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 Jean-Marc Lasgouttes
9 * \author Angus Leeming
11 * \author André Pönitz
13 * \author Jürgen Vigna
15 * Full author contact details are available in file CREDITS.
20 #include "Paragraph.h"
22 #include "LayoutFile.h"
24 #include "BufferParams.h"
28 #include "InsetList.h"
30 #include "LaTeXFeatures.h"
36 #include "OutputParams.h"
37 #include "output_latex.h"
38 #include "paragraph_funcs.h"
39 #include "ParagraphParameters.h"
41 #include "TextClass.h"
47 #include "frontends/alert.h"
49 #include "insets/InsetBibitem.h"
50 #include "insets/InsetLabel.h"
52 #include "support/lassert.h"
53 #include "support/convert.h"
54 #include "support/debug.h"
55 #include "support/ExceptionMessage.h"
56 #include "support/gettext.h"
57 #include "support/lstrings.h"
58 #include "support/Messages.h"
59 #include "support/textutils.h"
65 using namespace lyx::support;
70 /// Inset identifier (above 0x10ffff, for ucs-4)
71 char_type const META_INSET = 0x200001;
74 /////////////////////////////////////////////////////////////////////
78 /////////////////////////////////////////////////////////////////////
80 class Paragraph::Private
84 Private(Paragraph * owner, Layout const & layout);
85 /// "Copy constructor"
86 Private(Private const &, Paragraph * owner);
87 /// Copy constructor from \p beg to \p end
88 Private(Private const &, Paragraph * owner, pos_type beg, pos_type end);
91 void insertChar(pos_type pos, char_type c, Change const & change);
93 /// Output the surrogate pair formed by \p c and \p next to \p os.
94 /// \return the number of characters written.
95 int latexSurrogatePair(odocstream & os, char_type c, char_type next,
98 /// Output a space in appropriate formatting (or a surrogate pair
99 /// if the next character is a combining character).
100 /// \return whether a surrogate pair was output.
101 bool simpleTeXBlanks(OutputParams const &,
102 odocstream &, TexRow & texrow,
104 unsigned int & column,
106 Layout const & style);
108 /// Output consecutive unicode chars, belonging to the same script as
109 /// specified by the latex macro \p ltx, to \p os starting from \p i.
110 /// \return the number of characters written.
111 int writeScriptChars(odocstream & os, docstring const & ltx,
112 Change &, Encoding const &, pos_type & i);
114 /// This could go to ParagraphParameters if we want to.
115 int startTeXParParams(BufferParams const &, odocstream &, TexRow &,
116 OutputParams const &) const;
118 /// This could go to ParagraphParameters if we want to.
119 int endTeXParParams(BufferParams const &, odocstream &, TexRow &,
120 OutputParams const &) const;
123 void latexInset(BufferParams const &,
125 TexRow & texrow, OutputParams &,
128 Font const & outerfont,
130 Change & running_change,
131 Layout const & style,
133 unsigned int & column);
136 void latexSpecialChar(
138 OutputParams & runparams,
140 Change & running_change,
141 Layout const & style,
143 unsigned int & column);
150 unsigned int & column);
152 bool latexSpecialTypewriter(
156 unsigned int & column);
158 bool latexSpecialPhrase(
161 unsigned int & column,
162 OutputParams & runparams);
165 void validate(LaTeXFeatures & features,
166 Layout const & layout) const;
168 /// Checks if the paragraph contains only text and no inset or font change.
169 bool onlyText(Buffer const & buf, Font const & outerfont,
170 pos_type initial) const;
172 /// match a string against a particular point in the paragraph
173 bool isTextAt(string const & str, pos_type pos) const;
175 /// Which Paragraph owns us?
179 Inset const * inset_owner_;
187 static unsigned int paragraph_id;
189 ParagraphParameters params_;
191 /// for recording and looking up changes
195 InsetList insetlist_;
198 pos_type begin_of_body_;
200 typedef docstring TextContainer;
204 typedef std::set<docstring> Words;
208 Layout const * layout_;
212 // Initialization of the counter for the paragraph id's,
213 unsigned int Paragraph::Private::paragraph_id = 0;
217 struct special_phrase {
223 special_phrase const special_phrases[] = {
224 { "LyX", from_ascii("\\LyX{}"), false },
225 { "TeX", from_ascii("\\TeX{}"), true },
226 { "LaTeX2e", from_ascii("\\LaTeXe{}"), true },
227 { "LaTeX", from_ascii("\\LaTeX{}"), true },
230 size_t const phrases_nr = sizeof(special_phrases)/sizeof(special_phrase);
235 Paragraph::Private::Private(Paragraph * owner, Layout const & layout)
236 : owner_(owner), inset_owner_(0), begin_of_body_(0), layout_(&layout)
238 id_ = paragraph_id++;
243 Paragraph::Private::Private(Private const & p, Paragraph * owner)
244 : owner_(owner), inset_owner_(p.inset_owner_), fontlist_(p.fontlist_),
245 params_(p.params_), changes_(p.changes_), insetlist_(p.insetlist_),
246 begin_of_body_(p.begin_of_body_), text_(p.text_), words_(p.words_),
249 id_ = paragraph_id++;
253 Paragraph::Private::Private(Private const & p, Paragraph * owner,
254 pos_type beg, pos_type end)
255 : owner_(owner), inset_owner_(p.inset_owner_),
256 params_(p.params_), changes_(p.changes_),
257 insetlist_(p.insetlist_, beg, end),
258 begin_of_body_(p.begin_of_body_), words_(p.words_),
261 id_ = paragraph_id++;
262 if (beg >= pos_type(p.text_.size()))
264 text_ = p.text_.substr(beg, end - beg);
266 FontList::const_iterator fcit = fontlist_.begin();
267 FontList::const_iterator fend = fontlist_.end();
268 for (; fcit != fend; ++fcit) {
269 if (fcit->pos() < beg)
271 if (fcit->pos() >= end) {
272 // Add last entry in the fontlist_.
273 fontlist_.set(text_.size() - 1, fcit->font());
276 // Add a new entry in the fontlist_.
277 fontlist_.set(fcit->pos() - beg, fcit->font());
282 void Paragraph::addChangesToToc(DocIterator const & cdit,
283 Buffer const & buf) const
285 d->changes_.addToToc(cdit, buf);
289 bool Paragraph::isChanged(pos_type start, pos_type end) const
291 LASSERT(start >= 0 && start <= size(), /**/);
292 LASSERT(end > start && end <= size() + 1, /**/);
294 return d->changes_.isChanged(start, end);
298 bool Paragraph::isMergedOnEndOfParDeletion(bool trackChanges) const
300 // keep the logic here in sync with the logic of eraseChars()
304 Change const change = d->changes_.lookup(size());
305 return change.type == Change::INSERTED && change.author == 0;
309 void Paragraph::setChange(Change const & change)
311 // beware of the imaginary end-of-par character!
312 d->changes_.set(change, 0, size() + 1);
315 * Propagate the change recursively - but not in case of DELETED!
317 * Imagine that your co-author makes changes in an existing inset. He
318 * sends your document to you and you come to the conclusion that the
319 * inset should go completely. If you erase it, LyX must not delete all
320 * text within the inset. Otherwise, the change tracked insertions of
321 * your co-author get lost and there is no way to restore them later.
323 * Conclusion: An inset's content should remain untouched if you delete it
326 if (change.type != Change::DELETED) {
327 for (pos_type pos = 0; pos < size(); ++pos) {
328 if (Inset * inset = getInset(pos))
329 inset->setChange(change);
335 void Paragraph::setChange(pos_type pos, Change const & change)
337 LASSERT(pos >= 0 && pos <= size(), /**/);
338 d->changes_.set(change, pos);
340 // see comment in setChange(Change const &) above
341 if (change.type != Change::DELETED && pos < size())
342 if (Inset * inset = getInset(pos))
343 inset->setChange(change);
347 Change const & Paragraph::lookupChange(pos_type pos) const
349 LASSERT(pos >= 0 && pos <= size(), /**/);
350 return d->changes_.lookup(pos);
354 void Paragraph::acceptChanges(BufferParams const & bparams, pos_type start,
357 LASSERT(start >= 0 && start <= size(), /**/);
358 LASSERT(end > start && end <= size() + 1, /**/);
360 for (pos_type pos = start; pos < end; ++pos) {
361 switch (lookupChange(pos).type) {
362 case Change::UNCHANGED:
363 // accept changes in nested inset
364 if (Inset * inset = getInset(pos))
365 inset->acceptChanges(bparams);
368 case Change::INSERTED:
369 d->changes_.set(Change(Change::UNCHANGED), pos);
370 // also accept changes in nested inset
371 if (Inset * inset = getInset(pos))
372 inset->acceptChanges(bparams);
375 case Change::DELETED:
376 // Suppress access to non-existent
377 // "end-of-paragraph char"
379 eraseChar(pos, false);
390 void Paragraph::rejectChanges(BufferParams const & bparams,
391 pos_type start, pos_type end)
393 LASSERT(start >= 0 && start <= size(), /**/);
394 LASSERT(end > start && end <= size() + 1, /**/);
396 for (pos_type pos = start; pos < end; ++pos) {
397 switch (lookupChange(pos).type) {
398 case Change::UNCHANGED:
399 // reject changes in nested inset
400 if (Inset * inset = getInset(pos))
401 inset->rejectChanges(bparams);
404 case Change::INSERTED:
405 // Suppress access to non-existent
406 // "end-of-paragraph char"
408 eraseChar(pos, false);
414 case Change::DELETED:
415 d->changes_.set(Change(Change::UNCHANGED), pos);
417 // Do NOT reject changes within a deleted inset!
