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 = bv->cursor();
159 MatchString const match(searchstr, case_sens, whole);
161 int match_len = forward
162 ? findForward(cur, match, find_del)
163 : findBackwards(cur, match, find_del);
166 bv->putSelectionAt(cur, match_len, !forward);
168 return match_len > 0;
172 int replaceAll(BufferView * bv,
173 docstring const & searchstr, docstring const & replacestr,
174 bool case_sens, bool whole)
176 Buffer & buf = bv->buffer();
178 if (!searchAllowed(searchstr) || buf.isReadonly())
181 DocIterator cur_orig(bv->cursor());
183 MatchString const match(searchstr, case_sens, whole);
186 int const rsize = replacestr.size();
187 int const ssize = searchstr.size();
190 cur.setCursor(doc_iterator_begin(&buf));
191 int match_len = findForward(cur, match, false);
192 while (match_len > 0) {
193 // Backup current cursor position and font.
194 pos_type const pos = cur.pos();
195 Font const font = cur.paragraph().getFontSettings(buf.params(), pos);
197 int striked = ssize -
198 cur.paragraph().eraseChars(pos, pos + match_len,
199 buf.params().trackChanges);
200 cur.paragraph().insert(pos, replacestr, font,
201 Change(buf.params().trackChanges
203 : Change::UNCHANGED));
204 for (int i = 0; i < rsize + striked; ++i)
207 match_len = findForward(cur, match, false);
210 bv->putSelectionAt(doc_iterator_begin(&buf), 0, false);
212 cur_orig.fixIfBroken();
213 bv->setCursor(cur_orig);
219 // the idea here is that we are going to replace the string that
220 // is selected IF it is the search string.
221 // if there is a selection, but it is not the search string, then
222 // we basically ignore it. (FIXME We ought to replace only within
224 // if there is no selection, then:
225 // (i) if some search string has been provided, then we find it.
226 // (think of how the dialog works when you hit "replace" the
228 // (ii) if no search string has been provided, then we treat the
229 // word the cursor is in as the search string. (why? i have no
230 // idea.) but this only works in text?
232 // returns the number of replacements made (one, if any) and
233 // whether anything at all was done.
234 pair<bool, int> replaceOne(BufferView * bv, docstring searchstr,
235 docstring const & replacestr, bool case_sens,
236 bool whole, bool forward, bool findnext)
238 Cursor & cur = bv->cursor();
239 if (!cur.selection()) {
240 // no selection, non-empty search string: find it
241 if (!searchstr.empty()) {
242 findOne(bv, searchstr, case_sens, whole, forward);
243 return make_pair(true, 0);
245 // empty search string
248 return make_pair(false, 0);
249 // select current word and treat it as the search string
250 cur.innerText()->selectWord(cur, WHOLE_WORD);
251 searchstr = cur.selectionAsString(false);
254 // if we still don't have a search string, report the error
256 if (!searchAllowed(searchstr))
257 return make_pair(false, 0);
259 bool have_selection = cur.selection();
260 docstring const selected = cur.selectionAsString(false);
263 ? searchstr == selected
264 : compare_no_case(searchstr, selected) == 0;
266 // no selection or current selection is not search word:
267 // just find the search word
268 if (!have_selection || !match) {
269 findOne(bv, searchstr, case_sens, whole, forward);
270 return make_pair(true, 0);
273 // we're now actually ready to replace. if the buffer is
274 // read-only, we can't, though.
275 if (bv->buffer().isReadonly())
276 return make_pair(false, 0);
278 cap::replaceSelectionWithString(cur, replacestr);
280 cur.pos() += replacestr.length();
281 LASSERT(cur.pos() <= cur.lastpos(), /* */);
284 findOne(bv, searchstr, case_sens, whole, forward, false);
286 return make_pair(true, 1);
292 docstring const find2string(docstring const & search,
293 bool casesensitive, bool matchword, bool forward)
297 << int(casesensitive) << ' '
298 << int(matchword) << ' '
304 docstring const replace2string(docstring const & replace,
305 docstring const & search,
306 bool casesensitive, bool matchword,
307 bool all, bool forward, bool findnext)
310 ss << replace << '\n'
312 << int(casesensitive) << ' '
313 << int(matchword) << ' '
315 << int(forward) << ' '
321 bool lyxfind(BufferView * bv, FuncRequest const & ev)
323 if (!bv || ev.action() != LFUN_WORD_FIND)
326 //lyxerr << "find called, cmd: " << ev << endl;
328 // data is of the form
330 // <casesensitive> <matchword> <forward>"
332 docstring howto = split(ev.argument(), search, '\n');
334 bool casesensitive = parse_bool(howto);
335 bool matchword = parse_bool(howto);
336 bool forward = parse_bool(howto);
338 return findOne(bv, search, casesensitive, matchword, forward);
342 bool lyxreplace(BufferView * bv,
343 FuncRequest const & ev, bool has_deleted)
345 if (!bv || ev.action() != LFUN_WORD_REPLACE)
348 // data is of the form
351 // <casesensitive> <matchword> <all> <forward> <findnext>"
354 docstring howto = split(ev.argument(), rplc, '\n');
355 howto = split(howto, search, '\n');
357 bool casesensitive = parse_bool(howto);
358 bool matchword = parse_bool(howto);
359 bool all = parse_bool(howto);
360 bool forward = parse_bool(howto);
361 bool findnext = howto.empty() ? true : parse_bool(howto);
363 int replace_count = 0;
368 replace_count = replaceAll(bv, search, rplc, casesensitive, matchword);
369 update = replace_count > 0;
372 replaceOne(bv, search, rplc, casesensitive, matchword, forward, findnext);
374 replace_count = rv.second;
377 Buffer const & buf = bv->buffer();
379 // emit message signal.
