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--2004 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  + (long (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] == 'puorg':
  73                         group = ''
  74                 elif tags[0] == 'char':
  75                         name = tags[9]
  76                         if group:
  77                                 name = group + '-' + name
  78                         m = {
  79                                 'description':  tags[1],
  80                                 'name': name,
  81                                 'tex': tags[10],
  82                                 'code': string.atoi (tags[2]),
  83                                 'breapth':string.atof (tags[3]),
  84                                 'width': string.atof (tags[4]),
  85                                 'depth':string.atof (tags[5]),
  86                                 'height':string.atof (tags[6]),
  87                                 'wx': string.atof (tags[7]),
  88                                 'wy':string.atof (tags[8]),
  89                                 }
  90                         charmetrics.append (m)
  91                 elif tags[0] == 'font':
  92                         global font_family
  93                         font_family = (tags[3])
  94                         # To omit 'GNU' (foundry) from font name proper:
  95                         # name = tags[2:]
  96                         #urg
  97                         if 0: #testing
  98                                 tags.append ('Regular')
  99
 100
 101                         encoding = re.sub (' ','-', tags[5])
 102                         tags = tags[:-1]
 103                         name = tags[1:]
 104                         global_info['DesignSize'] = string.atof (tags[4])
 105                         global_info['FontName'] = string.join (name,'-')
 106                         global_info['FullName'] = string.join (name,' ')
 107                         global_info['FamilyName'] = string.join (name[1:-1],
 108                                                                  '-')
 109                         if 1:
 110                                 global_info['Weight'] = tags[4]
 111                         else: #testing
 112                                 global_info['Weight'] = tags[-1]
 113
 114                         global_info['FontBBox'] = '0 0 1000 1000'
 115                         global_info['Ascender'] = '0'
 116                         global_info['Descender'] = '0'
 117                         global_info['EncodingScheme'] = encoding
 118
 119         return (global_info, charmetrics, deps)
 120
 121
 122 def write_afm_char_metric(file, charmetric):
 123
 124         f = 1000;
 125         tup = (charmetric['code'],
 126                 charmetric['name'],
 127                 -charmetric['breapth'] *f,
 128                 -charmetric['depth']*f,
 129                 charmetric['width']*f,
 130                 charmetric['height']*f,
 131                charmetric['wx'] * f,
 132                charmetric['wy'] * f)
 133
 134         file.write ('C %d ; N %s ; B %d %d %d %d ; W %d %d ;\n'% tup)
 135
 136 def write_afm_header (file):
 137         file.write ("StartFontMetrics 2.0\n")
 138         file.write ("Comment Automatically generated by mf-to-table.py\n")
 139
 140 def write_afm_metric (file, global_info, charmetrics):
 141         for (k,v) in global_info.items():
 142                 file.write ("%s %s\n" % (k,v))
 143         file.write ('StartCharMetrics %d\n' % len(charmetrics ))
 144         for m in charmetrics:
 145                 write_afm_char_metric (file,m)
 146         file.write ('EndCharMetrics\n')
 147         file.write ('EndFontMetrics\n')
 148
 149
 150 def write_tex_defs (file, global_info, charmetrics):
 151         ##nm = global_info['FontFamily']
 152         nm = font_family
 153         for m in charmetrics:
 154                 file.write (r'''\gdef\%s%s{\char%d}%%%s''' % (nm, m['tex'], m['code'],'\n'))
 155         file.write ('\\endinput\n')
 156
 157 def write_ps_encoding (name, file, global_info, charmetrics):
 158         encs = ['.notdef'] * 256
 159         for m in charmetrics:
 160                 encs[m['code']] = m['tex']
 161
 162         file.write ('/%s [\n' % name)
 163         for m in range(0,256):
 164                 file.write ('  /%s %% %d\n' % (encs[m], m))
 165         file.write ('] def\n')
 166
 167 def write_fontlist (file, global_info, charmetrics):
 168         ##nm = global_info['FontFamily']
 169         nm = font_family
 170         per_line = 3
 171         file.write (r"""
 172 %% LilyPond file to list all font symbols and the corresponding names
 173 %% Automatically generated by mf-to-table.py
 174 \score{ \new Lyrics \lyrics { \time %d/8
 175 """ % (2*per_line+1))
 176
 177         count = 0
 178         for m in charmetrics:
 179
 180                 count += 1
 181
 182 ## \musicglyph and \markup require "_" to be escaped differently:
 183
 184
 185                 scm_string = re.sub('_', r'_', m['name'])
 186                 tex_string = re.sub ('_', r'\\_' , m['name'])
 187
 188 ## prevent TeX from interpreting "--" as long dash:
 189                 tex_string=re.sub('--','-{}-', tex_string)
 190
 191                 file.write ('  \\markup { \\raise #0.75 \\vcenter \\musicglyph #"%s" " %s" } 4 \n' % (scm_string, tex_string))
 192
 193                 if (count % 3) ==0:
 194                         file.write ('\skip 8  \\break\n')
 195         file.write (r"""
 196 }
 197   \paper{
 198     interscoreline = 1.0
 199     indent = 0.0 \cm
 200     \context {
 201       \Lyrics
 202       \override SeparationItem #'padding = #2
 203       minimumVerticalExtent = ##f
 204     }
 205     \context {
 206         \Score
 207         \remove "Bar_number_engraver"
 208         }
 209         }
 210         }
 211 """)
 212
 213 def write_deps (file, deps, targets):
 214
 215
 216         for t in targets:
 217                 t = re.sub ( '^\\./', '', t)
 218                 file.write ('%s '% t)
 219         file.write (": ")
 220         for d in deps:
 221                 file.write ('%s ' % d)
 222         file.write ('\n')
 223
 224 def help():
