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"
34 #include "outputparams.h"
35 #include "paragraph_funcs.h"
36 #include "ParagraphList_fwd.h"
41 #include "insets/insetbibitem.h"
42 #include "insets/insetoptarg.h"
44 #include "support/lstrings.h"
45 #include "support/textutils.h"
46 #include "support/convert.h"
47 #include "support/unicode.h"
49 #include <boost/bind.hpp>
67 using std::ostringstream;
70 Paragraph::Paragraph()
71 : begin_of_body_(0), pimpl_(new Paragraph::Pimpl(this))
78 Paragraph::Paragraph(Paragraph const & par)
79 : itemdepth(par.itemdepth), insetlist(par.insetlist),
81 rows_(par.rows_), rowSignature_(par.rowSignature_),
83 text_(par.text_), begin_of_body_(par.begin_of_body_),
84 pimpl_(new Paragraph::Pimpl(*par.pimpl_, this))
86 //lyxerr << "Paragraph::Paragraph(Paragraph const&)" << endl;
87 InsetList::iterator it = insetlist.begin();
88 InsetList::iterator end = insetlist.end();
89 for (; it != end; ++it)
90 it->inset = it->inset->clone().release();
94 Paragraph & Paragraph::operator=(Paragraph const & par)
96 // needed as we will destroy the pimpl_ before copying it
98 itemdepth = par.itemdepth;
100 insetlist = par.insetlist;
101 InsetList::iterator it = insetlist.begin();
102 InsetList::iterator end = insetlist.end();
103 for (; it != end; ++it)
104 it->inset = it->inset->clone().release();
108 rowSignature_ = par.rowSignature_;
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 int Paragraph::stripLeadingSpaces()
569 while (!empty() && (isNewline(0) || isLineSeparator(0))
571 eraseChar(0, false); // no change tracking here
579 bool Paragraph::hasSameLayout(Paragraph const & par) const
581 return par.layout() == layout() && params().sameLayout(par.params());
585 depth_type Paragraph::getDepth() const
587 return params().depth();
591 depth_type Paragraph::getMaxDepthAfter() const
593 if (layout()->isEnvironment())
594 return params().depth() + 1;
596 return params().depth();
600 char Paragraph::getAlign() const
602 return params().align();
606 docstring const & Paragraph::getLabelstring() const
608 return params().labelString();
612 // the next two functions are for the manual labels
613 docstring const Paragraph::getLabelWidthString() const
615 if (!params().labelWidthString().empty())
616 return params().labelWidthString();
618 return _("Senseless with this layout!");
622 void Paragraph::setLabelWidthString(docstring const & s)
624 params().labelWidthString(s);
628 void Paragraph::applyLayout(LyXLayout_ptr const & new_layout)
631 params().labelWidthString(docstring());
632 params().align(LYX_ALIGN_LAYOUT);
633 params().spacing(Spacing(Spacing::Default));
637 pos_type Paragraph::beginOfBody() const
639 return begin_of_body_;
643 void Paragraph::setBeginOfBody()
645 if (layout()->labeltype != LABEL_MANUAL) {
650 // Unroll the first two cycles of the loop
651 // and remember the previous character to
652 // remove unnecessary getChar() calls
654 pos_type end = size();
655 if (i < end && !isNewline(i)) {
657 char_type previous_char = 0;
660 previous_char = text_[i];
663 while (i < end && previous_char != ' ') {
668 previous_char = temp;
678 // returns -1 if inset not found
679 int Paragraph::getPositionOfInset(InsetBase const * inset) const
682 InsetList::const_iterator it = insetlist.begin();
683 InsetList::const_iterator end = insetlist.end();
684 for (; it != end; ++it)
685 if (it->inset == inset)
691 InsetBibitem * Paragraph::bibitem() const
693 if (!insetlist.empty()) {
694 InsetBase * inset = insetlist.begin()->inset;
695 if (inset->lyxCode() == InsetBase::BIBITEM_CODE)
696 return static_cast<InsetBibitem *>(inset);
702 bool Paragraph::forceDefaultParagraphs() const
704 return inInset() && inInset()->forceDefaultParagraphs(0);
710 // paragraphs inside floats need different alignment tags to avoid
713 bool noTrivlistCentering(InsetBase::Code code)
