683   hb_buffer_t *buffer;  in hb_buffer_create()  local
685   if (!(buffer = hb_object_create<hb_buffer_t> ()))  in hb_buffer_create()
688   buffer->max_len = HB_BUFFER_MAX_LEN_DEFAULT;  in hb_buffer_create()
690   buffer->reset ();  in hb_buffer_create()
692   return buffer;  in hb_buffer_create()
742 hb_buffer_reference (hb_buffer_t *buffer)  in hb_buffer_reference()  argument
744   return hb_object_reference (buffer);  in hb_buffer_reference()
758 hb_buffer_destroy (hb_buffer_t *buffer)  in hb_buffer_destroy()  argument
760   if (!hb_object_destroy (buffer)) return;  in hb_buffer_destroy()
762   hb_unicode_funcs_destroy (buffer->unicode);  in hb_buffer_destroy()
764   free (buffer->info);  in hb_buffer_destroy()
765   free (buffer->pos);  in hb_buffer_destroy()
766   if (buffer->message_destroy)  in hb_buffer_destroy()
767     buffer->message_destroy (buffer->message_data);  in hb_buffer_destroy()
769   free (buffer);  in hb_buffer_destroy()
787 hb_buffer_set_user_data (hb_buffer_t        *buffer,  in hb_buffer_set_user_data()  argument
793   return hb_object_set_user_data (buffer, key, data, destroy, replace);  in hb_buffer_set_user_data()
808 hb_buffer_get_user_data (hb_buffer_t        *buffer,  in hb_buffer_get_user_data()  argument
811   return hb_object_get_user_data (buffer, key);  in hb_buffer_get_user_data()
826 hb_buffer_set_content_type (hb_buffer_t              *buffer,  in hb_buffer_set_content_type()  argument
829   buffer->content_type = content_type;  in hb_buffer_set_content_type()
844 hb_buffer_get_content_type (hb_buffer_t *buffer)  in hb_buffer_get_content_type()  argument
846   return buffer->content_type;  in hb_buffer_get_content_type()
860 hb_buffer_set_unicode_funcs (hb_buffer_t        *buffer,  in hb_buffer_set_unicode_funcs()  argument
863   if (unlikely (hb_object_is_inert (buffer)))  in hb_buffer_set_unicode_funcs()
871   hb_unicode_funcs_destroy (buffer->unicode);  in hb_buffer_set_unicode_funcs()
872   buffer->unicode = unicode_funcs;  in hb_buffer_set_unicode_funcs()
886 hb_buffer_get_unicode_funcs (hb_buffer_t        *buffer)  in hb_buffer_get_unicode_funcs()  argument
888   return buffer->unicode;  in hb_buffer_get_unicode_funcs()
907 hb_buffer_set_direction (hb_buffer_t    *buffer,  in hb_buffer_set_direction()  argument
911   if (unlikely (hb_object_is_inert (buffer)))  in hb_buffer_set_direction()
914   buffer->props.direction = direction;  in hb_buffer_set_direction()
929 hb_buffer_get_direction (hb_buffer_t    *buffer)  in hb_buffer_get_direction()  argument
931   return buffer->props.direction;  in hb_buffer_get_direction()
952 hb_buffer_set_script (hb_buffer_t *buffer,  in hb_buffer_set_script()  argument
955   if (unlikely (hb_object_is_inert (buffer)))  in hb_buffer_set_script()
958   buffer->props.script = script;  in hb_buffer_set_script()
973 hb_buffer_get_script (hb_buffer_t *buffer)  in hb_buffer_get_script()  argument
975   return buffer->props.script;  in hb_buffer_get_script()
996 hb_buffer_set_language (hb_buffer_t   *buffer,  in hb_buffer_set_language()  argument
999   if (unlikely (hb_object_is_inert (buffer)))  in hb_buffer_set_language()
1002   buffer->props.language = language;  in hb_buffer_set_language()
1017 hb_buffer_get_language (hb_buffer_t *buffer)  in hb_buffer_get_language()  argument
1019   return buffer->props.language;  in hb_buffer_get_language()
1034 hb_buffer_set_segment_properties (hb_buffer_t *buffer,  in hb_buffer_set_segment_properties()  argument
1037   if (unlikely (hb_object_is_inert (buffer)))  in hb_buffer_set_segment_properties()
1040   buffer->props = *props;  in hb_buffer_set_segment_properties()
1053 hb_buffer_get_segment_properties (hb_buffer_t *buffer,  in hb_buffer_get_segment_properties()  argument
1056   *props = buffer->props;  in hb_buffer_get_segment_properties()
1070 hb_buffer_set_flags (hb_buffer_t       *buffer,  in hb_buffer_set_flags()  argument
1073   if (unlikely (hb_object_is_inert (buffer)))  in hb_buffer_set_flags()
1076   buffer->flags = flags;  in hb_buffer_set_flags()
1091 hb_buffer_get_flags (hb_buffer_t *buffer)  in hb_buffer_get_flags()  argument
