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"
21 #include "paragraph_pimpl.h"
24 #include "bufferparams.h"
30 #include "LaTeXFeatures.h"
35 #include "outputparams.h"
36 #include "paragraph_funcs.h"
38 #include "rowpainter.h"
44 #include "frontends/FontMetrics.h"
46 #include "insets/insetbibitem.h"
47 #include "insets/insetoptarg.h"
49 #include "support/lstrings.h"
50 #include "support/textutils.h"
51 #include "support/convert.h"
52 #include "support/unicode.h"
54 #include <boost/bind.hpp>
67 using std::ostringstream;
71 using support::contains;
72 using support::rsplit;
75 Paragraph::Paragraph()
76 : begin_of_body_(0), pimpl_(new Paragraph::Pimpl(this))
83 Paragraph::Paragraph(Paragraph const & par)
84 : itemdepth(par.itemdepth), insetlist(par.insetlist),
86 text_(par.text_), begin_of_body_(par.begin_of_body_),
87 pimpl_(new Paragraph::Pimpl(*par.pimpl_, this))
89 //lyxerr << "Paragraph::Paragraph(Paragraph const&)" << endl;
90 InsetList::iterator it = insetlist.begin();
91 InsetList::iterator end = insetlist.end();
92 for (; it != end; ++it)
93 it->inset = it->inset->clone().release();
97 Paragraph & Paragraph::operator=(Paragraph const & par)
99 // needed as we will destroy the pimpl_ before copying it
101 itemdepth = par.itemdepth;
103 insetlist = par.insetlist;
104 InsetList::iterator it = insetlist.begin();
105 InsetList::iterator end = insetlist.end();
106 for (; it != end; ++it)
107 it->inset = it->inset->clone().release();
109 layout_ = par.layout();
111 begin_of_body_ = par.begin_of_body_;
114 pimpl_ = new Pimpl(*par.pimpl_, this);
120 Paragraph::~Paragraph()
124 //lyxerr << "Paragraph::paragraph_id = "
125 // << Paragraph::paragraph_id << endl;
129 void Paragraph::write(Buffer const & buf, ostream & os,
130 BufferParams const & bparams,
131 depth_type & dth) const
133 // The beginning or end of a deeper (i.e. nested) area?
134 if (dth != params().depth()) {
135 if (params().depth() > dth) {
136 while (params().depth() > dth) {
137 os << "\n\\begin_deeper";
141 while (params().depth() < dth) {
142 os << "\n\\end_deeper";
148 // First write the layout
149 os << "\n\\begin_layout " << layout()->name() << '\n';
153 LyXFont font1(LyXFont::ALL_INHERIT, bparams.language);
155 Change running_change = Change(Change::UNCHANGED);
158 for (pos_type i = 0; i <= size(); ++i) {
160 Change change = pimpl_->lookupChange(i);
161 Changes::lyxMarkChange(os, column, running_change, change);
162 running_change = change;
167 // Write font changes
168 LyXFont font2 = getFontSettings(bparams, i);
169 if (font2 != font1) {
170 font2.lyxWriteChanges(font1, os);
175 value_type const c = getChar(i);
179 InsetBase const * inset = getInset(i);
181 if (inset->directWrite()) {
182 // international char, let it write
183 // code directly so it's shorter in
185 inset->write(buf, os);
189 os << "\\begin_inset ";
190 inset->write(buf, os);
191 os << "\n\\end_inset\n\n";
197 os << "\n\\backslash\n";
201 if (i + 1 < size() && getChar(i + 1) == ' ') {
208 if ((column > 70 && c == ' ')
213 // this check is to amend a bug. LyX sometimes
214 // inserts '\0' this could cause problems.
216 std::vector<char> tmp = ucs4_to_utf8(c);
220 lyxerr << "ERROR (Paragraph::writeFile):"
221 " NULL char in structure." << endl;
227 os << "\n\\end_layout\n";
231 void Paragraph::validate(LaTeXFeatures & features) const
233 pimpl_->validate(features, *layout());
237 bool Paragraph::eraseChar(pos_type pos, bool trackChanges)
239 return pimpl_->eraseChar(pos, trackChanges);
243 int Paragraph::eraseChars(pos_type start, pos_type end, bool trackChanges)
245 return pimpl_->eraseChars(start, end, trackChanges);
249 void Paragraph::insert(pos_type start, docstring const & str,
250 LyXFont const & font, Change const & change)
252 for (size_t i = 0, n = str.size(); i != n ; ++i)
253 insertChar(start + i, str[i], font, change);
257 void Paragraph::insertChar(pos_type pos, Paragraph::value_type c,
260 pimpl_->insertChar(pos, c, Change(trackChanges ?
261 Change::INSERTED : Change::UNCHANGED));
265 void Paragraph::insertChar(pos_type pos, Paragraph::value_type c,
266 LyXFont const & font, bool trackChanges)
268 pimpl_->insertChar(pos, c, Change(trackChanges ?