715 return code == InsetBase::FLOAT_CODE || code == InsetBase::WRAP_CODE;
719 string correction(string const & orig)
721 if (orig == "flushleft")
722 return "raggedright";
723 if (orig == "flushright")
725 if (orig == "center")
731 string const corrected_env(string const & suffix, string const & env,
732 InsetBase::Code code)
734 string output = suffix + "{";
735 if (noTrivlistCentering(code))
736 output += correction(env);
740 if (suffix == "\\begin")
748 // This could go to ParagraphParameters if we want to
749 int Paragraph::startTeXParParams(BufferParams const & bparams,
750 odocstream & os, bool moving_arg) const
754 if (params().noindent()) {
759 switch (params().align()) {
761 case LYX_ALIGN_BLOCK:
762 case LYX_ALIGN_LAYOUT:
763 case LYX_ALIGN_SPECIAL:
766 case LYX_ALIGN_RIGHT:
767 case LYX_ALIGN_CENTER:
775 switch (params().align()) {
777 case LYX_ALIGN_BLOCK:
778 case LYX_ALIGN_LAYOUT:
779 case LYX_ALIGN_SPECIAL:
781 case LYX_ALIGN_LEFT: {
783 if (getParLanguage(bparams)->babel() != "hebrew")
784 output = corrected_env("\\begin", "flushleft", ownerCode());
786 output = corrected_env("\\begin", "flushright", ownerCode());
787 os << from_ascii(output);
788 column += output.size();
790 } case LYX_ALIGN_RIGHT: {
792 if (getParLanguage(bparams)->babel() != "hebrew")
793 output = corrected_env("\\begin", "flushright", ownerCode());
795 output = corrected_env("\\begin", "flushleft", ownerCode());
796 os << from_ascii(output);
797 column += output.size();
799 } case LYX_ALIGN_CENTER: {
801 output = corrected_env("\\begin", "center", ownerCode());
802 os << from_ascii(output);
803 column += output.size();
812 // This could go to ParagraphParameters if we want to
813 int Paragraph::endTeXParParams(BufferParams const & bparams,
814 odocstream & os, bool moving_arg) const
818 switch (params().align()) {
820 case LYX_ALIGN_BLOCK:
821 case LYX_ALIGN_LAYOUT:
822 case LYX_ALIGN_SPECIAL:
825 case LYX_ALIGN_RIGHT:
826 case LYX_ALIGN_CENTER:
834 switch (params().align()) {
836 case LYX_ALIGN_BLOCK:
837 case LYX_ALIGN_LAYOUT:
838 case LYX_ALIGN_SPECIAL:
840 case LYX_ALIGN_LEFT: {
842 if (getParLanguage(bparams)->babel() != "hebrew")
843 output = corrected_env("\n\\par\\end", "flushleft", ownerCode());
845 output = corrected_env("\n\\par\\end", "flushright", ownerCode());
846 os << from_ascii(output);
847 column += output.size();
849 } case LYX_ALIGN_RIGHT: {
851 if (getParLanguage(bparams)->babel() != "hebrew")
852 output = corrected_env("\n\\par\\end", "flushright", ownerCode());
854 output = corrected_env("\n\\par\\end", "flushleft", ownerCode());
855 os << from_ascii(output);
856 column += output.size();
858 } case LYX_ALIGN_CENTER: {
860 output = corrected_env("\n\\par\\end", "center", ownerCode());
861 os << from_ascii(output);
862 column += output.size();
871 // This one spits out the text of the paragraph
872 bool Paragraph::simpleTeXOnePar(Buffer const & buf,
873 BufferParams const & bparams,
874 LyXFont const & outerfont,
875 odocstream & os, TexRow & texrow,
876 OutputParams const & runparams) const
878 lyxerr[Debug::LATEX] << "SimpleTeXOnePar... " << this << endl;
880 bool return_value = false;
884 // well we have to check if we are in an inset with unlimited
885 // length (all in one row) if that is true then we don't allow
886 // any special options in the paragraph and also we don't allow
887 // any environment other then "Standard" to be valid!
888 bool asdefault = forceDefaultParagraphs();
891 style = bparams.getLyXTextClass().defaultLayout();
898 LaTeXFeatures features(buf, bparams, runparams);
900 // output change tracking marks only if desired,
901 // if dvipost is installed,
902 // and with dvi/ps (other formats don't work)
903 bool const output = bparams.outputChanges
904 && runparams.flavor == OutputParams::LATEX
905 && features.isAvailable("dvipost");
907 // Maybe we have to create a optional argument.
