535 size_t const length = os.length();
1536 TeXOnePar(buf, *inset_owner_->getText(int(buf.getParFromID(owner_->id()).idx())),
1537 buf.getParFromID(owner_->id()).pit(), os,
1538 features.runparams(), string(), 0, -1, true);
1539 if (os.length() > length)
1540 features.addPreambleSnippet(os.release(), true);
1543 if (features.runparams().flavor == Flavor::Html
1544 && layout_->htmltitle()) {
1545 features.setHTMLTitle(owner_->asString(AS_STR_INSETS | AS_STR_SKIPDELETE));
1548 // check the params.
1549 if (!params_.spacing().isDefault())
1550 features.require("setspace");
1553 features.useLayout(layout_->name());
1556 fontlist_.validate(features);
1558 // then the indentation
1559 if (!params_.leftIndent().zero())
1560 features.require("ParagraphLeftIndent");
1563 InsetList::const_iterator icit = insetlist_.begin();
1564 InsetList::const_iterator iend = insetlist_.end();
1565 for (; icit != iend; ++icit) {
1567 features.inDeletedInset(owner_->isDeleted(icit->pos));
1568 if (icit->inset->lyxCode() == FOOT_CODE) {
1569 // FIXME: an item inset would make things much easier.
1570 if ((layout_->latextype == LATEX_LIST_ENVIRONMENT
1571 || (layout_->latextype == LATEX_ITEM_ENVIRONMENT
1572 && layout_->margintype == MARGIN_FIRST_DYNAMIC))
1573 && (icit->pos < begin_of_body_
1574 || (icit->pos == begin_of_body_
1575 && (icit->pos == 0 || text_[icit->pos - 1] != ' '))))
1576 features.saveNoteEnv("description");
1578 icit->inset->validate(features);
1579 features.inDeletedInset(false);
1580 if (layout_->needprotect &&
1581 icit->inset->lyxCode() == FOOT_CODE)
1582 features.require("NeedLyXFootnoteCode");
1586 // then the contents
1587 BufferParams const bp = features.runparams().is_child
1588 ? features.buffer().masterParams() : features.buffer().params();
1589 for (pos_type i = 0; i < int(text_.size()) ; ++i) {
1590 char_type c = text_[i];
1591 CharInfo const & ci = Encodings::unicodeCharInfo(c);
1593 if (features.runparams().isFullUnicode() && bp.useNonTeXFonts)
1594 features.require("textquotedblp");
1595 else if (features.runparams().main_fontenc != "T1"
1596 || ((&owner_->getFontSettings(bp, i))->language()->internalFontEncoding()))
1597 features.require("textquotedbl");
1598 } else if (ci.textFeature() && contains(ci.textPreamble(), '=')) {
1599 // features that depend on the font or input encoding
1600 string feats = ci.textPreamble();
1601 string fontenc = (&owner_->getFontSettings(bp, i))->language()->fontenc(bp);
1602 if (fontenc.empty())
1603 fontenc = features.runparams().main_fontenc;
1604 while (!feats.empty()) {
1606 feats = split(feats, feat, ',');
1607 if (contains(feat, "!=")) {
1608 // a feature that is required except for the spcified
1609 // font or input encodings
1611 string const contexts = ltrim(split(feat, realfeature, '!'), "=");
1612 // multiple encodings are separated by semicolon
1613 vector<string> context = getVectorFromString(contexts, ";");
1614 // require feature if the context matches neither current font
1615 // nor input encoding
1616 if (std::find(context.begin(), context.end(), fontenc) == context.end()
1617 && std::find(context.begin(), context.end(),
1618 features.runparams().encoding->name()) == context.end())
1619 features.require(realfeature);
1620 } else if (contains(feat, '=')) {
1621 // a feature that is required only for the spcified
1622 // font or input encodings
1624 string const contexts = split(feat, realfeature, '=');
1625 // multiple encodings are separated by semicolon
1626 vector<string> context = getVectorFromString(contexts, ";");
1627 // require feature if the context matches either current font
1628 // or input encoding
1629 if (std::find(context.begin(), context.end(), fontenc) != context.end()
1630 || std::find(context.begin(), context.end(),
1631 features.runparams().encoding->name()) != context.end())
1632 features.require(realfeature);
1635 } else if (!bp.use_dash_ligatures
1636 && (c == 0x2013 || c == 0x2014)
1637 && bp.useNonTeXFonts
1638 && features.runparams().flavor == Flavor::XeTeX)
1639 // XeTeX's dash behaviour is determined via a global setting
1640 features.require("xetexdashbreakstate");
1641 BufferEncodings::validate(c, features);
1645 /////////////////////////////////////////////////////////////////////
1649 /////////////////////////////////////////////////////////////////////
1652 Layout const emptyParagraphLayout;
1655 Paragraph::Paragraph()
1656 : d(new Paragraph::Private(this, emptyParagraphLayout))
1663 Paragraph::Paragraph(Paragraph const & par)
1664 : itemdepth(par.itemdepth),
1665 d(new Paragraph::Private(*par.d, this))
1671 Paragraph::Paragraph(Paragraph const & par, pos_type beg, pos_type end)
1672 : itemdepth(par.itemdepth),
1673 d(new Paragraph::Private(*par.d, this, beg, end))
1679 Paragraph & Paragraph::operator=(Paragraph const & par)
1681 // needed as we will destroy the private part before copying it
1683 itemdepth = par.itemdepth;
1687 d = new Private(*par.d, this);
1694 Paragraph::~Paragraph()
1703 // this shall be called just before every "os << ..." action.
1704 void flushString(ostream & os, docstring & s)
1713 void Paragraph::write(ostream & os, BufferParams const & bparams,
1714 depth_type & depth) const
1716 // The beginning or end of a deeper (i.e. nested) area?
1717 if (depth != d->params_.depth()) {
1718 if (d->params_.depth() > depth) {
1719 while (d->params_.depth() > depth) {
1720 os << "\n\\begin_deeper";
1724 while (d->params_.depth() < depth) {
1725 os << "\n\\end_deeper";
1731 // First write the layout
1732 os << "\n\\begin_layout " << to_utf8(d->layout_->name()) << '\n';
1734 d->params_.write(os);
1736 Font font1(inherit_font, bparams.language);
1738 Change running_change = Change(Change::UNCHANGED);
1740 // this string is used as a buffer to avoid repetitive calls
1741 // to to_utf8(), which turn out to be expensive (JMarc)
1742 docstring write_buffer;
1745 for (pos_type i = 0; i <= size(); ++i) {
1747 Change const & change = lookupChange(i);
1748 if (change != running_change)
1749 flushString(os, write_buffer);
1750 Changes::lyxMarkChange(os, bparams, column, running_change, change);
1751 running_change = change;
1756 // Write font changes
1757 Font font2 = getFontSettings(bparams, i);
1758 if (font2 != font1) {
1759 flushString(os, write_buffer);
1760 font2.lyxWriteChanges(font1, os);
1765 char_type const c = d->text_[i];
1768 if (Inset const * inset = getInset(i)) {
1769 flushString(os, write_buffer);
1770 if (inset->directWrite()) {
1771 // international char, let it write
1772 // code directly so it's shorter in
1778 os << "\\begin_inset ";
1780 os << "\n\\end_inset\n\n";
1783 // FIXME This can be removed again once the mystery
1784 // crash has been resolved.
1789 flushString(os, write_buffer);
1790 os << "\n\\backslash\n";
1799 case 0x061F: // ؟ U+061F ARABIC QUESTION MARK
1800 case 0x061B: // ؛ U+061B ARABIC SEMICOLON
1801 case 0x060C: // ، U+060C ARABIC COMMA
1802 flushString(os, write_buffer);
1803 if (i + 1 < size() && d->text_[i + 1] == ' ') {
1804 os << to_utf8(docstring(1, c)) << '\n';
1807 os << to_utf8(docstring(1, c));
1809 case 0x2014: // — U+2014 EM DASH
1810 case 0x3002: // 。 U+3002 IDEOGRAPHIC FULL STOP
1811 case 0xFF01: // ! U+FF01 FULLWIDTH EXCLAMATION MARK
1812 case 0xFF1F: // ? U+FF1F FULLWIDTH QUESTION MARK
1813 case 0xFF1A: // : U+FF1A FULLWIDTH COLON
1814 case 0xFF1B: // ; U+FF1B FULLWIDTH SEMICOLON
1815 case 0xFF0C: // , U+FF0C FULLWIDTH COMMA
1816 flushString(os, write_buffer);
1817 os << to_utf8(docstring(1, c)) << '\n';
1822 flushString(os, write_buffer);
1826 // this check is to amend a bug. LyX sometimes
1827 // inserts '\0' this could cause problems.
1829 write_buffer.push_back(c);
1831 LYXERR0("NUL char in structure.");
1837 flushString(os, write_buffer);
1838 os << "\n\\end_layout\n";
1839 // FIXME This can be removed again once the mystery
1840 // crash has been resolved.
1845 void Paragraph::validate(LaTeXFeatures & features) const
1847 d->validate(features);
1848 bool fragile = features.runparams().moving_arg;
1849 fragile |= layout().needprotect;
1850 if (inInset().getLayout().isNeedProtect())
1852 if (needsCProtection(fragile))
1853 features.require("cprotect");
1857 void Paragraph::insert(pos_type pos, docstring const & str,
1858 Font const & font, Change const & change)
1860 for (size_t i = 0, n = str.size(); i != n ; ++i)
1861 insertChar(pos + i, str[i], font, change);
1865 void Paragraph::appendChar(char_type c, Font const & font,
1866 Change const & change)
1868 // Make sure that Buffer::hasChangesPresent is updated
1869 ChangesMonitor cm(*this);
1872 d->changes_.insert(change, d->text_.size());
1873 // when appending characters, no need to update tables
1874 d->text_.push_back(c);
1875 setFont(d->text_.size() - 1, font);
1876 d->requestSpellCheck(d->text_.size() - 1);
1880 void Paragraph::appendString(docstring const & s, Font const & font,
1881 Change const & change)
1883 // Make sure that Buffer::hasChangesPresent is updated
1884 ChangesMonitor cm(*this);
1886 pos_type end = s.size();
1887 size_t oldsize = d->text_.size();
1888 size_t newsize = oldsize + end;
1889 size_t capacity = d->text_.capacity();
1890 if (newsize >= capacity)
1891 d->text_.reserve(max(capacity + 100, newsize));
1893 // when appending characters, no need to update tables
1896 // FIXME: Optimize this!
1897 for (size_t i = oldsize; i != newsize; ++i) {
1899 d->changes_.insert(change, i);
1900 d->requestSpellCheck(i);
1902 d->fontlist_.set(oldsize, font);
1903 d->fontlist_.set(newsize - 1, font);
1907 void Paragraph::insertChar(pos_type pos, char_type c,
1910 d->insertChar(pos, c, Change(trackChanges ?
1911 Change::INSERTED : Change::UNCHANGED));
1915 void Paragraph::insertChar(pos_type pos, char_type c,
1916 Font const & font, bool trackChanges)
1918 d->insertChar(pos, c, Change(trackChanges ?
1919 Change::INSERTED : Change::UNCHANGED));
1924 void Paragraph::insertChar(pos_type pos, char_type c,
1925 Font const & font, Change const & change)
1927 d->insertChar(pos, c, change);
1932 void Paragraph::resetFonts(Font const & font)
1934 d->fontlist_.clear();
1935 d->fontlist_.set(0, font);
1936 d->fontlist_.set(d->text_.size() - 1, font);
1939 // Gets uninstantiated font setting at position.
1940 Font const & Paragraph::getFontSettings(BufferParams const & bparams,
1944 LYXERR0("pos: " << pos << " size: " << size());
1948 FontList::const_iterator cit = d->fontlist_.fontIterator(pos);
1949 if (cit != d->fontlist_.end())
1952 if (pos == size() && !empty())
1953 return getFontSettings(bparams, pos - 1);
1955 // Optimisation: avoid a full font instantiation if there is no
1956 // language change from previous call.
1957 static Font previous_font;
1958 static Language const * previous_lang = nullptr;
1959 Language const * lang = getParLanguage(bparams);
1960 if (lang != previous_lang) {
1961 previous_lang = lang;
1962 previous_font = Font(inherit_font, lang);
1964 return previous_font;
1968 FontSpan Paragraph::fontSpan(pos_type pos) const
1970 LBUFERR(pos <= size());
1973 return FontSpan(pos, pos);
1976 FontList::const_iterator cit = d->fontlist_.begin();
1977 FontList::const_iterator end = d->fontlist_.end();
1978 for (; cit != end; ++cit) {
1979 if (cit->pos() >= pos) {
1980 if (pos >= beginOfBody())
1981 return FontSpan(max(start, beginOfBody()),
1984 return FontSpan(start,
1985 min(beginOfBody() - 1,
1988 start = cit->pos() + 1;
1991 // This should not happen, but if so, we take no chances.
1992 LYXERR0("Paragraph::fontSpan: position not found in fontinfo table!");
1993 LASSERT(false, /**/);
1994 return FontSpan(pos, pos);
1998 // Gets uninstantiated font setting at position 0
1999 Font const & Paragraph::getFirstFontSettings(BufferParams const & bparams) const
2001 if (!empty() && !d->fontlist_.empty())
2002 return d->fontlist_.begin()->font();
2004 // Optimisation: avoid a full font instantiation if there is no
2005 // language change from previous call.
2006 static Font previous_font;
2007 static Language const * previous_lang = nullptr;
2008 if (bparams.language != previous_lang) {
2009 previous_lang = bparams.language;
2010 previous_font = Font(inherit_font, bparams.language);
2013 return previous_font;
2017 // Gets the fully instantiated font at a given position in a paragraph
2018 // This is basically the same function as TextMetrics::displayFont().
