+/**
+ * \file lyxfind.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
+ *
+ * \author Lars Gullik Bjønnes
+ * \author John Levon
+ * \author Jürgen Vigna
+ * \author Alfredo Braunstein
+ *
+ * Full author contact details are available in file CREDITS.
+ */
+
#include <config.h>
-#ifdef __GNUG__
-#pragma implementation
-#endif
+#include "lyxfind.h"
+#include "buffer.h"
+#include "cursor.h"
+#include "CutAndPaste.h"
+#include "BufferView.h"
+#include "debug.h"
+#include "funcrequest.h"
+#include "gettext.h"
#include "lyxtext.h"
-#include "lyxfind.h"
-#include "LyXView.h"
-#include "minibuffer.h"
-#include "lyx_gui_misc.h"
+#include "paragraph.h"
+#include "pariterator.h"
+#include "undo.h"
+
+#include "frontends/Alert.h"
+#include "frontends/LyXView.h"
+
#include "support/textutils.h"
-#include "support/lstrings.h"
-#include "BufferView.h"
-#include "buffer.h"
+#include "support/tostr.h"
+
+#include "support/std_sstream.h"
+
+using lyx::support::lowercase;
+using lyx::support::uppercase;
+using lyx::support::split;
+
+using lyx::par_type;
+using lyx::pos_type;
+
+using std::advance;
+using std::ostringstream;
+using std::string;
-int LyXReplace(BufferView * bv,
- string const & searchstr,
- string const & replacestr,
- bool const & casesens,
- bool const & matchwrd,
- bool const & forward,
- bool const & replaceall=false)
-{
- int replace_count = 0;
-
- if (!bv->available() || bv->buffer()->isReadonly())
- return replace_count;
-
- // CutSelection cannot cut a single space, so we have to stop
- // in order to avoid endless loop :-(
- if (searchstr.length() == 0
- || (searchstr.length() == 1 && searchstr[0] == ' ')) {
- WriteAlert(_("Sorry!"), _("You cannot replace a single space, "
- "nor an empty character."));
- return replace_count;
- }
- // now we can start searching for the first
- // start at top if replaceall
- bool fw = forward;
- if (replaceall) {
- bv->text->ClearSelection(bv);
- bv->text->CursorTop(bv);
- // override search direction because we search top to bottom
- fw = true;
- }
-
- // if nothing selected or selection does not equal search string
- // search and select next occurance and return if no replaceall
- if (searchstr!=bv->text->selectionAsString(bv->buffer())) {
- LyXFind(bv, searchstr, casesens, matchwrd, fw);
- if (!replaceall)
- return replace_count;
- }
-
- bool found;
- do {
- bv->hideCursor();
- bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR);
- bv->toggleSelection(false);
- bv->text->ReplaceSelectionWithString(bv, replacestr);
- bv->text->SetSelectionOverString(bv, replacestr);
- bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
- ++replace_count;
- found = LyXFind(bv, searchstr, casesens, matchwrd, fw);
- } while (replaceall && found);
-
- if (bv->focus())
- bv->showCursor();
-
- return replace_count;
-}
-bool LyXFind(BufferView * bv,
- string const & searchstr,
- bool const & casesens,
- bool const & matchwrd,
- bool const & forward)
+namespace {
+
+bool parse_bool(string & howto)
{
- bool found = false;
-
- if (!bv->available() || searchstr.empty())
- return found;
-
- bv->hideCursor();
- bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR);
-
- LyXText * ltCur = bv->text;
- if (ltCur->selection)
- ltCur->cursor = forward ? ltCur->sel_end_cursor
- : ltCur->sel_start_cursor;
-
- if (forward
- ? SearchForward(bv, searchstr, casesens, matchwrd)
- : SearchBackward(bv, searchstr, casesens, matchwrd)) {
- bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR);
- bv->toggleSelection();
- bv->text->ClearSelection(bv);
- bv->text->SetSelectionOverString(bv, searchstr);
- bv->toggleSelection(false);
- found = true;
- };
-
- if (bv->focus())
- bv->showCursor();
-
- return found;
+ if (howto.empty())
+ return false;
+ string var;
+ howto = split(howto, var, ' ');
+ return (var == "1");
}
-// returns true if the specified string is at the specified position
-bool IsStringInText(LyXParagraph * par, LyXParagraph::size_type pos,
- string const & str, bool const & cs = true,
- bool const & mw = false)
+class MatchString : public std::binary_function<Paragraph, lyx::pos_type, bool>
{
- if (!par)
- return false;
-
- string::size_type size = str.length();
- LyXParagraph::size_type i = 0;
- while (((pos + i) < par->Last())
- && (string::size_type(i) < size)