908 pos_type body_pos = beginOfBody();
909 unsigned int column = 0;
912 // the optional argument is kept in curly brackets in
913 // case it contains a ']'
916 basefont = getLabelFont(bparams, outerfont);
918 basefont = getLayoutFont(bparams, outerfont);
921 // Which font is currently active?
922 LyXFont running_font(basefont);
923 // Do we have an open font change?
924 bool open_font = false;
926 Change::Type runningChangeType = Change::UNCHANGED;
928 texrow.start(id(), 0);
930 // if the paragraph is empty, the loop will not be entered at all
932 if (style->isCommand()) {
937 column += startTeXParParams(bparams, os,
938 runparams.moving_arg);
941 for (pos_type i = 0; i < size(); ++i) {
943 // First char in paragraph or after label?
947 column += running_font.latexWriteEndChanges(os, basefont, basefont);
950 basefont = getLayoutFont(bparams, outerfont);
951 running_font = basefont;
955 if (style->isCommand()) {
961 column += startTeXParParams(bparams, os,
962 runparams.moving_arg);
965 value_type c = getChar(i);
967 // Fully instantiated font
968 LyXFont font = getFont(bparams, i, outerfont);
970 LyXFont const last_font = running_font;
972 // Spaces at end of font change are simulated to be
973 // outside font change, i.e. we write "\textXX{text} "
974 // rather than "\textXX{text }". (Asger)
975 if (open_font && c == ' ' && i <= size() - 2) {
976 LyXFont const & next_font = getFont(bparams, i + 1, outerfont);
977 if (next_font != running_font && next_font != font) {
982 // We end font definition before blanks
984 (font != running_font ||
985 font.language() != running_font.language()))
987 column += running_font.latexWriteEndChanges(os,
989 (i == body_pos-1) ? basefont : font);
990 running_font = basefont;
994 // Blanks are printed before start of fontswitch
996 // Do not print the separation of the optional argument
997 if (i != body_pos - 1) {
998 pimpl_->simpleTeXBlanks(os, texrow, i,
999 column, font, *style);
1003 // Do we need to change font?
1004 if ((font != running_font ||
1005 font.language() != running_font.language()) &&
1008 column += font.latexWriteStartChanges(os, basefont,
1010 running_font = font;
1014 Change::Type changeType = pimpl_->lookupChange(i).type;
1016 column += Changes::latexMarkChange(os, runningChangeType,
1017 changeType, output);
1018 runningChangeType = changeType;
1020 // do not output text which is marked deleted
1021 // if change tracking output is not desired
1022 if (output || runningChangeType != Change::DELETED) {
1023 OutputParams rp = runparams;
1024 rp.free_spacing = style->free_spacing;
1025 rp.local_font = &font;
1026 rp.intitle = style->intitle;
1027 pimpl_->simpleTeXSpecialChars(buf, bparams,
1030 basefont, outerfont, open_font,
1032 *style, i, column, c);
1036 column += Changes::latexMarkChange(os,
1037 runningChangeType, Change::UNCHANGED, output);
1039 // If we have an open font definition, we have to close it
1041 #ifdef FIXED_LANGUAGE_END_DETECTION
1044 .latexWriteEndChanges(os, basefont,
1045 next_->getFont(bparams,
1048 running_font.latexWriteEndChanges(os, basefont,
1052 #ifdef WITH_WARNINGS
1053 //#warning For now we ALWAYS have to close the foreign font settings if they are
1054 //#warning there as we start another \selectlanguage with the next paragraph if
1055 //#warning we are in need of this. This should be fixed sometime (Jug)
1057 running_font.latexWriteEndChanges(os, basefont, basefont);
1061 // Needed if there is an optional argument but no contents.
1062 if (body_pos > 0 && body_pos == size()) {
1064 return_value = false;
1068 column += endTeXParParams(bparams, os, runparams.moving_arg);
1071 lyxerr[Debug::LATEX] << "SimpleTeXOnePar...done " << this << endl;
1072 return return_value;
1078 // checks, if newcol chars should be put into this line
1079 // writes newline, if necessary.
