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FindAdv: Do not search in deleted text.

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This commit is contained in:
Kornel Benko 2021-01-22 17:03:54 +01:00
parent eab9108dc1
commit 469b43c791
2 changed files with 43 additions and 53 deletions
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88
src/lyxfind.cpp
View File

@ -3622,10 +3622,10 @@ int findForwardAdv(DocIterator & cur, MatchStringAdv & match)
else { // match_len > 0
// Try to find the begin of searched string
int increment;
int firstInvalid = 100000;
int firstInvalid = cur.lastpos() - cur.pos();
{
int incrmatch = (mres.match_prefix + mres.pos - mres.leadsize + 1)*3/4;
int incrcur = (cur.lastpos() - cur.pos() + 1 )*3/4;
int incrcur = (firstInvalid + 1 )*3/4;
if (incrcur < incrmatch)
increment = incrcur;
else
@ -3636,54 +3636,44 @@ int findForwardAdv(DocIterator & cur, MatchStringAdv & match)
LYXERR(Debug::FIND, "Set increment to " << increment);
while (increment > 0) {
DocIterator old_cur = cur;
size_t skipping = cur.depth();
for (int i = 0; i < increment && cur; i++) {
cur.forwardPos();
while (cur && cur.depth() > skipping) {
cur.pos() = cur.lastpos();
cur.forwardPos();
}
}
if (! cur || (cur.pit() > old_cur.pit())) {
// Are we outside of the paragraph?
// This can happen if moving past some UTF8-encoded chars
cur = old_cur;
if (cur.pos() + increment >= cur.lastpos()) {
increment /= 2;
continue;
}
else {
MatchResult mres2 = match(cur, -1, false);
displayMres(mres2, "findForwardAdv loop", cur)
switch (interpretMatch(mres, mres2)) {
cur.pos() = cur.pos() + increment;
MatchResult mres2 = match(cur, -1, false);
displayMres(mres2, "findForwardAdv loop", cur)
switch (interpretMatch(mres, mres2)) {
case MatchResult::newIsTooFar:
// behind the expected match
firstInvalid = increment;
cur = old_cur;
increment /= 2;
break;
// behind the expected match
firstInvalid = increment;
cur = old_cur;
increment /= 2;
break;
case MatchResult::newIsBetter:
// not reached yet, but cur.pos()+increment is bettert
mres = mres2;
firstInvalid -= increment;
if (increment > firstInvalid*3/4)
increment = firstInvalid*3/4;
if ((mres2.pos == mres2.leadsize) && (increment >= mres2.match_prefix)) {
if (increment >= mres2.match_prefix)
increment = (mres2.match_prefix+1)*3/4;
}
break;
// not reached yet, but cur.pos()+increment is bettert
mres = mres2;
firstInvalid -= increment;
if (increment > firstInvalid*3/4)
increment = firstInvalid*3/4;
if ((mres2.pos == mres2.leadsize) && (increment >= mres2.match_prefix)) {
if (increment >= mres2.match_prefix)
increment = (mres2.match_prefix+1)*3/4;
}
break;
default:
// Todo@
// Handle not like MatchResult::newIsTooFar
LYXERR0( "Probably too far: Increment = " << increment << " match_prefix = " << mres.match_prefix);
firstInvalid--;
increment = increment*3/4;
cur = old_cur;
break;
}
// Todo@
// Handle not like MatchResult::newIsTooFar
LYXERR0( "Probably too far: Increment = " << increment << " match_prefix = " << mres.match_prefix);
firstInvalid--;
increment = increment*3/4;
cur = old_cur;
break;
}
}
if (mres.match_len > 0) {
if (mres.match_prefix + mres.pos - mres.leadsize > 0) {
// The match seems to indicate some deeper level
repeat = true;
orig_cur = cur;
orig_mres = mres;
@ -3692,7 +3682,7 @@ int findForwardAdv(DocIterator & cur, MatchStringAdv & match)
}
}
else if (repeat) {
// seems to never be reached.
// should never be reached.
cur = orig_cur;
mres = orig_mres;
}
@ -3700,15 +3690,15 @@ int findForwardAdv(DocIterator & cur, MatchStringAdv & match)
LYXERR(Debug::FIND, "Finalizing 1");
MatchResult found_match = findAdvFinalize(cur, match, mres);
if (found_match.match_len > 0) {
LASSERT(found_match.pos_len > 0, /**/);
match.FillResults(found_match);
return found_match.pos_len;
LASSERT(found_match.pos_len > 0, /**/);
match.FillResults(found_match);
return found_match.pos_len;
}
else {
// try next possible match
cur.forwardPos();
repeat = false;
continue;
// try next possible match
cur.forwardPos();
repeat = false;
continue;
}
}
}

8
src/output_latex.cpp
View File

@ -444,7 +444,7 @@ void TeXEnvironment(Buffer const & buf, Text const & text,
if ((par->layout() != nextpar->layout()
|| par->params().depth() == nextpar->params().depth()
|| par->params().leftIndent() == nextpar->params().leftIndent())
&& !runparams.for_search && !cpar.empty()
&& !cpar.empty()
&& cpar.isDeleted(0, cpar.size()) && !buf.params().output_changes) {
if (!buf.params().output_changes && !cpar.parEndChange().deleted())
os << '\n' << '\n';
@ -759,7 +759,7 @@ void TeXOnePar(Buffer const & buf,
// Do not output empty commands if the whole paragraph has
// been deleted with ct and changes are not output.
if (!runparams_in.for_search && style.latextype != LATEX_ENVIRONMENT
if (style.latextype != LATEX_ENVIRONMENT
&& !par.empty() && par.isDeleted(0, par.size()) && !bparams.output_changes)
return;
@ -1665,7 +1665,7 @@ void latexParagraphs(Buffer const & buf,
if ((par->layout() != nextpar->layout()
|| par->params().depth() == nextpar->params().depth()
|| par->params().leftIndent() == nextpar->params().leftIndent())
&& !runparams.for_search && !cpar.empty()
&& !cpar.empty()
&& cpar.isDeleted(0, cpar.size()) && !bparams.output_changes) {
if (!cpar.parEndChange().deleted())
os << '\n' << '\n';
@ -1674,7 +1674,7 @@ void latexParagraphs(Buffer const & buf,
} else {
// This is the last par
Paragraph const & cpar = paragraphs.at(pit);
if (!runparams.for_search && !cpar.empty()
if (!cpar.empty()
&& cpar.isDeleted(0, cpar.size()) && !bparams.output_changes) {
if (!cpar.parEndChange().deleted())
os << '\n' << '\n';