418 // There may be insertions of a co-author inside of it!
426 void Paragraph::Private::insertChar(pos_type pos, char_type c,
427 Change const & change)
429 LASSERT(pos >= 0 && pos <= int(text_.size()), /**/);
432 changes_.insert(change, pos);
434 // This is actually very common when parsing buffers (and
435 // maybe inserting ascii text)
436 if (pos == pos_type(text_.size())) {
437 // when appending characters, no need to update tables
442 text_.insert(text_.begin() + pos, c);
444 // Update the font table.
445 fontlist_.increasePosAfterPos(pos);
448 insetlist_.increasePosAfterPos(pos);
452 bool Paragraph::insertInset(pos_type pos, Inset * inset,
453 Change const & change)
455 LASSERT(inset, /**/);
456 LASSERT(pos >= 0 && pos <= size(), /**/);
458 // Paragraph::insertInset() can be used in cut/copy/paste operation where
459 // d->inset_owner_ is not set yet.
460 if (d->inset_owner_ && !d->inset_owner_->insetAllowed(inset->lyxCode()))
463 d->insertChar(pos, META_INSET, change);
464 LASSERT(d->text_[pos] == META_INSET, /**/);
466 // Add a new entry in the insetlist_.
467 d->insetlist_.insert(inset, pos);
472 bool Paragraph::eraseChar(pos_type pos, bool trackChanges)
474 LASSERT(pos >= 0 && pos <= size(), return false);
476 // keep the logic here in sync with the logic of isMergedOnEndOfParDeletion()
479 Change change = d->changes_.lookup(pos);
481 // set the character to DELETED if
482 // a) it was previously unchanged or
483 // b) it was inserted by a co-author
485 if (change.type == Change::UNCHANGED ||
486 (change.type == Change::INSERTED && change.author != 0)) {
487 setChange(pos, Change(Change::DELETED));
491 if (change.type == Change::DELETED)
495 // Don't physically access the imaginary end-of-paragraph character.
496 // eraseChar() can only mark it as DELETED. A physical deletion of
497 // end-of-par must be handled externally.
503 d->changes_.erase(pos);
505 // if it is an inset, delete the inset entry
506 if (d->text_[pos] == META_INSET)
507 d->insetlist_.erase(pos);
509 d->text_.erase(d->text_.begin() + pos);
511 // Update the fontlist_
512 d->fontlist_.erase(pos);
514 // Update the insetlist_
515 d->insetlist_.decreasePosAfterPos(pos);
521 int Paragraph::eraseChars(pos_type start, pos_type end, bool trackChanges)
523 LASSERT(start >= 0 && start <= size(), /**/);
524 LASSERT(end >= start && end <= size() + 1, /**/);
527 for (pos_type count = end - start; count; --count) {
528 if (!eraseChar(i, trackChanges))
535 int Paragraph::Private::latexSurrogatePair(odocstream & os, char_type c,
536 char_type next, Encoding const & encoding)
538 // Writing next here may circumvent a possible font change between
539 // c and next. Since next is only output if it forms a surrogate pair
540 // with c we can ignore this:
541 // A font change inside a surrogate pair does not make sense and is
542 // hopefully impossible to input.
543 // FIXME: change tracking
544 // Is this correct WRT change tracking?
545 docstring const latex1 = encoding.latexChar(next);
546 docstring const latex2 = encoding.latexChar(c);
547 if (docstring(1, next) == latex1) {
548 // the encoding supports the combination
549 os << latex2 << latex1;
550 return latex1.length() + latex2.length();
552 os << latex1 << '{' << latex2 << '}';
553 return latex1.length() + latex2.length() + 2;
557 bool Paragraph::Private::simpleTeXBlanks(OutputParams const & runparams,
558 odocstream & os, TexRow & texrow,
560 unsigned int & column,
562 Layout const & style)
564 if (style.pass_thru || runparams.verbatim)
567 if (i + 1 < int(text_.size())) {
568 char_type next = text_[i + 1];
569 if (Encodings::isCombiningChar(next)) {
570 Encoding const & encoding = *(runparams.encoding);
571 // This space has an accent, so we must always output it.
572 column += latexSurrogatePair(os, ' ', next, encoding) - 1;
577 if (lyxrc.plaintext_linelen > 0
578 && column > lyxrc.plaintext_linelen
580 && text_[i - 1] != ' '
581 && (i + 1 < int(text_.size()))
582 // same in FreeSpacing mode
583 && !owner_->isFreeSpacing()
584 // In typewriter mode, we want to avoid
585 // ! . ? : at the end of a line
586 && !(font.fontInfo().family() == TYPEWRITER_FAMILY
587 && (text_[i - 1] == '.'
588 || text_[i - 1] == '?'
589 || text_[i - 1] == ':'
590 || text_[i - 1] == '!'))) {
593 texrow.start(owner_->id(), i + 1);
595 } else if (style.free_spacing) {
604 int Paragraph::Private::writeScriptChars(odocstream & os,
605 docstring const & ltx,
606 Change & runningChange,
607 Encoding const & encoding,
610 // FIXME: modifying i here is not very nice...
612 // We only arrive here when a proper language for character text_[i] has
613 // not been specified (i.e., it could not be translated in the current
614 // latex encoding) or its latex translation has been forced, and it
615 // belongs to a known script.
616 // Parameter ltx contains the latex translation of text_[i] as specified
617 // in the unicodesymbols file and is something like "\textXXX{<spec>}".
618 // The latex macro name "textXXX" specifies the script to which text_[i]
619 // belongs and we use it in order to check whether characters from the
620 // same script immediately follow, such that we can collect them in a
621 // single "\textXXX" macro. So, we have to retain "\textXXX{<spec>"
622 // for the first char but only "<spec>" for all subsequent chars.
623 docstring::size_type const brace1 = ltx.find_first_of(from_ascii("{"));
624 docstring::size_type const brace2 = ltx.find_last_of(from_ascii("}"));
625 string script = to_ascii(ltx.substr(1, brace1 - 1));
628 bool closing_brace = true;
629 if (script == "textgreek" && encoding.latexName() == "iso-8859-7") {
630 // Correct encoding is being used, so we can avoid \textgreek.
633 closing_brace = false;
635 os << ltx.substr(pos, length);
636 int size = text_.size();
637 while (i + 1 < size) {
638 char_type const next = text_[i + 1];
639 // Stop here if next character belongs to another script
640 // or there is a change in change tracking status.
641 if (!Encodings::isKnownScriptChar(next, script) ||
642 runningChange != owner_->lookupChange(i + 1))
646 FontList::const_iterator cit = fontlist_.begin();
647 FontList::const_iterator end = fontlist_.end();
648 for (; cit != end; ++cit) {
649 if (cit->pos() >= i && !found) {
650 prev_font = cit->font();
653 if (cit->pos() >= i + 1)
656 // Stop here if there is a font attribute or encoding change.
657 if (found && cit != end && prev_font != cit->font())
659 docstring const latex = encoding.latexChar(next);
660 docstring::size_type const b1 =
661 latex.find_first_of(from_ascii("{"));
662 docstring::size_type const b2 =
663 latex.find_last_of(from_ascii("}"));
664 int const len = b2 - b1 - 1;
665 os << latex.substr(b1 + 1, len);
677 bool Paragraph::Private::isTextAt(string const & str, pos_type pos) const
679 pos_type const len = str.length();
681 // is the paragraph large enough?
