+/**
+ * \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>
-#include "lyxtext.h"
#include "lyxfind.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 "cursor.h"
+#include "CutAndPaste.h"
+#include "buffer_funcs.h"
+#include "BufferView.h"
#include "debug.h"
+#include "funcrequest.h"
#include "gettext.h"
-#include "insets/insettext.h"
-#include "changes.h"
+#include "lyxtext.h"
+#include "paragraph.h"
+#include "pariterator.h"
+#include "undo.h"
-using namespace lyx::support;
+#include "frontends/Alert.h"
+#include "frontends/Selection.h"
-using lyx::pos_type;
-using std::endl;
+#include "support/convert.h"
+#include "support/docstream.h"
namespace lyx {
-namespace find {
+
+using support::lowercase;
+using support::uppercase;
+using support::split;
+
+using std::advance;
+
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)
+bool parse_bool(docstring & howto)
{
- 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 (howto.empty())
+ return false;
+ docstring var;
+ howto = split(howto, var, ' ');
+ return (var == "1");
+}
+
+
+class MatchString : public std::binary_function<Paragraph, pos_type, bool>
+{
+public:
+ MatchString(docstring 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, pos_type pos) 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 (size != docstring::size_type(i))
+ return false;
- 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;
+ 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;
}
+
+private:
+ // search string
+ docstring 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
-SearchResult searchForward(BufferView * bv, LyXText * text, string const & str,
- bool const & cs, bool const & mw)
+
+bool findBackwards(DocIterator & cur, MatchString const & match)
{
- 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;
- }
+ while (cur) {
+ cur.backwardChar();
+ if (cur.inTexted() && match(cur.paragraph(), cur.pos()))
+ return true;
}
+ return false;
+}
- if (pit != pend) {
- text->setCursor(pit, pos);
- return SR_FOUND;
- } else
- return SR_NOT_FOUND;
+
+bool findChange(DocIterator & cur)
+{
+ for (; cur; cur.forwardPos())
+ if (cur.inTexted() && !cur.paragraph().isUnchanged(cur.pos()))
+ return true;
+ return false;
}
-// 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)
+bool searchAllowed(BufferView * bv, docstring const & str)
{
- ParagraphList::iterator pit = text->cursor.par();
- 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;
+ if (str.empty()) {
+ frontend::Alert::error(_("Search error"),
+ _("Search string is empty"));
+ return false;
}
+ return bv->buffer();
+}
- 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;
+bool find(BufferView * bv, docstring const & searchstr, bool cs, bool mw, bool fw)
+{
+ if (!searchAllowed(bv, searchstr))
+ return false;
- if (pos > 0) {
- --pos;
- } else if (pit != pbegin) {
- --pit;
- pos = pit->size();
- }
- }
+ DocIterator cur = bv->cursor();
- return SR_NOT_FOUND;
-}
+ MatchString const match(searchstr, cs, mw);
+
+ bool found = fw ? findForward(cur, match) : findBackwards(cur, match);
-} // anon namespace
+ if (found)
+ bv->putSelectionAt(cur, searchstr.length(), !fw);
+
+ return found;
+}
-int replace(BufferView * bv,
- string const & searchstr, string const & replacestr,
- bool forward, bool casesens, bool matchwrd, bool replaceall,
- bool once)
+int replaceAll(BufferView * bv,
+ docstring const & searchstr, docstring const & replacestr,
+ bool cs, bool mw)
{
- if (!bv->available() || bv->buffer()->isReadonly())
- return 0;
+ Buffer & buf = *bv->buffer();
- // 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."));
+ if (!searchAllowed(bv, searchstr) || buf.isReadonly())
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;
- }
+ recordUndoFullDocument(bv);
+
+ 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)) {
+ pos_type pos = cur.pos();
+ LyXFont const font
+ = cur.paragraph().getFontSettings(buf.params(), pos);
+ int striked = ssize - cur.paragraph().eraseChars(pos, pos + ssize,
+ buf.params().trackChanges);
+ cur.paragraph().insert(pos, replacestr, font,
+ Change(buf.params().trackChanges ?
+ Change::INSERTED : Change::UNCHANGED));
+ for (int i = 0; i < rsize + striked; ++i)
+ cur.forwardChar();
+ ++num;
}
- 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()))) {
- text->replaceSelectionWithString(replacestr);
- text->setSelectionRange(replacestr.length());
- ++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();
- bv->update();
-
- return replace_count;
+ updateLabels(buf);
+ bv->putSelectionAt(doc_iterator_begin(buf.inset()), 0, false);
+ if (num)
+ buf.markDirty();
+ return num;
}
-bool find(BufferView * bv,
- string const & searchstr, bool forward,
- bool casesens, bool matchwrd)
+bool stringSelected(BufferView * bv, docstring const & searchstr,
+ bool cs, bool mw, bool fw)
{
- if (!bv->available() || searchstr.empty())
+ // 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) || lowercase(str1) != lowercase(str2)) {
+ find(bv, searchstr, cs, mw, fw);
return false;
-
- 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;
-
- 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());
- text->setSelectionRange(searchstr.length());
- } else if (result == SR_NOT_FOUND) {
- bv->unlockInset(bv->theLockingInset());
- found = false;
}
- bv->fitCursor();
- bv->update();
- return found;
+ return true;
}
-SearchResult find(BufferView * bv, LyXText * text,
- string const & searchstr, bool forward,
- bool casesens, bool matchwrd)
+int replace(BufferView * bv, docstring const & searchstr,
+ docstring const & replacestr, bool cs, bool mw, bool fw)
{
- if (text->selection.set())
- text->cursor = forward ?
