/**
* \file lyxfind.cpp
* This file is part of LyX, the document processor.
- * Licence details can be found in the file COPYING.
+ * License details can be found in the file COPYING.
*
- * \author Lars Gullik Bjønnes
+ * \author Lars Gullik Bjønnes
* \author John Levon
- * \author Jürgen Vigna
+ * \author Jürgen Vigna
* \author Alfredo Braunstein
+ * \author Tommaso Cucinotta
*
* Full author contact details are available in file CREDITS.
*/
#include "lyxfind.h"
#include "Buffer.h"
-#include "Cursor.h"
-#include "CutAndPaste.h"
#include "buffer_funcs.h"
+#include "BufferList.h"
+#include "BufferParams.h"
#include "BufferView.h"
-#include "debug.h"
+#include "Changes.h"
+#include "Cursor.h"
+#include "CutAndPaste.h"
#include "FuncRequest.h"
-#include "gettext.h"
-#include "Text.h"
+#include "LyX.h"
+#include "output_latex.h"
+#include "OutputParams.h"
#include "Paragraph.h"
#include "ParIterator.h"
-#include "Undo.h"
+#include "TexRow.h"
+#include "Text.h"
#include "frontends/alert.h"
+#include "mathed/InsetMath.h"
+#include "mathed/InsetMathGrid.h"
+#include "mathed/InsetMathHull.h"
+#include "mathed/MathStream.h"
+
#include "support/convert.h"
+#include "support/debug.h"
#include "support/docstream.h"
+#include "support/gettext.h"
+#include "support/lassert.h"
+#include "support/lstrings.h"
-namespace lyx {
-
-using support::compare_no_case;
-using support::uppercase;
-using support::split;
+#include "support/regex.h"
+#include <boost/next_prior.hpp>
-using std::advance;
+using namespace std;
+using namespace lyx::support;
+namespace lyx {
namespace {
return false;
docstring var;
howto = split(howto, var, ' ');
- return (var == "1");
+ return var == "1";
}
-class MatchString : public std::binary_function<Paragraph, pos_type, bool>
+class MatchString : public binary_function<Paragraph, pos_type, int>
{
public:
MatchString(docstring const & str, bool cs, bool mw)
- : str(str), cs(cs), mw(mw)
+ : str(str), case_sens(cs), whole_words(mw)
{}
// returns true if the specified string is at the specified position
// del specifies whether deleted strings in ct mode will be considered
- bool operator()(Paragraph const & par, pos_type pos, bool del = true) const
+ int operator()(Paragraph const & par, pos_type pos, bool del = true) const
{
- docstring::size_type const size = str.length();
- pos_type i = 0;
- pos_type const parsize = par.size();
- for (i = 0; pos + i < parsize; ++i) {
- if (docstring::size_type(i) >= size)
- break;
- if (cs && str[i] != par.getChar(pos + i))
- break;
- if (!cs && uppercase(str[i]) != uppercase(par.getChar(pos + i)))
- break;
- if (!del && par.isDeleted(pos + i))
- break;
- }
-
- if (size != docstring::size_type(i))
- return false;
-
- // if necessary, check whether string matches word
- if (mw) {
- if (pos > 0 && par.isLetter(pos - 1))
- return false;
- if (pos + pos_type(size) < parsize
- && par.isLetter(pos + size))
- return false;
- }
-
- return true;
+ return par.find(str, case_sens, whole_words, pos, del);
}
private:
// search string
docstring str;
// case sensitive
- bool cs;
+ bool case_sens;
// match whole words only
- bool mw;
+ bool whole_words;
};
-bool findForward(DocIterator & cur, MatchString const & match,
+int findForward(DocIterator & cur, MatchString const & match,
bool find_del = true)
{
for (; cur; cur.forwardChar())
- if (cur.inTexted() &&
- match(cur.paragraph(), cur.pos(), find_del))
- return true;
- return false;
+ if (cur.inTexted()) {
+ int len = match(cur.paragraph(), cur.pos(), find_del);
+ if (len > 0)
+ return len;
+ }
+ return 0;
}
-bool findBackwards(DocIterator & cur, MatchString const & match,
+int findBackwards(DocIterator & cur, MatchString const & match,
bool find_del = true)
{
while (cur) {
cur.backwardChar();
- if (cur.inTexted() &&
- match(cur.paragraph(), cur.pos(), find_del))
- return true;
+ if (cur.inTexted()) {
+ int len = match(cur.paragraph(), cur.pos(), find_del);
+ if (len > 0)
+ return len;
+ }
}
- return false;
+ return 0;
}
-bool findChange(DocIterator & cur)
+bool findChange(DocIterator & cur, bool next)
{
- for (; cur; cur.forwardPos())
- if (cur.inTexted() && !cur.paragraph().isUnchanged(cur.pos()))
+ if (!next)
+ cur.backwardPos();
+ for (; cur; next ? cur.forwardPos() : cur.backwardPos())
+ if (cur.inTexted() && cur.paragraph().isChanged(cur.pos())) {
+ if (!next)
+ // if we search backwards, take a step forward
+ // to correctly set the anchor
+ cur.forwardPos();
return true;
+ }
+
return false;
}
-bool searchAllowed(BufferView * bv, docstring const & str)
+bool searchAllowed(docstring const & str)
{
if (str.empty()) {
- frontend::Alert::error(_("Search error"),
- _("Search string is empty"));
+ frontend::Alert::error(_("Search error"), _("Search string is empty"));
return false;
}
- return bv->buffer();
+ return true;
}
-bool find(BufferView * bv, docstring const & searchstr, bool cs, bool mw, bool fw,
- bool find_del = true)
+bool findOne(BufferView * bv, docstring const & searchstr,
+ bool case_sens, bool whole, bool forward, bool find_del = true)
{
- if (!searchAllowed(bv, searchstr))
+ if (!searchAllowed(searchstr))
return false;
DocIterator cur = bv->cursor();
- MatchString const match(searchstr, cs, mw);
+ MatchString const match(searchstr, case_sens, whole);
- bool found = fw ? findForward(cur, match, find_del) :
+ int match_len = forward ? findForward(cur, match, find_del) :
findBackwards(cur, match, find_del);
- if (found)
- bv->putSelectionAt(cur, searchstr.length(), !fw);
+ if (match_len > 0)
+ bv->putSelectionAt(cur, match_len, !forward);
- return found;
+ return match_len > 0;
}
int replaceAll(BufferView * bv,
docstring const & searchstr, docstring const & replacestr,
- bool cs, bool mw)
+ bool case_sens, bool whole)
{
- Buffer & buf = *bv->buffer();
+ Buffer & buf = bv->buffer();
- if (!searchAllowed(bv, searchstr) || buf.isReadonly())
+ if (!searchAllowed(searchstr) || buf.isReadonly())
return 0;
- recordUndoFullDocument(bv);
+ DocIterator cur_orig(bv->cursor());
- MatchString const match(searchstr, cs, mw);
+ MatchString const match(searchstr, case_sens, whole);
int num = 0;
int const rsize = replacestr.size();
int const ssize = searchstr.size();
- DocIterator cur = doc_iterator_begin(buf.inset());
- while (findForward(cur, match, false)) {
- pos_type pos = cur.pos();
- Font const font
- = cur.paragraph().getFontSettings(buf.params(), pos);
- int striked = ssize - cur.paragraph().eraseChars(pos, pos + ssize,
+ Cursor cur(*bv);
+ cur.setCursor(doc_iterator_begin(&buf));
+ int match_len = findForward(cur, match, false);
+ while (match_len > 0) {
+ // Backup current cursor position and font.