2019 // The difference is that this one is used for generating the LaTeX file,
2020 // and thus cosmetic "improvements" are disallowed: This has to deliver
2021 // the true picture of the buffer. (Asger)
2022 Font const Paragraph::getFont(BufferParams const & bparams, pos_type pos,
2023 Font const & outerfont) const
2027 Font font = getFontSettings(bparams, pos);
2029 pos_type const body_pos = beginOfBody();
2030 FontInfo & fi = font.fontInfo();
2032 fi.realize(d->layout_->labelfont);
2034 fi.realize(d->layout_->font);
2036 fi.realize(outerfont.fontInfo());
2037 fi.realize(bparams.getFont().fontInfo());
2043 Font const Paragraph::getLabelFont
2044 (BufferParams const & bparams, Font const & outerfont) const
2046 FontInfo tmpfont = d->layout_->labelfont;
2047 tmpfont.realize(outerfont.fontInfo());
2048 tmpfont.realize(bparams.getFont().fontInfo());
2049 return Font(tmpfont, getParLanguage(bparams));
2053 Font const Paragraph::getLayoutFont
2054 (BufferParams const & bparams, Font const & outerfont) const
2056 FontInfo tmpfont = d->layout_->font;
2057 tmpfont.realize(outerfont.fontInfo());
2058 tmpfont.realize(bparams.getFont().fontInfo());
2059 return Font(tmpfont, getParLanguage(bparams));
2063 char_type Paragraph::getUChar(BufferParams const & bparams,
2064 OutputParams const & rp,
2067 char_type c = d->text_[pos];
2069 // Return unchanged character
2070 // 1. in all LTR languages
2071 // 2. if we use XeTeX (both with babel and polyglossia)
2072 // 3. if we use LuaTeX with babel
2073 if (!getFontSettings(bparams, pos).isRightToLeft()
2074 || rp.flavor == Flavor::XeTeX
2075 || (rp.use_babel && rp.flavor == Flavor::LuaTeX))
2078 // For the remaining cases, we need to account for some special cases.
2079 // FIXME This needs to be audited!
2081 // * The input is as expected for all delimiters
2082 // => checked for Hebrew!
2083 // * The output matches the display in the LyX workarea
2084 // => checked for Hebrew!
2085 // * The special cases below are really necessary
2086 // => checked for Hebrew!
2087 // * In arabic_arabi, brackets are transformed to Arabic
2088 // Ornate Parentheses. Is this is really wanted?
2089 // => Yes, in file ararabeyes.enc from the arabi bundle
2090 // the slot of the left bracket (slot 91) is encoded as
2091 // "ornaterightparenthesis". This is also the reason
2092 // brackets don't need to be mirrored with arabi
2094 string const & lang = getFontSettings(bparams, pos).language()->lang();
2097 // These are the cases where we need to mirror delimiters in RTL context
2098 // in the remaining cases (polyglossia + LuaTeX or classic [pdf]latex):
2099 // 1. With polyglossia and LuaTeX (luabidi) parentheses and brackets
2100 // need to be mirrored in RTL, regardless of the language, or script.
2101 // 2. In the languages that follow, parentheses need to be mirrored
2102 // in classic (pdf)latex
2103 bool const reverseparens = (rp.use_polyglossia || lang == "hebrew");
2104 // 3. In all RTL languages except for those that follow, brackets
2105 // need to be mirrored in classic (pdf)latex
2106 bool const reversebrackets = rp.use_polyglossia
2107 || (lang != "arabic_arabtex"
2108 && lang != "arabic_arabi"
2109 && lang != "farsi");
2111 // Now swap delimiters if needed.
2122 if (reversebrackets)
2126 if (reversebrackets)
2147 void Paragraph::setFont(pos_type pos, Font const & font)
2149 LASSERT(pos <= size(), return);
2151 // Text::setCharFont() already reduces font against layout/label
2152 // font, so we don't need to do that here. (Asger)
2153 d->fontlist_.set(pos, font);
2157 void Paragraph::makeSameLayout(Paragraph const & par)
2159 d->layout_ = par.d->layout_;
2160 d->params_ = par.d->params_;
2164 bool Paragraph::stripLeadingSpaces(bool trackChanges)
2166 if (isFreeSpacing())
2172 while (pos < size() && (isNewline(pos) || isLineSeparator(pos))) {
2173 if (eraseChar(pos, trackChanges))
2179 return count > 0 || pos > 0;
2183 bool Paragraph::hasSameLayout(Paragraph const & par) const
2185 return par.d->layout_ == d->layout_
2186 && d->params_.sameLayout(par.d->params_);
2190 depth_type Paragraph::getDepth() const
2192 return d->params_.depth();
2196 depth_type Paragraph::getMaxDepthAfter() const
2198 if (d->layout_->isEnvironment())
2199 return d->params_.depth() + 1;
2201 return d->params_.depth();
2205 LyXAlignment Paragraph::getAlign(BufferParams const & bparams) const
2207 if (d->params_.align() == LYX_ALIGN_LAYOUT)
2208 return getDefaultAlign(bparams);
2210 return d->params_.align();
2214 LyXAlignment Paragraph::getDefaultAlign(BufferParams const & bparams) const
2216 LyXAlignment res = layout().align;
2217 if (isRTL(bparams)) {
2219 if (res == LYX_ALIGN_LEFT)
2220 res = LYX_ALIGN_RIGHT;
2221 else if (res == LYX_ALIGN_RIGHT)
2222 res = LYX_ALIGN_LEFT;
2228 docstring const & Paragraph::labelString() const
2230 return d->params_.labelString();
2234 // the next two functions are for the manual labels
2235 docstring const Paragraph::getLabelWidthString() const
2237 if (d->layout_->margintype == MARGIN_MANUAL
2238 || d->layout_->latextype == LATEX_BIB_ENVIRONMENT)
2239 return d->params_.labelWidthString();
2241 return _("Senseless with this layout!");
2245 void Paragraph::setLabelWidthString(docstring const & s)
2247 d->params_.labelWidthString(s);
2251 docstring Paragraph::expandLabel(Layout const & layout,
2252 BufferParams const & bparams) const
2254 return expandParagraphLabel(layout, bparams, true);
2258 docstring Paragraph::expandParagraphLabel(Layout const & layout,
2259 BufferParams const & bparams, bool process_appendix) const
2261 DocumentClass const & tclass = bparams.documentClass();
2262 string const & lang = getParLanguage(bparams)->code();
2263 bool const in_appendix = process_appendix && d->params_.appendix();
2264 docstring fmt = translateIfPossible(layout.labelstring(in_appendix), lang);
2266 if (fmt.empty() && !layout.counter.empty())
2267 return tclass.counters().theCounter(layout.counter, lang);
2269 // handle 'inherited level parts' in 'fmt',
2270 // i.e. the stuff between '@' in '@Section@.\arabic{subsection}'
2271 size_t const i = fmt.find('@', 0);
2272 if (i != docstring::npos) {
2273 size_t const j = fmt.find('@', i + 1);
2274 if (j != docstring::npos) {
2275 docstring parent(fmt, i + 1, j - i - 1);
2276 docstring label = from_ascii("??");
2277 if (tclass.hasLayout(parent))
2278 label = expandParagraphLabel(tclass[parent], bparams,
2280 fmt = docstring(fmt, 0, i) + label
2281 + docstring(fmt, j + 1, docstring::npos);
2285 return tclass.counters().counterLabel(fmt, lang);
2289 void Paragraph::applyLayout(Layout const & new_layout)
2291 d->layout_ = &new_layout;
2292 LyXAlignment const oldAlign = d->params_.align();
2294 if (!(oldAlign & d->layout_->alignpossible)) {
2295 frontend::Alert::warning(_("Alignment not permitted"),
2296 _("The new layout does not permit the alignment previously used.\nSetting to default."));
2297 d->params_.align(LYX_ALIGN_LAYOUT);
2302 pos_type Paragraph::beginOfBody() const
2304 return d->begin_of_body_;
2308 void Paragraph::setBeginOfBody()
2310 if (d->layout_->labeltype != LABEL_MANUAL) {
2311 d->begin_of_body_ = 0;
2315 // Unroll the first two cycles of the loop
2316 // and remember the previous character to
2317 // remove unnecessary getChar() calls
2319 pos_type end = size();
2320 bool prev_char_deleted = false;
2321 if (i < end && (!(isNewline(i) || isEnvSeparator(i)) || isDeleted(i))) {
2324 char_type previous_char = d->text_[i];
2325 if (!(isNewline(i) || isEnvSeparator(i))) {
2327 while (i < end && (previous_char != ' ' || prev_char_deleted)) {
2328 char_type temp = d->text_[i];
2329 prev_char_deleted = isDeleted(i);
2330 if (!isDeleted(i) && (isNewline(i) || isEnvSeparator(i)))
2333 previous_char = temp;
2339 d->begin_of_body_ = i;
2343 bool Paragraph::allowParagraphCustomization() const
2345 return inInset().allowParagraphCustomization();
2349 bool Paragraph::usePlainLayout() const
2351 return inInset().usePlainLayout();
2355 bool Paragraph::isPassThru() const
2357 return inInset().isPassThru() || d->layout_->pass_thru;
2361 bool Paragraph::parbreakIsNewline() const
2363 return inInset().getLayout().parbreakIsNewline() || d->layout_->parbreak_is_newline;
2367 bool Paragraph::allowedInContext(Cursor const & cur, InsetLayout const & il) const
2369 set<docstring> const & allowed_insets = il.allowedInInsets();
2370 set<docstring> const & allowed_layouts = il.allowedInLayouts();
2372 bool in_allowed_inset =
2373 allowed_insets.find(inInset().getLayout().name()) != allowed_insets.end();
2375 bool in_allowed_layout =
2376 allowed_layouts.find(d->layout_->name()) != allowed_layouts.end();
2378 if (!in_allowed_inset && inInset().asInsetArgument()) {
2379 // check if the argument allows the inset in question
2380 if (cur.depth() > 1) {
2381 docstring parlayout = cur[cur.depth() - 2].inset().getLayout().name()
2382 + from_ascii("@") + from_ascii(inInset().asInsetArgument()->name());
2383 if (allowed_insets.find(parlayout) != allowed_insets.end())
2384 in_allowed_inset = true;
2389 // check if we exceed the number of allowed insets in this inset
2390 if (in_allowed_inset && inInset().asInsetText() && il.allowedOccurrences() != -1) {
2391 ParagraphList & pars = cur.text()->paragraphs();
2392 for (Paragraph const & par : pars) {
2393 for (auto const & elem : par.insetList())
2394 if (elem.inset->getLayout().name() == il.name())
2397 if (have_ins >= il.allowedOccurrences())
2402 // check if we exceed the number of allowed insets in the layout group
2403 if (in_allowed_layout && il.allowedOccurrences() != -1) {
2404 pit_type pit = cur.pit();
2405 pit_type lastpit = cur.pit();
2406 ParagraphList & pars = cur.text()->paragraphs();
2407 // If we are not on a list-type environment or AllowedOccurrencesPerItem
2408 // is false, we check the whole paragraph group
2409 if (d->layout_->isEnvironment()
2410 && !(il.allowedOccurrencesPerItem()
2411 && (d->layout_->latextype == LATEX_LIST_ENVIRONMENT
2412 || d->layout_->latextype == LATEX_ITEM_ENVIRONMENT))) {
2413 lastpit = cur.lastpit();
2414 // get the first paragraph in sequence with this layout
2415 depth_type const current_depth = params().depth();
2419 Paragraph cpar = pars[pit - 1];
2420 if (&cpar.layout() == d->layout_
2421 && cpar.params().depth() == current_depth)
2427 for (; pit <= lastpit; ++pit) {
2428 if (&pars[pit].layout() != d->layout_)
2430 for (auto const & elem : pars[pit].insetList())
2431 if (elem.inset->getLayout().name() == il.name())
2434 if (have_ins >= il.allowedOccurrences())
2438 if (in_allowed_layout || in_allowed_inset)
2441 return (allowed_insets.empty() && allowed_layouts.empty());
2445 bool Paragraph::isPartOfTextSequence() const
2447 for (pos_type i = 0; i < size(); ++i) {
2448 if (!isInset(i) || getInset(i)->isPartOfTextSequence())
2456 // paragraphs inside floats need different alignment tags to avoid
2459 bool noTrivlistCentering(InsetCode code)
2461 return code == FLOAT_CODE
2462 || code == WRAP_CODE
2463 || code == CELL_CODE;
2467 string correction(string const & orig)
2469 if (orig == "flushleft")
2470 return "raggedright";
2471 if (orig == "flushright")
2472 return "raggedleft";
2473 if (orig == "center")
2479 bool corrected_env(otexstream & os, string const & suffix, string const & env,
2480 InsetCode code, bool const lastpar, int & col)
2482 string macro = suffix + "{";
2483 if (noTrivlistCentering(code)) {
2485 // the last paragraph in non-trivlist-aligned
2486 // context is special (to avoid unwanted whitespace)
2487 if (suffix == "\\begin") {
2488 macro = "\\" + correction(env) + "{}";
2489 os << from_ascii(macro);
2490 col += macro.size();
2495 macro += correction(env);
2499 if (suffix == "\\par\\end") {
2503 os << from_ascii(macro);
2504 col += macro.size();
2505 if (suffix == "\\begin") {
2515 int Paragraph::Private::startTeXParParams(BufferParams const & bparams,
2516 otexstream & os, OutputParams const & runparams) const
2521 (bparams.paragraph_separation == BufferParams::ParagraphIndentSeparation) ?
2522 (layout_->toggle_indent != ITOGGLE_NEVER) :
2523 (layout_->toggle_indent == ITOGGLE_ALWAYS);
2525 LyXAlignment const curAlign = params_.align();
2527 // Do not output \\noindent for paragraphs
2528 // 1. that cannot have indentation or are indented always,
2529 // 2. that are not part of the immediate text sequence (e.g., contain only floats),
2530 // 3. that are PassThru,
2531 // 4. or that are centered.