- text->selection.end : text->selection.start;
+ if (!searchAllowed(bv, searchstr) || bv->buffer()->isReadonly())
+ return 0;
- text->clearSelection();
+ if (!stringSelected(bv, searchstr, cs, mw, fw))
+ return 0;
- SearchResult result = forward ?
- searchForward(bv, text, searchstr, casesens, matchwrd) :
- searchBackward(bv, text, searchstr, casesens, matchwrd);
+ LCursor & cur = bv->cursor();
+ cap::replaceSelectionWithString(cur, replacestr, fw);
+ bv->buffer()->markDirty();
+ find(bv, searchstr, cs, mw, fw);
+ bv->update();
- return result;
+ return 1;
}
+} // namespace anon
-
-SearchResult nextChange(BufferView * bv, LyXText * text, pos_type & length)
+docstring const find2string(docstring const & search,
+ bool casesensitive, bool matchword, bool forward)
{
- ParagraphList::iterator pit = text->cursor.par();
- ParagraphList::iterator pend = text->ownerParagraphs().end();
- pos_type pos = text->cursor.pos();
+ odocstringstream ss;
+ ss << search << '\n'
+ << int(casesensitive) << ' '
+ << int(matchword) << ' '
+ << int(forward);
+ return ss.str();
+}
- while (pit != pend) {
- pos_type parsize = pit->size();
- if (pos < parsize) {
- if ((!parsize || pos != parsize)
- && pit->lookupChange(pos) != Change::UNCHANGED)
- break;
+docstring const replace2string(docstring const & search, docstring const & replace,
+ bool casesensitive, bool matchword,
+ bool all, bool forward)
+{
+ odocstringstream ss;
+ ss << search << '\n'
+ << replace << '\n'
+ << int(casesensitive) << ' '
+ << int(matchword) << ' '
+ << int(all) << ' '
+ << int(forward);
+ return ss.str();
+}
- if (pit->isInset(pos) && pit->getInset(pos)->isTextInset()) {
- UpdatableInset * inset = (UpdatableInset *)pit->getInset(pos);
- if (inset->nextChange(bv, length))
- return SR_FOUND_NOUPDATE;
- }
- }
- ++pos;
+void find(BufferView * bv, FuncRequest const & ev)
+{
+ if (!bv || ev.action != LFUN_WORD_FIND)
+ return;
- if (pos >= parsize) {
- ++pit;
- pos = 0;
- }
- }
+ //lyxerr << "find called, cmd: " << ev << std::endl;
- if (pit == pend)
- return SR_NOT_FOUND;
+ // data is of the form
+ // "<search>
+ // <casesensitive> <matchword> <forward>"
+ docstring search;
+ docstring howto = split(ev.argument(), search, '\n');
- text->setCursor(pit, pos);
- Change orig_change = pit->lookupChangeFull(pos);
- pos_type parsize = pit->size();
- pos_type end = pos;
+ bool casesensitive = parse_bool(howto);
+ bool matchword = parse_bool(howto);
+ bool forward = parse_bool(howto);
- 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;
+ bool const found = find(bv, search,
+ casesensitive, matchword, forward);
+
+ if (!found)
+ // emit message signal.
+ bv->message(_("String not found!"));
}
-SearchResult findNextChange(BufferView * bv, LyXText * text, pos_type & length)
+void replace(BufferView * bv, FuncRequest const & ev)
{
- if (text->selection.set())
- text->cursor = text->selection.end;
-
- text->clearSelection();
-
- return nextChange(bv, text, length);
+ if (!bv || ev.action != LFUN_WORD_REPLACE)
+ return;
+
+ // data is of the form
+ // "<search>
+ // <replace>
+ // <casesensitive> <matchword> <all> <forward>"
+ docstring search;
+ docstring rplc;
+ docstring howto = split(ev.argument(), search, '\n');
+ howto = split(howto, rplc, '\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 const replace_count = all
+ ? replaceAll(bv, search, rplc, casesensitive, matchword)
+ : replace(bv, search, rplc, casesensitive, matchword, forward);
+
+ if (replace_count == 0) {
+ // emit message signal.
+ buf->message(_("String not found!"));
+ } else {
+ if (replace_count == 1) {
+ // emit message signal.
+ buf->message(_("String has been replaced."));
+ } else {
+ docstring str = convert<docstring>(replace_count);
+ str += _(" strings have been replaced.");
+ // emit message signal.
+ buf->message(str);
+ }
+ }
}
bool findNextChange(BufferView * bv)
{
- if (!bv->available())
+ if (!bv->buffer())
return false;
- pos_type length;
+ DocIterator cur = bv->cursor();
- 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;
-
- text->clearSelection();
+ if (!findChange(cur))
+ return false;
- SearchResult result = nextChange(bv, text, length);
+ bv->cursor().setCursor(cur);
+ bv->cursor().resetAnchor();
- bool found = true;
+ Change orig_change = cur.paragraph().lookupChange(cur.pos());
- // 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;
+ DocIterator et = doc_iterator_end(cur.inset());
+ for (; cur != et; cur.forwardPosNoDescend()) {
+ Change change = cur.paragraph().lookupChange(cur.pos());
+ if (change != orig_change) {
+ break;
+ }
}
+ // Now put cursor to end of selection:
+ bv->cursor().setCursor(cur);
+ bv->cursor().setSelection();
+ theSelection().haveSelection(bv->cursor().selection());
- bv->fitCursor();
- bv->update();
-
- return found;
+ return true;
}
-} // find namespace
} // lyx namespace
projects / lyx.git / blobdiff