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Reimplemented search engine in editor.

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Now search engines of editor and viewer use the identical algorithm.

Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
This commit is contained in:
Andrew Borodin 2010-11-17 16:19:18 +03:00
parent a80c9edb93
commit 9a8ae90a49
6 changed files with 246 additions and 260 deletions
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1
src/editor/edit-impl.h
View File

@ -225,6 +225,7 @@ void edit_set_markers (WEdit * edit, long m1, long m2, int c1, int c2);
void edit_push_markers (WEdit * edit); void edit_push_markers (WEdit * edit);
void edit_replace_cmd (WEdit * edit, int again); void edit_replace_cmd (WEdit * edit, int again);
void edit_search_cmd (WEdit * edit, gboolean again); void edit_search_cmd (WEdit * edit, gboolean again);
int edit_search_cmd_callback (const void *user_data, gsize char_offset);
void edit_complete_word_cmd (WEdit * edit); void edit_complete_word_cmd (WEdit * edit);
void edit_get_match_keyword_cmd (WEdit * edit); void edit_get_match_keyword_cmd (WEdit * edit);
int edit_save_block (WEdit * edit, const char *filename, long start, long finish); int edit_save_block (WEdit * edit, const char *filename, long start, long finish);

1
src/editor/edit-widget.h
View File

@ -55,6 +55,7 @@ struct WEdit
mc_search_t *search; mc_search_t *search;
int replace_mode; int replace_mode;
char *last_search_string; /* String that have been searched */
long search_start; /* First character to start searching from */ long search_start; /* First character to start searching from */
int found_len; /* Length of found string or 0 if none was found */ int found_len; /* Length of found string or 0 if none was found */
long found_start; /* the found word from a search - start position */ long found_start; /* the found word from a search - start position */

3
src/editor/edit.c
View File

@ -931,7 +931,6 @@ edit_init (WEdit * edit, int lines, int columns, const char *filename, long line
} }
#endif /* ENABLE_NLS */ #endif /* ENABLE_NLS */
edit = g_malloc0 (sizeof (WEdit)); edit = g_malloc0 (sizeof (WEdit));
edit->search = NULL;
to_free = 1; to_free = 1;
} }
edit_purge_widget (edit); edit_purge_widget (edit);
@ -1025,6 +1024,8 @@ edit_clean (WEdit * edit)
mc_search_free (edit->search); mc_search_free (edit->search);
edit->search = NULL; edit->search = NULL;
g_free (edit->last_search_string);
edit->last_search_string = NULL;
if (edit->converter != str_cnv_from_term) if (edit->converter != str_cnv_from_term)
str_close_conv (edit->converter); str_close_conv (edit->converter);

