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"
23 #include "BufferParams.h"
29 #include "InsetList.h"
31 #include "LaTeXFeatures.h"
39 #include "OutputParams.h"
40 #include "output_latex.h"
41 #include "paragraph_funcs.h"
42 #include "ParagraphParameters.h"
47 #include "frontends/alert.h"
48 #include "frontends/FontMetrics.h"
50 #include "insets/InsetBibitem.h"
51 #include "insets/InsetLabel.h"
52 #include "insets/InsetOptArg.h"
54 #include "support/lstrings.h"
55 #include "support/textutils.h"
56 #include "support/convert.h"
57 #include "support/unicode.h"
68 using support::contains;
69 using support::lowercase;
70 using support::prefixIs;
71 using support::suffixIs;
72 using support::rsplit;
74 using support::uppercase;
77 /// Inset identifier (above 0x10ffff, for ucs-4)
78 char_type const META_INSET = 0x200001;
81 /////////////////////////////////////////////////////////////////////
85 /////////////////////////////////////////////////////////////////////
87 class Paragraph::Private
91 Private(Paragraph * owner);
92 /// "Copy constructor"
93 Private(Private const &, Paragraph * owner);
96 void insertChar(pos_type pos, char_type c, Change const & change);
98 /// Output the surrogate pair formed by \p c and \p next to \p os.
99 /// \return the number of characters written.
100 int latexSurrogatePair(odocstream & os, char_type c, char_type next,
103 /// Output a space in appropriate formatting (or a surrogate pair
104 /// if the next character is a combining character).
105 /// \return whether a surrogate pair was output.
106 bool simpleTeXBlanks(Encoding const &,
107 odocstream &, TexRow & texrow,
109 unsigned int & column,
111 Layout const & style);
113 /// Output consecutive known unicode chars, belonging to the same
114 /// language as specified by \p preamble, to \p os starting from \p c.
115 /// \return the number of characters written.
116 int knownLangChars(odocstream & os, char_type c, string & preamble,
117 Change &, Encoding const &, pos_type &);
119 /// This could go to ParagraphParameters if we want to.
120 int startTeXParParams(BufferParams const &, odocstream &, TexRow &,
123 /// This could go to ParagraphParameters if we want to.
124 int endTeXParParams(BufferParams const &, odocstream &, TexRow &,
128 void latexInset(Buffer const &, BufferParams const &,
130 TexRow & texrow, OutputParams &,
133 Font const & outerfont,
135 Change & running_change,
136 Layout const & style,
138 unsigned int & column);
141 void latexSpecialChar(
143 OutputParams & runparams,
145 Change & running_change,
146 Layout const & style,
148 unsigned int & column);
155 unsigned int & column);
157 bool latexSpecialTypewriter(
161 unsigned int & column);
163 bool latexSpecialPhrase(
166 unsigned int & column);
169 void validate(LaTeXFeatures & features,
170 Layout const & layout) const;
172 /// match a string against a particular point in the paragraph
173 bool isTextAt(std::string const & str, pos_type pos) const;
175 /// Which Paragraph owns us?
179 Inset * inset_owner_;
187 static unsigned int paragraph_id;
189 ParagraphParameters params_;
191 /// for recording and looking up changes
195 InsetList insetlist_;
201 pos_type begin_of_body_;
203 typedef docstring TextContainer;
212 using std::upper_bound;
213 using std::lower_bound;
217 // Initialization of the counter for the paragraph id's,
218 unsigned int Paragraph::Private::paragraph_id = 0;
222 struct special_phrase {
228 special_phrase const special_phrases[] = {
229 { "LyX", from_ascii("\\protect\\LyX{}"), false },
230 { "TeX", from_ascii("\\protect\\TeX{}"), true },
231 { "LaTeX2e", from_ascii("\\protect\\LaTeXe{}"), true },
232 { "LaTeX", from_ascii("\\protect\\LaTeX{}"), true },
235 size_t const phrases_nr = sizeof(special_phrases)/sizeof(special_phrase);
240 Paragraph::Private::Private(Paragraph * owner)
241 : owner_(owner), inset_owner_(0), begin_of_body_(0)
243 id_ = paragraph_id++;
248 Paragraph::Private::Private(Private const & p, Paragraph * owner)
249 : owner_(owner), inset_owner_(p.inset_owner_), fontlist_(p.fontlist_),
250 params_(p.params_), changes_(p.changes_), insetlist_(p.insetlist_),
251 layout_(p.layout_), begin_of_body_(p.begin_of_body_), text_(p.text_)
253 id_ = paragraph_id++;
257 bool Paragraph::isChanged(pos_type start, pos_type end) const
259 BOOST_ASSERT(start >= 0 && start <= size());
260 BOOST_ASSERT(end > start && end <= size() + 1);
262 return d->changes_.isChanged(start, end);
266 bool Paragraph::isMergedOnEndOfParDeletion(bool trackChanges) const {
267 // keep the logic here in sync with the logic of eraseChars()
273 Change change = d->changes_.lookup(size());
275 return change.type == Change::INSERTED && change.author == 0;
279 void Paragraph::setChange(Change const & change)
281 // beware of the imaginary end-of-par character!
282 d->changes_.set(change, 0, size() + 1);
285 * Propagate the change recursively - but not in case of DELETED!
287 * Imagine that your co-author makes changes in an existing inset. He
288 * sends your document to you and you come to the conclusion that the
289 * inset should go completely. If you erase it, LyX must not delete all
290 * text within the inset. Otherwise, the change tracked insertions of
291 * your co-author get lost and there is no way to restore them later.
293 * Conclusion: An inset's content should remain untouched if you delete it
296 if (change.type != Change::DELETED) {
297 for (pos_type pos = 0; pos < size(); ++pos) {
299 getInset(pos)->setChange(change);
305 void Paragraph::setChange(pos_type pos, Change const & change)
307 BOOST_ASSERT(pos >= 0 && pos <= size());
309 d->changes_.set(change, pos);
311 // see comment in setChange(Change const &) above
313 if (change.type != Change::DELETED &&
314 pos < size() && isInset(pos)) {
315 getInset(pos)->setChange(change);
320 Change const & Paragraph::lookupChange(pos_type pos) const
322 BOOST_ASSERT(pos >= 0 && pos <= size());
324 return d->changes_.lookup(pos);
328 void Paragraph::acceptChanges(BufferParams const & bparams, pos_type start,
331 BOOST_ASSERT(start >= 0 && start <= size());
332 BOOST_ASSERT(end > start && end <= size() + 1);
334 for (pos_type pos = start; pos < end; ++pos) {
335 switch (lookupChange(pos).type) {
336 case Change::UNCHANGED:
337 // accept changes in nested inset
338 if (pos < size() && isInset(pos))
339 getInset(pos)->acceptChanges(bparams);
343 case Change::INSERTED:
344 d->changes_.set(Change(Change::UNCHANGED), pos);
345 // also accept changes in nested inset
346 if (pos < size() && isInset(pos)) {
347 getInset(pos)->acceptChanges(bparams);
351 case Change::DELETED:
352 // Suppress access to non-existent
353 // "end-of-paragraph char"
355 eraseChar(pos, false);
366 void Paragraph::rejectChanges(BufferParams const & bparams,
367 pos_type start, pos_type end)
369 BOOST_ASSERT(start >= 0 && start <= size());
370 BOOST_ASSERT(end > start && end <= size() + 1);
372 for (pos_type pos = start; pos < end; ++pos) {
373 switch (lookupChange(pos).type) {
374 case Change::UNCHANGED:
375 // reject changes in nested inset
376 if (pos < size() && isInset(pos)) {
377 getInset(pos)->rejectChanges(bparams);
381 case Change::INSERTED:
382 // Suppress access to non-existent
383 // "end-of-paragraph char"
385 eraseChar(pos, false);
391 case Change::DELETED:
392 d->changes_.set(Change(Change::UNCHANGED), pos);
394 // Do NOT reject changes within a deleted inset!