 225     sys.stdout.write(r"""Usage: mf-to-table [OPTIONS] LOGFILEs
 226 Generate feta metrics table from preparated feta log.
 227
 228 Options:
 229   -a, --afm=FILE         specify .afm file
 230   -d, --dep=FILE         print dependency info to FILE
 231   -h, --help             print this help
 232   -l, --ly=FILE          name output table
 233   -o, --outdir=DIR       prefix for dependency info
 234   -p, --package=DIR      specify package
 235   -t, --tex=FILE         name output tex chardefs
 236
 237   """
 238 )
 239     sys.exit (0)
 240
 241
 242
 243 (options, files) = getopt.getopt(
 244     sys.argv[1:], 'a:d:hl:o:p:t:',
 245     ['enc=', 'afm=', 'outdir=', 'dep=',  'tex=', 'ly=', 'debug', 'help', 'package='])
 246
 247
 248 enc_nm = ''
 249 texfile_nm = ''
 250 depfile_nm = ''
 251 afmfile_nm = ''
 252 lyfile_nm = ''
 253 outdir_prefix = '.'
 254
 255 for opt in options:
 256         o = opt[0]
 257         a = opt[1]
 258         if o == '--dep' or o == '-d':
 259                 depfile_nm = a
 260         elif o == '--outdir' or o == '-o':
 261                 outdir_prefix = a
 262         elif o == '--tex' or o == '-t':
 263                 texfile_nm = a
 264         elif o == '--enc':
 265                 enc_nm = a
 266         elif o == '--ly' or o == '-l':
 267                 lyfile_nm = a
 268         elif o== '--help' or o == '-h':
 269                 help()
 270         elif o=='--afm' or o == '-a':
 271                 afmfile_nm = a
 272         elif o == '--debug':
 273                 debug_b = 1
 274         elif o == '-p' or o == '--package':
 275                 topdir = a
 276         else:
 277                 print o
 278                 raise getopt.error
 279
 280 base = re.sub ('.tex$', '', texfile_nm)
 281
 282 for filenm in files:
 283         (g, m, deps) = parse_logfile (filenm)
 284         cs = tfm_checksum (re.sub ('.log$', '.tfm', filenm))
 285         afm = open (afmfile_nm, 'w')
 286
 287         write_afm_header (afm)
 288         afm.write ("Comment TfmCheckSum %d\n" % cs)
 289         afm.write ("Comment DesignSize %.2f\n" % g['DesignSize'])
 290
 291         del g['DesignSize']
 292
 293         write_afm_metric (afm, g, m)
 294
 295         write_tex_defs (open (texfile_nm, 'w'), g, m)
 296         enc_name = 'FetaEncoding'
 297         if re.search ('parmesan', filenm) :
 298                 enc_name = 'ParmesanEncoding'
 299         elif re.search ('feta-brace', filenm) :
 300                 enc_name = 'FetaBraceEncoding'
 301
 302         write_ps_encoding (enc_name, open (enc_nm, 'w'), g, m)
 303
 304         if depfile_nm:
 305                 write_deps (open (depfile_nm, 'wb'), deps,
 306                             [base + '.dvi', base + '.pfa', base + '.pfb',
 307                              texfile_nm, afmfile_nm])
 308         if lyfile_nm:
 309                 write_fontlist (open (lyfile_nm, 'w'), g, m)
 310
 311
 312