233
src/editor/editcmd.c
View File

@ -83,46 +83,7 @@ int edit_confirm_save = 1;
static int edit_save_cmd (WEdit * edit); static int edit_save_cmd (WEdit * edit);
static unsigned char *edit_get_block (WEdit * edit, long start, long finish, int *l); static unsigned char *edit_get_block (WEdit * edit, long start, long finish, int *l);
static void int
edit_search_cmd_search_create_bookmark (WEdit * edit)
{
int found = 0, books = 0;
long l = 0, l_last = -1;
long q = 0;
gsize len = 0;
search_create_bookmark = FALSE;
book_mark_flush (edit, -1);
for (;;)
{
if (!mc_search_run (edit->search, (void *) edit, q, edit->last_byte, &len))
break;
if (found == 0)
edit->search_start = edit->search->normal_offset;
found++;
l += edit_count_lines (edit, q, edit->search->normal_offset);
if (l != l_last)
{
book_mark_insert (edit, l, BOOK_MARK_FOUND_COLOR);
books++;
}
l_last = l;
q = edit->search->normal_offset + 1;
}
if (found == 0)
{
edit_error_dialog (_("Search"), _("Search string not found"));
}
else
{
edit_cursor_move (edit, edit->search_start - edit->curs1);
edit_scroll_screen_over_cursor (edit);
}
}
static int
edit_search_cmd_callback (const void *user_data, gsize char_offset) edit_search_cmd_callback (const void *user_data, gsize char_offset)
{ {
return edit_get_byte ((WEdit *) user_data, (long) char_offset); return edit_get_byte ((WEdit *) user_data, (long) char_offset);
@ -1901,112 +1862,47 @@ edit_replace_cmd (WEdit * edit, int again)
g_free (input2); g_free (input2);
} }
static void
void edit_do_search (WEdit * edit)
edit_search_cmd (WEdit * edit, gboolean again)
{ {
char *search_string = NULL, *search_string_dup = NULL;
gsize len = 0; gsize len = 0;
if (edit == NULL)
return;
if (edit->search != NULL)
{
search_string = g_strndup (edit->search->original, edit->search->original_len);
search_string_dup = search_string;
}
else
{
GList *history;
history = history_get (MC_HISTORY_SHARED_SEARCH);
if (history != NULL && history->data != NULL)
{
search_string_dup = search_string = (char *) g_strdup (history->data);
history = g_list_first (history);
g_list_foreach (history, (GFunc) g_free, NULL);
g_list_free (history);
}
edit->search_start = edit->curs1;
}
if (!again)
{
#ifdef HAVE_CHARSET
GString *tmp;
if (search_string != NULL && *search_string != '\0')
{
tmp = str_convert_to_display (search_string);
if (tmp != NULL)
{
if (tmp->len == 0)
g_string_free (tmp, TRUE);
else
{
g_free (search_string);
search_string = search_string_dup = g_string_free (tmp, FALSE);
}
}
}
#endif /* HAVE_CHARSET */
editcmd_dialog_search_show (edit, &search_string);
g_free (search_string_dup);
search_string_dup = NULL;
#ifdef HAVE_CHARSET
if (search_string != NULL && *search_string != '\0')
{
tmp = str_convert_to_input (search_string);
if (tmp != NULL)
{
if (tmp->len == 0)
g_string_free (tmp, TRUE);
else
{
g_free (search_string);
search_string = g_string_free (tmp, FALSE);
}
}
}
#endif /* HAVE_CHARSET */
edit_push_action (edit, KEY_PRESS + edit->start_display);
if (search_string == NULL)
{
edit->force |= REDRAW_COMPLETELY;
edit_scroll_screen_over_cursor (edit);
return;
}
if (edit->search != NULL)
{
mc_search_free (edit->search);
