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"
33 #include "outputparams.h"
34 #include "paragraph_funcs.h"
35 #include "ParagraphList_fwd.h"
40 #include "insets/insetbibitem.h"
41 #include "insets/insetoptarg.h"
43 #include "support/lstrings.h"
44 #include "support/std_sstream.h"
45 #include "support/textutils.h"
46 #include "support/tostr.h"
48 #include <boost/tuple/tuple.hpp>
49 #include <boost/bind.hpp>
56 using lyx::support::contains;
57 using lyx::support::subst;
65 using std::ostringstream;
68 ParagraphList::ParagraphList()
72 Paragraph::Paragraph()
73 : y(0), height(0), begin_of_body_(0),
74 pimpl_(new Paragraph::Pimpl(this))
76 //lyxerr << "sizeof Paragraph::Pimpl: " << sizeof(Paragraph::Pimpl) << endl;
82 Paragraph::Paragraph(Paragraph const & par)
83 : itemdepth(par.itemdepth), insetlist(par.insetlist),
84 rows(par.rows), y(par.y), height(par.height),
85 width(par.width), layout_(par.layout_),
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();
113 layout_ = par.layout();
115 begin_of_body_ = par.begin_of_body_;
118 pimpl_ = new Pimpl(*par.pimpl_, this);
124 Paragraph::~Paragraph()
128 //lyxerr << "Paragraph::paragraph_id = "
129 // << Paragraph::paragraph_id << endl;
133 void Paragraph::write(Buffer const & buf, ostream & os,
134 BufferParams const & bparams,
135 depth_type & dth) const
137 // The beginning or end of a deeper (i.e. nested) area?
138 if (dth != params().depth()) {
139 if (params().depth() > dth) {
140 while (params().depth() > dth) {
141 os << "\n\\begin_deeper ";
145 while (params().depth() < dth) {
146 os << "\n\\end_deeper ";
152 // First write the layout
153 os << "\n\\begin_layout " << layout()->name() << '\n';
157 LyXFont font1(LyXFont::ALL_INHERIT, bparams.language);
159 Change running_change = Change(Change::UNCHANGED);
160 lyx::time_type const curtime(lyx::current_time());
163 for (pos_type i = 0; i < size(); ++i) {
169 Change change = pimpl_->lookupChangeFull(i);
170 Changes::lyxMarkChange(os, column, curtime, running_change, change);
171 running_change = change;
173 // Write font changes
174 LyXFont font2 = getFontSettings(bparams, i);
175 if (font2 != font1) {
176 font2.lyxWriteChanges(font1, os);
181 value_type const c = getChar(i);
185 InsetBase const * inset = getInset(i);
187 if (inset->directWrite()) {
188 // international char, let it write
189 // code directly so it's shorter in
191 inset->write(buf, os);
193 os << "\n\\begin_inset ";
194 inset->write(buf, os);
195 os << "\n\\end_inset \n\n";
201 os << "\n\\backslash \n";
205 if (i + 1 < size() && getChar(i + 1) == ' ') {
212 if ((column > 70 && c == ' ')
217 // this check is to amend a bug. LyX sometimes
218 // inserts '\0' this could cause problems.
222 lyxerr << "ERROR (Paragraph::writeFile):"
223 " NULL char in structure." << endl;
229 // to make reading work properly
231 running_change = pimpl_->lookupChange(0);
232 Changes::lyxMarkChange(os, column, curtime,
233 Change(Change::UNCHANGED), running_change);
235 Changes::lyxMarkChange(os, column, curtime,
236 running_change, Change(Change::UNCHANGED));
238 os << "\n\\end_layout\n";
242 void Paragraph::validate(LaTeXFeatures & features) const
244 pimpl_->validate(features, *layout());
248 void Paragraph::eraseIntern(lyx::pos_type pos)
250 pimpl_->eraseIntern(pos);
254 bool Paragraph::erase(pos_type pos)
256 return pimpl_->erase(pos);
260 int Paragraph::erase(pos_type start, pos_type end)
262 return pimpl_->erase(start, end);
266 void Paragraph::insert(pos_type start, string const & str,
267 LyXFont const & font)
269 int size = str.size();
270 for (int i = 0 ; i < size ; ++i)
271 insertChar(start + i, str[i], font);
275 bool Paragraph::checkInsertChar(LyXFont &)
281 void Paragraph::insertChar(pos_type pos, Paragraph::value_type c)
283 insertChar(pos, c, LyXFont(LyXFont::ALL_INHERIT));
287 void Paragraph::insertChar(pos_type pos, Paragraph::value_type c,
288 LyXFont const & font, Change change)
290 pimpl_->insertChar(pos, c, font, change);
294 void Paragraph::insertInset(pos_type pos, InsetBase * inset)
296 insertInset(pos, inset, LyXFont(LyXFont::ALL_INHERIT));
300 void Paragraph::insertInset(pos_type pos, InsetBase * inset,
301 LyXFont const & font, Change change)
303 pimpl_->insertInset(pos, inset, font, change);
307 bool Paragraph::insetAllowed(InsetOld_code code)
309 //lyxerr << "Paragraph::InsertInsetAllowed" << endl;
310 if (pimpl_->inset_owner)
311 return pimpl_->inset_owner->insetAllowed(code);
316 InsetBase * Paragraph::getInset(pos_type pos)
318 BOOST_ASSERT(pos < size());
319 return insetlist.get(pos);
323 InsetBase const * Paragraph::getInset(pos_type pos) const
325 BOOST_ASSERT(pos < size());
326 return insetlist.get(pos);
330 // Gets uninstantiated font setting at position.