1080 void sgmlLineBreak(ostream & os, string::size_type & colcount,
1081 string::size_type newcol)
1084 if (colcount > lyxrc.ascii_linelen) {
1086 colcount = newcol; // assume write after this call
1101 string tag_name(PAR_TAG const & pt) {
1103 case PAR_NONE: return "!-- --";
1104 case TT: return "tt";
1105 case SF: return "sf";
1106 case BF: return "bf";
1107 case IT: return "it";
1108 case SL: return "sl";
1109 case EM: return "em";
1116 void operator|=(PAR_TAG & p1, PAR_TAG const & p2)
1118 p1 = static_cast<PAR_TAG>(p1 | p2);
1123 void reset(PAR_TAG & p1, PAR_TAG const & p2)
1125 p1 = static_cast<PAR_TAG>(p1 & ~p2);
1131 bool Paragraph::emptyTag() const
1133 for (pos_type i = 0; i < size(); ++i) {
1135 InsetBase const * inset = getInset(i);
1136 InsetBase::Code lyx_code = inset->lyxCode();
1137 if (lyx_code != InsetBase::TOC_CODE &&
1138 lyx_code != InsetBase::INCLUDE_CODE &&
1139 lyx_code != InsetBase::GRAPHICS_CODE &&
1140 lyx_code != InsetBase::ERT_CODE &&
1141 lyx_code != InsetBase::FLOAT_CODE &&
1142 lyx_code != InsetBase::TABULAR_CODE) {
1146 value_type c = getChar(i);
1147 if (c != ' ' && c != '\t')
1155 string Paragraph::getID(Buffer const & buf, OutputParams const & runparams) const
1157 for (pos_type i = 0; i < size(); ++i) {
1159 InsetBase const * inset = getInset(i);
1160 InsetBase::Code lyx_code = inset->lyxCode();
1161 if (lyx_code == InsetBase::LABEL_CODE) {
1162 string const id = static_cast<InsetCommand const *>(inset)->getContents();
1163 return "id='" + to_utf8(sgml::cleanID(buf, runparams, from_utf8(id))) + "'";
1172 pos_type Paragraph::getFirstWord(Buffer const & buf, odocstream & os, OutputParams const & runparams) const
1175 for (i = 0; i < size(); ++i) {
1177 InsetBase const * inset = getInset(i);
1178 inset->docbook(buf, os, runparams);
1180 value_type c = getChar(i);
1183 os << sgml::escapeChar(c);
1190 bool Paragraph::onlyText(Buffer const & buf, LyXFont const & outerfont, pos_type initial) const
1194 for (pos_type i = initial; i < size(); ++i) {
1195 LyXFont font = getFont(buf.params(), i, outerfont);
1198 if (i != initial && font != font_old)
1207 void Paragraph::simpleDocBookOnePar(Buffer const & buf,
1209 OutputParams const & runparams,
1210 LyXFont const & outerfont,
1211 pos_type initial) const
1213 bool emph_flag = false;
1215 LyXLayout_ptr const & style = layout();
1217 style->labeltype == LABEL_MANUAL ? style->labelfont : style->font;
1219 if (style->pass_thru && !onlyText(buf, outerfont, initial))
1222 // parsing main loop
1223 for (pos_type i = initial; i < size(); ++i) {
1224 LyXFont font = getFont(buf.params(), i, outerfont);
1226 // handle <emphasis> tag
1227 if (font_old.emph() != font.emph()) {
1228 if (font.emph() == LyXFont::ON) {
1231 } else if (i != initial) {
1232 os << "</emphasis>";
1238 InsetBase const * inset = getInset(i);
1239 inset->docbook(buf, os, runparams);
1241 value_type c = getChar(i);
1243 if (style->pass_thru)
1246 os << sgml::escapeChar(c);
1252 os << "</emphasis>";
1255 if (style->free_spacing)
1257 if (style->pass_thru && !onlyText(buf, outerfont, initial))
1262 bool Paragraph::isNewline(pos_type pos) const
1265 && getInset(pos)->lyxCode() == InsetBase::NEWLINE_CODE;
1269 bool Paragraph::isLineSeparator(pos_type pos) const
1271 value_type const c = getChar(pos);
1272 return isLineSeparatorChar(c)
1273 || (c == Paragraph::META_INSET && getInset(pos) &&
1274 getInset(pos)->isLineSeparator());
1278 /// Used by the spellchecker
1279 bool Paragraph::isLetter(pos_type pos) const
1282 return getInset(pos)->isLetter();
1284 value_type const c = getChar(pos);
1285 return isLetterChar(c) || isDigit(c);
1291 Paragraph::getParLanguage(BufferParams const & bparams) const
1294 return getFirstFontSettings(bparams).language();
1295 #ifdef WITH_WARNINGS
1296 #warning FIXME we should check the prev par as well (Lgb)
1298 return bparams.language;
1302 bool Paragraph::isRightToLeftPar(BufferParams const & bparams) const
1304 return lyxrc.rtl_support
1305 && getParLanguage(bparams)->rightToLeft()