682 if (pos + len > int(text_.size()))
685 // does the wanted text start at point?
686 for (string::size_type i = 0; i < str.length(); ++i) {
687 // Caution: direct comparison of characters works only
688 // because str is pure ASCII.
689 if (str[i] != text_[pos + i])
693 return fontlist_.hasChangeInRange(pos, len);
697 void Paragraph::Private::latexInset(
698 BufferParams const & bparams,
701 OutputParams & runparams,
704 Font const & outerfont,
706 Change & running_change,
707 Layout const & style,
709 unsigned int & column)
711 Inset * inset = owner_->getInset(i);
712 LASSERT(inset, /**/);
714 if (style.pass_thru) {
715 inset->plaintext(os, runparams);
719 // FIXME: move this to InsetNewline::latex
720 if (inset->lyxCode() == NEWLINE_CODE) {
721 // newlines are handled differently here than
722 // the default in simpleTeXSpecialChars().
723 if (!style.newline_allowed) {
727 column += running_font.latexWriteEndChanges(
728 os, bparams, runparams,
733 if (running_font.fontInfo().family() == TYPEWRITER_FAMILY)
736 basefont = owner_->getLayoutFont(bparams, outerfont);
737 running_font = basefont;
739 if (runparams.moving_arg)
744 texrow.start(owner_->id(), i + 1);
748 if (owner_->lookupChange(i).type == Change::DELETED) {
749 if( ++runparams.inDeletedInset == 1)
750 runparams.changeOfDeletedInset = owner_->lookupChange(i);
753 if (inset->canTrackChanges()) {
754 column += Changes::latexMarkChange(os, bparams, running_change,
755 Change(Change::UNCHANGED));
756 running_change = Change(Change::UNCHANGED);
760 odocstream::pos_type const len = os.tellp();
762 if (inset->forceLTR()
763 && running_font.isRightToLeft()
764 // ERT is an exception, it should be output with no decorations at all
765 && inset->lyxCode() != ERT_CODE) {
766 if (running_font.language()->lang() == "farsi")
773 // FIXME: Bug: we can have an empty font change here!
774 // if there has just been a font change, we are going to close it
775 // right now, which means stupid latex code like \textsf{}. AFAIK,
776 // this does not harm dvi output. A minor bug, thus (JMarc)
778 // Some insets cannot be inside a font change command.
779 // However, even such insets *can* be placed in \L or \R
780 // or their equivalents (for RTL language switches), so we don't
781 // close the language in those cases.
782 // ArabTeX, though, cannot handle this special behavior, it seems.
783 bool arabtex = basefont.language()->lang() == "arabic_arabtex"
784 || running_font.language()->lang() == "arabic_arabtex";
785 if (open_font && inset->noFontChange()) {
786 bool closeLanguage = arabtex
787 || basefont.isRightToLeft() == running_font.isRightToLeft();
788 unsigned int count = running_font.latexWriteEndChanges(os,
789 bparams, runparams, basefont, basefont, closeLanguage);
791 // if any font properties were closed, update the running_font,
792 // making sure, however, to leave the language as it was
794 // FIXME: probably a better way to keep track of the old
795 // language, than copying the entire font?
796 Font const copy_font(running_font);
797 basefont = owner_->getLayoutFont(bparams, outerfont);
798 running_font = basefont;
800 running_font.setLanguage(copy_font.language());
801 // leave font open if language is still open
802 open_font = (running_font.language() == basefont.language());
804 runparams.local_font = &basefont;
811 tmp = inset->latex(os, runparams);
812 } catch (EncodingException & e) {
813 // add location information and throw again.
820 if (running_font.language()->lang() == "farsi")
827 for (int j = 0; j < tmp; ++j)
830 texrow.start(owner_->id(), i + 1);
833 column += os.tellp() - len;
836 if (owner_->lookupChange(i).type == Change::DELETED)
837 --runparams.inDeletedInset;
841 void Paragraph::Private::latexSpecialChar(
843 OutputParams & runparams,
845 Change & running_change,
846 Layout const & style,
848 unsigned int & column)
850 char_type const c = text_[i];
852 if (style.pass_thru) {
854 // FIXME UNICODE: This can fail if c cannot
855 // be encoded in the current encoding.
860 if (runparams.verbatim) {
861 // FIXME UNICODE: This can fail if c cannot
862 // be encoded in the current encoding.
867 if (lyxrc.fontenc == "T1" && latexSpecialT1(c, os, i, column))
870 if (running_font.fontInfo().family() == TYPEWRITER_FAMILY
871 && latexSpecialTypewriter(c, os, i, column))
874 // Otherwise, we use what LaTeX provides us.
877 os << "\\textbackslash{}";
881 os << "\\textless{}";
885 os << "\\textgreater{}";
896 os << "\\char`\\\"{}";
901 case '%': case '#': case '{':
909 os << "\\textasciitilde{}";
914 os << "\\textasciicircum{}";
919 // avoid being mistaken for optional arguments
927 // Blanks are printed before font switching.
928 // Sure? I am not! (try nice-latex)
929 // I am sure it's correct. LyX might be smarter
930 // in the future, but for now, nothing wrong is
936 if (latexSpecialPhrase(os, i, column, runparams))
942 Encoding const & encoding = *(runparams.encoding);
943 if (i + 1 < int(text_.size())) {
944 char_type next = text_[i + 1];
945 if (Encodings::isCombiningChar(next)) {
946 column += latexSurrogatePair(os, c, next, encoding) - 1;
952 docstring const latex = encoding.latexChar(c);
953 if (Encodings::isKnownScriptChar(c, script)
954 && prefixIs(latex, from_ascii("\\" + script)))
955 column += writeScriptChars(os, latex,
956 running_change, encoding, i) - 1;
957 else if (latex.length() > 1 && latex[latex.length() - 1] != '}') {
958 // Prevent eating of a following
959 // space or command corruption by
960 // following characters
961 column += latex.length() + 1;
964 column += latex.length() - 1;
972 bool Paragraph::Private::latexSpecialT1(char_type const c, odocstream & os,
973 pos_type & i, unsigned int & column)
979 // In T1 encoding, these characters exist
980 // but we should avoid ligatures
981 if (i + 1 >= int(text_.size()) || text_[i + 1] != c)
983 os << "\\textcompwordmark{}";
990 // soul.sty breaks with \char`\"
991 os << "\\textquotedbl{}";
1000 bool Paragraph::Private::latexSpecialTypewriter(char_type const c, odocstream & os,
1001 pos_type & i, unsigned int & column)
1005 // within \ttfamily, "--" is merged to "-" (no endash)
1006 // so we avoid this rather irritating ligature
1007 if (i + 1 < int(text_.size()) && text_[i + 1] == '-') {
1014 // everything else has to be checked separately
1015 // (depending on the encoding)
1022 bool Paragraph::Private::latexSpecialPhrase(odocstream & os, pos_type & i,
1023 unsigned int & column, OutputParams & runparams)
1025 // FIXME: if we have "LaTeX" with a font
1026 // change in the middle (before the 'T', then
1027 // the "TeX" part is still special cased.
1028 // Really we should only operate this on
1029 // "words" for some definition of word
1031 for (size_t pnr = 0; pnr < phrases_nr; ++pnr) {
1032 if (!isTextAt(special_phrases[pnr].phrase, i))
1034 if (runparams.moving_arg)
1036 os << special_phrases[pnr].macro;
1037 i += special_phrases[pnr].phrase.length() - 1;
1038 column += special_phrases[pnr].macro.length() - 1;
1045 void Paragraph::Private::validate(LaTeXFeatures & features,
1046 Layout const & layout) const
1048 // check the params.