380 buf.message(_("String not found!"));
382 if (replace_count == 0) {
383 buf.message(_("String found."));
384 } else if (replace_count == 1) {
385 buf.message(_("String has been replaced."));
387 docstring const str =
388 bformat(_("%1$d strings have been replaced."), replace_count);
392 } else if (findnext) {
393 // if we have deleted characters, we do not replace at all, but
394 // rather search for the next occurence
395 if (findOne(bv, search, casesensitive, matchword, forward))
398 bv->message(_("String not found!"));
404 bool findNextChange(BufferView * bv)
406 return findChange(bv, true);
410 bool findPreviousChange(BufferView * bv)
412 return findChange(bv, false);
416 bool findChange(BufferView * bv, bool next)
418 if (bv->cursor().selection()) {
419 // set the cursor at the beginning or at the end of the selection
420 // before searching. Otherwise, the current change will be found.
421 if (next != (bv->cursor().top() > bv->cursor().normalAnchor()))
422 bv->cursor().setCursorToAnchor();
425 DocIterator cur = bv->cursor();
427 // Are we within a change ? Then first search forward (backward),
428 // clear the selection and search the other way around (see the end
429 // of this function). This will avoid changes to be selected half.
430 bool search_both_sides = false;
431 DocIterator tmpcur = cur;
433 while (tmpcur.inMathed())
435 Change change_next_pos
436 = tmpcur.paragraph().lookupChange(tmpcur.pos());
437 if (change_next_pos.changed() && cur.inMathed()) {
439 search_both_sides = true;
440 } else if (tmpcur.pos() > 0 && tmpcur.inTexted()) {
441 Change change_prev_pos
442 = tmpcur.paragraph().lookupChange(tmpcur.pos() - 1);
443 if (change_next_pos.isSimilarTo(change_prev_pos))
444 search_both_sides = true;
447 if (!findChange(cur, next))
450 bv->cursor().setCursor(cur);
451 bv->cursor().resetAnchor();
454 // take a step into the change
457 Change orig_change = cur.paragraph().lookupChange(cur.pos());
459 CursorSlice & tip = cur.top();
461 for (; !tip.at_end(); tip.forwardPos()) {
462 Change change = tip.paragraph().lookupChange(tip.pos());
463 if (!change.isSimilarTo(orig_change))
467 for (; !tip.at_begin();) {
469 Change change = tip.paragraph().lookupChange(tip.pos());
470 if (!change.isSimilarTo(orig_change)) {
471 // take a step forward to correctly set the selection
478 // Now put cursor to end of selection:
479 bv->cursor().setCursor(cur);
480 bv->cursor().setSelection();
482 if (search_both_sides) {
483 bv->cursor().setSelection(false);
484 findChange(bv, !next);
492 typedef vector<pair<string, string> > Escapes;
494 /// A map of symbols and their escaped equivalent needed within a regex.
495 /// @note Beware of order
496 Escapes const & get_regexp_escapes()
498 static Escapes escape_map;
499 if (escape_map.empty()) {
500 escape_map.push_back(pair<string, string>("$", "_x_$"));
501 escape_map.push_back(pair<string, string>("{", "_x_{"));
502 escape_map.push_back(pair<string, string>("}", "_x_}"));
503 escape_map.push_back(pair<string, string>("[", "_x_["));
504 escape_map.push_back(pair<string, string>("]", "_x_]"));
505 escape_map.push_back(pair<string, string>("(", "_x_("));
506 escape_map.push_back(pair<string, string>(")", "_x_)"));
507 escape_map.push_back(pair<string, string>("+", "_x_+"));
508 escape_map.push_back(pair<string, string>("*", "_x_*"));
509 escape_map.push_back(pair<string, string>(".", "_x_."));
510 escape_map.push_back(pair<string, string>("\\", "(?:\\\\|\\\\backslash)"));
511 escape_map.push_back(pair<string, string>("~", "(?:\\\\textasciitilde|\\\\sim)"));
512 escape_map.push_back(pair<string, string>("^", "(?:\\^|\\\\textasciicircum\\{\\}|\\\\mathcircumflex)"));
513 escape_map.push_back(pair<string, string>("_x_", "\\"));
518 /// A map of lyx escaped strings and their unescaped equivalent.
519 Escapes const & get_lyx_unescapes() {
520 static Escapes escape_map;
521 if (escape_map.empty()) {
522 escape_map.push_back(pair<string, string>("\\%", "%"));
523 escape_map.push_back(pair<string, string>("\\mathcircumflex ", "^"));
524 escape_map.push_back(pair<string, string>("\\mathcircumflex", "^"));
525 escape_map.push_back(pair<string, string>("\\backslash ", "\\"));
526 escape_map.push_back(pair<string, string>("\\backslash", "\\"));
527 escape_map.push_back(pair<string, string>("\\\\{", "_x_<"));
528 escape_map.push_back(pair<string, string>("\\\\}", "_x_>"));
529 escape_map.push_back(pair<string, string>("\\sim ", "~"));
530 escape_map.push_back(pair<string, string>("\\sim", "~"));
535 /// A map of escapes turning a regexp matching text to one matching latex.
536 Escapes const & get_regexp_latex_escapes() {
537 static Escapes escape_map;
538 if (escape_map.empty()) {
539 escape_map.push_back(pair<string, string>("\\\\", "(?:\\\\\\\\|\\\\backslash|\\\\textbackslash\\{\\})"));
540 escape_map.push_back(pair<string, string>("(<?!\\\\\\\\textbackslash)\\{", "\\\\\\{"));
541 escape_map.push_back(pair<string, string>("(<?!\\\\\\\\textbackslash\\\\\\{)\\}", "\\\\\\}"));
542 escape_map.push_back(pair<string, string>("\\[", "\\{\\[\\}"));
543 escape_map.push_back(pair<string, string>("\\]", "\\{\\]\\}"));
544 escape_map.push_back(pair<string, string>("\\^", "(?:\\^|\\\\textasciicircum\\{\\}|\\\\mathcircumflex)"));
545 escape_map.push_back(pair<string, string>("%", "\\\\\\%"));
550 /** @todo Probably the maps need to be migrated to regexps, in order to distinguish if
551 ** the found occurrence were escaped.