331 LyXFont const Paragraph::getFontSettings(BufferParams const & bparams,
335 lyxerr << " pos: " << pos << " size: " << size() << endl;
336 BOOST_ASSERT(pos <= size());
339 Pimpl::FontList::const_iterator cit = pimpl_->fontlist.begin();
340 Pimpl::FontList::const_iterator end = pimpl_->fontlist.end();
341 for (; cit != end; ++cit)
342 if (cit->pos() >= pos)
348 if (pos == size() && !empty())
349 return getFontSettings(bparams, pos - 1);
351 return LyXFont(LyXFont::ALL_INHERIT, getParLanguage(bparams));
355 lyx::pos_type Paragraph::getEndPosOfFontSpan(lyx::pos_type pos) const
357 BOOST_ASSERT(pos <= size());
359 Pimpl::FontList::const_iterator cit = pimpl_->fontlist.begin();
360 Pimpl::FontList::const_iterator end = pimpl_->fontlist.end();
361 for (; cit != end; ++cit)
362 if (cit->pos() >= pos)
365 // This should not happen, but if so, we take no chances.
366 //lyxerr << "Paragraph::getEndPosOfFontSpan: This should not happen!"
372 // Gets uninstantiated font setting at position 0
373 LyXFont const Paragraph::getFirstFontSettings() const
375 if (!empty() && !pimpl_->fontlist.empty())
376 return pimpl_->fontlist[0].font();
378 return LyXFont(LyXFont::ALL_INHERIT);
382 // Gets the fully instantiated font at a given position in a paragraph
383 // This is basically the same function as LyXText::GetFont() in text2.C.
384 // The difference is that this one is used for generating the LaTeX file,
385 // and thus cosmetic "improvements" are disallowed: This has to deliver
386 // the true picture of the buffer. (Asger)
387 LyXFont const Paragraph::getFont(BufferParams const & bparams, pos_type pos,
388 LyXFont const & outerfont) const
390 BOOST_ASSERT(pos >= 0);
392 LyXLayout_ptr const & lout = layout();
394 pos_type const body_pos = beginOfBody();
398 layoutfont = lout->labelfont;
400 layoutfont = lout->font;
402 LyXFont font = getFontSettings(bparams, pos);
403 font.realize(layoutfont);
404 font.realize(outerfont);
405 font.realize(bparams.getLyXTextClass().defaultfont());
411 LyXFont const Paragraph::getLabelFont(BufferParams const & bparams,
412 LyXFont const & outerfont) const
414 LyXFont tmpfont = layout()->labelfont;
415 tmpfont.setLanguage(getParLanguage(bparams));
416 tmpfont.realize(outerfont);
417 tmpfont.realize(bparams.getLyXTextClass().defaultfont());
422 LyXFont const Paragraph::getLayoutFont(BufferParams const & bparams,
423 LyXFont const & outerfont) const
425 LyXFont tmpfont = layout()->font;
426 tmpfont.setLanguage(getParLanguage(bparams));
427 tmpfont.realize(outerfont);
428 tmpfont.realize(bparams.getLyXTextClass().defaultfont());
433 /// Returns the height of the highest font in range
435 Paragraph::highestFontInRange(pos_type startpos, pos_type endpos,
436 LyXFont_size def_size) const
438 if (pimpl_->fontlist.empty())
441 Pimpl::FontList::const_iterator end_it = pimpl_->fontlist.begin();
442 Pimpl::FontList::const_iterator const end = pimpl_->fontlist.end();
443 for (; end_it != end; ++end_it) {
444 if (end_it->pos() >= endpos)
451 Pimpl::FontList::const_iterator cit = pimpl_->fontlist.begin();
452 for (; cit != end; ++cit) {
453 if (cit->pos() >= startpos)
457 LyXFont::FONT_SIZE maxsize = LyXFont::SIZE_TINY;
458 for (; cit != end_it; ++cit) {
459 LyXFont::FONT_SIZE size = cit->font().size();
460 if (size == LyXFont::INHERIT_SIZE)
462 if (size > maxsize && size <= LyXFont::SIZE_HUGER)
469 Paragraph::value_type
470 Paragraph::getUChar(BufferParams const & bparams, pos_type pos) const
472 value_type c = getChar(pos);
473 if (!lyxrc.rtl_support)
503 if (uc != c && getFontSettings(bparams, pos).isRightToLeft())
510 void Paragraph::setFont(pos_type pos, LyXFont const & font)
512 BOOST_ASSERT(pos <= size());
514 // First, reduce font against layout/label font
515 // Update: The setCharFont() routine in text2.C already
516 // reduces font, so we don't need to do that here. (Asger)
517 // No need to simplify this because it will disappear
518 // in a new kernel. (Asger)
519 // Next search font table
521 Pimpl::FontList::iterator beg = pimpl_->fontlist.begin();
522 Pimpl::FontList::iterator it = beg;
523 Pimpl::FontList::iterator endit = pimpl_->fontlist.end();
524 for (; it != endit; ++it) {
525 if (it->pos() >= pos)
528 unsigned int i = distance(beg, it);
529 bool notfound = (it == endit);
531 if (!notfound && pimpl_->fontlist[i].font() == font)
534 bool begin = pos == 0 || notfound ||
535 (i > 0 && pimpl_->fontlist[i - 1].pos() == pos - 1);
536 // Is position pos is a beginning of a font block?