1049 if (!params_.spacing().isDefault())
1050 features.require("setspace");
1053 features.useLayout(layout.name());
1056 fontlist_.validate(features);
1058 // then the indentation
1059 if (!params_.leftIndent().zero())
1060 features.require("ParagraphLeftIndent");
1063 InsetList::const_iterator icit = insetlist_.begin();
1064 InsetList::const_iterator iend = insetlist_.end();
1065 for (; icit != iend; ++icit) {
1067 icit->inset->validate(features);
1068 if (layout.needprotect &&
1069 icit->inset->lyxCode() == FOOT_CODE)
1070 features.require("NeedLyXFootnoteCode");
1074 // then the contents
1075 for (pos_type i = 0; i < int(text_.size()) ; ++i) {
1076 for (size_t pnr = 0; pnr < phrases_nr; ++pnr) {
1077 if (!special_phrases[pnr].builtin
1078 && isTextAt(special_phrases[pnr].phrase, i)) {
1079 features.require(special_phrases[pnr].phrase);
1083 Encodings::validate(text_[i], features);
1087 /////////////////////////////////////////////////////////////////////
1091 /////////////////////////////////////////////////////////////////////
1094 Layout const emptyParagraphLayout;
1097 Paragraph::Paragraph()
1098 : d(new Paragraph::Private(this, emptyParagraphLayout))
1105 Paragraph::Paragraph(Paragraph const & par)
1106 : itemdepth(par.itemdepth),
1107 d(new Paragraph::Private(*par.d, this))
1113 Paragraph::Paragraph(Paragraph const & par, pos_type beg, pos_type end)
1114 : itemdepth(par.itemdepth),
1115 d(new Paragraph::Private(*par.d, this, beg, end))
1121 Paragraph & Paragraph::operator=(Paragraph const & par)
1123 // needed as we will destroy the private part before copying it
1125 itemdepth = par.itemdepth;
1129 d = new Private(*par.d, this);
1136 Paragraph::~Paragraph()
1143 void Paragraph::write(ostream & os, BufferParams const & bparams,
1144 depth_type & dth) const
1146 // The beginning or end of a deeper (i.e. nested) area?
1147 if (dth != d->params_.depth()) {
1148 if (d->params_.depth() > dth) {
1149 while (d->params_.depth() > dth) {
1150 os << "\n\\begin_deeper";
1154 while (d->params_.depth() < dth) {
1155 os << "\n\\end_deeper";
1161 // First write the layout
1162 os << "\n\\begin_layout " << to_utf8(d->layout_->name()) << '\n';
1164 d->params_.write(os);
1166 Font font1(inherit_font, bparams.language);
1168 Change running_change = Change(Change::UNCHANGED);
1171 for (pos_type i = 0; i <= size(); ++i) {
1173 Change change = lookupChange(i);
1174 Changes::lyxMarkChange(os, column, running_change, change);
1175 running_change = change;
1180 // Write font changes
1181 Font font2 = getFontSettings(bparams, i);
1182 if (font2 != font1) {
1183 font2.lyxWriteChanges(font1, os);
1188 char_type const c = d->text_[i];
1191 if (Inset const * inset = getInset(i)) {
1192 if (inset->directWrite()) {
1193 // international char, let it write
1194 // code directly so it's shorter in
1200 os << "\\begin_inset ";
1202 os << "\n\\end_inset\n\n";
1208 os << "\n\\backslash\n";
1212 if (i + 1 < size() && d->text_[i + 1] == ' ') {
1219 if ((column > 70 && c == ' ')
1224 // this check is to amend a bug. LyX sometimes
1225 // inserts '\0' this could cause problems.
1227 os << to_utf8(docstring(1, c));
1229 LYXERR0("NUL char in structure.");
1235 os << "\n\\end_layout\n";
1239 void Paragraph::validate(LaTeXFeatures & features) const
1241 d->validate(features, *d->layout_);
1245 void Paragraph::insert(pos_type start, docstring const & str,
1246 Font const & font, Change const & change)
1248 for (size_t i = 0, n = str.size(); i != n ; ++i)
1249 insertChar(start + i, str[i], font, change);
1253 void Paragraph::appendChar(char_type c, Font const & font,
1254 Change const & change)
1257 d->changes_.insert(change, d->text_.size());
1258 // when appending characters, no need to update tables
1259 d->text_.push_back(c);
1260 setFont(d->text_.size() - 1, font);
1264 void Paragraph::appendString(docstring const & s, Font const & font,
1265 Change const & change)
1267 pos_type end = s.size();
1268 size_t oldsize = d->text_.size();
1269 size_t newsize = oldsize + end;
1270 size_t capacity = d->text_.capacity();
1271 if (newsize >= capacity)
1272 d->text_.reserve(max(capacity + 100, newsize));
1274 // when appending characters, no need to update tables
1277 // FIXME: Optimize this!
1278 for (pos_type i = oldsize; i != newsize; ++i) {
1280 d->changes_.insert(change, i);
1282 d->fontlist_.set(oldsize, font);
1283 d->fontlist_.set(newsize - 1, font);
1287 void Paragraph::insertChar(pos_type pos, char_type c,
1290 d->insertChar(pos, c, Change(trackChanges ?
1291 Change::INSERTED : Change::UNCHANGED));
1295 void Paragraph::insertChar(pos_type pos, char_type c,
1296 Font const & font, bool trackChanges)
1298 d->insertChar(pos, c, Change(trackChanges ?
1299 Change::INSERTED : Change::UNCHANGED));
1304 void Paragraph::insertChar(pos_type pos, char_type c,
1305 Font const & font, Change const & change)
1307 d->insertChar(pos, c, change);
1312 bool Paragraph::insertInset(pos_type pos, Inset * inset,
1313 Font const & font, Change const & change)
1315 bool const success = insertInset(pos, inset, change);
1316 // Set the font/language of the inset...
1322 void Paragraph::resetFonts(Font const & font)
1324 d->fontlist_.clear();
1325 d->fontlist_.set(0, font);
1326 d->fontlist_.set(d->text_.size() - 1, font);
1329 // Gets uninstantiated font setting at position.
1330 Font const Paragraph::getFontSettings(BufferParams const & bparams,
1334 LYXERR0("pos: " << pos << " size: " << size());
1335 LASSERT(pos <= size(), /**/);
1338 FontList::const_iterator cit = d->fontlist_.fontIterator(pos);
1339 if (cit != d->fontlist_.end())
1342 if (pos == size() && !empty())
1343 return getFontSettings(bparams, pos - 1);
1345 return Font(inherit_font, getParLanguage(bparams));
1349 FontSpan Paragraph::fontSpan(pos_type pos) const
1351 LASSERT(pos <= size(), /**/);
1354 FontList::const_iterator cit = d->fontlist_.begin();
1355 FontList::const_iterator end = d->fontlist_.end();
1356 for (; cit != end; ++cit) {
1357 if (cit->pos() >= pos) {
1358 if (pos >= beginOfBody())
1359 return FontSpan(max(start, beginOfBody()),
1362 return FontSpan(start,
1363 min(beginOfBody() - 1,
1366 start = cit->pos() + 1;
1369 // This should not happen, but if so, we take no chances.
1370 // LYXERR0("Paragraph::getEndPosOfFontSpan: This should not happen!");
1371 return FontSpan(pos, pos);
1375 // Gets uninstantiated font setting at position 0
1376 Font const Paragraph::getFirstFontSettings(BufferParams const & bparams) const
1378 if (!empty() && !d->fontlist_.empty())
1379 return d->fontlist_.begin()->font();
1381 return Font(inherit_font, bparams.language);
1385 // Gets the fully instantiated font at a given position in a paragraph
1386 // This is basically the same function as Text::GetFont() in text2.cpp.
