#include "paragraph_funcs.h"
-#include "buffer.h"
#include "bufferparams.h"
-
#include "debug.h"
-#include "encoding.h"
-#include "gettext.h"
-#include "language.h"
#include "lyxtext.h"
-#include "outputparams.h"
-#include "paragraph_pimpl.h"
-#include "pariterator.h"
-#include "sgml.h"
-#include "texrow.h"
-#include "vspace.h"
-
-#include "support/filetools.h"
-#include "support/lstrings.h"
-#include "support/lyxlib.h"
-
-#include <sstream>
-#include <vector>
-
-using lyx::pos_type;
-using lyx::par_type;
-
-using lyx::support::ascii_lowercase;
-using lyx::support::atoi;
-using lyx::support::bformat;
-using lyx::support::compare_ascii_no_case;
-using lyx::support::compare_no_case;
-using lyx::support::contains;
-using lyx::support::split;
-using lyx::support::subst;
-
-using std::auto_ptr;
-using std::endl;
-using std::string;
-using std::vector;
-using std::istringstream;
-using std::ostream;
-using std::pair;
+#include "paragraph.h"
+#include "ParagraphParameters.h"
+
+namespace lyx {
+
+using std::string;
+using std::endl;
-namespace {
-bool moveItem(Paragraph & from, Paragraph & to,
- BufferParams const & params, pos_type i, pos_type j)
+static bool moveItem(Paragraph & fromPar, pos_type fromPos,
+ Paragraph & toPar, pos_type toPos, BufferParams const & params)
{
- char const tmpchar = from.getChar(i);
- LyXFont tmpfont = from.getFontSettings(params, i);
-
- if (tmpchar == Paragraph::META_INSET) {
- InsetBase * tmpinset = 0;
- if (from.getInset(i)) {
- // the inset is not in a paragraph anymore
- tmpinset = from.insetlist.release(i);
- from.insetlist.erase(i);
+ // Note: moveItem() does not honour change tracking!
+ // Therefore, it should only be used for breaking and merging paragraphs
+
+ Paragraph::value_type const tmpChar = fromPar.getChar(fromPos);
+ LyXFont const tmpFont = fromPar.getFontSettings(params, fromPos);
+ Change const tmpChange = fromPar.lookupChange(fromPos);
+
+ if (tmpChar == Paragraph::META_INSET) {
+ InsetBase * tmpInset = 0;
+ if (fromPar.getInset(fromPos)) {
+ // the inset is not in the paragraph any more
+ tmpInset = fromPar.insetlist.release(fromPos);
}
- if (!to.insetAllowed(tmpinset->lyxCode())) {
- delete tmpinset;
+ fromPar.eraseChar(fromPos, false);
+
+ if (!toPar.insetAllowed(tmpInset->lyxCode())) {
+ delete tmpInset;
return false;
}
- if (tmpinset)
- to.insertInset(j, tmpinset, tmpfont);
+
+ toPar.insertInset(toPos, tmpInset, tmpFont, tmpChange);
} else {
- if (!to.checkInsertChar(tmpfont))
- return false;
- to.insertChar(j, tmpchar, tmpfont);
+ fromPar.eraseChar(fromPos, false);
+ toPar.insertChar(toPos, tmpChar, tmpFont, tmpChange);
}
- return true;
-}
+ return true;
}
void breakParagraph(BufferParams const & bparams,
- ParagraphList & pars, par_type par, pos_type pos, int flag)
+ ParagraphList & pars, pit_type par_offset, pos_type pos, int flag)
{
// create a new paragraph, and insert into the list
ParagraphList::iterator tmp =
- pars.insert(pars.begin() + par + 1, Paragraph());
+ pars.insert(boost::next(pars.begin(), par_offset + 1),
+ Paragraph());
+
+ Paragraph & par = pars[par_offset];
// without doing that we get a crash when typing <Return> at the
// end of a paragraph
tmp->layout(bparams.getLyXTextClass().defaultLayout());
// remember to set the inset_owner
- tmp->setInsetOwner(pars[par].inInset());
-
- if (bparams.tracking_changes)
- tmp->trackChanges();
-
- // this is an idea for a more userfriendly layout handling, I will
- // see what the users say
+ tmp->setInsetOwner(par.inInset());
// layout stays the same with latex-environments
if (flag) {
- tmp->layout(pars[par].layout());