1306 && ownerCode() != InsetBase::ERT_CODE;
1310 void Paragraph::changeLanguage(BufferParams const & bparams,
1311 Language const * from, Language const * to)
1313 // change language including dummy font change at the end
1314 for (pos_type i = 0; i <= size(); ++i) {
1315 LyXFont font = getFontSettings(bparams, i);
1316 if (font.language() == from) {
1317 font.setLanguage(to);
1324 bool Paragraph::isMultiLingual(BufferParams const & bparams) const
1326 Language const * doc_language = bparams.language;
1327 Pimpl::FontList::const_iterator cit = pimpl_->fontlist.begin();
1328 Pimpl::FontList::const_iterator end = pimpl_->fontlist.end();
1330 for (; cit != end; ++cit)
1331 if (cit->font().language() != ignore_language &&
1332 cit->font().language() != latex_language &&
1333 cit->font().language() != doc_language)
1339 // Convert the paragraph to a string.
1340 // Used for building the table of contents
1341 docstring const Paragraph::asString(Buffer const & buffer, bool label) const
1343 OutputParams runparams;
1344 return asString(buffer, runparams, label);
1348 docstring const Paragraph::asString(Buffer const & buffer,
1349 OutputParams const & runparams,
1354 if (label && !params().labelString().empty())
1355 s += params().labelString() + ' ';
1357 for (pos_type i = 0; i < size(); ++i) {
1358 value_type c = getChar(i);
1361 else if (c == META_INSET &&
1362 getInset(i)->lyxCode() == InsetBase::MATH_CODE) {
1364 getInset(i)->plaintext(buffer, os, runparams);
1365 s += subst(STRCONV(os.str()),'\n',' ');
1371 // This should really be done by the caller and not here.
1372 docstring ret = asString(buffer, runparams, 0, size(), label);
1373 return subst(ret, '\n', ' ');
1378 docstring const Paragraph::asString(Buffer const & buffer,
1379 pos_type beg, pos_type end, bool label) const
1382 OutputParams const runparams;
1383 return asString(buffer, runparams, beg, end, label);
1387 docstring const Paragraph::asString(Buffer const & buffer,
1388 OutputParams const & runparams,
1389 pos_type beg, pos_type end, bool label) const
1391 lyx::odocstringstream os;
1393 if (beg == 0 && label && !params().labelString().empty())
1394 os << params().labelString() << ' ';
1396 for (pos_type i = beg; i < end; ++i) {
1397 value_type const c = getUChar(buffer.params(), i);
1400 else if (c == META_INSET)
1401 getInset(i)->textString(buffer, os, runparams);
1408 void Paragraph::setInsetOwner(InsetBase * inset)
1410 pimpl_->inset_owner = inset;
1414 Change const Paragraph::lookupChange(pos_type pos) const
1416 BOOST_ASSERT(pos <= size());
1417 return pimpl_->lookupChange(pos);
1421 bool Paragraph::isChanged(pos_type start, pos_type end) const
1423 return pimpl_->isChanged(start, end);
1427 bool Paragraph::isMergedOnEndOfParDeletion(bool trackChanges) const
1429 return pimpl_->isMergedOnEndOfParDeletion(trackChanges);
1433 void Paragraph::setChange(Change const & change)
1435 pimpl_->setChange(change);
1439 void Paragraph::setChange(pos_type pos, Change const & change)
1441 pimpl_->setChange(pos, change);
1445 void Paragraph::acceptChanges(pos_type start, pos_type end)
1447 return pimpl_->acceptChanges(start, end);
1451 void Paragraph::rejectChanges(pos_type start, pos_type end)
1453 return pimpl_->rejectChanges(start, end);
1457 int Paragraph::id() const
1463 LyXLayout_ptr const & Paragraph::layout() const
1469 void Paragraph::layout(LyXLayout_ptr const & new_layout)
1471 layout_ = new_layout;
1475 InsetBase * Paragraph::inInset() const
1477 return pimpl_->inset_owner;
1481 InsetBase::Code Paragraph::ownerCode() const
1483 return pimpl_->inset_owner
1484 ? pimpl_->inset_owner->lyxCode() : InsetBase::NO_CODE;
1488 void Paragraph::clearContents()
1494 ParagraphParameters & Paragraph::params()
1496 return pimpl_->params;
1500 ParagraphParameters const & Paragraph::params() const
1502 return pimpl_->params;
1506 bool Paragraph::isFreeSpacing() const
1508 if (layout()->free_spacing)
1511 // for now we just need this, later should we need this in some
1512 // other way we can always add a function to InsetBase too.
