1  #!/usr/bin/env python3
       2  
       3  """usage: ./gen-emoji-table.py emoji-data.txt emoji-test.txt
       4  
       5  Input file:
       6  * https://www.unicode.org/Public/UCD/latest/ucd/emoji/emoji-data.txt
       7  * https://www.unicode.org/Public/emoji/latest/emoji-test.txt
       8  """
       9  
      10  import sys
      11  from collections import OrderedDict
      12  import packTab
      13  
      14  if len (sys.argv) != 3:
      15  	sys.exit (__doc__)
      16  
      17  f = open(sys.argv[1])
      18  header = [f.readline () for _ in range(10)]
      19  
      20  ranges = OrderedDict()
      21  for line in f.readlines():
      22  	line = line.strip()
      23  	if not line or line[0] == '#':
      24  		continue
      25  	rang, typ = [s.strip() for s in line.split('#')[0].split(';')[:2]]
      26  
      27  	rang = [int(s, 16) for s in rang.split('..')]
      28  	if len(rang) > 1:
      29  		start, end = rang
      30  	else:
      31  		start = end = rang[0]
      32  
      33  	if typ not in ranges:
      34  		ranges[typ] = []
      35  	if ranges[typ] and ranges[typ][-1][1] == start - 1:
      36  		ranges[typ][-1] = (ranges[typ][-1][0], end)
      37  	else:
      38  		ranges[typ].append((start, end))
      39  
      40  
      41  
      42  print ("/* == Start of generated table == */")
      43  print ("/*")
      44  print (" * The following tables are generated by running:")
      45  print (" *")
      46  print (" *   ./gen-emoji-table.py emoji-data.txt")
      47  print (" *")
      48  print (" * on file with this header:")
      49  print (" *")
      50  for l in header:
      51  	print (" * %s" % (l.strip()))
      52  print (" */")
      53  print ()
      54  print ("#ifndef HB_UNICODE_EMOJI_TABLE_HH")
      55  print ("#define HB_UNICODE_EMOJI_TABLE_HH")
      56  print ()
      57  print ('#include "hb-unicode.hh"')
      58  print ()
      59  
      60  for typ, s in ranges.items():
      61  	if typ != "Extended_Pictographic": continue
      62  
      63  	arr = dict()
      64  	for start,end in s:
      65  		for i in range(start, end + 1):
      66  			arr[i] = 1
      67  
      68  	sol = packTab.pack_table(arr, 0, compression=9)
      69  	code = packTab.Code('_hb_emoji')
      70  	sol.genCode(code, 'is_'+typ)
      71  	code.print_c(linkage='static inline')
      72  	print()
      73  
      74  print ()
      75  print ("#endif /* HB_UNICODE_EMOJI_TABLE_HH */")
      76  print ()
      77  print ("/* == End of generated table == */")
      78  
      79  
      80  # Generate test file.
      81  sequences = []
      82  with open(sys.argv[2]) as f:
      83      for line in f.readlines():
      84          if "#" in line:
      85              line = line[:line.index("#")]
      86          if ";" in line:
      87              line = line[:line.index(";")]
      88          line = line.strip()
      89          line = line.split(" ")
      90          if len(line) < 2:
      91              continue
      92          sequences.append(line)
      93  
      94  with open("../test/shape/data/in-house/tests/emoji-clusters.tests", "w") as f:
      95      for sequence in sequences:
      96          f.write("../fonts/AdobeBlank2.ttf;--no-glyph-names --no-positions --font-funcs=ot")
      97          f.write(";" + ",".join(sequence))
      98          f.write(";[" + "|".join("1=0" for c in sequence) + "]\n")