buildscripts/substitute-encoding.py

   1 #!@PYTHON@
   2 #
   3 # mess up the coding table of PFAemmentaler to work around
   4 # GS bug,
   5 #
   6 # http://bugs.ghostscript.com/show_bug.cgi?id=688017
   7
   8 import getopt
   9 import os
  10 import re
  11 import string
  12 import sys
  13
  14 outdir = 'out'
  15 (options, files) = getopt.getopt (sys.argv[1:], 'o', ['outdir='])
  16 for opt in options:
  17         o = opt[0]
  18         a = opt[1]
  19         if o == '--outdir' or o == '-o':
  20                 outdir = a
  21
  22 filename = files[0]
  23 def get_glyph_names (enc_name):
  24         enc_str = open (enc_name).read ()
  25         glyphs = []
  26         def note_glyph (match):
  27                 nm = match.group (1)
  28                 glyphs.append (nm)
  29
  30
  31         m = re.sub ("(/[a-z.A-Z0-9_]+) %", note_glyph, enc_str )
  32
  33         glyphs = filter (lambda x: None == re.match (r'/\.notdef', x),
  34                          glyphs)
  35         return glyphs
  36
  37 if re.search ('mmental', filename):
  38         glyph_names = (get_glyph_names ('%(outdir)s/feta20.enc' % vars ())
  39                        + get_glyph_names ('%(outdir)s/feta-alphabet20.enc' % vars ())
  40                        + get_glyph_names ('%(outdir)s/parmesan20.enc' % vars ()))
  41
  42         str = open (filename).read ()
  43         os.rename (filename, filename + "~")
  44
  45         glyph_names = glyph_names[:256]
  46
  47         put_glyphs = ''
  48         i = 0
  49         for g in glyph_names:
  50                 put_glyphs += 'dup %d %s put \n' % (i,g)
  51                 i += 1
  52
  53         str = re.sub ('( 0 1 255 { 1 index exch /.notdef put} for)',
  54                       '\\1 \n %s'  % put_glyphs,
  55                       str)
  56         str = re.sub ('StandardEncoding def',
  57                       '256 array\n0 1 255 { 1 index exch /.notdef put} for\n%sreadonly def' % put_glyphs,
  58                       str)
  59
  60         open (filename, 'w').write (str)