#include <config.h>
-#ifdef __GNUG__
-#pragma implementation
-#endif
-
#include "lyxtext.h"
#include "lyxfind.h"
-#include "LyXView.h"
-#include "lyx_gui_misc.h"
+#include "paragraph.h"
+#include "frontends/LyXView.h"
+#include "frontends/Alert.h"
#include "support/textutils.h"
#include "support/lstrings.h"
#include "BufferView.h"
#include "buffer.h"
+#include "debug.h"
#include "gettext.h"
+#include "insets/insettext.h"
+#include "changes.h"
-int LyXReplace(BufferView * bv,
- string const & searchstr,
- string const & replacestr,
- bool const & casesens,
- bool const & matchwrd,
- bool const & forward,
- bool const & replaceall)
-{
- 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;
-}
+using namespace lyx::support;
-bool LyXFind(BufferView * bv,
- string const & searchstr,
- bool const & casesens,
- bool const & matchwrd,
- bool const & forward)
-{
- 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;
-}
+using lyx::pos_type;
+using std::endl;
+
+namespace lyx {
+namespace find {
+namespace {
// returns true if the specified string is at the specified position
-bool IsStringInText(LyXParagraph * par, LyXParagraph::size_type pos,
+bool isStringInText(Paragraph const & par, pos_type pos,
string const & str, bool const & cs,
bool const & mw)
{
- if (!par)
- return false;
-
string::size_type size = str.length();
- LyXParagraph::size_type i = 0;
- while (((pos + i) < par->size())
+ pos_type i = 0;
+ pos_type parsize = par.size();
+ while (((pos + i) < parsize)
&& (string::size_type(i) < size)
- && (cs ? (str[i] == par->GetChar(pos + i))
- : (toupper(str[i]) == toupper(par->GetChar(pos + i)))))
- {
+ && (cs ? (str[i] == par.getChar(pos + i))
+ : (uppercase(str[i]) == uppercase(par.getChar(pos + i))))) {
++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->size()
- || !IsLetterCharOrDigit(par->GetChar(pos + size))))
- )
- )
- return true;
+ // if necessary, check whether string matches word
+ if (!mw)
+ return true;
+ if ((pos <= 0 || !IsLetterCharOrDigit(par.getChar(pos - 1)))
+ && (pos + pos_type(size) >= parsize
+ || !IsLetterCharOrDigit(par.getChar(pos + size)))) {
+ 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, bool const & mw)
+SearchResult searchForward(BufferView * bv, LyXText * text, string const & str,
+ bool const & cs, bool const & mw)
{
- 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->size() - 1)
- ++pos;
- else {
+ ParagraphList::iterator pit = text->cursor.par();
+ ParagraphList::iterator pend = text->ownerParagraphs().end();
+ pos_type pos = text->cursor.pos();
+ UpdatableInset * inset;
+
+ while (pit != pend && !isStringInText(*pit, pos, str, cs, mw)) {
+ if (pos < pit->size()
+ && pit->isInset(pos)
+ && (inset = (UpdatableInset *)pit->getInset(pos))
+ && inset->isTextInset()
+ && inset->searchForward(bv, str, cs, mw))
+ return SR_FOUND_NOUPDATE;
+
+ if (++pos >= pit->size()) {
+ ++pit;
pos = 0;
- par = par->next();
}
}
- if (par) {
- bv->text->SetCursor(bv, par, pos);
- return true;
- }
- else
- return false;
+
+ if (pit != pend) {
+ text->setCursor(pit, pos);
+ return SR_FOUND;
+ } else
+ return SR_NOT_FOUND;
}
// 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, bool const & mw)
+SearchResult searchBackward(BufferView * bv, LyXText * text,
+ string const & str,
+ bool const & cs, bool const & mw)
{
- LyXParagraph * par = bv->text->cursor.par();
- LyXParagraph::size_type pos = bv->text->cursor.pos();
+ ParagraphList::iterator pit = text->cursor.par();
+ ParagraphList::iterator pbegin = text->ownerParagraphs().begin();
+ pos_type pos = text->cursor.pos();
- do {
- if (pos > 0)
+ // skip past a match at the current cursor pos
+ if (pos > 0) {
+ --pos;
+ } else if (pit != pbegin) {
+ --pit;
+ pos = pit->size();
+ } else {
+ return SR_NOT_FOUND;
+ }
+
+ while (true) {
+ if (pos < pit->size()) {
+ if (pit->isInset(pos) && pit->getInset(pos)->isTextInset()) {
+ UpdatableInset * inset = (UpdatableInset *)pit->getInset(pos);
+ if (inset->searchBackward(bv, str, cs, mw))