edit->search = NULL;
}
}
if (edit->search == NULL) if (edit->search == NULL)
{ edit->search_start = edit->curs1;
edit->search = mc_search_new (search_string, -1);
if (edit->search == NULL)
{
edit->search_start = edit->curs1;
g_free (search_string);
return;
}
edit->search->search_type = edit_search_options.type; edit_push_action (edit, KEY_PRESS + edit->start_display);
edit->search->is_all_charsets = edit_search_options.all_codepages;
edit->search->is_case_sensitive = edit_search_options.case_sens;
edit->search->whole_words = edit_search_options.whole_words;
edit->search->search_fn = edit_search_cmd_callback;
}
g_free (search_string);
if (search_create_bookmark) if (search_create_bookmark)
edit_search_cmd_search_create_bookmark (edit); {
int found = 0, books = 0;
long l = 0, l_last = -1;
long q = 0;
search_create_bookmark = FALSE;
book_mark_flush (edit, -1);
while (TRUE)
{
if (!mc_search_run (edit->search, (void *) edit, q, edit->last_byte, &len))
break;
if (found == 0)
edit->search_start = edit->search->normal_offset;
found++;
l += edit_count_lines (edit, q, edit->search->normal_offset);
if (l != l_last)
{
book_mark_insert (edit, l, BOOK_MARK_FOUND_COLOR);
books++;
}
l_last = l;
q = edit->search->normal_offset + 1;
}
if (found == 0)
edit_error_dialog (_("Search"), _("Search string not found"));
else
edit_cursor_move (edit, edit->search_start - edit->curs1);
}
else else
{ {
if (edit->found_len != 0 && edit->search_start == edit->found_start + 1 if (edit->found_len != 0 && edit->search_start == edit->found_start + 1
@ -2041,6 +1937,65 @@ edit_search_cmd (WEdit * edit, gboolean again)
edit_scroll_screen_over_cursor (edit); edit_scroll_screen_over_cursor (edit);
} }
static void
edit_search (WEdit *edit)
{
if (editcmd_dialog_search_show (edit))
edit_do_search (edit);
}
void
edit_search_cmd (WEdit * edit, gboolean again)
{
if (edit == NULL)
return;
if (!again)
edit_search (edit);
else if (edit->last_search_string != NULL)
edit_do_search (edit);
else
{
/* find last search string in history */
GList *history;
history = history_get (MC_HISTORY_SHARED_SEARCH);
if (history != NULL && history->data != NULL)
{
edit->last_search_string = (char *) history->data;
history->data = NULL;
history = g_list_first (history);
g_list_foreach (history, (GFunc) g_free, NULL);
g_list_free (history);
edit->search = mc_search_new (edit->last_search_string, -1);
if (edit->search == NULL)
{
/* if not... then ask for an expression */
g_free (edit->last_search_string);
edit->last_search_string = NULL;
edit_search (edit);
}
else
{
edit->search->search_type = edit_search_options.type;
edit->search->is_all_charsets = edit_search_options.all_codepages;
edit->search->is_case_sensitive = edit_search_options.case_sens;
edit->search->whole_words = edit_search_options.whole_words;
edit->search->search_fn = edit_search_cmd_callback;
edit_do_search (edit);
}
}
else
{
/* if not... then ask for an expression */
g_free (edit->last_search_string);
edit->last_search_string = NULL;
edit_search (edit);
}
}
}
/* /*
* Check if it's OK to close the editor. If there are unsaved changes, * Check if it's OK to close the editor. If there are unsaved changes,

