#include "support/lassert.h"
#include "support/lstrings.h"
-#include <boost/regex.hpp>
+#include "support/regex.h"
#include <boost/next_prior.hpp>
using namespace std;
{
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
{
- return par.find(str, cs, mw, pos, del);
+ 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 searchAllowed(BufferView * /*bv*/, docstring const & str)
+bool searchAllowed(docstring const & str)
{
if (str.empty()) {
frontend::Alert::error(_("Search error"), _("Search string is empty"));
}
-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) :
+ bool found = forward ? findForward(cur, match, find_del) :
findBackwards(cur, match, find_del);
if (found)
- bv->putSelectionAt(cur, searchstr.length(), !fw);
+ bv->putSelectionAt(cur, searchstr.length(), !forward);
return found;
}
int replaceAll(BufferView * bv,
docstring const & searchstr, docstring const & replacestr,
- bool cs, bool mw)
+ bool case_sens, bool whole)
{
Buffer & buf = bv->buffer();
- if (!searchAllowed(bv, searchstr) || buf.isReadonly())
+ if (!searchAllowed(searchstr) || buf.isReadonly())
return 0;
- MatchString const match(searchstr, cs, mw);
+ DocIterator cur_orig(bv->cursor());
+
+ MatchString const match(searchstr, case_sens, whole);
int num = 0;
int const rsize = replacestr.size();
++num;
}
- buf.updateBuffer();
bv->putSelectionAt(doc_iterator_begin(&buf), 0, false);
if (num)
buf.markDirty();
+
+ cur_orig.fixIfBroken();
+ bv->setCursor(cur_orig);
+
return num;
}
-bool stringSelected(BufferView * bv, docstring & searchstr,
- 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 nothing selected and searched string is empty, this
- // means that we want to search current word at cursor position,
- // but only if we are in texted() mode.
- if (!bv->cursor().selection() && searchstr.empty()
- && bv->cursor().inTexted()) {
- bv->cursor().innerText()->selectWord(bv->cursor(), WHOLE_WORD);
- searchstr = bv->cursor().selectionAsString(false);
- return true;
+ 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<int, bool>(0, false);
+ // select current word and treat it as the search string
+ cur.innerText()->selectWord(cur, WHOLE_WORD);
+ searchstr = cur.selectionAsString(false);
}
-
- // 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;
+
+ // 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);
}
- return true;
-}
-
-
-int replace(BufferView * bv, docstring & searchstr,
- docstring const & replacestr, bool cs, bool mw, bool fw)
-{
- if (!stringSelected(bv, searchstr, cs, mw, fw))
- return 0;
-
- if (!searchAllowed(bv, searchstr) || bv->buffer().isReadonly())
- 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);
+ cap::replaceSelectionWithString(cur, replacestr, forward);
bv->buffer().markDirty();
- find(bv, searchstr, cs, mw, fw, false);
- bv->buffer().updateMacros();
- bv->processUpdateFlags(Update::Force | Update::FitCursor);
+ findOne(bv, searchstr, case_sens, whole, forward, false);
- return 1;
+ return pair<bool, int>(true, 1);
}
} // namespace anon
}
-bool find(BufferView * bv, FuncRequest const & ev)
+bool lyxfind(BufferView * bv, FuncRequest const & ev)
{
- if (!bv || ev.action != LFUN_WORD_FIND)
+ if (!bv || ev.action() != LFUN_WORD_FIND)
return false;
//lyxerr << "find called, cmd: " << ev << endl;
bool matchword = parse_bool(howto);
bool forward = parse_bool(howto);
- return find(bv, search, casesensitive, matchword, forward);
+ 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>
bool all = parse_bool(howto);
bool forward = parse_bool(howto);
+ 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 (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 & buf = bv->buffer();
- if (replace_count == 0) {
+ Buffer const & buf = bv->buffer();
+ if (!update) {
// emit message signal.
buf.message(_("String not found!"));
} else {
- if (replace_count == 1) {
- // emit message signal.
