3 * This file is part of LyX, the document processor.
4 * License details can be found in the file COPYING.
6 * \author Lars Gullik Bjønnes
9 * \author Alfredo Braunstein
10 * \author Tommaso Cucinotta
12 * Full author contact details are available in file CREDITS.
20 #include "buffer_funcs.h"
21 #include "BufferList.h"
22 #include "BufferParams.h"
23 #include "BufferView.h"
26 #include "CutAndPaste.h"
27 #include "FuncRequest.h"
29 #include "output_latex.h"
30 #include "OutputParams.h"
31 #include "Paragraph.h"
32 #include "ParIterator.h"
36 #include "frontends/Application.h"
37 #include "frontends/alert.h"
39 #include "mathed/InsetMath.h"
40 #include "mathed/InsetMathGrid.h"
41 #include "mathed/InsetMathHull.h"
42 #include "mathed/MathStream.h"
43 #include "mathed/MathSupport.h"
45 #include "support/convert.h"
46 #include "support/debug.h"
47 #include "support/docstream.h"
48 #include "support/gettext.h"
49 #include "support/lassert.h"
50 #include "support/lstrings.h"
52 #include "support/regex.h"
53 #include <boost/next_prior.hpp>
56 using namespace lyx::support;
62 bool parse_bool(docstring & howto)
67 howto = split(howto, var, ' ');
72 class MatchString : public binary_function<Paragraph, pos_type, int>
75 MatchString(docstring const & str, bool cs, bool mw)
76 : str(str), case_sens(cs), whole_words(mw)
79 // returns true if the specified string is at the specified position
80 // del specifies whether deleted strings in ct mode will be considered
81 int operator()(Paragraph const & par, pos_type pos, bool del = true) const
83 return par.find(str, case_sens, whole_words, pos, del);
91 // match whole words only
96 int findForward(DocIterator & cur, MatchString const & match,
99 for (; cur; cur.forwardChar())
100 if (cur.inTexted()) {
101 int len = match(cur.paragraph(), cur.pos(), find_del);
109 int findBackwards(DocIterator & cur, MatchString const & match,
110 bool find_del = true)
114 if (cur.inTexted()) {
115 int len = match(cur.paragraph(), cur.pos(), find_del);
124 bool findChange(DocIterator & cur, bool next)
128 for (; cur; next ? cur.forwardPos() : cur.backwardPos())
129 if (cur.inTexted() && cur.paragraph().isChanged(cur.pos())) {
131 // if we search backwards, take a step forward
132 // to correctly set the anchor
141 bool searchAllowed(docstring const & str)
144 frontend::Alert::error(_("Search error"), _("Search string is empty"));
151 bool findOne(BufferView * bv, docstring const & searchstr,
152 bool case_sens, bool whole, bool forward, bool find_del = true)
154 if (!searchAllowed(searchstr))
157 DocIterator cur = forward
158 ? bv->cursor().selectionEnd()
159 : bv->cursor().selectionBegin();
161 MatchString const match(searchstr, case_sens, whole);
163 int match_len = forward
164 ? findForward(cur, match, find_del)
165 : findBackwards(cur, match, find_del);
168 bv->putSelectionAt(cur, match_len, !forward);
170 return match_len > 0;
174 int replaceAll(BufferView * bv,
175 docstring const & searchstr, docstring const & replacestr,
176 bool case_sens, bool whole)
178 Buffer & buf = bv->buffer();
180 if (!searchAllowed(searchstr) || buf.isReadonly())
183 DocIterator cur_orig(bv->cursor());
185 MatchString const match(searchstr, case_sens, whole);
188 int const rsize = replacestr.size();
189 int const ssize = searchstr.size();
192 cur.setCursor(doc_iterator_begin(&buf));
193 int match_len = findForward(cur, match, false);
194 while (match_len > 0) {
195 // Backup current cursor position and font.
196 pos_type const pos = cur.pos();
197 Font const font = cur.paragraph().getFontSettings(buf.params(), pos);
199 int striked = ssize -
200 cur.paragraph().eraseChars(pos, pos + match_len,
201 buf.params().trackChanges);
202 cur.paragraph().insert(pos, replacestr, font,
203 Change(buf.params().trackChanges
205 : Change::UNCHANGED));
206 for (int i = 0; i < rsize + striked; ++i)
209 match_len = findForward(cur, match, false);
212 bv->putSelectionAt(doc_iterator_begin(&buf), 0, false);
214 cur_orig.fixIfBroken();
215 bv->setCursor(cur_orig);
221 // the idea here is that we are going to replace the string that
222 // is selected IF it is the search string.
223 // if there is a selection, but it is not the search string, then
224 // we basically ignore it. (FIXME We ought to replace only within
226 // if there is no selection, then:
227 // (i) if some search string has been provided, then we find it.
228 // (think of how the dialog works when you hit "replace" the
230 // (ii) if no search string has been provided, then we treat the
231 // word the cursor is in as the search string. (why? i have no
232 // idea.) but this only works in text?
234 // returns the number of replacements made (one, if any) and
235 // whether anything at all was done.
236 pair<bool, int> replaceOne(BufferView * bv, docstring searchstr,
237 docstring const & replacestr, bool case_sens,
238 bool whole, bool forward, bool findnext)
240 Cursor & cur = bv->cursor();
241 if (!cur.selection()) {
242 // no selection, non-empty search string: find it
243 if (!searchstr.empty()) {
244 findOne(bv, searchstr, case_sens, whole, forward);
245 return make_pair(true, 0);
247 // empty search string
250 return make_pair(false, 0);
251 // select current word and treat it as the search string
252 cur.innerText()->selectWord(cur, WHOLE_WORD);
253 searchstr = cur.selectionAsString(false);
256 // if we still don't have a search string, report the error
258 if (!searchAllowed(searchstr))
259 return make_pair(false, 0);
261 bool have_selection = cur.selection();
262 docstring const selected = cur.selectionAsString(false);
265 ? searchstr == selected
266 : compare_no_case(searchstr, selected) == 0;
268 // no selection or current selection is not search word:
269 // just find the search word
270 if (!have_selection || !match) {
271 findOne(bv, searchstr, case_sens, whole, forward);
272 return make_pair(true, 0);
275 // we're now actually ready to replace. if the buffer is
276 // read-only, we can't, though.
