void hb_buffer_reset(hb_buffer_t * buffer)
{
if (hb_atomic_int32_get(&buffer->ref_cnt) == REF_CNT_INVALID_VAL)
return;
hb_unicode_funcs_destroy(buffer->unicode);
buffer->unicode = hb_unicode_funcs_get_default();
hb_buffer_clear(buffer);
}
void hb_buffer_set_unicode_funcs(hb_buffer_t * buffer,
hb_unicode_funcs_t * unicode_funcs)
{
if (hb_atomic_int32_get(&buffer->ref_cnt) == REF_CNT_INVALID_VAL)
return;
if (!unicode_funcs)
unicode_funcs = hb_unicode_funcs_get_default();
hb_unicode_funcs_reference(unicode_funcs);
hb_unicode_funcs_destroy(buffer->unicode);
buffer->unicode = unicode_funcs;
}
void
hb_buffer_t::reset (void)
{
if (unlikely (hb_object_is_inert (this)))
return;
hb_unicode_funcs_destroy (unicode);
unicode = hb_unicode_funcs_get_default ();
flags = HB_BUFFER_FLAG_DEFAULT;
replacement = HB_BUFFER_REPLACEMENT_CODEPOINT_DEFAULT;
clear ();
}
/**
* hb_buffer_destroy: (skip)
* @buffer: an #hb_buffer_t.
*
* Deallocate the @buffer.
* Decreases the reference count on @buffer by one. If the result is zero, then
* @buffer and all associated resources are freed. See hb_buffer_reference().
*
* Since: 0.9.2
**/
void
hb_buffer_destroy (hb_buffer_t *buffer)
{
if (!hb_object_destroy (buffer)) return;
hb_unicode_funcs_destroy (buffer->unicode);
free (buffer->info);
free (buffer->pos);
if (buffer->message_destroy)
buffer->message_destroy (buffer->message_data);
free (buffer);
}
/**
* hb_buffer_set_unicode_funcs:
* @buffer: an #hb_buffer_t.
* @unicode_funcs:
*
*
*
* Since: 0.9.2
**/
void
hb_buffer_set_unicode_funcs (hb_buffer_t *buffer,
hb_unicode_funcs_t *unicode_funcs)
{
if (unlikely (hb_object_is_inert (buffer)))
return;
if (!unicode_funcs)
unicode_funcs = hb_unicode_funcs_get_default ();
hb_unicode_funcs_reference (unicode_funcs);
hb_unicode_funcs_destroy (buffer->unicode);
buffer->unicode = unicode_funcs;
}
void hb_buffer_destroy(hb_buffer_t * buffer)
{
if (!buffer)
return;
if (hb_atomic_int32_get(&buffer->ref_cnt) == REF_CNT_INVALID_VAL)
return;
hb_atomic_int32_add(&buffer->ref_cnt, -1);
if (hb_atomic_int32_get(&buffer->ref_cnt) > 0)
return;
hb_atomic_int32_set(&buffer->ref_cnt, REF_CNT_INVALID_VAL);
hb_unicode_funcs_destroy(buffer->unicode);
free(buffer->info);
free(buffer->pos);
free(buffer);
}
static void
test_buffer_properties (fixture_t *fixture, gconstpointer user_data HB_UNUSED)
{
hb_buffer_t *b = fixture->buffer;
hb_unicode_funcs_t *ufuncs;
/* test default properties */
g_assert (hb_buffer_get_unicode_funcs (b) == hb_unicode_funcs_get_default ());
g_assert (hb_buffer_get_direction (b) == HB_DIRECTION_INVALID);
g_assert (hb_buffer_get_script (b) == HB_SCRIPT_INVALID);
g_assert (hb_buffer_get_language (b) == NULL);
/* test property changes are retained */
ufuncs = hb_unicode_funcs_create (NULL);
hb_buffer_set_unicode_funcs (b, ufuncs);
hb_unicode_funcs_destroy (ufuncs);
g_assert (hb_buffer_get_unicode_funcs (b) == ufuncs);
hb_buffer_set_direction (b, HB_DIRECTION_RTL);
g_assert (hb_buffer_get_direction (b) == HB_DIRECTION_RTL);
hb_buffer_set_script (b, HB_SCRIPT_ARABIC);
g_assert (hb_buffer_get_script (b) == HB_SCRIPT_ARABIC);
hb_buffer_set_language (b, hb_language_from_string ("fa", -1));
g_assert (hb_buffer_get_language (b) == hb_language_from_string ("Fa", -1));
hb_buffer_set_flags (b, HB_BUFFER_FLAG_BOT);
g_assert (hb_buffer_get_flags (b) == HB_BUFFER_FLAG_BOT);
hb_buffer_set_replacement_codepoint (b, (unsigned int) -1);
g_assert (hb_buffer_get_replacement_codepoint (b) == (unsigned int) -1);
/* test clear_contents clears all these properties: */
hb_buffer_clear_contents (b);
g_assert (hb_buffer_get_unicode_funcs (b) == ufuncs);
g_assert (hb_buffer_get_direction (b) == HB_DIRECTION_INVALID);
g_assert (hb_buffer_get_script (b) == HB_SCRIPT_INVALID);
g_assert (hb_buffer_get_language (b) == NULL);
/* but not these: */
g_assert (hb_buffer_get_flags (b) != HB_BUFFER_FLAGS_DEFAULT);
g_assert (hb_buffer_get_replacement_codepoint (b) != HB_BUFFER_REPLACEMENT_CODEPOINT_DEFAULT);
/* test reset clears all properties */
hb_buffer_set_direction (b, HB_DIRECTION_RTL);
g_assert (hb_buffer_get_direction (b) == HB_DIRECTION_RTL);
hb_buffer_set_script (b, HB_SCRIPT_ARABIC);
g_assert (hb_buffer_get_script (b) == HB_SCRIPT_ARABIC);
hb_buffer_set_language (b, hb_language_from_string ("fa", -1));
g_assert (hb_buffer_get_language (b) == hb_language_from_string ("Fa", -1));
hb_buffer_set_flags (b, HB_BUFFER_FLAG_BOT);
g_assert (hb_buffer_get_flags (b) == HB_BUFFER_FLAG_BOT);
hb_buffer_set_replacement_codepoint (b, (unsigned int) -1);
g_assert (hb_buffer_get_replacement_codepoint (b) == (unsigned int) -1);
hb_buffer_reset (b);
g_assert (hb_buffer_get_unicode_funcs (b) == hb_unicode_funcs_get_default ());
g_assert (hb_buffer_get_direction (b) == HB_DIRECTION_INVALID);
g_assert (hb_buffer_get_script (b) == HB_SCRIPT_INVALID);
g_assert (hb_buffer_get_language (b) == NULL);
g_assert (hb_buffer_get_flags (b) == HB_BUFFER_FLAGS_DEFAULT);
g_assert (hb_buffer_get_replacement_codepoint (b) == HB_BUFFER_REPLACEMENT_CODEPOINT_DEFAULT);
}