+ return SR_FOUND_NOUPDATE;
+ }
+
+ if (isStringInText(*pit, pos, str, cs, mw)) {
+ text->setCursor(pit, pos);
+ return SR_FOUND;
+ }
+ }
+
+ if (pos == 0 && pit == pbegin)
+ break;
+
+ if (pos > 0) {
--pos;
- else {
- // We skip empty paragraphs (Asger)
- do {
- par = par->previous();
- if (par)
- pos = par->size() - 1;
- } while (par && pos < 0);
+ } else if (pit != pbegin) {
+ --pit;
+ pos = pit->size();
}
- } while (par && !IsStringInText(par, pos, str, cs, mw));
-
- if (par) {
- bv->text->SetCursor(bv, par, pos);
- return true;
- } else
+ }
+
+ return SR_NOT_FOUND;
+}
+
+} // anon namespace
+
+
+int replace(BufferView * bv,
+ string const & searchstr, string const & replacestr,
+ bool forward, bool casesens, bool matchwrd, bool replaceall,
+ bool once)
+{
+ if (!bv->available() || bv->buffer()->isReadonly())
+ return 0;
+
+ // 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] == ' ')) {
+#ifdef WITH_WARNINGS
+#warning BLECH. If we have an LFUN for replace, we can sort of fix this bogosity
+#endif
+ Alert::error(_("Cannot replace"),
+ _("You cannot replace a single space or "
+ "an empty character."));
+ return 0;
+ }
+
+ // now we can start searching for the first
+ // start at top if replaceall
+ LyXText * text = bv->getLyXText();
+ bool fw = forward;
+ if (replaceall) {
+ text->clearSelection();
+ bv->unlockInset(bv->theLockingInset());
+ text = bv->text;
+ text->cursorTop();
+ // 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
+ string str1;
+ string str2;
+ if (casesens) {
+ str1 = searchstr;
+ str2 = text->selectionAsString(bv->buffer(), false);
+ } else {
+ str1 = lowercase(searchstr);
+ str2 = lowercase(text->selectionAsString(bv->buffer(), false));
+ }
+ if (str1 != str2) {
+ if (!find(bv, searchstr, fw, casesens, matchwrd) ||
+ !replaceall) {
+ return 0;
+ }
+ }
+
+ bool found = false;
+ int replace_count = 0;
+ do {
+ text = bv->getLyXText();
+ // We have to do this check only because mathed insets don't
+ // return their own LyXText but the LyXText of it's parent!
+ if (!bv->theLockingInset() ||
+ ((text != bv->text) &&
+ (text->inset_owner == text->inset_owner->getLockingInset()))) {
+ bv->update(text, BufferView::SELECT);
+ bv->toggleSelection(false);
+ text->replaceSelectionWithString(replacestr);
+ text->setSelectionRange(replacestr.length());
+ bv->update(text, BufferView::SELECT);
+ ++replace_count;
+ }
+ if (!once)
+ found = find(bv, searchstr, fw, casesens, matchwrd);
+ } while (!once && replaceall && found);
+
+ // FIXME: should be called via an LFUN
+ bv->buffer()->markDirty();
+ bv->fitCursor();
+
+ return replace_count;
+}
+
+
+bool find(BufferView * bv,
+ string const & searchstr, bool forward,
+ bool casesens, bool matchwrd)
+{
+ if (!bv->available() || searchstr.empty())
return false;
+
+ bv->update(bv->getLyXText(), BufferView::SELECT);
+
+ if (bv->theLockingInset()) {
+ bool found = forward ?
+ bv->theLockingInset()->searchForward(bv, searchstr, casesens, matchwrd) :
+ bv->theLockingInset()->searchBackward(bv, searchstr, casesens, matchwrd);
+ // We found the stuff inside the inset so we don't have to
+ // do anything as the inset did all the update for us!
+ if (found)
+ return true;
+ // We now are in the main text but if we did a forward
+ // search we have to put the cursor behind the inset.
+ if (forward) {
+ bv->text->cursorRight(true);
+ }
+ }
+ // If we arrive here we are in the main text again so we
+ // just start searching from the root LyXText at the position
+ // we are!
+ LyXText * text = bv->text;
+
+
+ if (text->selection.set())
+ text->cursor = forward ?
+ text->selection.end : text->selection.start;
+
+ bv->toggleSelection();
+ text->clearSelection();
+
+ SearchResult result = forward ?
+ searchForward(bv, text, searchstr, casesens, matchwrd) :
+ searchBackward(bv, text, searchstr, casesens, matchwrd);
+
+ bool found = true;
+ // If we found the cursor inside an inset we will get back
+ // SR_FOUND_NOUPDATE and we don't have to do anything as the
+ // inset did it already.
