lily/main.cc

   1 /*
   2   main.cc -- implement main: entrypoints
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9 #include <stdlib.h>
  10 #include <iostream.h>
  11 #include <assert.h>
  12 #include <locale.h>
  13
  14 #include "lily-guile.hh"
  15 #include "lily-version.hh"
  16
  17 #include "all-font-metrics.hh"
  18 #include "getopt-long.hh"
  19 #include "misc.hh"
  20 #include "string.hh"
  21 #include "main.hh"
  22 #include "file-path.hh"
  23 #include "config.h"
  24 #include "file-results.hh"
  25 #include "debug.hh"
  26 #include "lily-guile.hh"
  27 #include "paper-def.hh"
  28 #include "midi-def.hh"
  29 #include "global-ctor.hh"
  30
  31 #if HAVE_GETTEXT
  32 #include <libintl.h>
  33 #endif
  34
  35 extern "C" {
  36 #include <kpathsea/kpathsea.h>
  37 }
  38
  39 bool verbose_global_b = false;
  40 bool no_paper_global_b = false;
  41 bool no_timestamps_global_b = false;
  42 bool find_old_relative_b = false;
  43
  44 char const* output_global_ch = "tex";
  45 All_font_metrics *all_fonts_global_p;
  46
  47 String default_outname_base_global =  "lelie";
  48 String outname_str_global;
  49 String init_str_global;
  50
  51 int default_count_global;
  52 File_path global_path;
  53
  54 bool safe_global_b = false;
  55 bool experimental_features_global_b = false;
  56 bool dependency_global_b = false;
  57
  58 int exit_status_i_;
  59
  60 Getopt_long * oparser_global_p = 0;
  61
  62 String distill_inname_str (String name_str, String& ext_r);
  63
  64 /*
  65  Internationalisation kludge in two steps:
  66    * use _i () to get entry in POT file
  67    * call gettext () explicitely for actual "translation"
  68
  69  Note: these messages all start with lower case (ie, don't
  70        follow regular localisation guidelines).
  71  */
  72 Long_option_init theopts[] = {
  73   {0, "debug", 'd',  _i ("enable debugging output")},
  74   {_i ("EXT"), "output-format", 'f',  _i ("use output format EXT (scm, ps, tex or as)")},
  75   {0, "help", 'h',  _i ("this help")},
  76   {_i ("DIR"), "include", 'I',  _i ("add DIR to search path")},
  77   {_i ("FILE"), "init", 'i',  _i ("use FILE as init file")},
  78   {0, "dependencies", 'M',  _i ("write Makefile dependencies for every input file")},
  79   {0, "no-paper", 'm',  _i ("produce MIDI output only")},
  80   {_i ("BASENAME"), "output", 'o',  _i ("write output to BASENAME[-x].extension")},
  81   {0, "find-old-relative", 'Q',  _i ("show all changes in relative syntax")},
  82   {0, "safe", 's',  _i ("inhibit file output naming and exporting")},
  83   {0, "no-timestamps", 'T',  _i ("don't timestamp the output")},
  84   {0, "test", 't',  _i ("switch on experimental features")},
  85   {0, "version", 'v',  _i ("print version number")},
  86   {0, "verbose", 'V', _i("verbose")},
  87   {0, "warranty", 'w',  _i ("show warranty and copyright")},
  88   {0,0,0, 0}
  89 };
  90
  91 void
  92 identify (ostream* os)
  93 {
  94   *os << gnu_lilypond_version_str () << endl;
  95 }
  96
  97 void
  98 usage ()
  99 {
 100   identify (&cout);
 101   cout << "\n";
 102   cout << _f ("Usage: %s [OPTION]... [FILE]...", "lilypond");
 103   cout << "\n\n";
 104   cout << _ ("Typeset music and or play MIDI from FILE");
 105   cout << "\n\n";
 106   cout <<
 107 _(
 108 "LilyPond is a music typesetter.  It produces beautiful sheet music\n"
 109 "using a high level description file as input.  LilyPond is part of \n"
 110 "the GNU Project.\n"
 111 );
 112
 113   cout << '\n';
 114   cout << _ ("Options:");
 115   cout << '\n';
 116   cout << Long_option_init::table_str (theopts);
 117   cout << '\n';
 118   cout << _ ("This binary was compiled with the following options:")
 119     << " " <<
 120 #ifdef NDEBUG
 121     "NDEBUG "
 122 #endif
 123 #ifdef NPRINT
 124     "NPRINT "
 125 #endif
 126 #ifdef STRING_UTILS_INLINED
 127     "STRING_UTILS_INLINED "
 128 #endif
 129     "\n"
 130     "datadir: `" DIR_DATADIR "'\n"
 131     "localedir: `" DIR_LOCALEDIR "'\n"
 132     "\n";
 133
 134
 135   cout << endl;
 136
 137   cout << _f ("Report bugs to %s", "bug-gnu-music@gnu.org") << endl;
 138 }
 139
 140 void
 141 version ()
 142 {
 143   identify (&cout);
 144   cout << '\n';
 145   cout << _f (""
 146   "This is free software.  It is covered by the GNU General Public License,\n"
 147   "and you are welcome to change it and/or distribute copies of it under\n"
 148   "certain conditions.  Invoke as `%s --warranty' for more information.\n",
 149     "lilypond");
 150   cout << endl;
 151
 152   cout << _f ("Copyright (c) %s by", "1996--2000");
 153   cout << "Han-Wen Nienhuys <hanwen@cs.uu.nl>\n"
 154        << "Jan Nieuwenhuizen <janneke@gnu.org>\n";
 155 }
 156
 157 void
 158 notice ()
 159 {
 160   cout << '\n';
 161   // GNU GNU?