395 // There may be insertions of a co-author inside of it!
403 void Paragraph::Private::insertChar(pos_type pos, char_type c,
404 Change const & change)
406 BOOST_ASSERT(pos >= 0 && pos <= int(text_.size()));
409 changes_.insert(change, pos);
411 // This is actually very common when parsing buffers (and
412 // maybe inserting ascii text)
413 if (pos == text_.size()) {
414 // when appending characters, no need to update tables
419 text_.insert(text_.begin() + pos, c);
421 // Update the font table.
422 fontlist_.increasePosAfterPos(pos);
425 insetlist_.increasePosAfterPos(pos);
429 void Paragraph::insertInset(pos_type pos, Inset * inset,
430 Change const & change)
433 BOOST_ASSERT(pos >= 0 && pos <= size());
435 d->insertChar(pos, META_INSET, change);
436 BOOST_ASSERT(d->text_[pos] == META_INSET);
438 // Add a new entry in the insetlist_.
439 d->insetlist_.insert(inset, pos);
443 bool Paragraph::eraseChar(pos_type pos, bool trackChanges)
445 BOOST_ASSERT(pos >= 0 && pos <= size());
447 // keep the logic here in sync with the logic of isMergedOnEndOfParDeletion()
450 Change change = d->changes_.lookup(pos);
452 // set the character to DELETED if
453 // a) it was previously unchanged or
454 // b) it was inserted by a co-author
456 if (change.type == Change::UNCHANGED ||
457 (change.type == Change::INSERTED && change.author != 0)) {
458 setChange(pos, Change(Change::DELETED));
462 if (change.type == Change::DELETED)
466 // Don't physically access the imaginary end-of-paragraph character.
467 // eraseChar() can only mark it as DELETED. A physical deletion of
468 // end-of-par must be handled externally.
474 d->changes_.erase(pos);
476 // if it is an inset, delete the inset entry
477 if (d->text_[pos] == META_INSET)
478 d->insetlist_.erase(pos);
480 d->text_.erase(d->text_.begin() + pos);
482 // Update the fontlist_
483 d->fontlist_.erase(pos);
485 // Update the insetlist_
486 d->insetlist_.decreasePosAfterPos(pos);
492 int Paragraph::eraseChars(pos_type start, pos_type end, bool trackChanges)
494 BOOST_ASSERT(start >= 0 && start <= size());
495 BOOST_ASSERT(end >= start && end <= size() + 1);
498 for (pos_type count = end - start; count; --count) {
499 if (!eraseChar(i, trackChanges))
506 int Paragraph::Private::latexSurrogatePair(odocstream & os, char_type c,
507 char_type next, Encoding const & encoding)
509 // Writing next here may circumvent a possible font change between
510 // c and next. Since next is only output if it forms a surrogate pair
511 // with c we can ignore this:
512 // A font change inside a surrogate pair does not make sense and is
513 // hopefully impossible to input.
514 // FIXME: change tracking
515 // Is this correct WRT change tracking?
516 docstring const latex1 = encoding.latexChar(next);
517 docstring const latex2 = encoding.latexChar(c);
518 os << latex1 << '{' << latex2 << '}';
519 return latex1.length() + latex2.length() + 2;
523 bool Paragraph::Private::simpleTeXBlanks(Encoding const & encoding,
524 odocstream & os, TexRow & texrow,
526 unsigned int & column,
528 Layout const & style)
533 if (i + 1 < int(text_.size())) {
534 char_type next = text_[i + 1];
535 if (Encodings::isCombiningChar(next)) {
536 // This space has an accent, so we must always output it.
537 column += latexSurrogatePair(os, ' ', next, encoding) - 1;
542 if (lyxrc.plaintext_linelen > 0
543 && column > lyxrc.plaintext_linelen
545 && text_[i - 1] != ' '
546 && (i + 1 < int(text_.size()))
547 // same in FreeSpacing mode
548 && !owner_->isFreeSpacing()
549 // In typewriter mode, we want to avoid
550 // ! . ? : at the end of a line
551 && !(font.family() == Font::TYPEWRITER_FAMILY
552 && (text_[i - 1] == '.'
553 || text_[i - 1] == '?'
554 || text_[i - 1] == ':'
555 || text_[i - 1] == '!'))) {
558 texrow.start(owner_->id(), i + 1);
560 } else if (style.free_spacing) {
569 int Paragraph::Private::knownLangChars(odocstream & os,
572 Change & runningChange,
573 Encoding const & encoding,
576 // When the character is marked by the proper language, we simply
577 // get its code point in some encoding, otherwise we get the
578 // translation specified in the unicodesymbols file, which is
579 // something like "\textLANG{<spec>}". So, we have to retain
580 // "\textLANG{<spec>" for the first char but only "<spec>" for
581 // all subsequent chars.
582 docstring const latex1 = rtrim(encoding.latexChar(c), "}");
583 int length = latex1.length();
585 int size = text_.size();
586 while (i + 1 < size) {
587 char_type next = text_[i + 1];
588 // Stop here if next character belongs to another
589 // language or there is a change tracking status.
590 if (!Encodings::isKnownLangChar(next, preamble) ||
591 runningChange != owner_->lookupChange(i + 1))
595 FontList::const_iterator cit = fontlist_.begin();
596 FontList::const_iterator end = fontlist_.end();
597 for (; cit != end; ++cit) {
598 if (cit->pos() >= i && !found) {
599 prev_font = cit->font();
602 if (cit->pos() >= i + 1)
605 // Stop here if there is a font attribute change.
606 if (found && cit != end && prev_font != cit->font())
608 docstring const latex = rtrim(encoding.latexChar(next), "}");
609 docstring::size_type const j =
610 latex.find_first_of(from_ascii("{"));
611 if (j == docstring::npos) {
613 length += latex.length();
615 os << latex.substr(j + 1);
616 length += latex.substr(j + 1).length();
620 // When the proper language is set, we are simply passed a code
621 // point, so we should not try to close the \textLANG command.
622 if (prefixIs(latex1, from_ascii("\\" + preamble))) {
630 bool Paragraph::Private::isTextAt(string const & str, pos_type pos) const
632 pos_type const len = str.length();
634 // is the paragraph large enough?
635 if (pos + len > int(text_.size()))
638 // does the wanted text start at point?
639 for (string::size_type i = 0; i < str.length(); ++i) {
640 // Caution: direct comparison of characters works only
641 // because str is pure ASCII.
642 if (str[i] != text_[pos + i])
646 return fontlist_.hasChangeInRange(pos, len);
650 void Paragraph::Private::latexInset(Buffer const & buf,
651 BufferParams const & bparams,
654 OutputParams & runparams,
657 Font const & outerfont,
659 Change & running_change,
660 Layout const & style,
662 unsigned int & column)
664 Inset * inset = owner_->getInset(i);
667 if (style.pass_thru) {
668 inset->plaintext(buf, os, runparams);
672 // FIXME: move this to InsetNewline::latex
673 if (inset->lyxCode() == NEWLINE_CODE) {
674 // newlines are handled differently here than
675 // the default in simpleTeXSpecialChars().