2532 if (canindent && params_.noindent()
2533 && owner_->isPartOfTextSequence()
2534 && !layout_->pass_thru
2535 && curAlign != LYX_ALIGN_CENTER) {
2536 if (!owner_->empty()
2537 && owner_->getInset(0)
2538 && owner_->getInset(0)->lyxCode() == VSPACE_CODE)
2539 // If the paragraph starts with a vspace, the \\noindent
2540 // needs to come after that (as it leaves vmode).
2541 // If the paragraph consists only of the vspace,
2542 // \\noindent is not needed at all.
2543 runparams.need_noindent = owner_->size() > 1;
2545 os << "\\noindent" << termcmd;
2550 if (curAlign == layout_->align)
2554 case LYX_ALIGN_NONE:
2555 case LYX_ALIGN_BLOCK:
2556 case LYX_ALIGN_LAYOUT:
2557 case LYX_ALIGN_SPECIAL:
2558 case LYX_ALIGN_DECIMAL:
2560 case LYX_ALIGN_LEFT:
2561 case LYX_ALIGN_RIGHT:
2562 case LYX_ALIGN_CENTER:
2563 if (runparams.moving_arg) {
2570 string const begin_tag = "\\begin";
2571 InsetCode code = ownerCode();
2572 bool const lastpar = runparams.isLastPar;
2573 // RTL in classic (PDF)LaTeX (without the Bidi package)
2574 // Luabibdi (used by LuaTeX) behaves like classic
2575 bool const rtl_classic = owner_->getParLanguage(bparams)->rightToLeft()
2576 && !bparams.useBidiPackage(runparams);
2579 case LYX_ALIGN_NONE:
2580 case LYX_ALIGN_BLOCK:
2581 case LYX_ALIGN_LAYOUT:
2582 case LYX_ALIGN_SPECIAL:
2583 case LYX_ALIGN_DECIMAL:
2585 case LYX_ALIGN_LEFT: {
2587 // Classic (PDF)LaTeX switches the left/right logic in RTL mode
2588 corrected_env(os, begin_tag, "flushright", code, lastpar, column);
2590 corrected_env(os, begin_tag, "flushleft", code, lastpar, column);
2592 } case LYX_ALIGN_RIGHT: {
2594 // Classic (PDF)LaTeX switches the left/right logic in RTL mode
2595 corrected_env(os, begin_tag, "flushleft", code, lastpar, column);
2597 corrected_env(os, begin_tag, "flushright", code, lastpar, column);
2599 } case LYX_ALIGN_CENTER: {
2600 corrected_env(os, begin_tag, "center", code, lastpar, column);
2609 bool Paragraph::Private::endTeXParParams(BufferParams const & bparams,
2610 otexstream & os, OutputParams const & runparams) const
2612 LyXAlignment const curAlign = params_.align();
2614 if (curAlign == layout_->align)
2618 case LYX_ALIGN_NONE:
2619 case LYX_ALIGN_BLOCK:
2620 case LYX_ALIGN_LAYOUT:
2621 case LYX_ALIGN_SPECIAL:
2622 case LYX_ALIGN_DECIMAL:
2624 case LYX_ALIGN_LEFT:
2625 case LYX_ALIGN_RIGHT:
2626 case LYX_ALIGN_CENTER:
2627 if (runparams.moving_arg)
2632 bool output = false;
2634 string const end_tag = "\\par\\end";
2635 InsetCode code = ownerCode();
2636 bool const lastpar = runparams.isLastPar;
2637 // RTL in classic (PDF)LaTeX (without the Bidi package)
2638 // Luabibdi (used by LuaTeX) behaves like classic
2639 bool const rtl_classic = owner_->getParLanguage(bparams)->rightToLeft()
2640 && !bparams.useBidiPackage(runparams);
2643 case LYX_ALIGN_NONE:
2644 case LYX_ALIGN_BLOCK:
2645 case LYX_ALIGN_LAYOUT:
2646 case LYX_ALIGN_SPECIAL:
2647 case LYX_ALIGN_DECIMAL:
2649 case LYX_ALIGN_LEFT: {
2651 // Classic (PDF)LaTeX switches the left/right logic in RTL mode
2652 output = corrected_env(os, end_tag, "flushright", code, lastpar, col);
2654 output = corrected_env(os, end_tag, "flushleft", code, lastpar, col);
2656 } case LYX_ALIGN_RIGHT: {
2658 // Classic (PDF)LaTeX switches the left/right logic in RTL mode
2659 output = corrected_env(os, end_tag, "flushleft", code, lastpar, col);
2661 output = corrected_env(os, end_tag, "flushright", code, lastpar, col);
2663 } case LYX_ALIGN_CENTER: {
2664 corrected_env(os, end_tag, "center", code, lastpar, col);
2669 return output || lastpar;
2673 // This one spits out the text of the paragraph
2674 void Paragraph::latex(BufferParams const & bparams,
2675 Font const & outerfont,
2677 OutputParams const & runparams,
2678 int start_pos, int end_pos, bool force) const
2680 LYXERR(Debug::OUTFILE, "Paragraph::latex... " << this);
2682 // FIXME This check should not be needed. Perhaps issue an
2683 // error if it triggers.
2684 Layout const & style = inInset().forcePlainLayout() ?
2685 bparams.documentClass().plainLayout() : *d->layout_;
2687 if (!force && style.inpreamble)
2690 bool const allowcust = allowParagraphCustomization();
2692 // Current base font for all inherited font changes, without any
2693 // change caused by an individual character, except for the language:
2694 // It is set to the language of the first character.
2695 // As long as we are in the label, this font is the base font of the
2696 // label. Before the first body character it is set to the base font
2700 // If there is an open font-encoding changing command (script wrapper),
2701 // alien_script is set to its name
2702 string alien_script;
2705 // Maybe we have to create a optional argument.
2706 pos_type body_pos = beginOfBody();
2707 unsigned int column = 0;
2709 // If we are inside an non inheritFont() inset,
2710 // the outerfont is the buffer's main font
2711 Font const real_outerfont =
2712 inInset().inheritFont() ? outerfont : Font(bparams.getFont());
2715 // the optional argument is kept in curly brackets in
2716 // case it contains a ']'
2717 // This is not strictly needed, but if this is changed it
2718 // would be a file format change, and tex2lyx would need
2719 // to be adjusted, since it unconditionally removes the
2720 // braces when it parses \item.
2723 basefont = getLabelFont(bparams, real_outerfont);
2725 basefont = getLayoutFont(bparams, real_outerfont);
2728 // Which font is currently active?
2729 Font running_font(basefont);
2730 // Do we have an open font change?
2731 bool open_font = false;
2733 Change runningChange =
2734 runparams.inDeletedInset && !inInset().canTrackChanges()
2735 ? runparams.changeOfDeletedInset : Change(Change::UNCHANGED);
2737 Encoding const * const prev_encoding = runparams.encoding;
2739 os.texrow().start(id(), 0);
2741 // if the paragraph is empty, the loop will not be entered at all
2743 // For InTitle commands, we have already opened a group
2744 // in output_latex::TeXOnePar.
2745 if (style.isCommand() && !style.intitle) {
2749 if (!style.leftdelim().empty()) {
2750 os << style.leftdelim();
2751 column += style.leftdelim().size();
2754 column += d->startTeXParParams(bparams, os, runparams);
2757 // Whether a \par can be issued for insets typeset inline with text.
2758 // Yes if greater than 0. This has to be static.
2759 THREAD_LOCAL_STATIC int parInline = 0;
2761 for (pos_type i = 0; i < size(); ++i) {
2762 // First char in paragraph or after label?
2763 if (i == body_pos) {
2766 bool needPar = false;
2767 column += running_font.latexWriteEndChanges(
2768 os, bparams, runparams,
2769 basefont, basefont, needPar);
2772 basefont = getLayoutFont(bparams, real_outerfont);
2773 running_font = basefont;
2775 column += Changes::latexMarkChange(os, bparams,
2776 runningChange, Change(Change::UNCHANGED),
2778 runningChange = Change(Change::UNCHANGED);
2780 os << ((isEnvSeparator(i) && !runparams.find_effective()) ? "}]~" : "}] ");
2783 // For InTitle commands, we have already opened a group
2784 // in output_latex::TeXOnePar.
2785 if (style.isCommand() && !style.intitle) {
2790 if (!style.leftdelim().empty()) {
2791 os << style.leftdelim();
2792 column += style.leftdelim().size();
2796 column += d->startTeXParParams(bparams, os,
2800 runparams.wasDisplayMath = runparams.inDisplayMath;
2801 runparams.inDisplayMath = false;
2802 bool deleted_display_math = false;
2803 Change const & change = runparams.inDeletedInset
2804 ? runparams.changeOfDeletedInset : lookupChange(i);
2806 char_type const c = d->text_[i];
2808 // Check whether a display math inset follows
2809 bool output_changes;
2810 if (!runparams.find_effective())
2811 output_changes = bparams.output_changes;
2813 output_changes = runparams.find_with_deleted();
2815 && i >= start_pos && (end_pos == -1 || i < end_pos)) {
2817 runparams.ctObject = getInset(i)->getCtObject(runparams);
2819 InsetMath const * im = getInset(i)->asInsetMath();
2820 if (im && im->asHullInset()
2821 && im->asHullInset()->outerDisplay()) {
2822 runparams.inDisplayMath = true;
2823 // runparams.inDeletedInset will be set by
2824 // latexInset later, but we need this info
2825 // before it is called. On the other hand, we
2826 // cannot set it here because it is a counter.
2827 deleted_display_math = isDeleted(i);
2829 if (output_changes && deleted_display_math
2830 && runningChange == change
2831 && change.type == Change::DELETED
2832 && !os.afterParbreak()) {
2833 // A display math in the same paragraph follows.
2834 // We have to close and then reopen \lyxdeleted,
2835 // otherwise the math will be shifted up.
2836 OutputParams rp = runparams;
2838 bool needPar = false;
2839 column += running_font.latexWriteEndChanges(
2840 os, bparams, rp, basefont,
2844 basefont = (body_pos > i) ? getLabelFont(bparams, real_outerfont)
2845 : getLayoutFont(bparams, real_outerfont);
2846 running_font = basefont;
2847 column += Changes::latexMarkChange(os, bparams,
2848 Change(Change::INSERTED), change, rp);
2852 if (output_changes && runningChange != change) {
2853 if (!alien_script.empty()) {
2856 alien_script.clear();
2859 bool needPar = false;
2860 column += running_font.latexWriteEndChanges(
2861 os, bparams, runparams,
2862 basefont, basefont, needPar);
2865 basefont = (body_pos > i) ? getLabelFont(bparams, real_outerfont)
2866 : getLayoutFont(bparams, real_outerfont);
2867 running_font = basefont;
2868 column += Changes::latexMarkChange(os, bparams, runningChange,
2870 runningChange = change;
2873 // do not output text which is marked deleted
2874 // if change tracking output is disabled
2875 if (!output_changes && change.deleted()) {
2881 // Fully instantiated font
2882 Font current_font = getFont(bparams, i, outerfont);
2884 Font const prev_font = (i > 0) ?
2885 getFont(bparams, i - 1, outerfont)
2888 Font const last_font = running_font;
2889 bool const in_ct_deletion = (output_changes
2890 && runningChange == change
2891 && change.type == Change::DELETED
2892 && !os.afterParbreak());
2893 // Insets where font switches are used (rather than font commands)
2894 bool const fontswitch_inset =
2897 && getInset(i)->allowMultiPar()
2898 && getInset(i)->lyxCode() != ERT_CODE
2899 && (getInset(i)->producesOutput()
2900 // FIXME Something more general?
2901 // Comments do not "produce output" but are still
2902 // part of the TeX source and require font switches
2903 // to be closed (otherwise LaTeX fails).
2904 || getInset(i)->layoutName() == "Note:Comment");
2906 bool closeLanguage = false;
2907 bool lang_switched_at_inset = false;
2908 if (fontswitch_inset) {
2909 // Some insets cannot be inside a font change command.
2910 // However, even such insets *can* be placed in \L or \R
2911 // or their equivalents (for RTL language switches),
2912 // so we don't close the language in those cases
2913 // (= differing isRightToLeft()).
2914 // ArabTeX, though, doesn't seem to handle this special behavior.
2915 closeLanguage = basefont.isRightToLeft() == current_font.isRightToLeft()
2916 || basefont.language()->lang() == "arabic_arabtex"
2917 || current_font.language()->lang() == "arabic_arabtex";
2918 // We need to check prev_font as language changes directly at inset
2919 // will only be started inside the inset.
2920 lang_switched_at_inset = prev_font.language() != current_font.language();
2923 // Do we need to close the previous font?
2924 bool langClosed = false;
2926 ((current_font != running_font
2927 || current_font.language() != running_font.language())
2928 || (fontswitch_inset
2929 && (current_font == prev_font))))
2931 // ensure there is no open script-wrapper
2932 if (!alien_script.empty()) {
2935 alien_script.clear();
2937 if (in_ct_deletion) {
2938 // We have to close and then reopen \lyxdeleted,
2939 // as strikeout needs to be on lowest level.
2943 if (closeLanguage) {
2944 // Force language closing
2945 current_font.setLanguage(basefont.language());
2948 Font const nextfont = (i == body_pos-1) ? basefont : current_font;
2949 bool needPar = false;
2950 column += running_font.latexWriteEndChanges(
2951 os, bparams, runparams, basefont,
2953 if (in_ct_deletion) {
2954 // We have to close and then reopen \lyxdeleted,
2955 // as strikeout needs to be on lowest level.
2956 OutputParams rp = runparams;
2957 column += Changes::latexMarkChange(os, bparams,
2958 Change(Change::UNCHANGED), Change(Change::DELETED), rp);
2960 // Has the language been closed in the latexWriteEndChanges() call above?