553 string apply_escapes(string s, Escapes const & escape_map)
555 LYXERR(Debug::FIND, "Escaping: '" << s << "'");
556 Escapes::const_iterator it;
557 for (it = escape_map.begin(); it != escape_map.end(); ++it) {
558 // LYXERR(Debug::FIND, "Escaping " << it->first << " as " << it->second);
559 unsigned int pos = 0;
560 while (pos < s.length() && (pos = s.find(it->first, pos)) < s.length()) {
561 s.replace(pos, it->first.length(), it->second);
562 LYXERR(Debug::FIND, "After escape: " << s);
563 pos += it->second.length();
564 // LYXERR(Debug::FIND, "pos: " << pos);
567 LYXERR(Debug::FIND, "Escaped : '" << s << "'");
572 /// Within \regexp{} apply get_lyx_unescapes() only (i.e., preserve regexp semantics of the string),
573 /// while outside apply get_lyx_unescapes()+get_regexp_escapes().
574 /// If match_latex is true, then apply regexp_latex_escapes() to \regexp{} contents as well.
575 string escape_for_regex(string s, bool match_latex)
578 while (pos < s.size()) {
579 size_t new_pos = s.find("\\regexp{", pos);
580 if (new_pos == string::npos)
582 LYXERR(Debug::FIND, "new_pos: " << new_pos);
583 string t = apply_escapes(s.substr(pos, new_pos - pos), get_lyx_unescapes());
584 LYXERR(Debug::FIND, "t [lyx]: " << t);
585 t = apply_escapes(t, get_regexp_escapes());
586 LYXERR(Debug::FIND, "t [rxp]: " << t);
587 s.replace(pos, new_pos - pos, t);
588 new_pos = pos + t.size();
589 LYXERR(Debug::FIND, "Regexp after escaping: " << s);
590 LYXERR(Debug::FIND, "new_pos: " << new_pos);
591 if (new_pos == s.size())
593 // Might fail if \\endregexp{} is preceeded by unexpected stuff (weird escapes)
594 size_t end_pos = s.find("\\endregexp{}}", new_pos + 8);
595 LYXERR(Debug::FIND, "end_pos: " << end_pos);
596 t = s.substr(new_pos + 8, end_pos - (new_pos + 8));
597 LYXERR(Debug::FIND, "t in regexp : " << t);
598 t = apply_escapes(t, get_lyx_unescapes());
599 LYXERR(Debug::FIND, "t in regexp [lyx]: " << t);
601 t = apply_escapes(t, get_regexp_latex_escapes());
602 LYXERR(Debug::FIND, "t in regexp [ltx]: " << t);
604 if (end_pos == s.size()) {
605 s.replace(new_pos, end_pos - new_pos, t);
607 LYXERR(Debug::FIND, "Regexp after \\regexp{} removal: " << s);
610 s.replace(new_pos, end_pos + 13 - new_pos, t);
611 LYXERR(Debug::FIND, "Regexp after \\regexp{...\\endregexp{}} removal: " << s);
612 pos = new_pos + t.size();
613 LYXERR(Debug::FIND, "pos: " << pos);
618 /// Wrapper for lyx::regex_replace with simpler interface
619 bool regex_replace(string const & s, string & t, string const & searchstr,
620 string const & replacestr)
622 lyx::regex e(searchstr);
624 ostream_iterator<char, char> it(oss);
625 lyx::regex_replace(it, s.begin(), s.end(), e, replacestr);
626 // tolerate t and s be references to the same variable
627 bool rv = (s != oss.str());
632 /** Checks if supplied string segment is well-formed from the standpoint of matching open-closed braces.
634 ** Verify that closed braces exactly match open braces. This avoids that, for example,
635 ** \frac{.*}{x} matches \frac{x+\frac{y}{x}}{z} with .* being 'x+\frac{y'.
638 ** Number of open braces that must remain open at the end for the verification to succeed.
640 bool braces_match(string::const_iterator const & beg,
641 string::const_iterator const & end,
645 string::const_iterator it = beg;
646 LYXERR(Debug::FIND, "Checking " << unmatched << " unmatched braces in '" << string(beg, end) << "'");
647 for (; it != end; ++it) {
648 // Skip escaped braces in the count
653 } else if (*it == '{') {
655 } else if (*it == '}') {
656 if (open_pars == 0) {
657 LYXERR(Debug::FIND, "Found unmatched closed brace");
663 if (open_pars != unmatched) {
664 LYXERR(Debug::FIND, "Found " << open_pars
665 << " instead of " << unmatched
666 << " unmatched open braces at the end of count");
669 LYXERR(Debug::FIND, "Braces match as expected");
673 /** The class performing a match between a position in the document and the FindAdvOptions.
675 class MatchStringAdv {
677 MatchStringAdv(lyx::Buffer & buf, FindAndReplaceOptions const & opt);
679 /** Tests if text starting at the supplied position matches with the one provided to the MatchStringAdv
680 ** constructor as opt.search, under the opt.* options settings.
683 ** If set, then match is searched only against beginning of text starting at cur.
684 ** If unset, then match is searched anywhere in text starting at cur.
687 ** The length of the matching text, or zero if no match was found.
689 int operator()(DocIterator const & cur, int len = -1, bool at_begin = true) const;
694 /// first buffer on which search was started
695 lyx::Buffer * const p_first_buf;
697 FindAndReplaceOptions const & opt;
700 /// Auxiliary find method (does not account for opt.matchword)
701 int findAux(DocIterator const & cur, int len = -1, bool at_begin = true) const;
703 /** Normalize a stringified or latexified LyX paragraph.
707 ** <li>if search is not casesensitive, then lowercase the string;
708 ** <li>remove any newline at begin or end of the string;
709 ** <li>replace any newline in the middle of the string with a simple space;
710 ** <li>remove stale empty styles and environments, like \emph{} and \textbf{}.
713 ** @todo Normalization should also expand macros, if the corresponding
714 ** search option was checked.
716 string normalize(docstring const & s, bool hack_braces) const;
717 // normalized string to search
718 string par_as_string;
719 // regular expression to use for searching
721 // same as regexp, but prefixed with a ".*"
723 // leading format material as string
724 string lead_as_string;
725 // par_as_string after removal of lead_as_string
726 string par_as_string_nolead;
727 // unmatched open braces in the search string/regexp
729 // number of (.*?) subexpressions added at end of search regexp for closing
730 // environments, math mode, styles, etc...