676 if (!style.newline_allowed) {
680 column += running_font.latexWriteEndChanges(
681 os, bparams, runparams,
686 if (running_font.family() == Font::TYPEWRITER_FAMILY)
689 basefont = owner_->getLayoutFont(bparams, outerfont);
690 running_font = basefont;
692 if (runparams.moving_arg)
698 texrow.start(owner_->id(), i + 1);
702 if (owner_->lookupChange(i).type == Change::DELETED) {
703 if( ++runparams.inDeletedInset == 1)
704 runparams.changeOfDeletedInset = owner_->lookupChange(i);
707 if (inset->canTrackChanges()) {
708 column += Changes::latexMarkChange(os, bparams, running_change,
709 Change(Change::UNCHANGED));
710 running_change = Change(Change::UNCHANGED);
714 odocstream::pos_type const len = os.tellp();
716 if ((inset->lyxCode() == GRAPHICS_CODE
717 || inset->lyxCode() == MATH_CODE
718 || inset->lyxCode() == HYPERLINK_CODE)
719 && running_font.isRightToLeft()) {
720 if (running_font.language()->lang() == "farsi")
727 // FIXME: Bug: we can have an empty font change here!
728 // if there has just been a font change, we are going to close it
729 // right now, which means stupid latex code like \textsf{}. AFAIK,
730 // this does not harm dvi output. A minor bug, thus (JMarc)
732 // Some insets cannot be inside a font change command.
733 // However, even such insets *can* be placed in \L or \R
734 // or their equivalents (for RTL language switches), so we don't
735 // close the language in those cases.
736 // ArabTeX, though, cannot handle this special behavior, it seems.
737 bool arabtex = basefont.language()->lang() == "arabic_arabtex"
738 || running_font.language()->lang() == "arabic_arabtex";
739 if (open_font && inset->noFontChange()) {
740 bool closeLanguage = arabtex
741 || basefont.isRightToLeft() == running_font.isRightToLeft();
742 unsigned int count = running_font.latexWriteEndChanges(os,
743 bparams, runparams, basefont, basefont, closeLanguage);
745 // if any font properties were closed, update the running_font,
746 // making sure, however, to leave the language as it was
748 // FIXME: probably a better way to keep track of the old
749 // language, than copying the entire font?
750 Font const copy_font(running_font);
751 basefont = owner_->getLayoutFont(bparams, outerfont);
752 running_font = basefont;
754 running_font.setLanguage(copy_font.language());
755 // leave font open if language is still open
756 open_font = (running_font.language() == basefont.language());
758 runparams.local_font = &basefont;
762 int tmp = inset->latex(buf, os, runparams);
765 if (running_font.language()->lang() == "farsi")
772 for (int j = 0; j < tmp; ++j)
775 texrow.start(owner_->id(), i + 1);
778 column += os.tellp() - len;
781 if (owner_->lookupChange(i).type == Change::DELETED)
782 --runparams.inDeletedInset;
786 void Paragraph::Private::latexSpecialChar(
788 OutputParams & runparams,
790 Change & running_change,
791 Layout const & style,
793 unsigned int & column)
795 char_type const c = text_[i];
797 if (style.pass_thru) {
799 // FIXME UNICODE: This can fail if c cannot
800 // be encoded in the current encoding.
805 if (runparams.verbatim) {
810 if (lyxrc.fontenc == "T1" && latexSpecialT1(c, os, i, column))
813 if (running_font.family() == Font::TYPEWRITER_FAMILY
814 && latexSpecialTypewriter(c, os, i, column))
817 // Otherwise, we use what LaTeX provides us.
820 os << "\\textbackslash{}";
824 os << "\\textless{}";
828 os << "\\textgreater{}";
839 os << "\\char`\\\"{}";
844 case '%': case '#': case '{':
852 os << "\\textasciitilde{}";
857 os << "\\textasciicircum{}";
862 // avoid being mistaken for optional arguments
870 // Blanks are printed before font switching.
871 // Sure? I am not! (try nice-latex)
872 // I am sure it's correct. LyX might be smarter
873 // in the future, but for now, nothing wrong is
880 if (latexSpecialPhrase(os, i, column))
886 Encoding const & encoding = *(runparams.encoding);
887 if (i + 1 < int(text_.size())) {
888 char_type next = text_[i + 1];
889 if (Encodings::isCombiningChar(next)) {
890 column += latexSurrogatePair(os, c, next, encoding) - 1;
896 if (Encodings::isKnownLangChar(c, preamble)) {
897 column += knownLangChars(os, c, preamble, running_change,
901 docstring const latex = encoding.latexChar(c);
902 if (latex.length() > 1 && latex[latex.length() - 1] != '}') {
903 // Prevent eating of a following
904 // space or command corruption by
905 // following characters
906 column += latex.length() + 1;
909 column += latex.length() - 1;
917 bool Paragraph::Private::latexSpecialT1(char_type const c, odocstream & os,
918 pos_type & i, unsigned int & column)
924 // In T1 encoding, these characters exist
925 // but we should avoid ligatures
926 if (i + 1 > int(text_.size()) || text_[i + 1] != c)
931 //os << "\\textcompwordmark{}";
943 bool Paragraph::Private::latexSpecialTypewriter(char_type const c, odocstream & os,
944 pos_type & i, unsigned int & column)
948 if (i + 1 < int(text_.size()) && text_[i + 1] == '-') {
949 // "--" in Typewriter mode -> "-{}-"
956 // I assume this is hack treating typewriter as verbatim
957 // FIXME UNICODE: This can fail if c cannot be encoded
958 // in the current encoding.
963 // Those characters are not directly supported.
967 case '%': case '#': case '{':
976 // With Typewriter font, these characters exist.
983 bool Paragraph::Private::latexSpecialPhrase(odocstream & os, pos_type & i,
984 unsigned int & column)
986 // FIXME: if we have "LaTeX" with a font
987 // change in the middle (before the 'T', then
988 // the "TeX" part is still special cased.
989 // Really we should only operate this on
990 // "words" for some definition of word
992 for (size_t pnr = 0; pnr < phrases_nr; ++pnr) {
993 if (!isTextAt(special_phrases[pnr].phrase, i))
995 os << special_phrases[pnr].macro;
996 i += special_phrases[pnr].phrase.length() - 1;
997 column += special_phrases[pnr].macro.length() - 1;
1004 void Paragraph::Private::validate(LaTeXFeatures & features,
1005 Layout const & layout) const
1007 // check the params.
1008 if (!params_.spacing().isDefault())
1009 features.require("setspace");
1012 features.useLayout(layout.name());
1015 fontlist_.validate(features);
1017 // then the indentation
1018 if (!params_.leftIndent().zero())
1019 features.require("ParagraphLeftIndent");
1022 InsetList::const_iterator icit = insetlist_.begin();
1023 InsetList::const_iterator iend = insetlist_.end();
1024 for (; icit != iend; ++icit) {
1026 icit->inset->validate(features);
1027 if (layout.needprotect &&
1028 icit->inset->lyxCode() == FOOT_CODE)
1029 features.require("NeedLyXFootnoteCode");
1033 // then the contents
1034 for (pos_type i = 0; i < int(text_.size()) ; ++i) {
1035 for (size_t pnr = 0; pnr < phrases_nr; ++pnr) {
1036 if (!special_phrases[pnr].builtin
1037 && isTextAt(special_phrases[pnr].phrase, i)) {
1038 features.require(special_phrases[pnr].phrase);
1042 Encodings::validate(text_[i], features);
1046 /////////////////////////////////////////////////////////////////////
1050 /////////////////////////////////////////////////////////////////////
1052 Paragraph::Paragraph()
1053 : d(new Paragraph::Private(this))
1060 Paragraph::Paragraph(Paragraph const & par)
1061 : itemdepth(par.itemdepth),
1062 d(new Paragraph::Private(*par.d, this))
1067 Paragraph & Paragraph::operator=(Paragraph const & par)
1069 // needed as we will destroy the private part before copying it
1071 itemdepth = par.itemdepth;
1074 d = new Private(*par.d, this);
1080 Paragraph::~Paragraph()
1086 void Paragraph::write(Buffer const & buf, ostream & os,
1087 BufferParams const & bparams,
1088 depth_type & dth) const
1090 // The beginning or end of a deeper (i.e. nested) area?