+ pos_type const pos = cur.pos();
+ Font const font = cur.paragraph().getFontSettings(buf.params(), pos);
+ cur.recordUndo();
+ int striked = ssize - cur.paragraph().eraseChars(pos, pos + match_len,
buf.params().trackChanges);
cur.paragraph().insert(pos, replacestr, font,
Change(buf.params().trackChanges ?
for (int i = 0; i < rsize + striked; ++i)
cur.forwardChar();
++num;
+ match_len = findForward(cur, match, false);
}
- updateLabels(buf);
- bv->putSelectionAt(doc_iterator_begin(buf.inset()), 0, false);
- if (num)
- buf.markDirty();
- return num;
-}
-
+ bv->putSelectionAt(doc_iterator_begin(&buf), 0, false);
-bool stringSelected(BufferView * bv, docstring const & searchstr,
- bool cs, bool mw, bool fw)
-{
- // if nothing selected or selection does not equal search
- // string search and select next occurance and return
- docstring const & str1 = searchstr;
- docstring const str2 = bv->cursor().selectionAsString(false);
- if ((cs && str1 != str2) || compare_no_case(str1, str2) != 0) {
- find(bv, searchstr, cs, mw, fw);
- return false;
- }
+ cur_orig.fixIfBroken();
+ bv->setCursor(cur_orig);
- return true;
+ return num;
}
-int replace(BufferView * bv, docstring const & searchstr,
- docstring const & replacestr, bool cs, bool mw, bool fw)
+// the idea here is that we are going to replace the string that
+// is selected IF it is the search string.
+// if there is a selection, but it is not the search string, then
+// we basically ignore it. (FIXME We ought to replace only within
+// the selection.)
+// if there is no selection, then:
+// (i) if some search string has been provided, then we find it.
+// (think of how the dialog works when you hit "replace" the
+// first time.)
+// (ii) if no search string has been provided, then we treat the
+// word the cursor is in as the search string. (why? i have no
+// idea.) but this only works in text?
+//
+// returns the number of replacements made (one, if any) and
+// whether anything at all was done.
+pair<bool, int> replaceOne(BufferView * bv, docstring searchstr,
+ docstring const & replacestr, bool case_sens,
+ bool whole, bool forward)
{
- if (!searchAllowed(bv, searchstr) || bv->buffer()->isReadonly())
- return 0;
+ Cursor & cur = bv->cursor();
+ if (!cur.selection()) {
+ // no selection, non-empty search string: find it
+ if (!searchstr.empty()) {
+ findOne(bv, searchstr, case_sens, whole, forward);
+ return pair<bool, int>(true, 0);
+ }
+ // empty search string
+ if (!cur.inTexted())
+ // bail in math
+ return pair<bool, int>(false, 0);
+ // select current word and treat it as the search string
+ cur.innerText()->selectWord(cur, WHOLE_WORD);
+ searchstr = cur.selectionAsString(false);
+ }
+
+ // if we still don't have a search string, report the error
+ // and abort.
+ if (!searchAllowed(searchstr))
+ return pair<bool, int>(false, 0);
+
+ bool have_selection = cur.selection();
+ docstring const selected = cur.selectionAsString(false);
+ bool match =
+ case_sens ? searchstr == selected
+ : compare_no_case(searchstr, selected) == 0;
+
+ // no selection or current selection is not search word:
+ // just find the search word
+ if (!have_selection || !match) {
+ findOne(bv, searchstr, case_sens, whole, forward);
+ return pair<bool, int>(true, 0);
+ }
- if (!stringSelected(bv, searchstr, cs, mw, fw))
- return 0;
+ // we're now actually ready to replace. if the buffer is
+ // read-only, we can't, though.
+ if (bv->buffer().isReadonly())
+ return pair<bool, int>(false, 0);
- Cursor & cur = bv->cursor();
- cap::replaceSelectionWithString(cur, replacestr, fw);
- bv->buffer()->markDirty();
- find(bv, searchstr, cs, mw, fw, false);
- bv->update();
+ cap::replaceSelectionWithString(cur, replacestr, forward);
+ findOne(bv, searchstr, case_sens, whole, forward, false);
- return 1;
+ return pair<bool, int>(true, 1);
}
} // namespace anon
}
-docstring const replace2string(docstring const & search, docstring const & replace,
- bool casesensitive, bool matchword,
- bool all, bool forward)
+docstring const replace2string(docstring const & replace,
+ docstring const & search, bool casesensitive, bool matchword,
+ bool all, bool forward)
{
odocstringstream ss;
- ss << search << '\n'
- << replace << '\n'
+ ss << replace << '\n'
+ << search << '\n'
<< int(casesensitive) << ' '
<< int(matchword) << ' '
<< int(all) << ' '
}
-void find(BufferView * bv, FuncRequest const & ev)
+bool lyxfind(BufferView * bv, FuncRequest const & ev)
{
- if (!bv || ev.action != LFUN_WORD_FIND)
- return;
+ if (!bv || ev.action() != LFUN_WORD_FIND)
+ return false;
- //lyxerr << "find called, cmd: " << ev << std::endl;
+ //lyxerr << "find called, cmd: " << ev << endl;
// data is of the form
// "<search>
bool matchword = parse_bool(howto);
bool forward = parse_bool(howto);
- bool const found = find(bv, search,
- casesensitive, matchword, forward);
-
- if (!found)
- // emit message signal.
