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-rw-r--r--Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-hangul.cc47
1 files changed, 22 insertions, 25 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-hangul.cc b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-hangul.cc
index f5915f43ae4..dbedd6af0c6 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-hangul.cc
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-hangul.cc
@@ -119,7 +119,7 @@ data_destroy_hangul (void *data)
#define isHangulTone(u) (hb_in_range<hb_codepoint_t> ((u), 0x302Eu, 0x302Fu))
/* buffer var allocations */
-#define hangul_shaping_feature() complex_var_u8_0() /* hangul jamo shaping feature */
+#define hangul_shaping_feature() complex_var_u8_auxiliary() /* hangul jamo shaping feature */
static bool
is_zero_width_char (hb_font_t *font,
@@ -205,7 +205,7 @@ preprocess_text_hangul (const hb_ot_shape_plan_t *plan HB_UNUSED,
{
/* Tone mark follows a valid syllable; move it in front, unless it's zero width. */
buffer->unsafe_to_break_from_outbuffer (start, buffer->idx);
- buffer->next_glyph ();
+ if (unlikely (!buffer->next_glyph ())) break;
if (!is_zero_width_char (font, u))
{
buffer->merge_out_clusters (start, end + 1);
@@ -218,23 +218,25 @@ preprocess_text_hangul (const hb_ot_shape_plan_t *plan HB_UNUSED,
else
{
/* No valid syllable as base for tone mark; try to insert dotted circle. */
- if (!(buffer->flags & HB_BUFFER_FLAG_DO_NOT_INSERT_DOTTED_CIRCLE) &&
- font->has_glyph (0x25CCu))
+ if (!(buffer->flags & HB_BUFFER_FLAG_DO_NOT_INSERT_DOTTED_CIRCLE) &&
+ font->has_glyph (0x25CCu))
{
hb_codepoint_t chars[2];
- if (!is_zero_width_char (font, u)) {
+ if (!is_zero_width_char (font, u))
+ {
chars[0] = u;
chars[1] = 0x25CCu;
- } else {
+ } else
+ {
chars[0] = 0x25CCu;
chars[1] = u;
}
- buffer->replace_glyphs (1, 2, chars);
+ (void) buffer->replace_glyphs (1, 2, chars);
}
else
{
/* No dotted circle available in the font; just leave tone mark untouched. */
- buffer->next_glyph ();
+ (void) buffer->next_glyph ();
}
}
start = end = buffer->out_len;
@@ -271,9 +273,7 @@ preprocess_text_hangul (const hb_ot_shape_plan_t *plan HB_UNUSED,
hb_codepoint_t s = SBase + (l - LBase) * NCount + (v - VBase) * TCount + tindex;
if (font->has_glyph (s))
{
- buffer->replace_glyphs (t ? 3 : 2, 1, &s);
- if (unlikely (!buffer->successful))
- return;
+ (void) buffer->replace_glyphs (t ? 3 : 2, 1, &s);
end = start + 1;
continue;
}
@@ -285,17 +285,19 @@ preprocess_text_hangul (const hb_ot_shape_plan_t *plan HB_UNUSED,
* Set jamo features on the individual glyphs, and advance past them.
*/
buffer->cur().hangul_shaping_feature() = LJMO;
- buffer->next_glyph ();
+ (void) buffer->next_glyph ();
buffer->cur().hangul_shaping_feature() = VJMO;
- buffer->next_glyph ();
+ (void) buffer->next_glyph ();
if (t)
{
buffer->cur().hangul_shaping_feature() = TJMO;
- buffer->next_glyph ();
+ (void) buffer->next_glyph ();
end = start + 3;
}
else
end = start + 2;
+ if (unlikely (!buffer->successful))
+ break;
if (buffer->cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES)
buffer->merge_out_clusters (start, end);
continue;
@@ -321,9 +323,7 @@ preprocess_text_hangul (const hb_ot_shape_plan_t *plan HB_UNUSED,
hb_codepoint_t new_s = s + new_tindex;
if (font->has_glyph (new_s))
{
- buffer->replace_glyphs (2, 1, &new_s);
- if (unlikely (!buffer->successful))
- return;
+ (void) buffer->replace_glyphs (2, 1, &new_s);
end = start + 1;
continue;
}
@@ -347,19 +347,18 @@ preprocess_text_hangul (const hb_ot_shape_plan_t *plan HB_UNUSED,
(!tindex || font->has_glyph (decomposed[2])))
{
unsigned int s_len = tindex ? 3 : 2;
- buffer->replace_glyphs (1, s_len, decomposed);
+ (void) buffer->replace_glyphs (1, s_len, decomposed);
/* If we decomposed an LV because of a non-combining T following,
* we want to include this T in the syllable.
*/
if (has_glyph && !tindex)
{
- buffer->next_glyph ();
+ (void) buffer->next_glyph ();
s_len++;
}
-
if (unlikely (!buffer->successful))
- return;
+ break;
/* We decomposed S: apply jamo features to the individual glyphs
* that are now in buffer->out_info.
@@ -383,17 +382,15 @@ preprocess_text_hangul (const hb_ot_shape_plan_t *plan HB_UNUSED,
if (has_glyph)
{
- /* We didn't decompose the S, so just advance past it. */
+ /* We didn't decompose the S, so just advance past it and fall through. */
end = start + 1;
- buffer->next_glyph ();
- continue;
}
}
/* Didn't find a recognizable syllable, so we leave end <= start;
* this will prevent tone-mark reordering happening.
*/
- buffer->next_glyph ();
+ (void) buffer->next_glyph ();
}
buffer->swap_buffers ();
}