1091 if (dth != params().depth()) {
1092 if (params().depth() > dth) {
1093 while (params().depth() > dth) {
1094 os << "\n\\begin_deeper";
1098 while (params().depth() < dth) {
1099 os << "\n\\end_deeper";
1105 // First write the layout
1106 os << "\n\\begin_layout " << to_utf8(layout()->name()) << '\n';
1110 Font font1(Font::ALL_INHERIT, bparams.language);
1112 Change running_change = Change(Change::UNCHANGED);
1115 for (pos_type i = 0; i <= size(); ++i) {
1117 Change change = lookupChange(i);
1118 Changes::lyxMarkChange(os, column, running_change, change);
1119 running_change = change;
1124 // Write font changes
1125 Font font2 = getFontSettings(bparams, i);
1126 if (font2 != font1) {
1127 font2.lyxWriteChanges(font1, os);
1132 char_type const c = d->text_[i];
1136 Inset const * inset = getInset(i);
1138 if (inset->directWrite()) {
1139 // international char, let it write
1140 // code directly so it's shorter in
1142 inset->write(buf, os);
1146 os << "\\begin_inset ";
1147 inset->write(buf, os);
1148 os << "\n\\end_inset\n\n";
1154 os << "\n\\backslash\n";
1158 if (i + 1 < size() && d->text_[i + 1] == ' ') {
1165 if ((column > 70 && c == ' ')
1170 // this check is to amend a bug. LyX sometimes
1171 // inserts '\0' this could cause problems.
1173 std::vector<char> tmp = ucs4_to_utf8(c);
1174 tmp.push_back('\0');
1177 lyxerr << "ERROR (Paragraph::writeFile):"
1178 " NULL char in structure." << endl;
1184 os << "\n\\end_layout\n";
1188 void Paragraph::validate(LaTeXFeatures & features) const
1190 d->validate(features, *layout());
1194 void Paragraph::insert(pos_type start, docstring const & str,
1195 Font const & font, Change const & change)
1197 for (size_t i = 0, n = str.size(); i != n ; ++i)
1198 insertChar(start + i, str[i], font, change);
1202 void Paragraph::appendChar(char_type c, Font const & font,
1203 Change const & change)
1206 d->changes_.insert(change, d->text_.size());
1207 // when appending characters, no need to update tables
1208 d->text_.push_back(c);
1209 setFont(d->text_.size() - 1, font);
1213 void Paragraph::appendString(docstring const & s, Font const & font,
1214 Change const & change)
1216 size_t end = s.size();
1217 size_t oldsize = d->text_.size();
1218 size_t newsize = oldsize + end;
1219 size_t capacity = d->text_.capacity();
1220 if (newsize >= capacity)
1221 d->text_.reserve(std::max(capacity + 100, newsize));
1223 // when appending characters, no need to update tables
1226 // FIXME: Optimize this!
1227 for (pos_type i = 0; i != end; ++i) {
1229 d->changes_.insert(change, i);
1231 d->fontlist_.setRange(oldsize, newsize, font);
1235 void Paragraph::insertChar(pos_type pos, char_type c,
1238 d->insertChar(pos, c, Change(trackChanges ?
1239 Change::INSERTED : Change::UNCHANGED));
1243 void Paragraph::insertChar(pos_type pos, char_type c,
1244 Font const & font, bool trackChanges)
1246 d->insertChar(pos, c, Change(trackChanges ?
1247 Change::INSERTED : Change::UNCHANGED));
1252 void Paragraph::insertChar(pos_type pos, char_type c,
1253 Font const & font, Change const & change)
1255 d->insertChar(pos, c, change);
1260 void Paragraph::insertInset(pos_type pos, Inset * inset,
1261 Font const & font, Change const & change)
1263 insertInset(pos, inset, change);
1264 // Set the font/language of the inset...
1269 bool Paragraph::insetAllowed(InsetCode code)
1271 return !d->inset_owner_ || d->inset_owner_->insetAllowed(code);
1275 // Gets uninstantiated font setting at position.
1276 Font const Paragraph::getFontSettings(BufferParams const & bparams,
1280 lyxerr << " pos: " << pos << " size: " << size() << endl;
1281 BOOST_ASSERT(pos <= size());
1284 FontList::const_iterator cit = d->fontlist_.fontIterator(pos);
1285 if (cit != d->fontlist_.end())
1288 if (pos == size() && !empty())
1289 return getFontSettings(bparams, pos - 1);
1291 return Font(Font::ALL_INHERIT, getParLanguage(bparams));
1295 FontSpan Paragraph::fontSpan(pos_type pos) const
1297 BOOST_ASSERT(pos <= size());
1300 FontList::const_iterator cit = d->fontlist_.begin();
1301 FontList::const_iterator end = d->fontlist_.end();
1302 for (; cit != end; ++cit) {
1303 if (cit->pos() >= pos) {
1304 if (pos >= beginOfBody())
1305 return FontSpan(std::max(start, beginOfBody()),
1308 return FontSpan(start,
1309 std::min(beginOfBody() - 1,
1312 start = cit->pos() + 1;
1315 // This should not happen, but if so, we take no chances.
1316 //lyxerr << "Paragraph::getEndPosOfFontSpan: This should not happen!"
1318 return FontSpan(pos, pos);
1322 // Gets uninstantiated font setting at position 0
1323 Font const Paragraph::getFirstFontSettings(BufferParams const & bparams) const
1325 if (!empty() && !d->fontlist_.empty())
1326 return d->fontlist_.begin()->font();
1328 return Font(Font::ALL_INHERIT, bparams.language);
1332 // Gets the fully instantiated font at a given position in a paragraph
1333 // This is basically the same function as Text::GetFont() in text2.cpp.
