*
* \author Lars Gullik Bjønnes
*
- * Full author contact details are available in file CREDITS
+ * Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "paragraph_funcs.h"
-#include "paragraph_pimpl.h"
+
#include "buffer.h"
-#include "ParagraphParameters.h"
-#include "lyxtextclasslist.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::layout_type;
+using lyx::par_type;
+
+using lyx::support::ascii_lowercase;
+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;
+
+
+namespace {
+
+bool moveItem(Paragraph & from, Paragraph & to,
+ BufferParams const & params, pos_type i, pos_type j)
+{
+ Paragraph::value_type 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);
+ }
+
+ if (!to.insetAllowed(tmpinset->lyxCode())) {
+ delete tmpinset;
+ return false;
+ }
+ if (tmpinset)
+ to.insertInset(j, tmpinset, tmpfont);
+ } else {
+ if (!to.checkInsertChar(tmpfont))
+ return false;
+ to.insertChar(j, tmpchar, tmpfont);
+ }
+ return true;
+}
+
+}
void breakParagraph(BufferParams const & bparams,
- Paragraph * par,
- pos_type pos,
- int flag)
+ ParagraphList & pars, par_type par_offset, pos_type pos, int flag)
{
- // create a new paragraph
- Paragraph * tmp = new Paragraph(par);
+ // create a new paragraph, and insert into the list
+ ParagraphList::iterator tmp =
+ pars.insert(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(par->inInset());
+ tmp->setInsetOwner(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
// layout stays the same with latex-environments
if (flag) {
- tmp->layout(par->layout());
- tmp->setLabelWidthString(par->params().labelWidthString());
+ tmp->layout(par.layout());
+ tmp->setLabelWidthString(par.params().labelWidthString());
}
- bool const isempty = (par->layout()->keepempty && par->empty());
-
- if (!isempty && (par->size() > pos || par->empty() || flag == 2)) {
- tmp->layout(par->layout());
- tmp->params().align(par->params().align());
- tmp->setLabelWidthString(par->params().labelWidthString());
+ bool const isempty = (par.allowEmpty() && par.empty());
- tmp->params().lineBottom(par->params().lineBottom());
- par->params().lineBottom(false);
- tmp->params().pagebreakBottom(par->params().pagebreakBottom());
- par->params().pagebreakBottom(false);
- tmp->params().spaceBottom(par->params().spaceBottom());
- par->params().spaceBottom(VSpace(VSpace::NONE));
+ 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(par->params().depth());
- tmp->params().noindent(par->params().noindent());
+ tmp->params().depth(par.params().depth());
+ tmp->params().noindent(par.params().noindent());
// copy everything behind the break-position
// to the new paragraph
-#ifdef WITH_WARNINGS
-#warning this seems wrong
-#endif
- /* FIXME: if !keepempty, empty() == true, then we reach
- * here with size() == 0. So pos_end becomes - 1. Why
- * doesn't this cause problems ???
+ /* Note: if !keepempty, empty() == true, then we reach
+ * here with size() == 0. So pos_end becomes - 1. This
+ * doesn't cause problems because both loops below
+ * enforce pos <= pos_end and 0 <= pos
*/
- pos_type pos_end = par->size() - 1;
- pos_type i = pos;
- pos_type j = pos;
-
- for (; i <= pos_end; ++i) {
- Change::Type change(par->lookupChange(i));
- par->cutIntoMinibuffer(bparams, i);
- if (tmp->insertFromMinibuffer(j - pos)) {
- tmp->pimpl_->setChange(j - pos, change);
+ pos_type pos_end = par.size() - 1;
+
+ for (pos_type i = pos, j = pos; i <= pos_end; ++i) {
+ Change::Type change = par.lookupChange(i);
+ if (moveItem(par, *tmp, bparams, i, j - pos)) {
+ tmp->setChange(j - pos, change);
++j;
}
}
- for (i = pos_end; i >= pos; --i) {
- par->pimpl_->eraseIntern(i);
- }
+
+ for (pos_type i = pos_end; i >= pos; --i)
+ par.eraseIntern(i);
}
- if (pos)
+ if (pos) {
+ // Make sure that we keep the language when
+ // breaking paragrpah.
