buildscripts/mf-to-table.py

   1 #!@PYTHON@
   2
   3 # mf-to-table.py -- convert spacing info in  MF logs .afm and .tex
   4 #
   5 # source file of the GNU LilyPond music typesetter
   6 #
   7 # (c) 1997 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   8
   9 import os
  10 import sys
  11 import getopt
  12 import string
  13 import re
  14 import time
  15
  16
  17 postfixes = ['log', 'dvi', '2602gf', 'tfm']
  18
  19 def read_log_file (fn):
  20         str = open (fn).read ()
  21         str = re.sub ('\n', '', str)
  22         str = re.sub ('[\t ]+', ' ', str)
  23
  24         deps = []
  25         autolines = []
  26         def include_func (match, d = deps):
  27                 d.append (match.group (1))
  28                 return ''
  29
  30         def auto_func (match, a = autolines):
  31                 a.append (match.group (1))
  32                 return ''
  33
  34         str = re.sub ('\(([a-zA-Z_0-9-]+\.mf)', include_func, str)
  35         str = re.sub ('@{(.*?)@}', auto_func, str)
  36
  37         return (autolines, deps)
  38
  39
  40
  41 class Char_metric:
  42         def __init__ (self):
  43                 pass
  44
  45
  46 def tfm_checksum (fn):
  47         sys.stderr.write ("Reading checksum from `%s'\n" % fn)
  48         s = open (fn).read ()
  49         s = s[ 12 * 2 : ]
  50         cs_bytes = s[:4]
  51
  52         shift = 24
  53         cs = 0
  54         for b in cs_bytes:
  55                 cs = cs  + (ord (b) << shift)
  56                 shift = shift - 8
  57
  58         return cs
  59
  60 ## ugh.  What's font_family supposed to be?  It's not an afm thing.
  61 font_family = 'feta'
  62 def parse_logfile (fn):
  63         (autolines, deps) = read_log_file (fn)
  64         charmetrics = []
  65         global_info = {}
  66         group = ''
  67
  68         for l in autolines:
  69                 tags = string.split(l, '@:')
  70                 if tags[0] == 'group':
  71                         group = tags[1]
  72                 elif tags[0] == 'char':
  73                         m = {
  74                                 'description':  tags[1],
  75                                 'name': group + '-' + tags[7],
  76                                 'tex': tags[8],
  77                                 'code': string.atoi (tags[2]),
  78                                 'breapth':string.atof (tags[3]),
  79                                 'width': string.atof (tags[4]),
  80                                 'depth':string.atof (tags[5]),
  81                                 'height':string.atof (tags[6])
  82                                 }
  83                         charmetrics.append (m)
  84                 elif tags[0] == 'font':
  85                         global font_family
  86                         font_family = (tags[3])
  87                         # To omit 'GNU' (foundry) from font name proper:
  88                         # name = tags[2:]
  89                         #urg
  90                         if 0: #testing
  91                                 tags.append ('Regular')
  92                         name = tags[1:]
  93                         global_info['FontName'] = string.join (name,'-')
  94                         global_info['FullName'] = string.join (name,' ')
  95                         global_info['FamilyName'] = string.join (name[1:-1],
  96                                                                  '-')
  97                         if 1:
  98                                 global_info['Weight'] = tags[4]
  99                         else: #testing
 100                                 global_info['Weight'] = tags[-1]
 101                         global_info['FontBBox'] = '0 0 1000 1000'
 102                         global_info['Ascender'] = '0'
 103                         global_info['Descender'] = '0'
 104                         global_info['EncodingScheme'] = 'FontSpecific'
 105
 106         return (global_info, charmetrics, deps)
 107
 108
 109 def write_afm_char_metric(file, charmetric):
 110
 111         f = 1000;
 112         tup = (charmetric['code'],
 113                (charmetric['width'] + charmetric['breapth'])*f,
 114                 charmetric['name'],
 115                 -charmetric['breapth'] *f,
 116                 -charmetric['depth']*f,
 117                 charmetric['width']*f,
 118                 charmetric['height']*f)
 119
 120
 121         file.write ('C %d ; WX %d ; N  %s ;  B %d %d %d %d ;\n'% tup)
 122
 123 def write_afm_header (file):
 124         file.write ("StartFontMetrics 2.0\n")
 125         file.write ("Comment Automatically generated by mf-to-table.py\n")
 126
 127 def write_afm_metric (file, global_info, charmetrics):
 128         for (k,v) in global_info.items():