- && (cs ? (str[i] == par->GetChar(pos + i))
- : (toupper(str[i]) == toupper(par->GetChar(pos + i)))))
+public:
+ MatchString(string const & str, bool cs, bool mw)
+ : str(str), cs(cs), mw(mw)
+ {}
+
+ // returns true if the specified string is at the specified position
+ bool operator()(Paragraph const & par, lyx::pos_type pos) const
{
- ++i;
- }
- if (size == string::size_type(i)) {
- // if necessary, check whether string matches word
- if (!mw ||
- (mw && ((pos <= 0 || !IsLetterCharOrDigit(par->GetChar(pos - 1)))
- && (pos + size >= par->Last()
- || !IsLetterCharOrDigit(par->GetChar(pos + size))))
- )
- )
- return true;
+ string::size_type const size = str.length();
+ lyx::pos_type i = 0;
+ lyx::pos_type const parsize = par.size();
+ for (i = 0; pos + i < parsize; ++i) {
+ if (string::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 (size != string::size_type(i))
+ return false;
+
+ // if necessary, check whether string matches word
+ if (mw) {
+ if (pos > 0 && IsLetterCharOrDigit(par.getChar(pos - 1)))
+ return false;
+ if (pos + lyx::pos_type(size) < parsize
+ && IsLetterCharOrDigit(par.getChar(pos + size)));
+ return false;
+ }
+
+ return true;
}
+
+private:
+ // search string
+ string str;
+ // case sensitive
+ bool cs;
+ // match whole words only
+ bool mw;
+};
+
+
+bool findForward(DocIterator & cur, MatchString const & match)
+{
+ for (; cur; cur.forwardChar())
+ if (cur.inTexted() && match(cur.paragraph(), cur.pos()))
+ return true;
return false;
}
-// forward search:
-// if the string can be found: return true and set the cursor to
-// the new position, cs = casesensitive, mw = matchword
-bool SearchForward(BufferView * bv, string const & str,
- bool const & cs = true, bool const & mw = false)
+
+bool findBackwards(DocIterator & cur, MatchString const & match)
{
- LyXParagraph * par = bv->text->cursor.par();
- LyXParagraph::size_type pos = bv->text->cursor.pos();
-
- while (par && !IsStringInText(par, pos, str, cs, mw)) {
- if (pos < par->Last() - 1)
- ++pos;
- else {
- pos = 0;
- par = par->Next();
- }
+ for (; cur; cur.backwardChar())
+ if (cur.inTexted() && match(cur.paragraph(), cur.pos()))
+ return true;
+ return false;
+}
+
+
+bool findChange(DocIterator & cur)
+{
+ for (; cur; cur.forwardChar())
+ if (cur.inTexted() && !cur.paragraph().empty() &&
+ cur.paragraph().lookupChange(cur.pos())
+ != Change::UNCHANGED)
+ return true;
+ return false;
+}
+
+
+bool searchAllowed(BufferView * bv, string const & str)
+{
+ if (str.empty()) {
+ Alert::error(_("Search error"), _("Search string is empty"));
+ return false;
}
- if (par) {
- bv->text->SetCursor(bv, par, pos);
- return true;
+ return bv->available();
+}
+
+
+bool find(BufferView * bv, string const & searchstr, bool cs, bool mw, bool fw)
+{
+ if (!searchAllowed(bv, searchstr))
+ return false;
+
+ DocIterator cur = bv->cursor();
+
+ MatchString const match(searchstr, cs, mw);
+
+ bool found = fw ? findForward(cur, match) : findBackwards(cur, match);
+
+ if (found)
+ bv->putSelectionAt(cur, searchstr.length(), !fw);
+
+ return found;
+}
+
+
+int replaceAll(BufferView * bv,
+ string const & searchstr, string const & replacestr,
+ bool cs, bool mw)
+{
+ Buffer & buf = *bv->buffer();
+
+ if (!searchAllowed(bv, searchstr) || buf.isReadonly())
+ return 0;
+
+ recordUndoFullDocument(bv->cursor());
+
+ MatchString const match(searchstr, cs, mw);
+ int num = 0;
+
+ int const rsize = replacestr.size();
+ int const ssize = searchstr.size();
+
+ DocIterator cur = doc_iterator_begin(buf.inset());
+ while (findForward(cur, match)) {
+ lyx::pos_type pos = cur.pos();
+ LyXFont const font
+ = cur.paragraph().getFontSettings(buf.params(), pos);
+ int striked = ssize - cur.paragraph().erase(pos, pos + ssize);
+ cur.paragraph().insert(pos, replacestr, font);
+ for (int i = 0; i < rsize + striked; ++i)
+ cur.forwardChar();
+ ++num;
}
- else
+
+ bv->text()->init(bv);
+ bv->putSelectionAt(doc_iterator_begin(buf.inset()), 0, false);
+ if (num)
+ buf.markDirty();
+ return num;
+}
+
+
+bool stringSelected(BufferView * bv, string 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
+ string const & str1 = searchstr;
+ string const str2 = bv->cursor().selectionAsString(false);
+ if ((cs && str1 != str2) || lowercase(str1) != lowercase(str2)) {
+ find(bv, searchstr, cs, mw, fw);