+ if (tmp->empty()) {
+ LyXFont changed = tmp->getFirstFontSettings();
+ LyXFont old = par.getFontSettings(bparams, par.size());
+ changed.setLanguage(old.language());
+ tmp->setFont(0, changed);
+ }
+
return;
+ }
- tmp->params().lineTop(par->params().lineTop());
- tmp->params().pagebreakTop(par->params().pagebreakTop());
- tmp->params().spaceTop(par->params().spaceTop());
- par->params().clear();
+ par.params().clear();
- par->layout(bparams.getLyXTextClass().defaultLayout());
+ par.layout(bparams.getLyXTextClass().defaultLayout());
// layout stays the same with latex-environments
if (flag) {
- par->layout(tmp->layout());
- par->setLabelWidthString(tmp->params().labelWidthString());
- par->params().depth(tmp->params().depth());
+ par.layout(tmp->layout());
+ par.setLabelWidthString(tmp->params().labelWidthString());
+ par.params().depth(tmp->params().depth());
}
// subtle, but needed to get empty pars working right
if (bparams.tracking_changes) {
- if (!par->size()) {
- par->cleanChanges();
+ if (!par.size()) {
+ par.cleanChanges();
} else if (!tmp->size()) {
tmp->cleanChanges();
}
void breakParagraphConservative(BufferParams const & bparams,
- Paragraph * par,
- pos_type pos)
+ ParagraphList & pars, par_type par_offset, pos_type pos)
{
// create a new paragraph
- Paragraph * tmp = new Paragraph(par);
- tmp->makeSameLayout(par);
+ Paragraph & tmp = *pars.insert(pars.begin() + par_offset + 1, Paragraph());
+ Paragraph & par = pars[par_offset];
+
+ tmp.makeSameLayout(par);
- // When can pos > Last()?
- // I guess pos == Last() is possible.
- if (par->size() > pos) {
+ // When can pos > size()?
+ // I guess pos == size() is possible.
+ if (par.size() > pos) {
// copy everything behind the break-position to the new
// paragraph
- pos_type pos_end = par->size() - 1;
+ pos_type pos_end = par.size() - 1;
- for (pos_type i = pos, j = pos; i <= pos_end; ++i) {
- par->cutIntoMinibuffer(bparams, i);
- if (tmp->insertFromMinibuffer(j - pos))
+ for (pos_type i = pos, j = pos; i <= pos_end; ++i)
+ if (moveItem(par, tmp, bparams, i, j - pos))
++j;
- }
- for (pos_type k = pos_end; k >= pos; --k) {
- par->erase(k);
- }
+ for (pos_type k = pos_end; k >= pos; --k)
+ par.erase(k);
}
}
-void mergeParagraph(BufferParams const & bparams, Paragraph * par)
+void mergeParagraph(BufferParams const & bparams,
+ ParagraphList & pars, par_type par_offset)
{
- Paragraph * the_next = par->next();
-
- // first the DTP-stuff
- par->params().lineBottom(the_next->params().lineBottom());
- par->params().spaceBottom(the_next->params().spaceBottom());
- par->params().pagebreakBottom(the_next->params().pagebreakBottom());
+ Paragraph & next = pars[par_offset + 1];
+ Paragraph & par = pars[par_offset];
- pos_type pos_end = the_next->size() - 1;
- pos_type pos_insert = par->size();
+ pos_type pos_end = next.size() - 1;
+ pos_type pos_insert = par.size();
// ok, now copy the paragraph
- for (pos_type i = 0, j = 0; i <= pos_end; ++i) {
- the_next->cutIntoMinibuffer(bparams, i);
- if (par->insertFromMinibuffer(pos_insert + j))
+ for (pos_type i = 0, j = 0; i <= pos_end; ++i)
+ if (moveItem(next, par, bparams, i, pos_insert + j))
++j;
- }
- // delete the next paragraph
- Paragraph * ppar = the_next->previous();
- Paragraph * npar = the_next->next();
- delete the_next;
- ppar->next(npar);
+ pars.erase(pars.begin() + par_offset + 1);
}
-#if 0
-Paragraph * depthHook(Paragraph * par, Paragraph::depth_type depth)