 129                 file.write ("%s %s\n" % (k,v))
 130         file.write ('StartCharMetrics %d\n' % len(charmetrics ))
 131         for m in charmetrics:
 132                 write_afm_char_metric (file,m)
 133         file.write ('EndCharMetrics\n')
 134         file.write ('EndFontMetrics\n')
 135
 136
 137 def write_tex_defs (file, global_info, charmetrics):
 138         ##nm = global_info['FontFamily']
 139         nm = font_family
 140         for m in charmetrics:
 141                 file.write (r'''\gdef\%s%s{\char%d}%%%s''' % (nm, m['tex'], m['code'],'\n'))
 142         file.write ('\\endinput\n')
 143
 144 def write_ps_encoding (file, global_info, charmetrics):
 145         encs = ['.notdef'] * 256
 146         for m in charmetrics:
 147                 encs[m['code']] = m['tex']
 148
 149         file.write ('/FetaEncoding [\n')
 150         for m in range(0,256):
 151                 file.write ('  /%s %% %d\n' % (encs[m], m))
 152         file.write ('] def\n')
 153
 154 def write_fontlist (file, global_info, charmetrics):
 155         ##nm = global_info['FontFamily']
 156         nm = font_family
 157         file.write (r"""
 158 % Lilypond file to list all font symbols and the corresponding names
 159 % Automatically generated by mf-to-table.py
 160 \score{\notes{\fatText
 161 """)
 162         for m in charmetrics:
 163                 escapedname=re.sub('_','\\\\\\\\_', m['name'])
 164                 file.write ('s^\\markup { \\musicglyph #"%s" "%s" }\n' % (m['name'], escapedname))
 165         file.write (r"""
 166 }
 167   \paper{
 168     interscoreline=1
 169     \translator{
 170       \ScoreContext
 171       \remove "Bar_number_engraver"
 172       TextScript \override #'extra-X-extent = #'(-1 . 1)
 173     }
 174     \translator{
 175       \StaffContext
 176       \remove "Clef_engraver"
 177       \remove "Key_engraver"
 178       \remove "Time_signature_engraver"
 179       \remove "Staff_symbol_engraver"
 180       minimumVerticalExtent = ##f
 181     }
 182   }
 183 }
 184 """)
 185
 186 def write_deps (file, deps, targets):
 187
 188
 189         for t in targets:
 190                 t = re.sub ( '^\\./', '', t)
 191                 file.write ('%s '% t)
 192         file.write (": ")
 193         for d in deps:
 194                 file.write ('%s ' % d)
 195         file.write ('\n')
 196
 197 def help():
 198     sys.stdout.write(r"""Usage: mf-to-table [options] LOGFILEs
 199 Generate feta metrics table from preparated feta log\n
 200 Options:
 201   -a, --afm=FILE         .afm file
 202   -d, --dep=FILE         print dependency info to FILE
 203   -h, --help             print this help
 204   -l, --ly=FILE          name output table
 205   -o, --outdir=DIR       prefix for dependency info
 206   -p, --package=DIR      specify package
 207   -t, --tex=FILE         name output tex chardefs"""
 208 )
 209     sys.exit (0)
 210
 211
 212
 213 (options, files) = getopt.getopt(
 214     sys.argv[1:], 'a:d:hl:o:p:t:',
 215     ['enc=', 'afm=', 'outdir=', 'dep=',  'tex=', 'ly=', 'debug', 'help', 'package='])
 216
 217
 218 enc_nm = ''
 219 texfile_nm = ''
 220 depfile_nm = ''
 221 afmfile_nm = ''
 222 lyfile_nm = ''
 223 outdir_prefix = '.'
 224
 225 for opt in options:
 226         o = opt[0]
 227         a = opt[1]
 228         if o == '--dep' or o == '-d':
 229                 depfile_nm = a
 230         elif o == '--outdir' or o == '-o':
 231                 outdir_prefix = a
 232         elif o == '--tex' or o == '-t':
 233                 texfile_nm = a
 234         elif o == '--enc':
 235                 enc_nm = a
 236         elif o == '--ly' or o == '-':
 237                 lyfile_nm = a
 238         elif o== '--help' or o == '-h':
 239                 help()
 240         elif o=='--afm' or o == '-a':
 241                 afmfile_nm = a
 242         elif o == '--debug':
 243                 debug_b = 1
 244         elif o == '-p' or o == '--package':
 245                 topdir = a
 246         else:
 247                 print o
 248                 raise getopt.error
 249
 250 base = re.sub ('.tex$', '', texfile_nm)
 251
 252 for filenm in files:
 253         (g,m, deps) =  parse_logfile (filenm)
 254         cs = tfm_checksum (re.sub ('.log$', '.tfm', filenm))
 255         afm = open (afmfile_nm, 'w')
 256
 257         write_afm_header (afm)
 258         afm.write ("Comment TfmCheckSum %u\n" % cs)
 259         write_afm_metric (afm, g, m)
 260
 261         write_tex_defs (open (texfile_nm, 'w'), g, m)
 262         write_ps_encoding (open (enc_nm, 'w'), g, m)
 263
 264         write_deps (open (depfile_nm, 'wb'), deps, [base + '.dvi', base + '.pfa', base + '.pfb',  texfile_nm, afmfile_nm])
 265         if lyfile_nm != '':
 266                 write_fontlist(open (lyfile_nm, 'w'), g, m)
 267
 268
 269