Howto modify selection from replace buffer (FindAdv)
Kornel Benko
kornel at lyx.org
Fri Jan 8 10:39:29 UTC 2021
I have problems to _use_ matched substrings in replace-mode.
For instance given regular expression containing some groups, like
'(xxxx)(zzzz)(yyyy)'
and I want to change the found value to 'yyyyzzzzxxxx', so in regex I would write
'\3\2\1'
Now the selection contains '\3\2\1', this is selected (in lyxfind.cpp:findAdvReplace())
with
cap::pasteParagraphList(cur, repl_buffer.paragraphs(),
repl_buffer.params().documentClassPtr(),
bv->buffer().errorList("Paste"));
LYXERR(Debug::FIND, "After pasteParagraphList() cur=" << cur << endl);
sel_len = repl_buffer.paragraphs().begin()->size();
and then follows
bv->putSelectionAt(DocIterator(cur), sel_len, !opt.forward);
bv->processUpdateFlags(Update::Force);
How can I modify the data prior to inserting into buffer ?
The values of '\1', '\2', '\3' are known here, but are not used.
Kornel
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