2961 langClosed |= running_font.language() != basefont.language()
2962 && running_font.language() != nextfont.language()
2963 && (running_font.language()->encoding()->package() != Encoding::CJK);
2964 running_font = basefont;
2965 open_font &= !langClosed;
2968 // if necessary, close language environment before opening CJK
2969 string const running_lang = running_font.language()->babel();
2970 string const lang_end_command = lyxrc.language_command_end;
2971 if (!lang_end_command.empty() && !bparams.useNonTeXFonts
2972 && !running_lang.empty()
2973 && running_lang == openLanguageName()
2974 && current_font.language()->encoding()->package() == Encoding::CJK) {
2975 string end_tag = subst(lang_end_command, "$$lang", running_lang);
2976 os << from_ascii(end_tag);
2977 column += end_tag.length();
2978 if (!languageStackEmpty())
2982 // Switch file encoding if necessary (and allowed)
2983 if ((!fontswitch_inset || closeLanguage)
2984 && !runparams.pass_thru && !style.pass_thru &&
2985 runparams.encoding->package() != Encoding::none &&
2986 current_font.language()->encoding()->package() != Encoding::none) {
2987 pair<bool, int> const enc_switch =
2988 switchEncoding(os.os(), bparams, runparams,
2989 *(current_font.language()->encoding()));
2990 if (enc_switch.first) {
2991 column += enc_switch.second;
2992 runparams.encoding = current_font.language()->encoding();
2996 // A display math inset inside an ulem command will be output
2997 // as a box of width \linewidth, so we have to either disable
2998 // indentation if the inset starts a paragraph, or start a new
2999 // line to accommodate such box. This has to be done before
3000 // writing any font changing commands.
3001 if (runparams.inDisplayMath && !deleted_display_math
3002 && runparams.inulemcmd) {
3003 if (os.afterParbreak())
3009 // Do we need to change font?
3010 if ((current_font != running_font ||
3011 current_font.language() != running_font.language())
3012 && i != body_pos - 1)
3014 if (!fontswitch_inset) {
3015 if (in_ct_deletion) {
3016 // We have to close and then reopen \lyxdeleted,
3017 // as strikeout needs to be on lowest level.
3018 OutputParams rp = runparams;
3019 bool needPar = false;
3020 column += running_font.latexWriteEndChanges(
3021 os, bparams, rp, basefont,
3026 otexstringstream ots;
3027 InsetText const * textinset = inInset().asInsetText();
3028 bool const cprotect = textinset
3029 ? textinset->hasCProtectContent(runparams.moving_arg)
3030 && !textinset->text().isMainText()
3031 && inInset().lyxCode() != BRANCH_CODE
3032 && !runparams.no_cprotect
3034 column += current_font.latexWriteStartChanges(ots, bparams,
3035 runparams, basefont, last_font, false,
3037 // Check again for display math in ulem commands as a
3038 // font change may also occur just before a math inset.
3039 if (runparams.inDisplayMath && !deleted_display_math
3040 && runparams.inulemcmd) {
3041 if (os.afterParbreak())
3046 running_font = current_font;
3048 docstring fontchange = ots.str();
3050 // check whether the fontchange ends with a \\textcolor
3051 // modifier and the text starts with a space. If so we
3052 // need to add } in order to prevent \\textcolor from gobbling
3053 // the space (bug 4473).
3054 docstring const last_modifier = rsplit(fontchange, '\\');
3055 if (prefixIs(last_modifier, from_ascii("textcolor")) && c == ' ')
3056 os << from_ascii("{}");
3057 else if (ots.terminateCommand())
3059 if (in_ct_deletion) {
3060 // We have to close and then reopen \lyxdeleted,
3061 // as strikeout needs to be on lowest level.
3062 OutputParams rp = runparams;
3063 column += Changes::latexMarkChange(os, bparams,
3064 Change(Change::UNCHANGED), change, rp);
3066 } else {// if fontswitch_inset
3067 if (current_font != running_font || !langClosed)
3068 // font is still open in fontswitch_insets if we have
3069 // a non-lang font difference or if the language
3070 // is the only difference but has not been forcedly
3073 running_font = current_font;
3077 // FIXME: think about end_pos implementation...
3078 if (c == ' ' && i >= start_pos && (end_pos == -1 || i < end_pos)) {
3079 // FIXME: integrate this case in latexSpecialChar
3080 // Do not print the separation of the optional argument
3081 // if style.pass_thru is false. This works because
3082 // latexSpecialChar ignores spaces if
3083 // style.pass_thru is false.
3084 if (i != body_pos - 1) {
3085 if (d->simpleTeXBlanks(bparams, runparams, os,
3086 i, column, current_font, style)) {
3087 // A surrogate pair was output. We
3088 // must not call latexSpecialChar
3089 // in this iteration, since it would output
3090 // the combining character again.
3097 OutputParams rp = runparams;
3098 rp.free_spacing = style.free_spacing;
3099 rp.local_font = ¤t_font;
3100 rp.intitle = style.intitle;
3102 // Two major modes: LaTeX or plain
3103 // Handle here those cases common to both modes
3104 // and then split to handle the two modes separately.
3105 if (c == META_INSET) {
3106 if (i >= start_pos && (end_pos == -1 || i < end_pos)) {
3107 // Greyedout notes and, in general, all insets
3108 // with InsetLayout::isDisplay() == false,
3109 // are typeset inline with the text. So, we
3110 // can add a \par to the last paragraph of
3111 // such insets only if nothing else follows.
3112 bool incremented = false;
3113 Inset const * inset = getInset(i);
3114 InsetText const * textinset = inset
3115 ? inset->asInsetText()
3117 if (i + 1 == size() && textinset
3118 && !inset->getLayout().isDisplay()) {
3119 ParagraphList const & pars =
3120 textinset->text().paragraphs();
3121 pit_type const pit = pars.size() - 1;
3122 Font const lastfont =
3123 pit < 0 || pars[pit].empty()
3124 ? pars[pit].getLayoutFont(
3127 : pars[pit].getFont(bparams,
3128 pars[pit].size() - 1,
3130 if (lastfont.fontInfo().size() !=
3131 basefont.fontInfo().size()) {
3136 // We need to restore parts of this after insets with
3137 // allowMultiPar() true
3138 Font const save_basefont = basefont;
3139 d->latexInset(bparams, os, rp, running_font,
3140 basefont, real_outerfont, open_font,
3141 runningChange, style, i, column, fontswitch_inset,
3142 closeLanguage, (lang_switched_at_inset || langClosed));
3143 if (fontswitch_inset) {
3145 bool needPar = false;
3146 column += running_font.latexWriteEndChanges(
3147 os, bparams, runparams,
3148 basefont, basefont, needPar);
3151 basefont.fontInfo().setSize(save_basefont.fontInfo().size());
3152 basefont.fontInfo().setFamily(save_basefont.fontInfo().family());
3153 basefont.fontInfo().setSeries(save_basefont.fontInfo().series());
3158 if (runparams.ctObject == CtObject::DisplayObject
3159 || runparams.ctObject == CtObject::UDisplayObject) {
3160 // Close \lyx*deleted and force its
3161 // reopening (if needed)
3164 runningChange = Change(Change::UNCHANGED);
3165 runparams.ctObject = CtObject::Normal;
3168 } else if (i >= start_pos && (end_pos == -1 || i < end_pos)) {
3169 if (!bparams.useNonTeXFonts && !runparams.pass_thru
3170 && !contains(runparams.pass_thru_chars, c))
3171 script = Encodings::isKnownScriptChar(c);
3172 if (script != alien_script) {
3173 if (!alien_script.empty()) {
3175 alien_script.clear();
3177 string fontenc = running_font.language()->fontenc(bparams);
3179 && !Encodings::fontencSupportsScript(fontenc, script)) {
3180 column += script.length() + 2;
3181 os << "\\" << script << "{";
3182 alien_script = script;
3186 d->latexSpecialChar(os, bparams, rp, running_font, alien_script,
3187 style, inInset().getLayout(), i, end_pos, column);
3188 } catch (EncodingException & e) {
3189 if (runparams.dryrun) {
3190 os << "<" << _("LyX Warning: ")
3191 << _("uncodable character") << " '";
3195 // add location information and throw again.
3203 // Set the encoding to that returned from latexSpecialChar (see
3204 // comment for encoding member in OutputParams.h)
3205 runparams.encoding = rp.encoding;
3207 // Also carry on the info on a closed ulem command for insets
3208 // such as Note that do not produce any output, so that no
3209 // command is ever executed but its opening was recorded.
3210 runparams.inulemcmd = rp.inulemcmd;
3212 // These need to be passed upstream as well
3213 runparams.need_maketitle = rp.need_maketitle;
3214 runparams.have_maketitle = rp.have_maketitle;
3216 // And finally, pass the post_macros upstream
3217 runparams.post_macro = rp.post_macro;
3220 // Close wrapper for alien script
3221 if (!alien_script.empty()) {
3223 alien_script.clear();
3226 Font const font = empty()
3227 ? getLayoutFont(bparams, real_outerfont)
3228 : getFont(bparams, size() - 1, real_outerfont);
3230 InsetText const * textinset = inInset().asInsetText();
3232 bool const maintext = textinset
3233 ? textinset->text().isMainText()
3236 size_t const numpars = textinset
3237 ? textinset->text().paragraphs().size()
3240 bool needPar = false;
3242 if (style.resfont.size() != font.fontInfo().size()
3243 && (!runparams.isLastPar || maintext
3244 || (numpars > 1 && d->ownerCode() != CELL_CODE
3245 && (inInset().getLayout().isDisplay()
3247 && !style.isCommand()) {
3251 // If we have an open font definition, we have to close it
3253 // Make sure that \\par is done with the font of the last
3254 // character if this has another size as the default.
3255 // This is necessary because LaTeX (and LyX on the screen)
3256 // calculates the space between the baselines according
3257 // to this font. (Matthias)
3259 // We must not change the font for the last paragraph
3260 // of non-multipar insets, tabular cells or commands,
3261 // since this produces unwanted whitespace.
3262 #ifdef FIXED_LANGUAGE_END_DETECTION
3264 running_font.latexWriteEndChanges(os, bparams,
3265 runparams, basefont,
3266 next_->getFont(bparams, 0, outerfont),
3269 running_font.latexWriteEndChanges(os, bparams,
3270 runparams, basefont, basefont, needPar);
3273 //FIXME: For now we ALWAYS have to close the foreign font settings if they are
3274 //FIXME: there as we start another \selectlanguage with the next paragraph if
3275 //FIXME: we are in need of this. This should be fixed sometime (Jug)
3276 running_font.latexWriteEndChanges(os, bparams, runparams,
3277 basefont, basefont, needPar);
3281 // The \par could not be inserted at the same nesting
3282 // level of the font size change, so do it now.
3283 os << "{\\" << font.latexSize() << "\\par}";
3286 if (!runparams.inDeletedInset || inInset().canTrackChanges())
3287 column += Changes::latexMarkChange(os, bparams, runningChange,
3288 Change(Change::UNCHANGED), runparams);
3290 // Needed if there is an optional argument but no contents.
3291 if (body_pos > 0 && body_pos == size()) {
3295 if (!style.rightdelim().empty()) {
3296 os << style.rightdelim();
3297 column += style.rightdelim().size();
3300 if (allowcust && d->endTeXParParams(bparams, os, runparams)
3301 && runparams.encoding != prev_encoding) {
3302 runparams.encoding = prev_encoding;
3303 os << setEncoding(prev_encoding->iconvName());
3306 LYXERR(Debug::OUTFILE, "Paragraph::latex... done " << this);
3310 bool Paragraph::emptyTag() const
3312 for (pos_type i = 0; i < size(); ++i) {
3313 if (Inset const * inset = getInset(i)) {
3314 InsetCode lyx_code = inset->lyxCode();
3315 // FIXME testing like that is wrong. What is
3317 if (lyx_code != TOC_CODE &&
3318 lyx_code != INCLUDE_CODE &&
3319 lyx_code != GRAPHICS_CODE &&
3320 lyx_code != ERT_CODE &&
3321 lyx_code != LISTINGS_CODE &&
3322 lyx_code != FLOAT_CODE &&
3323 lyx_code != TABULAR_CODE) {
3327 char_type c = d->text_[i];
3328 if (c != ' ' && c != '\t')
3336 string Paragraph::getID(Buffer const &, OutputParams const &)
3339 for (pos_type i = 0; i < size(); ++i) {
3340 if (Inset const * inset = getInset(i)) {
3341 InsetCode lyx_code = inset->lyxCode();
3342 if (lyx_code == LABEL_CODE) {
3343 InsetLabel const * const il = static_cast<InsetLabel const *>(inset);
3344 docstring const & id = il->getParam("name");
3345 return "id='" + to_utf8(xml::cleanID(id)) + "'";
3353 pos_type Paragraph::firstWordDocBook(XMLStream & xs, OutputParams const & runparams) const
3356 for (i = 0; i < size(); ++i) {
3357 if (Inset const * inset = getInset(i)) {
3358 inset->docbook(xs, runparams);
3360 char_type c = d->text_[i];
3370 pos_type Paragraph::firstWordLyXHTML(XMLStream & xs, OutputParams const & runparams)
3374 for (i = 0; i < size(); ++i) {
3375 if (Inset const * inset = getInset(i)) {
3376 inset->xhtml(xs, runparams);
3378 char_type c = d->text_[i];
3388 bool Paragraph::Private::onlyText(Buffer const & buf, Font const & outerfont, pos_type initial) const
3391 pos_type size = text_.size();
3392 for (pos_type i = initial; i < size; ++i) {
3393 Font font = owner_->getFont(buf.params(), i, outerfont);
3394 if (text_[i] == META_INSET)
3396 if (i != initial && font != font_old)
3407 void doFontSwitchDocBook(vector<xml::FontTag> & tagsToOpen,
3408 vector<xml::EndFontTag> & tagsToClose,
3409 bool & flag, FontState curstate, xml::FontTypes type)
3411 if (curstate == FONT_ON) {
3412 tagsToOpen.push_back(docbookStartFontTag(type));
3415 tagsToClose.push_back(docbookEndFontTag(type));
