#include "DocIterator.h"
+#include "Buffer.h"
+#include "BufferParams.h"
+#include "Encoding.h"
+#include "Font.h"
#include "InsetList.h"
+#include "Language.h"
#include "Paragraph.h"
#include "Text.h"
#include "mathed/MathData.h"
#include "mathed/InsetMath.h"
+#include "mathed/InsetMathHull.h"
#include "insets/InsetTabular.h"
+#include "support/convert.h"
#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 {
-// 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 doc_iterator_begin(const Buffer * buf0, const Inset * inset0)
+{
+ Buffer * buf = const_cast<Buffer *>(buf0);
+ Inset * inset = const_cast<Inset *>(inset0);
+ DocIterator dit(buf, inset ? inset : &buf->inset());
+ dit.forwardPos();
+ return dit;
+}
-DocIterator::DocIterator(Inset & inset)
- : boundary_(false), 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 doc_iterator_begin(Inset & inset)
+DocIterator DocIterator::clone(Buffer * buffer) const
{
- DocIterator dit(inset);
- dit.forwardPos();
+ 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;
}
-DocIterator doc_iterator_end(Inset & inset)
+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
{
- LASSERT(!empty(), /**/);
+ LASSERT(!empty(), return nullptr);
if (pos() == lastpos())
- return 0;
+ return nullptr;
if (pos() > lastpos()) {
- LYXERR0("Should not happen, but it does. ");
- return 0;
+ LYXERR0("Should not happen, but it does: pos() = "
+ << pos() << ", lastpos() = " << lastpos());
+ return nullptr;
}
if (inMathed())
return nextAtom().nucleus();
Inset * DocIterator::prevInset() const
{
- LASSERT(!empty(), /**/);
+ LASSERT(!empty(), return nullptr);
if (pos() == 0)
- return 0;
+ return nullptr;
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
- return 0;
+ // http://www.lyx.org/trac/ticket/3189
+ return nullptr;
else
return prevAtom().nucleus();
}
Inset * DocIterator::realInset() const
{
- LASSERT(inTexted(), /**/);
+ LASSERT(inTexted(), return nullptr);
// 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();
}
+InsetMath & DocIterator::nextMath()
+{
+ return *nextAtom().nucleus();
+}
+
+
+InsetMath & DocIterator::prevMath()
+{
+ return *prevAtom().nucleus();
+}
+
+
MathAtom & DocIterator::prevAtom() const
{
LASSERT(!empty(), /**/);
Text * DocIterator::text() const
{
- LASSERT(!empty(), /**/);
+ LASSERT(!empty(), return nullptr);
return top().text();
}
Paragraph & DocIterator::paragraph() const
{
- if (!inTexted())
+ if (!inTexted()) {
LYXERR0(*this);
- LASSERT(inTexted(), /**/);
+ LBUFERR(false);
+ }
return top().paragraph();
}
Paragraph & DocIterator::innerParagraph() const
{
- LASSERT(!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
{
- LASSERT(!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.
- LASSERT(false, /**/);
- static CursorSlice dummy;
- return dummy;
+ LBUFERR(false);
+ // Squash warning
+ static const CursorSlice c;
+ return c;
+}
+
+
+docstring DocIterator::paragraphGotoArgument() const
+{
+ CursorSlice const & s = innerTextSlice();
+ return convert<docstring>(s.paragraph().id()) + ' ' +
+ convert<docstring>(s.pos());
+}
+
+
+DocIterator DocIterator::getInnerText() const
+{
+ DocIterator texted = *this;
+ while (!texted.inTexted())
+ texted.pop_back();
+ return texted;
}
}
-DocIterator::idx_type DocIterator::lastidx() const
+idx_type DocIterator::lastidx() const
{
return top().lastidx();
}
}
-DocIterator::row_type DocIterator::row() const
+row_type DocIterator::row() const
{
return top().row();
}
-DocIterator::col_type DocIterator::col() const
+col_type DocIterator::col() const
{
return top().col();
}
Text * DocIterator::innerText() const
{
- LASSERT(!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 nullptr);
+ return innerTextSlice().text();
}
for (int i = depth() - 1; i >= 0; --i)
if (slices_[i].inset_->lyxCode() == code)
return slices_[i].inset_;
- return 0;
+ return nullptr;
+}
+
+
+bool DocIterator::posBackward()
+{
+ if (pos() == 0)
+ return false;
+ --pos();
+ return true;
+}
+
+
+bool DocIterator::posForward()
+{
+ if (pos() == lastpos())
+ return false;
+ ++pos();
+ return true;
}
// not at cell/paragraph end?
if (tip.pos() != tip.lastpos()) {
// move into an inset to the right if possible
- Inset * n = 0;
+ Inset * n = nullptr;
if (inMathed())
n = (tip.cell().begin() + tip.pos())->nucleus();
else
// 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() != Inset::HIGHLY_EDITABLE) {
+ && !nextinset->editable()) {
++top().pos();
return;
}
return;
// move into an inset to the left if possible
- Inset * n = 0;
+ Inset * n = nullptr;
if (inMathed())
n = (top().cell().begin() + top().pos())->nucleus();
else
}
+void DocIterator::backwardPosIgnoreCollapsed()
+{
+ backwardPos();
+ if (inTexted()) {
+ Inset const * ins = realInset();
+ if (ins && !ins->editable()) {
+ pop_back(); // move out of collapsed inset
+ }
+ }
+}
+
+
+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();
+ }
+}
+
+
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) {
- LASSERT(inset, /**/);
+ if (dit[i].empty() && pos() > 0 && prevMath().lyxCode() == MATH_SCRIPT_CODE)
+ // Workaround: With empty optional argument and a trailing script,
+ // we have empty slices in math macro args (#11676)
+ // FIXME: Find real cause!