- bv->message(_("String not found!"));
+ return findOne(bv, search, casesensitive, matchword, forward);
}
-void replace(BufferView * bv, FuncRequest const & ev, bool has_deleted)
+bool lyxreplace(BufferView * bv,
+ FuncRequest const & ev, bool has_deleted)
{
- if (!bv || ev.action != LFUN_WORD_REPLACE)
- return;
+ if (!bv || ev.action() != LFUN_WORD_REPLACE)
+ return false;
// data is of the form
// "<search>
// <casesensitive> <matchword> <all> <forward>"
docstring search;
docstring rplc;
- docstring howto = split(ev.argument(), search, '\n');
- howto = split(howto, rplc, '\n');
+ docstring howto = split(ev.argument(), rplc, '\n');
+ howto = split(howto, search, '\n');
bool casesensitive = parse_bool(howto);
bool matchword = parse_bool(howto);
bool all = parse_bool(howto);
bool forward = parse_bool(howto);
- Buffer * buf = bv->buffer();
+ int replace_count = 0;
+ bool update = false;
if (!has_deleted) {
- int const replace_count = all
- ? replaceAll(bv, search, rplc, casesensitive, matchword)
- : replace(bv, search, rplc, casesensitive, matchword, forward);
-
- if (replace_count == 0) {
+ if (all) {
+ replace_count = replaceAll(bv, search, rplc, casesensitive, matchword);
+ update = replace_count > 0;
+ } else {
+ pair<bool, int> rv =
+ replaceOne(bv, search, rplc, casesensitive, matchword, forward);
+ update = rv.first;
+ replace_count = rv.second;
+ }
+
+ Buffer const & buf = bv->buffer();
+ if (!update) {
// emit message signal.
- buf->message(_("String not found!"));
+ buf.message(_("String not found!"));
} else {
- if (replace_count == 1) {
- // emit message signal.
- buf->message(_("String has been replaced."));
+ if (replace_count == 0) {
+ buf.message(_("String found."));
+ } else if (replace_count == 1) {
+ buf.message(_("String has been replaced."));
} else {
- docstring str = convert<docstring>(replace_count);
- str += _(" strings have been replaced.");
- // emit message signal.
- buf->message(str);
+ docstring const str =
+ bformat(_("%1$d strings have been replaced."), replace_count);
+ buf.message(str);
}
}
} else {
// if we have deleted characters, we do not replace at all, but
// rather search for the next occurence
- bool const found = find(bv, search,
- casesensitive, matchword, forward);
-
- if (!found)
- // emit message signal.
+ if (findOne(bv, search, casesensitive, matchword, forward))
+ update = true;
+ else
bv->message(_("String not found!"));
}
+ return update;
}
bool findNextChange(BufferView * bv)
{
- if (!bv->buffer())
- return false;
+ return findChange(bv, true);
+}
+
+
+bool findPreviousChange(BufferView * bv)
+{
+ return findChange(bv, false);
+}
+
+
+bool findChange(BufferView * bv, bool next)
+{
+ if (bv->cursor().selection()) {
+ // set the cursor at the beginning or at the end of the selection
+ // before searching. Otherwise, the current change will be found.
+ if (next != (bv->cursor().top() > bv->cursor().normalAnchor()))
+ bv->cursor().setCursorToAnchor();
+ }
DocIterator cur = bv->cursor();
- if (!findChange(cur))
+ // Are we within a change ? Then first search forward (backward),
+ // clear the selection and search the other way around (see the end
+ // of this function). This will avoid changes to be selected half.
+ bool search_both_sides = false;
+ DocIterator tmpcur = cur;
+ // Leave math first
+ while (tmpcur.inMathed())
+ tmpcur.pop_back();
+ Change change_next_pos
+ = tmpcur.paragraph().lookupChange(tmpcur.pos());
+ if (change_next_pos.changed() && cur.inMathed()) {
+ cur = tmpcur;
+ search_both_sides = true;
+ } else if (tmpcur.pos() > 0 && tmpcur.inTexted()) {
+ Change change_prev_pos
+ = tmpcur.paragraph().lookupChange(tmpcur.pos() - 1);
+ if (change_next_pos.isSimilarTo(change_prev_pos))
+ search_both_sides = true;
+ }
+
+ if (!findChange(cur, next))
return false;
bv->cursor().setCursor(cur);
bv->cursor().resetAnchor();
+ if (!next)
+ // take a step into the change
+ cur.backwardPos();
+
Change orig_change = cur.paragraph().lookupChange(cur.pos());
- DocIterator et = doc_iterator_end(cur.inset());
- DocIterator ok = cur; // see below
- for (; cur != et; cur.forwardPosNoDescend()) {
- ok = cur;
- Change change = cur.paragraph().lookupChange(cur.pos());
- if (change != orig_change) {
- break;
+ CursorSlice & tip = cur.top();
+ if (next) {
+ for (; !tip.at_end(); tip.forwardPos()) {
+ Change change = tip.paragraph().lookupChange(tip.pos());
+ if (!change.isSimilarTo(orig_change))
+ break;
+ }
+ } else {
+ for (; !tip.at_begin();) {
+ tip.backwardPos();
+ Change change = tip.paragraph().lookupChange(tip.pos());
+ if (!change.isSimilarTo(orig_change)) {
+ // take a step forward to correctly set the selection
+ tip.forwardPos();
+ break;
+ }
}
- }
-
- // avoid crash (assertion violation) if the imaginary end-of-par
- // character of the last paragraph of the document is marked as changed
- if (cur == et) {
- cur = ok;
}
// Now put cursor to end of selection:
bv->cursor().setCursor(cur);
bv->cursor().setSelection();
+ if (search_both_sides) {
+ bv->cursor().setSelection(false);
+ findChange(bv, !next);
+ }
+
+ return true;
+}
+
+namespace {
+
+typedef vector<pair<string, string> > Escapes;
+
+/// A map of symbols and their escaped equivalent needed within a regex.
+Escapes const & get_regexp_escapes()
+{
+ static Escapes escape_map;
+ if (escape_map.empty()) {
+ escape_map.push_back(pair<string, string>("\\", "\\\\"));
+ escape_map.push_back(pair<string, string>("^", "\\^"));
+ escape_map.push_back(pair<string, string>("$", "\\$"));
+ escape_map.push_back(pair<string, string>("{", "\\{"));
+ escape_map.push_back(pair<string, string>("}", "\\}"));
+ escape_map.push_back(pair<string, string>("[", "\\["));
+ escape_map.push_back(pair<string, string>("]", "\\]"));
+ escape_map.push_back(pair<string, string>("(", "\\("));
+ escape_map.push_back(pair<string, string>(")", "\\)"));
+ escape_map.push_back(pair<string, string>("+", "\\+"));
+ escape_map.push_back(pair<string, string>("*", "\\*"));
+ escape_map.push_back(pair<string, string>(".", "\\."));
+ }
+ return escape_map;
+}
+
+/// A map of lyx escaped strings and their unescaped equivalent.
+Escapes const & get_lyx_unescapes() {
+ static Escapes escape_map;
+ if (escape_map.empty()) {
+ escape_map.push_back(pair<string, string>("{*}", "*"));
+ escape_map.push_back(pair<string, string>("{[}", "["));
+ escape_map.push_back(pair<string, string>("\\$", "$"));
+ escape_map.push_back(pair<string, string>("\\backslash{}", "\\"));
+ escape_map.push_back(pair<string, string>("\\backslash", "\\"));
+ escape_map.push_back(pair<string, string>("\\sim ", "~"));
+ escape_map.push_back(pair<string, string>("\\^", "^"));
+ }
+ return escape_map;
+}
+
+/** @todo Probably the maps need to be migrated to regexps, in order to distinguish if
+ ** the found occurrence were escaped.