3420 class OptionalFontType {
3425 OptionalFontType(): ft(xml::FT_EMPH), has_value(false) {} // A possible value at random for ft.
3426 OptionalFontType(xml::FontTypes ft): ft(ft), has_value(true) {}
3429 OptionalFontType fontShapeToXml(FontShape fs)
3433 return {xml::FT_ITALIC};
3435 return {xml::FT_SLANTED};
3436 case SMALLCAPS_SHAPE:
3437 return {xml::FT_SMALLCAPS};
3442 // the other tags are for internal use
3448 OptionalFontType fontFamilyToXml(FontFamily fm)
3452 return {xml::FT_ROMAN};
3454 return {xml::FT_SANS};
3455 case TYPEWRITER_FAMILY:
3456 return {xml::FT_TYPE};
3457 case INHERIT_FAMILY:
3460 // the other tags are for internal use
3466 OptionalFontType fontSizeToXml(FontSize fs)
3470 return {xml::FT_SIZE_TINY};
3472 return {xml::FT_SIZE_SCRIPT};
3474 return {xml::FT_SIZE_FOOTNOTE};
3476 return {xml::FT_SIZE_SMALL};
3478 return {xml::FT_SIZE_LARGE};
3480 return {xml::FT_SIZE_LARGER};
3482 return {xml::FT_SIZE_LARGEST};
3484 return {xml::FT_SIZE_HUGE};
3486 return {xml::FT_SIZE_HUGER};
3488 return {xml::FT_SIZE_INCREASE};
3490 return {xml::FT_SIZE_DECREASE};
3495 // the other tags are for internal use
3501 struct DocBookFontState
3503 FontShape curr_fs = INHERIT_SHAPE;
3504 FontFamily curr_fam = INHERIT_FAMILY;
3505 FontSize curr_size = INHERIT_SIZE;
3507 // track whether we have opened these tags
3508 bool emph_flag = false;
3509 bool bold_flag = false;
3510 bool noun_flag = false;
3511 bool ubar_flag = false;
3512 bool dbar_flag = false;
3513 bool sout_flag = false;
3514 bool xout_flag = false;
3515 bool wave_flag = false;
3517 bool shap_flag = false;
3519 bool faml_flag = false;
3521 bool size_flag = false;
3524 std::tuple<vector<xml::FontTag>, vector<xml::EndFontTag>> computeDocBookFontSwitch(FontInfo const & font_old,
3526 std::string const & default_family,
3527 DocBookFontState & fs)
3529 vector<xml::FontTag> tagsToOpen;
3530 vector<xml::EndFontTag> tagsToClose;
3533 FontState curstate = font.fontInfo().emph();
3534 if (font_old.emph() != curstate)
3535 doFontSwitchDocBook(tagsToOpen, tagsToClose, fs.emph_flag, curstate, xml::FT_EMPH);
3538 curstate = font.fontInfo().noun();
3539 if (font_old.noun() != curstate)
3540 doFontSwitchDocBook(tagsToOpen, tagsToClose, fs.noun_flag, curstate, xml::FT_NOUN);
3543 curstate = font.fontInfo().underbar();
3544 if (font_old.underbar() != curstate)
3545 doFontSwitchDocBook(tagsToOpen, tagsToClose, fs.ubar_flag, curstate, xml::FT_UBAR);
3548 curstate = font.fontInfo().strikeout();
3549 if (font_old.strikeout() != curstate)
3550 doFontSwitchDocBook(tagsToOpen, tagsToClose, fs.sout_flag, curstate, xml::FT_SOUT);
3553 curstate = font.fontInfo().xout();
3554 if (font_old.xout() != curstate)
3555 doFontSwitchDocBook(tagsToOpen, tagsToClose, fs.xout_flag, curstate, xml::FT_XOUT);
3558 curstate = font.fontInfo().uuline();
3559 if (font_old.uuline() != curstate)
3560 doFontSwitchDocBook(tagsToOpen, tagsToClose, fs.dbar_flag, curstate, xml::FT_DBAR);
3563 curstate = font.fontInfo().uwave();
3564 if (font_old.uwave() != curstate)
3565 doFontSwitchDocBook(tagsToOpen, tagsToClose, fs.wave_flag, curstate, xml::FT_WAVE);
3568 // a little hackish, but allows us to reuse what we have.
3569 curstate = (font.fontInfo().series() == BOLD_SERIES ? FONT_ON : FONT_OFF);
3570 if (font_old.series() != font.fontInfo().series())
3571 doFontSwitchDocBook(tagsToOpen, tagsToClose, fs.bold_flag, curstate, xml::FT_BOLD);
3574 fs.curr_fs = font.fontInfo().shape();
3575 FontShape old_fs = font_old.shape();
3576 if (old_fs != fs.curr_fs) {
3578 OptionalFontType tag = fontShapeToXml(old_fs);
3580 tagsToClose.push_back(docbookEndFontTag(tag.ft));
3581 fs.shap_flag = false;
3584 OptionalFontType tag = fontShapeToXml(fs.curr_fs);
3586 tagsToOpen.push_back(docbookStartFontTag(tag.ft));
3590 fs.curr_fam = font.fontInfo().family();
3591 FontFamily old_fam = font_old.family();
3592 if (old_fam != fs.curr_fam) {
3594 OptionalFontType tag = fontFamilyToXml(old_fam);
3596 tagsToClose.push_back(docbookEndFontTag(tag.ft));
3597 fs.faml_flag = false;
3599 switch (fs.curr_fam) {
3601 // we will treat a "default" font family as roman, since we have
3602 // no other idea what to do.
3603 if (default_family != "rmdefault" && default_family != "default") {
3604 tagsToOpen.push_back(docbookStartFontTag(xml::FT_ROMAN));
3605 fs.faml_flag = true;
3609 if (default_family != "sfdefault") {
3610 tagsToOpen.push_back(docbookStartFontTag(xml::FT_SANS));
3611 fs.faml_flag = true;
3614 case TYPEWRITER_FAMILY:
3615 if (default_family != "ttdefault") {
3616 tagsToOpen.push_back(docbookStartFontTag(xml::FT_TYPE));
3617 fs.faml_flag = true;
3620 case INHERIT_FAMILY:
3623 // the other tags are for internal use
3630 fs.curr_size = font.fontInfo().size();
3631 FontSize old_size = font_old.size();
3632 if (old_size != fs.curr_size) {
3634 OptionalFontType tag = fontSizeToXml(old_size);
3636 tagsToClose.push_back(docbookEndFontTag(tag.ft));
3637 fs.size_flag = false;
3640 OptionalFontType tag = fontSizeToXml(fs.curr_size);
3641 if (tag.has_value) {
3642 tagsToOpen.push_back(docbookStartFontTag(tag.ft));
3643 fs.size_flag = true;
3647 return std::tuple<vector<xml::FontTag>, vector<xml::EndFontTag>>(tagsToOpen, tagsToClose);
3650 } // anonymous namespace
3653 std::tuple<std::vector<docstring>, std::vector<docstring>, std::vector<docstring>>
3654 Paragraph::simpleDocBookOnePar(Buffer const & buf,
3655 OutputParams const & runparams,
3656 Font const & outerfont,
3659 bool ignore_fonts) const
3661 // Return values: segregation of the content of this paragraph.
3662 std::vector<docstring> prependedParagraphs; // Anything that must be output before the main tag of this paragraph.
3663 std::vector<docstring> generatedParagraphs; // The main content of the paragraph.
3664 std::vector<docstring> appendedParagraphs; // Anything that must be output after the main tag of this paragraph.
3666 // Internal string stream to store the output before being added to one of the previous lists.
3667 odocstringstream os;
3669 // If there is an argument that must be output before the main tag, do it before handling the rest of the paragraph.
3670 // Also tag all arguments that shouldn't go in the main content right now, so that they are never generated at the
3672 OutputParams rp = runparams;
3673 for (pos_type i = initial; i < size(); ++i) {
3674 if (getInset(i) && getInset(i)->lyxCode() == ARG_CODE) {
3675 const InsetArgument * arg = getInset(i)->asInsetArgument();
3676 if (arg->docbookargumentbeforemaintag()) {
3677 auto xs_local = XMLStream(os);
3678 arg->docbook(xs_local, rp);
3680 prependedParagraphs.push_back(os.str());
3681 os.str(from_ascii(""));
3683 rp.docbook_prepended_arguments.insert(arg);
3684 } else if (arg->docbookargumentaftermaintag()) {
3685 rp.docbook_appended_arguments.insert(arg);
3691 // State variables for the main loop.
3692 auto xs = new XMLStream(os); // XMLStream has no copy constructor: to create a new object, the only solution
3693 // is to hold a pointer to the XMLStream (xs = XMLStream(os) is not allowed once the first object is built).
3694 xs->startDivision(false);
3695 std::vector<docstring> delayedChars; // When a font tag ends with a space, output it after the closing font tag.
3696 // This requires to store delayed characters at some point.
3698 // Track whether we have opened font tags
3699 DocBookFontState fs;
3700 DocBookFontState old_fs = fs;
3702 Layout const & style = *d->layout_;
3704 // Conversion of the font opening/closing into DocBook tags.
3705 vector<xml::FontTag> tagsToOpen;
3706 vector<xml::EndFontTag> tagsToClose;
3708 // Parsing main loop.
3709 for (pos_type i = initial; i < size(); ++i) {
3710 bool ignore_fonts_i = ignore_fonts
3711 || style.docbooknofontinside()
3712 || (getInset(i) && getInset(i)->getLayout().docbooknofontinside());
3714 // Don't show deleted material in the output.
3718 // If this is an InsetNewline, generate a new paragraph (this is the reason why generatedParagraphs is a list
3719 // of paragraphs). Also reset the fonts, so that tags are closed in this paragraph.
3720 if (getInset(i) && getInset(i)->lyxCode() == NEWLINE_CODE) {
3721 if (!ignore_fonts_i)
3722 xs->closeFontTags();
3724 // Output one paragraph (i.e. one string entry in generatedParagraphs).
3725 generatedParagraphs.push_back(os.str());
3729 // Create a new XMLStream for the new paragraph, completely independent of the previous one. This implies
3730 // that the string stream must be reset.
3731 os.str(from_ascii(""));
3733 xs = new XMLStream(os);
3734 xs->startDivision(false);
3736 // Restore the fonts for the new paragraph, so that the right tags are opened for the new entry.
3737 if (!ignore_fonts_i) {
3742 // Determine which tags should be opened or closed regarding fonts. Consider the last output character (i.e. not
3744 int last_output_char = (i == 0) ? 0 : i - 1;
3746 while (last_output_char > 0 && isDeleted(last_output_char))
3749 FontInfo const font_old = (i == 0 ?
3750 (style.labeltype == LABEL_MANUAL ? style.labelfont : style.font) :
3751 getFont(buf.masterBuffer()->params(), last_output_char, outerfont).fontInfo());
3752 Font const font = getFont(buf.masterBuffer()->params(), i, outerfont);
3753 tie(tagsToOpen, tagsToClose) = computeDocBookFontSwitch(
3754 font_old, font, buf.masterBuffer()->params().fonts_default_family, fs);
3756 if (!ignore_fonts_i) {
3757 vector<xml::EndFontTag>::const_iterator cit = tagsToClose.begin();
3758 vector<xml::EndFontTag>::const_iterator cen = tagsToClose.end();
3759 for (; cit != cen; ++cit)
3763 // Deal with the delayed characters *after* closing font tags.
3764 if (!delayedChars.empty()) {
3765 for (const docstring& c: delayedChars)
3766 *xs << XMLStream::ESCAPE_NONE << c;
3767 delayedChars.clear();
3770 if (!ignore_fonts_i) {
3771 vector<xml::FontTag>::const_iterator sit = tagsToOpen.begin();
3772 vector<xml::FontTag>::const_iterator sen = tagsToOpen.end();
3773 for (; sit != sen; ++sit)
3777 // The font tags are no longer useful; free their memory right now.
3778 tagsToClose.clear();
3781 // Finally, write the next character or inset.
3782 if (Inset const * inset = getInset(i)) {
3783 bool inset_is_argument_elsewhere = getInset(i)->asInsetArgument() &&
3784 rp.docbook_appended_arguments.find(inset->asInsetArgument()) != rp.docbook_appended_arguments.end() &&
3785 rp.docbook_prepended_arguments.find(inset->asInsetArgument()) != rp.docbook_prepended_arguments.end();
3787 if ((!rp.for_toc || inset->isInToc()) && !inset_is_argument_elsewhere) {
3788 // Arguments may need to be output
3789 OutputParams np = rp;
3790 np.local_font = &font;
3792 // TODO: special case will bite here.
3793 np.docbook_in_par = true;
3794 inset->docbook(*xs, np);
3797 char_type c = getUChar(buf.masterBuffer()->params(), rp, i);
3798 if (lyx::isSpace(c) && !ignore_fonts) { // Delay spaces *after* the font-tag closure for cleaner output.
3799 if (c == ' ' && (style.free_spacing || rp.free_spacing)) {
3800 delayedChars.push_back(from_ascii(" "));
3802 delayedChars.emplace_back(1, c);
3804 } else { // No need to delay the character.
3805 if (c == '\'' && !ignore_fonts)
3806 *xs << XMLStream::ESCAPE_NONE << "’";
3813 // Ensure that the tags are closed at the right place. Otherwise, there might be an open font tag with no content
3814 // that no other code cares to close.
3815 *xs << xml::NullTag();
3817 // FIXME, this code is just imported from XHTML
3818 // I'm worried about what happens if a branch, say, is itself
3819 // wrapped in some font stuff. I think that will not work.
3821 xs->closeFontTags();
3823 // Close the potentially remaining tags, like pending font tags.
