static void
gb_vim_do_substitute_line (GtkTextBuffer *buffer,
GtkTextIter *begin,
const gchar *search_text,
const gchar *replace_text,
gboolean is_global)
{
GtkSourceSearchContext *search_context;
GtkSourceSearchSettings *search_settings;
GtkTextIter match_begin;
GtkTextIter match_end;
gboolean has_wrapped = FALSE;
GError *error = NULL;
gint line_number;
g_assert(buffer);
g_assert(begin);
g_assert(search_text);
g_assert(replace_text);
search_settings = gtk_source_search_settings_new ();
search_context = gtk_source_search_context_new (GTK_SOURCE_BUFFER (buffer), search_settings);
line_number = gtk_text_iter_get_line(begin);
gtk_text_iter_set_line_offset(begin, 0);
gtk_source_search_settings_set_search_text (search_settings, search_text);
gtk_source_search_settings_set_case_sensitive (search_settings, TRUE);
while (gtk_source_search_context_forward (search_context, begin, &match_begin, &match_end, &has_wrapped) && !has_wrapped)
{
if (gtk_text_iter_get_line (&match_end) != line_number)
break;
if (!gtk_source_search_context_replace (search_context, &match_begin, &match_end, replace_text, -1, &error))
{
g_warning ("%s", error->message);
g_clear_error (&error);
break;
}
*begin = match_end;
if (!is_global)
break;
}
g_clear_object (&search_settings);
g_clear_object (&search_context);
}
static void
gb_vim_do_search_and_replace (GtkTextBuffer *buffer,
GtkTextIter *begin,
GtkTextIter *end,
const gchar *search_text,
const gchar *replace_text,
gboolean is_global)
{
GtkSourceSearchContext *search_context;
GtkSourceSearchSettings *search_settings;
GtkTextMark *mark;
GtkTextIter tmp1;
GtkTextIter tmp2;
GtkTextIter match_begin;
GtkTextIter match_end;
GError *error = NULL;
g_assert (search_text);
g_assert (replace_text);
g_assert ((!begin && !end) || (begin && end));
search_settings = gtk_source_search_settings_new ();
search_context = gtk_source_search_context_new (GTK_SOURCE_BUFFER (buffer), search_settings);
if (!begin)
{
gtk_text_buffer_get_start_iter (buffer, &tmp1);
begin = &tmp1;
}
if (!end)
{
gtk_text_buffer_get_end_iter (buffer, &tmp2);
end = &tmp2;
}
mark = gtk_text_buffer_create_mark (buffer, NULL, end, FALSE);
gtk_source_search_settings_set_search_text (search_settings, search_text);
gtk_source_search_settings_set_case_sensitive (search_settings, TRUE);
while (gtk_source_search_context_forward (search_context, begin, &match_begin, &match_end))
{
if (is_global || gb_vim_match_is_selected (buffer, &match_begin, &match_end))
{
GtkTextMark *mark2;
mark2 = gtk_text_buffer_create_mark (buffer, NULL, &match_end, FALSE);
if (!gtk_source_search_context_replace (search_context, &match_begin, &match_end,
replace_text, -1, &error))
{
g_warning ("%s", error->message);
g_clear_error (&error);
gtk_text_buffer_delete_mark (buffer, mark2);
break;
}
gtk_text_buffer_get_iter_at_mark (buffer, &match_end, mark2);
gtk_text_buffer_delete_mark (buffer, mark2);
}
*begin = match_end;
gtk_text_buffer_get_iter_at_mark (buffer, end, mark);
}
gtk_text_buffer_delete_mark (buffer, mark);
g_clear_object (&search_settings);
g_clear_object (&search_context);
}
int
main (int argc, char *argv[])
{
GtkSourceBuffer *buffer;
GtkSourceSearchContext *search_context;
GtkSourceSearchSettings *search_settings;
GtkTextIter iter;
GtkTextIter match_end;
GTimer *timer;
gint i;
GtkTextSearchFlags flags;
gchar *regex_pattern;
gtk_init (&argc, &argv);
buffer = gtk_source_buffer_new (NULL);
gtk_text_buffer_get_start_iter (GTK_TEXT_BUFFER (buffer), &iter);
for (i = 0; i < NB_LINES; i++)
{
gtk_text_buffer_insert (GTK_TEXT_BUFFER (buffer),
&iter,
"A line of text to fill the text buffer. Is it long enough?\n",
-1);
}
gtk_text_buffer_insert (GTK_TEXT_BUFFER (buffer), &iter, "foo\n", -1);
/* Basic search, no flags */
timer = g_timer_new ();
gtk_text_buffer_get_start_iter (GTK_TEXT_BUFFER (buffer), &iter);
flags = 0;
while (gtk_text_iter_forward_search (&iter, "foo", flags, NULL, &match_end, NULL))
{
iter = match_end;
}
g_timer_stop (timer);
g_print ("basic forward search, no flags: %lf seconds.\n",
g_timer_elapsed (timer, NULL));
/* Basic search, with flags always enabled by gsv */
g_timer_start (timer);
gtk_text_buffer_get_start_iter (GTK_TEXT_BUFFER (buffer), &iter);
flags = GTK_TEXT_SEARCH_VISIBLE_ONLY | GTK_TEXT_SEARCH_TEXT_ONLY;
while (gtk_text_iter_forward_search (&iter, "foo", flags, NULL, &match_end, NULL))
{
iter = match_end;
}
g_timer_stop (timer);
g_print ("basic forward search, visible and text only flags: %lf seconds.\n",
g_timer_elapsed (timer, NULL));
/* Basic search, with default flags in gsv */
g_timer_start (timer);
gtk_text_buffer_get_start_iter (GTK_TEXT_BUFFER (buffer), &iter);
flags = GTK_TEXT_SEARCH_VISIBLE_ONLY |
GTK_TEXT_SEARCH_TEXT_ONLY |
GTK_TEXT_SEARCH_CASE_INSENSITIVE;