- tmp->setLabelWidthString(pars[par].params().labelWidthString());
+ tmp->layout(par.layout());
+ tmp->setLabelWidthString(par.params().labelWidthString());
+ tmp->params().depth(par.params().depth());
+ } else if (par.params().depth() > 0) {
+ Paragraph const & hook = pars[outerHook(par_offset, pars)];
+ tmp->layout(hook.layout());
+ // not sure the line below is useful
+ tmp->setLabelWidthString(par.params().labelWidthString());
+ tmp->params().depth(hook.params().depth());
}
- bool const isempty = (pars[par].allowEmpty() && pars[par].empty());
+ bool const isempty = (par.allowEmpty() && par.empty());
- if (!isempty && (pars[par].size() > pos || pars[par].empty() || flag == 2)) {
- tmp->layout(pars[par].layout());
- tmp->params().align(pars[par].params().align());
- tmp->setLabelWidthString(pars[par].params().labelWidthString());
+ if (!isempty && (par.size() > pos || par.empty() || flag == 2)) {
+ tmp->layout(par.layout());
+ tmp->params().align(par.params().align());
+ tmp->setLabelWidthString(par.params().labelWidthString());
- tmp->params().depth(pars[par].params().depth());
- tmp->params().noindent(pars[par].params().noindent());
+ tmp->params().depth(par.params().depth());
+ tmp->params().noindent(par.params().noindent());
- // copy everything behind the break-position
+ // move everything behind the break position
// to the new paragraph
/* Note: if !keepempty, empty() == true, then we reach
* doesn't cause problems because both loops below
* enforce pos <= pos_end and 0 <= pos
*/
- pos_type pos_end = pars[par].size() - 1;
+ pos_type pos_end = par.size() - 1;
- for (pos_type i = pos, j = pos; i <= pos_end; ++i) {
- Change::Type change = pars[par].lookupChange(i);
- if (moveItem(pars[par], *tmp, bparams, i, j - pos)) {
- tmp->setChange(j - pos, change);
+ for (pos_type i = pos, j = 0; i <= pos_end; ++i) {
+ if (moveItem(par, pos, *tmp, j, bparams)) {
++j;
}
}
-
- for (pos_type i = pos_end; i >= pos; --i)
- pars[par].eraseIntern(i);
}
- if (pos)
- return;
+ // Move over the end-of-par change information
+ tmp->setChange(tmp->size(), par.lookupChange(par.size()));
+ par.setChange(par.size(), Change(bparams.trackChanges ?
+ Change::INSERTED : Change::UNCHANGED));
+
+ if (pos) {
+ // Make sure that we keep the language when
+ // breaking paragraph.
+ if (tmp->empty()) {
+ LyXFont changed = tmp->getFirstFontSettings(bparams);
+ LyXFont old = par.getFontSettings(bparams, par.size());
+ changed.setLanguage(old.language());
+ tmp->setFont(0, changed);
+ }
- pars[par].params().clear();
+ return;
+ }
- pars[par].layout(bparams.getLyXTextClass().defaultLayout());
+ if (!isempty) {
+ par.params().clear();
+ par.layout(bparams.getLyXTextClass().defaultLayout());
+ }
// layout stays the same with latex-environments
if (flag) {
- pars[par].layout(tmp->layout());
- pars[par].setLabelWidthString(tmp->params().labelWidthString());
- pars[par].params().depth(tmp->params().depth());
- }
-
- // subtle, but needed to get empty pars working right
- if (bparams.tracking_changes) {
- if (!pars[par].size()) {
- pars[par].cleanChanges();
- } else if (!tmp->size()) {
- tmp->cleanChanges();
- }
+ par.layout(tmp->layout());
+ par.setLabelWidthString(tmp->params().labelWidthString());
+ par.params().depth(tmp->params().depth());
}
}
void breakParagraphConservative(BufferParams const & bparams,
- ParagraphList & pars, par_type par, pos_type pos)
+ ParagraphList & pars, pit_type par_offset, pos_type pos)
{
// create a new paragraph
- Paragraph & tmp = *pars.insert(pars.begin() + par + 1, Paragraph());
- tmp.makeSameLayout(pars[par]);
-
- // When can pos > size()?
- // I guess pos == size() is possible.