732 // Are we searching with regular expressions ?
737 static docstring buffer_to_latex(Buffer & buffer)
739 OutputParams runparams(&buffer.params().encoding());
741 odocstringstream ods;
742 otexstream os(ods, texrow);
743 runparams.nice = true;
744 runparams.flavor = OutputParams::LATEX;
745 runparams.linelen = 80; //lyxrc.plaintext_linelen;
746 // No side effect of file copying and image conversion
747 runparams.dryrun = true;
748 pit_type const endpit = buffer.paragraphs().size();
749 for (pit_type pit = 0; pit != endpit; ++pit) {
750 TeXOnePar(buffer, buffer.text(), pit, os, runparams);
751 LYXERR(Debug::FIND, "searchString up to here: " << ods.str());
757 static docstring stringifySearchBuffer(Buffer & buffer, FindAndReplaceOptions const & opt) {
759 if (!opt.ignoreformat) {
760 str = buffer_to_latex(buffer);
762 OutputParams runparams(&buffer.params().encoding());
763 runparams.nice = true;
764 runparams.flavor = OutputParams::LATEX;
765 runparams.linelen = 100000; //lyxrc.plaintext_linelen;
766 runparams.dryrun = true;
767 for (pos_type pit = pos_type(0); pit < (pos_type)buffer.paragraphs().size(); ++pit) {
768 Paragraph const & par = buffer.paragraphs().at(pit);
769 LYXERR(Debug::FIND, "Adding to search string: '"
770 << par.stringify(pos_type(0), par.size(),
771 AS_STR_INSETS, runparams)
773 str += par.stringify(pos_type(0), par.size(),
774 AS_STR_INSETS, runparams);
781 /// Return separation pos between the leading material and the rest
782 static size_t identifyLeading(string const & s) {
784 // @TODO Support \item[text]
785 while (regex_replace(t, t, "^\\\\(emph|textbf|subsubsection|subsection|section|subparagraph|paragraph|part)\\*?\\{", "")
786 || regex_replace(t, t, "^\\$", "")
787 || regex_replace(t, t, "^\\\\\\[ ", "")
788 || regex_replace(t, t, "^\\\\item ", "")
789 || regex_replace(t, t, "^\\\\begin\\{[a-zA-Z_]*\\*?\\} ", ""))
790 LYXERR(Debug::FIND, " after removing leading $, \\[ , \\emph{, \\textbf{, etc.: '" << t << "'");
795 // Remove trailing closure of math, macros and environments, so to catch parts of them.
796 static int identifyClosing(string & t) {
799 LYXERR(Debug::FIND, "identifyClosing(): t now is '" << t << "'");
800 if (regex_replace(t, t, "(.*[^\\\\])\\$\\'", "$1"))
802 if (regex_replace(t, t, "(.*[^\\\\]) \\\\\\]\\'", "$1"))
804 if (regex_replace(t, t, "(.*[^\\\\]) \\\\end\\{[a-zA-Z_]*\\*?\\}\\'", "$1"))
806 if (regex_replace(t, t, "(.*[^\\\\])\\}\\'", "$1")) {
816 MatchStringAdv::MatchStringAdv(lyx::Buffer & buf, FindAndReplaceOptions const & opt)
817 : p_buf(&buf), p_first_buf(&buf), opt(opt)
819 Buffer & find_buf = *theBufferList().getBuffer(FileName(to_utf8(opt.find_buf_name)), true);
820 docstring const & ds = stringifySearchBuffer(find_buf, opt);
821 use_regexp = lyx::to_utf8(ds).find("\\regexp{") != std::string::npos;
822 // When using regexp, braces are hacked already by escape_for_regex()
823 par_as_string = normalize(ds, !use_regexp);
827 size_t lead_size = 0;
828 if (!opt.ignoreformat) {
829 lead_size = identifyLeading(par_as_string);
830 lead_as_string = par_as_string.substr(0, lead_size);
831 par_as_string_nolead = par_as_string.substr(lead_size, par_as_string.size() - lead_size);
835 open_braces = identifyClosing(par_as_string);
836 identifyClosing(par_as_string_nolead);
837 LYXERR(Debug::FIND, "Open braces: " << open_braces);
838 LYXERR(Debug::FIND, "Built MatchStringAdv object: par_as_string = '" << par_as_string << "'");
840 string lead_as_regexp;
842 // @todo No need to search for \regexp{} insets in leading material
843 lead_as_regexp = escape_for_regex(par_as_string.substr(0, lead_size), !opt.ignoreformat);
844 par_as_string = par_as_string_nolead;
845 LYXERR(Debug::FIND, "lead_as_regexp is '" << lead_as_regexp << "'");
846 LYXERR(Debug::FIND, "par_as_string now is '" << par_as_string << "'");
848 par_as_string = escape_for_regex(par_as_string, !opt.ignoreformat);
849 // Insert (.*?) before trailing closure of math, macros and environments, so to catch parts of them.