1334 // The difference is that this one is used for generating the LaTeX file,
1335 // and thus cosmetic "improvements" are disallowed: This has to deliver
1336 // the true picture of the buffer. (Asger)
1337 Font const Paragraph::getFont(BufferParams const & bparams, pos_type pos,
1338 Font const & outerfont) const
1340 BOOST_ASSERT(pos >= 0);
1342 Font font = getFontSettings(bparams, pos);
1344 pos_type const body_pos = beginOfBody();
1346 font.realize(d->layout_->labelfont);
1348 font.realize(d->layout_->font);
1350 font.realize(outerfont);
1351 font.realize(bparams.getFont());
1357 Font const Paragraph::getLabelFont
1358 (BufferParams const & bparams, Font const & outerfont) const
1360 Font tmpfont = layout()->labelfont;
1361 tmpfont.setLanguage(getParLanguage(bparams));
1362 tmpfont.realize(outerfont);
1363 tmpfont.realize(bparams.getFont());
1368 Font const Paragraph::getLayoutFont
1369 (BufferParams const & bparams, Font const & outerfont) const
1371 Font tmpfont = layout()->font;
1372 tmpfont.setLanguage(getParLanguage(bparams));
1373 tmpfont.realize(outerfont);
1374 tmpfont.realize(bparams.getFont());
1379 /// Returns the height of the highest font in range
1380 Font_size Paragraph::highestFontInRange
1381 (pos_type startpos, pos_type endpos, Font_size def_size) const
1383 return d->fontlist_.highestInRange(startpos, endpos, def_size);
1388 Paragraph::getUChar(BufferParams const & bparams, pos_type pos) const
1390 char_type c = d->text_[pos];
1391 if (!lyxrc.rtl_support)
1421 if (uc != c && getFontSettings(bparams, pos).isRightToLeft())
1428 void Paragraph::setFont(pos_type pos, Font const & font)
1430 BOOST_ASSERT(pos <= size());
1432 // First, reduce font against layout/label font
1433 // Update: The setCharFont() routine in text2.cpp already
1434 // reduces font, so we don't need to do that here. (Asger)
1436 d->fontlist_.set(pos, font);
1440 void Paragraph::makeSameLayout(Paragraph const & par)
1442 layout(par.layout());
1444 d->params_ = par.params();
1448 bool Paragraph::stripLeadingSpaces(bool trackChanges)
1450 if (isFreeSpacing())
1456 while (pos < size() && (isNewline(pos) || isLineSeparator(pos))) {
1457 if (eraseChar(pos, trackChanges))
1463 return count > 0 || pos > 0;
1467 bool Paragraph::hasSameLayout(Paragraph const & par) const
1469 return par.layout() == layout() && d->params_.sameLayout(par.params());
1473 depth_type Paragraph::getDepth() const
1475 return params().depth();
1479 depth_type Paragraph::getMaxDepthAfter() const
1481 if (layout()->isEnvironment())
1482 return params().depth() + 1;
1484 return params().depth();
1488 char Paragraph::getAlign() const
1490 if (params().align() == LYX_ALIGN_LAYOUT)
1491 return layout()->align;
1493 return params().align();
1497 docstring const & Paragraph::getLabelstring() const
1499 return params().labelString();
1503 // the next two functions are for the manual labels
1504 docstring const Paragraph::getLabelWidthString() const
1506 if (layout()->margintype == MARGIN_MANUAL)
1507 return params().labelWidthString();
1509 return _("Senseless with this layout!");
1513 void Paragraph::setLabelWidthString(docstring const & s)
1515 params().labelWidthString(s);
1519 docstring const Paragraph::translateIfPossible(docstring const & s,
1520 BufferParams const & bparams) const
1522 if (!support::isAscii(s) || s.empty()) {
1523 // This must be a user defined layout. We cannot translate
1524 // this, since gettext accepts only ascii keys.
1527 // Probably standard layout, try to translate
1528 Messages & m = getMessages(getParLanguage(bparams)->code());
1529 return m.get(to_ascii(s));
1533 docstring Paragraph::expandLabel(LayoutPtr const & layout,
1534 BufferParams const & bparams, bool process_appendix) const
1536 TextClass const & tclass = bparams.getTextClass();
1539 if (process_appendix && params().appendix())
1540 fmt = translateIfPossible(layout->labelstring_appendix(),
1543 fmt = translateIfPossible(layout->labelstring(), bparams);
1545 if (fmt.empty() && layout->labeltype == LABEL_COUNTER
1546 && !layout->counter.empty())
1547 fmt = "\\the" + layout->counter;
1549 // handle 'inherited level parts' in 'fmt',
1550 // i.e. the stuff between '@' in '@Section@.\arabic{subsection}'
1551 size_t const i = fmt.find('@', 0);
1552 if (i != docstring::npos) {
1553 size_t const j = fmt.find('@', i + 1);
1554 if (j != docstring::npos) {
1555 docstring parent(fmt, i + 1, j - i - 1);
1556 docstring label = from_ascii("??");
1557 if (tclass.hasLayout(parent))
1558 docstring label = expandLabel(tclass[parent], bparams,
1560 fmt = docstring(fmt, 0, i) + label
1561 + docstring(fmt, j + 1, docstring::npos);
1565 return tclass.counters().counterLabel(fmt);
1569 void Paragraph::applyLayout(LayoutPtr const & new_layout)
1572 LyXAlignment const oldAlign = params().align();
1574 if (!(oldAlign & layout()->alignpossible)) {
1575 frontend::Alert::warning(_("Alignment not permitted"),
1576 _("The new layout does not permit the alignment previously used.\nSetting to default."));
1577 params().align(LYX_ALIGN_LAYOUT);
1582 pos_type Paragraph::beginOfBody() const
1584 return d->begin_of_body_;
1588 void Paragraph::setBeginOfBody()
1590 if (layout()->labeltype != LABEL_MANUAL) {
1591 d->begin_of_body_ = 0;
1595 // Unroll the first two cycles of the loop
1596 // and remember the previous character to
1597 // remove unnecessary getChar() calls
1599 pos_type end = size();
1600 if (i < end && !isNewline(i)) {
1602 char_type previous_char = 0;
1605 previous_char = d->text_[i];
1606 if (!isNewline(i)) {
1608 while (i < end && previous_char != ' ') {
1613 previous_char = temp;
1619 d->begin_of_body_ = i;
1623 InsetBibitem * Paragraph::bibitem() const
1625 if (!d->insetlist_.empty()) {
1626 Inset * inset = d->insetlist_.begin()->inset;
1627 if (inset->lyxCode() == BIBITEM_CODE)
1628 return static_cast<InsetBibitem *>(inset);
1634 bool Paragraph::forceDefaultParagraphs() const
1636 return inInset() && inInset()->forceDefaultParagraphs(0);
1642 // paragraphs inside floats need different alignment tags to avoid
1645 bool noTrivlistCentering(InsetCode code)
1647 return code == FLOAT_CODE || code == WRAP_CODE;
1651 string correction(string const & orig)
1653 if (orig == "flushleft")
1654 return "raggedright";
1655 if (orig == "flushright")
1656 return "raggedleft";
1657 if (orig == "center")
1663 string const corrected_env(string const & suffix, string const & env,
1666 string output = suffix + "{";
1667 if (noTrivlistCentering(code))
1668 output += correction(env);
1672 if (suffix == "\\begin")
1678 void adjust_row_column(string const & str, TexRow & texrow, int & column)
1680 if (!contains(str, "\n"))
1681 column += str.size();
1685 column = rsplit(str, tmp, '\n').size();
1692 int Paragraph::Private::startTeXParParams(BufferParams const & bparams,
1693 odocstream & os, TexRow & texrow,
1694 bool moving_arg) const
1698 if (params_.noindent()) {
1699 os << "\\noindent ";
1703 LyXAlignment const curAlign = params_.align();
1705 if (curAlign == layout_->align)
1709 case LYX_ALIGN_NONE:
1710 case LYX_ALIGN_BLOCK:
1711 case LYX_ALIGN_LAYOUT:
1712 case LYX_ALIGN_SPECIAL:
1714 case LYX_ALIGN_LEFT:
1715 case LYX_ALIGN_RIGHT:
1716 case LYX_ALIGN_CENTER:
1725 case LYX_ALIGN_NONE:
1726 case LYX_ALIGN_BLOCK:
1727 case LYX_ALIGN_LAYOUT:
1728 case LYX_ALIGN_SPECIAL:
1730 case LYX_ALIGN_LEFT: {
1732 if (owner_->getParLanguage(bparams)->babel() != "hebrew")
1733 output = corrected_env("\\begin", "flushleft", owner_->ownerCode());
1735 output = corrected_env("\\begin", "flushright", owner_->ownerCode());
1736 os << from_ascii(output);
1737 adjust_row_column(output, texrow, column);
1739 } case LYX_ALIGN_RIGHT: {
1741 if (owner_->getParLanguage(bparams)->babel() != "hebrew")
1742 output = corrected_env("\\begin", "flushright", owner_->ownerCode());
1744 output = corrected_env("\\begin", "flushleft", owner_->ownerCode());
1745 os << from_ascii(output);
1746 adjust_row_column(output, texrow, column);
1748 } case LYX_ALIGN_CENTER: {
1750 output = corrected_env("\\begin", "center", owner_->ownerCode());
1751 os << from_ascii(output);
1752 adjust_row_column(output, texrow, column);
1761 int Paragraph::Private::endTeXParParams(BufferParams const & bparams,
1762 odocstream & os, TexRow & texrow,
1763 bool moving_arg) const
1767 switch (params_.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:
1783 switch (params_.align()) {
1784 case LYX_ALIGN_NONE:
1785 case LYX_ALIGN_BLOCK:
1786 case LYX_ALIGN_LAYOUT:
1787 case LYX_ALIGN_SPECIAL:
1789 case LYX_ALIGN_LEFT: {
1791 if (owner_->getParLanguage(bparams)->babel() != "hebrew")
1792 output = corrected_env("\n\\par\\end", "flushleft", owner_->ownerCode());
1794 output = corrected_env("\n\\par\\end", "flushright", owner_->ownerCode());
1795 os << from_ascii(output);
1796 adjust_row_column(output, texrow, column);
1798 } case LYX_ALIGN_RIGHT: {
1800 if (owner_->getParLanguage(bparams)->babel() != "hebrew")
1801 output = corrected_env("\n\\par\\end", "flushright", owner_->ownerCode());
1803 output = corrected_env("\n\\par\\end", "flushleft", owner_->ownerCode());
1804 os << from_ascii(output);
1805 adjust_row_column(output, texrow, column);
1807 } case LYX_ALIGN_CENTER: {
1809 output = corrected_env("\n\\par\\end", "center", owner_->ownerCode());
1810 os << from_ascii(output);
1811 adjust_row_column(output, texrow, column);
1820 // This one spits out the text of the paragraph
1821 bool Paragraph::latex(Buffer const & buf,
1822 BufferParams const & bparams,
1823 Font const & outerfont,
1824 odocstream & os, TexRow & texrow,
1825 OutputParams const & runparams) const
1827 LYXERR(Debug::LATEX) << "SimpleTeXOnePar... " << this << endl;
1829 bool return_value = false;
1833 // well we have to check if we are in an inset with unlimited
1834 // length (all in one row) if that is true then we don't allow
1835 // any special options in the paragraph and also we don't allow
1836 // any environment other than the default layout of the text class
1838 bool asdefault = forceDefaultParagraphs();
1841 style = bparams.getTextClass().defaultLayout();
1846 // Current base font for all inherited font changes, without any
1847 // change caused by an individual character, except for the language:
1848 // It is set to the language of the first character.
