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/FileName.h"
49 #include "support/gettext.h"
50 #include "support/lassert.h"
51 #include "support/lstrings.h"
53 #include "support/regex.h"
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 searchAllowed(docstring const & str)
127 frontend::Alert::error(_("Search error"), _("Search string is empty"));
134 bool findOne(BufferView * bv, docstring const & searchstr,
135 bool case_sens, bool whole, bool forward,
136 bool find_del = true, bool check_wrap = false)
138 if (!searchAllowed(searchstr))
141 DocIterator cur = forward
142 ? bv->cursor().selectionEnd()
143 : bv->cursor().selectionBegin();
145 MatchString const match(searchstr, case_sens, whole);
147 int match_len = forward
148 ? findForward(cur, match, find_del)
149 : findBackwards(cur, match, find_del);
152 bv->putSelectionAt(cur, match_len, !forward);
153 else if (check_wrap) {
154 DocIterator cur_orig(bv->cursor());
157 q = _("End of file reached while searching forward.\n"
158 "Continue searching from the beginning?");
160 q = _("Beginning of file reached while searching backward.\n"
161 "Continue searching from the end?");
162 int wrap_answer = frontend::Alert::prompt(_("Wrap search?"),
163 q, 0, 1, _("&Yes"), _("&No"));
164 if (wrap_answer == 0) {
166 bv->cursor().clear();
167 bv->cursor().push_back(CursorSlice(bv->buffer().inset()));
169 bv->cursor().setCursor(doc_iterator_end(&bv->buffer()));
170 bv->cursor().backwardPos();
172 bv->clearSelection();
173 if (findOne(bv, searchstr, case_sens, whole, forward, find_del, false))
176 bv->cursor().setCursor(cur_orig);
180 return match_len > 0;
184 int replaceAll(BufferView * bv,
185 docstring const & searchstr, docstring const & replacestr,
186 bool case_sens, bool whole)
188 Buffer & buf = bv->buffer();
190 if (!searchAllowed(searchstr) || buf.isReadonly())
193 DocIterator cur_orig(bv->cursor());
195 MatchString const match(searchstr, case_sens, whole);
198 int const rsize = replacestr.size();
199 int const ssize = searchstr.size();
202 cur.setCursor(doc_iterator_begin(&buf));
203 int match_len = findForward(cur, match, false);
204 while (match_len > 0) {
205 // Backup current cursor position and font.
206 pos_type const pos = cur.pos();
207 Font const font = cur.paragraph().getFontSettings(buf.params(), pos);
209 int striked = ssize -
210 cur.paragraph().eraseChars(pos, pos + match_len,
211 buf.params().track_changes);
212 cur.paragraph().insert(pos, replacestr, font,
213 Change(buf.params().track_changes
215 : Change::UNCHANGED));
216 for (int i = 0; i < rsize + striked; ++i)
219 match_len = findForward(cur, match, false);
222 bv->putSelectionAt(doc_iterator_begin(&buf), 0, false);
224 cur_orig.fixIfBroken();
225 bv->setCursor(cur_orig);
231 // the idea here is that we are going to replace the string that
232 // is selected IF it is the search string.
233 // if there is a selection, but it is not the search string, then
234 // we basically ignore it. (FIXME We ought to replace only within
236 // if there is no selection, then:
237 // (i) if some search string has been provided, then we find it.
238 // (think of how the dialog works when you hit "replace" the
240 // (ii) if no search string has been provided, then we treat the
241 // word the cursor is in as the search string. (why? i have no
242 // idea.) but this only works in text?
244 // returns the number of replacements made (one, if any) and
245 // whether anything at all was done.
246 pair<bool, int> replaceOne(BufferView * bv, docstring searchstr,
247 docstring const & replacestr, bool case_sens,
248 bool whole, bool forward, bool findnext)
250 Cursor & cur = bv->cursor();
252 if (!cur.selection()) {
253 // no selection, non-empty search string: find it
254 if (!searchstr.empty()) {
255 found = findOne(bv, searchstr, case_sens, whole, forward, true, findnext);
256 return make_pair(found, 0);
258 // empty search string
261 return make_pair(false, 0);
262 // select current word and treat it as the search string.
263 // This causes a minor bug as undo will restore this selection,
264 // which the user did not create (#8986).
265 cur.innerText()->selectWord(cur, WHOLE_WORD);
266 searchstr = cur.selectionAsString(false);
269 // if we still don't have a search string, report the error
271 if (!searchAllowed(searchstr))
272 return make_pair(false, 0);
274 bool have_selection = cur.selection();
275 docstring const selected = cur.selectionAsString(false);
278 ? searchstr == selected
279 : compare_no_case(searchstr, selected) == 0;
281 // no selection or current selection is not search word:
282 // just find the search word
283 if (!have_selection || !match) {
284 found = findOne(bv, searchstr, case_sens, whole, forward, true, findnext);
285 return make_pair(found, 0);
288 // we're now actually ready to replace. if the buffer is
289 // read-only, we can't, though.
290 if (bv->buffer().isReadonly())
291 return make_pair(false, 0);
293 cap::replaceSelectionWithString(cur, replacestr);
295 cur.pos() += replacestr.length();
296 LASSERT(cur.pos() <= cur.lastpos(),
297 cur.pos() = cur.lastpos());
300 findOne(bv, searchstr, case_sens, whole, forward, false, findnext);
302 return make_pair(true, 1);
308 docstring const find2string(docstring const & search,
309 bool casesensitive, bool matchword, bool forward)
313 << int(casesensitive) << ' '
314 << int(matchword) << ' '
320 docstring const replace2string(docstring const & replace,
321 docstring const & search,
322 bool casesensitive, bool matchword,
323 bool all, bool forward, bool findnext)
326 ss << replace << '\n'
328 << int(casesensitive) << ' '
329 << int(matchword) << ' '
331 << int(forward) << ' '
337 bool lyxfind(BufferView * bv, FuncRequest const & ev)
339 if (!bv || ev.action() != LFUN_WORD_FIND)
342 //lyxerr << "find called, cmd: " << ev << endl;
344 // data is of the form
346 // <casesensitive> <matchword> <forward>"
348 docstring howto = split(ev.argument(), search, '\n');
350 bool casesensitive = parse_bool(howto);
351 bool matchword = parse_bool(howto);
352 bool forward = parse_bool(howto);
354 return findOne(bv, search, casesensitive, matchword, forward, true, true);
358 bool lyxreplace(BufferView * bv,
359 FuncRequest const & ev, bool has_deleted)
361 if (!bv || ev.action() != LFUN_WORD_REPLACE)
364 // data is of the form
367 // <casesensitive> <matchword> <all> <forward> <findnext>"
370 docstring howto = split(ev.argument(), rplc, '\n');
371 howto = split(howto, search, '\n');
373 bool casesensitive = parse_bool(howto);
374 bool matchword = parse_bool(howto);
375 bool all = parse_bool(howto);
376 bool forward = parse_bool(howto);
377 bool findnext = howto.empty() ? true : parse_bool(howto);
382 int replace_count = 0;
384 replace_count = replaceAll(bv, search, rplc, casesensitive, matchword);
385 update = replace_count > 0;
388 replaceOne(bv, search, rplc, casesensitive, matchword, forward, findnext);
390 replace_count = rv.second;
393 Buffer const & buf = bv->buffer();
395 // emit message signal.
