* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
- * \author André Pönitz
+ * \author André Pönitz
* \author Alfredo Braunstein
*
* Full author contact details are available in file CREDITS.
#include "DocIterator.h"
-#include "support/debug.h"
+#include "Buffer.h"
#include "InsetList.h"
#include "Paragraph.h"
+#include "LyXRC.h"
#include "Text.h"
#include "mathed/MathData.h"
#include "mathed/InsetMath.h"
+#include "mathed/InsetMathHull.h"
#include "insets/InsetTabular.h"
-#include <boost/assert.hpp>
+#include "support/debug.h"
+#include "support/ExceptionMessage.h"
+#include "support/gettext.h"
+#include "support/lassert.h"
+#include "support/lstrings.h"
#include <ostream>
using namespace std;
+using namespace lyx::support;
namespace lyx {
+DocIterator::DocIterator()
+ : boundary_(false), inset_(0), buffer_(0)
+{}
+
+
// We could be able to get rid of this if only every BufferView were
// associated to a buffer on construction.
-DocIterator::DocIterator()
- : boundary_(false), inset_(0)
+DocIterator::DocIterator(Buffer * buf)
+ : boundary_(false), inset_(0), buffer_(buf)
{}
-DocIterator::DocIterator(Inset & inset)
- : boundary_(false), inset_(&inset)
+DocIterator::DocIterator(Buffer * buf, Inset * inset)
+ : boundary_(false), inset_(inset), buffer_(buf)
{}
-DocIterator doc_iterator_begin(Inset & inset)
+DocIterator doc_iterator_begin(const Buffer * buf0, const Inset * inset0)
{
- DocIterator dit(inset);
+ Buffer * buf = const_cast<Buffer *>(buf0);
+ Inset * inset = const_cast<Inset *>(inset0);
+ DocIterator dit(buf, inset ? inset : &buf->inset());
dit.forwardPos();
return dit;
}
-DocIterator doc_iterator_end(Inset & inset)
+DocIterator doc_iterator_end(const Buffer * buf0, const Inset * inset0)
+{
+ Buffer * buf = const_cast<Buffer *>(buf0);
+ Inset * inset = const_cast<Inset *>(inset0);
+ return DocIterator(buf, inset ? inset : &buf->inset());
+}
+
+
+DocIterator DocIterator::clone(Buffer * buffer) const
+{
+ LASSERT(buffer->isClone(), return DocIterator());
+ Inset * inset = &buffer->inset();
+ DocIterator dit(buffer);
+ size_t const n = slices_.size();
+ for (size_t i = 0 ; i != n; ++i) {
+ LBUFERR(inset);
+ dit.push_back(slices_[i]);
+ dit.top().inset_ = inset;
+ if (i + 1 != n)
+ inset = dit.nextInset();
+ }
+ return dit;
+}
+
+
+bool DocIterator::inRegexped() const
{
- return DocIterator(inset);
+ InsetMath * im = inset().asInsetMath();
+ if (!im)
+ return false;
+ InsetMathHull * hull = im->asHullInset();
+ return hull && hull->getType() == hullRegexp;
}
Inset * DocIterator::nextInset() const
{
- BOOST_ASSERT(!empty());
+ LASSERT(!empty(), return 0);
if (pos() == lastpos())
return 0;
if (pos() > lastpos()) {
- LYXERR0("Should not happen, but it does. ");
+ LYXERR0("Should not happen, but it does: pos() = "
+ << pos() << ", lastpos() = " << lastpos());
return 0;
}
if (inMathed())
return nextAtom().nucleus();
- return paragraph().isInset(pos()) ? paragraph().getInset(pos()) : 0;
+ return paragraph().getInset(pos());
}
Inset * DocIterator::prevInset() const
{
- BOOST_ASSERT(!empty());
+ LASSERT(!empty(), return 0);
if (pos() == 0)
return 0;
if (inMathed()) {
if (cell().empty())
// FIXME: this should not happen but it does.