1849 // As long as we are in the label, this font is the base font of the
1850 // label. Before the first body character it is set to the base font
1854 // Maybe we have to create a optional argument.
1855 pos_type body_pos = beginOfBody();
1856 unsigned int column = 0;
1859 // the optional argument is kept in curly brackets in
1860 // case it contains a ']'
1863 basefont = getLabelFont(bparams, outerfont);
1865 basefont = getLayoutFont(bparams, outerfont);
1868 // Which font is currently active?
1869 Font running_font(basefont);
1870 // Do we have an open font change?
1871 bool open_font = false;
1873 Change runningChange = Change(Change::UNCHANGED);
1875 texrow.start(id(), 0);
1877 // if the paragraph is empty, the loop will not be entered at all
1879 if (style->isCommand()) {
1884 column += d->startTeXParParams(bparams, os, texrow,
1885 runparams.moving_arg);
1888 for (pos_type i = 0; i < size(); ++i) {
1889 // First char in paragraph or after label?
1890 if (i == body_pos) {
1893 column += running_font.latexWriteEndChanges(
1894 os, bparams, runparams,
1895 basefont, basefont);
1898 basefont = getLayoutFont(bparams, outerfont);
1899 running_font = basefont;
1901 column += Changes::latexMarkChange(os, bparams,
1902 runningChange, Change(Change::UNCHANGED));
1903 runningChange = Change(Change::UNCHANGED);
1908 if (style->isCommand()) {
1914 column += d->startTeXParParams(bparams, os,
1916 runparams.moving_arg);
1919 Change const & change = runparams.inDeletedInset ? runparams.changeOfDeletedInset
1922 if (bparams.outputChanges && runningChange != change) {
1924 column += running_font.latexWriteEndChanges(
1925 os, bparams, runparams, basefont, basefont);
1928 basefont = getLayoutFont(bparams, outerfont);
1929 running_font = basefont;
1931 column += Changes::latexMarkChange(os, bparams, runningChange, change);
1932 runningChange = change;
1935 // do not output text which is marked deleted
1936 // if change tracking output is disabled
1937 if (!bparams.outputChanges && change.type == Change::DELETED) {
1943 // Fully instantiated font
1944 Font const font = getFont(bparams, i, outerfont);
1946 Font const last_font = running_font;
1948 // Do we need to close the previous font?
1950 (font != running_font ||
1951 font.language() != running_font.language()))
1953 column += running_font.latexWriteEndChanges(
1954 os, bparams, runparams, basefont,
1955 (i == body_pos-1) ? basefont : font);
1956 running_font = basefont;
1960 // Switch file encoding if necessary (and allowed)
1961 if (!runparams.verbatim &&
1962 runparams.encoding->package() == Encoding::inputenc &&
1963 font.language()->encoding()->package() == Encoding::inputenc) {
1964 std::pair<bool, int> const enc_switch = switchEncoding(os, bparams,
1965 runparams.moving_arg, *(runparams.encoding),
1966 *(font.language()->encoding()));
1967 if (enc_switch.first) {
1968 column += enc_switch.second;
1969 runparams.encoding = font.language()->encoding();
1973 char_type const c = d->text_[i];
1975 // Do we need to change font?
1976 if ((font != running_font ||
1977 font.language() != running_font.language()) &&
1980 odocstringstream ods;
1981 column += font.latexWriteStartChanges(ods, bparams,
1982 runparams, basefont,
1984 running_font = font;
1986 docstring fontchange = ods.str();
1987 // check if the fontchange ends with a trailing blank
1988 // (like "\small " (see bug 3382)
1989 if (suffixIs(fontchange, ' ') && c == ' ')
1990 os << fontchange.substr(0, fontchange.size() - 1)
1991 << from_ascii("{}");
1997 // FIXME: integrate this case in latexSpecialChar
1998 // Do not print the separation of the optional argument
1999 // if style->pass_thru is false. This works because
2000 // latexSpecialChar ignores spaces if
2001 // style->pass_thru is false.
2002 if (i != body_pos - 1) {
2003 if (d->simpleTeXBlanks(
2004 *(runparams.encoding), os, texrow,
2005 i, column, font, *style)) {
2006 // A surrogate pair was output. We
2007 // must not call latexSpecialChar
2008 // in this iteration, since it would output
2009 // the combining character again.
2016 OutputParams rp = runparams;
2017 rp.free_spacing = style->free_spacing;
2018 rp.local_font = &font;
2019 rp.intitle = style->intitle;
2021 // Two major modes: LaTeX or plain
2022 // Handle here those cases common to both modes
2023 // and then split to handle the two modes separately.
2024 if (c == META_INSET)
2025 d->latexInset(buf, bparams, os,
2026 texrow, rp, running_font,
2027 basefont, outerfont, open_font,
2028 runningChange, *style, i, column);
2030 d->latexSpecialChar(os, rp, running_font, runningChange,
2033 // Set the encoding to that returned from simpleTeXSpecialChars (see
2034 // comment for encoding member in OutputParams.h)
2035 runparams.encoding = rp.encoding;
2038 // If we have an open font definition, we have to close it
2040 #ifdef FIXED_LANGUAGE_END_DETECTION
2043 .latexWriteEndChanges(os, bparams, runparams,
2045 next_->getFont(bparams, 0, outerfont));
2047 running_font.latexWriteEndChanges(os, bparams,
2048 runparams, basefont, basefont);
2051 //FIXME: For now we ALWAYS have to close the foreign font settings if they are
2052 //FIXME: there as we start another \selectlanguage with the next paragraph if
2053 //FIXME: we are in need of this. This should be fixed sometime (Jug)
2054 running_font.latexWriteEndChanges(os, bparams, runparams,
2055 basefont, basefont);
2059 column += Changes::latexMarkChange(os, bparams, runningChange, Change(Change::UNCHANGED));
2061 // Needed if there is an optional argument but no contents.
