-#include <config.h>
+/**
+ * \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
+ *
+ * Full author contact details are available in file CREDITS.
+ */
-#ifdef __GNUG__
-#pragma implementation
-#endif
+#include <config.h>
-#include "lyxtext.h"
#include "lyxfind.h"
-#include "LyXView.h"
-#include "lyx_gui_misc.h"
-#include "support/textutils.h"
-#include "support/lstrings.h"
-#include "BufferView.h"
+
#include "buffer.h"
+#include "BufferView.h"
#include "gettext.h"
+#include "lyxtext.h"
+#include "paragraph.h"
+
+#include "frontends/Alert.h"
+
+#include "insets/insettext.h"
+
+#include "support/textutils.h"
+
+using lyx::support::lowercase;
+using lyx::support::uppercase;
+
+using std::string;
+
+namespace lyx {
+namespace find {
+
+
+namespace {
+
+// returns true if the specified string is at the specified position
+bool isStringInText(Paragraph const & par, pos_type pos,
+ string const & str, bool const & cs,
+ bool const & mw)
+{
+ string::size_type size = str.length();
+ 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))
+ : (uppercase(str[i]) == uppercase(par.getChar(pos + i))))) {
+ ++i;
+ }
+
+ if (size == string::size_type(i)) {
+ // 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
+SearchResult searchForward(BufferView * bv, LyXText * text, string const & str,
+ bool const & cs, bool const & mw)
+{
+ ParagraphList::iterator pit = text->cursorPar();
+ 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;
+ }
+ }
+
+ if (pit != pend) {
+ text->setCursor(pit, pos);
+ return SR_FOUND;
+ }
+ 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
+SearchResult searchBackward(BufferView * bv, LyXText * text,
+ string const & str,
+ bool const & cs, bool const & mw)
+{
+ ParagraphList::iterator pit = text->cursorPar();
+ ParagraphList::iterator pbegin = text->ownerParagraphs().begin();
+ pos_type pos = text->cursor.pos();
+
+ // 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 if (pit != pbegin) {
+ --pit;
+ pos = pit->size();
+ }
+ }
+
+ return SR_NOT_FOUND;
+}
-///
-// locally used enum
-///
-enum SearchResult {
- //
- SR_NOT_FOUND = 0,
- //
- SR_FOUND,
- //
- SR_FOUND_NOUPDATE
-};
-
-
-/// returns true if the specified string is at the specified position
-bool IsStringInText(Paragraph * par, Paragraph::size_type pos,
- string const & str, bool const & = true,
- bool const & = false);
-
-/// if the string is found: return true and set the cursor to the new position
-SearchResult SearchForward(BufferView *, LyXText * text, string const & str,
- bool const & = true, bool const & = false);
-///
-SearchResult SearchBackward(BufferView *, LyXText * text, string const & str,
- bool const & = true, bool const & = false);
-
-
-int LyXReplace(BufferView * bv,
- string const & searchstr, string const & replacestr,
- bool forward, bool casesens, bool matchwrd, bool replaceall,
- bool once)
+} // 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())
+ 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] == ' '))
- {
- WriteAlert(_("Sorry!"), _("You cannot replace a single space, "
- "nor an empty character."));
+ || (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;
}
-
- LyXText * text = bv->getLyXText();
- // now we can start searching for the first
+ // now we can start searching for the first
// start at top if replaceall
+ LyXText * text = bv->getLyXText();
bool fw = forward;
if (replaceall) {
text->clearSelection();
- if (text->inset_owner) {
- bv->unlockInset(bv->theLockingInset());
- text = bv->text;
- }
- text->cursorTop(bv);
+ 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());
+ str2 = text->selectionAsString(*bv->buffer(), false);
} else {
str1 = lowercase(searchstr);
- str2 = lowercase(text->selectionAsString(bv->buffer()));
+ str2 = lowercase(text->selectionAsString(*bv->buffer(), false));
}
if (str1 != str2) {
- if (!LyXFind(bv, searchstr, fw, false, casesens, matchwrd) ||
- !replaceall)
- {
+ if (!find(bv, searchstr, fw, casesens, matchwrd) ||
+ !replaceall) {
return 0;
}
}
bool found = false;
int replace_count = 0;
do {
- bv->hideCursor();
- bv->update(bv->getLyXText(), BufferView::SELECT|BufferView::FITCUR);
- bv->toggleSelection(false);
- bv->getLyXText()->replaceSelectionWithString(bv, replacestr);
- bv->getLyXText()->setSelectionOverString(bv, replacestr);
- bv->update(bv->getLyXText(), BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
- ++replace_count;
+ 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()))) {
+ text->replaceSelectionWithString(replacestr);
+ text->setSelectionRange(replacestr.length());
+ ++replace_count;
+ }
if (!once)
- found = LyXFind(bv, searchstr, fw, false, casesens, matchwrd);
+ found = find(bv, searchstr, fw, casesens, matchwrd);
} while (!once && replaceall && found);
-
- if (bv->focus())
- bv->showCursor();
-
+
+ // FIXME: should be called via an LFUN
+ bv->buffer()->markDirty();
+ bv->update();
+
return replace_count;
}
-bool LyXFind(BufferView * bv,
- string const & searchstr, bool forward,
- bool frominset, bool casesens, bool matchwrd)
+
+bool find(BufferView * bv,
+ string const & searchstr, bool forward,
+ bool casesens, bool matchwrd)
{
if (!bv->available() || searchstr.empty())
return false;
-
- LyXText * text = bv->getLyXText();
- bv->hideCursor();
- bv->update(text, BufferView::SELECT|BufferView::FITCUR);
-
- if (text->selection.set())
- text->cursor = forward ?