1387 // The difference is that this one is used for generating the LaTeX file,
1388 // and thus cosmetic "improvements" are disallowed: This has to deliver
1389 // the true picture of the buffer. (Asger)
1390 Font const Paragraph::getFont(BufferParams const & bparams, pos_type pos,
1391 Font const & outerfont) const
1393 LASSERT(pos >= 0, /**/);
1395 Font font = getFontSettings(bparams, pos);
1397 pos_type const body_pos = beginOfBody();
1399 font.fontInfo().realize(d->layout_->labelfont);
1401 font.fontInfo().realize(d->layout_->font);
1403 font.fontInfo().realize(outerfont.fontInfo());
1404 font.fontInfo().realize(bparams.getFont().fontInfo());
1410 Font const Paragraph::getLabelFont
1411 (BufferParams const & bparams, Font const & outerfont) const
1413 FontInfo tmpfont = d->layout_->labelfont;
1414 tmpfont.realize(outerfont.fontInfo());
1415 tmpfont.realize(bparams.getFont().fontInfo());
1416 return Font(tmpfont, getParLanguage(bparams));
1420 Font const Paragraph::getLayoutFont
1421 (BufferParams const & bparams, Font const & outerfont) const
1423 FontInfo tmpfont = d->layout_->font;
1424 tmpfont.realize(outerfont.fontInfo());
1425 tmpfont.realize(bparams.getFont().fontInfo());
1426 return Font(tmpfont, getParLanguage(bparams));
1430 /// Returns the height of the highest font in range
1431 FontSize Paragraph::highestFontInRange
1432 (pos_type startpos, pos_type endpos, FontSize def_size) const
1434 return d->fontlist_.highestInRange(startpos, endpos, def_size);
1438 char_type Paragraph::getUChar(BufferParams const & bparams, pos_type pos) const
1440 char_type c = d->text_[pos];
1441 if (!lyxrc.rtl_support)
1471 if (uc != c && getFontSettings(bparams, pos).isRightToLeft())
1477 void Paragraph::setFont(pos_type pos, Font const & font)
1479 LASSERT(pos <= size(), /**/);
1481 // First, reduce font against layout/label font
1482 // Update: The setCharFont() routine in text2.cpp already
1483 // reduces font, so we don't need to do that here. (Asger)
1485 d->fontlist_.set(pos, font);
1489 void Paragraph::makeSameLayout(Paragraph const & par)
1491 d->layout_ = par.d->layout_;
1492 d->params_ = par.d->params_;
1496 bool Paragraph::stripLeadingSpaces(bool trackChanges)
1498 if (isFreeSpacing())
1504 while (pos < size() && (isNewline(pos) || isLineSeparator(pos))) {
1505 if (eraseChar(pos, trackChanges))
1511 return count > 0 || pos > 0;
1515 bool Paragraph::hasSameLayout(Paragraph const & par) const
1517 return par.d->layout_ == d->layout_
1518 && d->params_.sameLayout(par.d->params_);
1522 depth_type Paragraph::getDepth() const
1524 return d->params_.depth();
1528 depth_type Paragraph::getMaxDepthAfter() const
1530 if (d->layout_->isEnvironment())
1531 return d->params_.depth() + 1;
1533 return d->params_.depth();
1537 char Paragraph::getAlign() const
1539 if (d->params_.align() == LYX_ALIGN_LAYOUT)
1540 return d->layout_->align;
1542 return d->params_.align();
1546 docstring const & Paragraph::labelString() const
1548 return d->params_.labelString();
1552 // the next two functions are for the manual labels
1553 docstring const Paragraph::getLabelWidthString() const
1555 if (d->layout_->margintype == MARGIN_MANUAL)
1556 return d->params_.labelWidthString();
1558 return _("Senseless with this layout!");
1562 void Paragraph::setLabelWidthString(docstring const & s)
1564 d->params_.labelWidthString(s);
1568 docstring const Paragraph::translateIfPossible(docstring const & s,
1569 BufferParams const & bparams) const
1571 if (!isAscii(s) || s.empty()) {
1572 // This must be a user defined layout. We cannot translate
1573 // this, since gettext accepts only ascii keys.
1576 // Probably standard layout, try to translate
1577 Messages & m = getMessages(getParLanguage(bparams)->code());
1578 return m.get(to_ascii(s));
1582 docstring Paragraph::expandLabel(Layout const & layout,
1583 BufferParams const & bparams, bool process_appendix) const
1585 DocumentClass const & tclass = bparams.documentClass();
1588 if (process_appendix && d->params_.appendix())
1589 fmt = translateIfPossible(layout.labelstring_appendix(),
1592 fmt = translateIfPossible(layout.labelstring(), bparams);
1594 if (fmt.empty() && layout.labeltype == LABEL_COUNTER
1595 && !layout.counter.empty())
1596 fmt = "\\the" + layout.counter;
1598 // handle 'inherited level parts' in 'fmt',
1599 // i.e. the stuff between '@' in '@Section@.\arabic{subsection}'
1600 size_t const i = fmt.find('@', 0);
1601 if (i != docstring::npos) {
1602 size_t const j = fmt.find('@', i + 1);
1603 if (j != docstring::npos) {
1604 docstring parent(fmt, i + 1, j - i - 1);
1605 docstring label = from_ascii("??");
1606 if (tclass.hasLayout(parent))
1607 docstring label = expandLabel(tclass[parent], bparams,
1609 fmt = docstring(fmt, 0, i) + label
1610 + docstring(fmt, j + 1, docstring::npos);
1614 return tclass.counters().counterLabel(fmt);
1618 void Paragraph::applyLayout(Layout const & new_layout)
1620 d->layout_ = &new_layout;
1621 LyXAlignment const oldAlign = d->params_.align();
1623 if (!(oldAlign & d->layout_->alignpossible)) {
1624 frontend::Alert::warning(_("Alignment not permitted"),
1625 _("The new layout does not permit the alignment previously used.\nSetting to default."));
1626 d->params_.align(LYX_ALIGN_LAYOUT);
1631 pos_type Paragraph::beginOfBody() const
1633 return d->begin_of_body_;
1637 void Paragraph::setBeginOfBody()
1639 if (d->layout_->labeltype != LABEL_MANUAL) {
1640 d->begin_of_body_ = 0;
1644 // Unroll the first two cycles of the loop
1645 // and remember the previous character to
1646 // remove unnecessary getChar() calls
1648 pos_type end = size();
1649 if (i < end && !isNewline(i)) {
1651 char_type previous_char = 0;
1654 previous_char = d->text_[i];
1655 if (!isNewline(i)) {
1657 while (i < end && previous_char != ' ') {
1662 previous_char = temp;
1668 d->begin_of_body_ = i;
1672 bool Paragraph::forcePlainLayout() const
1674 return inInset().forcePlainLayout();
1678 bool Paragraph::allowParagraphCustomization() const
1680 return inInset().allowParagraphCustomization();
1684 bool Paragraph::usePlainLayout() const
1686 return inInset().usePlainLayout();
1692 // paragraphs inside floats need different alignment tags to avoid
1695 bool noTrivlistCentering(InsetCode code)
1697 return code == FLOAT_CODE
1698 || code == WRAP_CODE
1699 || code == CELL_CODE;
1703 string correction(string const & orig)
1705 if (orig == "flushleft")
1706 return "raggedright";
1707 if (orig == "flushright")
1708 return "raggedleft";
1709 if (orig == "center")
1715 string const corrected_env(string const & suffix, string const & env,
1716 InsetCode code, bool const lastpar)
1718 string output = suffix + "{";
1719 if (noTrivlistCentering(code)) {
1721 // the last paragraph in non-trivlist-aligned
1722 // context is special (to avoid unwanted whitespace)
1723 if (suffix == "\\begin")
1724 return "\\" + correction(env) + "{}";
1727 output += correction(env);
1731 if (suffix == "\\begin")
1737 void adjust_row_column(string const & str, TexRow & texrow, int & column)
1739 if (!contains(str, "\n"))
1740 column += str.size();
1744 column = rsplit(str, tmp, '\n').size();
1751 int Paragraph::Private::startTeXParParams(BufferParams const & bparams,
1752 odocstream & os, TexRow & texrow,
1753 OutputParams const & runparams) const
1757 if (params_.noindent()) {
1758 os << "\\noindent ";
1762 LyXAlignment const curAlign = params_.align();
1764 if (curAlign == layout_->align)
1768 case LYX_ALIGN_NONE:
1769 case LYX_ALIGN_BLOCK:
1770 case LYX_ALIGN_LAYOUT:
1771 case LYX_ALIGN_SPECIAL:
1773 case LYX_ALIGN_LEFT:
1774 case LYX_ALIGN_RIGHT:
1775 case LYX_ALIGN_CENTER:
1776 if (runparams.moving_arg) {
1783 string const begin_tag = "\\begin";
1784 InsetCode code = owner_->ownerCode();
1785 bool const lastpar = runparams.isLastPar;
1788 case LYX_ALIGN_NONE:
1789 case LYX_ALIGN_BLOCK:
1790 case LYX_ALIGN_LAYOUT:
1791 case LYX_ALIGN_SPECIAL:
1793 case LYX_ALIGN_LEFT: {
1795 if (owner_->getParLanguage(bparams)->babel() != "hebrew")
1796 output = corrected_env(begin_tag, "flushleft", code, lastpar);
1798 output = corrected_env(begin_tag, "flushright", code, lastpar);
1799 os << from_ascii(output);
1800 adjust_row_column(output, texrow, column);
1802 } case LYX_ALIGN_RIGHT: {
1804 if (owner_->getParLanguage(bparams)->babel() != "hebrew")
1805 output = corrected_env(begin_tag, "flushright", code, lastpar);
1807 output = corrected_env(begin_tag, "flushleft", code, lastpar);
1808 os << from_ascii(output);
1809 adjust_row_column(output, texrow, column);
1811 } case LYX_ALIGN_CENTER: {
1813 output = corrected_env(begin_tag, "center", code, lastpar);
1814 os << from_ascii(output);
1815 adjust_row_column(output, texrow, column);
1824 int Paragraph::Private::endTeXParParams(BufferParams const & bparams,
1825 odocstream & os, TexRow & texrow,
1826 OutputParams const & runparams) const
1830 switch (params_.align()) {
1831 case LYX_ALIGN_NONE:
1832 case LYX_ALIGN_BLOCK:
1833 case LYX_ALIGN_LAYOUT:
1834 case LYX_ALIGN_SPECIAL:
1836 case LYX_ALIGN_LEFT:
1837 case LYX_ALIGN_RIGHT:
1838 case LYX_ALIGN_CENTER:
1839 if (runparams.moving_arg) {
1846 string const end_tag = "\n\\par\\end";
1847 InsetCode code = owner_->ownerCode();
1848 bool const lastpar = runparams.isLastPar;
1850 switch (params_.align()) {
1851 case LYX_ALIGN_NONE:
1852 case LYX_ALIGN_BLOCK:
1853 case LYX_ALIGN_LAYOUT:
1854 case LYX_ALIGN_SPECIAL:
1856 case LYX_ALIGN_LEFT: {
1858 if (owner_->getParLanguage(bparams)->babel() != "hebrew")
1859 output = corrected_env(end_tag, "flushleft", code, lastpar);
1861 output = corrected_env(end_tag, "flushright", code, lastpar);
1862 os << from_ascii(output);
1863 adjust_row_column(output, texrow, column);
1865 } case LYX_ALIGN_RIGHT: {
1867 if (owner_->getParLanguage(bparams)->babel() != "hebrew")
1868 output = corrected_env(end_tag, "flushright", code, lastpar);
1870 output = corrected_env(end_tag, "flushleft", code, lastpar);
1871 os << from_ascii(output);
1872 adjust_row_column(output, texrow, column);
1874 } case LYX_ALIGN_CENTER: {
1876 output = corrected_env(end_tag, "center", code, lastpar);
1877 os << from_ascii(output);
1878 adjust_row_column(output, texrow, column);
1887 // This one spits out the text of the paragraph
1888 bool Paragraph::latex(BufferParams const & bparams,
1889 Font const & outerfont,
1890 odocstream & os, TexRow & texrow,
1891 OutputParams const & runparams) const
1893 LYXERR(Debug::LATEX, "Paragraph::latex... " << this);
1895 bool return_value = false;
1897 bool asdefault = forcePlainLayout();