2062 if (body_pos > 0 && body_pos == size()) {
2064 return_value = false;
2068 column += d->endTeXParParams(bparams, os, texrow,
2069 runparams.moving_arg);
2072 LYXERR(Debug::LATEX) << "SimpleTeXOnePar...done " << this << endl;
2073 return return_value;
2090 string tag_name(PAR_TAG const & pt) {
2092 case PAR_NONE: return "!-- --";
2093 case TT: return "tt";
2094 case SF: return "sf";
2095 case BF: return "bf";
2096 case IT: return "it";
2097 case SL: return "sl";
2098 case EM: return "em";
2105 void operator|=(PAR_TAG & p1, PAR_TAG const & p2)
2107 p1 = static_cast<PAR_TAG>(p1 | p2);
2112 void reset(PAR_TAG & p1, PAR_TAG const & p2)
2114 p1 = static_cast<PAR_TAG>(p1 & ~p2);
2120 bool Paragraph::emptyTag() const
2122 for (pos_type i = 0; i < size(); ++i) {
2124 Inset const * inset = getInset(i);
2125 InsetCode lyx_code = inset->lyxCode();
2126 if (lyx_code != TOC_CODE &&
2127 lyx_code != INCLUDE_CODE &&
2128 lyx_code != GRAPHICS_CODE &&
2129 lyx_code != ERT_CODE &&
2130 lyx_code != LISTINGS_CODE &&
2131 lyx_code != FLOAT_CODE &&
2132 lyx_code != TABULAR_CODE) {
2136 char_type c = d->text_[i];
2137 if (c != ' ' && c != '\t')
2145 string Paragraph::getID(Buffer const & buf, OutputParams const & runparams) const
2147 for (pos_type i = 0; i < size(); ++i) {
2149 Inset const * inset = getInset(i);
2150 InsetCode lyx_code = inset->lyxCode();
2151 if (lyx_code == LABEL_CODE) {
2152 InsetLabel const * const il = static_cast<InsetLabel const *>(inset);
2153 docstring const & id = il->getParam("name");
2154 return "id='" + to_utf8(sgml::cleanID(buf, runparams, id)) + "'";
2163 pos_type Paragraph::getFirstWord(Buffer const & buf, odocstream & os, OutputParams const & runparams) const
2166 for (i = 0; i < size(); ++i) {
2168 Inset const * inset = getInset(i);
2169 inset->docbook(buf, os, runparams);
2171 char_type c = d->text_[i];
2174 os << sgml::escapeChar(c);
2181 bool Paragraph::onlyText(Buffer const & buf, Font const & outerfont, pos_type initial) const
2185 for (pos_type i = initial; i < size(); ++i) {
2186 Font font = getFont(buf.params(), i, outerfont);
2189 if (i != initial && font != font_old)
2198 void Paragraph::simpleDocBookOnePar(Buffer const & buf,
2200 OutputParams const & runparams,
2201 Font const & outerfont,
2202 pos_type initial) const
2204 bool emph_flag = false;
2206 LayoutPtr const & style = layout();
2208 style->labeltype == LABEL_MANUAL ? style->labelfont : style->font;
2210 if (style->pass_thru && !onlyText(buf, outerfont, initial))
2213 // parsing main loop
2214 for (pos_type i = initial; i < size(); ++i) {
2215 Font font = getFont(buf.params(), i, outerfont);
2217 // handle <emphasis> tag
2218 if (font_old.emph() != font.emph()) {
2219 if (font.emph() == Font::ON) {
2222 } else if (i != initial) {
2223 os << "</emphasis>";
2229 Inset const * inset = getInset(i);
2230 inset->docbook(buf, os, runparams);
2232 char_type c = d->text_[i];
2234 if (style->pass_thru)
2237 os << sgml::escapeChar(c);
2243 os << "</emphasis>";
2246 if (style->free_spacing)
2248 if (style->pass_thru && !onlyText(buf, outerfont, initial))
2253 bool Paragraph::isHfill(pos_type pos) const
2256 && getInset(pos)->lyxCode() == HFILL_CODE;
2260 bool Paragraph::isNewline(pos_type pos) const
2263 && getInset(pos)->lyxCode() == NEWLINE_CODE;
2267 bool Paragraph::isLineSeparator(pos_type pos) const
2269 char_type const c = d->text_[pos];
2270 return isLineSeparatorChar(c)
2271 || (c == META_INSET && getInset(pos) &&
2272 getInset(pos)->isLineSeparator());
2276 /// Used by the spellchecker
2277 bool Paragraph::isLetter(pos_type pos) const
2280 return getInset(pos)->isLetter();
2282 char_type const c = d->text_[pos];
2283 return isLetterChar(c) || isDigit(c);
2289 Paragraph::getParLanguage(BufferParams const & bparams) const
2292 return getFirstFontSettings(bparams).language();
2293 // FIXME: we should check the prev par as well (Lgb)
2294 return bparams.language;
2298 bool Paragraph::isRTL(BufferParams const & bparams) const
2300 return lyxrc.rtl_support
2301 && getParLanguage(bparams)->rightToLeft()
2302 && ownerCode() != ERT_CODE
2303 && ownerCode() != LISTINGS_CODE;
2307 void Paragraph::changeLanguage(BufferParams const & bparams,
2308 Language const * from, Language const * to)
2310 // change language including dummy font change at the end
2311 for (pos_type i = 0; i <= size(); ++i) {
2312 Font font = getFontSettings(bparams, i);
2313 if (font.language() == from) {
2314 font.setLanguage(to);
2321 bool Paragraph::isMultiLingual(BufferParams const & bparams) const
2323 Language const * doc_language = bparams.language;
2324 FontList::const_iterator cit = d->fontlist_.begin();
2325 FontList::const_iterator end = d->fontlist_.end();
2327 for (; cit != end; ++cit)
2328 if (cit->font().language() != ignore_language &&
2329 cit->font().language() != latex_language &&
2330 cit->font().language() != doc_language)
2336 // Convert the paragraph to a string.
2337 // Used for building the table of contents
2338 docstring const Paragraph::asString(Buffer const & buffer, bool label) const
2340 return asString(buffer, 0, size(), label);
2344 docstring const Paragraph::asString(Buffer const & buffer,
2345 pos_type beg, pos_type end, bool label) const
2348 odocstringstream os;
2350 if (beg == 0 && label && !params().labelString().empty())
2351 os << params().labelString() << ' ';
2353 for (pos_type i = beg; i < end; ++i) {
2354 char_type const c = d->text_[i];
2357 else if (c == META_INSET)
2358 getInset(i)->textString(buffer, os);
2365 void Paragraph::setInsetOwner(Inset * inset)
2367 d->inset_owner_ = inset;
2371 int Paragraph::id() const
2377 LayoutPtr const & Paragraph::layout() const
2383 void Paragraph::layout(LayoutPtr const & new_layout)
2385 d->layout_ = new_layout;
2389 Inset * Paragraph::inInset() const
2391 return d->inset_owner_;
2395 InsetCode Paragraph::ownerCode() const
2397 return d->inset_owner_ ?
2398 d->inset_owner_->lyxCode() : NO_CODE;
2402 ParagraphParameters & Paragraph::params()
2408 ParagraphParameters const & Paragraph::params() const
2414 bool Paragraph::isFreeSpacing() const
2416 if (layout()->free_spacing)
2419 // for now we just need this, later should we need this in some
2420 // other way we can always add a function to Inset too.