+ **/
+string apply_escapes(string s, Escapes const & escape_map)
+{
+ LYXERR(Debug::FIND, "Escaping: '" << s << "'");
+ Escapes::const_iterator it;
+ for (it = escape_map.begin(); it != escape_map.end(); ++it) {
+// LYXERR(Debug::FIND, "Escaping " << it->first << " as " << it->second);
+ unsigned int pos = 0;
+ while (pos < s.length() && (pos = s.find(it->first, pos)) < s.length()) {
+ s.replace(pos, it->first.length(), it->second);
+// LYXERR(Debug::FIND, "After escape: " << s);
+ pos += it->second.length();
+// LYXERR(Debug::FIND, "pos: " << pos);
+ }
+ }
+ LYXERR(Debug::FIND, "Escaped : '" << s << "'");
+ return s;
+}
+
+/** Return the position of the closing brace matching the open one at s[pos],
+ ** or s.size() if not found.
+ **/
+size_t find_matching_brace(string const & s, size_t pos)
+{
+ LASSERT(s[pos] == '{', /* */);
+ int open_braces = 1;
+ for (++pos; pos < s.size(); ++pos) {
+ if (s[pos] == '\\')
+ ++pos;
+ else if (s[pos] == '{')
+ ++open_braces;
+ else if (s[pos] == '}') {
+ --open_braces;
+ if (open_braces == 0)
+ return pos;
+ }
+ }
+ return s.size();
+}
+
+/// Within \regexp{} apply get_regex_escapes(), while outside apply get_lyx_unescapes().
+string escape_for_regex(string s)
+{
+ size_t pos = 0;
+ while (pos < s.size()) {
+ size_t new_pos = s.find("\\regexp{{{", pos);
+ if (new_pos == string::npos)
+ new_pos = s.size();
+ LYXERR(Debug::FIND, "new_pos: " << new_pos);
+ string t = apply_escapes(s.substr(pos, new_pos - pos), get_lyx_unescapes());
+ LYXERR(Debug::FIND, "t : " << t);
+ t = apply_escapes(t, get_regexp_escapes());
+ LYXERR(Debug::FIND, "t : " << t);
+ s.replace(pos, new_pos - pos, t);
+ new_pos = pos + t.size();
+ LYXERR(Debug::FIND, "Regexp after escaping: " << s);
+ LYXERR(Debug::FIND, "new_pos: " << new_pos);
+ if (new_pos == s.size())
+ break;
+ size_t end_pos = s.find("}}}", new_pos + 10); // find_matching_brace(s, new_pos + 7);
+ LYXERR(Debug::FIND, "end_pos: " << end_pos);
+ t = apply_escapes(s.substr(new_pos + 10, end_pos - (new_pos + 10)), get_lyx_unescapes());
+ LYXERR(Debug::FIND, "t : " << t);
+ if (end_pos == s.size()) {
+ s.replace(new_pos, end_pos - new_pos, t);
+ pos = s.size();
+ LYXERR(Debug::FIND, "Regexp after \\regexp{} removal: " << s);
+ break;
+ }
+ s.replace(new_pos, end_pos + 3 - new_pos, t);
+ LYXERR(Debug::FIND, "Regexp after \\regexp{} removal: " << s);
+ pos = new_pos + t.size();
+ LYXERR(Debug::FIND, "pos: " << pos);
+ }
+ return s;
+}
+
+/// Wrapper for lyx::regex_replace with simpler interface
+bool regex_replace(string const & s, string & t, string const & searchstr,
+ string const & replacestr)
+{
+ lyx::regex e(searchstr);
+ ostringstream oss;
+ ostream_iterator<char, char> it(oss);
+ lyx::regex_replace(it, s.begin(), s.end(), e, replacestr);
+ // tolerate t and s be references to the same variable
+ bool rv = (s != oss.str());
+ t = oss.str();
+ return rv;
+}
+
+/** Checks if supplied string segment is well-formed from the standpoint of matching open-closed braces.
+ **
+ ** Verify that closed braces exactly match open braces. This avoids that, for example,
+ ** \frac{.*}{x} matches \frac{x+\frac{y}{x}}{z} with .* being 'x+\frac{y'.
+ **
+ ** @param unmatched
+ ** Number of open braces that must remain open at the end for the verification to succeed.
+ **/
+bool braces_match(string::const_iterator const & beg,
+ string::const_iterator const & end,
+ int unmatched = 0)
+{
+ int open_pars = 0;
+ string::const_iterator it = beg;
+ LYXERR(Debug::FIND, "Checking " << unmatched << " unmatched braces in '" << string(beg, end) << "'");
+ for (; it != end; ++it) {
+ // Skip escaped braces in the count
+ if (*it == '\\') {
+ ++it;
+ if (it == end)
+ break;
+ } else if (*it == '{') {
+ ++open_pars;
+ } else if (*it == '}') {
+ if (open_pars == 0) {
+ LYXERR(Debug::FIND, "Found unmatched closed brace");
+ return false;
+ } else
+ --open_pars;
+ }
+ }
+ if (open_pars != unmatched) {
+ LYXERR(Debug::FIND, "Found " << open_pars
+ << " instead of " << unmatched
+ << " unmatched open braces at the end of count");
+ return false;
+ }
+ LYXERR(Debug::FIND, "Braces match as expected");
return true;
}
+/** The class performing a match between a position in the document and the FindAdvOptions.
+ **/
+class MatchStringAdv {
+public:
+ MatchStringAdv(lyx::Buffer & buf, FindAndReplaceOptions const & opt);
+
+ /** Tests if text starting at the supplied position matches with the one provided to the MatchStringAdv
+ ** constructor as opt.search, under the opt.* options settings.
+ **
+ ** @param at_begin
+ ** If set, then match is searched only against beginning of text starting at cur.
+ ** If unset, then match is searched anywhere in text starting at cur.
+ **
+ ** @return
+ ** The length of the matching text, or zero if no match was found.
+ **/
+ int operator()(DocIterator const & cur, int len = -1, bool at_begin = true) const;
+
+public:
+ /// buffer
+ lyx::Buffer * p_buf;
+ /// first buffer on which search was started
+ lyx::Buffer * const p_first_buf;
+ /// options
+ FindAndReplaceOptions const & opt;
+
+private:
+ /// Auxiliary find method (does not account for opt.matchword)
+ int findAux(DocIterator const & cur, int len = -1, bool at_begin = true) const;
+
+ /** Normalize a stringified or latexified LyX paragraph.
+ **
+ ** Normalize means:
+ ** <ul>
+ ** <li>if search is not casesensitive, then lowercase the string;
+ ** <li>remove any newline at begin or end of the string;
+ ** <li>replace any newline in the middle of the string with a simple space;
+ ** <li>remove stale empty styles and environments, like \emph{} and \textbf{}.