- text->selection.end : text->selection.start;
-
- SearchResult result = SR_NOT_FOUND;
-
- if (!frominset && bv->theLockingInset()) {
+ 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)
- result = SR_FOUND_NOUPDATE;
- else {
- text = bv->getLyXText();
- Paragraph * par = text->cursor.par();
- Paragraph::size_type pos = text->cursor.pos();
- if (forward) {
- if (pos < par->size() - 1)
- ++pos;
- else {
- pos = 0;
- par = par->next();
- }
- if (par)
- text->setCursor(bv, par, pos);
- }
- if (par) {
- result = forward ?
- SearchForward(bv, text, searchstr, casesens, matchwrd) :
- SearchBackward(bv, text, searchstr, casesens, matchwrd);
- }
+ 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);
}
- } else {
- result = forward ?
- SearchForward(bv, text, searchstr, casesens, matchwrd) :
- SearchBackward(bv, text, searchstr, casesens, matchwrd);
}
+ // 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;
+
+ 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) {
- // the actual text pointer could have changed!
- bv->update(bv->getLyXText(), BufferView::SELECT|BufferView::FITCUR);
- bv->toggleSelection();
- bv->getLyXText()->clearSelection();
- bv->getLyXText()->setSelectionOverString(bv, searchstr);
- bv->toggleSelection(false);
- bv->update(bv->getLyXText(), BufferView::SELECT|BufferView::FITCUR);
- } else if (result == SR_NOT_FOUND)
+ bv->unlockInset(bv->theLockingInset());
+ text->setSelectionRange(searchstr.length());
+ } else if (result == SR_NOT_FOUND) {
+ bv->unlockInset(bv->theLockingInset());
found = false;
-
- if (bv->focus())
- bv->showCursor();
-
+ }
+ bv->update();
+
return found;
}
-// returns true if the specified string is at the specified position
-bool IsStringInText(Paragraph * par, Paragraph::size_type pos,
- string const & str, bool const & cs,
- bool const & mw)
+SearchResult find(BufferView * bv, LyXText * text,
+ string const & searchstr, bool forward,
+ bool casesens, bool matchwrd)
{
- if (!par)
- return false;
-
- string::size_type size = str.length();
- Paragraph::size_type i = 0;
- while (((pos + i) < par->size())
- && (string::size_type(i) < size)
- && (cs ? (str[i] == par->getChar(pos + i))
- : (toupper(str[i]) == toupper(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 + Paragraph::size_type(size) >= par->size()
- || !IsLetterCharOrDigit(par->getChar(pos + size))))
- ))
- {
- return true;
- }
- }
- return false;
+ if (text->selection.set())
+ text->cursor = forward ?
+ text->selection.end : text->selection.start;
+
+ text->clearSelection();
+
+ SearchResult result = forward ?