+ if (result == SR_FOUND) {
+ bv->unlockInset(bv->theLockingInset());
+ bv->update(text, BufferView::SELECT);
+ text->setSelectionRange(searchstr.length());
+ bv->toggleSelection(false);
+ bv->update(text, BufferView::SELECT);
+ } else if (result == SR_NOT_FOUND) {
+ bv->unlockInset(bv->theLockingInset());
+ bv->update(text, BufferView::SELECT);
+ found = false;
+ }
+
+ bv->fitCursor();
+
+ return found;
+}
+
+
+SearchResult find(BufferView * bv, LyXText * text,
+ string const & searchstr, bool forward,
+ bool casesens, bool matchwrd)
+{
+ if (text->selection.set())
+ text->cursor = forward ?
+ text->selection.end : text->selection.start;
+
+ bv->toggleSelection();
+ text->clearSelection();
+
+ SearchResult result = forward ?
+ searchForward(bv, text, searchstr, casesens, matchwrd) :
+ searchBackward(bv, text, searchstr, casesens, matchwrd);
+
+ return result;
+}
+
+
+
+
+SearchResult nextChange(BufferView * bv, LyXText * text, pos_type & length)
+{
+ ParagraphList::iterator pit = text->cursor.par();
+ ParagraphList::iterator pend = text->ownerParagraphs().end();
+ pos_type pos = text->cursor.pos();
+
+ while (pit != pend) {
+ pos_type parsize = pit->size();
+
+ if (pos < parsize) {
+ if ((!parsize || pos != parsize)
+ && pit->lookupChange(pos) != Change::UNCHANGED)
+ break;
+
+ if (pit->isInset(pos) && pit->getInset(pos)->isTextInset()) {
+ UpdatableInset * inset = (UpdatableInset *)pit->getInset(pos);
+ if (inset->nextChange(bv, length))
+ return SR_FOUND_NOUPDATE;
+ }
+ }
+
+ ++pos;
+
+ if (pos >= parsize) {
+ ++pit;
+ pos = 0;
+ }
+ }
+
+ if (pit == pend)
+ return SR_NOT_FOUND;
+
+ text->setCursor(pit, pos);
+ Change orig_change = pit->lookupChangeFull(pos);
+ pos_type parsize = pit->size();
+ pos_type end = pos;
+
+ for (; end != parsize; ++end) {
+ Change change = pit->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;
+ }
+ }
+ length = end - pos;
+ return SR_FOUND;
+}
+
+
+SearchResult findNextChange(BufferView * bv, LyXText * text, pos_type & length)
+{
+ if (text->selection.set())
+ text->cursor = text->selection.end;
+
+ bv->toggleSelection();
+ text->clearSelection();
+
+ return nextChange(bv, text, length);
+}
+
+
+bool findNextChange(BufferView * bv)
+{
+ if (!bv->available())
+ return false;
+
+ bv->update(bv->getLyXText(), BufferView::SELECT);
+
+ pos_type length;
+
+ if (bv->theLockingInset()) {
+ bool found = bv->theLockingInset()->nextChange(bv, length);
+
+ // We found the stuff inside the inset so we don't have to
+ // do anything as the inset did all the update for us!
+ if (found)
+ return true;
+
+ // We now are in the main text but if we did a forward
+ // search we have to put the cursor behind the inset.
+ bv->text->cursorRight(true);
+ }
+ // If we arrive here we are in the main text again so we
+ // just start searching from the root LyXText at the position
+ // we are!
+ LyXText * text = bv->text;
+
+ if (text->selection.set())
+ text->cursor = text->selection.end;
+
+ bv->toggleSelection();
+ text->clearSelection();
+
+ SearchResult result = nextChange(bv, text, length);
+
+ bool found = true;
+
+ // If we found the cursor inside an inset we will get back
+ // SR_FOUND_NOUPDATE and we don't have to do anything as the
+ // inset did it already.
+ if (result == SR_FOUND) {
+ bv->unlockInset(bv->theLockingInset());
+ bv->update(text, BufferView::SELECT);
+ text->setSelectionRange(length);
+ bv->toggleSelection(false);
+ bv->update(text, BufferView::SELECT);
+ } else if (result == SR_NOT_FOUND) {
+ bv->unlockInset(bv->theLockingInset());
+ bv->update(text, BufferView::SELECT);
+ found = false;
+ }
+
+ bv->fitCursor();
+
+ return found;
}
+} // find namespace
+} // lyx namespace