269 Change::INSERTED : Change::UNCHANGED));
274 void Paragraph::insertChar(pos_type pos, Paragraph::value_type c,
275 LyXFont const & font, Change const & change)
277 pimpl_->insertChar(pos, c, change);
282 void Paragraph::insertInset(pos_type pos, InsetBase * inset,
283 Change const & change)
285 pimpl_->insertInset(pos, inset, change);
289 void Paragraph::insertInset(pos_type pos, InsetBase * inset,
290 LyXFont const & font, Change const & change)
292 pimpl_->insertInset(pos, inset, change);
297 bool Paragraph::insetAllowed(InsetBase_code code)
299 return !pimpl_->inset_owner || pimpl_->inset_owner->insetAllowed(code);
303 // Gets uninstantiated font setting at position.
304 LyXFont const Paragraph::getFontSettings(BufferParams const & bparams,
308 lyxerr << " pos: " << pos << " size: " << size() << endl;
309 BOOST_ASSERT(pos <= size());
312 Pimpl::FontList::const_iterator cit = pimpl_->fontlist.begin();
313 Pimpl::FontList::const_iterator end = pimpl_->fontlist.end();
314 for (; cit != end; ++cit)
315 if (cit->pos() >= pos)
321 if (pos == size() && !empty())
322 return getFontSettings(bparams, pos - 1);
324 return LyXFont(LyXFont::ALL_INHERIT, getParLanguage(bparams));
328 FontSpan Paragraph::fontSpan(pos_type pos) const
330 BOOST_ASSERT(pos <= size());
333 Pimpl::FontList::const_iterator cit = pimpl_->fontlist.begin();
334 Pimpl::FontList::const_iterator end = pimpl_->fontlist.end();
335 for (; cit != end; ++cit) {
336 if (cit->pos() >= pos) {
337 if (pos >= beginOfBody())
338 return FontSpan(std::max(start, beginOfBody()),
341 return FontSpan(start,
342 std::min(beginOfBody() - 1,
345 start = cit->pos() + 1;
348 // This should not happen, but if so, we take no chances.
349 //lyxerr << "Paragraph::getEndPosOfFontSpan: This should not happen!"
351 return FontSpan(pos, pos);
355 // Gets uninstantiated font setting at position 0
356 LyXFont const Paragraph::getFirstFontSettings(BufferParams const & bparams) const
358 if (!empty() && !pimpl_->fontlist.empty())
359 return pimpl_->fontlist[0].font();
361 return LyXFont(LyXFont::ALL_INHERIT, bparams.language);
365 // Gets the fully instantiated font at a given position in a paragraph
366 // This is basically the same function as LyXText::GetFont() in text2.C.
367 // The difference is that this one is used for generating the LaTeX file,
368 // and thus cosmetic "improvements" are disallowed: This has to deliver
369 // the true picture of the buffer. (Asger)
370 LyXFont const Paragraph::getFont(BufferParams const & bparams, pos_type pos,
371 LyXFont const & outerfont) const
373 BOOST_ASSERT(pos >= 0);
375 LyXLayout_ptr const & lout = layout();
377 pos_type const body_pos = beginOfBody();
381 layoutfont = lout->labelfont;
383 layoutfont = lout->font;
385 LyXFont font = getFontSettings(bparams, pos);
386 font.realize(layoutfont);
387 font.realize(outerfont);
388 font.realize(bparams.getFont());
394 LyXFont const Paragraph::getLabelFont
395 (BufferParams const & bparams, LyXFont const & outerfont) const
397 LyXFont tmpfont = layout()->labelfont;
398 tmpfont.setLanguage(getParLanguage(bparams));
399 tmpfont.realize(outerfont);
400 tmpfont.realize(bparams.getFont());
405 LyXFont const Paragraph::getLayoutFont
406 (BufferParams const & bparams, LyXFont const & outerfont) const
408 LyXFont tmpfont = layout()->font;
409 tmpfont.setLanguage(getParLanguage(bparams));
410 tmpfont.realize(outerfont);
411 tmpfont.realize(bparams.getFont());
416 /// Returns the height of the highest font in range
417 LyXFont_size Paragraph::highestFontInRange
418 (pos_type startpos, pos_type endpos, LyXFont_size def_size) const
420 if (pimpl_->fontlist.empty())
423 Pimpl::FontList::const_iterator end_it = pimpl_->fontlist.begin();
424 Pimpl::FontList::const_iterator const end = pimpl_->fontlist.end();
425 for (; end_it != end; ++end_it) {
426 if (end_it->pos() >= endpos)
433 Pimpl::FontList::const_iterator cit = pimpl_->fontlist.begin();
434 for (; cit != end; ++cit) {
435 if (cit->pos() >= startpos)
439 LyXFont::FONT_SIZE maxsize = LyXFont::SIZE_TINY;
440 for (; cit != end_it; ++cit) {
441 LyXFont::FONT_SIZE size = cit->font().size();
