/* Remove the magicline from filebot, if there is one and it isn't the
* only line in the file. Assume that edittop and current are not at
* filebot. */
void remove_magicline(void)
{
if (openfile->filebot->data[0] == '\0' &&
openfile->filebot != openfile->fileage) {
assert(openfile->filebot != openfile->edittop && openfile->filebot != openfile->current);
openfile->filebot = openfile->filebot->prev;
free_filestruct(openfile->filebot->next);
openfile->filebot->next = NULL;
openfile->totsize--;
}
}
/* Move text from the current linestruct into the cutbuffer. If
* copy_text is TRUE, copy the text back into the linestruct afterward.
* If cut_till_eof is TRUE, move all text from the current cursor
* position to the end of the file into the cutbuffer. */
void do_cut_text(
#ifndef NANO_TINY
bool copy_text, bool cut_till_eof, bool undoing
#else
void
#endif
)
{
#ifndef NANO_TINY
linestruct *cb_save = NULL;
/* The current end of the cutbuffer, before we add text to
* it. */
size_t cb_save_len = 0;
/* The length of the string at the current end of the cutbuffer,
* before we add text to it. */
bool old_no_newlines = ISSET(NO_NEWLINES);
#endif
assert(openfile->current != NULL && openfile->current->data != NULL);
/* If keep_cutbuffer is FALSE and the cutbuffer isn't empty, blow
* away the text in the cutbuffer. */
if (!keep_cutbuffer && cutbuffer != NULL) {
free_filestruct(cutbuffer);
cutbuffer = NULL;
#ifdef DEBUG
fprintf(stderr, "Blew away cutbuffer =)\n");
#endif
}
#ifndef NANO_TINY
if (copy_text) {
if (cutbuffer != NULL) {
/* If the cutbuffer isn't empty, save where it currently
* ends. This is where we'll add the new text. */
cb_save = cutbottom;
cb_save_len = strlen(cutbottom->data);
}
/* Set NO_NEWLINES to TRUE, so that we don't disturb the last
* line of the file when moving text to the cutbuffer. */
SET(NO_NEWLINES);
}
#endif
/* Set keep_cutbuffer to TRUE, so that the text we're going to move
* into the cutbuffer will be added to the text already in the
* cutbuffer instead of replacing it. */
keep_cutbuffer = TRUE;
#ifndef NANO_TINY
if (cut_till_eof) {
/* If cut_till_eof is TRUE, move all text up to the end of the
* file into the cutbuffer. */
cut_to_eof();
} else if (openfile->mark_set) {
/* If the mark is on, move the marked text to the cutbuffer, and
* turn the mark off. */
cut_marked();
openfile->mark_set = FALSE;
} else if (ISSET(CUT_TO_END))
/* If the CUT_TO_END flag is set, move all text up to the end of
* the line into the cutbuffer. */
cut_to_eol();
else
#endif
/* Move the entire line into the cutbuffer. */
cut_line();
#ifndef NANO_TINY
if (copy_text) {
/* Copy the text in the cutbuffer, starting at its saved end if
* there is one, back into the linestruct. This effectively
* uncuts the text we just cut without marking the file as
* modified. */
if (cutbuffer != NULL) {
if (cb_save != NULL) {
cb_save->data += cb_save_len;
copy_from_filestruct(cb_save);
cb_save->data -= cb_save_len;
} else
copy_from_filestruct(cutbuffer);
/* Set the current place we want to where the text from the
* cutbuffer ends. */
openfile->placewewant = xplustabs();
}
/* Set NO_NEWLINES back to what it was before, since we're done
* disturbing the text. */
if (!old_no_newlines)
UNSET(NO_NEWLINES);
} else if (!undoing)
update_undo(cut_till_eof ? CUT_EOF : CUT);
/* Leave the text in the cutbuffer, and mark the file as
* modified. */
if (!copy_text)
#endif /* !NANO_TINY */
set_modified();
/* Update the screen. */
edit_refresh_needed = TRUE;
#ifndef DISABLE_COLOR
reset_multis(openfile->current, FALSE);
#endif
#ifdef DEBUG
dump_filestruct(cutbuffer);
#endif
}