+ ** </ul>
+ **
+ ** @todo Normalization should also expand macros, if the corresponding
+ ** search option was checked.
+ **/
+ string normalize(docstring const & s) const;
+ // normalized string to search
+ string par_as_string;
+ // regular expression to use for searching
+ lyx::regex regexp;
+ // same as regexp, but prefixed with a ".*"
+ lyx::regex regexp2;
+ // unmatched open braces in the search string/regexp
+ int open_braces;
+ // number of (.*?) subexpressions added at end of search regexp for closing
+ // environments, math mode, styles, etc...
+ int close_wildcards;
+};
+
+
+MatchStringAdv::MatchStringAdv(lyx::Buffer & buf, FindAndReplaceOptions const & opt)
+ : p_buf(&buf), p_first_buf(&buf), opt(opt)
+{
+ par_as_string = normalize(opt.search);
+ open_braces = 0;
+ close_wildcards = 0;
+
+ if (! opt.regexp) {
+ // Remove trailing closure of math, macros and environments, so to catch parts of them.
+ do {
+ LYXERR(Debug::FIND, "par_as_string now is '" << par_as_string << "'");
+ if (regex_replace(par_as_string, par_as_string, "(.*)[[:blank:]]\\'", "$1"))
+ continue;
+ if (regex_replace(par_as_string, par_as_string, "(.*[^\\\\]) ?\\$\\'", "$1"))
+ continue;
+ // @todo need to account for open square braces as well ?
+ if (regex_replace(par_as_string, par_as_string, "(.*[^\\\\]) ?\\\\\\]\\'", "$1"))
+ continue;
+ if (regex_replace(par_as_string, par_as_string, "(.*[^\\\\]) ?\\\\end\\{[a-zA-Z_]*\\}\\'", "$1"))
+ continue;
+ if (regex_replace(par_as_string, par_as_string, "(.*[^\\\\]) ?\\}\\'", "$1")) {
+ ++open_braces;
+ continue;
+ }
+ break;
+ } while (true);
+ LYXERR(Debug::FIND, "Open braces: " << open_braces);
+ LYXERR(Debug::FIND, "Built MatchStringAdv object: par_as_string = '" << par_as_string << "'");
+ } else {
+ par_as_string = escape_for_regex(par_as_string);
+ // Insert (.*?) before trailing closure of math, macros and environments, so to catch parts of them.
+ LYXERR(Debug::FIND, "par_as_string now is '" << par_as_string << "'");
+ if (
+ // Insert .* before trailing '\$' ('$' has been escaped by escape_for_regex)
+ regex_replace(par_as_string, par_as_string, "(.*[^\\\\])(\\\\\\$)\\'", "$1(.*?)$2")
+ // Insert .* before trailing '\\\]' ('\]' has been escaped by escape_for_regex)
+ || regex_replace(par_as_string, par_as_string, "(.*[^\\\\])(\\\\\\\\\\\\\\])\\'", "$1(.*?)$2")
+ // Insert .* before trailing '\\end\{...}' ('\end{...}' has been escaped by escape_for_regex)
+ || regex_replace(par_as_string, par_as_string,
+ "(.*[^\\\\])(\\\\\\\\end\\\\\\{[a-zA-Z_]*\\\\\\})\\'", "$1(.*?)$2")
+ // Insert .* before trailing '\}' ('}' has been escaped by escape_for_regex)
+ || regex_replace(par_as_string, par_as_string, "(.*[^\\\\])(\\\\\\})\\'", "$1(.*?)$2")
+ ) {
+ ++close_wildcards;
+ }
+ LYXERR(Debug::FIND, "par_as_string now is '" << par_as_string << "'");
+ LYXERR(Debug::FIND, "Open braces: " << open_braces);
+ LYXERR(Debug::FIND, "Close .*? : " << close_wildcards);
+ LYXERR(Debug::FIND, "Replaced text (to be used as regex): " << par_as_string);
+ // If entered regexp must match at begin of searched string buffer
+ regexp = lyx::regex(string("\\`") + par_as_string);
+ // If entered regexp may match wherever in searched string buffer
+ regexp2 = lyx::regex(string("\\`.*") + par_as_string);
+ }
+}
+
+
+int MatchStringAdv::findAux(DocIterator const & cur, int len, bool at_begin) const
+{
+ docstring docstr = stringifyFromForSearch(opt, cur, len);
+ LYXERR(Debug::FIND, "Matching against '" << lyx::to_utf8(docstr) << "'");
+ string str = normalize(docstr);
+ LYXERR(Debug::FIND, "After normalization: '" << str << "'");
+ if (! opt.regexp) {
+ LYXERR(Debug::FIND, "Searching in normal mode: par_as_string='" << par_as_string << "', str='" << str << "'");
+ if (at_begin) {
+ LYXERR(Debug::FIND, "size=" << par_as_string.size() << ", substr='" << str.substr(0, par_as_string.size()) << "'");
+ if (str.substr(0, par_as_string.size()) == par_as_string)
+ return par_as_string.size();
+ } else {
+ string t = par_as_string;
+ while (regex_replace(t, t, "\\\\(emph|textbf|subsubsection|subsection|section|subparagraph|paragraph|part)\\{", "")
+ || regex_replace(t, t, "^\\$", "")
+ || regex_replace(t, t, "^\\\\\\[ ", ""))
+ LYXERR(Debug::FIND, " after removing leading $, \\[ , \\emph{, \\textbf{, etc.: " << t);
+ size_t pos = str.find(t);
+ if (pos != string::npos)
+ return par_as_string.size();
+ }
+ } else {
+ LYXERR(Debug::FIND, "Searching in regexp mode");
+ // Try all possible regexp matches,
+ //until one that verifies the braces match test is found
+ regex const *p_regexp = at_begin ? ®exp : ®exp2;
+ sregex_iterator re_it(str.begin(), str.end(), *p_regexp);
+ sregex_iterator re_it_end;
+ for (; re_it != re_it_end; ++re_it) {
+ match_results<string::const_iterator> const & m = *re_it;
+ // Check braces on the segment that matched the entire regexp expression,
+ // plus the last subexpression, if a (.*?) was inserted in the constructor.
+ if (!braces_match(m[0].first, m[0].second, open_braces))
+ return 0;
+ // Check braces on segments that matched all (.*?) subexpressions.
+ for (size_t i = 1; i < m.size(); ++i)
+ if (!braces_match(m[i].first, m[i].second))
+ return false;
+ // Exclude from the returned match length any length
+ // due to close wildcards added at end of regexp
+ if (close_wildcards == 0)
+ return m[0].second - m[0].first;
+ else
+ return m[m.size() - close_wildcards].first - m[0].first;
+ }
+ }
+ return 0;
+}
+
+
+int MatchStringAdv::operator()(DocIterator const & cur, int len, bool at_begin) const
+{
+ int res = findAux(cur, len, at_begin);
+ if (res == 0 || !at_begin || !opt.matchword || !cur.inTexted())
+ return res;
+ Paragraph const & par = cur.paragraph();
+ bool ws_left = cur.pos() > 0 ?