396 buf.message(_("String not found."));
398 if (replace_count == 0) {
399 buf.message(_("String found."));
400 } else if (replace_count == 1) {
401 buf.message(_("String has been replaced."));
403 docstring const str =
404 bformat(_("%1$d strings have been replaced."), replace_count);
408 } else if (findnext) {
409 // if we have deleted characters, we do not replace at all, but
410 // rather search for the next occurence
411 if (findOne(bv, search, casesensitive, matchword, forward, true, findnext))
414 bv->message(_("String not found."));
420 bool findNextChange(BufferView * bv, Cursor & cur, bool const check_wrap)
422 for (; cur; cur.forwardPos())
423 if (cur.inTexted() && cur.paragraph().isChanged(cur.pos()))
427 DocIterator cur_orig(bv->cursor());
428 docstring q = _("End of file reached while searching forward.\n"
429 "Continue searching from the beginning?");
430 int wrap_answer = frontend::Alert::prompt(_("Wrap search?"),
431 q, 0, 1, _("&Yes"), _("&No"));
432 if (wrap_answer == 0) {
433 bv->cursor().clear();
434 bv->cursor().push_back(CursorSlice(bv->buffer().inset()));
435 bv->clearSelection();
436 cur.setCursor(bv->cursor().selectionBegin());
437 if (findNextChange(bv, cur, false))
440 bv->cursor().setCursor(cur_orig);
447 bool findPreviousChange(BufferView * bv, Cursor & cur, bool const check_wrap)
449 for (cur.backwardPos(); cur; cur.backwardPos()) {
450 if (cur.inTexted() && cur.paragraph().isChanged(cur.pos()))
455 DocIterator cur_orig(bv->cursor());
456 docstring q = _("Beginning of file reached while searching backward.\n"
457 "Continue searching from the end?");
458 int wrap_answer = frontend::Alert::prompt(_("Wrap search?"),
459 q, 0, 1, _("&Yes"), _("&No"));
460 if (wrap_answer == 0) {
461 bv->cursor().setCursor(doc_iterator_end(&bv->buffer()));
462 bv->cursor().backwardPos();
463 bv->clearSelection();
464 cur.setCursor(bv->cursor().selectionBegin());
465 if (findPreviousChange(bv, cur, false))
468 bv->cursor().setCursor(cur_orig);
475 bool selectChange(Cursor & cur, bool forward)
477 if (!cur.inTexted() || !cur.paragraph().isChanged(cur.pos()))
479 Change ch = cur.paragraph().lookupChange(cur.pos());
481 CursorSlice tip1 = cur.top();
482 for (; tip1.pit() < tip1.lastpit() || tip1.pos() < tip1.lastpos(); tip1.forwardPos()) {
483 Change ch2 = tip1.paragraph().lookupChange(tip1.pos());
484 if (!ch2.isSimilarTo(ch))
487 CursorSlice tip2 = cur.top();
488 for (; tip2.pit() > 0 || tip2.pos() > 0;) {
490 Change ch2 = tip2.paragraph().lookupChange(tip2.pos());
491 if (!ch2.isSimilarTo(ch)) {
492 // take a step forward to correctly set the selection
500 cur.bv().mouseSetCursor(cur, false);
502 cur.bv().mouseSetCursor(cur, true);
510 bool findChange(BufferView * bv, bool forward)
513 cur.setCursor(forward ? bv->cursor().selectionEnd()
514 : bv->cursor().selectionBegin());
515 forward ? findNextChange(bv, cur, true) : findPreviousChange(bv, cur, true);
516 return selectChange(cur, forward);
521 bool findNextChange(BufferView * bv)
523 return findChange(bv, true);
527 bool findPreviousChange(BufferView * bv)
529 return findChange(bv, false);
536 typedef vector<pair<string, string> > Escapes;
538 /// A map of symbols and their escaped equivalent needed within a regex.
539 /// @note Beware of order
540 Escapes const & get_regexp_escapes()
542 typedef std::pair<std::string, std::string> P;
544 static Escapes escape_map;
545 if (escape_map.empty()) {
546 escape_map.push_back(P("$", "_x_$"));
547 escape_map.push_back(P("{", "_x_{"));
548 escape_map.push_back(P("}", "_x_}"));
549 escape_map.push_back(P("[", "_x_["));
550 escape_map.push_back(P("]", "_x_]"));
551 escape_map.push_back(P("(", "_x_("));
552 escape_map.push_back(P(")", "_x_)"));
553 escape_map.push_back(P("+", "_x_+"));
554 escape_map.push_back(P("*", "_x_*"));
555 escape_map.push_back(P(".", "_x_."));
556 escape_map.push_back(P("\\", "(?:\\\\|\\\\backslash)"));
557 escape_map.push_back(P("~", "(?:\\\\textasciitilde|\\\\sim)"));
558 escape_map.push_back(P("^", "(?:\\^|\\\\textasciicircum\\{\\}|\\\\mathcircumflex)"));
559 escape_map.push_back(P("_x_", "\\"));
564 /// A map of lyx escaped strings and their unescaped equivalent.
565 Escapes const & get_lyx_unescapes()
567 typedef std::pair<std::string, std::string> P;
569 static Escapes escape_map;
570 if (escape_map.empty()) {
571 escape_map.push_back(P("\\%", "%"));
572 escape_map.push_back(P("\\mathcircumflex ", "^"));
573 escape_map.push_back(P("\\mathcircumflex", "^"));
574 escape_map.push_back(P("\\backslash ", "\\"));
575 escape_map.push_back(P("\\backslash", "\\"));
576 escape_map.push_back(P("\\\\{", "_x_<"));
577 escape_map.push_back(P("\\\\}", "_x_>"));
578 escape_map.push_back(P("\\sim ", "~"));
579 escape_map.push_back(P("\\sim", "~"));
584 /// A map of escapes turning a regexp matching text to one matching latex.
