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FindAdv: Try to find real start of found match

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Sometime it happen that the selection contains area which was skipped
in splitOnKnownMacros().
So we check, if a shorter selection would give the same mach size.
This commit is contained in:
Kornel Benko 2019-02-11 13:06:02 +01:00
parent 2215f4c2b4
commit a47dbed6bd
1 changed files with 33 additions and 0 deletions
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33
src/lyxfind.cpp
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@ -2903,6 +2903,39 @@ int findAdvFinalize(DocIterator & cur, MatchStringAdv const & match)
len = (int)((maxl + minl)/2);
}
}
old_cur = cur;
// Search for real start of matched characters
while (len > 1) {
int actual_match;
do {
cur.forwardPos();
} while (cur.depth() > old_cur.depth()); /* Skip inner insets */
if (cur.depth() < old_cur.depth()) {
// Outer inset?
LYXERR0("cur.depth() < old_cur.depth(), this should never happen");
break;
}
if (cur.pos() != old_cur.pos()) {
// OK, forwarded 1 pos in actual inset
actual_match = match(cur, len-1);
if (actual_match == max_match) {
// Ha, got it! The shorter selection has the same match length
len--;
old_cur = cur;
}
else {
// OK, the shorter selection matches less chars, revert to previous value
cur = old_cur;
break;
}
}
else {
LYXERR0("cur.pos() == old_cur.pos(), this should never happen");
actual_match = match(cur, len);
if (actual_match == max_match)
old_cur = cur;
}
}
}
return len;
}