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authorAkira Kakuto <kakuto@fuk.kindai.ac.jp>2018-10-19 23:02:01 +0000
committerAkira Kakuto <kakuto@fuk.kindai.ac.jp>2018-10-19 23:02:01 +0000
commit4ca29e7f53a6b8a57f2f64c3c3e9a0b423e76429 (patch)
treed9b59fe0f8f0a178fc2f4aac4f26ddca36434038 /Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-khmer-machine.rl
parentbd0c56dddccc51f470df742260cb6137223d1dda (diff)
harfbuzz 2.0.0
git-svn-id: svn://tug.org/texlive/trunk@48949 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-khmer-machine.rl')
-rw-r--r--Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-khmer-machine.rl50
1 files changed, 27 insertions, 23 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-khmer-machine.rl b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-khmer-machine.rl
index 7c7951629cc..4c596ab6425 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-khmer-machine.rl
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-khmer-machine.rl
@@ -40,28 +40,34 @@
# Same order as enum khmer_category_t. Not sure how to avoid duplication.
C = 1;
V = 2;
-N = 3;
ZWNJ = 5;
ZWJ = 6;
-M = 7;
-SM = 8;
PLACEHOLDER = 11;
DOTTEDCIRCLE = 12;
-RS = 13;
-Coeng = 14;
-Ra = 16;
-
-c = (C | Ra | V); # is_consonant
-n = ((ZWNJ?.RS)? (N.N?)?); # is_consonant_modifier
-z = ZWJ|ZWNJ; # is_joiner
-
-cn = c.n?;
-matra_group = z?.M.N?;
-syllable_tail = (SM.SM?)?;
-
-
-broken_cluster = n? (Coeng.cn)* matra_group* (Coeng.cn)? syllable_tail;
-consonant_syllable = (c|PLACEHOLDER|DOTTEDCIRCLE) broken_cluster;
+Coeng= 14;
+Ra = 16;
+Robatic = 20;
+Xgroup = 21;
+Ygroup = 22;
+VAbv = 26;
+VBlw = 27;
+VPre = 28;
+VPst = 29;
+
+c = (C | Ra | V);
+cn = c.((ZWJ|ZWNJ)?.Robatic)?;
+joiner = (ZWJ | ZWNJ);
+xgroup = (joiner*.Xgroup)*;
+ygroup = Ygroup*;
+
+# This grammar was experimentally extracted from what Uniscribe allows.
+
+matra_group = VPre? xgroup VBlw? xgroup (joiner?.VAbv)? xgroup VPst?;
+syllable_tail = xgroup matra_group xgroup (Coeng.c)? ygroup;
+
+
+broken_cluster = (Coeng.cn)* syllable_tail;
+consonant_syllable = (cn|PLACEHOLDER|DOTTEDCIRCLE) broken_cluster;
other = any;
main := |*
@@ -75,10 +81,9 @@ main := |*
#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++) \
+ if (0) fprintf (stderr, "syllable %d..%d %s\n", ts, te, #syllable_type); \
+ for (unsigned int i = ts; i < te; 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
@@ -86,7 +91,7 @@ main := |*
static void
find_syllables (hb_buffer_t *buffer)
{
- unsigned int p, pe, eof, ts HB_UNUSED, te, act HB_UNUSED;
+ unsigned int p, pe, eof, ts, te, act HB_UNUSED;
int cs;
hb_glyph_info_t *info = buffer->info;
%%{
@@ -97,7 +102,6 @@ find_syllables (hb_buffer_t *buffer)
p = 0;
pe = eof = buffer->len;
- unsigned int last = 0;
unsigned int syllable_serial = 1;
%%{
write exec;