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handle the case of \r and \n split across lines. Bug #337022. add unit

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2006-04-05  Paolo Borelli  <pborelli@katamail.com>

	* gtk/gtktextiter.c (gtk_text_iter_ends_line): handle the case of \r
	and \n split across lines. Bug #337022.
	* tests/testtextbuffer.c: add unit test.
This commit is contained in:
Paolo Borelli 2006-04-05 18:30:46 +00:00 committed by Paolo Borelli
parent 3797d5a34e
commit f58c7f1ae8
4 changed files with 58 additions and 3 deletions
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6
ChangeLog
View File

@ -1,3 +1,9 @@
2006-04-05 Paolo Borelli <pborelli@katamail.com>
* gtk/gtktextiter.c (gtk_text_iter_ends_line): handle the case of \r
and \n split across lines. Bug #337022.
* tests/testtextbuffer.c: add unit test.
Tue Apr 4 12:25:36 2006 Søren Sandmann <sandmann@redhat.com>
* gdk/x11/gdkimage-x11.c (gdk_image_class_init): Add "_private" to

6
ChangeLog.pre-2-10
View File

@ -1,3 +1,9 @@
2006-04-05 Paolo Borelli <pborelli@katamail.com>
* gtk/gtktextiter.c (gtk_text_iter_ends_line): handle the case of \r
and \n split across lines. Bug #337022.
* tests/testtextbuffer.c: add unit test.
Tue Apr 4 12:25:36 2006 Søren Sandmann <sandmann@redhat.com>
* gdk/x11/gdkimage-x11.c (gdk_image_class_init): Add "_private" to

19
gtk/gtktextiter.c
View File

@ -1564,10 +1564,23 @@ gtk_text_iter_ends_line (const GtkTextIter *iter)
return TRUE;
else if (wc == '\n')
{
/* need to determine if a \r precedes the \n, in which case
* we aren't the end of the line
*/
GtkTextIter tmp = *iter;
/* need to determine if a \r precedes the \n, in which case
* we aren't the end of the line.
* Note however that if \r and \n are on different lines, they
* both are terminators. This for instance may happen after
* deleting some text:
1 some text\r delete 'a' 1 some text\r
2 a\n ---------> 2 \n
3 ... 3 ...
*/
if (gtk_text_iter_get_line_offset (&tmp) == 0)
return TRUE;
if (!gtk_text_iter_backward_char (&tmp))
return TRUE;

30
tests/testtextbuffer.c
View File

@ -960,6 +960,34 @@ test_line_separation (const char* str,
g_object_unref (buffer);
}
/* there are cases where \r and \n should not be treated like \r\n,
* originally bug #337022. */
static void
split_r_n_separators_test (void)
{
GtkTextBuffer *buffer;
GtkTextIter iter;
buffer = gtk_text_buffer_new (NULL);
gtk_text_buffer_set_text (buffer, "foo\ra\nbar\n", -1);
/* delete 'a' so that we have
1 foo\r
2 \n
3 bar\n
* and both \r and \n are line separators */
gtk_text_buffer_get_iter_at_offset (buffer, &iter, 5);
gtk_text_buffer_backspace (buffer, &iter, TRUE, TRUE);
g_assert (gtk_text_iter_ends_line (&iter));
gtk_text_buffer_get_iter_at_offset (buffer, &iter, 3);
g_assert (gtk_text_iter_ends_line (&iter));
}
static void
line_separator_tests (void)
@ -989,6 +1017,8 @@ line_separator_tests (void)
test_line_separation (str, TRUE, FALSE, 2, 4, 5);
g_free (str);
split_r_n_separators_test ();
g_print ("Line separator tests passed\n");
}