// See bug 3189
- // http://bugzilla.lyx.org/show_bug.cgi?id=3189
+ // http://www.lyx.org/trac/ticket/3189
return 0;
else
return prevAtom().nucleus();
}
- return paragraph().isInset(pos() - 1) ? paragraph().getInset(pos() - 1) : 0;
+ return paragraph().getInset(pos() - 1);
}
Inset * DocIterator::realInset() const
{
- BOOST_ASSERT(inTexted());
+ LASSERT(inTexted(), return 0);
// if we are in a tabular, we need the cell
if (inset().lyxCode() == TABULAR_CODE) {
- InsetTabular & tabular = static_cast<InsetTabular&>(inset());
- return tabular.cell(idx()).get();
+ InsetTabular * tabular = inset().asInsetTabular();
+ return tabular->cell(idx()).get();
}
return &inset();
}
MathAtom & DocIterator::prevAtom() const
{
- BOOST_ASSERT(!empty());
- BOOST_ASSERT(pos() > 0);
+ LASSERT(!empty(), /**/);
+ LASSERT(pos() > 0, /**/);
return cell()[pos() - 1];
}
MathAtom & DocIterator::nextAtom() const
{
- BOOST_ASSERT(!empty());
+ LASSERT(!empty(), /**/);
//lyxerr << "lastpos: " << lastpos() << " next atom:\n" << *this << endl;
- BOOST_ASSERT(pos() < lastpos());
+ LASSERT(pos() < lastpos(), /**/);
return cell()[pos()];
}
Text * DocIterator::text() const
{
- BOOST_ASSERT(!empty());
+ LASSERT(!empty(), return 0);
return top().text();
}
Paragraph & DocIterator::paragraph() const
{
- if (!inTexted())
+ if (!inTexted()) {
LYXERR0(*this);
- BOOST_ASSERT(inTexted());
+ LBUFERR(false);
+ }
return top().paragraph();
}
Paragraph & DocIterator::innerParagraph() const
{
- BOOST_ASSERT(!empty());
+ LBUFERR(!empty());
return innerTextSlice().paragraph();
}
+FontSpan DocIterator::locateWord(word_location const loc) const
+{
+ FontSpan f = FontSpan();
+
+ if (!top().text()->empty()) {
+ f.first = pos();
+ top().paragraph().locateWord(f.first, f.last, loc);
+ }
+ return f;
+}
+
+
CursorSlice const & DocIterator::innerTextSlice() const
{
- BOOST_ASSERT(!empty());
+ LBUFERR(!empty());
// go up until first non-0 text is hit
// (innermost text is 0 in mathed)
for (int i = depth() - 1; i >= 0; --i)
if (slices_[i].text())
return slices_[i];
- // This case is in principe not possible. We _must_
+ // This case is in principle not possible. We _must_
// be inside a Text.
- BOOST_ASSERT(false);
- static CursorSlice dummy;
- return dummy;
+ LBUFERR(false);
+ // Squash warning
+ static const CursorSlice c;
+ return c;
+}
+
+
+DocIterator DocIterator::getInnerText() const
+{
+ DocIterator texted = *this;
+ while (!texted.inTexted())
+ texted.pop_back();
+ return texted;
}
MathData & DocIterator::cell() const
{
-// BOOST_ASSERT(inMathed());
+// LASSERT(inMathed(), /**/);
return top().cell();
}
Text * DocIterator::innerText() const
{
- BOOST_ASSERT(!empty());
- // go up until first non-0 text is hit
- // (innermost text is 0 in mathed)
- for (int i = depth() - 1; i >= 0; --i)
- if (slices_[i].text())
- return slices_[i].text();
- return 0;
+ LASSERT(!empty(), return 0);
+ return innerTextSlice().text();
}
}
-void DocIterator::forwardPos(bool ignorecollapsed)
+// This duplicates code above, but is in the critical path.
+// So please think twice before adding stuff
+void DocIterator::forwardPos()
{
- //this dog bites his tail
+ // this dog bites his tail
if (empty()) {
push_back(CursorSlice(*inset_));
return;
}
- Inset * const nextinset = nextInset();
- // jump over collapsables if they are collapsed
- // FIXME: the check for asInsetMath() shouldn't be necessary
- // but math insets do not return a sensible editable() state yet.
