src/gen-def.py

   1 #!/usr/bin/env python3
   2
   3 "usage: gen-def.py harfbuzz.def hb.h [hb-blob.h hb-buffer.h ...]"
   4
   5 import os, re, sys
   6
   7 if len (sys.argv) < 3:
   8         sys.exit(__doc__)
   9
  10 output_file = sys.argv[1]
  11 header_paths = sys.argv[2:]
  12
  13 headers_content = []
  14 for h in header_paths:
  15         if h.endswith (".h"):
  16                 with open (h, encoding='utf-8') as f: headers_content.append (f.read ())
  17
  18 symbols = sorted (re.findall (r"^hb_\w+(?= \()", "\n".join (headers_content), re.M))
  19 if '--experimental-api' not in sys.argv:
  20         # Move these to harfbuzz-sections.txt when got stable
  21         experimental_symbols = \
  22 """hb_font_draw_glyph
  23 hb_draw_funcs_t
  24 hb_draw_close_path_func_t
  25 hb_draw_cubic_to_func_t
  26 hb_draw_line_to_func_t
  27 hb_draw_move_to_func_t
  28 hb_draw_quadratic_to_func_t
  29 hb_draw_funcs_create
  30 hb_draw_funcs_destroy
  31 hb_draw_funcs_is_immutable
  32 hb_draw_funcs_make_immutable
  33 hb_draw_funcs_reference
  34 hb_draw_funcs_set_close_path_func
  35 hb_draw_funcs_set_cubic_to_func
  36 hb_draw_funcs_set_line_to_func
  37 hb_draw_funcs_set_move_to_func
  38 hb_draw_funcs_set_quadratic_to_func
  39 hb_font_get_var_coords_design
  40 hb_ot_layout_closure_lookups
  41 hb_ot_layout_closure_features""".splitlines ()
  42         symbols = [x for x in symbols if x not in experimental_symbols]
  43 symbols = "\n".join (symbols)
  44
  45 result = symbols if os.environ.get('PLAIN_LIST', '') else """EXPORTS
  46 %s
  47 LIBRARY lib%s-0.dll""" % (symbols, output_file.replace ('src/', '').replace ('.def', ''))
  48
  49 with open (output_file, "w") as f: f.write (result)