537 bool end = !notfound && pimpl_->fontlist[i].pos() == pos;
538 // Is position pos is the end of a font block?
539 if (begin && end) { // A single char block
540 if (i + 1 < pimpl_->fontlist.size() &&
541 pimpl_->fontlist[i + 1].font() == font) {
542 // Merge the singleton block with the next block
543 pimpl_->fontlist.erase(pimpl_->fontlist.begin() + i);
544 if (i > 0 && pimpl_->fontlist[i - 1].font() == font)
545 pimpl_->fontlist.erase(pimpl_->fontlist.begin() + i - 1);
546 } else if (i > 0 && pimpl_->fontlist[i - 1].font() == font) {
547 // Merge the singleton block with the previous block
548 pimpl_->fontlist[i - 1].pos(pos);
549 pimpl_->fontlist.erase(pimpl_->fontlist.begin() + i);
551 pimpl_->fontlist[i].font(font);
553 if (i > 0 && pimpl_->fontlist[i - 1].font() == font)
554 pimpl_->fontlist[i - 1].pos(pos);
556 pimpl_->fontlist.insert(pimpl_->fontlist.begin() + i,
557 Pimpl::FontTable(pos, font));
559 pimpl_->fontlist[i].pos(pos - 1);
560 if (!(i + 1 < pimpl_->fontlist.size() &&
561 pimpl_->fontlist[i + 1].font() == font))
562 pimpl_->fontlist.insert(pimpl_->fontlist.begin() + i + 1,
563 Pimpl::FontTable(pos, font));
564 } else { // The general case. The block is splitted into 3 blocks
565 pimpl_->fontlist.insert(pimpl_->fontlist.begin() + i,
566 Pimpl::FontTable(pos - 1, pimpl_->fontlist[i].font()));
567 pimpl_->fontlist.insert(pimpl_->fontlist.begin() + i + 1,
568 Pimpl::FontTable(pos, font));
573 void Paragraph::makeSameLayout(Paragraph const & par)
575 layout(par.layout());
577 params() = par.params();
581 int Paragraph::stripLeadingSpaces()
587 while (!empty() && (isNewline(0) || isLineSeparator(0))) {
588 pimpl_->eraseIntern(0);
596 bool Paragraph::hasSameLayout(Paragraph const & par) const
598 return par.layout() == layout() && params().sameLayout(par.params());
602 Paragraph::depth_type Paragraph::getDepth() const
604 return params().depth();
608 Paragraph::depth_type Paragraph::getMaxDepthAfter() const
610 if (layout()->isEnvironment())
611 return params().depth() + 1;
613 return params().depth();
617 char Paragraph::getAlign() const
619 return params().align();
623 string const & Paragraph::getLabelstring() const
625 return params().labelString();
629 // the next two functions are for the manual labels
630 string const Paragraph::getLabelWidthString() const
632 if (!params().labelWidthString().empty())
633 return params().labelWidthString();
635 return _("Senseless with this layout!");
639 void Paragraph::setLabelWidthString(string const & s)
641 params().labelWidthString(s);
645 void Paragraph::applyLayout(LyXLayout_ptr const & new_layout)
648 params().labelWidthString(string());
649 params().align(LYX_ALIGN_LAYOUT);
650 params().spacing(Spacing(Spacing::Default));
654 pos_type Paragraph::beginOfBody() const
656 return begin_of_body_;
660 void Paragraph::setBeginOfBody()
662 if (layout()->labeltype != LABEL_MANUAL) {
667 // Unroll the first two cycles of the loop
668 // and remember the previous character to
669 // remove unnecessary getChar() calls
671 pos_type end = size();
672 if (i < end && !isNewline(i)) {
674 char previous_char = 0;
677 previous_char = text_[i];
680 while (i < end && previous_char != ' ') {
685 previous_char = temp;
695 // returns -1 if inset not found
696 int Paragraph::getPositionOfInset(InsetBase const * inset) const
699 InsetList::const_iterator it = insetlist.begin();
700 InsetList::const_iterator end = insetlist.end();
701 for (; it != end; ++it)
702 if (it->inset == inset)
708 InsetBibitem * Paragraph::bibitem() const
710 if (!insetlist.empty()) {
711 InsetBase * inset = insetlist.begin()->inset;
712 if (inset->lyxCode() == InsetBase::BIBTEX_CODE)
713 return static_cast<InsetBibitem *>(inset);
721 // paragraphs inside floats need different alignment tags to avoid
724 bool noTrivlistCentering(UpdatableInset const * inset)
727 InsetBase::Code const code = inset->lyxCode();
728 return code == InsetBase::FLOAT_CODE ||
729 code == InsetBase::WRAP_CODE;
735 string correction(string const & orig)
737 if (orig == "flushleft")
738 return "raggedright";
739 if (orig == "flushright")