442 if (size == LyXFont::INHERIT_SIZE)
444 if (size > maxsize && size <= LyXFont::SIZE_HUGER)
451 Paragraph::value_type
452 Paragraph::getUChar(BufferParams const & bparams, pos_type pos) const
454 value_type c = getChar(pos);
455 if (!lyxrc.rtl_support)
485 if (uc != c && getFontSettings(bparams, pos).isRightToLeft())
492 void Paragraph::setFont(pos_type pos, LyXFont const & font)
494 BOOST_ASSERT(pos <= size());
496 // First, reduce font against layout/label font
497 // Update: The setCharFont() routine in text2.C already
498 // reduces font, so we don't need to do that here. (Asger)
499 // No need to simplify this because it will disappear
500 // in a new kernel. (Asger)
501 // Next search font table
503 Pimpl::FontList::iterator beg = pimpl_->fontlist.begin();
504 Pimpl::FontList::iterator it = beg;
505 Pimpl::FontList::iterator endit = pimpl_->fontlist.end();
506 for (; it != endit; ++it) {
507 if (it->pos() >= pos)
510 size_t const i = distance(beg, it);
511 bool notfound = (it == endit);
513 if (!notfound && pimpl_->fontlist[i].font() == font)
516 bool begin = pos == 0 || notfound ||
517 (i > 0 && pimpl_->fontlist[i - 1].pos() == pos - 1);
518 // Is position pos is a beginning of a font block?
519 bool end = !notfound && pimpl_->fontlist[i].pos() == pos;
520 // Is position pos is the end of a font block?
521 if (begin && end) { // A single char block
522 if (i + 1 < pimpl_->fontlist.size() &&
523 pimpl_->fontlist[i + 1].font() == font) {
524 // Merge the singleton block with the next block
525 pimpl_->fontlist.erase(pimpl_->fontlist.begin() + i);
526 if (i > 0 && pimpl_->fontlist[i - 1].font() == font)
527 pimpl_->fontlist.erase(pimpl_->fontlist.begin() + i - 1);
528 } else if (i > 0 && pimpl_->fontlist[i - 1].font() == font) {
529 // Merge the singleton block with the previous block
530 pimpl_->fontlist[i - 1].pos(pos);
531 pimpl_->fontlist.erase(pimpl_->fontlist.begin() + i);
533 pimpl_->fontlist[i].font(font);
535 if (i > 0 && pimpl_->fontlist[i - 1].font() == font)
536 pimpl_->fontlist[i - 1].pos(pos);
538 pimpl_->fontlist.insert(pimpl_->fontlist.begin() + i,
539 Pimpl::FontTable(pos, font));
541 pimpl_->fontlist[i].pos(pos - 1);
542 if (!(i + 1 < pimpl_->fontlist.size() &&
543 pimpl_->fontlist[i + 1].font() == font))
544 pimpl_->fontlist.insert(pimpl_->fontlist.begin() + i + 1,
545 Pimpl::FontTable(pos, font));
546 } else { // The general case. The block is splitted into 3 blocks
547 pimpl_->fontlist.insert(pimpl_->fontlist.begin() + i,
548 Pimpl::FontTable(pos - 1, pimpl_->fontlist[i].font()));
549 pimpl_->fontlist.insert(pimpl_->fontlist.begin() + i + 1,
550 Pimpl::FontTable(pos, font));
555 void Paragraph::makeSameLayout(Paragraph const & par)
557 layout(par.layout());
559 params() = par.params();
563 bool Paragraph::stripLeadingSpaces(bool trackChanges)
571 while (pos < size() && (isNewline(pos) || isLineSeparator(pos))) {
572 if (eraseChar(pos, trackChanges))
578 return count > 0 || pos > 0;
582 bool Paragraph::hasSameLayout(Paragraph const & par) const
584 return par.layout() == layout() && params().sameLayout(par.params());
588 depth_type Paragraph::getDepth() const
590 return params().depth();
594 depth_type Paragraph::getMaxDepthAfter() const
596 if (layout()->isEnvironment())
597 return params().depth() + 1;
599 return params().depth();
603 char Paragraph::getAlign() const
605 if (params().align() == LYX_ALIGN_LAYOUT)
606 return layout()->align;
608 return params().align();
612 docstring const & Paragraph::getLabelstring() const
614 return params().labelString();
618 // the next two functions are for the manual labels
619 docstring const Paragraph::getLabelWidthString() const
621 if (!params().labelWidthString().empty())
622 return params().labelWidthString();
624 return _("Senseless with this layout!");
628 void Paragraph::setLabelWidthString(docstring const & s)
630 params().labelWidthString(s);
634 docstring const Paragraph::translateIfPossible(docstring const & s,
635 BufferParams const & bparams) const
637 if (!support::isAscii(s) || s.empty()) {
638 // This must be a user defined layout. We cannot translate
639 // this, since gettext accepts only ascii keys.