3824 // There is no need to check for ignore_fonts, as these tags won't be
3825 // inserted in the stack in the first place if ignore_fonts is false.
3828 // Deal with the delayed characters *after* closing font tags.
3829 if (!delayedChars.empty()) {
3830 for (const docstring &c: delayedChars)
3831 *xs << XMLStream::ESCAPE_NONE << c;
3832 delayedChars.clear();
3835 // In listings, new lines (i.e. \n characters in the output) are very important. Avoid generating one for the
3836 // last line to get a clean output.
3837 if (rp.docbook_in_listing && !is_last_par)
3840 // Finalise the last (and most likely only) paragraph.
3841 generatedParagraphs.push_back(os.str());
3842 os.str(from_ascii(""));
3845 // If there is an argument that must be output after the main tag, do it after handling the rest of the paragraph.
3846 for (pos_type i = initial; i < size(); ++i) {
3847 if (getInset(i) && getInset(i)->lyxCode() == ARG_CODE) {
3848 const InsetArgument * arg = getInset(i)->asInsetArgument();
3849 if (arg->docbookargumentaftermaintag()) {
3850 // Don't use rp, as this argument would not generate anything.
3851 auto xs_local = XMLStream(os);
3852 arg->docbook(xs_local, runparams);
3854 appendedParagraphs.push_back(os.str());
3855 os.str(from_ascii(""));
3860 return std::make_tuple(prependedParagraphs, generatedParagraphs, appendedParagraphs);
3866 void doFontSwitchXHTML(vector<xml::FontTag> & tagsToOpen,
3867 vector<xml::EndFontTag> & tagsToClose,
3868 bool & flag, FontState curstate, xml::FontTypes type)
3870 if (curstate == FONT_ON) {
3871 tagsToOpen.push_back(xhtmlStartFontTag(type));
3874 tagsToClose.push_back(xhtmlEndFontTag(type));
3879 } // anonymous namespace
3882 docstring Paragraph::simpleLyXHTMLOnePar(Buffer const & buf,
3884 OutputParams const & runparams,
3885 Font const & outerfont,
3886 bool start_paragraph, bool close_paragraph,
3887 pos_type initial) const
3891 // track whether we have opened these tags
3892 bool emph_flag = false;
3893 bool bold_flag = false;
3894 bool noun_flag = false;
3895 bool ubar_flag = false;
3896 bool dbar_flag = false;
3897 bool sout_flag = false;
3898 bool xout_flag = false;
3899 bool wave_flag = false;
3901 bool shap_flag = false;
3903 bool faml_flag = false;
3905 bool size_flag = false;
3907 Layout const & style = *d->layout_;
3909 if (start_paragraph)
3910 xs.startDivision(allowEmpty());
3913 style.labeltype == LABEL_MANUAL ? style.labelfont : style.font;
3915 FontShape curr_fs = INHERIT_SHAPE;
3916 FontFamily curr_fam = INHERIT_FAMILY;
3917 FontSize curr_size = INHERIT_SIZE;
3919 string const default_family =
3920 buf.masterBuffer()->params().fonts_default_family;
3922 vector<xml::FontTag> tagsToOpen;
3923 vector<xml::EndFontTag> tagsToClose;
3925 // parsing main loop
3926 for (pos_type i = initial; i < size(); ++i) {
3927 // let's not show deleted material in the output
3931 Font const font = getFont(buf.masterBuffer()->params(), i, outerfont);
3934 FontState curstate = font.fontInfo().emph();
3935 if (font_old.emph() != curstate)
3936 doFontSwitchXHTML(tagsToOpen, tagsToClose, emph_flag, curstate, xml::FT_EMPH);
3939 curstate = font.fontInfo().noun();
3940 if (font_old.noun() != curstate)
3941 doFontSwitchXHTML(tagsToOpen, tagsToClose, noun_flag, curstate, xml::FT_NOUN);
3944 curstate = font.fontInfo().underbar();
3945 if (font_old.underbar() != curstate)
3946 doFontSwitchXHTML(tagsToOpen, tagsToClose, ubar_flag, curstate, xml::FT_UBAR);
3949 curstate = font.fontInfo().strikeout();
3950 if (font_old.strikeout() != curstate)
3951 doFontSwitchXHTML(tagsToOpen, tagsToClose, sout_flag, curstate, xml::FT_SOUT);
3954 curstate = font.fontInfo().xout();
3955 if (font_old.xout() != curstate)
3956 doFontSwitchXHTML(tagsToOpen, tagsToClose, xout_flag, curstate, xml::FT_XOUT);
3959 curstate = font.fontInfo().uuline();
3960 if (font_old.uuline() != curstate)
3961 doFontSwitchXHTML(tagsToOpen, tagsToClose, dbar_flag, curstate, xml::FT_DBAR);
3964 curstate = font.fontInfo().uwave();
3965 if (font_old.uwave() != curstate)
3966 doFontSwitchXHTML(tagsToOpen, tagsToClose, wave_flag, curstate, xml::FT_WAVE);
3969 // a little hackish, but allows us to reuse what we have.
3970 curstate = (font.fontInfo().series() == BOLD_SERIES ? FONT_ON : FONT_OFF);
3971 if (font_old.series() != font.fontInfo().series())
3972 doFontSwitchXHTML(tagsToOpen, tagsToClose, bold_flag, curstate, xml::FT_BOLD);
3975 curr_fs = font.fontInfo().shape();
3976 FontShape old_fs = font_old.shape();
3977 if (old_fs != curr_fs) {
3981 tagsToClose.emplace_back(xhtmlEndFontTag(xml::FT_ITALIC));
3984 tagsToClose.emplace_back(xhtmlEndFontTag(xml::FT_SLANTED));
3986 case SMALLCAPS_SHAPE:
3987 tagsToClose.emplace_back(xhtmlEndFontTag(xml::FT_SMALLCAPS));
3993 // the other tags are for internal use
4001 tagsToOpen.emplace_back(xhtmlStartFontTag(xml::FT_ITALIC));
4005 tagsToOpen.emplace_back(xhtmlStartFontTag(xml::FT_SLANTED));
4008 case SMALLCAPS_SHAPE:
4009 tagsToOpen.emplace_back(xhtmlStartFontTag(xml::FT_SMALLCAPS));
4016 // the other tags are for internal use
4023 curr_fam = font.fontInfo().family();
4024 FontFamily old_fam = font_old.family();
4025 if (old_fam != curr_fam) {
4029 tagsToClose.emplace_back(xhtmlEndFontTag(xml::FT_ROMAN));
4032 tagsToClose.emplace_back(xhtmlEndFontTag(xml::FT_SANS));
4034 case TYPEWRITER_FAMILY:
4035 tagsToClose.emplace_back(xhtmlEndFontTag(xml::FT_TYPE));
4037 case INHERIT_FAMILY:
4040 // the other tags are for internal use
4048 // we will treat a "default" font family as roman, since we have
4049 // no other idea what to do.
4050 if (default_family != "rmdefault" && default_family != "default") {
4051 tagsToOpen.emplace_back(xhtmlStartFontTag(xml::FT_ROMAN));
4056 if (default_family != "sfdefault") {
4057 tagsToOpen.emplace_back(xhtmlStartFontTag(xml::FT_SANS));
4061 case TYPEWRITER_FAMILY:
4062 if (default_family != "ttdefault") {
4063 tagsToOpen.emplace_back(xhtmlStartFontTag(xml::FT_TYPE));
4067 case INHERIT_FAMILY:
4070 // the other tags are for internal use
4077 curr_size = font.fontInfo().size();
4078 FontSize old_size = font_old.size();
4079 if (old_size != curr_size) {
4083 tagsToClose.emplace_back(xhtmlEndFontTag(xml::FT_SIZE_TINY));
4086 tagsToClose.emplace_back(xhtmlEndFontTag(xml::FT_SIZE_SCRIPT));
4089 tagsToClose.emplace_back(xhtmlEndFontTag(xml::FT_SIZE_FOOTNOTE));
4092 tagsToClose.emplace_back(xhtmlEndFontTag(xml::FT_SIZE_SMALL));
4095 tagsToClose.emplace_back(xhtmlEndFontTag(xml::FT_SIZE_LARGE));
4098 tagsToClose.emplace_back(xhtmlEndFontTag(xml::FT_SIZE_LARGER));
4101 tagsToClose.emplace_back(xhtmlEndFontTag(xml::FT_SIZE_LARGEST));
4104 tagsToClose.emplace_back(xhtmlEndFontTag(xml::FT_SIZE_HUGE));
4107 tagsToClose.emplace_back(xhtmlEndFontTag(xml::FT_SIZE_HUGER));
4110 tagsToClose.emplace_back(xhtmlEndFontTag(xml::FT_SIZE_INCREASE));
4113 tagsToClose.emplace_back(xhtmlEndFontTag(xml::FT_SIZE_DECREASE));
4119 // the other tags are for internal use
4125 switch (curr_size) {
4127 tagsToOpen.emplace_back(xhtmlStartFontTag(xml::FT_SIZE_TINY));
4131 tagsToOpen.emplace_back(xhtmlStartFontTag(xml::FT_SIZE_SCRIPT));
4135 tagsToOpen.emplace_back(xhtmlStartFontTag(xml::FT_SIZE_FOOTNOTE));
4139 tagsToOpen.emplace_back(xhtmlStartFontTag(xml::FT_SIZE_SMALL));
4143 tagsToOpen.emplace_back(xhtmlStartFontTag(xml::FT_SIZE_LARGE));
4147 tagsToOpen.emplace_back(xhtmlStartFontTag(xml::FT_SIZE_LARGER));
4151 tagsToOpen.emplace_back(xhtmlStartFontTag(xml::FT_SIZE_LARGEST));
4155 tagsToOpen.emplace_back(xhtmlStartFontTag(xml::FT_SIZE_HUGE));
4159 tagsToOpen.emplace_back(xhtmlStartFontTag(xml::FT_SIZE_HUGER));
4163 tagsToOpen.emplace_back(xhtmlStartFontTag(xml::FT_SIZE_INCREASE));
4167 tagsToOpen.emplace_back(xhtmlStartFontTag(xml::FT_SIZE_DECREASE));
4174 // the other tags are for internal use
4181 // Other such tags? What about the other text ranges?
4183 for (auto const & t : tagsToClose)
4185 for (auto const & t : tagsToOpen)
4187 tagsToClose.clear();
4190 Inset const * inset = getInset(i);
4192 if (!runparams.for_toc || inset->isInToc()) {
4193 OutputParams np = runparams;
4194 np.local_font = &font;
4195 // If the paragraph has size 1, then we are in the "special
4196 // case" where we do not output the containing paragraph info
4197 if (!inset->getLayout().htmlisblock() && size() != 1)
4198 np.html_in_par = true;
4199 retval += inset->xhtml(xs, np);
4202 char_type c = getUChar(buf.masterBuffer()->params(),
4204 if (c == ' ' && (style.free_spacing || runparams.free_spacing))
4205 xs << XMLStream::ESCAPE_NONE << " ";
4207 xs << XMLStream::ESCAPE_NONE << "’";
4211 font_old = font.fontInfo();
4215 // I'm worried about what happens if a branch, say, is itself
4216 // wrapped in some font stuff. I think that will not work.
4218 if (close_paragraph)
4225 bool Paragraph::isHfill(pos_type pos) const
4227 Inset const * inset = getInset(pos);
4228 return inset && inset->isHfill();
4232 bool Paragraph::isNewline(pos_type pos) const
4234 // U+2028 LINE SEPARATOR
4235 // U+2029 PARAGRAPH SEPARATOR
4236 char_type const c = d->text_[pos];
4237 if (c == 0x2028 || c == 0x2029)
4239 Inset const * inset = getInset(pos);
4240 return inset && inset->lyxCode() == NEWLINE_CODE;
4244 bool Paragraph::isEnvSeparator(pos_type pos) const
4246 Inset const * inset = getInset(pos);
4247 return inset && inset->lyxCode() == SEPARATOR_CODE;
4251 bool Paragraph::isLineSeparator(pos_type pos) const
4253 char_type const c = d->text_[pos];
4254 if (isLineSeparatorChar(c))
4256 Inset const * inset = getInset(pos);
4257 return inset && inset->isLineSeparator();
4261 bool Paragraph::isWordSeparator(pos_type pos, bool const ignore_deleted) const
4265 if (ignore_deleted && isDeleted(pos))
4267 if (Inset const * inset = getInset(pos))
4268 return !inset->isLetter();
4269 // if we have a hard hyphen (no en- or emdash) or apostrophe
4270 // we pass this to the spell checker
4271 // FIXME: this method is subject to change, visit
4272 // https://bugzilla.mozilla.org/show_bug.cgi?id=355178
4273 // to get an impression how complex this is.