585 Escapes const & get_regexp_latex_escapes()
587 typedef std::pair<std::string, std::string> P;
589 static Escapes escape_map;
590 if (escape_map.empty()) {
591 escape_map.push_back(P("\\\\", "(?:\\\\\\\\|\\\\backslash|\\\\textbackslash\\{\\})"));
592 escape_map.push_back(P("(<?!\\\\\\\\textbackslash)\\{", "\\\\\\{"));
593 escape_map.push_back(P("(<?!\\\\\\\\textbackslash\\\\\\{)\\}", "\\\\\\}"));
594 escape_map.push_back(P("\\[", "\\{\\[\\}"));
595 escape_map.push_back(P("\\]", "\\{\\]\\}"));
596 escape_map.push_back(P("\\^", "(?:\\^|\\\\textasciicircum\\{\\}|\\\\mathcircumflex)"));
597 escape_map.push_back(P("%", "\\\\\\%"));
602 /** @todo Probably the maps need to be migrated to regexps, in order to distinguish if
603 ** the found occurrence were escaped.
605 string apply_escapes(string s, Escapes const & escape_map)
607 LYXERR(Debug::FIND, "Escaping: '" << s << "'");
608 Escapes::const_iterator it;
609 for (it = escape_map.begin(); it != escape_map.end(); ++it) {
610 // LYXERR(Debug::FIND, "Escaping " << it->first << " as " << it->second);
611 unsigned int pos = 0;
612 while (pos < s.length() && (pos = s.find(it->first, pos)) < s.length()) {
613 s.replace(pos, it->first.length(), it->second);
614 LYXERR(Debug::FIND, "After escape: " << s);
615 pos += it->second.length();
616 // LYXERR(Debug::FIND, "pos: " << pos);
619 LYXERR(Debug::FIND, "Escaped : '" << s << "'");
624 /// Within \regexp{} apply get_lyx_unescapes() only (i.e., preserve regexp semantics of the string),
625 /// while outside apply get_lyx_unescapes()+get_regexp_escapes().
626 /// If match_latex is true, then apply regexp_latex_escapes() to \regexp{} contents as well.
627 string escape_for_regex(string s, bool match_latex)
630 while (pos < s.size()) {
631 size_t new_pos = s.find("\\regexp{", pos);
632 if (new_pos == string::npos)
634 LYXERR(Debug::FIND, "new_pos: " << new_pos);
635 string t = apply_escapes(s.substr(pos, new_pos - pos), get_lyx_unescapes());
636 LYXERR(Debug::FIND, "t [lyx]: " << t);
637 t = apply_escapes(t, get_regexp_escapes());
638 LYXERR(Debug::FIND, "t [rxp]: " << t);
639 s.replace(pos, new_pos - pos, t);
640 new_pos = pos + t.size();
641 LYXERR(Debug::FIND, "Regexp after escaping: " << s);
642 LYXERR(Debug::FIND, "new_pos: " << new_pos);
643 if (new_pos == s.size())
645 // Might fail if \\endregexp{} is preceeded by unexpected stuff (weird escapes)
646 size_t end_pos = s.find("\\endregexp{}}", new_pos + 8);
647 LYXERR(Debug::FIND, "end_pos: " << end_pos);
648 t = s.substr(new_pos + 8, end_pos - (new_pos + 8));
649 LYXERR(Debug::FIND, "t in regexp : " << t);
650 t = apply_escapes(t, get_lyx_unescapes());
651 LYXERR(Debug::FIND, "t in regexp [lyx]: " << t);
653 t = apply_escapes(t, get_regexp_latex_escapes());
654 LYXERR(Debug::FIND, "t in regexp [ltx]: " << t);
656 if (end_pos == s.size()) {
657 s.replace(new_pos, end_pos - new_pos, t);
658 LYXERR(Debug::FIND, "Regexp after \\regexp{} removal: " << s);
661 s.replace(new_pos, end_pos + 13 - new_pos, t);
662 LYXERR(Debug::FIND, "Regexp after \\regexp{...\\endregexp{}} removal: " << s);
663 pos = new_pos + t.size();
664 LYXERR(Debug::FIND, "pos: " << pos);
670 /// Wrapper for lyx::regex_replace with simpler interface
671 bool regex_replace(string const & s, string & t, string const & searchstr,
672 string const & replacestr)
674 lyx::regex e(searchstr);
676 ostream_iterator<char, char> it(oss);
677 lyx::regex_replace(it, s.begin(), s.end(), e, replacestr);
678 // tolerate t and s be references to the same variable
679 bool rv = (s != oss.str());
685 /** Checks if supplied string segment is well-formed from the standpoint of matching open-closed braces.
687 ** Verify that closed braces exactly match open braces. This avoids that, for example,
688 ** \frac{.*}{x} matches \frac{x+\frac{y}{x}}{z} with .* being 'x+\frac{y'.
691 ** Number of open braces that must remain open at the end for the verification to succeed.
693 bool braces_match(string::const_iterator const & beg,
694 string::const_iterator const & end,
698 string::const_iterator it = beg;
699 LYXERR(Debug::FIND, "Checking " << unmatched << " unmatched braces in '" << string(beg, end) << "'");
700 for (; it != end; ++it) {
701 // Skip escaped braces in the count
706 } else if (*it == '{') {
708 } else if (*it == '}') {
709 if (open_pars == 0) {
710 LYXERR(Debug::FIND, "Found unmatched closed brace");
716 if (open_pars != unmatched) {
717 LYXERR(Debug::FIND, "Found " << open_pars
718 << " instead of " << unmatched
719 << " unmatched open braces at the end of count");
722 LYXERR(Debug::FIND, "Braces match as expected");
727 /** The class performing a match between a position in the document and the FindAdvOptions.
729 class MatchStringAdv {
731 MatchStringAdv(lyx::Buffer & buf, FindAndReplaceOptions const & opt);
733 /** Tests if text starting at the supplied position matches with the one provided to the MatchStringAdv
734 ** constructor as opt.search, under the opt.* options settings.
737 ** If set, then match is searched only against beginning of text starting at cur.
738 ** If unset, then match is searched anywhere in text starting at cur.
741 ** The length of the matching text, or zero if no match was found.
743 int operator()(DocIterator const & cur, int len = -1, bool at_begin = true) const;
748 /// first buffer on which search was started
749 lyx::Buffer * const p_first_buf;
751 FindAndReplaceOptions const & opt;
754 /// Auxiliary find method (does not account for opt.matchword)
755 int findAux(DocIterator const & cur, int len = -1, bool at_begin = true) const;
757 /** Normalize a stringified or latexified LyX paragraph.