- if (pars[par].size() > pos) {
- // copy everything behind the break-position to the new
- // paragraph
- pos_type pos_end = pars[par].size() - 1;
-
- for (pos_type i = pos, j = pos; i <= pos_end; ++i)
- if (moveItem(pars[par], tmp, bparams, i, j - pos))
- ++j;
+ Paragraph & tmp = *pars.insert(boost::next(pars.begin(), par_offset + 1),
+ Paragraph());
+ Paragraph & par = pars[par_offset];
- for (pos_type k = pos_end; k >= pos; --k)
- pars[par].erase(k);
+ tmp.makeSameLayout(par);
+
+ BOOST_ASSERT(pos <= par.size());
+
+ if (pos < par.size()) {
+ // move everything behind the break position to the new paragraph
+ pos_type pos_end = par.size() - 1;
+
+ for (pos_type i = pos, j = 0; i <= pos_end; ++i) {
+ if (moveItem(par, pos, tmp, j, bparams)) {
+ ++j;
+ }
+ }
+ // Move over the end-of-par change information
+ tmp.setChange(tmp.size(), par.lookupChange(par.size()));
+ par.setChange(par.size(), Change(bparams.trackChanges ?
+ Change::INSERTED : Change::UNCHANGED));
}
}
void mergeParagraph(BufferParams const & bparams,
- ParagraphList & pars, par_type par)
+ ParagraphList & pars, pit_type par_offset)
{
- Paragraph & next = pars[par + 1];
+ Paragraph & next = pars[par_offset + 1];
+ Paragraph & par = pars[par_offset];
pos_type pos_end = next.size() - 1;
- pos_type pos_insert = pars[par].size();
+ pos_type pos_insert = par.size();
+
+ // the imaginary end-of-paragraph character (at par.size()) has to be
+ // marked as unmodified. Otherwise, its change is adopted by the first
+ // character of the next paragraph.
+ if (par.lookupChange(par.size()).type != Change::UNCHANGED) {
+ LYXERR(Debug::CHANGES) <<
+ "merging par with inserted/deleted end-of-par character" << endl;
+ par.setChange(par.size(), Change(Change::UNCHANGED));
+ }
- // ok, now copy the paragraph
- for (pos_type i = 0, j = 0; i <= pos_end; ++i)
- if (moveItem(next, pars[par], bparams, i, pos_insert + j))
+ Change change = next.lookupChange(next.size());
+
+ // move the content of the second paragraph to the end of the first one
+ for (pos_type i = 0, j = pos_insert; i <= pos_end; ++i) {
+ if (moveItem(next, 0, par, j, bparams)) {
++j;
+ }
+ }
- pars.erase(pars.begin() + par + 1);
+ // move the change of the end-of-paragraph character
+ par.setChange(par.size(), change);
+
+ pars.erase(boost::next(pars.begin(), par_offset + 1));
}
-par_type depthHook(par_type pit,
- ParagraphList const & pars, Paragraph::depth_type depth)
+pit_type depthHook(pit_type pit, ParagraphList const & pars, depth_type depth)
{
- par_type newpit = pit;
+ pit_type newpit = pit;
if (newpit != 0)
--newpit;
}
-par_type outerHook(par_type par, ParagraphList const & pars)
+pit_type outerHook(pit_type par_offset, ParagraphList const & pars)
{
- if (pars[par].getDepth() == 0)
+ Paragraph const & par = pars[par_offset];
+
+ if (par.getDepth() == 0)
return pars.size();
- return depthHook(par, pars, Paragraph::depth_type(pars[par].getDepth() - 1));
+ return depthHook(par_offset, pars, depth_type(par.getDepth() - 1));
}
-bool isFirstInSequence(par_type pit, ParagraphList const & pars)
+bool isFirstInSequence(pit_type par_offset, ParagraphList const & pars)
{
- par_type dhook = depthHook(pit, pars, pars[pit].getDepth());
- return dhook == pit
- || pars[dhook].layout() != pars[pit].layout()
- || pars[dhook].getDepth() != pars[pit].getDepth();
+ Paragraph const & par = pars[par_offset];
+
+ pit_type dhook_offset = depthHook(par_offset, pars, par.getDepth());
+
+ if (dhook_offset == par_offset)
+ return true;
+
+ Paragraph const & dhook = pars[dhook_offset];
+
+ return dhook.layout() != par.layout()
+ || dhook.getDepth() != par.getDepth();
}
-int getEndLabel(par_type p, ParagraphList const & pars)
+int getEndLabel(pit_type p, ParagraphList const & pars)
{
- par_type pit = p;
- Paragraph::depth_type par_depth = pars[p].getDepth();