850 LYXERR(Debug::FIND, "par_as_string now is '" << par_as_string << "'");
852 // Insert .* before trailing '\$' ('$' has been escaped by escape_for_regex)
853 regex_replace(par_as_string, par_as_string, "(.*[^\\\\])(\\\\\\$)\\'", "$1(.*?)$2")
854 // Insert .* before trailing '\\\]' ('\]' has been escaped by escape_for_regex)
855 || regex_replace(par_as_string, par_as_string, "(.*[^\\\\])( \\\\\\\\\\\\\\])\\'", "$1(.*?)$2")
856 // Insert .* before trailing '\\end\{...}' ('\end{...}' has been escaped by escape_for_regex)
857 || regex_replace(par_as_string, par_as_string,
858 "(.*[^\\\\])( \\\\\\\\end\\\\\\{[a-zA-Z_]*)(\\\\\\*)?(\\\\\\})\\'", "$1(.*?)$2$3$4")
859 // Insert .* before trailing '\}' ('}' has been escaped by escape_for_regex)
860 || regex_replace(par_as_string, par_as_string, "(.*[^\\\\])(\\\\\\})\\'", "$1(.*?)$2")
864 LYXERR(Debug::FIND, "par_as_string now is '" << par_as_string << "'");
865 LYXERR(Debug::FIND, "Open braces: " << open_braces);
866 LYXERR(Debug::FIND, "Close .*? : " << close_wildcards);
867 LYXERR(Debug::FIND, "Replaced text (to be used as regex): " << par_as_string);
868 // If entered regexp must match at begin of searched string buffer
869 string regexp_str = string("\\`") + lead_as_regexp + par_as_string;
870 LYXERR(Debug::FIND, "Setting regexp to : '" << regexp_str << "'");
871 regexp = lyx::regex(regexp_str);
873 // If entered regexp may match wherever in searched string buffer
874 string regexp2_str = string("\\`.*") + lead_as_regexp + ".*" + par_as_string;
875 LYXERR(Debug::FIND, "Setting regexp2 to: '" << regexp2_str << "'");
876 regexp2 = lyx::regex(regexp2_str);
881 int MatchStringAdv::findAux(DocIterator const & cur, int len, bool at_begin) const
883 docstring docstr = stringifyFromForSearch(opt, cur, len);
884 LYXERR(Debug::FIND, "Matching against '" << lyx::to_utf8(docstr) << "'");
885 string str = normalize(docstr, true);
886 LYXERR(Debug::FIND, "After normalization: '" << str << "'");
888 LYXERR(Debug::FIND, "Searching in normal mode: par_as_string='" << par_as_string << "', str='" << str << "'");
889 LYXERR(Debug::FIND, "Searching in normal mode: lead_as_string='" << lead_as_string << "', par_as_string_nolead='" << par_as_string_nolead << "'");
891 LYXERR(Debug::FIND, "size=" << par_as_string.size() << ", substr='" << str.substr(0, par_as_string.size()) << "'");
892 if (str.substr(0, par_as_string.size()) == par_as_string)
893 return par_as_string.size();
895 size_t pos = str.find(par_as_string_nolead);
896 if (pos != string::npos)
897 return par_as_string.size();
900 LYXERR(Debug::FIND, "Searching in regexp mode: at_begin=" << at_begin);
901 // Try all possible regexp matches,
902 //until one that verifies the braces match test is found
903 regex const *p_regexp = at_begin ? ®exp : ®exp2;
904 sregex_iterator re_it(str.begin(), str.end(), *p_regexp);
905 sregex_iterator re_it_end;
906 for (; re_it != re_it_end; ++re_it) {
907 match_results<string::const_iterator> const & m = *re_it;
908 // Check braces on the segment that matched the entire regexp expression,
909 // plus the last subexpression, if a (.*?) was inserted in the constructor.
910 if (!braces_match(m[0].first, m[0].second, open_braces))
912 // Check braces on segments that matched all (.*?) subexpressions,
913 // except the last "padding" one inserted by lyx.
914 for (size_t i = 1; i < m.size() - 1; ++i)
915 if (!braces_match(m[i].first, m[i].second))
917 // Exclude from the returned match length any length
918 // due to close wildcards added at end of regexp
919 if (close_wildcards == 0)
920 return m[0].second - m[0].first;
922 return m[m.size() - close_wildcards].first - m[0].first;
929 int MatchStringAdv::operator()(DocIterator const & cur, int len, bool at_begin) const
931 int res = findAux(cur, len, at_begin);
933 "res=" << res << ", at_begin=" << at_begin
934 << ", matchword=" << opt.matchword
935 << ", inTexted=" << cur.inTexted());
936 if (res == 0 || !at_begin || !opt.matchword || !cur.inTexted())
938 Paragraph const & par = cur.paragraph();
939 bool ws_left = (cur.pos() > 0)
940 ? par.isWordSeparator(cur.pos() - 1)
942 bool ws_right = (cur.pos() + res < par.size())
943 ? par.isWordSeparator(cur.pos() + res)
946 "cur.pos()=" << cur.pos() << ", res=" << res
947 << ", separ: " << ws_left << ", " << ws_right
949 if (ws_left && ws_right)
955 string MatchStringAdv::normalize(docstring const & s, bool hack_braces) const
958 if (! opt.casesensitive)
959 t = lyx::to_utf8(lowercase(s));
962 // Remove \n at begin
963 while (t.size() > 0 && t[0] == '\n')
966 while (t.size() > 0 && t[t.size() - 1] == '\n')
967 t = t.substr(0, t.size() - 1);
969 // Replace all other \n with spaces
970 while ((pos = t.find("\n")) != string::npos)
971 t.replace(pos, 1, " ");
972 // Remove stale empty \emph{}, \textbf{} and similar blocks from latexify
973 LYXERR(Debug::FIND, "Removing stale empty \\emph{}, \\textbf{}, \\*section{} macros from: " << t);
974 while (regex_replace(t, t, "\\\\(emph|textbf|subsubsection|subsection|section|subparagraph|paragraph|part)(\\{\\})+", ""))
975 LYXERR(Debug::FIND, " further removing stale empty \\emph{}, \\textbf{} macros from: " << t);
977 // FIXME - check what preceeds the brace
979 if (opt.ignoreformat)
980 while (regex_replace(t, t, "\\{", "_x_<")
981 || regex_replace(t, t, "\\}", "_x_>"))
982 LYXERR(Debug::FIND, "After {} replacement: '" << t << "'");
984 while (regex_replace(t, t, "\\\\\\{", "_x_<")
985 || regex_replace(t, t, "\\\\\\}", "_x_>"))
986 LYXERR(Debug::FIND, "After {} replacement: '" << t << "'");
993 docstring stringifyFromCursor(DocIterator const & cur, int len)
995 LYXERR(Debug::FIND, "Stringifying with len=" << len << " from cursor at pos: " << cur);
996 if (cur.inTexted()) {
997 Paragraph const & par = cur.paragraph();
998 // TODO what about searching beyond/across paragraph breaks ?