1899 Layout const & style = asdefault ?
1900 bparams.documentClass().plainLayout() :
1903 // Current base font for all inherited font changes, without any
1904 // change caused by an individual character, except for the language:
1905 // It is set to the language of the first character.
1906 // As long as we are in the label, this font is the base font of the
1907 // label. Before the first body character it is set to the base font
1911 // Maybe we have to create a optional argument.
1912 pos_type body_pos = beginOfBody();
1913 unsigned int column = 0;
1916 // the optional argument is kept in curly brackets in
1917 // case it contains a ']'
1920 basefont = getLabelFont(bparams, outerfont);
1922 basefont = getLayoutFont(bparams, outerfont);
1925 // Which font is currently active?
1926 Font running_font(basefont);
1927 // Do we have an open font change?
1928 bool open_font = false;
1930 Change runningChange = Change(Change::UNCHANGED);
1932 texrow.start(id(), 0);
1934 // if the paragraph is empty, the loop will not be entered at all
1936 if (style.isCommand()) {
1941 column += d->startTeXParParams(bparams, os, texrow,
1945 for (pos_type i = 0; i < size(); ++i) {
1946 // First char in paragraph or after label?
1947 if (i == body_pos) {
1950 column += running_font.latexWriteEndChanges(
1951 os, bparams, runparams,
1952 basefont, basefont);
1955 basefont = getLayoutFont(bparams, outerfont);
1956 running_font = basefont;
1958 column += Changes::latexMarkChange(os, bparams,
1959 runningChange, Change(Change::UNCHANGED));
1960 runningChange = Change(Change::UNCHANGED);
1965 if (style.isCommand()) {
1971 column += d->startTeXParParams(bparams, os,
1976 Change const & change = runparams.inDeletedInset ? runparams.changeOfDeletedInset
1979 if (bparams.outputChanges && runningChange != change) {
1981 column += running_font.latexWriteEndChanges(
1982 os, bparams, runparams, basefont, basefont);
1985 basefont = getLayoutFont(bparams, outerfont);
1986 running_font = basefont;
1988 column += Changes::latexMarkChange(os, bparams, runningChange, change);
1989 runningChange = change;
1992 // do not output text which is marked deleted
1993 // if change tracking output is disabled
1994 if (!bparams.outputChanges && change.type == Change::DELETED) {
2000 // Fully instantiated font
2001 Font const font = getFont(bparams, i, outerfont);
2003 Font const last_font = running_font;
2005 // Do we need to close the previous font?
2007 (font != running_font ||
2008 font.language() != running_font.language()))
2010 column += running_font.latexWriteEndChanges(
2011 os, bparams, runparams, basefont,
2012 (i == body_pos-1) ? basefont : font);
2013 running_font = basefont;
2017 // close babel's font environment before opening CJK.
2018 if (!running_font.language()->babel().empty() &&
2019 font.language()->encoding()->package() == Encoding::CJK) {
2020 string end_tag = subst(lyxrc.language_command_end,
2022 running_font.language()->babel());
2023 os << from_ascii(end_tag);
2024 column += end_tag.length();
2027 // Switch file encoding if necessary (and allowed)
2028 if (!runparams.verbatim &&
2029 runparams.encoding->package() != Encoding::none &&
2030 font.language()->encoding()->package() != Encoding::none) {
2031 pair<bool, int> const enc_switch = switchEncoding(os, bparams,
2032 runparams, *(font.language()->encoding()));
2033 if (enc_switch.first) {
2034 column += enc_switch.second;
2035 runparams.encoding = font.language()->encoding();
2039 char_type const c = d->text_[i];
2041 // Do we need to change font?
2042 if ((font != running_font ||
2043 font.language() != running_font.language()) &&
2046 odocstringstream ods;
2047 column += font.latexWriteStartChanges(ods, bparams,
2048 runparams, basefont,
2050 running_font = font;
2052 docstring fontchange = ods.str();
2053 // check if the fontchange ends with a trailing blank
2054 // (like "\small " (see bug 3382)
2055 if (suffixIs(fontchange, ' ') && c == ' ')
2056 os << fontchange.substr(0, fontchange.size() - 1)
2057 << from_ascii("{}");
2063 // FIXME: integrate this case in latexSpecialChar
2064 // Do not print the separation of the optional argument
2065 // if style.pass_thru is false. This works because
2066 // latexSpecialChar ignores spaces if
2067 // style.pass_thru is false.
2068 if (i != body_pos - 1) {
2069 if (d->simpleTeXBlanks(
2070 runparams, os, texrow,
2071 i, column, font, style)) {
2072 // A surrogate pair was output. We
2073 // must not call latexSpecialChar
2074 // in this iteration, since it would output
2075 // the combining character again.
2082 OutputParams rp = runparams;
2083 rp.free_spacing = style.free_spacing;
2084 rp.local_font = &font;
2085 rp.intitle = style.intitle;
2087 // Two major modes: LaTeX or plain
2088 // Handle here those cases common to both modes
2089 // and then split to handle the two modes separately.
2090 if (c == META_INSET)
2091 d->latexInset(bparams, os,
2092 texrow, rp, running_font,
2093 basefont, outerfont, open_font,
2094 runningChange, style, i, column);
2097 d->latexSpecialChar(os, rp, running_font, runningChange,
2099 } catch (EncodingException & e) {
2100 if (runparams.dryrun) {
2101 os << "<" << _("LyX Warning: ")
2102 << _("uncodable character") << " '";
2106 // add location information and throw again.
2114 // Set the encoding to that returned from latexSpecialChar (see
2115 // comment for encoding member in OutputParams.h)
2116 runparams.encoding = rp.encoding;
2119 // If we have an open font definition, we have to close it
2121 #ifdef FIXED_LANGUAGE_END_DETECTION
2124 .latexWriteEndChanges(os, bparams, runparams,
2126 next_->getFont(bparams, 0, outerfont));
2128 running_font.latexWriteEndChanges(os, bparams,
2129 runparams, basefont, basefont);
2132 //FIXME: For now we ALWAYS have to close the foreign font settings if they are
2133 //FIXME: there as we start another \selectlanguage with the next paragraph if
2134 //FIXME: we are in need of this. This should be fixed sometime (Jug)
2135 running_font.latexWriteEndChanges(os, bparams, runparams,
2136 basefont, basefont);
2140 column += Changes::latexMarkChange(os, bparams, runningChange, Change(Change::UNCHANGED));
2142 // Needed if there is an optional argument but no contents.