761 ** <li>if search is not casesensitive, then lowercase the string;
762 ** <li>remove any newline at begin or end of the string;
763 ** <li>replace any newline in the middle of the string with a simple space;
764 ** <li>remove stale empty styles and environments, like \emph{} and \textbf{}.
767 ** @todo Normalization should also expand macros, if the corresponding
768 ** search option was checked.
770 string normalize(docstring const & s, bool hack_braces) const;
771 // normalized string to search
772 string par_as_string;
773 // regular expression to use for searching
775 // same as regexp, but prefixed with a ".*"
777 // leading format material as string
778 string lead_as_string;
779 // par_as_string after removal of lead_as_string
780 string par_as_string_nolead;
781 // unmatched open braces in the search string/regexp
783 // number of (.*?) subexpressions added at end of search regexp for closing
784 // environments, math mode, styles, etc...
786 // Are we searching with regular expressions ?
791 static docstring buffer_to_latex(Buffer & buffer)
793 OutputParams runparams(&buffer.params().encoding());
794 TexRow texrow(false);
795 odocstringstream ods;
796 otexstream os(ods, texrow);
797 runparams.nice = true;
798 runparams.flavor = OutputParams::LATEX;
799 runparams.linelen = 80; //lyxrc.plaintext_linelen;
800 // No side effect of file copying and image conversion
801 runparams.dryrun = true;
802 pit_type const endpit = buffer.paragraphs().size();
803 for (pit_type pit = 0; pit != endpit; ++pit) {
804 TeXOnePar(buffer, buffer.text(), pit, os, runparams);
805 LYXERR(Debug::FIND, "searchString up to here: " << ods.str());
811 static docstring stringifySearchBuffer(Buffer & buffer, FindAndReplaceOptions const & opt)
814 if (!opt.ignoreformat) {
815 str = buffer_to_latex(buffer);
817 OutputParams runparams(&buffer.params().encoding());
818 runparams.nice = true;
819 runparams.flavor = OutputParams::LATEX;
820 runparams.linelen = 100000; //lyxrc.plaintext_linelen;
821 runparams.dryrun = true;
822 runparams.for_search = true;
823 for (pos_type pit = pos_type(0); pit < (pos_type)buffer.paragraphs().size(); ++pit) {
824 Paragraph const & par = buffer.paragraphs().at(pit);
825 LYXERR(Debug::FIND, "Adding to search string: '"
826 << par.asString(pos_type(0), par.size(),
827 AS_STR_INSETS | AS_STR_SKIPDELETE | AS_STR_PLAINTEXT,
830 str += par.asString(pos_type(0), par.size(),
831 AS_STR_INSETS | AS_STR_SKIPDELETE | AS_STR_PLAINTEXT,
839 /// Return separation pos between the leading material and the rest
840 static size_t identifyLeading(string const & s)
843 // @TODO Support \item[text]
844 while (regex_replace(t, t, "^\\\\(emph|textbf|subsubsection|subsection|section|subparagraph|paragraph|part)\\*?\\{", "")
845 || regex_replace(t, t, "^\\$", "")
846 || regex_replace(t, t, "^\\\\\\[ ", "")
847 || regex_replace(t, t, "^\\\\item ", "")
848 || regex_replace(t, t, "^\\\\begin\\{[a-zA-Z_]*\\*?\\} ", ""))
849 LYXERR(Debug::FIND, " after removing leading $, \\[ , \\emph{, \\textbf{, etc.: '" << t << "'");
854 // Remove trailing closure of math, macros and environments, so to catch parts of them.
855 static int identifyClosing(string & t)
859 LYXERR(Debug::FIND, "identifyClosing(): t now is '" << t << "'");
860 if (regex_replace(t, t, "(.*[^\\\\])\\$\\'", "$1"))
862 if (regex_replace(t, t, "(.*[^\\\\]) \\\\\\]\\'", "$1"))
864 if (regex_replace(t, t, "(.*[^\\\\]) \\\\end\\{[a-zA-Z_]*\\*?\\}\\'", "$1"))
866 if (regex_replace(t, t, "(.*[^\\\\])\\}\\'", "$1")) {
876 MatchStringAdv::MatchStringAdv(lyx::Buffer & buf, FindAndReplaceOptions const & opt)
877 : p_buf(&buf), p_first_buf(&buf), opt(opt)
879 Buffer & find_buf = *theBufferList().getBuffer(FileName(to_utf8(opt.find_buf_name)), true);
880 docstring const & ds = stringifySearchBuffer(find_buf, opt);
881 use_regexp = lyx::to_utf8(ds).find("\\regexp{") != std::string::npos;
882 // When using regexp, braces are hacked already by escape_for_regex()
883 par_as_string = normalize(ds, !use_regexp);
887 size_t lead_size = 0;
888 if (opt.ignoreformat) {
890 // if par_as_string_nolead were emty,
891 // the following call to findAux will always *find* the string
892 // in the checked data, and thus always using the slow
893 // examining of the current text part.
894 par_as_string_nolead = par_as_string;
897 lead_size = identifyLeading(par_as_string);
898 lead_as_string = par_as_string.substr(0, lead_size);
899 par_as_string_nolead = par_as_string.substr(lead_size, par_as_string.size() - lead_size);
903 open_braces = identifyClosing(par_as_string);
904 identifyClosing(par_as_string_nolead);
905 LYXERR(Debug::FIND, "Open braces: " << open_braces);
906 LYXERR(Debug::FIND, "Built MatchStringAdv object: par_as_string = '" << par_as_string << "'");
908 string lead_as_regexp;
910 // @todo No need to search for \regexp{} insets in leading material
911 lead_as_regexp = escape_for_regex(par_as_string.substr(0, lead_size), !opt.ignoreformat);
912 par_as_string = par_as_string_nolead;
913 LYXERR(Debug::FIND, "lead_as_regexp is '" << lead_as_regexp << "'");
914 LYXERR(Debug::FIND, "par_as_string now is '" << par_as_string << "'");
916 par_as_string = escape_for_regex(par_as_string, !opt.ignoreformat);
917 // Insert (.*?) before trailing closure of math, macros and environments, so to catch parts of them.