999 // TODO Try adding a AS_STR_INSERTS as last arg
1000 pos_type end = ( len == -1 || cur.pos() + len > int(par.size()) ) ?
1001 int(par.size()) : cur.pos() + len;
1002 OutputParams runparams(&cur.buffer()->params().encoding());
1003 odocstringstream os;
1004 runparams.nice = true;
1005 runparams.flavor = OutputParams::LATEX;
1006 runparams.linelen = 100000; //lyxrc.plaintext_linelen;
1007 // No side effect of file copying and image conversion
1008 runparams.dryrun = true;
1009 LYXERR(Debug::FIND, "Stringifying with cur: "
1010 << cur << ", from pos: " << cur.pos() << ", end: " << end);
1011 return par.stringify(cur.pos(), end, AS_STR_INSETS, runparams);
1012 } else if (cur.inMathed()) {
1014 CursorSlice cs = cur.top();
1015 MathData md = cs.cell();
1016 MathData::const_iterator it_end =
1017 (( len == -1 || cs.pos() + len > int(md.size()))
1019 : md.begin() + cs.pos() + len );
1020 for (MathData::const_iterator it = md.begin() + cs.pos();
1022 s = s + asString(*it);
1023 LYXERR(Debug::FIND, "Stringified math: '" << s << "'");
1026 LYXERR(Debug::FIND, "Don't know how to stringify from here: " << cur);
1031 /** Computes the LaTeX export of buf starting from cur and ending len positions
1032 * after cur, if len is positive, or at the paragraph or innermost inset end
1035 docstring latexifyFromCursor(DocIterator const & cur, int len)
1037 LYXERR(Debug::FIND, "Latexifying with len=" << len << " from cursor at pos: " << cur);
1038 LYXERR(Debug::FIND, " with cur.lastpost=" << cur.lastpos() << ", cur.lastrow="
1039 << cur.lastrow() << ", cur.lastcol=" << cur.lastcol());
1040 Buffer const & buf = *cur.buffer();
1041 LASSERT(buf.params().isLatex(), /* */);
1044 odocstringstream ods;
1045 otexstream os(ods, texrow);
1046 OutputParams runparams(&buf.params().encoding());
1047 runparams.nice = false;
1048 runparams.flavor = OutputParams::LATEX;
1049 runparams.linelen = 8000; //lyxrc.plaintext_linelen;
1050 // No side effect of file copying and image conversion
1051 runparams.dryrun = true;
1053 if (cur.inTexted()) {
1054 // @TODO what about searching beyond/across paragraph breaks ?
1055 pos_type endpos = cur.paragraph().size();
1056 if (len != -1 && endpos > cur.pos() + len)
1057 endpos = cur.pos() + len;
1058 TeXOnePar(buf, *cur.innerText(), cur.pit(), os, runparams,
1059 string(), cur.pos(), endpos);
1060 LYXERR(Debug::FIND, "Latexified text: '" << lyx::to_utf8(ods.str()) << "'");
1061 } else if (cur.inMathed()) {
1062 // Retrieve the math environment type, and add '$' or '$[' or others (\begin{equation}) accordingly
1063 for (int s = cur.depth() - 1; s >= 0; --s) {
1064 CursorSlice const & cs = cur[s];
1065 if (cs.asInsetMath() && cs.asInsetMath() && cs.asInsetMath()->asHullInset()) {
1066 WriteStream ws(ods);
1067 cs.asInsetMath()->asHullInset()->header_write(ws);
1072 CursorSlice const & cs = cur.top();
1073 MathData md = cs.cell();
1074 MathData::const_iterator it_end =
1075 ((len == -1 || cs.pos() + len > int(md.size()))
1077 : md.begin() + cs.pos() + len);
1078 for (MathData::const_iterator it = md.begin() + cs.pos();
1080 ods << asString(*it);
1082 // Retrieve the math environment type, and add '$' or '$]'
1083 // or others (\end{equation}) accordingly
1084 for (int s = cur.depth() - 1; s >= 0; --s) {
1085 CursorSlice const & cs = cur[s];
1086 InsetMath * inset = cs.asInsetMath();
1087 if (inset && inset->asHullInset()) {
1088 WriteStream ws(ods);
1089 inset->asHullInset()->footer_write(ws);
1093 LYXERR(Debug::FIND, "Latexified math: '" << lyx::to_utf8(ods.str()) << "'");
1095 LYXERR(Debug::FIND, "Don't know how to stringify from here: " << cur);
1101 /** Finalize an advanced find operation, advancing the cursor to the innermost
1102 ** position that matches, plus computing the length of the matching text to
1105 int findAdvFinalize(DocIterator & cur, MatchStringAdv const & match)
1107 // Search the foremost position that matches (avoids find of entire math
1108 // inset when match at start of it)
1110 DocIterator old_cur(cur.buffer());
1112 LYXERR(Debug::FIND, "Forwarding one step (searching for innermost match)");
1116 } while (cur && cur.depth() > d && match(cur) > 0);
1118 LASSERT(match(cur) > 0, /* */);
1119 LYXERR(Debug::FIND, "Ok");
1121 // Compute the match length
1123 if (cur.pos() + len > cur.lastpos())
1125 LYXERR(Debug::FIND, "verifying unmatch with len = " << len);
1126 while (cur.pos() + len <= cur.lastpos() && match(cur, len) == 0) {
1128 LYXERR(Debug::FIND, "verifying unmatch with len = " << len);
1130 // Length of matched text (different from len param)
1131 int old_len = match(cur, len);
1133 // Greedy behaviour while matching regexps
1134 while ((new_len = match(cur, len + 1)) > old_len) {
1137 LYXERR(Debug::FIND, "verifying match with len = " << len);
1144 int findForwardAdv(DocIterator & cur, MatchStringAdv & match)
1148 while (!theApp()->longOperationCancelled() && cur) {
1149 LYXERR(Debug::FIND, "findForwardAdv() cur: " << cur);
1150 int match_len = match(cur, -1, false);
1151 LYXERR(Debug::FIND, "match_len: " << match_len);
1153 for (; !theApp()->longOperationCancelled() && cur; cur.forwardPos()) {
1154 LYXERR(Debug::FIND, "Advancing cur: " << cur);
1155 int match_len = match(cur);
1156 LYXERR(Debug::FIND, "match_len: " << match_len);
1158 // Sometimes in finalize we understand it wasn't a match
1159 // and we need to continue the outest loop
1160 int len = findAdvFinalize(cur, match);
1168 if (cur.pit() < cur.lastpit()) {
1169 LYXERR(Debug::FIND, "Advancing par: cur=" << cur);
1172 // This should exit nested insets, if any, or otherwise undefine the currsor.