+ continue;
+ LBUFERR(inset);
push_back(dit[i]);
top().inset_ = inset;
if (i + 1 != n)
if (empty())
return false;
- // Go through the slice stack from the bottom.
+ // 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
Inset * inset = &slices_[0].inset();
size_t n = slices_.size();
for (; i != n; ++i) {
CursorSlice & cs = slices_[i];
- if (&cs.inset() != inset) {
+ if (&cs.inset() != inset || ! cs.inset().isActive()) {
// the whole slice is wrong, chop off this as well
--i;
LYXERR(Debug::DEBUG, "fixIfBroken(): inset changed");
}
+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 == nullptr) {
+ // FIXME
+ LYXERR0("Null inset on cursor stack.");
+ 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();
+ }
+}
+
+
+bool DocIterator::isInside(Inset const * p) const
+{
+ for (CursorSlice const & sl : slices_)
+ if (&sl.inset() == p)
+ return true;
+ return false;
+}
+
+
+void DocIterator::leaveInset(Inset const & inset)
+{
+ for (size_t i = 0; i != slices_.size(); ++i) {
+ if (&slices_[i].inset() == &inset) {
+ resize(i);
+ return;
+ }
+ }
+}
+
+
int DocIterator::find(MathData const & cell) const
{
for (size_t l = 0; l != slices_.size(); ++l) {
}
-int DocIterator::find(Inset const * inset) const
+int DocIterator::find(Inset const * inset) const
{
for (size_t l = 0; l != slices_.size(); ++l) {
if (&slices_[l].inset() == inset)
}
-void DocIterator::append(vector<CursorSlice> const & x)
+void DocIterator::append(vector<CursorSlice> const & x)
{
slices_.insert(slices_.end(), x.begin(), x.end());
}
-void DocIterator::append(DocIterator::idx_type idx, pos_type pos)
+void DocIterator::append(idx_type idx, pos_type pos)
{
slices_.push_back(CursorSlice());
top().idx() = idx;
}
+docstring DocIterator::getPossibleLabel() const
+{
+ return inMathed() ? from_ascii("eq:") : text()->getPossibleLabel(*this);
+}
+
+
+Encoding const * DocIterator::getEncoding() const
+{
+ if (empty())
+ return nullptr;
+
+ BufferParams const & bp = buffer()->params();
+ if (bp.useNonTeXFonts)
+ return encodings.fromLyXName("utf8-plain");
+
+ // With platex, we don't switch encodings (not even if forced).
+ if (bp.encoding().package() == Encoding::japanese)
+ return &bp.encoding();
+
+ CursorSlice const & sl = innerTextSlice();
+ Text const & text = *sl.text();
+ Language const * lang =
+ text.getPar(sl.pit()).getFont(bp, sl.pos(), text.outerFont(sl.pit())).language();
+ // If we have a custom encoding for the buffer, we don't switch
+ // encodings (see output_latex::switchEncoding())
+ bool const customenc = bp.inputenc != "auto-legacy" && bp.inputenc != "auto-legacy-plain";
+ Encoding const * enc = customenc ? &bp.encoding() : lang->encoding();
+
+ // Some insets force specific encodings sometimes (e.g., listings in
+ // multibyte context forces singlebyte).
+ if (inset().forcedEncoding(enc, encodings.fromLyXName("iso8859-1"))) {
+ // Get the language outside the inset
+ size_t const n = depth();
+ for (size_t i = 0; i < n; ++i) {
+ Text const & otext = *slices_[i].text();
+ Language const * olang =
+ otext.getPar(slices_[i].pit()).getFont(bp, slices_[i].pos(),
+ otext.outerFont(slices_[i].pit())).language();
+ Encoding const * oenc = olang->encoding();
+ if (oenc->name() != "inherit")
+ return inset().forcedEncoding(enc, oenc);
+ }
+ // Fall back to buffer encoding if no outer lang was found.
+ return inset().forcedEncoding(enc, &bp.encoding());
+ }
+
+ // Inherited encoding (latex_language) is determined by the context
+ // Look for the first outer encoding that is not itself "inherit"
+ if (lang->encoding()->name() == "inherit") {
+ size_t const n = depth();
+ for (size_t i = 0; i < n; ++i) {
+ Text const & otext = *slices_[i].text();
+ Language const * olang =
+ otext.getPar(slices_[i].pit()).getFont(bp, slices_[i].pos(),
+ otext.outerFont(slices_[i].pit())).language();
+ // Again, if we have a custom encoding, this is used
+ // instead of the language's.
+ Encoding const * oenc = customenc ? &bp.encoding() : olang->encoding();
+ if (olang->encoding()->name() != "inherit")
+ return oenc;
+ }
+ }
+
+ return enc;
+}
+
+
ostream & operator<<(ostream & os, DocIterator const & dit)
{
for (size_t i = 0, n = dit.depth(); i != n; ++i)
///////////////////////////////////////////////////////
-StableDocIterator::StableDocIterator(DocIterator const & dit)
+StableDocIterator::StableDocIterator(DocIterator const & dit) :
+ data_(dit.internalData())
{
- data_ = dit.internalData();
for (size_t i = 0, n = data_.size(); i != n; ++i)
- data_[i].inset_ = 0;
+ data_[i].inset_ = nullptr;
}
-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;
}