print >>sys.stderr, "usage: ./gen-indic-table.py IndicSyllabicCategory.txt IndicMatraCategory.txt Blocks.txt"
sys.exit (1)
+BLACKLISTED_BLOCKS = ["Thai", "Lao", "Tibetan"]
+
files = [file (x) for x in sys.argv[1:]]
headers = [[f.readline () for i in range (2)] for f in files]
-blocks = {}
data = [{} for f in files]
values = [{} for f in files]
for i, f in enumerate (files):
for u in range (start, end + 1):
data[i][u] = t
- values[i][t] = values[i].get (t, 0) + 1
-
- if i == 2:
- blocks[t] = (start, end)
+ values[i][t] = values[i].get (t, 0) + end - start + 1
# Merge data into one dict:
defaults = ('Other', 'Not_Applicable', 'No_Block')
if not u in combined:
combined[u] = list (defaults)
combined[u][i] = v
+combined = {k:v for k,v in combined.items() if v[2] not in BLACKLISTED_BLOCKS}
data = combined
del combined
num = len (data)
+for u in [0x17CD, 0x17CE, 0x17CF, 0x17D0, 0x17D3]:
+ if data[u][0] == 'Other':
+ data[u][0] = "Vowel_Dependent"
+
# Move the outliers NO-BREAK SPACE and DOTTED CIRCLE out
singles = {}
for u in [0x00A0, 0x25CC]:
print " * %s" % (l.strip())
print " */"
print
-print "#ifndef HB_OT_SHAPE_COMPLEX_INDIC_TABLE_HH"
-print "#define HB_OT_SHAPE_COMPLEX_INDIC_TABLE_HH"
+print '#include "hb-ot-shape-complex-indic-private.hh"'
print
# Shorten values
short = [{
"Bindu": 'Bi',
+ "Cantillation_Mark": 'Ca',
+ "Joiner": 'ZWJ',
+ "Non_Joiner": 'ZWNJ',
+ "Number": 'Nd',
"Visarga": 'Vs',
"Vowel": 'Vo',
"Vowel_Dependent": 'M',
},{
"Not_Applicable": 'x',
}]
-all_shorts = [[],[]]
+all_shorts = [{},{}]
# Add some of the values, to make them more readable, and to avoid duplicates
for i in range (2):
for v,s in short[i].items ():
- all_shorts[i].append (s)
+ all_shorts[i][s] = v
what = ["INDIC_SYLLABIC_CATEGORY", "INDIC_MATRA_CATEGORY"]
what_short = ["ISC", "IMC"]
else:
s = ''.join ([c for c in v_no_and if ord ('A') <= ord (c) <= ord ('Z')])
if s in all_shorts[i]:
- raise Exception ("Duplicate short value alias", v, s)
- all_shorts[i].append (s)
+ raise Exception ("Duplicate short value alias", v, all_shorts[i][s])
+ all_shorts[i][s] = v
short[i][v] = s
print "#define %s_%s %s_%s %s/* %3d chars; %s */" % \
(what_short[i], s, what[i], v.upper (), \
total = 0
used = 0
+last_block = None
def print_block (block, start, end, data):
- print
- print
- print " /* %s (%04X..%04X) */" % (block, start, end)
+ global total, used, last_block
+ if block and block != last_block:
+ print
+ print
+ print " /* %s */" % block
num = 0
+ assert start % 8 == 0
+ assert (end+1) % 8 == 0
for u in range (start, end+1):
if u % 8 == 0:
print
d = data.get (u, defaults)
sys.stdout.write ("%9s" % ("_(%s,%s)," % (short[0][d[0]], short[1][d[1]])))
- global total, used
total += end - start + 1
used += num
+ if block:
+ last_block = block
uu = data.keys ()
uu.sort ()
-last = -1
+last = -100000
num = 0
offset = 0
starts = []
if u <= last:
continue
block = data[u][2]
- (start, end) = blocks[block]
+
+ start = u//8*8
+ end = start+1
+ while end in uu and block == data[end][2]:
+ end += 1
+ end = (end-1)//8*8 + 7
if start != last + 1:
- if start - last <= 33:
- print_block ("FILLER", last+1, start-1, data)
+ if start - last <= 1+16*3:
+ print_block (None, last+1, start-1, data)
last = start-1
else:
if last >= 0:
offset += ends[-1] - starts[-1]
print
print
- print "#define indic_offset_0x%04x %d" % (start, offset)
+ print "#define indic_offset_0x%04xu %d" % (start, offset)
starts.append (start)
print_block (block, start, end, data)
offset += ends[-1] - starts[-1]
print
print
-print "#define indic_offset_total %d" % offset
-print
occupancy = used * 100. / total
-print "}; /* Table occupancy: %d%% */" % occupancy
+page_bits = 12
+print "}; /* Table items: %d; occupancy: %d%% */" % (offset, occupancy)
print
-print "static INDIC_TABLE_ELEMENT_TYPE"
-print "get_indic_categories (hb_codepoint_t u)"
+print "INDIC_TABLE_ELEMENT_TYPE"
+print "hb_indic_get_categories (hb_codepoint_t u)"
print "{"
-for (start,end) in zip (starts, ends):
- offset = "indic_offset_0x%04x" % start
- print " if (0x%04X <= u && u <= 0x%04X) return indic_table[u - 0x%04X + %s];" % (start, end, start, offset)
-for u,d in singles.items ():
- print " if (unlikely (u == 0x%04X)) return _(%s,%s);" % (u, short[0][d[0]], short[1][d[1]])
+print " switch (u >> %d)" % page_bits
+print " {"
+pages = set([u>>page_bits for u in starts+ends+singles.keys()])
+for p in sorted(pages):
+ print " case 0x%0Xu:" % p
+ for (start,end) in zip (starts, ends):
+ if p not in [start>>page_bits, end>>page_bits]: continue
+ offset = "indic_offset_0x%04xu" % start
+ print " if (hb_in_range (u, 0x%04Xu, 0x%04Xu)) return indic_table[u - 0x%04Xu + %s];" % (start, end, start, offset)
+ for u,d in singles.items ():
+ if p != u>>page_bits: continue
+ print " if (unlikely (u == 0x%04Xu)) return _(%s,%s);" % (u, short[0][d[0]], short[1][d[1]])
+ print " break;"
+ print ""
+print " default:"
+print " break;"
+print " }"
print " return _(x,x);"
print "}"
print
print "#undef %s_%s" % \
(what_short[i], short[i][v])
print
-print "#endif /* HB_OT_SHAPE_COMPLEX_INDIC_TABLE_HH */"
-print
print "/* == End of generated table == */"
# Maintain at least 30% occupancy in the table */
projects / platform / upstream / harfbuzz.git / blobdiff