while (gtk_text_iter_forward_search (&iter, "foo", flags, NULL, &match_end, NULL))
{
iter = match_end;
}
g_timer_stop (timer);
g_print ("basic forward search, all flags: %lf seconds.\n",
g_timer_elapsed (timer, NULL));
/* Smart forward search, with default flags in gsv */
search_settings = gtk_source_search_settings_new ();
search_context = gtk_source_search_context_new (buffer, search_settings);
g_timer_start (timer);
gtk_source_search_settings_set_search_text (search_settings, "foo");
gtk_text_buffer_get_start_iter (GTK_TEXT_BUFFER (buffer), &iter);
while (gtk_source_search_context_forward (search_context, &iter, NULL, &match_end, NULL))
{
iter = match_end;
}
g_timer_stop (timer);
g_print ("smart synchronous forward search, case insensitive: %lf seconds.\n",
g_timer_elapsed (timer, NULL));
/* Smart forward search, case sensitive */
g_timer_start (timer);
gtk_source_search_settings_set_search_text (search_settings, NULL);
gtk_source_search_settings_set_case_sensitive (search_settings, TRUE);
gtk_source_search_settings_set_search_text (search_settings, "foo");
gtk_text_buffer_get_start_iter (GTK_TEXT_BUFFER (buffer), &iter);
while (gtk_source_search_context_forward (search_context, &iter, NULL, &match_end, NULL))
{
iter = match_end;
}
g_timer_stop (timer);
g_print ("smart synchronous forward search, case sensitive: %lf seconds.\n",
g_timer_elapsed (timer, NULL));
/* Regex search: search "foo" */
g_timer_start (timer);
gtk_source_search_settings_set_search_text (search_settings, NULL);
gtk_source_search_settings_set_regex_enabled (search_settings, TRUE);
gtk_source_search_settings_set_search_text (search_settings, "foo");
gtk_text_buffer_get_start_iter (GTK_TEXT_BUFFER (buffer), &iter);
while (gtk_source_search_context_forward (search_context, &iter, NULL, &match_end, NULL))
{
iter = match_end;
}
g_timer_stop (timer);
g_print ("regex search: 'foo' (no partial matches): %lf seconds.\n",
g_timer_elapsed (timer, NULL));
/* Regex search: search "fill" */
g_timer_start (timer);
gtk_source_search_settings_set_search_text (search_settings, "fill");
gtk_text_buffer_get_start_iter (GTK_TEXT_BUFFER (buffer), &iter);
while (gtk_source_search_context_forward (search_context, &iter, NULL, &match_end, NULL))
{
iter = match_end;
}
g_timer_stop (timer);
g_print ("regex search: 'fill' (no partial matches): %lf seconds.\n",
g_timer_elapsed (timer, NULL));
/* Regex search: search single lines */
g_timer_start (timer);
gtk_source_search_settings_set_search_text (search_settings, ".*");
gtk_text_buffer_get_start_iter (GTK_TEXT_BUFFER (buffer), &iter);
while (gtk_source_search_context_forward (search_context, &iter, NULL, &match_end, NULL))
{
iter = match_end;
}
g_timer_stop (timer);
g_print ("regex search: match single lines (no partial matches): %lf seconds.\n",
g_timer_elapsed (timer, NULL));
/* Regex search: search matches of 3 lines */
g_timer_start (timer);
/* The space at the beginning of the pattern permits to not have contiguous
* matches. There is a performance issue with contiguous matches.
*/
gtk_source_search_settings_set_search_text (search_settings, " (.*\n){3}");
gtk_text_buffer_get_start_iter (GTK_TEXT_BUFFER (buffer), &iter);
while (gtk_source_search_context_forward (search_context, &iter, NULL, &match_end, NULL))
{
iter = match_end;
}
g_timer_stop (timer);
g_print ("regex search: matches of 3 lines (small partial matches): %lf seconds.\n",
g_timer_elapsed (timer, NULL));
/* Regex search: search matches of really big chunks */
g_timer_start (timer);
regex_pattern = g_strdup_printf (" (.*\n){%d}", NB_LINES / 10);
gtk_source_search_settings_set_search_text (search_settings, regex_pattern);
g_free (regex_pattern);
gtk_text_buffer_get_start_iter (GTK_TEXT_BUFFER (buffer), &iter);
while (gtk_source_search_context_forward (search_context, &iter, NULL, &match_end, NULL))
{
iter = match_end;
}
g_timer_stop (timer);
g_print ("regex search: 10 matches of %d lines (big partial matches): %lf seconds.\n",
NB_LINES / 10,
g_timer_elapsed (timer, NULL));
/* Smart search, case sensitive, asynchronous */
/* The asynchronous overhead doesn't depend on the search flags, it
* depends on the maximum number of lines to scan in one batch, and
* (obviously), on the buffer size.
* You can tune SCAN_BATCH_SIZE in gtksourcesearchcontext.c to see a
* difference in the overhead.
*/
g_signal_connect (search_context,
"notify::occurrences-count",
G_CALLBACK (on_notify_search_occurrences_count_cb),
timer);
g_timer_start (timer);
gtk_source_search_settings_set_search_text (search_settings, NULL);
gtk_source_search_settings_set_regex_enabled (search_settings, FALSE);
gtk_source_search_settings_set_search_text (search_settings, "foo");
gtk_main ();
return 0;
}