return false;
+ }
+
+ return true;
+}
+
+
+int replace(BufferView * bv, string const & searchstr,
+ string const & replacestr, bool cs, bool mw, bool fw)
+{
+ if (!searchAllowed(bv, searchstr) || bv->buffer()->isReadonly())
+ return 0;
+
+ if (!stringSelected(bv, searchstr, cs, mw, fw))
+ return 0;
+
+ LCursor & cur = bv->cursor();
+ lyx::cap::replaceSelectionWithString(cur, replacestr);
+ lyx::cap::setSelectionRange(cur, replacestr.length());
+ cur.top() = fw ? cur.selEnd() : cur.selBegin();
+ bv->buffer()->markDirty();
+ find(bv, searchstr, cs, mw, fw);
+ bv->update();
+
+ return 1;
+}
+
+} // namespace anon
+
+
+namespace lyx {
+namespace find {
+
+string const find2string(string const & search,
+ bool casesensitive, bool matchword, bool forward)
+{
+ ostringstream ss;
+ ss << search << '\n'
+ << int(casesensitive) << ' '
+ << int(matchword) << ' '
+ << int(forward);
+ return ss.str();
+}
+
+
+string const replace2string(string const & search, string const & replace,
+ bool casesensitive, bool matchword,
+ bool all, bool forward)
+{
+ ostringstream ss;
+ ss << search << '\n'
+ << replace << '\n'
+ << int(casesensitive) << ' '
+ << int(matchword) << ' '
+ << int(all) << ' '
+ << int(forward);
+ return ss.str();
}
-// backward search:
-// if the string can be found: return true and set the cursor to
-// the new position, cs = casesensitive, mw = matchword
-bool SearchBackward(BufferView * bv, string const & str,
- bool const & cs = true, bool const & mw = false)
+void find(BufferView * bv, FuncRequest const & ev)
{
- LyXParagraph * par = bv->text->cursor.par();
- LyXParagraph::size_type pos = bv->text->cursor.pos();
-
- do {
- if (pos > 0)
- --pos;
- else {
- // We skip empty paragraphs (Asger)
- do {
- par = par->Previous();
- if (par)
- pos = par->Last() - 1;
- } while (par && pos < 0);
+ if (!bv || ev.action != LFUN_WORD_FIND)
+ return;
+
+ lyxerr << "find called, cmd: " << ev << std::endl;
+
+ // data is of the form
+ // "<search>
+ // <casesensitive> <matchword> <forward>"
+ string search;
+ string howto = split(ev.argument, search, '\n');
+
+ bool casesensitive = parse_bool(howto);
+ bool matchword = parse_bool(howto);
+ bool forward = parse_bool(howto);
+
+ bool const found = ::find(bv, search,
+ casesensitive, matchword, forward);
+
+ if (!found)
+ bv->owner()->message(_("String not found!"));
+}
+
+
+void replace(BufferView * bv, FuncRequest const & ev)
+{
+ if (!bv || ev.action != LFUN_WORD_REPLACE)
+ return;
+
+ // data is of the form
+ // "<search>
+ // <replace>
+ // <casesensitive> <matchword> <all> <forward>"
+ string search;
+ string replace;
+ string howto = split(ev.argument, search, '\n');
+ howto = split(howto, replace, '\n');
+
+ bool casesensitive = parse_bool(howto);
+ bool matchword = parse_bool(howto);
+ bool all = parse_bool(howto);
+ bool forward = parse_bool(howto);
+
+ LyXView * lv = bv->owner();
+
+ int const replace_count = all
+ ? ::replaceAll(bv, search, replace, casesensitive, matchword)
+ : ::replace(bv, search, replace, casesensitive, matchword, forward);
+
+ if (replace_count == 0) {
+ lv->message(_("String not found!"));
+ } else {
+ if (replace_count == 1) {
+ lv->message(_("String has been replaced."));
+ } else {
+ string str = tostr(replace_count);
+ str += _(" strings have been replaced.");
+ lv->message(str);
}
- } while (par && !IsStringInText(par, pos, str, cs, mw));
-
- if (par) {
- bv->text->SetCursor(bv, par, pos);
- return true;
- } else
+ }
+}
+
+
+bool findNextChange(BufferView * bv)
+{
+ if (!bv->available())
+ return false;
+
+ DocIterator cur = DocIterator(bv->cursor());
+
+ if (!findChange(cur))
return false;
+
+ Paragraph const & par = cur.paragraph();
+ pos_type pos = cur.pos();
+
+ Change orig_change = par.lookupChangeFull(pos);
+ pos_type parsize = par.size();
+ pos_type end = pos;
+
+ for (; end != parsize; ++end) {
+ Change change = par.lookupChangeFull(end);
+ if (change != orig_change) {
+ // slight UI optimisation: for replacements, we get
+ // text like : _old_new. Consider that as one change.
+ if (!(orig_change.type == Change::DELETED &&
+ change.type == Change::INSERTED))
+ break;
+ }
+ }
+ pos_type length = end - pos;
+ bv->putSelectionAt(cur, length, true);
+ return true;
}
+} // find namespace
+} // lyx namespace
projects / lyx.git / blobdiff