918 LYXERR(Debug::FIND, "par_as_string now is '" << par_as_string << "'");
920 // Insert .* before trailing '\$' ('$' has been escaped by escape_for_regex)
921 regex_replace(par_as_string, par_as_string, "(.*[^\\\\])(\\\\\\$)\\'", "$1(.*?)$2")
922 // Insert .* before trailing '\\\]' ('\]' has been escaped by escape_for_regex)
923 || regex_replace(par_as_string, par_as_string, "(.*[^\\\\])( \\\\\\\\\\\\\\])\\'", "$1(.*?)$2")
924 // Insert .* before trailing '\\end\{...}' ('\end{...}' has been escaped by escape_for_regex)
925 || regex_replace(par_as_string, par_as_string,
926 "(.*[^\\\\])( \\\\\\\\end\\\\\\{[a-zA-Z_]*)(\\\\\\*)?(\\\\\\})\\'", "$1(.*?)$2$3$4")
927 // Insert .* before trailing '\}' ('}' has been escaped by escape_for_regex)
928 || regex_replace(par_as_string, par_as_string, "(.*[^\\\\])(\\\\\\})\\'", "$1(.*?)$2")
932 LYXERR(Debug::FIND, "par_as_string now is '" << par_as_string << "'");
933 LYXERR(Debug::FIND, "Open braces: " << open_braces);
934 LYXERR(Debug::FIND, "Close .*? : " << close_wildcards);
935 LYXERR(Debug::FIND, "Replaced text (to be used as regex): " << par_as_string);
936 // If entered regexp must match at begin of searched string buffer
937 string regexp_str = string("\\`") + lead_as_regexp + par_as_string;
938 LYXERR(Debug::FIND, "Setting regexp to : '" << regexp_str << "'");
939 regexp = lyx::regex(regexp_str);
941 // If entered regexp may match wherever in searched string buffer
942 string regexp2_str = string("\\`.*") + lead_as_regexp + ".*" + par_as_string;
943 LYXERR(Debug::FIND, "Setting regexp2 to: '" << regexp2_str << "'");
944 regexp2 = lyx::regex(regexp2_str);
949 int MatchStringAdv::findAux(DocIterator const & cur, int len, bool at_begin) const
952 (opt.restr == FindAndReplaceOptions::R_ONLY_MATHS && !cur.inMathed()) )
954 docstring docstr = stringifyFromForSearch(opt, cur, len);
955 LYXERR(Debug::FIND, "Matching against '" << lyx::to_utf8(docstr) << "'");
956 string str = normalize(docstr, true);
957 LYXERR(Debug::FIND, "After normalization: '" << str << "'");
959 LYXERR(Debug::FIND, "Searching in normal mode: par_as_string='" << par_as_string << "', str='" << str << "'");
960 LYXERR(Debug::FIND, "Searching in normal mode: lead_as_string='" << lead_as_string << "', par_as_string_nolead='" << par_as_string_nolead << "'");
962 LYXERR(Debug::FIND, "size=" << par_as_string.size() << ", substr='" << str.substr(0, par_as_string.size()) << "'");
963 if (str.substr(0, par_as_string.size()) == par_as_string)
964 return par_as_string.size();
966 size_t pos = str.find(par_as_string_nolead);
967 if (pos != string::npos)
968 return par_as_string.size();
971 LYXERR(Debug::FIND, "Searching in regexp mode: at_begin=" << at_begin);
972 // Try all possible regexp matches,
973 //until one that verifies the braces match test is found
974 regex const *p_regexp = at_begin ? ®exp : ®exp2;
975 sregex_iterator re_it(str.begin(), str.end(), *p_regexp);
976 sregex_iterator re_it_end;
977 for (; re_it != re_it_end; ++re_it) {
978 match_results<string::const_iterator> const & m = *re_it;
979 // Check braces on the segment that matched the entire regexp expression,
980 // plus the last subexpression, if a (.*?) was inserted in the constructor.
981 if (!braces_match(m[0].first, m[0].second, open_braces))
983 // Check braces on segments that matched all (.*?) subexpressions,
984 // except the last "padding" one inserted by lyx.
985 for (size_t i = 1; i < m.size() - 1; ++i)
986 if (!braces_match(m[i].first, m[i].second))
988 // Exclude from the returned match length any length
989 // due to close wildcards added at end of regexp
990 if (close_wildcards == 0)
991 return m[0].second - m[0].first;
993 return m[m.size() - close_wildcards].first - m[0].first;
1000 int MatchStringAdv::operator()(DocIterator const & cur, int len, bool at_begin) const
1002 int res = findAux(cur, len, at_begin);
1004 "res=" << res << ", at_begin=" << at_begin
1005 << ", matchword=" << opt.matchword
1006 << ", inTexted=" << cur.inTexted());
1007 if (res == 0 || !at_begin || !opt.matchword || !cur.inTexted())
1009 Paragraph const & par = cur.paragraph();
1010 bool ws_left = (cur.pos() > 0)
1011 ? par.isWordSeparator(cur.pos() - 1)
1013 bool ws_right = (cur.pos() + res < par.size())
1014 ? par.isWordSeparator(cur.pos() + res)
1017 "cur.pos()=" << cur.pos() << ", res=" << res
1018 << ", separ: " << ws_left << ", " << ws_right
1020 if (ws_left && ws_right)
1026 string MatchStringAdv::normalize(docstring const & s, bool hack_braces) const
1029 if (! opt.casesensitive)
1030 t = lyx::to_utf8(lowercase(s));
1032 t = lyx::to_utf8(s);
1033 // Remove \n at begin
1034 while (!t.empty() && t[0] == '\n')
1037 while (!t.empty() && t[t.size() - 1] == '\n')
1038 t = t.substr(0, t.size() - 1);
1040 // Replace all other \n with spaces
1041 while ((pos = t.find("\n")) != string::npos)
1042 t.replace(pos, 1, " ");
1043 // Remove stale empty \emph{}, \textbf{} and similar blocks from latexify
1044 LYXERR(Debug::FIND, "Removing stale empty \\emph{}, \\textbf{}, \\*section{} macros from: " << t);
1045 while (regex_replace(t, t, "\\\\(emph|textbf|subsubsection|subsection|section|subparagraph|paragraph|part)(\\{\\})+", ""))
1046 LYXERR(Debug::FIND, " further removing stale empty \\emph{}, \\textbf{} macros from: " << t);
1048 // FIXME - check what preceeds the brace
1050 if (opt.ignoreformat)
1051 while (regex_replace(t, t, "\\{", "_x_<")
1052 || regex_replace(t, t, "\\}", "_x_>"))
1053 LYXERR(Debug::FIND, "After {} replacement: '" << t << "'");
1055 while (regex_replace(t, t, "\\\\\\{", "_x_<")
1056 || regex_replace(t, t, "\\\\\\}", "_x_>"))
1057 LYXERR(Debug::FIND, "After {} replacement: '" << t << "'");
1064 docstring stringifyFromCursor(DocIterator const & cur, int len)
1066 LYXERR(Debug::FIND, "Stringifying with len=" << len << " from cursor at pos: " << cur);
1067 if (cur.inTexted()) {
1068 Paragraph const & par = cur.paragraph();
1069 // TODO what about searching beyond/across paragraph breaks ?