741 if (orig == "center")
747 string const corrected_env(string const & suffix, string const & env,
748 UpdatableInset const * inset)
750 string output = suffix + "{";
751 if (noTrivlistCentering(inset))
752 output += correction(env);
761 // This could go to ParagraphParameters if we want to
762 int Paragraph::startTeXParParams(BufferParams const & bparams,
763 ostream & os, bool moving_arg) const
767 if (params().noindent()) {
772 switch (params().align()) {
774 case LYX_ALIGN_BLOCK:
775 case LYX_ALIGN_LAYOUT:
776 case LYX_ALIGN_SPECIAL:
779 case LYX_ALIGN_RIGHT:
780 case LYX_ALIGN_CENTER:
788 switch (params().align()) {
790 case LYX_ALIGN_BLOCK:
791 case LYX_ALIGN_LAYOUT:
792 case LYX_ALIGN_SPECIAL:
794 case LYX_ALIGN_LEFT: {
796 UpdatableInset const * const inset = pimpl_->inset_owner;
797 if (getParLanguage(bparams)->babel() != "hebrew")
798 output = corrected_env("\\begin", "flushleft", inset);
800 output = corrected_env("\\begin", "flushright", inset);
802 column += output.size();
804 } case LYX_ALIGN_RIGHT: {
806 UpdatableInset const * const inset = pimpl_->inset_owner;
807 if (getParLanguage(bparams)->babel() != "hebrew")
808 output = corrected_env("\\begin", "flushright", inset);
810 output = corrected_env("\\begin", "flushleft", inset);
812 column += output.size();
814 } case LYX_ALIGN_CENTER: {
816 output = corrected_env("\\begin", "center", pimpl_->inset_owner);
818 column += output.size();
827 // This could go to ParagraphParameters if we want to
828 int Paragraph::endTeXParParams(BufferParams const & bparams,
829 ostream & os, bool moving_arg) const
833 switch (params().align()) {
835 case LYX_ALIGN_BLOCK:
836 case LYX_ALIGN_LAYOUT:
837 case LYX_ALIGN_SPECIAL:
840 case LYX_ALIGN_RIGHT:
841 case LYX_ALIGN_CENTER:
849 switch (params().align()) {
851 case LYX_ALIGN_BLOCK:
852 case LYX_ALIGN_LAYOUT:
853 case LYX_ALIGN_SPECIAL:
855 case LYX_ALIGN_LEFT: {
857 UpdatableInset const * const inset = pimpl_->inset_owner;
858 if (getParLanguage(bparams)->babel() != "hebrew")
859 output = corrected_env("\\par\\end", "flushleft", inset);
861 output = corrected_env("\\par\\end", "flushright", inset);
863 column += output.size();
865 } case LYX_ALIGN_RIGHT: {
867 UpdatableInset const * const inset = pimpl_->inset_owner;
868 if (getParLanguage(bparams)->babel() != "hebrew")
869 output = corrected_env("\\par\\end", "flushright", inset);
871 output = corrected_env("\\par\\end", "flushleft", inset);
873 column += output.size();
875 } case LYX_ALIGN_CENTER: {
877 output = corrected_env("\\par\\end", "center", pimpl_->inset_owner);
879 column += output.size();
888 // This one spits out the text of the paragraph
889 bool Paragraph::simpleTeXOnePar(Buffer const & buf,
890 BufferParams const & bparams,
891 LyXFont const & outerfont,
892 ostream & os, TexRow & texrow,
893 OutputParams const & runparams)
895 lyxerr[Debug::LATEX] << "SimpleTeXOnePar... " << this << endl;
897 bool return_value = false;
901 // well we have to check if we are in an inset with unlimited
902 // length (all in one row) if that is true then we don't allow
903 // any special options in the paragraph and also we don't allow
904 // any environment other then "Standard" to be valid!
906 (inInset() && inInset()->forceDefaultParagraphs(inInset()));
909 style = bparams.getLyXTextClass().defaultLayout();
916 // Maybe we have to create a optional argument.
917 pos_type body_pos = beginOfBody();
918 unsigned int column = 0;
923 basefont = getLabelFont(bparams, outerfont);
925 basefont = getLayoutFont(bparams, outerfont);
928 bool moving_arg = runparams.moving_arg;
929 moving_arg |= style->needprotect;
931 // Which font is currently active?
932 LyXFont running_font(basefont);
933 // Do we have an open font change?
934 bool open_font = false;
936 Change::Type running_change = Change::UNCHANGED;
938 texrow.start(id(), 0);
940 // if the paragraph is empty, the loop will not be entered at all
942 if (style->isCommand()) {
947 column += startTeXParParams(bparams, os, moving_arg);
950 for (pos_type i = 0; i < size(); ++i) {
952 // First char in paragraph or after label?