1173 cur.pos() = cur.lastpos();
1174 LYXERR(Debug::FIND, "Advancing pos: cur=" << cur);
1182 /// Find the most backward consecutive match within same paragraph while searching backwards.
1183 int findMostBackwards(DocIterator & cur, MatchStringAdv const & match)
1185 DocIterator cur_begin = doc_iterator_begin(cur.buffer());
1186 DocIterator tmp_cur = cur;
1187 int len = findAdvFinalize(tmp_cur, match);
1188 Inset & inset = cur.inset();
1189 for (; cur != cur_begin; cur.backwardPos()) {
1190 LYXERR(Debug::FIND, "findMostBackwards(): cur=" << cur);
1191 DocIterator new_cur = cur;
1192 new_cur.backwardPos();
1193 if (new_cur == cur || &new_cur.inset() != &inset || !match(new_cur))
1195 int new_len = findAdvFinalize(new_cur, match);
1200 LYXERR(Debug::FIND, "findMostBackwards(): exiting with cur=" << cur);
1206 int findBackwardsAdv(DocIterator & cur, MatchStringAdv & match) {
1209 // Backup of original position
1210 DocIterator cur_begin = doc_iterator_begin(cur.buffer());
1211 if (cur == cur_begin)
1214 DocIterator cur_orig(cur);
1216 bool pit_changed = false;
1217 found_match = false;
1220 found_match = match(cur, -1, false);
1224 cur.pos() = cur.lastpos();
1226 cur.pos() = cur_orig.pos();
1227 LYXERR(Debug::FIND, "findBackAdv2: cur: " << cur);
1228 DocIterator cur_prev_iter;
1230 found_match = match(cur);
1231 LYXERR(Debug::FIND, "findBackAdv3: found_match="
1232 << found_match << ", cur: " << cur);
1234 return findMostBackwards(cur, match);
1236 // Stop if begin of document reached
1237 if (cur == cur_begin)
1239 cur_prev_iter = cur;
1243 if (cur == cur_begin)
1250 } while (!theApp()->longOperationCancelled());
1255 } // anonym namespace
1258 docstring stringifyFromForSearch(FindAndReplaceOptions const & opt,
1259 DocIterator const & cur, int len)
1261 LASSERT(cur.pos() >= 0 && cur.pos() <= cur.lastpos(), /* */);
1262 if (!opt.ignoreformat)
1263 return latexifyFromCursor(cur, len);
1265 return stringifyFromCursor(cur, len);
1269 FindAndReplaceOptions::FindAndReplaceOptions(
1270 docstring const & find_buf_name, bool casesensitive,
1271 bool matchword, bool forward, bool expandmacros, bool ignoreformat,
1272 docstring const & repl_buf_name, bool keep_case,
1274 : find_buf_name(find_buf_name), casesensitive(casesensitive), matchword(matchword),
1275 forward(forward), expandmacros(expandmacros), ignoreformat(ignoreformat),
1276 repl_buf_name(repl_buf_name), keep_case(keep_case), scope(scope)
1284 /** Check if 'len' letters following cursor are all non-lowercase */
1285 static bool allNonLowercase(DocIterator const & cur, int len) {
1286 pos_type end_pos = cur.pos() + len;
1287 for (pos_type pos = cur.pos(); pos != end_pos; ++pos)
1288 if (isLowerCase(cur.paragraph().getChar(pos)))
1294 /** Check if first letter is upper case and second one is lower case */
1295 static bool firstUppercase(DocIterator const & cur) {
1297 if (cur.pos() >= cur.lastpos() - 1) {
1298 LYXERR(Debug::FIND, "No upper-case at cur: " << cur);
1301 ch1 = cur.paragraph().getChar(cur.pos());
1302 ch2 = cur.paragraph().getChar(cur.pos()+1);
1303 bool result = isUpperCase(ch1) && isLowerCase(ch2);
1304 LYXERR(Debug::FIND, "firstUppercase(): "
1305 << "ch1=" << ch1 << "(" << char(ch1) << "), ch2="
1306 << ch2 << "(" << char(ch2) << ")"
1307 << ", result=" << result << ", cur=" << cur);
1312 /** Make first letter of supplied buffer upper-case, and the rest lower-case.
1314 ** \fixme What to do with possible further paragraphs in replace buffer ?