+ par.isWordSeparator(cur.pos() - 1) : true;
+ bool ws_right = cur.pos() + res < par.size() ?
+ par.isWordSeparator(cur.pos() + res) : true;
+ LYXERR(Debug::FIND,
+ "cur.pos()=" << cur.pos() << ", res=" << res
+ << ", separ: " << ws_left << ", " << ws_right
+ << endl);
+ if (ws_left && ws_right)
+ return res;
+ return 0;
+}
+
+
+string MatchStringAdv::normalize(docstring const & s) const
+{
+ string t;
+ if (! opt.casesensitive)
+ t = lyx::to_utf8(lowercase(s));
+ else
+ t = lyx::to_utf8(s);
+ // Remove \n at begin
+ while (t.size() > 0 && t[0] == '\n')
+ t = t.substr(1);
+ // Remove \n at end
+ while (t.size() > 0 && t[t.size() - 1] == '\n')
+ t = t.substr(0, t.size() - 1);
+ size_t pos;
+ // Replace all other \n with spaces
+ while ((pos = t.find("\n")) != string::npos)
+ t.replace(pos, 1, " ");
+ // Remove stale empty \emph{}, \textbf{} and similar blocks from latexify
+ LYXERR(Debug::FIND, "Removing stale empty \\emph{}, \\textbf{}, \\*section{} macros from: " << t);
+ while (regex_replace(t, t, "\\\\(emph|textbf|subsubsection|subsection|section|subparagraph|paragraph|part)(\\{\\})+", ""))
+ LYXERR(Debug::FIND, " further removing stale empty \\emph{}, \\textbf{} macros from: " << t);
+ return t;
+}
+
+
+docstring stringifyFromCursor(DocIterator const & cur, int len)
+{
+ LYXERR(Debug::FIND, "Stringifying with len=" << len << " from cursor at pos: " << cur);
+ if (cur.inTexted()) {
+ Paragraph const & par = cur.paragraph();
+ // TODO what about searching beyond/across paragraph breaks ?
+ // TODO Try adding a AS_STR_INSERTS as last arg
+ pos_type end = ( len == -1 || cur.pos() + len > int(par.size()) ) ?
+ int(par.size()) : cur.pos() + len;
+ OutputParams runparams(&cur.buffer()->params().encoding());
+ odocstringstream os;
+ runparams.nice = true;
+ runparams.flavor = OutputParams::LATEX;
+ runparams.linelen = 100000; //lyxrc.plaintext_linelen;
+ // No side effect of file copying and image conversion
+ runparams.dryrun = true;
+ LYXERR(Debug::FIND, "Stringifying with cur: "
+ << cur << ", from pos: " << cur.pos() << ", end: " << end);
+ return par.stringify(cur.pos(), end, AS_STR_INSETS, runparams);
+ } else if (cur.inMathed()) {
+ odocstringstream os;
+ CursorSlice cs = cur.top();
+ MathData md = cs.cell();
+ MathData::const_iterator it_end =
+ ( ( len == -1 || cs.pos() + len > int(md.size()) )
+ ? md.end() : md.begin() + cs.pos() + len );
+ for (MathData::const_iterator it = md.begin() + cs.pos(); it != it_end; ++it)
+ os << *it;
+ return os.str();
+ }
+ LYXERR(Debug::FIND, "Don't know how to stringify from here: " << cur);
+ return docstring();
+}
+
+
+/** Computes the LaTeX export of buf starting from cur and ending len positions
+ * after cur, if len is positive, or at the paragraph or innermost inset end
+ * if len is -1.
+ */
+docstring latexifyFromCursor(DocIterator const & cur, int len)
+{
+ LYXERR(Debug::FIND, "Latexifying with len=" << len << " from cursor at pos: " << cur);
+ LYXERR(Debug::FIND, " with cur.lastpost=" << cur.lastpos() << ", cur.lastrow="
+ << cur.lastrow() << ", cur.lastcol=" << cur.lastcol());
+ Buffer const & buf = *cur.buffer();
+ LASSERT(buf.isLatex(), /* */);
+
+ TexRow texrow;
+ odocstringstream ods;
+ OutputParams runparams(&buf.params().encoding());
+ runparams.nice = false;
+ runparams.flavor = OutputParams::LATEX;
+ runparams.linelen = 8000; //lyxrc.plaintext_linelen;
+ // No side effect of file copying and image conversion
+ runparams.dryrun = true;
+
+ if (cur.inTexted()) {
+ // @TODO what about searching beyond/across paragraph breaks ?
+ pos_type endpos = cur.paragraph().size();
+ if (len != -1 && endpos > cur.pos() + len)
+ endpos = cur.pos() + len;
+ TeXOnePar(buf, *cur.innerText(), cur.pit(), ods, texrow, runparams,
+ string(), cur.pos(), endpos);
+ LYXERR(Debug::FIND, "Latexified text: '" << lyx::to_utf8(ods.str()) << "'");
+ } else if (cur.inMathed()) {
+ // Retrieve the math environment type, and add '$' or '$[' or others (\begin{equation}) accordingly
+ for (int s = cur.depth() - 1; s >= 0; --s) {
+ CursorSlice const & cs = cur[s];
+ if (cs.asInsetMath() && cs.asInsetMath() && cs.asInsetMath()->asHullInset()) {
+ WriteStream ws(ods);
+ cs.asInsetMath()->asHullInset()->header_write(ws);
+ break;
+ }
+ }
+
+ CursorSlice const & cs = cur.top();
+ MathData md = cs.cell();
+ MathData::const_iterator it_end = ( ( len == -1 || cs.pos() + len > int(md.size()) )
+ ? md.end() : md.begin() + cs.pos() + len );
+ for (MathData::const_iterator it = md.begin() + cs.pos(); it != it_end; ++it)
+ ods << *it;
+
+ // Retrieve the math environment type, and add '$' or '$]'
+ // or others (\end{equation}) accordingly
+ for (int s = cur.depth() - 1; s >= 0; --s) {
+ CursorSlice const & cs = cur[s];
+ InsetMath * inset = cs.asInsetMath();
+ if (inset && inset->asHullInset()) {
+ WriteStream ws(ods);
+ inset->asHullInset()->footer_write(ws);
+ break;
+ }
+ }
+ LYXERR(Debug::FIND, "Latexified math: '" << lyx::to_utf8(ods.str()) << "'");
+ } else {
+ LYXERR(Debug::FIND, "Don't know how to stringify from here: " << cur);
+ }
+ return ods.str();
+}
+
+
+/** Finalize an advanced find operation, advancing the cursor to the innermost
+ ** position that matches, plus computing the length of the matching text to
+ ** be selected
+ **/
+int findAdvFinalize(DocIterator & cur, MatchStringAdv const & match)
+{
+ // Search the foremost position that matches (avoids find of entire math
+ // inset when match at start of it)
+ size_t d;
+ DocIterator old_cur(cur.buffer());
+ do {
+ LYXERR(Debug::FIND, "Forwarding one step (searching for innermost match)");
+ d = cur.depth();
+ old_cur = cur;
+ cur.forwardPos();
+ } while (cur && cur.depth() > d && match(cur) > 0);
+ cur = old_cur;
+ LASSERT(match(cur) > 0, /* */);
+ LYXERR(Debug::FIND, "Ok");
+
+ // Compute the match length
+ int len = 1;
+ if (cur.pos() + len > cur.lastpos())
+ return 0;
+ LYXERR(Debug::FIND, "verifying unmatch with len = " << len);
+ while (cur.pos() + len <= cur.lastpos() && match(cur, len) == 0) {
+ ++len;
+ LYXERR(Debug::FIND, "verifying unmatch with len = " << len);
+ }
+ // Length of matched text (different from len param)
+ int old_len = match(cur, len);
+ int new_len;
+ // Greedy behaviour while matching regexps
+ while ((new_len = match(cur, len + 1)) > old_len) {
+ ++len;
+ old_len = new_len;
+ LYXERR(Debug::FIND, "verifying match with len = " << len);
+ }
+ return len;
+}
+
+
+/// Finds forward
+int findForwardAdv(DocIterator & cur, MatchStringAdv & match)
+{
+ if (!cur)
+ return 0;
+ while (cur && !match(cur, -1, false)) {
+ if (cur.pit() < cur.lastpit())
+ cur.forwardPar();
+ else {
+ cur.forwardPos();
+ }
+ }
+ for (; cur; cur.forwardPos()) {
+ if (match(cur))
+ return findAdvFinalize(cur, match);
+ }
+ return 0;
+}
+
+
+/// Find the most backward consecutive match within same paragraph while searching backwards.
