lily/music-output-def.cc

   1 /*
   2   music-output-def.cc -- implement Music_output_def
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9 #include "scm-hash.hh"
  10
  11 #include "dictionary.hh"
  12 #include "warn.hh"
  13 #include "music-output-def.hh"
  14 #include "global-translator.hh"
  15 #include "translator-def.hh"
  16 #include "main.hh"
  17 #include "file-path.hh"
  18 #include "lily-guile.hh"
  19
  20 #include "ly-smobs.icc"
  21
  22 int
  23 Music_output_def::get_next_score_count () const
  24 {
  25   return 0;
  26 }
  27
  28 Music_output_def::Music_output_def ()
  29 {
  30   style_sheet_ = SCM_EOL;
  31   scaled_fonts_ = SCM_EOL;
  32
  33   variable_tab_ = new Scheme_hash_table;
  34   translator_tab_ = new Scheme_hash_table;
  35
  36   smobify_self ();
  37   scm_gc_unprotect_object (variable_tab_->self_scm ());
  38   scm_gc_unprotect_object (translator_tab_->self_scm ());
  39 }
  40
  41 Music_output_def::~Music_output_def ()
  42 {
  43 }
  44
  45 Music_output_def::Music_output_def (Music_output_def const &s)
  46 {
  47   variable_tab_ = new Scheme_hash_table (*s.variable_tab_);
  48   translator_tab_ = new Scheme_hash_table (*s.translator_tab_);
  49
  50   style_sheet_ = SCM_EOL;
  51   scaled_fonts_ = SCM_EOL;
  52
  53   smobify_self ();
  54   scm_gc_unprotect_object (variable_tab_->self_scm ());
  55   scm_gc_unprotect_object (translator_tab_->self_scm ());
  56
  57   style_sheet_ = scm_list_copy (s.style_sheet_);
  58   scaled_fonts_ = scm_list_copy (s.scaled_fonts_);
  59 }
  60
  61
  62 IMPLEMENT_SMOBS (Music_output_def);
  63
  64 IMPLEMENT_DEFAULT_EQUAL_P (Music_output_def);
  65
  66 SCM
  67 Music_output_def::mark_smob (SCM m)
  68 {
  69   Music_output_def * mo = (Music_output_def*) SCM_CELL_WORD_1 (m);
  70   scm_gc_mark (mo->style_sheet_);
  71   scm_gc_mark (mo->translator_tab_->self_scm ());
  72   scm_gc_mark (mo->variable_tab_->self_scm ());
  73
  74   return mo->scaled_fonts_;
  75 }
  76
  77 void
  78 Music_output_def::assign_translator (SCM transdef)
  79 {
  80   Translator_def *tp = unsmob_translator_def (transdef);
  81   assert (tp);
  82
  83
  84   SCM s = ly_symbol2scm ("");
  85   if (gh_string_p (tp->type_name_))
  86     s = scm_string_to_symbol (tp->type_name_);
  87
  88   translator_tab_->set (s, transdef);
  89 }
  90
  91 /*
  92   find the translator for NAME. NAME may be a string or a symbol.
  93  */
  94 SCM
  95 Music_output_def::find_translator (SCM name) const
  96 {
  97   if (gh_string_p (name))
  98     name = scm_string_to_symbol (name);
  99
 100   SCM val  =SCM_EOL;
 101   translator_tab_->try_retrieve (name, &val);
 102   return val;
 103 }
 104
 105
 106 Global_translator *
 107 Music_output_def::get_global_translator ()
 108 {
 109   SCM key = ly_symbol2scm ("Score");
 110   Translator_def * t = unsmob_translator_def (find_translator (key));
 111
 112   if (!t)
 113     error (_f ("can't find `%s' context", "Score"));
 114
 115   Translator_group * tg = t->instantiate (this);
 116
 117   tg->initialize ();
 118
 119   return dynamic_cast <Global_translator *> (tg);
 120 }
 121
 122 int
 123 Music_output_def::print_smob (SCM s, SCM p, scm_print_state *)
 124 {
 125   Music_output_def * def = unsmob_music_output_def (s);
 126   scm_puts ("#<Music_output_def ", p);
 127 #if 0
 128   scm_write (def->type_name_, p);
 129 #else
 130   (void) def;
 131 #endif
 132   scm_puts (">", p);
 133   return 1;
 134 }
 135
 136 /*
 137   ugh: should move into Music_output_def (complication: .midi and .tex
 138   need separate counts.)  */
 139 String
 140 Music_output_def::outname_string ()
 141 {
 142   String out = output_name_global;
 143   int def = get_next_score_count ();
 144   if (def && out != "-")
 145     {
 146       Path p = split_path (out);
 147       p.base += "-" + to_string (def);
 148       out = p.string ();
 149     }
 150   return out;
 151 }