mirror of
https://github.com/MidnightCommander/mc
synced 2024-12-22 12:32:40 +03:00
mcview: minor refactoring.
* (mcview_search): move to search.c. * (mcview_do_search): make static. Signed-off-by: Andrew Borodin <aborodin@vmail.ru> Signed-off-by: Yury V. Zaytsev <yury@shurup.com>
This commit is contained in:
Andrew Borodin
parent
c943b931d7
commit
a3825e1b29
@ -97,40 +97,6 @@ mcview_remove_ext_script (WView *view)
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/* --------------------------------------------------------------------------------------------- */
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/* Both views */
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static void
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mcview_search (WView *view, gboolean start_search)
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{
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off_t want_search_start = view->search_start;
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if (start_search)
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{
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if (mcview_dialog_search (view))
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{
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if (view->mode_flags.hex)
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want_search_start = view->hex_cursor;
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mcview_do_search (view, want_search_start);
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}
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}
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else
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{
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if (view->mode_flags.hex)
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{
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if (!mcview_search_options.backwards)
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want_search_start = view->hex_cursor + 1;
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else if (view->hex_cursor > 0)
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want_search_start = view->hex_cursor - 1;
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else
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want_search_start = 0;
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}
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mcview_do_search (view, want_search_start);
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}
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}
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/* --------------------------------------------------------------------------------------------- */
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static void
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mcview_continue_search_cmd (WView *view)
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{
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@ -328,7 +328,7 @@ void mcview_search_deinit (WView * view);
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mc_search_cbret_t mcview_search_cmd_callback (const void *user_data, gsize char_offset,
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int *current_char);
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mc_search_cbret_t mcview_search_update_cmd_callback (const void *user_data, gsize char_offset);
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void mcview_do_search (WView * view, off_t want_search_start);
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void mcview_search (WView * view, gboolean start_search);
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/* --------------------------------------------------------------------------------------------- */
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/*** inline functions ****************************************************************************/
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@ -210,6 +210,150 @@ mcview_search_show_result (WView *view, size_t match_len)
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mcview_moveto_match (view);
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}
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/* --------------------------------------------------------------------------------------------- */
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static void
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mcview_do_search (WView *view, off_t want_search_start)
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{
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mcview_search_status_msg_t vsm;
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off_t search_start = 0;
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off_t orig_search_start = view->search_start;
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gboolean found = FALSE;
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size_t match_len;
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view->search_start = want_search_start;
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/* to avoid infinite search loop we need to increase or decrease start offset of search */
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if (view->search_start != 0)
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{
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if (!view->mode_flags.nroff)
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search_start = view->search_start + (mcview_search_options.backwards ? -2 : 0);
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else
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{
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if (mcview_search_options.backwards)
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{
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mcview_nroff_t *nroff;
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nroff = mcview_nroff_seq_new_num (view, view->search_start);
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if (mcview_nroff_seq_prev (nroff) != -1)
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search_start =
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-(mcview__get_nroff_real_len (view, nroff->index - 1, 2) +
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nroff->char_length + 1);
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else
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search_start = -2;
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mcview_nroff_seq_free (&nroff);
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}
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else
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{
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search_start = mcview__get_nroff_real_len (view, view->search_start + 1, 2);
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}
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search_start += view->search_start;
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}
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}
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if (mcview_search_options.backwards && search_start < 0)
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search_start = 0;
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/* Compute the percent steps */
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mcview_search_update_steps (view);
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view->update_activate = search_start;
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vsm.first = TRUE;
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vsm.view = view;
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vsm.offset = search_start;
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status_msg_init (STATUS_MSG (&vsm), _("Search"), 1.0, simple_status_msg_init_cb,
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mcview_search_status_update_cb, NULL);
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do
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{
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off_t growbufsize;
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if (view->growbuf_in_use)
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growbufsize = mcview_growbuf_filesize (view);
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else
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growbufsize = view->search->original.str->len;
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if (mcview_find (&vsm, search_start, mcview_get_filesize (view), &match_len))
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{
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mcview_search_show_result (view, match_len);
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found = TRUE;
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break;
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}
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/* Search error is here.