956 column += running_font.latexWriteEndChanges(os, basefont, basefont);
959 basefont = getLayoutFont(bparams, outerfont);
960 running_font = basefont;
964 if (style->isCommand()) {
970 column += startTeXParParams(bparams, os,
974 value_type c = getChar(i);
976 // Fully instantiated font
977 LyXFont font = getFont(bparams, i, outerfont);
979 LyXFont const last_font = running_font;
981 // Spaces at end of font change are simulated to be
982 // outside font change, i.e. we write "\textXX{text} "
983 // rather than "\textXX{text }". (Asger)
984 if (open_font && c == ' ' && i <= size() - 2) {
985 LyXFont const & next_font = getFont(bparams, i + 1, outerfont);
986 if (next_font != running_font && next_font != font) {
991 // We end font definition before blanks
993 (font != running_font ||
994 font.language() != running_font.language()))
996 column += running_font.latexWriteEndChanges(os,
998 (i == body_pos-1) ? basefont : font);
999 running_font = basefont;
1003 // Blanks are printed before start of fontswitch
1005 // Do not print the separation of the optional argument
1006 if (i != body_pos - 1) {
1007 pimpl_->simpleTeXBlanks(os, texrow, i,
1008 column, font, *style);
1012 // Do we need to change font?
1013 if ((font != running_font ||
1014 font.language() != running_font.language()) &&
1017 column += font.latexWriteStartChanges(os, basefont,
1019 running_font = font;
1023 Change::Type change = pimpl_->lookupChange(i);
1025 column += Changes::latexMarkChange(os, running_change, change);
1026 running_change = change;
1028 OutputParams rp = runparams;
1029 rp.moving_arg = moving_arg;
1030 rp.free_spacing = style->free_spacing;
1031 pimpl_->simpleTeXSpecialChars(buf, bparams,
1032 os, texrow, runparams,
1034 basefont, outerfont, open_font,
1036 *style, i, column, c);
1039 column += Changes::latexMarkChange(os,
1040 running_change, Change::UNCHANGED);
1042 // If we have an open font definition, we have to close it
1044 #ifdef FIXED_LANGUAGE_END_DETECTION
1047 .latexWriteEndChanges(os, basefont,
1048 next_->getFont(bparams,
1051 running_font.latexWriteEndChanges(os, basefont,
1055 #ifdef WITH_WARNINGS
1056 //#warning For now we ALWAYS have to close the foreign font settings if they are
1057 //#warning there as we start another \selectlanguage with the next paragraph if
1058 //#warning we are in need of this. This should be fixed sometime (Jug)
1060 running_font.latexWriteEndChanges(os, basefont, basefont);
1064 // Needed if there is an optional argument but no contents.
1065 if (body_pos > 0 && body_pos == size()) {
1067 return_value = false;
1071 column += endTeXParParams(bparams, os, moving_arg);
1074 lyxerr[Debug::LATEX] << "SimpleTeXOnePar...done " << this << endl;
1075 return return_value;
1081 // checks, if newcol chars should be put into this line
1082 // writes newline, if necessary.
1083 void sgmlLineBreak(ostream & os, string::size_type & colcount,
1084 string::size_type newcol)
1087 if (colcount > lyxrc.ascii_linelen) {
1089 colcount = newcol; // assume write after this call
1104 string tag_name(PAR_TAG const & pt) {
1106 case PAR_NONE: return "!-- --";
1107 case TT: return "tt";
1108 case SF: return "sf";
1109 case BF: return "bf";
1110 case IT: return "it";
1111 case SL: return "sl";
1112 case EM: return "em";
1119 void operator|=(PAR_TAG & p1, PAR_TAG const & p2)
1121 p1 = static_cast<PAR_TAG>(p1 | p2);
1126 void reset(PAR_TAG & p1, PAR_TAG const & p2)
1128 p1 = static_cast<PAR_TAG>(p1 & ~p2);
1134 // Handle internal paragraph parsing -- layout already processed.