- if (ignorecollapsed && nextinset && (!nextinset->asInsetMath()
- && nextinset->editable() != Inset::HIGHLY_EDITABLE)) {
- ++top().pos();
- return;
- }
-
CursorSlice & tip = top();
//lyxerr << "XXX\n" << *this << endl;
- // this is used twice and shows up in the profiler!
- pos_type const lastp = lastpos();
-
- // move into an inset to the right if possible
- Inset * n = 0;
-
- if (tip.pos() != lastp) {
- // this is impossible for pos() == size()
- if (inMathed()) {
+ // not at cell/paragraph end?
+ if (tip.pos() != tip.lastpos()) {
+ // move into an inset to the right if possible
+ Inset * n = 0;
+ if (inMathed())
n = (tip.cell().begin() + tip.pos())->nucleus();
- } else {
- if (paragraph().isInset(tip.pos()))
- n = paragraph().getInset(tip.pos());
+ else
+ n = paragraph().getInset(tip.pos());
+ if (n && n->isActive()) {
+ //lyxerr << "... descend" << endl;
+ push_back(CursorSlice(*n));
+ return;
}
}
- if (n && n->isActive()) {
- //lyxerr << "... descend" << endl;
- push_back(CursorSlice(*n));
- return;
- }
-
+ // jump to the next cell/paragraph if possible
if (!tip.at_end()) {
tip.forwardPos();
return;
}
+
// otherwise leave inset and jump over inset as a whole
pop_back();
// 'tip' is invalid now...
}
+void DocIterator::forwardPosIgnoreCollapsed()
+{
+ Inset * const nextinset = nextInset();
+ // FIXME: the check for asInsetMath() shouldn't be necessary
+ // but math insets do not return a sensible editable() state yet.
+ if (nextinset && !nextinset->asInsetMath()
+ && !nextinset->editable()) {
+ ++top().pos();
+ return;
+ }
+ forwardPos();
+}
+
+
void DocIterator::forwardPar()
{
forwardPos();
return;
}
+ // at inset beginning?
if (top().at_begin()) {
pop_back();
return;
top().backwardPos();
+ // entered another cell/paragraph from the right?
+ if (top().pos() == top().lastpos())
+ return;
+
// move into an inset to the left if possible
Inset * n = 0;
-
- if (inMathed()) {
+ if (inMathed())
n = (top().cell().begin() + top().pos())->nucleus();
- } else {
- if (paragraph().isInset(top().pos()))
- n = paragraph().getInset(top().pos());
- }
-
+ else
+ n = paragraph().getInset(top().pos());
if (n && n->isActive()) {
push_back(CursorSlice(*n));
top().idx() = lastidx();
}
+#if 0
+// works, but currently not needed
+void DocIterator::backwardInset()
+{
+ backwardPos();
+
+ while (!empty() && !nextInset()) {
+ if (inTexted()) {
+ pos_type const lastp = lastpos();
+ Paragraph const & par = paragraph();
+ pos_type & pos = top().pos();
+ while (pos > 0 && (pos == lastp || !par.isInset(pos)))
+ --pos;
+ if (pos > 0)
+ break;
+ }
+ backwardPos();
+ }
+}
+#endif
+
+
bool DocIterator::hasPart(DocIterator const & it) const
{
// it can't be a part if it is larger
}
+bool DocIterator::allowSpellCheck() const
+{
+ /// spell check is disabled if the iterator position
+ /// is inside of an inset which disables the spell checker
+ size_t const n = depth();
+ for (size_t i = 0; i < n; ++i) {
+ if (!slices_[i].inset_->allowSpellCheck())
+ return false;
+ }
+ return true;
+}
+
+
void DocIterator::updateInsets(Inset * inset)
{
// this function re-creates the cache of inset pointers.
size_t const n = slices_.size();
slices_.resize(0);
for (size_t i = 0 ; i < n; ++i) {
- BOOST_ASSERT(inset);
+ LBUFERR(inset);
push_back(dit[i]);
top().inset_ = inset;
if (i + 1 != n)
bool DocIterator::fixIfBroken()
{
+ if (empty())
+ return false;
+
// Go through the slice stack from the bottom.