642 // Probably standard layout, try to translate
643 Messages & m = getMessages(getParLanguage(bparams)->code());
644 return m.get(to_ascii(s));
648 docstring Paragraph::expandLabel(LyXLayout_ptr const & layout,
649 BufferParams const & bparams, bool process_appendix) const
651 LyXTextClass const & tclass = bparams.getLyXTextClass();
654 if (process_appendix && params().appendix())
655 fmt = translateIfPossible(layout->labelstring_appendix(),
658 fmt = translateIfPossible(layout->labelstring(), bparams);
660 // handle 'inherited level parts' in 'fmt',
661 // i.e. the stuff between '@' in '@Section@.\arabic{subsection}'
662 size_t const i = fmt.find('@', 0);
663 if (i != docstring::npos) {
664 size_t const j = fmt.find('@', i + 1);
665 if (j != docstring::npos) {
666 docstring parent(fmt, i + 1, j - i - 1);
668 docstring label = expandLabel(tclass[to_utf8(parent)], bparams);
669 fmt = docstring(fmt, 0, i) + label + docstring(fmt, j + 1, docstring::npos);
673 return tclass.counters().counterLabel(fmt);
677 void Paragraph::applyLayout(LyXLayout_ptr const & new_layout)
680 params().labelWidthString(docstring());
681 params().align(LYX_ALIGN_LAYOUT);
682 params().spacing(Spacing(Spacing::Default));
686 pos_type Paragraph::beginOfBody() const
688 return begin_of_body_;
692 void Paragraph::setBeginOfBody()
694 if (layout()->labeltype != LABEL_MANUAL) {
699 // Unroll the first two cycles of the loop
700 // and remember the previous character to
701 // remove unnecessary getChar() calls
703 pos_type end = size();
704 if (i < end && !isNewline(i)) {
706 char_type previous_char = 0;
709 previous_char = text_[i];
712 while (i < end && previous_char != ' ') {
717 previous_char = temp;
727 // returns -1 if inset not found
728 int Paragraph::getPositionOfInset(InsetBase const * inset) const
731 InsetList::const_iterator it = insetlist.begin();
732 InsetList::const_iterator end = insetlist.end();
733 for (; it != end; ++it)
734 if (it->inset == inset)
740 InsetBibitem * Paragraph::bibitem() const
742 if (!insetlist.empty()) {
743 InsetBase * inset = insetlist.begin()->inset;
744 if (inset->lyxCode() == InsetBase::BIBITEM_CODE)
745 return static_cast<InsetBibitem *>(inset);
751 bool Paragraph::forceDefaultParagraphs() const
753 return inInset() && inInset()->forceDefaultParagraphs(0);
759 // paragraphs inside floats need different alignment tags to avoid
762 bool noTrivlistCentering(InsetBase::Code code)
764 return code == InsetBase::FLOAT_CODE || code == InsetBase::WRAP_CODE;
768 string correction(string const & orig)
770 if (orig == "flushleft")
771 return "raggedright";
772 if (orig == "flushright")
774 if (orig == "center")
780 string const corrected_env(string const & suffix, string const & env,
781 InsetBase::Code code)
783 string output = suffix + "{";
784 if (noTrivlistCentering(code))
785 output += correction(env);
789 if (suffix == "\\begin")
795 int adjust_column_count(string const & str, int oldcol)
797 if (!contains(str, "\n"))
798 return oldcol + str.size();
801 return rsplit(str, tmp, '\n').size();
808 // This could go to ParagraphParameters if we want to
809 int Paragraph::startTeXParParams(BufferParams const & bparams,
810 odocstream & os, bool moving_arg) const
814 if (params().noindent()) {
819 switch (params().align()) {
821 case LYX_ALIGN_BLOCK:
822 case LYX_ALIGN_LAYOUT:
823 case LYX_ALIGN_SPECIAL:
826 case LYX_ALIGN_RIGHT:
827 case LYX_ALIGN_CENTER:
835 switch (params().align()) {
837 case LYX_ALIGN_BLOCK:
838 case LYX_ALIGN_LAYOUT:
839 case LYX_ALIGN_SPECIAL:
841 case LYX_ALIGN_LEFT: {
843 if (getParLanguage(bparams)->babel() != "hebrew")
844 output = corrected_env("\\begin", "flushleft", ownerCode());
846 output = corrected_env("\\begin", "flushright", ownerCode());
847 os << from_ascii(output);
848 column = adjust_column_count(output, column);
850 } case LYX_ALIGN_RIGHT: {
852 if (getParLanguage(bparams)->babel() != "hebrew")