1513 return ownerCode() == InsetBase::ERT_CODE;
1517 bool Paragraph::allowEmpty() const
1519 if (layout()->keepempty)
1521 return ownerCode() == InsetBase::ERT_CODE;
1525 Row & Paragraph::getRow(pos_type pos, bool boundary)
1527 BOOST_ASSERT(!rows().empty());
1529 // If boundary is set we should return the row on which
1530 // the character before is inside.
1531 if (pos > 0 && boundary)
1534 RowList::iterator rit = rows_.end();
1535 RowList::iterator const begin = rows_.begin();
1537 for (--rit; rit != begin && rit->pos() > pos; --rit)
1544 Row const & Paragraph::getRow(pos_type pos, bool boundary) const
1546 BOOST_ASSERT(!rows().empty());
1548 // If boundary is set we should return the row on which
1549 // the character before is inside.
1550 if (pos > 0 && boundary)
1553 RowList::const_iterator rit = rows_.end();
1554 RowList::const_iterator const begin = rows_.begin();
1556 for (--rit; rit != begin && rit->pos() > pos; --rit)
1563 size_t Paragraph::pos2row(pos_type pos) const
1565 BOOST_ASSERT(!rows().empty());
1567 RowList::const_iterator rit = rows_.end();
1568 RowList::const_iterator const begin = rows_.begin();
1570 for (--rit; rit != begin && rit->pos() > pos; --rit)
1577 char_type Paragraph::transformChar(char_type c, pos_type pos) const
1579 if (!Encodings::is_arabic(c))
1580 if (lyxrc.font_norm_type == LyXRC::ISO_8859_6_8 && isDigit(c))
1581 // FIXME UNICODE What does this do?
1582 return c + (0xb0 - '0');
1586 value_type const prev_char = pos > 0 ? getChar(pos - 1) : ' ';
1587 value_type next_char = ' ';
1589 for (pos_type i = pos + 1, end = size(); i < end; ++i) {
1590 value_type const par_char = getChar(i);
1591 if (!Encodings::isComposeChar_arabic(par_char)) {
1592 next_char = par_char;
1597 if (Encodings::is_arabic(next_char)) {
1598 if (Encodings::is_arabic(prev_char) &&
1599 !Encodings::is_arabic_special(prev_char))
1600 return Encodings::transformChar(c, Encodings::FORM_MEDIAL);
1602 return Encodings::transformChar(c, Encodings::FORM_INITIAL);
1604 if (Encodings::is_arabic(prev_char) &&
1605 !Encodings::is_arabic_special(prev_char))
1606 return Encodings::transformChar(c, Encodings::FORM_FINAL);
1608 return Encodings::transformChar(c, Encodings::FORM_ISOLATED);
1613 void Paragraph::dump() const
1615 lyxerr << "Paragraph::dump: rows.size(): " << rows_.size() << endl;
1616 for (size_t i = 0; i != rows_.size(); ++i) {
1617 lyxerr << " row " << i << ": ";
1623 bool Paragraph::hfillExpansion(Row const & row, pos_type pos) const
1628 // at the end of a row it does not count
1629 // unless another hfill exists on the line
1630 if (pos >= row.endpos()) {
1631 for (pos_type i = row.pos(); i < pos && !isHfill(i); ++i)
1635 // at the beginning of a row it does not count, if it is not
1636 // the first row of a paragaph
1640 // in some labels it does not count
1641 if (layout()->margintype != MARGIN_MANUAL && pos < beginOfBody())
1644 // if there is anything between the first char of the row and
1645 // the specified position that is not a newline and not a hfill,
1646 // the hfill will count, otherwise not
1647 pos_type i = row.pos();
1648 while (i < pos && (isNewline(i) || isHfill(i)))