1135 void Paragraph::simpleLinuxDocOnePar(Buffer const & buf,
1137 LyXFont const & outerfont,
1138 OutputParams const & runparams,
1139 lyx::depth_type /*depth*/) const
1141 LyXLayout_ptr const & style = layout();
1143 string::size_type char_line_count = 5; // Heuristic choice ;-)
1145 // gets paragraph main font
1148 if (style->labeltype == LABEL_MANUAL) {
1149 font_old = style->labelfont;
1152 font_old = style->font;
1156 LyXFont::FONT_FAMILY family_type = LyXFont::ROMAN_FAMILY;
1157 LyXFont::FONT_SERIES series_type = LyXFont::MEDIUM_SERIES;
1158 LyXFont::FONT_SHAPE shape_type = LyXFont::UP_SHAPE;
1161 stack<PAR_TAG> tag_state;
1162 // parsing main loop
1163 for (pos_type i = 0; i < size(); ++i) {
1165 PAR_TAG tag_close = PAR_NONE;
1166 list < PAR_TAG > tag_open;
1168 LyXFont const font = getFont(buf.params(), i, outerfont);
1170 if (font_old.family() != font.family()) {
1171 switch (family_type) {
1172 case LyXFont::SANS_FAMILY:
1175 case LyXFont::TYPEWRITER_FAMILY:
1182 family_type = font.family();
1184 switch (family_type) {
1185 case LyXFont::SANS_FAMILY:
1186 tag_open.push_back(SF);
1188 case LyXFont::TYPEWRITER_FAMILY:
1189 tag_open.push_back(TT);
1196 if (font_old.series() != font.series()) {
1197 switch (series_type) {
1198 case LyXFont::BOLD_SERIES:
1205 series_type = font.series();
1207 switch (series_type) {
1208 case LyXFont::BOLD_SERIES:
1209 tag_open.push_back(BF);
1217 if (font_old.shape() != font.shape()) {
1218 switch (shape_type) {
1219 case LyXFont::ITALIC_SHAPE:
1222 case LyXFont::SLANTED_SHAPE:
1229 shape_type = font.shape();
1231 switch (shape_type) {
1232 case LyXFont::ITALIC_SHAPE:
1233 tag_open.push_back(IT);
1235 case LyXFont::SLANTED_SHAPE:
1236 tag_open.push_back(SL);
1243 if (font_old.emph() != font.emph()) {
1244 if (font.emph() == LyXFont::ON) {
1245 tag_open.push_back(EM);
1254 list < PAR_TAG > temp;
1255 while (!tag_state.empty() && tag_close) {
1256 PAR_TAG k = tag_state.top();
1258 os << "</" << tag_name(k) << '>';
1265 for(list< PAR_TAG >::const_iterator j = temp.begin();
1266 j != temp.end(); ++j) {
1268 os << '<' << tag_name(*j) << '>';
1271 for(list< PAR_TAG >::const_iterator j = tag_open.begin();
1272 j != tag_open.end(); ++j) {
1274 os << '<' << tag_name(*j) << '>';
1277 char c = getChar(i);
1280 if (c == Paragraph::META_INSET) {
1281 getInset(i)->linuxdoc(buf, os, runparams);
1286 if (style->latexparam() == "CDATA") {
1287 // "TeX"-Mode on == > SGML-Mode on.
1294 boost::tie(ws, str) = sgml::escapeChar(c);
1295 if (ws && !isFreeSpacing()) {
1296 // in freespacing mode, spaces are
1297 // non-breaking characters
1298 if (desc_on) { // if char is ' ' then...
1300 sgmlLineBreak(os, char_line_count, 6);
1304 sgmlLineBreak(os, char_line_count, 1);
1309 char_line_count += str.length();
1315 while (!tag_state.empty()) {
1316 os << "</" << tag_name(tag_state.top()) << '>';
1320 // resets description flag correctly
1322 // <tag> not closed...
1323 sgmlLineBreak(os, char_line_count, 6);
1329 void Paragraph::simpleDocBookOnePar(Buffer const & buf,
1331 LyXFont const & outerfont,
1332 OutputParams const & runparams,
1333 lyx::depth_type depth,
1336 bool emph_flag = false;
1338 LyXLayout_ptr const & style = layout();
1339 LyXLayout_ptr const & defaultstyle =
1340 buf.params().getLyXTextClass().defaultLayout();
1343 style->labeltype == LABEL_MANUAL ? style->labelfont : style->font;
1345 int char_line_count = depth;
1346 bool label_closed = true;
1347 bool para_closed = true;
1349 if (style->latextype == LATEX_ITEM_ENVIRONMENT) {
1351 Counters & counters = buf.params().getLyXTextClass().counters();
1352 if (!style->free_spacing)
1353 os << string(depth,' ');
1354 if (!style->labeltag().empty()) {
1355 os << "<" << style->labeltag() << ">\n";
1356 label_closed = false;
1358 if (!defaultstyle->latexparam().empty()) {
1359 counters.step("para");
1360 ls = tostr(counters.value("para"));
1362 + subst(defaultstyle->latexparam(), "#", ls) + '"';
1364 os << "<" << style->itemtag() << ">\n"
1365 << string(depth, ' ') << "<"
1366 << defaultstyle->latexname() << ls << ">\n";
1367 para_closed = false;
1371 // parsing main loop
1372 for (pos_type i = 0; i < size(); ++i) {
1373 LyXFont font = getFont(buf.params(), i, outerfont);
1375 // handle <emphasis> tag
1376 if (font_old.emph() != font.emph()) {
1377 if (font.emph() == LyXFont::ON) {
1378 if (style->latexparam() == "CDATA")
1381 if (style->latexparam() == "CDATA")
1385 if (style->latexparam() == "CDATA")
1387 os << "</emphasis>";
1388 if (style->latexparam() == "CDATA")
1395 InsetBase const * inset = getInset(i);
1396 // don't print the inset in position 0 if desc_on == 3 (label)
1397 //if (i || desc_on != 3) {
1399 if (style->latexparam() == "CDATA")
1401 inset->docbook(buf, os, runparams);
1402 if (style->latexparam() == "CDATA")
1406 char c = getChar(i);
1409 boost::tie(ws, str) = sgml::escapeChar(c);
1411 if (style->pass_thru) {
1413 } else if (isFreeSpacing() || c != ' ') {
1415 } else if (!style->labeltag().empty() && !label_closed) {
1417 os << "\n</" << style->labeltag() << "><"
1418 << style->itemtag() << "><"
1419 << defaultstyle->latexname() << ">";
1420 label_closed = true;
1421 para_closed = false;
1430 if (style->latexparam() == "CDATA")
1432 os << "</emphasis>";
1433 if (style->latexparam() == "CDATA")
1437 // resets description flag correctly
1438 if (!label_closed) {
1439 // <term> not closed...
