Add m-esr52 at 52.6.0

1 files changed, 128 insertions, 0 deletions

diff --git a/gfx/harfbuzz/src/hb-ot-shape-complex-myanmar-machine.rl b/gfx/harfbuzz/src/hb-ot-shape-complex-myanmar-machine.rl
new file mode 100644
index 000000000..9649a916f
--- /dev/null
+++ b/gfx/harfbuzz/src/hb-ot-shape-complex-myanmar-machine.rl
@@ -0,0 +1,128 @@
+/*
+ * Copyright © 2011,2012  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_OT_SHAPE_COMPLEX_MYANMAR_MACHINE_HH
+#define HB_OT_SHAPE_COMPLEX_MYANMAR_MACHINE_HH
+
+#include "hb-private.hh"
+
+%%{
+  machine myanmar_syllable_machine;
+  alphtype unsigned char;
+  write data;
+}%%
+
+%%{
+
+# Same order as enum myanmar_category_t.  Not sure how to avoid duplication.
+A    = 10;
+As   = 18;
+C    = 1;
+D    = 19;
+D0   = 20;
+DB   = 3;
+GB   = 11;
+H    = 4;
+IV   = 2;
+MH   = 21;
+MR   = 22;
+MW   = 23;
+MY   = 24;
+PT   = 25;
+V    = 8;
+VAbv = 26;
+VBlw = 27;
+VPre = 28;
+VPst = 29;
+VS   = 30;
+ZWJ  = 6;
+ZWNJ = 5;
+Ra   = 16;
+P    = 31;
+
+j = ZWJ|ZWNJ;			# Joiners
+k = (Ra As H);			# Kinzi
+
+c = C|Ra;			# is_consonant
+
+medial_group = MY? MR? MW? MH? As?;
+main_vowel_group = VPre* VAbv* VBlw* A* (DB As?)?;
+post_vowel_group = VPst MH? As* VAbv* A* (DB As?)?;
+pwo_tone_group = PT A* DB? As?;
+
+complex_syllable_tail = As* medial_group main_vowel_group post_vowel_group* pwo_tone_group* V* j?;
+syllable_tail = (H | complex_syllable_tail);
+
+consonant_syllable =	k? (c|IV|D|GB).VS? (H (c|IV).VS?)* syllable_tail;
+punctuation_cluster = 	P V;
+broken_cluster =	k? VS? syllable_tail;
+other =			any;
+
+main := |*
+	consonant_syllable	=> { found_syllable (consonant_syllable); };
+	j			=> { found_syllable (non_myanmar_cluster); };
+	punctuation_cluster	=> { found_syllable (punctuation_cluster); };
+	broken_cluster		=> { found_syllable (broken_cluster); };
+	other			=> { found_syllable (non_myanmar_cluster); };
+*|;
+
+
+}%%
+
+#define found_syllable(syllable_type) \
+  HB_STMT_START { \
+    if (0) fprintf (stderr, "syllable %d..%d %s\n", last, p+1, #syllable_type); \
+    for (unsigned int i = last; i < p+1; i++) \
+      info[i].syllable() = (syllable_serial << 4) | syllable_type; \
+    last = p+1; \
+    syllable_serial++; \
+    if (unlikely (syllable_serial == 16)) syllable_serial = 1; \
+  } HB_STMT_END
+
+static void
+find_syllables (hb_buffer_t *buffer)
+{
+  unsigned int p, pe, eof, ts HB_UNUSED, te HB_UNUSED, act HB_UNUSED;
+  int cs;
+  hb_glyph_info_t *info = buffer->info;
+  %%{
+    write init;
+    getkey info[p].myanmar_category();
+  }%%
+
+  p = 0;
+  pe = eof = buffer->len;
+
+  unsigned int last = 0;
+  unsigned int syllable_serial = 1;
+  %%{
+    write exec;
+  }%%
+}
+
+#undef found_syllable
+
+#endif /* HB_OT_SHAPE_COMPLEX_MYANMAR_MACHINE_HH */