4274 if (isHardHyphenOrApostrophe(pos))
4276 char_type const c = d->text_[pos];
4277 // We want to pass the escape chars to the spellchecker
4278 docstring const escape_chars = from_utf8(lyxrc.spellchecker_esc_chars);
4279 return !isLetterChar(c) && !isDigitASCII(c) && !contains(escape_chars, c);
4283 bool Paragraph::isHardHyphenOrApostrophe(pos_type pos) const
4285 pos_type const psize = size();
4288 char_type const c = d->text_[pos];
4289 if (c != '-' && c != '\'')
4291 pos_type nextpos = pos + 1;
4292 pos_type prevpos = pos > 0 ? pos - 1 : 0;
4293 if ((nextpos == psize || isSpace(nextpos))
4294 && (pos == 0 || isSpace(prevpos)))
4300 bool Paragraph::needsCProtection(bool const fragile) const
4302 // first check the layout of the paragraph, but only in insets
4303 // and not in tables
4304 InsetText const * textinset = inInset().asInsetText();
4305 bool const maintext = textinset
4306 ? textinset->text().isMainText() || inInset().lyxCode() == CELL_CODE
4309 if (!maintext && layout().needcprotect) {
4310 // Environments need cprotection regardless the content
4311 if (layout().latextype == LATEX_ENVIRONMENT)
4314 // Commands need cprotection if they contain specific chars
4315 int const nchars_escape = 9;
4316 static char_type const chars_escape[nchars_escape] = {
4317 '&', '_', '$', '%', '#', '^', '{', '}', '\\'};
4319 docstring const pars = asString();
4320 for (int k = 0; k < nchars_escape; k++) {
4321 if (contains(pars, chars_escape[k]))
4326 // now check whether we have insets that need cprotection
4327 for (auto const & icit : d->insetlist_) {
4328 Inset const * ins = icit.inset;
4331 if (ins->needsCProtection(maintext, fragile))
4339 FontSpan const & Paragraph::getSpellRange(pos_type pos) const
4341 return d->speller_state_.getRange(pos);
4345 bool Paragraph::isChar(pos_type pos) const
4347 if (Inset const * inset = getInset(pos))
4348 return inset->isChar();
4349 char_type const c = d->text_[pos];
4350 return !isLetterChar(c) && !isDigitASCII(c) && !lyx::isSpace(c);
4354 bool Paragraph::isSpace(pos_type pos) const
4356 if (Inset const * inset = getInset(pos))
4357 return inset->isSpace();
4358 char_type const c = d->text_[pos];
4359 return lyx::isSpace(c);
4364 Paragraph::getParLanguage(BufferParams const & bparams) const
4367 return getFirstFontSettings(bparams).language();
4368 // FIXME: we should check the prev par as well (Lgb)
4369 return bparams.language;
4373 bool Paragraph::isRTL(BufferParams const & bparams) const
4375 return getParLanguage(bparams)->rightToLeft()
4376 && !inInset().getLayout().forceLTR();
4380 void Paragraph::changeLanguage(BufferParams const & bparams,
4381 Language const * from, Language const * to)
4383 // change language including dummy font change at the end
4384 for (pos_type i = 0; i <= size(); ++i) {
4385 Font font = getFontSettings(bparams, i);
4386 if (font.language() == from) {
4387 font.setLanguage(to);
4389 d->requestSpellCheck(i);
4395 bool Paragraph::isMultiLingual(BufferParams const & bparams) const
4397 Language const * doc_language = bparams.language;
4398 for (auto const & f : d->fontlist_)
4399 if (f.font().language() != ignore_language &&
4400 f.font().language() != latex_language &&
4401 f.font().language() != doc_language)
4407 void Paragraph::getLanguages(std::set<Language const *> & langs) const
4409 for (auto const & f : d->fontlist_) {
4410 Language const * lang = f.font().language();
4411 if (lang != ignore_language &&
4412 lang != latex_language)
4418 docstring Paragraph::asString(int options) const
4420 return asString(0, size(), options);
4424 docstring Paragraph::asString(pos_type beg, pos_type end, int options, const OutputParams *runparams) const
4426 odocstringstream os;
4429 && options & AS_STR_LABEL
4430 && d->layout_->labeltype != LABEL_MANUAL
4431 && !d->params_.labelString().empty())
4432 os << d->params_.labelString() << ' ';
4434 for (pos_type i = beg; i < end; ++i) {
4435 if ((options & AS_STR_SKIPDELETE) && isDeleted(i))
4437 char_type const c = d->text_[i];
4438 if (isPrintable(c) || c == '\t'
4439 || (c == '\n' && (options & AS_STR_NEWLINES)))
4441 else if (c == META_INSET && (options & AS_STR_INSETS)) {
4442 if (c == META_INSET && (options & AS_STR_PLAINTEXT)) {
4443 LASSERT(runparams != nullptr, return docstring());
4444 if (runparams->find_effective() && getInset(i)->findUsesToString())
4445 getInset(i)->toString(os);
4447 getInset(i)->plaintext(os, *runparams);
4448 } else if (c == META_INSET && (options & AS_STR_MATHED)
4449 && getInset(i)->lyxCode() == REF_CODE) {
4450 Buffer const & buf = getInset(i)->buffer();
4451 OutputParams rp(&buf.params().encoding());
4452 Font const font(inherit_font, buf.params().language);
4453 rp.local_font = &font;
4455 getInset(i)->latex(ots, rp);
4457 getInset(i)->toString(os);
4466 void Paragraph::forOutliner(docstring & os, size_t const maxlen,
4467 bool const shorten, bool const label) const
4469 size_t tmplen = shorten ? maxlen + 1 : maxlen;
4470 if (label && !labelString().empty())
4471 os += labelString() + ' ';
4472 if (!layout().isTocCaption())
4474 for (pos_type i = 0; i < size() && os.length() < tmplen; ++i) {
4477 char_type const c = d->text_[i];
4480 else if (c == META_INSET)
4481 getInset(i)->forOutliner(os, tmplen, false);
4484 Text::shortenForOutliner(os, maxlen);
4488 void Paragraph::setInsetOwner(Inset const * inset)
4490 d->inset_owner_ = inset;
4494 int Paragraph::id() const
4500 void Paragraph::setId(int id)
4506 Layout const & Paragraph::layout() const
4512 void Paragraph::setLayout(Layout const & layout)
4514 d->layout_ = &layout;
4518 void Paragraph::setDefaultLayout(DocumentClass const & tc)
4520 setLayout(tc.defaultLayout());
4524 void Paragraph::setPlainLayout(DocumentClass const & tc)
4526 setLayout(tc.plainLayout());
4530 void Paragraph::setPlainOrDefaultLayout(DocumentClass const & tc)
4532 if (usePlainLayout())
4535 setDefaultLayout(tc);
4539 Inset const & Paragraph::inInset() const
4541 LBUFERR(d->inset_owner_);
4542 return *d->inset_owner_;
4546 ParagraphParameters & Paragraph::params()
4552 ParagraphParameters const & Paragraph::params() const
4558 bool Paragraph::isFreeSpacing() const
4560 if (d->layout_->free_spacing)
4562 return d->inset_owner_ && d->inset_owner_->isFreeSpacing();
4566 bool Paragraph::allowEmpty() const
4568 if (d->layout_->keepempty)
4570 return d->inset_owner_ && d->inset_owner_->allowEmpty();
4574 int Paragraph::getInsetPos(InsetCode const code, int startpos,
4575 bool ignore_deleted) const
4577 while (startpos != -1) {
4578 int found_pos = d->insetlist_.find(code, startpos);
4579 if (found_pos == -1)
4582 if (isDeleted(found_pos) && ignore_deleted) {
4583 // we're not interested in deleted insets
4584 if (found_pos + 1 == size())
4586 startpos = found_pos + 1;
4595 bool Paragraph::brokenBiblio() const
4597 // There is a problem if there is no bibitem at position 0 in
4598 // paragraphs that need one, if there is another bibitem in the
4599 // paragraph or if this paragraph is not supposed to have
4600 // a bibitem inset at all.
4601 return ((d->layout_->labeltype == LABEL_BIBLIO
4602 && (getInsetPos(BIBITEM_CODE, 0, true) != 0
4603 || getInsetPos(BIBITEM_CODE, 1, true) > 0))
4604 || (d->layout_->labeltype != LABEL_BIBLIO
4605 && getInsetPos(BIBITEM_CODE, 0, true) != -1));
4609 int Paragraph::fixBiblio(Buffer const & buffer)
4611 // FIXME: when there was already an inset at 0, the return value is 1,
4612 // which does not tell whether another inset has been removed; the
4613 // cursor cannot be correctly updated.
4615 bool const track_changes = buffer.params().track_changes;
4616 int bibitem_pos = getInsetPos(BIBITEM_CODE, 0, true);
4618 // The case where paragraph is not BIBLIO
4619 if (d->layout_->labeltype != LABEL_BIBLIO) {
4620 if (bibitem_pos == -1)
4621 // No InsetBibitem => OK
4623 // There is an InsetBibitem: remove it!
4624 d->insetlist_.release(bibitem_pos);
4625 eraseChar(bibitem_pos, track_changes);
4626 return (bibitem_pos == 0) ? -1 : -bibitem_pos;
4629 bool const hasbibitem0 = bibitem_pos == 0;
4631 bibitem_pos = getInsetPos(BIBITEM_CODE, 0, true);
4632 // There was an InsetBibitem at pos 0,
4633 // and no other one => OK
4634 if (bibitem_pos == -1)
4636 // there is a bibitem at the 0 position, but since
4637 // there is a second one, we copy the second on the
4638 // first. We're assuming there are at most two of
4639 // these, which there should be.
4640 // FIXME: why does it make sense to do that rather
4641 // than keep the first? (JMarc)
4642 Inset * inset = releaseInset(bibitem_pos);
4643 d->insetlist_.begin()->inset = inset;
4644 // This needs to be done to update the counter (#8499)
4645 buffer.updateBuffer();
4646 return -bibitem_pos;
4649 // We need to create an inset at the beginning
4650 Inset * inset = nullptr;
4651 if (bibitem_pos > 0) {
4652 // There was one somewhere in the paragraph, let's move it
4653 // * With change tracking, we use a clone
4654 // and leave the old inset at its position
4656 // * Without change tracking, we release the inset
4657 // from its previous InsetList position
4658 inset = track_changes
4659 ? new InsetBibitem(const_cast<Buffer *>(&buffer),
4660 getInset(bibitem_pos)->asInsetCommand()->params())
4661 : d->insetlist_.release(bibitem_pos);
4662 eraseChar(bibitem_pos, track_changes);
4664 // No inset found -- make a fresh one
4665 inset = new InsetBibitem(const_cast<Buffer *>(&buffer),
4666 InsetCommandParams(BIBITEM_CODE));
4668 Font font(inherit_font, buffer.params().language);
4669 insertInset(0, inset, font, Change(track_changes ? Change::INSERTED
4670 : Change::UNCHANGED));
4672 // This is needed to get the counters right
4673 buffer.updateBuffer();
4678 void Paragraph::checkAuthors(AuthorList const & authorList)
4680 d->changes_.checkAuthors(authorList);
4684 bool Paragraph::isChanged(pos_type pos) const
4686 return lookupChange(pos).changed();
4690 bool Paragraph::isInserted(pos_type pos) const
4692 return lookupChange(pos).inserted();
4696 bool Paragraph::isDeleted(pos_type pos) const
4698 return lookupChange(pos).deleted();
4702 InsetList const & Paragraph::insetList() const
4704 return d->insetlist_;
4708 void Paragraph::setInsetBuffers(Buffer & b)
4710 d->insetlist_.setBuffer(b);
4714 void Paragraph::resetBuffer()
4716 d->insetlist_.resetBuffer();
4720 Inset * Paragraph::releaseInset(pos_type pos)
4722 Inset * inset = d->insetlist_.release(pos);
4723 /// does not honour change tracking!
4724 eraseChar(pos, false);
4729 Inset * Paragraph::getInset(pos_type pos)
4731 return (pos < pos_type(d->text_.size()) && d->text_[pos] == META_INSET)
4732 ? d->insetlist_.get(pos) : nullptr;
4736 Inset const * Paragraph::getInset(pos_type pos) const
4738 return (pos < pos_type(d->text_.size()) && d->text_[pos] == META_INSET)
4739 ? d->insetlist_.get(pos) : nullptr;
4743 void Paragraph::changeCase(BufferParams const & bparams, pos_type pos,
4744 pos_type & right, TextCase action)
4746 // process sequences of modified characters; in change
4747 // tracking mode, this approach results in much better
4748 // usability than changing case on a char-by-char basis
4749 // We also need to track the current font, since font
4750 // changes within sequences can occur.
4751 vector<pair<char_type, Font> > changes;
4753 bool const trackChanges = bparams.track_changes;
4755 bool capitalize = true;
4757 for (; pos < right; ++pos) {
4758 char_type oldChar = d->text_[pos];
4759 char_type newChar = oldChar;
4761 // ignore insets and don't play with deleted text!
4762 if (oldChar != META_INSET && !isDeleted(pos)) {
4764 case text_lowercase:
4765 newChar = lowercase(oldChar);
4767 case text_capitalization:
4769 newChar = uppercase(oldChar);
4773 case text_uppercase:
4774 newChar = uppercase(oldChar);
4779 if (isWordSeparator(pos) || isDeleted(pos)) {
4780 // permit capitalization again
4784 if (oldChar != newChar) {
4785 changes.push_back(make_pair(newChar, getFontSettings(bparams, pos)));
4786 if (pos != right - 1)
4788 // step behind the changing area
4792 int erasePos = pos - changes.size();
4793 for (auto const & change : changes) {
4794 insertChar(pos, change.first, change.second, trackChanges);
4795 if (!eraseChar(erasePos, trackChanges)) {
4798 ++right; // expand selection
4805 int Paragraph::find(docstring const & str, bool cs, bool mw,
4806 pos_type start_pos, bool del) const
4808 pos_type pos = start_pos;
4809 int const strsize = str.length();
4811 pos_type const parsize = d->text_.size();
4812 for (i = 0; i < strsize && pos < parsize; ++i, ++pos) {
4813 // ignore deleted matter
4814 if (!del && isDeleted(pos)) {
4815 if (pos == parsize - 1)
4821 // Ignore "invisible" letters such as ligature breaks
4822 // and hyphenation chars while searching
4823 bool nonmatch = false;
4824 while (pos < parsize && isInset(pos)) {
4825 Inset const * inset = getInset(pos);
4826 if (!inset->isLetter() && !inset->isChar())
4828 odocstringstream os;
4829 if (inset->lyxCode() == lyx::QUOTE_CODE || inset->lyxCode() == lyx::SPACE_CODE) {
4831 op.find_set_feature(OutputParams::SearchQuick);
4832 inset->plaintext(os, op);
4835 inset->toString(os);
4837 docstring const insetstring = os.str();
4838 if (!insetstring.empty()) {
4839 int const insetstringsize = insetstring.length();
4840 for (int j = 0; j < insetstringsize && pos < parsize; ++i, ++j) {
4841 if ((cs && str[i] != insetstring[j])
4842 || (!cs && uppercase(str[i]) != uppercase(insetstring[j]))) {
4850 if (nonmatch || i == strsize)
4852 char_type dp = d->text_[pos];
4853 if (cs && str[i] != dp)
4855 if (!cs && uppercase(str[i]) != uppercase(dp))
4862 // if necessary, check whether string matches word
4864 if (start_pos > 0 && !isWordSeparator(start_pos - 1))
4867 && !isWordSeparator(pos))
4871 return pos - start_pos;
4875 char_type Paragraph::getChar(pos_type pos) const
4877 return d->text_[pos];
4881 pos_type Paragraph::size() const
4883 return d->text_.size();
4887 bool Paragraph::empty() const
4889 return d->text_.empty();
4893 bool Paragraph::isInset(pos_type pos) const
4895 return d->text_[pos] == META_INSET;
4899 bool Paragraph::isSeparator(pos_type pos) const
4901 //FIXME: Are we sure this can be the only separator?