853 output = corrected_env("\\begin", "flushright", ownerCode());
855 output = corrected_env("\\begin", "flushleft", ownerCode());
856 os << from_ascii(output);
857 column = adjust_column_count(output, column);
859 } case LYX_ALIGN_CENTER: {
861 output = corrected_env("\\begin", "center", ownerCode());
862 os << from_ascii(output);
863 column = adjust_column_count(output, column);
872 // This could go to ParagraphParameters if we want to
873 int Paragraph::endTeXParParams(BufferParams const & bparams,
874 odocstream & os, bool moving_arg) const
878 switch (params().align()) {
880 case LYX_ALIGN_BLOCK:
881 case LYX_ALIGN_LAYOUT:
882 case LYX_ALIGN_SPECIAL:
885 case LYX_ALIGN_RIGHT:
886 case LYX_ALIGN_CENTER:
894 switch (params().align()) {
896 case LYX_ALIGN_BLOCK:
897 case LYX_ALIGN_LAYOUT:
898 case LYX_ALIGN_SPECIAL:
900 case LYX_ALIGN_LEFT: {
902 if (getParLanguage(bparams)->babel() != "hebrew")
903 output = corrected_env("\n\\par\\end", "flushleft", ownerCode());
905 output = corrected_env("\n\\par\\end", "flushright", ownerCode());
906 os << from_ascii(output);
907 column = adjust_column_count(output, column);
909 } case LYX_ALIGN_RIGHT: {
911 if (getParLanguage(bparams)->babel() != "hebrew")
912 output = corrected_env("\n\\par\\end", "flushright", ownerCode());
914 output = corrected_env("\n\\par\\end", "flushleft", ownerCode());
915 os << from_ascii(output);
916 column = adjust_column_count(output, column);
918 } case LYX_ALIGN_CENTER: {
920 output = corrected_env("\n\\par\\end", "center", ownerCode());
921 os << from_ascii(output);
922 column = adjust_column_count(output, column);
931 // This one spits out the text of the paragraph
932 bool Paragraph::simpleTeXOnePar(Buffer const & buf,
933 BufferParams const & bparams,
934 LyXFont const & outerfont,
935 odocstream & os, TexRow & texrow,
936 OutputParams const & runparams) const
938 lyxerr[Debug::LATEX] << "SimpleTeXOnePar... " << this << endl;
940 bool return_value = false;
944 // well we have to check if we are in an inset with unlimited
945 // length (all in one row) if that is true then we don't allow
946 // any special options in the paragraph and also we don't allow
947 // any environment other than the default layout of the text class
949 bool asdefault = forceDefaultParagraphs();
952 style = bparams.getLyXTextClass().defaultLayout();
957 // Current base font for all inherited font changes, without any
958 // change caused by an individual character, except for the language:
959 // It is set to the language of the first character.
960 // As long as we are in the label, this font is the base font of the
961 // label. Before the first body character it is set to the base font
963 // This must be identical to basefont in TeXOnePar().
966 // output change tracking marks only if desired,
967 // if dvipost is installed,
968 // and with dvi/ps (other formats don't work)
969 bool const output = bparams.outputChanges
970 && runparams.flavor == OutputParams::LATEX
971 && LaTeXFeatures::isAvailable("dvipost");
973 // Maybe we have to create a optional argument.
974 pos_type body_pos = beginOfBody();
975 unsigned int column = 0;
978 // the optional argument is kept in curly brackets in
979 // case it contains a ']'
982 basefont = getLabelFont(bparams, outerfont);
984 basefont = getLayoutFont(bparams, outerfont);
987 // Which font is currently active?
988 LyXFont running_font(basefont);
989 // Do we have an open font change?
990 bool open_font = false;
992 Change::Type runningChangeType = Change::UNCHANGED;
994 texrow.start(id(), 0);
996 // if the paragraph is empty, the loop will not be entered at all
998 if (style->isCommand()) {
1003 column += startTeXParParams(bparams, os,
1004 runparams.moving_arg);
1007 // Computed only once per paragraph since bparams.encoding() is expensive
1008 Encoding const & doc_encoding = bparams.encoding();
1009 for (pos_type i = 0; i < size(); ++i) {
1010 // First char in paragraph or after label?