277 if (bv->buffer().isReadonly())
278 return make_pair(false, 0);
280 cap::replaceSelectionWithString(cur, replacestr);
282 cur.pos() += replacestr.length();
283 LASSERT(cur.pos() <= cur.lastpos(), /* */);
286 findOne(bv, searchstr, case_sens, whole, forward, false);
288 return make_pair(true, 1);
294 docstring const find2string(docstring const & search,
295 bool casesensitive, bool matchword, bool forward)
299 << int(casesensitive) << ' '
300 << int(matchword) << ' '
306 docstring const replace2string(docstring const & replace,
307 docstring const & search,
308 bool casesensitive, bool matchword,
309 bool all, bool forward, bool findnext)
312 ss << replace << '\n'
314 << int(casesensitive) << ' '
315 << int(matchword) << ' '
317 << int(forward) << ' '
323 bool lyxfind(BufferView * bv, FuncRequest const & ev)
325 if (!bv || ev.action() != LFUN_WORD_FIND)
328 //lyxerr << "find called, cmd: " << ev << endl;
330 // data is of the form
332 // <casesensitive> <matchword> <forward>"
334 docstring howto = split(ev.argument(), search, '\n');
336 bool casesensitive = parse_bool(howto);
337 bool matchword = parse_bool(howto);
338 bool forward = parse_bool(howto);
340 return findOne(bv, search, casesensitive, matchword, forward);
344 bool lyxreplace(BufferView * bv,
345 FuncRequest const & ev, bool has_deleted)
347 if (!bv || ev.action() != LFUN_WORD_REPLACE)
350 // data is of the form
353 // <casesensitive> <matchword> <all> <forward> <findnext>"
356 docstring howto = split(ev.argument(), rplc, '\n');
357 howto = split(howto, search, '\n');
359 bool casesensitive = parse_bool(howto);
360 bool matchword = parse_bool(howto);
361 bool all = parse_bool(howto);
362 bool forward = parse_bool(howto);
363 bool findnext = howto.empty() ? true : parse_bool(howto);
365 int replace_count = 0;
370 replace_count = replaceAll(bv, search, rplc, casesensitive, matchword);
371 update = replace_count > 0;
374 replaceOne(bv, search, rplc, casesensitive, matchword, forward, findnext);
376 replace_count = rv.second;
379 Buffer const & buf = bv->buffer();
381 // emit message signal.
382 buf.message(_("String not found."));
384 if (replace_count == 0) {
385 buf.message(_("String found."));
386 } else if (replace_count == 1) {
387 buf.message(_("String has been replaced."));
389 docstring const str =
390 bformat(_("%1$d strings have been replaced."), replace_count);
394 } else if (findnext) {
395 // if we have deleted characters, we do not replace at all, but
396 // rather search for the next occurence
397 if (findOne(bv, search, casesensitive, matchword, forward))
400 bv->message(_("String not found."));
406 bool findNextChange(BufferView * bv)
408 return findChange(bv, true);
412 bool findPreviousChange(BufferView * bv)
414 return findChange(bv, false);
418 bool findChange(BufferView * bv, bool next)
420 if (bv->cursor().selection()) {
421 // set the cursor at the beginning or at the end of the selection
422 // before searching. Otherwise, the current change will be found.
423 if (next != (bv->cursor().top() > bv->cursor().normalAnchor()))
424 bv->cursor().setCursorToAnchor();
427 DocIterator cur = bv->cursor();
429 // Are we within a change ? Then first search forward (backward),
430 // clear the selection and search the other way around (see the end
431 // of this function). This will avoid changes to be selected half.
432 bool search_both_sides = false;
433 DocIterator tmpcur = cur;
435 while (tmpcur.inMathed())
437 Change change_next_pos
438 = tmpcur.paragraph().lookupChange(tmpcur.pos());
439 if (change_next_pos.changed() && cur.inMathed()) {
441 search_both_sides = true;
442 } else if (tmpcur.pos() > 0 && tmpcur.inTexted()) {
443 Change change_prev_pos
444 = tmpcur.paragraph().lookupChange(tmpcur.pos() - 1);
445 if (change_next_pos.isSimilarTo(change_prev_pos))
446 search_both_sides = true;
449 if (!findChange(cur, next))
452 bv->cursor().setCursor(cur);
453 bv->cursor().resetAnchor();
455 CursorSlice & tip = cur.top();
458 // take a step into the change
461 Change orig_change = tip.paragraph().lookupChange(tip.pos());
464 for (; !tip.at_end(); tip.forwardPos()) {
465 Change change = tip.paragraph().lookupChange(tip.pos());
466 if (!change.isSimilarTo(orig_change))
470 for (; !tip.at_begin();) {
472 Change change = tip.paragraph().lookupChange(tip.pos());
473 if (!change.isSimilarTo(orig_change)) {
474 // take a step forward to correctly set the selection
481 // Now put cursor to end of selection:
482 bv->cursor().setCursor(cur);
483 bv->cursor().setSelection();
485 if (search_both_sides) {
486 bv->cursor().setSelection(false);
487 findChange(bv, !next);
495 typedef vector<pair<string, string> > Escapes;
497 /// A map of symbols and their escaped equivalent needed within a regex.
498 /// @note Beware of order
499 Escapes const & get_regexp_escapes()
501 typedef std::pair<std::string, std::string> P;
503 static Escapes escape_map;
504 if (escape_map.empty()) {
505 escape_map.push_back(P("$", "_x_$"));
506 escape_map.push_back(P("{", "_x_{"));
507 escape_map.push_back(P("}", "_x_}"));
508 escape_map.push_back(P("[", "_x_["));
509 escape_map.push_back(P("]", "_x_]"));
510 escape_map.push_back(P("(", "_x_("));
511 escape_map.push_back(P(")", "_x_)"));
512 escape_map.push_back(P("+", "_x_+"));
513 escape_map.push_back(P("*", "_x_*"));
514 escape_map.push_back(P(".", "_x_."));
515 escape_map.push_back(P("\\", "(?:\\\\|\\\\backslash)"));
516 escape_map.push_back(P("~", "(?:\\\\textasciitilde|\\\\sim)"));
517 escape_map.push_back(P("^", "(?:\\^|\\\\textasciicircum\\{\\}|\\\\mathcircumflex)"));
518 escape_map.push_back(P("_x_", "\\"));
523 /// A map of lyx escaped strings and their unescaped equivalent.