 162   cout << _ ("GNU LilyPond -- The GNU Project music typesetter");
 163   cout << '\n';
 164   cout << _f ("Copyright (c) %s by", "1996--2000");
 165   cout << '\n';
 166   cout << "  Han-Wen Nienhuys <hanwen@cs.uu.nl>\n";
 167   cout << "  Jan Nieuwenhuizen <janneke@gnu.org>\n";
 168   cout << '\n';
 169   cout << _ (
 170              "    This program is free software; you can redistribute it and/or\n"
 171              "modify it under the terms of the GNU General Public License version 2\n"
 172              "as published by the Free Software Foundation.\n"
 173              "\n"
 174              "    This program is distributed in the hope that it will be useful,\n"
 175              "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
 176              "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU\n"
 177              "General Public License for more details.\n"
 178              "\n"
 179              "    You should have received a copy (refer to the file COPYING) of the\n"
 180              "GNU General Public License along with this program; if not, write to\n"
 181              "the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,\n"
 182              "USA.\n");
 183 }
 184
 185 void
 186 setup_paths ()
 187 {
 188   // facilitate binary distributions
 189   char const *env_lily = getenv ("LILYPONDPREFIX");
 190   String prefix_directory;
 191   if (env_lily)
 192     prefix_directory = env_lily;
 193
 194 #if HAVE_GETTEXT
 195   setlocale (LC_ALL, ""); /* enable locales */
 196   setlocale (LC_NUMERIC, "C"); /* musn't have comma's in TeX output... */
 197   String lily_locale_dir;
 198   String name (PACKAGE);
 199   name.to_lower ();
 200
 201   /*
 202     urg; what *do* we want with $LILYPONDPREFIX, DIR_DATADIR and $prefix/share
 203     handy for multiple source-dir runs, though...
 204    */
 205   if (!prefix_directory.empty_b())
 206     {
 207       lily_locale_dir = prefix_directory + "/share/locale";
 208       bindtextdomain (name.ch_C (), lily_locale_dir.ch_C());
 209     }
 210   else
 211     bindtextdomain (name.ch_C (), DIR_LOCALEDIR);
 212   textdomain (name.ch_C ());
 213 #endif
 214
 215   global_path.add ("");
 216   // must override (come before) "/usr/local/share/lilypond"!
 217   char const *env_sz = getenv ("LILYINCLUDE");
 218   if (env_sz)
 219     global_path.parse_path (env_sz);
 220
 221
 222   /*
 223     Should use kpathsea, this is getting out of hand.
 224    */
 225   char *suffixes[] = {"ly", "afm", "scm", "tfm", "ps", 0};
 226   String prefix = prefix_directory;
 227   if (prefix.empty_b ()) prefix =  DIR_DATADIR;
 228   for (char **s = suffixes; *s; s++)
 229     {
 230       String p =  prefix + to_str ('/') + String (*s);
 231
 232       global_path.add (p);
 233     }
 234 }
 235
 236
 237 void
 238 main_prog (int, char**)
 239 {
 240   /*
 241     need to do this first. Engravers use lily.scm contents.