2143 if (body_pos > 0 && body_pos == size()) {
2145 return_value = false;
2149 column += d->endTeXParParams(bparams, os, texrow,
2153 LYXERR(Debug::LATEX, "Paragraph::latex... done " << this);
2154 return return_value;
2158 bool Paragraph::emptyTag() const
2160 for (pos_type i = 0; i < size(); ++i) {
2161 if (Inset const * inset = getInset(i)) {
2162 InsetCode lyx_code = inset->lyxCode();
2163 if (lyx_code != TOC_CODE &&
2164 lyx_code != INCLUDE_CODE &&
2165 lyx_code != GRAPHICS_CODE &&
2166 lyx_code != ERT_CODE &&
2167 lyx_code != LISTINGS_CODE &&
2168 lyx_code != FLOAT_CODE &&
2169 lyx_code != TABULAR_CODE) {
2173 char_type c = d->text_[i];
2174 if (c != ' ' && c != '\t')
2182 string Paragraph::getID(Buffer const & buf, OutputParams const & runparams)
2185 for (pos_type i = 0; i < size(); ++i) {
2186 if (Inset const * inset = getInset(i)) {
2187 InsetCode lyx_code = inset->lyxCode();
2188 if (lyx_code == LABEL_CODE) {
2189 InsetLabel const * const il = static_cast<InsetLabel const *>(inset);
2190 docstring const & id = il->getParam("name");
2191 return "id='" + to_utf8(sgml::cleanID(buf, runparams, id)) + "'";
2199 pos_type Paragraph::firstWord(odocstream & os, OutputParams const & runparams)
2203 for (i = 0; i < size(); ++i) {
2204 if (Inset const * inset = getInset(i)) {
2205 inset->docbook(os, runparams);
2207 char_type c = d->text_[i];
2210 os << sgml::escapeChar(c);
2217 bool Paragraph::Private::onlyText(Buffer const & buf, Font const & outerfont, pos_type initial) const
2220 pos_type size = text_.size();
2221 for (pos_type i = initial; i < size; ++i) {
2222 Font font = owner_->getFont(buf.params(), i, outerfont);
2223 if (text_[i] == META_INSET)
2225 if (i != initial && font != font_old)
2234 void Paragraph::simpleDocBookOnePar(Buffer const & buf,
2236 OutputParams const & runparams,
2237 Font const & outerfont,
2238 pos_type initial) const
2240 bool emph_flag = false;
2242 Layout const & style = *d->layout_;
2244 style.labeltype == LABEL_MANUAL ? style.labelfont : style.font;
2246 if (style.pass_thru && !d->onlyText(buf, outerfont, initial))
2249 // parsing main loop
2250 for (pos_type i = initial; i < size(); ++i) {
2251 Font font = getFont(buf.params(), i, outerfont);
2253 // handle <emphasis> tag
2254 if (font_old.emph() != font.fontInfo().emph()) {
2255 if (font.fontInfo().emph() == FONT_ON) {
2258 } else if (i != initial) {
2259 os << "</emphasis>";
2264 if (Inset const * inset = getInset(i)) {
2265 inset->docbook(os, runparams);
2267 char_type c = d->text_[i];
2269 if (style.pass_thru)
2272 os << sgml::escapeChar(c);
2274 font_old = font.fontInfo();
2278 os << "</emphasis>";
2281 if (style.free_spacing)
2283 if (style.pass_thru && !d->onlyText(buf, outerfont, initial))
2288 bool Paragraph::isHfill(pos_type pos) const
2290 Inset const * inset = getInset(pos);
2291 return inset && (inset->lyxCode() == SPACE_CODE &&
2292 inset->isStretchableSpace());
2296 bool Paragraph::isNewline(pos_type pos) const
2298 Inset const * inset = getInset(pos);
2299 return inset && inset->lyxCode() == NEWLINE_CODE;
2303 bool Paragraph::isLineSeparator(pos_type pos) const
2305 char_type const c = d->text_[pos];
2306 if (isLineSeparatorChar(c))
2308 Inset const * inset = getInset(pos);
2309 return inset && inset->isLineSeparator();
2313 /// Used by the spellchecker
2314 bool Paragraph::isLetter(pos_type pos) const
2316 if (Inset const * inset = getInset(pos))
2317 return inset->isLetter();
2318 char_type const c = d->text_[pos];
2319 return isLetterChar(c) || isDigit(c);
2323 bool Paragraph::isChar(pos_type pos) const
2325 if (Inset const * inset = getInset(pos))
2326 return inset->isChar();
2327 char_type const c = d->text_[pos];
2328 return !isLetterChar(c) && !isDigit(c) && !lyx::isSpace(c);
2332 bool Paragraph::isSpace(pos_type pos) const
2334 if (Inset const * inset = getInset(pos))
2335 return inset->isSpace();
2336 char_type const c = d->text_[pos];
2337 return lyx::isSpace(c);
2342 Paragraph::getParLanguage(BufferParams const & bparams) const
2345 return getFirstFontSettings(bparams).language();
2346 // FIXME: we should check the prev par as well (Lgb)
2347 return bparams.language;
2351 bool Paragraph::isRTL(BufferParams const & bparams) const
2353 return lyxrc.rtl_support
2354 && getParLanguage(bparams)->rightToLeft()
2355 && ownerCode() != ERT_CODE
2356 && ownerCode() != LISTINGS_CODE;
2360 void Paragraph::changeLanguage(BufferParams const & bparams,
2361 Language const * from, Language const * to)
2363 // change language including dummy font change at the end
2364 for (pos_type i = 0; i <= size(); ++i) {
2365 Font font = getFontSettings(bparams, i);
2366 if (font.language() == from) {
2367 font.setLanguage(to);
2374 bool Paragraph::isMultiLingual(BufferParams const & bparams) const
2376 Language const * doc_language = bparams.language;
2377 FontList::const_iterator cit = d->fontlist_.begin();
2378 FontList::const_iterator end = d->fontlist_.end();
2380 for (; cit != end; ++cit)
2381 if (cit->font().language() != ignore_language &&
2382 cit->font().language() != latex_language &&
2383 cit->font().language() != doc_language)
2389 docstring Paragraph::asString(int options) const
2391 return asString(0, size(), options);
2395 docstring Paragraph::asString(pos_type beg, pos_type end, int options) const
2397 odocstringstream os;
2400 && options & AS_STR_LABEL
2401 && !d->params_.labelString().empty())
2402 os << d->params_.labelString() << ' ';
2404 for (pos_type i = beg; i < end; ++i) {
2405 char_type const c = d->text_[i];
2406 if (isPrintable(c) || c == '\t')
2408 else if (c == META_INSET && options & AS_STR_INSETS)
2409 getInset(i)->textString(os);
2416 void Paragraph::setInsetOwner(Inset const * inset)
2418 d->inset_owner_ = inset;
2422 int Paragraph::id() const
2428 Layout const & Paragraph::layout() const
2434 void Paragraph::setLayout(Layout const & layout)
2436 d->layout_ = &layout;
2440 void Paragraph::setPlainOrDefaultLayout(DocumentClass const & tclass)
2442 if (usePlainLayout())
2443 setLayout(tclass.plainLayout());
2445 setLayout(tclass.defaultLayout());
2449 Inset const & Paragraph::inInset() const
2451 LASSERT(d->inset_owner_, throw ExceptionMessage(BufferException,
2452 _("Memory problem"), _("Paragraph not properly initiliazed")));
2453 return *d->inset_owner_;
2457 InsetCode Paragraph::ownerCode() const
2459 return d->inset_owner_ ? d->inset_owner_->lyxCode() : NO_CODE;
2463 ParagraphParameters & Paragraph::params()
2469 ParagraphParameters const & Paragraph::params() const
2475 bool Paragraph::isFreeSpacing() const
2477 if (d->layout_->free_spacing)
2479 return d->inset_owner_ && d->inset_owner_->isFreeSpacing();
2483 bool Paragraph::allowEmpty() const
2485 if (d->layout_->keepempty)
2487 return d->inset_owner_ && d->inset_owner_->allowEmpty();
2491 char_type Paragraph::transformChar(char_type c, pos_type pos) const
2493 if (!Encodings::isArabicChar(c))
2496 char_type prev_char = ' ';
2497 char_type next_char = ' ';
2499 for (pos_type i = pos - 1; i >= 0; --i) {
2500 char_type const par_char = d->text_[i];
2501 if (!Encodings::isArabicComposeChar(par_char)) {
2502 prev_char = par_char;
2507 for (pos_type i = pos + 1, end = size(); i < end; ++i) {
2508 char_type const par_char = d->text_[i];
2509 if (!Encodings::isArabicComposeChar(par_char)) {
2510 next_char = par_char;
2515 if (Encodings::isArabicChar(next_char)) {
2516 if (Encodings::isArabicChar(prev_char) &&
2517 !Encodings::isArabicSpecialChar(prev_char))
2518 return Encodings::transformChar(c, Encodings::FORM_MEDIAL);
2520 return Encodings::transformChar(c, Encodings::FORM_INITIAL);
2522 if (Encodings::isArabicChar(prev_char) &&
2523 !Encodings::isArabicSpecialChar(prev_char))
2524 return Encodings::transformChar(c, Encodings::FORM_FINAL);
2526 return Encodings::transformChar(c, Encodings::FORM_ISOLATED);
2531 int Paragraph::checkBiblio(Buffer const & buffer)
2534 // This is getting more and more a mess. ...We really should clean
2535 // up this bibitem issue for 1.6. See also bug 2743.