266
src/editor/editcmd_dialogs.c
View File

@ -157,148 +157,176 @@ editcmd_dialog_replace_show (WEdit * edit, const char *search_default, const cha
/* --------------------------------------------------------------------------------------------- */ /* --------------------------------------------------------------------------------------------- */
void gboolean
editcmd_dialog_search_show (WEdit * edit, char **search_text) editcmd_dialog_search_show (WEdit * edit)
{ {
(void) edit; char *search_text;
if (*search_text == NULL) size_t num_of_types;
*search_text = INPUT_LAST_TEXT; gchar **list_of_types = mc_search_get_types_strings_array (&num_of_types);
int SEARCH_DLG_HEIGHT = SEARCH_DLG_MIN_HEIGHT + num_of_types - SEARCH_DLG_HEIGHT_SUPPLY;
size_t i;
{ int dialog_result;
size_t num_of_types;
gchar **list_of_types = mc_search_get_types_strings_array (&num_of_types);
int SEARCH_DLG_HEIGHT = SEARCH_DLG_MIN_HEIGHT + num_of_types - SEARCH_DLG_HEIGHT_SUPPLY;
size_t i;
int dialog_result; QuickWidget quick_widgets[] = {
/* 0 */
QuickWidget quick_widgets[] = { QUICK_BUTTON (6, 10, 11, SEARCH_DLG_HEIGHT, N_("&Cancel"), B_CANCEL, NULL),
/* 0 */ /* 1 */
QUICK_BUTTON (6, 10, 11, SEARCH_DLG_HEIGHT, N_("&Cancel"), B_CANCEL, NULL), QUICK_BUTTON (4, 10, 11, SEARCH_DLG_HEIGHT, N_("&Find all"), B_USER, NULL),
/* 1 */ /* 2 */
QUICK_BUTTON (4, 10, 11, SEARCH_DLG_HEIGHT, N_("&Find all"), B_USER, NULL), QUICK_BUTTON (2, 10, 11, SEARCH_DLG_HEIGHT, N_("&OK"), B_ENTER, NULL),
/* 2 */
QUICK_BUTTON (2, 10, 11, SEARCH_DLG_HEIGHT, N_("&OK"), B_ENTER, NULL),
#ifdef HAVE_CHARSET #ifdef HAVE_CHARSET
/* 3 */ /* 3 */
QUICK_CHECKBOX (33, SEARCH_DLG_WIDTH, 9, SEARCH_DLG_HEIGHT, N_("All charsets"), QUICK_CHECKBOX (33, SEARCH_DLG_WIDTH, 9, SEARCH_DLG_HEIGHT, N_("All charsets"),
&edit_search_options.all_codepages), &edit_search_options.all_codepages),
#endif #endif
/* 4 */ /* 4 */
QUICK_CHECKBOX (33, SEARCH_DLG_WIDTH, 8, SEARCH_DLG_HEIGHT, N_("&Whole words"), QUICK_CHECKBOX (33, SEARCH_DLG_WIDTH, 8, SEARCH_DLG_HEIGHT, N_("&Whole words"),
&edit_search_options.whole_words), &edit_search_options.whole_words),
/* 5 */ /* 5 */
QUICK_CHECKBOX (33, SEARCH_DLG_WIDTH, 7, SEARCH_DLG_HEIGHT, N_("In se&lection"), QUICK_CHECKBOX (33, SEARCH_DLG_WIDTH, 7, SEARCH_DLG_HEIGHT, N_("In se&lection"),
&edit_search_options.only_in_selection), &edit_search_options.only_in_selection),
/* 6 */ /* 6 */
QUICK_CHECKBOX (33, SEARCH_DLG_WIDTH, 6, SEARCH_DLG_HEIGHT, N_("&Backwards"), QUICK_CHECKBOX (33, SEARCH_DLG_WIDTH, 6, SEARCH_DLG_HEIGHT, N_("&Backwards"),
&edit_search_options.backwards), &edit_search_options.backwards),
/* 7 */ /* 7 */
QUICK_CHECKBOX (33, SEARCH_DLG_WIDTH, 5, SEARCH_DLG_HEIGHT, N_("Case &sensitive"), QUICK_CHECKBOX (33, SEARCH_DLG_WIDTH, 5, SEARCH_DLG_HEIGHT, N_("Case &sensitive"),
&edit_search_options.case_sens), &edit_search_options.case_sens),
/* 8 */ /* 8 */
QUICK_RADIO (3, SEARCH_DLG_WIDTH, 5, SEARCH_DLG_HEIGHT, QUICK_RADIO (3, SEARCH_DLG_WIDTH, 5, SEARCH_DLG_HEIGHT,
num_of_types, (const char **) list_of_types, num_of_types, (const char **) list_of_types,
(int *) &edit_search_options.type), (int *) &edit_search_options.type),
/* 9 */ /* 9 */
QUICK_INPUT (3, SEARCH_DLG_WIDTH, 3, SEARCH_DLG_HEIGHT, QUICK_INPUT (3, SEARCH_DLG_WIDTH, 3, SEARCH_DLG_HEIGHT,
*search_text, SEARCH_DLG_WIDTH - 6, 0, INPUT_LAST_TEXT, SEARCH_DLG_WIDTH - 6, 0,
MC_HISTORY_SHARED_SEARCH, search_text), MC_HISTORY_SHARED_SEARCH, &search_text),
/* 10 */ /* 10 */