1011 if (i == body_pos) {
1014 column += running_font.latexWriteEndChanges(
1015 os, basefont, basefont, bparams);
1018 basefont = getLayoutFont(bparams, outerfont);
1019 running_font = basefont;
1021 column += Changes::latexMarkChange(os,
1022 runningChangeType, Change::UNCHANGED, output);
1023 runningChangeType = Change::UNCHANGED;
1028 if (style->isCommand()) {
1034 column += startTeXParParams(bparams, os,
1035 runparams.moving_arg);
1038 Change::Type changeType = pimpl_->lookupChange(i).type;
1040 // do not output text which is marked deleted
1041 // if change tracking output is disabled
1042 if (!output && changeType == Change::DELETED) {
1043 runningChangeType = changeType;
1049 column += Changes::latexMarkChange(os, runningChangeType,
1050 changeType, output);
1051 runningChangeType = changeType;
1053 value_type c = getChar(i);
1055 // Fully instantiated font
1056 LyXFont font = getFont(bparams, i, outerfont);
1058 LyXFont const last_font = running_font;
1060 // Do we need to close the previous font?
1062 (font != running_font ||
1063 font.language() != running_font.language()))
1065 column += running_font.latexWriteEndChanges(
1067 (i == body_pos-1) ? basefont : font,
1069 running_font = basefont;
1073 // Do we need to change font?
1074 if ((font != running_font ||
1075 font.language() != running_font.language()) &&
1078 column += font.latexWriteStartChanges(
1079 os, basefont, last_font, bparams);
1080 running_font = font;
1085 // Do not print the separation of the optional argument
1086 if (i != body_pos - 1) {
1087 if (pimpl_->simpleTeXBlanks(bparams,
1088 doc_encoding, os, texrow,
1089 i, column, font, *style))
1090 // A surrogate pair was output. We
1091 // must not call simpleTeXSpecialChars
1092 // in this iteration, since
1093 // simpleTeXBlanks incremented i, and
1094 // simpleTeXSpecialChars would output
1095 // the combining character again.
1100 OutputParams rp = runparams;
1101 rp.free_spacing = style->free_spacing;
1102 rp.local_font = &font;
1103 rp.intitle = style->intitle;
1104 pimpl_->simpleTeXSpecialChars(buf, bparams, doc_encoding, os,
1105 texrow, rp, font, running_font,
1106 basefont, outerfont, open_font,
1107 runningChangeType, *style, i, column, c);
1110 // If we have an open font definition, we have to close it
1112 #ifdef FIXED_LANGUAGE_END_DETECTION
1115 .latexWriteEndChanges(os, basefont,
1116 next_->getFont(bparams, 0, outerfont),
1119 running_font.latexWriteEndChanges(os, basefont,
1123 #ifdef WITH_WARNINGS
1124 //#warning For now we ALWAYS have to close the foreign font settings if they are
1125 //#warning there as we start another \selectlanguage with the next paragraph if
1126 //#warning we are in need of this. This should be fixed sometime (Jug)
1128 running_font.latexWriteEndChanges(os, basefont, basefont,
1133 column += Changes::latexMarkChange(os,
1134 runningChangeType, Change::UNCHANGED, output);
1136 // Needed if there is an optional argument but no contents.
1137 if (body_pos > 0 && body_pos == size()) {
1139 return_value = false;
1143 column += endTeXParParams(bparams, os, runparams.moving_arg);
1146 lyxerr[Debug::LATEX] << "SimpleTeXOnePar...done " << this << endl;
1147 return return_value;
1164 string tag_name(PAR_TAG const & pt) {
1166 case PAR_NONE: return "!-- --";
1167 case TT: return "tt";
1168 case SF: return "sf";
1169 case BF: return "bf";
1170 case IT: return "it";
1171 case SL: return "sl";
1172 case EM: return "em";
1179 void operator|=(PAR_TAG & p1, PAR_TAG const & p2)
1181 p1 = static_cast<PAR_TAG>(p1 | p2);
1186 void reset(PAR_TAG & p1, PAR_TAG const & p2)
1188 p1 = static_cast<PAR_TAG>(p1 & ~p2);
1194 bool Paragraph::emptyTag() const
1196 for (pos_type i = 0; i < size(); ++i) {
1198 InsetBase const * inset = getInset(i);
1199 InsetBase::Code lyx_code = inset->lyxCode();
1200 if (lyx_code != InsetBase::TOC_CODE &&
1201 lyx_code != InsetBase::INCLUDE_CODE &&
1202 lyx_code != InsetBase::GRAPHICS_CODE &&