524 Escapes const & get_lyx_unescapes()
526 typedef std::pair<std::string, std::string> P;
528 static Escapes escape_map;
529 if (escape_map.empty()) {
530 escape_map.push_back(P("\\%", "%"));
531 escape_map.push_back(P("\\mathcircumflex ", "^"));
532 escape_map.push_back(P("\\mathcircumflex", "^"));
533 escape_map.push_back(P("\\backslash ", "\\"));
534 escape_map.push_back(P("\\backslash", "\\"));
535 escape_map.push_back(P("\\\\{", "_x_<"));
536 escape_map.push_back(P("\\\\}", "_x_>"));
537 escape_map.push_back(P("\\sim ", "~"));
538 escape_map.push_back(P("\\sim", "~"));
543 /// A map of escapes turning a regexp matching text to one matching latex.
544 Escapes const & get_regexp_latex_escapes()
546 typedef std::pair<std::string, std::string> P;
548 static Escapes escape_map;
549 if (escape_map.empty()) {
550 escape_map.push_back(P("\\\\", "(?:\\\\\\\\|\\\\backslash|\\\\textbackslash\\{\\})"));
551 escape_map.push_back(P("(<?!\\\\\\\\textbackslash)\\{", "\\\\\\{"));
552 escape_map.push_back(P("(<?!\\\\\\\\textbackslash\\\\\\{)\\}", "\\\\\\}"));
553 escape_map.push_back(P("\\[", "\\{\\[\\}"));
554 escape_map.push_back(P("\\]", "\\{\\]\\}"));
555 escape_map.push_back(P("\\^", "(?:\\^|\\\\textasciicircum\\{\\}|\\\\mathcircumflex)"));
556 escape_map.push_back(P("%", "\\\\\\%"));
561 /** @todo Probably the maps need to be migrated to regexps, in order to distinguish if
562 ** the found occurrence were escaped.
564 string apply_escapes(string s, Escapes const & escape_map)
566 LYXERR(Debug::FIND, "Escaping: '" << s << "'");
567 Escapes::const_iterator it;
568 for (it = escape_map.begin(); it != escape_map.end(); ++it) {
569 // LYXERR(Debug::FIND, "Escaping " << it->first << " as " << it->second);
570 unsigned int pos = 0;
571 while (pos < s.length() && (pos = s.find(it->first, pos)) < s.length()) {
572 s.replace(pos, it->first.length(), it->second);
573 LYXERR(Debug::FIND, "After escape: " << s);
574 pos += it->second.length();
575 // LYXERR(Debug::FIND, "pos: " << pos);
578 LYXERR(Debug::FIND, "Escaped : '" << s << "'");
583 /// Within \regexp{} apply get_lyx_unescapes() only (i.e., preserve regexp semantics of the string),
584 /// while outside apply get_lyx_unescapes()+get_regexp_escapes().
585 /// If match_latex is true, then apply regexp_latex_escapes() to \regexp{} contents as well.
586 string escape_for_regex(string s, bool match_latex)
589 while (pos < s.size()) {
590 size_t new_pos = s.find("\\regexp{", pos);
591 if (new_pos == string::npos)
593 LYXERR(Debug::FIND, "new_pos: " << new_pos);
594 string t = apply_escapes(s.substr(pos, new_pos - pos), get_lyx_unescapes());
595 LYXERR(Debug::FIND, "t [lyx]: " << t);
596 t = apply_escapes(t, get_regexp_escapes());
597 LYXERR(Debug::FIND, "t [rxp]: " << t);
598 s.replace(pos, new_pos - pos, t);
599 new_pos = pos + t.size();
600 LYXERR(Debug::FIND, "Regexp after escaping: " << s);
601 LYXERR(Debug::FIND, "new_pos: " << new_pos);
602 if (new_pos == s.size())
604 // Might fail if \\endregexp{} is preceeded by unexpected stuff (weird escapes)
605 size_t end_pos = s.find("\\endregexp{}}", new_pos + 8);
606 LYXERR(Debug::FIND, "end_pos: " << end_pos);
607 t = s.substr(new_pos + 8, end_pos - (new_pos + 8));
608 LYXERR(Debug::FIND, "t in regexp : " << t);
609 t = apply_escapes(t, get_lyx_unescapes());
610 LYXERR(Debug::FIND, "t in regexp [lyx]: " << t);
612 t = apply_escapes(t, get_regexp_latex_escapes());
613 LYXERR(Debug::FIND, "t in regexp [ltx]: " << t);
615 if (end_pos == s.size()) {
616 s.replace(new_pos, end_pos - new_pos, t);
618 LYXERR(Debug::FIND, "Regexp after \\regexp{} removal: " << s);
621 s.replace(new_pos, end_pos + 13 - new_pos, t);
622 LYXERR(Debug::FIND, "Regexp after \\regexp{...\\endregexp{}} removal: " << s);
623 pos = new_pos + t.size();
624 LYXERR(Debug::FIND, "pos: " << pos);
630 /// Wrapper for lyx::regex_replace with simpler interface
631 bool regex_replace(string const & s, string & t, string const & searchstr,
632 string const & replacestr)
634 lyx::regex e(searchstr);
636 ostream_iterator<char, char> it(oss);
637 lyx::regex_replace(it, s.begin(), s.end(), e, replacestr);
638 // tolerate t and s be references to the same variable
639 bool rv = (s != oss.str());
645 /** Checks if supplied string segment is well-formed from the standpoint of matching open-closed braces.
647 ** Verify that closed braces exactly match open braces. This avoids that, for example,
648 ** \frac{.*}{x} matches \frac{x+\frac{y}{x}}{z} with .* being 'x+\frac{y'.
651 ** Number of open braces that must remain open at the end for the verification to succeed.
653 bool braces_match(string::const_iterator const & beg,
654 string::const_iterator const & end,
658 string::const_iterator it = beg;
659 LYXERR(Debug::FIND, "Checking " << unmatched << " unmatched braces in '" << string(beg, end) << "'");
660 for (; it != end; ++it) {
661 // Skip escaped braces in the count
666 } else if (*it == '{') {
668 } else if (*it == '}') {
669 if (open_pars == 0) {
670 LYXERR(Debug::FIND, "Found unmatched closed brace");
676 if (open_pars != unmatched) {
677 LYXERR(Debug::FIND, "Found " << open_pars
678 << " instead of " << unmatched
679 << " unmatched open braces at the end of count");
682 LYXERR(Debug::FIND, "Braces match as expected");
687 /** The class performing a match between a position in the document and the FindAdvOptions.