+par_type depthHook(par_type pit,
+ ParagraphList const & pars, Paragraph::depth_type depth)
{
- Paragraph * newpar = par;
+ par_type newpit = pit;
- do {
- newpar = newpar->previous();
- } while (newpar && newpar->getDepth() > depth);
+ if (newpit != 0)
+ --newpit;
- if (!newpar) {
- if (par->previous() || par->getDepth())
- lyxerr << "Error (depthHook): "
- << "no hook." << endl;
- newpar = par;
- }
- return newpar;
+ while (newpit != 0 && pars[newpit].getDepth() > depth)
+ --newpit;
+
+ if (pars[newpit].getDepth() > depth)
+ return pit;
+
+ return newpit;
}
-Paragraph * outerHook(Paragraph * par)
+par_type outerHook(par_type par_offset, ParagraphList const & pars)
{
- if (!par->getDepth())
- return 0;
- return depthHook(par, Paragraph::depth_type(par->getDepth() - 1));
+ Paragraph const & par = pars[par_offset];
+
+ if (par.getDepth() == 0)
+ return pars.size();
+ return depthHook(par_offset, pars, Paragraph::depth_type(par.getDepth() - 1));
}
-bool isFirstInSequence(Paragraph * par)
+bool isFirstInSequence(par_type par_offset, ParagraphList const & pars)
{
- Paragraph const * dhook = depthHook(par, par->getDepth());
- return (dhook == par
- || dhook->getLayout() != par->getLayout()
- || dhook->getDepth() != par->getDepth());
+ Paragraph const & par = pars[par_offset];
+
+ par_type dhook_offset = depthHook(par_offset, pars, par.getDepth());
+
+ Paragraph const & dhook = pars[dhook_offset];
+
+ return dhook_offset == par_offset
+ || dhook.layout() != par.layout()
+ || dhook.getDepth() != par.getDepth();
}
-int getEndLabel(Paragraph * para, BufferParams const & bparams)
+int getEndLabel(par_type p, ParagraphList const & pars)
{
- Paragraph * par = para;
- while (par) {
- Paragraph::depth_type par_depth = par->getDepth();
- layout_type layout = par->getLayout();
- int const endlabeltype =
- textclasslist.Style(bparams.textclass,
- layout).endlabeltype;
+ par_type pit = p;
+ Paragraph::depth_type par_depth = pars[p].getDepth();
+ while (pit != par_type(pars.size())) {
+ LyXLayout_ptr const & layout = pars[pit].layout();
+ int const endlabeltype = layout->endlabeltype;
+
if (endlabeltype != END_LABEL_NO_LABEL) {
- if (!para->next())
+ if (p + 1 == par_type(pars.size()))
return endlabeltype;
Paragraph::depth_type const next_depth =
- para->next()->getDepth();
+ pars[p + 1].getDepth();
if (par_depth > next_depth ||
- (par_depth == next_depth
- && layout != para->next()->getLayout()))
+ (par_depth == next_depth && layout != pars[p + 1].layout()))
return endlabeltype;
break;
}
if (par_depth == 0)
break;
- par = outerHook(par);
+ pit = outerHook(pit, pars);
+ if (pit != par_type(pars.size()))
+ par_depth = pars[pit].getDepth();
}
return END_LABEL_NO_LABEL;
}
-#endif
+
+
+LyXFont const outerFont(par_type par_offset, ParagraphList const & pars)
+{
+ Paragraph::depth_type par_depth = pars[par_offset].getDepth();
+ LyXFont tmpfont(LyXFont::ALL_INHERIT);
+
+ // Resolve against environment font information
+ while (par_offset != par_type(pars.size())
+ && par_depth
+ && !tmpfont.resolved()) {
+ par_offset = outerHook(par_offset, pars);
+ if (par_offset != par_type(pars.size())) {
+ tmpfont.realize(pars[par_offset].layout()->font);
+ par_depth = pars[par_offset].getDepth();
+ }
+ }
+
+ return tmpfont;
+}
+
+
+par_type outerPar(Buffer const & buf, InsetBase const * inset)
+{
+ 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
+}
+
+
+/// 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)
+ ;
+}