+int findMostBackwards(DocIterator & cur, MatchStringAdv const & match)
+{
+ DocIterator cur_begin = doc_iterator_begin(cur.buffer());
+ DocIterator tmp_cur = cur;
+ int len = findAdvFinalize(tmp_cur, match);
+ Inset & inset = cur.inset();
+ for (; cur != cur_begin; cur.backwardPos()) {
+ LYXERR(Debug::FIND, "findMostBackwards(): cur=" << cur);
+ DocIterator new_cur = cur;
+ new_cur.backwardPos();
+ if (new_cur == cur || &new_cur.inset() != &inset || !match(new_cur))
+ break;
+ int new_len = findAdvFinalize(new_cur, match);
+ if (new_len == len)
+ break;
+ len = new_len;
+ }
+ LYXERR(Debug::FIND, "findMostBackwards(): exiting with cur=" << cur);
+ return len;
+}
+
+
+/// Finds backwards
+int findBackwardsAdv(DocIterator & cur, MatchStringAdv & match) {
+ if (! cur)
+ return 0;
+ // Backup of original position
+ DocIterator cur_begin = doc_iterator_begin(cur.buffer());
+ if (cur == cur_begin)
+ return 0;
+ cur.backwardPos();
+ DocIterator cur_orig(cur);
+ bool found_match;
+ bool pit_changed = false;
+ found_match = false;
+ do {
+ cur.pos() = 0;
+ found_match = match(cur, -1, false);
+
+ if (found_match) {
+ if (pit_changed)
+ cur.pos() = cur.lastpos();
+ else
+ cur.pos() = cur_orig.pos();
+ LYXERR(Debug::FIND, "findBackAdv2: cur: " << cur);
+ DocIterator cur_prev_iter;
+ do {
+ found_match = match(cur);
+ LYXERR(Debug::FIND, "findBackAdv3: found_match="
+ << found_match << ", cur: " << cur);
+ if (found_match)
+ return findMostBackwards(cur, match);
+
+ // Stop if begin of document reached
+ if (cur == cur_begin)
+ break;
+ cur_prev_iter = cur;
+ cur.backwardPos();
+ } while (true);
+ }
+ if (cur == cur_begin)
+ break;
+ if (cur.pit() > 0)
+ --cur.pit();
+ else
+ cur.backwardPos();
+ pit_changed = true;
+ } while (true);
+ return 0;
+}
+
+
+} // anonym namespace
+
+
+docstring stringifyFromForSearch(FindAndReplaceOptions const & opt,
+ DocIterator const & cur, int len)
+{
+ if (!opt.ignoreformat)
+ return latexifyFromCursor(cur, len);
+ else
+ return stringifyFromCursor(cur, len);
+}
+
+
+FindAndReplaceOptions::FindAndReplaceOptions(docstring const & search, bool casesensitive,
+ bool matchword, bool forward, bool expandmacros, bool ignoreformat,
+ bool regexp, docstring const & replace, bool keep_case,
+ SearchScope scope)
+ : search(search), casesensitive(casesensitive), matchword(matchword),
+ forward(forward), expandmacros(expandmacros), ignoreformat(ignoreformat),
+ regexp(regexp), replace(replace), keep_case(keep_case), scope(scope)
+{
+}
+
+
+namespace {
+
+
+/** Check if 'len' letters following cursor are all non-lowercase */
+static bool allNonLowercase(DocIterator const & cur, int len) {
+ pos_type end_pos = cur.pos() + len;
+ for (pos_type pos = cur.pos(); pos != end_pos; ++pos)
+ if (isLowerCase(cur.paragraph().getChar(pos)))
+ return false;
+ return true;
+}
+
+
+/** Check if first letter is upper case and second one is lower case */
+static bool firstUppercase(DocIterator const & cur) {
+ char_type ch1, ch2;
+ if (cur.pos() >= cur.lastpos() - 1) {
+ LYXERR(Debug::FIND, "No upper-case at cur: " << cur);
+ return false;
+ }
+ ch1 = cur.paragraph().getChar(cur.pos());
+ ch2 = cur.paragraph().getChar(cur.pos()+1);
+ bool result = isUpperCase(ch1) && isLowerCase(ch2);
+ LYXERR(Debug::FIND, "firstUppercase(): "
+ << "ch1=" << ch1 << "(" << char(ch1) << "), ch2="
+ << ch2 << "(" << char(ch2) << ")"
+ << ", result=" << result << ", cur=" << cur);
+ return result;
+}
+
+
+/** Make first letter of supplied buffer upper-case, and the rest lower-case.
+ **
+ ** \fixme What to do with possible further paragraphs in replace buffer ?
