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Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-0.9.34/src/gen-arabic-table.py')
-rwxr-xr-x | Build/source/libs/harfbuzz/harfbuzz-0.9.34/src/gen-arabic-table.py | 269 |
1 files changed, 0 insertions, 269 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-0.9.34/src/gen-arabic-table.py b/Build/source/libs/harfbuzz/harfbuzz-0.9.34/src/gen-arabic-table.py deleted file mode 100755 index 308435f991e..00000000000 --- a/Build/source/libs/harfbuzz/harfbuzz-0.9.34/src/gen-arabic-table.py +++ /dev/null @@ -1,269 +0,0 @@ -#!/usr/bin/python - -import sys -import os.path - -if len (sys.argv) != 4: - print >>sys.stderr, "usage: ./gen-arabic-table.py ArabicShaping.txt UnicodeData.txt Blocks.txt" - sys.exit (1) - -files = [file (x) for x in sys.argv[1:]] - -headers = [[files[0].readline (), files[0].readline ()], [files[2].readline (), files[2].readline ()]] -headers.append (["UnicodeData.txt does not have a header."]) -while files[0].readline ().find ('##################') < 0: - pass - -blocks = {} -def read_blocks(f): - global blocks - for line in f: - - j = line.find ('#') - if j >= 0: - line = line[:j] - - fields = [x.strip () for x in line.split (';')] - if len (fields) == 1: - continue - - uu = fields[0].split ('..') - start = int (uu[0], 16) - if len (uu) == 1: - end = start - else: - end = int (uu[1], 16) - - t = fields[1] - - for u in range (start, end + 1): - blocks[u] = t - -def print_joining_table(f): - - values = {} - for line in f: - - if line[0] == '#': - continue - - fields = [x.strip () for x in line.split (';')] - if len (fields) == 1: - continue - - u = int (fields[0], 16) - - if fields[3] in ["ALAPH", "DALATH RISH"]: - value = "JOINING_GROUP_" + fields[3].replace(' ', '_') - else: - value = "JOINING_TYPE_" + fields[2] - values[u] = value - - short_value = {} - for value in set([v for v in values.values()] + ['JOINING_TYPE_X']): - short = ''.join(x[0] for x in value.split('_')[2:]) - assert short not in short_value.values() - short_value[value] = short - - print - for value,short in short_value.items(): - print "#define %s %s" % (short, value) - - uu = sorted(values.keys()) - num = len(values) - all_blocks = set([blocks[u] for u in uu]) - - last = -100000 - ranges = [] - for u in uu: - if u - last <= 1+16*5: - ranges[-1][-1] = u - else: - ranges.append([u,u]) - last = u - - print - print "static const uint8_t joining_table[] =" - print "{" - last_block = None - offset = 0 - for start,end in ranges: - - print - print "#define joining_offset_0x%04xu %d" % (start, offset) - - for u in range(start, end+1): - - block = blocks.get(u, last_block) - value = values.get(u, "JOINING_TYPE_X") - - if block != last_block or u == start: - if u != start: - print - if block in all_blocks: - print "\n /* %s */" % block - else: - print "\n /* FILLER */" - last_block = block - if u % 32 != 0: - print - print " /* %04X */" % (u//32*32), " " * (u % 32), - - if u % 32 == 0: - print - print " /* %04X */ " % u, - sys.stdout.write("%s," % short_value[value]) - print - - offset += end - start + 1 - print - occupancy = num * 100. / offset - print "}; /* Table items: %d; occupancy: %d%% */" % (offset, occupancy) - print - - page_bits = 12; - print - print "static unsigned int" - print "joining_type (hb_codepoint_t u)" - print "{" - print " switch (u >> %d)" % page_bits - print " {" - pages = set([u>>page_bits for u in [s for s,e in ranges]+[e for s,e in ranges]]) - for p in sorted(pages): - print " case 0x%0Xu:" % p - for (start,end) in ranges: - if p not in [start>>page_bits, end>>page_bits]: continue - offset = "joining_offset_0x%04xu" % start - print " if (hb_in_range (u, 0x%04Xu, 0x%04Xu)) return joining_table[u - 0x%04Xu + %s];" % (start, end, start, offset) - print " break;" - print "" - print " default:" - print " break;" - print " }" - print " return X;" - print "}" - print - for value,short in short_value.items(): - print "#undef %s" % (short) - print - -def print_shaping_table(f): - - shapes = {} - ligatures = {} - names = {} - for line in f: - - fields = [x.strip () for x in line.split (';')] - if fields[5][0:1] != '<': - continue - - items = fields[5].split (' ') - shape, items = items[0][1:-1], tuple (int (x, 16) for x in items[1:]) - - if not shape in ['initial', 'medial', 'isolated', 'final']: - continue - - c = int (fields[0], 16) - if len (items) != 1: - # We only care about lam-alef ligatures - if len (items) != 2 or items[0] != 0x0644 or items[1] not in [0x0622, 0x0623, 0x0625, 0x0627]: - continue - - # Save ligature - names[c] = fields[1] - if items not in ligatures: - ligatures[items] = {} - ligatures[items][shape] = c - pass - else: - # Save shape - if items[0] not in names: - names[items[0]] = fields[1] - else: - names[items[0]] = os.path.commonprefix ([names[items[0]], fields[1]]).strip () - if items[0] not in shapes: - shapes[items[0]] = {} - shapes[items[0]][shape] = c - - print - print "static const uint16_t shaping_table[][4] =" - print "{" - - keys = shapes.keys () - min_u, max_u = min (keys), max (keys) - for u in range (min_u, max_u + 1): - s = [shapes[u][shape] if u in shapes and shape in shapes[u] else 0 - for shape in ['initial', 'medial', 'final', 'isolated']] - value = ', '.join ("0x%04Xu" % c for c in s) - print " {%s}, /* U+%04X %s */" % (value, u, names[u] if u in names else "") - - print "};" - print - print "#define SHAPING_TABLE_FIRST 0x%04Xu" % min_u - print "#define SHAPING_TABLE_LAST 0x%04Xu" % max_u - print - - ligas = {} - for pair in ligatures.keys (): - for shape in ligatures[pair]: - c = ligatures[pair][shape] - if shape == 'isolated': - liga = (shapes[pair[0]]['initial'], shapes[pair[1]]['final']) - elif shape == 'final': - liga = (shapes[pair[0]]['medial'], shapes[pair[1]]['final']) - else: - raise Exception ("Unexpected shape", shape) - if liga[0] not in ligas: - ligas[liga[0]] = [] - ligas[liga[0]].append ((liga[1], c)) - max_i = max (len (ligas[l]) for l in ligas) - print - print "static const struct ligature_set_t {" - print " uint16_t first;" - print " struct ligature_pairs_t {" - print " uint16_t second;" - print " uint16_t ligature;" - print " } ligatures[%d];" % max_i - print "} ligature_table[] =" - print "{" - keys = ligas.keys () - keys.sort () - for first in keys: - - print " { 0x%04Xu, {" % (first) - for liga in ligas[first]: - print " { 0x%04Xu, 0x%04Xu }, /* %s */" % (liga[0], liga[1], names[liga[1]]) - print " }}," - - print "};" - print - - - -print "/* == Start of generated table == */" -print "/*" -print " * The following table is generated by running:" -print " *" -print " * ./gen-arabic-table.py ArabicShaping.txt UnicodeData.txt Blocks.txt" -print " *" -print " * on files with these headers:" -print " *" -for h in headers: - for l in h: - print " * %s" % (l.strip()) -print " */" -print -print "#ifndef HB_OT_SHAPE_COMPLEX_ARABIC_TABLE_HH" -print "#define HB_OT_SHAPE_COMPLEX_ARABIC_TABLE_HH" -print - -read_blocks (files[2]) -print_joining_table (files[0]) -print_shaping_table (files[1]) - -print -print "#endif /* HB_OT_SHAPE_COMPLEX_ARABIC_TABLE_HH */" -print -print "/* == End of generated table == */" - |