1070 // TODO Try adding a AS_STR_INSERTS as last arg
1071 pos_type end = ( len == -1 || cur.pos() + len > int(par.size()) ) ?
1072 int(par.size()) : cur.pos() + len;
1073 OutputParams runparams(&cur.buffer()->params().encoding());
1074 runparams.nice = true;
1075 runparams.flavor = OutputParams::LATEX;
1076 runparams.linelen = 100000; //lyxrc.plaintext_linelen;
1077 // No side effect of file copying and image conversion
1078 runparams.dryrun = true;
1079 LYXERR(Debug::FIND, "Stringifying with cur: "
1080 << cur << ", from pos: " << cur.pos() << ", end: " << end);
1081 return par.asString(cur.pos(), end,
1082 AS_STR_INSETS | AS_STR_SKIPDELETE | AS_STR_PLAINTEXT,
1084 } else if (cur.inMathed()) {
1086 CursorSlice cs = cur.top();
1087 MathData md = cs.cell();
1088 MathData::const_iterator it_end =
1089 (( len == -1 || cs.pos() + len > int(md.size()))
1091 : md.begin() + cs.pos() + len );
1092 for (MathData::const_iterator it = md.begin() + cs.pos();
1094 s = s + asString(*it);
1095 LYXERR(Debug::FIND, "Stringified math: '" << s << "'");
1098 LYXERR(Debug::FIND, "Don't know how to stringify from here: " << cur);
1103 /** Computes the LaTeX export of buf starting from cur and ending len positions
1104 * after cur, if len is positive, or at the paragraph or innermost inset end
1107 docstring latexifyFromCursor(DocIterator const & cur, int len)
1109 LYXERR(Debug::FIND, "Latexifying with len=" << len << " from cursor at pos: " << cur);
1110 LYXERR(Debug::FIND, " with cur.lastpost=" << cur.lastpos() << ", cur.lastrow="
1111 << cur.lastrow() << ", cur.lastcol=" << cur.lastcol());
1112 Buffer const & buf = *cur.buffer();
1113 LBUFERR(buf.params().isLatex());
1115 TexRow texrow(false);
1116 odocstringstream ods;
1117 otexstream os(ods, texrow);
1118 OutputParams runparams(&buf.params().encoding());
1119 runparams.nice = false;
1120 runparams.flavor = OutputParams::LATEX;
1121 runparams.linelen = 8000; //lyxrc.plaintext_linelen;
1122 // No side effect of file copying and image conversion
1123 runparams.dryrun = true;
1125 if (cur.inTexted()) {
1126 // @TODO what about searching beyond/across paragraph breaks ?
1127 pos_type endpos = cur.paragraph().size();
1128 if (len != -1 && endpos > cur.pos() + len)
1129 endpos = cur.pos() + len;
1130 TeXOnePar(buf, *cur.innerText(), cur.pit(), os, runparams,
1131 string(), cur.pos(), endpos);
1132 LYXERR(Debug::FIND, "Latexified text: '" << lyx::to_utf8(ods.str()) << "'");
1133 } else if (cur.inMathed()) {
1134 // Retrieve the math environment type, and add '$' or '$[' or others (\begin{equation}) accordingly
1135 for (int s = cur.depth() - 1; s >= 0; --s) {
1136 CursorSlice const & cs = cur[s];
1137 if (cs.asInsetMath() && cs.asInsetMath()->asHullInset()) {
1139 cs.asInsetMath()->asHullInset()->header_write(ws);
1144 CursorSlice const & cs = cur.top();
1145 MathData md = cs.cell();
1146 MathData::const_iterator it_end =
1147 ((len == -1 || cs.pos() + len > int(md.size()))
1149 : md.begin() + cs.pos() + len);
1150 for (MathData::const_iterator it = md.begin() + cs.pos();
1152 ods << asString(*it);
1154 // Retrieve the math environment type, and add '$' or '$]'
1155 // or others (\end{equation}) accordingly
1156 for (int s = cur.depth() - 1; s >= 0; --s) {
1157 CursorSlice const & cs = cur[s];
1158 InsetMath * inset = cs.asInsetMath();
1159 if (inset && inset->asHullInset()) {
1161 inset->asHullInset()->footer_write(ws);
1165 LYXERR(Debug::FIND, "Latexified math: '" << lyx::to_utf8(ods.str()) << "'");
1167 LYXERR(Debug::FIND, "Don't know how to stringify from here: " << cur);
1173 /** Finalize an advanced find operation, advancing the cursor to the innermost
1174 ** position that matches, plus computing the length of the matching text to
1177 int findAdvFinalize(DocIterator & cur, MatchStringAdv const & match)
1179 // Search the foremost position that matches (avoids find of entire math
1180 // inset when match at start of it)
1182 DocIterator old_cur(cur.buffer());
1184 LYXERR(Debug::FIND, "Forwarding one step (searching for innermost match)");
1188 } while (cur && cur.depth() > d && match(cur) > 0);
1190 LASSERT(match(cur) > 0, return 0);
1191 LYXERR(Debug::FIND, "Ok");
1193 // Compute the match length
1195 if (cur.pos() + len > cur.lastpos())
1197 LYXERR(Debug::FIND, "verifying unmatch with len = " << len);
1198 while (cur.pos() + len <= cur.lastpos() && match(cur, len) == 0) {
1200 LYXERR(Debug::FIND, "verifying unmatch with len = " << len);
1202 // Length of matched text (different from len param)
1203 int old_len = match(cur, len);
1205 // Greedy behaviour while matching regexps
1206 while ((new_len = match(cur, len + 1)) > old_len) {
1209 LYXERR(Debug::FIND, "verifying match with len = " << len);
1216 int findForwardAdv(DocIterator & cur, MatchStringAdv & match)
1220 while (!theApp()->longOperationCancelled() && cur) {
1221 LYXERR(Debug::FIND, "findForwardAdv() cur: " << cur);
1222 int match_len = match(cur, -1, false);
1223 LYXERR(Debug::FIND, "match_len: " << match_len);
1225 for (; !theApp()->longOperationCancelled() && cur; cur.forwardPos()) {
1226 LYXERR(Debug::FIND, "Advancing cur: " << cur);
1227 int match_len = match(cur);
1228 LYXERR(Debug::FIND, "match_len: " << match_len);
1230 // Sometimes in finalize we understand it wasn't a match
1231 // and we need to continue the outest loop
1232 int len = findAdvFinalize(cur, match);
1240 if (cur.pit() < cur.lastpit()) {
1241 LYXERR(Debug::FIND, "Advancing par: cur=" << cur);
1244 // This should exit nested insets, if any, or otherwise undefine the currsor.
