int
mcview__get_nroff_real_len (WView * view, off_t start, off_t length)
{
mcview_nroff_t *nroff;
int ret = 0;
off_t i = 0;
if (!view->text_nroff_mode)
return 0;
nroff = mcview_nroff_seq_new_num (view, start);
if (nroff == NULL)
return 0;
while (i < length)
{
switch (nroff->type)
{
case NROFF_TYPE_BOLD:
ret += 1 + nroff->char_length; /* real char length and 0x8 */
break;
case NROFF_TYPE_UNDERLINE:
ret += 2; /* underline symbol and ox8 */
break;
default:
break;
}
i += nroff->char_length;
mcview_nroff_seq_next (nroff);
}
mcview_nroff_seq_free (&nroff);
return ret;
}
mcview_nroff_t *
mcview_nroff_seq_new (WView * view)
{
return mcview_nroff_seq_new_num (view, (off_t) 0);
}
void
mcview_do_search (mcview_t * view)
{
mcview_search_status_msg_t vsm;
off_t search_start = 0;
gboolean isFound = FALSE;
gboolean need_search_again = TRUE;
size_t match_len;
/* for avoid infinite search loop we need to increase or decrease start offset of search */
if (view->search_start != 0)
{
if (!view->text_nroff_mode)
search_start = view->search_start + (mcview_search_options.backwards ? -2 : 0);
else
{
if (mcview_search_options.backwards)
{
mcview_nroff_t *nroff;
nroff = mcview_nroff_seq_new_num (view, view->search_start);
if (mcview_nroff_seq_prev (nroff) != -1)
search_start =
-(mcview__get_nroff_real_len (view, nroff->index - 1, 2) +
nroff->char_width + 1);
else
search_start = -2;
mcview_nroff_seq_free (&nroff);
}
else
{
search_start = mcview__get_nroff_real_len (view, view->search_start + 1, 2);
}
search_start += view->search_start;
}
}
if (mcview_search_options.backwards && (int) search_start < 0)
search_start = 0;
/* Compute the percent steps */
mcview_search_update_steps (view);
view->update_activate = search_start;
vsm.first = TRUE;
vsm.view = view;
vsm.offset = search_start;
status_msg_init (STATUS_MSG (&vsm), _("Search"), 1.0, simple_status_msg_init_cb,
mcview_search_status_update_cb, NULL);
do
{
off_t growbufsize;
if (view->growbuf_in_use)
growbufsize = mcview_growbuf_filesize (view);
else
growbufsize = view->search->original_len;
if (mcview_find (&vsm, search_start, mcview_get_filesize (view), &match_len))
{
mcview_search_show_result (view, match_len);
need_search_again = FALSE;
isFound = TRUE;
break;
}
if (view->search->error_str == NULL)
break;
search_start = growbufsize - view->search->original_len;
if (search_start <= 0)
{
search_start = 0;
break;
}
}
while (mcview_may_still_grow (view));
status_msg_deinit (STATUS_MSG (&vsm));
if (view->search_start != 0 && !isFound && need_search_again
&& !mcview_search_options.backwards)
{
int result;
mcview_update (view);
result =
query_dialog (_("Search done"), _("Continue from beginning?"), D_NORMAL, 2, _("&Yes"),
_("&No"));
if (result != 0)
isFound = TRUE;
else
search_start = 0;
}
if (!isFound && view->search->error_str != NULL)
{
/* continue search form beginning */
off_t search_end;
search_end = view->search_start;
/* search_start is 0 here */
view->update_activate = search_start;
vsm.first = TRUE;
vsm.view = view;
vsm.offset = search_start;
status_msg_init (STATUS_MSG (&vsm), _("Search"), 1.0, simple_status_msg_init_cb,
mcview_search_status_update_cb, NULL);
if (mcview_find (&vsm, search_start, search_end, &match_len))
{
mcview_search_show_result (view, match_len);
isFound = TRUE;
}
status_msg_deinit (STATUS_MSG (&vsm));
}
if (!isFound && view->search->error_str != NULL)
query_dialog (_("Search"), view->search->error_str, D_NORMAL, 1, _("&Dismiss"));
view->dirty++;
}
void
mcview_do_search (WView * view, off_t want_search_start)
{
mcview_search_status_msg_t vsm;
off_t search_start = 0;
off_t orig_search_start = view->search_start;
gboolean found = FALSE;
size_t match_len;
view->search_start = want_search_start;
/* for avoid infinite search loop we need to increase or decrease start offset of search */
if (view->search_start != 0)
{
if (!view->text_nroff_mode)
search_start = view->search_start + (mcview_search_options.backwards ? -2 : 0);
else
{
if (mcview_search_options.backwards)
{
mcview_nroff_t *nroff;
nroff = mcview_nroff_seq_new_num (view, view->search_start);
if (mcview_nroff_seq_prev (nroff) != -1)
search_start =
-(mcview__get_nroff_real_len (view, nroff->index - 1, 2) +
nroff->char_length + 1);
else
search_start = -2;
mcview_nroff_seq_free (&nroff);
}
else
{
search_start = mcview__get_nroff_real_len (view, view->search_start + 1, 2);
}
search_start += view->search_start;
}