1440 os << "</" << style->labeltag() << ">\n<"
1441 << style->itemtag() << "><"
1442 << defaultstyle->latexname() << "> ";
1445 os << "\n" << string(depth, ' ') << "</"
1446 << defaultstyle->latexname() << ">\n";
1448 if (style->free_spacing)
1455 /// return true if the char is a meta-character for an inset
1457 bool IsInsetChar(char c)
1459 return (c == Paragraph::META_INSET);
1466 bool Paragraph::isHfill(pos_type pos) const
1469 isInset(pos) && getInset(pos)->lyxCode() == InsetBase::HFILL_CODE;
1473 bool Paragraph::isNewline(pos_type pos) const
1476 isInset(pos) && getInset(pos)->lyxCode() == InsetBase::NEWLINE_CODE;
1480 bool Paragraph::isSeparator(pos_type pos) const
1482 return IsSeparatorChar(getChar(pos));
1486 bool Paragraph::isLineSeparator(pos_type pos) const
1488 value_type const c = getChar(pos);
1489 return IsLineSeparatorChar(c)
1490 || (IsInsetChar(c) && getInset(pos) &&
1491 getInset(pos)->isLineSeparator());
1495 bool Paragraph::isKomma(pos_type pos) const
1497 return IsKommaChar(getChar(pos));
1501 /// Used by the spellchecker
1502 bool Paragraph::isLetter(pos_type pos) const
1504 value_type const c = getChar(pos);
1505 if (IsLetterChar(c))
1508 return getInset(pos)->isLetter();
1509 // We want to pass the ' and escape chars to ispell
1510 string const extra = lyxrc.isp_esc_chars + '\'';
1511 return contains(extra, c);
1515 bool Paragraph::isWord(pos_type pos) const
1517 unsigned char const c = getChar(pos);
1518 return !(IsSeparatorChar(c)
1525 Paragraph::getParLanguage(BufferParams const & bparams) const
1528 return getFirstFontSettings().language();
1529 #warning FIXME we should check the prev par as well (Lgb)
1530 return bparams.language;
1534 bool Paragraph::isRightToLeftPar(BufferParams const & bparams) const
1536 return lyxrc.rtl_support
1537 && getParLanguage(bparams)->RightToLeft()
1538 && !(inInset() && inInset()->lyxCode() == InsetBase::ERT_CODE);
1542 void Paragraph::changeLanguage(BufferParams const & bparams,
1543 Language const * from, Language const * to)
1545 for (pos_type i = 0; i < size(); ++i) {
1546 LyXFont font = getFontSettings(bparams, i);
1547 if (font.language() == from) {
1548 font.setLanguage(to);
1555 bool Paragraph::isMultiLingual(BufferParams const & bparams) const
1557 Language const * doc_language = bparams.language;
1558 Pimpl::FontList::const_iterator cit = pimpl_->fontlist.begin();
1559 Pimpl::FontList::const_iterator end = pimpl_->fontlist.end();
1561 for (; cit != end; ++cit)
1562 if (cit->font().language() != ignore_language &&
1563 cit->font().language() != latex_language &&
1564 cit->font().language() != doc_language)
1570 // Convert the paragraph to a string.
1571 // Used for building the table of contents
1572 string const Paragraph::asString(Buffer const & buffer,
1575 OutputParams runparams;
1576 return asString(buffer, runparams, label);
1580 string const Paragraph::asString(Buffer const & buffer,
1581 OutputParams const & runparams,
1586 if (label && !params().labelString().empty())
1587 s += params().labelString() + ' ';
1589 for (pos_type i = 0; i < size(); ++i) {
1590 value_type c = getChar(i);
1593 else if (c == META_INSET &&
1594 getInset(i)->lyxCode() == InsetBase::MATH_CODE) {
1596 getInset(i)->plaintext(buffer, os, runparams);
1597 s += subst(STRCONV(os.str()),'\n',' ');
1603 // This should really be done by the caller and not here.