QUICK_LABEL (3, SEARCH_DLG_WIDTH, 2, SEARCH_DLG_HEIGHT, N_("Enter search string:")), QUICK_LABEL (3, SEARCH_DLG_WIDTH, 2, SEARCH_DLG_HEIGHT, N_("Enter search string:")),
QUICK_END QUICK_END
}; };
#ifdef HAVE_CHARSET #ifdef HAVE_CHARSET
size_t last_checkbox = 7; size_t last_checkbox = 7;
#else #else
size_t last_checkbox = 6; size_t last_checkbox = 6;
#endif #endif
QuickDialog Quick_input = { QuickDialog Quick_input = {
SEARCH_DLG_WIDTH, SEARCH_DLG_HEIGHT, -1, -1, N_("Search"), SEARCH_DLG_WIDTH, SEARCH_DLG_HEIGHT, -1, -1, N_("Search"),
"[Input Line Keys]", quick_widgets, NULL, TRUE "[Input Line Keys]", quick_widgets, NULL, TRUE
}; };
#ifdef ENABLE_NLS #ifdef ENABLE_NLS
char **list_of_types_nls; char **list_of_types_nls;
/* header title */ /* header title */
Quick_input.title = _(Quick_input.title); Quick_input.title = _(Quick_input.title);
/* buttons */ /* buttons */
for (i = 0; i < 3; i++) for (i = 0; i < 3; i++)
quick_widgets[i].u.button.text = _(quick_widgets[i].u.button.text); quick_widgets[i].u.button.text = _(quick_widgets[i].u.button.text);
/* checkboxes */ /* checkboxes */
for (i = 3; i <= last_checkbox; i++) for (i = 3; i <= last_checkbox; i++)
quick_widgets[i].u.checkbox.text = _(quick_widgets[i].u.checkbox.text); quick_widgets[i].u.checkbox.text = _(quick_widgets[i].u.checkbox.text);
/* label */ /* label */
quick_widgets[10].u.label.text = _(quick_widgets[10].u.label.text); quick_widgets[10].u.label.text = _(quick_widgets[10].u.label.text);
/* radiobuttons */ /* radiobuttons */
/* create copy of radio items to avoid memory leak */ /* create copy of radio items to avoid memory leak */
list_of_types_nls = g_new0 (char *, num_of_types + 1); list_of_types_nls = g_new0 (char *, num_of_types + 1);
for (i = 0; i < num_of_types; i++) for (i = 0; i < num_of_types; i++)
list_of_types_nls[i] = g_strdup (_(list_of_types[i])); list_of_types_nls[i] = g_strdup (_(list_of_types[i]));
g_strfreev (list_of_types); g_strfreev (list_of_types);
list_of_types = list_of_types_nls; list_of_types = list_of_types_nls;
quick_widgets[last_checkbox + 1].u.radio.items = (const char **) list_of_types; quick_widgets[last_checkbox + 1].u.radio.items = (const char **) list_of_types;
#endif #endif
/* calculate widget coordinates */ /* calculate widget coordinates */
{
int len = 0;
int dlg_width;
gchar **radio = list_of_types;
int b0_len, b1_len, b2_len;
const int button_gap = 2;
/* length of radiobuttons */
while (*radio != NULL)
{ {
int len = 0; len = max (len, str_term_width1 (*radio));
int dlg_width; radio++;
gchar **radio = list_of_types;
int b0_len, b1_len, b2_len;
const int button_gap = 2;
/* length of radiobuttons */
while (*radio != NULL)
{
len = max (len, str_term_width1 (*radio));
radio++;
}
/* length of checkboxes */
for (i = 3; i <= last_checkbox; i++)
len = max (len, str_term_width1 (quick_widgets[i].u.checkbox.text) + 4);
/* preliminary dialog width */
dlg_width = max (len * 2, str_term_width1 (Quick_input.title)) + 4;
/* length of buttons */
b0_len = str_term_width1 (quick_widgets[0].u.button.text) + 3;
b1_len = str_term_width1 (quick_widgets[1].u.button.text) + 3;
b2_len = str_term_width1 (quick_widgets[2].u.button.text) + 5; /* default button */
len = b0_len + b1_len + b2_len + button_gap * 2;
/* dialog width */
Quick_input.xlen = max (SEARCH_DLG_WIDTH, max (dlg_width, len + 6));
/* correct widget coordinates */
for (i = 0; i < sizeof (quick_widgets) / sizeof (quick_widgets[0]); i++)
quick_widgets[i].x_divisions = Quick_input.xlen;
/* checkbox positions */