- while (pit != par_type(pars.size())) {
+ pit_type pit = p;
+ depth_type par_depth = pars[p].getDepth();
+ while (pit != pit_type(pars.size())) {
LyXLayout_ptr const & layout = pars[pit].layout();
int const endlabeltype = layout->endlabeltype;
if (endlabeltype != END_LABEL_NO_LABEL) {
- if (p + 1 == par_type(pars.size()))
+ if (p + 1 == pit_type(pars.size()))
return endlabeltype;
- Paragraph::depth_type const next_depth =
+ depth_type const next_depth =
pars[p + 1].getDepth();
if (par_depth > next_depth ||
(par_depth == next_depth && layout != pars[p + 1].layout()))
if (par_depth == 0)
break;
pit = outerHook(pit, pars);
- if (pit != par_type(pars.size()))
+ if (pit != pit_type(pars.size()))
par_depth = pars[pit].getDepth();
}
return END_LABEL_NO_LABEL;
}
-LyXFont const outerFont(par_type pit, ParagraphList const & pars)
+LyXFont const outerFont(pit_type par_offset, ParagraphList const & pars)
{
- Paragraph::depth_type par_depth = pars[pit].getDepth();
+ depth_type par_depth = pars[par_offset].getDepth();
LyXFont tmpfont(LyXFont::ALL_INHERIT);
// Resolve against environment font information
- while (pit != par_type(pars.size())
+ while (par_offset != pit_type(pars.size())
&& par_depth
&& !tmpfont.resolved()) {
- pit = outerHook(pit, pars);
- if (pit != par_type(pars.size())) {
- tmpfont.realize(pars[pit].layout()->font);
- par_depth = pars[pit].getDepth();
+ par_offset = outerHook(par_offset, pars);
+ if (par_offset != pit_type(pars.size())) {
+ tmpfont.realize(pars[par_offset].layout()->font);
+ par_depth = pars[par_offset].getDepth();
}
}
}
-par_type outerPar(Buffer const & buf, InsetBase const * inset)
+/// return the number of InsetOptArg in a paragraph
+int numberOfOptArgs(Paragraph const & par)
{
- ParIterator pit = const_cast<Buffer &>(buf).par_iterator_begin();
- ParIterator end = const_cast<Buffer &>(buf).par_iterator_end();
- for ( ; pit != end; ++pit) {
- LyXText * text;
- // the second '=' below is intentional
- for (int i = 0; (text = inset->getText(i)); ++i)
- if (&text->paragraphs() == &pit.plist())
- return pit.outerPar();
-
- InsetList::const_iterator ii = pit->insetlist.begin();
- InsetList::const_iterator iend = pit->insetlist.end();
- for ( ; ii != iend; ++ii)
- if (ii->inset == inset)
- return pit.outerPar();
- }
- lyxerr << "outerPar: should not happen" << endl;
- BOOST_ASSERT(false);
- return buf.paragraphs().size(); // shut up compiler
-}
+ int num = 0;
-
-Paragraph const & ownerPar(Buffer const & buf, InsetBase const * inset)
-{
- ParConstIterator pit = buf.par_iterator_begin();
- ParConstIterator end = buf.par_iterator_end();
- for ( ; pit != end; ++pit) {
- LyXText * text;
- // the second '=' below is intentional
- for (int i = 0; (text = inset->getText(i)); ++i)
- if (&text->paragraphs() == &pit.plist())
- return *pit;
-
- InsetList::const_iterator ii = pit->insetlist.begin();
- InsetList::const_iterator iend = pit->insetlist.end();
- for ( ; ii != iend; ++ii)
- if (ii->inset == inset)
- return *pit;
+ InsetList::const_iterator it = par.insetlist.begin();
+ InsetList::const_iterator end = par.insetlist.end();
+ for (; it != end ; ++it) {
+ if (it->inset->lyxCode() == InsetBase::OPTARG_CODE)
+ ++num;
}
- lyxerr << "ownerPar: should not happen" << endl;
- BOOST_ASSERT(false);
- return buf.paragraphs().front(); // shut up compiler
+ return num;
}
-/// return the range of pars [beg, end[ owning the range of y [ystart, yend]
-void getParsInRange(ParagraphList & pars, int ystart, int yend,
- par_type & beg, par_type & end)
-{
- BOOST_ASSERT(!pars.empty());
- par_type const endpar = pars.size();
- par_type const begpar = 0;
-
- for (beg = endpar - 1; beg != begpar && pars[beg].y > ystart; --beg)
- ;
-
- for (end = beg ; end != endpar && pars[end].y <= yend; ++end)
- ;
-}
+} // namespace lyx