}
if (mcview_search_options.backwards && search_start < 0)
search_start = 0;
/* Compute the percent steps */
mcview_search_update_steps (view);
view->update_activate = search_start;
vsm.first = TRUE;
vsm.view = view;
vsm.offset = search_start;
status_msg_init (STATUS_MSG (&vsm), _("Search"), 1.0, simple_status_msg_init_cb,
mcview_search_status_update_cb, NULL);
do
{
off_t growbufsize;
if (view->growbuf_in_use)
growbufsize = mcview_growbuf_filesize (view);
else
growbufsize = view->search->original_len;
if (mcview_find (&vsm, search_start, mcview_get_filesize (view), &match_len))
{
mcview_search_show_result (view, match_len);
found = TRUE;
break;
}
if (view->search->error == MC_SEARCH_E_ABORT || view->search->error == MC_SEARCH_E_NOTFOUND)
break;
search_start = growbufsize - view->search->original_len;
}
while (search_start > 0 && mcview_may_still_grow (view));
status_msg_deinit (STATUS_MSG (&vsm));
if (orig_search_start != 0 && (!found && view->search->error == MC_SEARCH_E_NOTFOUND)
&& !mcview_search_options.backwards)
{
view->search_start = orig_search_start;
mcview_update (view);
if (query_dialog
(_("Search done"), _("Continue from beginning?"), D_NORMAL, 2, _("&Yes"),
_("&No")) != 0)
found = TRUE;
else
{
/* continue search from beginning */
view->update_activate = 0;
vsm.first = TRUE;
vsm.view = view;
vsm.offset = 0;
status_msg_init (STATUS_MSG (&vsm), _("Search"), 1.0, simple_status_msg_init_cb,
mcview_search_status_update_cb, NULL);
/* search from file begin up to initial search start position */
if (mcview_find (&vsm, 0, orig_search_start, &match_len))
{
mcview_search_show_result (view, match_len);
found = TRUE;
}
status_msg_deinit (STATUS_MSG (&vsm));
}
}
if (!found)
{
view->search_start = orig_search_start;
mcview_update (view);
if (view->search->error == MC_SEARCH_E_NOTFOUND)
query_dialog (_("Search"), _(STR_E_NOTFOUND), D_NORMAL, 1, _("&Dismiss"));
else if (view->search->error_str != NULL)
query_dialog (_("Search"), view->search->error_str, D_NORMAL, 1, _("&Dismiss"));
}
view->dirty++;
}
void
mcview_do_search (mcview_t * view)
{
off_t search_start = 0;
gboolean isFound = FALSE;
gboolean need_search_again = TRUE;
Dlg_head *d = NULL;
size_t match_len;
if (verbose)
{
d = create_message (D_NORMAL, _("Search"), _("Searching %s"), view->last_search_string);
tty_refresh ();
}
/*for avoid infinite search loop we need to increase or decrease start offset of search */
if (view->search_start != 0)
{
if (!view->text_nroff_mode)
search_start = view->search_start + (mcview_search_options.backwards ? -2 : 0);
else
{
if (mcview_search_options.backwards)
{
mcview_nroff_t *nroff;
nroff = mcview_nroff_seq_new_num (view, view->search_start);
if (mcview_nroff_seq_prev (nroff) != -1)
search_start =
-(mcview__get_nroff_real_len (view, nroff->index - 1, 2) +
nroff->char_width + 1);
else
search_start = -2;
mcview_nroff_seq_free (&nroff);
}
else
{
search_start = mcview__get_nroff_real_len (view, view->search_start + 1, 2);
}
search_start += view->search_start;
}
}
if (mcview_search_options.backwards && (int) search_start < 0)
search_start = 0;
/* Compute the percent steps */
mcview_search_update_steps (view);
view->update_activate = 0;
tty_enable_interrupt_key ();
do
{
off_t growbufsize;
if (view->growbuf_in_use)
growbufsize = mcview_growbuf_filesize (view);
else
growbufsize = view->search->original_len;
if (mcview_find (view, search_start, &match_len))
{
mcview_search_show_result (view, &d, match_len);
need_search_again = FALSE;
isFound = TRUE;
break;
}
if (view->search->error_str == NULL)
break;
search_start = growbufsize - view->search->original_len;
if (search_start <= 0)
{
search_start = 0;
break;
}
}
while (mcview_may_still_grow (view));
if (view->search_start != 0 && !isFound && need_search_again
&& !mcview_search_options.backwards)
{
int result;
mcview_update (view);
result =
query_dialog (_("Search done"), _("Continue from beginning?"), D_NORMAL, 2, _("&Yes"),
_("&No"));
if (result != 0)
isFound = TRUE;
else
search_start = 0;
}
if (!isFound && view->search->error_str != NULL && mcview_find (view, search_start, &match_len))
{
mcview_search_show_result (view, &d, match_len);
isFound = TRUE;
}
tty_disable_interrupt_key ();
if (verbose)
{
dlg_run_done (d);
destroy_dlg (d);
}
if (!isFound && view->search->error_str != NULL)
message (D_NORMAL, _("Search"), "%s", view->search->error_str);
view->dirty++;
mcview_update (view);
}