for (i = 3; i <= last_checkbox; i++)
quick_widgets[i].relative_x = Quick_input.xlen / 2 + 2;
/* input length */
quick_widgets[last_checkbox + 2].u.input.len = Quick_input.xlen - 6;
/* button positions */
quick_widgets[2].relative_x = Quick_input.xlen / 2 - len / 2;
quick_widgets[1].relative_x = quick_widgets[2].relative_x + b2_len + button_gap;
quick_widgets[0].relative_x = quick_widgets[1].relative_x + b1_len + button_gap;
} }
/* length of checkboxes */
for (i = 3; i <= last_checkbox; i++)
len = max (len, str_term_width1 (quick_widgets[i].u.checkbox.text) + 4);
dialog_result = quick_dialog (&Quick_input); /* preliminary dialog width */
dlg_width = max (len * 2, str_term_width1 (Quick_input.title)) + 4;
g_strfreev (list_of_types); /* length of buttons */
b0_len = str_term_width1 (quick_widgets[0].u.button.text) + 3;
b1_len = str_term_width1 (quick_widgets[1].u.button.text) + 3;
b2_len = str_term_width1 (quick_widgets[2].u.button.text) + 5; /* default button */
len = b0_len + b1_len + b2_len + button_gap * 2;
if (dialog_result == B_CANCEL) /* dialog width */
*search_text = NULL; Quick_input.xlen = max (SEARCH_DLG_WIDTH, max (dlg_width, len + 6));
else if (dialog_result == B_USER)
search_create_bookmark = TRUE; /* correct widget coordinates */
for (i = 0; i < sizeof (quick_widgets) / sizeof (quick_widgets[0]); i++)
quick_widgets[i].x_divisions = Quick_input.xlen;
/* checkbox positions */
for (i = 3; i <= last_checkbox; i++)
quick_widgets[i].relative_x = Quick_input.xlen / 2 + 2;
/* input length */
quick_widgets[last_checkbox + 2].u.input.len = Quick_input.xlen - 6;
/* button positions */
quick_widgets[2].relative_x = Quick_input.xlen / 2 - len / 2;
quick_widgets[1].relative_x = quick_widgets[2].relative_x + b2_len + button_gap;
quick_widgets[0].relative_x = quick_widgets[1].relative_x + b1_len + button_gap;
} }
dialog_result = quick_dialog (&Quick_input);
g_strfreev (list_of_types);
if ((dialog_result == B_CANCEL) || (search_text == NULL) || (search_text[0] == '\0'))
{
g_free (search_text);
return FALSE;
}
if (dialog_result == B_USER)
search_create_bookmark = TRUE;
#ifdef HAVE_CHARSET
{
GString *tmp;
tmp = str_convert_to_input (search_text);
if (tmp != NULL)
{
g_free (search_text);
search_text = g_string_free (tmp, FALSE);
}
}
#endif
g_free (edit->last_search_string);
edit->last_search_string = search_text;
mc_search_free (edit->search);
edit->search = mc_search_new (edit->last_search_string, -1);
if (edit->search != NULL)
{
edit->search->search_type = edit_search_options.type;
edit->search->is_all_charsets = edit_search_options.all_codepages;
edit->search->is_case_sensitive = edit_search_options.case_sens;
edit->search->whole_words = edit_search_options.whole_words;
edit->search->search_fn = edit_search_cmd_callback;
}
return (edit->search != NULL);
} }
/* --------------------------------------------------------------------------------------------- */ /* --------------------------------------------------------------------------------------------- */

2
src/editor/editcmd_dialogs.h
View File

@ -26,7 +26,7 @@ struct selection {
void editcmd_dialog_replace_show (WEdit *, const char *, const char *, char **, char **); void editcmd_dialog_replace_show (WEdit *, const char *, const char *, char **, char **);
void editcmd_dialog_search_show (WEdit *, char **); gboolean editcmd_dialog_search_show (WEdit *edit);
int editcmd_dialog_raw_key_query (const char *, const char *, int); int editcmd_dialog_raw_key_query (const char *, const char *, int);