// Check that all coordinates (idx, pit, pos) are correct and
// that the inset is the one which is claimed to be there
size_t n = slices_.size();
for (; i != n; ++i) {
CursorSlice & cs = slices_[i];
- if (&cs.inset() != inset) {
+ if (&cs.inset() != inset
+ || (cs.inset().inMathed() ? ! cs.inset().isActive()
+ : ! cs.inset().editable())) {
// the whole slice is wrong, chop off this as well
--i;
LYXERR(Debug::DEBUG, "fixIfBroken(): inset changed");
// get inset which is supposed to be in the next slice
if (cs.inset().inMathed())
inset = (cs.cell().begin() + cs.pos())->nucleus();
- else if (cs.paragraph().isInset(cs.pos()))
- inset = cs.paragraph().getInset(cs.pos());
+ else if (Inset * csInset = cs.paragraph().getInset(cs.pos()))
+ inset = csInset;
else {
// there are slices left, so there must be another inset
break;
}
-DocIterator::idx_type DocIterator::find(MathData const & cell) const
+void DocIterator::sanitize()
+{
+ // keep a copy of the slices
+ vector<CursorSlice> const sl = slices_;
+ slices_.clear();
+ if (buffer_)
+ inset_ = &buffer_->inset();
+ Inset * inset = inset_;
+ // re-add the slices one by one, and adjust the inset pointer.
+ for (size_t i = 0, n = sl.size(); i != n; ++i) {
+ if (inset == 0) {
+ // FIXME
+ LYXERR0(" Should not happen, but does e.g. after "
+ "C-n C-l C-z S-C-z\n"
+ << " or when a Buffer has been concurrently edited by two views"
+ << '\n' << "dit: " << *this << '\n'
+ << " lastpos: " << slices_[i].lastpos());
+ fixIfBroken();
+ break;
+ }
+ if (!inset->isActive()) {
+ LYXERR0("Inset found on cursor stack is not active.");
+ fixIfBroken();
+ break;
+ }
+ push_back(sl[i]);
+ top().inset_ = inset;
+ if (fixIfBroken())
+ break;
+ if (i + 1 != n)
+ inset = nextInset();
+ }
+}
+
+
+int DocIterator::find(MathData const & cell) const
{
for (size_t l = 0; l != slices_.size(); ++l) {
if (slices_[l].asInsetMath() && &slices_[l].cell() == &cell)
}
-DocIterator::idx_type DocIterator::find(InsetMath const * inset) const
+int DocIterator::find(Inset const * inset) const
{
for (size_t l = 0; l != slices_.size(); ++l) {
- if (slices_[l].asInsetMath() == inset)
+ if (&slices_[l].inset() == inset)
return l;
}
return -1;
}
-void DocIterator::cutOff(DocIterator::idx_type above, vector<CursorSlice> & cut)
+void DocIterator::cutOff(int above, vector<CursorSlice> & cut)
{
cut = vector<CursorSlice>(slices_.begin() + above + 1, slices_.end());
slices_.resize(above + 1);
}
-void DocIterator::cutOff(DocIterator::idx_type above)
+void DocIterator::cutOff(int above)
{
slices_.resize(above + 1);
}
}
-DocIterator StableDocIterator::asDocIterator(Inset * inset) const
+DocIterator StableDocIterator::asDocIterator(Buffer * buf) const
{
- // this function re-creates the cache of inset pointers
- //lyxerr << "converting:\n" << *this << endl;
- DocIterator dit = DocIterator(*inset);
- for (size_t i = 0, n = data_.size(); i != n; ++i) {
- if (inset == 0) {
- // FIXME
- LYXERR0(" Should not happen, but does e.g. after "
- "C-n C-l C-z S-C-z\n"
- << " or when a Buffer has been concurrently edited by two views"
- << '\n' << "dit: " << dit << '\n'
- << " lastpos: " << dit.lastpos());
- dit.fixIfBroken();
- break;
- }
- dit.push_back(data_[i]);
- dit.top().inset_ = inset;
- if (dit.fixIfBroken())
- break;
- if (i + 1 != n)
- inset = dit.nextInset();
- }
- //lyxerr << "convert:\n" << *this << " to:\n" << dit << endl;
+ DocIterator dit(buf);
+ dit.slices_ = data_;
+ dit.sanitize();
return dit;
}
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