1316 static void changeFirstCase(Buffer & buffer, TextCase first_case, TextCase others_case) {
1317 ParagraphList::iterator pit = buffer.paragraphs().begin();
1318 pos_type right = pos_type(1);
1319 pit->changeCase(buffer.params(), pos_type(0), right, first_case);
1320 right = pit->size() + 1;
1321 pit->changeCase(buffer.params(), right, right, others_case);
1326 static void findAdvReplace(BufferView * bv, FindAndReplaceOptions const & opt, MatchStringAdv & matchAdv)
1328 Cursor & cur = bv->cursor();
1329 if (opt.repl_buf_name == docstring())
1332 DocIterator sel_beg = cur.selectionBegin();
1333 DocIterator sel_end = cur.selectionEnd();
1334 if (&sel_beg.inset() != &sel_end.inset()
1335 || sel_beg.pit() != sel_end.pit())
1337 int sel_len = sel_end.pos() - sel_beg.pos();
1338 LYXERR(Debug::FIND, "sel_beg: " << sel_beg << ", sel_end: " << sel_end
1339 << ", sel_len: " << sel_len << endl);
1342 LASSERT(sel_len > 0, /**/);
1344 if (!matchAdv(sel_beg, sel_len))
1347 // Build a copy of the replace buffer, adapted to the KeepCase option
1348 Buffer & repl_buffer_orig = *theBufferList().getBuffer(FileName(to_utf8(opt.repl_buf_name)), true);
1350 repl_buffer_orig.write(oss);
1351 string lyx = oss.str();
1352 Buffer repl_buffer("", false);
1353 repl_buffer.setUnnamed(true);
1354 LASSERT(repl_buffer.readString(lyx), /**/);
1355 if (opt.keep_case && sel_len >= 2) {
1356 if (cur.inTexted()) {
1357 if (firstUppercase(cur))
1358 changeFirstCase(repl_buffer, text_uppercase, text_lowercase);
1359 else if (allNonLowercase(cur, sel_len))
1360 changeFirstCase(repl_buffer, text_uppercase, text_uppercase);
1363 cap::cutSelection(cur, false, false);
1364 if (cur.inTexted()) {
1365 repl_buffer.changeLanguage(
1366 repl_buffer.language(),
1367 cur.getFont().language());
1368 LYXERR(Debug::FIND, "Replacing by pasteParagraphList()ing repl_buffer");
1369 LYXERR(Debug::FIND, "Before pasteParagraphList() cur=" << cur << endl);
1370 cap::pasteParagraphList(cur, repl_buffer.paragraphs(),
1371 repl_buffer.params().documentClassPtr(),
1372 bv->buffer().errorList("Paste"));
1373 LYXERR(Debug::FIND, "After pasteParagraphList() cur=" << cur << endl);
1374 sel_len = repl_buffer.paragraphs().begin()->size();
1375 } else if (cur.inMathed()) {
1377 odocstringstream ods;
1378 otexstream os(ods, texrow);
1379 OutputParams runparams(&repl_buffer.params().encoding());
1380 runparams.nice = false;
1381 runparams.flavor = OutputParams::LATEX;
1382 runparams.linelen = 8000; //lyxrc.plaintext_linelen;
1383 runparams.dryrun = true;
1384 TeXOnePar(repl_buffer, repl_buffer.text(), 0, os, runparams);
1385 //repl_buffer.getSourceCode(ods, 0, repl_buffer.paragraphs().size(), false);
1386 docstring repl_latex = ods.str();
1387 LYXERR(Debug::FIND, "Latexified replace_buffer: '" << repl_latex << "'");
1389 regex_replace(to_utf8(repl_latex), s, "\\$(.*)\\$", "$1");
1390 regex_replace(s, s, "\\\\\\[(.*)\\\\\\]", "$1");
1391 repl_latex = from_utf8(s);
1392 LYXERR(Debug::FIND, "Replacing by insert()ing latex: '" << repl_latex << "' cur=" << cur << " with depth=" << cur.depth());
1393 MathData ar(cur.buffer());
1394 asArray(repl_latex, ar, Parse::NORMAL);
1396 sel_len = ar.size();
1397 LYXERR(Debug::FIND, "After insert() cur=" << cur << " with depth: " << cur.depth() << " and len: " << sel_len);
1399 if (cur.pos() >= sel_len)
1400 cur.pos() -= sel_len;
1403 LYXERR(Debug::FIND, "After pos adj cur=" << cur << " with depth: " << cur.depth() << " and len: " << sel_len);
1404 bv->putSelectionAt(DocIterator(cur), sel_len, !opt.forward);
1405 bv->processUpdateFlags(Update::Force);
1406 bv->buffer().updatePreviews();
1410 /// Perform a FindAdv operation.
1411 bool findAdv(BufferView * bv, FindAndReplaceOptions const & opt)
1417 MatchStringAdv matchAdv(bv->buffer(), opt);
1418 findAdvReplace(bv, opt, matchAdv);
1421 match_len = findForwardAdv(cur, matchAdv);
1423 match_len = findBackwardsAdv(cur, matchAdv);
1425 // This may only be raised by lyx::regex()
1426 bv->message(_("Invalid regular expression!"));
1430 if (match_len == 0) {
1431 bv->message(_("Match not found!"));
1435 bv->message(_("Match found!"));
1437 LYXERR(Debug::FIND, "Putting selection at cur=" << cur << " with len: " << match_len);
1438 bv->putSelectionAt(cur, match_len, !opt.forward);
1444 ostringstream & operator<<(ostringstream & os, FindAndReplaceOptions const & opt)
1446 os << to_utf8(opt.find_buf_name) << "\nEOSS\n"
1447 << opt.casesensitive << ' '
1448 << opt.matchword << ' '
1449 << opt.forward << ' '
1450 << opt.expandmacros << ' '
1451 << opt.ignoreformat << ' '
1452 << to_utf8(opt.repl_buf_name) << "\nEOSS\n"
1453 << opt.keep_case << ' '
1456 LYXERR(Debug::FIND, "built: " << os.str());
1462 istringstream & operator>>(istringstream & is, FindAndReplaceOptions & opt)
1464 LYXERR(Debug::FIND, "parsing");
1468 while (line != "EOSS") {
1472 if (is.eof()) // Tolerate malformed request
1476 LYXERR(Debug::FIND, "file_buf_name: '" << s << "'");
1477 opt.find_buf_name = from_utf8(s);
1478 is >> opt.casesensitive >> opt.matchword >> opt.forward >> opt.expandmacros >> opt.ignoreformat;
1479 is.get(); // Waste space before replace string
1482 while (line != "EOSS") {
1486 if (is.eof()) // Tolerate malformed request
1490 LYXERR(Debug::FIND, "repl_buf_name: '" << s << "'");
1491 opt.repl_buf_name = from_utf8(s);
1492 is >> opt.keep_case;
1495 opt.scope = FindAndReplaceOptions::SearchScope(i);
1496 LYXERR(Debug::FIND, "parsed: " << opt.casesensitive << ' ' << opt.matchword << ' ' << opt.forward << ' '
1497 << opt.expandmacros << ' ' << opt.ignoreformat << ' ' << opt.keep_case);