1604 string ret = asString(buffer, runparams, 0, size(), label);
1605 return subst(ret, '\n', ' ');
1610 string const Paragraph::asString(Buffer const & buffer,
1611 pos_type beg, pos_type end, bool label) const
1614 OutputParams const runparams;
1615 return asString(buffer, runparams, beg, end, label);
1619 string const Paragraph::asString(Buffer const & buffer,
1620 OutputParams const & runparams,
1621 pos_type beg, pos_type end, bool label) const
1625 if (beg == 0 && label && !params().labelString().empty())
1626 os << params().labelString() << ' ';
1628 for (pos_type i = beg; i < end; ++i) {
1629 value_type const c = getUChar(buffer.params(), i);
1632 else if (c == META_INSET)
1633 getInset(i)->plaintext(buffer, os, runparams);
1640 void Paragraph::setInsetOwner(UpdatableInset * inset)
1642 pimpl_->inset_owner = inset;
1646 void Paragraph::setContentsFromPar(Paragraph const & par)
1648 pimpl_->setContentsFromPar(par);
1652 void Paragraph::trackChanges(Change::Type type)
1654 pimpl_->trackChanges(type);
1658 void Paragraph::untrackChanges()
1660 pimpl_->untrackChanges();
1664 void Paragraph::cleanChanges()
1666 pimpl_->cleanChanges();
1670 Change::Type Paragraph::lookupChange(lyx::pos_type pos) const
1672 BOOST_ASSERT(!size() || pos < size());
1673 return pimpl_->lookupChange(pos);
1677 Change const Paragraph::lookupChangeFull(lyx::pos_type pos) const
1679 BOOST_ASSERT(!size() || pos < size());
1680 return pimpl_->lookupChangeFull(pos);
1684 bool Paragraph::isChanged(pos_type start, pos_type end) const
1686 return pimpl_->isChanged(start, end);
1690 bool Paragraph::isChangeEdited(pos_type start, pos_type end) const
1692 return pimpl_->isChangeEdited(start, end);
1696 void Paragraph::setChange(lyx::pos_type pos, Change::Type type)
1698 pimpl_->setChange(pos, type);
1702 void Paragraph::markErased()
1704 pimpl_->markErased();
1708 void Paragraph::acceptChange(pos_type start, pos_type end)
1710 return pimpl_->acceptChange(start, end);
1714 void Paragraph::rejectChange(pos_type start, pos_type end)
1716 return pimpl_->rejectChange(start, end);
1720 Paragraph::value_type Paragraph::getChar(pos_type pos) const
1722 // This is in the critical path!
1723 pos_type const siz = text_.size();
1725 BOOST_ASSERT(0 <= pos);
1726 BOOST_ASSERT(pos <= siz);
1729 lyxerr << "getChar() on pos " << pos << " in par id "
1730 << id() << " of size " << siz
1731 << " is a bit silly !" << endl;
1732 BOOST_ASSERT(false);
1739 int Paragraph::id() const
1745 LyXLayout_ptr const & Paragraph::layout() const
1748 InsetBase * inset = inInset();
1749 if (inset && inset->lyxCode() == InsetBase::ENVIRONMENT_CODE)
1750 return static_cast<InsetEnvironment*>(inset)->layout();
1756 void Paragraph::layout(LyXLayout_ptr const & new_layout)
1758 layout_ = new_layout;
1762 UpdatableInset * Paragraph::inInset() const
1764 return pimpl_->inset_owner;
1768 void Paragraph::clearContents()
1774 void Paragraph::setChar(pos_type pos, value_type c)
1780 ParagraphParameters & Paragraph::params()
1782 return pimpl_->params;
1786 ParagraphParameters const & Paragraph::params() const
1788 return pimpl_->params;
1792 bool Paragraph::isFreeSpacing() const
1794 if (layout()->free_spacing)
1797 // for now we just need this, later should we need this in some
1798 // other way we can always add a function to InsetBase too.
1799 if (pimpl_->inset_owner)
1800 return pimpl_->inset_owner->lyxCode() == InsetBase::ERT_CODE;
1805 bool Paragraph::allowEmpty() const
1807 if (layout()->keepempty)
1809 if (pimpl_->inset_owner)
1810 return pimpl_->inset_owner->lyxCode() == InsetBase::ERT_CODE;
1815 RowList::iterator Paragraph::getRow(pos_type pos)
1817 RowList::iterator rit = rows.end();
1818 RowList::iterator const begin = rows.begin();
1820 for (--rit; rit != begin && rit->pos() > pos; --rit)
1827 RowList::const_iterator Paragraph::getRow(pos_type pos) const
1829 RowList::const_iterator rit = rows.end();
1830 RowList::const_iterator const begin = rows.begin();
1832 for (--rit; rit != begin && rit->pos() > pos; --rit)
1839 size_t Paragraph::row(pos_type pos) const
1841 RowList::const_iterator rit = rows.end();
1842 RowList::const_iterator const begin = rows.begin();
1844 for (--rit; rit != begin && rit->pos() > pos; --rit)
1851 unsigned char Paragraph::transformChar(unsigned char c, pos_type pos) const
1853 if (!Encodings::is_arabic(c))
1854 if (lyxrc.font_norm_type == LyXRC::ISO_8859_6_8 && IsDigit(c))
1855 return c + (0xb0 - '0');
1859 unsigned char const prev_char = pos > 0 ? getChar(pos - 1) : ' ';
1860 unsigned char next_char = ' ';
1862 for (pos_type i = pos + 1, end = size(); i < end; ++i) {
1863 unsigned char const par_char = getChar(i);
1864 if (!Encodings::IsComposeChar_arabic(par_char)) {
1865 next_char = par_char;
1870 if (Encodings::is_arabic(next_char)) {
1871 if (Encodings::is_arabic(prev_char) &&
1872 !Encodings::is_arabic_special(prev_char))
1873 return Encodings::TransformChar(c, Encodings::FORM_MEDIAL);
1875 return Encodings::TransformChar(c, Encodings::FORM_INITIAL);
1877 if (Encodings::is_arabic(prev_char) &&
1878 !Encodings::is_arabic_special(prev_char))
1879 return Encodings::TransformChar(c, Encodings::FORM_FINAL);
1881 return Encodings::TransformChar(c, Encodings::FORM_ISOLATED);