1093   return buffer->flags;  in hb_buffer_get_flags()
1106 hb_buffer_set_cluster_level (hb_buffer_t       *buffer,  in hb_buffer_set_cluster_level()  argument
1109   if (unlikely (hb_object_is_inert (buffer)))  in hb_buffer_set_cluster_level()
1112   buffer->cluster_level = cluster_level;  in hb_buffer_set_cluster_level()
1126 hb_buffer_get_cluster_level (hb_buffer_t *buffer)  in hb_buffer_get_cluster_level()  argument
1128   return buffer->cluster_level;  in hb_buffer_get_cluster_level()
1145 hb_buffer_set_replacement_codepoint (hb_buffer_t    *buffer,  in hb_buffer_set_replacement_codepoint()  argument
1148   if (unlikely (hb_object_is_inert (buffer)))  in hb_buffer_set_replacement_codepoint()
1151   buffer->replacement = replacement;  in hb_buffer_set_replacement_codepoint()
1166 hb_buffer_get_replacement_codepoint (hb_buffer_t    *buffer)  in hb_buffer_get_replacement_codepoint()  argument
1168   return buffer->replacement;  in hb_buffer_get_replacement_codepoint()
1182 hb_buffer_reset (hb_buffer_t *buffer)  in hb_buffer_reset()  argument
1184   buffer->reset ();  in hb_buffer_reset()
1197 hb_buffer_clear_contents (hb_buffer_t *buffer)  in hb_buffer_clear_contents()  argument
1199   buffer->clear ();  in hb_buffer_clear_contents()
1215 hb_buffer_pre_allocate (hb_buffer_t *buffer, unsigned int size)  in hb_buffer_pre_allocate()  argument
1217   return buffer->ensure (size);  in hb_buffer_pre_allocate()
1232 hb_buffer_allocation_successful (hb_buffer_t  *buffer)  in hb_buffer_allocation_successful()  argument
1234   return !buffer->in_error;  in hb_buffer_allocation_successful()
1255 hb_buffer_add (hb_buffer_t    *buffer,  in hb_buffer_add()  argument
1259   buffer->add (codepoint, cluster);  in hb_buffer_add()
1260   buffer->clear_context (1);  in hb_buffer_add()
1277 hb_buffer_set_length (hb_buffer_t  *buffer,  in hb_buffer_set_length()  argument
1280   if (unlikely (hb_object_is_inert (buffer)))  in hb_buffer_set_length()
1283   if (!buffer->ensure (length))  in hb_buffer_set_length()
1287   if (length > buffer->len) {  in hb_buffer_set_length()
1288     memset (buffer->info + buffer->len, 0, sizeof (buffer->info[0]) * (length - buffer->len));  in hb_buffer_set_length()
1289     if (buffer->have_positions)  in hb_buffer_set_length()
1290       memset (buffer->pos + buffer->len, 0, sizeof (buffer->pos[0]) * (length - buffer->len));  in hb_buffer_set_length()
1293   buffer->len = length;  in hb_buffer_set_length()
1297     buffer->content_type = HB_BUFFER_CONTENT_TYPE_INVALID;  in hb_buffer_set_length()
1298     buffer->clear_context (0);  in hb_buffer_set_length()
1300   buffer->clear_context (1);  in hb_buffer_set_length()
1318 hb_buffer_get_length (hb_buffer_t *buffer)  in hb_buffer_get_length()  argument
1320   return buffer->len;  in hb_buffer_get_length()
1338 hb_buffer_get_glyph_infos (hb_buffer_t  *buffer,  in hb_buffer_get_glyph_infos()  argument
1342     *length = buffer->len;  in hb_buffer_get_glyph_infos()
1344   return (hb_glyph_info_t *) buffer->info;  in hb_buffer_get_glyph_infos()
1362 hb_buffer_get_glyph_positions (hb_buffer_t  *buffer,  in hb_buffer_get_glyph_positions()  argument
1365   if (!buffer->have_positions)  in hb_buffer_get_glyph_positions()
1366     buffer->clear_positions ();  in hb_buffer_get_glyph_positions()
1369     *length = buffer->len;  in hb_buffer_get_glyph_positions()
1371   return (hb_glyph_position_t *) buffer->pos;  in hb_buffer_get_glyph_positions()
1383 hb_buffer_reverse (hb_buffer_t *buffer)  in hb_buffer_reverse()  argument
1385   buffer->reverse ();  in hb_buffer_reverse()
1399 hb_buffer_reverse_range (hb_buffer_t *buffer,  in hb_buffer_reverse_range()  argument
1402   buffer->reverse_range (start, end);  in hb_buffer_reverse_range()
1416 hb_buffer_reverse_clusters (hb_buffer_t *buffer)  in hb_buffer_reverse_clusters()  argument
1418   buffer->reverse_clusters ();  in hb_buffer_reverse_clusters()
1446 hb_buffer_guess_segment_properties (hb_buffer_t *buffer)  in hb_buffer_guess_segment_properties()  argument
1448   buffer->guess_segment_properties ();  in hb_buffer_guess_segment_properties()
1453 hb_buffer_add_utf (hb_buffer_t  *buffer,  in hb_buffer_add_utf()  argument