+ 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.
+ 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
- if (find(bv, search, casesensitive, matchword, forward))
- bv->showCursor();
+ if (findOne(bv, search, casesensitive, matchword, forward))
+ update = true;
else
bv->message(_("String not found!"));
}
+ return update;
}
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().anchor()))
+ if (next != (bv->cursor().top() > bv->cursor().normalAnchor()))
bv->cursor().setCursorToAnchor();
}
return s;
}
-/// Wrapper for boost::regex_replace with simpler interface
+/// Wrapper for lyx::regex_replace with simpler interface
bool regex_replace(string const & s, string & t, string const & searchstr,
string const & replacestr)
{
- boost::regex e(searchstr);
+ lyx::regex e(searchstr);
ostringstream oss;
ostream_iterator<char, char> it(oss);
- boost::regex_replace(it, s.begin(), s.end(), e, replacestr);
+ 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();
// normalized string to search
string par_as_string;
// regular expression to use for searching
- boost::regex regexp;
+ lyx::regex regexp;
// same as regexp, but prefixed with a ".*"
- boost::regex regexp2;
+ 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
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 = boost::regex(string("\\`") + par_as_string);
+ regexp = lyx::regex(string("\\`") + par_as_string);
// If entered regexp may match wherever in searched string buffer
- regexp2 = boost::regex(string("\\`.*") + par_as_string);
+ regexp2 = lyx::regex(string("\\`.*") + par_as_string);
}
}
} else {
// Try all possible regexp matches,
//until one that verifies the braces match test is found
- boost::regex const *p_regexp = at_begin ? ®exp : ®exp2;
- boost::sregex_iterator re_it(str.begin(), str.end(), *p_regexp);
- boost::sregex_iterator re_it_end;
+ 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) {
- boost::match_results<string::const_iterator> const & m = *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))
/// Find the most backward consecutive match within same paragraph while searching backwards.
-void findMostBackwards(DocIterator & cur, MatchStringAdv const & match, int & len)
+int findMostBackwards(DocIterator & cur, MatchStringAdv const & match)
{
DocIterator cur_begin = doc_iterator_begin(cur.buffer());
DocIterator tmp_cur = cur;
- len = findAdvFinalize(tmp_cur, match);
+ int len = findAdvFinalize(tmp_cur, match);
Inset & inset = cur.inset();
for (; cur != cur_begin; cur.backwardPos()) {
LYXERR(Debug::FIND, "findMostBackwards(): cur=" << cur);
len = new_len;
}
LYXERR(Debug::FIND, "findMostBackwards(): exiting with cur=" << cur);
+ return len;
}
found_match = match(cur);
LYXERR(Debug::FIND, "findBackAdv3: found_match="
<< found_match << ", cur: " << cur);
- if (found_match) {
- int len;
- findMostBackwards(cur, match, len);
- return len;
- }
+ if (found_match)
+ return findMostBackwards(cur, match);
+
// Stop if begin of document reached
if (cur == cur_begin)
break;
}
-/** Checks if the supplied character is lower-case */
-static bool isLowerCase(char_type ch) {
- return lowercase(ch) == ch;
-}
-
-
-/** Checks if the supplied character is upper-case */
-static bool isUpperCase(char_type ch) {
- return uppercase(ch) == ch;
-}
+namespace {
/** Check if 'len' letters following cursor are all non-lowercase */
right = pit->size() + 1;
pit->changeCase(buffer.params(), right, right, others_case);
}
-
+} // anon namespace
///
static void findAdvReplace(BufferView * bv, FindAndReplaceOptions const & opt, MatchStringAdv & matchAdv)
else
match_len = findBackwardsAdv(cur, matchAdv);
} catch (...) {
- // This may only be raised by boost::regex()
+ // This may only be raised by lyx::regex()
bv->message(_("Invalid regular expression!"));
return false;
}