689 class MatchStringAdv {
691 MatchStringAdv(lyx::Buffer & buf, FindAndReplaceOptions const & opt);
693 /** Tests if text starting at the supplied position matches with the one provided to the MatchStringAdv
694 ** constructor as opt.search, under the opt.* options settings.
697 ** If set, then match is searched only against beginning of text starting at cur.
698 ** If unset, then match is searched anywhere in text starting at cur.
701 ** The length of the matching text, or zero if no match was found.
703 int operator()(DocIterator const & cur, int len = -1, bool at_begin = true) const;
708 /// first buffer on which search was started
709 lyx::Buffer * const p_first_buf;
711 FindAndReplaceOptions const & opt;
714 /// Auxiliary find method (does not account for opt.matchword)
715 int findAux(DocIterator const & cur, int len = -1, bool at_begin = true) const;
717 /** Normalize a stringified or latexified LyX paragraph.
721 ** <li>if search is not casesensitive, then lowercase the string;
722 ** <li>remove any newline at begin or end of the string;
723 ** <li>replace any newline in the middle of the string with a simple space;
724 ** <li>remove stale empty styles and environments, like \emph{} and \textbf{}.
727 ** @todo Normalization should also expand macros, if the corresponding
728 ** search option was checked.
730 string normalize(docstring const & s, bool hack_braces) const;
731 // normalized string to search
732 string par_as_string;
733 // regular expression to use for searching
735 // same as regexp, but prefixed with a ".*"
737 // leading format material as string
738 string lead_as_string;
739 // par_as_string after removal of lead_as_string
740 string par_as_string_nolead;
741 // unmatched open braces in the search string/regexp
743 // number of (.*?) subexpressions added at end of search regexp for closing
744 // environments, math mode, styles, etc...
746 // Are we searching with regular expressions ?
751 static docstring buffer_to_latex(Buffer & buffer)
753 OutputParams runparams(&buffer.params().encoding());
755 odocstringstream ods;
756 otexstream os(ods, texrow);
757 runparams.nice = true;
758 runparams.flavor = OutputParams::LATEX;
759 runparams.linelen = 80; //lyxrc.plaintext_linelen;
760 // No side effect of file copying and image conversion
761 runparams.dryrun = true;
762 pit_type const endpit = buffer.paragraphs().size();
763 for (pit_type pit = 0; pit != endpit; ++pit) {
764 TeXOnePar(buffer, buffer.text(), pit, os, runparams);
765 LYXERR(Debug::FIND, "searchString up to here: " << ods.str());
771 static docstring stringifySearchBuffer(Buffer & buffer, FindAndReplaceOptions const & opt)
774 if (!opt.ignoreformat) {
775 str = buffer_to_latex(buffer);
777 OutputParams runparams(&buffer.params().encoding());
778 runparams.nice = true;
779 runparams.flavor = OutputParams::LATEX;
780 runparams.linelen = 100000; //lyxrc.plaintext_linelen;
781 runparams.dryrun = true;
782 for (pos_type pit = pos_type(0); pit < (pos_type)buffer.paragraphs().size(); ++pit) {
783 Paragraph const & par = buffer.paragraphs().at(pit);
784 LYXERR(Debug::FIND, "Adding to search string: '"
785 << par.stringify(pos_type(0), par.size(),
786 AS_STR_INSETS, runparams)
788 str += par.stringify(pos_type(0), par.size(),
789 AS_STR_INSETS, runparams);
796 /// Return separation pos between the leading material and the rest
797 static size_t identifyLeading(string const & s)
800 // @TODO Support \item[text]
801 while (regex_replace(t, t, "^\\\\(emph|textbf|subsubsection|subsection|section|subparagraph|paragraph|part)\\*?\\{", "")
802 || regex_replace(t, t, "^\\$", "")
803 || regex_replace(t, t, "^\\\\\\[ ", "")
804 || regex_replace(t, t, "^\\\\item ", "")
805 || regex_replace(t, t, "^\\\\begin\\{[a-zA-Z_]*\\*?\\} ", ""))
806 LYXERR(Debug::FIND, " after removing leading $, \\[ , \\emph{, \\textbf{, etc.: '" << t << "'");
811 // Remove trailing closure of math, macros and environments, so to catch parts of them.
812 static int identifyClosing(string & t)
816 LYXERR(Debug::FIND, "identifyClosing(): t now is '" << t << "'");
817 if (regex_replace(t, t, "(.*[^\\\\])\\$\\'", "$1"))
819 if (regex_replace(t, t, "(.*[^\\\\]) \\\\\\]\\'", "$1"))
821 if (regex_replace(t, t, "(.*[^\\\\]) \\\\end\\{[a-zA-Z_]*\\*?\\}\\'", "$1"))
823 if (regex_replace(t, t, "(.*[^\\\\])\\}\\'", "$1")) {
833 MatchStringAdv::MatchStringAdv(lyx::Buffer & buf, FindAndReplaceOptions const & opt)
834 : p_buf(&buf), p_first_buf(&buf), opt(opt)
836 Buffer & find_buf = *theBufferList().getBuffer(FileName(to_utf8(opt.find_buf_name)), true);
837 docstring const & ds = stringifySearchBuffer(find_buf, opt);
838 use_regexp = lyx::to_utf8(ds).find("\\regexp{") != std::string::npos;
839 // When using regexp, braces are hacked already by escape_for_regex()
840 par_as_string = normalize(ds, !use_regexp);
844 size_t lead_size = 0;
845 if (opt.ignoreformat) {
847 // if par_as_string_nolead were emty,
848 // the following call to findAux will always *find* the string
849 // in the checked data, and thus always using the slow
850 // examining of the current text part.
851 par_as_string_nolead = par_as_string;
855 lead_size = identifyLeading(par_as_string);
856 lead_as_string = par_as_string.substr(0, lead_size);
857 par_as_string_nolead = par_as_string.substr(lead_size, par_as_string.size() - lead_size);
861 open_braces = identifyClosing(par_as_string);
862 identifyClosing(par_as_string_nolead);
863 LYXERR(Debug::FIND, "Open braces: " << open_braces);
864 LYXERR(Debug::FIND, "Built MatchStringAdv object: par_as_string = '" << par_as_string << "'");
866 string lead_as_regexp;
868 // @todo No need to search for \regexp{} insets in leading material
869 lead_as_regexp = escape_for_regex(par_as_string.substr(0, lead_size), !opt.ignoreformat);
870 par_as_string = par_as_string_nolead;
871 LYXERR(Debug::FIND, "lead_as_regexp is '" << lead_as_regexp << "'");
872 LYXERR(Debug::FIND, "par_as_string now is '" << par_as_string << "'");
874 par_as_string = escape_for_regex(par_as_string, !opt.ignoreformat);
875 // Insert (.*?) before trailing closure of math, macros and environments, so to catch parts of them.
