+ if (filen.empty())
+ return false;
+
+ string const fname = MakeAbsPath(filen);
+
+ // check if file exist
+ FileInfo const fi(fname);
+
+ if (!fi.readable()) {
+ Alert::alert(_("Error!"),
+ _("Specified file is unreadable: "),
+ MakeDisplayPath(fname, 50));
+ return false;
+ }
+
+ beforeChange(text);
+
+ ifstream ifs(fname.c_str());
+ if (!ifs) {
+ Alert::err_alert(_("Error! Cannot open specified file:"),
+ MakeDisplayPath(fname, 50));
+ return false;
+ }
+
+ int const c = ifs.peek();
+
+ LyXLex lex(0, 0);
+ lex.setStream(ifs);
+
+ bool res = true;
+
+ if (c == '#') {
+ lyxerr[Debug::INFO] << "Will insert file with header" << endl;
+ res = buffer()->readFile(lex, fname, text->cursor.par());
+ } else {
+ lyxerr[Debug::INFO] << "Will insert file without header"
+ << endl;
+ res = buffer()->readLyXformat2(lex, text->cursor.par());
+ }
+
+ resize();
+ return res;
+}
+
+
+bool BufferView::removeAutoInsets()
+{
+ // keep track of which pos and par the cursor was on
+ Paragraph * cursor_par = text->cursor.par();
+ Paragraph * cursor_par_prev = cursor_par ? cursor_par->previous() : 0;
+ Paragraph * cursor_par_next = cursor_par ? cursor_par->next() : 0;
+ pos_type cursor_pos = text->cursor.pos();
+
+ bool found = false;
+
+ // Trap the deletion of the paragraph the cursor is in.
+ // Iterate until we find a paragraph that won't be immediately deleted.
+ // In reality this should mean we only execute the body of the while
+ // loop once at most. However for safety we iterate rather than just
+ // make this an if () conditional.
+ while ((cursor_par_prev || cursor_par_next)
+ && text->setCursor(this,
+ cursor_par_prev ? cursor_par_prev : cursor_par_next,
+ 0)) {
+ // We just removed cursor_par so have to fix the "cursor"
+ if (cursor_par_prev) {
+ // '.' = cursor_par
+ // a -> a.
+ // .
+ cursor_par = cursor_par_prev;
+ cursor_pos = cursor_par->size();
+ } else {
+ // . -> .a
+ // a
+ cursor_par = cursor_par_next;
+ cursor_pos = 0;
+ }
+ cursor_par_prev = cursor_par->previous();
+ cursor_par_next = cursor_par->next();
+ }
+
+ // Iterate through the paragraphs removing autoDelete insets as we go.
+ // If the paragraph ends up empty after all the autoDelete insets are
+ // removed that paragraph will be removed by the next setCursor() call.
+ ParIterator it = buffer()->par_iterator_begin();
+ ParIterator end = buffer()->par_iterator_end();
+ for (; it != end; ++it) {
+ Paragraph * par = *it;
+ Paragraph * par_prev = par ? par->previous() : 0;
+ bool removed = false;
+
+ if (text->setCursor(this, par, 0)
+ && cursor_par == par_prev) {
+ // The previous setCursor line was deleted and that
+ // was the cursor_par line. This can only happen if an
+ // error box was the sole item on cursor_par.
+ // It is possible for cursor_par_prev to be stray if
+ // the line it pointed to only had a error box on it
+ // so we have to set it to a known correct value.
+ // This is often the same value it already had.
+ cursor_par_prev = par->previous();
+ if (cursor_par_prev) {
+ // '|' = par, '.' = cursor_par, 'E' = error box
+ // First step below may occur before while{}
+ // a |a a a a.