+ **/
+static void changeFirstCase(Buffer & buffer, TextCase first_case, TextCase others_case) {
+ ParagraphList::iterator pit = buffer.paragraphs().begin();
+ pos_type right = pos_type(1);
+ pit->changeCase(buffer.params(), pos_type(0), right, first_case);
+ right = pit->size() + 1;
+ pit->changeCase(buffer.params(), right, right, others_case);
+}
+} // anon namespace
+
+///
+static void findAdvReplace(BufferView * bv, FindAndReplaceOptions const & opt, MatchStringAdv & matchAdv)
+{
+ Cursor & cur = bv->cursor();
+ if (opt.replace == docstring(from_utf8(LYX_FR_NULL_STRING)))
+ return;
+ DocIterator sel_beg = cur.selectionBegin();
+ DocIterator sel_end = cur.selectionEnd();
+ if (&sel_beg.inset() != &sel_end.inset()
+ || sel_beg.pit() != sel_end.pit())
+ return;
+ int sel_len = sel_end.pos() - sel_beg.pos();
+ LYXERR(Debug::FIND, "sel_beg: " << sel_beg << ", sel_end: " << sel_end
+ << ", sel_len: " << sel_len << endl);
+ if (sel_len == 0)
+ return;
+ LASSERT(sel_len > 0, /**/);
+
+ if (!matchAdv(sel_beg, sel_len))
+ return;
+
+ string lyx = to_utf8(opt.replace);
+ // FIXME: Seems so stupid to me to rebuild a buffer here,
+ // when we already have one (replace_work_area_.buffer())
+ Buffer repl_buffer("", false);
+ repl_buffer.setUnnamed(true);
+ LASSERT(repl_buffer.readString(lyx), /**/);
+ repl_buffer.changeLanguage(
+ repl_buffer.language(),
+ cur.getFont().language());
+ if (opt.keep_case && sel_len >= 2) {
+ if (cur.inTexted()) {
+ if (firstUppercase(cur))
+ changeFirstCase(repl_buffer, text_uppercase, text_lowercase);
+ else if (allNonLowercase(cur, sel_len))
+ changeFirstCase(repl_buffer, text_uppercase, text_uppercase);
+ }
+ }
+ cap::cutSelection(cur, false, false);
+ if (!cur.inMathed()) {
+ LYXERR(Debug::FIND, "Replacing by pasteParagraphList()ing repl_buffer");
+ cap::pasteParagraphList(cur, repl_buffer.paragraphs(),
+ repl_buffer.params().documentClassPtr(),
+ bv->buffer().errorList("Paste"));
+ } else {
+ odocstringstream ods;
+ OutputParams runparams(&repl_buffer.params().encoding());
+ runparams.nice = false;
+ runparams.flavor = OutputParams::LATEX;
+ runparams.linelen = 8000; //lyxrc.plaintext_linelen;
+ runparams.dryrun = true;
+ TexRow texrow;
+ TeXOnePar(repl_buffer, repl_buffer.text(), 0, ods, texrow, runparams);
+ //repl_buffer.getSourceCode(ods, 0, repl_buffer.paragraphs().size(), false);
+ docstring repl_latex = ods.str();
+ LYXERR(Debug::FIND, "Latexified replace_buffer: '" << repl_latex << "'");
+ string s;
+ regex_replace(to_utf8(repl_latex), s, "\\$(.*)\\$", "$1");
+ regex_replace(s, s, "\\\\\\[(.*)\\\\\\]", "$1");
+ repl_latex = from_utf8(s);
+ LYXERR(Debug::FIND, "Replacing by niceInsert()ing latex: '" << repl_latex << "'");
+ cur.niceInsert(repl_latex);
+ }
+ cur.pos() -= repl_buffer.paragraphs().begin()->size();
+ bv->putSelectionAt(DocIterator(cur), repl_buffer.paragraphs().begin()->size(), !opt.forward);
+ bv->processUpdateFlags(Update::Force);
+}
+
+
+/// Perform a FindAdv operation.
+bool findAdv(BufferView * bv, FindAndReplaceOptions const & opt)
+{
+ DocIterator cur;
+ int match_len;
+
+ if (opt.search.empty()) {
+ bv->message(_("Search text is empty!"));
+ return false;
+ }
+
+ try {
+ MatchStringAdv matchAdv(bv->buffer(), opt);
+ findAdvReplace(bv, opt, matchAdv);
+ cur = bv->cursor();
+ if (opt.forward)
+ match_len = findForwardAdv(cur, matchAdv);
+ else
+ match_len = findBackwardsAdv(cur, matchAdv);
+ } catch (...) {
+ // This may only be raised by lyx::regex()
+ bv->message(_("Invalid regular expression!"));
+ return false;
+ }
+
+ if (match_len == 0) {
+ bv->message(_("Match not found!"));
+ return false;
+ }
+
+ bv->message(_("Match found!"));
+
+ LYXERR(Debug::FIND, "Putting selection at cur=" << cur << " with len: " << match_len);
+ bv->putSelectionAt(cur, match_len, !opt.forward);
+
+ return true;
+}
+
+
+ostringstream & operator<<(ostringstream & os, FindAndReplaceOptions const & opt)
+{
+ os << to_utf8(opt.search) << "\nEOSS\n"
+ << opt.casesensitive << ' '
+ << opt.matchword << ' '
+ << opt.forward << ' '
+ << opt.expandmacros << ' '
+ << opt.ignoreformat << ' '
+ << opt.regexp << ' '
+ << to_utf8(opt.replace) << "\nEOSS\n"
+ << opt.keep_case << ' '
+ << int(opt.scope);
+
+ LYXERR(Debug::FIND, "built: " << os.str());
+
+ return os;
+}
+
+istringstream & operator>>(istringstream & is, FindAndReplaceOptions & opt)
+{
+ LYXERR(Debug::FIND, "parsing");
+ string s;
+ string line;
+ getline(is, line);
+ while (line != "EOSS") {
+ if (! s.empty())
+ s = s + "\n";
+ s = s + line;
+ if (is.eof()) // Tolerate malformed request
+ break;
+ getline(is, line);
+ }
+ LYXERR(Debug::FIND, "searching for: '" << s << "'");
+ opt.search = from_utf8(s);
+ is >> opt.casesensitive >> opt.matchword >> opt.forward >> opt.expandmacros >> opt.ignoreformat >> opt.regexp;
+ is.get(); // Waste space before replace string
+ s = "";
+ getline(is, line);
+ while (line != "EOSS") {
+ if (! s.empty())
+ s = s + "\n";
+ s = s + line;
+ if (is.eof()) // Tolerate malformed request
+ break;
+ getline(is, line);
+ }
+ is >> opt.keep_case;
+ int i;
+ is >> i;
+ opt.scope = FindAndReplaceOptions::SearchScope(i);
+ LYXERR(Debug::FIND, "parsed: " << opt.casesensitive << ' ' << opt.matchword << ' ' << opt.forward << ' '
+ << opt.expandmacros << ' ' << opt.ignoreformat << ' ' << opt.regexp << ' ' << opt.keep_case);
+ LYXERR(Debug::FIND, "replacing with: '" << s << "'");
+ opt.replace = from_utf8(s);
+ return is;
+}
+
} // lyx namespace
projects / lyx.git / blobdiff