1203 lyx_code != InsetBase::ERT_CODE &&
1204 lyx_code != InsetBase::FLOAT_CODE &&
1205 lyx_code != InsetBase::TABULAR_CODE) {
1209 value_type c = getChar(i);
1210 if (c != ' ' && c != '\t')
1218 string Paragraph::getID(Buffer const & buf, OutputParams const & runparams) const
1220 for (pos_type i = 0; i < size(); ++i) {
1222 InsetBase const * inset = getInset(i);
1223 InsetBase::Code lyx_code = inset->lyxCode();
1224 if (lyx_code == InsetBase::LABEL_CODE) {
1225 string const id = static_cast<InsetCommand const *>(inset)->getContents();
1226 return "id='" + to_utf8(sgml::cleanID(buf, runparams, from_utf8(id))) + "'";
1235 pos_type Paragraph::getFirstWord(Buffer const & buf, odocstream & os, OutputParams const & runparams) const
1238 for (i = 0; i < size(); ++i) {
1240 InsetBase const * inset = getInset(i);
1241 inset->docbook(buf, os, runparams);
1243 value_type c = getChar(i);
1246 os << sgml::escapeChar(c);
1253 bool Paragraph::onlyText(Buffer const & buf, LyXFont const & outerfont, pos_type initial) const
1257 for (pos_type i = initial; i < size(); ++i) {
1258 LyXFont font = getFont(buf.params(), i, outerfont);
1261 if (i != initial && font != font_old)
1270 void Paragraph::simpleDocBookOnePar(Buffer const & buf,
1272 OutputParams const & runparams,
1273 LyXFont const & outerfont,
1274 pos_type initial) const
1276 bool emph_flag = false;
1278 LyXLayout_ptr const & style = layout();
1280 style->labeltype == LABEL_MANUAL ? style->labelfont : style->font;
1282 if (style->pass_thru && !onlyText(buf, outerfont, initial))
1285 // parsing main loop
1286 for (pos_type i = initial; i < size(); ++i) {
1287 LyXFont font = getFont(buf.params(), i, outerfont);
1289 // handle <emphasis> tag
1290 if (font_old.emph() != font.emph()) {
1291 if (font.emph() == LyXFont::ON) {
1294 } else if (i != initial) {
1295 os << "</emphasis>";
1301 InsetBase const * inset = getInset(i);
1302 inset->docbook(buf, os, runparams);
1304 value_type c = getChar(i);
1306 if (style->pass_thru)
1309 os << sgml::escapeChar(c);
1315 os << "</emphasis>";
1318 if (style->free_spacing)
1320 if (style->pass_thru && !onlyText(buf, outerfont, initial))
1325 bool Paragraph::isNewline(pos_type pos) const
1328 && getInset(pos)->lyxCode() == InsetBase::NEWLINE_CODE;
1332 bool Paragraph::isLineSeparator(pos_type pos) const
1334 value_type const c = getChar(pos);
1335 return isLineSeparatorChar(c)
1336 || (c == Paragraph::META_INSET && getInset(pos) &&
1337 getInset(pos)->isLineSeparator());
1341 /// Used by the spellchecker
1342 bool Paragraph::isLetter(pos_type pos) const
1345 return getInset(pos)->isLetter();
1347 value_type const c = getChar(pos);
1348 return isLetterChar(c) || isDigit(c);
1354 Paragraph::getParLanguage(BufferParams const & bparams) const
1357 return getFirstFontSettings(bparams).language();
1358 #ifdef WITH_WARNINGS
1359 #warning FIXME we should check the prev par as well (Lgb)
1361 return bparams.language;
1365 bool Paragraph::isRightToLeftPar(BufferParams const & bparams) const
1367 return lyxrc.rtl_support
1368 && getParLanguage(bparams)->rightToLeft()
1369 && ownerCode() != InsetBase::ERT_CODE;
1373 void Paragraph::changeLanguage(BufferParams const & bparams,
1374 Language const * from, Language const * to)
1376 // change language including dummy font change at the end
1377 for (pos_type i = 0; i <= size(); ++i) {
1378 LyXFont font = getFontSettings(bparams, i);
1379 if (font.language() == from) {
1380 font.setLanguage(to);
1387 bool Paragraph::isMultiLingual(BufferParams const & bparams) const
1389 Language const * doc_language = bparams.language;
1390 Pimpl::FontList::const_iterator cit = pimpl_->fontlist.begin();
1391 Pimpl::FontList::const_iterator end = pimpl_->fontlist.end();
1393 for (; cit != end; ++cit)
1394 if (cit->font().language() != ignore_language &&
1395 cit->font().language() != latex_language &&
1396 cit->font().language() != doc_language)
1402 // Convert the paragraph to a string.