1245 cur.pos() = cur.lastpos();
1246 LYXERR(Debug::FIND, "Advancing pos: cur=" << cur);
1254 /// Find the most backward consecutive match within same paragraph while searching backwards.
1255 int findMostBackwards(DocIterator & cur, MatchStringAdv const & match)
1257 DocIterator cur_begin = doc_iterator_begin(cur.buffer());
1258 DocIterator tmp_cur = cur;
1259 int len = findAdvFinalize(tmp_cur, match);
1260 Inset & inset = cur.inset();
1261 for (; cur != cur_begin; cur.backwardPos()) {
1262 LYXERR(Debug::FIND, "findMostBackwards(): cur=" << cur);
1263 DocIterator new_cur = cur;
1264 new_cur.backwardPos();
1265 if (new_cur == cur || &new_cur.inset() != &inset || !match(new_cur))
1267 int new_len = findAdvFinalize(new_cur, match);
1272 LYXERR(Debug::FIND, "findMostBackwards(): exiting with cur=" << cur);
1278 int findBackwardsAdv(DocIterator & cur, MatchStringAdv & match)
1282 // Backup of original position
1283 DocIterator cur_begin = doc_iterator_begin(cur.buffer());
1284 if (cur == cur_begin)
1287 DocIterator cur_orig(cur);
1288 bool pit_changed = false;
1291 bool found_match = match(cur, -1, false);
1295 cur.pos() = cur.lastpos();
1297 cur.pos() = cur_orig.pos();
1298 LYXERR(Debug::FIND, "findBackAdv2: cur: " << cur);
1299 DocIterator cur_prev_iter;
1301 found_match = match(cur);
1302 LYXERR(Debug::FIND, "findBackAdv3: found_match="
1303 << found_match << ", cur: " << cur);
1305 return findMostBackwards(cur, match);
1307 // Stop if begin of document reached
1308 if (cur == cur_begin)
1310 cur_prev_iter = cur;
1314 if (cur == cur_begin)
1321 } while (!theApp()->longOperationCancelled());
1326 } // anonym namespace
1329 docstring stringifyFromForSearch(FindAndReplaceOptions const & opt,
1330 DocIterator const & cur, int len)
1332 LASSERT(cur.pos() >= 0 && cur.pos() <= cur.lastpos(),
1333 return docstring());
1334 if (!opt.ignoreformat)
1335 return latexifyFromCursor(cur, len);
1337 return stringifyFromCursor(cur, len);
1341 FindAndReplaceOptions::FindAndReplaceOptions(
1342 docstring const & find_buf_name, bool casesensitive,
1343 bool matchword, bool forward, bool expandmacros, bool ignoreformat,
1344 docstring const & repl_buf_name, bool keep_case,
1345 SearchScope scope, SearchRestriction restr)
1346 : find_buf_name(find_buf_name), casesensitive(casesensitive), matchword(matchword),
1347 forward(forward), expandmacros(expandmacros), ignoreformat(ignoreformat),
1348 repl_buf_name(repl_buf_name), keep_case(keep_case), scope(scope), restr(restr)
1356 /** Check if 'len' letters following cursor are all non-lowercase */
1357 static bool allNonLowercase(Cursor const & cur, int len)
1359 pos_type beg_pos = cur.selectionBegin().pos();
1360 pos_type end_pos = cur.selectionBegin().pos() + len;
1361 if (len > cur.lastpos() + 1 - beg_pos) {
1362 LYXERR(Debug::FIND, "This should not happen, more debug needed");
1363 len = cur.lastpos() + 1 - beg_pos;
1364 end_pos = beg_pos + len;
1366 for (pos_type pos = beg_pos; pos != end_pos; ++pos)
1367 if (isLowerCase(cur.paragraph().getChar(pos)))
1373 /** Check if first letter is upper case and second one is lower case */
1374 static bool firstUppercase(Cursor const & cur)
1377 pos_type pos = cur.selectionBegin().pos();
1378 if (pos >= cur.lastpos() - 1) {
1379 LYXERR(Debug::FIND, "No upper-case at cur: " << cur);
1382 ch1 = cur.paragraph().getChar(pos);
1383 ch2 = cur.paragraph().getChar(pos + 1);
1384 bool result = isUpperCase(ch1) && isLowerCase(ch2);
1385 LYXERR(Debug::FIND, "firstUppercase(): "
1386 << "ch1=" << ch1 << "(" << char(ch1) << "), ch2="
1387 << ch2 << "(" << char(ch2) << ")"
1388 << ", result=" << result << ", cur=" << cur);
1393 /** Make first letter of supplied buffer upper-case, and the rest lower-case.
1395 ** \fixme What to do with possible further paragraphs in replace buffer ?