2537 // Add bibitem insets if necessary
2538 if (d->layout_->labeltype != LABEL_BIBLIO)
2541 bool hasbibitem = !d->insetlist_.empty()
2542 // Insist on it being in pos 0
2543 && d->text_[0] == META_INSET
2544 && d->insetlist_.begin()->inset->lyxCode() == BIBITEM_CODE;
2546 bool track_changes = buffer.params().trackChanges;
2551 // remove a bibitem in pos != 0
2552 // restore it later in pos 0 if necessary
2553 // (e.g. if a user inserts contents _before_ the item)
2554 // we're assuming there's only one of these, which there
2556 int erasedInsetPosition = -1;
2557 InsetList::iterator it = d->insetlist_.begin();
2558 InsetList::iterator end = d->insetlist_.end();
2559 for (; it != end; ++it)
2560 if (it->inset->lyxCode() == BIBITEM_CODE
2562 InsetBibitem * olditem = static_cast<InsetBibitem *>(it->inset);
2563 oldkey = olditem->getParam("key");
2564 oldlabel = olditem->getParam("label");
2565 erasedInsetPosition = it->pos;
2566 eraseChar(erasedInsetPosition, track_changes);
2570 // There was an InsetBibitem at the beginning, and we didn't
2571 // have to erase one.
2572 if (hasbibitem && erasedInsetPosition < 0)
2575 // There was an InsetBibitem at the beginning and we did have to
2576 // erase one. So we give its properties to the beginning inset.
2578 InsetBibitem * inset =
2579 static_cast<InsetBibitem *>(d->insetlist_.begin()->inset);
2580 if (!oldkey.empty())
2581 inset->setParam("key", oldkey);
2582 inset->setParam("label", oldlabel);
2583 return -erasedInsetPosition;
2586 // There was no inset at the beginning, so we need to create one with
2587 // the key and label of the one we erased.
2588 InsetBibitem * inset =
2589 new InsetBibitem(buffer, InsetCommandParams(BIBITEM_CODE));
2590 // restore values of previously deleted item in this par.
2591 if (!oldkey.empty())
2592 inset->setParam("key", oldkey);
2593 inset->setParam("label", oldlabel);
2594 insertInset(0, static_cast<Inset *>(inset),
2595 Change(track_changes ? Change::INSERTED : Change::UNCHANGED));
2601 void Paragraph::checkAuthors(AuthorList const & authorList)
2603 d->changes_.checkAuthors(authorList);
2607 bool Paragraph::isUnchanged(pos_type pos) const
2609 return lookupChange(pos).type == Change::UNCHANGED;
2613 bool Paragraph::isInserted(pos_type pos) const
2615 return lookupChange(pos).type == Change::INSERTED;
2619 bool Paragraph::isDeleted(pos_type pos) const
2621 return lookupChange(pos).type == Change::DELETED;
2625 InsetList const & Paragraph::insetList() const
2627 return d->insetlist_;
2631 void Paragraph::setBuffer(Buffer & b)
2633 d->insetlist_.setBuffer(b);
2637 Inset * Paragraph::releaseInset(pos_type pos)
2639 Inset * inset = d->insetlist_.release(pos);
2640 /// does not honour change tracking!
2641 eraseChar(pos, false);
2646 Inset * Paragraph::getInset(pos_type pos)
2648 return (pos < pos_type(d->text_.size()) && d->text_[pos] == META_INSET)
2649 ? d->insetlist_.get(pos) : 0;
2653 Inset const * Paragraph::getInset(pos_type pos) const
2655 return (pos < pos_type(d->text_.size()) && d->text_[pos] == META_INSET)
2656 ? d->insetlist_.get(pos) : 0;
2660 void Paragraph::changeCase(BufferParams const & bparams, pos_type pos,
2661 pos_type & right, TextCase action)
2663 // process sequences of modified characters; in change
2664 // tracking mode, this approach results in much better
2665 // usability than changing case on a char-by-char basis
2668 bool const trackChanges = bparams.trackChanges;
2670 bool capitalize = true;
2672 for (; pos < right; ++pos) {
2673 char_type oldChar = d->text_[pos];
2674 char_type newChar = oldChar;
2676 // ignore insets and don't play with deleted text!
2677 if (oldChar != META_INSET && !isDeleted(pos)) {
2679 case text_lowercase:
2680 newChar = lowercase(oldChar);
2682 case text_capitalization:
2684 newChar = uppercase(oldChar);
2688 case text_uppercase:
2689 newChar = uppercase(oldChar);
2694 if (!isLetter(pos) || isDeleted(pos)) {
2695 // permit capitalization again
2699 if (oldChar != newChar)
2702 if (oldChar == newChar || pos == right - 1) {
2703 if (oldChar != newChar) {
2704 // step behind the changing area
2707 int erasePos = pos - changes.size();
2708 for (size_t i = 0; i < changes.size(); i++) {
2709 insertChar(pos, changes[i],
2710 getFontSettings(bparams,
2713 if (!eraseChar(erasePos, trackChanges)) {
2716 ++right; // expand selection
2725 bool Paragraph::find(docstring const & str, bool cs, bool mw,
2726 pos_type pos, bool del) const
2728 int const strsize = str.length();
2730 pos_type const parsize = d->text_.size();
2731 for (i = 0; pos + i < parsize; ++i) {
2734 if (cs && str[i] != d->text_[pos + i])
2736 if (!cs && uppercase(str[i]) != uppercase(d->text_[pos + i]))
2738 if (!del && isDeleted(pos + i))
2745 // if necessary, check whether string matches word
2747 if (pos > 0 && isLetter(pos - 1))
2749 if (pos + strsize < parsize
2750 && isLetter(pos + strsize))
2758 char_type Paragraph::getChar(pos_type pos) const
2760 return d->text_[pos];
2764 pos_type Paragraph::size() const
2766 return d->text_.size();
2770 bool Paragraph::empty() const
2772 return d->text_.empty();
2776 bool Paragraph::isInset(pos_type pos) const
2778 return d->text_[pos] == META_INSET;
2782 bool Paragraph::isSeparator(pos_type pos) const
2784 //FIXME: Are we sure this can be the only separator?
2785 return d->text_[pos] == ' ';
2789 void Paragraph::deregisterWords()
2791 Private::Words::const_iterator it;
2792 WordList & wl = theWordList();
2793 for (it = d->words_.begin(); it != d->words_.end(); ++it)
2799 void Paragraph::collectWords(CursorSlice const & sl)
2802 bool inword = false;
2804 //lyxerr << "Words: ";
2805 pos_type n = size();
2806 for (pos_type pos = 0; pos != n; ++pos) {
2810 if (!isLetter(pos)) {
2819 CursorSlice from = sl;
2820 CursorSlice to = sl;
2823 from.text()->getWord(from, to, WHOLE_WORD);
2824 if (to.pos() - from.pos() < 6)
2826 docstring word = asString(from.pos(), to.pos(), false);
2827 d->words_.insert(word);
2828 //lyxerr << word << " ";
2830 //lyxerr << std::endl;
2834 void Paragraph::registerWords()
2836 Private::Words::const_iterator it;
2837 WordList & wl = theWordList();
2838 for (it = d->words_.begin(); it != d->words_.end(); ++it)
2843 void Paragraph::updateWords(CursorSlice const & sl)
2845 LASSERT(&sl.paragraph() == this, /**/);