876 LYXERR(Debug::FIND, "par_as_string now is '" << par_as_string << "'");
878 // Insert .* before trailing '\$' ('$' has been escaped by escape_for_regex)
879 regex_replace(par_as_string, par_as_string, "(.*[^\\\\])(\\\\\\$)\\'", "$1(.*?)$2")
880 // Insert .* before trailing '\\\]' ('\]' has been escaped by escape_for_regex)
881 || regex_replace(par_as_string, par_as_string, "(.*[^\\\\])( \\\\\\\\\\\\\\])\\'", "$1(.*?)$2")
882 // Insert .* before trailing '\\end\{...}' ('\end{...}' has been escaped by escape_for_regex)
883 || regex_replace(par_as_string, par_as_string,
884 "(.*[^\\\\])( \\\\\\\\end\\\\\\{[a-zA-Z_]*)(\\\\\\*)?(\\\\\\})\\'", "$1(.*?)$2$3$4")
885 // Insert .* before trailing '\}' ('}' has been escaped by escape_for_regex)
886 || regex_replace(par_as_string, par_as_string, "(.*[^\\\\])(\\\\\\})\\'", "$1(.*?)$2")
890 LYXERR(Debug::FIND, "par_as_string now is '" << par_as_string << "'");
891 LYXERR(Debug::FIND, "Open braces: " << open_braces);
892 LYXERR(Debug::FIND, "Close .*? : " << close_wildcards);
893 LYXERR(Debug::FIND, "Replaced text (to be used as regex): " << par_as_string);
894 // If entered regexp must match at begin of searched string buffer
895 string regexp_str = string("\\`") + lead_as_regexp + par_as_string;
896 LYXERR(Debug::FIND, "Setting regexp to : '" << regexp_str << "'");
897 regexp = lyx::regex(regexp_str);
899 // If entered regexp may match wherever in searched string buffer
900 string regexp2_str = string("\\`.*") + lead_as_regexp + ".*" + par_as_string;
901 LYXERR(Debug::FIND, "Setting regexp2 to: '" << regexp2_str << "'");
902 regexp2 = lyx::regex(regexp2_str);
907 int MatchStringAdv::findAux(DocIterator const & cur, int len, bool at_begin) const
909 docstring docstr = stringifyFromForSearch(opt, cur, len);
910 LYXERR(Debug::FIND, "Matching against '" << lyx::to_utf8(docstr) << "'");
911 string str = normalize(docstr, true);
912 LYXERR(Debug::FIND, "After normalization: '" << str << "'");
914 LYXERR(Debug::FIND, "Searching in normal mode: par_as_string='" << par_as_string << "', str='" << str << "'");
915 LYXERR(Debug::FIND, "Searching in normal mode: lead_as_string='" << lead_as_string << "', par_as_string_nolead='" << par_as_string_nolead << "'");
917 LYXERR(Debug::FIND, "size=" << par_as_string.size() << ", substr='" << str.substr(0, par_as_string.size()) << "'");
918 if (str.substr(0, par_as_string.size()) == par_as_string)
919 return par_as_string.size();
921 size_t pos = str.find(par_as_string_nolead);
922 if (pos != string::npos)
923 return par_as_string.size();
926 LYXERR(Debug::FIND, "Searching in regexp mode: at_begin=" << at_begin);
927 // Try all possible regexp matches,
928 //until one that verifies the braces match test is found
929 regex const *p_regexp = at_begin ? ®exp : ®exp2;
930 sregex_iterator re_it(str.begin(), str.end(), *p_regexp);
931 sregex_iterator re_it_end;
932 for (; re_it != re_it_end; ++re_it) {
933 match_results<string::const_iterator> const & m = *re_it;
934 // Check braces on the segment that matched the entire regexp expression,
935 // plus the last subexpression, if a (.*?) was inserted in the constructor.
936 if (!braces_match(m[0].first, m[0].second, open_braces))
938 // Check braces on segments that matched all (.*?) subexpressions,
939 // except the last "padding" one inserted by lyx.
940 for (size_t i = 1; i < m.size() - 1; ++i)
941 if (!braces_match(m[i].first, m[i].second))
943 // Exclude from the returned match length any length
944 // due to close wildcards added at end of regexp
945 if (close_wildcards == 0)
946 return m[0].second - m[0].first;
948 return m[m.size() - close_wildcards].first - m[0].first;
955 int MatchStringAdv::operator()(DocIterator const & cur, int len, bool at_begin) const
957 int res = findAux(cur, len, at_begin);
959 "res=" << res << ", at_begin=" << at_begin
960 << ", matchword=" << opt.matchword
961 << ", inTexted=" << cur.inTexted());
962 if (res == 0 || !at_begin || !opt.matchword || !cur.inTexted())
964 Paragraph const & par = cur.paragraph();
965 bool ws_left = (cur.pos() > 0)
966 ? par.isWordSeparator(cur.pos() - 1)
968 bool ws_right = (cur.pos() + res < par.size())
969 ? par.isWordSeparator(cur.pos() + res)
972 "cur.pos()=" << cur.pos() << ", res=" << res
973 << ", separ: " << ws_left << ", " << ws_right
975 if (ws_left && ws_right)
981 string MatchStringAdv::normalize(docstring const & s, bool hack_braces) const
984 if (! opt.casesensitive)
985 t = lyx::to_utf8(lowercase(s));
988 // Remove \n at begin
989 while (!t.empty() && t[0] == '\n')
992 while (!t.empty() && t[t.size() - 1] == '\n')
993 t = t.substr(0, t.size() - 1);
995 // Replace all other \n with spaces
996 while ((pos = t.find("\n")) != string::npos)
997 t.replace(pos, 1, " ");
998 // Remove stale empty \emph{}, \textbf{} and similar blocks from latexify
999 LYXERR(Debug::FIND, "Removing stale empty \\emph{}, \\textbf{}, \\*section{} macros from: " << t);
1000 while (regex_replace(t, t, "\\\\(emph|textbf|subsubsection|subsection|section|subparagraph|paragraph|part)(\\{\\})+", ""))
1001 LYXERR(Debug::FIND, " further removing stale empty \\emph{}, \\textbf{} macros from: " << t);
1003 // FIXME - check what preceeds the brace
1005 if (opt.ignoreformat)
1006 while (regex_replace(t, t, "\\{", "_x_<")
1007 || regex_replace(t, t, "\\}", "_x_>"))
1008 LYXERR(Debug::FIND, "After {} replacement: '" << t << "'");
1010 while (regex_replace(t, t, "\\\\\\{", "_x_<")
1011 || regex_replace(t, t, "\\\\\\}", "_x_>"))
1012 LYXERR(Debug::FIND, "After {} replacement: '" << t << "'");
1019 docstring stringifyFromCursor(DocIterator const & cur, int len)
1021 LYXERR(Debug::FIND, "Stringifying with len=" << len << " from cursor at pos: " << cur);
1022 if (cur.inTexted()) {
1023 Paragraph const & par = cur.paragraph();
1024 // TODO what about searching beyond/across paragraph breaks ?