1397 static void changeFirstCase(Buffer & buffer, TextCase first_case, TextCase others_case)
1399 ParagraphList::iterator pit = buffer.paragraphs().begin();
1400 LASSERT(pit->size() >= 1, /**/);
1401 pos_type right = pos_type(1);
1402 pit->changeCase(buffer.params(), pos_type(0), right, first_case);
1403 right = pit->size();
1404 pit->changeCase(buffer.params(), pos_type(1), right, others_case);
1410 static void findAdvReplace(BufferView * bv, FindAndReplaceOptions const & opt, MatchStringAdv & matchAdv)
1412 Cursor & cur = bv->cursor();
1413 if (opt.repl_buf_name == docstring())
1416 DocIterator sel_beg = cur.selectionBegin();
1417 DocIterator sel_end = cur.selectionEnd();
1418 if (&sel_beg.inset() != &sel_end.inset()
1419 || sel_beg.pit() != sel_end.pit()
1420 || sel_beg.idx() != sel_end.idx())
1422 int sel_len = sel_end.pos() - sel_beg.pos();
1423 LYXERR(Debug::FIND, "sel_beg: " << sel_beg << ", sel_end: " << sel_end
1424 << ", sel_len: " << sel_len << endl);
1427 LASSERT(sel_len > 0, return);
1429 if (!matchAdv(sel_beg, sel_len))
1432 // Build a copy of the replace buffer, adapted to the KeepCase option
1433 Buffer & repl_buffer_orig = *theBufferList().getBuffer(FileName(to_utf8(opt.repl_buf_name)), true);
1435 repl_buffer_orig.write(oss);
1436 string lyx = oss.str();
1437 Buffer repl_buffer("", false);
1438 repl_buffer.setUnnamed(true);
1439 LASSERT(repl_buffer.readString(lyx), return);
1440 if (opt.keep_case && sel_len >= 2) {
1441 LYXERR(Debug::FIND, "keep_case true: cur.pos()=" << cur.pos() << ", sel_len=" << sel_len);
1442 if (cur.inTexted()) {
1443 if (firstUppercase(cur))
1444 changeFirstCase(repl_buffer, text_uppercase, text_lowercase);
1445 else if (allNonLowercase(cur, sel_len))
1446 changeFirstCase(repl_buffer, text_uppercase, text_uppercase);
1449 cap::cutSelection(cur, false, false);
1450 if (cur.inTexted()) {
1451 repl_buffer.changeLanguage(
1452 repl_buffer.language(),
1453 cur.getFont().language());
1454 LYXERR(Debug::FIND, "Replacing by pasteParagraphList()ing repl_buffer");
1455 LYXERR(Debug::FIND, "Before pasteParagraphList() cur=" << cur << endl);
1456 cap::pasteParagraphList(cur, repl_buffer.paragraphs(),
1457 repl_buffer.params().documentClassPtr(),
1458 bv->buffer().errorList("Paste"));
1459 LYXERR(Debug::FIND, "After pasteParagraphList() cur=" << cur << endl);
1460 sel_len = repl_buffer.paragraphs().begin()->size();
1461 } else if (cur.inMathed()) {
1462 TexRow texrow(false);
1463 odocstringstream ods;
1464 otexstream os(ods, texrow);
1465 OutputParams runparams(&repl_buffer.params().encoding());
1466 runparams.nice = false;
1467 runparams.flavor = OutputParams::LATEX;
1468 runparams.linelen = 8000; //lyxrc.plaintext_linelen;
1469 runparams.dryrun = true;
1470 TeXOnePar(repl_buffer, repl_buffer.text(), 0, os, runparams);
1471 //repl_buffer.getSourceCode(ods, 0, repl_buffer.paragraphs().size(), false);
1472 docstring repl_latex = ods.str();
1473 LYXERR(Debug::FIND, "Latexified replace_buffer: '" << repl_latex << "'");
1475 regex_replace(to_utf8(repl_latex), s, "\\$(.*)\\$", "$1");
1476 regex_replace(s, s, "\\\\\\[(.*)\\\\\\]", "$1");
1477 repl_latex = from_utf8(s);
1478 LYXERR(Debug::FIND, "Replacing by insert()ing latex: '" << repl_latex << "' cur=" << cur << " with depth=" << cur.depth());
1479 MathData ar(cur.buffer());
1480 asArray(repl_latex, ar, Parse::NORMAL);
1482 sel_len = ar.size();
1483 LYXERR(Debug::FIND, "After insert() cur=" << cur << " with depth: " << cur.depth() << " and len: " << sel_len);
1485 if (cur.pos() >= sel_len)
1486 cur.pos() -= sel_len;
1489 LYXERR(Debug::FIND, "After pos adj cur=" << cur << " with depth: " << cur.depth() << " and len: " << sel_len);
1490 bv->putSelectionAt(DocIterator(cur), sel_len, !opt.forward);
1491 bv->processUpdateFlags(Update::Force);
1495 /// Perform a FindAdv operation.
1496 bool findAdv(BufferView * bv, FindAndReplaceOptions const & opt)
1502 MatchStringAdv matchAdv(bv->buffer(), opt);
1503 int length = bv->cursor().selectionEnd().pos() - bv->cursor().selectionBegin().pos();
1505 bv->putSelectionAt(bv->cursor().selectionBegin(), length, !opt.forward);
1506 findAdvReplace(bv, opt, matchAdv);
1509 match_len = findForwardAdv(cur, matchAdv);
1511 match_len = findBackwardsAdv(cur, matchAdv);
1513 // This may only be raised by lyx::regex()
1514 bv->message(_("Invalid regular expression!"));
1518 if (match_len == 0) {
1519 bv->message(_("Match not found!"));
1523 bv->message(_("Match found!"));
1525 LYXERR(Debug::FIND, "Putting selection at cur=" << cur << " with len: " << match_len);
1526 bv->putSelectionAt(cur, match_len, !opt.forward);
1532 ostringstream & operator<<(ostringstream & os, FindAndReplaceOptions const & opt)
1534 os << to_utf8(opt.find_buf_name) << "\nEOSS\n"
1535 << opt.casesensitive << ' '
1536 << opt.matchword << ' '
1537 << opt.forward << ' '
1538 << opt.expandmacros << ' '
1539 << opt.ignoreformat << ' '
1540 << to_utf8(opt.repl_buf_name) << "\nEOSS\n"
1541 << opt.keep_case << ' '
1542 << int(opt.scope) << ' '
1545 LYXERR(Debug::FIND, "built: " << os.str());
1551 istringstream & operator>>(istringstream & is, FindAndReplaceOptions & opt)
1553 LYXERR(Debug::FIND, "parsing");
1557 while (line != "EOSS") {
1561 if (is.eof()) // Tolerate malformed request
1565 LYXERR(Debug::FIND, "file_buf_name: '" << s << "'");
1566 opt.find_buf_name = from_utf8(s);
1567 is >> opt.casesensitive >> opt.matchword >> opt.forward >> opt.expandmacros >> opt.ignoreformat;
1568 is.get(); // Waste space before replace string
1571 while (line != "EOSS") {
1575 if (is.eof()) // Tolerate malformed request
1579 LYXERR(Debug::FIND, "repl_buf_name: '" << s << "'");
1580 opt.repl_buf_name = from_utf8(s);
1581 is >> opt.keep_case;
1584 opt.scope = FindAndReplaceOptions::SearchScope(i);
1586 opt.restr = FindAndReplaceOptions::SearchRestriction(i);
1588 LYXERR(Debug::FIND, "parsed: " << opt.casesensitive << ' ' << opt.matchword << ' ' << opt.forward << ' '
1589 << opt.expandmacros << ' ' << opt.ignoreformat << ' ' << opt.keep_case << ' '
1590 << opt.scope << ' ' << opt.restr);