 242    */
 243   init_lily_guile ();
 244   read_lily_scm_file ("lily.scm");
 245   cout << endl;
 246
 247   call_constructors ();
 248   default_outname_base_global = "lelie";
 249   all_fonts_global_p = new All_font_metrics (global_path.str ());
 250
 251   int p=0;
 252   const char *arg ;
 253   while ((arg= oparser_global_p->get_next_arg ()))
 254     {
 255
 256       if (outname_str_global == "")
 257         {
 258           Midi_def::reset_default_count ();
 259           Paper_def::reset_default_count ();
 260         }
 261       String f (arg);
 262       String i;
 263       f = distill_inname_str (f, i);
 264       if (f == "-")
 265         default_outname_base_global = "-";
 266       else
 267         {
 268           String a,b,c,d;
 269           split_path (f, a, b, c, d);
 270           default_outname_base_global = c;
 271         }
 272       if (outname_str_global.length_i ())
 273         default_outname_base_global = outname_str_global;
 274       if (init_str_global.length_i ())
 275         i = init_str_global;
 276       else
 277         i = "init" + i;
 278       do_one_file (i, f);
 279       p++;
 280     }
 281   if (!p)
 282     {
 283       String i;
 284       if (init_str_global.length_i ())
 285         i = init_str_global;
 286       else
 287         i = "init.ly";
 288       default_outname_base_global = "-";
 289       if (outname_str_global.length_i ())
 290         default_outname_base_global = outname_str_global;
 291       do_one_file (i, default_outname_base_global);
 292     }
 293   delete oparser_global_p;
 294   exit( exit_status_i_);
 295 }
 296
 297
 298 int
 299 main (int argc, char **argv)
 300 {
 301   debug_init ();                // should be first
 302   setup_paths ();
 303
 304   /*
 305     prepare guile for heavy mem usage.
 306    */
 307   setenv ("GUILE_INIT_SEGMENT_SIZE_1", "4194304", 0);
 308   setenv ("GUILE_MAX_SEGMENT_SIZE", "8388608", 0);
 309
 310   /*
 311    initialize kpathsea
 312    */
 313   kpse_set_program_name(argv[0], NULL);
 314   kpse_maketex_option("tfm", TRUE);
 315
 316   oparser_global_p = new Getopt_long(argc, argv,theopts);
 317   while (Long_option_init const * opt = (*oparser_global_p)())
 318     {
 319       switch (opt->shortname_ch_)
 320         {
 321         case 'v':
 322           version();
 323           exit (0);             // we print a version anyway.
 324           break;
 325         case 't':
 326           experimental_features_global_b = true;
 327           progress_indication ("*** enabling experimental features, you're on your own now ***\n");
 328           break;
 329         case 'o':
 330           outname_str_global = oparser_global_p->optional_argument_ch_C_;
 331           break;
 332         case 'w':
 333           notice ();
 334           exit (0);
 335           break;
 336         case 'f':
 337           output_global_ch = oparser_global_p->optional_argument_ch_C_;
 338           break;
 339         case 'Q':
 340           find_old_relative_b= true;
 341           break;
 342         case 'I':
 343           global_path.push (oparser_global_p->optional_argument_ch_C_);
 344           break;
 345         case 'i':
 346           init_str_global = oparser_global_p->optional_argument_ch_C_;
 347           break;
 348         case 'h':
 349           usage ();
 350           exit (0);
 351           break;
 352         case 'V':
 353           verbose_global_b = true;
 354           break;
 355         case 's':
 356           safe_global_b = true;
 357           break;
 358         case 'M':
 359           dependency_global_b = true;
 360           break;
 361         case 'd':
 362           set_debug (true);
 363           break;
 364         case 'm':
 365           no_paper_global_b = true;
 366           break;
 367         case 'T':
 368           no_timestamps_global_b = true;
 369           break;
 370         default:
 371           assert (false);
 372           break;
 373         }
 374     }
 375   identify (&cerr);
 376
 377 #ifdef WINNT
 378   gh_enter (argc, argv, main_prog);
 379 #else
 380   gh_enter (argc, argv, (void(*)(...))main_prog);
 381 #endif
 382
 383   return 0;                     // unreachable
 384 }
 385
 386 /**
 387   make input file name from command arg.
 388
 389   @input file name
 390
 391   @output file name with added default extension. "" is stdin.
 392           in reference argument: the extension. ".ly" if none
 393  */
 394 String
 395 distill_inname_str (String name_str, String& ext_r)
 396 {
 397   String str = name_str;
 398   if (str.length_i ())
 399     {
 400       if (str != "-")
 401         {
 402           String a,b,c;
 403           split_path (str,a,b,c,ext_r);
 404
 405           // add extension if not present.
 406           char const* extensions[] = {"", ".ly", ".fly", ".sly", "", 0};
 407           extensions[0] = ext_r.ch_C ();
 408           for (int i = 0; extensions[i]; i++)
 409             {
 410               if (!global_path.find (a+b+c+extensions[i]).empty_b ())
 411                 {
 412                   ext_r = extensions[i];
 413                   break;
 414                 }
 415             }
 416           str = a+b+c+ext_r;
 417           // in any case, assume (init).ly
 418           if (!ext_r.length_i ())
 419             ext_r = ".ly";
 420         }
 421     }
 422   else
 423     {
 424       str = "-";
 425       ext_r = ".ly";
 426     }
 427   return str;
 428 }
 429