2421 return ownerCode() == ERT_CODE || ownerCode() == LISTINGS_CODE;
2425 bool Paragraph::allowEmpty() const
2427 if (layout()->keepempty)
2429 return ownerCode() == ERT_CODE || ownerCode() == LISTINGS_CODE;
2433 char_type Paragraph::transformChar(char_type c, pos_type pos) const
2435 if (!Encodings::is_arabic(c))
2438 char_type prev_char = ' ';
2439 char_type next_char = ' ';
2441 for (pos_type i = pos - 1; i >= 0; --i) {
2442 char_type const par_char = d->text_[i];
2443 if (!Encodings::isComposeChar_arabic(par_char)) {
2444 prev_char = par_char;
2449 for (pos_type i = pos + 1, end = size(); i < end; ++i) {
2450 char_type const par_char = d->text_[i];
2451 if (!Encodings::isComposeChar_arabic(par_char)) {
2452 next_char = par_char;
2457 if (Encodings::is_arabic(next_char)) {
2458 if (Encodings::is_arabic(prev_char) &&
2459 !Encodings::is_arabic_special(prev_char))
2460 return Encodings::transformChar(c, Encodings::FORM_MEDIAL);
2462 return Encodings::transformChar(c, Encodings::FORM_INITIAL);
2464 if (Encodings::is_arabic(prev_char) &&
2465 !Encodings::is_arabic_special(prev_char))
2466 return Encodings::transformChar(c, Encodings::FORM_FINAL);
2468 return Encodings::transformChar(c, Encodings::FORM_ISOLATED);
2473 int Paragraph::checkBiblio(bool track_changes)
2476 //This is getting more and more a mess. ...We really should clean
2477 //up this bibitem issue for 1.6. See also bug 2743.
2479 // Add bibitem insets if necessary
2480 if (layout()->labeltype != LABEL_BIBLIO)
2483 bool hasbibitem = !d->insetlist_.empty()
2484 // Insist on it being in pos 0
2485 && d->text_[0] == META_INSET
2486 && d->insetlist_.begin()->inset->lyxCode() == BIBITEM_CODE;
2491 // remove a bibitem in pos != 0
2492 // restore it later in pos 0 if necessary
2493 // (e.g. if a user inserts contents _before_ the item)
2494 // we're assuming there's only one of these, which there
2496 int erasedInsetPosition = -1;
2497 InsetList::iterator it = d->insetlist_.begin();
2498 InsetList::iterator end = d->insetlist_.end();
2499 for (; it != end; ++it)
2500 if (it->inset->lyxCode() == BIBITEM_CODE
2502 InsetBibitem * olditem = static_cast<InsetBibitem *>(it->inset);
2503 oldkey = olditem->getParam("key");
2504 oldlabel = olditem->getParam("label");
2505 erasedInsetPosition = it->pos;
2506 eraseChar(erasedInsetPosition, track_changes);
2510 //There was an InsetBibitem at the beginning, and we didn't
2511 //have to erase one.
2512 if (hasbibitem && erasedInsetPosition < 0)
2515 //There was an InsetBibitem at the beginning and we did have to
2516 //erase one. So we give its properties to the beginning inset.
2518 InsetBibitem * inset =
2519 static_cast<InsetBibitem *>(d->insetlist_.begin()->inset);
2520 if (!oldkey.empty())
2521 inset->setParam("key", oldkey);
2522 inset->setParam("label", oldlabel);
2523 return -erasedInsetPosition;
2526 //There was no inset at the beginning, so we need to create one with
2527 //the key and label of the one we erased.
2528 InsetBibitem * inset(new InsetBibitem(InsetCommandParams(BIBITEM_CODE)));
2529 // restore values of previously deleted item in this par.
2530 if (!oldkey.empty())
2531 inset->setParam("key", oldkey);
2532 inset->setParam("label", oldlabel);
2533 insertInset(0, static_cast<Inset *>(inset),
2534 Change(track_changes ? Change::INSERTED : Change::UNCHANGED));
2540 void Paragraph::checkAuthors(AuthorList const & authorList)
2542 d->changes_.checkAuthors(authorList);
2546 bool Paragraph::isUnchanged(pos_type pos) const
2548 return lookupChange(pos).type == Change::UNCHANGED;
2552 bool Paragraph::isInserted(pos_type pos) const
2554 return lookupChange(pos).type == Change::INSERTED;
2558 bool Paragraph::isDeleted(pos_type pos) const
2560 return lookupChange(pos).type == Change::DELETED;
2564 InsetList const & Paragraph::insetList() const
2566 return d->insetlist_;
2570 Inset * Paragraph::releaseInset(pos_type pos)
2572 Inset * inset = d->insetlist_.release(pos);
2573 /// does not honour change tracking!
2574 eraseChar(pos, false);
2579 Inset * Paragraph::getInset(pos_type pos)
2581 return d->insetlist_.get(pos);
2585 Inset const * Paragraph::getInset(pos_type pos) const
2587 return d->insetlist_.get(pos);
2591 int Paragraph::numberOfOptArgs() const
2594 InsetList::const_iterator it = insetList().begin();
2595 InsetList::const_iterator end = insetList().end();
2596 for (; it != end ; ++it) {
2597 if (it->inset->lyxCode() == OPTARG_CODE)
2604 void Paragraph::changeCase(BufferParams const & bparams, pos_type pos,
2605 pos_type right, TextCase action)
2607 // process sequences of modified characters; in change
2608 // tracking mode, this approach results in much better
2609 // usability than changing case on a char-by-char basis
2612 bool const trackChanges = bparams.trackChanges;
2614 bool capitalize = true;
2616 for (; pos < right; ++pos) {
2617 char_type oldChar = d->text_[pos];
2618 char_type newChar = oldChar;
2620 // ignore insets and don't play with deleted text!
2621 if (isInset(pos) && !isDeleted(pos)) {
2623 case text_lowercase:
2624 newChar = lowercase(oldChar);
2626 case text_capitalization:
2628 newChar = uppercase(oldChar);
2632 case text_uppercase:
2633 newChar = uppercase(oldChar);
2638 if (!isLetter(pos) || isDeleted(pos)) {
2639 // permit capitalization again
2643 if (oldChar != newChar)
2646 if (oldChar == newChar || pos == right - 1) {
2647 if (oldChar != newChar) {
2648 // step behind the changing area
2651 int erasePos = pos - changes.size();
2652 for (size_t i = 0; i < changes.size(); i++) {
2653 insertChar(pos, changes[i],
2654 getFontSettings(bparams,
2657 if (!eraseChar(erasePos, trackChanges)) {
2660 ++right; // expand selection
2669 bool Paragraph::find(docstring const & str, bool cs, bool mw,
2670 pos_type pos, bool del) const
2672 int const strsize = str.length();
2674 pos_type const parsize = d->text_.size();
2675 for (i = 0; pos + i < parsize; ++i) {
2678 if (cs && str[i] != d->text_[pos + i])
2680 if (!cs && uppercase(str[i]) != uppercase(d->text_[pos + i]))
2682 if (!del && isDeleted(pos + i))
2689 // if necessary, check whether string matches word
2691 if (pos > 0 && isLetter(pos - 1))
2693 if (pos + strsize < parsize
2694 && isLetter(pos + strsize))
2702 char_type Paragraph::getChar(pos_type pos) const
2704 return d->text_[pos];
2708 pos_type Paragraph::size() const
2710 return d->text_.size();
2714 bool Paragraph::empty() const
2716 return d->text_.empty();
2720 bool Paragraph::isInset(pos_type pos) const
2722 return d->text_[pos] == META_INSET;
2726 bool Paragraph::isSeparator(pos_type pos) const
2728 //FIXME: Are we sure this can be the only separator?
2729 return d->text_[pos] == ' ';