buildscripts/genheader.py

   1 #!@PYTHON@
   2
   3 # genheader.py -- do headers (like these)
   4 #
   5 # source file of the GNU LilyPond music typesetter
   6 #
   7 # (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   8
   9 import os
  10 import sys
  11 import pwd
  12 import regex
  13 import regsub
  14 import string
  15 import getopt
  16 import time
  17
  18 class My_options:
  19     def __init__(self):
  20         self.commentify = None
  21         self.add_hdr_def = 0
  22         self.classname = ''
  23
  24 my_options = My_options()
  25
  26
  27 def name():
  28         return os.environ['USERNAME']
  29
  30 # field 4 of passwd is also used for finger info (phone no.,  office etc)
  31 #   return pwd.getpwuid(os.getuid())[4]
  32
  33 def c_commentify(str):
  34     return  '/* ' + regsub.gsub('^','  ', str) + '\n */';
  35
  36 def sh_commentify(str):
  37     return regsub.gsub('^', '# ', str)
  38
  39 def tex_commentify(str):
  40     return regsub.gsub('^', '% ', str)
  41
  42 def project_str():
  43     cwd = os.getcwd()
  44     if regex.search('flower', cwd) <> -1:
  45         PROJECT = "the Flower Library"
  46     elif regex.search('mf$', cwd) <> -1:
  47         PROJECT = "the Feta (defintively not an abbreviation for Font-En-Tja) music font"
  48     else:
  49         PROJECT = "the GNU LilyPond music typesetter"
  50     return PROJECT
  51
  52 def head_str(filename):
  53     if my_options.add_hdr_def:
  54         what = "declare "
  55     else:
  56         what=" implement "
  57
  58
  59     mailaddres = ''
  60     try:
  61             mailaddres = '<%s>' % os.environ['MAILADDRESS']
  62     except KeyError:
  63             pass
  64     headstr = '\n%s -- %s\n\nsource file of %s\n\n(c) %d %s %s\n' \
  65               %(filename, what, project_str(),
  66                 time.localtime (time.time ())[0], name(), mailaddres)
  67     return headstr
  68
  69
  70 def c_include(filename):
  71     startdef= filename;
  72     trans = string.maketrans( string.lowercase + '-.', string.uppercase + '__')
  73     startdef = string.translate(filename, trans)
  74
  75
  76     headstr = "\n\n#ifndef %s\n#define %s\n" % (startdef, startdef)
  77     terminatestr = "#endif /* %s */\n"  % (startdef);
  78
  79     return headstr+ '\n\n'+ terminatestr;
  80
  81
  82 def help ():
  83     sys.stdout.write ("Usage: genheader [options] FILENAME\n"
  84                  + "Generate file with header FILENAME\n\n"
  85                  + "Options:\n"
  86                  + "  -h, --header           generate header\n"
  87                  + "  --help                 print this help\n"
  88                  + "  -p, --package=DIR      specify package\n"
  89                       )
  90
  91     sys.exit (0)
  92
  93
  94 (options, files) = getopt.getopt(sys.argv[1:], 'tcshp:', ['class', 'package=', 'help'])
  95
  96 for opt in options:
  97     o = opt[0]
  98     a = opt[1]
  99     if o == '-c':
 100         my_options.commentify = c_commentify
 101     elif o == '-t':
 102         my_options.commentify = tex_commentify
 103     elif o == '-s':
 104         my_options.commentify = sh_commentify
 105     elif o == '-h' or o == '--header':
 106         my_options.add_hdr_def = 1
 107     elif o == '--class':
 108         my_options.classname = a
 109     elif o == '--help':
 110         help ()
 111
 112 # FIXME:  should create xxx.cc and include/xxx.hh, with implement/declare Xxx
 113 # in  one run
 114 if my_options.classname:
 115     pass
 116
 117 def do_file(nm):
 118     s = my_options.commentify(head_str(nm))
 119     if my_options.add_hdr_def:
 120         s = s + c_include(nm)
 121     return s
 122
 123
 124 def extension(ext,nm):
 125     ext = '\\.' + ext
 126     return regex.search(ext, nm) <> -1
 127
 128 def c_extension(nm):
 129     return extension('hh',nm) or extension('cc',nm) \
 130            or extension('icc', nm) or extension('tcc',nm)
 131
 132 def select_commentification(nm):
 133     if c_extension (nm):
 134         return c_commentify
 135     elif extension('py',nm) or extension('pl',nm) or extension('sh',nm):
 136         return  sh_commentify
 137     elif extension('mf',nm) or extension('tex',nm) or extension('ly',nm):
 138         return tex_commentify
 139     else:
 140         sys.stderr.write ('unknown extension for file %s\n' % nm)
 141         raise 'help'
 142
 143 for nm in files:
 144     if extension('hh', nm) or extension('icc', nm) or  extension('tcc', nm):
 145         my_options.add_hdr_def = 1
 146     if my_options.commentify == None:
 147         my_options.commentify = select_commentification(nm)
 148     print do_file(nm)
 149