1025 // TODO Try adding a AS_STR_INSERTS as last arg
1026 pos_type end = ( len == -1 || cur.pos() + len > int(par.size()) ) ?
1027 int(par.size()) : cur.pos() + len;
1028 OutputParams runparams(&cur.buffer()->params().encoding());
1029 odocstringstream os;
1030 runparams.nice = true;
1031 runparams.flavor = OutputParams::LATEX;
1032 runparams.linelen = 100000; //lyxrc.plaintext_linelen;
1033 // No side effect of file copying and image conversion
1034 runparams.dryrun = true;
1035 LYXERR(Debug::FIND, "Stringifying with cur: "
1036 << cur << ", from pos: " << cur.pos() << ", end: " << end);
1037 return par.stringify(cur.pos(), end, AS_STR_INSETS, runparams);
1038 } else if (cur.inMathed()) {
1040 CursorSlice cs = cur.top();
1041 MathData md = cs.cell();
1042 MathData::const_iterator it_end =
1043 (( len == -1 || cs.pos() + len > int(md.size()))
1045 : md.begin() + cs.pos() + len );
1046 for (MathData::const_iterator it = md.begin() + cs.pos();
1048 s = s + asString(*it);
1049 LYXERR(Debug::FIND, "Stringified math: '" << s << "'");
1052 LYXERR(Debug::FIND, "Don't know how to stringify from here: " << cur);
1057 /** Computes the LaTeX export of buf starting from cur and ending len positions
1058 * after cur, if len is positive, or at the paragraph or innermost inset end
1061 docstring latexifyFromCursor(DocIterator const & cur, int len)
1063 LYXERR(Debug::FIND, "Latexifying with len=" << len << " from cursor at pos: " << cur);
1064 LYXERR(Debug::FIND, " with cur.lastpost=" << cur.lastpos() << ", cur.lastrow="
1065 << cur.lastrow() << ", cur.lastcol=" << cur.lastcol());
1066 Buffer const & buf = *cur.buffer();
1067 LASSERT(buf.params().isLatex(), /* */);
1070 odocstringstream ods;
1071 otexstream os(ods, texrow);
1072 OutputParams runparams(&buf.params().encoding());
1073 runparams.nice = false;
1074 runparams.flavor = OutputParams::LATEX;
1075 runparams.linelen = 8000; //lyxrc.plaintext_linelen;
1076 // No side effect of file copying and image conversion
1077 runparams.dryrun = true;
1079 if (cur.inTexted()) {
1080 // @TODO what about searching beyond/across paragraph breaks ?
1081 pos_type endpos = cur.paragraph().size();
1082 if (len != -1 && endpos > cur.pos() + len)
1083 endpos = cur.pos() + len;
1084 TeXOnePar(buf, *cur.innerText(), cur.pit(), os, runparams,
1085 string(), cur.pos(), endpos);
1086 LYXERR(Debug::FIND, "Latexified text: '" << lyx::to_utf8(ods.str()) << "'");
1087 } else if (cur.inMathed()) {
1088 // Retrieve the math environment type, and add '$' or '$[' or others (\begin{equation}) accordingly
1089 for (int s = cur.depth() - 1; s >= 0; --s) {
1090 CursorSlice const & cs = cur[s];
1091 if (cs.asInsetMath() && cs.asInsetMath() && cs.asInsetMath()->asHullInset()) {
1092 WriteStream ws(ods);
1093 cs.asInsetMath()->asHullInset()->header_write(ws);
1098 CursorSlice const & cs = cur.top();
1099 MathData md = cs.cell();
1100 MathData::const_iterator it_end =
1101 ((len == -1 || cs.pos() + len > int(md.size()))
1103 : md.begin() + cs.pos() + len);
1104 for (MathData::const_iterator it = md.begin() + cs.pos();
1106 ods << asString(*it);
1108 // Retrieve the math environment type, and add '$' or '$]'
1109 // or others (\end{equation}) accordingly
1110 for (int s = cur.depth() - 1; s >= 0; --s) {
1111 CursorSlice const & cs = cur[s];
1112 InsetMath * inset = cs.asInsetMath();
1113 if (inset && inset->asHullInset()) {
1114 WriteStream ws(ods);
1115 inset->asHullInset()->footer_write(ws);
1119 LYXERR(Debug::FIND, "Latexified math: '" << lyx::to_utf8(ods.str()) << "'");
1121 LYXERR(Debug::FIND, "Don't know how to stringify from here: " << cur);
1127 /** Finalize an advanced find operation, advancing the cursor to the innermost
1128 ** position that matches, plus computing the length of the matching text to
1131 int findAdvFinalize(DocIterator & cur, MatchStringAdv const & match)
1133 // Search the foremost position that matches (avoids find of entire math
1134 // inset when match at start of it)
1136 DocIterator old_cur(cur.buffer());
1138 LYXERR(Debug::FIND, "Forwarding one step (searching for innermost match)");
1142 } while (cur && cur.depth() > d && match(cur) > 0);
1144 LASSERT(match(cur) > 0, /* */);
1145 LYXERR(Debug::FIND, "Ok");
1147 // Compute the match length
1149 if (cur.pos() + len > cur.lastpos())
1151 LYXERR(Debug::FIND, "verifying unmatch with len = " << len);
1152 while (cur.pos() + len <= cur.lastpos() && match(cur, len) == 0) {
1154 LYXERR(Debug::FIND, "verifying unmatch with len = " << len);
1156 // Length of matched text (different from len param)
1157 int old_len = match(cur, len);
1159 // Greedy behaviour while matching regexps
1160 while ((new_len = match(cur, len + 1)) > old_len) {
1163 LYXERR(Debug::FIND, "verifying match with len = " << len);
1170 int findForwardAdv(DocIterator & cur, MatchStringAdv & match)
1174 while (!theApp()->longOperationCancelled() && cur) {
1175 LYXERR(Debug::FIND, "findForwardAdv() cur: " << cur);
1176 int match_len = match(cur, -1, false);
1177 LYXERR(Debug::FIND, "match_len: " << match_len);
1179 for (; !theApp()->longOperationCancelled() && cur; cur.forwardPos()) {
1180 LYXERR(Debug::FIND, "Advancing cur: " << cur);
1181 int match_len = match(cur);
1182 LYXERR(Debug::FIND, "match_len: " << match_len);
1184 // Sometimes in finalize we understand it wasn't a match
1185 // and we need to continue the outest loop
1186 int len = findAdvFinalize(cur, match);
1194 if (cur.pit() < cur.lastpit()) {
1195 LYXERR(Debug::FIND, "Advancing par: cur=" << cur);
1198 // This should exit nested insets, if any, or otherwise undefine the currsor.