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* MC_SEARCH_E_NOTFOUND: continue search
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* others: stop
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*/
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if (view->search->error != MC_SEARCH_E_NOTFOUND)
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break;
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search_start = growbufsize - view->search->original.str->len;
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}
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while (search_start > 0 && mcview_may_still_grow (view));
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/* After mcview_may_still_grow (view) == FALSE, last chunk remains. Search there. */
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if (view->growbuf_in_use && !found && view->search->error == MC_SEARCH_E_NOTFOUND
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&& !mcview_search_options.backwards
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&& mcview_find (&vsm, search_start, mcview_get_filesize (view), &match_len))
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{
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mcview_search_show_result (view, match_len);
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found = TRUE;
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}
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status_msg_deinit (STATUS_MSG (&vsm));
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if (orig_search_start != 0 && (!found && view->search->error == MC_SEARCH_E_NOTFOUND)
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&& !mcview_search_options.backwards)
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{
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view->search_start = orig_search_start;
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mcview_update (view);
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if (query_dialog
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(_("Search done"), _("Continue from beginning?"), D_NORMAL, 2, _("&Yes"),
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_("&No")) != 0)
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found = TRUE;
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else
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{
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/* continue search from beginning */
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view->update_activate = 0;
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vsm.first = TRUE;
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vsm.view = view;
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vsm.offset = 0;
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status_msg_init (STATUS_MSG (&vsm), _("Search"), 1.0, simple_status_msg_init_cb,
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mcview_search_status_update_cb, NULL);
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/* search from file begin up to initial search start position */
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if (mcview_find (&vsm, 0, orig_search_start, &match_len))
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{
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mcview_search_show_result (view, match_len);
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found = TRUE;
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}
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status_msg_deinit (STATUS_MSG (&vsm));
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}
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}
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if (!found)
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{
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view->search_start = orig_search_start;
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mcview_update (view);
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if (view->search->error == MC_SEARCH_E_NOTFOUND)
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query_dialog (_("Search"), _(STR_E_NOTFOUND), D_NORMAL, 1, _("&Dismiss"));
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else if (view->search->error_str != NULL)
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query_dialog (_("Search"), view->search->error_str, D_NORMAL, 1, _("&Dismiss"));
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}
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view->dirty++;
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}
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/* --------------------------------------------------------------------------------------------- */
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/*** public functions ****************************************************************************/
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/* --------------------------------------------------------------------------------------------- */
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@ -347,145 +491,36 @@ mcview_search_update_cmd_callback (const void *user_data, gsize char_offset)
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/* --------------------------------------------------------------------------------------------- */
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/* Both views */
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void
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mcview_do_search (WView *view, off_t want_search_start)
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mcview_search (WView *view, gboolean start_search)
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{
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mcview_search_status_msg_t vsm;
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off_t want_search_start = view->search_start;
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off_t search_start = 0;
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off_t orig_search_start = view->search_start;
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gboolean found = FALSE;
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size_t match_len;
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view->search_start = want_search_start;
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/* for avoid infinite search loop we need to increase or decrease start offset of search */
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if (view->search_start != 0)
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if (start_search)
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{
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if (!view->mode_flags.nroff)
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search_start = view->search_start + (mcview_search_options.backwards ? -2 : 0);
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else
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if (mcview_dialog_search (view))
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{
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if (mcview_search_options.backwards)
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{
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mcview_nroff_t *nroff;
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if (view->mode_flags.hex)
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want_search_start = view->hex_cursor;
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nroff = mcview_nroff_seq_new_num (view, view->search_start);
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if (mcview_nroff_seq_prev (nroff) != -1)
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search_start =
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-(mcview__get_nroff_real_len (view, nroff->index - 1, 2) +
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nroff->char_length + 1);
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else
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search_start = -2;