+ // E -> .E -> |.E -> . -> |b
+ // . b b |b
+ // b
+ cursor_par = cursor_par_prev;
+ cursor_pos = cursor_par_prev->size();
+ cursor_par_prev = cursor_par->previous();
+ // cursor_par_next remains the same
+ } else if (cursor_par_next) {
+ // First step below may occur before while{}
+ // .
+ // E -> |.E -> |. -> . -> .|a
+ // a a a |a
+ cursor_par = cursor_par_next;
+ cursor_pos = 0;
+ // cursor_par_prev remains unset
+ cursor_par_next = cursor_par->next();
+ } else {
+ // I can't find a way to trigger this
+ // so it should be unreachable code
+ // unless the buffer is corrupted.
+ lyxerr << "BufferView::removeAutoInsets() is bad\n";
+ }
+ }
+
+ InsetList::iterator pit = par->insetlist.begin();
+ InsetList::iterator pend = par->insetlist.end();
+
+ while (pit != pend) {
+ if (pit.getInset()->autoDelete()) {
+ removed = true;
+ pos_type const pos = pit.getPos();
+
+ par->erase(pos);
+ // We just invalidated par's inset iterators so
+ // we get the next valid iterator position
+ pit = par->insetlist.insetIterator(pos);
+ // and ensure we have a valid end iterator.
+ pend = par->insetlist.end();
+
+ if (cursor_par == par) {
+ // update the saved cursor position
+ if (cursor_pos > pos)
+ --cursor_pos;
+ }
+ } else {
+ ++pit;
+ }
+ }
+ if (removed) {
+ found = true;
+ text->redoParagraph(this);
+ }
+ }
+
+ // It is possible that the last line is empty if it was cursor_par
+ // and/or only had an error inset on it. So we set the cursor to the
+ // start of the doc to force its removal and ensure a valid saved cursor
+ if (text->setCursor(this, text->ownerParagraph(), 0)
+ && 0 == cursor_par_next) {
+ cursor_par = cursor_par_prev;
+ cursor_pos = cursor_par->size();
+ } else if (cursor_pos > cursor_par->size()) {
+ // Some C-Enter lines were removed by the setCursor call which
+ // then invalidated cursor_pos. It could still be "wrong" because
+ // the cursor may appear to have jumped but since we collapsed
+ // some C-Enter lines this should be a reasonable compromise.
+ cursor_pos = cursor_par->size();
+ }
+
+ // restore the original cursor in its corrected location.
+ text->setCursorIntern(this, cursor_par, cursor_pos);
+
+ return found;
+}
+
+
+void BufferView::insertErrors(TeXErrors & terr)
+{
+ // Save the cursor position
+ LyXCursor cursor = text->cursor;
+
+ TeXErrors::Errors::const_iterator cit = terr.begin();
+ TeXErrors::Errors::const_iterator end = terr.end();
+ for (; cit != end; ++cit) {
+ string const desctext(cit->error_desc);
+ string const errortext(cit->error_text);
+ string const msgtxt = desctext + '\n' + errortext;
+ int const errorrow = cit->error_in_line;
+
+ // Insert error string for row number
+ int tmpid = -1;
+ int tmppos = -1;
+
+ if (buffer()->texrow.getIdFromRow(errorrow, tmpid, tmppos)) {
+ buffer()->texrow.increasePos(tmpid, tmppos);
+ }
+
+ Paragraph * texrowpar = 0;
+
+ if (tmpid == -1) {
+ texrowpar = text->ownerParagraph();
+ tmppos = 0;
+ } else {
+ texrowpar = buffer()->getParFromID(tmpid);
+ }
+
+ if (texrowpar == 0)
+ continue;
+
+ freezeUndo();
+ InsetError * new_inset = new InsetError(msgtxt);
+ text->setCursorIntern(this, texrowpar, tmppos);
+ text->insertInset(this, new_inset);
+ text->fullRebreak(this);
+ unFreezeUndo();
+ }
+ // Restore the cursor position
+ text->setCursorIntern(this, cursor.par(), cursor.pos());