1403 // Used for building the table of contents
1404 docstring const Paragraph::asString(Buffer const & buffer, bool label) const
1406 return asString(buffer, 0, size(), label);
1410 docstring const Paragraph::asString(Buffer const & buffer,
1411 pos_type beg, pos_type end, bool label) const
1414 odocstringstream os;
1416 if (beg == 0 && label && !params().labelString().empty())
1417 os << params().labelString() << ' ';
1419 for (pos_type i = beg; i < end; ++i) {
1420 value_type const c = getUChar(buffer.params(), i);
1423 else if (c == META_INSET)
1424 getInset(i)->textString(buffer, os);
1431 void Paragraph::setInsetOwner(InsetBase * inset)
1433 pimpl_->inset_owner = inset;
1437 Change const & Paragraph::lookupChange(pos_type pos) const
1439 BOOST_ASSERT(pos <= size());
1440 return pimpl_->lookupChange(pos);
1444 bool Paragraph::isChanged(pos_type start, pos_type end) const
1446 return pimpl_->isChanged(start, end);
1450 bool Paragraph::isMergedOnEndOfParDeletion(bool trackChanges) const
1452 return pimpl_->isMergedOnEndOfParDeletion(trackChanges);
1456 void Paragraph::setChange(Change const & change)
1458 pimpl_->setChange(change);
1462 void Paragraph::setChange(pos_type pos, Change const & change)
1464 pimpl_->setChange(pos, change);
1468 void Paragraph::acceptChanges(BufferParams const & bparams, pos_type start, pos_type end)
1470 return pimpl_->acceptChanges(bparams, start, end);
1474 void Paragraph::rejectChanges(BufferParams const & bparams, pos_type start, pos_type end)
1476 return pimpl_->rejectChanges(bparams, start, end);
1480 int Paragraph::id() const
1486 LyXLayout_ptr const & Paragraph::layout() const
1492 void Paragraph::layout(LyXLayout_ptr const & new_layout)
1494 layout_ = new_layout;
1498 InsetBase * Paragraph::inInset() const
1500 return pimpl_->inset_owner;
1504 InsetBase::Code Paragraph::ownerCode() const
1506 return pimpl_->inset_owner
1507 ? pimpl_->inset_owner->lyxCode() : InsetBase::NO_CODE;
1511 ParagraphParameters & Paragraph::params()
1513 return pimpl_->params;
1517 ParagraphParameters const & Paragraph::params() const
1519 return pimpl_->params;
1523 bool Paragraph::isFreeSpacing() const
1525 if (layout()->free_spacing)
1528 // for now we just need this, later should we need this in some
1529 // other way we can always add a function to InsetBase too.
1530 return ownerCode() == InsetBase::ERT_CODE;
1534 bool Paragraph::allowEmpty() const
1536 if (layout()->keepempty)
1538 return ownerCode() == InsetBase::ERT_CODE;
1542 char_type Paragraph::transformChar(char_type c, pos_type pos) const
1544 if (!Encodings::is_arabic(c))
1545 if (lyxrc.font_norm_type == LyXRC::ISO_8859_6_8 && isDigit(c))
1546 // FIXME UNICODE What does this do?
1547 return c + (0xb0 - '0');
1551 value_type const prev_char = pos > 0 ? getChar(pos - 1) : ' ';
1552 value_type next_char = ' ';
1554 for (pos_type i = pos + 1, end = size(); i < end; ++i) {
1555 value_type const par_char = getChar(i);
1556 if (!Encodings::isComposeChar_arabic(par_char)) {
1557 next_char = par_char;
1562 if (Encodings::is_arabic(next_char)) {
1563 if (Encodings::is_arabic(prev_char) &&
1564 !Encodings::is_arabic_special(prev_char))
1565 return Encodings::transformChar(c, Encodings::FORM_MEDIAL);
1567 return Encodings::transformChar(c, Encodings::FORM_INITIAL);
1569 if (Encodings::is_arabic(prev_char) &&
1570 !Encodings::is_arabic_special(prev_char))
1571 return Encodings::transformChar(c, Encodings::FORM_FINAL);
1573 return Encodings::transformChar(c, Encodings::FORM_ISOLATED);
1578 bool Paragraph::hfillExpansion(Row const & row, pos_type pos) const
1583 BOOST_ASSERT(pos >= row.pos() && pos < row.endpos());
1585 // expand at the end of a row only if there is another hfill on the same row
1586 if (pos == row.endpos() - 1) {
1587 for (pos_type i = row.pos(); i < pos; i++) {
1594 // expand at the beginning of a row only if it is the first row of a paragraph
1595 if (pos == row.pos()) {
1599 // do not expand in some labels
1600 if (layout()->margintype != MARGIN_MANUAL && pos < beginOfBody())
1603 // if there is anything between the first char of the row and
1604 // the specified position that is neither a newline nor an hfill,
1605 // the hfill will be expanded, otherwise it won't
1606 for (pos_type i = row.pos(); i < pos; i++) {
1607 if (!isNewline(i) && !isHfill(i))
1614 bool Paragraph::checkBiblio(bool track_changes)
1616 // Add bibitem insets if necessary
1617 if (layout()->labeltype != LABEL_BIBLIO)
1620 bool hasbibitem = !insetlist.empty()
1621 // Insist on it being in pos 0
1622 && getChar(0) == Paragraph::META_INSET
1623 && insetlist.begin()->inset->lyxCode() == InsetBase::BIBITEM_CODE;
1628 InsetBibitem * inset(new InsetBibitem(InsetCommandParams("bibitem")));
1629 insertInset(0, static_cast<InsetBase *>(inset),
1630 Change(track_changes ? Change::INSERTED : Change::UNCHANGED));