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mcview_nroff_seq_free (&nroff);
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mcview_do_search (view, want_search_start);
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}
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}
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else
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{
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search_start = mcview__get_nroff_real_len (view, view->search_start + 1, 2);
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}
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search_start += view->search_start;
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}
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}
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if (mcview_search_options.backwards && search_start < 0)
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search_start = 0;
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/* Compute the percent steps */
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mcview_search_update_steps (view);
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view->update_activate = search_start;
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vsm.first = TRUE;
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vsm.view = view;
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vsm.offset = search_start;
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status_msg_init (STATUS_MSG (&vsm), _("Search"), 1.0, simple_status_msg_init_cb,
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mcview_search_status_update_cb, NULL);
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do
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if (view->mode_flags.hex)
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{
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off_t growbufsize;
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if (view->growbuf_in_use)
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growbufsize = mcview_growbuf_filesize (view);
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if (!mcview_search_options.backwards)
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want_search_start = view->hex_cursor + 1;
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else if (view->hex_cursor > 0)
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want_search_start = view->hex_cursor - 1;
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else
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growbufsize = view->search->original.str->len;
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if (mcview_find (&vsm, search_start, mcview_get_filesize (view), &match_len))
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{
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mcview_search_show_result (view, match_len);
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found = TRUE;
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break;
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want_search_start = 0;
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}
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/* Search error is here.
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* MC_SEARCH_E_NOTFOUND: continue search
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* others: stop
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*/
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if (view->search->error != MC_SEARCH_E_NOTFOUND)
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break;
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search_start = growbufsize - view->search->original.str->len;
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mcview_do_search (view, want_search_start);
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}
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while (search_start > 0 && mcview_may_still_grow (view));
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/* After mcview_may_still_grow (view) == FALSE we have remained last chunk. Search there. */
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if (view->growbuf_in_use && !found && view->search->error == MC_SEARCH_E_NOTFOUND
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&& !mcview_search_options.backwards
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&& mcview_find (&vsm, search_start, mcview_get_filesize (view), &match_len))
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{
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mcview_search_show_result (view, match_len);
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found = TRUE;
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}
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status_msg_deinit (STATUS_MSG (&vsm));
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if (orig_search_start != 0 && (!found && view->search->error == MC_SEARCH_E_NOTFOUND)
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&& !mcview_search_options.backwards)
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{
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view->search_start = orig_search_start;
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mcview_update (view);
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if (query_dialog
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(_("Search done"), _("Continue from beginning?"), D_NORMAL, 2, _("&Yes"),
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_("&No")) != 0)
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found = TRUE;
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else
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{
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/* continue search from beginning */
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view->update_activate = 0;
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vsm.first = TRUE;
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vsm.view = view;
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vsm.offset = 0;
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status_msg_init (STATUS_MSG (&vsm), _("Search"), 1.0, simple_status_msg_init_cb,
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mcview_search_status_update_cb, NULL);
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/* search from file begin up to initial search start position */
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if (mcview_find (&vsm, 0, orig_search_start, &match_len))
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{
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mcview_search_show_result (view, match_len);
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found = TRUE;
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}
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status_msg_deinit (STATUS_MSG (&vsm));
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}
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}
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if (!found)
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{
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view->search_start = orig_search_start;
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mcview_update (view);
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if (view->search->error == MC_SEARCH_E_NOTFOUND)
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query_dialog (_("Search"), _(STR_E_NOTFOUND), D_NORMAL, 1, _("&Dismiss"));
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else if (view->search->error_str != NULL)
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query_dialog (_("Search"), view->search->error_str, D_NORMAL, 1, _("&Dismiss"));
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}
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view->dirty++;
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}
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/* --------------------------------------------------------------------------------------------- */
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