1199 cur.pos() = cur.lastpos();
1200 LYXERR(Debug::FIND, "Advancing pos: cur=" << cur);
1208 /// Find the most backward consecutive match within same paragraph while searching backwards.
1209 int findMostBackwards(DocIterator & cur, MatchStringAdv const & match)
1211 DocIterator cur_begin = doc_iterator_begin(cur.buffer());
1212 DocIterator tmp_cur = cur;
1213 int len = findAdvFinalize(tmp_cur, match);
1214 Inset & inset = cur.inset();
1215 for (; cur != cur_begin; cur.backwardPos()) {
1216 LYXERR(Debug::FIND, "findMostBackwards(): cur=" << cur);
1217 DocIterator new_cur = cur;
1218 new_cur.backwardPos();
1219 if (new_cur == cur || &new_cur.inset() != &inset || !match(new_cur))
1221 int new_len = findAdvFinalize(new_cur, match);
1226 LYXERR(Debug::FIND, "findMostBackwards(): exiting with cur=" << cur);
1232 int findBackwardsAdv(DocIterator & cur, MatchStringAdv & match)
1236 // Backup of original position
1237 DocIterator cur_begin = doc_iterator_begin(cur.buffer());
1238 if (cur == cur_begin)
1241 DocIterator cur_orig(cur);
1243 bool pit_changed = false;
1244 found_match = false;
1247 found_match = match(cur, -1, false);
1251 cur.pos() = cur.lastpos();
1253 cur.pos() = cur_orig.pos();
1254 LYXERR(Debug::FIND, "findBackAdv2: cur: " << cur);
1255 DocIterator cur_prev_iter;
1257 found_match = match(cur);
1258 LYXERR(Debug::FIND, "findBackAdv3: found_match="
1259 << found_match << ", cur: " << cur);
1261 return findMostBackwards(cur, match);
1263 // Stop if begin of document reached
1264 if (cur == cur_begin)
1266 cur_prev_iter = cur;
1270 if (cur == cur_begin)
1277 } while (!theApp()->longOperationCancelled());
1282 } // anonym namespace
1285 docstring stringifyFromForSearch(FindAndReplaceOptions const & opt,
1286 DocIterator const & cur, int len)
1288 LASSERT(cur.pos() >= 0 && cur.pos() <= cur.lastpos(), /* */);
1289 if (!opt.ignoreformat)
1290 return latexifyFromCursor(cur, len);
1292 return stringifyFromCursor(cur, len);
1296 FindAndReplaceOptions::FindAndReplaceOptions(
1297 docstring const & find_buf_name, bool casesensitive,
1298 bool matchword, bool forward, bool expandmacros, bool ignoreformat,
1299 docstring const & repl_buf_name, bool keep_case,
1301 : find_buf_name(find_buf_name), casesensitive(casesensitive), matchword(matchword),
1302 forward(forward), expandmacros(expandmacros), ignoreformat(ignoreformat),
1303 repl_buf_name(repl_buf_name), keep_case(keep_case), scope(scope)
1311 /** Check if 'len' letters following cursor are all non-lowercase */
1312 static bool allNonLowercase(DocIterator const & cur, int len)
1314 pos_type end_pos = cur.pos() + len;
1315 for (pos_type pos = cur.pos(); pos != end_pos; ++pos)
1316 if (isLowerCase(cur.paragraph().getChar(pos)))
1322 /** Check if first letter is upper case and second one is lower case */
1323 static bool firstUppercase(DocIterator const & cur)
1326 if (cur.pos() >= cur.lastpos() - 1) {
1327 LYXERR(Debug::FIND, "No upper-case at cur: " << cur);
1330 ch1 = cur.paragraph().getChar(cur.pos());
1331 ch2 = cur.paragraph().getChar(cur.pos()+1);
1332 bool result = isUpperCase(ch1) && isLowerCase(ch2);
1333 LYXERR(Debug::FIND, "firstUppercase(): "
1334 << "ch1=" << ch1 << "(" << char(ch1) << "), ch2="
1335 << ch2 << "(" << char(ch2) << ")"
1336 << ", result=" << result << ", cur=" << cur);
1341 /** Make first letter of supplied buffer upper-case, and the rest lower-case.
1343 ** \fixme What to do with possible further paragraphs in replace buffer ?
