1 files changed, 24 insertions, 7 deletions

diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-buffer.cc b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-buffer.cc
index 4fadbb78d23..1458cda128a 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-buffer.cc
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-buffer.cc
@@ -50,7 +50,7 @@
  * Checks the equality of two #hb_segment_properties_t's.
  *
  * Return value:
- * %true if all properties of @a equal those of @b, false otherwise.
+ * %true if all properties of @a equal those of @b, %false otherwise.
  *
  * Since: 0.9.7
  **/
@@ -617,8 +617,7 @@ hb_buffer_t::unsafe_to_break_from_outbuffer (unsigned int start, unsigned int en
 void
 hb_buffer_t::guess_segment_properties ()
 {
-  assert ((content_type == HB_BUFFER_CONTENT_TYPE_UNICODE) ||
-	  (!len && (content_type == HB_BUFFER_CONTENT_TYPE_INVALID)));
+  assert_unicode ();
 
   /* If script is set to INVALID, guess from buffer contents */
   if (props.script == HB_SCRIPT_INVALID) {
@@ -1405,6 +1404,25 @@ hb_buffer_get_glyph_positions (hb_buffer_t  *buffer,
 }
 
 /**
+ * hb_buffer_has_positions:
+ * @buffer: an #hb_buffer_t.
+ *
+ * Returns whether @buffer has glyph position data.
+ * A buffer gains position data when hb_buffer_get_glyph_positions() is called on it,
+ * and cleared of position data when hb_buffer_clear_contents() is called.
+ *
+ * Return value:
+ * %true if the @buffer has position array, %false otherwise.
+ *
+ * Since: 2.7.3
+ **/
+HB_EXTERN hb_bool_t
+hb_buffer_has_positions (hb_buffer_t  *buffer)
+{
+  return buffer->have_positions;
+}
+
+/**
  * hb_glyph_info_get_glyph_flags:
  * @info: a #hb_glyph_info_t.
  *
@@ -1513,8 +1531,7 @@ hb_buffer_add_utf (hb_buffer_t  *buffer,
   typedef typename utf_t::codepoint_t T;
   const hb_codepoint_t replacement = buffer->replacement;
 
-  assert ((buffer->content_type == HB_BUFFER_CONTENT_TYPE_UNICODE) ||
-	  (!buffer->len && (buffer->content_type == HB_BUFFER_CONTENT_TYPE_INVALID)));
+  buffer->assert_unicode ();
 
   if (unlikely (hb_object_is_immutable (buffer)))
     return;
@@ -1834,8 +1851,8 @@ void
 hb_buffer_normalize_glyphs (hb_buffer_t *buffer)
 {
   assert (buffer->have_positions);
-  assert ((buffer->content_type == HB_BUFFER_CONTENT_TYPE_GLYPHS) ||
-	  (!buffer->len && (buffer->content_type == HB_BUFFER_CONTENT_TYPE_INVALID)));
+
+  buffer->assert_glyphs ();
 
   bool backward = HB_DIRECTION_IS_BACKWARD (buffer->props.direction);