4902 return d->text_[pos] == ' ';
4906 void Paragraph::deregisterWords()
4908 Private::LangWordsMap::const_iterator itl = d->words_.begin();
4909 Private::LangWordsMap::const_iterator ite = d->words_.end();
4910 for (; itl != ite; ++itl) {
4911 WordList & wl = theWordList(itl->first);
4912 Private::Words::const_iterator it = (itl->second).begin();
4913 Private::Words::const_iterator et = (itl->second).end();
4914 for (; it != et; ++it)
4921 void Paragraph::locateWord(pos_type & from, pos_type & to,
4922 word_location const loc, bool const ignore_deleted) const
4925 case WHOLE_WORD_STRICT:
4926 if (from == 0 || from == size()
4927 || isWordSeparator(from, ignore_deleted)
4928 || isWordSeparator(from - 1, ignore_deleted)) {
4935 // If we are already at the beginning of a word, do nothing
4936 if (!from || isWordSeparator(from - 1, ignore_deleted))
4941 // always move the cursor to the beginning of previous word
4942 while (from && !isWordSeparator(from - 1, ignore_deleted))
4946 LYXERR0("Paragraph::locateWord: NEXT_WORD not implemented yet");
4949 // no need to move the 'from' cursor
4953 while (to < size() && !isWordSeparator(to, ignore_deleted))
4958 void Paragraph::collectWords()
4960 for (pos_type pos = 0; pos < size(); ++pos) {
4961 if (isWordSeparator(pos))
4963 pos_type from = pos;
4964 locateWord(from, pos, WHOLE_WORD);
4965 // Work around MSVC warning: The statement
4966 // if (pos < from + lyxrc.completion_minlength)
4967 // triggers a signed vs. unsigned warning.
4968 // I don't know why this happens, it could be a MSVC bug, or
4969 // related to LLP64 (windows) vs. LP64 (unix) programming
4970 // model, or the C++ standard might be ambigous in the section
4971 // defining the "usual arithmetic conversions". However, using
4972 // a temporary variable is safe and works on all compilers.
4973 pos_type const endpos = from + lyxrc.completion_minlength;
4976 FontList::const_iterator cit = d->fontlist_.fontIterator(from);
4977 if (cit == d->fontlist_.end())
4979 Language const * lang = cit->font().language();
4980 docstring const word = asString(from, pos, AS_STR_NONE);
4981 d->words_[lang->lang()].insert(word);
4986 void Paragraph::registerWords()
4988 Private::LangWordsMap::const_iterator itl = d->words_.begin();
4989 Private::LangWordsMap::const_iterator ite = d->words_.end();
4990 for (; itl != ite; ++itl) {
4991 WordList & wl = theWordList(itl->first);
4992 Private::Words::const_iterator it = (itl->second).begin();
4993 Private::Words::const_iterator et = (itl->second).end();
4994 for (; it != et; ++it)
5000 void Paragraph::updateWords()
5008 void Paragraph::Private::appendSkipPosition(SkipPositions & skips, pos_type const pos) const
5010 SkipPositionsIterator begin = skips.begin();
5011 SkipPositions::iterator end = skips.end();
5012 if (pos > 0 && begin < end) {
5014 if (end->last == pos - 1) {
5019 skips.insert(end, FontSpan(pos, pos));
5023 Language * Paragraph::Private::locateSpellRange(
5024 pos_type & from, pos_type & to,
5025 SkipPositions & skips) const
5027 // skip leading white space
5028 while (from < to && owner_->isWordSeparator(from))
5030 // don't check empty range
5033 // get current language
5034 Language * lang = getSpellLanguage(from);
5035 pos_type last = from;
5036 bool samelang = true;
5037 bool sameinset = true;
5038 while (last < to && samelang && sameinset) {
5039 // hop to end of word
5040 while (last < to && !owner_->isWordSeparator(last)) {
5041 Inset const * inset = owner_->getInset(last);
5042 if (inset && dynamic_cast<const InsetSpecialChar *>(inset)) {
5043 // check for "invisible" letters such as ligature breaks
5044 odocstringstream os;
5045 inset->toString(os);
5046 if (os.str().length() != 0) {
5047 // avoid spell check of visible special char insets
5048 // stop the loop in front of the special char inset
5053 appendSkipPosition(skips, last);
5054 } else if (owner_->isDeleted(last)) {
5055 appendSkipPosition(skips, last);
5059 // hop to next word while checking for insets
5060 while (sameinset && last < to && owner_->isWordSeparator(last)) {
5061 if (Inset const * inset = owner_->getInset(last))
5062 sameinset = inset->isChar() && inset->isLetter();
5063 if (sameinset && owner_->isDeleted(last)) {
5064 appendSkipPosition(skips, last);
5069 if (sameinset && last < to) {
5070 // now check for language change
5071 samelang = lang == getSpellLanguage(last);
5074 // if language change detected backstep is needed
5082 Language * Paragraph::Private::getSpellLanguage(pos_type const from) const
5085 const_cast<Language *>(owner_->getFontSettings(
5086 inset_owner_->buffer().params(), from).language());
5087 if (lang == inset_owner_->buffer().params().language
5088 && !lyxrc.spellchecker_alt_lang.empty()) {
5090 string const lang_variety =
5091 split(lyxrc.spellchecker_alt_lang, lang_code, '-');
5092 lang->setCode(lang_code);
5093 lang->setVariety(lang_variety);
5099 void Paragraph::requestSpellCheck(pos_type pos)
5101 d->requestSpellCheck(pos);
5103 // Also request spellcheck within (text) insets
5104 for (auto const & insets : insetList()) {
5105 if (!insets.inset->asInsetText())
5107 ParagraphList & inset_pars =
5108 insets.inset->asInsetText()->paragraphs();
5109 ParagraphList::iterator pit = inset_pars.begin();
5110 ParagraphList::iterator pend = inset_pars.end();
5111 for (; pit != pend; ++pit)
5112 pit->requestSpellCheck();
5118 bool Paragraph::needsSpellCheck() const
5120 SpellChecker::ChangeNumber speller_change_number = 0;
5121 if (theSpellChecker())
5122 speller_change_number = theSpellChecker()->changeNumber();
5123 if (speller_change_number > d->speller_state_.currentChangeNumber()) {
5124 d->speller_state_.needsCompleteRefresh(speller_change_number);
5126 return d->needsSpellCheck();
5130 bool Paragraph::Private::ignoreWord(docstring const & word) const
5132 // Ignore words with digits
5133 // FIXME: make this customizable
5134 // (note that some checkers ignore words with digits by default)
5135 docstring::const_iterator cit = word.begin();
5136 docstring::const_iterator const end = word.end();
5137 for (; cit != end; ++cit) {
5138 if (isNumber((*cit)))
5145 SpellChecker::Result Paragraph::spellCheck(pos_type & from, pos_type & to,
5146 WordLangTuple & wl, docstring_list & suggestions,
5147 bool do_suggestion, bool check_learned) const
5149 SpellChecker::Result result = SpellChecker::WORD_OK;
5150 SpellChecker * speller = theSpellChecker();
5154 if (!d->layout_->spellcheck || !inInset().allowSpellCheck())
5157 locateWord(from, to, WHOLE_WORD, true);
5158 if (from == to || from >= size())
5161 docstring word = asString(from, to, AS_STR_INSETS | AS_STR_SKIPDELETE);
5162 Language * lang = d->getSpellLanguage(from);
5164 BufferParams const & bparams = d->inset_owner_->buffer().params();
5166 if (getFontSettings(bparams, from).fontInfo().nospellcheck() == FONT_ON)
5169 wl = WordLangTuple(word, lang);
5174 if (needsSpellCheck() || check_learned) {
5176 if (!d->ignoreWord(word)) {
5177 bool const trailing_dot = to < size() && d->text_[to] == '.';
5178 result = speller->check(wl, bparams.spellignore());
5179 if (SpellChecker::misspelled(result) && trailing_dot) {
5180 wl = WordLangTuple(word.append(from_ascii(".")), lang);
5181 result = speller->check(wl, bparams.spellignore());
5182 if (!SpellChecker::misspelled(result)) {
5183 LYXERR(Debug::GUI, "misspelled word is correct with dot: \"" <<
5185 from << ".." << to << "]");
5187 // spell check with dot appended failed too
5188 // restore original word/lang value
5189 word = asString(from, to, AS_STR_INSETS | AS_STR_SKIPDELETE);
5190 wl = WordLangTuple(word, lang);
5194 if (!SpellChecker::misspelled(result)) {
5195 // area up to the begin of the next word is not misspelled
5196 while (end < size() && isWordSeparator(end))
5199 d->setMisspelled(from, end, result);
5201 result = d->speller_state_.getState(from);
5205 suggestions.clear();
5207 if (SpellChecker::misspelled(result)) {
5208 LYXERR(Debug::GUI, "misspelled word: \"" <<
5210 from << ".." << to << "]");
5212 speller->suggest(wl, suggestions);
5218 void Paragraph::anonymize()
5220 // This is a very crude anonymization for now
5221 for (char_type & c : d->text_)
5222 if (isLetterChar(c) || isNumber(c))
5227 void Paragraph::Private::markMisspelledWords(
5228 Language const * lang,
5229 pos_type const & first, pos_type const & last,
5230 SpellChecker::Result result,
5231 docstring const & word,
5232 SkipPositions const & skips)
5234 if (!SpellChecker::misspelled(result)) {
5235 setMisspelled(first, last, SpellChecker::WORD_OK);
5239 SpellChecker * speller = theSpellChecker();
5240 // locate and enumerate the error positions
5241 int nerrors = speller->numMisspelledWords();
5243 SkipPositionsIterator it = skips.begin();
5244 SkipPositionsIterator et = skips.end();
5245 for (int index = 0; index < nerrors; ++index) {
5248 speller->misspelledWord(index, wstart, wlen);
5249 /// should not happen if speller supports range checks
5252 WordLangTuple const candidate(word.substr(wstart, wlen), lang);
5253 wstart += first + numskipped;
5254 if (snext < wstart) {
5255 /// mark the range of correct spelling
5256 numskipped += countSkips(it, et, wstart);
5257 setMisspelled(snext,
5258 wstart - 1, SpellChecker::WORD_OK);
5260 snext = wstart + wlen;
5261 // Check whether the candidate is in the document's local dict
5262 SpellChecker::Result actresult = result;
5263 if (inset_owner_->buffer().params().spellignored(candidate))
5264 actresult = SpellChecker::DOCUMENT_LEARNED_WORD;
5265 numskipped += countSkips(it, et, snext);
5266 /// mark the range of misspelling
5267 setMisspelled(wstart, snext, actresult);
5268 if (actresult == SpellChecker::DOCUMENT_LEARNED_WORD)
5269 LYXERR(Debug::GUI, "local dictionary word: \"" <<
5270 candidate.word() << "\" [" <<
5271 wstart << ".." << (snext-1) << "]");
5273 LYXERR(Debug::GUI, "misspelled word: \"" <<
5274 candidate.word() << "\" [" <<
5275 wstart << ".." << (snext-1) << "]");
5278 if (snext <= last) {
5279 /// mark the range of correct spelling at end
5280 setMisspelled(snext, last, SpellChecker::WORD_OK);
5285 void Paragraph::spellCheck() const
5287 SpellChecker * speller = theSpellChecker();
5288 if (!speller || empty() ||!needsSpellCheck())
5292 d->rangeOfSpellCheck(start, endpos);
5293 if (speller->canCheckParagraph()) {
5294 // loop until we leave the range
5295 for (pos_type first = start; first < endpos; ) {
5296 pos_type last = endpos;
5297 Private::SkipPositions skips;
5298 Language * lang = d->locateSpellRange(first, last, skips);
5299 if (first >= endpos)
5301 // start the spell checker on the unit of meaning
5302 docstring word = asString(first, last, AS_STR_INSETS + AS_STR_SKIPDELETE);
5303 WordLangTuple wl = WordLangTuple(word, lang);
5304 BufferParams const & bparams = d->inset_owner_->buffer().params();
5305 SpellChecker::Result result = !word.empty() ?
5306 speller->check(wl, bparams.spellignore()) : SpellChecker::WORD_OK;
5307 d->markMisspelledWords(lang, first, last, result, word, skips);
5311 static docstring_list suggestions;
5312 pos_type to = endpos;
5313 while (start < endpos) {
5315 spellCheck(start, to, wl, suggestions, false);
5319 d->readySpellCheck();
5323 bool Paragraph::isMisspelled(pos_type pos, bool check_boundary) const
5325 bool result = SpellChecker::misspelled(d->speller_state_.getState(pos));
5326 if (result || pos <= 0 || pos > size())
5328 if (check_boundary && (pos == size() || isWordSeparator(pos)))
5329 result = SpellChecker::misspelled(d->speller_state_.getState(pos - 1));
5334 string Paragraph::magicLabel() const
5337 ss << "magicparlabel-" << id();