+ searchForward(bv, text, searchstr, casesens, matchwrd) :
+ searchBackward(bv, text, searchstr, casesens, matchwrd);
+
+ return result;
}
-// forward search:
-// if the string can be found: return true and set the cursor to
-// the new position, cs = casesensitive, mw = matchword
-SearchResult SearchForward(BufferView * bv, LyXText * text, string const & str,
- bool const & cs, bool const & mw)
+
+
+
+SearchResult nextChange(BufferView * bv, LyXText * text, pos_type & length)
{
- Paragraph * par = text->cursor.par();
- Paragraph::size_type pos = text->cursor.pos();
- UpdatableInset * inset;
+ ParagraphList::iterator pit = text->cursorPar();
+ 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;
- while (par && !IsStringInText(par, pos, str, cs, mw)) {
- if (par->isInset(pos) &&
- (inset = (UpdatableInset *)par->getInset(pos)) &&
- (inset->isTextInset()))
- {
- // lock the inset!
- text->setCursor(bv, par, pos);
- inset->edit(bv);
- if (inset->searchForward(bv, str, cs, mw))
- return SR_FOUND_NOUPDATE;
- text = bv->getLyXText();
+ if (pit->isInset(pos) && pit->getInset(pos)->isTextInset()) {
+ UpdatableInset * inset = (UpdatableInset *)pit->getInset(pos);
+ if (inset->nextChange(bv, length))
+ return SR_FOUND_NOUPDATE;
+ }
}
- if (pos < par->size() - 1)
- ++pos;
- else {
+
+ ++pos;
+
+ if (pos >= parsize) {
+ ++pit;
pos = 0;
- par = par->next();
}
}
- if (par) {
- text->setCursor(bv, par, pos);
- return SR_FOUND;
-#if 0
- } else if (text->inset_owner) {
- // test if we're inside an inset if yes unlock the inset
- // and recall us with the outside LyXText!
- bv->unlockInset((UpdatableInset *)text->inset_owner);
- if (!bv->theLockingInset()) {
- text = bv->getLyXText();
- par = text->cursor.par();
- pos = text->cursor.pos();
- if (pos < par->size() - 1)
- ++pos;
- else {
- pos = 0;
- par = par->next();
- }
- if (!par)
- return SR_NOT_FOUND;
- text->setCursor(bv, par, pos);
- return SearchForward(bv, text, str, cs, mw);
- } else {
- return SR_NOT_FOUND;
- }
-#endif
- } else
+
+ 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;
}
-// backward search:
-// if the string can be found: return true and set the cursor to
-// the new position, cs = casesensitive, mw = matchword
-SearchResult SearchBackward(BufferView * bv, LyXText * text,
- string const & str,
- bool const & cs, bool const & mw)
+SearchResult findNextChange(BufferView * bv, LyXText * text, pos_type & length)
{
- Paragraph * par = text->cursor.par();
- Paragraph::size_type pos = text->cursor.pos();
+ if (text->selection.set())
+ text->cursor = text->selection.end;
- do {
- if (pos > 0)
- --pos;
- else {
- // We skip empty paragraphs (Asger)
- do {
- par = par->previous();
- if (par)
- pos = par->size() - 1;
- } while (par && pos < 0);
- }
- UpdatableInset * inset;
- if (par && par->isInset(pos) &&
- (inset = (UpdatableInset *)par->getInset(pos)) &&
- (inset->isTextInset()))
- {
- // lock the inset!
- text->setCursor(bv, par, pos);
- inset->edit(bv, false);
- if (inset->searchBackward(bv, str, cs, mw))
- return SR_FOUND_NOUPDATE;
- text = bv->getLyXText();
- }
- } while (par && !IsStringInText(par, pos, str, cs, mw));
-
- if (par) {
- text->setCursor(bv, par, pos);
- return SR_FOUND;
- } else if (text->inset_owner) {
- // test if we're inside an inset if yes unlock the inset
- // and recall us with the outside LyXText!
- bv->unlockInset((UpdatableInset *)text->inset_owner);
- if (!bv->theLockingInset()) {
- return SearchBackward(bv, bv->getLyXText(), str, cs, mw);
- }
+ text->clearSelection();
+
+ return nextChange(bv, text, length);
+}
+
+
+bool findNextChange(BufferView * bv)
+{
+ if (!bv->available())
+ return false;
+
+ 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);
}
- return SR_NOT_FOUND;
+ // 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;
+
+ 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());
+ text->setSelectionRange(length);
+ } else if (result == SR_NOT_FOUND) {
+ bv->unlockInset(bv->theLockingInset());
+ found = false;
+ }
+
+ bv->update();
+
+ return found;
}
+} // find namespace
+} // lyx namespace
projects / lyx.git / blobdiff