1460   const hb_codepoint_t replacement = buffer->replacement;  in hb_buffer_add_utf()
1462   assert (buffer->content_type == HB_BUFFER_CONTENT_TYPE_UNICODE ||  in hb_buffer_add_utf()
1463 	  (!buffer->len && buffer->content_type == HB_BUFFER_CONTENT_TYPE_INVALID));  in hb_buffer_add_utf()
1465   if (unlikely (hb_object_is_inert (buffer)))  in hb_buffer_add_utf()
1474   buffer->ensure (buffer->len + item_length * sizeof (T) / 4);  in hb_buffer_add_utf()
1483   if (!buffer->len && item_offset > 0)  in hb_buffer_add_utf()
1486     buffer->clear_context (0);  in hb_buffer_add_utf()
1489     while (start < prev && buffer->context_len[0] < buffer->CONTEXT_LENGTH)  in hb_buffer_add_utf()
1493       buffer->context[0][buffer->context_len[0]++] = u;  in hb_buffer_add_utf()
1504     buffer->add (u, old_next - (const T *) text);  in hb_buffer_add_utf()
1508   buffer->clear_context (1);  in hb_buffer_add_utf()
1510   while (next < end && buffer->context_len[1] < buffer->CONTEXT_LENGTH)  in hb_buffer_add_utf()
1514     buffer->context[1][buffer->context_len[1]++] = u;  in hb_buffer_add_utf()
1517   buffer->content_type = HB_BUFFER_CONTENT_TYPE_UNICODE;  in hb_buffer_add_utf()
1538 hb_buffer_add_utf8 (hb_buffer_t  *buffer,  in hb_buffer_add_utf8()  argument
1544 …hb_buffer_add_utf<hb_utf8_t> (buffer, (const uint8_t *) text, text_length, item_offset, item_lengt…  in hb_buffer_add_utf8()
1564 hb_buffer_add_utf16 (hb_buffer_t    *buffer,  in hb_buffer_add_utf16()  argument
1570   hb_buffer_add_utf<hb_utf16_t> (buffer, text, text_length, item_offset, item_length);  in hb_buffer_add_utf16()
1590 hb_buffer_add_utf32 (hb_buffer_t    *buffer,  in hb_buffer_add_utf32()  argument
1596   hb_buffer_add_utf<hb_utf32_t<> > (buffer, text, text_length, item_offset, item_length);  in hb_buffer_add_utf32()
1617 hb_buffer_add_latin1 (hb_buffer_t   *buffer,  in hb_buffer_add_latin1()  argument
1623   hb_buffer_add_utf<hb_latin1_t> (buffer, text, text_length, item_offset, item_length);  in hb_buffer_add_latin1()
1651 hb_buffer_add_codepoints (hb_buffer_t          *buffer,  in hb_buffer_add_codepoints()  argument
1657   hb_buffer_add_utf<hb_utf32_t<false> > (buffer, text, text_length, item_offset, item_length);  in hb_buffer_add_codepoints()
1669 normalize_glyphs_cluster (hb_buffer_t *buffer,  in normalize_glyphs_cluster()  argument
1674   hb_glyph_position_t *pos = buffer->pos;  in normalize_glyphs_cluster()
1703 …hb_stable_sort (buffer->info + start, end - start - 1, compare_info_codepoint, buffer->pos + start…  in normalize_glyphs_cluster()
1712 …hb_stable_sort (buffer->info + start + 1, end - start - 1, compare_info_codepoint, buffer->pos + s…  in normalize_glyphs_cluster()
1728 hb_buffer_normalize_glyphs (hb_buffer_t *buffer)  in hb_buffer_normalize_glyphs()  argument
1730   assert (buffer->have_positions);  in hb_buffer_normalize_glyphs()
1731   assert (buffer->content_type == HB_BUFFER_CONTENT_TYPE_GLYPHS);  in hb_buffer_normalize_glyphs()
1733   bool backward = HB_DIRECTION_IS_BACKWARD (buffer->props.direction);  in hb_buffer_normalize_glyphs()
1735   unsigned int count = buffer->len;  in hb_buffer_normalize_glyphs()
1737   hb_glyph_info_t *info = buffer->info;  in hb_buffer_normalize_glyphs()
1743       normalize_glyphs_cluster (buffer, start, end, backward);  in hb_buffer_normalize_glyphs()
1746   normalize_glyphs_cluster (buffer, start, end, backward);  in hb_buffer_normalize_glyphs()
1786 hb_buffer_set_message_func (hb_buffer_t *buffer,  in hb_buffer_set_message_func()  argument
1790   if (buffer->message_destroy)  in hb_buffer_set_message_func()
1791     buffer->message_destroy (buffer->message_data);  in hb_buffer_set_message_func()
1794     buffer->message_func = func;  in hb_buffer_set_message_func()
1795     buffer->message_data = user_data;  in hb_buffer_set_message_func()
1796     buffer->message_destroy = destroy;  in hb_buffer_set_message_func()
1798     buffer->message_func = NULL;  in hb_buffer_set_message_func()
1799     buffer->message_data = NULL;  in hb_buffer_set_message_func()
1800     buffer->message_destroy = NULL;  in hb_buffer_set_message_func()