1345 static void changeFirstCase(Buffer & buffer, TextCase first_case, TextCase others_case)
1347 ParagraphList::iterator pit = buffer.paragraphs().begin();
1348 pos_type right = pos_type(1);
1349 pit->changeCase(buffer.params(), pos_type(0), right, first_case);
1350 right = pit->size() + 1;
1351 pit->changeCase(buffer.params(), right, right, others_case);
1357 static void findAdvReplace(BufferView * bv, FindAndReplaceOptions const & opt, MatchStringAdv & matchAdv)
1359 Cursor & cur = bv->cursor();
1360 if (opt.repl_buf_name == docstring())
1363 DocIterator sel_beg = cur.selectionBegin();
1364 DocIterator sel_end = cur.selectionEnd();
1365 if (&sel_beg.inset() != &sel_end.inset()
1366 || sel_beg.pit() != sel_end.pit())
1368 int sel_len = sel_end.pos() - sel_beg.pos();
1369 LYXERR(Debug::FIND, "sel_beg: " << sel_beg << ", sel_end: " << sel_end
1370 << ", sel_len: " << sel_len << endl);
1373 LASSERT(sel_len > 0, /**/);
1375 if (!matchAdv(sel_beg, sel_len))
1378 // Build a copy of the replace buffer, adapted to the KeepCase option
1379 Buffer & repl_buffer_orig = *theBufferList().getBuffer(FileName(to_utf8(opt.repl_buf_name)), true);
1381 repl_buffer_orig.write(oss);
1382 string lyx = oss.str();
1383 Buffer repl_buffer("", false);
1384 repl_buffer.setUnnamed(true);
1385 LASSERT(repl_buffer.readString(lyx), /**/);
1386 if (opt.keep_case && sel_len >= 2) {
1387 if (cur.inTexted()) {
1388 if (firstUppercase(cur))
1389 changeFirstCase(repl_buffer, text_uppercase, text_lowercase);
1390 else if (allNonLowercase(cur, sel_len))
1391 changeFirstCase(repl_buffer, text_uppercase, text_uppercase);
1394 cap::cutSelection(cur, false, false);
1395 if (cur.inTexted()) {
1396 repl_buffer.changeLanguage(
1397 repl_buffer.language(),
1398 cur.getFont().language());
1399 LYXERR(Debug::FIND, "Replacing by pasteParagraphList()ing repl_buffer");
1400 LYXERR(Debug::FIND, "Before pasteParagraphList() cur=" << cur << endl);
1401 cap::pasteParagraphList(cur, repl_buffer.paragraphs(),
1402 repl_buffer.params().documentClassPtr(),
1403 bv->buffer().errorList("Paste"));
1404 LYXERR(Debug::FIND, "After pasteParagraphList() cur=" << cur << endl);
1405 sel_len = repl_buffer.paragraphs().begin()->size();
1406 } else if (cur.inMathed()) {
1408 odocstringstream ods;
1409 otexstream os(ods, texrow);
1410 OutputParams runparams(&repl_buffer.params().encoding());
1411 runparams.nice = false;
1412 runparams.flavor = OutputParams::LATEX;
1413 runparams.linelen = 8000; //lyxrc.plaintext_linelen;
1414 runparams.dryrun = true;
1415 TeXOnePar(repl_buffer, repl_buffer.text(), 0, os, runparams);
1416 //repl_buffer.getSourceCode(ods, 0, repl_buffer.paragraphs().size(), false);
1417 docstring repl_latex = ods.str();
1418 LYXERR(Debug::FIND, "Latexified replace_buffer: '" << repl_latex << "'");
1420 regex_replace(to_utf8(repl_latex), s, "\\$(.*)\\$", "$1");
1421 regex_replace(s, s, "\\\\\\[(.*)\\\\\\]", "$1");
1422 repl_latex = from_utf8(s);
1423 LYXERR(Debug::FIND, "Replacing by insert()ing latex: '" << repl_latex << "' cur=" << cur << " with depth=" << cur.depth());
1424 MathData ar(cur.buffer());
1425 asArray(repl_latex, ar, Parse::NORMAL);
1427 sel_len = ar.size();
1428 LYXERR(Debug::FIND, "After insert() cur=" << cur << " with depth: " << cur.depth() << " and len: " << sel_len);
1430 if (cur.pos() >= sel_len)
1431 cur.pos() -= sel_len;
1434 LYXERR(Debug::FIND, "After pos adj cur=" << cur << " with depth: " << cur.depth() << " and len: " << sel_len);
1435 bv->putSelectionAt(DocIterator(cur), sel_len, !opt.forward);
1436 bv->processUpdateFlags(Update::Force);
1437 bv->buffer().updatePreviews();
1441 /// Perform a FindAdv operation.
1442 bool findAdv(BufferView * bv, FindAndReplaceOptions const & opt)
1448 MatchStringAdv matchAdv(bv->buffer(), opt);
1449 int length = bv->cursor().selectionEnd().pos() - bv->cursor().selectionBegin().pos();
1451 bv->putSelectionAt(bv->cursor().selectionBegin(), length, !opt.forward);
1452 findAdvReplace(bv, opt, matchAdv);
1455 match_len = findForwardAdv(cur, matchAdv);
1457 match_len = findBackwardsAdv(cur, matchAdv);
1459 // This may only be raised by lyx::regex()
1460 bv->message(_("Invalid regular expression!"));
1464 if (match_len == 0) {
1465 bv->message(_("Match not found!"));
1469 bv->message(_("Match found!"));
1471 LYXERR(Debug::FIND, "Putting selection at cur=" << cur << " with len: " << match_len);
1472 bv->putSelectionAt(cur, match_len, !opt.forward);
1478 ostringstream & operator<<(ostringstream & os, FindAndReplaceOptions const & opt)
1480 os << to_utf8(opt.find_buf_name) << "\nEOSS\n"
1481 << opt.casesensitive << ' '
1482 << opt.matchword << ' '
1483 << opt.forward << ' '
1484 << opt.expandmacros << ' '
1485 << opt.ignoreformat << ' '
1486 << to_utf8(opt.repl_buf_name) << "\nEOSS\n"
1487 << opt.keep_case << ' '
1490 LYXERR(Debug::FIND, "built: " << os.str());
1496 istringstream & operator>>(istringstream & is, FindAndReplaceOptions & opt)
1498 LYXERR(Debug::FIND, "parsing");
1502 while (line != "EOSS") {
1506 if (is.eof()) // Tolerate malformed request
1510 LYXERR(Debug::FIND, "file_buf_name: '" << s << "'");
1511 opt.find_buf_name = from_utf8(s);
1512 is >> opt.casesensitive >> opt.matchword >> opt.forward >> opt.expandmacros >> opt.ignoreformat;
1513 is.get(); // Waste space before replace string
1516 while (line != "EOSS") {
1520 if (is.eof()) // Tolerate malformed request
1524 LYXERR(Debug::FIND, "repl_buf_name: '" << s << "'");
1525 opt.repl_buf_name = from_utf8(s);
1526 is >> opt.keep_case;
1529 opt.scope = FindAndReplaceOptions::SearchScope(i);
1530 LYXERR(Debug::FIND, "parsed: " << opt.casesensitive << ' ' << opt.matchword << ' ' << opt.forward << ' '
1531 << opt.expandmacros << ' ' << opt.ignoreformat << ' ' << opt.keep_case);